1 2006-11-11 Jan Hubicka <jh@suse.cz>
3 * predict.c (predict_loops): Kill RTL variant.
5 2006-11-11 Jan Hubicka <jh@suse.cz>
7 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
8 * modulo-sched.c (find_line_note): Remove.
9 (loop_canon_p): Do not worry about line number notes.
10 (sms_schedule): Likewise.
11 * cse.c (cse_main): Likewise.
12 * regmove.c (fixup_match_1): Likewise
13 * function.c (emit_return_info_block): Likewise.
14 (expand_function_end): Likewise.
15 (thread_prologue_an_epilogue_insns): Likewise.
16 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
18 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
19 emit_note_copy_after): Kill.
20 (emit_note_copy): Do not worry about line numbers.
21 * jump.c (purge_line_number_notes): Kill.
22 (pass_purge_lineno_notes): Kill.
23 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
25 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
26 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
27 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
28 * tree-pass.h (pass_purge_lineno_notes): Kill.
29 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
30 rm_redundant_line_notes.
31 * sched-rgb.c (schedule_region): Don't rm_line_notes,
32 rm_redundant_line_notes.
33 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
34 * haifa-sched.c: Update comment about handling notes.
35 (unlink_line_notes): Kill.
36 (rm_line_notes): Kill.
37 (save_line_notes): Simplify.
38 (rm_redundant_line_notes): Kill.
40 2006-11-11 Richard Guenther <rguenther@suse.de>
42 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
43 Remove unused tree codes.
44 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
45 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
46 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
47 * tree.c (stabilize_reference): Likewise.
48 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
49 fold_unary): Likewise.
50 * tree-gimple.c (is_gimple_cast): Likewise.
51 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
52 * expr.c (expand_expr_real_1): Likewise.
53 * tree-eh.c (tree_could_trap_p): Likewise.
54 * gimplify.c (gimplify_expr): Likewise.
55 * tree-inline.c (estimate_num_insns_1): Likewise.
56 * tree-cfg.c (verify_expr): Likewise.
58 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
60 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
61 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
62 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
64 2006-11-11 Richard Sandiford <richard@codesourcery.com>
67 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
68 constraints accept neither registers or memories.
70 2006-11-11 Jie Zhang <jie.zhang@analog.com>
72 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
73 (NO_PROFILE_COUNTERS): Define as 1.
75 2006-11-10 Roger Sayle <roger@eyesopen.com>
77 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
78 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
80 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
82 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
84 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
86 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
87 (fold_builtin_hypot): Likewise.
88 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
90 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
92 2006-11-10 Roger Sayle <roger@eyesopen.com>
94 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
95 when attempting to build INTEGER_CSTs of non-integral types.
96 * expmed.c (make_tree): Use the correct type, i.e. the inner
97 type, when constructing the individual elements of a CONST_VECTOR.
99 2006-11-10 Jan Hubicka <jh@suse.cz>
101 * cse.c (cse_process_notes): Copy the propagated value.
102 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
104 * gcse.c (try_replace_reg): Copy the replacement.
105 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
106 (assign_386_stack_local): Always return copied memory expression
107 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
110 2006-11-10 Jan Hubicka <jh@suse.cz>
112 * final.c (final): Walk from first instruction.
113 * cfglayout.c (insn_locators_initialize): Remove line number notes.
115 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
118 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
120 (umulv8hi3_highpart): Ditto.
121 (vec_widen_smult_hi_v8hi): New expander.
122 (vec_widen_smult_lo_v8hi): Ditto.
124 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
126 * builtins.c (do_mpfr_arg3): New.
127 (fold_builtin_1): Handle builtins fma, fmin and fmax.
129 2006-11-09 Eric Christopher <echristo@apple.com>
134 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
135 * config.gcc (powerpc64-*-darwin*): New target.
136 * config.host: Ditto.
137 * config/rs6000/darwin64.h: New file.
138 * config/rs6000/x-darwin64: Ditto.
139 * config/rs6000/host-ppc64-darwin.c: Ditto.
141 2006-11-09 Steve Ellcey <sje@cup.hp.com>
143 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
144 routines for integer division.
146 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
148 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
150 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
153 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
155 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
157 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
158 simplify_subreg with BLKmode outer mode.
160 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
162 * doc/invoke.texi: Minor formatting fixes in option lists.
164 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
166 PR tree-optimization/29738
167 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
168 (ccp_lattice_t): Remove UNKNOWN_VAL.
169 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
170 Do not handle UNKNOWN_VAL.
171 (get_default_value): Set initial value of virtual operands to
173 (get_value): Always use get_default_value on uninitialized
175 (set_value_varying, surely_varying_stmt_p): New functions.
176 (set_lattice_value): Do not pass argument to get_value.
177 Do not handle UNKNOWN_VAL.
178 (likely_value): Follow the semantics described in the comment.
179 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
180 phi nodes DONT_SIMULATE_AGAIN.
181 (ccp_fold): Do not pass argument to get_value.
182 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
185 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
187 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
188 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
190 2006-11-08 Roger Sayle <roger@eyesopen.com>
192 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
193 test for inclusion rather than as a test for exclusion.
194 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
195 the condition after calling fold_binary.
196 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
197 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
198 * builtins.c (fold_builtin_isascii): Likewise.
199 (fold_builtin_isdigit): Likewise.
201 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
203 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
204 * configure: Regenerate.
206 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
208 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
209 enum argument instead of bool.
210 (vect_analyze_operations): Call vectorizable_type_promotion.
211 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
212 stmt_vec_info_type value.
213 (supportable_widening_operation, vectorizable_type_promotion): New
214 function declarations.
215 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
216 (vectorizable_type_promotion): New function.
217 (vect_transform_stmt): Call vectorizable_type_promotion.
218 * tree-vect-analyze.c (supportable_widening_operation): New function.
219 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
221 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
224 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
225 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
226 * tree-inline.c (estimate_num_insns_1): Add cases for above new
228 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
229 * expr.c (expand_expr_real_1): Likewise.
230 * optabs.c (optab_for_tree_code): Likewise.
231 (init_optabs): Initialize new optabs.
232 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
233 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
234 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
235 vec_unpacku_lo_optab): Initialize new optabs.
236 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
237 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
238 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
240 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
241 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
242 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
243 (vec_unpacku_lo_optab): New optabs.
244 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
245 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
246 (vec_widen_smult_hi, vec_widen_smult_lo): New.
247 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
248 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
249 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
251 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
252 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
253 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
254 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
255 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
256 implement the unsigned unpacking patterns.
257 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
258 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
259 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
260 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
261 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
262 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
263 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
264 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
265 multiplication patterns.
267 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
268 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
269 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
270 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
271 (rs6000_builtin_mul_widen_odd): New.
272 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
273 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
274 * tree-vectorizer.h (enum vect_relevant): New enum type.
275 (_stmt_vec_info): Field relevant chaned from bool to enum
277 (STMT_VINFO_RELEVANT_P): Updated.
278 (STMT_VINFO_RELEVANT): New.
279 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
280 instead of STMT_VINFO_RELEVANT_P.
281 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
282 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
283 and boolean variable with enum vect_relevant.
284 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
285 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
286 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
288 2006-11-08 Richard Henderson <rth@redhat.com>
290 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
291 vec_widen_umult_lo_v8hi): New.
292 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
293 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
295 * config/i386/i386.c (ix86_expand_sse_unpack): New.
296 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
297 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
298 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
299 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
300 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
301 vec_unpacks_lo_v4si): New.
303 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
305 * tree-vect-transform.c (vectorizable_type_demotion): New function.
306 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
307 (vect_analyze_operations): Call vectorizable_type_demotion.
308 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
309 stmt_vec_info_type value.
310 (vectorizable_type_demotion): New function declaration.
311 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
314 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
315 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
317 * tree-iniline.c (estimate_num_insns_1): Likewise.
318 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
319 * optabs.c (optab_for_tree_code): Likewise.
321 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
322 compared against the predicate of the result is not 'mode' (the input
323 to the function) but a mode with half the size of 'mode'.
324 (init_optab): Initialize new optabs.
325 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
327 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
329 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
330 (vec_pack_usat_optab): Initialize new optabs.
331 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
332 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
334 2006-11-08 Richard Henderson <rth@redehat.com>
336 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
337 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
338 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
339 (vec_interleave_highv4si, vec_interleave_lowv4si):
340 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
342 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
344 * tree-vect-transform.c (vectorizable_reduction): Support multiple
346 (vect_transform_stmt): Removed redundant code.
348 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
350 * tree-vect-transform.c (vectorizable_operation): Support multiple
353 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
355 * tree-vect-transform.c (vect_align_data_ref): Removed.
356 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
357 Updated function documentation. Return the increment stmt in ptr_incr.
358 (bump_vector_ptr): New function.
359 (vect_get_vec_def_for_stmt_copy): New function.
360 (vect_finish_stmt_generation): Create a stmt_info to newly created
362 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
364 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
365 VF is greater than the number of elements that can fit in one vector
367 (vectorizable_operation, vectorizable_condition): Likewise.
368 (vectorizable_store, vectorizable_load): Support the case that the VF
369 is greater than the number of elements that can fit in one vector word.
370 (vect_transform_loop): Don't fail in case of multiple data-types.
371 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
372 in case of multiple data-types; the smallest type determines the VF.
373 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
374 if they are of different sizes.
375 (vect_update_misalignment_for_peel): Compare misalignments in terms of
376 number of elements rather than number of bytes.
377 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
378 (vect_can_advance_ivs_p): Fix a dump printout
380 2006-11-07 Eric Christopher <echristo@apple.com>
382 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
384 * libgcc2.h: Remove transformation of bswap routines.
385 * config/i386/i386.md (bswapsi2): New.
388 2006-11-07 Jakub Jelinek <jakub@redhat.com>
390 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
391 (handle_gnu_inline_attribute): New function.
392 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
393 (merge_decls, start_decl, start_function): Likewise.
394 * doc/extend.texi: Document gnu_inline attribute.
396 2006-11-07 Steve Ellcey <sje@cup.hp.com>
399 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
400 _fixunstfdi, and _floatditf
402 2006-11-06 Anatoly Sokolov <aesok@post.ru>
404 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
406 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
407 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
408 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
409 which start in an odd register.
411 2006-11-07 Richard Sandiford <richard@codesourcery.com>
413 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
415 2006-11-07 Josh Conner <jconner@apple.com>
417 * doc/invoke.texi (fstrict-aliasing): Move implementation
419 * doc/tree-ssa.texi (Alias analysis): ...here.
421 2006-11-07 Richard Guenther <rguenther@suse.de>
423 PR tree-optimization/29610
424 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
425 of tree_purge_dead_eh_edges as it may free dominators.
427 * g++.dg/other/pr29610.C: New testcase.
429 2006-11-07 David Ung <davidu@mips.com>
431 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
432 costs when optimizing for size.
433 (override_options): Use mips_rtx_cost_optimize_size table for cost
436 2006-11-07 Jie Zhang <jie.zhang@analog.com>
438 * gcc.c (process_command): Treat -b as normal switch if its argument
441 2006-11-07 David Ung <davidu@mips.com>
443 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
446 2006-11-06 Eric Christopher <echristo@apple.com>
448 * config.gcc: Add x86_64-darwin host support.
449 * config.host: Ditto.
450 * config/i386/darwin64.h: New file.
451 * config/i386/t-darwin64: Ditto.
453 2006-11-06 Janis Johnson <janis187@us.ibm.com>
455 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
456 and output-exists-not.
458 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
461 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
462 checking for overflow.
464 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
466 * configure.ac: Fixed typo in case statement: :: changed to ;;
468 2006-11-06 Bob Wilson <bob.wilson@acm.org>
470 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
471 count_leading_zeros, and count_trailing_zeros.
472 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
473 (TARGET_FOLD_BUILTIN): Define.
474 (TARGET_EXPAND_BUILTIN): Define.
475 (xtensa_init_builtins): New.
476 (xtensa_fold_builtin): New.
477 (xtensa_expand_builtin): New.
478 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
479 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
480 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
481 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
482 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
483 (any_extend): New code macro.
484 (u, su): New code attributes.
485 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
486 (nsau): Remove; replaced by clzsi2.
487 (ffssi2): Use clzsi2.
488 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
489 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
490 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
491 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
492 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
494 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
496 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
498 * config/arm/t-strongarm-elf: Likewise.
499 * config/arm/t-pe: Likewise.
500 * config/arm/t-arm-elf: Likewise.
501 * config/arm/t-xscale-elf: Likewise.
502 * config/arm/t-arm-coff: Likewise.
503 * config/arm/t-xscale-coff: Likewise.
504 * config/arm/t-wince-pe: Likewise.
506 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
508 * config/sh/lib1funcs-4-300.asm: Guard entire file with
511 2006-11-05 Jakub Jelinek <jakub@redhat.com>
514 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
517 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
520 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
521 as a valid 80387 constant.
522 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
523 * config/i386/i386.md (unnamed splitter): Split the load of
524 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
527 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
529 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
530 from the soft-frame, argument and virtual registers.
532 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
534 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
535 patterns for standard 80387 constants.
537 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
538 Steven Bosscher <steven@gcc.gnu.org>
540 * fwprop.c: New file.
541 * Makefile.in: Add fwprop.o.
542 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
543 * passes.c (init_optimization_passes): Schedule forward propagation.
544 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
546 * timevar.def (TV_FWPROP): New.
547 * common.opt (-fforward-propagate): New.
548 * opts.c (decode_options): Enable forward propagation at -O2.
549 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
550 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
551 canon_for_address, table_size): Remove.
552 (new_basic_block, insert, remove_from_table): Remove references to
554 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
555 simplification loop more straightforward by not calling fold_rtx
557 (equiv_constant): Move here a small part of fold_rtx_subreg,
558 do not call fold_rtx. Call avoid_constant_pool_reference
560 * recog.h (canonicalize_change_group): New.
562 * doc/invoke.texi (Optimization Options): Document fwprop.
563 * doc/passes.texi (RTL passes): Document fwprop.
565 2006-11-03 Geoffrey Keating <geoffk@apple.com>
567 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
568 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
569 (grokdeclarator): Likewise.
571 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
573 * tree-dump.c (dump_enable_all): Rename local variable
574 ir_type to avoid name conflicts.
575 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
576 instead of using ir_type().
577 * profile.c (tree_register_profile_hooks): Likewise.
578 * value-prof.c (tree_register_value_prof_hooks): Likewise.
579 * basic-block.h (struct edge_def): Likewise.
580 * config/arm/arm.c (legitimize_pic_address): Likewise.
581 * coretypes.h (ir_type): New enum of all intermediate languages
583 * cfghooks.c (ir_type): Rename to...
584 (current_ir_type): ...this. Distinguish between cfgrtl and
585 cfglayout mode when the current IR is RTL. Return enum ir_type.
586 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
588 2006-11-03 Paul Brook <paul@codesourcery.com>
590 * config/arm/arm.c (arm_file_start): New function.
591 (TARGET_ASM_FILE_START): Define.
592 (arm_default_cpu): New variable.
593 (arm_override_options): Set arm_default_cpu.
595 2006-11-03 David Ung <davidu@mips.com>
597 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
598 PROCESSOR_24KC and PROCESSOR_24KF.
599 * config/mips/mips.c (mips_cpu_info_table): Add processor names
600 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
601 (mips_rtx_cost_data): Add costs for the 24kc.
602 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
603 * config/mips/24k.md: Remove references to 24k and replace with
604 uses of 24kc/24kf in the appropriate reservations.
605 * doc/invoke.texi (MIPS Options): Updated.
607 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
609 * config/sh/crt1.asm: Fix #ifdef indent.
611 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
612 Merged from STMicroelectronics sources:
613 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
614 * config/sh/crt1.asm (vbr_600): Add missing #if.
615 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
616 * sh.opt (mfused-madd): New option.
617 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
618 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
619 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
620 Remove pointless handler at VBR+0.
621 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
622 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
623 fr7. Make sure the timer handler is called with the correct FPU
624 precision setting, according to the ABI.
625 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
626 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
627 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
628 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
629 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
630 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
631 zero as second operand.
632 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
633 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
634 Fixed some bugs related to negative values, in particular -0
635 and overflow at -0x80000000.
636 * config/sh/divcost-analysis: Added sh4-300 figures.
637 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
638 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
639 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
640 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
641 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
642 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
644 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
646 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
647 SH4-300 scheduling description & fixes to SH4-[12]00 description:
648 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
649 mac_mem, mem_mac, dfp_mul, fp_cmp.
650 (insn_class, dfp_comp, any_fp_comp): Update.
651 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
652 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
653 (muldf3_i): Likewise.
654 (movsi_i): Split rI08 alternative into two separate alternatives.
656 (movsi_ie, movsi_i_lowpart): Likewise.
657 (movqi_i): Split ri alternative into two separate alternatives.
659 * sh1.md (sh1_load_store, sh1_fp): Update.
660 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
661 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
662 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
663 (sh4a_fp_double_arith): Likewise.
664 * sh4-300.md: New file.
665 * sh.c (sh_handle_option): Handle m4-300* options.
666 (sh_adjust_cost): Fix latency of auto-increments.
667 Handle SH4-300 differently than other SH4s. Check for new insn types.
668 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
669 been set by an option.
670 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
671 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
672 (mbranch-cost=): Likewise.
673 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
675 * sh.md (mulsf3): Remove special expansion code.
676 (mulsf3_ie): Now a define_insn_and_split.
677 (macsf3): Allow for TARGET_SH4.
679 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
680 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
681 (expand_cbranchdi4): Likewise.
682 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
683 CONST_DOUBLE if the outer code is COMPARE.
684 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
685 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
686 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
687 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
688 Remove redundant fp_{zero,one}_operand checks.
689 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
690 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
691 (expand_cbranchdi4): Likewise.
692 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
693 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
695 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
697 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
700 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
702 * doc/invoke.texi: Fix mfp-trap-mode typo.
704 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
706 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
707 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
708 file_end_indicate_exec_stack.
709 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
711 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
712 for a non-executable stack.
713 * crti.asm: Likewise.
714 * crtn.asm: Likewise.
715 * libunwind.S: Likewise.
717 2006-11-02 Ben Elliston <bje@au.ibm.com>
719 * tree-ssa.c (warn_uninit): Use expand_location variables for
720 locus and declaration locus.
722 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
725 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
726 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
727 cmp{eq,gt,gtu}{si,di}_media.
728 (*cmpne0si_media): Remove.
729 (*movsicc_umin): Adjust gen_cmp*_media call.
730 (unordered): Change the mode of unordered and operands[1] to
732 (seq): Adjust gen_cmp*_media calls. Make the mode of
733 a temporary result of compare SImode if needed. If the mode
734 of operands[0] is DImode, extend the temporary result to DImode.
735 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
736 (sunorderd): Change the mode of match_operand and unorderd to
738 (cmpeq{sf,df}_media): Remove.
739 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
740 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
741 and compare operation to SImode.
743 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
745 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
747 (sparc64-sun-solaris2*): Likewise.
749 2006-11-02 Paul Brook <paul@codesourcery.com>
751 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
752 from priority argument. Use different section for non-default
754 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
756 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
759 * except.c (switch_to_exception_section): Do not cache the section
760 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
761 and flag_function_sections is set.
763 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
766 * builtins.c (do_mpfr_sincos): New.
767 (fold_builtin_1): Use it to fold builtin sincos.
769 2006-11-01 Roger Sayle <roger@eyesopen.com>
771 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
772 it into -D_REENTRANT.
774 2006-11-01 Roger Sayle <roger@eyesopen.com>
776 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
777 whether the assembler supports taking the difference of symbols in
778 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
779 * configure: Regenerate.
780 * config.in: Regenerate.
781 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
782 the assembler doesn't support taking the difference of symbols in
783 different sections, i.e. we're using the native solaris assembler.
785 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
786 Peter Bergner <bergner@vnet.ibm.com>
788 * doc/invoke.texi: Add cpu_type power6x
789 (RS/6000 and PowerPC Options): Add -mmfpgpr.
790 * config.gcc: Add cpu_type power6x.
791 * configure.ac: Add test for mf{t,f}gpr instructions.
792 (HAVE_AS_MFPGPR): New.
793 * config.in: Regenerate.
794 * configure: Regenerate.
795 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
796 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
797 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
798 and mftgpr attributes.
799 (define_attr "cpu"): Add power6.
800 Change instruction sequences to use new attributes.
801 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
802 (fix_truncdfsi2_mfpgpr): New.
803 (floatsidf_ppc64_mfpgpr): New.
804 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
805 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
806 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
807 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
808 (fix_truncdfsi2): Use gpc_reg_operand constraint.
809 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
810 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
811 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
812 cntlz,exts and var_delayed_compare.
813 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
814 _ARCH_PWR6X, if features enabled.
815 * config/rs6000/rs6000.opt (mmfpgpr): New.
816 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
817 (cached_can_issue_more): New variable.
818 (processor_costs): Add power6_cost.
819 (rs6000_sched_init): New function.
820 (is_dispatch_slot_restricted): Deleted.
821 (set_to_load_agen): New function.
822 (is_load_insn,is_store_insn): New functions.
823 (adjacent_mem_locations): New function.
824 (insn_must_be_first_in_group): New function.
825 (insn_must_be_last_in_group): New function.
826 (rs6000_sched_reorder): New function.
827 (rs6000_sched_reorder2): New function.
828 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
829 TARGET_SCHED_REORDER2): Define.
830 (processor_target_table): Use PROCESSOR_POWER6 for power6.
831 Add power6x. Add MASK_MFPGPR for power6x.
832 (POWERPC_MASKS): Add MASK_MFPGPR.
833 (rs6000_override_options): Set rs6000_always_hint to false
834 for power6. Set rs6000_align_branch_targets. Replace
835 rs6000_sched_groups check with rs6000_align_branch_targets.
836 Use PROCESSOR_POWER6.
837 (last_scheduled_insn): New variable.
838 (load_store_pendulum): New variable.
839 (rs6000_variable_issue): Set last_scheduled_insn and
840 cached_can_issue_more.
841 (rs6000_adjust_cost): Add power6 cost adjustments.
842 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
843 with insn_must_be_first_in_group. Add power6 priority adjustments.
844 (rs6000_issue_rate): Add CPU_POWER6.
845 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
846 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
847 (TARGET_MFPGPR): New.
848 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
849 (ASM_CPU_SPEC): Add power6x.
850 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
852 * config/rs6000/power6.md: New file.
854 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
856 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
857 HOST_WIDE_INT_PRINT to print high and low parts. Use
858 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
859 printing a hexadecimal number prefix it with 0x.
861 2006-11-01 Chris Johns <chris@contemporary.net.au>
864 * Makefile.in (install-driver): Use exeext when installing
865 $target-gcc-$version.
867 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
869 * c-common.c (flag_cpp0x): New.
870 * c-common.h (flag_cpp0x): New.
871 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
872 supported, define __GXX_EXPERIMENTAL_CPP0X__.
873 * c-opts.c (set_std_cxx0x): New.
874 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
875 * c.opt (std=c++0x): Document.
876 (std=gnu++0x): Ditto.
877 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
878 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
880 2006-11-01 Richard Guenther <rguenther@suse.de>
882 * config/i386/i386.c (ix86_expand_rint): Fix issues with
884 (ix86_expand_floorceildf_32): Likewise.
885 (ix86_expand_floorceil): Likewise.
886 (ix86_expand_trunc): Likewise.
888 2006-10-31 Andrew Pinski <pinskia@gmail.com>
890 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
893 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
895 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
897 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
899 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
901 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
902 * configure.ac (use_cxa_atexit): As a special case, don't test
903 for libc definition of __cxa_atexit on mingw32
904 * configure: Regenerate.
905 * config.gcc (i[34567]86-pc-mingw32): Default to
906 enable__cxa_atexit=yes.
908 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
910 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
912 2006-10-31 Geoffrey Keating <geoffk@apple.com>
915 * c-decl.c (start_struct): Don't create self-containing
917 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
919 * config/rs6000/rs6000-protos.h
920 (darwin_rs6000_special_round_type_align): New.
921 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
922 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
924 2006-10-31 Geoffrey Keating <geoffk@apple.com>
926 * toplev.c (compile_file): Call final_write_globals
927 even if there have been errors.
929 2006-10-31 Eric Christopher <echristo@apple.com>
930 Falk Hueffner <falk@debian.org>
932 * doc/extend.texi (__builtin_bswap32): Document.
933 (__builtin_bswap64): Ditto.
934 * doc/libgcc.texi (bswapsi2): Document.
936 * doc/rtl.texi (bswap): Document.
937 * optabs.c (expand_unop): Don't widen a bswap.
938 (init_optabs): Init bswap. Set libfuncs explicitly
939 for bswapsi2 and bswapdi2.
940 * optabs.h (OTI_bswap): New.
941 (bswap_optab): Ditto.
942 * genopinit.c (optabs): Handle bswap_optab.
943 * tree.h (tree_index): Add TI_UINT32_TYPE and
945 (uint32_type_node): New.
946 (uint64_type_node): Ditto.
947 * tree.c (build_common_tree_nodes_2): Initialize
948 uint32_type_node and uint64_type_node.
949 * builtins.c (expand_builtin_bswap): New.
950 (expand_builtin): Call.
951 (fold_builtin_bswap): New.
952 (fold_builtin_1): Call.
953 * fold-const.c (tree_expr_nonnegative_p): Return true
955 * builtin-types.def (BT_UINT32): New.
957 (BT_FN_UINT32_UINT32): Ditto.
958 (BT_FN_UINT64_UINT64): Ditto.
959 * builtins.def (BUILT_IN_BSWAP32): New.
960 (BUILT_IN_BSWAP64): Ditto.
961 * rtl.def (BSWAP): New.
962 * genattrtab.c (check_attr_value): New.
963 * libgcc2.c (__bswapSI2): New.
965 * libgcc2.h (__bswapSI2): Declare.
967 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
968 * simplify-rtx.c (simplify_const_unary_operation): Return
970 * libgcc-std.ver (__bwapsi2): Add.
972 * reload1.c (eliminate_regs_1): Add bswap.
973 (elimination_effects): Ditto.
974 * config/i386/i386.h (x86_bswap): New.
976 * config/i386/i386.c (x86_bswap): Set.
978 2006-10-31 Geoffrey Keating <geoffk@apple.com>
980 * coverage.c (coverage_checksum_string): Update comment.
981 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
982 of get_file_function_name.
983 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
984 of get_file_function_name_long.
985 * tree.c (get_file_function_name): Rename from
986 get_file_function_name_long; improve comment; handle 'I' and 'D'
987 specially when the target has ctor/dtor support; remove special
989 (get_file_function_name): Remove.
990 * tree.h (get_file_function_name): Rename from
991 get_file_function_name_long.
992 (get_file_function_name): Remove prototype.
994 2006-10-31 Geoffrey Keating <geoffk@apple.com>
996 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
997 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
999 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1000 Call dsymutil when compiling and linking one or more source files
1003 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1006 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1008 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1010 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1011 inline static functions in c99 mode.
1014 * doc/extend.texi (Inline): Update.
1015 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1016 * c-decl.c (current_extern_inline): Delete.
1017 (pop_scope): Adjust test for an undefined nested function.
1018 Add warning about undeclared inline function.
1019 (diagnose_mismatched_decls): Update comments. Disallow overriding
1020 of inline functions in a translation unit in C99. Allow inline
1021 declarations in C99 at any time.
1022 (merge_decls): Boolize variables. Handle C99 'extern inline'
1024 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1025 C99 inline semantics.
1026 (start_function): Don't clear current_extern_inline. Don't set
1028 (c_push_function_context): Don't push current_extern_inline.
1029 (c_pop_function_context): Don't restore current_extern_inline.
1032 * c-typeck.c (build_external_ref): Warn about static variables
1033 used in extern inline functions.
1034 * c-decl.c (start_decl): Warn about static variables declared
1035 in extern inline functions.
1037 2006-10-31 Roger Sayle <roger@eyesopen.com>
1040 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1041 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1042 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1043 or y is an even integer.
1045 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1048 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1049 * gthr-posix95.h (__gthread_active_p): Likewise.
1051 2006-10-31 Richard Guenther <rguenther@suse.de>
1053 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1054 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1055 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1056 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1057 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1058 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1059 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1060 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1063 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1065 * opts.c (decode_options): Disable CSE skip blocks.
1067 2006-10-30 Dirk Mueller <dmueller@suse.de>
1069 * c-common.h (strict_aliasing_warning): Fix whitespace.
1070 * c-decl (start_function): Move code for main decl warning ..
1071 * c-common.c (check_main_parameter_types): .. here.
1072 * c-common.h (check_main_parameter_types): Declare.
1074 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1077 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1079 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1081 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1082 be a PARALLEL containing sets. Return false when out_pat is not
1085 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1087 * config/mips/mips.md (mul<mode>3): Split into...
1088 (mulsi3, muldi3): ...these separate patterns.
1090 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1092 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1093 but with each set of options separated by spaces.
1095 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1097 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1098 dwarf_reg_size_table has been initialized.
1100 2006-10-30 Roger Sayle <roger@eyesopen.com>
1102 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1103 * ddg.c (print_ddg_edge): Likewise.
1104 * dwarf2out.c (prune_unused_types_walk): Likewise.
1105 * ifcvt.c (noce_try_cmove_arith): Likewise.
1106 * langhooks.c (add_builtin_function): Likewise.
1107 * reg-stack.c (subst_stack_regs_pat): Likewise.
1108 * tree.c (expanded_location): Likewise.
1109 * tree-dump.c (dequeue_and_dump): Likewise.
1111 2006-10-30 David Daney <ddaney@avtrex.com>
1113 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1115 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1117 PR tree-optimization/29637
1118 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1119 of the innertype is the innertype itself.
1121 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1123 * dwarf2out.c (file_name_acquire): Correct typo.
1125 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1127 * tree.h (tree_value_handle): Remove struct value_set declaration.
1128 Change value_set to bitmap_set.
1129 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1130 * tree-vn.c (get_value_handle): Made inline and moved to
1132 * tree-flow-inline.h: (has_stmt_ann): New function.
1133 * tree-ssa-pre.c (expressions): New variable.
1134 (next_expression_id): Ditto.
1135 (alloc_expression_id): New function.
1136 (struct value_set): Remove.
1137 (get_expression_id): New function.
1138 (get_or_alloc_expression_id): Ditto.
1139 (expression_for_id): Ditto.
1140 (clear_expression_ids): Ditto.
1141 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1142 (bb_value_sets): Renamed to bb_bitmap_sets.
1143 All value sets replaced with bitmap_sets.
1145 (BB_VISITED): New macro.
1146 (postorder): New variable.
1147 (add_to_value): Removed.
1148 (value_exists_in_set_bitmap): Ditto.
1149 (value_insert_into_set_bitmap): Ditto.
1152 (set_remove): Ditto.
1153 (set_contains_value): Ditto.
1154 (insert_into_set): Ditto.
1156 (find_leader): Ditto.
1157 (bitmap_set_subtract_from_value_set): Ditto.
1158 (value_insert_into_set): Ditto.
1159 (print_value_set): Ditto.
1160 (debug_value_set): Ditto.
1161 (constant_expr_p): New function.
1162 (bitmap_remove_from_set): Ditto.
1163 (bitmap_insert_into_set): Ditto.
1164 (bitmap_set_free): Ditto.
1165 (vh_compare): Ditto.
1166 (sorted_array_from_bitmap_set): Ditto.
1167 (bitmap_set_subtract): Ditto.
1168 (bitmap_set_equal): Ditto.
1169 (debug_bitmap_set): Ditto.
1170 (find_leader_in_sets): Ditto.
1171 (bitmap_set_replace_value): Modify for bitmapped sets.
1172 (phi_translate): Ditto.
1173 (phi_translate_set): Ditto.
1174 (bitmap_find_leader): Ditto.
1175 (valid_in_sets): Ditto.
1176 (union_contains_value): Ditto.
1178 (compute_antic_aux): Ditto. Mark changed blocks.
1179 (compute_antic): Ditto. Iterate in postorder and only over
1181 (compute_rvuse_and_antic_safe): Reuse postorder.
1182 (create_component_ref_by_pieces): Modify for bitmapped sets.
1183 (find_or_generate_expression): Ditto.
1184 (create_expression_by_pieces): Ditto.
1185 (insert_into_preds_of_block): Ditto.
1186 (changed_blocks): New variable.
1187 (do_regular_insertion): Broken out from insert_aux.
1188 (insert_aux): Modified for bitmapped sets.
1189 (find_existing_value_expr): New function.
1190 (create_value_expr_from): Use it.
1191 (insert_extra_phis): Removed.
1192 (print_bitmap_set): Renamed from bitmap_print_value_set.
1193 (compute_avail): Handle RETURN_EXPR.
1194 (init_pre): Modify for bitmapped sets.
1195 * tree-flow.h (has_stmt_ann): New function.
1197 2006-10-29 Roger Sayle <roger@eyesopen.com>
1199 * builtins.c (fold_builtin_floor): Check for the availability of
1200 the C99 trunc function before transforming floor into trunc.
1202 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1204 * builtins.c (fold_builtin_hypot): Rearrange recursive
1205 transformation before others, and also do ABS_EXPR. When
1206 necessary, check flag_unsafe_math_optimizations. When necessary,
1209 2006-10-29 Roger Sayle <roger@eyesopen.com>
1211 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1212 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1213 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1214 Fold -X eq/ne -Y as X eq/ne Y.
1216 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1218 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1219 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1220 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1221 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1222 Use an inclusive test for "mult" rather than "mul".
1223 (rotr<mode>3): Depend on ISA_HAS_ROR.
1224 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1226 (GENERATE_MULT3_DI): Delete.
1227 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1228 (ISA_HAS_MUL3): New macro.
1229 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1230 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1231 (ISA_HAS_CLZ_CLO): Likewise.
1232 (ISA_HAS_DCLZ_DCLO): Delete.
1233 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1234 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1235 the VR4120 and VR4130.
1236 (ISA_HAS_MACCHI): Use consistent formatting.
1237 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1238 (ISA_HAS_ROR): ...this new macro.
1239 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1240 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1241 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1243 2006-10-29 Roger Sayle <roger@eyesopen.com>
1245 PR tree-optimization/15458
1246 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1249 2006-10-29 Richard Guenther <rguenther@suse.de>
1251 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1252 (ix86_expand_truncdf_32): Likewise.
1253 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1254 trunc inline for SSE math and -fno-trapping-math and if not
1255 optimizing for size.
1256 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1257 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1258 for expanding btrunc inline for SSE math.
1260 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1262 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1263 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1264 i[34567]86-*-solaris2.1[0-9]*.
1265 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1266 Define conditionally depending on TARGET_64BIT_DEFAULT.
1267 (SPEC_32, SPEC_64): Define.
1268 (LINK_SPEC): Use them.
1269 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1271 2006-10-29 Richard Guenther <rguenther@suse.de>
1273 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1274 (ix86_expand_rounddf_32): Likewise.
1275 * config/i386/i386.c (ix86_expand_round): New function expanding
1276 round inline for SSE math and -fno-trapping-math and if not
1277 optimizing for size.
1278 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1279 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1280 round via ix86_expand_round.
1282 2006-10-29 Richard Guenther <rguenther@suse.de>
1284 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1285 (ix86_expand_floorceildf_32): Likewise.
1286 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1287 static helper function.
1288 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1290 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1291 * config/i386/i386.md (floordf2): Adjust to enable floor
1292 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1293 -fno-trapping-math is enabled and if not optimizing for size.
1294 (floorsf2, ceildf2, ceilsf2): Likewise.
1295 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1296 (sse2_maskcmpdf3): Likewise.
1298 2006-10-29 Richard Guenther <rguenther@suse.de>
1300 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1301 rint in case -fno-trapping-math is enabled.
1302 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1303 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1304 (ix86_expand_sse_fabs): Likewise.
1305 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1306 * config/i386/i386.md (rintdf2): Enable for SSE math if
1307 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1308 (rintsf2): Likewise.
1310 2006-10-29 Richard Guenther <rguenther@suse.de>
1312 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1313 to conversion optabs.
1314 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1315 as conversion optab.
1316 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1317 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1318 (lfloor_optab, lceil_optab): Adjust defines.
1319 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1320 lfloor and lceil optabs now being conversion optabs.
1321 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1322 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1323 New static helper function.
1324 (ix86_expand_lfloorceil): New function to expand lfloor and
1326 * config/i386/i386.md (lfloor<mode>2): Split into ...
1327 (lfloorxf<mode>2): ... x87 variant
1328 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1329 using ix86_expand_lfloorceil.
1330 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1332 * doc/md.texi (lfloorMN, lceilMN): Document.
1334 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1336 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1337 -mno-shared assembler option on mips targets.
1338 * configure, config.in: Regenerate.
1339 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1340 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1341 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1343 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1345 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1346 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1348 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1350 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1351 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1354 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1357 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1358 (fold_builtin_pow): Evaluate constant arguments at compile-time
1360 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1361 (do_mpfr_ckconv): New helper function.
1362 (do_mpfr_arg1): Use do_mpfr_ckconv.
1363 (do_mpfr_arg2): New.
1365 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1368 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1369 (-fdump-rtl-sched): Rename to ..
1370 (-fdump-rtl-sched1): here. Also fix file extension number.
1372 2006-10-28 Richard Guenther <rguenther@suse.de>
1374 * fold-const.c (maybe_canonicalize_comparison): Fix code
1377 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1379 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1380 (NON_QI_REG_P): Use IN_RANGE.
1381 (REX_INT_REGNO_P): Use IN_RANGE.
1382 (FP_REGNO_P): Use IN_RANGE.
1383 (SSE_REGNO_P): Use IN_RANGE.
1384 (REX_SSE_REGNO_P): Use IN_RANGE.
1385 (MMX_REGNO_P): Use IN_RANGE.
1386 (STACK_REGNO_P): New macro.
1387 (STACK_REG_P): Use STACK_REGNO_P.
1388 (NON_STACK_REG_P): Use STACK_REGNO_P.
1389 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1390 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1391 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1392 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1393 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1395 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1397 * except.h (output_function_exception_table): Add 'const char*' param.
1398 * except.c (switch_to_exception_section): Add 'const char*' param.
1399 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1400 and flag_function_sections is set, use a function-specific section.
1401 (output_function_exception_table): Add 'const char*' param.
1402 Adjust call to switch_to_exception_section.
1403 * final.c (rest_of_handle_final): Adjust calls to
1404 output_function_exception_table.
1405 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1406 * config.in: Regenerate.
1407 * configure: Likewise.
1409 2006-10-28 Richard Guenther <rguenther@suse.de>
1412 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1413 for maybe_canonicalize_comparison.
1414 (maybe_canonicalize_comparison): New function for canonicalizing
1416 (fold_comparison): Call it to canonicalize comparisons with
1419 2006-10-28 Richard Guenther <rguenther@suse.de>
1422 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1423 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1424 (expand_builtin): Adjust likewise.
1425 * genopinit.c (optabs[]): Add lround optab.
1426 * optabs.c (init_optabs): Initialize lround_optab.
1427 * optabs.h (enum convert_optab_index): Add COI_lround.
1428 (lround_optab): Define.
1429 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1430 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1432 (ix86_expand_lround): New function.
1433 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1435 * doc/md.texi (lroundMN2): Document.
1437 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1440 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1441 argument to HOST_WIDE_INT. Update function prototype.
1442 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1443 "size" argument to HOST_WIDE_INT. Update function prototype.
1445 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1447 * config/i386/i386.c (output_387_ffreep): Create output from a
1448 template string for !HAVE_AS_IX86_FFREEP.
1450 2006-10-27 Eric Christopher <echristo@apple.com>
1452 * config/darwin.c: Fix formatting and grammar.
1454 2006-10-27 Jan Hubicka <jh@suse.cz>
1456 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1457 to be thrown away soon when IGNORE is set.
1458 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1459 indicating when return value shall not be computed.
1460 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1462 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1464 * config/i386/i386.h (TARGET_GEODE):
1465 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1466 (TARGET_CPU_DEFAULT_geode): New macro.
1467 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1468 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1469 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1470 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1471 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1473 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1474 (processor_type): Add PROCESSOR_GEODE.
1476 * config/i386/i386.md: Include geode.md.
1479 * config/i386/i386.c (geode_cost): New initialized global
1481 (m_GEODE, m_K6_GEODE): New macros.
1482 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1483 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1484 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1485 x86_schedule): Use m_K6_GEODE instead of m_K6.
1486 (x86_movx, x86_cmove): Set up m_GEODE.
1487 (x86_integer_DFmode_moves): Clear m_GEODE.
1488 (processor_target_table): Add entry for geode.
1489 (processor_alias_table): Ditto.
1491 * config/i386/geode.md: New file.
1493 * doc/invoke.texi: Add entry about geode processor.
1495 2006-10-27 Mike Stump <mrs@apple.com>
1497 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1498 __DYNAMIC__ from here back to ...
1499 * config/darwin.h (CPP_SPEC): ... here.
1501 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1502 Nathan Sidwell <nathan@codesourcery.com>
1504 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1505 when choosing the minimum heapsize.
1507 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1509 * gcc/unwind-dw2.h: Move cfa-related variables into
1510 struct frame_state_reg_info to ensure that the CFA is properly
1511 handled when executing DW_CFA_{remember,restore}_state.
1512 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1513 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1514 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1515 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1516 gcc/config/rs6000/linux-unwind.h,
1517 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1518 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1519 Modify to use new cfa_* fields.
1521 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1523 * config/s390/s390.c (s390_init_frame_layout): Check positive
1526 2006-10-26 Ben Elliston <bje@au.ibm.com>
1528 * gimplify.c (get_name): Remove extraneous break.
1529 (gimplify_omp_for): Initialise ret with GS_OK.
1531 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1533 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1534 Add unix98.o to link line.
1536 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1539 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1540 Calculate compile-time constants using MPFR.
1541 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1542 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1544 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1546 * config/xtensa/lib2funcs.S: Use C-style comments.
1548 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1550 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1551 (file_table_relative_p): Likewise.
1552 (dwarf2out_finish): Likewise.
1553 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1555 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1557 * tree-ssa-structalias.c (intra_create_variable_infos):
1558 Don't recreate nonlocal_all if it already exists.
1560 2006-10-25 Richard Guenther <rguenther@suse.de>
1563 * optabs.h (enum optab_index): Remove OTI_lrint.
1564 (enum convert_optab_index): Add COI_lrint.
1565 (lrint_optab): Adjust.
1566 (expand_sfix_optab): Declare.
1567 * optabs.c (expand_sfix_optab): New function.
1568 (init_optabs): Init lrint_optab as conversion optab.
1569 * genopinit.c (lrint_optab): Change to a conversion optab.
1570 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1571 expansion via conversion optab.
1572 * config/i386/i386.md (*fistdi2_1): Remove
1573 flag_unsafe_math_optimizations guard.
1574 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1575 fist<mode>2_with_temp): Likewise.
1576 (lrint<mode>2): Split into...
1577 (lrintxf<mode>2): ... x87 part
1578 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1579 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1580 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1581 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1582 * doc/md.texi (lrintMN2): Document.
1584 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1587 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1588 Use inc and dec instructions for TARGET_USE_INCDEC.
1589 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1590 ("sync_double_compare_and_swap<mode>"): Likewise.
1591 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1592 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1593 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1594 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1595 ("sync_old_add<mode>"): Likewise.
1596 ("sync_lock_test_and_set<mode>"): Likewise.
1597 ("sync_lock_test_and_set<mode>"): Likewise.
1598 ("sync_add<mode>"): Likewise.
1599 ("sync_sub<mode>"): Likewise.
1600 ("sync_ior<mode>"): Likewise.
1601 ("sync_and<mode>"): Likewise.
1602 ("sync_xor<mode>"): Likewise.
1604 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1606 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1607 (remainder_optab): Define corresponding macro.
1608 (drem_optab): Remove.
1609 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1610 drem_optab initialization.
1611 * genopinit.c (optabs): Implement remainder_optab using
1612 remainder?f3 patterns. Remove drem_optab.
1613 * builtins.c (expand_builtin_mathfn_2): Handle
1614 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1615 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1616 expand_builtin_mathfn_2.
1618 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1619 depend on flag_unsafe_math_optimizations.
1621 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1622 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1623 Do not depend on flag_unsafe_math_optimizations. Use
1624 truncxf?f expander instead of truncxf?f_i387_noop.
1626 ("fpremxf4", "fprem1xf4"): Do not depend on
1627 flag_unsafe_math_optimizations.
1628 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1629 flag_unsafe_math_optimizations. Use truncxf?f expander
1630 instead of truncxf?f_i387_noop.
1632 * doc/md.texi (fmod, remainder): Document standard named pattern.
1634 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1635 David Daney <ddaney@avtrex.com>
1638 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1640 2006-10-25 Ben Elliston <bje@au.ibm.com>
1642 * doc/extend.texi (Variable Attributes): Typo fix.
1644 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1646 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1647 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1648 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1649 (FRAME_POINTER_REGNUM): Update register number to 21.
1650 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1651 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1653 * config/i386/i386.c (regclass_map): Add fpcr entry.
1654 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1656 (print_reg): Assert REGNO (x) != FPCR_REG.
1658 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1659 (DIRFLAG_REG): Renumber.
1660 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1661 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1662 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1663 hardcoded SSE register numbers.
1665 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1666 hardcoded MMX register numbers.
1668 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1671 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1672 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1674 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1675 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1676 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1677 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1679 2006-10-24 Richard Guenther <rguenther@suse.de>
1682 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1683 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1684 for deciding optimizations in consistency with fold-const.c
1685 (fold_builtin_unordered_cmp): Likewise.
1687 2006-10-24 Richard Guenther <rguenther@suse.de>
1689 * builtins.c (fold_builtin_floor): Fold floor (x) where
1690 x is nonnegative to trunc (x).
1691 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1692 nonnegative to FIX_TRUNC_EXPR.
1694 2006-10-24 Richard Guenther <rguenther@suse.de>
1696 PR tree-optimization/29567
1697 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1698 for TRUTH_NOT_EXPR. Clarify comments.
1700 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1703 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1704 at compile-time using MPFR. Change parameter VALUE to FUNC,
1706 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1707 for overflow and underflow at all times and avoid folding in
1710 2006-10-24 Ben Elliston <bje@au.ibm.com>
1712 * reload1.c: Formatting fixes.
1714 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1716 PR tree-optimization/14784
1717 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1718 * tree-ssa-structalias.c (get_constraint_for,
1719 intra_create_variable_infos): Set is_heapvar.
1720 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1721 non-heapvar pointer variables specially.
1723 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1726 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1727 fold_builtin_tan): Fold all constant arguments. Take a "type"
1728 argument as necessary.
1729 (do_mpfr_arg1): New.
1730 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1732 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1734 * config/xtensa/lib1funcs.asm: Use C-style comments.
1736 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1738 * tree.c (local_define_builtin): Replace calls to
1739 lang_hooks.builtin_function with add_builtin_function.
1740 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1742 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1744 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1745 common code to add_builtin_function.
1746 * langhooks.c (add_builtin_function): New function.
1747 (lhd_builtin_function): New function.
1748 * langhooks.h (struct lang_hooks): Change the signature of
1750 (add_builtin_function): New function.
1751 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1752 calls to lang_hooks.builtin_function with add_builtin_function.
1753 * c-common.c (decl_builtin_1): Replace calls to
1754 lang_hooks.builtin_function with add_builtin_function.
1755 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1756 lang_hooks.builtin_function with add_builtin_function.
1757 * config/frv/frv.c (def_builtin): Replace calls to
1758 lang_hooks.builtin_function with add_builtin_function.
1759 * config/s390/s390.c (s390_init_builtins): Replace calls to
1760 lang_hooks.builtin_function with add_builtin_function.
1761 * config/sparc/sparc.c (def_builtin): Replace calls to
1762 lang_hooks.builtin_function with add_builtin_function.
1763 * config/i386/i386.c (def_builtin): Replace calls to
1764 lang_hooks.builtin_function with add_builtin_function.
1765 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1766 lang_hooks.builtin_function with add_builtin_function.
1767 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1768 lang_hooks.builtin_function with add_builtin_function.
1769 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1770 Replace calls to lang_hooks.builtin_function with
1771 add_builtin_function.
1772 * config/iq2000/iq2000.c (def_builtin):
1773 Replace calls to lang_hooks.builtin_function with
1774 add_builtin_function.
1775 * config/ia64/ia64.c (def_builtin): Replace calls to
1776 lang_hooks.builtin_function with add_builtin_function.
1777 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1778 lang_hooks.builtin_function with add_builtin_function.
1779 (altivec_init_builtins): Replace calls to
1780 lang_hooks.builtin_function with add_builtin_function.
1781 * config/arm/arm.c (def_mbuiltin): Replace calls to
1782 lang_hooks.builtin_function with add_builtin_function.
1783 (arm_init_tls_builtins): Replace calls to
1784 lang_hooks.builtin_function with add_builtin_function.
1785 * config/mips/mips.c (mips_init_builtins): Replace calls to
1786 lang_hooks.builtin_function with add_builtin_function.
1787 * config/bfin/bfin.c (def_builtin): Replace calls to
1788 lang_hooks.builtin_function with add_builtin_function.
1789 * langhooks-def.h (lhd_builtin_function): New function.
1790 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1792 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1794 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1795 BUILT_IN_STRNCAT_CHK.
1797 2006-10-23 Jan Hubicka <jh@suse.cz>
1799 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1800 don't do conversion from memmove to memcpy here.
1801 (expand_builtin_bcopy, expand_builtin): Update call of
1802 expand_builtin_memmove.
1803 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1805 2006-10-23 Paul Brook <paul@codesourcery.com>
1807 * stor-layout.c (start_record_layout): maximum_field_alignment
1808 overrides STRUCTURE_SIZE_BOUNDARY.
1810 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1812 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1813 nonlocal function symbols if flag_pic.
1815 2006-10-23 Richard Guenther <rguenther@suse.de>
1819 * builtins.c (fold_binary): Remove checks for flag_wrapv
1820 and flag_trapv where negate_expr_p covers these cases.
1822 2006-10-23 Richard Guenther <rguenther@suse.de>
1825 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1826 of two on the absolute value.
1827 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1828 and negating -C does not overflow.
1830 2006-10-23 Richard Guenther <rguenther@suse.de>
1833 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1834 only if not flag_rounding_math.
1836 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1837 Kaz Kojima <kkojima@gcc.gnu.org>
1840 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1841 SImode memory reference for the source of a movua.
1842 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1843 (movua): Use an unspec instead of sign_extract. Expect the source
1844 to have mode BLKmode.
1845 (extv, insv): Use a BLKmode rather than SImode memory reference
1846 for the source of a movua.
1848 2006-10-22 Jeff Law <law@redhat.com>
1849 Richard Guenther <rguenther@suse.de>
1851 PR tree-optimization/15911
1852 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1853 (register_edge_assert_for_1): Likewise.
1854 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1855 (find_conditional_asserts): Adjust for new function signature.
1856 (find_assert_locations): Likewise.
1858 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1860 * config/i386/tmmintrin.h: Remove the duplicated content.
1862 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1864 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1865 (x86_64-*-*): Likewise.
1867 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1868 (override_options): Check SSSE3.
1869 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1870 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1871 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1872 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1873 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1874 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1875 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1876 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1877 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1878 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1879 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1880 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1881 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1882 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1883 IX86_BUILTIN_PABSD128.
1884 (bdesc_2arg): Add SSSE3.
1885 (bdesc_1arg): Likewise.
1886 (ix86_init_mmx_sse_builtins): Support SSSE3.
1887 (ix86_expand_builtin): Likewise.
1888 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1890 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1891 (UNSPEC_PSIGN): Likewise.
1892 (UNSPEC_PALIGNR): Likewise.
1893 Include mmx.md before sse.md.
1895 * config/i386/i386.opt: Add -mssse3.
1897 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1898 (ssse3_phaddwv4hi3): Likewise.
1899 (ssse3_phadddv4si3): Likewise.
1900 (ssse3_phadddv2si3): Likewise.
1901 (ssse3_phaddswv8hi3): Likewise.
1902 (ssse3_phaddswv4hi3): Likewise.
1903 (ssse3_phsubwv8hi3): Likewise.
1904 (ssse3_phsubwv4hi3): Likewise.
1905 (ssse3_phsubdv4si3): Likewise.
1906 (ssse3_phsubdv2si3): Likewise.
1907 (ssse3_phsubswv8hi3): Likewise.
1908 (ssse3_phsubswv4hi3): Likewise.
1909 (ssse3_pmaddubswv8hi3): Likewise.
1910 (ssse3_pmaddubswv4hi3): Likewise.
1911 (ssse3_pmulhrswv8hi3): Likewise.
1912 (ssse3_pmulhrswv4hi3): Likewise.
1913 (ssse3_pshufbv16qi3): Likewise.
1914 (ssse3_pshufbv8qi3): Likewise.
1915 (ssse3_psign<mode>3): Likewise.
1916 (ssse3_psign<mode>3): Likewise.
1917 (ssse3_palignrti): Likewise.
1918 (ssse3_palignrdi): Likewise.
1919 (abs<mode>2): Likewise.
1920 (abs<mode>2): Likewise.
1922 * config/i386/tmmintrin.h: New file.
1924 * doc/extend.texi: Document SSSE3 built-in functions.
1926 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1928 2006-10-22 Ira Rosen <irar@il.ibm.com>
1930 * tree-vect-transform.c (vectorizable_load): Use the type of the
1931 return value of the mask_for_load builtin to create realign_load
1934 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1936 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1939 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1941 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1942 (UNSPEC_LDDQU): This.
1943 * config/i386/sse.md (sse3_lddqu): Updated.
1945 2006-10-21 Richard Guenther <rguenther@suse.de>
1947 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1948 (expand_builtin): Use it to expand lrint instead of
1949 expand_builtin_mathfn.
1951 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1954 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1955 flag_unsafe_math_optimizations is set.
1957 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1960 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1961 patterns to use memory input operand in x87->mem->XMM
1962 reload sequences. Skip transformation for TARGET_K8.
1964 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1966 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1967 force operand1 to register if both operands are memory operands.
1968 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1969 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1970 if both operands are memory operands.
1971 (truncdfsf2): Do not force operand1 to register if both operands
1972 are memory operands.
1974 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1976 * Makefile.in (LIBS): Add $(GMPLIBS).
1977 * doc/install.texi: Update GMP and MPFR requirements.
1978 * doc/sourcebuild.texi (need_gmp): Delete.
1980 2006-10-21 Richard Guenther <rguenther@suse.de>
1982 PR tree-optimization/3511
1983 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1984 got new invariant arguments during PHI translation.
1986 2006-10-21 Richard Guenther <rguenther@suse.de>
1989 * fold-const.c (fold_comparison): Fold signed comparisons
1990 of the form X +- C1 CMP Y +- C2.
1992 2006-10-21 Richard Guenther <rguenther@suse.de>
1995 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1996 if flag_unsafe_math_optimizations is specified. We have
1997 flag_finite_math_only for that.
1998 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1999 or flag_unsafe_math_optimizations.
2001 2006-10-21 Richard Guenther <rguenther@suse.de>
2003 * builtins.c (fold_builtin_classify): Fix typo.
2005 2006-10-21 Richard Guenther <rguenther@suse.de>
2008 * simplify-rtx.c (simplify_const_relational_operation):
2009 Do not constant-fold ORDERED and UNORDERED for
2010 flag_unsafe_math_optimizations but only we do not need to
2011 honor NaNs for the given mode.
2013 2006-10-21 Richard Guenther <rguenther@suse.de>
2016 * config/i386/i386.c (classify_argument): Remove redundant
2017 walking of the BINFOs.
2018 (contains_128bit_aligned_vector_p): Likewise.
2020 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2022 * BASE-VER: Set to 4.3.0.
2024 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2026 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2027 (tree_decl_with_vis): Remove artificial_pta_var flag.
2028 * tree-flow.h (referenced_var_check_and_insert): Expose.
2029 (nonlocal_all): New prototype.
2030 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2031 (nonlocal_all): Make global.
2032 (nonlocal_lookup): Remove.
2033 (nonlocal_insert): Ditto.
2034 (create_nonlocal_var): Do not call nonlocal_insert.
2035 (get_nonlocal_id_for_type): Remove.
2036 (find_global_initializers): Mark new vars we find for renaming.
2037 (intra_create_variable_infos): Only create one nonlocal.
2038 (expand_nonlocal_solutions): Remove.
2039 (compute_points_to_sets): Don't call it.
2040 (ipa_pta_execute): Ditto.
2041 (init_alias_heapvars): Don't create nonlocal_for_type.
2042 (delete_alias_heapvars): Don't remove it.
2043 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2046 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2048 * doc/install.texi (Downloading GCC): Clarify mention of
2049 Fortran in the "full distribution" description.
2051 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2053 Fix PR tree-optimization/28778
2054 Fix PR tree-optimization/29156
2055 Fix PR tree-optimization/29415
2056 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2057 (tree_decl_with_vis): Add artificial_pta_var flag.
2058 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2059 pushed into callers.
2060 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2061 (nonlocal_all): Ditto.
2062 (struct variable_info): Add directly_dereferenced member.
2063 (var_escaped_vars): New variable.
2064 (escaped_vars_tree): Ditto.
2065 (escaped_vars_id): Ditto.
2066 (nonlocal_vars_id): Ditto.
2067 (new_var_info): Set directly_dereferenced.
2068 (graph_size): New variable
2069 (build_constraint_graph): Use graph_size.
2070 (solve_graph): Don't process constraints that cannot change the
2071 solution, don't try to propagate an empty solution to our
2073 (process_constraint): Set directly_dereferenced.
2074 (could_have_pointers): New function.
2075 (get_constraint_for_component_ref): Don't process STRING_CST.
2076 (nonlocal_lookup): New function.
2077 (nonlocal_insert): Ditto.
2078 (create_nonlocal_var): Ditto.
2079 (get_nonlocal_id_for_type): Ditto.
2080 (get_constraint_for): Allow results vector to be empty in the case
2081 of string constants.
2082 Handle results of calls properly.
2083 (update_alias_info): Update alias info stats on number and type of
2085 (find_func_aliases): Use could_have_pointers.
2086 (make_constraint_from_escaped): Renamed from
2087 make_constraint_to_anything, and changed to make constraints from
2089 (make_constraint_to_escaped): New function.
2090 (find_global_initializers): Ditto.
2091 (create_variable_info_for): Make constraint from escaped to any
2092 global variable, and from any global variable to the set of
2094 (intra_create_variable_infos): Deal with escaped instead of
2095 pointing to anything.
2096 (set_uids_in_ptset): Do type pruning on directly dereferenced
2098 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2099 (init_base_vars): Fix comment, and initialize escaped_vars.
2100 (need_to_solve): Removed.
2101 (find_escape_constraints): New function.
2102 (expand_nonlocal_solutions): Ditto.
2103 (compute_points_to_sets): Call find_escape_constraints and
2104 expand_nonlocal_solutions.
2105 (delete_points_to_sets): Don't fall off the end of the graph.
2106 (init_alias_heapvars): Initialize nonlocal_for_type and
2108 (delete_alias_heapvars): Free nonlocal_for_type and null out
2111 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2113 * fold-const.c (add_double): Rename to add_double_with_sign.
2114 Add 'unsigned_p' parameter and take it into account for the overflow.
2115 (mul_double): Rename to mul_double_with_sign.
2116 Add 'unsigned_p' parameter and take it into account for the overflow.
2117 (fold_div_compare): Call add_double_with_sign instead of add_double
2118 and mul_double_with_sign instead of mul_double, passing them the
2119 unsignedness of the type.
2120 * tree.h (add_double): Macroize.
2121 (add_double_with_sign): New prototype.
2122 (mul_double): Macroize.
2123 (mul_double_with_sign): New prototype.
2125 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2127 * config/score/crti.asm: New file.
2128 * config/score/crtn.asm: New file.
2129 * config/score/elf.h: New file.
2130 * config/score/mac.md: New file.
2131 * config/score/misc.md: New file.
2132 * config/score/mul-div.S: New file.
2133 * config/score/predicates.md: New file.
2134 * config/score/score7.md: New file.
2135 * config/score/score.c: New file.
2136 * config/score/score-conv.h: New file.
2137 * config/score/score.h: New file.
2138 * config/score/score.md: New file.
2139 * config/score/score-mdaux.c: New file.
2140 * config/score/score-mdaux.h: New file.
2141 * config/score/score-modes.def: New file.
2142 * config/score/score.opt: New file.
2143 * config/score/score-protos.h: New file.
2144 * config/score/score-version.h: New file.
2145 * config/score/t-score-elf: New file.
2146 * config.gcc: Add score*-*-* configurations(Update before).
2147 * doc/invoke.texi (Score Options): New section.
2148 * doc/md.texi (Score family): New section to document constraints.
2150 2006-10-19 Nick Clifton <nickc@redhat.com>
2152 * config/arm/arm.c: Fix spelling typo.
2154 2006-10-18 Tom Tromey <tromey@redhat.com>
2156 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2158 2006-10-18 Jan Hubicka <jh@suse.cz>
2161 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2164 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2166 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2167 TSI_SAME_STMT, since that's the desired entity.
2169 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2171 * config/s390/contraints.md: New file.
2172 * config/s390/s390-protos.h (s390_mem_constraint,
2173 s390_O_constraint_str, s390_N_constraint_str,
2174 s390_float_const_zero_p): Function prototypes added.
2175 * config/s390/s390.c (s390_extra_constraint_str,
2176 s390_const_double_ok_for_constraint_p,
2177 s390_const_ok_for_constraint_p): Functions removed.
2178 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2179 s390_float_const_zero_p): New functions.
2180 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2181 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2182 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2183 Macro definitions removed.
2184 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2185 s390_extra_constraint_str): Functions removed.
2187 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2188 Richard Sandiford <richard@codesourcery.com>
2191 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2192 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2194 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2196 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2197 (DWARF2_FRAME_REG_OUT): Likewise.
2198 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2199 (DWARF2_FRAME_REG_OUT): Likewise.
2201 2006-10-17 Paul Brook <paul@codesourcery.com>
2203 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2205 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2207 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2208 Standardize on "GNU Fortran" as the official name of the Fortran
2211 2006-10-16 Mike Stump <mrs@apple.com>
2213 * doc/invoke.texi (Darwin Options): Document -mkernel.
2214 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2216 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2217 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2218 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2219 (OS_MISSING_ALTIVEC): Add.
2220 * config/i386/i386.c (override_options): Add
2221 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2222 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2223 -mkernel, -static or -mdynamic-no-pic is given.
2224 (C_COMMON_OVERRIDE_OPTIONS): Add.
2225 * config/darwin.opt (fapple-kext): Add.
2227 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2228 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2230 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2231 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2232 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2233 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2234 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2235 (flag_mkernel): Add.
2236 (flag_apple_kext): Add.
2237 (TARGET_KEXTABI): Add.
2238 * config/darwin.c (darwin_handle_kext_attribute): Add.
2239 (DARWIN_VTABLE_P): Add.
2240 (darwin_binds_local_p): Add partial support for rebinding vtables
2242 (darwin_kextabi_p): Add.
2243 (darwin_override_options): Add.
2244 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2245 (darwin_kextabi_p): Add.
2246 (darwin_override_options): Add.
2247 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2248 __DYNAMIC__ and __STATIC__ here.
2250 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2252 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2253 Added mention of "make pdf" target, and Texinfo requirements for
2256 2006-10-16 DJ Delorie <dj@redhat.com>
2258 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2259 into the GOT in case we need a subreg of the address.
2261 2006-10-16 Richard Guenther <rguenther@suse.de>
2264 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2265 SSE builtin documentation. Document SSE2 builtins.
2267 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2269 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2270 symbol in the output file for non-shared links when -nostdlib or
2271 -nodefaultlibs isn't specified.
2273 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2274 posix thread support.
2276 2006-10-15 Jan Hubicka <jh@suse.cz>
2279 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2280 declared always_inline even when not inlining.
2282 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2283 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2284 Andrew Pinski <pinskia@gmail.com>
2287 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2289 2006-10-15 Jan Hubicka <jh@suse.cz>
2290 Richard Guenther <rguenther@suse.de>
2293 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2294 process_function_and_variable_attributes on all variables, including
2295 those discovered during cgraph construction phase.
2297 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2299 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2301 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2303 * config/i386/athlon.md (athlon_fist): Add fisttp.
2305 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2306 Ian Lance Taylor <ian@airs.com>
2309 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2310 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2313 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2315 * config/score/score.c, config/score/score.h: Fix comment
2318 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2321 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2324 2006-10-13 Eric Christopher <echristo@apple.com>
2326 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2328 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2331 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2332 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2333 alignment supported by 32-bit ELF.
2335 2006-10-13 Eric Christopher <echristo@apple.com>
2337 * config/darwin.c (darwin_emit_unwind_label): Strip
2338 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2340 2006-10-13 Richard Guenther <rguenther@suse.de>
2342 PR tree-optimization/29446
2343 * tree-vrp.c (fix_equivalence_set): Remove.
2344 (extract_range_from_assert): Do not call fix_equivalence_set.
2345 (debug_value_range): Print a newline.
2346 (compare_name_with_value): For equivalence sets with
2347 inconsistent value ranges conservatively bail out.
2348 (compare_names): Likewise.
2350 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2352 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2353 and MPFR for gfortran.
2355 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2357 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2358 alignment supported by 32-bit ELF.
2360 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2364 * c-typeck.c (digest_init): Always allow initializing vectors
2365 that have static storage duration with compound literals.
2366 * tree.c (build_type_attribute_qual_variant): New, based on
2367 build_type_attribute_variant.
2368 (build_type_attribute_variant): Rewrite using the former.
2369 (make_vector_type): Use build_type_attribute_qual_variant to build
2370 type variants. Use type_hash_canon on the others.
2372 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2373 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2375 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2377 2006-10-12 Jan Hubicka <jh@suse.cz>
2380 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2381 current_function_decl is set but current_function_scope is not.
2383 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2385 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2386 emit_insn to emit eh_return_internal instruction.
2387 (eh_return_internal): Explicitly set pc.
2389 2006-10-11 Richard Guenther <rguenther@suse.de>
2391 PR tree-optimization/28230
2392 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2393 to the correct place.
2395 2006-10-11 Richard Guenther <rguenther@suse.de>
2398 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2401 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2403 * configure.ac: Added pdf to "Make-hooks"
2404 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2405 targets and *.pdf file patterns in cleanup targets.
2406 * configure: Regenerated.
2408 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2410 * config/avr/predicates.md: New file.
2411 * config/avr/avr.md: Include it.
2412 (REG_SP): New constant.
2413 (peepholes): Use predicates.
2414 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2415 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2416 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2418 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2420 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2423 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2426 * builtins.c (var_decl_component_p): New function.
2427 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2428 single entry optimization to variables and components thereof.
2430 2006-10-10 Richard Guenther <rguenther@suse.de>
2432 PR rtl-optimization/29323
2433 * except.c (set_nothrow_function_flags): For functions
2434 that do not bind local bail out early.
2436 2006-10-10 Ben Elliston <bje@au.ibm.com>
2438 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2441 2006-10-09 Richard Henderson <rth@redhat.com>
2443 Revert emutls patch.
2445 2006-10-09 Richard Guenther <rguenther@suse.de>
2448 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2451 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2454 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2455 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2456 * configure: Regenerate.
2457 * config.in: Regenerate.
2459 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2461 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2463 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2465 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2466 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2467 Remove stray newline.
2469 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2471 * config/mips/mips.c (mips_classify_symbol): Do not return
2472 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2473 (mips_in_small_data_p): Tweak comments.
2475 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2477 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2479 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2481 * gimplify.c, sched-int.h: Fix comment typos.
2483 * sched-int.h: Fix comment typos.
2485 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2487 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2489 * sched-ebb.c (begin_schedule_ready): Use them.
2490 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2491 add_to_speculative_block, create_check_block_twin, speculate_insn,
2492 fix_jump_move, move_block_after_check): Ditto.
2493 * sched-rgn.c (new_ready): Ditto.
2495 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2497 PR rtl-optimization/29128
2498 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2499 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2500 allow interblock movement of speculation checks.
2502 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2505 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2506 casted to integer type.
2507 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2508 if they are significantly more expensive than [reg + index] ones.
2510 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2512 PR tree-optimization/29330
2513 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2514 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2515 on newly allocated ddrs.
2516 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2517 to VEC (loop_p, heap) pointer.
2518 (compute_data_dependences_for_loop): Adjust caller.
2519 (free_dependence_relations): Free DDR_LOOP_NEST.
2521 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2522 free DEPENDENCE_RELATIONS and DATAREFS.
2525 * builtins.c (expand_builtin_sync_operation,
2526 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2527 Use convert_to_mode to handle promoted arguments.
2529 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2531 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2533 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2535 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2537 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2539 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2540 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2541 Use <modeconstraint> instead of "r" as operand 1 constraint.
2543 2006-10-06 Olivier Hainque <hainque@adacore.com>
2545 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2546 Don't recurse on the pointed-to type.
2547 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2548 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2549 types with components of variable size.
2551 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2553 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2555 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2557 PR tree-optimization/29290
2558 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2562 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2563 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2566 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2567 the number of vector elements fill the rest with zeros.
2569 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2571 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2572 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2575 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2577 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2578 unnamed pattern into subsi3. Use correct constraints/predicates.
2579 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2580 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2582 2006-10-05 Ira Rosen <irar@il.ibm.com>
2584 * doc/loop.texi: Add data references analysis description.
2586 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2588 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2590 2006-10-04 Richard Henderson <rth@redhat.com>
2591 Jakub Jelinek <jakub@redhat.com>
2593 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2594 * builtin-types.def (BT_WORD): Make unsigned.
2595 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2596 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2597 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2598 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2599 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2600 * cgraph.c (decide_is_variable_needed): Look at force_output.
2601 Recurse for emulated tls.
2602 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2603 checks redundant with decide_is_variable_needed.
2604 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2605 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2607 * expr.c (emutls_var_address): New.
2608 (expand_expr_real_1): Expand emulated tls.
2609 (expand_expr_addr_expr_1): Likewise.
2610 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2611 * output.h (emutls_finish): Declare.
2612 * toplev.c (compile_file): Call it.
2613 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2614 address before wrapping in CONST.
2615 * varasm.c (emutls_htab, emutls_object_type): New.
2616 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2617 (get_emutls_object_name, get_emutls_object_type): New.
2618 (get_emutls_init_templ_addr, emutls_decl): New.
2619 (emutls_common_1, emutls_finish): New.
2620 (assemble_variable): When emulating tls, swap decls; generate
2621 constructor for the emutls objects.
2622 (do_assemble_alias): When emulating tls, swap decl and target name.
2623 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2625 * emutls.c: New file.
2626 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2627 tls_object for real tls.
2629 2006-10-04 Zack Weinberg <zackw@panix.com>
2631 Fix bug in constraint-check generator, reported by Rask Ingemann
2633 * genpreds.c (add_constraint): Don't remove anything from the
2635 (write_tm_constrs_h): Detect whether "op" argument is used, and
2636 mark it ARG_UNUSED if it isn't.
2637 (write_insn_const_int_ok_for_constraint): Skip the part of the
2638 expression that would test whether "op" (which is not available
2639 here) is a CONST_INT.
2641 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2644 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2646 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2648 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2649 current Leopard versions.
2650 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2652 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2654 * doc/install.texi: Fix typos.
2656 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2658 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2659 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2660 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2662 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2664 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2665 arg to be struct mach_header_64* instead.
2667 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2670 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2671 side effects after the outer expression's post side effects.
2673 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2675 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2676 comments to reflect actual behavior and relationship between
2677 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2679 * doc/c-tree.texi (Working with declarations): Fix documentation
2680 of FIELD_DECL likewise.
2682 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2685 * doc/extend.texi: Add used variable attribute description.
2687 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2690 * c.opt (Woverride-init): New.
2691 * c-opts.c (c_common_post_options): Default warn_override_init to
2693 * c-typeck.c (add_pending_init, output_init_element): Warn for
2694 overriding initializers without side effects.
2695 * doc/invoke.texi (-Woverride-init): Document.
2698 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2700 PR rtl-optimization/28096
2701 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2702 assignment has already been used as a destination earlier in the block.
2704 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2706 * builtins.c (expand_builtin_setjmp): Delete.
2707 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2708 <BUILT_IN_SETJMP_SETUP>: New case.
2709 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2710 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2711 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2712 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2713 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2714 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2715 (lower_function_body): Initialize it to false. If it is set to true
2716 at the end of the processing, emit the setjmp dispatcher.
2717 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2718 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2719 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2720 on the rhs of the assignment.
2721 (lower_builtin_setjmp): New function.
2722 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2723 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2724 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2725 to detect calls that can go to non-local labels. Use specific
2726 helper to create the abnormal edges associated with them.
2727 <MODIFY_EXPR>: Likewise.
2728 (make_abnormal_goto_edges): New function extracted from...
2729 (make_goto_expr_edges): ...here. Call it for computed gotos.
2730 (simple_goto_p): Minor tweak.
2731 (tree_can_make_abnormal_goto): New predicate.
2732 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2733 (tree_purge_dead_abnormal_call_edges): New function.
2734 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2735 (tree_purge_dead_abnormal_call_edges): Likewise.
2736 (make_abnormal_goto_edges): Likewise.
2737 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2738 Purge all dead abnormal edges if the call was in the last statement.
2739 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2740 (execute_fixup_cfg): If there are non-local labels in the function,
2741 scan the basic blocks and split them at calls that can go to non-local
2742 labels or add missing abnormal call edges. Write down the CFG in the
2744 (pass_fixup_cfg): Remove TODO_dump_func flag.
2745 * unwind-sjlj.c: Poison setjmp.
2746 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2747 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2748 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2749 (DONT_USE_BUILTIN_SETJMP): Document it.
2751 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2754 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2755 to 1 when __ppc64__ is defined.
2756 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2758 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2760 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2762 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2763 * config/ia64/unwind-hpux.c: Delete.
2765 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2767 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2768 on the element before gimplifying it, instead of punting if it is of
2771 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2773 * doc/loop.texi: New file.
2774 * doc/gccint.texi: Reference loop.texi.
2775 * Makefile.in (loop.texi): Add.
2777 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2779 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2781 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2782 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2784 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2786 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2788 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2790 * doc/install.texi: Document required versions of GMP and MPFR.
2792 2006-09-27 Paul Brook <paul@codesourcery.com>
2795 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2797 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2799 * reload1.c (alter_reg): Require the alignment of the stack slot to
2800 be at least reg_max_ref_width bytes.
2801 (scan_paradoxical_subregs): Record the largest width in
2804 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2808 * tree-nested.c (struct nesting_info): Added static_chain_added.
2809 (convert_call_expr): Set static_chain_added when adding static
2810 chain. Handle OMP_PARALLEL and OMP_SECTION.
2812 2006-09-25 Matthias Klose <doko@debian.org>
2814 * doc/invoke.texi: Add missing full stop.
2816 2006-09-25 Richard Henderson <rth@redhat.com>
2818 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2819 before cgraph_function_flags_ready.
2821 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2822 Adam Nemet <anemet@caviumnetworks.com>
2824 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2825 determine_common_wider_type): New functions.
2826 (get_computation_aff): Use them to simplify arithmetic between
2827 UBASE and CBASE if they are shortened from the same type.
2829 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2832 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2833 -2147483647 - 1 instead of 0x80000000.
2835 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2837 * flags.h (HONOR_NANS): Fix typo in comment.
2839 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2841 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2843 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2847 * tree.c (merge_attributes, attribute_list_contained): If both
2848 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2850 * c-typeck.c (comptypes_internal): Don't consider aggregates
2851 in different TUs as compatible if there one set of attributes is
2852 not a subset of the other type's attributes.
2853 (composite_type): Try harder not to create a new aggregate type.
2855 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2857 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2858 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2859 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2860 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2861 than replicating condition above.
2862 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2864 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2865 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2866 the linker by default.
2868 2006-09-22 Mike Stump <mrs@apple.com>
2870 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2873 2006-09-22 Richard Guenther <rguenther@suse.de>
2876 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2877 sort of stack variables stable.
2879 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2882 * explow.c (force_reg): Set REG_POINTER flag according to
2885 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2887 PR tree-optimization/28888
2888 * tree-if-conv.c (combine_blocks): Rewritten.
2889 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2890 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2892 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2894 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2897 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2899 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2901 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2903 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2905 2006-09-21 Roger Sayle <roger@eyesopen.com>
2908 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2909 dw_fde_current_label, to be the start of the function, i.e. the same
2910 value as dw_fde_begin.
2912 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2914 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2915 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2916 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2917 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2918 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2919 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2920 (abs<mode>2, neg<mode>2): Likewise.
2921 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2922 (*mips_abs_ps): New define_insn.
2924 2006-09-20 Josh Conner <jconner@apple.com>
2927 * calls.c (expand_call): Allow reuse of structure return stack
2930 2006-09-20 Paul Brook <paul@codesourcery.com>
2932 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2935 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2937 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2938 clean up terminology.
2940 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2943 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2944 with tablejumps in them.
2946 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2949 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2950 wrap it into TARGET_EXPR.
2952 2006-09-20 Eric Christopher <echristo@apple.com>
2954 * config/i386/i386.c (x86_fisttp): Remove.
2955 * config/i386/i386.h (x86_fisttp): Ditto.
2956 (TARGET_FISTTP): Ditto.
2958 2006-09-19 Eric Christopher <echristo@apple.com>
2960 * doc/tm.texi (OBJC_JBLEN): Describe.
2961 * config/i386/darwin.h (OBJC_JBLEN): Define.
2962 * config/rs6000/darwin.h: Ditto.
2964 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2966 PR rtl-optimization/21299
2967 * reload1.c (reload): Purge invalid ASMs in the final pass.
2969 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2972 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2973 pointers as legitimate constants.
2975 2006-09-19 Paul Brook <paul@codesourcery.com>
2978 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2980 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2982 PR tree-optimization/28887
2983 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2984 component parts from the reference.
2985 (gather_memory_references_ref): Record the reference without the
2986 nonaddressable component parts.
2988 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2991 * c-opts.c (c_common_handle_option): Ignore the -std options
2992 if the input language is assembly.
2994 2006-09-17 Ira Rosen <irar@il.ibm.com>
2997 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2999 (ptr_ptr_may_alias_p): Likewise.
3000 (record_record_differ_p): New function.
3001 (base_object_differ_p): Call record_record_differ_p.
3003 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3006 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3007 away for the expr argument.
3009 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3012 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3013 before using it for dumping after vectorizing loops.
3015 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3016 Jack Howarth <howarth@bromo.med.uc.edu>
3019 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3020 skip on error_mark_node.
3021 (rs6000_darwin64_record_arg_recurse): Likewise.
3023 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3025 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3026 * doc/rtl.texi: Remove related documentation.
3028 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3030 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3033 2006-09-15 Jim Wilson <wilson@specifix.com>
3035 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3036 Handle symbol offsets same as they are handled in ia64_expand_move
3039 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3041 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3042 Add forgotten parameter to the fprintf call.
3044 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3046 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3048 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3050 * doc/contrib.texi: Add my entry.
3052 2006-09-15 Nick Clifton <nickc@redhat.com>
3054 * doc/md.texi (Processor pipeline description): Fix typo in
3055 example of how to use the absence_set directive and reword the
3056 description to make it slightly easier to read.
3058 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3060 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3061 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3062 expanding the number of iterations.
3063 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3065 * cfgrtl.c (emit_insn_at_entry): New function.
3066 * rtl.h (emit_insn_at_entry): Declare it.
3067 * integrate.c (emit_initial_value_sets): Use it.
3069 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3071 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3073 (struct loop_work and related VEC declarations): Delete.
3074 (bfin_dump_loops): Print out new member bad.
3075 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3076 (bfin_scan_loop): Don't recurse.
3077 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3078 loops. No longer need to update outer loops if the current one is
3079 found bad. Move some validitiy checks to bfin_discover_loop.
3080 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3081 but changed not to check for nesting. Also changed to use the new bad
3083 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3084 time. Use bitmap based test to discover loop nesting.
3086 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3088 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3091 2006-09-14 Richard Guenther <rguenther@suse.de>
3092 Kazu Hirata <kazu@codesourcery.com>
3094 PR middle-end/28884.
3095 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3096 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3097 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3098 with TARGET_FUNCTION_VALUE.
3100 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3103 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3105 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3107 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3110 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3113 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3116 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3118 * basic_block.h (bb_has_eh_pred): Fix comment.
3120 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3122 * flow.c (calculate_global_regs_live): Invalidate eh registers
3123 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3124 (propagate_block): Handle eh registers as if they were set at basic
3126 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3128 * global.c (global_conflicts): Make eh registers to conflict with
3129 pseudos live at basic block begin.
3130 * basic_block.h (bb_has_eh_pred): New function.
3132 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3134 PR rtl-optimization/28982
3135 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3136 index of a PRE_MODIFY or POST_MODIFY address.
3137 * reload1.c (inc_for_reload): Use find_replacement on the original
3138 base and index registers.
3140 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3142 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3143 for -Os. Update __m128 alignment requirement.
3145 2006-09-13 Jan Hubicka <jh@suse.cz>
3147 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3149 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3151 PR rtl-optimization/28243
3152 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3153 the insn to which the note was originally attached.
3155 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3156 Roger Sayle <roger@eyesopen.com>
3158 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3159 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3160 on platforms that don't use dwarf for debug info.
3162 2006-09-12 Jason Merrill <jason@redhat.com>
3165 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3166 hard_frame_pointer_rtx after using it to update the frame pointer.
3168 2006-09-12 Roger Sayle <roger@eyesopen.com>
3170 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3171 (TARGET_ASM_CLOSE_PAREN): Likewise.
3172 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3173 (TARGET_ASM_CLOSE_PAREN): Likewise.
3175 2006-09-12 Roger Sayle <roger@eyesopen.com>
3178 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3179 frame information for frames larger than 512 Kbytes on Tru64 when
3180 using the native assembler.
3182 2006-09-12 Roger Sayle <roger@eyesopen.com>
3186 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3187 and symbols. Instead use the implementation from cse.c's hash_rtx.
3189 2006-09-12 Jan Hubicka <jh@suse.cz>
3191 PR rtl-optimization/28071
3192 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3193 (vect_transform_loop): Likewise.
3194 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3195 (new_loop_vec_info): Likewise.
3196 (destroy_loop_vec_info): Likewise.
3197 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3198 (create_stmt_ann): Likewise.
3199 (create_tree_ann): Rename to ...
3200 (create_tree_common_ann): ... this one; allocate only the common part
3202 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3203 (get_value_handle): Likewise.
3204 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3205 get_tree_common_ann.
3206 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3207 (vinfo_for_stmt): Use stmt annotations.
3208 * tree-flow.h (tree_ann_common_t): New type.
3209 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3210 (tree_ann, get_tree_ann, create_tree_ann): New.
3211 * tree-flow-inline.h (get_function_ann): Do more type checking.
3212 (stmt_ann): Likewise.
3213 (tree_ann): Rename to ...
3214 (tree_common_ann): ... this one; return ony common_ann
3215 (get_tree_ann): Rename to ...
3216 (tree_common_ann): This one; return only common_ann.
3217 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3220 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3222 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3223 with_cpu by default.
3225 * dwarf2out.c (dwarf_file_data): New.
3226 (enum dw_val_class): Add dw_val_class_file.
3227 (struct dw_val_struct): Add val_file.
3228 (file_table): Change to a hash table.
3229 (file_table_emitted): Delete.
3230 (file_table_last_lookup_index): Delete.
3231 (emitcount): Delete.
3232 (last_emitted_file): New.
3233 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3234 (init_file_table): Delete.
3235 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3236 (AT_addr): Add comment.
3240 (print_die): Handle dw_val_class_file.
3241 (print_dwarf_line_table): Update for new file table structure.
3242 (attr_checksum): Do checksum a filename.
3243 (same_dw_val_p, same_attr_p): Do compare a filename.
3244 (size_of_die): Handle dw_val_class_file.
3245 (value_format): Likewise.
3246 (output_die): Likewise. Also, call maybe_emit_file here.
3247 (struct file_info): Constify filenames. Make file_idx a pointer
3248 to a struct dwarf_file_data.
3249 (struct dir_info): Constify directory names. Remove 'used' field.
3250 (struct file_name_acquire_data): New.
3251 (file_name_acquire): New.
3252 (output_file_names): Modify to handle new file data structures.
3253 (add_src_coords_attributes): Use add_AT_file.
3254 (add_call_src_coords_attributes): Likewise.
3255 (dwarf2out_imported_module_or_decl): Likewise.
3256 (gen_subprogram_die): Modify for new file data structures.
3257 (gen_variable_die): Likewise.
3258 (file_table_eq): New.
3259 (file_table_hash): New.
3260 (file_table_last_lookup): New.
3261 (lookup_filename): Rewrite to handle new file data structures.
3262 (maybe_emit_file): Rewrite to handle new file data structures.
3263 (dwarf2out_source_line): Always call lookup_filename and
3265 (dwarf2out_init): Create file_table here.
3266 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3267 (file_table_relative_p): New.
3268 (dwarf2out_finish): Change detection of relative filenames
3269 to work with new file data structures. Move output_line_info call
3270 after debug_info output.
3272 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3277 * config/i386/i386.c (override_options): Always default to 16
3278 byte stack boundary.
3280 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3283 * var-tracking.c (dump_dataflow_set): Start dumping at
3285 (clobber_variable_part): Kill only the variable part in
3286 registers holding it, leaving other variables alone.
3288 2006-09-11 Josh Triplett <josh@freedesktop.org>
3290 * doc/extend.texi (Other Builtins): Actually use the macro
3291 argument in the documentation example for
3292 __builtin_types_compatible_p.
3294 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3296 PR rtl-optimization/28726
3297 * sched-deps.c (sched_analyze_reg): New function extracted from...
3298 (sched_analyze_1): ...here. Call it to analyze references to
3299 registers. Treat again writes to a stack register as writing to the
3301 (sched_analyze_2): ...and here. Call it to analyze references to
3302 registers. Treat again reads of a stack register as reading the
3305 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3306 David Edelsohn <edelsohn@gnu.org>
3309 * config/rs6000/spe.md (frob_df_di): Remove %H.
3310 (frob_di_df): Remove %H. Change evmergelo to mr.
3311 (frob_di_df_2): Remove %H. Change evldd to two loads.
3313 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3315 * doc/cpp.texi: Fix names of charset options.
3317 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3320 * config/i386/i386.c (override_options): Use 128-bit
3321 stack boundary always for 64bits.
3323 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3325 PR rtl-optimization/28636
3326 * combine.c (force_to_mode): Test for side-effects before
3327 substituting by zero.
3328 (simplify_shift_const): Likewise for zero or other constants.
3330 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3333 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3336 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3339 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3340 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3341 returned by mode_for_size, rather than the mode of src itself,
3342 to choose between 32-bit and 64-bit patterns.
3343 (mips_mem_fits_mode_p): New function.
3344 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3345 that the size of the source matches the size of the destination.
3346 (mov_<store>l, mov_<store>r): Likewise.
3348 2006-09-10 Eric Christopher <echristo@apple.com>
3350 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3353 2006-09-09 Eric Christopher <echristo@apple.com>
3356 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3359 2006-09-09 Roger Sayle <roger@eyesopen.com>
3360 Nicolas Setton <setton@adacore.com>
3362 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3364 2006-09-10 Andreas Schwab <schwab@suse.de>
3366 * config/m68k/m68k.md (bungt_rev): New pattern.
3368 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3369 Dale Johannesen <dalej@apple.com>
3372 * regclass.c (struct reg_pref): Update documentation.
3373 (regclass): Set prefclass to NO_REGS if memory is the best option.
3374 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3376 2006-09-08 Eric Christopher <echristo@apple.com>
3378 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3379 * config/t-slibgcc-darwin: Support x86_64 multilib.
3380 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3381 Return 1 for x86_64-darwin.
3382 * config/i386/t-darwin: Add m64 multilib.
3383 (LIB2_SIDITI_CONV_FUNCS): Use.
3384 (LIB2FUNCS_EXTRA): Ditto.
3385 * config/i386/darwin.h: Support x86_64.
3386 * config/i386/i386.c (override_options): Turn on flag_pic
3387 for x86_64-darwin. Disable flag_omit_pointer.
3388 (get_pc_thunk_name): Assert !TARGET_64BIT.
3389 (legitimate_address_p): Disable machopic addressing for
3391 (legitimize_pic_address): Ditto.
3392 (ix86_expand_move): Ditto.
3393 (ix86_expand_call): Ditto.
3394 (machopic_output_stub): Ditto.
3395 * config/darwin.c (machopic_select_section): Support literal16.
3396 (machopic_select_rtx_section): Ditto.
3397 * config/darwin-sections.def: Ditto.
3398 * config/darwin-64.c: New.
3400 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3403 * c-tree.h (struct c_arg_info): Add pending_sizes.
3404 * c-parser.c (c_parser_parms_declarator,
3405 c_parser_parms_list_declarator): Initialize pending_sizes.
3406 * c-decl.c (get_parm_info): Initialize pending_sizes.
3407 (get_parm_info): Set pending_sizes.
3408 (grokdeclarator): Call put_pending_sizes for parameters for
3409 function definition only.
3411 2006-09-07 Jason Merrill <jason@redhat.com>
3414 * varasm.c (output_constant): Only strip actual no-op conversions.
3417 * config/i386/i386.c (override_options): Use 128-bit
3418 stack boundary if -msse.
3420 2006-09-07 Eric Christopher <echristo@apple.com>
3422 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3424 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3427 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3429 * dwarf2out.c: Remove strange characters from comment above
3430 dwarf2out_frame_debug_expr.
3432 2006-09-07 Eric Christopher <echristo@apple.com>
3434 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3435 * config/darwin.h: ... to here.
3437 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3439 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3441 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3442 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3444 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3445 TARGET_PARTIAL_FLAG_REG_STALL.
3446 (*ashldi3_cconly_rex64): Likewise.
3447 (*ashlsi3_cmp): Likewise.
3448 (*ashlsi3_cconly): Likewise.
3449 (*ashlsi3_cmp_zext): Likewise.
3450 (*ashlhi3_cmp): Likewise.
3451 (*ashlhi3_cconly): Likewise.
3452 (*ashlqi3_cmp): Likewise.
3453 (*ashlqi3_cconly): Likewise.
3454 (*ashrdi3_cmp_rex64): Likewise.
3455 (*ashrdi3_cconly_rex64): Likewise.
3456 (*ashrsi3_cmp): Likewise.
3457 (*ashrsi3_cconly): Likewise.
3458 (*ashrsi3_cmp_zext): Likewise.
3459 (*ashrhi3_cmp): Likewise.
3460 (*ashrhi3_cconly): Likewise.
3461 (*ashrqi3_cmp): Likewise.
3462 (*ashrqi3_cconly): Likewise.
3463 (*lshrdi3_cmp_rex64): Likewise.
3464 (*lshrdi3_cconly_rex64): Likewise.
3465 (*lshrsi3_cmp): Likewise.
3466 (*lshrsi3_cconly): Likewise.
3467 (*lshrsi3_cmp_zext): Likewise.
3468 (*lshrhi3_cmp): Likewise.
3469 (*lshrhi3_cconly): Likewise.
3470 (*lshrqi2_cmp): Likewise.
3471 (*lshrqi2_cconly): Likewise.
3473 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3476 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3477 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3478 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3479 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3480 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3481 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3482 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3483 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3484 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3485 implement only CC setting effects of shift instructions.
3487 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3489 * doc/contrib.texi: Add myself.
3491 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3494 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3495 was set by the user.
3497 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3500 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3501 (divsi_inv_m1): Use them.
3502 (UNSPEC_DIV_INV_TABLE): New constant.
3504 2006-09-06 James E Wilson <wilson@specifix.com>
3507 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3508 then call count_or_remove_death_notes.
3510 2006-09-06 Jason Merrill <jason@redhat.com>
3513 * tree-inline.c (copy_result_decl_to_var): New fn.
3514 (declare_return_variable): Use it. Call declare_inline_vars here.
3515 (expand_call_inline): Not here.
3517 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3519 * doc/contrib.texi: Update my entry.
3521 2006-09-06 Nick Clifton <nickc@redhat.com>
3523 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3525 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3528 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3529 (canonicalize_induction_variables): Likewise.
3530 (tree_unroll_loops_completely): Likewise.
3531 (tree_ssa_prefetch_arrays): Likewise.
3532 (remove_empty_loops): Likewise.
3533 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3534 TODO_cleanup_cfg instead of directly calling
3535 cleanup_tree_cfg_loop.
3536 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3538 (tree_unroll_loops_completely): Likewise.
3539 (remove_empty_loops): Likewise.
3540 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3541 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3542 of tree_ssa_unswitch_loops.
3543 (tree_ssa_loop_ivcanon): Use the return value of
3544 canonicalize_induction_variables.
3545 (tree_ssa_empty_loop): Use the return value of
3547 (tree_complete_unroll): Use the return value of
3548 tree_unroll_loops_completely.
3549 (tree_ssa_loop_prefetch): Use the return value of
3550 tree_ssa_prefetch_arrays.
3551 * passes.c (execute_todo): Before Cleanup CFG, set
3552 updating_used_alone and after cleanup CFG, call
3553 recalculate_used_alone.
3555 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3558 * tree-vect-transform.c (vectorizable_condition): Move the check
3559 for the type after the check for simple condition.
3561 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3562 Kaz Kojima <kkojima@gcc.gnu.org>
3565 * mode-switching.c (optimize_mode_switching): Make the destination
3566 block of an abnormal edge have no anticipatable mode. Don't
3567 insert mode switching code at the end of the source block of
3570 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3572 PR rtl-optimization/26847
3573 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3574 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3575 (simplify_plus_minus): Count n_constants while filling ops. Replace
3576 qsort with insertion sort. Before going through the array to simplify
3577 pairs, sort it. Delay early exit until after the first sort, exiting
3578 only if no swaps occurred. Simplify pairs in reversed order, without
3579 special-casing the first iteration. Pack ops after simplifying pairs.
3581 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3583 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3584 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3585 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3586 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3588 2006-09-05 Richard Guenther <rguenther@suse.de>
3590 PR tree-optimization/28900
3591 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3592 compound conditional before creating COND_EXPR condition.
3594 2006-09-05 Richard Guenther <rguenther@suse.de>
3596 PR tree-optimization/28905
3597 * tree-vrp.c (fix_equivalence_set): Manually implement
3598 !value_ranges_intersect_p to also handle symbolic ranges.
3600 2006-09-05 Richard Guenther <rguenther@suse.de>
3603 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3606 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3608 PR rtl-optimization/27616
3609 * cse.c (table_size): New static variable.
3610 (new_basic_block): Initialize it to 0.
3611 (remove_from_table): Decrement it.
3612 (insert): Increment it.
3613 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3614 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3615 fold_rtx_mem_1 if under the cap.
3616 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3617 the lookup of the equivalent expression and test for equality of the
3618 first operand of the equivalent expression before in turn looking up
3619 an equivalent constant for the second operand.
3621 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3624 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3625 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3626 pointer, instead of assuming it is possible to derive the
3627 correct args size from a call insn.
3629 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3632 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3633 (fold_builtin_mempcpy): Rename to...
3634 (fold_builtin_memory_op): ... this. Optimize one element copy
3636 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3638 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3639 (expand_builtin_memcpy, expand_builtin_mempcpy,
3640 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3641 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3642 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3643 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3645 2006-09-01 DJ Delorie <dj@redhat.com>
3647 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3648 (stzx_16): Likewise.
3649 ("stzx_24_<mode>"): Likewise.
3650 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3651 ("cmp<mode>_op"): New.
3652 (cmp<mode>): Change to expander; just save operands.
3654 (b<code>): Change to expander, emit compare here.
3655 (s<code>_op): Change to use split and expander.
3656 (s<code>_24_op): Likewise.
3657 (s<code>_<mode>): New.
3658 (s<code>_<mode>_24): New.
3659 (movqicc_<code>_<mode): New.
3660 (movhicc_<code>_<mode>): New.
3663 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3664 (m32c_pend_compare): New.
3665 (m32c_unpend_compare): New.
3666 (m32c_expand_scc): New.
3667 (m32c_expand_movcc): Emit the compare also.
3668 * config/m32c/predicates.md (mra_nopp_operand): New.
3670 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3671 Richard Guenther <rguenther@suse.de>
3672 Adam Nemet <anemet@caviumnetworks.com>
3675 * builtins.c (get_pointer_alignment): Handle more forms
3676 of base addresses that can be used to derive more precise
3677 information about alignment.
3679 2006-09-01 Jason Merrill <jason@redhat.com>
3682 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3685 * gimplify.c (voidify_wrapper_expr): Handle null type.
3687 2006-09-01 Josh Conner <jconner@apple.com>
3690 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3691 (execute_return_slot_opt): Use it.
3693 2006-08-31 Josh Conner <jconner@apple.com>
3696 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3697 returning aggregates.
3699 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3701 PR tree-optimization/28839
3702 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3703 blocks in that phi arguments appear.
3705 2006-08-31 Roger Sayle <roger@eyesopen.com>
3708 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3709 NULL, otherwise use an advance_loc4 to adjust relative to the
3711 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3712 (dwarf2out_switch_text_section): Reset the current label to avoid
3713 using advance_loc4 over section boundaries.
3715 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3718 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3719 r12 + SYMBOLIC_CONST.
3721 2006-08-30 Richard Guenther <rguenther@suse.de>
3723 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3725 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3727 PR rtl-optimization/27735
3728 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3729 Add new argument to keep track of whether an irreducible region
3730 was affected. All callers changed.
3731 (fix_irreducible_loops): Removed.
3732 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3733 flags were invalidated.
3735 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3737 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3738 instead of SF operands.
3739 (*fop_df_comm_sse): Likewise.
3740 (*fop_df_comm_i387): Likewise.
3741 (*fop_df_1_mixed): Likewise.
3742 (*fop_df_1_sse): Likewise.
3744 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3745 J"orn Rennecke <joern.rennecke@st.com>
3747 PR tree-optimization/17506
3748 * tree-ssa.c (warn_uninit): If warning about a location outside of
3749 the current function, note where the variable was declared.
3751 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3753 PR tree-optimization/28411
3754 * double-int.c (double_int_div): Use double_int_divmod.
3755 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3756 double_int_mod, double_int_smod, double_int_umod): New functions.
3757 * double-int.h (double_int_divmod, double_int_sdivmod,
3758 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3760 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3762 (get_computation_aff, get_computation_cost_at): Handle double_int
3763 return type of constant_multiple_of.
3765 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3768 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3769 an implicit conversion.
3771 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3773 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3775 2006-08-27 Roger Sayle <roger@eyesopen.com>
3777 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3780 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3782 * config/i386/crtfastmath.c: Fix a comment typo.
3784 2006-08-26 Roger Sayle <roger@eyesopen.com>
3786 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3787 temporary visit flags on CASE_LABEL_EXPRs.
3788 * c-common.c (match_case_to_enum): Add function comment. Avoid
3789 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3790 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3791 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3792 a constant, only warn if that constant value isn't handled.
3794 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3797 * input.h (restore_input_file_stack): Declare.
3798 (INPUT_FILE_STACK_BITS): Define.
3799 * toplev.c (fs_p, input_file_stack_history,
3800 input_file_stack_restored, restore_input_file_stack): New.
3801 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3802 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3803 (pop_srcloc): Don't free old state of stack.
3805 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3808 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3809 (PowerPC Type Attributes): New.
3811 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3813 * config/xtensa/xtensa.c (function_arg_boundary): New.
3814 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3816 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3817 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3819 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3822 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3825 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3827 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3828 (verify_local_live_at_start): Likewise.
3830 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3833 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3834 omp_add_variable): Treat sizes as variable whenever not
3837 2006-08-26 Richard Guenther <rguenther@suse.de>
3840 * fold-const.c (fold_binary): Fold temporary to correct
3841 type before constructing new comparison.
3843 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3846 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3847 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3849 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3852 * c-decl.c (start_function): Don't try to process prototype
3853 information from old declaration that isn't a function.
3855 2006-08-25 Jan Hubicka <jh@suse.cz>
3858 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3860 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3863 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3866 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3868 PR tree-optimization/16876
3869 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3870 exit if PARM doesn't match VALUE.
3872 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3874 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3875 literal_prefix directive.
3876 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3877 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3878 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3880 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3883 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3884 predicate to general_operand. Add 0->y and I->r alternatives.
3886 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3888 * doc/tm.texi: Fix a typo.
3889 * predict.c: Fix comment typos.
3891 2006-08-25 Nick Clifton <nickc@redhat.com>
3893 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3894 assertions of "cpu" and "machine".
3896 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3899 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3900 the access through a base which has an alias set of 0 cannot
3903 2006-08-24 Bill Wendling <wendling@apple.com>
3905 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3907 2006-08-24 Jan Hubicka <jh@suse.cz>
3909 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3911 2006-08-24 Jan Hubicka <jh@suse.cz>
3914 * cgraph.c: Fix comments.
3915 (cgraph_varpool_mark_needed_node): Mark only variables not already
3917 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3918 (cgraph_varpool_assembled_nodes_queue): New static variable.
3919 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3920 (cgraph_varpool_output_debug_info): New function.
3921 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3922 * Makefile.in: Add gt-cgraphunit.h
3924 2006-08-24 Jan Hubicka <jh@suse.cz>
3926 * predict.c (probability_reliable_p): New predicate.
3927 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3928 (predict_loops): Do not predict loop exit with less than 2%
3930 * basic-block.h (edge_probability_reliable_p,
3931 br_prob_note_reliable_p): Declare.
3932 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3933 prediction when static predictor is not reliable.
3934 * rs6000.c (output_cbranch): Likewise.
3936 2006-08-23 Stuart Hastings <stuart@apple.com>
3939 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3940 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3942 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3945 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3946 complex values, nor for generic vector values.
3948 2006-08-22 Richard Guenther <rguenther@suse.de>
3951 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3952 parameter. Convert arguments to arithmetic expression to the
3954 (analyze_scalar_evolution_1): Adjust caller.
3956 2006-08-22 Jan Hubicka <jh@suse.cz>
3958 Patch by Paolo Bonzini
3959 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3962 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3964 PR tree-optimization/28003
3965 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3966 before grouping aliases.
3968 2006-08-22 Roger Sayle <roger@eyesopen.com>
3970 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3971 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3973 2006-08-21 Jason Merrill <jason@redhat.com>
3976 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3977 wrapper. Loop to handle nested wrappers.
3978 (gimplify_bind_expr): Remove temp parameter.
3979 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3980 and STATEMENT_LIST on the rhs.
3981 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3982 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3983 (gimplify_target_expr): Remove special BIND_EXPR handling.
3985 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3987 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3990 2006-08-21 Olivier Hainque <hainque@adacore.com>
3992 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3993 Arrange for the temporary captures of components overlapping the lhs
3994 to happen before the lhs is possibly cleared.
3996 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3998 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3999 necessary places to pass the correct "number of registers" values
4002 2006-08-20 Jan Hubicka <jh@suse.cz>
4004 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4005 (create_name_tags): Instead of quadratic checking use hashtable.
4006 * bitmap.h: Include hashtab.h.
4007 (bitmap_hash): Declare.
4008 * bitmap.c (bitmap_hash): New function.
4010 2006-08-20 Jan Hubicka <jh@suse.cz>
4012 PR rtl-optimization/28071
4013 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4015 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4016 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4017 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4018 cgraph_decide_inlining_incrementally): Update use of
4019 cgraph_check_inline_limits.
4020 * cgraph.c (edge_hash, edge_eq): New function.
4021 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4022 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4023 cgraph_remove_node): Maintain call site hash.
4024 * cgraph.h (struct cgraph_node): Add call_site_hash.
4025 (cgraph_set_call_stmt): New function.
4027 2006-08-20 Jan Hubicka <jh@suse.cz>
4029 PR rtl-optimization/28071
4030 * reload1.c (reg_has_output_reload): Turn into regset.
4031 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4032 choose_reload_regs, emit_reload_insns): Update to new
4033 reg_has_output_reload.
4035 2006-08-20 Jan Hubicka <jh@suse.cz>
4038 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4039 function body sizes.
4040 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4042 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4045 * tree.c (handle_dll_attribute): Return early if not a
4046 var or function decl.
4048 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4051 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4052 alignment of SPE vector types.
4054 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4056 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4058 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4061 * cgraph.h (struct cgraph_node): Remove externally_visible
4063 * cgraphunit.c (process_function_and_variable_attributes): Set
4064 local.externally_visible rather than externally_visible.
4067 * c-common.c (handle_externally_visible_attribute): First look
4068 at TREE_CODE and only if it is function or var decl, check for
4069 non-public objects. Don't warn for DECL_EXTERNAL.
4070 * cgraphunit.c (process_function_and_variable_attributes): Warn
4071 if externally_visible attribute is used on non-public object.
4073 2006-08-17 Jan Hubicka <jh@suse.cz>
4075 PR tree-optimization/27865
4076 * reload1.c (forget_marked_reloads): New function.
4077 (forget_old_reloads_1): When data are passed, just mark the registers
4079 (reload_as_needed): Use the new mechanizm.
4081 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4084 * reload.h (reg_equiv_alt_mem_list): New declaration.
4085 * reload1.c (reg_equiv_alt_mem_list): New definition.
4086 (reload): Initialize it and release it.
4087 (delete_output_reload): Use it.
4088 * reload.c (push_reg_equiv_alt_mem): New function.
4089 (find_reloads_toplev): Call it.
4090 (find_reloads_address, find_reloads_address_1): Likewise.
4091 (find_reloads_subreg_address): Likewise.
4093 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4095 PR rtl-optimization/28489
4096 * sched-ebb.c (begin_schedule_ready): Create basic block
4098 (advance_target_bb): Skip empty blocks.
4099 * haifa-sched.c (bb_note): Make global.
4100 * sched-int.h (bb_note): Add prototype.
4102 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4104 PR tree-optimization/27865
4105 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4107 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4108 fold_used_pointer, pointer_used_p): New functions.
4109 (analyze_scalar_evolution_1): Use fold_used_pointer.
4110 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4111 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4114 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4117 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4118 or the INTEGER_CST. Fail on a CALL_EXPR.
4119 (fold_offsetof): Pass new argument to fold_offsetof_1.
4120 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4121 operand into an INDIRECT_REF.
4122 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4124 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4126 PR gcov/profile/26570
4127 * value-prof.c (static_values): Removed.
4128 (tree_find_values_to_profile): Do not set static_values.
4129 (find_values_to_profile): Do not free static_values.
4130 * profile.c (instrument_values): Do not free the values.
4131 (branch_prob): Free the values.
4133 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4135 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4137 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4140 * c-typeck.c (build_component_ref): Combine qualifiers of
4141 structure or union and field.
4143 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4145 PR rtl-optimization/28071
4146 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4147 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4148 * tree-into-ssa.c (struct dom_dfsnum): New.
4149 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4151 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4152 compute_global_livein.
4153 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4154 in phi nodes in the correct blocks.
4156 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4158 PR tree-optimization/28364
4159 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4161 (fold_affine_expr): New function.
4162 (may_eliminate_iv): Use fold_affine_expr.
4164 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4167 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4170 2006-08-16 Mike Stump <mrs@apple.com>
4172 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4173 * doc/cppopts.texi (-MD): Likewise.
4175 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4178 * c-common.c (handle_weak_attribute): Ignore and warn if
4179 not a FUNCTION_ or VAR_DECL.
4181 2006-07-15 Mike Stump <mrs@apple.com>
4184 * c-parser.c (c_parser_typeof_specifier): Don't use
4185 c_finish_expr_stmt, open code desired semantics instead.
4187 2006-08-15 Nick Clifton <nickc@redhat.com>
4189 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4190 fragment to tmake_file only if threads are enabled.
4191 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4192 * config/i386/t-gthr-win32: New file. ... here.
4194 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4197 * c-parser.c (c_parser_compound_statement_nostart): Reset
4198 parser->error after each statement.
4200 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4203 * omp-low.c (lower_omp_parallel): Convert t to
4204 receiver_decl's type.
4205 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4206 source before comparison.
4209 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4210 to itype in assignment to oldival2.
4212 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4216 * c-typeck.c (build_compound_expr): If the second expression
4217 is an error mark, then just return an error mark instead of
4218 creating a COMPOUND_EXPR.
4220 2006-07-14 Mike Stump <mrs@apple.com>
4222 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4224 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4226 * c-decl.c, var-tracking.c: Fix comment typos.
4228 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4230 PR rtl-optimization/28634
4231 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4232 for floating-point modes unless flag_unsafe_math_optimizations.
4234 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4235 Andrew Pinski <pinskia@physics.uc.edu>
4238 * tree.c (build_array_type): Unify array types with
4239 unspecified index_type.
4240 * c-decl.c (grokdeclarator): Make sure we do not modify a
4241 unified incomplete array type.
4242 * c-typeck.c (store_init_value): Create distinct type before
4243 filling in the index type in an initializer from a compound
4246 * c-decl.c (grokdeclarator): Remove code where we copy the
4249 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4251 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4252 into account for TODO_dump_cgraph.
4253 (TODO_update_ssa_no_phi): Likewise.
4254 (TODO_update_ssa_full_phi): Likewise.
4255 (TODO_update_ssa_only_virtuals): Likewise.
4256 (TODO_remove_unused_locals): Likewise.
4257 (TODO_set_props): Likewise.
4258 (TODO_update_stmt_usage): Likewise.
4260 2006-08-13 Dirk Mueller <dmueller@suse.de>
4262 * c-common.c (strict_aliasing_warning): Fix formatting.
4264 2006-08-13 Matthias Klose <doko@debian.org>
4266 * doc/invoke.texi: Fix spelling errors.
4268 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4270 PR rtl-optimization/23454
4271 * reorg.c (relax_delay_slots): Update comment.
4273 2006-08-11 Richard Guenther <rguenther@suse.de>
4276 * simplify-rtx.c (simplify_const_relational_operation):
4277 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4280 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4282 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4283 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4285 2006-08-10 Paul Brook <paul@codesourcery.com>
4287 * final.c (final_scan_insn): Clear current_insn_predicate before
4288 outputting inline asm.
4290 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4292 PR tree-optimization/26197
4293 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4294 get_ref_base_and_extent and overlap_subvar to add only relevant
4295 subvars as may-aliases.
4296 (add_may_alias_for_new_tag): New function, factored out of
4298 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4299 with additional argument.
4300 * tree-flow.h (new_type_alias): Takes additional argument.
4302 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4304 * gcov.c (no_data_file): New flag.
4305 (read_count_file): Set it if data file not present. Assume counts
4307 (output_lines): Don't name the data file, if there wasn't one.
4309 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4311 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4312 (rs6000_generate_compare): Tweak comments.
4313 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4315 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4317 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4318 (var_debug_decl): New function.
4319 (var_reg_set): Follow debug decl link. Add location even if
4320 reg is already known to hold some other variable.
4321 (var_mem_set): Follow debug decl link.
4322 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4323 decl link. Delete other known locations of the variable part
4325 (var_reg_delete, var_mem_delete): Delete other known locations
4326 of the variable part if requested.
4327 (same_variable_part_p): New function.
4328 (add_stores): Select MO_COPY when appropriate.
4329 (vt_initialize): Handle it.
4330 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4331 known locations for MO_SET and MO_CLOBBER.
4332 (find_variable_location_part): New function.
4333 (set_variable_part, delete_variable_part): Use it.
4334 (clobber_variable_part): New function.
4335 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4338 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4340 PR tree-optimization/26969
4341 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4342 with an empty list of PHIs.
4344 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4348 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4351 2006-08-06 Andreas Schwab <schwab@suse.de>
4353 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4354 string. Whitespace and comment fixup.
4356 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4359 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4363 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4366 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4368 2006-08-04 Jan Hubicka <jh@suse.cz>
4372 * reload.c (push_reload): Patch out the mismatching instruction;
4374 (find_reload): Bail out if the instruction was patched out.
4376 2006-08-04 Jan Hubicka <jh@suse.cz>
4378 PR tree-optimization/24888
4379 * tree-inline.c (expand_call_inline): Do not re-record variables.
4380 (declare_inline_vars): Add variable to unexpanded_var_list.
4382 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4383 Roger Sayle <roger@eyesopen.com>
4385 PR rtl-optimization/26244
4386 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4387 inner_const are negative or greater than or equal to the bitsize of
4388 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4389 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4390 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4391 CONST0_RTX (mode) when the new shift count is greater than or equal to
4392 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4395 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4397 * tree-cfg.c: Fix a comment typo.
4399 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4402 * varasm.c (output_constant): Give the front end another chance to
4403 expand constants, after stripping NOPs.
4405 2006-08-03 Jan Hubicka <jh@suse.cz>
4407 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4410 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4412 PR tree-optimization/27770
4413 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4414 declaration removed (moved to tree-flow.h).
4415 (vect_can_force_dr_alignment_p): Likewise.
4416 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4417 (moved from tree-vectorizer.h).
4418 (vect_can_force_dr_alignment_p): Likewise.
4419 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4420 from outside the vectorizer - in particular from cgraph stage.
4421 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4422 the alignment of global arrays when -fsection-anchors is enabled.
4423 * cgraphunit.c (cgraph_increase_alignment): New function.
4424 (cgraph_optimize): Call cgraph_increase_alignment.
4426 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4429 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4430 not reload a SPE symbol_ref into a lo_sum address.
4432 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4435 * dwarf2out.c (prune_unused_types_prune): Move call to
4436 prune_unused_types_update_strings to cover the parent DIE also.
4438 2006-08-02 Jan Hubicka <jh@suse.cz>
4440 PR gcov/profile/28480
4441 * tree-cfg.c (change_bb_for_stmt): New function.
4442 (tree_merge_blocks, tree_split_blocks): Use it.
4444 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4450 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4451 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4452 (cgraph_optimize): Likewise.
4454 2006-08-01 Stuart Hastings <stuart@apple.com>
4456 * rtl.h (UINTVAL) New.
4457 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4458 * testsuite/gcc.dg/20060801-1.c: New.
4460 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4463 * c-typeck.c (build_external_type): Mark used enum types.
4464 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4466 (gen_subprogram_die): Whitespace fix.
4468 2006-08-01 Jan Hubicka <jh@suse.cz>
4470 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4471 bitmap when not needed.
4472 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4475 2006-08-01 Dirk Mueller <dmueller@suse.de>
4477 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4479 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4481 * Makefile.in: Revert part of previous patch:
4482 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4485 2006-07-30 Eric Christopher <echristo@apple.com>
4488 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4489 (PowerPC Variable Attributes): New section.
4491 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4493 PR target/28126 (partial fix)
4494 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4496 2006-07-28 Jan Hubicka <jh@suse.cz>
4498 PR rtl-optimization/28071
4499 * cfgrtl.c (rtl_delete_block): Free regsets.
4500 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4502 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4504 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4505 and variables used in dependencies.
4507 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4509 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4510 %fs for -mcmodel=kernel.
4511 (stack_tls_protect_test_di): Likewise.
4513 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4515 * Makefile.in: Use mkinstalldirs.
4517 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4520 * opts-common.c (prune_options): Skip joined switches.
4522 2006-07-27 Jan Hubicka <jh@suse.cz>
4524 PR rtl-optimization/28071
4525 * cselib.c (cselib_process_insn): Don't remove useless values too
4526 often for very large hashtables.
4528 2006-07-27 Jan Hubicka <jh@suse.cz>
4530 PR rtl-optimization/28071
4531 * global.c (greg_obstack): New obstack.
4532 (allocate_bb_info): Use it.
4533 (free_bb_info): Likewise.
4534 (modify_reg_pav): Likewise.
4536 2006-07-27 Roger Sayle <roger@eyesopen.com>
4538 * builtins.c (fold_fixed_mathfn): When long and long long are the
4539 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4540 functions to their lceil*, lfloor*, lround* and lrint* forms.
4542 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4545 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4547 (rev_branch_insn): Likewise.
4549 2006-07-27 Jan Hubicka <jh@suse.cz>
4551 PR rtl-optimization/28071
4552 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4553 (reg_set_in_bb, max_reg_computed): New static variables.
4554 (regmove_optimize): Free the new array.
4555 (fixup_match_1): Update call of reg_is_remote_constant_p.
4557 2006-07-26 Jan Hubicka <jh@suse.cz>
4559 PR tree-optimization/27882
4560 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4562 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4564 (cgraph_analyze_compilation_unit): Likewise.
4565 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4566 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4567 (cgraph_early_inlinine): Make order garbage collected.
4568 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4570 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4572 * dbxout.c (output_types_sort): Add a comment.
4573 (output_used_types): Free the VEC.
4575 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4577 * function.c (reorder_fix_fragments): Delete.
4578 (reorder_blocks): Don't call it.
4579 (reorder_blocks_1): Put all subblocks under the origin block.
4581 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4583 PR rtl-optimization/27907
4584 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4587 2006-07-25 Roger Sayle <roger@eyesopen.com>
4590 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4591 bar(x) check that bar's result type can represent all the values of T.
4593 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4595 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4597 2006-07-25 Nick Clifton <nickc@redhat.com>
4599 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4600 size_lookup[] array.
4601 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4602 (ggc_pch_count_object): Likewise.
4603 (ggc_pch_alloc_object): Likewise.
4604 (ggc_pch_write_object): Likewise.
4605 (init_ggc): Do not attempt to initialize entries in the
4606 size_lookup[] array for objects whose size is greater than than
4607 the length of the array.
4609 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4611 * dbxout.c (output_used_types_helper): Push queued types
4613 (output_types_sort): New.
4614 (output_used_types): Collect used types on a VEC and sort them
4617 2006-07-24 Richard Guenther <rguenther@suse.de>
4620 * cgraph.c (cgraph_remove_node): Do not check if dumps
4622 * cgraphunit.c (cgraph_optimize): Likewise.
4624 2006-07-24 Jan Hubicka <jh@suse.cz>
4626 PR rtl-optimization/28071
4627 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4628 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4629 splitting before first stmt.
4631 2006-07-24 Jan Hubicka <jh@suse.cz>
4633 PR rtl-optimization/28071
4634 * ipa-inline.c (update_caller_keys): Remove edges that
4635 are no longer inline candidates.
4637 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4640 * dbxout.c (output_used_types_helper, output_used_types): New.
4641 (dbxout_symbol): Call output_used_types.
4643 2006-07-23 Jan Hubicka <jh@suse.cz>
4647 * cgraph.c (cgraph_varpool_nodes): Export.
4648 (decide_is_variable_needed): Ignored "used" attribute in
4649 unit-at-a-time mode.
4650 * cgraph.h (cgraph_varpool_nodes): Declare.
4651 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4652 unit-at-a-time mode.
4654 2006-07-23 Roger Sayle <roger@eyesopen.com>
4657 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4658 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4659 the __gthrw form of thr_keycreate.
4660 (__gthread_key_delete): Silence the unused argument warning.
4662 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4665 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4666 Cache the last found '\0' marker to avoid quadratic behavior.
4668 2006-07-23 Jan Hubicka <jh@suse.cz>
4670 * i386.md (subsi_3_zext): Fix output template.
4672 2006-07-21 Mike Stump <mrs@apple.com>
4674 * doc/invoke.texi (C++ Dialect Options): Note that
4675 -fvisibility-inlines-hidden doesn't affect explicitly
4676 instantiationed inline methods.
4678 2006-07-20 Roger Sayle <roger@eyesopen.com>
4680 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4681 if the target assembler is GNU binutils' gas.
4682 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4683 whether to pass GNU gas or native as command line options.
4685 2006-07-20 Jason Merrill <jason@redhat.com>
4687 * tree.c (remove_attribute): New fn.
4688 * tree.h: Declare it.
4690 2006-07-20 Paul Brook <paul@codesourcery.com>
4693 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4694 they are invalidated by this instruction.
4696 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4699 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4701 2006-07-20 Eric Christopher <echristo@apple.com>
4704 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4706 2006-07-19 Eric Christopher <echristo@apple.com>
4708 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4709 Rewrite dependencies for libgcc_s.1.dylib.
4711 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4713 * except.c (duplicate_eh_regions_1): Clear next_peer.
4715 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4717 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4718 -mlongcall does not guarantee all calls will be long.
4719 * doc/extend.texi (long_call/short_call): Document that longcall
4720 does not guarantee a long call will be used.
4721 (longcall/shortcall): Likewise.
4723 2006-07-18 Roger Sayle <roger@eyesopen.com>
4726 * expmed.c (expand_shift): Additionally check that the shift_cost
4727 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4728 before implementing a LSHIFT_EXPR as a sequence of additions.
4729 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4730 middle-end that DImode shifts need to be synthesized by expand.
4732 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4735 * tree-ssa-operands.c (access_can_touch_variable): Update
4737 Return true if ALIAS is .GLOBAL_VAR.
4739 2006-07-18 David Daney <ddaney@avtrex.com>
4741 * gcc.c (display_help): Fix typo in help text.
4743 2006-07-18 Olivier Hainque <hainque@adacore.com>
4745 * tree.h (categorize_ctor_elements): Adjust prototype and add
4746 descriptive comment, both in accordance with the interface change
4748 * varasm.c (constructor_static_from_elts_p): New function.
4749 Whether a constructor node is a valid static constant initializer
4750 if all its elements are.
4751 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4752 * output.h: Declare it.
4753 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4754 is a valid constant initializer instead of computing the number of
4755 non-constant elements. Use constructor_static_from_elts_p for this
4756 purpose. Replace the head comment with an indication that this is a
4757 helper for categorize_ctor_elements.
4758 (categorize_ctor_elements): Same interface change as for the _1
4759 helper. Former head comment from this helper moved here, adjusted to
4760 account for the interface changes.
4761 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4762 (all_zeros_p): Likewise.
4763 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4764 static versions of the constructor from the categorize_ctor_elements
4765 return value instead of the formerly computed number of non-constant
4768 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4770 * configure: Regenerate.
4771 * Makefile.in (build_libsubdir): New configure substitution
4772 (build_libobjdir): New variable.
4773 (BUILD_LIBIBERTY): Use it.
4775 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4778 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4780 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4783 * c-common.c (handle_weakref_attribute): Ignore attribute in
4784 the same conditions the alias attribute is ignored.
4786 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4788 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4789 (dbxout_begin_prologue): Increment scope_labelno.
4791 2006-07-17 Richard Henderson <rth@redhat.com>
4794 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4797 2006-07-17 Roger Sayle <roger@eyesopen.com>
4798 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4800 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4801 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4802 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4803 functions such as sbrk, write, etc.. Add function prototypes.
4804 Convert function declarations from K&R to ISO C. Cast pointers
4805 to "long" and "unsigned long" instead of "int" and "unsigned int".
4806 Convert tokens following #endif into comments.
4808 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4810 * invoke.texi: Remove mention of f77; Reformat table for
4811 inline parameter options correctly; mention that -malign-double
4812 is default on x86-64 targets.
4814 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4816 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4817 (convert_affine_scev, chrec_convert_aggressive): Use
4818 avoid_arithmetics_in_type_p. Do not check for the subtypes
4821 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4824 * optabs.c (expand_doubleword_shift): Wrap the call to
4825 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4827 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4830 * optabs.c (expand_binop): Pass next_methods rather than methods
4831 to expand_doubleword_shift.
4833 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4836 * tree.h (dump_addr): Declare.
4837 * print-tree.c (dump_addr): New function.
4838 (print_node_brief, print_node): Use it.
4839 * print-rtl.c (print_rtx): Likewise.
4840 * common.opt (-fdump-noaddr): New option.
4841 * doc/invoke.texi (-fdump-noaddr): Document.
4842 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4843 (ve_info_hash): Likewise.
4845 2006-07-13 Andrew Haley <aph@redhat.com>
4847 PR tree-optimization/19505
4848 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4849 edge leaving this block, make sure that the destination of this
4850 block has only one predecessor.
4852 2006-07-17 Richard Guenther <rguenther@suse.de>
4854 PR tree-optimization/28238
4855 * tree-inline.c (copy_bb): Check if we produced valid
4856 gimple copying and substituting a stmt. If not, gimplify
4859 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4861 * optabs.c (maybe_encapsulate_block): New function extracted from...
4862 (emit_libcall_block): ...here. Invoke it on the block of insns to
4863 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4864 (emit_no_conflict_block): Likewise.
4866 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4868 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4870 2006-07-15 Roger Sayle <roger@eyesopen.com>
4872 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4873 a new NOP_EXPR case of the switch statement.
4875 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4878 * stor-layout.c (place_field): Take the bit field with
4879 an excessive size into account in the ms-bitfiled case.
4882 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4883 the previous bit field.
4885 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4888 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4890 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4892 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4893 signal frames correctly even when the signal was installed with
4896 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4898 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4899 (dbxout_function_end): Use local label LFBB. Remove hook
4901 (dbxout_source_line): Use local label LFBB.
4902 (dbxout_block): Likewise.
4903 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4904 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4905 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4906 and DBX_OUTPUT_NFUN.
4908 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4910 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4912 2006-07-13 Jan Hubicka <jh@suse.cz>
4914 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4916 * output.h (align_variable): Declare.
4917 * varasm.c (align_variable): Export.
4918 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4919 when basic block changed.
4921 2006-07-13 Nick Clifton <nickc@redhat.com>
4923 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4924 walking the LOG_LINKS chain.
4926 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4928 * doc/invoke.texi (C++ Dialect Options): Explain difference
4929 between -fvisibility-inlines-hidden and setting hidden
4930 visibility explicitly.
4932 2006-07-12 Eric Christopher <echristo@apple.com>
4934 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4935 (stmp-lipo): Depend on libgcc.a.
4937 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4939 * tree.c: Fix a comment typo.
4941 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4943 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4945 (umulhisi3_r): Likewise.
4947 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4950 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4951 x < 19, vs wchar_t support.
4953 2006-07-12 Nick Clifton <nickc@redhat.com>
4955 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4956 instead of -isa=sh4.
4958 2006-07-12 Mike Stump <mrs@apple.com>
4960 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4962 2006-07-10 Eric Christopher <echristo@apple.com>
4964 * config/t-slibgcc-darwin: Rewrite.
4966 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4969 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4972 2006-07-08 Matthias Klose <doko@debian.org>
4974 * doc/sourcebuild.texi: Fix typo.
4976 2006-07-07 Mike Stump <mrs@apple.com>
4978 * toplev.c (process_options): Don't give -ffunction-sections may
4979 affect debugging warning for Mach-O.
4981 2006-07-07 James E Wilson <wilson@specifix.com>
4983 * config/mips/mips.md (cpu): Add sb1a.
4984 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4985 addition to sb1. Adjust comments to clarify SB-1A differences from
4987 (ir_sb1a_load): New. Modify bypasses to use it.
4988 (ir_sb1a_simple_alu): Likewise.
4989 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4990 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4991 (mips_issue_rate): Add PROCESSOR_SB1A.
4992 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4993 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4994 (TARGET_SB1): Add PROCESSOR_SB1A check.
4995 (TUNE_SB1): Likewise.
4997 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4998 * config/mips/mips.c (mips_store_data_bypass_p): New.
4999 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5000 store_data_bypass_p.
5002 2006-07-08 Paul Brook <paul@codesourcery.com>
5005 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5007 2006-07-07 Richard Guenther <rguenther@suse.de>
5010 * tree.h (build_one_cst): Declare.
5011 * tree.c (build_one_cst): New function.
5012 * tree-ssa-math-opts.c (get_constant_one): Remove.
5013 (insert_reciprocals): Use build_one_cst.
5014 * fold-const.c (fold_plusminus_mult): Likewise.
5016 2006-07-07 Roger Sayle <roger@eyesopen.com>
5018 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5019 * cfgloopanal.c (dump_graph): Likewise.
5020 * dojump.c (discard_pending_stack_adjust): Likewise.
5021 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5023 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5024 * function.c (finalize_block_changes): Likewise.
5025 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5026 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5027 * rtl.c (dump_rtx_statistics): Likewise.
5028 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5030 * varray.c (dump_varray_statistics): Likewise.
5031 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5032 decode_decimal64, encode_decimal128, decode_decimal128,
5033 decimal_real_to_decimal): Likewise.
5035 2006-07-07 Richard Guenther <rguenther@suse.de>
5037 PR tree-optimization/28187
5038 * tree-vrp.c (vrp_operand_equal_p): New function.
5039 (vrp_bitmap_equal_p): Likewise.
5040 (update_value_range): Use them to compare old and new
5043 2006-07-06 Roger Sayle <roger@eyesopen.com>
5045 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5046 a default case to switch statement to silence compiler warnings.
5048 2006-07-06 Roger Sayle <roger@eyesopen.com>
5051 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5052 the configured assembler supports the x87's ffreep mnemonic.
5053 * configure: Regenerate.
5054 * config.in: Regenerate.
5056 * config/i386/i386.c (output_387_ffreep): New function.
5057 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5058 (output_387_reg_move): Likewise.
5060 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5062 Port to hosts whose 'sort' and 'tail' implementations
5063 treat operands with leading '+' as file names, as POSIX
5064 has required since 2001. However, make sure the code still
5065 works on pre-POSIX hosts.
5066 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5067 which says you should use "tail -c +N" rather than "tail +Nc".
5068 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5070 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5072 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5075 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5078 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5079 PRE_{INC,DEC} of TFmode.
5081 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5082 Alan Modra <amodra@bigpond.net.au>
5085 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5088 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5091 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5092 Remove duplicate gtu.
5094 2006-07-05 Jason Merrill <jason@redhat.com>
5098 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5099 * c-common.c (handle_packed_attribute): So don't copy it here.
5100 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5102 2006-07-05 Mike Stump <mrs@apple.com>
5104 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5106 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5109 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5111 2006-07-05 Richard Guenther <rguenther@suse.de>
5114 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5115 TARGET_SSE2 targets if using SSE math.
5116 (*absdf2_1): Likewise.
5118 2006-07-05 Richard Guenther <rguenther@suse.de>
5120 PR tree-optimization/28162
5121 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5122 make sure to convert the operands to the correct type.
5124 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5126 PR tree-optimization/28218
5128 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5129 to calculate and free the dominator information.
5131 2006-07-04 Peter O'Gorman <peter@pogma.com>
5133 * mklibgcc.in: chmod 644 before ranlib during install.
5135 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5136 J"orn Rennecke <joern.rennecke@st.com>
5138 * configure.ac (.eh_frame data check): Use diff -b.
5140 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5143 * Makefile.in (BUILD_RTL): Add build/vec.o.
5144 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5145 (build/genextract): Delete.
5146 (build/genautomata): Likewise.
5148 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5151 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5152 128-bit IBM long doubles for ABI_V4.
5154 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5156 * tree.c (range_in_array_bounds_p): New predicate.
5157 * tree.h (range_in_array_bounds_p): Declare it.
5158 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5159 return a less conservative answer.
5160 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5161 and flag 'is_group'.
5162 (IS_ELEMENT_FOR_GROUP): New macro.
5163 (FOR_EACH_ACTUAL_CHILD): Likewise.
5164 (next_child_for_group): New helper function.
5165 (can_completely_scalarize_p): Take into account groups.
5166 (sra_hash_tree): Handle RANGE_EXPR.
5167 (sra_elt_eq): Likewise.
5168 (lookup_element): Be prepared for handling groups.
5169 (is_valid_const_index): Delete.
5170 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5171 instead of is_valid_const_index.
5172 <ARRAY_RANGE_REF>: New case.
5173 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5174 is_valid_const_index.
5175 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5176 (scan_dump): Dump info for groups too.
5177 (decide_instantiation_1): Likewise.
5178 (decide_block_copy): Assert that the element is not a group.
5179 Propagate decision to groups.
5180 (generate_one_element_ref): Handle RANGE_EXPR.
5181 (mark_no_warning): Iterate over actual childs.
5182 (generate_copy_inout): Likewise.
5183 (generate_element_copy): Likewise.
5184 (generate_element_zero): Likewise.
5185 (generate_element_init_1): Likewise.
5186 (dump_sra_elt_name): Handle RANGE_EXPR.
5188 2006-07-03 Roger Sayle <roger@eyesopen.com>
5190 PR tree-optimization/26251
5191 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5192 (thread_block): When optimizing for size refuse to thread jumps
5193 that would require duplication of blocks other than redirection
5196 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5198 * configure.ac: Fix thinko in previous check-in.
5199 * configure: Regenerate.
5201 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5204 * configure.ac (for lang...): Simplify nesting of conditionals.
5205 Test subdir_requires for non-enabled languages. Move processing
5206 of lang_opt_files and lang_tree_fiels below that test.
5207 * configure: Regenerate.
5208 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5210 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5212 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5214 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5216 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5219 2006-06-29 Jason Merrill <jason@redhat.com>
5226 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5227 * c-common.c (c_determine_visibility): Handle it here.
5228 * c-decl.c (finish_decl): Call c_determine_visibility for
5230 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5232 * varasm.c (default_assemble_visibility): Likewise.
5233 * c-common.c (handle_visibility_attribute): Complain about trying
5234 to give visibility to an already defined class, or trying to change
5235 declared visibility. Always attach the attribute.
5240 * attribs.c (decl_attributes): Ignore type-in-place attributes
5241 once the type has been defined.
5243 2006-06-29 Roger Sayle <roger@eyesopen.com>
5246 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5247 to indicate the cpplib has issued an error message for us.
5249 2006-06-29 Asher Langton <langton2@llnl.gov>
5252 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5253 insert a label at the end of an function under Mach-O.
5255 2006-06-29 Eric Christopher <echristo@apple.com>
5256 Evan Cheng <evan.cheng@apple.com>
5258 * predicates.md (vector_all_ones_operand): New.
5259 (nonimmediate_or_sse_const_operand): Ditto.
5260 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5261 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5262 (standard_sse_mode_p): Ditto.
5263 (standard_sse_constant_p): Add case for -1 vector.
5264 (ix86_expand_vector_move): Try to use.
5265 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5266 Call standard_sse_constant_opcode.
5267 (*movv4sf_internal): Ditto.
5268 (*movv2df_internal): Ditto.
5270 2006-06-29 Roger Sayle <roger@eyesopen.com>
5272 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5273 of XEXP to extract the operands of a MATCH_CODE rtx.
5275 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5277 * tree.c (tree_size): Do not waste tail padding in
5278 struct tree_string and make the size be the same as
5279 build_string will generate.
5281 2006-06-28 Jason Merrill <jason@redhat.com>
5284 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5285 may_aliases already in the tag's annotations to the bitmap.
5287 2006-06-28 Roger Sayle <roger@eyesopen.com>
5289 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5291 2006-06-28 Roger Sayle <roger@eyesopen.com>
5293 * genpreds.c (generate_switch_p): New function.
5294 (add_mode_tests): Push the new mode test down inside an AND expr
5295 if this allows the switch-suitable MATCH_CODE to be near the root.
5296 (write_match_code_switch): New function to write a MATCH_CODE as
5298 (write_predicate_stmts): New function to write a predicate RTX
5299 expression as a sequence of statements.
5300 (write_one_predicate_function): Use write_predicate_stmts.
5301 (write_tm_constrs_h): Likewise.
5303 2006-06-26 Fred Fish <fnf@specifix.com>
5305 * config/mips/t-sb1: New file.
5306 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5309 2006-06-26 DJ Delorie <dj@redhat.com>
5311 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5313 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5314 Jayant Sonar <jayants@kpitcummins.com>
5315 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5317 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5318 (subsi3, subsi3_1, subsi3_2): New.
5319 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5320 * config/m32c/mov.md (SI mov peephole): New.
5321 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5322 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5324 2006-06-26 Olivier Hainque <hainque@adacore.com>
5326 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5327 a CALL_EXPR target function declaration.
5329 2006-06-26 Richard Guenther <rguenther@suse.de>
5331 * tree.c (build_string): Do not waste tail padding in
5334 2006-06-26 Richard Guenther <rguenther@suse.de>
5336 * ggc-page.c (init_ggc): Add missing element to size_lookup
5340 2006-06-23 Richard Guenther <rguenther@suse.de>
5342 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5343 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5344 alignment requests instead. Add verification code.
5345 Add struct tree_function_decl and struct tree_binfo size to
5346 extra_order_size_table. Add missing element to size_lookup
5349 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5352 * fold-const.c (const_binop): Be prepared for self returning zero.
5353 Simplify code handling complex values.
5355 2006-06-24 Olivier Hainque <hainque@adacore.com>
5357 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5358 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5361 2006-06-24 Olivier Hainque <hainque@adacore.com>
5363 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5364 ARRAY_REF, so have the callback called for the low bound expression.
5366 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5368 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5369 * c-typeck.c (c_common_type): Disallow operations on decimal float
5370 types and other float types.
5371 * convert.c (convert_to_real): Don't ignore conversions involving
5372 decimal float types.
5374 2006-06-23 Olivier Hainque <hainque@adacore.com>
5376 * tree.c (max_int_size_in_bytes): New function, inspired from
5377 code in function.c:assign_temp.
5378 * tree.h (max_int_size_in_bytes): Declare.
5379 * function.c (assign_temp): Use it.
5380 * gimplify.c (create_tmp_var): Relax the assertions on the type
5381 properties, not mandating constant size any more.
5382 (force_constant_size): New static function.
5383 (gimple_add_tmp_var): Use it, forcing variable size to a
5384 constant upper bound if it is not constant on entry.
5386 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5389 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5390 for initialization and setting of one_only flag to ...
5391 (i386_pe_encode_section_info): ...here.
5392 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5393 Recheck that the symbol has not been defined.
5395 2006-06-23 Richard Guenther <rguenther@suse.de>
5397 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5398 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5399 alignment requests instead. Add verification code.
5400 Add struct tree_function_decl and struct tree_binfo size to
5401 extra_order_size_table. Add missing element to size_lookup
5404 2006-06-22 Roger Sayle <roger@eyesopen.com>
5405 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5408 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5409 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5411 2006-06-23 Ben Elliston <bje@au.ibm.com>
5413 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5414 negate dn -- manipulate it directly.
5416 2006-06-22 Roger Sayle <roger@eyesopen.com>
5417 Steven Bosscher <stevenb.gcc@gmail.com>
5420 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5421 generated by gen_move_insn to add REG_LABEL notes if necessary.
5423 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5425 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5426 (leaf_entry): Remove use of MIN_ESA.
5428 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5430 PR rtl-optimization/28121
5431 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5434 2006-06-21 DJ Delorie <dj@redhat.com>
5436 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5438 (mulhisi3_r): Likewise.
5440 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5443 * coverage.c (coverage_counter_alloc): Leave the index type
5445 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5448 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5450 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5451 section from the "Options for Code Generation Conventions".
5453 2006-06-21 Richard Henderson <rth@redhat.com>
5457 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5459 (global_symbolic_operand): Allow weak symbols, even if local_p.
5461 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5463 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5464 (find_interesting_uses_address): Punt if above function returns true.
5466 2006-06-21 Richard Guenther <rguenther@suse.de>
5468 * configure: Regenerated.
5470 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5472 * config/mips/mips.c (function_arg): Where one part of a
5473 complex argument is in registers and the other part in the stack,
5474 return a REG not a PARALLEL.
5476 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5478 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5479 when cross-compiling. Do not substitute libstdcxx_incdir.
5480 * configure: Regenerated.
5482 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5484 * varasm.c (mergeable_string_section): Check for embedded NULs and
5485 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5486 rather than TREE_STRING_LENGTH bytes.
5488 2006-06-21 Richard Guenther <rguenther@suse.de>
5490 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5491 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5494 2006-06-21 Richrad Guenther <rguenther@suse.de>
5496 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5497 Limit iteration over the dominators.
5499 2006-06-20 Roger Sayle <roger@eyesopen.com>
5501 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5502 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5504 2006-06-20 Richard Guenther <rguenther@suse.de>
5505 Michael Matz <matz@suse.de>
5507 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5509 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5510 * et-forest.h (et_free_pools): Prototype new function.
5511 * et-forest.c (et_free_tree_force): Free parent occurrence.
5512 (et_free_pools): New function.
5513 * dominance.c (free_dominance_info): Free et-forest alloc
5516 2006-06-20 Roger Sayle <roger@eyesopen.com>
5518 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5519 integer modes, attempt to directly construct an integer constant.
5521 * fold-const.c (native_encode_vector): Determine the size of each
5522 element from the vector type instead of the first vector element.
5524 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5525 if all of its elements/components are constant.
5526 (build_constructor_from_list): Likewise.
5528 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5530 PR tree-optimization/27331
5531 * tree-data-ref.c (free_data_ref): New function.
5532 (create_data_ref): Fail if the data reference has unknown access
5534 (free_data_refs): Use free_data_ref.
5536 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5539 * tree-inline.c (setup_one_parameter): Strip useless
5540 type conversion before adding it to the IR.
5541 (declare_return_variable): Likewise.
5543 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5546 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5548 2006-06-19 Mike Stump <mrs@apple.com>
5550 * tree.c (variably_modified_type_p): VM arguments don't make the
5553 2006-06-19 Richard Guenther <rguenther@suse.de>
5555 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5556 type conversions after folding.
5558 2006-06-19 Richard Guenther <rguenther@suse.de>
5560 * ggc-page.c (extra_order_size_tab): Add entries with
5561 size of struct function and basic_block.
5562 (size_lookup): Extend to cover sizes up to 511.
5563 (ggc_alloc_stat): Adjust user.
5564 (ggc_pch_count_object): Likewise.
5565 (ggc_pch_alloc_object): Likewise.
5566 (ggc_pch_write_object): Likewise.
5568 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5570 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5571 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5574 2006-06-19 Denis Chertykov <denisc@overta.ru>
5576 * config/avr/libgcc.S : Correct my wrong previous commit.
5578 2006-06-19 Roger Sayle <roger@eyesopen.com>
5581 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5582 have stripped a SUBREG from the shift count, so we may need to
5583 convert_to_mode back to the type's mode before calling make_tree.
5584 Use new_amount instead of amount to avoid expanding a tree twice.
5586 2006-06-19 Richard Guenther <rguenther@suse.de>
5589 * fold-const.c (operand_equal_p): Check if the argument types
5590 have the same precision before stripping NOPs.
5592 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5594 Fix PR tree-optimization/27341
5595 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5597 * tree-complex.c (pass_lower_complex): Update SMT usage.
5599 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5601 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5602 Add a new alternative to the constraint strings. Add move of
5603 operand 1 to 3 to the splitter definition.
5604 ("doloop_si_long"): Second contraint alternative removed.
5606 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5608 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5609 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5611 (AVR_HAVE_MOVW) Define.
5612 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5613 (ASM_SPEC): Add avr25.
5614 (LINK_SPEC): Add avr25.
5615 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5616 (base_arch_s): Add new member 'have_movw_lpmx'.
5617 (avr_arch_types): Init 'have_movw_lpmx'.
5618 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5619 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5620 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5621 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5622 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5624 (avr_file_start): Do not output '.arh' derective.
5625 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5626 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5627 * config/avr/avr.md (mcu_enhanced): Delete.
5628 (mcu_have_movw): Define.
5629 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5630 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5631 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5632 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5633 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5634 attiny861 and at86rf401 devices.
5636 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5638 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5641 2006-06-17 Karl Berry <karl@gnu.org>
5643 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5644 doc/gccint.texi, doc/install.texi (@dircategory): Use
5645 "Software development" instead of "Programming", following
5646 the Free Software Directory.
5648 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5650 * config/i386/i386.c (legitimate_tls_address)
5651 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5652 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5653 (*tls_dynamic_gnu2_combine_64): Likewise.
5655 2006-06-16 Richard Guenther <rguenther@suse.de>
5658 * fold-const.c (negate_expr_p): Do not introduce undefined
5659 overflow in negating INTEGER_CSTs.
5660 (fold_negate_expr): Rename from negate_expr. Revert last
5661 change for folding BIT_NOT_EXPR. Change semantics to
5662 return NULL_TREE for non-simplified negations. Do not
5663 strip type conversions and unify type handling.
5664 (negate_expr): New function, wrap around fold_negate_expr
5665 but ensure building a tree always. Strip type conversions
5666 here, fold to result type.
5667 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5669 2006-06-16 Roger Sayle <roger@eyesopen.com>
5672 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5673 that (would) return their results in stack registers.
5675 2006-06-16 Michael Matz <matz@suse.de>
5676 Richard Guenther <rguenther@suse.de>
5678 * fold-const.c (fold_truthop): Only return new tree node if
5679 we canonicalized something.
5681 2006-06-16 Richard Guenther <rguenther@suse.de>
5683 * function.h (enum function_frequency): Move declaration
5684 out of struct function.
5685 (struct function): Move bool fields and the enum to the bitfield
5686 section. Reorder elements to avoid padding. Remove unused
5687 fields left over from the RTL inliner removal.
5688 * function.c (free_after_compilation): Do not zero removed fields.
5689 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5690 (ipa-type-escape.o): Likewise.
5692 2006-06-16 Richard Guenther <rguenther@suse.de>
5694 * cgraph.h (struct cgraph_local_info): Turn bool elements
5696 (struct cgraph_node): Likewise.
5697 (struct cgraph_varpool_node): Likewise.
5699 2006-06-15 Richard Guenther <rguenther@suse.de>
5701 * fold-const.c (fold_truth_not_expr): Rename from
5702 invert_truthvalue. Give it fold_* semantics to avoid
5704 (invert_truthvalue): New function. Wrapper around
5705 fold_truth_not_expr.
5706 (optimize_minmax_comparison): Avoid creating garbage.
5707 (fold_unary): Use fold_truth_not_expr for folding
5709 (fold_ternary): Replace uses of invert_truthvalue with
5710 fold_truth_not_expr where applicable.
5711 * tree.h (fold_truth_not_expr): Prototype.
5713 2006-06-16 Richard Guenther <rguenther@suse.de>
5715 PR tree-optimization/27781
5716 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5717 * ipa-pure-const.c (target.h): Include.
5718 (analyze_function): Do not analyze functions that do not
5721 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5724 * tree-dfa.c (referenced_vars_dup_list): Remove.
5725 (find_referenced_vars): Remove assert.
5726 (referenced_var_check_and_insert): Replace dup list with assert.
5727 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5728 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5730 2006-06-15 Richard Guenther <rguenther@suse.de>
5732 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5733 extra unused identifiers if not dumping.
5734 (create_variable_info_for): Likewise.
5736 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5738 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5739 (derive_constant_upper_bound): Derive more precise upper bound in
5740 common cases. Return type changed to double_int.
5741 (record_estimate): Reflect the changed return type of
5742 derive_constant_upper_bound.
5743 * double-int.c (double_int_zext, double_int_sext): Fix.
5745 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5747 * configure.ac (CFLAGS): Get them from the toplevel or from the
5748 configure invocation.
5749 * configure: Regenerate.
5750 * Makefile.in (CFLAGS): Substitute value provided by configure.
5752 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5755 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5756 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5757 rather than calling add_stmt on it.
5758 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5760 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5763 * reload1.c (reload): Remove registers returned by update_eliminables
5764 from used_spill_regs.
5766 2006-06-13 DJ Delorie <dj@redhat.com>
5768 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5770 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5772 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5773 html__strip_dir, html__mkdir_p. Enhance install-html target.
5774 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5775 * configure: Regenerate.
5777 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5779 * fold-const.c (fold_cond_expr_with_comparison): Check for
5780 Objective-C++ as language in deciding COND_EXPR transformation.
5782 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5785 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5786 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5787 * config/sh/lib1funcs.h (SL, SL1): Define.
5788 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5789 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5790 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5791 (OBJS_Os_4_200): New variable.
5792 ($(T)libgcc-Os-4-200.a): Use it.
5793 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5794 when dividing 1 and/or by 0.
5796 2006-06-13 Roger Sayle <roger@eyesopen.com>
5798 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5799 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5800 * configure: Regenerate.
5802 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5804 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5805 for real instruction.
5807 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5810 * haifa-sched.c (check_cfg): Handle special case.
5812 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5815 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5816 Add debug_info parameter. Chain the vars to the BLOCK instead
5817 of the BIND_EXPR if debug info are requested for them.
5818 (pop_gimplify_context): Adjust for above change.
5819 (gimple_add_tmp_var): Likewise.
5820 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5822 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5823 (convert_local_reference): Likewise.
5824 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5825 (finalize_nesting_tree_1): Request that debug info be emitted
5826 for debug_var_chain.
5828 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5830 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5831 for PR target/27863.
5833 2006-06-13 Richard Guenther <rguenther@suse.de>
5836 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5838 2006-06-13 Richard Guenther <rguenther@suse.de>
5840 PR tree-optimization/27830
5841 * tree-inline.c (copy_body_r): For copying the operand
5842 of an ADDR_EXPR make sure to fold &* afterwards.
5844 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5846 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5847 lvalues in the fb_none case with side-effects.
5849 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5851 * tree-flow.h: Remove the prototype for
5852 compute_phi_arg_on_exit.
5853 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5854 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5857 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5859 * builtins.c (expand_builtin_return_addr): Only use
5860 frame_pointer_rtx when count == 0 and we are expanding
5861 __builtin_return_address.
5863 2006-06-12 Fred Fish <fnf@specifix.com>
5865 * config/mips/mips.c (mips_file_start): Create special section
5866 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5868 2006-06-11 Eric Christopher <echristo@apple.com>
5871 * stor-layout.c (place_field): Remove check for
5872 remaining_in_alignment when aligning at the end of a run.
5874 2006-06-11 Eric Christopher <echristo@apple.com>
5877 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5880 2006-06-11 Roger Sayle <roger@eyesopen.com>
5883 Revert incorrect fix for PR target/27158
5884 2006-05-08 Roger Sayle <roger@eyesopen.com>
5885 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5886 of a reg_equiv_constant if the result is a legitimate constant.
5888 2006-06-11 Roger Sayle <roger@eyesopen.com>
5891 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5892 extract a CONST_VECTOR element and interpret it as an integer.
5893 (vspltis_constant): Use const_vector_elt_as_int instead of the
5894 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5895 * config/rs6000/predicates.md (easy_vector_const): Consider
5896 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5898 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5901 * stor-layout.c (update_alignment_for_field): Don't add extra
5902 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5905 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5907 * config/mips/t-rtems: Add EL/EB multilib variants.
5909 2006-06-09 Mike Stump <mrs@apple.com>
5911 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5913 2006-06-09 David Daney <ddaney@avtrex.com>
5915 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5917 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5919 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5921 2006-06-09 Richard Guenther <rguenther@suse.de>
5923 PR tree-optimization/26998
5924 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5925 of signed types, only TYPE_MIN_VALUE is special, but for both,
5926 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5927 in this case, as is -fwrapv.
5929 2006-06-08 Mike Stump <mrs@apple.com>
5932 * config/darwin.c (darwin_asm_output_anchor): Disable
5933 -fsection-anchors on darwin for now.
5934 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5935 * rs6000/rs6000.c (optimization_options): Likewise.
5937 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5940 * config/i386/i386.c (classify_argument): Skip fields with invalid
5943 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5945 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5946 (cse_insn): Likewise for the stack_pointer_rtx.
5948 2006-06-08 Roger Sayle <roger@eyesopen.com>
5950 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5951 conditions from floating point comparisons.
5953 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5956 * expmed.c (struct alg_hash_entry): Fix type of field T
5957 to match synth_mult argument.
5958 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5960 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5963 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5966 2006-06-08 Richard Guenther <rguenther@suse.de>
5969 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5970 only, if overflow is defined and not trapping.
5971 (negate_expr): Likewise.
5973 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5975 PR tree-optimization/27872
5976 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5977 flag on the new exit edge of the unrolled loop.
5979 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5981 PR rtl-optimization/26449
5982 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5984 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5987 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5988 referenced_variables with matching DECL_UID's.
5989 (find_referenced_vars): Make sure duplicate list is empty to start.
5990 (referenced_var_p): Remove.
5991 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5992 Check if var is in the list, and add if needed. Update the duplicate
5993 list if a different var is in the list with the same DECL_UID.
5994 (add_referenced_var): Call routine to check and insert.
5995 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5996 * tree-flow.h (referenced_vars_dup_list): External declaration.
5998 2006-06-07 Fred Fish <fnf@specifix.com>
6000 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6003 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6006 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6007 the imaginary and real parts of a clobbered register.
6008 Emit insn to set the imaginary part.
6010 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6012 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6013 in lieu of unwind-dw2-fde.c.
6015 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6017 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6019 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6022 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6023 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6024 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6025 V4SImode temporaries and operations instead.
6027 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6029 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6032 2006-06-06 Mike Stump <mrs@apple.com>
6034 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6035 installing during build.
6037 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6039 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6041 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6042 * config/ia64/ia64.c (params.h): New header.
6043 (ia64_optimization_options): New function to adjust parameters.
6044 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6045 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6046 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6048 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6050 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6052 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6055 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6057 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6058 Victor Kaplansky <victork@il.ibm.com>
6060 PR tree-optimization/26360
6061 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6064 2006-06-04 Roger Sayle <roger@eyesopen.com>
6065 Andrew Pinski <pinskia@physics.uc.edu>
6068 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6069 for LABEL_DECL before calling DECL_WEAK.
6072 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6073 LABEL_DECL and PARM_DECL.
6075 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6079 * c-decl.c (grokdeclarator): Disallow variably modified types at
6080 file scope. Avoid marking shared array type of constant size as
6083 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6086 * c-common.c (fold_offsetof_1): Handle static members.
6088 2006-06-04 Eric Christopher <echristo@apple.com>
6090 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6091 (debug_rli): Output value for remaining_in_alignment.
6092 (update_alignment_for_field): Unconditionalize
6093 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6094 extra alignment code.
6095 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6096 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6097 * tree.h (record_layout_info_s): Remove prev_packed.
6098 * doc/extend.texi (ms_struct): Add documentation of format.
6100 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6102 * tree.h: Declare folding_initializer.
6103 * builtins.c (fold_builtin_constant_p): Give definite answer
6104 if folding inside an initializer.
6105 * fold-const.c: Define folding_initializer.
6106 (START_FOLD_INIT): Save and then set folding_initializer.
6107 (END_FOLD_INIT): Restore folding_initializer.
6109 2006-06-04 Richard Guenther <rguenther@suse.de>
6111 PR tree-optimization/27039
6112 * fold-const.c (fold_comparison): Handle pointer comparison
6113 again for all comparison codes. Compare offsets in signed
6115 (fold_binary): Move code from here.
6117 2006-06-03 Roger Sayle <roger@eyesopen.com>
6120 * config/i386/i386.c (construct_container): Split static issued_error
6121 flag into issued_sse_arg_error, issued_sse_ret_error and
6122 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6123 requires the use of x87 registers and the user explicitly
6124 specified the -mno-80387 command line option.
6126 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6128 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6129 HAVE_DECL_SIGALTSTACK.
6131 (segv_handler): Use MC_FLD.
6132 * configure.ac: Check for a sigaltstack declaration.
6133 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6134 * configure: Regenerate.
6135 * config.in: Regenerate.
6137 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6140 * Makefile.in (stmp-fixinc): Fix typo.
6142 2006-06-02 Roger Sayle <roger@eyesopen.com>
6144 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6145 are type correct. Clean-up.
6146 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6147 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6149 2006-06-01 DJ Delorie <dj@redhat.com>
6151 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6152 shift, as we've disabled the "switch" insn that needs it.
6154 2006-06-01 Per Bothner <bothner@bothner.com>
6156 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6157 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6158 * c-ppoutput.c (cb_define): Don't increment line 0.
6160 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6162 * doc/invoke.texi: Add cpu_type power6.
6163 * config.gcc: Add cpu_type power6.
6164 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6165 to power5+ with Altivec.
6166 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6167 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6169 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6171 * config/avr/avr.h (SET_ASM_OP): Define.
6173 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6175 * config/bfin/bfin.c: Fix comment typos.
6177 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6180 * doc/install.texi: Document --enable-bootstrap and
6181 --disable-bootstrap.
6183 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6185 * doc/install.texi: Document that InfoZIP can replace jar.
6187 2006-05-31 Roger Sayle <roger@eyesopen.com>
6189 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6190 isn't available, directly generate the simpler x87 patterns without
6191 the (use (const_int 0)).
6192 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6193 implementation isn't available.
6194 (*negdf2_1): Likewise.
6195 (*negxf2_1): XF mode negation is always done using the x87.
6196 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6198 2006-05-31 Roger Sayle <roger@eyesopen.com>
6200 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6201 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6203 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6205 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6207 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6208 * config/bfin/bfin.c (basic-block.h): Include.
6209 (struct machine_function): New.
6210 (bfin_init_machine_status): New.
6211 (override_options): Initialize init_machine_status.
6212 (bfin_hardware_loop): New.
6213 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6214 (DEF_VEC_P (loop_info)): New.
6215 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6216 (struct loop_info): New.
6217 (loop_info): New typedef.
6218 (struct loop_work): New.
6219 (loop_work): New typedef.
6220 (DEF_VEC_O (loop_work)): New.
6221 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6222 (bfin_dump_loops): New.
6223 (bfin_bb_in_loop): New.
6224 (bfin_scan_loop): New.
6225 (bfin_optimize_loop): New.
6226 (bfin_reorg_loops): New.
6227 (bfin_reorg): Use bfin_reorg_loops.
6228 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6230 (I_REGNO_P): Simplify.
6231 (DP_REGNO_P, DPREG_P): New macros.
6232 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6233 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6234 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6235 Add LT_REGS, LC_REGS, LB_REGS.
6236 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6238 (REGNO_REG_CLASS): Deal with loop registers.
6239 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6241 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6242 New constants for loop registers.
6243 (UNSPEC_LSETUP_END): New.
6244 (seq_insns): New define_attr. Set it for appropriate insns.
6245 (movsi_insn): Add alternatives for move from/to
6246 loop count registers.
6247 (doloop_end): New define_expand.
6248 (loop_end): New define_insn.
6249 (define_split for bad doloop_end): New.
6250 (lsetup_with_autoinit): New define_insn.
6251 (lsetup_without_autoinit): New define_insn.
6252 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6253 * config/bfin/predicates.md (lc_register_operand): New.
6254 (lt_register_operand): New.
6255 (lb_register_operand): New.
6256 (nondp_register_operand): New.
6257 (nondp_reg_or_memory_operand): New.
6258 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6260 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6262 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6263 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6265 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6267 * Makefile.in (CATALOGS): Add po/ prefix.
6268 * configure: Regenerated.
6270 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6273 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6274 a shift operand before calling shift_op. Avoid redundant call of
6277 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6278 DJ Delorie <dj@redhat.com>
6280 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6281 we're inserting is a singlt-bit constant.
6283 2006-05-30 Roger Sayle <roger@eyesopen.com>
6285 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6286 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6288 2006-05-30 Roger Sayle <roger@eyesopen.com>
6290 PR tree-optimization/23452
6291 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6292 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6293 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6294 complex values and with -ffast-math for FP complex values.
6296 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6298 * c-common.h: Remove the prototype for yyparse.
6299 * rtl.h: Remove the prototype for init_loop.
6301 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6303 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6306 2006-05-30 Roger Sayle <roger@eyesopen.com>
6308 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6310 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6311 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6313 2006-05-30 Dirk Mueller <dmueller@suse.de>
6316 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6317 for CONSTANT_CLASS_P expresisons.
6319 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6322 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6324 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6326 PR tree-optimization/27779
6327 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6328 initial_condition instead of CHREC_LEFT.
6330 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6332 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6333 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6334 Make prototypes ISO C90.
6336 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6337 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6339 * see.c (see_analyze_one_def): Correct check.
6340 (see_get_extension_data): Check if extension is parallel.
6341 (see_get_extension_reg): Likewise.
6343 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6346 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6347 into register for (code == GTU).
6349 2006-05-29 Roger Sayle <roger@eyesopen.com>
6351 PR tree-optimization/24964
6352 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6353 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6354 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6355 abs(x)*abs(x) as x*x for scalar floating point modes.
6357 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6360 * lambda-code.c (perfect_nestify): Don't copy statements
6361 in the inner loop: move them to the inner loop header.
6363 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6366 * c-tree.texi: Document OpenMP directives and clauses.
6368 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6370 * varasm.c (globalize_decl): Fix indentation.
6372 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6375 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6376 pass_fre, pass_store_ccp, pass_copy_prop,
6377 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6378 pass_return_slot, pass_object_size, pass_lim,
6379 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6380 pass_loop_prefetch and pass_stdarg.
6382 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6384 * config/bfin/bfin.opt (mfdpic): New option.
6385 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6386 (EXTRA_MULTILIB_PARTS): Likewise.
6387 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6388 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6390 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6391 (CRT_CALL_STATIC_FUNCTION): New.
6392 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6394 (CRT_CALL_STATIC_FUNCTION): New.
6395 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6397 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6398 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6399 (initialize_trampoline): Changed to handle FD-PIC code generation.
6400 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6401 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6402 (override_options): Disallow -mid-shared-library -mfdpic combination.
6403 Can't do unaligned ops if FD-PIC.
6404 Turn off flag_pic if trying to generate non-id-shared-library
6405 non-fdpic code, since it's not supported.
6406 (bfin_assemble_integer): New function.
6407 (TARGET_ASM_INTEGER): Define.
6408 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6410 * config/bfin/crtn.s: Restore them.
6411 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6413 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6414 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6415 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6416 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6417 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6419 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6420 FDPIC_REGS and FDPIC_FPTR_REGS.
6421 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6422 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6423 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6424 (load_funcdescsi): New pattern.
6425 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6426 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6427 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6429 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6431 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6434 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6436 * tree-flow.h: Remove the prototype for add_type_alias.
6437 * tree-ssa-alias.c (add_type_alias): Remove.
6439 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6441 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6442 config/fr30/fr30.md, config/i386/i386-interix.h,
6443 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6444 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6445 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6446 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6447 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6448 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6449 Follow spelling conventions.
6450 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6451 Follow spelling conventions.
6453 2006-05-27 Richard Guenther <rguenther@suse.de>
6456 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6457 to produce a constant of value 1 of generic type.
6459 2006-05-27 Dirk Mueller <dmueller@suse.de>
6461 * cgraphunit.c (decide_is_function_needed): Fix wrong
6464 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6466 PR rtl-optimization/27661
6467 * reload.c (find_reloads): When reloading a VOIDmode constant
6468 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6469 use Pmode as mode of the reload register.
6471 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6473 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6474 is enabled at -O and above.
6476 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6479 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6482 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6485 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6486 for anonymous variables explicitly declared by front ends.
6488 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6490 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6491 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6492 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6493 ref-all pointers, run a finalization pass for them.
6494 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6495 (finalize_ref_all_pointers): New function.
6496 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6497 regular pointer type to a ref-all pointer type.
6498 (get_tmt_for): Return the special memory tag for ref-all pointers.
6500 2006-05-25 Richard Guenther <rguenther@suse.de>
6503 * fold-const.c (fold_binary): Do not look at the stripped
6504 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6506 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6508 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6509 for LT and GT if the computed range is effectively empty.
6511 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6514 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6515 mips_quad_format formats instead of ieee_single_format,
6516 ieee_double_format and ieee_quad_format formats, respectively.
6518 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6520 PR tree-optimization/27639
6521 PR tree-optimization/26719
6522 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6523 call to scev_probably_wraps_p.
6524 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6525 used_in_pointer_arithmetic_p, convert_step): Removed.
6526 (nowrap_type_p): New function.
6527 (scev_probably_wraps_p): Rewritten.
6528 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6529 chrec_convert if chrec_convert_aggressive might have been used.
6530 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6531 scev_direction): New functions.
6532 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6533 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6534 instead of convert_step.
6535 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6536 (convert_step): Declaration removed.
6537 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6539 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6541 * df-core.c: Added to header comments.
6542 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6543 df_ur_bb_info, df_urec_bb_info): Added comments.
6544 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6545 urec, ri problems): Fixed header comments.
6546 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6547 code from df_rd_transfer_function.
6549 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6551 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6552 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6553 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6555 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6557 * expr.c (undefined_operand_subword_p): New.
6558 (emit_move_multi_word): Do not generate move from undefined bits
6559 of a paradoxical subreg.
6561 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6563 PR rtl-optimization/27736
6564 * combine.c (replaced_rhs_value): New variable.
6565 (combine_instructions): Set it.
6566 (distribute_notes): When distributing a note in replaced_rhs_insn,
6567 check whether the value was used in replaced_rhs_value.
6569 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6572 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6573 add_referenced_var instead of add_referenced_tmp_var.
6574 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6575 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6577 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6578 tree_optimize_tail_calls_1): Use add_referenced_var.
6579 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6580 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6581 Use add_referenced_var.
6582 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6583 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6584 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6585 Use add_referenced_var.
6586 * tree-dfa.c (struct walk_state): Remove.
6587 (find_referenced_vars): Remove walk state and vars_found hash table.
6588 (make_rename_temp): Use add_referenced_var.
6589 (find_vars_r): Pass less parameters to add_referenced_var.
6590 (referenced_var_p): New. Is var in referenced_var hash table.
6591 (referenced_var_insert): Assert var isn't already in hash table.
6592 (add_referenced_var): Don't need walk_state parameter. Add var if it
6593 isn't already in the hash table.
6594 (add_referenced_tmp_var): Remove.
6595 (find_new_referenced_vars_1): Use add_referenced_var.
6596 * tree-ssa-pre.c (create_expression_by_pieces,
6597 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6598 Use add_referenced_var.
6599 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6600 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6601 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6603 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6604 vect_create_data_ref_ptr, vect_create_destination_var,
6605 vect_init_vector, vect_build_loop_niters,
6606 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6607 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6608 Use add_referenced_var.
6609 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6610 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6611 (add_referenced_var): Add prototype.
6612 * tree-ssa-structalias.c (get_constraint_for,
6613 intra_create_variable_infos): Use add_referenced_var.
6615 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6617 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6618 big-endian paradoxical subregs.
6619 * var-tracking.c (struct micro_operation_def): Document that,
6620 for modify micro operations, insn is the subsequent instruction.
6621 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6622 (var_reg_set, var_mem_set): ... new functions.
6623 (add_stores): Record subsequent insn.
6624 (compute_bb_dataflow): Use new functions for MO_USE.
6625 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6626 notes after the insn, and modify notes before the insn known
6627 to be the subsequent one.
6628 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6630 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6633 * config/i386/i386.c (ix86_expand_builtin): Use
6634 gen_sse3_monitor64 for TARGET_64BIT.
6636 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6638 PR rtl-optimization/26375
6639 PR rtl-optimization/26855
6640 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6642 (df_ru_bb_local_compute): Reversed statements and removed bogus
6643 comment explaining why they should be in wrong order.
6644 (df_ru_dump, df_rd_dump): Enhanced debug info.
6645 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6647 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6648 reaching uses and fixed space problem.
6650 2006-05-23 Jan Hubicka <jh@suse.cz>
6652 * cgraphunit.c (decide_is_function_needed): Also nested functions
6653 and functions declared inline can be optimized out at -O0.
6655 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6657 * doc/install.texi (Configuration): Remove reference to CrossGCC
6661 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6664 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6665 ix86_compare_emitted is non-NULL.
6667 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6670 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6673 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6675 PR rtl-optimization/25514
6676 * combine.c (replaced_rhs_insn): New variable.
6677 (combine_instructions): Set replaced_rhs_insn when trying to replace
6678 a SET_SRC with a REG_EQUAL note.
6679 (distribute_notes): Use replaced_rhs_insn when determining the live
6680 range of a REG_DEAD register.
6682 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6683 Anatoly Sokolov <aesok@post.ru>
6685 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6686 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6687 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6688 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6689 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6690 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6691 at90usb647, at90usb1286 and at90usb1287 devices.
6692 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6693 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6695 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6697 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6699 2006-05-22 Richard Guenther <rguenther@suse.de>
6702 2006-01-31 Richard Guenther <rguenther@suse.de>
6703 Paolo Bonzini <bonzini@gnu.org>
6705 * doc/install.texi (--disable-libgcc-math): Document.
6707 2006-05-22 Richard Guenther <rguenther@suse.de>
6710 2006-01-31 Richard Guenther <rguenther@suse.de>
6712 * doc/invoke.texi (-msselibm): Document.
6713 * target.h (expand_library_builtin): New target hook.
6714 * builtins.c (expand_builtin): Use expand_library_builtin.
6715 (default_expand_library_builtin): New function.
6716 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6717 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6718 (link_gcc_math_spec): Declare.
6719 (static_specs): Add link_gcc_math_spec.
6720 * expr.h (default_expand_library_builtin): Declare.
6721 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6722 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6723 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6724 * config/i386/i386.opt (msselibm): New target option.
6725 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6726 (ix86_init_sse_abi_builtins): New function.
6727 (ix86_expand_library_builtin): Likewise.
6728 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6729 (override_options): Handle error conditions wrt -msselibm.
6730 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6731 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6732 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6735 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6738 * c-common.c (self_promoting_args_p): Skip erroneous args.
6741 * c-decl.c (finish_struct): Skip erroneous fields.
6743 2006-05-22 Nick Clifton <nickc@redhat.com>
6745 * config/cris/cris.opt (march): Remove VarExists attribute.
6746 (max-stackframe=): Likewise.
6748 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6750 * doc/rtl.texi: Fix a typo.
6751 * see.c: Fix comment typos.
6753 * tree-ssa-structalias.h (alias_info): Remove num_references.
6755 2006-05-21 Mike Stump <mrs@apple.com>
6757 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6759 (darwin_pragma_options): Use BAD instead.
6760 (darwin_pragma_unused): Likewise.
6761 (darwin_pragma_ms_struct): Likewise.
6763 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6765 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6767 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6769 PR rtl-optimization/27671
6770 * simplify-rtx.c (simplify_relational_operation_1): Fix
6771 simplifications of (eq/ne (xor x y) y) and
6772 (eq/ne (xor x y) x).
6774 PR tree-optimization/26622.
6775 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6778 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6780 * tree-cfg.c: Prune whitespace.
6781 (debug_tree_cfg): Point to correct header containing the
6784 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6787 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6789 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6792 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6793 or sorry count is non zero.
6795 2006-05-20 Andreas Schwab <schwab@suse.de>
6797 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6799 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6800 Kenneth Zadeck <zadeck@naturalbridge.com>
6802 PR rtl-optimization/26855
6804 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6806 (df_scan_alloc): Added code to properly handle multiword hard
6807 registers and add all_blocks parameter.
6808 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6809 code to properly handle multiword hard registers.
6810 (df_rescan_blocks): Added code to remove deleted blocks from
6812 (df_ref_create_structure, df_ref_record): Added code to properly
6814 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6815 and set DF_REF_PARTIAL.
6816 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6817 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6818 (df_scan_add_problem): Added flags parameter.
6819 (df_ref_create_structure): Changed switching structure.
6820 (df_bb_refs_record): Fixed case where duplicate artificial refs
6821 were created. Changed location of flags.
6822 (df_record_entry_block_defs): Added code to make stack pointer
6823 live in entry block. Refined cases where frame pointer is needed.
6824 Changed location of flags.
6825 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6826 (df_set_state): Removed function.
6827 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6828 df_insn_create_insn_record, df_insn_refs_delete,
6829 df_ref_create_structure): Formatting changes.
6830 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6831 df_delete_basic_block): New function.
6832 (df_init): Changed location of flags.
6833 (df_add_problem): Added flags parameter and the way flags are
6835 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6836 debug_df_chain): Improved debugging output.
6837 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6838 (df_refs_chain_dump): Removed df parameter.
6839 (df_iterative_dataflow): Added consistency check.
6840 (df_prune_to_subcfg): Made public.
6841 (df_analyze_problem): Added blocks_to_init parameter and made
6843 (df_ref_record, df_bb_refs_record, df_mark_reg,
6844 df_record_exit_block_uses): Whitespace changes.
6845 (df_dump): Whitespace changes.
6846 * df.h: Some reordering to remove forward references.
6847 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6848 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6849 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6850 (dataflow.flags): New field.
6851 (df.flag): Deleted field.
6852 (df_alloc_function): Added additional bitmap parameter.
6853 (df_dependent_problem_function): New type.
6854 (df_problem.changeable_flags): New field.
6855 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6856 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6857 (df_mw_hardreg): New struct.
6858 (DF_INSN_UID_MWS): New macro.
6859 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6861 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6862 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6863 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6864 (df_set_state): Removed function.
6865 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6866 * df-problems.c (df_chain_dump): Removed df parameter.
6867 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6868 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6870 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6871 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6872 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6873 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6874 DF_REF_MUST_CLOBBER cases.
6875 (df_ru_bb_local_compute_process_def,
6876 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6877 df_lr_bb_local_compute, df_ur_bb_local_compute,
6878 df_chain_create_bb): Made subreg aware.
6879 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6880 df_lr_bb_local_compute, df_lr_bb_local_compute,
6881 df_chain_create_bb): Cleanup to use proper macros.
6882 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6883 code to fixup bitvectors.
6884 (df_ri_alloc): Cleared lifetime.
6885 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6886 df_create_unused_note): New function.
6887 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6888 REG_DEAD and REG_UNUSED notes as well as register information.
6889 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6890 df_chains_dump): Fixed crash if problem was never run.
6891 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6892 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6893 df_ri_add_problem): Processes flags in uniform manner.
6894 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6895 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6896 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6897 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6898 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6899 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6900 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6901 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6902 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6903 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6904 * see.c (see_initialize_data): Ditto.
6905 * final.c (rest_of_clean_state) Added regstack_completed.
6906 * rtl.h (regstack_completed): Ditto.
6907 * reg-stack.c (regstack_completed): Ditto.
6909 2006-05-19 Mike Stump <mrs@apple.com>
6911 * c-tree.h (default_conversion): Remove.
6912 * c-common.h (default_conversion): Add.
6914 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6916 * tree-vrp.c (valid_value_p): New function.
6917 (adjust_range_with_scev): Fail if the value of bound is not
6920 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6922 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6923 (mips_fallback_frame_state): Use syscall numbers to determine
6924 the appropriate li instruction for the current ABI. Only use
6925 __NR_sigreturn for o32.
6927 2006-05-19 Nicolas Setton <setton@adacore.com>
6929 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6930 * langhooks.c (lhd_dwarf_name): New function.
6931 * langhooks-def.h (lhd_dwarf_name): Declare.
6932 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6933 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6934 * ada/misc.c (gnat_dwarf_name): New function.
6935 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6937 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6939 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6941 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6942 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6943 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6944 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6945 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6946 determine the size of Wtype, etc.
6947 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6948 (swfloatfuncs): New variable.
6949 (dwfloatfuncs): Likewise.
6950 (lib2funcs): Remove floating-point conversion functions from
6951 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6952 the set of conversion routines needed. Allow entries to specify
6953 an object name, filename and word size. Update users accordingly.
6954 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6955 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6959 2006-02-08 Roger Sayle <roger@eyesopen.com>
6962 * config/fixtfdi.c: New libgcc source file.
6963 * config/fixunstfdi.c: New source file.
6964 * config/floatditf.c: New source file.
6965 * config/floatunditf.c: New souce file.
6966 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6967 files above instead of config/mips/_tilib.c.
6968 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6970 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6972 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6973 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6975 2006-05-18 Mike Stump <mrs@apple.com>
6977 Fix up vla, vm and [*] sematics.
6983 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6984 (c_vla_unspec_p): Add.
6985 (c_vla_type_p): Add.
6986 * c-decl.c (struct c_scope): Add had_vla_unspec.
6987 (build_array_declarator): Add support for [*].
6988 (grokdeclarator): Likewise.
6989 (grokparms): Likewise.
6990 (get_parm_info): Likewise.
6991 * c-objc-common.c (c_vla_unspec_p): Likewise.
6992 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6993 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6994 typeof when argument is a variably modified type not inside sizeof or alignof.
6995 (c_parser_direct_declarator_inner): Propagate errors.
6996 (c_parser_sizeof_expression): Add support for [*].
6997 (c_parser_parms_declarator): Initialize had_vla_unspec.
6998 (c_parser_parms_list_declarator): Likewise.
6999 * c-typeck.c (c_vla_type_p): Add.
7000 (composite_type): Add support for vla compositing.
7001 (comptypes_internal): Add support for vla compatibility.
7002 (c_expr_sizeof_expr): Evaluate vla arguments.
7003 * tree.c (variably_modified_type_p): Update comment for [*].
7005 2006-05-18 Michael Matz <matz@suse.de>
7008 * config.host: Make assignments to host_xmake_file cumulative.
7009 * config.host (*-darwin*): Test $host, not $target.
7011 2006-05-12 Stuart Hastings <stuart@apple.com>
7013 * config/i386/i386.opt (-mstackrealign): New flag.
7014 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7015 (ix86_handle_cconv_attribute): Emit error when
7016 force_align_arg_pointer attribute collides with too many regparms.
7017 (ix86_function_regparm): Limit regparms when used with
7018 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7019 Support stack-realigning prologue in non-main functions. Emit
7020 warning for nested functions under -mstackrealign, emit error for
7021 nested functions with force_align_arg_pointer attribute.
7022 * doc/extend.texi (force_align_arg_pointer): Document it.
7023 * doc/invoke.texi (-mstackrealign): Document it.
7025 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7027 PR rtl-optimization/27477
7028 * combine.c (try_combine): Don't split a parallel consisting
7029 of two sets into two individual sets if both sets reference
7032 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7034 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7035 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7037 * doc/options.texi (VarExists): Updated.
7039 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7041 * unwind-dw2.c: Add declarations for uw_update_context and
7043 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7044 detected, advance frame state and context once to skip over stub.
7046 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7050 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7051 Call rewrite_into_loop_closed_ssa only when something changed.
7052 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7053 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7054 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7055 Test for perfect_nest_p here. Fix formating.
7056 (replace_uses_equiv_to_x_with_y): Fix formating.
7057 (stmt_uses_op): Removed.
7058 (can_convert_to_perfect_nest): Removed loopivs parameter.
7059 Complete the test by checking the scalar dependences.
7060 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7063 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7066 From Dan Kegel <dank@kegel.com>:
7067 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7069 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7071 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7072 if the element type is variably modified without recursing.
7074 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7077 * tree-loop-linear.c (try_interchange_loops): Test for
7078 no data dependences.
7080 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7082 PR tree-optimization/27548
7083 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7084 range of ssa names that appear on abnormal edges.
7085 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7086 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7088 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7091 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7093 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7096 * tree.h (OMP_PARALLEL_COMBINED): Define.
7097 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7098 (new_omp_context): Add is_combined_parallel argument.
7099 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7100 new_omp_context caller.
7101 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7102 Adjust gimplify_scan_omp_clauses callers.
7103 (omp_is_private): Issue errors if iteration variable is firstprivate
7104 or reduction in the current context.
7105 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7106 on combined parallel workshare constructs.
7108 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7110 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7111 (gcc-options.o): New rule.
7113 * optc-gen.awk: Protect variables for gcc-options.o with
7114 #ifdef GCC_DRIVER/#endif.
7116 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7118 Fix PR tree-optimization/27373
7119 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7120 (forward_propagate_addr_expr): Update call.
7122 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7124 * doc/options.texi: Move the Negative option.
7126 2006-05-16 Richard Guenther <rguenther@suse.de>
7128 PR tree-optimization/22303
7129 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7131 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7132 ccp_fold did not simplify the statement.
7134 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7137 * Makefile.in (GCC_OBJS): New.
7138 (OBJS-common): Add opts-common.o.
7139 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7140 (cpp$(exeext)): Likewise.
7141 (gcc.o): Also depend on opts.h.
7142 (opts-common.o): New.
7144 * common.opt (gcoff): Add Negative(gdwarf-2).
7145 (gdwarf-2): Add Negative(gstabs).
7146 (gstabs): Add Negative(gstabs+).
7147 (gstabs+): Add Negative(gvms).
7148 (gvms): Add Negative(gxcoff).
7149 (gxcoff): Add Negative(gxcoff+).
7150 (gxcoff+): Add Negative(gcoff).
7151 * config/i386/i386.opt (m32): Add Negative(m64).
7152 (m64): Add Negative(m32).
7154 * doc/options.texi: Document the Negative option.
7156 * gcc.c: Include "opts.h".
7157 (main): Call prune_options after expandargv.
7159 * optc-gen.awk: Generate common declarations for all flag
7160 variables in options.c. Output the neg_index field.
7162 * opts.c (find_opt): Moved to ...
7163 * opts-common.c: Here. New file.
7165 * opts.h (cl_option): Add a neg_index field.
7167 (prune_options): Likewise.
7169 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7172 * omp-low.c (expand_omp_parallel): Don't assert
7173 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7174 instead search for it.
7177 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7180 2006-05-16 Andreas Schwab <schwab@suse.de>
7182 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7185 2006-05-15 Roger Sayle <roger@eyesopen.com>
7188 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7189 integer constants other than zero are only legitimate on TARGET_64BIT.
7190 <CONST_VECTOR> Only zero vectors are legitimate.
7191 (ix86_cannot_force_const_mem): Integral and vector constants can
7192 always be put in the constant pool.
7194 2006-05-16 DJ Delorie <dj@redhat.com>
7196 * crtstuff.c (__dso_handle): Set section from
7197 TARGET_LBIGCC_SDATA_SECTION if defined.
7198 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7199 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7201 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7204 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7207 2006-05-16 Ben Elliston <bje@au.ibm.com>
7209 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7211 2006-05-15 Per Bothner <per@bothner.com>
7213 * tree.c: (last_annotated_node): Use source_locus typedef.
7214 This permits bootstrapping with --enable-mapped-location.
7216 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7218 PR tree-optimization/26830
7219 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7220 (info_for_ssa_name, current_info_for_ssa_name_age,
7221 blocks_to_update): New variables.
7222 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7223 (clear_ssa_name_info, initialize_flags_in_bb,
7224 mark_block_for_update): New functions.
7225 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7226 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7227 prepare_def_site_for): Use mark_block_for_update.
7228 (mark_def_interesting): Assert that the processed block is marked in
7229 blocks_to_update. Do not take blocks argument.
7230 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7232 (rewrite_update_init_block, rewrite_update_stmt): Only process
7233 blocks with statements to rewrite.
7234 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7235 (update_ssa): Initialize and free blocks_to_update. Do not
7236 clear flags on statements. Do not use blocks bitmap.
7237 * tree.h (SSA_NAME_AUX): Removed.
7238 (struct tree_ssa_name): Removed aux field.
7239 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7241 2006-05-15 Richard Guenther <rguenther@suse.de>
7243 PR tree-optimization/27603
7244 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7245 Do computations in original type.
7247 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7249 * see.c: Code style changes such as redundant paranthesis,
7250 redundant intialization of local variables etc.
7251 (see_main): Declared now as static.
7252 * doc/invoke.texi: Update that -fsee is not enabled by
7255 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7257 * omp-low.c (check_omp_nesting_restrictions): New function.
7258 (scan_omp_1): Call it.
7261 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7262 construct, return *VAR.
7264 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7266 PR rtl-optimization/27406
7267 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7270 2006-05-14 Roger Sayle <roger@eyesopen.com>
7272 PR rtl-optimization/27538
7273 * combine.c (expand_compound_operation): Call gen_lowpart
7274 before calling simplify_shift_const.
7276 2006-05-14 Roger Sayle <roger@eyesopen.com>
7278 PR rtl-optimization/22563
7279 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7280 a fixed width bitfield, always force the intermediates into psuedos.
7282 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7285 * mkconfig.sh: Use operator = instead of == for test.
7287 2006-05-13 Nick Clifton <nickc@redhat.com>
7289 * dwarf2out.c (dbx_reg_number): Check return value from
7290 LEAF_REG_REMAP and only use it if it is valid.
7291 (multiple_reg_loc_descriptor): Likewise.
7293 2006-05-13 Richard Guenther <rguenther@suse.de>
7295 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7298 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7300 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7301 information attached to non-INSNs such as NOTEs.
7302 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7304 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7306 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7308 * config/s390/s390.md: Adjust comment describing On constraint.
7310 2006-05-11 Jan Hubicka <jh@suse.cz>
7312 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7313 to be output at -O0.
7315 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7318 * fold-const.c (size_binop): Move sanity check for arguments to
7319 the beginning of the function.
7322 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7325 2006-05-11 Richard Guenther <rguenther@suse.de>
7328 * fold-const.c (fold_unary): Handle intermediate conversion
7329 to a pointer type like intermediate conversion to an integer
7330 type in folding of (T1)(T2)var to var.
7331 Match the code to the comment in the final conversion for
7332 (T1)(T2)var to (T1)var regarding to type precision. Rather
7333 than disallow T1 being of pointer type, assert that both T1
7334 and var are of pointer type or not. Make sure not to fall
7335 over the frontends lazyness wrt array to pointer decay though.
7337 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7339 * arm.c (arm_struct_value_rtx): Delete.
7340 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7341 (arm_init_cumulative_args): Always initialize nregs to zero.
7343 2006-05-10 Richard Guenther <rguenther@suse.de>
7345 PR tree-optimization/27532
7346 * tree-object-size.c (plus_expr_object_size): Fix typo.
7348 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7351 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7352 ashrdi_const, ashrdi3): Use a scratch register.
7354 2006-05-10 Richard Guenther <rguenther@suse.de>
7356 PR tree-optimization/27302
7357 * fold-const.c (operand_equal_p): For two comparisons,
7358 try comparison of one comparison code swapped if that yields
7361 2006-05-10 Ben Elliston <bje@au.ibm.com>
7363 * tree-pretty-print.c (pretty_print_string): No need to handle
7364 '\0' as a special character.
7366 * tree.h: Include "hashtab.h".
7367 (iterative_hash_expr): Use hashval_t in its prototype.
7368 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7370 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7373 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7374 (hppa*64*-*-hpux11*): Ditto.
7375 (hppa[12]*-*-hpux11*): Ditto.
7377 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7380 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7382 2006-05-09 Michael Matz <matz@suse.de>
7384 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7385 host_extra_gcc_objs and host_xmake_file.
7386 (<*-*-linux*>): Don't overwrite host_xmake_file.
7387 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7388 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7389 (host_detect_local_cpu): Declare.
7390 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7391 * config/i386/i386.c (override_options): Handle -mtune=native
7393 * config/i386/x-i386: New file.
7394 * config/i386/driver-i386.c: New file.
7395 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7398 2006-05-09 Dirk Mueller <dmueller@suse.de>
7399 Richard Guenther <rguenther@suse.de>
7402 * fold-const.c (fold_read_from_constant_string): Relax check
7403 for matching types to matching modes.
7405 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7407 PR rtl-optimization/27335
7408 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7411 2006-05-08 Chao-ying Fu <fu@mips.com>
7412 Richard Sandiford <richard@codesourcery.com>
7414 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7415 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7416 * config/mips/mips.md (UNSPEC_SCC): New constant.
7417 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7418 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7419 (mips_emit_compare): Use it.
7420 (mips_expand_vcondv2sf): New function.
7422 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7424 Fix PR tree-optimization/27093
7425 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7426 renaming when they become not-used_alone.
7428 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7430 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7431 relocation and relocation stubs.
7433 2006-05-08 Eric Christopher <echristo@apple.com>
7435 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7438 2006-05-08 Jan Hubicka <jh@suse.cz>
7441 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7442 unused static functions are needed.
7444 2006-05-08 Roger Sayle <roger@eyesopen.com>
7447 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7448 of a reg_equiv_constant if the result is a legitimate constant.
7450 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7453 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7454 standard 80387 constants, raise the cost to prevent
7455 compress_float_constant() to generate load from memory.
7457 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7459 * config/arm/constraints.md (c): Fix a typo.
7461 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7464 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7467 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7469 (_mm_mwait): Likewise.
7471 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7473 (sse3_monitor): Make it 32bit only.
7474 (sse3_monitor64): New. 64bit monitor.
7476 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7479 * config/i386/i386.c (classify_argument): Skip fields with invalid
7482 2006-05-07 Richard Guenther <rguenther@suse.de>
7484 PR tree-optimization/27409
7485 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7486 Do not try to find zero-sized subvars.
7488 2006-05-07 Richard Guenther <rguenther@suse.de>
7490 PR tree-optimization/27136
7491 * tree-ssa-loop-niter.c (get_val_for): Correct function
7492 comment, assert requirements.
7493 (loop_niter_by_eval): Stop processing if the iterated
7494 value did not simplify.
7496 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7498 * opts.c (flag_see): remove its setting at -O3.
7500 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7502 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7503 * arm/constraints.md: New file.
7504 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7505 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7506 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7507 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7508 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7509 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7510 * arm.md: Include constraints.md.
7511 (thumb_movsi_insn): Use satisfies_constraint_J.
7512 (movhi, movqi): Use satisfies_constraint_I.
7514 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7516 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7517 for atmeg a645 device.
7519 2006-05-06 Richard Guenther <rguenther@suse.de>
7521 PR tree-optimization/27151
7522 * tree-vect-transform.c (vectorizable_condition): Punt on
7523 values that have a different type than the condition.
7525 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7528 * c-parser.c (c_parser_cast_expression): Only insert casts into
7529 hash table if pointer.
7530 * function.c (used_types_insert_helper): Rename from
7532 (used_types_insert): Call used_types_insert_helper.
7533 * function.h (used_types_insert): Accept only one argument.
7535 2006-05-05 David Edelsohn <edesohn@gnu.org>
7537 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7538 scratch with output modifier.
7540 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7543 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7544 with output modifier.
7546 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7549 * config/mips/mips.c (mips_symbolic_address_p): Return true
7550 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7551 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7553 2006-05-04 Richard Guenther <rguenther@suse.de>
7555 PR tree-optimization/14287
7556 PR tree-optimization/14844
7557 PR tree-optimization/19792
7558 PR tree-optimization/21608
7559 PR tree-optimization/27090
7560 * tree-ssa-pre.c (try_combine_conversion): New function.
7561 (compute_avail): After constructing the value-handle
7562 expression, use try_combine_conversion to combine NOP_EXPRs
7563 with previous value-handle expressions and use the result if it
7566 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7568 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7570 2006-05-04 Jan Hubicka <jh@suse.cz>
7573 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7575 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7577 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7578 that this only matches CONST_INTs. All users changed to VOIDmode
7581 * config/bfin/bfin.c: Include "optabs.h".
7582 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7584 (enum bfin_builtins): Add a number of fractional and vector builtins.
7585 (bfin_init_builtins): Likewise.
7586 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7587 (safe_vector_operand, bfin_expand_binop_builtin,
7588 bfin_expand_unop_builtin): New functions.
7589 (bfin_expand_builtin): Handle the new builtins.
7590 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7593 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7596 * Makefile.in (OBJS-common): Add see.o.
7597 (see.o): Add dependencies.
7598 * common.opt (fsee): New flag for the see optimization was added.
7599 * opts.c (flag_see): Initialized.
7600 * passes.c (init_optimization_passes, pass_see): New pass.
7601 * rtl.h (see_main): Declaration as extern.
7602 * timevar.def (TV_SEE): New.
7603 * tree-pass.h (pass_see): Declaration as extern.
7604 * invoke.texi (-fsee): Document.
7605 * recog.c (validate_simplify_insn): New function.
7606 * recog.h (validate_simplify_insn): Declaration as extern.
7607 * df-problems.c (df_chain_dump): Check for NULL.
7609 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7610 Daniel Berlin <dberlin@dberlin.org>
7612 * cfgrtl.c (insert_insn_bb_end_new): New function.
7613 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7615 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7617 * df.h (struct web_entry): Moved from web.c.
7618 (union_defs): Declaration as extern.
7619 (unionfind_root): Likewise.
7620 (unionfind_union): Likewise.
7621 * web.c (struct web_entry): Moved to df.h.
7622 (unionfind_root): Remove static declaration.
7623 (unionfind_union): Likewise.
7624 (union_defs): Likewise and generalize to use callback function.
7625 (web_main): Update arguments for union_defs function call.
7627 2006-05-04 Richard Guenther <rguenther@suse.de>
7629 PR tree-optimization/26447
7630 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7631 produce SSA_NAME copies before the store stmt to avoid
7632 breaking exception handling.
7634 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7637 * gimplify.c (omp_is_private): If var is shared in some outer context,
7638 return false instead of true. Stop searching on parallel context
7641 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7644 * coverage.c: Use get_gcov_unsigned_t() instead of
7645 unsigned_type_node all over.
7647 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7649 PR tree-optimization/27381
7650 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7651 maintain the same immediate_use links.
7652 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7653 node rather than segfaulting.
7655 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7658 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7659 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7660 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7662 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7664 Fix PR tree-optimization/26626
7665 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7667 * tree-ssa-operands.c (access_can_touch_variable): Allow
7668 typecasting through union pointers.
7670 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7673 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7674 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7675 to find if var will be a global variable even in the nested context.
7676 (omp_copy_decl): Only check for global variable at the end, it might
7677 be overridden in outer contexts.
7678 (scan_sharing_clauses): For global variables don't create a field.
7679 (lower_rec_input_clauses): Do nothing for global shared variables.
7680 Emit a barrier at the end of ILIST if there were any decls in both
7681 firstprivate and lastprivate clauses.
7682 (lower_send_clauses): Do nothing for global variables except for
7685 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7687 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7688 of the correct signedness is returned.
7690 2006-05-02 Jeff Law <law@redhat.com>
7692 PR tree-optimization/27364
7693 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7694 multiply expressions.
7696 2006-05-02 Tom Tromey <tromey@redhat.com>
7698 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7700 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7703 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7704 -mthumb -fPIC are used.
7706 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7707 Joshua Kinard <kumba@gentoo.org>
7710 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7711 with 64-bit pointers.
7713 2006-05-02 Paul Brook <paul@codesourcery.com>
7715 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7717 (create_fix_barrier): Check that a suitable barrier location is
7719 (arm_reorg): Include ftmp->address in allowable range of addresses.
7721 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7724 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7727 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7730 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7731 around RESULT_DECL for result passed by reference.
7732 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7733 * omp-low.c (use_pointer_for_field): Don't look at
7734 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7735 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7736 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7737 time or var for passing by reference for
7738 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7739 TREE_ADDRESSABLE variables when passing by reference.
7741 * omp-low.c (dump_omp_region): Fix output formatting.
7744 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7745 (expand_omp_parallel): Likewise.
7746 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7749 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7750 on statement list containing also constructors and destructors.
7751 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7754 * except.c (duplicate_eh_regions): Fix clearing of
7755 cfun->eh->region_array entries.
7757 2006-05-01 DJ Delorie <dj@redhat.com>
7759 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7761 (gcc_cv_objdump): Likewise.
7762 * configure: Regenerated.
7764 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7767 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7768 templates for case 3 and 4.
7770 2006-05-01 DJ Delorie <dj@redhat.com>
7772 * vec.c: Include bconfig.h when appropriate.
7773 * Makefile.in (build/vec.o): Adjust dependencies.
7774 * mkconfig.sh: Make sure config.h isn't used for build machine
7777 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7779 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7781 (mark_phi_for_rewrite): New function.
7782 (insert_phi_nodes_for, mark_use_interesting): Call
7783 mark_phi_for_rewrite.
7784 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7785 (update_ssa): Initialize and free phis_to_rewrite.
7787 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7789 PR rtl-optimization/27291
7790 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7791 folded to a constant.
7793 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7795 PR tree-optimization/27283
7796 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7797 not whole # of iteration descriptions.
7798 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7799 uses abnormal ssa name.
7800 (niter_for_single_dom_exit): Ditto.
7801 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7802 return just the number of iterations.
7804 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7806 PR tree-optimization/27144
7807 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7808 (record_estimate): Only record constant upper bound.
7809 (infer_loop_bounds_from_undefined): Call
7810 compute_estimated_nb_iterations just once.
7811 (proved_non_wrapping_p): Renamed to ...
7812 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7813 (convert_step_widening, scev_probably_wraps_p): Call
7814 n_of_executions_at_most instead of proved_non_wrapping_p.
7815 (substitute_in_loop_info): Do not replace values in bounds.
7816 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7819 2006-05-01 Richard Henderson <rth@redhat.com>
7822 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7823 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7826 2006-05-01 Roger Sayle <roger@eyesopen.com>
7828 * c-typeck.c (parser_build_binary_op): Don't call the function
7829 unsigned_conversion_warning to spot operand/result type overflow.
7830 (build_binary_op): Instead, call convert_and_check instead of
7831 convert to report the problem when the operands are promoted.
7832 * c-common.c (unsigned_conversion_warning): Make static.
7833 * c-common.h (unsigned_conversion_warning): Delete prototype.
7835 2006-05-01 Richard Guenther <rguenther@suse.de>
7837 PR tree-optimization/26726
7838 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7840 (find_interesting_uses_address): ... we work around here
7841 by folding INDIRECT_REFs in the substituted base.
7843 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7845 * omp-low.c (dump_omp_region): Add newlines.
7847 2006-04-30 Roger Sayle <roger@eyesopen.com>
7849 * common.opt (Woverflow): New command line option.
7850 * c-common.c (constant_expression_warning): Check warn_overflow.
7851 (overflow_waring): Pass OPT_Woverflow to warning.
7852 (unsigned_conversion_warning): Likewise.
7853 (convert_and_check): Likewise.
7854 * doc/invoke.texi: Document new command line option.
7856 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7858 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7859 TARGET_NO_FP_IN_TOC for section anchors.
7860 (optimization_options): Enable section anchors for all
7861 non-"Objective" languages.
7863 2006-04-28 Eric Christopher <echristo@apple.com>
7865 * config/darwin-c.c (darwin_ms_struct): Move this
7866 (darwin_set_default_type_attributes): and this...
7867 * config/darwin.c: ... here.
7868 * config/darwin.h (darwin_ms_struct): Declare.
7870 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7872 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7874 2006-04-28 Roger Sayle <roger@eyesopen.com>
7877 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7878 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7879 an unsigned HOST_WIDE_INT.
7880 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7882 (really_start_incremental_init): No need to call convert because
7883 bitsize_zero_node is already of type bitsizetype.
7884 (push_init_level): Extract the value of constructor_index as an
7885 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7886 (process_init_element): Likewise.
7888 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7890 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7891 value before passing to make_relative_prefix.
7893 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7896 * builtins.c (expand_builtin_memset): Expand val in original mode.
7898 2006-04-27 Eric Christopher <echristo@apple.com>
7900 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7901 with #ifndef/#endif.
7902 * config/darwin-c.c (darwin_ms_struct): New.
7903 (darwin_pragma_ms_struct): Ditto.
7904 (darwin_set_default_type_attributes): Ditto.
7905 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7906 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7907 Register ms_struct pragma.
7908 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7909 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7910 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7911 darwin_set_default_type_attributes if TARGET_MACHO.
7913 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7915 PR tree-optimization/26854
7916 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7917 * doc/tree-ssa.texi: Update immuse iterator documentation.
7918 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7919 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7920 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7921 first_safe_imm_use, next_safe_imm_use): Remove.
7922 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7923 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7924 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7925 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7926 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7927 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7928 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7929 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7930 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7931 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7932 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7933 (perfect_nestify): Use new iterator.
7934 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7936 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7937 (next_imm_name): New field in struct immediate_use_iterator_d.
7938 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7939 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7940 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7941 * tree-cfg.c (replace_uses_by): Use new iterator.
7942 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7943 * tree-ssa-operands.c (correct_use_link): Remove.
7944 (finalize_ssa_use_ops): No longer call correct_use_link.
7946 2006-04-27 Stuart Hastings <stuart@apple.com>
7948 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7949 * config/t-darwin (crt3.o): Use it.
7950 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7951 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7952 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7953 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7954 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7957 2006-04-27 Roger Sayle <roger@eyesopen.com>
7959 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7960 size, force the intermediate into a new pseudo rather instead of
7961 performing both a bitwise AND and a bitwise IOR in memory.
7963 2006-04-27 Richard Guenther <rguenther@suse.de>
7965 PR rtl-optimization/26685
7966 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7967 this one "max-flow-memory-locations".
7969 2006-04-27 Richard Guenther <rguenther@suse.de>
7971 PR tree-optimization/25148
7972 * tree-vrp.c (compare_values): Remove code dealing with
7973 comparisons against type min/max value. Honour overflow
7974 and negative constants in code dealing with comparisons
7975 of plus and minus expressions.
7976 (value_inside_range): Use fold_binary with LE_EXPR and
7977 GE_EXPR rather than compare_values.
7979 2006-04-27 Dirk Mueller <dmueller@suse.de>
7981 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7984 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7986 * basic-block.h (safe_insert_insn_on_edge): Removed.
7987 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7989 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7990 Paolo Bonzini <bonzini@gnu.org>
7993 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7994 (simplify_and_const_int): Same.
7996 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7998 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8000 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8003 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8004 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8005 cgraph_global_info_ready.
8008 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8011 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8012 either decl or init is error_mark_node.
8015 * tree-flow.h (struct omp_region): Add sched_kind.
8016 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8017 instead of extracting omp for data.
8018 (expand_omp_for): Save extracted sched_kind.
8020 2006-04-25 Roger Sayle <roger@eyesopen.com>
8022 * expmed.c (store_bit_field): Also check whether the bitsize is
8023 valid for the machine's "insv" instruction before moving the
8024 target into a pseudo for use with the insv.
8025 * config/i386/predicates.md (const8_operand): New predicate.
8026 * config/i386/i386.md (extv, extzv, insv): Use the new
8027 const8_operand predicate where appropriate.
8029 2006-04-25 DJ Delorie <dj@redhat.com>
8031 * doc/install.texi (Specific): Clarify that this is not a list of
8032 supported hosts or targets.
8034 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8036 PR rtl-optimization/26725
8037 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8038 block's BB_DIRTY flag.
8040 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8042 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8045 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8046 to print an integer.
8048 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8050 * varasm.c (align_variable): New function.
8051 (get_block_for_decl): Apply align_variable to DECL before
8052 calculating section information.
8053 (assemble_variable): Split out alignment computation.
8055 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8057 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8060 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8062 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8063 MODE_PARTIAL_INT mode.
8064 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8065 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8067 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8068 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8070 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8072 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8074 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8075 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8076 MACFLAG_IH): Likewise.
8077 (movstricthi_1): Renamed from "*movstricthi".
8078 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8079 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8080 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8081 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8082 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8083 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8084 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8085 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8086 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8087 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8088 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8089 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8090 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8091 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8092 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8094 * doc/rtl.texi (ss_ashift): Improve wording.
8096 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8098 * dwarf2out.c (verify_marks_clear): New.
8099 (prune_unused_types): Call verify_marks_clear initially, not
8102 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8104 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8105 * doc/rtl.texi: Document them.
8106 * simplify-rtx.c (simplify_unary_operation,
8107 simplify_binary_operation_1): Don't abort when we see them.
8109 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8112 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8113 * configure.ac: Completely disregard languages that are not
8115 * configure: Regenerated.
8117 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8118 Richard Guenther <rguenther@suse.de>
8120 PR tree-optimization/27236
8121 * tree-inline.c (copy_body_r): Make sure to copy
8122 TREE_THIS_VOLATILE flag.
8124 2006-04-24 Richard Guenther <rguenther@suse.de>
8127 * tree-complex.c (update_parameter_components): Don't handle
8128 unused parameters which have no default def.
8130 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8131 Richard Guenther <rguenther@suse.de>
8133 PR tree-optimization/27218
8134 * tree-inline.c (expand_call_inline): Strip useless type
8135 conversions for the return slot address.
8137 2006-04-24 Richard Guenther <rguenther@suse.de>
8139 * cfgloop.h (struct loops): Remove unused field array. Reorder
8141 (LOOP_PREFETCH): Remove.
8143 2006-04-24 Richard Guenther <rguenther@suse.de>
8145 PR tree-optimization/22525
8146 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8147 variable, adjust types of generated expressions.
8149 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8151 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8152 (tree-vect-patterns.o): Likewise.
8154 (cselib.o): Likewise.
8155 (loop-doloop.o): Likewise.
8156 (regclass.o): Likewise.
8157 (reload1.o): Likewise.
8158 (explow.o): Replace target.h with $(TARGET_H).
8159 (ipa-prop.o): Likewise.
8160 (ipa-cp.o): Likewise.
8161 (ipa-inline.o): Likewise.
8162 (reorg.o): Likewise.
8163 (reg-stack.o): Likewise.
8165 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8167 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8169 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8171 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8173 * configure.ac: Completely disregard languages that are not
8175 * configure: Regenerated.
8178 * c-common.h (c_build_bitfield_integer_type): Declare.
8179 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8180 * c-common.c (c_build_bitfield_integer_type): ... here.
8182 2006-04-23 Roger Sayle <roger@eyesopen.com>
8185 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8186 a SImode SUBREG of a floating point register after no_new_pseudos.
8188 2006-04-23 Roger Sayle <roger@eyesopen.com>
8190 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8191 identify potentially eliminable registers to additionally catch
8192 VIRTUAL_INCOMING_ARGS_REGNUM.
8193 (addsi3): Update the conditions on when to use addsi_small_int.
8195 2006-04-23 Roger Sayle <roger@eyesopen.com>
8198 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8199 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8200 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8202 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8204 * fold-const.c (range_predecessor): Use operand_equal_p
8205 as the predicate for equality.
8206 (range_successor): Likewise.
8208 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8211 * config/soft-fp/op-common.h: Fix a typo.
8213 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8216 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8217 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8219 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8221 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8223 * doc/tm.texi: Fix a typo.
8225 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8227 * dwarf2out.c (struct die_struct): Document that die_sib makes
8228 a circular linked list.
8229 (FOR_EACH_CHILD): New.
8230 (reverse_die_lists): Delete.
8231 (reverse_all_dies): Delete.
8232 (add_dwarf_attr): Correct documentation.
8233 (remove_child_with_prev): New.
8234 (remove_child_TAG): Update for change to die_struct, use
8235 remove_child_with_prev.
8236 (add_child_die): Update for change to die_struct.
8237 (splice_child_die): Use remove_child_with_prev and add_child_die.
8238 (print_die): Use FOR_EACH_CHILD.
8239 (die_checksum): Likewise.
8240 (assign_symbol_names): Likewise.
8241 (output_location_lists): Likewise.
8242 (build_abbrev_table): Likewise.
8243 (calc_die_sizes): Likewise.
8244 (mark_dies): Likewise.
8245 (unmark_dies): Likewise.
8246 (unmark_all_dies): Likewise.
8247 (output_die): Likewise.
8248 (prune_unused_types_mark): Likewise.
8249 (prune_unused_types_walk): Likewise.
8250 (same_die_p): Update for change to die_struct.
8251 (break_out_includes): Likewise.
8252 (prune_unused_types_prune): Likewise.
8253 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8254 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8256 (dwarf2out_finish): Don't call reverse_all_dies.
8258 2006-04-21 Eric Christopher <echristo@apple.com>
8260 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8261 in comments and function names.
8263 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8266 * c-typeck.c (digest_init): Robustify.
8268 * c-typeck.c (pop_init_level): Simplify.
8270 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8272 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8274 2006-04-21 Paul Brook <paul@codesourcery.com>
8276 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8277 hardware floating point.
8279 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8281 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8284 2006-04-21 Nick Clifton <nickc@redhat.com>
8286 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8289 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8292 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8293 C++ lang type in traceback table for Objective-C++.
8295 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8297 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8299 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8301 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8304 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8305 were errors. Remove check for erroneous objects.
8307 2006-04-20 Jeff Law <law@redhat.com>
8309 PR tree-optimization/26854
8310 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8311 checking for zero or one use.
8312 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8313 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8314 * tree-ssa-reassoc.c (negate_value): Similarly.
8315 (reassociate_bb): Similarly.
8317 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8319 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8320 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8321 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8323 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8325 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8326 fp regs if the last fp arg doesn't fit in regs.
8328 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8331 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8332 that the last insn has the REG_INC note.
8334 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8335 Nathan Sidwell <nathan@codesourcery.com>
8338 * stor-layout.c (update_alignment_for_field): Do not align
8340 (place_union_field): Place union field at the start of the union.
8341 (place_field): Move ERROR_MARK check later, and use the current
8342 allocation position to maintain monotonicity.
8344 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8346 * dominance.c: Include timevar.h.
8347 (calculate_dominance_info): Use TV_DOMINANCE.
8348 * timevar.def (TV_DOMINANCE): New timevar.
8349 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8351 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8353 PR rtl-optimization/14261
8354 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8355 move would be an INSV insn.
8356 (noce_process_if_block): Don't optimize if the destination is a
8357 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8359 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8361 * config/s390/s390.md: Add comments with the instructions emitted
8362 by an insn pattern if macros are used.
8364 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8366 PR rtl-optimization/26026
8367 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8368 is a known power of two shifted left a variable amount.
8370 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8372 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8373 to hash table twice when the debug_str section has SECTION_MERGE.
8375 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8377 * config/soft-fp: New directory. From glibc.
8378 * config/soft-fp/t-softfp: New.
8379 * config/soft-fp/README: New.
8380 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8381 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8382 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8383 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8384 * config.gcc: Use rs6000/t-fprules-fpbit or
8385 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8387 * config/rs6000/sfp-machine.h: New. Based on glibc.
8388 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8390 * config/rs6000/t-fprules: Remove fp-bit rules.
8391 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8392 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8393 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8394 (softfp_wrap_start, softfp_wrap_end): New.
8396 2006-04-18 DJ Delorie <dj@redhat.com>
8398 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8400 2006-04-18 Devang Patel <dpatel@apple.com>
8402 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8404 2006-04-18 Nick Clifton <nickc@redhat.com>
8406 * config/sh/t-symbian: Add rule to build sh-c.o
8407 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8408 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8409 (sh_symbian_encode_section_info): Likewise.
8411 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8413 * builtins.c (expand_builtin_strcmp): Cover label definition of
8414 do_libcall with HAVE_cmpstrnsi.
8416 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8418 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8420 * function.h (temp_slot_p): New.
8421 (function): Change the type of x_used_temp_slots to
8422 VEC(temp_slot_p,gc) *.
8424 2006-04-18 Nick Clifton <nickc@redhat.com>
8426 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8427 flag_strength_reduce.
8429 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8431 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8435 Partial revert of revision 112637
8436 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8437 Dale Johannesen <dalej@apple.com>
8440 * regclass.c (struct reg_pref): Update documentation.
8441 (regclass): Set prefclass to NO_REGS if memory is the best option.
8442 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8444 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8446 PR tree-optimization/26821
8447 * tree-ssa-math-opts.c (get_constant_one): New.
8448 (insert_reciprocals): Use it.
8450 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8452 * dwarf2out.c (free_AT): Delete.
8453 (remove_AT): Update string ref counts.
8454 (remove_child_TAG): Don't call free_die.
8456 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8457 or DW_TAG_GNU_EINCL.
8458 (prune_unused_types_walk_attribs): Reset string refcounts.
8459 (prune_unused_types_update_strings): New.
8460 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8461 call free_die. Do call prune_unused_types_update_strings.
8462 (prune_unused_types): Empty debug_str_hash.
8464 2006-04-17 Roger Sayle <roger@eyesopen.com>
8466 * expr.c (expand_assignment): Optimize away no-op moves where the
8467 source and destination are equal and have no side-effects.
8469 2006-04-17 Richard Guenther <rguenther@suse.de>
8472 * reload.c (push_reload): Guard calls to get_secondary_mem
8475 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8477 * alias.c (reg_base_value, old_reg_base_value): Change the
8478 type to VEC(rtx,gc) *.
8479 (REG_BASE_VALUE, find_base_value, record_set,
8480 init_alias_analysis): Use VEC instead of VARRAY.
8482 * alias.c (alias_sets): Change the type to
8483 VEC(alias_set_entry,gc) *.
8484 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8485 VEC instead of VARRAY.
8486 (last_alias_set): Remove.
8488 * cgraph.h (cgraph_edge_p): New.
8489 Update the prototype of cgraph_function_versioning.
8490 * cgraphunit.c (cgraph_copy_node_for_versioning,
8491 cgraph_function_versioning): Use VEC instead of VARRAY.
8492 * ipa-cp.c (ipcp_insert_stage): Likewise.
8494 2006-04-16 Roger Sayle <roger@eyesopen.com>
8497 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8498 "A op B" or "A op C", we may need to convert A to the type of B and C.
8500 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8502 * target.h (struct gcc_target): Add mode_rep_extended.
8503 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8504 (init_num_sign_bit_copies_in_rep): Initialize it using
8506 (truncate_to_mode): Use it.
8507 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8508 * targhooks.h (default_mode_rep_extended): Declare it.
8509 * targhooks.c (default_mode_rep_extended): Define it.
8510 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8511 default_mode_rep_extended.
8512 (TARGET_INITIALIZER): Include it.
8513 * doc/tm.texi (Misc): Document it.
8514 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8515 (mips_truncated_to_mode): New function.
8517 2006-04-16 Roger Sayle <roger@eyesopen.com>
8520 * expr.c (compress_float_constant): Copy the narrow constant into
8521 a new pseudo before extending it to its final width.
8523 2006-04-16 Roger Sayle <roger@eyesopen.com>
8524 Andrew Pinski <pinskia@gcc.gnu.org>
8525 Dale Johannesen <dalej@apple.com>
8528 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8529 special case code to implement V8HImode and V16QImode with SSE2.
8531 2006-04-15 Roger Sayle <roger@eyesopen.com>
8533 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8534 trees are constructed with a suitable tree type.
8536 2006-04-15 Roger Sayle <roger@eyesopen.com>
8538 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8539 (integer_onep): Likewise.
8540 (integer_all_onesp): Likewise.
8541 (integer_pow2p): Likewise.
8542 (integer_nonzerop): Likewise.
8543 (real_zerop): Likewise.
8544 (real_onep): Likewise.
8545 (real_twop): Likewise.
8546 (real_minus_onep): Likewise.
8547 (int_size_in_bytes): Likewise.
8548 (host_integerp): Likewise.
8550 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8552 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8553 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8554 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8556 * tree-ssa-structalias.h (alias_info): Remove num_references.
8558 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8560 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8561 (output_bvb patterns): Likewise.
8562 * pa.c (output_bb): Use 'bb' insn for long branch case.
8563 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8564 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8565 1. Correct length operand for alternatives 1 and 2.
8566 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8567 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8569 2006-04-14 Roger Sayle <roger@eyesopen.com>
8571 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8572 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8573 were accidentally reverted by r112959.
8575 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8578 * except.h (eh_region_outermost): New prototype.
8579 * except.c (eh_region_outermost): New function.
8580 * tree-cfg.c (find_outermost_region_in_block): Use it.
8582 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8584 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8586 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8587 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8588 (init_reload, reload): Use VEC instead of VARRAY.
8589 * reload.h: Update the prototype for
8590 reg_equiv_memory_loc_varray.
8592 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8593 Eric Botcazou <ebotcazou@libertysurf.fr>
8595 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8598 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8601 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8602 to expand fallback builtin function call.
8604 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8607 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8608 and emit libcall here in case the builtin fails.
8609 (expand_builtin_strcmp): Always emit the libcall here on failure.
8611 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8613 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8614 * flow.c (reg_n_info): Change the type to
8615 VEC(reg_info_p,heap) *.
8616 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8618 * regs.h (reg_info_p): New.
8619 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8620 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8621 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8624 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8626 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8628 * params.h (MAX_SCHED_READY_INSNS): New macro.
8629 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8630 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8631 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8632 the ready list for 1 cycle during the first scheduling pass.
8633 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8635 2006-04-13 Richard Henderson <rth@redhat.com>
8638 * gimple-low.c (lower_omp_directive): Remove dead code.
8639 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8640 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8641 * omp-low.c (struct omp_region): Move to tree-flow.h.
8642 (root_omp_region): Export.
8643 (omp_regions, lookup_omp_region): Remove.
8644 (determine_parallel_type): Update for struct omp_region changes.
8645 (dump_omp_region): Dump regions with block numbers.
8646 (new_omp_region): Take type and block instead of stmt; malloc
8648 (free_omp_region_1, free_omp_regions): New.
8649 (expand_parallel_call): Take entry_stmt as argument; update for
8650 changes to omp_region.
8651 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8652 (remove_exit_barriers): New.
8653 (expand_omp_parallel): Update for struct omp_region changes.
8654 (expand_omp_synch): Likewise.
8655 (expand_omp): Likewise.
8656 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8657 (expand_omp_for_static_chunk): Likewise.
8658 (expand_omp_for): Likewise.
8659 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8660 (expand_omp_sections): Similarly, with GOMP_sections_end.
8661 (expand_omp_single): New.
8662 (build_omp_regions_1): Update for OMP_CONTINUE.
8663 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8664 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8665 OMP_SECTIONS_SECTIONS.
8666 (lower_omp_single_simple): Don't emit barrier here.
8667 (lower_omp_single_copy): Likewise.
8668 (lower_omp_single): Fix bindings, and lower to straightline now.
8669 (lower_omp_master, lower_omp_ordered): Likewise.
8670 (lower_omp_critical): Likewise.
8671 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8672 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8673 omp edges, free it afterward.
8674 (make_omp_sections_edges): Remove.
8675 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8676 (move_stmt_r): Handle OMP_CONTINUE.
8677 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8678 statement pointers to basic blocks. Add type member.
8679 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8680 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8681 * tree-inline.c (estimate_num_insns_1): Likewise.
8682 * tree-pretty-print.c (dump_generic_node): Likewise.
8683 * tree-ssa-operands.c (get_expr_operands): Likewise.
8684 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8685 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8686 (OMP_CONTINUE): New.
8687 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8688 (OMP_SECTIONS_SECTIONS): Remove.
8689 (OMP_SECTION_LAST): New.
8690 (OMP_RETURN_NOWAIT): New.
8692 2006-04-13 Roger Sayle <roger@eyesopen.com>
8694 * fold-const.c (native_encode_vector, native_interpret_real):
8695 Correct obvious mistakes in the previous check-in.
8697 2006-04-13 Roger Sayle <roger@eyesopen.com>
8699 * fold-const.c (native_encode_expr): New function to encode
8700 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8701 or VECTOR_CST into a specified buffer.
8702 (native_encode_int): New function.
8703 (native_encode_real): New function.
8704 (native_encode_complex): New function.
8705 (native_encode_vector): New function.
8706 (native_interpret_expr): Inverse of native_encode_expr to convert
8707 a target representation into an INTEGER_CST, REAL_CST etc...
8708 (native_interpret_int): New function.
8709 (native_interpret_real): New function.
8710 (native_interpret_complex): New function.
8711 (native_interpret_vector): New function.
8712 (fold_view_convert_expr): New function to constant fold/evaluate
8713 a VIEW_CONVERT_EXPR of a suitable constant expression.
8714 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8715 Change call of build1 to fold_build1 when constructing a
8718 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8719 Ulrich Weigand <uweigand@de.ibm.com>
8722 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8725 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8728 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8729 optimize to lo_sum for DFmode if !TARGET_FPRS.
8731 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8733 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8734 delete_alias_info, compute_flow_sensitive_aliasing,
8735 group_aliases): Use VEC instead of VARRAY.
8736 * tree-ssa-structalias.c (update_alias_info): Likewise.
8737 * tree-ssa-structalias.h (alias_info): Change the type of
8738 processed_ptrs to VEC(tree,heap) *.
8740 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8743 * config/sh/lib1funcs.h: New file, broken out of:
8744 * config/sh/lib1funcs.asm.
8745 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8747 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8748 * config/sh/lib1funcs-Os-4-200.asm: New file.
8749 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8750 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8751 (EXTRA_MULTILIB_PARTS): Include it.
8752 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8753 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8754 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8755 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8758 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8760 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8761 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8762 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8764 * tree-ssa-live.h: Include vecprim.h.
8765 (tree_partition_associator_d): Change the type of
8766 first_partition to VEC(int,heap) *.
8767 (tpa_first_partition): Use VEC instead of VARRAY.
8769 * Makefile.in (GTFILES): Move functions.h after tree.h.
8770 * function.c (reset_block_changes, record_block_change,
8771 check_block_change, free_block_changes): Use VEC instead of
8773 * function.h (function): Change the type of
8774 ib_boundaries_block to VEC(tree,gc) *.
8775 * tree-inline.c (copy_cfg_body): Initialize
8776 ib_boundaries_block to NULL instead of (varray_type) 0.
8778 2006-04-12 Roger Sayle <roger@eyesopen.com>
8780 * expr.c (emit_group_store): Correct operand order in call to
8781 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8782 a SUBREG_BYTE of zero.
8784 2006-04-12 Richard Guenther <rguenther@suse.de>
8786 * profile.c (compute_branch_probabilities): Remove code
8787 encapsulated in !ir_type (), which are remanents of the
8788 removed RTL profiling code.
8789 * rtl-profile.c: Remove.
8791 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8793 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8794 magic NULL_RTX comment.
8795 (function_arg): Store entire fp arg to mem if any part should go
8797 (rs6000_arg_partial_bytes): Adjust for above change.
8799 2006-04-11 Roger Sayle <roger@eyesopen.com>
8801 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8802 if it hasn't been initialized by dwarf2out_init.
8804 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8806 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8807 symbolic constants in branch patterns.
8809 2006-04-11 Roger Sayle <roger@eyesopen.com>
8811 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8813 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8815 PR rtl-optimization/27073
8816 * gcse.c (try_replace_reg): Revert last change. Continue to search
8817 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8820 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8822 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8823 aggregate types other than record and union types.
8824 (function_arg): Likewise.
8825 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8827 (function_value): In 64-bit mode, return objects that require it
8830 2006-04-11 Roger Sayle <roger@eyesopen.com>
8832 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8834 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8836 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8838 2006-04-03 Jeff Law <law@redhat.com>
8841 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8842 alias information too.
8844 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8846 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8848 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8851 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8852 (premark_used_types_helper): New.
8853 (premark_used_types): New.
8854 (gen_subprogram_die): Call premark_used_types.
8855 (prune_unused_types_walk): Do not prune perennial dies.
8856 * function.c (used_types_insert): New.
8857 * function.h (struct function): Add used_types_hash field.
8858 (used_types_insert): Add prototype.
8859 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8860 * c-parser.c (c_parser_cast_expression): Save casted types in used
8863 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8866 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8867 rs6000_explicit_options.float_gprs.
8869 2006-04-10 Roger Sayle <roger@eyesopen.com>
8871 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8872 from ix86_expand_vector_init_low_nonzero. Take an additional
8873 one_var argument indicating which element is non-zero. Support
8874 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8875 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8876 with one_var instead of ix86_expand_vector_init_low_nonzero.
8878 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8880 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8881 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8882 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8883 build/genextract.o): Depend on vecprim.h.
8884 * cfglayout.c, df-problems.c, function.c, genextract.c,
8885 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8886 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8890 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8892 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8893 Declare VECs of this type.
8894 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8895 (remove_children): Delete.
8896 (add_dwarf_attr): Use VEC routines.
8897 (add_AT_flag): Update for changes to add_dwarf_attr.
8898 (add_AT_int): Likewise.
8899 (add_AT_unsigned): Likewise.
8900 (add_AT_long_long): Likewise.
8901 (add_AT_vec): Likewise.
8902 (add_AT_string): Likewise.
8903 (add_AT_die_ref): Likewise.
8904 (add_AT_fde_ref): Likewise.
8905 (add_AT_loc): Likewise.
8906 (add_AT_loc_list): Likewise.
8907 (add_AT_addr): Likewise.
8908 (add_AT_lbl_id): Likewise.
8909 (add_AT_lineptr): Likewise.
8910 (add_AT_macptr): Likewise.
8911 (add_AT_offset): Likewise.
8912 (add_AT_range_list): Likewise.
8913 (get_AT): Use VEC_iterate.
8914 (remove_AT): Use VEC_ordered_remove.
8915 (free_die): Fold remove_children into here; have it use VEC_iterate.
8916 (print_die): Use VEC_iterate on attrs.
8917 (reverse_die_lists): Don't reverse attr lists.
8918 (die_checksum): Use VEC_iterate on attrs.
8919 (same_die_p): Likewise.
8920 (output_location_lists): Likewise.
8921 (build_abbrev_table): Likewise.
8922 (size_of_die): Likewise.
8923 (unmark_all_dies): Likewise.
8924 (output_abbrev_section): Likewise.
8925 (output_die): Likewise.
8926 (prune_unused_types_walk_attribs): Likewise.
8928 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8930 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8932 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8935 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8937 2006-04-09 Roger Sayle <roger@eyesopen.com>
8939 * expr.c (store_constructor): Don't bother clearing target if
8940 we're about to assign a vector to it using vec_init_optab.
8942 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8944 * tree-ssa-alias.c (lhs_may_store_to): New function.
8945 (recalculate_used_alone): Handle LHS of calls.
8947 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8951 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8952 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8953 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8954 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8955 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8956 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8957 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8958 stubs. Add ".align 8" directives before all ".dword" directives.
8959 (GTHREAD_USE_WEAK): Revise comment.
8960 (TARGET_ATTRIBUTE_WEAK): Define.
8961 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8962 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8963 * stublib.c: New file.
8968 * pa.md (cbranch patterns): Revise arguments used in calls to
8969 output_cbranch, output_bb and output_bvd. Add long branch length
8971 (fbranch patterns): Handle long branches.
8972 (jump): Revise length check. Revise arguments for output_lbranch call.
8973 Add long branch length attributes.
8974 (decrement_and_branch_until_zero): Add long branch length attributes.
8975 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8976 Likewise. Revise arguments for output_parallel_addb and
8977 output_parallel_movb calls.
8978 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8979 output_parallel_movb and output_parallel_addb): Update prototypes.
8980 * pa.c (output_cbranch): Revise arguments. Correct handling of
8981 nullification in long branches.
8982 (output_lbranch): Add new argument to control extraction of delay
8984 (output_bb): Handle long branches.
8985 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8986 output_parallel_addb): Likewise.
8988 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8990 PR rtl-optimization/27073
8991 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8994 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8996 * tree.h (tree_memory_tag): Add old_used_alone.
8997 (SMT_OLD_USED_ALONE): New macro.
8998 * tree-ssa-alias.c (recalculate_used_alone): Stop
8999 marking things for renaming unnecessarily.
9001 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9003 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9004 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9005 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9006 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9007 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9008 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9009 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9010 spelling convensions.
9011 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9012 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9013 typos. Follow spelling conventions.
9015 2006-04-07 DJ Delorie <dj@redhat.com>
9017 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9018 passed on the stack.
9019 (m32c_init_cumulative_args): When a function returns a structure,
9020 always pass the pointer to that return area on the stack.
9021 (m32c_function_arg_advance): Don't increment the parameter number
9022 if we're processing the returned structure pointer.
9023 (pushm_info): Reverse order of registers.
9025 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9027 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9028 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9029 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9030 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9032 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9033 chrec_fold_multiply): Same.
9034 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9035 force_expr_to_var_cost): Same.
9036 * tree-mudflap.c (mf_xform_derefs_1): Same.
9037 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9039 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9041 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9042 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9045 2006-04-07 Jan Hubicka <jh@suse.cz>
9047 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9049 2006-04-07 Richard Guenther <rguenther@suse.de>
9051 PR tree-optimization/26135
9052 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9053 loads for store copy-prop.
9054 (copy_prop_visit_stmt): Likewise.
9056 2006-04-05 Robert Millan <robertmh@gnu.org>
9058 * config/i386/linux.h: Add a comment to mark macros that are
9059 being overriden in config/k*bsd-gnu.h.
9060 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9062 * config/knetbsd-gnu.h: Ditto.
9064 2006-04-06 Jan Hubicka <jh@suse.cz>
9068 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9071 2006-04-06 Mike Stump <mrs@apple.com>
9073 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9074 for HAVE_nonlocal_goto to be consistent.
9075 (expand_builtin_nonlocal_goto): Likewise.
9076 (expand_builtin_strcmp): Use #ifdef instead of #if
9077 for HAVE_cmpstrnsi to be consistent.
9079 2006-04-05 DJ Delorie <dj@redhat.com>
9081 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9084 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9086 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9087 got-relative addressing for anything but SImode.
9089 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9090 even if the calling function doesn't modify them.
9092 2006-04-05 Richard Guenther <rguenther@suse.de>
9094 PR tree-optimization/26919
9095 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9096 to cgraph_estimate_size_after_inlining.
9098 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9100 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9102 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9104 PR tree-optimization/26996
9105 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9106 VECTOR_TYPE variables.
9108 2006-04-05 Richard Guenther <rguenther@suse.de>
9110 PR tree-optimization/26763
9111 * fold-const.c (fold_comparison): Move folding of
9112 PTR + CST CMP PTR + CST ...
9113 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9115 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9117 * doc/install.texi (Prerequisites): Refine some wording on
9118 bootstrapping and ksh.
9119 Move the version numbers of DejaGnu here from the testing section
9120 and fix casing of names.
9121 Fix markup and clarify wording for autogen requirements.
9122 Refer to GCJ instead of just java.
9123 Refer to SVN instead of CVS.
9124 Describe diffutils as useful instead of necessary.
9125 (Downloading the source): Refer to SVN instead of CVS.
9126 Adjust a link to our web site accordingly.
9127 (Configuration): Fix casing of Bison.
9128 (Building): Refer to SVN instead of CVS.
9129 Fix a sentence on the use of Bison and remove duplicate (and
9130 incorrect) version number of Bison requirement.
9131 Remove one redundant list of packages needed for building.
9132 (Specific): Avoid reference to CVS.
9134 2006-04-04 Eric Christopher <echristo@apple.com>
9136 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9137 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9138 (rs6000_handle_struct_attribute): New.
9139 (rs6000_ms_bitfield_layout_p): Ditto.
9141 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9143 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9144 NULL for dso parameter to atexit_common.
9146 2006-04-04 Eric Christopher <echristo@apple.com>
9148 * config/i386/i386.c (machopic_output_stub): Output \t
9149 between instructions and operands.
9151 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9153 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9154 satisfies_constraint_[IL] to explicit tests on value.
9156 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9158 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9159 set_nb_iterations_in_loop): Use build_int_cst instead of
9161 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9162 build_int_cst instead of convert.
9164 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9166 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9167 new value 2 for incoming.
9168 * function.c (expand_function_start): Call struct_value_rtx
9170 * config/sparc/sparc.md: Comment updated_return.
9171 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9172 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9173 struct return if sparc_std_struct_return and incoming is 2.
9174 (print_operand): Do not adjust return if
9175 sparc_std_struct_return.
9177 2006-04-04 Roger Sayle <roger@eyesopen.com>
9179 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9180 convert in the middle-end.
9181 * expr.c (store_expr, store_constructor, get_inner_reference,
9182 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9184 * tree.c (build_range_type): Likewise.
9186 2006-04-04 Tom Tromey <tromey@redhat.com>
9188 * doc/install.texi (Prerequisites): Mention jar.
9190 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9192 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9195 2006-04-04 Matthias Klose <doko@debian.org>
9197 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9201 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9204 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9206 * doc/extend.texi (Function Attributes): Rewrite visibility
9207 attribute documentation.
9208 * doc/invoke.texi (C++ Dialect Options): Rewrite
9209 -fvisibility-inlines-hidden documentation to describe something
9210 entirely different, although in practise compatible.
9211 (Code Gen Options): Warn about system headers in -fvisibility=
9214 * doc/extend.texi (Other Builtins): Document that
9215 __builtin_nan is a compile-time constant only when its argument
9218 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9220 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9221 trying to remove TRUNCATE check if all bits outside the new mode
9222 are identical to the sign bit.
9224 2006-04-03 Jeff Law <law@redhat.com>
9226 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9227 and operand scanning in some common cases.
9229 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9230 Dale Johannesen <dalej@apple.com>
9233 * regclass.c (struct reg_pref): Update documentation.
9234 (regclass): Set prefclass to NO_REGS if memory is the best option.
9235 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9236 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9237 into account. For non-registers, equate an empty preferred
9238 reload class to a `!' in the constraint; move the if clause to
9239 do so after those that reject the insn.
9240 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9242 (find_dummy_reload): Likewise.
9243 * doc/tm.texi (Register Classes): Document what it means
9244 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9245 * config/i386/i386.c (ix86_preferred_reload_class): Force
9246 using SSE registers (and return NO_REGS for floating-point
9247 constants) if math is done with SSE.
9248 (ix86_preferred_output_reload_class): New.
9249 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9250 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9251 * config/i386/i386.md: Remove # register preferences.
9253 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9256 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9257 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9258 the type of nb_iter.
9259 (instantiate_parameters_1): Convert the operands before calling
9260 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9261 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9263 2006-04-02 Roger Sayle <roger@eyesopen.com>
9265 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9266 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9268 * dojump.c (do_jump): Likewise.
9269 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9270 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9271 gimplify_boolean_expr): Likewise.
9272 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9273 * varasm.c (array_size_for_constructor): Likewise.
9274 * tree-object-size.c (compute_object_offset): Likewise.
9276 2006-04-02 Roger Sayle <roger@eyesopen.com>
9279 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9280 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9282 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9284 PR tree-optimization/26939
9285 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9287 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9289 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9290 at_stmt. Convert the type of operands before calling
9291 build_polynomial_chrec.
9292 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9294 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9295 (instantiate_parameters_1): Convert the type of operands before calling
9296 build_polynomial_chrec.
9297 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9298 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9299 reset_evolution_in_loop): Insert asserts to check the types of the
9301 (chrec_type): Moved...
9302 (eq_evolutions_p): Use operand_equal_p.
9303 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9304 the types of the operands.
9305 (chrec_type): ...here.
9306 * tree-data-ref.c (create_data_ref): Convert the operands before
9307 calling chrec_replace_initial_condition.
9308 (same_access_functions, analyze_subscript_affine_affine,
9309 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9310 (compute_subscript_distance, analyze_ziv_subscript,
9311 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9312 analyze_miv_subscript): Convert the operands before calling
9313 chrec_fold_minus or chrec_fold_plus.
9315 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9317 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9318 the dependence_relations vector.
9319 (compute_data_dependences_for_loop): Adjust call to
9320 compute_all_dependences.
9322 2006-04-01 Roger Sayle <roger@eyesopen.com>
9323 Richard Henderson <rth@redhat.com>
9325 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9326 gimple_boolify on the condition before calling gimplify_expr.
9328 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9330 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9331 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9332 the frame size. Update to use the new macros.
9333 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9334 * config/xtensa/ieee754-df.S: Likewise.
9336 2006-03-31 Richard Henderson <rth@redhat.com>
9338 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9339 (make_edges): ... here. Control fallthru creation with a local
9340 variable. Do not play with fake edges.
9341 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9342 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9345 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9347 * dwarf2.h (DW64_CIE_ID): Define.
9348 * dwarf2out.c (DWARF_CIE_ID): Define.
9349 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9350 length header. Use DWARF_CIE_ID.
9351 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9352 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9354 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9356 * config/sh/linux-atomic.asm: New file.
9357 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9359 2006-03-31 DJ Delorie <dj@redhat.com>
9361 * config/m32c/cond.md: Set condition flags properly throughout.
9362 * config/m32c/minmax.md: Likewise.
9363 * config/m32c/prologue.md: Likewise.
9364 * config/m32c/bitops.md: Likewise.
9365 * config/m32c/muldiv.md: Likewise.
9366 * config/m32c/mov.md: Likewise.
9367 * config/m32c/addsub.md: Likewise.
9368 * config/m32c/m32c.md: Likewise.
9369 * config/m32c/jump.md: Likewise.
9370 * config/m32c/shift.md: Likewise.
9372 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9373 conditionally output the pattern for this.
9374 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9375 (m32c_compare_redundant): New.
9376 (m32c_output_compare): New.
9377 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9379 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9380 dest, not src. Allow other 4-byte modes.
9382 2006-03-30 Denis Chertykov <denisc@overta.ru>
9384 * doc/md.texi: Refer to avr/constraints.md instead of
9387 2006-03-30 Roger Sayle <roger@eyesopen.com>
9389 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9390 signed vs. unsigned comparison failures on some hosts.
9392 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9395 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9396 change to FLOAT_REGS.
9398 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9399 (rs6000_override_options): Use it.
9400 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9401 only for -mabi=spe/no-spe and -mabi=altivec.
9403 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9405 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9408 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9410 * Makefile.in: Rename docdir to gcc_docdir.
9412 2006-03-30 Roger Sayle <roger@eyesopen.com>
9415 * expr.c (emit_group_store): Optimize group stores into a pseudo
9416 register by using a paradoxical subreg to initialize the destination
9417 if the first or last member of the group specifies a "low part".
9419 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9422 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9423 * target.h (struct gcc_target.speculate_insn): Change type of the
9424 second parameter to 'int'.
9425 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9426 the second operand of the DEPS_LIST.
9427 (copy_DEPS_LIST_list): Update reference to the second operand of the
9429 * rtl.h (alloc_DEPS_LIST): Update signature.
9430 * sched-int.h (ds_t): Change typedef to 'int'.
9431 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9433 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9435 * haifa-sched.c (try_ready): Change condition to restore
9436 non-speculative pattern of the instruction.
9437 (process_insn_depend_be_in_spec): Code to keep probability of the
9438 speculative dependence non-decreasing.
9440 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9442 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9443 (single_move_for_movmem): ... this. Also change all uses.
9444 (bfin_expand_strmov): Renamed to...
9445 (bfin_expand_movmem): ... this. Also change all uses.
9446 * config/bfin/bfin.md (movstrsi): Renamed to...
9447 (movstrsi): ...this.
9449 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9451 PR tree-optimization/26830
9453 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9454 (copy_prop_visit_stmt): Remove write-only variable ann.
9455 (init_copy_prop): Check variable loop depth here. Do not simulate
9456 memory-tag and virtual operand PHIs except for store copy prop.
9458 2006-03-30 Richard Guenther <rguenther@suse.de>
9460 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9461 variants with double arguments.
9463 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9465 * genpreds.c (write_tm_constrs_h): Delete variable p.
9466 * genconditions.c (write_header): Add tm-constrs.h to included
9468 * genpeep.c (main): Add toplev.h to included headers.
9469 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9470 (build/genpeep.o): Add toplev.h dependency.
9471 * config/rs6000/constraints.md: Add "W" constraint.
9473 2006-03-29 Roger Sayle <roger@eyesopen.com>
9475 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9476 sizes by correctly testing whether the size fits a host integer.
9477 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9478 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9479 SImode range for the default sizetype and bitsizetype.
9481 2006-03-29 Roger Sayle <roger@eyesopen.com>
9483 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9484 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9485 quickly if the argument is already of the correct type.
9486 Call fold_build1 instead of build1. Tidy up blank lines.
9488 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9490 * genemit.c (main): Add tm-constrs.h to included headers.
9491 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9492 * genpeep.c (main): Add tm-constrs.h to included headers.
9493 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9494 (write_tm_constrs_h): this and write complete file.
9495 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9496 (write_insn_preds_c): Add tm-constrs.h to included headers.
9497 (gen_constrs): New variable.
9498 (parse_option): Parse "-c".
9499 (main): Invoke write_tm_constrs_h.
9500 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9501 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9502 (object_out_file): Add tm-constrs.h dependency.
9503 (insn-emit.o): Same.
9504 (insn-output.o): Same.
9505 (insn-peep.o): Same.
9506 (insn-preds.o): Same.
9507 (insn-recog.o): Same.
9508 (tm-constsr.h): New target.
9509 (s-constrs-h): New target.
9511 * config/rs6000/constraints.md: New file.
9512 * config/rs6000/rs6000.c: Include tm-constrs.h.
9513 (num_insn_constant_wide): Convert to satisfies_constraint.
9514 (rs6000_rtx_costs): Convert to satisfies_constraint.
9515 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9516 (CONST_OK_FOR_LETTER_P): Delete.
9517 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9518 (EXTRA_CONSTRAINT): Delete.
9519 (EXTRA_MEMORY_CONSTRAINT): Delete.
9520 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9521 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9522 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9523 satisfies_constraint.
9525 * config/i386/i386.c: Include tm-constrs.h.
9527 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9529 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9530 * tree-data-ref.c (find_data_references_in_loop,
9531 compute_data_dependences_for_loop): Use pointers to VEC.
9532 (analyze_all_data_dependences): Adjust calls.
9533 * tree-data-ref.h (find_data_references_in_loop,
9534 compute_data_dependences_for_loop): Adjust declarations.
9535 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9536 compute_data_dependences_for_loop.
9538 2006-03-29 Paul Brook <paul@codesourcery.com>
9540 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9543 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9545 PR tree-optimization/26859
9546 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9548 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9549 for the step after fold_convert.
9551 2006-03-29 Paul Brook <paul@codesourcery.com>
9553 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9554 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9556 2006-03-29 Paul Brook <paul@codesourcery.com>
9559 * targhooks.c (default_narrow_bitfield): New fuction.
9560 * targhooks.h (default_narrow_bitfield): add prototype.
9561 * target.h (gcc_target): Add narrow_volatile_bitfield.
9562 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9563 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9564 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9565 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9567 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9569 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9571 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9572 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9573 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9574 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9575 (s390_function_arg_float): Allow SDmode and DDmode values to be
9576 passed in floating point registers.
9577 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9578 check with SCALAR_FLOAT_MODE_P.
9579 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9581 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9583 PR tree-optimization/25985
9584 * tree-ssa-loop-niter.c (number_of_iterations_le,
9585 number_of_iterations_ne): Make comments more precise.
9586 (number_of_iterations_cond): Add only_exit argument. Use the
9587 fact that signed variables do not overflow only when only_exit
9589 (loop_only_exit_p): New.
9590 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9591 number_of_iterations_cond.
9593 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9595 PR tree-optimization/26643
9596 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9599 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9601 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9602 (divsi3_i4_int): Likewise.
9604 2006-03-28 Roger Sayle <roger@eyesopen.com>
9606 * expr.c (emit_group_store): Only create a new pseudo reg if the
9607 quantity it needs to hold isn't already a suitable pseudo.
9609 2006-03-28 Jeff Law <law@redhat.com>
9611 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9612 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9614 2006-03-28 Roger Sayle <roger@eyesopen.com>
9616 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9617 the equivalent ~X & Y, and the symmetry related transformations.
9618 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9619 ~X & Y, and symmetry related transforms.
9621 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9623 Revert my 2006-03-27 patches.
9625 2006-03-28 Roger Sayle <roger@eyesopen.com>
9627 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9628 ~(T1)X, when T1 and T2 are integer types of the same precision
9629 and (T2)X isn't an extension.
9631 2006-03-28 Jeff Law <law@redhat.com>
9633 PR tree-optimization/26796
9634 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9635 need EH edge cleanups rather than purging them immediately.
9636 (eliminate_degenerate_phis): Handle queued EH cleanups.
9638 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9640 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9643 2006-03-27 Roger Sayle <roger@eyesopen.com>
9646 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9647 cast BIT_NOT_EXPR operand to the correct type.
9649 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9651 * tree-loop-linear.c: Don't include varray.h.
9652 (gather_interchange_stats, try_interchange_loops,
9653 linear_transform_loops): Use VEC instead of VARRAY.
9654 * lambda-mat.c: Don't include varray.h.
9655 * tree-chrec.c: Same.
9656 * lambda-trans.c: Same.
9657 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9658 VEC instead of VARRAY.
9659 * tree-vectorizer.h: Idem.
9660 * tree-data-ref.c (dump_data_references,
9661 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9662 initialize_data_dependence_relation, finalize_ddr_dependent,
9663 compute_all_dependences, find_data_references_in_loop,
9664 compute_data_dependences_for_loop, analyze_all_data_dependences,
9665 free_dependence_relation, free_dependence_relations,
9666 free_data_refs): Idem.
9667 * tree-data-ref.h (data_reference_p, subscript_p): New.
9668 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9669 VEC instead of VARRAY.
9670 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9671 (find_data_references_in_loop, compute_data_dependences_for_loop,
9672 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9673 dump_data_dependence_relations, free_dependence_relations,
9674 free_data_refs): Adjust declaration.
9675 (lambda_transform_legal_p): Move declaration here...
9676 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9677 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9678 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9679 vect_analyze_data_refs): Use VEC instead of VARRAY.
9680 * lambda.h (lambda_transform_legal_p): ...from here.
9681 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9682 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9683 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9684 tree-chrec.o): Don't depend on VARRAY_H.
9686 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9688 * rtl.def (Copyright): Update date.
9689 (DEPS_LIST): Change type of the second operand to 'int'.
9690 * target.h (Copyright): Update date.
9691 (struct gcc_target.speculate_insn): Change type of the second parameter
9693 * lists.c (Copyright): Update date.
9694 (alloc_DEPS_LIST): Change signature. Update reference to the second
9695 operand of the DEPS_LIST.
9696 (copy_DEPS_LIST_list): Update reference to the second operand of the
9698 * rtl.h (Copyright): Update date.
9699 (alloc_DEPS_LIST): Update signature.
9700 * sched-int.h (Copyright): Update date.
9701 (ds_t): Change typedef to 'int'.
9702 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9704 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9706 * haifa-sched.c (Copyright): Update date.
9707 (try_ready): Change condition to restore non-speculative pattern
9709 (process_insn_depend_be_in_spec): Code to keep probability of the
9710 speculative dependence non-decreasing.
9712 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9714 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9715 shut up the compiler.
9717 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9719 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9720 to use lib prefix for target.
9721 ($(T)libic_invalidate_array_4-200.a): Likewise.
9722 ($(T)libic_invalidate_array_4a.a): Likewise.
9724 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9725 J"orn Rennecke <joern.rennecke@st.com>
9727 * superh.opt: New file.
9728 * sh.c (boardtype, osruntime): Remove.
9729 * superh.h (SUBTARGET_OPTIONS): Remove.
9730 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9732 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9733 arguments with ^ and/or [].
9735 * config.gcc (sh-*-*): Add quoting to account for quirk of
9737 Replace == with = in enable_incomplete_targets test.
9739 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9740 with MASK_LITTLE_ENDIAN.
9742 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9743 * config/sh/sh.opt: Added to some comments.
9744 * config/sh/superh.h: Removed some chaff.
9746 * config/sh/sh.opt: Add m4-[1234]00* options.
9747 * config/sh/sh.c (sh_handle_option): Likewise.
9748 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9749 (ic_invalidate_array_4-100.o): New rule.
9750 ($(T)libic_invalidate_array_4-100.a): Likewise.
9751 (ic_invalidate_array_4-200.o): Likewise.
9752 ($(T)libic_invalidate_array_4-200.a): Likewise.
9753 (ic_invalidate_array_4a.o): Likewise.
9754 ($(T)libic_invalidate_array_4a.a): Likewise.
9755 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9756 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9758 * config/sh/crt1.asm: Merged in profiling code.
9759 * config/sh/superh.h (STARTFILE_SPEC): Override.
9760 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9761 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9762 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9764 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9765 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9766 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9768 * sh.opt (mpretend-cmove): New option.
9769 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9770 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9771 (movsicc): Add TARGET_PRETEND_CMOVE code.
9773 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9775 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9776 s390_class_max_nregs): New function prototypes.
9777 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9778 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9779 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9780 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9782 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9784 * dwarf2out.c (add_location_or_const_value_attribute): Call
9785 tree_add_const_value_attribute if nothing else works.
9786 (reference_to_unused): New.
9787 (rtl_for_decl_init): Use reference_to_unused to decide whether
9788 to output an initializer.
9790 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9793 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9794 peephole removing spe frob_di_df_2.
9796 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9798 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9799 (subscript_dependence_tester_1): Declared.
9800 (print_dir_vectors, print_dist_vectors): New.
9801 (debug_data_dependence_relation): New.
9802 (dump_data_dependence_relation): Print more details.
9803 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9804 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9805 (save_dist_v, save_dir_v, add_outer_distances,
9806 build_classic_dist_vector_1): New.
9807 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9808 Don't test for lambda_vector_lexico_pos.
9809 (same_access_functions, add_multivariate_self_dist,
9810 add_other_self_distances, dir_from_dist): New.
9811 (build_classic_dir_vector): Replace implementation almost identical to
9812 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9814 (subscript_dependence_tester_1): New.
9815 (subscript_dependence_tester): Handle the lexicographically negative
9816 distance vectors by recomputing the dependence relation.
9817 (compute_affine_dependence): Remove parameter loop_nest_depth.
9818 (compute_self_dependence): Don't call compute_subscript_distance.
9819 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9820 Add a parameter for the loop_nest.
9821 (find_loop_nest_1, find_loop_nest): New.
9822 (compute_data_dependences_for_loop): Compute the loop nest, and give
9823 up if the nest is not well formed.
9824 * tree-data-ref.h (loop_p): New.
9825 (struct data_dependence_relation): Replace size_vect field with
9826 loop_nest, a vec of loops.
9827 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9828 (DDR_LOOP_NEST): New.
9829 (print_dir_vectors, print_dist_vectors,
9830 debug_data_dependence_relation): Declared.
9831 (index_in_loop_nest): New.
9832 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9833 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9836 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9838 * simplify-rtx.c (simplify_relational_operation): Call
9839 simplify_relational_operation_1 even if mode is VOIDmode.
9841 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9843 PR tree-optimization/26804
9844 * tree.h (DECL_CALL_CLOBBERED): New macro.
9845 (tree_decl_common): Add call_clobbered_flag.
9846 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9847 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9848 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9849 (mark_non_addressable): Ditto.
9850 * tree-ssa.c (verify_call_clobbered): New function.
9851 (verify_alias_info): Use it.
9852 * tree-pass.h (pass_reset_cc_flags): New prototype.
9853 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9854 (reset_cc_flags): New function.
9855 * passes.c (init_optimization_passes): Call reset_cc_flags after
9856 initializing referenced_vars.
9858 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9859 Roger Sayle <roger@eyesopen.com>
9862 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9863 to 1.0 for non-real operands. Implement A / A optimization for
9866 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9868 * config/i386/i386.c (size_cost): Correct the comment for
9869 cost of storing fp registers.
9870 (i386_cost): Likewise.
9871 (i486_cost): Likewise.
9872 (pentium_cost): Likewise.
9873 (pentiumpro_cost): Likewise.
9874 (k6_cost): Likewise.
9875 (athlon_cost): Likewise.
9876 (k8_cost): Likewise.
9877 (pentium4_cost): Likewise.
9878 (nocona_cost): Likewise.
9879 (generic64_cost): Likewise.
9880 (generic32_cost): Likewise.
9882 2006-03-24 Denis Chertykov <denisc@overta.ru>
9884 * config/avr/avr-protos.h (extra_constraint): Delete.
9885 (extra_constraint_Q): New declaration.
9886 * config/avr/constraints.md: New file.
9887 * config/avr/avr.md: Include it.
9888 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9889 (TMP_REGNO, ZERO_REGNO): Likewise.
9890 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9891 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9892 (extra_constraint): Delete.
9893 (extra_constraint_Q): Test for memory constraint 'Q'.
9894 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9895 (REG_CLASS_FROM_LETTER): Delete.
9896 (CONST_OK_FOR_LETTER_P): Delete.
9897 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9898 (EXTRA_CONSTRAINT): Delete.
9899 (TMP_REGNO): Delete.
9900 (ZERO_REGNO): Delete.
9902 2006-03-24 Jeff Law <law@redhat.com>
9904 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9905 directly. Call mark_new_vars_to_rename slightly earlier.
9907 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9909 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9911 (gen_compile_unit_die): Use new language types for Objective-C and
9913 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9914 DW_LANG_C_plus_plus.
9917 * config/t-darwin (crt3.o): Work around bug 26840.
9918 * config/darwin-crt3.c: Rewrite.
9919 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9921 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9923 * doc/invoke.texi: Document -femit-class-debug-always
9924 * common.opt: Add -femit-class-debug-always.
9926 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9928 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9929 index and base register.
9930 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9931 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9932 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9933 REGNO_OK_FOR_INDEX_P.
9934 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9936 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9937 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9938 REG_OK_FOR_BASE_P): Definitions removed.
9940 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9943 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9944 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9945 set yet or weren't marked as local yet.
9947 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9949 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9952 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9954 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9955 (rs6000_legitimate_small_data_p): Delete.
9956 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9957 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9958 and make static. Add forward declaration. Update uses.
9959 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9960 of offsettable_memref_p.
9961 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9962 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9964 2006-03-24 Jeff Law <law@redhat.com>
9966 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9967 around bug in immediate-use iterator.
9969 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9972 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9973 or __LITTLE_ENDIAN__.
9975 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9977 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9978 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9979 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9980 * config/sh/sh.opt (mdiv=): Amend description.
9981 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9982 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9983 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9984 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9985 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9986 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9987 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9988 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9989 TARGET_DIVIDE_CALL_FP.
9991 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9993 * haifa-sched.c (choose_ready): Fix type of the local variable.
9994 Move local variables. Add comment.
9995 (check_reg_live): Change signature. Make callable from debugger.
9996 * sched-int.h (check_reg_live): Update signature.
9997 * sched-ebb.c (check_reg_live): Update parameters.
9998 * sched-rgn.c (check_reg_live): Ditto.
9999 (region_head_or_leaf_p): Check pointer before dereferencing.
10000 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10001 before reload on optimization levels below 1.
10003 2006-03-23 Richard Henderson <rth@redhat.com>
10005 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10009 * config/alpha/predicates.md (local_symbolic_operand): Reject
10012 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10015 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10016 expressions which have overflowed constants.
10018 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10020 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10022 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10024 * cfgloopmanip.c (create_loop_notes): Removed.
10025 * final.c (final_scan_insn): Do not handle loop notes.
10026 * jump.c (squeeze_notes): Ditto.
10027 * cfglayout.c (skip_insns_after_block,
10028 duplicate_insn_chain): Ditto.
10029 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10031 * cfgloop.h (create_loop_notes): Declaration removed.
10033 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10035 * varasm.c (output_constant_pool): Restore fnname and fndecl
10037 (assemble_start_function): Adjust call accordingly.
10038 (assemble_end_function): Likewise.
10040 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10043 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10046 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10048 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10051 * system.h (ICE_EXIT_CODE): New macro.
10052 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10053 (diagnostic_action_after_output): Likewise.
10054 * gcc.c (fatal_ice): New function.
10055 (execute): Use it instead of fatal.
10056 (fancy_abort): Likewise.
10057 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10059 2006-03-22 Jeff Law <law@redhat.com>
10061 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10062 iv_analyze_result returning false.
10064 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10066 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10068 2006-03-22 Richard Henderson <rth@redhat.com>
10070 PR middle-end/26084
10071 * except.c (duplicate_eh_regions_0): New.
10072 (duplicate_eh_region_1): Duplicate the children of the node as
10073 well as the node itself. Link them up properly.
10074 (duplicate_eh_region_2): Merge into ...
10075 (duplicate_eh_regions): ... here. Take copy_region argument, and
10076 copy only a sub-tree if asked. Simplify copying and fixup.
10077 (eh_region_outer_p): New.
10078 * except.h (duplicate_eh_regions): Update decl.
10079 (eh_region_outer_p): Declare.
10080 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10081 (lower_omp_master): Likewise.
10082 (lower_omp_ordered): Likewise.
10083 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10084 (move_stmt_r): Use it to remap labels. Handle recursion vs
10085 remap_decls_p properly.
10086 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10087 (find_outermost_region_in_block): New.
10088 (new_label_mapper): New.
10089 (move_sese_region_to_fn): Copy eh information to the new function
10091 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10093 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10096 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10098 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10099 into shared libraries.
10101 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10103 * doc/md.texi: Refer to i386/constraints.md instead of
10104 i386/predicates.md.
10105 * config/i386/constraints.md: New file, extracted from...
10106 * config/i386/predicates.md: ...here.
10107 * config/i386/i386.md: Include constraints.md.
10109 2006-03-21 Jason Merrill <jason@redhat.com>
10111 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10113 PR middle-end/20297
10114 * expr.c (init_block_move_fn): Force default visibility.
10115 (init_block_clear_fn): Likewise.
10116 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10117 * targhooks.c (default_external_stack_protect_fail): Likewise.
10119 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10121 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10122 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10123 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10124 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10125 (loadgp): Use mips_current_loadgp_style.
10126 (loadgp_noshared): New pattern.
10127 (sibcall_internal): Use MIPS_CALL.
10128 (sibcall_value_internal): Likewise.
10129 (sibcall_value_multiple_internal): Likewise.
10130 (call_internal): Likewise.
10131 (call_value_internal): Likewise.
10132 (call_value_multiple_internal): Likewise.
10133 (call_split): Use MIPS_CALL and add an 'S' constraint.
10134 (call_value_split): Likewise.
10135 (call_value_multiple_split): Likewise.
10136 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10137 (-mshared): New option.
10138 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10139 (mips_current_loadgp_style): Declare.
10140 * config/mips/mips.c (mips_classify_symbol): Avoid using
10141 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10142 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10143 TARGET_ABSOLUTE_ABICALLS.
10144 (override_options): Adjust comments. Improve the warning that is
10145 issued when -mabicalls and -G are used together.
10146 (mips_file_start): Remove comment.
10147 (mips_current_loadgp_style): New function.
10148 (mips_gnu_local_gp): New variable.
10149 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10151 (mips_output_function_prologue): Use mips_current_laodgp_style.
10152 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10153 the cprestore instruction.
10154 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10155 live for TARGET_ABSOLUTE_ABICALLS.
10156 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10157 (ASM_SPEC): Pass down -mshared and -mno-shared.
10158 (MIPS_CALL): New macro.
10159 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10161 * doc/invoke.texi (-mabicalls): Update documentation.
10162 (-mshared): Document.
10164 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10166 * config/ia64/unwind-hpux.c: New file.
10167 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10169 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10172 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10174 2006-03-21 Jeff Law <law@redhat.com>
10176 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10177 type conversions of a VR_VARYING source to a wider type.
10179 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10181 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10182 tm_file on Solaris 10 and later.
10183 (sparc64-*-solaris2*): Likewise.
10184 (sparc-*-solaris2*): Likewise.
10185 * config/sol26.h: Rename to config/sol2-6.h.
10186 * config/sol2-10.h: New file.
10188 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10191 * tree-ssa-pre.c (create_component_ref_by_pieces):
10194 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10197 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10198 return it immediately.
10200 2006-03-21 Michael Matz <matz@suse.de>
10202 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10204 (remove_arc, add_arc): Update num_out_arcs member.
10205 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10207 (cache_presence): New function.
10208 (compare_states_for_equiv): New function.
10209 (state_is_differed): Don't take number of outargs, adjust callers.
10210 Use new invariant for speeding up.
10211 (init_equiv_class): Create initial classes based on sorted
10213 (partition_equiv_class): Don't track out_arcs_num.
10214 (evaluate_equiv_classes): Call cache_presence on all states and
10217 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10219 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10220 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10221 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10222 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10224 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10225 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10226 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10227 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10228 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10230 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10231 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10232 (REGNO_REG_CLASS): ARGP is in PREGS.
10233 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10235 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10236 to deal with those addresses.
10237 * addresses.h: New file.
10238 * caller-save.c: Include "addresses.h".
10239 (init_caller_save): Use new base_reg_class function.
10240 * rtl-factoring.c: Include "addresses.h".
10241 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10242 * recog.c: Include "addresses.h".
10243 (preprocess_constraints): Use new base_reg_class function.
10244 * regrename.c: Include "addresses.h".
10245 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10246 functions. Keep track of a new var INDEX_CODE to compute valid
10248 (replace_oldest_value_addr): Likewise.
10249 (replace_oldest_value_mem): Use base_reg_class.
10250 * reload.c: Include "addresses.h".
10251 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10252 (find_reloads): Use new base_reg_class function.
10253 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10254 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10255 all callers and prototype changed.
10256 * reload1.c: Include "addresses.h".
10257 (maybe_fix_stack_asms): Use base_reg_class.
10258 * regclass.c: Include "addresses.h".
10259 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10260 (init_reg_autoinc): Use new base_reg_class function.
10261 (record_reg_classes): Likewise.
10262 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10263 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10264 Use new args to compute necessary class.
10266 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10267 regrename.o, rtl-factoring.o): Update dependencies.
10268 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10269 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10270 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10271 REG_OK_FOR_INDEX_P): Delete documentation.
10273 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10275 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10276 from V7 to V9 for Solaris 7 and above.
10278 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10280 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10281 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10282 argument pointers may not alias any other storage.
10283 * common.opt: Define option -fargument-noalias-anything.
10284 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10285 alias semantics is specified by flag_argument_noalias > 2.
10287 2006-03-20 Jeff Law <law@redhat.com>
10289 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10290 (pass_phi_only_cprop): Declare.
10291 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10292 with phi_only_cprop
10293 * tree-ssa-dom.c (degenerate_phi_result): New function.
10294 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10295 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10296 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10297 (eliminate_degenerate_phis): Likewise.
10298 (pass_phi_only_cprop): New pass descriptor.
10299 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10300 support code. Callers updated.
10301 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10302 (store_copy_prop): Likewise.
10303 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10305 2006-03-20 Jason Merrill <jason@redhat.com>
10308 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10309 (push_visibility, pop_visibility): Likewise.
10310 * c-pragma.h: Declare them.
10312 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10314 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10316 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10317 parameter and use get_ebb_head_tail.
10318 (sh_md_init_global): Adjust uses of find_regmode_weight.
10320 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10322 * function.h (struct function) <x_tail_recursion_reentry>:
10323 Rename to x_stack_check_probe_note.
10324 (tail_recursion_reentry): Rename to stack_check_probe_note.
10325 * function.c: Replace tail_recursion_reentry with
10326 stack_check_probe_note everywhere.
10327 (expand_function_start): Only emit a note for
10328 stack_check_probe_note with -fstack-protect.
10329 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10331 * emit-rtl.c (remove_unnecessary_notes): Remove.
10332 (pass_remove_unnecessary_notes): Remove.
10333 * rtl.h (remove_unnecessary_notes): Remove prototype.
10334 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10335 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10336 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10338 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10341 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10342 (valid_in_set): Handle ARRAY_REF.
10343 Change "if min_variant or VH" to asserts.
10344 (create_component_ref_by_pieces): Handle ARRAY_REF.
10345 (create_expression_by_pieces): Likewise.
10346 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10348 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10350 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10351 is operand of switch, not str[0].
10353 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10355 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10356 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10358 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10360 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10361 end of insn_extra_address_constraint declaration.
10363 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10365 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10366 (no-sum-in-toc): Same.
10367 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10369 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10370 NO_FP_IN_TOC for -fPIC instead of mask.
10372 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10373 (BOOT_LDFLAGS): Delete.
10375 * config/rs6000/t-aix52: Same.
10377 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10378 (stmsi[345678]_power): New.
10380 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10382 * config/ia64/ia64.opt: Add empty line to end of file.
10384 2006-03-17 Richard Guenther <rguenther@suse.de>
10386 PR middle-end/26721
10387 * builtins.c (get_pointer_alignment): For component style references
10388 adjust alignment to the component type alignment. Make sure
10389 to adjust alignment for component access of constants.
10391 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10393 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10394 unconditional jump.
10396 2006-03-17 Paul Brook <paul@codesourcery.com>
10398 * doc/install.texi: Docuemnt --with-mode.
10399 * config.gcc: Add --with-mode for arm*-*-*.
10400 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10402 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10404 * sh.c (max_labelno_before_reorg): New variable.
10405 (sh_reorg): Initialize it.
10406 (find_barrier): Check max_labelno_before_reorg before using
10407 label_to_alignment. Take length of explicit alignment insns
10408 into account. When seeing a UNSPECV_CONST_END, return it.
10410 * sh.c (fixup_mova): Set mode of affected label to QImode.
10411 (untangle_mova): New function.
10412 (find_barrier): Use it. Check mode of label before decrementing
10414 (sh_reorg): Likewise.
10415 Set mode of all insns back to VOIDmode.
10417 * sh.c (MOVA_LABELREF): New macro.
10418 (mova_p, fixup_mova, sh_reorg): Use it.
10419 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10420 ADDR_DIFF_VEC matches mova.
10422 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10424 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10425 with ATTRIBUTE_UNUSED.
10427 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10429 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10430 pointer, instead of assuming it is possible to derive the
10431 correct args size from a call insn.
10433 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10435 * rtl.h (CONST_INT_P): Define.
10436 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10437 instead of GET_CODE(x) == CONST_INT.
10438 (vax_rtx_costs): Likewise.
10439 (vax_output_int_move): Likewise.
10440 (vax_output_int_add): Likewise.
10441 (legitimate_constant_address_p): Likewise.
10442 (index_term_p): Likewise.
10443 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10444 * config/vax/vax.md (and<mode>3): Likewise.
10445 (ashrsi3): Likewise.
10447 (movstricthi): Likewise.
10448 (movstrictqi): Likewise.
10449 (rotrsi3): Likewise.
10450 (five unnamed insns): Likewise.
10452 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10454 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10455 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10456 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10457 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10458 Pass to ASM_OUTPUT_DWARF_OFFSET.
10459 * dwarf2out.c (debug_frame_section): New.
10460 (output_call_frame_info): Use debug_frame_section. Pass it to
10461 dw2_asm_output_offset.
10462 (output_die): Pass appropriate section to dw2_asm_output_offset.
10463 (output_compilation_unit_header): Likewise.
10464 (output_pubnames): Likewise.
10465 (output_aranges): Likewise.
10466 (enum dw_val_class): Break dw_val_class_lbl_offset into
10467 dw_val_class_lineptr and dw_val_class_macptr.
10468 (add_AT_lbl_offset): Delete.
10469 (add_AT_lineptr): New.
10470 (add_AT_macptr): New.
10471 (AT_lbl): Expect a lineptr or macptr.
10472 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10473 (attr_checksum): Likewise.
10474 (same_dw_val_p): Likewise.
10475 (size_of_die): Likewise.
10476 (value_format): Likewise.
10477 (output_die): Likewise.
10478 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10480 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10481 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10482 * config/darwin-protos.h (darwin_file_start): New.
10483 (darwin_asm_output_dwarf_offset): New.
10484 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10485 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10487 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10488 if not EH section; simplify.
10489 (darwin_file_start): New.
10490 (darwin_asm_output_dwarf_offset): New.
10491 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10493 (DEBUG_INFO_SECTION): Likewise.
10494 (DEBUG_ABBREV_SECTION): Likewise.
10495 (DEBUG_ARANGES_SECTION): Likewise.
10496 (DEBUG_MACINFO_SECTION): Likewise.
10497 (DEBUG_LINE_SECTION): Likewise.
10498 (DEBUG_LOC_SECTION): Likewise.
10499 (DEBUG_PUBNAMES_SECTION): Likewise.
10500 (DEBUG_STR_SECTION): Likewise.
10501 (DEBUG_RANGES_SECTION): Likewise.
10502 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10503 (ASM_OUTPUT_DWARF_OFFSET): New.
10505 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10507 * config.gcc (tm_defines): Always add to previous value rather
10510 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10512 * config/mips/predicates.md (splittable_const_int_operand): New,
10513 split from move_operand.
10514 (splittable_symbolic_operand): New.
10515 (move_operand): Add commentary. Use splittable_const_int_operand.
10516 Inline mips_atomic_symbolic_constant_p.
10517 * config/mips/mips.md: Add combine splitters for handling moves
10518 of splittable_const_int_operands and splittable_symbolic_operands.
10519 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10520 (mips_split_symbol): Declare.
10521 (mips_move_integer): Declare.
10522 * config/mips/mips.c (mips_split_p): Make global.
10523 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10524 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10525 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10526 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10527 (mips_offset_within_object_p): Handle block symbols.
10528 (mips_atomic_symbolic_constant_p): Delete.
10529 (mips_cannot_force_const_mem): Return false for constants that
10530 mips_legitimize_move can handle.
10531 (mips_use_blocks_for_constant_p): New function.
10532 (mips_split_symbol): Make global.
10533 (mips_move_integer): Likewise. Add a temporary register argument.
10534 (mips_legitimize_const_move): Use splittable_const_int_operand and
10535 splittable_symbolic_operand.
10536 (mips_use_anchors_for_symbol_p): New function.
10537 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10538 (mips_split_p): Declare.
10540 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10542 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10543 (mips*-*-linux*): Likewise.
10545 2006-03-16 Roger Sayle <roger@eyesopen.com>
10546 Daniel Speyer <dspeyer@wam.umd.edu>
10548 PR middle-end/18259
10549 * tree-dump.c (dump_real): New function.
10550 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10551 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10552 (tree-dump.o): Add $(REAL_H) to the dependencies.
10554 2006-03-16 Roger Sayle <roger@eyesopen.com>
10556 PR middle-end/21781
10557 * real.c (real_from_string): If the mantissa is zero, don't bother
10558 parsing the exponent as the result should always be zero.
10560 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10562 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10564 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10566 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10567 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10568 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10569 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10570 ia64_sched_finish_global): New static functions to implement
10571 hooks from gcc_target.sched.
10572 (spec_check_no, max_uid, pending_data_specs): New static variables.
10573 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10574 ia64_spec_check_src_p): New static functions.
10575 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10576 (TARGET_SCHED_ADJUST_COST): Removed.
10577 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10578 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10579 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10580 TARGET_SCHED_GEN_CHECK,
10581 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10582 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10583 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10584 Fixed to handle speculation checks.
10585 (rtx_needs_barrier): Fixed to handle speculative loads and
10587 (ia64_variable_issue): Added code to count speculative loads and their
10589 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10591 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10593 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10595 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10596 (ia64_reorg): Reset stops_p to NULL after it is freed.
10597 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10598 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10599 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10601 (data_speculative, control_speculative, check_load): New attributes.
10602 (mov<mode>_advanced, mov<mode>_speculative,
10603 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10604 zero_extend<mode>di2_speculative,
10605 zero_extend<mode>di2_speculative_advanced): New patterns for
10606 data and control speculative loads.
10607 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10609 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10610 New pattern for data and control speculation checks.
10611 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10612 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10613 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10614 Auxiliary definitions for the patterns.
10615 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10616 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10618 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10620 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10621 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10622 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10623 New resource constraints.
10624 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10626 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10627 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10628 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10629 msched-in-control-spec, msched-ldc, msched-control-ldc,
10630 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10631 msched-prefer-non-control-spec-insns,
10632 msched-count-spec-in-critical-path): New flags to tune speculative
10634 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10635 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10636 msched-in-control-spec, msched-ldc, msched-control-ldc,
10637 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10638 msched-prefer-non-control-spec-insns,
10639 msched-count-spec-in-critical-path): Document new flags.
10641 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10643 * target.h (struct spec_info_def): New opaque declaration.
10644 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10645 speculate_insn, needs_block_p, gen_check,
10646 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10647 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10648 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10649 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10650 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10651 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10653 (TARGET_SCHED): Use new macros.
10654 * rtl.h (copy_DEPS_LIST_list): New prototype.
10655 * sched-int.h (struct sched_info): Change signature of new_ready field,
10656 adjust all initializations. New fields: add_remove_insn,
10657 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10658 region_head_or_leaf_p.
10659 (struct spec_info_def): New structure declaration.
10660 (spec_info_t): New typedef.
10661 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10662 recovery_block, orig_pat.
10663 (glat_start, glat_end): New variables declaraions.
10664 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10666 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10667 DETACH_LIFE_INFO, USE_GLAT.
10668 (enum SPEC_SCHED_FLAGS): New enumeration.
10669 (NOTE_NOTE_BB_P): New macro.
10670 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10671 attach_life_info, debug_spec_status, check_reg_live): New functions.
10672 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10673 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10675 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10676 * ddg.c (get_block_head_tail): Adjust all uses.
10677 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10678 (sms_sched_info): Initialize new fields.
10679 (contributes_to_priority): Removed.
10680 * haifa-sched.c (params.h): New include.
10681 (get_block_head_tail): Adjust all uses.
10682 (ISSUE_POINTS): New macro.
10683 (glat_start, glat_end): New global variables.
10684 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10685 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10686 old_last_basic_block, before_recovery, current_sched_info_var,
10687 rgn_n_insns, luid): New static variables.
10688 (insn_cost1): New function. Move logic from insn_cost to here.
10689 (find_insn_reg_weight1): New function. Move logic from
10690 find_insn_reg_weight to here.
10691 (reemit_notes, move_insn, max_issue): Change signature.
10692 (move_insn1): Removed.
10693 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10694 extend_bb): New static functions to support extension of scheduler's
10696 (generate_recovery_code, process_insn_depend_be_in_spec,
10697 begin_speculative_block, add_to_speculative_block,
10698 init_before_recovery, create_recovery_block, create_check_block_twin,
10699 fix_recovery_deps): New static functions to support
10700 generation of recovery code.
10701 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10702 restore_bb_notes, move_block_after_check, move_succs): New static
10703 functions to support ebb scheduling.
10704 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10705 functions to support handling of register live information.
10706 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10707 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10708 add_jump_dependencies): New static functions.
10709 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10710 consistancy checking.
10711 (debug_spec_status): New function to call from debugger.
10712 (priority): Added code to handle speculation checks.
10713 (rank_for_schedule): Added code to distinguish speculative instructions.
10714 (schedule_insn): Added code to handle speculation checks.
10715 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10716 Fixed to handle ebbs.
10717 (move_insn): Added code to handle ebb scheduling.
10718 (max_issue): Added code to use ISSUE_POINTS of instructions.
10719 (choose_ready): Added code to choose between speculative and
10720 non-speculative instructions.
10721 (schedule_block): Added code to handle ebb scheduling and scheduling of
10722 speculative instructions.
10723 (sched_init): Initialize new variables.
10724 (sched_finish): Free new variables. Print statistics.
10725 (try_ready): Added code to handle speculative instructions.
10726 * lists.c (copy_DEPS_LIST_list): New function.
10727 * sched-deps.c (extend_dependency_caches): New function. Move logic
10728 from create_dependency_caches to here.
10729 (get_dep_weak, ds_merge): Make global.
10730 * genattr.c (main): Code to output prototype for
10731 dfa_clear_single_insn_cache.
10732 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10733 (output_dfa_clean_insn_cache_func): Code to output
10734 dfa_clear_single_insn_cache function.
10735 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10737 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10739 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10740 New static variables.
10741 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10742 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10744 (ebb_sched_info): Initialize new fields.
10745 (get_block_head_tail): Adjust all uses.
10746 (compute_jump_reg_dependencies): Fixed to use glat_start.
10747 (schedule_ebb): Code to remove unreachable last block.
10748 (schedule_ebbs): Added code to update register live information.
10749 * sched-rgn.c (region_sched_info): Initialize new fields.
10750 (get_block_head_tail): Adjust all uses.
10751 (last_was_jump): Removed. Adjust users.
10752 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10753 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10754 Implement new hooks.
10755 (check_dead_notes1): New static function.
10756 (struct region): New fields: dont_calc_deps, has_real_ebb.
10757 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10758 (BB_TO_BLOCK): Fixed to handle EBBs.
10759 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10760 (ebb_head): New static variable.
10761 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10762 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10764 (compute_dom_prob_ps): New assertion.
10765 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10766 global_live_at_start.
10767 (init_ready_list): New assertions.
10768 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10769 (new_ready): Add support for BEGIN_CONTROL speculation.
10770 (schedule_insns): Fixed code that updates register live information
10772 (schedule_region): Fixed to handle EBBs.
10773 (init_regions): Use extend_regions and check_dead_notes1.
10774 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10775 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10776 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10777 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10778 TARGET_SCHED_GEN_CHECK,
10779 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10780 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10781 * doc/invoke.texi (max-sched-insn-conflict-delay,
10782 sched-spec-prob-cutoff): Document.
10784 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10786 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10787 inter_tick, queue_index.
10788 (struct sched_info): Change signature of init_ready_list field.
10789 Adjust all initializations.
10790 (RESOLVED_DEPS): New access macro.
10791 (ready_add): Remove prototype.
10792 (try_ready): Add prototype.
10793 * sched-rgn.c (init_ready_list): Use try_ready.
10794 (schedule_region): Initialize
10795 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10796 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10797 (init_ready_list): Use try_ready.
10798 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10799 * lists.c (remove_list_elem): Remove `static'.
10800 (remove_free_INSN_LIST_elem): New function.
10801 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10802 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10803 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10805 (readyp): New variable.
10806 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10807 change_queue_index, resolve_dep): New static functions.
10808 (try_ready): New function. Adjust callers in sched-rgn.c and
10809 sched-ebb.c to use it instead of ready_add.
10810 (clock_var): Move at the begining of file.
10811 (rank_for_schedule): Fix typo.
10812 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10813 (ready_lastpos): Enforce assertion.
10814 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10815 update all callers.
10816 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10817 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10818 (queue_to_ready): Use free_INSN_LIST_list.
10819 (early_queue_to_ready): Fix typo.
10820 (schedule_block): Init readyp. Move init_ready_list call after the
10821 initialization of clock_var. Fix error in rejecting insn by
10822 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10823 that previously corrected INSN_TICKs. Add code for handling
10825 (set_priorities): Fix typo.
10826 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10827 Clarify comment and code that keeps current_sched_info->next_tail
10830 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10832 * sched-rgn.c (extend_rgns): New static function.
10833 (find_rgns): Use it.
10834 (gather_region_statistics, print_region_statistics): New static
10836 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10837 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10839 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10840 Andrey Belevantsev <abel@ispras.ru>
10842 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10843 * lists.c (unused_deps_list): New variable.
10844 (free_list): Add assertions to verify the proper distinguishing
10845 between INSN_LISTs and DEPS_LISTs.
10846 (find_list_elem, remove_list_elem, remove_list_node): New static
10848 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10849 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10850 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10851 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10853 (free_INSN_LIST_node): Likewise.
10854 * modulo-sched.c (current_sched_info): Initialize flags field.
10855 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10856 * rtl.def (DEPS_LIST): Define.
10857 * rtl.h: Declare new functions from lists.c.
10858 * sched-deps.c (spec_dependency_cache): New static variable.
10859 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10860 (add_dependence): Change return type to void. Move the logic to ...
10861 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10862 (delete_all_dependences): Add comment about forward_dependency_cache.
10863 Handle spec_dependency_cache. Handle DEPS_LISTs.
10864 (fixup_sched_groups): Clarify the change of priority of output
10865 and anti dependencies.
10866 (sched_analyze_2): Adjust add_dependence calls to create data
10867 speculative dependence.
10868 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10869 Adjust all callers. Handle DEPS_LISTS.
10870 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10871 presence of speculation.
10872 (init_dependency_caches, free_dependency_caches):
10873 Handle spec_dependency_cache.
10874 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10875 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10876 New static functions.
10877 (add_or_update_back_dep, add_or_update_back_forw_dep,
10878 add_back_forw_dep, delete_back_forw_dep): New functions.
10879 * sched-int.h (ds_t, dw_t): New typedefs.
10880 (struct sched_info): Add new field flags.
10881 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10882 Prototype new sched-deps.c functions.
10883 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10884 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10885 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10886 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10887 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10888 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10890 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10892 * sched-rgn.c (current_sched_info): Initialize flags field.
10893 (schedule_insns): Initialize current_sched_info before the sched_init
10895 * sched-ebb.c (current_sched_info): Initialize flags field.
10896 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10897 Call add_or_update_back_dep instead of add_dependence.
10898 Create control speculative dependencies.
10899 (schedule_insns): Initialize current_sched_info before the sched_init
10902 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10904 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10906 (sh_fallback_frame_state): Likewise.
10908 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10910 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10911 Do switch on default_use_cxa_atexit.
10912 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10913 * config/darwin-crt3.o: New.
10914 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10915 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10916 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10918 * config/rs6000/t-darwin: Move crt2.o building to here.
10919 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10920 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10923 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10925 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10926 from '! xxx' to '!xxx' for coding-style conformance.
10927 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10928 (EXTRA_CONSTRAINT): Likewise.
10929 * config/vax/vax.md (four unnamed insns): Likewise.
10931 2006-03-15 Paul Brook <paul@codesourcery.com>
10933 * config/arm/arm.c (minipool_pad): New.
10934 (add_minipool_forward_ref): Include pool alignment padding in address
10936 (push_minipool_fix): Set minipool_pad.
10937 (minipool_pad): Ditto.
10939 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10941 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10942 instead of GET_CODE() == MEM and REG_P() instead of
10944 (print_operand_address): Likewise.
10945 (vax_address_cost): Likewise.
10946 (vax_rtx_costs): Likewise.
10947 (vax_notice_update_cc): Likewise.
10948 (vax_output_int_add): Likewise.
10949 (INDEX_REGISTER_P): Likewise.
10950 (BASE_REGISTER_P): Likewise.
10951 (nonindexed_address_p): Likewise.
10952 (vax_mode_dependent_address_p): Likewise.
10953 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10954 (PRINT_OPERAND): Likewise.
10955 * config/vax/vax.md (ashlsi3): Likewise.
10956 (ashlsi3): Likewise.
10957 (some more unnamed insns): Likewise.
10959 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10961 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10962 iterator-style macro.
10963 (mark_control_dependent_edges_necessary): Update the use of
10964 EXECUTE_IF_CONTROL_DEPENDENT.
10966 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10968 * config/sh/predicates.md (cache_address_operand): Special.
10969 (ua_address_operand): Likewise.
10971 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10973 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10975 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10977 2006-03-15 Andreas Schwab <schwab@suse.de>
10979 * gensupport.c (identify_predicable_attribute): Don't free p_false
10980 when it is still in use.
10982 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10984 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10985 the default setting here.
10987 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10989 * tree-pass.h (pass_cfg): Remove.
10990 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10991 * passes.c (pass_cfg): Don't run it.
10993 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10995 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10996 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10998 (stack_regs_mentioned): Update the uses of
10999 stack_regs_mentioned_data. Don't access the array beyond its
11001 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11002 Don't include gt-reg-stack.h.
11004 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11005 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11007 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11009 PR middle-end/26684
11010 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11013 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11015 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11017 2006-03-14 Richard Guenther <rguenther@suse.de>
11019 PR tree-optimization/26672
11020 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11023 2006-03-14 Richard Guenther <rguenther@suse.de>
11025 PR tree-optimization/26667
11026 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11027 node for the callees. Always allow inlining if it will shrink
11030 2006-03-14 Richard Guenther <rguenther@suse.de>
11032 PR middle-end/26659
11033 * builtins.c (get_pointer_alignment): Prefer alignment
11034 information from decls over that from types.
11036 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11039 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11041 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11043 * config/rs6000/rs6000.opt (mdlmzb): New option.
11044 (msched-prolog, msched-epilog): Use Var not Mask.
11045 * doc/invoke.texi (-mdlmzb): Document.
11046 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11048 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11049 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11051 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11053 PR rtl-optimization/25739
11054 * bt-load.c (augment_live_range): Free tos pointer.
11056 * gensupport.c (identify_predicable_attribute): Free
11058 * gcov.c (create_file_names): Free name pointer.
11060 2006-03-13 Roger Sayle <roger@eyesopen.com>
11062 PR middle-end/26557
11063 * stmt.c (emit_case_nodes): Handle the case where the index is a
11064 CONST_INT, where the comparison mode is specified by the index type.
11066 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11068 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11071 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11073 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11074 (*branch_fp_inverted): Likewise.
11076 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11078 PR middle-end/25989
11079 * omp-low.c (expand_omp_for_generic): Mark istart0
11080 and iend0 as addressable.
11082 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11084 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11086 2006-03-13 Jeff Law <law@redhat.com>
11088 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11089 virtual operands are interesting.
11090 (vrp_visit_stmt): Corresponding changes.
11092 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11094 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11096 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11097 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11098 * config/bfin/crti.S: Use it instead of __PIC__.
11099 * config/bfin/crtn.S: Likewise.
11101 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11102 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11104 Lose 'G' modifier for call operand.
11105 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11106 recognize 'G' modifier.
11108 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11110 PR middle-end/18859
11111 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11112 * stmt.c (expand_case): Likewise.
11114 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11116 PR rtl-optimization/26254
11117 * loop-invariant.c (seq_insns_valid_p): New function.
11118 (move_invariant_reg): Only emit new code if it is valid.
11120 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11122 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11124 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11125 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11126 (commit_one_edge_insertion): Do not look for loop notes.
11128 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11130 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11131 flag_test_coverage out of loop.
11133 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11135 * final.c (shorten_branches): Remove outdated comment, and turn
11136 the if branch that guards it to continue.
11138 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11140 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11141 * cfgloop.h (struct loop): Remove unused fields.
11143 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11145 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11146 (-dL, -fdump-rtl-loop2): Update the dump file names
11148 * doc/invoke.texi: Update dump file names.
11150 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11152 * predict.c (estimate_probability): Remove.
11153 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11154 * basic-block.h (estimate_probability): Remove prototype.
11155 * passes.c (finish_optimization_passes): Dump branch prediction or
11156 profiling heuristics to the .profile tree dump.
11157 (init_optimization_passes): Unqueue pass_branch_prob.
11159 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11161 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11163 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11164 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11166 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11168 * function.h (frame_offset_overflow): Declare.
11169 * function.c (frame_offset_overflow): New function.
11170 (assign_stack_local_1): Call it to detect that the offset overflows.
11171 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11173 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11175 * config/sh/sh.c: Include alloc-pool.h.
11176 (label_ref_list_pool): New alloc pool.
11177 (label_ref_list_t): New type for lists of labels.
11178 (struct pool_node): Make wend a label_ref_list_t.
11179 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11181 (dump_table): Likewise.
11182 (sh_reorg): Set up the alloc pool before using add_constant and
11183 dump_table, and destroy it when finishing.
11185 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11187 * config/mips/mips.c: Remove redundant comment.
11189 2006-03-10 Jason Merrill <jason@redhat.com>
11192 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11193 the target was declared 'register'.
11195 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11197 * genpreds.c (write_insn_constraint_len): Change definition of
11198 insn_constraint_len to return size_t to match the declaration.
11200 2006-03-10 DJ Delorie <dj@redhat.com>
11202 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11204 (m32c_expand_insv): Fix test for an AND mask.
11206 2006-03-10 Richard Guenther <rguenther@suse.de>
11208 PR middle-end/26565
11209 * builtins.c (get_pointer_alignment): Handle component
11210 references for field alignment.
11212 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11214 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11215 when building with libgloss.
11216 (sh*elf): Implement --without-fp option.
11217 (sh64-superh-linux*): Don't multilib.
11219 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11221 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11223 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11225 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11226 Set it when one of the replacement functions returned true.
11227 Return TODO_cleanup_cfg if cfgchanged is true.
11228 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11230 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11232 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11233 instead of gen_lowpart.
11235 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11237 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11239 (mips_output_order_conditional_branch): Declare.
11240 * config/mips/mips.h (MIPS_BRANCH): New macro.
11241 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11242 for the comparison. Use gen_condjump.
11243 (mips_output_conditional_branch): Rework interface to take the
11244 asm templates for a direct branch and the inverse of a direct branch.
11245 (mips_output_order_conditional_branch): New function.
11246 (mips_builtin_branch_and_move): New function.
11247 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11248 branch condition. Use gen_single_cc as the condition for
11249 __builtin_mips_upper_* or __builtin_mips_lower_*.
11250 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11251 Use VOIDmode for the branch condition.
11252 * config/mips/predicates.md (order_operator): New predicate.
11253 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11254 (branch_fp): Rename to...
11255 (*branch_fp): ...this. Remove mode from comparison operator.
11256 Use new mips_output_conditional_branch interface.
11257 (branch_fp_inverted): Rename to...
11258 (*branch_fp_inverted): ...this and update as for *branch_fp.
11259 (*branch_zero<mode>): Rename to...
11260 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11261 Use mips_output_order_conditional_branch. Only accept ordered
11263 (*branch_zero<mode>_inverted): Rename to...
11264 (*branch_order<mode>_inverted): ...this and update as for
11265 *branch_order<mode>.
11266 (*branch_equality<mode>): Accept zero as the second operand to
11267 the equality operator. Use the new mips_output_conditional_branch
11269 (*branch_equality<mode>_inverted): Likewise.
11270 (condjump): New expander.
11271 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11273 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11274 (bc1any2t, bc1any2f): Likewise.
11275 (single_cc): New expander.
11276 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11278 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11280 * doc/md.texi: Update documentation of MIPS constraints.
11281 * config/mips/constraints.md: New file.
11282 * config/mips/mips.md: Include it.
11283 * config/mips/mips.c (mips_char_to_class): Delete.
11284 (override_options): Don't initialize mips_char_to_class.
11285 * config/mips/mips.h (mips_char_to_class): Delete.
11286 (REG_CLASS_FROM_LETTER): Delete.
11287 (CONST_OK_FOR_LETTER_P): Delete.
11288 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11289 (EXTRA_CONSTRAINT_Y): Delete.
11290 (EXTRA_CONSTRAINT_STR): Delete.
11291 (CONSTRAINT_LEN): Delete.
11292 (EXTRA_MEMORY_CONSTRAINT): Delete.
11294 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11296 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11297 original fn's eh regions.
11299 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11301 * fold-const.c (build_range_check): Make sure to use a valid type to
11302 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11305 (range_predecessor): New static function.
11306 (range_successor): Likewise.
11307 (merge_ranges): Use them to compute predecessors and successors of
11310 2006-03-09 Roger Sayle <roger@eyesopen.com>
11312 PR middle-end/26561
11313 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11314 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11316 2006-03-08 DJ Delorie <dj@redhat.com>
11318 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11319 (addpsi3): Expand to include memory operands. Remove
11320 reload-specific splits.
11321 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11322 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11323 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11324 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11325 (shift1_qi, shift1_hi, insv): New.
11326 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11327 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11328 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11330 * config/m32c/m32c-protos.h: Update as needed.
11331 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11332 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11333 Fail for unrecognized R* constraints.
11334 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11335 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11336 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11338 (m32c_init_libfuncs): New.
11339 (m32c_legitimate_address_p): Add debug wrapper.
11340 (m32c_rtx_costs): New.
11341 (m32c_address_cost): New.
11342 (conversions): Add 'B' prefix.
11343 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11344 operands, or word regnames for QI operands. 'B' prints bit
11346 (m32c_expand_setmemhi): New.
11347 (m32c_expand_movmemhi): New.
11348 (m32c_expand_movstr): New.
11349 (m32c_expand_cmpstr): New.
11350 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11351 (m32c_expand_neg_mulpsi3): Handle non-ints.
11352 (m32c_cmp_flg_0): New.
11353 (m32c_expand_movcc): New.
11354 (m32c_expand_insv): New.
11355 (m32c_scc_pattern): New.
11356 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11357 a0/a1 out of SIregs.
11358 (STORE_FLAG_VALUE): New.
11359 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11362 * config/m32c/mov.md: Make constraints more liberal.
11363 (zero_extendqihi2): Optimize r0/r1 case.
11364 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11365 * config/m32c/predicates.md (m32c_any_operand): New.
11366 (m32c_nonimmediate_operand): New.
11367 (m32c_hl_operand): New.
11368 (m32c_r3_operand): New.
11371 (memsym_operand): New.
11372 (memimmed_operand): New.
11373 (a_qi_operand): New.
11374 (m32c_eqne_operator): New.
11375 (m32c_1bit8_operand): New.
11376 (m32c_1bit16_operand): New.
11377 (m32c_1mask8_operand): New.
11378 (m32c_1mask16_operand): New.
11379 * config/m32c/blkmov.md: New file.
11380 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11382 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11384 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11385 unsigned to fix signed/unsigned comparison issue in
11386 DWARF2_FRAME_REG_OUT.
11387 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11388 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11390 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11391 of ptr into the ENABLE_CHECKING section.
11393 2006-03-08 Jeff Law <law@redhat.com>
11395 * tree-vrp.c (infer_value_range): Only count pointer uses
11396 and dereferences if -fdelete-null-pointer-checks is enabled.
11398 * tree-vrp.c (find_assert_locations): Infer value ranges for
11399 single use pointers, but do not create ASSERT_EXPRs for them.
11400 When a non-null range is inferred for a pointer, backwards
11401 propagate that range to other equivalent pointers through the
11404 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11407 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11408 language hook targets.
11409 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11410 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11411 if language hook targets were missing.
11413 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11415 * tree-ssa-opfinalize.h: Removed.
11416 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11418 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11419 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11420 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11421 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11422 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11423 finalize_ssa_v_must_def_ops): New.
11425 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11427 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11428 block as parameter.
11430 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11432 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11434 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11435 addresses with offsets; reorganize.
11437 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11438 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11439 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11441 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11444 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11446 2006-03-08 Ben Elliston <bje@au.ibm.com>
11448 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11450 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11453 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11456 2006-03-07 Richard Guenther <rguenther@suse.de>
11458 PR tree-optimization/26587
11459 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11461 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11463 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11465 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11467 * hooks.c (hook_bool_mode_rtx_true): New function.
11468 * hooks.h (hook_bool_mode_rtx_true): Declare.
11469 * toplev.c (compile_file): Call output_shared_constant_pool.
11470 * varasm.c (shared_constant_pool): New variable.
11471 (assemble_start_function, assemble_end_function): Remove arguments
11472 from call to output_constant_pool.
11473 (create_constant_pool): New function, split out from...
11474 (init_varasm_status): ...here.
11475 (force_const_mem): Choose between the shared and per-function constant
11476 pools. Set current_function_uses_const_pool when reusing old entries
11477 as well as when creating new ones.
11478 (mark_constant): Ignore data argument.
11479 (mark_constants): Remove pool argument.
11480 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11481 to decide whether the function uses a constant pool.
11482 (output_constant_pool_contents): New function, split out from...
11483 (output_constant_pool): ...here.
11484 (output_shared_constant_pool): New function.
11485 (init_varasm_once): Initialize shared_constant_pool.
11486 * output.h (output_constant_pool): Delete.
11487 (output_shared_constant_pool): Declare.
11488 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11489 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11491 2006-03-06 Nick Clifton <nickc@redhat.com>
11493 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11494 flag_strength_reduce.
11496 2006-03-06 Ben Elliston <bje@au.ibm.com>
11498 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11499 x86_64-*-linux* configurations.
11501 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11502 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11504 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11506 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11508 * basic-block.h: Remove the extern for
11509 rediscover_loops_after_threading.
11511 * cfgloop.c (cancel_loop): Make it static.
11512 * cfgloop.h: Remove the prototype for cancel_loop.
11514 * flow.c (recompute_reg_usage): Make it static.
11515 * rtl.h: Remove the prototype for recompute_reg_usage.
11517 * function.c (use_return_register): Make it static.
11518 * function.h: Remove the prototype.
11520 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11522 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11524 * recog.h: Remove the prototype for
11525 validate_change_maybe_volatile.
11527 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11529 * rtlanal.c (replace_reg): Remove.
11530 * rtl.h: Remove the prototype for replace_reg.
11532 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11534 * regclass.c (reg_scan_update): Remove.
11535 (reg_scan_mark_refs): Remove the last argument.
11536 * rtl.h: Remove the prototype for reg_scan_update.
11538 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11540 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11541 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11542 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11543 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11544 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11545 loop-invariant.c, omp-low.c, opts.c, passes.c,
11546 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11547 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11548 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11549 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11550 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11551 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11553 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11555 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11556 * dwarf2out.h: Remove the prototype for
11557 dwarf2out_add_library_unit_info.
11559 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11561 * tree.c (add_var_to_bind_expr): Remove.
11562 * tree.h: Remove the prototype for add_var_to_bind_expr.
11564 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11566 * regclass.c (n_non_fixed_regs): Remove.
11567 (init_reg_sets_1, globalize_reg): Remove all uses of
11569 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11571 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11573 * rtlanal.c (insns_safe_to_move_p): Remove.
11574 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11576 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11578 * expmed.c (expand_mult_add): Remove.
11579 * expr.h: Remove the prototype for expand_mult_add.
11581 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11583 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11584 and REG_SAVED_VAL_EXP constants.
11585 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11586 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11587 Handle regs stored by value.
11588 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11589 (execute_cfa_program): Handle DW_CFA_val_offset,
11590 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11591 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11592 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11593 (uw_install_context_1): Handle target regs stored by value.
11595 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11597 * tree-sra.c (tree_sra): Return todoflags;
11598 (generate_one_element): Set TODO_update_smt_usage if needed.
11599 (pass_sra): Remove TODO_update_smt_usage.
11600 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11602 (tree_ssa_forward_propagate_single_use_vars): Return
11603 TODO_update_smt_usage if we need to update SMT usage.
11604 (pass_forwprop): Remove TODO_update_smt_usage.
11606 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11608 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11609 (correct_use_link): Remove reference to get_stmt_operands.
11610 (update_stmt_operands): Likewise.
11611 (get_modify_expr_operands): New function factored out of
11612 parse_ssa_operands and get_expr_operands.
11613 Try to create V_MUST_DEFs for LHS by default.
11614 (get_expr_operands) <case MODIFY_EXPR>: Call
11615 get_modify_expr_operands.
11616 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11617 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11618 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11619 get_modify_expr_operands.
11621 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11623 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11624 * tree-flow.h: Remove the prototype for
11625 referenced_var_lookup_if_exists.
11627 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11629 PR rtl-optimization/26345
11631 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11633 2006-03-03 Roger Sayle <roger@eyesopen.com>
11635 PR tree-optimization/26524
11636 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11637 fold_convert to create a constant of the appropriate type.
11639 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11641 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11642 SYMBOL_REF_IN_BLOCK_P.
11643 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11644 of SYMBOL_FLAG_IN_BLOCK.
11645 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11646 instead of SYMBOL_REF_IN_BLOCK_P.
11647 * explow.c (use_anchored_address): Likewise.
11648 * rtl.c (rtx_size): Likewise.
11649 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11650 instead of SYMBOL_FLAG_IN_BLOCK.
11651 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11652 SYMBOL_REF_IN_BLOCK_P.
11653 (assemble_variable): Likewise.
11654 (output_constant_def_contents): Likewise.
11655 (output_constant_pool): Likewise.
11656 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11657 instead of SYMBOL_FLAG_IN_BLOCK.
11658 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11659 SYMBOL_REF_IN_BLOCK_P.
11660 (SYMBOL_REF_BLOCK): Likewise.
11661 (SYMBOL_REF_OFFSET): Likewise.
11662 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11663 SYMBOL_REF_IN_BLOCK_P.
11664 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11665 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11666 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11667 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11669 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11671 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11673 2006-03-02 Roger Sayle <roger@eyesopen.com>
11675 * simplify-rtx.c (simplify_unary_operation): When simplifying
11676 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11677 that we perform the right shift in the appropriate mode, and
11678 then extend or truncate the result to requested mode.
11680 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11682 * gengtype.c (main): Handle double_int type.
11683 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11684 * double-int.c: New file.
11685 * double-int.h: New file.
11686 * system.h: Include doubleint.h.
11687 * Makefile.in (SYSTEM_H): Include double-int.h.
11688 (double-int.o): Add.
11690 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11693 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11696 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11698 * tree-vrp.c (remove_range_assertions): Do not update statements
11701 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11703 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11705 * gcse.c (rest_of_handle_gcse): Ditto.
11706 * except.c (gate_handle_eh): Ditto.
11707 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11708 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11710 2006-03-02 Eric Christopher <echristo@apple.com>
11712 * config/i386/i386.c (machopic_output_stub): Add indirection to
11715 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11719 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11721 Sun Niagara specific optimizations.
11722 * config.gcc: Recognize niagara as target.
11723 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11724 (TARGET_CPU_niagara): Define.
11725 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11726 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11727 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11728 (ASM_CPU_SPEC): Likewise.
11729 (PROCESSOR_NIAGARA): New enum entry.
11730 (REGISTER_MOVE_COST): Handle Niagara.
11731 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11732 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11733 (sparc_override_options): Recognize "niagara", set appropriate
11734 default MASK_* values for it, and align functions to 32-bytes
11735 by default just like ULTRASPARC/ULTRASPARC3.
11736 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11737 (sparc64_initialize_trampoline): Likewise.
11738 (sparc_use_sched_lookahead): Use zero for niagara.
11739 (sparc_issue_rate): Use one for niagara.
11740 * config/sparc/niagara.md: New file.
11741 * config/sparc/sparc.md: Include it.
11742 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11743 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11744 when default cpu is niagara.
11745 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11746 (ASM_CPU_SPEC): Likewise.
11747 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11748 when default cpu is niagara.
11749 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11750 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11751 just like v9/ultrasparc/ultrasparc3.
11752 * doc/invoke.texi: Add documentation for "niagara" and improve
11753 existing documentation for ultrasparc variants.
11755 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11757 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11759 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11761 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11762 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11763 and say that only one is needed.
11764 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11765 * target.h (have_switchable_bss_sections): New hook.
11766 * explow.c (use_anchored_address): Check that the symbol is in a block.
11767 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11768 (bss_noswitch_section): New variables.
11769 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11770 (get_noswitch_section): New function.
11771 (get_block_for_section): Allow SECT to be null.
11772 (unlikely_text_section_p): Use SECTION_STYLE.
11773 (bss_initializer_p): New function.
11774 (get_variable_section): Move earlier in file. Take a new argument,
11775 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11776 Return one of the new *_sections in such cases.
11777 (get_block_for_decl): New function, extracting some logic from
11778 use_blocks_for_decl_p.
11779 (change_symbol_section): Remove in favor of...
11780 (change_symbol_block): ...this new function.
11781 (use_blocks_for_decl_p): Remove checks now performed by
11782 get_block_for_decl.
11783 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11784 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11785 (emit_local, emit_bss, emit_common): ...these new functions.
11786 Return true if the alignment was honored.
11787 (emit_tls_common): New function.
11788 (asm_emit_uninitialised): Delete.
11789 (assemble_variable_noswitch): New function, split out from...
11790 (assemble_variable): ...here. Don't make decisions about common
11791 variables here. Globalize all public decls that go into non-common
11792 sections. Check whether SYMBOL_REF_BLOCK is null.
11793 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11794 (output_constant_pool): Likewise.
11795 (init_varasm_once): Initialize the new section variables.
11796 (have_global_bss_p): New function.
11797 (categorize_decl_for_section): Use bss_initializer_p.
11798 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11799 (place_block_symbol): Assert that the symbol must be in a block.
11800 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11801 (TARGET_INITIALIZER): Include it.
11802 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11803 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11804 (SECTION_MACH_DEP): Bump by two.
11805 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11806 (unnamed_section): Mention SECTION_UNNAMED in comment.
11807 (named_section): Likewise SECTION_NAMED.
11808 (noswitch_section_callback): New type.
11809 (noswitch_section): New structure.
11810 (section): Add a noswitch_section alternative.
11811 (SECTION_STYLE): New macro.
11812 (tls_comm_section, comm_section, lcomm_section): Declare.
11813 (bss_noswitch_section, have_global_bss_p): Declare.
11814 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11815 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11817 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11818 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11821 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11823 * tree-vrp.c (execute_vrp): Return value.
11824 * regrename.c (rest_of_handle_regrename): Ditto.
11825 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11826 * tree-complex.c (tree_lower_complex): Ditto.
11827 (tree_lower_complex_O0): Ditto.
11828 * tracer.c (rest_of_handle_tracer): Ditto.
11829 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11830 * postreload.c (rest_of_handle_postreload): Ditto.
11831 * tree-tailcall.c (execute_tail_recursion): Ditto.
11832 (execute_tail_calls): Ditto.
11833 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11834 * tree.h (init_function_for_compilation): Ditto.
11835 * ipa-cp.c (ipcp_driver): Ditto.
11836 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11837 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11838 * final.c (compute_alignments): Ditto.
11839 (rest_of_handle_final): Ditto.
11840 (rest_of_handle_shorten_branches): Ditto.
11841 (rest_of_clean_state): Ditto.
11842 * omp-low.c (execute_expand_omp): Ditto.
11843 (execute_lower_omp): Ditto.
11844 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11845 * ipa-reference.c (static_execute): Ditto.
11846 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11847 * reorg.c (rest_of_handle_delay_slots): Ditto.
11848 (rest_of_handle_machine_reorg): Ditto.
11849 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11850 * flow.c (recompute_reg_usage): Ditto.
11851 (rest_of_handle_remove_death_notes): Ditto.
11852 (rest_of_handle_life): Ditto.
11853 (rest_of_handle_flow2): Ditto.
11854 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11855 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11856 (do_ssa_store_ccp): Ditto.
11857 (execute_fold_all_builtins): Ditto.
11858 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11859 * modulo-sched.c (rest_of_handle_sms): Ditto.
11860 * ipa-pure-const.c (static_execute): Ditto.
11861 * cse.c (rest_of_handle_cse): Ditto.
11862 (rest_of_handle_cse2): Ditto.
11863 * web.c (rest_of_handle_web): Ditto.
11864 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11865 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11866 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11867 * tree-nrv.c (tree_nrv): Ditto.
11868 (execute_return_slot_opt): Ditto.
11869 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11870 (create_structure_vars): Ditto.
11871 * loop-init.c (rtl_loop_init): Ditto.
11872 (rtl_loop_done): Ditto.
11873 (rtl_move_loop_invariants): Ditto.
11874 (rtl_unswitch): Ditto.
11875 (rtl_unroll_and_peel_loops): Ditto.
11876 (rtl_doloop): Ditto.
11877 * gimple-low.c (lower_function_body): Ditto.
11878 (mark_used_blocks): Ditto.
11879 * tree-ssa-sink.c (execute_sink_code): Ditto.
11880 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11881 (cgraph_early_inlining): Ditto.
11882 * global.c (rest_of_handle_global_alloc): Ditto.
11883 * jump.c (cleanup_barriers): Ditto.
11884 (purge_line_number_notes): Ditto.
11885 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11886 (rest_of_handle_if_after_reload): Ditto.
11887 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11888 (tree_ssa_loop_im): Ditto.
11889 (tree_ssa_loop_unswitch): Ditto.
11890 (tree_vectorize): Ditto.
11891 (tree_linear_transform): Ditto.
11892 (tree_ssa_loop_ivcanon): Ditto.
11893 (tree_ssa_empty_loop): Ditto.
11894 (tree_ssa_loop_bounds): Ditto.
11895 (tree_complete_unroll): Ditto.
11896 (tree_ssa_loop_prefetch): Ditto.
11897 (tree_ssa_loop_ivopts): Ditto.
11898 (tree_ssa_loop_done): Ditto.
11899 * predict.c (tree_estimate_probability): Ditto.
11900 * recog.c (split_all_insns_noflow): Ditto.
11901 (rest_of_handle_peephole2): Ditto.
11902 (rest_of_handle_split_all_insns): Ditto.
11903 * tree-eh.c (lower_eh_constructs): Ditto.
11904 * regmove.c (rest_of_handle_regmove): Ditto.
11905 (rest_of_handle_stack_adjustments): Ditto.
11906 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11907 * function.c (instantiate_virtual_regs): Ditto.
11908 (init_function_for_compilation): Ditto.
11909 (rest_of_handle_check_leaf_regs): Ditto.
11910 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11911 (rest_of_handle_gcse): Ditto.
11912 * ipa-type-escape.c (type_escape_execute): Ditto.
11913 * alias.c (rest_of_handle_cfg): Ditto.
11914 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11915 * profile.c (rest_of_handle_branch_prob): Ditto.
11916 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11917 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11918 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11919 * tree-dfa.c (find_referenced_vars): Ditto.
11920 * except.c (set_nothrow_function_flags): Ditto.
11921 (convert_to_eh_region_ranges): Ditto.
11922 (rest_of_handle_eh): Ditto.
11923 * emit-rtl.c (unshare_all_rtl): Ditto.
11924 (remove_unnecessary_notes): Ditto.
11925 * except.h (set_nothrow_function_flags): Ditto.
11926 (convert_to_eh_region_ranges): Ditto.
11927 * cfgexpand.c (tree_expand_cfg): Ditto.
11928 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11929 * tree-ssa-pre.c (do_pre): Ditto.
11930 (execute_fre): Ditto.
11931 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11932 (rest_of_handle_jump2): Ditto.
11933 * tree-sra.c (tree_sra): Ditto.
11934 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11935 (execute_mudflap_function_decls): Ditto.
11936 * tree-ssa-copy.c (do_copy_prop): Ditto.
11937 (do_store_copy_prop): Ditto.
11938 * ipa-prop.h (ipcp_driver): Ditto.
11939 * cfglayout.c (insn_locators_initialize): Ditto.
11940 * tree-ssa-forwprop.c
11941 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11942 * cfglayout.h (insn_locators_initialize): Ditto.
11943 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11944 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11945 (execute_late_warn_uninitialized): Ditto.
11946 * rtl.h (cleanup_barriers): Ditto.
11947 (split_all_insns_noflow): Ditto.
11948 (purge_line_number_notes): Ditto.
11949 (unshare_all_rtl): Ditto.
11950 (remove_unnecessary_notes): Ditto.
11951 (recompute_reg_usage): Ditto.
11952 (variable_tracking_main): Ditto.
11953 * integrate.c (emit_initial_value_sets): Ditto.
11954 * integrate.h (emit_initial_value_sets): Ditto.
11955 * tree-optimize.c (execute_free_datastructures): Ditto
11956 (execute_free_cfg_annotations): Ditto.
11957 (execute_fixup_cfg): Ditto.
11958 (execute_cleanup_cfg_pre_ipa): Ditto.
11959 (execute_cleanup_cfg_post_optimizing): Ditto.
11960 (execute_init_datastructures): Ditto.
11961 * tree-object-size.c (compute_object_sizes): Ditto.
11962 * combine.c (rest_of_handle_combine): Ditto.
11963 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11964 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11965 (rest_of_handle_reorder_blocks): Ditto.
11966 (rest_of_handle_partition_blocks): Ditto.
11967 * var-tracking.c (variable_tracking_main): Ditto.
11968 * tree-profile.c (tree_profiling): Ditto.
11969 * tree-vect-generic.c (expand_vector_operations): Ditto.
11970 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11971 * sched-rgn.c (rest_of_handle_sched): Ditto.
11972 (rest_of_handle_sched2): Ditto.
11973 * basic-block.h (free_bb_insn): Ditto.
11974 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11975 * tree-cfg.c (execute_build_cfg): Ditto.
11976 (remove_useless_stmts): Ditto.
11977 (split_critical_edges): Ditto.
11978 (execute_warn_function_return): Ditto.
11979 (execute_warn_function_noreturn): Ditto.
11980 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11981 * cfgrtl.c (free_bb_for_insn): Ditto.
11982 * passes.c (execute_one_pass): Run additional
11983 todos returned by execute function.
11984 * tree-pass.h (struct tree_opt_pass): Make execute
11987 2006-03-02 Richard Guenther <rguenther@suse.de>
11989 * tree-ssa-alias.c (find_used_portions): Consider taking
11990 the address as making the variable not write-only.
11992 2006-03-02 Nick Clifton <nickc@redhat.com>
11994 * config.gcc (default_use_cxa_atexit): Extend the description of
11995 this configure variable. Set its default value to "yes" for
11996 Linux, NetBSD and ELF targets on the assumption that they will
11997 use C libraries with the __cxa_atexit function.
11999 2006-03-02 Ben Elliston <bje@au.ibm.com>
12001 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12002 parameter as unused to suppress a build warning.
12004 2006-03-02 Ben Elliston <bje@au.ibm.com>
12006 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12009 2006-03-01 Roger Sayle <roger@eyesopen.com>
12012 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12013 declared name, the weak reference name, and the typeof name.
12014 (__gthrw): Avoid expanding the declared name suffix.
12015 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12017 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12019 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12021 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12022 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12023 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12024 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12025 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12026 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12027 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12028 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12029 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12030 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12031 (DW_END_default, DW_END_big, DW_END_little): New.
12032 (DW_END_lo_user, DW_END_hi_user): Define.
12033 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12034 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12035 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12038 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12040 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12042 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12044 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12046 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12048 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12049 to 'symbol_mem_tag'.
12051 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12054 2006-03-01 Roger Sayle <roger@eyesopen.com>
12056 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12058 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12061 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12062 MACHO_DYNAMIC_NO_PIC_P.
12063 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12065 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12068 * config/darwin-protos.h (darwin_asm_output_anchor):
12070 * config/darwin-sections.def (cstring_section):
12071 Add SECTION_MERGE to the flags.
12072 (literal4_section): Likewise.
12073 (literal8_section): Likewise.
12074 (objc_selector_refs_section): Likewise.
12075 (objc_cls_refs_section): Likewise.
12076 * config/darwin.c (darwin_asm_output_anchor): New
12078 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12080 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12082 Fix PR tree-optimization/26443
12083 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12084 to todo and PROP_tmt_usage to properties_destroyed.
12085 * tree-ssa-ccp.c (pass_ccp): Ditto.
12086 (pass_store_ccp): Ditto.
12087 * tree-ssa-dom.c (pass_dominator): Ditto.
12089 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12091 * tree-ssa-operands.c: Cleanup whitespace.
12092 (get_asm_expr_operands): Move before first invocation.
12093 (get_indirect_ref_operands): Likewise.
12094 (get_tmr_operands): Likewise.
12095 (get_call_expr_operands): Likewise.
12096 (append_def): Likewise.
12097 (append_use): Likewise.
12098 (append_v_may_def): Likewise.
12099 (append_v_must_def): Likewise.
12100 (add_call_clobber_ops): Likewise.
12101 (add_call_read_ops): Likewise.
12102 (add_stmt_operand): Likewise.
12103 (add_virtual_operand): Likewise.
12104 (build_ssa_operands): Likewise.
12106 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12108 PR middle-end/26022
12110 PR middle-end/24437
12111 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12112 with a call expr to ...
12113 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12115 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12117 * tree-vrp.c (extract_range_from_assert): Remove special
12118 handling for types with super-types.
12120 2006-03-01 Ben Elliston <bje@au.ibm.com>
12122 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12123 and powerpc64-*-linux* configurations.
12124 * config/t-dfprules: New file.
12126 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12127 Compile dfp-bit.c from the source directory using -DWIDTH and
12128 $DFP_CFLAGS to control the compilation of that file, rather than
12129 generating width-specific versions in the build directory.
12130 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12131 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12133 2006-02-28 Zack Weinberg <zackw@panix.com>
12135 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12138 2006-02-28 Eric Christopher <echristo@apple.com>
12140 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12141 Set up IN_LIBGCC definition of TARGET_64BIT.
12142 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12144 2006-02-28 Roger Sayle <roger@eyesopen.com>
12146 PR middle-end/14752
12147 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12148 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12149 cases via the construction of "expr != 0".
12151 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12153 * alias.c (alias_invariant, alias_invariant_size): Remove.
12154 (record_base_value): Remove.
12155 (memrefs_conflict_p): Don't look at alias_invariant.
12156 (end_alias_analysis): Don't free it.
12157 * alias.h (record_base_value): Remove prototype.
12159 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12160 Adam Nemet <anemet@caviumnetworks.com>
12162 * rtl.h (truncated_to_mode): Declare it.
12163 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12164 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12165 (RTL_HOOKS_INITIALIZER): Include it.
12166 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12167 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12168 reg_truncated_to_mode.
12169 * rtlanal.c (truncated_to_mode): Define it.
12170 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12172 2006-02-28 Jeff Law <law@redhat.com>
12174 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12175 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12176 the range allowed by TYPE_PRECISION.
12178 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12180 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12182 PR tree-optimization/26419
12183 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12186 2006-02-27 Zack Weinberg <zackw@panix.com>
12188 * doc/md.texi: Fix typo in previous change.
12190 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12194 2006-02-27 Zack Weinberg <zackw@panix.com>
12196 * rtl.def (define_constraint, define_register_constraint)
12197 (define_memory_constraint, define_address_constraint): New MD forms.
12198 * gensupport.c (process_rtx): Put define_constraint etc on the
12200 * genpreds.c (process_define_predicate): Adjust comment. Validate
12201 the name, and call validate_exp to validate the expression.
12202 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12203 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12204 all callers changed.
12205 (validate_exp, needs_variable, struct constraint_data)
12206 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12207 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12208 (const_dbl_constraints, constraint_max_namelen)
12209 (have_register_constraints, have_memory_constraints)
12210 (have_address_constraints, have_address_constraints)
12211 (have_extra_constraints, have_const_int_constraints)
12212 (have_const_dbl_constraints, mangle, add_constraint)
12213 (process_define_constraint, process_define_register_constraint)
12214 (write_enum_constraint_num, write_lookup_constraint)
12215 (write_insn_constraint_len, write_regclass_for_constraint)
12216 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12217 (write_insn_extra_memory_constraint)
12218 (write_insn_extra_address_constraint)
12219 (write_satisfies_constraint_fns): New.
12220 (write_tm_preds_h): If we have new-style constraint definitions,
12221 prototype the functions generated from them, and define the
12222 old constraint interface (still used by generic code) in terms of
12224 (write_insn_preds_c): If we have new-style constraint definitions,
12225 generate all relevant functions from those definitions.
12226 (main): Handle define_constraint etc.
12227 * genoutput.c (struct constraint_data, indep_constraints)
12228 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12229 (mdep_constraint_len): New data structures and functions, defined
12230 #ifdef USE_MD_CONSTRAINTS.
12231 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12232 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12233 use new logic to validate operand constraints against constraint
12235 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12237 * defaults.h: If none of the old-style constraint macros are
12238 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12239 old-style macros; and poison REG_CLASS_FROM_LETTER,
12240 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12242 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12243 * doc/md.texi: Document new constraint-definition mechanism and the
12244 C interface it provides. Remove references to old mechanism
12245 elsewhere in the document.
12246 (Machine Constraints): Use pathnames relative to gcc directory,
12247 i.e. config/ARCH/FILE. Change i386 section to refer to
12248 config/i386/predicates.md; update that section to match docstrings.
12249 * doc/tm.texi: Move all documentation of the old constraint-
12250 definition macros to their own section, clearly mark as obsolete.
12252 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12253 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12255 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12256 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12257 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12258 constraint strings.
12259 (splits and peepholes): Use satisfies_constraint_*.
12260 * config/i386/i386.c (memory_address_length)
12261 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12263 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12265 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12266 scalar operation to be put back into the loop.
12268 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12271 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12272 (extract_cie_info): Handle S flag in augmentation string.
12273 (execute_cfa_program): If context->signal_frame, execute also
12274 fs->pc == context->ra instructions.
12275 (uw_frame_state_for): If context->signal_frame, don't subtract one
12276 from context->ra to find FDE.
12277 (uw_update_context_1): Set context->signal_frame to
12279 (_Unwind_GetIPInfo): New function.
12280 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12281 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12283 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12284 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12285 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12286 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12287 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12288 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12289 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12290 x86_64_fallback_frame_state): Set fs->signal_frame.
12291 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12292 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12293 (frob_update_context): Likewise. Workaround missing S flag in
12294 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12295 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12296 Remove the psw_addr + 1 hack.
12298 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12300 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12301 with aggregates here.
12302 (find_func_aliases): Remove code for &<aggregate> from here.
12304 2006-02-26 Roger Sayle <roger@eyesopen.com>
12306 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12307 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12308 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12309 as (X & C) ne/eq 0.
12311 2006-02-26 Roger Sayle <roger@eyesopen.com>
12313 PR middle-end/19983
12314 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12316 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12318 * opts.c (decode_options): Do not handle flag_strength_reduce.
12319 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12320 and OPT_fstrength_reduce.
12321 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12322 flag_prefetch_loop_arrays for being nonzero.
12323 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12325 (fprefetch-loop-arrays-rtl): Removed.
12326 (flag_prefetch_loop_arrays): Do not specify the value.
12328 * doc/passes.texi: Update documentation of loop optimizer
12330 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12331 -frerun-loop-opt): Remove.
12333 2006-02-26 Richard Guenther <rguenther@suse.de>
12335 PR tree-optimization/26421
12336 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12337 in function calls that are ADDR_EXPRs as using the whole structure.
12339 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12341 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12342 * tree-pass.h (pass_loop_optimize): Remove.
12343 * passes.c (pass_loop_optimize): Never run it.
12344 * toplev.c (backend_init): Don't call init_loop.
12345 * opts.c (flag_loop_optimize_set): Remove.
12346 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12347 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12348 the old RTL loop optimizer when profiling enabled.
12349 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12350 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12351 pre-headers for the sake of the old RTL loop optimizer.
12352 * Makefile.in: Remove all references to loop.o.
12354 * doc/invoke.texi: Remove all references to -floop-optimize
12355 and -frerun-loop-opt.
12357 2006-02-26 Zack Weinberg <zackw@panix.com>
12359 * doc/md.texi (Machine Constraints): Refer to all files with paths
12360 relative to gcc directory (i.e. config/CPU/file). Add missing
12361 @table @code ... @end table to M32C subsection.
12363 2006-02-26 Roger Sayle <roger@eyesopen.com>
12365 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12367 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12369 2006-02-26 Roger Sayle <roger@eyesopen.com>
12370 James A. Morrison <phython@gcc.gnu.org>
12372 PR middle-end/21137
12373 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12374 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12375 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12376 signedness of the shift operation.
12378 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12380 PR tree-optimization/26359
12381 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12383 2006-02-25 Roger Sayle <roger@eyesopen.com>
12385 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12386 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12387 as X == 0, and some symmetry related transformations.
12388 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12390 2006-02-25 Roger Sayle <roger@eyesopen.com>
12392 PR middle-end/23673
12393 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12394 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12395 symmetry related transformations. Fold (X^C1) == C2 as
12398 2006-02-25 Juergen Weigert <jw@suse.de>
12399 Richard Guenther <rguenther@suse.de>
12401 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12403 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12405 * combine.c (gen_lowpart_or_truncate): Call
12406 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12408 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12410 * doc/invoke.texi: Move -fopenmp description to "Options for
12412 Remove reference to -lgomp.
12414 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12416 * doc/install.texi: Require GNU tar version 1.14.
12418 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12420 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12421 * doc/invoke.texi (C++ Dialect Options): Document
12422 -fno-use-cxa-get-exception-ptr.
12423 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12424 * configure: Regenerate.
12425 * c.opt (fuse-cxa-get-exception-ptr): New.
12426 * c-opts.c (c_common_handle_option): Handle
12427 OPT_fuse_cxa_get_exception_ptr.
12428 * c-common.c (flag_use_cxa_atexit): Update documentation.
12429 (flag_use_cxa_get_exception_ptr): New.
12430 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12431 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12433 (C_COMMON_OVERRIDE_OPTIONS): New.
12435 2006-02-24 Roger Sayle <roger@eyesopen.com>
12437 PR middle-end/24952
12438 * combine.c (try_combine): Explicitly check whether GET_CODE is
12439 a SET or a CLOBBER, instead on checking that it isn't a USE.
12441 2006-02-24 Roger Sayle <roger@eyesopen.com>
12443 * fold-const.c (fold_comparison): New subroutine of fold_binary
12444 containing transformations common to both the equality and
12445 ordering relational operators, factored out of fold_binary.
12446 (fold_binary): Separate out the equality operators (EQ_EXPR
12447 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12448 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12449 transformations common to both.
12450 (fold_div_compare): Fix latent bugs in the previously unreachable
12451 LT_EXPR and GE_EXPR cases.
12453 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12455 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12456 decl libname for clog to __clog on AIX.
12458 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12460 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12463 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12464 output traceback table for thunks. Localise rs6000_stack_info call.
12466 2006-02-23 Roger Sayle <roger@eyesopen.com>
12467 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12469 * gthr-posix.h (__gthrw): Fix typo in comment.
12471 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12473 * doc/cpp.texi (Character sets): Document that we do support
12474 input files to be in any character set.
12476 2006-02-23 Jeff Law <law@redhat.com>
12478 * tree.h (PHI_ARG_NONZERO): Remove.
12479 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12480 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12481 node to the new node.
12483 PR tree-optimization/26425
12484 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12485 min/max, then assume its varying.
12487 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12489 PR rtl-optimization/26316
12490 * rtlanal.c (enum may_trap_p_flags): New.
12491 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12492 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12493 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12494 (may_trap_after_code_motion_p): New function.
12495 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12496 (find_invariant_insn): Use may_trap_after_code_motion_p.
12497 * rtl.h (may_trap_after_code_motion_p): Declare.
12499 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12501 * emit-rtl.c (immed_double_const): Cleanup.
12503 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12505 Fix PR tree-optimization/26376
12506 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12509 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12511 PR middle-end/26412
12512 * gimplify.c (omp_add_variable): Guard variable size decl test with
12513 DECL_SIZE (decl) check.
12515 2006-02-23 Richard Guenther <rguenther@suse.de>
12517 PR middle-end/26439
12518 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12519 like aggregate types.
12521 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12523 * configure.ac: Add --with{,out}-long-double-128 configure option.
12524 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12525 * configure: Rebuilt.
12526 * config.in: Rebuilt.
12527 * doc/install.texi (Options specification): Document
12528 --with-long-double-128.
12530 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12531 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12532 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12533 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12535 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12537 * config/s390/s390.c (override_options): Handle
12538 TARGET_DEFAULT_LONG_DOUBLE_128.
12540 * config/alpha/alpha.c (override_options): Handle
12541 TARGET_DEFAULT_LONG_DOUBLE_128.
12543 * config/sparc/sparc.c (sparc_override_options): Handle
12544 TARGET_DEFAULT_LONG_DOUBLE_128.
12546 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12548 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12549 (real-install-headers-tar, real-install-headers-cpio)
12550 (real-install-headers-cp): New targets.
12552 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12554 * tree.h (variable_section): Delete.
12555 * varasm.c (variable_section): Delete.
12557 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12559 * install.texi: Add notes on install.texi2html.
12560 (Building in parallel): Do not use footnotes.
12562 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12565 * doc/install.texi (Configuration): Document --disable-libgomp.
12567 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12569 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12571 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12573 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12574 (vec_extractv2df_0_sse): New.
12576 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12578 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12579 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12580 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12581 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12582 to the result of the expression.
12583 (def_cfa_1): Adjust.
12584 (frame_pointer_cfa_offset): Rename to...
12585 (frame_pointer_fb_offset): ... this. Adjust all uses.
12586 (convert_cfa_to_loc_list): Rename to...
12587 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12588 Pass it on to build_cfa_loc.
12589 (compute_frame_pointer_to_cfa_displacement): Rename to...
12590 (compute_frame_pointer_to_fb_displacement): ... this. New
12591 offset parameter. Use it in computation.
12592 (gen_subprogram_die): Compute cfa_fb_offset with the new
12593 macro, and use it to compute the fb loc list and the
12596 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12598 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12599 replaced with register_operand.
12600 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12601 non-DREG is expensive.
12602 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12603 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12606 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12608 * doc/install.texi2html: Use set -e.
12610 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12612 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12613 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12614 * doc/invoke.texi (-fshared-data): Delete.
12615 * common.opt (fshared-data): Delete.
12616 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12617 (assemble_static_space): Remove #if 0 code.
12618 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12619 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12620 * config/cris/cris.h: Remove FIXME.
12622 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12624 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12627 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12629 PR middle-end/26379
12630 * combine.c (simplify_shift_const_1): Disable nested shifts
12631 optimization for vector shifts.
12633 2006-02-20 Roger Sayle <roger@eyesopen.com>
12635 PR tree-optimization/26361
12636 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12637 of unsigned integer types.
12639 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12641 * tree-chrec.c (eq_evolutions_p): New.
12642 * tree-chrec.h (eq_evolutions_p): Declared.
12643 * tree-data-ref.c: Fix formatting.
12644 (datadep_stats, dependence_stats): New.
12646 (print_direction_vector): New.
12647 (dump_data_dependence_relation): Use print_direction_vector.
12648 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12649 (compute_subscript_distance): Static.
12650 (initialize_data_dependence_relation): Static. Get the number
12651 of loops surrounding the references from the callers, and initialize
12652 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12653 base_object_differ_p analyzers.
12654 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12655 compute_overlap_steps_for_affine_1_2,
12656 analyze_subscript_affine_affine): Count the classified dependences.
12657 Print a message when a test failed.
12658 (can_use_analyze_subscript_affine_affine): New.
12659 (analyze_siv_subscript): Compute the data dependences on symbolic
12660 scevs that verify can_use_analyze_subscript_affine_affine.
12661 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12662 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12663 Handle symbolic scevs.
12664 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12666 (subscript_dependence_tester): Moved...
12667 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12668 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12669 DDR_SIZE_VECT instead of getting it in parameter.
12670 (subscript_dependence_tester): ... here. Take as a parameter
12671 loop_nest_depth. Call build_classic_dist_vector and
12672 build_classic_dir_vector.
12673 (compute_affine_dependence): Update subscript_dependence_tester
12674 parameters. Update datadep_stats counters. Call
12675 compute_subscript_distance.
12676 (compute_self_dependence): Save the dist and dir vectors. Call
12677 compute_subscript_distance.
12678 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12679 (compute_all_dependences): Reorder parameters as they were before
12680 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12681 compute_subscript_distance. Update the use of
12682 compute_affine_dependence and initialize_data_dependence_relation.
12683 (find_data_references_in_loop): Handle COMPONENT_REF.
12684 (compute_data_dependences_for_loop): Initialize dependence_stats.
12685 Don't call build_classic_dist_vector and build_classic_dir_vector.
12686 Update the parameters of initialize_data_dependence_relation and
12687 compute_all_dependences. Print the statistics from datadep_stats.
12688 (analyze_all_data_dependences): Static. Not used until the pass for
12689 checking the data dependences is contributed.
12690 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12691 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12692 (initialize_data_dependence_relation, compute_affine_dependence,
12693 analyze_all_data_dependences, compute_subscript_distance): Removed.
12694 (print_direction_vector): New.
12695 * lambda.h (gcd): ... here.
12696 (lambda_vector_gcd): Moved here from gcd_vector.
12697 * lambda-code.c (gcd, gcd_vector): Removed.
12698 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12699 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12701 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12703 * ipa-type-escape.c: Tidy some comments and white space.
12704 * tree-ssa-operands.c: Likewise.
12706 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12709 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12710 (dump_decl_name): Do not walk the decl tree chains.
12711 * tree-pass.h (TDF_CHAIN): Remove.
12713 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12715 * Makefile.in (C): Remove
12717 (.PHONY): Remove C and PROTO
12719 2006-02-20 Roger Sayle <roger@eyesopen.com>
12721 PR middle-end/26236
12722 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12723 deprecated CHAR_TYPE tree code.
12725 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12727 * configure.ac (target_list): Add install-info, dvi, html.
12728 * configure: Regenerate.
12730 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12731 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12732 treelang/Make-lang.in: Do not use double-colon rules.
12734 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12736 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12737 (TMT_USED_ALONE): New macro.
12738 * tree-pass.h (PROP_tmt_usage): New property.
12739 (TODO_update_tmt_usage): New todo.
12740 * tree-ssa-alias.c (updating_used_alone): New variable.
12741 (recalculate_used_alone): New function.
12742 (compute_may_aliases): Set updating_used_alone, call
12743 recalculate_used_alone.
12744 * tree-sra.c (pass_sra): Note that this pass destroys
12745 PROP_tmt_usage, and add TODO_update_tmt_usage.
12746 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12747 * tree-flow.h (updating_used_alone): Prototype.
12748 (recalculate_used_alone): Ditto.
12749 * passes.c (execute_todo): Add code to set updating_used_alone,
12750 and call recalculate.
12751 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12752 for clobber if used alone, and add assert to verify used_alone
12755 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12757 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12758 for non tls symbols added.
12759 (legitimize_address): Do nothing for PLUS expressions if one of the
12760 addends is a tls symbol reference.
12762 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12766 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12768 * Makefile.in (BOOTSTRAPPING): New.
12769 (quickstrap): New definition if BOOTSTRAPPING=yes.
12771 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12772 * configure.ac: Substitute all_selected_languages with the languages
12773 that were configured. For all the other variables except
12774 lang_specs_files, include all the languages in the tree.
12775 * configure: Regenerate.
12777 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12778 if there is one. Run the commands to run fixincludes in the same
12781 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12782 * doc/install.texi: Document exact conventions for searching target tools.
12783 Document --with-build-time-tools. Document toplevel bootstrap. Document
12784 something more about building an Ada cross-compiler. Don't list GNU Make
12785 requirements which affect all platforms.
12787 2006-02-19 Roger Sayle <roger@eyesopen.com>
12789 PR middle-end/19543
12790 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12791 only equivalent if the have both the same mode and precision.
12793 2006-02-20 Ben Elliston <bje@au.ibm.com>
12795 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12797 2006-02-19 Roger Sayle <roger@eyesopen.com>
12798 Steven Bosscher <stevenb.gcc@gmail.com>
12800 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12801 constant pool references to identify stack mode constants.
12802 * rtlanal.c (constant_pool_constant_p): New predicate to check
12803 whether operand is a floating point constant in the pool.
12804 * rtl.h (constant_pool_constant_p): Prototype here.
12805 * loop.c (scan_loop): Avoid hoisting constants from the constant
12806 pool on STACK_REGS targets.
12807 (load_mems): Likewise.
12808 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12809 loads into x87 registers expensive in terms of register pressure.
12811 2006-02-19 Roger Sayle <roger@eyesopen.com>
12813 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12814 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12816 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12818 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12819 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12821 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12823 * doc/invoke.texi: Document -fipa-pta.
12824 * common.opt: Add ipa-pta option.
12825 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12826 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12827 (do_ds_constraint): Ditto.
12828 (get_constraint_for): Only add to referenced_vars if
12829 referenced_vars exists.
12830 (insert_into_field_list): Rewrite to do this unsorted.
12831 (insert_into_field_list_sorted): Rename old insert_into_field_list
12833 (create_function_info_for): Use insert_into_field_list_sorted.
12834 (create_variable_info_for): Rewrite so it uses unsorted version,
12835 since the field list is sorted.
12836 (intra_create_variable_infos): Only add to referenced_vars if
12837 referenced_vars exists.
12838 (ipa_pta_execute): Init heapvars, and delete when done.
12839 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12841 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12843 * doc/install.texi: Add missing `@samp'.
12845 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12847 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12850 2006-02-18 Mark Wielaard <mark@klomp.org>
12852 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12853 who added new 4.1 features, bug fixes and integration support.
12855 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12858 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12859 MEM for ABI_V4 pic.
12861 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12863 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12864 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12865 (copy_insn_1): Likewise. Don't copy each field individually.
12867 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12869 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12870 * rtl.c (rtx_size): Rename variable to...
12871 (rtx_code_size): ...this.
12872 (rtx_size): New function.
12873 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12874 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12876 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12877 * rtl.h (rtx_code_size): New variable.
12878 (rtx_size): Change from a variable to a function.
12879 (RTX_SIZE): Rename to...
12880 (RTX_CODE_SIZE): ...this.
12883 PR tree-optimization/17106
12884 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12885 (Anchored Addresses): New section.
12886 * doc/invoke.texi (-fsection-anchors): Document.
12887 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12888 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12889 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12890 * hooks.c (hook_bool_mode_rtx_false): New function.
12891 * hooks.h (hook_bool_mode_rtx_false): Declare.
12892 * gengtype.c (create_optional_field): New function.
12893 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12894 SYMBOL_REF_IN_BLOCK_P is true.
12895 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12896 (min_anchor_offset, max_anchor_offset): Likewise.
12897 (use_anchors_for_symbol_p): New hook.
12898 * toplev.c (compile_file): Call output_object_blocks.
12899 (target_supports_section_anchors_p): New function.
12900 (process_options): Check that -fsection-anchors is only used on
12901 targets that support it and when -funit-at-a-time is in effect.
12902 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12903 if the decl doesn't have one.
12904 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12905 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12906 of force_const_mem through use_anchored_address.
12907 (expand_expr_constant): New function.
12908 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12909 calling expand_expr for INDIRECT_REF.
12910 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12911 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12912 * expr.h (use_anchored_address): Declare.
12913 * loop-unroll.c: Don't declare rtx vectors here.
12914 * explow.c: Include output.h.
12915 (validize_mem): Call use_anchored_address.
12916 (use_anchored_address): New function.
12917 * common.opt (-fsection-anchors): New switch.
12918 * varasm.c (object_block_htab, anchor_labelno): New variables.
12919 (hash_section, object_block_entry_eq, object_block_entry_hash)
12920 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12921 (use_blocks_for_decl_p, change_symbol_section): New functions.
12922 (get_variable_section): New function, split out from assemble_variable.
12923 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12924 use_blocks_for_decl_p say so. Use change_symbol_section if the
12925 symbol has already been created.
12926 (assemble_variable_contents): New function, split out from...
12927 (assemble_variable): ...here. Don't output any code for
12928 block symbols; just pass them to place_block_symbol.
12929 Use get_variable_section and assemble_variable_contents.
12930 (get_constant_alignment, get_constant_section, get_constant_size): New
12931 functions, split from output_constant_def_contents.
12932 (build_constant_desc): Create a block symbol if use_object_blocks_p
12933 says so. Or into SYMBOL_REF_FLAGS.
12934 (assemble_constant_contents): New function, split from...
12935 (output_constant_def_contents): ...here. Don't output any code
12936 for block symbols; just pass them to place_section_symbol.
12937 Use get_constant_section and get_constant_alignment.
12938 (force_const_mem): Create a block symbol if use_object_blocks_p and
12939 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12940 (output_constant_pool_1): Add an explicit alignment argument.
12941 Don't switch sections here.
12942 (output_constant_pool): Adjust call to output_constant_pool_1.
12943 Switch sections here instead. Don't output anything for block symbols;
12944 just pass them to place_block_symbol.
12945 (init_varasm_once): Initialize object_block_htab.
12946 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12947 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12948 (place_block_symbol, get_section_anchor, output_object_block)
12949 (output_object_block_htab, output_object_blocks): New functions.
12950 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12951 (TARGET_ASM_OUT): Include it.
12952 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12953 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12954 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12955 (TARGET_INITIALIZER): Include them.
12956 * rtl.c (rtl_check_failed_block_symbol): New function.
12957 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12958 (block_symbol, object_block): New structures.
12959 (rtx_def): Add a block_symbol field to the union.
12960 (BLOCK_SYMBOL_CHECK): New macro.
12961 (rtl_check_failed_block_symbol): Declare.
12962 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12963 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12964 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12965 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12966 * output.h (output_section_symbols): Declare.
12967 (object_block): Name structure.
12968 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12969 (default_use_anchors_for_symbol_p): Declare.
12970 * Makefile.in (RTL_BASE_H): Add vec.h.
12971 (explow.o): Depend on output.h.
12972 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12973 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12974 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12975 (rs6000_use_blocks_for_constant_p): New function.
12977 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12979 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12981 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12984 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12987 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12989 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12993 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12995 PR middle-end/26334
12996 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12997 instead of DECL_REGISTER.
12999 2006-02-18 Olivier Hainque <hainque@adacore.com>
13002 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13004 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13007 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13008 * opth-gen.awk: Handle Var and InverseMask together.
13009 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13010 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13011 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13012 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13014 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13015 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13016 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13017 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13018 LINUX_DYNAMIC_LINKER): Define.
13019 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13020 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13022 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13023 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13024 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13025 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13026 (TARGET_C99_FUNCTIONS): Don't define.
13027 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13028 GLIBC_DYNAMIC_LINKER.
13029 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13030 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13031 GLIBC_DYNAMIC_LINKER64): Define.
13032 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13033 LINUX_DYNAMIC_LINKER64.
13034 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13035 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13036 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13037 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13038 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13039 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13040 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13041 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13042 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13043 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13044 and LINUX_DYNAMIC_LINKER32.
13045 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13046 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13047 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13048 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13049 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13051 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13052 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13053 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13054 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13055 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13056 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13057 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13058 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13059 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13060 LINUX_DYNAMIC_LINKER): Define.
13061 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13062 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13063 GLIBC_DYNAMIC_LINKER64): Define.
13064 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13065 LINUX_DYNAMIC_LINKER64.
13066 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13067 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13068 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13069 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13070 LINUX_DYNAMIC_LINKER): Define.
13071 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13072 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13073 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13074 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13075 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13076 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13077 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13078 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13079 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13080 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13081 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13082 * doc/invoke.texi (-muclibc): Remove caveat about supported
13085 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13087 * doc/cpp.texi (__TIMESTAMP__): Document.
13089 2006-02-17 Roger Sayle <roger@eyesopen.com>
13091 PR middle-end/25600
13092 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13093 C is one less than the width of X (and related transformations).
13094 * simplify-rtx.c (simplify_unary_operation_1): Transform
13095 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13096 depending on STORE_FLAG_VALUE, were C is one less then the
13099 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13101 Fix PR tree-optimization/26341
13102 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13103 about NAME_MEMORY_TAG's.
13105 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13108 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13109 with hardware float support, and software float support. Add fcpy
13110 alternative to hardware patterns. Add alternatives to copy between
13111 general and floating-point registers to the 32-bit pattern.
13112 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13113 secondary reload to load a QI or HI mode constant into a floating
13115 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13116 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13118 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13121 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13123 (load_macho_picbase_di): Likewise.
13125 2006-02-16 Jeff Law <law@redhat.com>
13127 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13128 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13129 (ssa_name_nonzero_p): Likewise.
13130 (get_value_range): Return NULL if VRP is not running.
13131 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13132 VRP routines do not discover a range.
13133 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13134 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13135 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13136 (tree_expr_nonnegative_p): Similarly.
13137 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13138 (restore_nonzero_vars_to_original_value): Remove.
13139 (unsafe_associative_fp_binop): Remove.
13140 (tree_ssa_dominator_optimize): Remove initialization and
13141 finalization of nonzero_vars and nonzero_vars_stack.
13142 (dom_opt_initialize_block): No longer push marker on
13143 nonzero_vars_stack.
13144 (dom_opt_finalize_block): No longer call
13145 restore_nonzero_vars_to_original_value.
13146 (record_equivalences_from_phis): No longer look for
13147 nonzero PHI arguments.
13148 (cprop_into_successor_phis): No longer propagate nonzero
13149 property into PHI arguments. Lose unused argument. Caller
13151 (record_equivalences_from_stmt): No longer record nonzero
13152 values for SSA_NAMEs.
13153 (lookup_avail_expr): No longer use nonzero_vars.
13155 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13156 for sizetype when sizetype is unsigned.
13158 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13160 PR rtl-optimization/25603
13161 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13162 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13163 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13164 with new meaning of SETS.
13166 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13171 * config/linux.opt: New file.
13172 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13173 LINUX_DYNAMIC_LINKER): Define.
13174 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13175 * config.gcc (*-*-linux*): Define extra_options.
13176 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13177 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13178 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13179 GLIBC_DYNAMIC_LINKER.
13180 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13181 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13182 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13183 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13184 * doc/invoke.texi (GNU/Linux Options): New section.
13186 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13188 * config/sparc/sparc.md (setjmp): Rewrite.
13189 (setjmp_32): Delete.
13190 (setjmp_64): Likewise.
13192 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13194 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13197 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13199 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13202 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13204 PR rtl-optimization/26296
13205 * Makefile.in (loop-invariant.c): Add except.h dependency.
13206 * loop-invariant.c: Include except.h.
13207 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13209 2005-02-16 Paul Brook <paul@codesourcery.com>
13211 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13214 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13216 PR rtl-optimization/25636
13217 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13218 when deciding whether an insn is an initializing insn.
13220 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13222 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13223 (tree_code_size): Ditto.
13224 * tree.h (struct tree_memory_tag): Remove parent_var.
13225 (struct tree_struct_field_tag): New.
13228 (union tree_node): Add sft member.
13229 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13231 (create_sft): Add size and offset argument, set SFT_OFFSET and
13233 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13234 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13235 * tree-flow-inline.h (get_subvar_at): Update for
13236 SFT_OFFSET/SFT_SIZE.
13237 (var_can_have_subvars): Ditto.
13238 (overlap_subvar): Ditto.
13239 * print-tree.c (print_node): Print out interesting things for
13241 * tree-flow.h (struct subvar): Remove offset and size members.
13242 * tree-ssa-operands.c (get_expr_operands): Update for
13243 get_indirect_ref_operands changes.
13244 (get_indirect_ref_operands): Call add_virtual_operand instead of
13245 add_stmt_operand. Only recurse on base var if requested.
13246 (access_can_touch_variable): New function.
13247 (add_stmt_operand): Split virtual operand handling into ...
13248 (add_virtual_operand): Here. Add offset, size, and for_clobber
13249 arguments. Prune alias sets.
13250 (add_call_clobber_ops): Call add_virtual_operand.
13252 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13254 PR middle-end/26300
13255 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13257 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13258 than TREE_CODE as index into omp_clause_num_ops array.
13260 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13262 PR rtl-optimization/26184
13263 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13265 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13266 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13267 must_precede, must_follow and tobe_scheduled.
13270 * opts.c (common_handle_option): Free new_option pointer.
13271 * df-core.c (df_analyze): Free postorder pointer.
13273 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13275 * Makefile.in: Fix the examples about the use of stamps
13277 2006-02-15 Michael Matz <matz@suse.de>
13279 PR middle-end/22275
13281 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13282 influenced by maximum_field_alignment or DECL_PACKED.
13283 (update_alignment_for_field): Ditto.
13284 (place_field): Ditto.
13285 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13288 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13290 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13291 (debug_flow_info): Pass it.
13292 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13293 * bb-reorder.c (reorder_basic_blocks): Likewise.
13294 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13295 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13296 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13297 * gcse.c (gcse_main, bypass_jumps): Likewise.
13298 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13299 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13300 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13301 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13302 * rtl.h (dump_flow_info): Adjust prototype.
13303 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13304 * var-tracking.c (variable_tracking_main): Likewise.
13305 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13306 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13309 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13311 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13314 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13316 PR tree-optimization/26209
13317 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13318 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13320 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13322 2006-02-14 Roger Sayle <roger@eyesopen.com>
13324 PR middle-end/23670
13325 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13326 (X,Y) and the corresponding symmetry related transformations.
13327 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13328 (X,Y) and its symmetry related transformations.
13330 2006-02-14 Roger Sayle <roger@eyesopen.com>
13332 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13335 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13337 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13339 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13342 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13343 support COMDAT group.
13344 * configure: Regenerate.
13346 2006-02-14 Roger Sayle <roger@eyesopen.com>
13348 PR middle-end/26279
13349 PR middle-end/26280
13350 PR middle-end/26283
13351 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13353 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13355 Fix PR tree-optimization/26260
13357 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13359 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13360 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13361 * tree-ssa-structalias.c (create_variable_info_for): Use
13362 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13364 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13366 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13368 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13369 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13370 of the ending condition.
13371 * tree-ssa-loop-manip.c: Include params.h.
13372 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13373 tree_unroll_loop): New functions.
13374 * tree-pass.h (pass_loop_prefetch): Declare.
13375 * loop.c (rest_of_handle_loop_optimize): Test for
13376 -fprefetch-loop-arrays-rtl.
13377 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13378 * timevar.def (TV_TREE_PREFETCH): New timevar.
13379 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13380 pass_loop_prefetch): New.
13381 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13382 (cleanup_tree_cfg_loop): Call scev_reset.
13383 * common.opt (fprefetch-loop-arrays-rtl): Add.
13384 * tree-ssa-loop-prefetch.c: New file.
13385 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13386 (new_temp_expr_table): Initialize expr_vars.
13387 (free_temp_expr_table): Cleanup expr_vars.
13388 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13389 expressions from being merged into one.
13390 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13391 (struct tree_niter_desc): Add control, bound and cmp fields.
13392 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13394 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13395 (tree-cfgcleanup.o): Add SCEV_H dependency.
13396 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13397 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13399 2006-02-14 Richard Guenther <rguenther@suse.de>
13401 PR tree-optimization/26258
13402 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13403 in PHI argument processing.
13405 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13407 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13408 new expression in the requested machine mode.
13410 2006-02-13 Roger Sayle <roger@eyesopen.com>
13412 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13413 directly, instead let do_compare_rtx_and_jump handle this for us.
13414 * expr.c (expand_expr_real_1): Likewise.
13415 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13416 before do_jump_by_parts_greater.
13417 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13418 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13420 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13422 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13424 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13426 PR rtl-optimization/26235
13427 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13428 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13431 2006-02-13 Jeff Law <law@redhat.com>
13433 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13436 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13438 PR middle-end/26092
13439 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13440 twice if decl is a builtin. When trying again, call get_callee_fndecl
13441 first to verify it is still a builtin.
13443 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13445 * dwarf2out.c (base_type_die): Don't add AT_name here.
13446 (subrange_type_die): Don't add AT_name here.
13447 (modified_type_die): Rearrange code flow. Do add AT_name here.
13449 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13451 PR rtl-optimization/26247
13452 PR rtl-optimization/26248
13453 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13455 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13457 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13458 * config/fixtfdi.c: Likewise.
13459 * config/fixunstfdi.c: Likewise.
13460 * config/floatditf.c: Likewise.
13462 2006-02-13 Roger Sayle <roger@eyesopen.com>
13464 PR middle-end/24427
13465 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13466 into (X,C2) if C1 is a subset of the bits of C2. Transform
13467 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13469 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13471 2006-02-13 Josh Conner <jconner@apple.com>
13474 * varasm.c (function_section): Check for section name before
13475 calling select_section on targets that define
13476 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13477 unlikely_text_section instead of hot_function_section if
13478 first_function_block_is_cold.
13480 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13482 PR middle-end/25335
13483 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13485 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13487 PR rtl-optimization/26222
13488 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13489 after tree->rtl expansion.
13490 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13491 before passing it to emit_move_insn.
13493 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13495 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13497 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13498 Clarify documentation.
13499 * c-common.h (warn_write_strings): Remove.
13500 * c-common.c (warn_write_strings): Likewise.
13501 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13504 2006-02-12 Roger Sayle <roger@eyesopen.com>
13506 PR middle-end/25724
13507 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13508 (do_jump_parts_zero_rtx): New function renamed from
13509 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13510 (do_jump_parts_equality_rtx): New function split out from
13511 do_jump_parts_equality. Old implementation renamed as above.
13512 Call do_jump_parts_zero_rtx if either operand is zero.
13513 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13514 do all of the heavy lifting.
13515 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13516 calling either do_jump_by_parts_greater_rtx or
13517 do_jump_by_parts_equality_rtx.
13518 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13519 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13520 moved to do_compare_rtx_and_jump, call it directly.
13521 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13522 mode argument. Call do_compare_rtx_and_jump.
13523 (emit_case_nodes): Update calls to do_jump_if_equal.
13525 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13527 PR rtl-optimization/26225
13528 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13530 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13532 PR rtl-optimization/26232
13533 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13535 2006-02-11 Jason Merrill <jason@redhat.com>
13538 * tree-inline.c (declare_return_variable): Just don't use the
13539 modify target if it's a gimple complex reg and the return slot
13542 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13544 * doc/contrib.texi: Update my entry.
13546 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13548 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13550 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13552 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13555 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13557 * doc/invoke.texi (-floop-optimize2): Removed.
13558 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13559 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13560 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13561 * common.opt (floop-optimize2): Removed.
13562 (fmove-loop-invariants): Enabled by default.
13564 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13566 * tree-if-conv.c (combine_blocks): Free the result of
13567 get_loop_exit_edges.
13569 2006-02-10 Jeff Law <law@redhat.com>
13571 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13573 PR tree-optimization/26213
13574 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13575 loop trying to follow SSA_NAME_VALUE chains.
13577 2006-02-10 Richard Guenther <rguenther@suse.de>
13579 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13580 deal with structures that end in implicitly variable sized arrays.
13582 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13584 PR rtl-optimization/24762
13585 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13588 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13590 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13591 (struct ivopts_data): Add regs_used field.
13592 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13593 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13594 instead of loop_data->regs_used;
13595 (free_loop_data): Do not free aux fields for loops.
13596 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13597 and tree_ssa_iv_optimize_finalize.
13599 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13601 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13603 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13606 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13607 computing the effective result type.
13609 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13611 PR inline-asm/16194
13612 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13613 (tree_overlaps_hard_reg_set): Declare.
13614 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13615 type and signature to match function type expected by walk_tree.
13616 (tree_overlaps_hard_reg_set): New function.
13617 (decl_conflicts_with_clobbers_p): Rename to:
13618 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13619 Use tree_overlaps_hard_reg_set. Changed caller.
13620 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13621 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13622 * cris.c (cris_md_asm_clobbers): Likewise.
13624 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13626 * reload1.c (emit_input_reload_insns): Delete code that tries to
13627 inherit using find_equiv_reg.
13629 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13631 * c-common.h (flag_const_strings): Don't declare.
13632 * c-common.c (flag_const_strings): Remove.
13633 * c.opt (fconst_strings): Remove.
13634 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13635 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13636 (c_common_init_options): Don't set flag_const_strings.
13637 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13639 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13641 * arm.md (tlobits_cbranch): New pattern.
13642 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13643 testing a single bit.
13645 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13648 * tree-ssa-pre.c (create_component_ref_by_pieces):
13649 Handle RETURN_DECL like VAR_DECL.
13651 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13653 PR middle-end/26134
13654 * fold-const.c (fold_indirect_ref_1): Fold
13655 "*(foo *)&complexfoo" to "__real__ complexfoo"
13656 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13658 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13660 * tree-flow-inline.h (var_can_have_subvars):
13661 Volatile variables should not have subvariables.
13663 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13666 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13667 multiplying unsigned values.
13670 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13672 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13674 2006-02-08 Jason Merrill <jason@redhat.com>
13677 * tree.def: Elaborate on difference from MODIFY_EXPR.
13678 * doc/c-tree.texi (INIT_EXPR): Likewise.
13679 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13680 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13681 (gimplify_target_expr): Likewise.
13682 (gimplify_cond_expr): Remove target handling.
13683 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13684 (gimplify_expr): Clobber it here.
13685 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13686 Do return slot optimization if we have an INIT_EXPR.
13689 * tree-inline.c (declare_return_variable): Also clear
13690 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13693 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13695 PR middle-end/22439
13696 * gimplify.c (gimplify_one_sizepos): Fix typo.
13698 2006-02-08 Jeff Law <law@redhat.com>
13700 PR tree-optimization/21417
13701 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13702 across a backedge if the control statement at the end of the
13703 block is data dependent on other statements in the same block.
13704 (record_temporary_equivalences_from_stmts): Remove over-conservative
13705 test for threading across backedges.
13707 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13708 control statement, handle all three special cases in the same
13709 manner as they all have the same desired solution. No longer
13710 special case edge flag updating when the post dominator is
13713 2006-02-08 Roger Sayle <roger@eyesopen.com>
13715 * tree.def (CHAR_TYPE): Remove.
13716 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13717 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13718 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13719 (gen_string_type_die): Delete unreachable function.
13721 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13722 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13723 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13724 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13725 * builtins.c (type_to_class): Likewise.
13726 * fold-const.c (fold_convert, build_range_check,
13727 merge_ranges): Likewise.
13728 * expr.c (count_type_elements): Likewise.
13729 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13730 * stor-layout.c (layout_type): Likewise.
13731 * ipa-type-escape.c (type_to_consider): Likewise.
13732 * gimplify.c (omp_firstprivatize_type_sizes,
13733 gimplify_type_sizes): Likewise.
13734 * explow.c (promote_mode): Likewise.
13735 * tree-sra.c (is_sra_scalar_type): Likewise.
13736 * varasm.c (output_constant): Likewise.
13737 * tree-inline.c (remap_type_1): Likewise.
13738 * convert.c (convert_to_pointer, convert_to_real,
13739 convert_to_integer, convert_to_complex): Likewise.
13741 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13743 * df-scan.c (df_def_record_1): A set destination may
13744 be a parallel regardless of mode.
13746 2006-02-08 Roger Sayle <roger@eyesopen.com>
13749 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13750 * config/mips/_tilib.c: Remove.
13751 * config/fixtfdi.c: New libgcc source file.
13752 * config/fixunstfdi.c: New source file.
13753 * config/floatditf.c: New source file.
13754 * config/floatunditf.c: New souce file.
13755 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13756 files above instead of config/mips/_tilib.c.
13757 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13759 2006-02-08 Jeff Law <law@redhat.com>
13761 PR tree-optimization/26169
13762 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13765 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13767 * df.h (DF_REG_SIZE): Return the length of the initialized
13770 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13772 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13773 __muldf3): Return a correctly signed zero.
13775 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13777 * passes.c (register_one_dump_file): Accept the current properties
13778 instead of pass number. Adjust call to dump_register. Remove
13780 (register_dump_files): Now a wrapper around...
13781 (register_dump_files_1): ... this one. Do not modify the pass
13783 (next_pass_1): Cosmetic fix.
13784 (execute_todo): Keep second parameter only. Use curr_properties
13785 instead of fetching it from the pass structure. Check and set
13787 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13788 instead of fetching it from the pass structure. Fix calls to
13789 execute_todo. Update curr_properties and initialize .vcg RTL dump
13790 after running the pass. Reset last_verified.
13791 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13793 (FIRST_AUTO_NUMBERED_DUMP): New.
13794 (dump_register): Remove "num" parameter, assign it within the
13796 (get_dump_file_name): Modify template for dumps.
13797 * tree-dump.h (dump_register): Adjust prototype.
13798 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13799 (PROP_trees): Add PROP_gimple_lomp.
13800 (TODO_set_props): New.
13801 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13802 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13803 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13805 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13807 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13808 (sparc64-*-linux*): Likewise.
13809 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13810 * config/sparc/t-linux: New file.
13811 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13812 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13813 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13814 -m32 -mlong-double-128.
13816 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13817 * config/alpha/t-linux: New file.
13818 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13820 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13821 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13822 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13823 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13824 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13825 (CPP_ARCH32_SPEC): Remove.
13827 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13829 PR tree-optimization/26145
13830 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13833 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13836 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13837 >= 240000 when generating code for SOM runtime.
13838 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13839 to $$dyncall when generating code for SOM runtime..
13841 2006-02-07 Dirk Mueller <dmueller@suse.com>
13844 * doc/invoke.texi (-Wsequence-point): Update documentation
13845 that -Wsequence-point is implemented for C++ as well.
13847 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13849 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13850 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13851 (LIB_SPEC): Likewise.
13852 * doc/invoke.texi (SPARC options): Document -pthread.
13854 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13856 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13859 2006-02-07 Roger Sayle <roger@eyesopen.com>
13861 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13862 Correct comment describing BOOLEAN_TYPE.
13864 2006-02-07 Dirk Mueller <dmueller@suse.com>
13866 * c.opt: C++ frontend supports -Wdiv-by-zero.
13867 * c-opts.c (c_common_handle_option): Remove dead case.
13869 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13871 * configure.ac (TLS assembler check): Do not enable TLS by
13872 default on SPARC/Solaris before version 10.
13873 * configure: Regenerate.
13875 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13877 * doc/invoke.texi (xl-compat): Document conversion and support
13880 2006-02-07 Jeff Law <law@redhat.com>
13882 * tree-vrp.c (find_conditional_asserts): Update comments.
13883 (simplify_stmt_for_jump_threading): New.
13884 (identify_jump_threads, finalize_jump_threads): New.
13885 (vrp_finalize): Call identify_jump_threads.
13886 (execute_vrp): Call finalize_jump_threads.
13887 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13888 (vrp_element, vrp_data, vrp_element_p): Remove.
13889 (vrp_hash_elt, vrp_variables_stack): Remove.
13890 (vrp_hash, vrp_eq, record_range): Remove.
13891 (simplify_cond_and_lookup_avail_expr): Remove.
13892 (extract_range_from_cond): Remove.
13893 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13894 (simplify_stmt_for_jump_threading): New.
13895 (dom_thread_across_edge): New wrapper.
13896 (tree_ssa_dominator_optimize): No longer initialize or
13897 finalize any of the VRP datastructures. Remove iteration
13898 step and simplify as a result of removal of iteration step.
13899 (pass_dominator): Perform a cfg cleanup after DOM.
13900 (dom_opt_finalize_block): Use the new common routines
13901 for threading jumps. Simplify stack management slightly.
13902 No longer need to unwind VRP state.
13903 (record_equivalences_from_incoming_edge): No longer record
13905 (eliminate_redundant_computations): No longer call
13906 simplify_cond_and_lookup_avail_expr.
13907 * tree-flow.h (potentially_threadable_block): Prototype.
13908 (thread_across_edge): Likewise.
13909 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13910 (tree-ssa-threadedge.o): Add dependencies.
13911 * tree-ssa-threadedge.c: New file.
13912 * passes.c (init_optimization_passes): Merge PHIs before
13913 calling VRP. Run VRP again late in the SSA optimization pipeline.
13915 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13917 * df-core.c (df_set_blocks): Do not dereference function pointers.
13918 (df_finish1): Likewise.
13919 (df_hybrid_search_forward): Likewise.
13920 (df_hybrid_search_backward): Likewise.
13921 (df_iterative_dataflow): Likewise.
13922 (df_analyze_problem): Likewise.
13923 (df_compact_blocks): Likewise.
13924 (df_dump): Likewise.
13925 * df-scan.c (df_rescan_blocks): Likewise.
13926 (df_record_entry_block_defs): Likewise.
13928 * genconditions.c (write_conditions): Guard the definition of
13929 'insn_conditions' with the check on GCC version.
13930 (write_writer): Guard the traversal 'insn_conditions' with
13931 the check on GCC version.
13933 2006-02-07 Richard Guenther <rguenther@suse.de>
13937 2006-01-30 Richard Guenther <rguenther@suse.de>
13939 * gimplify.c (gimplify_target_expr): Handle easy cases
13940 without creating a temporary.
13942 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13944 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13945 use of float in probability computations. Use edge probabilities
13946 in place of statically computed probabilities.
13947 (min_spec_prob): New static variable.
13948 (schedule_insns): Initialize it.
13949 (GET_SRC_PROB): Removed.
13950 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13952 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13955 * config/ia64/unwind-ia64.c: Revert last change.
13956 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13957 (INCOMING_FRAME_SP_OFFSET): Define.
13959 2006-02-06 Roger Sayle <roger@eyesopen.com>
13961 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13963 2006-02-07 Ben Elliston <bje@au.ibm.com>
13965 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13966 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13967 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13968 (ix86_return_in_memory): Handle TDmode.
13969 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13970 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13972 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13974 * reorg.c (dbr_schedule): Use dump_file instead of file.
13976 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13979 * config/ia64/predicates.md (extr_len_operand): New predicate.
13980 * config/ia64/ia64.md (extv): Tighten constraints.
13982 (*tbit_and_2): Ditto.
13983 (*tbit_and_3): Ditto.
13984 (*tbit_or_2): Ditto.
13985 (*tbit_or_3): Ditto.
13986 (*bit_zero): Ditto.
13989 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13992 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13994 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13996 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13997 loop_optimizer_init and loop_optimizer_finalize
13998 * tree-ssa-sink.c (execute_sink_code): Ditto.
13999 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14000 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14001 tree_ssa_loop_done): Ditto.
14002 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14003 * sched-ebb.c: Include output.h.
14004 (schedule_ebbs): Do not use dump argument.
14005 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14006 * loop.c (loop_dump_stream): Removed.
14007 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14009 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14010 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14011 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14012 loop_iterations, strength_reduce, record_biv, record_giv,
14013 final_giv_value, check_final_value, check_ext_dependent_givs,
14014 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14015 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14016 dump_file instead of loop_dump_stream.
14017 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14018 argument dump_file.
14019 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14021 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14022 * haifa-sched.c: Include output.h
14023 (schedule_insns, sched_init): Do not use dump argument.
14024 * mode-switching.c (optimize_mode_switching): Ditto.
14025 * modulo-sched.c (stats_file): Removed.
14026 (print_node_sched_params): Do not call argument dump_file.
14027 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14028 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14030 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14032 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14033 rtl_loop_init, rtl_loop_done): Ditto.
14034 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14035 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14037 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14038 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14039 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14040 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14041 * emit-rtl.c (renumber_insns): Ditto.
14042 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14043 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14044 * regclass.c (regclass): Ditto.
14045 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14046 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14047 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14048 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14050 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14051 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14053 * gcse.c (gcse_file, debug_stderr): Removed.
14054 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14055 rest_of_handle_gcse): Do not use dump argument.
14056 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14057 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14058 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14059 compute_code_hoist_vbeinout, compute_code_hoist_data,
14060 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14061 compute_store_table, build_store_vectors, insert_insn_start_bb,
14062 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14063 store_motion): Use dump_file instead of gcse_file.
14064 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14065 * profile.c (profile_dump_file): Removed.
14066 (branch_prob): Use dump_file instead of profile_dump_file.
14067 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14069 * tree-ssa-copy.c (dump_copy_of): Ditto.
14070 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14071 dump file to life_analysis.
14072 * bt-load.c (branch_target_load_optimize): Ditto.
14073 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14075 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14076 regclass, dbr_schedule): Declaration changed.
14077 * sched-int.h (sched_init): Declaration changed.
14078 * tree-profile.c (tree_profile_dump_file): Removed.
14079 (tree_profile_hooks): Removed profile_dump_file hook.
14080 * rtl-profile (rtl_profile_dump_file): Removed.
14081 (rtl_profile_hooks): emoved profile_dump_file hook.
14082 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14084 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14085 * tree-cfg.c (build_tree_cfg): Ditto.
14086 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14087 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14088 Declaration changed.
14089 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14090 life_analysis and schedule_insns.
14091 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14093 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14095 * config/mips/mips.c (mips_reorg): Ditto.
14096 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14099 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14101 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14102 (s390_mangle_fundamental_type): New.
14103 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14106 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14107 (alpha_mangle_fundamental_type): New.
14108 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14111 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14113 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14115 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14116 (sparc_mangle_fundamental_type): New.
14118 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14120 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14121 (s390x-*-linux*): Likewise.
14122 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14123 * config/s390/t-linux: New file.
14125 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14127 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14128 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14130 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14132 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14133 (ANTIC_SAFE_LOADS): New macro.
14134 (find_or_generate_expression): Add prototype.
14135 (set_contains_value): Allow null set for sake of not always having
14136 to allocate ANTIC_SAFE_LOADS.
14137 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14138 Allow COMPONENT_REF too.
14139 (valid_in_set): Allow COMPONENT_REF.
14140 Check ANTIC_SAFE_LOADS too.
14141 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14142 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14144 (can_PRE_operation): Add COMPONENT_REF.
14145 (create_component_ref_by_pieces): New function.
14146 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14147 (insert_aux): Move AGGREGATE_TYPE_P check here.
14148 (compute_avail): Set bb local stmt uids.
14149 (pass_pre): Use TODO_update_ssa_only_virtuals.
14151 2006-02-06 Ben Elliston <bje@au.ibm.com>
14153 * configure.ac: Unconditionally disable decimal float by default.
14154 * configure: Regenerate.
14156 2006-02-06 Ben Elliston <bje@au.ibm.com>
14158 * read-rtl.c (read_name): Terminate reading on EOF.
14160 2006-02-06 Ben Elliston <bje@au.ibm.com>
14162 * dfp.c (decimal_real_arithmetic): Change second argument type
14163 from int to enum tree_code. Do not always return true, but now
14164 return result of any call to decimal_do helper functions.
14165 * dfp.h (decimal_real_arithmetic): Update prototype.
14167 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14169 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14171 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14174 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14177 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14179 * tree-vrp.c (cfg_loops): Removed.
14180 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14181 Use current_loops instead of cfg_loops. Pass flags to
14182 loop_optimizer_init.
14183 * cfgloopmanip.c (fix_loop_structure): Update only available
14185 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14186 loop_optimizer_init.
14187 * modulo-sched.c (build_loops_structure): Removed.
14188 (sms_schedule): Use loop_optimizer_init.
14189 * loop-init.c (loop_optimizer_init): Use flags to determine
14190 which properties of loops to prepare.
14191 (rtl_loop_init): Pass flags to loop_optimizer_init.
14192 * tree-ssa-sink.c (execute_sink_code): Ditto.
14193 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14194 * tree-ssa-pre.c (init_pre): Ditto.
14195 * cfgloop.h (LOOPS_NORMAL): New.
14196 (loop_optimizer_init): Declaration changed.
14198 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14200 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14201 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14203 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14205 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14207 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14208 * pa/t-pa64: Delete quadlib.c rule.
14209 * pa/x-ada: Revert last change.
14210 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14212 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14214 PR rtl-optimization/26087
14215 * rtlanal.c (canonicalize_condition): Do not cross basic block
14218 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14221 * config/ia64/ia64.c: Include debug.h.
14222 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14223 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14224 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14225 (process_epilogue, process_set, process_for_unwind_directive):
14226 Output unwind info only if requested. Add CFA info if requested.
14227 Add new arguments as needed. Adjust callers.
14228 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14230 (DWARF2_FRAME_INFO): Define to zero.
14231 * config/ia64/unwind-ia64.c: Remove code that compensated for
14232 the CFA offset error fixed above.
14233 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14234 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14235 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14236 -funwind-tables and -fexceptions to enable frame info.
14237 (dwarf2out_frame_init): Define initial CFA even if
14238 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14239 DWARF2_UNWIND_INFO is nonzero, not just defined.
14240 (dwarf2out_frame_finish): Output non-EH call frame info only
14241 if DWARF2_FRAME_INFO is nonzero.
14242 (convert_cfa_to_loc_list,
14243 compute_frame_pointer_to_cfa_displacement): Define even if
14244 unwind info is not supported.
14245 (gen_subprogram_die): Use the above unconditionally. Remove
14246 legacy alternate code.
14247 * toplev.c (compile_file): Compile in call to
14248 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14249 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14251 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14252 Jakub Jelinek <jakub@redhat.com>
14254 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14255 IBM extended float format long double as "g" on powerpc*-linux.
14257 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14260 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14261 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14263 2006-02-03 Jason Merrill <jason@redhat.com>
14266 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14268 PR middle-end/25977
14269 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14270 on the return slot if it's an NRV.
14272 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14274 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14275 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14276 rewrite_use): Do not handle USE_OUTER.
14277 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14278 add_iv_outer_candidates, may_replace_final_value,
14279 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14280 (find_interesting_uses_op): Functionality of
14281 find_interesting_uses_outer_or_nonlin moved here.
14282 (find_interesting_uses_outside): Use find_interesting_uses_op.
14284 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14287 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14289 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14290 Ulrich Weigand <uweigand@de.ibm.com>
14293 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14294 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14295 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14296 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14298 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14299 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14300 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14301 Define secondary reloads for TFmode moves.
14302 (constant_modes): Add TFmode.
14303 (NR_C_MODES): Set to 8.
14304 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14306 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14307 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14308 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14309 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14310 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14311 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14312 (FPR mode macro): Add TFmode.
14313 (DSF mode macro): New.
14314 (<de>, <dee> mode attributes): Removed.
14315 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14316 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14317 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14318 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14319 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14320 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14321 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14322 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14323 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14324 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14325 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14326 "*negabs<mode>2", "sqrt<mode>2"):
14327 Changed <de> to <xde>. R constraint replaced by <Rf>.
14328 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14330 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14331 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14332 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14334 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14335 "extenddftf2", "extendsftf2"): New expanders.
14336 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14337 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14338 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14339 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14341 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14342 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14343 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14344 __floatditf): Add a GCC_4.1.0 symbol version tag.
14345 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14348 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14351 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14352 Use targetm.binds_local_p instead of TREE_PUBLIC.
14354 2006-02-02 Roger Sayle <roger@eyesopen.com>
14356 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14357 on INTEGER_TYPEs to indicate that it denotes a character type.
14358 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14359 signed_char_type_node, unsigned_char_type_node and char_type_node.
14360 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14361 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14362 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14364 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14365 Daniel Berlin <dberlin@dberlin.org>
14367 * tree-tailcall.c (arg_needs_copy_p): New function.
14368 (eliminate_tail_call): Use arg_needs_copy_p.
14369 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14370 (add_virtual_phis): New function.
14372 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14374 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14375 #ignore instead of #scratch for %g7 .register directive.
14377 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14379 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14382 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14384 * flow.c (calculate_global_regs_live): Assert that there aren't any
14387 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14389 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14390 what its name says.
14391 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14392 bsi_after_labels iterator.
14393 * tree-if-conv.c (find_phi_replacement_condition,
14394 replace_phi_with_cond_modify_expr): Likewise.
14395 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14396 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14398 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14400 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14402 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14405 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14406 array after growing it.
14408 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14410 PR middle-end/24901
14411 * fold-const.c (fold_checksum_tree): Change type of buf.
14413 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14415 * reload.c (push_secondary_reload): Initialize t_icode.
14417 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14419 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14420 -msoft-float -mlong-double-128 only issue a warning, but don't
14421 swich to DFmode long double.
14423 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14425 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14426 has a constant equivalent, iterate over equivalents for arg0,
14427 calling simplify_relational_operation and if there's a result
14428 cheaper than X, apply fold_rtx and return the result.
14430 2006-02-01 Jan Hubicka <jh@suse.cz>
14432 * opts.c (no_unit_at_a_time_default): New global variable.
14433 (decode_options): Use it.
14434 * opts.h (no_unit_at_a_time_default): Declare.
14436 2006-02-01 Paul Brook <paul@codesourcery.com>
14438 * function.c (assign_parm_setup_reg): Use function argument promotion
14440 * expr.c (expand_expr_real_1): Use function argument promotion rules
14443 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14445 * gcc.c (process_command): Change j to 'unsigned int'.
14447 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14449 PR middle-end/26001
14450 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14451 Use the corrected index for the character
14452 out of the string constant.
14454 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14456 * mode-switching.c (optimize_mode_switching): Fix size
14457 allocated for bb_info[n_entities].
14459 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14461 * gcc.c (main): Correct type that is allocated for
14462 explicit_link_files.
14464 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14466 * config/s390/s390.c (init_alignment_context): Set
14467 ALIAS_SET_MEMORY_BARRIER on the MEM.
14468 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14470 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14472 PR middle-end/25933
14473 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14475 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14478 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14480 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14481 * regrename.c: Ditto.
14482 * tree-ssa-loop-im.c: Ditto.
14483 * tree-dump.c: Ditto.
14484 * tree-complex.c: Ditto.
14485 * genrecog.c: Ditto.
14486 * tree-ssa-threadupdate.c: Ditto.
14488 * java/class.c: Ditto.
14489 * java/jcf-parse.c: Ditto.
14490 * java/resource.c: Ditto.
14491 * java/except.c: Ditto.
14492 * java/jvspec.c: Ditto.
14493 * java/jcf-write.c: Ditto.
14494 * java/jcf-path.c: Ditto.
14495 * java/gjavah.c: Ditto.
14496 * java/zextract.c: Ditto.
14497 * java/jcf-io.c: Ditto.
14498 * java/jcf.h: Ditto.
14499 * java/buffer.c: Ditto.
14500 * java/lang.c: Ditto.
14501 * java/parse-scan.y: Ditto.
14502 * java/lex.c: Ditto.
14503 * java/lex.h: Ditto.
14504 * cfgloopmanip.c: Ditto.
14505 * postreload-gcse.c: Ditto.
14506 * tree-ssa-loop-manip.c: Ditto.
14507 * postreload.c: Ditto.
14508 * tree-ssa-loop-ch.c: Ditto.
14511 * cppspec.c: Ditto.
14512 * diagnostic.c: Ditto.
14514 * genoutput.c: Ditto.
14516 * cfghooks.c: Ditto.
14517 * cfgloopanal.c: Ditto.
14518 * objc/objc-act.c: Ditto.
14520 * genextract.c: Ditto.
14521 * genautomata.c: Ditto.
14522 * pretty-print.c: Ditto.
14523 * genemit.c: Ditto.
14524 * cgraphunit.c: Ditto.
14526 * df-scan.c: Ditto.
14527 * haifa-sched.c: Ditto.
14528 * dominance.c: Ditto.
14530 * tree-ssa-loop-ivopts.c: Ditto.
14531 * df-core.c: Ditto.
14532 * mode-switching.c: Ditto.
14533 * modulo-sched.c: Ditto.
14535 * ipa-pure-const.c: Ditto.
14537 * fix-header.c: Ditto.
14539 * tree-stdarg.c: Ditto.
14540 * ipa-utils.c: Ditto.
14541 * loop-init.c: Ditto.
14542 * ipa-inline.c: Ditto.
14543 * cfganal.c: Ditto.
14545 * alloc-pool.c: Ditto.
14546 * dwarf2out.c: Ditto.
14548 * genattrtab.c: Ditto.
14549 * tree-ssa-loop-ivcanon.c: Ditto.
14550 * predict.c: Ditto.
14551 * timevar.c: Ditto.
14553 * fortran/gfortranspec.c: Ditto.
14554 * regmove.c: Ditto.
14555 * local-alloc.c: Ditto.
14556 * langhooks.c: Ditto.
14557 * function.c: Ditto.
14558 * tree-vectorizer.c: Ditto.
14560 * ipa-type-escape.c: Ditto.
14562 * tree-if-conv.c: Ditto.
14563 * profile.c: Ditto.
14565 * tree-data-ref.c: Ditto.
14566 * loop-unroll.c: Ditto.
14567 * treelang/treetree.c: Ditto.
14569 * bt-load.c: Ditto.
14570 * ggc-common.c: Ditto.
14572 * coverage.c: Ditto.
14574 * tree-cfgcleanup.c: Ditto.
14575 * tree-ssa-pre.c: Ditto.
14576 * cfgcleanup.c: Ditto.
14577 * loop-invariant.c: Ditto.
14578 * loop-iv.c: Ditto.
14579 * ipa-prop.c: Ditto.
14580 * print-tree.c: Ditto.
14581 * conflict.c: Ditto.
14582 * ggc-page.c: Ditto.
14583 * sched-deps.c: Ditto.
14584 * regclass.c: Ditto.
14585 * tree-object-size.c: Ditto.
14586 * combine.c: Ditto.
14587 * bb-reorder.c: Ditto.
14588 * resource.c: Ditto.
14589 * var-tracking.c: Ditto.
14590 * cfgloop.c: Ditto.
14591 * df-problems.c: Ditto.
14592 * reg-stack.c: Ditto.
14594 * gccspec.c: Ditto.
14595 * sched-rgn.c: Ditto.
14596 * tree-ssa-structalias.c: Ditto.
14597 * tree-ssa-reassoc.c: Ditto.
14598 * config/darwin-c.c: Ditto.
14599 * config/darwin.c: Ditto.
14600 * config/arm/arm.c: Ditto.
14602 * collect2.c: Ditto.
14603 * reload1.c: Ditto.
14605 2006-01-31 Nicolas Pitre <nico@cam.org>
14607 * arm.md (smaxsi3): Make aware of smax_m1.
14610 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14612 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14614 2006-01-31 Richard Guenther <rguenther@suse.de>
14616 * doc/invoke.texi (-msselibm): Document.
14617 * target.h (expand_library_builtin): New target hook.
14618 * builtins.c (expand_builtin): Use expand_library_builtin.
14619 (default_expand_library_builtin): New function.
14620 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14621 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14622 (link_gcc_math_spec): Declare.
14623 (static_specs): Add link_gcc_math_spec.
14624 * expr.h (default_expand_library_builtin): Declare.
14625 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14626 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14627 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14628 * config/i386/i386.opt (msselibm): New target option.
14629 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14630 (ix86_init_sse_abi_builtins): New function.
14631 (ix86_expand_library_builtin): Likewise.
14632 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14633 (override_options): Handle error conditions wrt -msselibm.
14634 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14635 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14636 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14639 2006-01-31 Richard Guenther <rguenther@suse.de>
14640 Paolo Bonzini <bonzini@gnu.org>
14642 * doc/install.texi (--disable-libgcc-math): Document.
14644 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14646 * expr.h (expand_normal): new inline function.
14647 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14648 * dojump.c: use it.
14649 * dwarf2out.c: use it.
14652 * expmed.c: use it.
14653 * except.c: use it.
14654 * config/sparc/sparc.c: use it.
14655 * config/i386/i386.c: use it.
14656 * config/rs6000/rs6000.c: use it.
14657 * config/arm/arm.c: use it.
14658 * config/mips/mips.c: use it.
14659 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14661 2006-01-30 Roger Sayle <roger@eyesopen.com>
14663 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14664 argv to the appropriate type.
14666 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14668 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14671 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14674 * config/s390/s390.c (struct machine_function): New flag
14675 decomposed_literal_pool_addresses_ok_p.
14676 (s390_reorg): Set it before final stage of literal pool transforms.
14677 (s390_decompose_address): Only accept displacements of the form
14678 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14680 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14682 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14683 the comparison routine return.
14685 2006-01-30 Michael Matz <matz@suse.de>
14687 * global.c (find_reg): Only evict for global regs.
14688 Take n_refs into account and dump more info.
14690 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14693 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14694 (pragma_trap, pragma_nosave_low_regs): Likewise.
14695 (current_function_anonymous_args): Likewise.
14696 (sh_deferred_function_attributes): New variable.
14697 (sh_deferred_function_attributes_tail): Likewise.
14698 (print_operand): For '@', look up trap_exit attribute.
14699 (calc_live_regs): Look up trapa_handler attribute. For trapa
14700 handlers, save/restore fpscr, but don't do any other
14701 interrupt-specific saves.
14702 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14703 Fix check for partially saved registers to check for SHmedia.
14704 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14705 (sh_output_function_epilogue): Don't clear any of the removed
14707 (sh_insert_attributes): Don't check pragma_interrupt.
14708 Insert deferred attributes. Check that interrupt attribute is
14709 present for other attributes that require its presence.
14710 (sh_attribute_table): Add new attributes trapa_handler and
14712 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14713 Don't check for pragma_interrupt. Don't store argument.
14714 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14715 (sh_deferred_function_attributes): Declare.
14716 (sh_deferred_function_attributes_tail): Likewise.
14717 * sh.md (sp_switch_1): Add operand. Change generator caller.
14718 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14719 (*return_i): Don't use when trap_exit attribute is in effect.
14720 (*return_trapa): New insn pattern.
14721 * sh-c.c: New file.
14722 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14723 setting c_target_objs and cxx_target_objs.
14724 * t-sh: Add rule for sh-c.o.
14726 2006-01-30 Richard Guenther <rguenther@suse.de>
14729 * gimplify.c (gimplify_target_expr): Handle easy cases
14730 without creating a temporary.
14732 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14734 * vec.h (safe_grow): Remove duplicated line.
14736 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14739 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14740 (expand_omp): ... here.
14741 (expand_omp_parallel): Only remove barriers for combined
14742 parallel+workshare constructs.
14744 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14748 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14749 * tree.c (build_qualified_type): Chain the new type to the original
14750 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14751 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14752 (build_pointer_type_for_mode): Only return unqualified types.
14753 (build_reference_type_for_mode): Likewise.
14755 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14757 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14758 * Makefile.in (CXX_COMPAT_WARN): Define.
14759 * configure: Regenerate.
14761 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14764 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14767 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14769 * toplev.c: Fix thinko.
14771 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14772 Marcin Dalecki <martin@dalecki.de>
14774 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14775 (push_srcloc): Use XNEW.
14776 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14778 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14780 * df-core.c (df_set_blocks): Deleted all variable.
14782 2006-01-28 Ian Lance Taylor <ian@airs.com>
14784 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14785 cgraph_output_pending_asms.
14787 2006-01-28 Zack Weinberg <zackw@panix.com>
14789 * c.opt: Add -W(no-)overlength-strings.
14790 * doc/invoke.texi: Document it.
14791 * c-opts.c (c_common_handle_option): -pedantic implies
14792 -Woverlength-strings, if not explicitly disabled already.
14793 (c_common_post_options): -Woverlength-strings defaults to off, and
14794 is always off for C++.
14795 * c-common.c (fix_string_type): Issue warning about strings longer
14796 than is portable only if warn_overlength_strings. Rearrange code
14797 a little for clarity.
14798 * configure.in: Check for -Wno-overlength-strings as well before
14799 enabling -pedantic in stage 1.
14800 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14801 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14803 * genconditions.c (write_header, write_one_condition)
14804 (write_conditions, write_writer): Consolidate very long strings
14805 that were broken up to fit in C89 portable limit. Don't use
14806 printf when fputs will do.
14808 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14810 * combine.c (simplify_comparison <AND>): Check
14811 TRULY_NOOP_TRUNCATION before start using a subreg.
14813 * config/mips/mips.md (*branch_zero<mode>,
14814 *branch_zero<mode>_inverted, *branch_equality<mode>,
14815 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14816 Remove mode check from comparisons.
14818 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14820 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14822 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14824 * expmed.c (const_mult_add_overflow_p): Remove.
14825 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14827 * recog.c (validate_replace_rtx_subexp): Remove.
14828 * recog.h: Remove the prototype for
14829 validate_replace_rtx_subexp.
14831 * integrate.h: Remove the prototype for
14832 copy_decl_for_inlining.
14833 * rtl.h: Remove the prototype for mark_constant_function.
14834 * tree-vectorizer.h: Remove the prototype for
14835 vect_strip_conversion.
14837 * modulo-sched.c (create_partial_schedule,
14838 free_partial_schedule, reset_partial_schedule): Make them
14841 * hooks.c (hook_bool_rtx_int_false): Remove.
14842 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14844 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14846 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14847 and -mlong-double-128 are incompatible.
14848 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14849 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14850 (TARGET_LIBGCC2_CFLAGS): Define.
14851 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14852 (TARGET_LIBGCC2_CFLAGS): Same.
14853 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14855 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14858 * c-typeck.c (build_binary_op): Perform implicit casts of
14859 operands before shortening them.
14861 * cfgloopmanip.c (split_loop_bb): Remove.
14862 * cfgloop.h: Remove the prototype for split_loop_bb.
14864 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14865 * cfgloop.h: Remove the prototype for
14866 flow_loop_outside_edge_p.
14868 * emit-rtl.c (init_virtual_regs): Make it static.
14869 * function.h: Remove the prototype for init_virtual_regs.
14871 * recog.c (peephole2_optimize): Make it static.
14872 * recog.h: Remove the prototype for peephole2_optimize.
14874 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14876 * df-scan.c (df_record_entry_block_defs): Check if
14877 INCOMING_RETURN_ADDR_RTX is defined.
14879 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14880 Kenneth Zadeck <zadeck@naturalbridge.com>
14882 PR rtl-optimization/24762
14883 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14884 * targhooks.c (hook_void_bitmap): New hook prototype.
14885 * targhoohs.h (hook_void_bitmap): Ditto.
14886 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14887 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14888 * target.h (live_on_entry): New function pointer.
14889 * df-scan.c (df_all_hard_regs): Removed.
14890 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14891 (df_scan_free_internal): Added df->entry_block_defs.
14892 (df_scan_alloc): Ditto.
14893 (df_scan_dump): Ditto.
14894 (df_uses_record): Plumbed flag field properly thru calls.
14895 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14896 This part fixes PR24762.
14897 (df_bb_refs_record): Added code to make the frame and arg
14898 pointers live in EH blocks.
14899 (df_refs_record): Added call to df_record_entry_block_defs.
14900 (df_record_entry_block_defs): New function.
14901 * df-core.c: Added comments to describe new artifical defs.
14902 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14903 (entry_block_defs): New field in struct df.
14904 (df_all_hard_regs): Deleted.
14905 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14906 * df-problems.c (df_ru_bb_local_compute_process_def):
14907 Added code to handle artifical defs in the entry to a function.
14908 (df_ru_bb_local_compute): Ditto.
14909 (df_rd_bb_local_compute_process_def): Ditto.
14910 (df_rd_bb_local_compute): Ditto.
14911 (df_lr_bb_local_compute): Ditto.
14912 (df_ur_bb_local_compute): Ditto.
14913 (df_urec_bb_local_compute): Ditto.
14914 (df_chain_create_bb): Ditto.
14915 (df_ur_local_finalize): Removed entry.
14916 (df_urec_init): Ditto.
14917 (df_urec_local_finalize): Ditto.
14918 (df_ri_bb_compute): Added detection of last use of pseudos.
14919 * Makefile.in (df-scan.o): Updated dependencies.
14920 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14921 * config/mips/mips.c (mips_set_live_on_entry): Added.
14922 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14924 * dce.c (marked_insn_p): Added code to handle artifical defs.
14926 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14928 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14930 (_mm_cvtsi128_si64): Likewise.
14931 (_mm_cvtsd_si64): Likewise.
14932 (_mm_cvttsd_si64): Likewise.
14933 (_mm_cvtsi64_sd): Likewise.
14934 (_mm_cvtsi64_si128): Likewise.
14935 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14936 (_mm_cvtsi64_m64): Likewise.
14937 (_m_to_int64): Likewise.
14938 (_mm_cvtm64_si64): Likewise.
14939 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14940 (_mm_cvttss_si64): Likewise.
14941 (_mm_cvtsi64_ss): Likewise.
14942 (_mm_cvtss_f32): Likewise.
14944 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14946 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14947 for pragma redefine_extname.
14949 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14952 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14953 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14954 -mno-minimal-toc to previous content.
14955 (bispecs): Remove goal.
14956 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14957 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14958 compatibility aliases on powerpc-*-*gnu*.
14959 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14960 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14961 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14962 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14963 (ldblspecs): New goal.
14964 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14965 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14967 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14968 L_sf_to_tf or L_df_to_tf is defined.
14970 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14971 Alan Modra <amodra@bigpond.net.au>
14974 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14975 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14976 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14977 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14978 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14979 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14980 (rs6000_override_options): Initialize rs6000_ieeequad.
14981 Initialize TFmode format to ibm_extended_format if not
14983 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14985 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14986 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14987 (function_arg_advance): IBM long double passed in two FPRs, not
14989 (function_arg): IBM long double passed in FPRs.
14990 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14991 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14992 Only multireg GPR aligned.
14993 (rs6000_init_libfuncs): Enable IBM long double functions if not
14995 (rs6000_generate_compare): Use IBM long double compare if not
14997 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14998 (TARGET_IEEEQUAD): Define.
14999 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15000 not TARGET_IEEEQUAD.
15001 * config/rs6000/rs6000.md: Enable TFmode patterns if
15003 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15004 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15005 and -mlong-double-128 are incompatible.
15006 * doc/invoke.texi (-mabi): Collect options together. Add
15007 ibmlongdouble and ieeelongdouble.
15009 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15011 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15013 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15014 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15015 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15016 * rtl.h (rtunion_def): Remove rt_ptr.
15018 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15019 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15020 * config/i386/winnt.c (i386_pe_mark_dllexport)
15021 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15023 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15025 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15027 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15031 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15032 pthread_key_delete. From John David Anglin. gthrw-ify
15033 pthread_getunique_np only if it it's not a macro. Delete
15035 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15036 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15037 __gthread_objc_condition_signal, __gthread_key_delete): Add
15038 "__attribute__ ((__unused__))" to unused arguments.
15039 (__gthread_recursive_mutex_init_function): Add missing return.
15040 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15041 gthr-posix95.h: Use macro-based approach for name redirection
15042 on targets missing weakref.
15044 2006-01-26 Zack Weinberg <zackw@panix.com>
15046 * genconditions.c (write_header): In generated code, #ifdef out
15047 all includes and fake declarations, except includes of bconfig.h
15048 and system.h, unless GCC_VERSION >= 3001. Do not include
15049 gensupport.h in any case.
15050 (write_conditions): Generate a definition of struct c_test. Add
15051 a comment to the generated #endif.
15052 (write_one_condition): Escape backslashes in string too.
15053 (write_writer): Generated code must escape backslashes and quote
15054 marks (but not newlines) in the strings it writes.
15055 * Makefile.in (build/gencondmd.o): Update dependencies.
15057 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15060 * Makefile.in (insn-automata.o): Add header file dependencies.
15061 * genautomata.c: Add includes.
15063 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15066 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15068 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15070 * configure.ac: Expect target tools paths to be passed from the toplevel
15071 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15073 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15075 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15078 * c.opt (Wpointer-sign): Init to -1.
15079 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15080 OPT_pedantic, to 0 otherwise.
15081 * doc/invoke.texi: Update.
15083 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15085 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15086 constants provided by 80387 instructions in the destination mode.
15088 2006-01-26 Richard Guenther <rguenther@suse.de>
15089 Andrew Pinski <pinskia@physics.uc.edu>
15092 partial PR tree-opt/17064
15093 * tree-ssa-structalias.c (intra_create_variable_infos):
15094 Create heap variables for incoming parameters if
15095 flag_argument_noalias > 1.
15096 (find_what_p_points_to): Look through default defs of
15099 2006-01-26 Jeff Law <law@redhat.com>
15102 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15103 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15104 within the VR_RANGE, use the VR_RANGE as the result, not the
15106 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15107 bounds for the type.
15109 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15111 * tree-ssa-alias.c (maybe_create_global_var): Change
15112 subvar walking to an assertion that we don't have subvar'd variables.
15114 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15117 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15118 Use a new variable, inner. PARM_DECLs are always non-weak.
15120 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15122 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15123 --disable-checking.
15125 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15127 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15129 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15131 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15132 (smax_insn, smin_insn, smax_0, smin_0): New.
15134 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15137 * config/cris/cris.c (cris_order_for_addsi3): New function.
15138 * config/cris/cris-protos.h: Prototype it.
15139 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15140 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15141 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15142 (split for "op.S1 [rx=rx+i],ry (swapped)")
15143 (split for "op(s|u).S1 [rx=rx+i],ry")
15144 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15145 Apply cris_order_for_addsi3 when generating addsi3 insns.
15147 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15149 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15150 (TREE_BLOCK): Add call to EXPR_CHECK.
15152 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15155 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15156 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15157 (dump_omp_clauses): ... here.
15158 (dump_generic_node): Handle OMP_CLAUSE.
15159 * tree.c (omp_clause_num_ops): New.
15160 (omp_clause_code_name): New.
15161 (tree_code_size): Handle OMP_CLAUSE.
15162 (tree_size): Likewise.
15163 (make_node): Document handling of OMP_CLAUSE.
15164 (tree_node_structure): Handle OMP_CLAUSE.
15165 (omp_clause_check_failed): New.
15166 (omp_clause_range_check_failed): New.
15167 (omp_clause_operand_check_failed): New.
15168 (build_omp_clause): New.
15169 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15170 * tree.h (enum omp_clause_code): Declare.
15171 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15172 (OMP_CLAUSE_RANGE_CHECK): Define.
15173 (OMP_CLAUSE_ELT_CHECK): Define.
15174 (omp_clause_check_failed): Declare.
15175 (omp_clause_operand_check_failed): Declare.
15176 (omp_clause_range_check_failed): Declare.
15177 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15178 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15179 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15180 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15181 (OMP_CLAUSE_IF_EXPR): Likewise.
15182 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15183 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15184 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15185 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15186 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15187 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15188 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15189 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15190 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15191 (OMP_CLAUSE_CODE): Define.
15192 (OMP_CLAUSE_SET_CODE): Define.
15193 (OMP_CLAUSE_CODE): Define.
15194 (OMP_CLAUSE_OPERAND): Define.
15195 (struct tree_omp_clause): Declare.
15196 (union tree_node): Add field 'omp_clause'.
15197 * treestruct.def (TS_OMP_CLAUSE): Define.
15198 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15199 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15200 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15201 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15202 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15203 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15204 (OMP_CLAUSE): Define.
15205 * print-tree.c (print_node): Handle OMP_CLAUSE.
15206 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15207 * c-typeck.c: Likewise.
15208 * gimplify.c: Likewise.
15209 * c-omp.c: Likewise.
15210 * tree-nested.c: Likewise.
15211 * tree-inline.c: Likewise.
15212 * c-parser.c: Likewise.
15213 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15216 2006-01-25 Roger Sayle <roger@eyesopen.com>
15218 PR rtl-optimization/25703
15219 * combine.c (try_combine): Handle zero_extract and strict_low_part
15220 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15222 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15224 * global.c: Fix comment typos.
15226 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15229 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15230 Use output_addr_const instead of assemble_name.
15232 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15234 * Makefile.in (sched-vis.o): Update dependencies.
15235 * haifa-sched.c (sched_finish): Clear current_sched_info.
15236 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15237 (dump_flow_info): Call it.
15238 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15240 * basic-block.h (dump_bb_info): Declare.
15241 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15242 option, and apply options only for dump files whose TDF_RTL,
15243 TDF_TREE, or TDF_IPA bits match.
15244 * rtl.h: Declare new functions exported from sched-vis.c.
15245 * sched-vis.c: Enable also if scheduling is not used.
15246 (print_value): Print the mode of registers if not inside scheduling.
15247 (print_insn): Make it work outside the scheduler. Beautify the output
15249 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15251 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15253 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15254 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15255 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15256 depending on the value of CONSTANT_POOL_ADDRESS_P.
15257 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15259 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15260 rather than SYMBOL_REF_DECL.
15261 (rtx_constant_pool): Remove const_rtx_sym_htab.
15262 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15263 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15264 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15265 Remove handling of const_rtx_sym_htab.
15266 (find_pool_constant): Delete.
15267 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15268 rather than find_pool_constant.
15269 (get_pool_constant_for_function): Delete.
15270 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15271 find_pool_constant.
15272 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15273 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15274 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15275 (SYMBOL_REF_CONSTANT): New macro.
15276 (get_pool_constant_for_function): Delete.
15277 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15278 rather than SYMBOL_REF_DECL.
15279 (i386_pe_mark_dllimport): Likewise.
15280 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15281 rather than SYMBOL_REF_DECL.
15282 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15283 (machopic_indirect_call_target): Likewise.
15285 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15287 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15289 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15291 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15293 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15295 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15297 2006-01-24 David Daney <ddaney@avtrex.com>
15300 * configure.ac (enable_tls): New enable option.
15301 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15302 * configure: Regenerate.
15303 * doc/install.texi (--enable-tls): Document new option.
15304 (--disable-tls): Ditto.
15306 2006-01-24 Richard Henderson <rth@redehat.com>
15308 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15309 * alias.c (true_dependence): Respect it.
15310 (canon_true_dependence, write_dependence_p): Likewise.
15311 * builtins.c (get_builtin_sync_mem): Set it.
15313 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15315 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15318 2006-01-24 DJ Delorie <dj@redhat.com>
15320 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15321 for storing constants in single-bit bitfields.
15323 2006-01-25 Ben Elliston <bje@au.ibm.com>
15325 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15327 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15330 * tree-ssa-pre.c (phi_translate): Return NULL
15331 for AGGREGATE_TYPE's.
15333 2006-01-24 Zack Weinberg <zackw@panix.com>
15335 * genautomata.c (process_state_for_insn_equiv_partition):
15336 Use xcalloc for insn_arcs_array.
15337 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15338 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15340 2006-01-24 Richard Henderson <rth@redhat.com>
15342 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15343 update all callers.
15345 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15347 PR rtl-optimization/25890
15348 PR rtl-optimization/25905
15349 * combine.c (expand_compound_operation, expand_field_assignment):
15350 Fail if the bitfield's final position is out of bounds.
15352 2006-01-24 Ian Lance Taylor <ian@airs.com>
15354 PR middle-end/25930
15355 * cgraphunit.c (cgraph_output_in_order): Don't clear
15356 cgraph_asm_nodes until after asm strings have been output.
15358 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15360 * fix-header.c (read_scan_file): Add new parameter imultilib when
15361 calling register_include_chains.
15363 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15365 * omp-low.c: Update documentation.
15367 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15368 Daniel Berlin <dberlin@dberlin.org>
15372 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15373 return from the function.
15375 2006-01-22 Zack Weinberg <zackw@panix.com>
15377 * rtl.def (match_code): Add second argument.
15378 * genpreds.c (write_extract_subexp): New function.
15379 (write_match_code): Add path argument. Use write_extract_subexp.
15380 (write_predicate_expr): Pass path to write_match_code.
15381 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15382 not perform a mode test.
15383 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15384 a subexpression does not constrain the top-level code set.
15385 * read-rtl.c (read_rtx_variadic): New function.
15386 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15387 * doc/md.texi: Document new notation.
15388 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15389 (cmpsi_operand): ... here, using new notation.
15391 2006-01-22 Zack Weinberg <zackw@panix.com>
15393 * varray.c: Remove GENERATOR_FILE #ifdefs.
15395 2006-01-22 Zack Weinberg <zackw@panix.com>
15397 * genautomata.c (output_reserved_units_table): Emit nothing if
15398 description->query_units_num is zero. Remove extra blank line.
15399 (output_cpu_unit_reservation_p): Short circuit
15400 if description->query_units_num is zero.
15402 2006-01-22 Zack Weinberg <zackw@panix.com>
15404 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15405 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15406 nor any of the random handful of variables that used to be necessary
15407 when this program was linked with rtlanal.o. Prune set of forward
15408 function declarations.
15409 (struct attr_desc): Remove static_p field.
15410 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15411 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15412 (attr_string): Do not read the character one past the length of
15414 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15415 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15416 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15417 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15418 (make_automaton_attrs): New.
15419 (main): Do not call into genautomata. Call local gen_bypass
15420 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15421 Remove special case for insn_alts.
15422 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15423 varray.h (leftover from previous change). Prune set of forward
15424 function declarations. Remove state_alts fields from all
15425 structures. Remove state_alts_table from struct automaton.
15426 Make everything except main static. Do not maintain num_dfa_decls.
15427 Do not maintain state_alts fields of various structures.
15428 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15429 (add_arc): Remove state_alts argument. All callers updated.
15430 (output_reserved_units_table): Emit #ifdef here...
15431 (output_tables): ...not here. Don't generate state_alts tables.
15432 (expand_automata): Don't generate attributes.
15433 (write_automata): Don't generate state_alts functions.
15434 (main): New function.
15435 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15436 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15437 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15438 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15439 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15440 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15441 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15442 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15444 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15445 * genattrtab.h: Delete file.
15446 * Makefile.in (OBJS-common): Add insn-automata.o.
15447 (insn-automata.o): New rule.
15448 (simple_generated_c): Add insn-automata.c.
15449 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15450 (genprogmd): Add automata.
15451 (build/genattrtab): Needs no extra objects nor libraries.
15452 (build/genautomata): Needs build/vec.o and -lm.
15454 2006-01-22 Zack Weinberg <zackw@panix.com>
15456 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15457 (output_dfa_max_issue_rate, locked_states_num): Delete.
15458 (struct automaton): Add locked_states field.
15459 (output_dead_lock_vect): Save number of locked states in
15460 automaton->locked_states. If it is zero, don't print anything.
15461 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15462 (output_internal_dead_lock_func): Only test the dead_lock_vect
15463 for automata that have locked states.
15464 (output_statistics): Always print the number of locked states for
15465 each automaton. Calculate total number of locked states here.
15466 (write_automata): Don't call output_dfa_max_issue_rate.
15467 * genattrtab.c: Define length_unit_log as a const variable.
15468 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15469 max_insn_queue_index const.
15470 * final.c (length_unit_log): Declare const.
15471 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15473 2006-01-22 Zack Weinberg <zackw@panix.com>
15475 * genautomata.c: Include vec.h, not varray.h.
15476 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15477 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15478 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15479 VEC_* macros operating on appropriately typed vectors, or to
15480 malloced arrays when the size is known in advance. Const-ify
15481 many char* variables and function arguments. No functional changes.
15482 * Makefile.in (build/varray.o): Delete rule.
15483 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15484 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15486 2006-01-22 Zack Weinberg <zackw@panix.com>
15488 * gensupport.c: Define get_insn_name and record_insn_name here.
15489 (read_md_rtx): Call record_insn_name as appropriate.
15490 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15491 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15492 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15494 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15495 (BUILD_VARRAY): Delete.
15496 (genprognormal): Rename genprogmd. Fold in all programs from
15497 genprognoprint; also attrtab.
15498 (build/genattrtab): Just mention genautomata.o and varray.o.
15499 Reorganize a bit, add comments to make the categories clearer.
15501 2006-01-22 Zack Weinberg <zackw@panix.com>
15503 * genconditions.c (condition_table, add_condition): Delete.
15504 (write_conditions): Don't emit n_insn_conditions nor
15505 insn_elision_unavailable. Issue the gcc version #ifdef here,
15506 inside the table, with no #else clause ...
15507 (write_header): ...not here.
15508 (write_writer): New function.
15509 (main): Don't initialize condition_table. Use add_c_test.
15511 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15512 files on the command line.
15513 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15514 Return -1 if there is no entry in the table, don't abort.
15515 (add_c_test, traverse_c_tests): New functions.
15516 * gensupport.h (insn_elision_unavailable, insn_conditions)
15517 (n_insn_conditions): Delete declarations.
15518 (add_c_test, traverse_c_tests): Declare.
15519 * read-rtl.c: Include gensupport.h.
15520 (read_conditions): New function.
15521 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15522 (read_rtx_1): If we get EOF when we were looking for an initial
15523 open paren, return 0. Call read_conditions when appropriate.
15524 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15525 dummy-conditions.o. Eliminate references to insn-conditions.o,
15526 or change them to build/gencondmd.o, as appropriate. Remove
15527 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15528 from $(simple_generated_c). For all files remaining in those
15529 two lists, add insn-conditions.md to the generator command line.
15530 Give insn-constants.h/s-constants their own rules. Add rules
15531 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15532 (build/read-rtl.o): Depend on gensupport.h.
15533 (genprognormal): Include preds.
15534 (genprogearly): Rename genprognoprint; only difference is now that
15535 they don't link with $(BUILD_PRINT).
15536 * dummy-conditions.c: Delete.
15538 2006-01-22 Zack Weinberg <zackw@panix.com>
15540 * genextract.c: Don't include insn-config.h. Do include vec.h.
15541 Declare vectors of int, char, and locstr.
15542 (locstr): New typedef.
15543 (struct extraction): Make all array fields into bare pointers.
15544 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15545 (insn_code_number): Delete.
15546 (accum_extract): New struct.
15547 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15548 (gen_insn): Take insn_code_number as an argument. Use an
15549 accum_extract structure instead of loading data directly into
15550 a struct extraction, and having to know how big it might get.
15551 (walk_rtx): Operate entirely on an accum_extract structure.
15552 (print_path): Avoid unnecessary use of printf.
15553 (print_header): New function, split out of main. Distinguish
15554 more carefully between an unrecognizable insn and an insn that
15555 has the code number of a define_expand.
15556 (main): Pass insn_code_number to gen_insn. Call print_header
15557 only after parsing. Avoid unnecessary use of printf.
15558 * Makefile.in (build/vec.o): New rule.
15559 (build/genextract): Depend on build/vec.o.
15560 (build/genextract.o): Don't depend on insn-config.h.
15562 2006-01-22 Zack Weinberg <zackw@panix.com>
15564 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15565 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15566 practical. Eliminate per-generator-program link rules.
15568 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15570 PR middle-end/24437
15571 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15572 with a call expr to ...
15573 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15575 2006-01-23 Richard Guenther <rguenther@suse.de>
15577 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15578 before make_edge with conditional EDGE_TRUE_VALUE.
15580 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15581 Jan Hubicka <jh@suse.cz>
15582 Richard Guenther <rguenther@suse.de>
15584 PR rtl-optimization/25654
15585 * cfgexpand.c (aggregate_contains_union_type): New function.
15586 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15587 for structure variables that contain a union type.
15589 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15591 * gengtype.c (new_structure): Return the structure.
15592 (create_option): Add an extra "next" argument.
15593 (create_field): New function.
15594 (adjust_field_rtx_def): Use create_option and create_field.
15595 Remove a now-unnecessary call to find_structure.
15596 (adjust_field_tree_def): Likewise.
15597 (note_yacc_type): Remove an unnecessary call to find_structure.
15598 * gengtype.h (new_structure): Return the structure.
15599 (create_option): Add an extra argument.
15600 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15601 (option): Adjust calls to create_option.
15603 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15605 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15607 2006-01-22 Paul Brook <paul@codesourcery.com>
15608 Peter Barada <peter@the-baradas.com>
15610 * config/m68k/m68k.md: Add Coldfire FPU support.
15611 Define FP mode macro and associated attributes.
15612 Use it for float mode patterns.
15613 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15614 (LIBCALL_VALUE): Use m68k_libcall_value.
15615 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15616 (m68k_function_value): Ditto.
15617 (emit_move_sequence): Ditto.
15618 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15619 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15620 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15621 (MULTILIB_EXCEPTIONS): Ditto.
15622 * config/m68k/m68k.opt: Add mcfv4e.
15623 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15624 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15625 (m68k_output_function_prologue): Save ColdFire FPU registers.
15626 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15627 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15628 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15629 ColdFire FPU registers.
15630 (m68k_libcall_value, m68k_function_value): New functions.
15631 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15632 (LIBCALL_VALUE): Use m68k_libcall_value.
15633 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15634 (MASK_COLDFIRE): Add MASK_CFV4E.
15635 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15636 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15637 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15638 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15639 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15640 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15641 * doc/invoke.tex: Document -mcfv4e on m68k.
15643 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15645 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15648 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15651 * c-opts.c (c_common_handle_option): Don't include
15652 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15653 * doc/invoke.texi (C++ Dialect Options): Document that
15654 -Wnon-virtual-dtor is no longer included in -Wall.
15656 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15658 * gcov.c (print_version), gcov-dump.c (print_version),
15659 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15662 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15664 * df-scan.c (problem_SCAN): Added NULL reset function.
15665 (df_scan_reset_blocks): Added code to call reset block function
15666 (df_bb_refs_delete) Fixed comment.
15667 (df_insn_refs_delete): Made tolerant of deleting non existent info
15668 for dataflow problems that need to be reset.
15669 * df-core.c (df_set_blocks): Ditto.
15670 * df.h (struct df_problem): Added reset_fun.
15671 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15672 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15673 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15674 functions to clear out all references to def-use or use-def chains.
15676 2006-01-21 Ben Elliston <bje@au.ibm.com>
15678 * varasm.c (assemble_real): Initialise data array.
15680 2006-01-20 Paul Brook <paul@codesourcery.com>
15682 Merge from csl-arm-branch.
15683 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15684 * config/arm/arm.md (movdi): Force operands[1] to a register
15685 if we have a non-register source.
15686 (*arm_movdi, *movdf_soft_insn): Require that one of the
15687 operands be a register.
15688 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15689 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15691 2006-01-20 DJ Delorie <dj@redhat.com>
15693 * varasm.c (initializer_constant_valid_p): Allow pointers
15694 initialized from integer constants of lesser precision.
15695 (output_constant): Allow non-int-sized pointer modes to be
15696 initialized from integer constants.
15698 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15701 * cppdefault.h (struct default_include): Add multilib flag.
15702 * cppdefault.c (cpp_include_defaults): Set it.
15703 * c.opt (-imultilib): New option.
15704 * c-opts.c (imultilib): New.
15705 (c_common_handle_option): Handle -imultilib.
15706 (c_common_post_options): Likewise.
15707 * c-incpath.c (add_standard_paths, register_include_chains):
15709 * c-incpath.h (register_include_chains): Add extra parameter.
15710 * gcc.c (do_spec_1): Generate -imultilib option.
15711 (The Specs Language): Update %I description.
15712 (process_command): Update copyright notice.
15713 * doc/cppopts.texi (-imultilib): Document.
15714 * doc/invoke.texi (-imultilib): Include in option summary.
15715 (%I): Update specs documentation.
15717 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15719 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15721 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15723 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15726 2006-01-20 Richard Guenther <rguenther@suse.de>
15727 Steven Bosscher <stevenb.gcc@gmail.com>
15729 PR rtl-optimization/24626
15730 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15731 EDGE_TRUE_VALUE if in RTL mode.
15734 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15735 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15737 2006-01-20 Dirk Mueller <dmueller@suse.com>
15740 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15741 instead of a special NOP marker.
15742 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15743 NOP marker handling.
15744 * c-common.h (empty_body_warning): Add forward declaration.
15745 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15746 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15748 2006-01-20 Paul Brook <paul@codesourcery.com>
15750 * Makefile.in (lang_checks): Keep going if mkdir fails.
15752 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15754 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15755 be able to clean out basic block when not necessary.
15756 (df_scan_free): Fixed to properly delete information if df is
15757 unused before calling df_finish.
15758 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15759 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15761 (df_bb_refs_delete): New function.
15762 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15763 * df-core.c (df_set_blocks): Added code to properly clean out
15764 unused blocks if they are not part of the blocks to consider.
15765 Added additional null check.
15766 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15767 be able to clean out basic block when not necessary
15768 * df.h (df_free_bb_function): Ditto.
15769 (df_bb_refs_delete): New function.
15770 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15771 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15772 basic block parameter to be able to clean out basic block when not
15774 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15775 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15776 Fixed to properly delete information if df is unused before
15779 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15781 PR rtl-optimization/25799
15782 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15783 Corrected confluence operator to remove bits from op2 before oring
15784 with op1 rather than removing bits from op1.
15785 (df_ru_transfer_function): Corrected test on wrong bitmap which
15786 caused infinite loop. Both of these problems were introduced in
15787 the dataflow rewrite.
15789 2006-01-19 DJ Delorie <dj@redhat.com>
15791 * reload1.c (find_reload_regs): Note the details of reload
15792 failures in the dump file.
15793 (spill_failure): Likewise.
15795 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15797 * loop-iv.c: Include df.h and hashtab.h.
15798 (enum iv_grd_result): New enum.
15799 (DF_REF_IV, DF_REF_IV_SET): New macros.
15800 (struct biv_entry): New.
15801 (df, bivs): New global variables.
15802 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15803 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15805 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15806 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15807 analyzed_for_bivness_p, record_biv): New functions.
15808 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15809 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15810 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15812 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15814 (iv_number_of_iterations): Use new interface to iv analysis.
15815 * loop-unroll.c: Do not include varray.h.
15816 (analyze_iv_to_split_insn): Use new interface to iv
15818 * loop-unswitch.c (may_unswitch_on): Ditto.
15819 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15821 (df_bb_modify): Realloc tables to the new index.
15822 (df_find_use): New function.
15823 * df.h (df_find_use): Declare.
15824 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15826 * cfgloop.h (struct rtx_iv): Remove analysed field.
15827 (iv_get_reaching_def): Removed.
15828 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15829 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15830 (loop-iv.o): Add df.h and hashtab.h dependency.
15831 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15833 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15836 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15838 (__floatundisf, __floatundidf): Likewise.
15839 * libgcc2.h (IS_IBM_EXTENDED): Define.
15841 2006-01-19 DJ Delorie <dj@redhat.com>
15843 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15845 2006-01-19 Paul Brook <paul@codesourcery.com>
15847 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15848 as nothrow when unwinding tables are disabled.
15850 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15853 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15854 of bit-field" when in system header.
15856 2006-01-19 DJ Delorie <dj@redhat.com>
15858 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15859 the 16 bit shift limit of the m16c.
15861 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15864 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15865 * config/i386/i386.c (output_set_got): Output the label if we have one
15866 for the TARGET_DEEP_BRANCH_PREDICTION case.
15868 2006-01-19 Jan Hubicka <jh@suse.cz>
15869 H.J. Lu <hongjiu.lu@intel.com>
15870 Evandro Menezes <evandro.menezes@amd.com>
15872 * invoke.texi (generic): Document
15874 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15875 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15876 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15877 (x86_use_incdec, x86_pad_returns): New variables
15878 (TARGET_CPU_DEFAULT_generic): New constant
15879 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15880 (enum processor_type): Add generic32 and generic64.
15881 * i386.md (cpu attribute): Add generic32/generic64
15882 (movhi splitter): Behave sanely when both partial_reg_dependency and
15883 partial_reg_stall are set.
15884 (K8 splitters): Enable for generic as well.
15885 * predicates.md (incdec_operand): Use TARGET_INCDEC
15886 (aligned_operand): Avoid memory mismatch stalls.
15887 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15888 * ppro.md: Enable for generic32
15889 * i386.c (generic64_cost, generic32_cost): New.
15890 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15891 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15892 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15893 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15894 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15895 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15896 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15897 x86_accumulate_outgoing_args, x86_prologue_using_move,
15898 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15899 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15900 Enable for generic.
15901 (x86_use_incdec, x86_pad_returns): New.
15902 (override_options): Add generic32 and generic64, translate "generic"
15903 to generic32/generic64 and "i686" to "generic32", refuse
15904 "generic32"/"generic64" as arch target.
15905 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15906 (ix86_reorg): Honor PAD_RETURNS.
15908 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15910 * tree-pretty-print.c (dump_generic_node): Handle
15911 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15912 * cgraph.c (cgraph_expand_queue): Rename from
15913 cgraph_analyze_queue. Update all users.
15914 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15915 cgraph_expand_queue.
15916 (cgraph_expand_all_functions): Likewise.
15917 (cgraph_finalize_pending_functions): Remove. Update callers.
15919 * tree.h (OMP_DIRECTIVE_P): Define.
15920 (OMP_PARALLEL_FN): Define.
15921 (OMP_PARALLEL_DATA_ARG): Define.
15922 (OMP_SECTIONS_SECTIONS): Define.
15923 * tree-pass.h (pass_expand_omp): Declare.
15924 * omp-low.c (struct omp_region): Declare.
15925 (struct omp_context): Remove fields 'parallel_type',
15926 'parallel_start_ix' and 'parallel_start_additional_args'.
15928 (struct omp_for_data): Rename from struct expand_omp_for_data.
15929 (omp_regions): New static variable.
15930 (root_omp_region): New static variable.
15931 (find_omp_clause): Make static.
15932 (is_in_combined_parallel_ctx): Remove.
15933 (is_combined_parallel): New.
15934 (extract_omp_for_data): Move earlier in the file.
15935 (workshare_safe_to_combine_p): New.
15936 (get_ws_args_for): New.
15937 (determine_parallel_type): Move earlier in the file.
15938 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15940 (omp_copy_decl): Likewise.
15941 (create_omp_child_function): Likewise.
15942 (lookup_omp_region): New.
15943 (dump_omp_region): New.
15944 (debug_omp_region): New.
15945 (debug_all_omp_regions): New.
15946 (new_omp_region): New.
15947 (scan_omp_parallel): If parallel_nesting_level > 1, the
15948 directive is nested within another parallel directive.
15949 Set OMP_PARALLEL_FN.
15950 (scan_omp_for): Do not try to handle combined parallel+for
15952 Remove FIXME comment.
15953 (scan_omp_nested): Remove.
15954 (scan_omp_1): Do not call scan_omp_nested when
15955 parallel_nesting_level is > 1.
15956 Do not change the DECL_CONTEXT of local variables found.
15957 (lookup_decl_in_outer_ctx): New.
15958 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15959 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15960 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15961 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15962 If CTX is nested, lookup VAR in the outer context when
15963 building copy assignment.
15964 (lower_send_clauses): Rename from expand_send_clauses.
15965 If CTX is nested, lookup VAR in the outer context when
15966 building copy assignments.
15967 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15968 If CTX is nested, lookup VAR in the outer context when
15969 building copy assignments.
15970 (expand_parallel_call): Rename from build_parallel_call.
15971 Handle combined parallel+workshare cases.
15972 Re-implement to emit code into the CFG.
15974 (expand_omp_parallel): Re-implement to emit code into the CFG.
15975 Call move_sese_region_to_fn to outline the sub-graph
15976 containing the parallel region.
15977 (expand_omp_for_1): Remove.
15978 (expand_omp_for_generic): Re-implement to emit code into the
15980 (expand_omp_for_static_nochunk): Likewise.
15981 (expand_omp_for_static_chunk): Likewise.
15982 (expand_omp_for): Likewise.
15983 (expand_omp_sections): Likewise.
15984 (remove_exit_barriers): New.
15985 (expand_omp_synch): New.
15987 (build_omp_regions_1): New.
15988 (build_omp_regions): New.
15989 (execute_expand_omp): New.
15990 (gate_expand_omp): New.
15991 (pass_expand_omp): Define.
15992 (lower_omp_sections): Rename from expand_omp_sections.
15993 Set OMP_SECTIONS_SECTIONS.
15994 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15995 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15996 (lower_omp_single): Rename from expand_omp_simple.
15997 (lower_omp_master): Rename from expand_omp_master.
15998 (lower_omp_ordered): Rename from expand_omp_ordered.
15999 (lower_omp_critical): Rename from expand_omp_critical.
16000 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16001 (lower_omp_for): Re-implement.
16002 (lower_omp_parallel): Re-implement.
16003 (lower_regimplify): Rename from expand_regimplify.
16004 (lower_omp_1): Rename from expand_omp_1.
16005 If there are syntax errors in the program, replace every
16006 OpenMP directive with NOP.
16007 Call lower_omp_* instead of expand_omp_*.
16008 (lower_omp): Rename from expand_omp.
16010 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16011 * tree-gimple.h (enum omp_parallel_type): Remove.
16012 (gimple_boolify): Declare extern.
16013 (find_omp_clause, determine_parallel_type): Remove.
16015 * gimple-low.c (lower_omp_directive): New.
16016 (lower_stmt): Call it.
16017 (record_vars_into): Move from ...
16018 (record_vars): ... here.
16019 Call record_vars_into with current_function_decl.
16021 * gimplify.c (struct gimplify_ctx): Remove fields
16022 combined_pre_p and combined_ctxp. Update users.
16023 (get_formal_tmp_var): Add documentation.
16024 (gimple_boolify): Make extern.
16025 (gimplify_expr_in_ctx): Remove. Update callers.
16026 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16027 will always be a BIND_EXPR.
16028 (gimplify_expr): Handle OMP_RETURN_EXPR.
16029 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16030 (OMP_PARALLEL): Add 3 operands.
16031 (OMP_SECTIONS): Add 1 operand.
16032 (OMP_RETURN_EXPR): Define.
16034 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16035 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16036 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16037 creating a circular free list.
16038 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16040 * tree-flow.h (move_sese_region_to_fn): Declare.
16041 (record_vars_into): Declare.
16042 * tree-cfg.c (make_omp_sections_edges): New.
16043 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16044 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16045 OMP_SECTIONS and OMP_SECTION.
16046 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16047 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16048 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16049 (gather_blocks_in_sese_region): New.
16050 (struct move_stmt_d): Declare.
16051 (move_stmt_r): New.
16052 (move_block_to_fn): New.
16053 (move_sese_region_to_fn): New.
16055 * passes.c (init_optimization_passes): Schedule
16056 pass_expand_omp after pass_init_datastructures.
16058 * tree-ssa-operands.c (get_expr_operands): Handle
16059 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16060 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16062 2006-01-19 Jeff Law <law@redhat.com>
16064 * tree-vrp.c (extract_range_from_assert): Refine the result range
16065 if the variable referenced by the ASSERT_EXPR has a range and
16066 either the tentative result range or the previous range is a
16069 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16071 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16073 2006-01-19 Jan Hubicka <jh@suse.cz>
16075 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16077 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16079 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16080 (expand_compound_operation, expand_field_assignment): Fail if the
16081 bit lengths of an extract operation are out of range.
16082 (make_extraction): Compute wanted_inner_mode based on the position
16083 and length of the extraction. Make it extraction_mode for non-constant
16084 positions, and do not modify offset in that case. When generating a
16085 new MEM, use a mode that can hold the extraction while keeping correct
16086 alignment. Remove code that supported MEMs wrapped by USEs.
16087 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16089 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16091 * config/s390/s390.md ("Y", "y"): New mode attribute.
16092 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16093 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16094 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16095 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16096 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16097 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16098 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16099 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16100 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16101 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16102 "addsi3", "subsi3"): Insn patterns removed.
16103 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16104 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16105 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16106 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16107 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16108 "*sub<mode>3_cconly2"): New insn patterns.
16109 ("addsi3", "subsi3"): New expanders.
16111 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16113 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16114 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16115 existing STMT_VINFO_VECTYPE if available.
16116 (vect_mark_relevant): Add special handling for stmts that are
16117 marked as STMT_VINFO_IN_PATTERN_P.
16118 (vect_analyze_loop): Call vect_pattern_recog.
16119 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16120 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16122 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16123 (vect_recog_func_ptr): New function-pointer type.
16124 * tree-vect-patterns.c: New file.
16125 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16126 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16127 (vect_pattern_recog_1): New functions.
16128 (vect_pattern_recog_funcs): New array of function pointers.
16130 * tree-vectorizer.h (ternary_op): New enum value.
16131 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16132 declaration. Revised documentation. Removed redundant dump prints.
16133 Removed redundant argument. Added support for reduction patterns.
16134 (vectorizable_reduction): Added support for reduction patterns.
16135 (vect_transform_stmt): Added support for patterns.
16137 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16138 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16139 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16140 (expand_widen_pattern_expr): New function.
16141 (init_optabs): Initialize new optabs udot_prod_optab,
16143 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16144 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16145 (expand_widen_pattern_expr): New function declaration.
16146 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16148 * tree-inline.c (estimate_num_insns_1): Added cases for new
16149 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16150 * tree-pretty-print.c (dump_generic_node): Likewise.
16151 (op_prio): Likewise.
16152 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16153 * tree-ssa-operands.c (get_expr_operands): Added case for
16155 * tree-vect-patterns.c (widened_name_p): New function.
16156 (vect_recog_dot_prod_pattern): Added function implementation.
16157 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16158 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16159 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16160 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16162 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16163 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16164 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16165 (init_optabs): Initialize new optabs widen_ssum_optab,
16167 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16168 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16169 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16170 use instead of type of def.
16171 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16172 function implementation.
16173 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16174 widen_ssumv8hi): New.
16176 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16179 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16182 * c-decl.c (add_flexible_array_elts_to_size): New function.
16183 (finish_decl): Use it.
16185 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16187 * diagnostic.h: Include options.h.
16188 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16189 dependancies for diagnostic.h.
16190 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16192 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16194 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16195 (ssa_ro_call_cache_valid): Ditto.
16196 * tree-ssa-alias.c (sort_tags_by_id): New function.
16197 (init_transitive_clobber_worklist): Ditto.
16198 (add_to_worklist): Ditto.
16199 (mark_aliases_call_clobbered): Ditto.
16200 (compute_tag_properties): Ditto.
16201 (set_initial_properties): Ditto.
16202 (compute_call_clobbered): Ditto.
16203 (compute_may_aliases): Call compute_call_clobbered and grouping.
16204 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16205 (compute_flow_insensitive_aliasing): Grouping now happens in our
16207 (setup_pointers_and_addressables): Remove clobbering related code.
16208 (add_may_alias): Ditto.
16209 (replace_may_alias): Ditto.
16210 (get_nmt_for): Ditto.
16211 (create_global_var):
16212 (is_escape_site): Return an escape_type enumeration.
16213 * tree-flow-inline.h (is_call_clobbered): Global var does not
16214 imply call clobbered.
16215 (mark_call_clobbered): Take a reason for marking this. Remove
16216 marking of globalness, and cache invalidation.
16217 (clear_call_clobbered): Remove cache invalidation code.
16218 * tree-dfa.c (dump_variable): If details is on, dump the reason
16220 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16222 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16223 (struct var_ann_d): Ditto.
16224 (enum escape_type): New.
16225 (mark_call_clobbered): Adjust prototype.
16226 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16227 are never call clobbered.
16228 Record reasons for escaping.
16229 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16230 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16231 (ssa_ro_call_cache_valid): Ditto.
16232 (clobbered_v_may_defs): Ditto.
16233 (clobbered_vuses): Ditto.
16234 (ro_call_vuses): Ditto.
16235 (clobber_stats): New.
16236 (init_ssa_operands): Zero out clobber stats.
16237 (fini_ssa_operands): Print out clobber stats.
16238 (get_call_expr_operands): Pass callee fndecl to
16239 add_call_read_ops).
16240 (add_call_clobber_ops): Remove use of cache.
16241 Add use of PURE_CONST information.
16242 (add_call_read_ops): Remove use of cache.
16243 Add use of static not_read information.
16245 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16247 Introduce TLS descriptors for i386 and x86_64.
16248 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16249 (TARGET_ANY_GNU_TLS): New macro.
16250 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16251 (struct machine_function): Add tls_descriptor_call_expanded_p.
16252 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16253 (ix86_current_function_calls_tls_descriptor): Likewise.
16254 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16255 (override_options): Introduce gnu2 tls dialect.
16256 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16258 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16260 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16261 (ix86_init_machine_status): Initialize new field.
16262 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16263 (ix86_tls_module_base): New.
16264 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16265 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16266 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16267 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16268 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16269 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16270 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16271 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16272 * config/i386/predicates.md (tls_modbase_operand): New.
16273 (tp_or_register_operand): New.
16275 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16277 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16278 (look_for_address_of): Ditto.
16279 (ipa_init): Walk the function decls.
16280 (static_execute): Don't set readonly on FUNCTION_DECL's.
16282 2006-01-18 Roger Sayle <roger@eyesopen.com>
16284 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16285 for shifts where the source and destination registers are different.
16287 2006-01-18 Paul Brook <paul@codesourcery.com>
16289 Merge from csl-arm-branch.
16290 2005-03-14 Julian Brown <julian@codesourcery.com>
16291 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16292 (aeabi_llsl): Likewise.
16293 (ashrdi3): Likewise.
16294 (aeabi_lasr): Likewise.
16295 (lshrdi3): Likewise.
16296 (aeabi_llsr): Likewise.
16297 2005-03-10 Julian Brown <julian@codesourcery.com>
16298 * config.gcc: Disable shared libgcc for SymbianOS.
16299 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16301 2006-01-18 DJ Delorie <dj@redhat.com>
16303 * c-pragma.c (handle_pragma_diagnostic): New.
16304 (init_pragma): Register it.
16305 * doc/extend.texi: Document it.
16307 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16308 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16309 (diagnostic_context): Add classify_diagnostic[].
16310 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16311 as errors if they're overridden to DK_WARNING.
16312 (diagnostic_initialize): Initialize classify_diagnostic[].
16313 (diagnostic_set_kind_override): New.
16314 (diagnostic_report_diagnostic): Check for kind changes.
16315 * opts.c (common_handle_option): Take lang_mask. Update callers.
16316 Handle OPT_Werror_.
16317 * common.opt (Werror=): New.
16318 * doc/invoke.texi: Document -Werror=*
16320 2006-01-18 Jeff Law <law@redhat.com>
16322 * tree-vrp.c (test_for_singularity): Correct test for new
16323 min limit. Use operand_equal_p rather than pointer equality
16324 for testing if new min/max values are equal.
16326 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16327 using range information until after propagation and folding.
16329 2006-01-18 Richard Henderson <rth@redhat.com>
16330 Aldy Hernandez <aldyh@redhat.com>
16331 Jakub Jelinek <jakub@redhat.com>
16332 Diego Novillo <dnovillo@redhat.com>
16334 * omp-low.c: New file.
16335 * c-omp.c: New file.
16337 2006-01-18 Richard Henderson <rth@redhat.com>
16338 Jakub Jelinek <jakub@redhat.com>
16339 Diego Novillo <dnovillo@redhat.com>
16341 * doc/invoke.texi: Document -fopenmp.
16342 * tree-dump.h (debug_function): Declare.
16343 * hooks.c (hook_bool_tree_bool_false): New function.
16344 (hook_tree_tree_null): Remove.
16345 (hook_tree_tree_tree_null): New.
16346 * hooks.h: Update to match.
16347 * tree-pretty-print.c (debug_tree_chain): New.
16348 (print_generic_expr): Handle TDF_CHAIN.
16349 (dump_generic_node): Handle BLOCK.
16350 Do not abort with incomplete SWITCH_EXPRs.
16351 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16352 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16353 print space after directive name.
16354 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16355 Handle OMP_MASTER and OMP_ORDERED.
16356 Handle printing of OMP_BODY just in one place, goto
16357 dump_omp_body in the rest of OMP_* nodes that have
16359 Don't handle clause nodes here. Update omp statements to
16360 use dump_omp_clauses.
16361 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16362 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16363 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16364 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16365 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16366 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16367 Adjust output for GOMP_PARALLEL.
16368 (dump_omp_clauses): New.
16369 (print_declaration): Dump DECL_VALUE_EXPR.
16370 (op_symbol_1): Split out of op_symbol.
16371 (dumping_stmts): Remove. Update all users.
16372 * cgraph.c (cgraph_analyze_queue): New.
16373 (cgraph_add_new_function): New.
16374 * cgraph.h (cgraph_analyze_queue): Declare.
16375 (cgraph_add_new_function): Declare.
16376 (cgraph_lower_function): Remove.
16377 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16378 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16379 and TYPE_P nodes in its default clause.
16380 (empty_body_p): New.
16381 (tree_range_check_failed): New.
16382 (build5_stat): New.
16383 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16384 OMP_CLAUSE_REDUCTION_MERGE,
16385 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16386 OMP_CLAUSE_PRIVATE_DEBUG,
16387 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16388 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16389 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16390 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16391 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16392 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16393 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16394 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16395 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16396 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16397 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16398 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16399 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16400 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16401 (TREE_RANGE_CHECK): New.
16402 (empty_body_p): Declare.
16403 (enum omp_clause_default_kind): New.
16404 (build_string_literal): Declare.
16405 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16406 (build5_stat, build5): Declare.
16407 * tree-pass.h (TDF_CHAIN): Define.
16408 * tree-pass.h (PROP_gimple_lomp): Define.
16409 (pass_lower_omp): Declare.
16410 * diagnostic.h (debug_tree_chain): Declare.
16411 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16413 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16414 * builtins.c (build_string_literal): Make extern.
16415 * gcc.c (include_spec_function): New.
16416 (static_spec_functions): Add it.
16417 (main): Move load of libgomp.spec ...
16418 (LINK_COMMAND_SPEC): ... here.
16419 (link_gomp_spec): New.
16420 (static_specs): Include it.
16421 (LINK_COMMAND_SPEC): Add link_gomp.
16422 (GOMP_SELF_SPECS): New.
16423 (driver_self_specs): Include it.
16424 (switch_matches): Don't mark inline.
16425 (main): Load libgomp.spec.
16426 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16427 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16428 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16429 * tree-gimple.h (enum omp_parallel): Declare.
16430 (determine_parallel_type): Declare.
16431 (omp_firstprivatize_variable): Declare.
16432 (omp_reduction_init): Declare.
16433 (diagnose_omp_structured_block_errors): Declare.
16434 (struct walk_stmt_info): Add want_return_expr.
16435 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16436 (find_omp_clause): Declare.
16437 (insert_field_into_struct): Declare.
16438 (struct walk_stmt_info): Move from tree-nested.c
16439 (walk_stmts): Declare.
16440 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16442 * cgraphunit.c (cgraph_lower_function): Make static.
16443 (cgraph_finalize_pending_functions): New.
16444 (cgraph_finalize_function): Call it.
16445 (cgraph_finalize_compilation_unit): Likewise.
16446 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16447 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16448 (BT_FN_UINT_UINT): New.
16449 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16450 DEF_FUNCTION_TYPE_VAR_4): Document.
16451 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16452 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16453 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16454 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16455 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16456 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16457 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16458 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16459 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16460 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16461 into separate files.
16462 (DEF_GOMP_BUILTIN): New.
16463 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16464 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16465 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16466 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16467 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16468 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16469 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16470 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16471 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16472 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16473 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16474 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16475 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16476 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16477 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16478 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16479 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16480 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16481 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16482 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16483 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16484 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16485 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16486 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16487 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16488 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16489 * sync-builtins.def: New file, moved from builtins.def.
16490 * omp-builtins.def: New file, moved from builtins.def.
16491 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16492 * gimple-low.c (lower_function_body): Clear data.
16493 (lower_stmt): Do not handle COMPOUND_EXPR.
16494 Remove call to print_node_brief.
16495 * c-tree.h (c_finish_omp_clauses): New prototype.
16496 (C_DECL_THREADPRIVATE_P): Define.
16497 (lookup_name_no_remap, c_omp_remap_private): Remove
16498 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16499 (check_for_loop_decls): Update decl.
16500 (lookup_name_no_remap, c_omp_remap_private): Declare.
16501 (build_indirect_ref, build_modify_expr, pushdecl,
16502 pushdecl_top_level): Move to c-common.h.
16503 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16504 before the switch, but just in the 2 places that need it.
16505 * c-decl.c (diagnose_mismatched_decls): Do not check for
16506 mismatched thread-local attributes when OLDDECL is marked
16507 threadprivate and NEWDECL has no thread-local attributes.
16508 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16509 (c_gimple_diagnostics_recursively): Rename from
16510 c_warn_unused_result_recursively. Invoke
16511 diagnose_omp_structured_block_errors.
16512 (check_for_loop_decls): Return a singular decl found.
16513 * langhooks.c (lhd_omp_predetermined_sharing): Return
16514 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16515 (lhd_omp_firstprivatize_type_sizes): New.
16516 (lhd_omp_assignment): New.
16517 (lhd_omp_predetermined_sharing): New.
16518 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16519 (struct lang_hooks_for_types): Add
16520 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16521 omp_predetermined_sharing, omp_disregard_value_expr,
16522 omp_private_debug_clause, omp_clause_default_ctor,
16523 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16524 (c_finish_omp_clauses): New.
16525 (c_finish_bc_stmt): Diagnose break within omp for.
16526 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16527 (build_unary_op): Return error_mark after reporting
16529 (build_modify_expr): Likewise.
16530 * gimplify.c: Include optabs.h and pointer-set.h.
16531 (enum gimplify_omp_var_data): Declare.
16532 (struct gimplify_omp_ctx): Declare.
16533 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16535 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16536 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16537 (splay_tree_compare_decl_uid): New.
16538 (new_omp_context): New.
16539 (delete_omp_context): New.
16540 (gimple_add_tmp_var): Call omp_add_variable.
16541 (gimplify_bind_expr): Likewise.
16542 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16543 true, disregard DECL_VALUE_EXPR on the decl if any.
16544 (gimplify_expr_in_ctx): New.
16545 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16546 omp_add_variable, omp_notice_variable, omp_is_private
16547 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16548 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16549 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16550 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16551 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16552 gimplify_omp_atomic): New.
16553 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16554 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16555 OMP_CRITICAL and OMP_ATOMIC.
16556 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16557 * c-pragma.h (enum pragma_kind): Add
16558 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16559 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16560 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16561 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16562 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16563 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16564 PRAGMA_OMP_THREADPRIVATE.
16565 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16566 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16567 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16568 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16569 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16570 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16571 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16572 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16573 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16574 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16575 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16576 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16577 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16579 (struct nesting_info): Add field_map,
16580 suppress_expansion, debug_var_chain.
16581 (create_nesting_tree): Initialize them.
16582 (lookup_field_for_decl): Use field_map.
16583 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16584 (convert_local_omp_clauses): New.
16585 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16586 (walk_body): Split out of walk_function.
16587 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16588 (convert_nonlocal_reference): Handle omp statements.
16589 (convert_local_reference): Likewise.
16590 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16591 (unnest_nesting_tree): New.
16592 (lower_nested_functions): Call it.
16593 (insert_field_into_struct): Make extern.
16594 (struct walk_stmt_info): Move to tree-gimple.h.
16595 (walk_stmts): Make extern.
16596 * omp-builtins.def: New file.
16597 * tree-iterator.c (expr_only): Clarify comment.
16598 * c-common.h (pushdecl_top_level, pushdecl,
16599 build_modify_expr, build_indirect_ref,
16600 c_finish_omp_master, c_finish_omp_critical,
16601 c_finish_omp_ordered, c_finish_omp_barrier,
16602 c_finish_omp_atomic, c_finish_omp_flush,
16603 c_finish_omp_for, c_split_parallel_clauses,
16604 omp_clause_default_kind, c_omp_sharing_predetermined,
16605 c_omp_remap_decl): Declare.
16606 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16607 (OBJS-common): Add omp-low.o.
16608 (c-omp.o, omp-low.o): Add.
16609 (gimplify.o): Add dependency on $(OPTABS_H).
16610 (GTFILES): Add omp-low.c.
16611 (gt-stringpool.h): Add.
16612 * tree-cfg.c (set_bb_for_stmt): Do not update the
16613 block-to-labels map if we are currently expanding to RTL.
16614 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16616 Handle IDENTIFIER_NODE.
16617 (tree_verify_flow_info): Do not ICE when emitting error
16618 messages about invalid labels.
16619 (dump_function_to_file): Reset CFUN before emitting the body
16621 (debug_function): New.
16622 * passes.c (init_optimization_passes): Schedule
16624 * langhooks-def.h (lhd_omp_predetermined_sharing,
16625 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16627 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16628 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16629 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16630 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16631 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16632 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16633 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16634 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16635 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16636 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16637 (LANG_HOOK_DECLS): Use them.
16639 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16640 Richard Henderson <rth@redhat.com>
16641 Jakub Jelinek <jakub@redhat.com>
16642 Diego Novillo <dnovillo@redhat.com>
16644 * c-parser.c (pragma_omp_clause): Define.
16645 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16646 (c_parser_compound_statement): Likewise.
16647 (c_parser_statement): Likewise.
16648 (c_parser_pragma): Handle omp pragmas.
16649 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16650 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16651 (c_parser_omp_clause_name, check_no_duplicate_clause,
16652 c_parser_omp_variable_list,
16653 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16654 c_parser_omp_clause_copyprivate,
16655 c_parser_omp_clause_default,
16656 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16657 c_parser_omp_clause_lastprivate,
16658 c_parser_omp_clause_nowait,
16659 c_parser_omp_clause_num_threads,
16660 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16661 c_parser_omp_clause_reduction,
16662 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16663 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16664 c_parser_omp_atomic, c_parser_omp_barrier,
16665 c_parser_omp_critical, c_parser_omp_flush,
16666 c_parser_omp_for_loop, c_parser_omp_for,
16667 c_parser_omp_master, c_parser_omp_ordered,
16668 c_parser_omp_sections_scope, c_parser_omp_sections,
16669 c_parser_omp_parallel, c_parser_omp_single,
16670 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16671 * c-pragma.c (init_pragma): Do omp pragma registration here.
16672 * c.opt (fopenmp): New flag.
16674 2006-01-18 Eric Christopher <echristo@apple.com>
16676 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16677 * config/darwin.h (GOMP_SELF_SPECS): Define.
16679 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16681 * rtl.h: Remove the prototype for reg_alloc.
16683 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16686 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16687 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16688 sjlj and dwarf2 exception handling.
16689 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16690 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16691 * pa/pa.c (function_value): Treat complex and vector types as
16693 (function_arg): Likewise. Only pass scalar floats in the floating
16694 point argument registers.
16695 * pa/t-slibgcc-dwarf-ver: New file.
16696 * pa/t-slibgcc-sjlj-ver: New file.
16697 * pa/t-slibgcc-elf-ver: Delete file.
16699 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16701 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16702 unlikely_test_section_p test.
16704 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16706 * mode-switching.c (optimize_mode_switching): Make it static.
16707 * basic-block.h: Remove the prototype for
16708 optimize_mode_switching.
16710 * modulo-sched.c (sms_schedule): Make it static.
16711 * rtl.h: Remove the prototype for sms_schedule.
16713 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16714 * rtl.h: Remove the prototype for gcse_after_reload_main.
16716 * reg-stack.c (reg_to_stack): Make it static.
16717 * rtl.h: Remove the prototype for reg_to_stack.
16719 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16721 * rtl.h: Remove the prototypes for regrename_optimize and
16722 copyprop_hardreg_forward.
16724 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16726 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16727 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16728 Test against the appropriate null constant for the mode.
16729 If 'fixup_overlap' is true, swap the operands if they overlap.
16730 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16731 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16732 alpha_split_tmode_pair and adjust for above change.
16733 * config/alpha/alpha.md (movtf_internal): Adjust call to
16734 alpha_split_tfmode_pair and rely on it to swap the operands.
16735 (movti_internal): New insn and post-reload splitter.
16736 (movti): New expander.
16738 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16740 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16743 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16745 * rtlanal.c (global_reg_mentioned_p_1,
16746 global_reg_mentioned_p): Remove.
16747 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16749 * flow.c (initialize_uninitialized_subregs): Make it static.
16750 * rtl.h: Remove the prototype for
16751 initialize_uninitialized_subregs.
16753 * function.c (instantiate_virtual_regs): Make it static.
16754 * function.h: Remove the prototype for
16755 instantiate_virtual_regs.
16757 * regmove.c (regmove_optimize, combine_stack_adjustments):
16759 * rtl.h: Remove the prototypes for regmove_optimize and
16760 combine_stack_adjustments.
16762 2006-01-17 Roger Sayle <roger@eyesopen.com>
16764 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16765 (size_cost): Encode costs in bytes so that a reg-reg addition is
16766 equivalent to COSTS_N_INSNS(1).
16767 (override_options): Use the size_cost.branch_cost as the default
16768 ix86_branch_cost when optimizing for size.
16770 2006-01-18 Ben Elliston <bje@au.ibm.com>
16772 * Makefile.in (D32PBIT_FUNCS): New.
16773 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16774 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16775 D64PBIT_FUNCS and D128PBIT_FUNCS.
16776 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16777 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16779 (decnumber_dep): Define.
16780 * doc/libgcc.texi (Decimal float library routines): New node.
16781 * config/dfp-bit.h, config/dfp-bit.c: New files.
16783 2006-01-18 Ben Elliston <bje@au.ibm.com>
16785 * expr.c (emit_move_change_mode): Always adjust addresses, not
16786 just during reload. Copy replacements only during reload.
16787 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16788 emit_move_via_integer.
16790 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16792 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16793 instead of $(srcdir) and ${srcdir}.
16795 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16798 PR middle-end/11135
16799 * arm.h (struct machine_function): Add pic_reg.
16800 * arm.c (arm_pic_register): Make unsigned.
16801 (arm_override_options): Only set arm_pic_register if
16802 TARGET_SINGLE_PIC_BASE.
16803 (use_return_insn): Only test for a pic register if it is fixed.
16804 (arm_compute_save_reg0_reg12_mask): Likewise.
16805 (thumb_compute_save_reg_mask): Likewise.
16806 (legitimate_pic_operand): Factor out some known invariants.
16807 (legitimize_pic_address): If we don't have a fixed pic register,
16808 then set up a pseudo in the function entry sequence. Handle the
16809 pic base being in a pseudo.
16810 (arm_load_pic_register): Handle the pic register being in a pseudo.
16811 (arm_expand_prologue): Only set up the pic register if it is fixed.
16812 (thumb_expand_prologue): Likewise.
16813 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16814 (pic_load_addr_based_insn): Likewise.
16815 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16818 2006-01-18 Ben Elliston <bje@au.ibm.com>
16820 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16821 decimal float modes for all floating point registers.
16823 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16824 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16826 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16829 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16830 even when the pointer is not NULL.
16832 2006-01-16 Ian Lance Taylor <ian@airs.com>
16834 * common.opt (ftoplevel-reorder): New option.
16835 * cgraph.c (cgraph_asm_nodes): New global variable.
16836 (cgraph_asm_last_node): New static variable.
16837 (cgraph_order): New global variable.
16838 (cgraph_create_node): Set new order field.
16839 (cgraph_varpool_node): Likewise.
16840 (decide_is_variable_needed): Return true if not
16841 flag_toplevel_reorder.
16842 (cgraph_add_asm_node): New function.
16843 * cgraph.h (struct cgraph_node): Add order field.
16844 (struct cgraph_varpool_node): Add order field.
16845 (struct cgraph_asm_node): Define.
16846 (cgraph_asm_nodes, cgraph_order): Declare.
16847 (cgraph_add_asm_node): Declare.
16848 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16850 (cgraph_varpool_assemble_pending_decls): Call it.
16851 (cgraph_output_pending_asms): New static function.
16852 (cgraph_finalize_compilation_unit): Call it.
16853 (struct cgraph_order_sort): Define.
16854 (cgraph_output_in_order): New static function.
16855 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16856 !flag_toplevel_reorder case.
16857 * c-parser.c: Include "cgraph.h".
16858 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16860 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16861 than -fno-unit-at-a-time.
16862 * doc/invoke.texi (Option Summary): Mention
16863 -fno-toplevel-reorder.
16864 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16865 -funit-at-a-time documentation.
16867 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16868 Kazu Hirata <kazu@codesourcery.com>
16870 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16872 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16874 * Makefile.in (FUNCTION_H): New. Use it instead of
16875 function.h throughout the file.
16876 * function.h: Include tree.h.
16878 2006-01-17 Ben Elliston <bje@au.ibm.com>
16880 * recog.c: Separate some functions with whitespace.
16882 2006-01-16 Richard Henderson <rth@redhat.com>
16884 Merge from gomp branch:
16885 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16886 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16887 and rename from struct inline_data. Rename callee* to dst*;
16888 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16889 transform_new_cfg, transform_return_to_modify, and
16890 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16892 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16893 (copy_decl_for_dup): Remove.
16894 * tree-inline.c (struct inline_data): Move to header.
16895 (insert_decl_map): Export.
16896 (remap_decl): Update for member name changes. Use copy_decl hook.
16897 Allow for replacement to be a non-decl. Remove dead code.
16898 (remap_type_1): Check for existing mapping.
16899 (remap_type): Export.
16900 (remap_decls): Update for member name changes.
16901 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16902 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16903 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16904 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16905 (tree_function_versioning, build_duplicate_type): Likewise.
16906 (copy_body_r): Likewise. Export.
16907 (copy_decl_for_dup): Split into ...
16908 (copy_decl_for_dup_finish, copy_decl_to_var,
16909 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16910 (replace_ref_tree, inlining_p): Remove.
16912 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16914 * ifcvt.c (if_convert): Make it static.
16915 * rtl.h: Remove the prototype for if_convert.
16917 * local-alloc.c (local_alloc): Make it static.
16918 * rtl.h: Remove the prototype for local_alloc.
16920 * loop.c (loop_optimize): Make it static.
16921 * cfgloop.h: Remove the prototype for loop_optimize.
16924 2006-01-16 DJ Delorie <dj@redhat.com>
16926 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16929 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16931 * pa.md: Disparage copies between general and floating-point registers
16932 in 32-bit move patterns.
16934 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16937 * Makefile.in (check-%): Depend on site.exp instead of
16938 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16941 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16943 * global.c (global_alloc): Make it static.
16944 * rtl.h: Remove the prototype for global_alloc.
16946 2006-01-16 Richard Guenther <rguenther@suse.de>
16948 * tree-ssa-alias.c (struct used_part): Add write_only field.
16949 (get_or_create_used_part_for): Initialize it to true.
16950 (create_overlap_variables_for): Don't create structure variables
16951 for structures that only are written to.
16952 (find_used_portions): Handle MODIFY_EXPR to track whether a
16953 structure is only written to.
16955 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16957 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16959 * basic-block.h: Remove the prototype for
16960 partition_hot_cold_basic_blocks.
16962 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16964 * cppspec.c (lang_specific_spec_functions): Remove.
16965 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16966 * gcc.h (lang_specific_spec_functions): Remove.
16967 * gccspec.c (lang_specific_spec_functions): Remove.
16969 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16971 * combine.c (record_value_for_reg): Invalidate registers
16973 (record_dead_and_set_regs_1): Likewise, by passing them to
16974 record_value_for_reg.
16975 (record_dead_and_set_regs): Invalidate stores made by a
16976 call. We do not combine across a call, but we still
16977 relied on equivalences.
16979 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16981 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16982 vrp_int_const_binop returning non-constant nodes.
16984 2006-01-16 Paul Brook <paul@codesourcery.com>
16986 * config/m68k/m68k.c (output_move_const_into_data_reg):
16987 Output correct mnemonic for mvz and mvs.
16989 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16991 * rtl-factoring.c: Add sequence abstraction algorithm.
16992 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16993 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16995 (block_has_preserve_label): New function.
16996 * common.opt: Register new pass.
16997 * Makefile.in: Ditto.
16999 * timevar.def: Ditto.
17000 * tree-pass.h: Ditto.
17001 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17002 * rtl.h (make_jump_insn_raw): Add forward decl.
17003 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17005 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17006 Roger Sayle <roger@eyesopen.com>
17008 * fold-const.c (fold_minmax): New static function.
17009 (fold_binary) <MIN_EXPR>: Call it.
17010 <MAX_EXPR>: Likewise.
17011 * stor-layout.c (place_field): Use DECL_SIZE consistently
17012 in the computation of the new record size.
17014 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17016 * cse.c (cse_condition_code_reg): Make it static.
17017 * rtl.h: Remove the prototype for cse_condition_code_reg.
17019 * combine.c (combine_instructions): Make it static.
17020 * rtl.h: Remove the prototype for combine_instructions.
17022 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17025 * tree.c (get_file_function_name_long): Concatenate the first global
17026 object name with a string derived from the input filename of the object
17029 2006-01-16 Ben Elliston <bje@au.ibm.com>
17031 * config/i386/winnt-stubs.c: Update FSF address.
17032 * config/xtensa/ieee754-df.S: Ditto.
17033 * config/xtensa/ieee754-sf.S: Ditto.
17035 2006-01-14 Ian Lance Taylor <ian@airs.com>
17037 * ifcvt.c (noce_init_if_info): New static function, broken out of
17038 noce_process_if_block.
17039 (noce_process_if_block): Call noce_init_if_info.
17040 (check_cond_move_block): New static function.
17041 (cond_move_process_if_block): New static function.
17042 (process_if_block): Call cond_move_process_if_block.
17044 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17046 * cselib.c (hash_table): Rename to cselib_hash_table.
17047 (cselib_clear_table, discard_useless_values,
17048 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17049 cselib_init, cselib_finish): Adjust uses of hash_table.
17051 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17053 PR tree-optimization/25485
17054 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17055 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17056 is known to be false and true, respectively.
17058 2006-01-14 Richard Guenther <rguenther@suse.de>
17060 PR tree-optimization/22548
17061 PR tree-optimization/22555
17062 PR tree-optimization/22501
17063 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17064 * params.def (salias-max-array-elements): New parameter.
17065 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17066 * doc/invoke.texi (salias-max-array-elements): Document.
17067 * tree-flow-inline.h (var_can_have_subvars): We also handle
17069 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17071 * tree-ssa-structalias.c (params.h): Include.
17072 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17073 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17074 (get_constraint_for): For ADDR_EXPR operating on something
17075 containing an ARRAY_REF, add all subvars to the solution.
17076 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17077 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17078 for creating MUST_DEFs.
17079 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17081 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17083 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17085 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17086 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17087 number_of_iterations_le): New functions.
17088 (number_of_iterations_special): Removed.
17089 (number_of_iterations_exit): Do not use number_of_iterations_special.
17090 * tree.c (unsigned_type_for): Always return integer type.
17092 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17093 Richard Guenther <rguenther@suse.de>
17095 PR rtl-optimization/24257
17096 * gcse.c (find_moveable_store): Only consider a store movable
17097 when the SET_SRC of the insn can be assigned to a register.
17099 2006-01-14 Ian Lance Taylor <ian@airs.com>
17101 * tree.c (tree_not_class_check_failed): New function.
17102 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17103 (tree_not_class_check_failed): Declare.
17105 2006-01-13 Ian Lance Taylor <ian@airs.com>
17107 * reload1.c (do_output_reload): Add assertion rejecting a
17110 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17112 * combine.c (struct reg_stat): Add new fields truncation_label and
17114 (record_value_for_reg): Reset truncated_to_mode.
17115 (record_truncated_value): New function.
17116 (check_promoted_subreg): Call it. Rename to check_conversions.
17117 (combine_instructions): Rename check_promoted_subreg to
17119 (reg_truncated_to_mode): New function.
17120 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17121 (gen_lowpart_or_truncate): New function.
17122 (force_to_mode): Use it instead of gen_lowpart.
17124 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17126 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17127 VAR is a tag, not its type tag.
17129 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17131 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17132 alternatives to match style of other entries.
17133 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17135 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17137 PR tree-optimization/25771
17138 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17141 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17144 * tree-inline.c (declare_return_variable): If the return variable
17145 was marked as a non gimple complex, set the return slot variable
17146 to be a non gimple comple variable.
17148 2006-01-13 Richard Guenther <rguenther@suse.de>
17150 * builtins.c (expand_builtin_sincos): New function.
17151 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17153 (expand_builtin): Expand sincos using expand_builtin_sincos.
17155 2006-01-12 DJ Delorie <dj@redhat.com>
17157 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17158 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17159 so that constant shifts can be split.
17160 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17161 (m32c_valid_pointer_mode): Make static.
17162 (shift_gen_func_for): New.
17163 (m32c_prepare_shift): Use it. Split large const shifts into
17165 * config/m32c/predicates.md (shiftcount_operand): Allow more
17167 (longshiftcount_operand): New.
17168 * doc/md.texi (Machine Constraints): Document In6.
17170 2006-01-13 Ben Elliston <bje@au.ibm.com>
17172 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17173 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17176 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17178 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17179 to try to avoid clobbering pieces of structures when we know
17180 something about the whole structure.
17181 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17183 2006-01-13 Ben Elliston <bje@au.ibm.com>
17185 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17186 return in memory, as this is no limitation is no longer present.
17188 2006-01-12 DJ Delorie <dj@redhat.com>
17190 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17191 mova with fb, and for fb+0 -> An.
17193 * config/m32c/mov.md (peephole2): Fix enabling logic.
17195 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17196 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17197 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17198 FINI_ARRAY_SECTION_ASM_OP): Define.
17200 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17202 (m32c_legitimize_reload_address): New logic to reload FB to An.
17203 (m32c_output_reg_push): Add newline.
17204 (m32c_output_reg_pop): Likewise.
17206 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17208 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17210 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17212 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17214 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17216 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17219 2006-01-11 Ben Elliston <bje@au.ibm.com>
17221 * rtlanal.c (find_reg_note): Assert insn is not null.
17223 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17225 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17228 2006-01-11 Jeff Law <law@redhat.com>
17230 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17232 (mark_threaded_blocks, register_jump_thread): New functions.
17233 (thread_through_all_blocks): Remove unwanted argument. No
17234 longer rely on e->aux to communicate thread target info.
17235 Call mark_threaded_blocks. Release the threaded_blocks
17236 bitmap and threaded_edges vector when complete.
17237 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17238 (threaded_blocks): Remove.
17239 (tree_ssa_dominator_optimize): Remove initialization and
17240 finalization of threaded_blocks. Simplify call to
17241 thread_through_all_blocks.
17242 (thread_across_edge): Call register_jump_thread rather than
17243 storing thread information into e->aux.
17244 (free_all_edge_infos): Simplify now that e->aux is no longer
17245 used to communicate with thread_through_all_blocks.
17246 * tree-flow.h (thread_through_all_blocks): Update prototype.
17247 (register_jump_thread): Prototype.
17249 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17251 * df-core.c (df_compact_blocks, df_bb_replace): Use
17252 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17254 2006-01-11 Richard Guenther <rguenther@suse.de>
17256 PR tree-optimization/25734
17257 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17258 stop propagation after successful propagation to the LHS.
17260 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17262 * basic-block.h (control_flow_graph): Change the type of
17263 x_basic_block_info to VEC(basic_block,gc) *.
17264 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17266 (SET_BASIC_BLOCK): New.
17267 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17268 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17269 * cfgbuild.c (find_basic_blocks): Likewise.
17270 * cfglayout.c (fixup_reorder_chain): Likewise.
17271 * cfgrtl.c (create_basic_block_structure,
17272 rtl_create_basic_block): Likewise.
17273 * ifcvt.c (find_if_case_1): Likewise.
17274 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17277 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17279 * Makefile.in: Removed rotted odf.c entry.
17281 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17284 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17285 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17286 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17287 output pattern modifier, not %e.
17288 * config/cris/cris.c (cris_op_str): Update comment about pattern
17290 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17291 before falling through into...
17292 <case 'E'>: Redefined from old 'e' case.
17294 2006-01-11 Jan Hubicka <jh@suse.cz>
17297 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17299 2006-01-11 Jan Hubicka <jh@suse.cz>
17301 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17302 * i386.c (x86_decompose_lea): Kill.
17303 (ix86_rtx_costs): Kill.
17305 2006-01-11 Jan Hubicka <jh@suse.cz>
17307 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17308 * cgraph.h (cgraph_node): Add inline_decl.
17309 (cgraph_insert_node_to_hashtable): Declare.
17310 (save_inline_function_body): Declare.
17311 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17313 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17314 (cgraph_function_versioning): Update call of tree_function_versioning.
17315 (save_inline_function_body): New function.
17316 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17317 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17318 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17319 (cgraph_default_inline_p): Likewise.
17320 (cgraph_decide_inlining_incrementally): Likewise.
17321 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17322 (copy_bb): Kill saving; do updating of clones.
17323 (copy_cfg_body): Kill saving.
17324 (initialize_inlined-parameters): Likewise.
17325 (expand_call_inline): Likewise.
17327 (tree_function_versioning): New parameter "update_clones".
17328 (inlining_p): Kill saving.
17329 * tree-inline.h (tree_function_versioning): Update prototype.
17330 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17333 2006-01-11 Ian Lance Taylor <ian@airs.com>
17335 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17336 Allow undoing set of machine mode.
17337 (do_SUBST): Use enums instead of is_int.
17338 (do_SUBST_MODE): New function.
17339 (SUBST_MODE): New macro.
17340 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17341 reg and trying to replace reg_regno_rtx with a new register.
17342 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17343 (simplify_set): Use SUBST_MODE.
17344 (distribute_notes): Remove code that tried to update reg notes
17345 for regno_reg_rtx changes.
17347 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17349 PR tree-optimization/23109
17350 PR tree-optimization/23948
17351 PR tree-optimization/24123
17353 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17354 * tree-cfg.c (single_noncomplex_succ): New.
17355 * tree-flow.h (single_noncomplex_succ): Declare it.
17356 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17357 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17358 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17359 insert_bb, register_division_in, insert_reciprocals,
17360 replace_reciprocal, free_bb): New.
17361 (execute_cse_reciprocals_1): Rewritten.
17362 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17363 Do not commit any edge insertion. Always compute dominators and
17364 create the allocation pool.
17365 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17366 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17367 * targhooks.c (default_min_divistions_for_recip_mul): New.
17368 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17369 * passes.c (init_optimization_passes): Run recip after tree loop
17371 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17373 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17374 Kenneth Zadeck <zadeck@naturalbridge.com>
17376 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17377 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17378 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17379 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17380 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17381 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17382 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17383 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17384 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17385 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17386 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17387 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17388 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17389 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17390 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17391 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17392 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17393 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17394 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17395 DF_SCAN_POST_ALLOC): New macros.
17396 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17397 df_free_bb_function, df_local_compute_function, df_init_function,
17398 df_dataflow_function, df_confluence_function_0,
17399 df_confluence_function_n, df_transfer_function,
17400 df_finalizer_function, df_free_function, df_dump_problem_function,
17401 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17402 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17403 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17404 df_urec_bb_info, ) New types.
17405 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17407 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17408 df_analyze_simple_change_some_blocks,
17409 df_analyze_simple_change_one_block, df_compact_blocks,
17410 df_bb_replace, df_bb_regno_last_use_find,
17411 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17412 df_insn_regno_def_p, df_find_def, df_find_use,
17413 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17414 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17415 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17416 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17417 debug_df_chain, df_get_dependent_problem, df_chain_create,
17418 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17419 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17420 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17421 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17422 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17423 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17424 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17425 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17426 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17427 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17428 df_reorganize_refs, df_set_state, df_hard_reg_init,
17429 df_read_modify_subreg_p) New public functions.
17430 * df-core.c: The core dataflow solver and glue routines for rtl
17432 (df_init, df_add_problem, df_set_blocks, df_finish,
17433 df_hybrid_search_forward, df_hybrid_search_backward,
17434 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17435 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17436 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17437 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17438 df_reg_defined, df_find_use, df_reg_used, df_dump,
17439 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17440 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17441 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17442 debug_df_useno, reset_df_after_reload): New functions.
17443 * df-scan.c: The scanning fuctions, once in df.c, completely
17444 rewritten so that they now fully model the functionality of
17445 register usage at the backend.
17446 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17447 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17448 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17449 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17450 df_get_artificial_defs, df_get_artificial_uses,
17451 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17452 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17453 df_refs_delete, df_reorganize_refs, df_set_state,
17454 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17455 df_def_record_1, df_defs_record, df_uses_record,
17456 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17457 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17458 df_record_exit_block_uses, df_hard_reg_init): New functions.
17460 * df-problems.c: Seven concrete dataflow problems that use the
17461 scanning in df-scan.c and are solved by the engine in df-core.c.
17462 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17463 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17464 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17465 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17466 df_ru_free_bb_info, df_ru_alloc,
17467 df_ru_bb_local_compute_process_def,
17468 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17469 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17470 df_ru_transfer_function, df_ru_free, df_ru_dump,
17471 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17472 df_rd_free_bb_info, df_rd_alloc,
17473 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17474 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17475 df_rd_transfer_function, df_rd_free, df_rd_dump,
17476 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17477 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17478 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17479 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17480 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17481 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17482 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17483 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17484 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17485 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17486 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17487 df_urec_mark_reg_use_for_earlyclobber,
17488 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17489 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17490 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17491 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17492 df_chain_create_bb_process_use, df_chain_create_bb,
17493 df_chain_finalize, df_chain_free, df_chains_dump,
17494 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17495 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17496 df_reg_lifetime): New functions.
17497 * df.c: Deleted file.
17498 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17499 consistent with new df api.
17500 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17501 rest_of_handle_sms): Ditto.
17502 * web.c (unionfind_union, union_defs, entry_register, web_main):
17504 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17505 invariant_expr_equal_p, find_defs, check_dependencies,
17506 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17507 free_inv_motion_data, move_loop_invariants): Ditto.
17508 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17509 Update dependencies.
17510 (odf.c): Added defective entry that was deleted later in day.
17511 * sched-deps.c (sched_analyze_1): Ditto.
17513 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17515 * tree-ssa-operands.c (get_expr_operands): Record addressable
17516 variables directly. Do not call add_stmt_operands for CONST_DECLs
17518 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17519 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17521 2006-01-11 Ben Elliston <bje@au.ibm.com>
17523 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17524 function returns true in the positive case.
17526 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17529 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17530 for SI, DI, SF and DF modes. Add alternatives to copy between
17531 general and floating point registers to the 32-bit patterns.
17532 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17533 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17534 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17535 generating 64-bit code.
17536 * config/pa/pa.c (output_move_double): Handle copies between general
17537 and floating registers.
17539 2006-01-10 Stuart Hastings <stuart@apple.com>
17541 * config/i386/i386.md (set_got): Update.
17542 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17543 (builtin_setjmp_receiver): Mach-O support.
17544 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17545 (GOT_SYMBOL_NAME): Define.
17546 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17547 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17548 * config/i386/i386.c (override_options): Revise for Darwin.
17549 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17550 support. (darwin_x86_file_end): New. (output_set_got): Add label
17551 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17552 * config/i386/i386-protos.h (output_set_got): Likewise.
17553 * config/darwin.c (machopic_legitimize_pic_address): Update
17556 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17558 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17559 when MODE isn't BLKmode.
17561 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17563 PR rtl-optimization/25367
17564 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17566 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17569 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17570 for a negative bound.
17572 2006-01-10 Richard Guenther <rguenther@suse.de>
17574 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17575 Never override with anything constraint.
17577 2006-01-10 Jan Beulich <jbeulich@novell.com>
17579 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17580 256 bits when optimize_size.
17582 2006-01-10 Jan Beulich <jbeulich@novell.com>
17584 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17586 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17587 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17590 2006-01-10 Ben Elliston <bje@au.ibm.com>
17592 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17594 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17595 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17596 (USE_FP_FOR_ARG): Reject decimal float modes.
17597 (function_arg_advance): Likewise.
17598 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17599 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17600 point types in AltiVec vectors.
17601 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17602 (rs6000_libcall_value): Likewise.
17604 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17606 * config/xtensa/ieee754-df.S: New file.
17607 * config/xtensa/ieee754-sf.S: New file.
17608 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17609 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17610 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17612 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17614 * config/sh/predicates.md (binary_float_operator,
17615 binary_logical_operator, commutative_float_operator,
17616 equality_comparison_operator, greater_comparison_operator,
17617 less_comparison_operator, logical_operator,
17618 noncommutative_float_operator, shift_operator,
17619 symbol_ref_operand, unary_float_operator): Remove redundant
17622 2006-01-09 Jeff Law <law@redhat.com>
17624 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17625 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17626 now unused arguments. Callers updated.
17627 (eliminate_redundant_computations): Remove now unused arguments,
17629 (local_fold): Remove, no longer used.
17630 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17632 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17633 (simplify_cond): New function.
17634 (forward_propagate_into_cond): Call simplify_cond.
17636 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17638 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17639 (*vec_extractv2di_1_sse): New.
17641 2006-01-09 Ben Elliston <bje@au.ibm.com>
17643 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17645 2006-01-08 Richard Guenther <rguenther@suse.de>
17647 * tree-ssa-structalias.c (get_constraint_for): Remove
17648 anyoffset argument.
17649 (get_constraint_for_component_ref): Likewise.
17650 (do_deref): Likewise.
17651 (get_constraint_for): Likewise.
17652 (do_structure_copy): Likewise.
17653 (handle_ptr_arith): Likewise.
17654 (find_func_aliases): Likewise. Remove unused need_anyoffset
17657 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17658 Kaz Kojima <kkojima@gcc.gnu.org>
17660 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17661 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17662 (EXTRA_CONSTRAINT_C16): Remove.
17663 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17664 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17665 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17666 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17667 constants of SHmedia. Handle nested constant expressions of
17669 (andcosts): Fix the costs for SHmedia constants.
17670 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17671 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17672 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17673 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17674 (movv4hi_i, movv2si_i): Likewise.
17675 (movsi_const): Adjust the second operand of ior so to match with
17676 the Csu constraint.
17677 (movdi_const, movdi_const_32bit): Likewise.
17678 (movdi_const_16bit+1): Don't sign-extend LOW.
17679 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17681 (*double_shori): Fix the split condition. Use GEN_INT instead
17682 of get_int_mode calls. Mask lower 16-bit of the argument of
17684 (sym2GOTPLT): Remove.
17685 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17687 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17688 instead of EXTRA_CONSTRAINT_C16.
17690 2006-01-07 Ian Lance Taylor <ian@airs.com>
17691 David Edelsohn <edelsohn@gnu.org>
17693 PR rtl-optimization/25662
17694 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17695 for constant operands instead of simplify_gen_binary.
17696 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17697 after trying simplify_binary_operation
17699 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17701 * tree.c (iterative_hash_expr): Hash decls based on UID.
17703 2006-01-06 Eric Christopher <echristo@apple.com>
17705 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17706 (TARGET_UNWIND_EMIT): Fix spelling.
17707 * target.h (gcc_target): Add except_table_label.
17708 * except.c (output_function_exception_table): Use.
17709 * varasm.c (default_emit_except_table_label): New.
17710 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17712 (asm_out): Add here.
17713 * output.h (default_emit_except_table_label): Prototype.
17714 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17715 * config/darwin.c (darwin_emit_except_table_label): Define.
17716 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17718 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17720 PR tree-optimization/18527
17721 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17722 number_of_iterations_special, number_of_iterations_exit):
17723 Move base and step of an iv to a single structure. Add
17724 no_overflow flag, and use it in # of iterations analysis.
17725 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17726 folded_casts argument.
17727 (simple_iv): Pass base and step in a structure. Set no_overflow
17729 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17730 Evaluate expensiveness of computing # of iterations instead of
17731 the final expression.
17732 * tree-scalar-evolution.h (affine_iv): New structure.
17733 (simple_iv): Declaration changed.
17734 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17735 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17736 find_givs_in_stmt): Changed due to simple_iv change.
17738 2006-01-06 Jeff Law <law@redhat.com>
17741 * tree-cfg.c (bsi_replace): Rename final argument from
17742 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17743 change (stmt -> orig_stmt).
17744 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17745 (bsi_remove): Add new argument. Remove EH information
17747 (verify_eh_throw_table_statements): New function.
17748 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17750 * tree-optimize.c (execute_free_cfg_annotations): Verify
17751 the EH throw statement table after removing annotations.
17752 * except.h (verify_eh_throw_table_statements): Prototype.
17753 * tree-flow.h (bsi_remove): Update prototype.
17754 * tree-vrp.c (remove_range_assertions): Add new argument to
17756 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17757 * tree-complex.c (expand_complex_div_wide): Likewise.
17758 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17759 * tree-tailcall.c (eliminate_tailcall): Likewise.
17760 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17761 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17762 * tree-nrv.c (tree_nrv): Likewise.
17763 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17764 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17765 (combine_blocks): Likewise.
17766 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17767 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17768 (cleanup_control_flow): Likewise.
17769 (remove_forwarder_block): Likewise.
17770 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17771 * tree-sra.c (sra_replace): Likewise.
17772 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17773 (forward_propagate_single_use_vars): Likewise.
17774 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17775 * tree-inline.c (expand_call_inline): Likewise.
17776 * tree-vect-transform.c (vect_transform_loop): Likewise.
17777 * tree-outof-ssa.c (rewrite_trees): Likewise.
17778 * tree-cfg.c (make_goto_expr_edges): Likewise.
17779 (cleanup_dead_labels): Likewise.
17780 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17781 (bsi_move_before, bsi_move_after): Likewise.
17782 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17783 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17785 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17788 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17790 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17791 on non gimple variables. Also add checks at the top for decls and
17793 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17795 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17796 and IMAGPART_EXPR for creating MUST_DEFs.
17797 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17798 and NAME_MEMORY_TAG separately from the DECLs.
17800 2006-01-06 Richard Guenther <rguenther@suse.de>
17802 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17803 annotation, if necessary.
17804 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17805 redundant calls to update_stmt.
17806 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17809 2006-01-05 Richard Henderson <rth@redhat.com>
17811 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17813 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17815 * c-typeck.c: Update copyright date.
17817 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17819 * c-typeck.c (build_c_cast): Always warn when casting
17820 from a pointer to an integer of different size, even if
17821 the node was constant.
17823 2006-01-05 Richard Guenther <rguenther@suse.de>
17825 PR tree-optimization/22555
17826 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17827 if one structure field is an array.
17828 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17829 operands even if we found a subvar, but ignore VOPs in this
17831 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17833 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17835 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17837 PR middle-end/24998
17838 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17840 2006-01-05 Richard Guenther <rguenther@suse.de>
17841 Diego Novillo <dnovillo@redhat.com>
17843 * tree-pass.h (TODO_remove_unused_locals): Define.
17844 * gimple-low.c (expand_var_p, remove_useless_vars,
17845 pass_remove_useless_vars): Remove. Update all users.
17846 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17847 (remove_unused_locals): New function.
17848 * tree-flow.h (remove_unused_locals): Declare.
17849 * passes.c (execute_todo): Call remove_unused_locals if
17850 TODO_remove_unused_locals is set.
17851 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17852 * tree-ssa-dce.c (pass_dce): Likewise.
17853 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17855 2006-01-05 Richard Guenther <rguenther@suse.de>
17857 * tree-flow.h (struct fieldoff): Decompose field to
17858 type, size and decl.
17859 * tree-ssa-alias.c (create_sft): Take type as parameter.
17860 (create_overlap_variables_for): Store type, size and decl
17861 in the fieldoff structure.
17862 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17863 of struct fieldoff.
17864 (push_fields_onto_fieldstack): Likewise.
17865 (create_variable_info_for): Likewise. Use offset for the
17866 SFT name if the decl is not available.
17868 2006-01-04 Paul Brook <paul@codesourcery.com>
17870 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17872 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17874 * lambda-code.c (can_put_in_inner_loop): Relax
17876 (can_put_after_inner_loop): New function.
17877 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17878 (perfect_nestify): Change to make copies and modify uses.
17880 2006-01-04 Richard Henderson <rth@redhat.com>
17882 Merge from gomp branch:
17883 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17884 via integer constant.
17885 (pragma_lex): Remove.
17886 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17887 rather than parsing it.
17888 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17889 handle_pragma_extern_prefix): Add %< %> quotes.
17890 (registered_pragmas): New.
17891 (c_register_pragma_1): New.
17892 (c_register_pragma): Use it.
17893 (c_register_pragma_with_expansion): Likewise.
17894 (c_invoke_pragma_handler): New.
17895 (init_pragma): Use cpp_register_deferred_pragma directly for
17897 * c-pragma.h (enum pragma_kind): New.
17898 (pragma_handler): New.
17899 (c_invoke_pragma_handler): Declare.
17900 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17902 * c-common.h (c_common_pch_pragma): Update decl.
17903 * Makefile.in (c-parser.o): Update dependencies.
17904 (GTFILES): Add c-pragma.h.
17905 * c-parser.c (struct c_token): Add pragma_kind.
17906 (struct c_parser): Add in_pragma.
17907 (c_lex_one_token): Always initialize keyword and pragma_kind.
17908 Extract data for CPP_PRAGMA.
17909 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17910 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17911 Don't allow CPP_PRAGMA_EOL if in_pragma.
17912 (c_parser_consume_pragma): New.
17913 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17914 (c_parser_skip_to_end_of_parameter): Likewise.
17915 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17916 (c_parser_skip_to_pragma_eol): New.
17917 (c_parser_external_declaration): Handle CPP_PRAGMA.
17918 (c_parser_compound_statement_nostart): Likewise.
17919 (c_parser_statement_after_labels): Likewise.
17920 (c_parser_pragma): New.
17921 (pragma_lex): Likewise.
17922 (c_parser_pragma_pch_preprocess): New.
17923 (c_parser_new): Merge into ...
17924 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17926 2006-01-04 Jeff Law <law@redhat.com>
17929 * tree-cfg.c (bsi_replace): Remove the original statement
17930 from the EH throw statement table.
17932 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17934 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17935 make the prototype extern "C" and add throw ().
17938 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17939 and pos non-negative and pos + len <= 32.
17940 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17941 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17942 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17945 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17946 as well as sizes not multiple of component size.
17949 * function.c (instantiate_expr): New function.
17950 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17951 walk its DECL_VALUE_EXPR with instantiate_expr.
17953 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17954 DW_OP_deref{,_size} if address isn't going to be added.
17956 2006-01-04 Ben Elliston <bje@au.ibm.com>
17958 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17959 * config/fp-bit.c: Likewise.
17961 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17963 * dominance.c: Add comment about why we use DFS numbering
17966 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17967 Richard Henderson <rth@redhat.com>
17969 Merge from gomp-branch:
17970 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17971 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17973 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17975 PR rtl-optimization/25578
17976 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17977 pass a parameter to simplify_shift_const if changing ASHIFTRT
17980 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17982 * builtins.c (get_builtin_sync_mem): New function.
17983 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17984 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17985 Call get_builtin_sync_mem to generate mem rtx.
17987 2006-01-03 Richard Guenther <rguenther@suse.de>
17990 * stmt.c (add_case_node): Make sure to clear overflow flags
17993 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17995 Merge from gomp-branch.
17996 * config/sparc/sync.md: New file.
17997 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17998 UNSPECV_LDSTUB): New constants.
17999 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18000 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18001 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18004 2006-01-03 Roger Sayle <roger@eyesopen.com>
18006 * combine.c (reg_subword_p): New predicate to test whether the
18007 destination of a set refers to a subword/piece of a register.
18008 (try_combine): Generalize the code to merge the setting of a
18009 pseudo to a constant followed by a set of a subword of that
18010 register to a constant.
18012 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18014 * basic-block.h (control_flow_graph): Change the type of
18015 x_label_to_block_map to VEC(basic_block,gc) *.
18016 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18017 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18019 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18020 VEC(basic_block,heap) *.
18021 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18022 ssa_prop_fini): Adjust the uses of cfg_blocks.
18024 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18026 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18028 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18029 hashing trees instead of a pointer hash.
18030 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18031 compare for MEM_EXPR.
18033 PR rtl-optimization/25130
18034 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18035 when comparing MEMs for GCSE
18037 2006-01-03 Ben Elliston <bje@au.ibm.com>
18039 * targhooks.h (default_decimal_float_supported_p): Declare.
18040 * targhooks.c (default_decimal_float_supported_p): Define.
18041 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18042 `default_decimal_float_supported_p'.
18043 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18045 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18047 * combine.c (apply_distributive_law <SUBREG>): Check
18048 TRULY_NOOP_TRUNCATION.
18050 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18052 * dwarf2out.c (have_switched_text_section): Delete.
18053 (have_multiple_function_sections): New.
18054 (have_location_lists): Make 'bool'.
18055 (add_AT_loc_list): Use 'true' not '1'.
18056 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18057 (output_loc_list): Use have_multiple_function_sections.
18058 (output_ranges): Likewise.
18059 (dwarf2out_begin_function): Set have_multiple_function_sections if
18061 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18062 Check function_section rather than DECL_SECTION_NAME.
18063 (dwarf2out_finish): Use have_multiple_function_sections.
18064 Don't clear have_location_lists.
18066 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18067 Jan Hubicka <jh@suse.cz>
18069 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18070 case of conditional jump jumping to the next instruction.
18071 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18072 cases of conditional jump jumping to the next instruction.
18074 2006-01-02 Jan Hubicka <jh@suse.cz>
18076 * i386.c (*_cost): Add COSTS_N_INSNS.
18077 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18079 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18082 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18084 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18086 * config/arm/arm.c (all_fpus): Fix comment typo.
18087 * config/darwin.c: Likewise.
18088 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18089 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18090 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18092 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18094 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18095 (rs6000_split_compare_and_swapqhi): New.
18096 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18097 (sync_compare_and_swapqhi_internal): New.
18098 * config/rs6000/rs6000-protos.h: Declare.