1 2006-11-11 Jan Hubicka <jh@suse.cz>
3 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
4 * modulo-sched.c (find_line_note): Remove.
5 (loop_canon_p): Do not worry about line number notes.
6 (sms_schedule): Likewise.
7 * cse.c (cse_main): Likewise.
8 * regmove.c (fixup_match_1): Likewise
9 * function.c (emit_return_info_block): Likewise.
10 (expand_function_end): Likewise.
11 (thread_prologue_an_epilogue_insns): Likewise.
12 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
14 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
15 emit_note_copy_after): Kill.
16 (emit_note_copy): Do not worry about line numbers.
17 * jump.c (purge_line_number_notes): Kill.
18 (pass_purge_lineno_notes): Kill.
19 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
21 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
22 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
23 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
24 * tree-pass.h (pass_purge_lineno_notes): Kill.
25 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
26 rm_redundant_line_notes.
27 * sched-rgb.c (schedule_region): Don't rm_line_notes,
28 rm_redundant_line_notes.
29 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
30 * haifa-sched.c: Update comment about handling notes.
31 (unlink_line_notes): Kill.
32 (rm_line_notes): Kill.
33 (save_line_notes): Simplify.
34 (rm_redundant_line_notes): Kill.
36 2006-11-11 Richard Guenther <rguenther@suse.de>
38 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
39 Remove unused tree codes.
40 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
41 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
42 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
43 * tree.c (stabilize_reference): Likewise.
44 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
45 fold_unary): Likewise.
46 * tree-gimple.c (is_gimple_cast): Likewise.
47 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
48 * expr.c (expand_expr_real_1): Likewise.
49 * tree-eh.c (tree_could_trap_p): Likewise.
50 * gimplify.c (gimplify_expr): Likewise.
51 * tree-inline.c (estimate_num_insns_1): Likewise.
52 * tree-cfg.c (verify_expr): Likewise.
54 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
56 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
57 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
58 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
60 2006-11-11 Richard Sandiford <richard@codesourcery.com>
63 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
64 constraints accept neither registers or memories.
66 2006-11-11 Jie Zhang <jie.zhang@analog.com>
68 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
69 (NO_PROFILE_COUNTERS): Define as 1.
71 2006-11-10 Roger Sayle <roger@eyesopen.com>
73 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
74 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
76 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
78 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
80 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
82 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
83 (fold_builtin_hypot): Likewise.
84 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
86 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
88 2006-11-10 Roger Sayle <roger@eyesopen.com>
90 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
91 when attempting to build INTEGER_CSTs of non-integral types.
92 * expmed.c (make_tree): Use the correct type, i.e. the inner
93 type, when constructing the individual elements of a CONST_VECTOR.
95 2006-11-10 Jan Hubicka <jh@suse.cz>
97 * cse.c (cse_process_notes): Copy the propagated value.
98 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
100 * gcse.c (try_replace_reg): Copy the replacement.
101 * i386.c (emit_i387_cw_initialization): Copy stored_mode
102 (assign_386_stack_local): Always return copied memory expression
103 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
106 2006-11-10 Jan Hubicka <jh@suse.cz>
108 * final.c (final): Walk from first instruction.
109 * cfglayout.c (insn_locators_initialize): Remove line number notes.
111 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
114 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
116 (umulv8hi3_highpart): Ditto.
117 (vec_widen_smult_hi_v8hi): New expander.
118 (vec_widen_smult_lo_v8hi): Ditto.
120 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
122 * builtins.c (do_mpfr_arg3): New.
123 (fold_builtin_1): Handle builtins fma, fmin and fmax.
125 2006-11-09 Eric Christopher <echristo@apple.com>
130 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
131 * config.gcc (powerpc64-*-darwin*): New target.
132 * config.host: Ditto.
133 * config/rs6000/darwin64.h: New file.
134 * config/rs6000/x-darwin64: Ditto.
135 * config/rs6000/host-ppc64-darwin.c: Ditto.
137 2006-11-09 Steve Ellcey <sje@cup.hp.com>
139 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
140 routines for integer division.
142 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
144 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
146 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
149 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
151 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
153 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
154 simplify_subreg with BLKmode outer mode.
156 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
158 * doc/invoke.texi: Minor formatting fixes in option lists.
160 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
162 PR tree-optimization/29738
163 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
164 (ccp_lattice_t): Remove UNKNOWN_VAL.
165 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
166 Do not handle UNKNOWN_VAL.
167 (get_default_value): Set initial value of virtual operands to
169 (get_value): Always use get_default_value on uninitialized
171 (set_value_varying, surely_varying_stmt_p): New functions.
172 (set_lattice_value): Do not pass argument to get_value.
173 Do not handle UNKNOWN_VAL.
174 (likely_value): Follow the semantics described in the comment.
175 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
176 phi nodes DONT_SIMULATE_AGAIN.
177 (ccp_fold): Do not pass argument to get_value.
178 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
181 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
183 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
184 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
186 2006-11-08 Roger Sayle <roger@eyesopen.com>
188 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
189 test for inclusion rather than as a test for exclusion.
190 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
191 the condition after calling fold_binary.
192 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
193 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
194 * builtins.c (fold_builtin_isascii): Likewise.
195 (fold_builtin_isdigit): Likewise.
197 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
199 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
200 * configure: Regenerate.
202 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
204 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
205 enum argument instead of bool.
206 (vect_analyze_operations): Call vectorizable_type_promotion.
207 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
208 stmt_vec_info_type value.
209 (supportable_widening_operation, vectorizable_type_promotion): New
210 function declarations.
211 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
212 (vectorizable_type_promotion): New function.
213 (vect_transform_stmt): Call vectorizable_type_promotion.
214 * tree-vect-analyze.c (supportable_widening_operation): New function.
215 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
217 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
220 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
221 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
222 * tree-inline.c (estimate_num_insns_1): Add cases for above new
224 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
225 * expr.c (expand_expr_real_1): Likewise.
226 * optabs.c (optab_for_tree_code): Likewise.
227 (init_optabs): Initialize new optabs.
228 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
229 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
230 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
231 vec_unpacku_lo_optab): Initialize new optabs.
232 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
233 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
234 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
236 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
237 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
238 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
239 (vec_unpacku_lo_optab): New optabs.
240 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
241 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
242 (vec_widen_smult_hi, vec_widen_smult_lo): New.
243 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
244 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
245 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
247 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
248 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
249 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
250 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
251 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
252 implement the unsigned unpacking patterns.
253 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
254 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
255 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
256 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
257 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
258 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
259 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
260 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
261 multiplication patterns.
263 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
264 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
265 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
266 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
267 (rs6000_builtin_mul_widen_odd): New.
268 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
269 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
270 * tree-vectorizer.h (enum vect_relevant): New enum type.
271 (_stmt_vec_info): Field relevant chaned from bool to enum
273 (STMT_VINFO_RELEVANT_P): Updated.
274 (STMT_VINFO_RELEVANT): New.
275 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
276 instead of STMT_VINFO_RELEVANT_P.
277 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
278 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
279 and boolean variable with enum vect_relevant.
280 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
281 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
282 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
284 2006-11-08 Richard Henderson <rth@redhat.com>
286 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
287 vec_widen_umult_lo_v8hi): New.
288 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
289 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
291 * config/i386/i386.c (ix86_expand_sse_unpack): New.
292 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
293 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
294 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
295 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
296 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
297 vec_unpacks_lo_v4si): New.
299 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
301 * tree-vect-transform.c (vectorizable_type_demotion): New function.
302 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
303 (vect_analyze_operations): Call vectorizable_type_demotion.
304 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
305 stmt_vec_info_type value.
306 (vectorizable_type_demotion): New function declaration.
307 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
310 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
311 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
313 * tree-iniline.c (estimate_num_insns_1): Likewise.
314 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
315 * optabs.c (optab_for_tree_code): Likewise.
317 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
318 compared against the predicate of the result is not 'mode' (the input
319 to the function) but a mode with half the size of 'mode'.
320 (init_optab): Initialize new optabs.
321 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
323 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
325 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
326 (vec_pack_usat_optab): Initialize new optabs.
327 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
328 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
330 2006-11-08 Richard Henderson <rth@redehat.com>
332 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
333 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
334 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
335 (vec_interleave_highv4si, vec_interleave_lowv4si):
336 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
338 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
340 * tree-vect-transform.c (vectorizable_reduction): Support multiple
342 (vect_transform_stmt): Removed redundant code.
344 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
346 * tree-vect-transform.c (vectorizable_operation): Support multiple
349 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
351 * tree-vect-transform.c (vect_align_data_ref): Removed.
352 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
353 Updated function documentation. Return the increment stmt in ptr_incr.
354 (bump_vector_ptr): New function.
355 (vect_get_vec_def_for_stmt_copy): New function.
356 (vect_finish_stmt_generation): Create a stmt_info to newly created
358 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
360 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
361 VF is greater than the number of elements that can fit in one vector
363 (vectorizable_operation, vectorizable_condition): Likewise.
364 (vectorizable_store, vectorizable_load): Support the case that the VF
365 is greater than the number of elements that can fit in one vector word.
366 (vect_transform_loop): Don't fail in case of multiple data-types.
367 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
368 in case of multiple data-types; the smallest type determines the VF.
369 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
370 if they are of different sizes.
371 (vect_update_misalignment_for_peel): Compare misalignments in terms of
372 number of elements rather than number of bytes.
373 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
374 (vect_can_advance_ivs_p): Fix a dump printout
376 2006-11-07 Eric Christopher <echristo@apple.com>
378 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
380 * libgcc2.h: Remove transformation of bswap routines.
381 * config/i386/i386.md (bswapsi2): New.
384 2006-11-07 Jakub Jelinek <jakub@redhat.com>
386 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
387 (handle_gnu_inline_attribute): New function.
388 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
389 (merge_decls, start_decl, start_function): Likewise.
390 * doc/extend.texi: Document gnu_inline attribute.
392 2006-11-07 Steve Ellcey <sje@cup.hp.com>
395 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
396 _fixunstfdi, and _floatditf
398 2006-11-06 Anatoly Sokolov <aesok@post.ru>
400 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
402 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
403 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
404 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
405 which start in an odd register.
407 2006-11-07 Richard Sandiford <richard@codesourcery.com>
409 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
411 2006-11-07 Josh Conner <jconner@apple.com>
413 * doc/invoke.texi (fstrict-aliasing): Move implementation
415 * doc/tree-ssa.texi (Alias analysis): ...here.
417 2006-11-07 Richard Guenther <rguenther@suse.de>
419 PR tree-optimization/29610
420 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
421 of tree_purge_dead_eh_edges as it may free dominators.
423 * g++.dg/other/pr29610.C: New testcase.
425 2006-11-07 David Ung <davidu@mips.com>
427 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
428 costs when optimizing for size.
429 (override_options): Use mips_rtx_cost_optimize_size table for cost
432 2006-11-07 Jie Zhang <jie.zhang@analog.com>
434 * gcc.c (process_command): Treat -b as normal switch if its argument
437 2006-11-07 David Ung <davidu@mips.com>
439 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
442 2006-11-06 Eric Christopher <echristo@apple.com>
444 * config.gcc: Add x86_64-darwin host support.
445 * config.host: Ditto.
446 * config/i386/darwin64.h: New file.
447 * config/i386/t-darwin64: Ditto.
449 2006-11-06 Janis Johnson <janis187@us.ibm.com>
451 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
452 and output-exists-not.
454 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
457 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
458 checking for overflow.
460 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
462 * configure.ac: Fixed typo in case statement: :: changed to ;;
464 2006-11-06 Bob Wilson <bob.wilson@acm.org>
466 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
467 count_leading_zeros, and count_trailing_zeros.
468 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
469 (TARGET_FOLD_BUILTIN): Define.
470 (TARGET_EXPAND_BUILTIN): Define.
471 (xtensa_init_builtins): New.
472 (xtensa_fold_builtin): New.
473 (xtensa_expand_builtin): New.
474 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
475 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
476 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
477 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
478 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
479 (any_extend): New code macro.
480 (u, su): New code attributes.
481 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
482 (nsau): Remove; replaced by clzsi2.
483 (ffssi2): Use clzsi2.
484 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
485 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
486 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
487 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
488 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
490 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
492 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
494 * config/arm/t-strongarm-elf: Likewise.
495 * config/arm/t-pe: Likewise.
496 * config/arm/t-arm-elf: Likewise.
497 * config/arm/t-xscale-elf: Likewise.
498 * config/arm/t-arm-coff: Likewise.
499 * config/arm/t-xscale-coff: Likewise.
500 * config/arm/t-wince-pe: Likewise.
502 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
504 * config/sh/lib1funcs-4-300.asm: Guard entire file with
507 2006-11-05 Jakub Jelinek <jakub@redhat.com>
510 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
513 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
516 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
517 as a valid 80387 constant.
518 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
519 * config/i386/i386.md (unnamed splitter): Split the load of
520 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
523 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
525 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
526 from the soft-frame, argument and virtual registers.
528 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
530 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
531 patterns for standard 80387 constants.
533 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
534 Steven Bosscher <steven@gcc.gnu.org>
536 * fwprop.c: New file.
537 * Makefile.in: Add fwprop.o.
538 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
539 * passes.c (init_optimization_passes): Schedule forward propagation.
540 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
542 * timevar.def (TV_FWPROP): New.
543 * common.opt (-fforward-propagate): New.
544 * opts.c (decode_options): Enable forward propagation at -O2.
545 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
546 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
547 canon_for_address, table_size): Remove.
548 (new_basic_block, insert, remove_from_table): Remove references to
550 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
551 simplification loop more straightforward by not calling fold_rtx
553 (equiv_constant): Move here a small part of fold_rtx_subreg,
554 do not call fold_rtx. Call avoid_constant_pool_reference
556 * recog.h (canonicalize_change_group): New.
558 * doc/invoke.texi (Optimization Options): Document fwprop.
559 * doc/passes.texi (RTL passes): Document fwprop.
561 2006-11-03 Geoffrey Keating <geoffk@apple.com>
563 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
564 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
565 (grokdeclarator): Likewise.
567 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
569 * tree-dump.c (dump_enable_all): Rename local variable
570 ir_type to avoid name conflicts.
571 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
572 instead of using ir_type().
573 * profile.c (tree_register_profile_hooks): Likewise.
574 * value-prof.c (tree_register_value_prof_hooks): Likewise.
575 * basic-block.h (struct edge_def): Likewise.
576 * config/arm/arm.c (legitimize_pic_address): Likewise.
577 * coretypes.h (ir_type): New enum of all intermediate languages
579 * cfghooks.c (ir_type): Rename to...
580 (current_ir_type): ...this. Distinguish between cfgrtl and
581 cfglayout mode when the current IR is RTL. Return enum ir_type.
582 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
584 2006-11-03 Paul Brook <paul@codesourcery.com>
586 * config/arm/arm.c (arm_file_start): New function.
587 (TARGET_ASM_FILE_START): Define.
588 (arm_default_cpu): New variable.
589 (arm_override_options): Set arm_default_cpu.
591 2006-11-03 David Ung <davidu@mips.com>
593 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
594 PROCESSOR_24KC and PROCESSOR_24KF.
595 * config/mips/mips.c (mips_cpu_info_table): Add processor names
596 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
597 (mips_rtx_cost_data): Add costs for the 24kc.
598 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
599 * config/mips/24k.md: Remove references to 24k and replace with
600 uses of 24kc/24kf in the appropriate reservations.
601 * doc/invoke.texi (MIPS Options): Updated.
603 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
605 * config/sh/crt1.asm: Fix #ifdef indent.
607 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
608 Merged from STMicroelectronics sources:
609 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
610 * config/sh/crt1.asm (vbr_600): Add missing #if.
611 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
612 * sh.opt (mfused-madd): New option.
613 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
614 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
615 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
616 Remove pointless handler at VBR+0.
617 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
618 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
619 fr7. Make sure the timer handler is called with the correct FPU
620 precision setting, according to the ABI.
621 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
622 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
623 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
624 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
625 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
626 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
627 zero as second operand.
628 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
629 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
630 Fixed some bugs related to negative values, in particular -0
631 and overflow at -0x80000000.
632 * config/sh/divcost-analysis: Added sh4-300 figures.
633 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
634 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
635 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
636 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
637 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
638 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
640 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
642 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
643 SH4-300 scheduling description & fixes to SH4-[12]00 description:
644 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
645 mac_mem, mem_mac, dfp_mul, fp_cmp.
646 (insn_class, dfp_comp, any_fp_comp): Update.
647 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
648 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
649 (muldf3_i): Likewise.
650 (movsi_i): Split rI08 alternative into two separate alternatives.
652 (movsi_ie, movsi_i_lowpart): Likewise.
653 (movqi_i): Split ri alternative into two separate alternatives.
655 * sh1.md (sh1_load_store, sh1_fp): Update.
656 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
657 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
658 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
659 (sh4a_fp_double_arith): Likewise.
660 * sh4-300.md: New file.
661 * sh.c (sh_handle_option): Handle m4-300* options.
662 (sh_adjust_cost): Fix latency of auto-increments.
663 Handle SH4-300 differently than other SH4s. Check for new insn types.
664 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
665 been set by an option.
666 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
667 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
668 (mbranch-cost=): Likewise.
669 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
671 * sh.md (mulsf3): Remove special expansion code.
672 (mulsf3_ie): Now a define_insn_and_split.
673 (macsf3): Allow for TARGET_SH4.
675 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
676 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
677 (expand_cbranchdi4): Likewise.
678 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
679 CONST_DOUBLE if the outer code is COMPARE.
680 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
681 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
682 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
683 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
684 Remove redundant fp_{zero,one}_operand checks.
685 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
686 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
687 (expand_cbranchdi4): Likewise.
688 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
689 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
691 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
693 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
696 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
698 * doc/invoke.texi: Fix mfp-trap-mode typo.
700 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
702 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
703 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
704 file_end_indicate_exec_stack.
705 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
707 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
708 for a non-executable stack.
709 * crti.asm: Likewise.
710 * crtn.asm: Likewise.
711 * libunwind.S: Likewise.
713 2006-11-02 Ben Elliston <bje@au.ibm.com>
715 * tree-ssa.c (warn_uninit): Use expand_location variables for
716 locus and declaration locus.
718 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
721 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
722 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
723 cmp{eq,gt,gtu}{si,di}_media.
724 (*cmpne0si_media): Remove.
725 (*movsicc_umin): Adjust gen_cmp*_media call.
726 (unordered): Change the mode of unordered and operands[1] to
728 (seq): Adjust gen_cmp*_media calls. Make the mode of
729 a temporary result of compare SImode if needed. If the mode
730 of operands[0] is DImode, extend the temporary result to DImode.
731 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
732 (sunorderd): Change the mode of match_operand and unorderd to
734 (cmpeq{sf,df}_media): Remove.
735 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
736 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
737 and compare operation to SImode.
739 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
741 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
743 (sparc64-sun-solaris2*): Likewise.
745 2006-11-02 Paul Brook <paul@codesourcery.com>
747 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
748 from priority argument. Use different section for non-default
750 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
752 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
755 * except.c (switch_to_exception_section): Do not cache the section
756 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
757 and flag_function_sections is set.
759 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
762 * builtins.c (do_mpfr_sincos): New.
763 (fold_builtin_1): Use it to fold builtin sincos.
765 2006-11-01 Roger Sayle <roger@eyesopen.com>
767 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
768 it into -D_REENTRANT.
770 2006-11-01 Roger Sayle <roger@eyesopen.com>
772 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
773 whether the assembler supports taking the difference of symbols in
774 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
775 * configure: Regenerate.
776 * config.in: Regenerate.
777 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
778 the assembler doesn't support taking the difference of symbols in
779 different sections, i.e. we're using the native solaris assembler.
781 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
782 Peter Bergner <bergner@vnet.ibm.com>
784 * doc/invoke.texi: Add cpu_type power6x
785 (RS/6000 and PowerPC Options): Add -mmfpgpr.
786 * config.gcc: Add cpu_type power6x.
787 * configure.ac: Add test for mf{t,f}gpr instructions.
788 (HAVE_AS_MFPGPR): New.
789 * config.in: Regenerate.
790 * configure: Regenerate.
791 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
792 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
793 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
794 and mftgpr attributes.
795 (define_attr "cpu"): Add power6.
796 Change instruction sequences to use new attributes.
797 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
798 (fix_truncdfsi2_mfpgpr): New.
799 (floatsidf_ppc64_mfpgpr): New.
800 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
801 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
802 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
803 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
804 (fix_truncdfsi2): Use gpc_reg_operand constraint.
805 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
806 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
807 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
808 cntlz,exts and var_delayed_compare.
809 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
810 _ARCH_PWR6X, if features enabled.
811 * config/rs6000/rs6000.opt (mmfpgpr): New.
812 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
813 (cached_can_issue_more): New variable.
814 (processor_costs): Add power6_cost.
815 (rs6000_sched_init): New function.
816 (is_dispatch_slot_restricted): Deleted.
817 (set_to_load_agen): New function.
818 (is_load_insn,is_store_insn): New functions.
819 (adjacent_mem_locations): New function.
820 (insn_must_be_first_in_group): New function.
821 (insn_must_be_last_in_group): New function.
822 (rs6000_sched_reorder): New function.
823 (rs6000_sched_reorder2): New function.
824 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
825 TARGET_SCHED_REORDER2): Define.
826 (processor_target_table): Use PROCESSOR_POWER6 for power6.
827 Add power6x. Add MASK_MFPGPR for power6x.
828 (POWERPC_MASKS): Add MASK_MFPGPR.
829 (rs6000_override_options): Set rs6000_always_hint to false
830 for power6. Set rs6000_align_branch_targets. Replace
831 rs6000_sched_groups check with rs6000_align_branch_targets.
832 Use PROCESSOR_POWER6.
833 (last_scheduled_insn): New variable.
834 (load_store_pendulum): New variable.
835 (rs6000_variable_issue): Set last_scheduled_insn and
836 cached_can_issue_more.
837 (rs6000_adjust_cost): Add power6 cost adjustments.
838 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
839 with insn_must_be_first_in_group. Add power6 priority adjustments.
840 (rs6000_issue_rate): Add CPU_POWER6.
841 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
842 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
843 (TARGET_MFPGPR): New.
844 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
845 (ASM_CPU_SPEC): Add power6x.
846 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
848 * config/rs6000/power6.md: New file.
850 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
852 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
853 HOST_WIDE_INT_PRINT to print high and low parts. Use
854 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
855 printing a hexadecimal number prefix it with 0x.
857 2006-11-01 Chris Johns <chris@contemporary.net.au>
860 * Makefile.in (install-driver): Use exeext when installing
861 $target-gcc-$version.
863 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
865 * c-common.c (flag_cpp0x): New.
866 * c-common.h (flag_cpp0x): New.
867 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
868 supported, define __GXX_EXPERIMENTAL_CPP0X__.
869 * c-opts.c (set_std_cxx0x): New.
870 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
871 * c.opt (std=c++0x): Document.
872 (std=gnu++0x): Ditto.
873 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
874 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
876 2006-11-01 Richard Guenther <rguenther@suse.de>
878 * config/i386/i386.c (ix86_expand_rint): Fix issues with
880 (ix86_expand_floorceildf_32): Likewise.
881 (ix86_expand_floorceil): Likewise.
882 (ix86_expand_trunc): Likewise.
884 2006-10-31 Andrew Pinski <pinskia@gmail.com>
886 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
889 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
891 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
893 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
895 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
897 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
898 * configure.ac (use_cxa_atexit): As a special case, don't test
899 for libc definition of __cxa_atexit on mingw32
900 * configure: Regenerate.
901 * config.gcc (i[34567]86-pc-mingw32): Default to
902 enable__cxa_atexit=yes.
904 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
906 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
908 2006-10-31 Geoffrey Keating <geoffk@apple.com>
911 * c-decl.c (start_struct): Don't create self-containing
913 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
915 * config/rs6000/rs6000-protos.h
916 (darwin_rs6000_special_round_type_align): New.
917 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
918 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
920 2006-10-31 Geoffrey Keating <geoffk@apple.com>
922 * toplev.c (compile_file): Call final_write_globals
923 even if there have been errors.
925 2006-10-31 Eric Christopher <echristo@apple.com>
926 Falk Hueffner <falk@debian.org>
928 * doc/extend.texi (__builtin_bswap32): Document.
929 (__builtin_bswap64): Ditto.
930 * doc/libgcc.texi (bswapsi2): Document.
932 * doc/rtl.texi (bswap): Document.
933 * optabs.c (expand_unop): Don't widen a bswap.
934 (init_optabs): Init bswap. Set libfuncs explicitly
935 for bswapsi2 and bswapdi2.
936 * optabs.h (OTI_bswap): New.
937 (bswap_optab): Ditto.
938 * genopinit.c (optabs): Handle bswap_optab.
939 * tree.h (tree_index): Add TI_UINT32_TYPE and
941 (uint32_type_node): New.
942 (uint64_type_node): Ditto.
943 * tree.c (build_common_tree_nodes_2): Initialize
944 uint32_type_node and uint64_type_node.
945 * builtins.c (expand_builtin_bswap): New.
946 (expand_builtin): Call.
947 (fold_builtin_bswap): New.
948 (fold_builtin_1): Call.
949 * fold-const.c (tree_expr_nonnegative_p): Return true
951 * builtin-types.def (BT_UINT32): New.
953 (BT_FN_UINT32_UINT32): Ditto.
954 (BT_FN_UINT64_UINT64): Ditto.
955 * builtins.def (BUILT_IN_BSWAP32): New.
956 (BUILT_IN_BSWAP64): Ditto.
957 * rtl.def (BSWAP): New.
958 * genattrtab.c (check_attr_value): New.
959 * libgcc2.c (__bswapSI2): New.
961 * libgcc2.h (__bswapSI2): Declare.
963 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
964 * simplify-rtx.c (simplify_const_unary_operation): Return
966 * libgcc-std.ver (__bwapsi2): Add.
968 * reload1.c (eliminate_regs_1): Add bswap.
969 (elimination_effects): Ditto.
970 * config/i386/i386.h (x86_bswap): New.
972 * config/i386/i386.c (x86_bswap): Set.
974 2006-10-31 Geoffrey Keating <geoffk@apple.com>
976 * coverage.c (coverage_checksum_string): Update comment.
977 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
978 of get_file_function_name.
979 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
980 of get_file_function_name_long.
981 * tree.c (get_file_function_name): Rename from
982 get_file_function_name_long; improve comment; handle 'I' and 'D'
983 specially when the target has ctor/dtor support; remove special
985 (get_file_function_name): Remove.
986 * tree.h (get_file_function_name): Rename from
987 get_file_function_name_long.
988 (get_file_function_name): Remove prototype.
990 2006-10-31 Geoffrey Keating <geoffk@apple.com>
992 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
993 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
995 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
996 Call dsymutil when compiling and linking one or more source files
999 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1002 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1004 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1006 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1007 inline static functions in c99 mode.
1010 * doc/extend.texi (Inline): Update.
1011 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1012 * c-decl.c (current_extern_inline): Delete.
1013 (pop_scope): Adjust test for an undefined nested function.
1014 Add warning about undeclared inline function.
1015 (diagnose_mismatched_decls): Update comments. Disallow overriding
1016 of inline functions in a translation unit in C99. Allow inline
1017 declarations in C99 at any time.
1018 (merge_decls): Boolize variables. Handle C99 'extern inline'
1020 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1021 C99 inline semantics.
1022 (start_function): Don't clear current_extern_inline. Don't set
1024 (c_push_function_context): Don't push current_extern_inline.
1025 (c_pop_function_context): Don't restore current_extern_inline.
1028 * c-typeck.c (build_external_ref): Warn about static variables
1029 used in extern inline functions.
1030 * c-decl.c (start_decl): Warn about static variables declared
1031 in extern inline functions.
1033 2006-10-31 Roger Sayle <roger@eyesopen.com>
1036 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1037 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1038 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1039 or y is an even integer.
1041 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1044 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1045 * gthr-posix95.h (__gthread_active_p): Likewise.
1047 2006-10-31 Richard Guenther <rguenther@suse.de>
1049 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1050 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1051 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1052 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1053 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1054 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1055 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1056 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1059 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1061 * opts.c (decode_options): Disable CSE skip blocks.
1063 2006-10-30 Dirk Mueller <dmueller@suse.de>
1065 * c-common.h (strict_aliasing_warning): Fix whitespace.
1066 * c-decl (start_function): Move code for main decl warning ..
1067 * c-common.c (check_main_parameter_types): .. here.
1068 * c-common.h (check_main_parameter_types): Declare.
1070 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1073 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1075 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1077 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1078 be a PARALLEL containing sets. Return false when out_pat is not
1081 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1083 * config/mips/mips.md (mul<mode>3): Split into...
1084 (mulsi3, muldi3): ...these separate patterns.
1086 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1088 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1089 but with each set of options separated by spaces.
1091 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1093 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1094 dwarf_reg_size_table has been initialized.
1096 2006-10-30 Roger Sayle <roger@eyesopen.com>
1098 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1099 * ddg.c (print_ddg_edge): Likewise.
1100 * dwarf2out.c (prune_unused_types_walk): Likewise.
1101 * ifcvt.c (noce_try_cmove_arith): Likewise.
1102 * langhooks.c (add_builtin_function): Likewise.
1103 * reg-stack.c (subst_stack_regs_pat): Likewise.
1104 * tree.c (expanded_location): Likewise.
1105 * tree-dump.c (dequeue_and_dump): Likewise.
1107 2006-10-30 David Daney <ddaney@avtrex.com>
1109 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1111 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1113 PR tree-optimization/29637
1114 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1115 of the innertype is the innertype itself.
1117 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1119 * dwarf2out.c (file_name_acquire): Correct typo.
1121 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1123 * tree.h (tree_value_handle): Remove struct value_set declaration.
1124 Change value_set to bitmap_set.
1125 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1126 * tree-vn.c (get_value_handle): Made inline and moved to
1128 * tree-flow-inline.h: (has_stmt_ann): New function.
1129 * tree-ssa-pre.c (expressions): New variable.
1130 (next_expression_id): Ditto.
1131 (alloc_expression_id): New function.
1132 (struct value_set): Remove.
1133 (get_expression_id): New function.
1134 (get_or_alloc_expression_id): Ditto.
1135 (expression_for_id): Ditto.
1136 (clear_expression_ids): Ditto.
1137 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1138 (bb_value_sets): Renamed to bb_bitmap_sets.
1139 All value sets replaced with bitmap_sets.
1141 (BB_VISITED): New macro.
1142 (postorder): New variable.
1143 (add_to_value): Removed.
1144 (value_exists_in_set_bitmap): Ditto.
1145 (value_insert_into_set_bitmap): Ditto.
1148 (set_remove): Ditto.
1149 (set_contains_value): Ditto.
1150 (insert_into_set): Ditto.
1152 (find_leader): Ditto.
1153 (bitmap_set_subtract_from_value_set): Ditto.
1154 (value_insert_into_set): Ditto.
1155 (print_value_set): Ditto.
1156 (debug_value_set): Ditto.
1157 (constant_expr_p): New function.
1158 (bitmap_remove_from_set): Ditto.
1159 (bitmap_insert_into_set): Ditto.
1160 (bitmap_set_free): Ditto.
1161 (vh_compare): Ditto.
1162 (sorted_array_from_bitmap_set): Ditto.
1163 (bitmap_set_subtract): Ditto.
1164 (bitmap_set_equal): Ditto.
1165 (debug_bitmap_set): Ditto.
1166 (find_leader_in_sets): Ditto.
1167 (bitmap_set_replace_value): Modify for bitmapped sets.
1168 (phi_translate): Ditto.
1169 (phi_translate_set): Ditto.
1170 (bitmap_find_leader): Ditto.
1171 (valid_in_sets): Ditto.
1172 (union_contains_value): Ditto.
1174 (compute_antic_aux): Ditto. Mark changed blocks.
1175 (compute_antic): Ditto. Iterate in postorder and only over
1177 (compute_rvuse_and_antic_safe): Reuse postorder.
1178 (create_component_ref_by_pieces): Modify for bitmapped sets.
1179 (find_or_generate_expression): Ditto.
1180 (create_expression_by_pieces): Ditto.
1181 (insert_into_preds_of_block): Ditto.
1182 (changed_blocks): New variable.
1183 (do_regular_insertion): Broken out from insert_aux.
1184 (insert_aux): Modified for bitmapped sets.
1185 (find_existing_value_expr): New function.
1186 (create_value_expr_from): Use it.
1187 (insert_extra_phis): Removed.
1188 (print_bitmap_set): Renamed from bitmap_print_value_set.
1189 (compute_avail): Handle RETURN_EXPR.
1190 (init_pre): Modify for bitmapped sets.
1191 * tree-flow.h (has_stmt_ann): New function.
1193 2006-10-29 Roger Sayle <roger@eyesopen.com>
1195 * builtins.c (fold_builtin_floor): Check for the availability of
1196 the C99 trunc function before transforming floor into trunc.
1198 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1200 * builtins.c (fold_builtin_hypot): Rearrange recursive
1201 transformation before others, and also do ABS_EXPR. When
1202 necessary, check flag_unsafe_math_optimizations. When necessary,
1205 2006-10-29 Roger Sayle <roger@eyesopen.com>
1207 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1208 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1209 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1210 Fold -X eq/ne -Y as X eq/ne Y.
1212 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1214 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1215 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1216 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1217 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1218 Use an inclusive test for "mult" rather than "mul".
1219 (rotr<mode>3): Depend on ISA_HAS_ROR.
1220 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1222 (GENERATE_MULT3_DI): Delete.
1223 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1224 (ISA_HAS_MUL3): New macro.
1225 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1226 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1227 (ISA_HAS_CLZ_CLO): Likewise.
1228 (ISA_HAS_DCLZ_DCLO): Delete.
1229 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1230 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1231 the VR4120 and VR4130.
1232 (ISA_HAS_MACCHI): Use consistent formatting.
1233 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1234 (ISA_HAS_ROR): ...this new macro.
1235 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1236 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1237 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1239 2006-10-29 Roger Sayle <roger@eyesopen.com>
1241 PR tree-optimization/15458
1242 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1245 2006-10-29 Richard Guenther <rguenther@suse.de>
1247 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1248 (ix86_expand_truncdf_32): Likewise.
1249 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1250 trunc inline for SSE math and -fno-trapping-math and if not
1251 optimizing for size.
1252 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1253 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1254 for expanding btrunc inline for SSE math.
1256 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1258 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1259 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1260 i[34567]86-*-solaris2.1[0-9]*.
1261 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1262 Define conditionally depending on TARGET_64BIT_DEFAULT.
1263 (SPEC_32, SPEC_64): Define.
1264 (LINK_SPEC): Use them.
1265 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1267 2006-10-29 Richard Guenther <rguenther@suse.de>
1269 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1270 (ix86_expand_rounddf_32): Likewise.
1271 * config/i386/i386.c (ix86_expand_round): New function expanding
1272 round inline for SSE math and -fno-trapping-math and if not
1273 optimizing for size.
1274 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1275 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1276 round via ix86_expand_round.
1278 2006-10-29 Richard Guenther <rguenther@suse.de>
1280 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1281 (ix86_expand_floorceildf_32): Likewise.
1282 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1283 static helper function.
1284 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1286 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1287 * config/i386/i386.md (floordf2): Adjust to enable floor
1288 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1289 -fno-trapping-math is enabled and if not optimizing for size.
1290 (floorsf2, ceildf2, ceilsf2): Likewise.
1291 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1292 (sse2_maskcmpdf3): Likewise.
1294 2006-10-29 Richard Guenther <rguenther@suse.de>
1296 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1297 rint in case -fno-trapping-math is enabled.
1298 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1299 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1300 (ix86_expand_sse_fabs): Likewise.
1301 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1302 * config/i386/i386.md (rintdf2): Enable for SSE math if
1303 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1304 (rintsf2): Likewise.
1306 2006-10-29 Richard Guenther <rguenther@suse.de>
1308 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1309 to conversion optabs.
1310 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1311 as conversion optab.
1312 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1313 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1314 (lfloor_optab, lceil_optab): Adjust defines.
1315 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1316 lfloor and lceil optabs now being conversion optabs.
1317 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1318 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1319 New static helper function.
1320 (ix86_expand_lfloorceil): New function to expand lfloor and
1322 * config/i386/i386.md (lfloor<mode>2): Split into ...
1323 (lfloorxf<mode>2): ... x87 variant
1324 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1325 using ix86_expand_lfloorceil.
1326 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1328 * doc/md.texi (lfloorMN, lceilMN): Document.
1330 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1332 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1333 -mno-shared assembler option on mips targets.
1334 * configure, config.in: Regenerate.
1335 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1336 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1337 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1339 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1341 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1342 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1344 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1346 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1347 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1350 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1353 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1354 (fold_builtin_pow): Evaluate constant arguments at compile-time
1356 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1357 (do_mpfr_ckconv): New helper function.
1358 (do_mpfr_arg1): Use do_mpfr_ckconv.
1359 (do_mpfr_arg2): New.
1361 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1364 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1365 (-fdump-rtl-sched): Rename to ..
1366 (-fdump-rtl-sched1): here. Also fix file extension number.
1368 2006-10-28 Richard Guenther <rguenther@suse.de>
1370 * fold-const.c (maybe_canonicalize_comparison): Fix code
1373 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1375 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1376 (NON_QI_REG_P): Use IN_RANGE.
1377 (REX_INT_REGNO_P): Use IN_RANGE.
1378 (FP_REGNO_P): Use IN_RANGE.
1379 (SSE_REGNO_P): Use IN_RANGE.
1380 (REX_SSE_REGNO_P): Use IN_RANGE.
1381 (MMX_REGNO_P): Use IN_RANGE.
1382 (STACK_REGNO_P): New macro.
1383 (STACK_REG_P): Use STACK_REGNO_P.
1384 (NON_STACK_REG_P): Use STACK_REGNO_P.
1385 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1386 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1387 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1388 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1389 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1391 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1393 * except.h (output_function_exception_table): Add 'const char*' param.
1394 * except.c (switch_to_exception_section): Add 'const char*' param.
1395 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1396 and flag_function_sections is set, use a function-specific section.
1397 (output_function_exception_table): Add 'const char*' param.
1398 Adjust call to switch_to_exception_section.
1399 * final.c (rest_of_handle_final): Adjust calls to
1400 output_function_exception_table.
1401 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1402 * config.in: Regenerate.
1403 * configure: Likewise.
1405 2006-10-28 Richard Guenther <rguenther@suse.de>
1408 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1409 for maybe_canonicalize_comparison.
1410 (maybe_canonicalize_comparison): New function for canonicalizing
1412 (fold_comparison): Call it to canonicalize comparisons with
1415 2006-10-28 Richard Guenther <rguenther@suse.de>
1418 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1419 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1420 (expand_builtin): Adjust likewise.
1421 * genopinit.c (optabs[]): Add lround optab.
1422 * optabs.c (init_optabs): Initialize lround_optab.
1423 * optabs.h (enum convert_optab_index): Add COI_lround.
1424 (lround_optab): Define.
1425 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1426 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1428 (ix86_expand_lround): New function.
1429 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1431 * doc/md.texi (lroundMN2): Document.
1433 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1436 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1437 argument to HOST_WIDE_INT. Update function prototype.
1438 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1439 "size" argument to HOST_WIDE_INT. Update function prototype.
1441 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1443 * config/i386/i386.c (output_387_ffreep): Create output from a
1444 template string for !HAVE_AS_IX86_FFREEP.
1446 2006-10-27 Eric Christopher <echristo@apple.com>
1448 * config/darwin.c: Fix formatting and grammar.
1450 2006-10-27 Jan Hubicka <jh@suse.cz>
1452 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1453 to be thrown away soon when IGNORE is set.
1454 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1455 indicating when return value shall not be computed.
1456 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1458 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1460 * config/i386/i386.h (TARGET_GEODE):
1461 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1462 (TARGET_CPU_DEFAULT_geode): New macro.
1463 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1464 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1465 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1466 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1467 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1469 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1470 (processor_type): Add PROCESSOR_GEODE.
1472 * config/i386/i386.md: Include geode.md.
1475 * config/i386/i386.c (geode_cost): New initialized global
1477 (m_GEODE, m_K6_GEODE): New macros.
1478 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1479 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1480 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1481 x86_schedule): Use m_K6_GEODE instead of m_K6.
1482 (x86_movx, x86_cmove): Set up m_GEODE.
1483 (x86_integer_DFmode_moves): Clear m_GEODE.
1484 (processor_target_table): Add entry for geode.
1485 (processor_alias_table): Ditto.
1487 * config/i386/geode.md: New file.
1489 * doc/invoke.texi: Add entry about geode processor.
1491 2006-10-27 Mike Stump <mrs@apple.com>
1493 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1494 __DYNAMIC__ from here back to ...
1495 * config/darwin.h (CPP_SPEC): ... here.
1497 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1498 Nathan Sidwell <nathan@codesourcery.com>
1500 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1501 when choosing the minimum heapsize.
1503 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1505 * gcc/unwind-dw2.h: Move cfa-related variables into
1506 struct frame_state_reg_info to ensure that the CFA is properly
1507 handled when executing DW_CFA_{remember,restore}_state.
1508 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1509 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1510 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1511 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1512 gcc/config/rs6000/linux-unwind.h,
1513 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1514 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1515 Modify to use new cfa_* fields.
1517 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1519 * config/s390/s390.c (s390_init_frame_layout): Check positive
1522 2006-10-26 Ben Elliston <bje@au.ibm.com>
1524 * gimplify.c (get_name): Remove extraneous break.
1525 (gimplify_omp_for): Initialise ret with GS_OK.
1527 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1529 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1530 Add unix98.o to link line.
1532 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1535 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1536 Calculate compile-time constants using MPFR.
1537 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1538 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1540 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1542 * config/xtensa/lib2funcs.S: Use C-style comments.
1544 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1546 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1547 (file_table_relative_p): Likewise.
1548 (dwarf2out_finish): Likewise.
1549 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1551 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1553 * tree-ssa-structalias.c (intra_create_variable_infos):
1554 Don't recreate nonlocal_all if it already exists.
1556 2006-10-25 Richard Guenther <rguenther@suse.de>
1559 * optabs.h (enum optab_index): Remove OTI_lrint.
1560 (enum convert_optab_index): Add COI_lrint.
1561 (lrint_optab): Adjust.
1562 (expand_sfix_optab): Declare.
1563 * optabs.c (expand_sfix_optab): New function.
1564 (init_optabs): Init lrint_optab as conversion optab.
1565 * genopinit.c (lrint_optab): Change to a conversion optab.
1566 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1567 expansion via conversion optab.
1568 * config/i386/i386.md (*fistdi2_1): Remove
1569 flag_unsafe_math_optimizations guard.
1570 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1571 fist<mode>2_with_temp): Likewise.
1572 (lrint<mode>2): Split into...
1573 (lrintxf<mode>2): ... x87 part
1574 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1575 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1576 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1577 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1578 * doc/md.texi (lrintMN2): Document.
1580 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1583 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1584 Use inc and dec instructions for TARGET_USE_INCDEC.
1585 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1586 ("sync_double_compare_and_swap<mode>"): Likewise.
1587 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1588 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1589 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1590 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1591 ("sync_old_add<mode>"): Likewise.
1592 ("sync_lock_test_and_set<mode>"): Likewise.
1593 ("sync_lock_test_and_set<mode>"): Likewise.
1594 ("sync_add<mode>"): Likewise.
1595 ("sync_sub<mode>"): Likewise.
1596 ("sync_ior<mode>"): Likewise.
1597 ("sync_and<mode>"): Likewise.
1598 ("sync_xor<mode>"): Likewise.
1600 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1602 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1603 (remainder_optab): Define corresponding macro.
1604 (drem_optab): Remove.
1605 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1606 drem_optab initialization.
1607 * genopinit.c (optabs): Implement remainder_optab using
1608 remainder?f3 patterns. Remove drem_optab.
1609 * builtins.c (expand_builtin_mathfn_2): Handle
1610 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1611 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1612 expand_builtin_mathfn_2.
1614 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1615 depend on flag_unsafe_math_optimizations.
1617 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1618 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1619 Do not depend on flag_unsafe_math_optimizations. Use
1620 truncxf?f expander instead of truncxf?f_i387_noop.
1622 ("fpremxf4", "fprem1xf4"): Do not depend on
1623 flag_unsafe_math_optimizations.
1624 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1625 flag_unsafe_math_optimizations. Use truncxf?f expander
1626 instead of truncxf?f_i387_noop.
1628 * doc/md.texi (fmod, remainder): Document standard named pattern.
1630 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1631 David Daney <ddaney@avtrex.com>
1634 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1636 2006-10-25 Ben Elliston <bje@au.ibm.com>
1638 * doc/extend.texi (Variable Attributes): Typo fix.
1640 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1642 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1643 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1644 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1645 (FRAME_POINTER_REGNUM): Update register number to 21.
1646 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1647 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1649 * config/i386/i386.c (regclass_map): Add fpcr entry.
1650 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1652 (print_reg): Assert REGNO (x) != FPCR_REG.
1654 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1655 (DIRFLAG_REG): Renumber.
1656 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1657 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1658 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1659 hardcoded SSE register numbers.
1661 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1662 hardcoded MMX register numbers.
1664 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1667 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1668 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1670 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1671 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1672 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1673 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1675 2006-10-24 Richard Guenther <rguenther@suse.de>
1678 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1679 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1680 for deciding optimizations in consistency with fold-const.c
1681 (fold_builtin_unordered_cmp): Likewise.
1683 2006-10-24 Richard Guenther <rguenther@suse.de>
1685 * builtins.c (fold_builtin_floor): Fold floor (x) where
1686 x is nonnegative to trunc (x).
1687 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1688 nonnegative to FIX_TRUNC_EXPR.
1690 2006-10-24 Richard Guenther <rguenther@suse.de>
1692 PR tree-optimization/29567
1693 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1694 for TRUTH_NOT_EXPR. Clarify comments.
1696 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1699 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1700 at compile-time using MPFR. Change parameter VALUE to FUNC,
1702 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1703 for overflow and underflow at all times and avoid folding in
1706 2006-10-24 Ben Elliston <bje@au.ibm.com>
1708 * reload1.c: Formatting fixes.
1710 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1712 PR tree-optimization/14784
1713 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1714 * tree-ssa-structalias.c (get_constraint_for,
1715 intra_create_variable_infos): Set is_heapvar.
1716 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1717 non-heapvar pointer variables specially.
1719 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1722 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1723 fold_builtin_tan): Fold all constant arguments. Take a "type"
1724 argument as necessary.
1725 (do_mpfr_arg1): New.
1726 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1728 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1730 * config/xtensa/lib1funcs.asm: Use C-style comments.
1732 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1734 * tree.c (local_define_builtin): Replace calls to
1735 lang_hooks.builtin_function with add_builtin_function.
1736 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1738 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1740 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1741 common code to add_builtin_function.
1742 * langhooks.c (add_builtin_function): New function.
1743 (lhd_builtin_function): New function.
1744 * langhooks.h (struct lang_hooks): Change the signature of
1746 (add_builtin_function): New function.
1747 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1748 calls to lang_hooks.builtin_function with add_builtin_function.
1749 * c-common.c (decl_builtin_1): Replace calls to
1750 lang_hooks.builtin_function with add_builtin_function.
1751 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1752 lang_hooks.builtin_function with add_builtin_function.
1753 * config/frv/frv.c (def_builtin): Replace calls to
1754 lang_hooks.builtin_function with add_builtin_function.
1755 * config/s390/s390.c (s390_init_builtins): Replace calls to
1756 lang_hooks.builtin_function with add_builtin_function.
1757 * config/sparc/sparc.c (def_builtin): Replace calls to
1758 lang_hooks.builtin_function with add_builtin_function.
1759 * config/i386/i386.c (def_builtin): Replace calls to
1760 lang_hooks.builtin_function with add_builtin_function.
1761 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1762 lang_hooks.builtin_function with add_builtin_function.
1763 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1764 lang_hooks.builtin_function with add_builtin_function.
1765 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1766 Replace calls to lang_hooks.builtin_function with
1767 add_builtin_function.
1768 * config/iq2000/iq2000.c (def_builtin):
1769 Replace calls to lang_hooks.builtin_function with
1770 add_builtin_function.
1771 * config/ia64/ia64.c (def_builtin): Replace calls to
1772 lang_hooks.builtin_function with add_builtin_function.
1773 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1774 lang_hooks.builtin_function with add_builtin_function.
1775 (altivec_init_builtins): Replace calls to
1776 lang_hooks.builtin_function with add_builtin_function.
1777 * config/arm/arm.c (def_mbuiltin): Replace calls to
1778 lang_hooks.builtin_function with add_builtin_function.
1779 (arm_init_tls_builtins): Replace calls to
1780 lang_hooks.builtin_function with add_builtin_function.
1781 * config/mips/mips.c (mips_init_builtins): Replace calls to
1782 lang_hooks.builtin_function with add_builtin_function.
1783 * config/bfin/bfin.c (def_builtin): Replace calls to
1784 lang_hooks.builtin_function with add_builtin_function.
1785 * langhooks-def.h (lhd_builtin_function): New function.
1786 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1788 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1790 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1791 BUILT_IN_STRNCAT_CHK.
1793 2006-10-23 Jan Hubicka <jh@suse.cz>
1795 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1796 don't do conversion from memmove to memcpy here.
1797 (expand_builtin_bcopy, expand_builtin): Update call of
1798 expand_builtin_memmove.
1799 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1801 2006-10-23 Paul Brook <paul@codesourcery.com>
1803 * stor-layout.c (start_record_layout): maximum_field_alignment
1804 overrides STRUCTURE_SIZE_BOUNDARY.
1806 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1808 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1809 nonlocal function symbols if flag_pic.
1811 2006-10-23 Richard Guenther <rguenther@suse.de>
1815 * builtins.c (fold_binary): Remove checks for flag_wrapv
1816 and flag_trapv where negate_expr_p covers these cases.
1818 2006-10-23 Richard Guenther <rguenther@suse.de>
1821 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1822 of two on the absolute value.
1823 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1824 and negating -C does not overflow.
1826 2006-10-23 Richard Guenther <rguenther@suse.de>
1829 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1830 only if not flag_rounding_math.
1832 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1833 Kaz Kojima <kkojima@gcc.gnu.org>
1836 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1837 SImode memory reference for the source of a movua.
1838 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1839 (movua): Use an unspec instead of sign_extract. Expect the source
1840 to have mode BLKmode.
1841 (extv, insv): Use a BLKmode rather than SImode memory reference
1842 for the source of a movua.
1844 2006-10-22 Jeff Law <law@redhat.com>
1845 Richard Guenther <rguenther@suse.de>
1847 PR tree-optimization/15911
1848 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1849 (register_edge_assert_for_1): Likewise.
1850 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1851 (find_conditional_asserts): Adjust for new function signature.
1852 (find_assert_locations): Likewise.
1854 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1856 * config/i386/tmmintrin.h: Remove the duplicated content.
1858 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1860 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1861 (x86_64-*-*): Likewise.
1863 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1864 (override_options): Check SSSE3.
1865 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1866 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1867 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1868 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1869 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1870 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1871 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1872 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1873 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1874 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1875 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1876 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1877 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1878 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1879 IX86_BUILTIN_PABSD128.
1880 (bdesc_2arg): Add SSSE3.
1881 (bdesc_1arg): Likewise.
1882 (ix86_init_mmx_sse_builtins): Support SSSE3.
1883 (ix86_expand_builtin): Likewise.
1884 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1886 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1887 (UNSPEC_PSIGN): Likewise.
1888 (UNSPEC_PALIGNR): Likewise.
1889 Include mmx.md before sse.md.
1891 * config/i386/i386.opt: Add -mssse3.
1893 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1894 (ssse3_phaddwv4hi3): Likewise.
1895 (ssse3_phadddv4si3): Likewise.
1896 (ssse3_phadddv2si3): Likewise.
1897 (ssse3_phaddswv8hi3): Likewise.
1898 (ssse3_phaddswv4hi3): Likewise.
1899 (ssse3_phsubwv8hi3): Likewise.
1900 (ssse3_phsubwv4hi3): Likewise.
1901 (ssse3_phsubdv4si3): Likewise.
1902 (ssse3_phsubdv2si3): Likewise.
1903 (ssse3_phsubswv8hi3): Likewise.
1904 (ssse3_phsubswv4hi3): Likewise.
1905 (ssse3_pmaddubswv8hi3): Likewise.
1906 (ssse3_pmaddubswv4hi3): Likewise.
1907 (ssse3_pmulhrswv8hi3): Likewise.
1908 (ssse3_pmulhrswv4hi3): Likewise.
1909 (ssse3_pshufbv16qi3): Likewise.
1910 (ssse3_pshufbv8qi3): Likewise.
1911 (ssse3_psign<mode>3): Likewise.
1912 (ssse3_psign<mode>3): Likewise.
1913 (ssse3_palignrti): Likewise.
1914 (ssse3_palignrdi): Likewise.
1915 (abs<mode>2): Likewise.
1916 (abs<mode>2): Likewise.
1918 * config/i386/tmmintrin.h: New file.
1920 * doc/extend.texi: Document SSSE3 built-in functions.
1922 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1924 2006-10-22 Ira Rosen <irar@il.ibm.com>
1926 * tree-vect-transform.c (vectorizable_load): Use the type of the
1927 return value of the mask_for_load builtin to create realign_load
1930 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1932 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1935 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1937 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1938 (UNSPEC_LDDQU): This.
1939 * config/i386/sse.md (sse3_lddqu): Updated.
1941 2006-10-21 Richard Guenther <rguenther@suse.de>
1943 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1944 (expand_builtin): Use it to expand lrint instead of
1945 expand_builtin_mathfn.
1947 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1950 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1951 flag_unsafe_math_optimizations is set.
1953 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1956 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1957 patterns to use memory input operand in x87->mem->XMM
1958 reload sequences. Skip transformation for TARGET_K8.
1960 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1962 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1963 force operand1 to register if both operands are memory operands.
1964 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1965 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1966 if both operands are memory operands.
1967 (truncdfsf2): Do not force operand1 to register if both operands
1968 are memory operands.
1970 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1972 * Makefile.in (LIBS): Add $(GMPLIBS).
1973 * doc/install.texi: Update GMP and MPFR requirements.
1974 * doc/sourcebuild.texi (need_gmp): Delete.
1976 2006-10-21 Richard Guenther <rguenther@suse.de>
1978 PR tree-optimization/3511
1979 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1980 got new invariant arguments during PHI translation.
1982 2006-10-21 Richard Guenther <rguenther@suse.de>
1985 * fold-const.c (fold_comparison): Fold signed comparisons
1986 of the form X +- C1 CMP Y +- C2.
1988 2006-10-21 Richard Guenther <rguenther@suse.de>
1991 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1992 if flag_unsafe_math_optimizations is specified. We have
1993 flag_finite_math_only for that.
1994 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1995 or flag_unsafe_math_optimizations.
1997 2006-10-21 Richard Guenther <rguenther@suse.de>
1999 * builtins.c (fold_builtin_classify): Fix typo.
2001 2006-10-21 Richard Guenther <rguenther@suse.de>
2004 * simplify-rtx.c (simplify_const_relational_operation):
2005 Do not constant-fold ORDERED and UNORDERED for
2006 flag_unsafe_math_optimizations but only we do not need to
2007 honor NaNs for the given mode.
2009 2006-10-21 Richard Guenther <rguenther@suse.de>
2012 * config/i386/i386.c (classify_argument): Remove redundant
2013 walking of the BINFOs.
2014 (contains_128bit_aligned_vector_p): Likewise.
2016 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2018 * BASE-VER: Set to 4.3.0.
2020 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2022 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2023 (tree_decl_with_vis): Remove artificial_pta_var flag.
2024 * tree-flow.h (referenced_var_check_and_insert): Expose.
2025 (nonlocal_all): New prototype.
2026 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2027 (nonlocal_all): Make global.
2028 (nonlocal_lookup): Remove.
2029 (nonlocal_insert): Ditto.
2030 (create_nonlocal_var): Do not call nonlocal_insert.
2031 (get_nonlocal_id_for_type): Remove.
2032 (find_global_initializers): Mark new vars we find for renaming.
2033 (intra_create_variable_infos): Only create one nonlocal.
2034 (expand_nonlocal_solutions): Remove.
2035 (compute_points_to_sets): Don't call it.
2036 (ipa_pta_execute): Ditto.
2037 (init_alias_heapvars): Don't create nonlocal_for_type.
2038 (delete_alias_heapvars): Don't remove it.
2039 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2042 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2044 * doc/install.texi (Downloading GCC): Clarify mention of
2045 Fortran in the "full distribution" description.
2047 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2049 Fix PR tree-optimization/28778
2050 Fix PR tree-optimization/29156
2051 Fix PR tree-optimization/29415
2052 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2053 (tree_decl_with_vis): Add artificial_pta_var flag.
2054 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2055 pushed into callers.
2056 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2057 (nonlocal_all): Ditto.
2058 (struct variable_info): Add directly_dereferenced member.
2059 (var_escaped_vars): New variable.
2060 (escaped_vars_tree): Ditto.
2061 (escaped_vars_id): Ditto.
2062 (nonlocal_vars_id): Ditto.
2063 (new_var_info): Set directly_dereferenced.
2064 (graph_size): New variable
2065 (build_constraint_graph): Use graph_size.
2066 (solve_graph): Don't process constraints that cannot change the
2067 solution, don't try to propagate an empty solution to our
2069 (process_constraint): Set directly_dereferenced.
2070 (could_have_pointers): New function.
2071 (get_constraint_for_component_ref): Don't process STRING_CST.
2072 (nonlocal_lookup): New function.
2073 (nonlocal_insert): Ditto.
2074 (create_nonlocal_var): Ditto.
2075 (get_nonlocal_id_for_type): Ditto.
2076 (get_constraint_for): Allow results vector to be empty in the case
2077 of string constants.
2078 Handle results of calls properly.
2079 (update_alias_info): Update alias info stats on number and type of
2081 (find_func_aliases): Use could_have_pointers.
2082 (make_constraint_from_escaped): Renamed from
2083 make_constraint_to_anything, and changed to make constraints from
2085 (make_constraint_to_escaped): New function.
2086 (find_global_initializers): Ditto.
2087 (create_variable_info_for): Make constraint from escaped to any
2088 global variable, and from any global variable to the set of
2090 (intra_create_variable_infos): Deal with escaped instead of
2091 pointing to anything.
2092 (set_uids_in_ptset): Do type pruning on directly dereferenced
2094 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2095 (init_base_vars): Fix comment, and initialize escaped_vars.
2096 (need_to_solve): Removed.
2097 (find_escape_constraints): New function.
2098 (expand_nonlocal_solutions): Ditto.
2099 (compute_points_to_sets): Call find_escape_constraints and
2100 expand_nonlocal_solutions.
2101 (delete_points_to_sets): Don't fall off the end of the graph.
2102 (init_alias_heapvars): Initialize nonlocal_for_type and
2104 (delete_alias_heapvars): Free nonlocal_for_type and null out
2107 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2109 * fold-const.c (add_double): Rename to add_double_with_sign.
2110 Add 'unsigned_p' parameter and take it into account for the overflow.
2111 (mul_double): Rename to mul_double_with_sign.
2112 Add 'unsigned_p' parameter and take it into account for the overflow.
2113 (fold_div_compare): Call add_double_with_sign instead of add_double
2114 and mul_double_with_sign instead of mul_double, passing them the
2115 unsignedness of the type.
2116 * tree.h (add_double): Macroize.
2117 (add_double_with_sign): New prototype.
2118 (mul_double): Macroize.
2119 (mul_double_with_sign): New prototype.
2121 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2123 * config/score/crti.asm: New file.
2124 * config/score/crtn.asm: New file.
2125 * config/score/elf.h: New file.
2126 * config/score/mac.md: New file.
2127 * config/score/misc.md: New file.
2128 * config/score/mul-div.S: New file.
2129 * config/score/predicates.md: New file.
2130 * config/score/score7.md: New file.
2131 * config/score/score.c: New file.
2132 * config/score/score-conv.h: New file.
2133 * config/score/score.h: New file.
2134 * config/score/score.md: New file.
2135 * config/score/score-mdaux.c: New file.
2136 * config/score/score-mdaux.h: New file.
2137 * config/score/score-modes.def: New file.
2138 * config/score/score.opt: New file.
2139 * config/score/score-protos.h: New file.
2140 * config/score/score-version.h: New file.
2141 * config/score/t-score-elf: New file.
2142 * config.gcc: Add score*-*-* configurations(Update before).
2143 * doc/invoke.texi (Score Options): New section.
2144 * doc/md.texi (Score family): New section to document constraints.
2146 2006-10-19 Nick Clifton <nickc@redhat.com>
2148 * config/arm/arm.c: Fix spelling typo.
2150 2006-10-18 Tom Tromey <tromey@redhat.com>
2152 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2154 2006-10-18 Jan Hubicka <jh@suse.cz>
2157 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2160 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2162 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2163 TSI_SAME_STMT, since that's the desired entity.
2165 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2167 * config/s390/contraints.md: New file.
2168 * config/s390/s390-protos.h (s390_mem_constraint,
2169 s390_O_constraint_str, s390_N_constraint_str,
2170 s390_float_const_zero_p): Function prototypes added.
2171 * config/s390/s390.c (s390_extra_constraint_str,
2172 s390_const_double_ok_for_constraint_p,
2173 s390_const_ok_for_constraint_p): Functions removed.
2174 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2175 s390_float_const_zero_p): New functions.
2176 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2177 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2178 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2179 Macro definitions removed.
2180 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2181 s390_extra_constraint_str): Functions removed.
2183 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2184 Richard Sandiford <richard@codesourcery.com>
2187 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2188 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2190 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2192 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2193 (DWARF2_FRAME_REG_OUT): Likewise.
2194 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2195 (DWARF2_FRAME_REG_OUT): Likewise.
2197 2006-10-17 Paul Brook <paul@codesourcery.com>
2199 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2201 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2203 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2204 Standardize on "GNU Fortran" as the official name of the Fortran
2207 2006-10-16 Mike Stump <mrs@apple.com>
2209 * doc/invoke.texi (Darwin Options): Document -mkernel.
2210 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2212 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2213 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2214 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2215 (OS_MISSING_ALTIVEC): Add.
2216 * config/i386/i386.c (override_options): Add
2217 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2218 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2219 -mkernel, -static or -mdynamic-no-pic is given.
2220 (C_COMMON_OVERRIDE_OPTIONS): Add.
2221 * config/darwin.opt (fapple-kext): Add.
2223 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2224 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2226 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2227 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2228 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2229 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2230 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2231 (flag_mkernel): Add.
2232 (flag_apple_kext): Add.
2233 (TARGET_KEXTABI): Add.
2234 * config/darwin.c (darwin_handle_kext_attribute): Add.
2235 (DARWIN_VTABLE_P): Add.
2236 (darwin_binds_local_p): Add partial support for rebinding vtables
2238 (darwin_kextabi_p): Add.
2239 (darwin_override_options): Add.
2240 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2241 (darwin_kextabi_p): Add.
2242 (darwin_override_options): Add.
2243 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2244 __DYNAMIC__ and __STATIC__ here.
2246 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2248 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2249 Added mention of "make pdf" target, and Texinfo requirements for
2252 2006-10-16 DJ Delorie <dj@redhat.com>
2254 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2255 into the GOT in case we need a subreg of the address.
2257 2006-10-16 Richard Guenther <rguenther@suse.de>
2260 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2261 SSE builtin documentation. Document SSE2 builtins.
2263 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2265 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2266 symbol in the output file for non-shared links when -nostdlib or
2267 -nodefaultlibs isn't specified.
2269 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2270 posix thread support.
2272 2006-10-15 Jan Hubicka <jh@suse.cz>
2275 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2276 declared always_inline even when not inlining.
2278 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2279 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2280 Andrew Pinski <pinskia@gmail.com>
2283 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2285 2006-10-15 Jan Hubicka <jh@suse.cz>
2286 Richard Guenther <rguenther@suse.de>
2289 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2290 process_function_and_variable_attributes on all variables, including
2291 those discovered during cgraph construction phase.
2293 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2295 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2297 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2299 * config/i386/athlon.md (athlon_fist): Add fisttp.
2301 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2302 Ian Lance Taylor <ian@airs.com>
2305 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2306 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2309 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2311 * config/score/score.c, config/score/score.h: Fix comment
2314 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2317 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2320 2006-10-13 Eric Christopher <echristo@apple.com>
2322 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2324 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2327 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2328 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2329 alignment supported by 32-bit ELF.
2331 2006-10-13 Eric Christopher <echristo@apple.com>
2333 * config/darwin.c (darwin_emit_unwind_label): Strip
2334 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2336 2006-10-13 Richard Guenther <rguenther@suse.de>
2338 PR tree-optimization/29446
2339 * tree-vrp.c (fix_equivalence_set): Remove.
2340 (extract_range_from_assert): Do not call fix_equivalence_set.
2341 (debug_value_range): Print a newline.
2342 (compare_name_with_value): For equivalence sets with
2343 inconsistent value ranges conservatively bail out.
2344 (compare_names): Likewise.
2346 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2348 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2349 and MPFR for gfortran.
2351 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2353 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2354 alignment supported by 32-bit ELF.
2356 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2360 * c-typeck.c (digest_init): Always allow initializing vectors
2361 that have static storage duration with compound literals.
2362 * tree.c (build_type_attribute_qual_variant): New, based on
2363 build_type_attribute_variant.
2364 (build_type_attribute_variant): Rewrite using the former.
2365 (make_vector_type): Use build_type_attribute_qual_variant to build
2366 type variants. Use type_hash_canon on the others.
2368 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2369 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2371 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2373 2006-10-12 Jan Hubicka <jh@suse.cz>
2376 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2377 current_function_decl is set but current_function_scope is not.
2379 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2381 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2382 emit_insn to emit eh_return_internal instruction.
2383 (eh_return_internal): Explicitly set pc.
2385 2006-10-11 Richard Guenther <rguenther@suse.de>
2387 PR tree-optimization/28230
2388 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2389 to the correct place.
2391 2006-10-11 Richard Guenther <rguenther@suse.de>
2394 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2397 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2399 * configure.ac: Added pdf to "Make-hooks"
2400 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2401 targets and *.pdf file patterns in cleanup targets.
2402 * configure: Regenerated.
2404 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2406 * config/avr/predicates.md: New file.
2407 * config/avr/avr.md: Include it.
2408 (REG_SP): New constant.
2409 (peepholes): Use predicates.
2410 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2411 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2412 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2414 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2416 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2419 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2422 * builtins.c (var_decl_component_p): New function.
2423 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2424 single entry optimization to variables and components thereof.
2426 2006-10-10 Richard Guenther <rguenther@suse.de>
2428 PR rtl-optimization/29323
2429 * except.c (set_nothrow_function_flags): For functions
2430 that do not bind local bail out early.
2432 2006-10-10 Ben Elliston <bje@au.ibm.com>
2434 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2437 2006-10-09 Richard Henderson <rth@redhat.com>
2439 Revert emutls patch.
2441 2006-10-09 Richard Guenther <rguenther@suse.de>
2444 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2447 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2450 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2451 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2452 * configure: Regenerate.
2453 * config.in: Regenerate.
2455 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2457 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2459 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2461 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2462 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2463 Remove stray newline.
2465 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2467 * config/mips/mips.c (mips_classify_symbol): Do not return
2468 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2469 (mips_in_small_data_p): Tweak comments.
2471 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2473 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2475 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2477 * gimplify.c, sched-int.h: Fix comment typos.
2479 * sched-int.h: Fix comment typos.
2481 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2483 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2485 * sched-ebb.c (begin_schedule_ready): Use them.
2486 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2487 add_to_speculative_block, create_check_block_twin, speculate_insn,
2488 fix_jump_move, move_block_after_check): Ditto.
2489 * sched-rgn.c (new_ready): Ditto.
2491 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2493 PR rtl-optimization/29128
2494 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2495 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2496 allow interblock movement of speculation checks.
2498 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2501 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2502 casted to integer type.
2503 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2504 if they are significantly more expensive than [reg + index] ones.
2506 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2508 PR tree-optimization/29330
2509 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2510 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2511 on newly allocated ddrs.
2512 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2513 to VEC (loop_p, heap) pointer.
2514 (compute_data_dependences_for_loop): Adjust caller.
2515 (free_dependence_relations): Free DDR_LOOP_NEST.
2517 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2518 free DEPENDENCE_RELATIONS and DATAREFS.
2521 * builtins.c (expand_builtin_sync_operation,
2522 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2523 Use convert_to_mode to handle promoted arguments.
2525 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2527 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2529 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2531 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2533 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2535 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2536 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2537 Use <modeconstraint> instead of "r" as operand 1 constraint.
2539 2006-10-06 Olivier Hainque <hainque@adacore.com>
2541 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2542 Don't recurse on the pointed-to type.
2543 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2544 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2545 types with components of variable size.
2547 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2549 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2551 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2553 PR tree-optimization/29290
2554 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2558 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2559 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2562 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2563 the number of vector elements fill the rest with zeros.
2565 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2567 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2568 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2571 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2573 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2574 unnamed pattern into subsi3. Use correct constraints/predicates.
2575 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2576 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2578 2006-10-05 Ira Rosen <irar@il.ibm.com>
2580 * doc/loop.texi: Add data references analysis description.
2582 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2584 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2586 2006-10-04 Richard Henderson <rth@redhat.com>
2587 Jakub Jelinek <jakub@redhat.com>
2589 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2590 * builtin-types.def (BT_WORD): Make unsigned.
2591 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2592 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2593 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2594 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2595 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2596 * cgraph.c (decide_is_variable_needed): Look at force_output.
2597 Recurse for emulated tls.
2598 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2599 checks redundant with decide_is_variable_needed.
2600 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2601 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2603 * expr.c (emutls_var_address): New.
2604 (expand_expr_real_1): Expand emulated tls.
2605 (expand_expr_addr_expr_1): Likewise.
2606 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2607 * output.h (emutls_finish): Declare.
2608 * toplev.c (compile_file): Call it.
2609 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2610 address before wrapping in CONST.
2611 * varasm.c (emutls_htab, emutls_object_type): New.
2612 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2613 (get_emutls_object_name, get_emutls_object_type): New.
2614 (get_emutls_init_templ_addr, emutls_decl): New.
2615 (emutls_common_1, emutls_finish): New.
2616 (assemble_variable): When emulating tls, swap decls; generate
2617 constructor for the emutls objects.
2618 (do_assemble_alias): When emulating tls, swap decl and target name.
2619 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2621 * emutls.c: New file.
2622 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2623 tls_object for real tls.
2625 2006-10-04 Zack Weinberg <zackw@panix.com>
2627 Fix bug in constraint-check generator, reported by Rask Ingemann
2629 * genpreds.c (add_constraint): Don't remove anything from the
2631 (write_tm_constrs_h): Detect whether "op" argument is used, and
2632 mark it ARG_UNUSED if it isn't.
2633 (write_insn_const_int_ok_for_constraint): Skip the part of the
2634 expression that would test whether "op" (which is not available
2635 here) is a CONST_INT.
2637 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2640 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2642 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2644 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2645 current Leopard versions.
2646 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2648 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2650 * doc/install.texi: Fix typos.
2652 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2654 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2655 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2656 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2658 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2660 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2661 arg to be struct mach_header_64* instead.
2663 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2666 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2667 side effects after the outer expression's post side effects.
2669 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2671 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2672 comments to reflect actual behavior and relationship between
2673 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2675 * doc/c-tree.texi (Working with declarations): Fix documentation
2676 of FIELD_DECL likewise.
2678 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2681 * doc/extend.texi: Add used variable attribute description.
2683 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2686 * c.opt (Woverride-init): New.
2687 * c-opts.c (c_common_post_options): Default warn_override_init to
2689 * c-typeck.c (add_pending_init, output_init_element): Warn for
2690 overriding initializers without side effects.
2691 * doc/invoke.texi (-Woverride-init): Document.
2694 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2696 PR rtl-optimization/28096
2697 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2698 assignment has already been used as a destination earlier in the block.
2700 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2702 * builtins.c (expand_builtin_setjmp): Delete.
2703 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2704 <BUILT_IN_SETJMP_SETUP>: New case.
2705 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2706 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2707 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2708 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2709 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2710 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2711 (lower_function_body): Initialize it to false. If it is set to true
2712 at the end of the processing, emit the setjmp dispatcher.
2713 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2714 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2715 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2716 on the rhs of the assignment.
2717 (lower_builtin_setjmp): New function.
2718 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2719 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2720 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2721 to detect calls that can go to non-local labels. Use specific
2722 helper to create the abnormal edges associated with them.
2723 <MODIFY_EXPR>: Likewise.
2724 (make_abnormal_goto_edges): New function extracted from...
2725 (make_goto_expr_edges): ...here. Call it for computed gotos.
2726 (simple_goto_p): Minor tweak.
2727 (tree_can_make_abnormal_goto): New predicate.
2728 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2729 (tree_purge_dead_abnormal_call_edges): New function.
2730 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2731 (tree_purge_dead_abnormal_call_edges): Likewise.
2732 (make_abnormal_goto_edges): Likewise.
2733 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2734 Purge all dead abnormal edges if the call was in the last statement.
2735 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2736 (execute_fixup_cfg): If there are non-local labels in the function,
2737 scan the basic blocks and split them at calls that can go to non-local
2738 labels or add missing abnormal call edges. Write down the CFG in the
2740 (pass_fixup_cfg): Remove TODO_dump_func flag.
2741 * unwind-sjlj.c: Poison setjmp.
2742 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2743 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2744 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2745 (DONT_USE_BUILTIN_SETJMP): Document it.
2747 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2750 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2751 to 1 when __ppc64__ is defined.
2752 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2754 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2756 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2758 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2759 * config/ia64/unwind-hpux.c: Delete.
2761 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2763 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2764 on the element before gimplifying it, instead of punting if it is of
2767 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2769 * doc/loop.texi: New file.
2770 * doc/gccint.texi: Reference loop.texi.
2771 * Makefile.in (loop.texi): Add.
2773 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2775 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2777 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2778 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2780 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2782 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2784 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2786 * doc/install.texi: Document required versions of GMP and MPFR.
2788 2006-09-27 Paul Brook <paul@codesourcery.com>
2791 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2793 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2795 * reload1.c (alter_reg): Require the alignment of the stack slot to
2796 be at least reg_max_ref_width bytes.
2797 (scan_paradoxical_subregs): Record the largest width in
2800 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2804 * tree-nested.c (struct nesting_info): Added static_chain_added.
2805 (convert_call_expr): Set static_chain_added when adding static
2806 chain. Handle OMP_PARALLEL and OMP_SECTION.
2808 2006-09-25 Matthias Klose <doko@debian.org>
2810 * doc/invoke.texi: Add missing full stop.
2812 2006-09-25 Richard Henderson <rth@redhat.com>
2814 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2815 before cgraph_function_flags_ready.
2817 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2818 Adam Nemet <anemet@caviumnetworks.com>
2820 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2821 determine_common_wider_type): New functions.
2822 (get_computation_aff): Use them to simplify arithmetic between
2823 UBASE and CBASE if they are shortened from the same type.
2825 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2828 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2829 -2147483647 - 1 instead of 0x80000000.
2831 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2833 * flags.h (HONOR_NANS): Fix typo in comment.
2835 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2837 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2839 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2843 * tree.c (merge_attributes, attribute_list_contained): If both
2844 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2846 * c-typeck.c (comptypes_internal): Don't consider aggregates
2847 in different TUs as compatible if there one set of attributes is
2848 not a subset of the other type's attributes.
2849 (composite_type): Try harder not to create a new aggregate type.
2851 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2853 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2854 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2855 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2856 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2857 than replicating condition above.
2858 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2860 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2861 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2862 the linker by default.
2864 2006-09-22 Mike Stump <mrs@apple.com>
2866 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2869 2006-09-22 Richard Guenther <rguenther@suse.de>
2872 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2873 sort of stack variables stable.
2875 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2878 * explow.c (force_reg): Set REG_POINTER flag according to
2881 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2883 PR tree-optimization/28888
2884 * tree-if-conv.c (combine_blocks): Rewritten.
2885 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2886 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2888 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2890 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2893 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2895 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2897 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2899 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2901 2006-09-21 Roger Sayle <roger@eyesopen.com>
2904 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2905 dw_fde_current_label, to be the start of the function, i.e. the same
2906 value as dw_fde_begin.
2908 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2910 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2911 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2912 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2913 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2914 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2915 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2916 (abs<mode>2, neg<mode>2): Likewise.
2917 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2918 (*mips_abs_ps): New define_insn.
2920 2006-09-20 Josh Conner <jconner@apple.com>
2923 * calls.c (expand_call): Allow reuse of structure return stack
2926 2006-09-20 Paul Brook <paul@codesourcery.com>
2928 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2931 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2933 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2934 clean up terminology.
2936 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2939 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2940 with tablejumps in them.
2942 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2945 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2946 wrap it into TARGET_EXPR.
2948 2006-09-20 Eric Christopher <echristo@apple.com>
2950 * config/i386/i386.c (x86_fisttp): Remove.
2951 * config/i386/i386.h (x86_fisttp): Ditto.
2952 (TARGET_FISTTP): Ditto.
2954 2006-09-19 Eric Christopher <echristo@apple.com>
2956 * doc/tm.texi (OBJC_JBLEN): Describe.
2957 * config/i386/darwin.h (OBJC_JBLEN): Define.
2958 * config/rs6000/darwin.h: Ditto.
2960 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2962 PR rtl-optimization/21299
2963 * reload1.c (reload): Purge invalid ASMs in the final pass.
2965 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2968 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2969 pointers as legitimate constants.
2971 2006-09-19 Paul Brook <paul@codesourcery.com>
2974 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2976 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2978 PR tree-optimization/28887
2979 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2980 component parts from the reference.
2981 (gather_memory_references_ref): Record the reference without the
2982 nonaddressable component parts.
2984 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2987 * c-opts.c (c_common_handle_option): Ignore the -std options
2988 if the input language is assembly.
2990 2006-09-17 Ira Rosen <irar@il.ibm.com>
2993 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2995 (ptr_ptr_may_alias_p): Likewise.
2996 (record_record_differ_p): New function.
2997 (base_object_differ_p): Call record_record_differ_p.
2999 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3002 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3003 away for the expr argument.
3005 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3008 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3009 before using it for dumping after vectorizing loops.
3011 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3012 Jack Howarth <howarth@bromo.med.uc.edu>
3015 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3016 skip on error_mark_node.
3017 (rs6000_darwin64_record_arg_recurse): Likewise.
3019 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3021 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3022 * doc/rtl.texi: Remove related documentation.
3024 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3026 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3029 2006-09-15 Jim Wilson <wilson@specifix.com>
3031 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3032 Handle symbol offsets same as they are handled in ia64_expand_move
3035 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3037 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3038 Add forgotten parameter to the fprintf call.
3040 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3042 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3044 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3046 * doc/contrib.texi: Add my entry.
3048 2006-09-15 Nick Clifton <nickc@redhat.com>
3050 * doc/md.texi (Processor pipeline description): Fix typo in
3051 example of how to use the absence_set directive and reword the
3052 description to make it slightly easier to read.
3054 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3056 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3057 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3058 expanding the number of iterations.
3059 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3061 * cfgrtl.c (emit_insn_at_entry): New function.
3062 * rtl.h (emit_insn_at_entry): Declare it.
3063 * integrate.c (emit_initial_value_sets): Use it.
3065 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3067 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3069 (struct loop_work and related VEC declarations): Delete.
3070 (bfin_dump_loops): Print out new member bad.
3071 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3072 (bfin_scan_loop): Don't recurse.
3073 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3074 loops. No longer need to update outer loops if the current one is
3075 found bad. Move some validitiy checks to bfin_discover_loop.
3076 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3077 but changed not to check for nesting. Also changed to use the new bad
3079 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3080 time. Use bitmap based test to discover loop nesting.
3082 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3084 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3087 2006-09-14 Richard Guenther <rguenther@suse.de>
3088 Kazu Hirata <kazu@codesourcery.com>
3090 PR middle-end/28884.
3091 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3092 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3093 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3094 with TARGET_FUNCTION_VALUE.
3096 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3099 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3101 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3103 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3106 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3109 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3112 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3114 * basic_block.h (bb_has_eh_pred): Fix comment.
3116 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3118 * flow.c (calculate_global_regs_live): Invalidate eh registers
3119 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3120 (propagate_block): Handle eh registers as if they were set at basic
3122 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3124 * global.c (global_conflicts): Make eh registers to conflict with
3125 pseudos live at basic block begin.
3126 * basic_block.h (bb_has_eh_pred): New function.
3128 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3130 PR rtl-optimization/28982
3131 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3132 index of a PRE_MODIFY or POST_MODIFY address.
3133 * reload1.c (inc_for_reload): Use find_replacement on the original
3134 base and index registers.
3136 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3138 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3139 for -Os. Update __m128 alignment requirement.
3141 2006-09-13 Jan Hubicka <jh@suse.cz>
3143 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3145 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3147 PR rtl-optimization/28243
3148 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3149 the insn to which the note was originally attached.
3151 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3152 Roger Sayle <roger@eyesopen.com>
3154 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3155 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3156 on platforms that don't use dwarf for debug info.
3158 2006-09-12 Jason Merrill <jason@redhat.com>
3161 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3162 hard_frame_pointer_rtx after using it to update the frame pointer.
3164 2006-09-12 Roger Sayle <roger@eyesopen.com>
3166 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3167 (TARGET_ASM_CLOSE_PAREN): Likewise.
3168 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3169 (TARGET_ASM_CLOSE_PAREN): Likewise.
3171 2006-09-12 Roger Sayle <roger@eyesopen.com>
3174 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3175 frame information for frames larger than 512 Kbytes on Tru64 when
3176 using the native assembler.
3178 2006-09-12 Roger Sayle <roger@eyesopen.com>
3182 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3183 and symbols. Instead use the implementation from cse.c's hash_rtx.
3185 2006-09-12 Jan Hubicka <jh@suse.cz>
3187 PR rtl-optimization/28071
3188 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3189 (vect_transform_loop): Likewise.
3190 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3191 (new_loop_vec_info): Likewise.
3192 (destroy_loop_vec_info): Likewise.
3193 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3194 (create_stmt_ann): Likewise.
3195 (create_tree_ann): Rename to ...
3196 (create_tree_common_ann): ... this one; allocate only the common part
3198 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3199 (get_value_handle): Likewise.
3200 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3201 get_tree_common_ann.
3202 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3203 (vinfo_for_stmt): Use stmt annotations.
3204 * tree-flow.h (tree_ann_common_t): New type.
3205 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3206 (tree_ann, get_tree_ann, create_tree_ann): New.
3207 * tree-flow-inline.h (get_function_ann): Do more type checking.
3208 (stmt_ann): Likewise.
3209 (tree_ann): Rename to ...
3210 (tree_common_ann): ... this one; return ony common_ann
3211 (get_tree_ann): Rename to ...
3212 (tree_common_ann): This one; return only common_ann.
3213 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3216 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3218 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3219 with_cpu by default.
3221 * dwarf2out.c (dwarf_file_data): New.
3222 (enum dw_val_class): Add dw_val_class_file.
3223 (struct dw_val_struct): Add val_file.
3224 (file_table): Change to a hash table.
3225 (file_table_emitted): Delete.
3226 (file_table_last_lookup_index): Delete.
3227 (emitcount): Delete.
3228 (last_emitted_file): New.
3229 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3230 (init_file_table): Delete.
3231 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3232 (AT_addr): Add comment.
3236 (print_die): Handle dw_val_class_file.
3237 (print_dwarf_line_table): Update for new file table structure.
3238 (attr_checksum): Do checksum a filename.
3239 (same_dw_val_p, same_attr_p): Do compare a filename.
3240 (size_of_die): Handle dw_val_class_file.
3241 (value_format): Likewise.
3242 (output_die): Likewise. Also, call maybe_emit_file here.
3243 (struct file_info): Constify filenames. Make file_idx a pointer
3244 to a struct dwarf_file_data.
3245 (struct dir_info): Constify directory names. Remove 'used' field.
3246 (struct file_name_acquire_data): New.
3247 (file_name_acquire): New.
3248 (output_file_names): Modify to handle new file data structures.
3249 (add_src_coords_attributes): Use add_AT_file.
3250 (add_call_src_coords_attributes): Likewise.
3251 (dwarf2out_imported_module_or_decl): Likewise.
3252 (gen_subprogram_die): Modify for new file data structures.
3253 (gen_variable_die): Likewise.
3254 (file_table_eq): New.
3255 (file_table_hash): New.
3256 (file_table_last_lookup): New.
3257 (lookup_filename): Rewrite to handle new file data structures.
3258 (maybe_emit_file): Rewrite to handle new file data structures.
3259 (dwarf2out_source_line): Always call lookup_filename and
3261 (dwarf2out_init): Create file_table here.
3262 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3263 (file_table_relative_p): New.
3264 (dwarf2out_finish): Change detection of relative filenames
3265 to work with new file data structures. Move output_line_info call
3266 after debug_info output.
3268 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3273 * config/i386/i386.c (override_options): Always default to 16
3274 byte stack boundary.
3276 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3279 * var-tracking.c (dump_dataflow_set): Start dumping at
3281 (clobber_variable_part): Kill only the variable part in
3282 registers holding it, leaving other variables alone.
3284 2006-09-11 Josh Triplett <josh@freedesktop.org>
3286 * doc/extend.texi (Other Builtins): Actually use the macro
3287 argument in the documentation example for
3288 __builtin_types_compatible_p.
3290 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3292 PR rtl-optimization/28726
3293 * sched-deps.c (sched_analyze_reg): New function extracted from...
3294 (sched_analyze_1): ...here. Call it to analyze references to
3295 registers. Treat again writes to a stack register as writing to the
3297 (sched_analyze_2): ...and here. Call it to analyze references to
3298 registers. Treat again reads of a stack register as reading the
3301 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3302 David Edelsohn <edelsohn@gnu.org>
3305 * config/rs6000/spe.md (frob_df_di): Remove %H.
3306 (frob_di_df): Remove %H. Change evmergelo to mr.
3307 (frob_di_df_2): Remove %H. Change evldd to two loads.
3309 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3311 * doc/cpp.texi: Fix names of charset options.
3313 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3316 * config/i386/i386.c (override_options): Use 128-bit
3317 stack boundary always for 64bits.
3319 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3321 PR rtl-optimization/28636
3322 * combine.c (force_to_mode): Test for side-effects before
3323 substituting by zero.
3324 (simplify_shift_const): Likewise for zero or other constants.
3326 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3329 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3332 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3335 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3336 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3337 returned by mode_for_size, rather than the mode of src itself,
3338 to choose between 32-bit and 64-bit patterns.
3339 (mips_mem_fits_mode_p): New function.
3340 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3341 that the size of the source matches the size of the destination.
3342 (mov_<store>l, mov_<store>r): Likewise.
3344 2006-09-10 Eric Christopher <echristo@apple.com>
3346 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3349 2006-09-09 Eric Christopher <echristo@apple.com>
3352 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3355 2006-09-09 Roger Sayle <roger@eyesopen.com>
3356 Nicolas Setton <setton@adacore.com>
3358 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3360 2006-09-10 Andreas Schwab <schwab@suse.de>
3362 * config/m68k/m68k.md (bungt_rev): New pattern.
3364 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3365 Dale Johannesen <dalej@apple.com>
3368 * regclass.c (struct reg_pref): Update documentation.
3369 (regclass): Set prefclass to NO_REGS if memory is the best option.
3370 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3372 2006-09-08 Eric Christopher <echristo@apple.com>
3374 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3375 * config/t-slibgcc-darwin: Support x86_64 multilib.
3376 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3377 Return 1 for x86_64-darwin.
3378 * config/i386/t-darwin: Add m64 multilib.
3379 (LIB2_SIDITI_CONV_FUNCS): Use.
3380 (LIB2FUNCS_EXTRA): Ditto.
3381 * config/i386/darwin.h: Support x86_64.
3382 * config/i386/i386.c (override_options): Turn on flag_pic
3383 for x86_64-darwin. Disable flag_omit_pointer.
3384 (get_pc_thunk_name): Assert !TARGET_64BIT.
3385 (legitimate_address_p): Disable machopic addressing for
3387 (legitimize_pic_address): Ditto.
3388 (ix86_expand_move): Ditto.
3389 (ix86_expand_call): Ditto.
3390 (machopic_output_stub): Ditto.
3391 * config/darwin.c (machopic_select_section): Support literal16.
3392 (machopic_select_rtx_section): Ditto.
3393 * config/darwin-sections.def: Ditto.
3394 * config/darwin-64.c: New.
3396 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3399 * c-tree.h (struct c_arg_info): Add pending_sizes.
3400 * c-parser.c (c_parser_parms_declarator,
3401 c_parser_parms_list_declarator): Initialize pending_sizes.
3402 * c-decl.c (get_parm_info): Initialize pending_sizes.
3403 (get_parm_info): Set pending_sizes.
3404 (grokdeclarator): Call put_pending_sizes for parameters for
3405 function definition only.
3407 2006-09-07 Jason Merrill <jason@redhat.com>
3410 * varasm.c (output_constant): Only strip actual no-op conversions.
3413 * config/i386/i386.c (override_options): Use 128-bit
3414 stack boundary if -msse.
3416 2006-09-07 Eric Christopher <echristo@apple.com>
3418 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3420 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3423 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3425 * dwarf2out.c: Remove strange characters from comment above
3426 dwarf2out_frame_debug_expr.
3428 2006-09-07 Eric Christopher <echristo@apple.com>
3430 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3431 * config/darwin.h: ... to here.
3433 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3435 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3437 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3438 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3440 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3441 TARGET_PARTIAL_FLAG_REG_STALL.
3442 (*ashldi3_cconly_rex64): Likewise.
3443 (*ashlsi3_cmp): Likewise.
3444 (*ashlsi3_cconly): Likewise.
3445 (*ashlsi3_cmp_zext): Likewise.
3446 (*ashlhi3_cmp): Likewise.
3447 (*ashlhi3_cconly): Likewise.
3448 (*ashlqi3_cmp): Likewise.
3449 (*ashlqi3_cconly): Likewise.
3450 (*ashrdi3_cmp_rex64): Likewise.
3451 (*ashrdi3_cconly_rex64): Likewise.
3452 (*ashrsi3_cmp): Likewise.
3453 (*ashrsi3_cconly): Likewise.
3454 (*ashrsi3_cmp_zext): Likewise.
3455 (*ashrhi3_cmp): Likewise.
3456 (*ashrhi3_cconly): Likewise.
3457 (*ashrqi3_cmp): Likewise.
3458 (*ashrqi3_cconly): Likewise.
3459 (*lshrdi3_cmp_rex64): Likewise.
3460 (*lshrdi3_cconly_rex64): Likewise.
3461 (*lshrsi3_cmp): Likewise.
3462 (*lshrsi3_cconly): Likewise.
3463 (*lshrsi3_cmp_zext): Likewise.
3464 (*lshrhi3_cmp): Likewise.
3465 (*lshrhi3_cconly): Likewise.
3466 (*lshrqi2_cmp): Likewise.
3467 (*lshrqi2_cconly): Likewise.
3469 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3472 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3473 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3474 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3475 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3476 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3477 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3478 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3479 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3480 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3481 implement only CC setting effects of shift instructions.
3483 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3485 * doc/contrib.texi: Add myself.
3487 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3490 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3491 was set by the user.
3493 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3496 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3497 (divsi_inv_m1): Use them.
3498 (UNSPEC_DIV_INV_TABLE): New constant.
3500 2006-09-06 James E Wilson <wilson@specifix.com>
3503 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3504 then call count_or_remove_death_notes.
3506 2006-09-06 Jason Merrill <jason@redhat.com>
3509 * tree-inline.c (copy_result_decl_to_var): New fn.
3510 (declare_return_variable): Use it. Call declare_inline_vars here.
3511 (expand_call_inline): Not here.
3513 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3515 * doc/contrib.texi: Update my entry.
3517 2006-09-06 Nick Clifton <nickc@redhat.com>
3519 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3521 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3524 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3525 (canonicalize_induction_variables): Likewise.
3526 (tree_unroll_loops_completely): Likewise.
3527 (tree_ssa_prefetch_arrays): Likewise.
3528 (remove_empty_loops): Likewise.
3529 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3530 TODO_cleanup_cfg instead of directly calling
3531 cleanup_tree_cfg_loop.
3532 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3534 (tree_unroll_loops_completely): Likewise.
3535 (remove_empty_loops): Likewise.
3536 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3537 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3538 of tree_ssa_unswitch_loops.
3539 (tree_ssa_loop_ivcanon): Use the return value of
3540 canonicalize_induction_variables.
3541 (tree_ssa_empty_loop): Use the return value of
3543 (tree_complete_unroll): Use the return value of
3544 tree_unroll_loops_completely.
3545 (tree_ssa_loop_prefetch): Use the return value of
3546 tree_ssa_prefetch_arrays.
3547 * passes.c (execute_todo): Before Cleanup CFG, set
3548 updating_used_alone and after cleanup CFG, call
3549 recalculate_used_alone.
3551 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3554 * tree-vect-transform.c (vectorizable_condition): Move the check
3555 for the type after the check for simple condition.
3557 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3558 Kaz Kojima <kkojima@gcc.gnu.org>
3561 * mode-switching.c (optimize_mode_switching): Make the destination
3562 block of an abnormal edge have no anticipatable mode. Don't
3563 insert mode switching code at the end of the source block of
3566 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3568 PR rtl-optimization/26847
3569 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3570 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3571 (simplify_plus_minus): Count n_constants while filling ops. Replace
3572 qsort with insertion sort. Before going through the array to simplify
3573 pairs, sort it. Delay early exit until after the first sort, exiting
3574 only if no swaps occurred. Simplify pairs in reversed order, without
3575 special-casing the first iteration. Pack ops after simplifying pairs.
3577 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3579 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3580 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3581 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3582 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3584 2006-09-05 Richard Guenther <rguenther@suse.de>
3586 PR tree-optimization/28900
3587 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3588 compound conditional before creating COND_EXPR condition.
3590 2006-09-05 Richard Guenther <rguenther@suse.de>
3592 PR tree-optimization/28905
3593 * tree-vrp.c (fix_equivalence_set): Manually implement
3594 !value_ranges_intersect_p to also handle symbolic ranges.
3596 2006-09-05 Richard Guenther <rguenther@suse.de>
3599 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3602 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3604 PR rtl-optimization/27616
3605 * cse.c (table_size): New static variable.
3606 (new_basic_block): Initialize it to 0.
3607 (remove_from_table): Decrement it.
3608 (insert): Increment it.
3609 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3610 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3611 fold_rtx_mem_1 if under the cap.
3612 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3613 the lookup of the equivalent expression and test for equality of the
3614 first operand of the equivalent expression before in turn looking up
3615 an equivalent constant for the second operand.
3617 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3620 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3621 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3622 pointer, instead of assuming it is possible to derive the
3623 correct args size from a call insn.
3625 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3628 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3629 (fold_builtin_mempcpy): Rename to...
3630 (fold_builtin_memory_op): ... this. Optimize one element copy
3632 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3634 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3635 (expand_builtin_memcpy, expand_builtin_mempcpy,
3636 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3637 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3638 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3639 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3641 2006-09-01 DJ Delorie <dj@redhat.com>
3643 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3644 (stzx_16): Likewise.
3645 ("stzx_24_<mode>"): Likewise.
3646 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3647 ("cmp<mode>_op"): New.
3648 (cmp<mode>): Change to expander; just save operands.
3650 (b<code>): Change to expander, emit compare here.
3651 (s<code>_op): Change to use split and expander.
3652 (s<code>_24_op): Likewise.
3653 (s<code>_<mode>): New.
3654 (s<code>_<mode>_24): New.
3655 (movqicc_<code>_<mode): New.
3656 (movhicc_<code>_<mode>): New.
3659 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3660 (m32c_pend_compare): New.
3661 (m32c_unpend_compare): New.
3662 (m32c_expand_scc): New.
3663 (m32c_expand_movcc): Emit the compare also.
3664 * config/m32c/predicates.md (mra_nopp_operand): New.
3666 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3667 Richard Guenther <rguenther@suse.de>
3668 Adam Nemet <anemet@caviumnetworks.com>
3671 * builtins.c (get_pointer_alignment): Handle more forms
3672 of base addresses that can be used to derive more precise
3673 information about alignment.
3675 2006-09-01 Jason Merrill <jason@redhat.com>
3678 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3681 * gimplify.c (voidify_wrapper_expr): Handle null type.
3683 2006-09-01 Josh Conner <jconner@apple.com>
3686 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3687 (execute_return_slot_opt): Use it.
3689 2006-08-31 Josh Conner <jconner@apple.com>
3692 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3693 returning aggregates.
3695 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3697 PR tree-optimization/28839
3698 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3699 blocks in that phi arguments appear.
3701 2006-08-31 Roger Sayle <roger@eyesopen.com>
3704 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3705 NULL, otherwise use an advance_loc4 to adjust relative to the
3707 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3708 (dwarf2out_switch_text_section): Reset the current label to avoid
3709 using advance_loc4 over section boundaries.
3711 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3714 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3715 r12 + SYMBOLIC_CONST.
3717 2006-08-30 Richard Guenther <rguenther@suse.de>
3719 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3721 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3723 PR rtl-optimization/27735
3724 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3725 Add new argument to keep track of whether an irreducible region
3726 was affected. All callers changed.
3727 (fix_irreducible_loops): Removed.
3728 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3729 flags were invalidated.
3731 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3733 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3734 instead of SF operands.
3735 (*fop_df_comm_sse): Likewise.
3736 (*fop_df_comm_i387): Likewise.
3737 (*fop_df_1_mixed): Likewise.
3738 (*fop_df_1_sse): Likewise.
3740 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3741 J"orn Rennecke <joern.rennecke@st.com>
3743 PR tree-optimization/17506
3744 * tree-ssa.c (warn_uninit): If warning about a location outside of
3745 the current function, note where the variable was declared.
3747 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3749 PR tree-optimization/28411
3750 * double-int.c (double_int_div): Use double_int_divmod.
3751 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3752 double_int_mod, double_int_smod, double_int_umod): New functions.
3753 * double-int.h (double_int_divmod, double_int_sdivmod,
3754 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3756 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3758 (get_computation_aff, get_computation_cost_at): Handle double_int
3759 return type of constant_multiple_of.
3761 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3764 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3765 an implicit conversion.
3767 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3769 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3771 2006-08-27 Roger Sayle <roger@eyesopen.com>
3773 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3776 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3778 * config/i386/crtfastmath.c: Fix a comment typo.
3780 2006-08-26 Roger Sayle <roger@eyesopen.com>
3782 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3783 temporary visit flags on CASE_LABEL_EXPRs.
3784 * c-common.c (match_case_to_enum): Add function comment. Avoid
3785 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3786 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3787 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3788 a constant, only warn if that constant value isn't handled.
3790 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3793 * input.h (restore_input_file_stack): Declare.
3794 (INPUT_FILE_STACK_BITS): Define.
3795 * toplev.c (fs_p, input_file_stack_history,
3796 input_file_stack_restored, restore_input_file_stack): New.
3797 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3798 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3799 (pop_srcloc): Don't free old state of stack.
3801 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3804 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3805 (PowerPC Type Attributes): New.
3807 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3809 * config/xtensa/xtensa.c (function_arg_boundary): New.
3810 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3812 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3813 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3815 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3818 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3821 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3823 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3824 (verify_local_live_at_start): Likewise.
3826 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3829 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3830 omp_add_variable): Treat sizes as variable whenever not
3833 2006-08-26 Richard Guenther <rguenther@suse.de>
3836 * fold-const.c (fold_binary): Fold temporary to correct
3837 type before constructing new comparison.
3839 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3842 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3843 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3845 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3848 * c-decl.c (start_function): Don't try to process prototype
3849 information from old declaration that isn't a function.
3851 2006-08-25 Jan Hubicka <jh@suse.cz>
3854 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3856 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3859 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3862 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3864 PR tree-optimization/16876
3865 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3866 exit if PARM doesn't match VALUE.
3868 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3870 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3871 literal_prefix directive.
3872 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3873 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3874 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3876 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3879 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3880 predicate to general_operand. Add 0->y and I->r alternatives.
3882 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3884 * doc/tm.texi: Fix a typo.
3885 * predict.c: Fix comment typos.
3887 2006-08-25 Nick Clifton <nickc@redhat.com>
3889 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3890 assertions of "cpu" and "machine".
3892 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3895 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3896 the access through a base which has an alias set of 0 cannot
3899 2006-08-24 Bill Wendling <wendling@apple.com>
3901 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3903 2006-08-24 Jan Hubicka <jh@suse.cz>
3905 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3907 2006-08-24 Jan Hubicka <jh@suse.cz>
3910 * cgraph.c: Fix comments.
3911 (cgraph_varpool_mark_needed_node): Mark only variables not already
3913 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3914 (cgraph_varpool_assembled_nodes_queue): New static variable.
3915 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3916 (cgraph_varpool_output_debug_info): New function.
3917 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3918 * Makefile.in: Add gt-cgraphunit.h
3920 2006-08-24 Jan Hubicka <jh@suse.cz>
3922 * predict.c (probability_reliable_p): New predicate.
3923 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3924 (predict_loops): Do not predict loop exit with less than 2%
3926 * basic-block.h (edge_probability_reliable_p,
3927 br_prob_note_reliable_p): Declare.
3928 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3929 prediction when static predictor is not reliable.
3930 * rs6000.c (output_cbranch): Likewise.
3932 2006-08-23 Stuart Hastings <stuart@apple.com>
3935 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3936 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3938 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3941 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3942 complex values, nor for generic vector values.
3944 2006-08-22 Richard Guenther <rguenther@suse.de>
3947 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3948 parameter. Convert arguments to arithmetic expression to the
3950 (analyze_scalar_evolution_1): Adjust caller.
3952 2006-08-22 Jan Hubicka <jh@suse.cz>
3954 Patch by Paolo Bonzini
3955 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3958 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3960 PR tree-optimization/28003
3961 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3962 before grouping aliases.
3964 2006-08-22 Roger Sayle <roger@eyesopen.com>
3966 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3967 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3969 2006-08-21 Jason Merrill <jason@redhat.com>
3972 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3973 wrapper. Loop to handle nested wrappers.
3974 (gimplify_bind_expr): Remove temp parameter.
3975 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3976 and STATEMENT_LIST on the rhs.
3977 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3978 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3979 (gimplify_target_expr): Remove special BIND_EXPR handling.
3981 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3983 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3986 2006-08-21 Olivier Hainque <hainque@adacore.com>
3988 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3989 Arrange for the temporary captures of components overlapping the lhs
3990 to happen before the lhs is possibly cleared.
3992 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3994 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3995 necessary places to pass the correct "number of registers" values
3998 2006-08-20 Jan Hubicka <jh@suse.cz>
4000 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4001 (create_name_tags): Instead of quadratic checking use hashtable.
4002 * bitmap.h: Include hashtab.h.
4003 (bitmap_hash): Declare.
4004 * bitmap.c (bitmap_hash): New function.
4006 2006-08-20 Jan Hubicka <jh@suse.cz>
4008 PR rtl-optimization/28071
4009 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4011 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4012 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4013 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4014 cgraph_decide_inlining_incrementally): Update use of
4015 cgraph_check_inline_limits.
4016 * cgraph.c (edge_hash, edge_eq): New function.
4017 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4018 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4019 cgraph_remove_node): Maintain call site hash.
4020 * cgraph.h (struct cgraph_node): Add call_site_hash.
4021 (cgraph_set_call_stmt): New function.
4023 2006-08-20 Jan Hubicka <jh@suse.cz>
4025 PR rtl-optimization/28071
4026 * reload1.c (reg_has_output_reload): Turn into regset.
4027 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4028 choose_reload_regs, emit_reload_insns): Update to new
4029 reg_has_output_reload.
4031 2006-08-20 Jan Hubicka <jh@suse.cz>
4034 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4035 function body sizes.
4036 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4038 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4041 * tree.c (handle_dll_attribute): Return early if not a
4042 var or function decl.
4044 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4047 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4048 alignment of SPE vector types.
4050 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4052 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4054 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4057 * cgraph.h (struct cgraph_node): Remove externally_visible
4059 * cgraphunit.c (process_function_and_variable_attributes): Set
4060 local.externally_visible rather than externally_visible.
4063 * c-common.c (handle_externally_visible_attribute): First look
4064 at TREE_CODE and only if it is function or var decl, check for
4065 non-public objects. Don't warn for DECL_EXTERNAL.
4066 * cgraphunit.c (process_function_and_variable_attributes): Warn
4067 if externally_visible attribute is used on non-public object.
4069 2006-08-17 Jan Hubicka <jh@suse.cz>
4071 PR tree-optimization/27865
4072 * reload1.c (forget_marked_reloads): New function.
4073 (forget_old_reloads_1): When data are passed, just mark the registers
4075 (reload_as_needed): Use the new mechanizm.
4077 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4080 * reload.h (reg_equiv_alt_mem_list): New declaration.
4081 * reload1.c (reg_equiv_alt_mem_list): New definition.
4082 (reload): Initialize it and release it.
4083 (delete_output_reload): Use it.
4084 * reload.c (push_reg_equiv_alt_mem): New function.
4085 (find_reloads_toplev): Call it.
4086 (find_reloads_address, find_reloads_address_1): Likewise.
4087 (find_reloads_subreg_address): Likewise.
4089 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4091 PR rtl-optimization/28489
4092 * sched-ebb.c (begin_schedule_ready): Create basic block
4094 (advance_target_bb): Skip empty blocks.
4095 * haifa-sched.c (bb_note): Make global.
4096 * sched-int.h (bb_note): Add prototype.
4098 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4100 PR tree-optimization/27865
4101 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4103 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4104 fold_used_pointer, pointer_used_p): New functions.
4105 (analyze_scalar_evolution_1): Use fold_used_pointer.
4106 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4107 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4110 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4113 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4114 or the INTEGER_CST. Fail on a CALL_EXPR.
4115 (fold_offsetof): Pass new argument to fold_offsetof_1.
4116 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4117 operand into an INDIRECT_REF.
4118 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4120 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4122 PR gcov/profile/26570
4123 * value-prof.c (static_values): Removed.
4124 (tree_find_values_to_profile): Do not set static_values.
4125 (find_values_to_profile): Do not free static_values.
4126 * profile.c (instrument_values): Do not free the values.
4127 (branch_prob): Free the values.
4129 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4131 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4133 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4136 * c-typeck.c (build_component_ref): Combine qualifiers of
4137 structure or union and field.
4139 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4141 PR rtl-optimization/28071
4142 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4143 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4144 * tree-into-ssa.c (struct dom_dfsnum): New.
4145 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4147 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4148 compute_global_livein.
4149 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4150 in phi nodes in the correct blocks.
4152 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4154 PR tree-optimization/28364
4155 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4157 (fold_affine_expr): New function.
4158 (may_eliminate_iv): Use fold_affine_expr.
4160 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4163 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4166 2006-08-16 Mike Stump <mrs@apple.com>
4168 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4169 * doc/cppopts.texi (-MD): Likewise.
4171 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4174 * c-common.c (handle_weak_attribute): Ignore and warn if
4175 not a FUNCTION_ or VAR_DECL.
4177 2006-07-15 Mike Stump <mrs@apple.com>
4180 * c-parser.c (c_parser_typeof_specifier): Don't use
4181 c_finish_expr_stmt, open code desired semantics instead.
4183 2006-08-15 Nick Clifton <nickc@redhat.com>
4185 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4186 fragment to tmake_file only if threads are enabled.
4187 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4188 * config/i386/t-gthr-win32: New file. ... here.
4190 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4193 * c-parser.c (c_parser_compound_statement_nostart): Reset
4194 parser->error after each statement.
4196 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4199 * omp-low.c (lower_omp_parallel): Convert t to
4200 receiver_decl's type.
4201 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4202 source before comparison.
4205 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4206 to itype in assignment to oldival2.
4208 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4212 * c-typeck.c (build_compound_expr): If the second expression
4213 is an error mark, then just return an error mark instead of
4214 creating a COMPOUND_EXPR.
4216 2006-07-14 Mike Stump <mrs@apple.com>
4218 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4220 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4222 * c-decl.c, var-tracking.c: Fix comment typos.
4224 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4226 PR rtl-optimization/28634
4227 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4228 for floating-point modes unless flag_unsafe_math_optimizations.
4230 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4231 Andrew Pinski <pinskia@physics.uc.edu>
4234 * tree.c (build_array_type): Unify array types with
4235 unspecified index_type.
4236 * c-decl.c (grokdeclarator): Make sure we do not modify a
4237 unified incomplete array type.
4238 * c-typeck.c (store_init_value): Create distinct type before
4239 filling in the index type in an initializer from a compound
4242 * c-decl.c (grokdeclarator): Remove code where we copy the
4245 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4247 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4248 into account for TODO_dump_cgraph.
4249 (TODO_update_ssa_no_phi): Likewise.
4250 (TODO_update_ssa_full_phi): Likewise.
4251 (TODO_update_ssa_only_virtuals): Likewise.
4252 (TODO_remove_unused_locals): Likewise.
4253 (TODO_set_props): Likewise.
4254 (TODO_update_stmt_usage): Likewise.
4256 2006-08-13 Dirk Mueller <dmueller@suse.de>
4258 * c-common.c (strict_aliasing_warning): Fix formatting.
4260 2006-08-13 Matthias Klose <doko@debian.org>
4262 * doc/invoke.texi: Fix spelling errors.
4264 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4266 PR rtl-optimization/23454
4267 * reorg.c (relax_delay_slots): Update comment.
4269 2006-08-11 Richard Guenther <rguenther@suse.de>
4272 * simplify-rtx.c (simplify_const_relational_operation):
4273 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4276 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4278 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4279 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4281 2006-08-10 Paul Brook <paul@codesourcery.com>
4283 * final.c (final_scan_insn): Clear current_insn_predicate before
4284 outputting inline asm.
4286 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4288 PR tree-optimization/26197
4289 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4290 get_ref_base_and_extent and overlap_subvar to add only relevant
4291 subvars as may-aliases.
4292 (add_may_alias_for_new_tag): New function, factored out of
4294 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4295 with additional argument.
4296 * tree-flow.h (new_type_alias): Takes additional argument.
4298 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4300 * gcov.c (no_data_file): New flag.
4301 (read_count_file): Set it if data file not present. Assume counts
4303 (output_lines): Don't name the data file, if there wasn't one.
4305 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4307 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4308 (rs6000_generate_compare): Tweak comments.
4309 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4311 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4313 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4314 (var_debug_decl): New function.
4315 (var_reg_set): Follow debug decl link. Add location even if
4316 reg is already known to hold some other variable.
4317 (var_mem_set): Follow debug decl link.
4318 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4319 decl link. Delete other known locations of the variable part
4321 (var_reg_delete, var_mem_delete): Delete other known locations
4322 of the variable part if requested.
4323 (same_variable_part_p): New function.
4324 (add_stores): Select MO_COPY when appropriate.
4325 (vt_initialize): Handle it.
4326 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4327 known locations for MO_SET and MO_CLOBBER.
4328 (find_variable_location_part): New function.
4329 (set_variable_part, delete_variable_part): Use it.
4330 (clobber_variable_part): New function.
4331 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4334 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4336 PR tree-optimization/26969
4337 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4338 with an empty list of PHIs.
4340 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4344 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4347 2006-08-06 Andreas Schwab <schwab@suse.de>
4349 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4350 string. Whitespace and comment fixup.
4352 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4355 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4359 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4362 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4364 2006-08-04 Jan Hubicka <jh@suse.cz>
4368 * reload.c (push_reload): Patch out the mismatching instruction;
4370 (find_reload): Bail out if the instruction was patched out.
4372 2006-08-04 Jan Hubicka <jh@suse.cz>
4374 PR tree-optimization/24888
4375 * tree-inline.c (expand_call_inline): Do not re-record variables.
4376 (declare_inline_vars): Add variable to unexpanded_var_list.
4378 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4379 Roger Sayle <roger@eyesopen.com>
4381 PR rtl-optimization/26244
4382 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4383 inner_const are negative or greater than or equal to the bitsize of
4384 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4385 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4386 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4387 CONST0_RTX (mode) when the new shift count is greater than or equal to
4388 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4391 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4393 * tree-cfg.c: Fix a comment typo.
4395 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4398 * varasm.c (output_constant): Give the front end another chance to
4399 expand constants, after stripping NOPs.
4401 2006-08-03 Jan Hubicka <jh@suse.cz>
4403 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4406 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4408 PR tree-optimization/27770
4409 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4410 declaration removed (moved to tree-flow.h).
4411 (vect_can_force_dr_alignment_p): Likewise.
4412 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4413 (moved from tree-vectorizer.h).
4414 (vect_can_force_dr_alignment_p): Likewise.
4415 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4416 from outside the vectorizer - in particular from cgraph stage.
4417 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4418 the alignment of global arrays when -fsection-anchors is enabled.
4419 * cgraphunit.c (cgraph_increase_alignment): New function.
4420 (cgraph_optimize): Call cgraph_increase_alignment.
4422 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4425 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4426 not reload a SPE symbol_ref into a lo_sum address.
4428 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4431 * dwarf2out.c (prune_unused_types_prune): Move call to
4432 prune_unused_types_update_strings to cover the parent DIE also.
4434 2006-08-02 Jan Hubicka <jh@suse.cz>
4436 PR gcov/profile/28480
4437 * tree-cfg.c (change_bb_for_stmt): New function.
4438 (tree_merge_blocks, tree_split_blocks): Use it.
4440 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4446 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4447 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4448 (cgraph_optimize): Likewise.
4450 2006-08-01 Stuart Hastings <stuart@apple.com>
4452 * rtl.h (UINTVAL) New.
4453 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4454 * testsuite/gcc.dg/20060801-1.c: New.
4456 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4459 * c-typeck.c (build_external_type): Mark used enum types.
4460 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4462 (gen_subprogram_die): Whitespace fix.
4464 2006-08-01 Jan Hubicka <jh@suse.cz>
4466 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4467 bitmap when not needed.
4468 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4471 2006-08-01 Dirk Mueller <dmueller@suse.de>
4473 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4475 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4477 * Makefile.in: Revert part of previous patch:
4478 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4481 2006-07-30 Eric Christopher <echristo@apple.com>
4484 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4485 (PowerPC Variable Attributes): New section.
4487 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4489 PR target/28126 (partial fix)
4490 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4492 2006-07-28 Jan Hubicka <jh@suse.cz>
4494 PR rtl-optimization/28071
4495 * cfgrtl.c (rtl_delete_block): Free regsets.
4496 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4498 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4500 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4501 and variables used in dependencies.
4503 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4505 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4506 %fs for -mcmodel=kernel.
4507 (stack_tls_protect_test_di): Likewise.
4509 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4511 * Makefile.in: Use mkinstalldirs.
4513 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4516 * opts-common.c (prune_options): Skip joined switches.
4518 2006-07-27 Jan Hubicka <jh@suse.cz>
4520 PR rtl-optimization/28071
4521 * cselib.c (cselib_process_insn): Don't remove useless values too
4522 often for very large hashtables.
4524 2006-07-27 Jan Hubicka <jh@suse.cz>
4526 PR rtl-optimization/28071
4527 * global.c (greg_obstack): New obstack.
4528 (allocate_bb_info): Use it.
4529 (free_bb_info): Likewise.
4530 (modify_reg_pav): Likewise.
4532 2006-07-27 Roger Sayle <roger@eyesopen.com>
4534 * builtins.c (fold_fixed_mathfn): When long and long long are the
4535 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4536 functions to their lceil*, lfloor*, lround* and lrint* forms.
4538 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4541 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4543 (rev_branch_insn): Likewise.
4545 2006-07-27 Jan Hubicka <jh@suse.cz>
4547 PR rtl-optimization/28071
4548 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4549 (reg_set_in_bb, max_reg_computed): New static variables.
4550 (regmove_optimize): Free the new array.
4551 (fixup_match_1): Update call of reg_is_remote_constant_p.
4553 2006-07-26 Jan Hubicka <jh@suse.cz>
4555 PR tree-optimization/27882
4556 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4558 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4560 (cgraph_analyze_compilation_unit): Likewise.
4561 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4562 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4563 (cgraph_early_inlinine): Make order garbage collected.
4564 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4566 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4568 * dbxout.c (output_types_sort): Add a comment.
4569 (output_used_types): Free the VEC.
4571 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4573 * function.c (reorder_fix_fragments): Delete.
4574 (reorder_blocks): Don't call it.
4575 (reorder_blocks_1): Put all subblocks under the origin block.
4577 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4579 PR rtl-optimization/27907
4580 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4583 2006-07-25 Roger Sayle <roger@eyesopen.com>
4586 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4587 bar(x) check that bar's result type can represent all the values of T.
4589 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4591 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4593 2006-07-25 Nick Clifton <nickc@redhat.com>
4595 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4596 size_lookup[] array.
4597 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4598 (ggc_pch_count_object): Likewise.
4599 (ggc_pch_alloc_object): Likewise.
4600 (ggc_pch_write_object): Likewise.
4601 (init_ggc): Do not attempt to initialize entries in the
4602 size_lookup[] array for objects whose size is greater than than
4603 the length of the array.
4605 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4607 * dbxout.c (output_used_types_helper): Push queued types
4609 (output_types_sort): New.
4610 (output_used_types): Collect used types on a VEC and sort them
4613 2006-07-24 Richard Guenther <rguenther@suse.de>
4616 * cgraph.c (cgraph_remove_node): Do not check if dumps
4618 * cgraphunit.c (cgraph_optimize): Likewise.
4620 2006-07-24 Jan Hubicka <jh@suse.cz>
4622 PR rtl-optimization/28071
4623 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4624 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4625 splitting before first stmt.
4627 2006-07-24 Jan Hubicka <jh@suse.cz>
4629 PR rtl-optimization/28071
4630 * ipa-inline.c (update_caller_keys): Remove edges that
4631 are no longer inline candidates.
4633 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4636 * dbxout.c (output_used_types_helper, output_used_types): New.
4637 (dbxout_symbol): Call output_used_types.
4639 2006-07-23 Jan Hubicka <jh@suse.cz>
4643 * cgraph.c (cgraph_varpool_nodes): Export.
4644 (decide_is_variable_needed): Ignored "used" attribute in
4645 unit-at-a-time mode.
4646 * cgraph.h (cgraph_varpool_nodes): Declare.
4647 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4648 unit-at-a-time mode.
4650 2006-07-23 Roger Sayle <roger@eyesopen.com>
4653 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4654 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4655 the __gthrw form of thr_keycreate.
4656 (__gthread_key_delete): Silence the unused argument warning.
4658 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4661 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4662 Cache the last found '\0' marker to avoid quadratic behavior.
4664 2006-07-23 Jan Hubicka <jh@suse.cz>
4666 * i386.md (subsi_3_zext): Fix output template.
4668 2006-07-21 Mike Stump <mrs@apple.com>
4670 * doc/invoke.texi (C++ Dialect Options): Note that
4671 -fvisibility-inlines-hidden doesn't affect explicitly
4672 instantiationed inline methods.
4674 2006-07-20 Roger Sayle <roger@eyesopen.com>
4676 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4677 if the target assembler is GNU binutils' gas.
4678 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4679 whether to pass GNU gas or native as command line options.
4681 2006-07-20 Jason Merrill <jason@redhat.com>
4683 * tree.c (remove_attribute): New fn.
4684 * tree.h: Declare it.
4686 2006-07-20 Paul Brook <paul@codesourcery.com>
4689 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4690 they are invalidated by this instruction.
4692 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4695 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4697 2006-07-20 Eric Christopher <echristo@apple.com>
4700 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4702 2006-07-19 Eric Christopher <echristo@apple.com>
4704 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4705 Rewrite dependencies for libgcc_s.1.dylib.
4707 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4709 * except.c (duplicate_eh_regions_1): Clear next_peer.
4711 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4713 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4714 -mlongcall does not guarantee all calls will be long.
4715 * doc/extend.texi (long_call/short_call): Document that longcall
4716 does not guarantee a long call will be used.
4717 (longcall/shortcall): Likewise.
4719 2006-07-18 Roger Sayle <roger@eyesopen.com>
4722 * expmed.c (expand_shift): Additionally check that the shift_cost
4723 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4724 before implementing a LSHIFT_EXPR as a sequence of additions.
4725 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4726 middle-end that DImode shifts need to be synthesized by expand.
4728 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4731 * tree-ssa-operands.c (access_can_touch_variable): Update
4733 Return true if ALIAS is .GLOBAL_VAR.
4735 2006-07-18 David Daney <ddaney@avtrex.com>
4737 * gcc.c (display_help): Fix typo in help text.
4739 2006-07-18 Olivier Hainque <hainque@adacore.com>
4741 * tree.h (categorize_ctor_elements): Adjust prototype and add
4742 descriptive comment, both in accordance with the interface change
4744 * varasm.c (constructor_static_from_elts_p): New function.
4745 Whether a constructor node is a valid static constant initializer
4746 if all its elements are.
4747 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4748 * output.h: Declare it.
4749 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4750 is a valid constant initializer instead of computing the number of
4751 non-constant elements. Use constructor_static_from_elts_p for this
4752 purpose. Replace the head comment with an indication that this is a
4753 helper for categorize_ctor_elements.
4754 (categorize_ctor_elements): Same interface change as for the _1
4755 helper. Former head comment from this helper moved here, adjusted to
4756 account for the interface changes.
4757 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4758 (all_zeros_p): Likewise.
4759 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4760 static versions of the constructor from the categorize_ctor_elements
4761 return value instead of the formerly computed number of non-constant
4764 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4766 * configure: Regenerate.
4767 * Makefile.in (build_libsubdir): New configure substitution
4768 (build_libobjdir): New variable.
4769 (BUILD_LIBIBERTY): Use it.
4771 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4774 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4776 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4779 * c-common.c (handle_weakref_attribute): Ignore attribute in
4780 the same conditions the alias attribute is ignored.
4782 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4784 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4785 (dbxout_begin_prologue): Increment scope_labelno.
4787 2006-07-17 Richard Henderson <rth@redhat.com>
4790 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4793 2006-07-17 Roger Sayle <roger@eyesopen.com>
4794 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4796 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4797 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4798 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4799 functions such as sbrk, write, etc.. Add function prototypes.
4800 Convert function declarations from K&R to ISO C. Cast pointers
4801 to "long" and "unsigned long" instead of "int" and "unsigned int".
4802 Convert tokens following #endif into comments.
4804 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4806 * invoke.texi: Remove mention of f77; Reformat table for
4807 inline parameter options correctly; mention that -malign-double
4808 is default on x86-64 targets.
4810 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4812 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4813 (convert_affine_scev, chrec_convert_aggressive): Use
4814 avoid_arithmetics_in_type_p. Do not check for the subtypes
4817 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4820 * optabs.c (expand_doubleword_shift): Wrap the call to
4821 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4823 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4826 * optabs.c (expand_binop): Pass next_methods rather than methods
4827 to expand_doubleword_shift.
4829 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4832 * tree.h (dump_addr): Declare.
4833 * print-tree.c (dump_addr): New function.
4834 (print_node_brief, print_node): Use it.
4835 * print-rtl.c (print_rtx): Likewise.
4836 * common.opt (-fdump-noaddr): New option.
4837 * doc/invoke.texi (-fdump-noaddr): Document.
4838 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4839 (ve_info_hash): Likewise.
4841 2006-07-13 Andrew Haley <aph@redhat.com>
4843 PR tree-optimization/19505
4844 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4845 edge leaving this block, make sure that the destination of this
4846 block has only one predecessor.
4848 2006-07-17 Richard Guenther <rguenther@suse.de>
4850 PR tree-optimization/28238
4851 * tree-inline.c (copy_bb): Check if we produced valid
4852 gimple copying and substituting a stmt. If not, gimplify
4855 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4857 * optabs.c (maybe_encapsulate_block): New function extracted from...
4858 (emit_libcall_block): ...here. Invoke it on the block of insns to
4859 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4860 (emit_no_conflict_block): Likewise.
4862 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4864 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4866 2006-07-15 Roger Sayle <roger@eyesopen.com>
4868 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4869 a new NOP_EXPR case of the switch statement.
4871 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4874 * stor-layout.c (place_field): Take the bit field with
4875 an excessive size into account in the ms-bitfiled case.
4878 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4879 the previous bit field.
4881 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4884 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4886 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4888 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4889 signal frames correctly even when the signal was installed with
4892 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4894 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4895 (dbxout_function_end): Use local label LFBB. Remove hook
4897 (dbxout_source_line): Use local label LFBB.
4898 (dbxout_block): Likewise.
4899 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4900 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4901 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4902 and DBX_OUTPUT_NFUN.
4904 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4906 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4908 2006-07-13 Jan Hubicka <jh@suse.cz>
4910 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4912 * output.h (align_variable): Declare.
4913 * varasm.c (align_variable): Export.
4914 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4915 when basic block changed.
4917 2006-07-13 Nick Clifton <nickc@redhat.com>
4919 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4920 walking the LOG_LINKS chain.
4922 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4924 * doc/invoke.texi (C++ Dialect Options): Explain difference
4925 between -fvisibility-inlines-hidden and setting hidden
4926 visibility explicitly.
4928 2006-07-12 Eric Christopher <echristo@apple.com>
4930 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4931 (stmp-lipo): Depend on libgcc.a.
4933 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4935 * tree.c: Fix a comment typo.
4937 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4939 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4941 (umulhisi3_r): Likewise.
4943 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4946 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4947 x < 19, vs wchar_t support.
4949 2006-07-12 Nick Clifton <nickc@redhat.com>
4951 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4952 instead of -isa=sh4.
4954 2006-07-12 Mike Stump <mrs@apple.com>
4956 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4958 2006-07-10 Eric Christopher <echristo@apple.com>
4960 * config/t-slibgcc-darwin: Rewrite.
4962 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4965 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4968 2006-07-08 Matthias Klose <doko@debian.org>
4970 * doc/sourcebuild.texi: Fix typo.
4972 2006-07-07 Mike Stump <mrs@apple.com>
4974 * toplev.c (process_options): Don't give -ffunction-sections may
4975 affect debugging warning for Mach-O.
4977 2006-07-07 James E Wilson <wilson@specifix.com>
4979 * config/mips/mips.md (cpu): Add sb1a.
4980 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4981 addition to sb1. Adjust comments to clarify SB-1A differences from
4983 (ir_sb1a_load): New. Modify bypasses to use it.
4984 (ir_sb1a_simple_alu): Likewise.
4985 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4986 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4987 (mips_issue_rate): Add PROCESSOR_SB1A.
4988 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4989 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4990 (TARGET_SB1): Add PROCESSOR_SB1A check.
4991 (TUNE_SB1): Likewise.
4993 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4994 * config/mips/mips.c (mips_store_data_bypass_p): New.
4995 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4996 store_data_bypass_p.
4998 2006-07-08 Paul Brook <paul@codesourcery.com>
5001 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5003 2006-07-07 Richard Guenther <rguenther@suse.de>
5006 * tree.h (build_one_cst): Declare.
5007 * tree.c (build_one_cst): New function.
5008 * tree-ssa-math-opts.c (get_constant_one): Remove.
5009 (insert_reciprocals): Use build_one_cst.
5010 * fold-const.c (fold_plusminus_mult): Likewise.
5012 2006-07-07 Roger Sayle <roger@eyesopen.com>
5014 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5015 * cfgloopanal.c (dump_graph): Likewise.
5016 * dojump.c (discard_pending_stack_adjust): Likewise.
5017 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5019 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5020 * function.c (finalize_block_changes): Likewise.
5021 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5022 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5023 * rtl.c (dump_rtx_statistics): Likewise.
5024 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5026 * varray.c (dump_varray_statistics): Likewise.
5027 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5028 decode_decimal64, encode_decimal128, decode_decimal128,
5029 decimal_real_to_decimal): Likewise.
5031 2006-07-07 Richard Guenther <rguenther@suse.de>
5033 PR tree-optimization/28187
5034 * tree-vrp.c (vrp_operand_equal_p): New function.
5035 (vrp_bitmap_equal_p): Likewise.
5036 (update_value_range): Use them to compare old and new
5039 2006-07-06 Roger Sayle <roger@eyesopen.com>
5041 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5042 a default case to switch statement to silence compiler warnings.
5044 2006-07-06 Roger Sayle <roger@eyesopen.com>
5047 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5048 the configured assembler supports the x87's ffreep mnemonic.
5049 * configure: Regenerate.
5050 * config.in: Regenerate.
5052 * config/i386/i386.c (output_387_ffreep): New function.
5053 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5054 (output_387_reg_move): Likewise.
5056 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5058 Port to hosts whose 'sort' and 'tail' implementations
5059 treat operands with leading '+' as file names, as POSIX
5060 has required since 2001. However, make sure the code still
5061 works on pre-POSIX hosts.
5062 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5063 which says you should use "tail -c +N" rather than "tail +Nc".
5064 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5066 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5068 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5071 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5074 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5075 PRE_{INC,DEC} of TFmode.
5077 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5078 Alan Modra <amodra@bigpond.net.au>
5081 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5084 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5087 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5088 Remove duplicate gtu.
5090 2006-07-05 Jason Merrill <jason@redhat.com>
5094 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5095 * c-common.c (handle_packed_attribute): So don't copy it here.
5096 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5098 2006-07-05 Mike Stump <mrs@apple.com>
5100 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5102 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5105 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5107 2006-07-05 Richard Guenther <rguenther@suse.de>
5110 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5111 TARGET_SSE2 targets if using SSE math.
5112 (*absdf2_1): Likewise.
5114 2006-07-05 Richard Guenther <rguenther@suse.de>
5116 PR tree-optimization/28162
5117 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5118 make sure to convert the operands to the correct type.
5120 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5122 PR tree-optimization/28218
5124 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5125 to calculate and free the dominator information.
5127 2006-07-04 Peter O'Gorman <peter@pogma.com>
5129 * mklibgcc.in: chmod 644 before ranlib during install.
5131 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5132 J"orn Rennecke <joern.rennecke@st.com>
5134 * configure.ac (.eh_frame data check): Use diff -b.
5136 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5139 * Makefile.in (BUILD_RTL): Add build/vec.o.
5140 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5141 (build/genextract): Delete.
5142 (build/genautomata): Likewise.
5144 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5147 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5148 128-bit IBM long doubles for ABI_V4.
5150 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5152 * tree.c (range_in_array_bounds_p): New predicate.
5153 * tree.h (range_in_array_bounds_p): Declare it.
5154 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5155 return a less conservative answer.
5156 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5157 and flag 'is_group'.
5158 (IS_ELEMENT_FOR_GROUP): New macro.
5159 (FOR_EACH_ACTUAL_CHILD): Likewise.
5160 (next_child_for_group): New helper function.
5161 (can_completely_scalarize_p): Take into account groups.
5162 (sra_hash_tree): Handle RANGE_EXPR.
5163 (sra_elt_eq): Likewise.
5164 (lookup_element): Be prepared for handling groups.
5165 (is_valid_const_index): Delete.
5166 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5167 instead of is_valid_const_index.
5168 <ARRAY_RANGE_REF>: New case.
5169 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5170 is_valid_const_index.
5171 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5172 (scan_dump): Dump info for groups too.
5173 (decide_instantiation_1): Likewise.
5174 (decide_block_copy): Assert that the element is not a group.
5175 Propagate decision to groups.
5176 (generate_one_element_ref): Handle RANGE_EXPR.
5177 (mark_no_warning): Iterate over actual childs.
5178 (generate_copy_inout): Likewise.
5179 (generate_element_copy): Likewise.
5180 (generate_element_zero): Likewise.
5181 (generate_element_init_1): Likewise.
5182 (dump_sra_elt_name): Handle RANGE_EXPR.
5184 2006-07-03 Roger Sayle <roger@eyesopen.com>
5186 PR tree-optimization/26251
5187 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5188 (thread_block): When optimizing for size refuse to thread jumps
5189 that would require duplication of blocks other than redirection
5192 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5194 * configure.ac: Fix thinko in previous check-in.
5195 * configure: Regenerate.
5197 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5200 * configure.ac (for lang...): Simplify nesting of conditionals.
5201 Test subdir_requires for non-enabled languages. Move processing
5202 of lang_opt_files and lang_tree_fiels below that test.
5203 * configure: Regenerate.
5204 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5206 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5208 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5210 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5212 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5215 2006-06-29 Jason Merrill <jason@redhat.com>
5222 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5223 * c-common.c (c_determine_visibility): Handle it here.
5224 * c-decl.c (finish_decl): Call c_determine_visibility for
5226 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5228 * varasm.c (default_assemble_visibility): Likewise.
5229 * c-common.c (handle_visibility_attribute): Complain about trying
5230 to give visibility to an already defined class, or trying to change
5231 declared visibility. Always attach the attribute.
5236 * attribs.c (decl_attributes): Ignore type-in-place attributes
5237 once the type has been defined.
5239 2006-06-29 Roger Sayle <roger@eyesopen.com>
5242 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5243 to indicate the cpplib has issued an error message for us.
5245 2006-06-29 Asher Langton <langton2@llnl.gov>
5248 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5249 insert a label at the end of an function under Mach-O.
5251 2006-06-29 Eric Christopher <echristo@apple.com>
5252 Evan Cheng <evan.cheng@apple.com>
5254 * predicates.md (vector_all_ones_operand): New.
5255 (nonimmediate_or_sse_const_operand): Ditto.
5256 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5257 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5258 (standard_sse_mode_p): Ditto.
5259 (standard_sse_constant_p): Add case for -1 vector.
5260 (ix86_expand_vector_move): Try to use.
5261 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5262 Call standard_sse_constant_opcode.
5263 (*movv4sf_internal): Ditto.
5264 (*movv2df_internal): Ditto.
5266 2006-06-29 Roger Sayle <roger@eyesopen.com>
5268 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5269 of XEXP to extract the operands of a MATCH_CODE rtx.
5271 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5273 * tree.c (tree_size): Do not waste tail padding in
5274 struct tree_string and make the size be the same as
5275 build_string will generate.
5277 2006-06-28 Jason Merrill <jason@redhat.com>
5280 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5281 may_aliases already in the tag's annotations to the bitmap.
5283 2006-06-28 Roger Sayle <roger@eyesopen.com>
5285 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5287 2006-06-28 Roger Sayle <roger@eyesopen.com>
5289 * genpreds.c (generate_switch_p): New function.
5290 (add_mode_tests): Push the new mode test down inside an AND expr
5291 if this allows the switch-suitable MATCH_CODE to be near the root.
5292 (write_match_code_switch): New function to write a MATCH_CODE as
5294 (write_predicate_stmts): New function to write a predicate RTX
5295 expression as a sequence of statements.
5296 (write_one_predicate_function): Use write_predicate_stmts.
5297 (write_tm_constrs_h): Likewise.
5299 2006-06-26 Fred Fish <fnf@specifix.com>
5301 * config/mips/t-sb1: New file.
5302 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5305 2006-06-26 DJ Delorie <dj@redhat.com>
5307 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5309 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5310 Jayant Sonar <jayants@kpitcummins.com>
5311 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5313 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5314 (subsi3, subsi3_1, subsi3_2): New.
5315 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5316 * config/m32c/mov.md (SI mov peephole): New.
5317 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5318 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5320 2006-06-26 Olivier Hainque <hainque@adacore.com>
5322 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5323 a CALL_EXPR target function declaration.
5325 2006-06-26 Richard Guenther <rguenther@suse.de>
5327 * tree.c (build_string): Do not waste tail padding in
5330 2006-06-26 Richard Guenther <rguenther@suse.de>
5332 * ggc-page.c (init_ggc): Add missing element to size_lookup
5336 2006-06-23 Richard Guenther <rguenther@suse.de>
5338 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5339 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5340 alignment requests instead. Add verification code.
5341 Add struct tree_function_decl and struct tree_binfo size to
5342 extra_order_size_table. Add missing element to size_lookup
5345 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5348 * fold-const.c (const_binop): Be prepared for self returning zero.
5349 Simplify code handling complex values.
5351 2006-06-24 Olivier Hainque <hainque@adacore.com>
5353 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5354 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5357 2006-06-24 Olivier Hainque <hainque@adacore.com>
5359 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5360 ARRAY_REF, so have the callback called for the low bound expression.
5362 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5364 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5365 * c-typeck.c (c_common_type): Disallow operations on decimal float
5366 types and other float types.
5367 * convert.c (convert_to_real): Don't ignore conversions involving
5368 decimal float types.
5370 2006-06-23 Olivier Hainque <hainque@adacore.com>
5372 * tree.c (max_int_size_in_bytes): New function, inspired from
5373 code in function.c:assign_temp.
5374 * tree.h (max_int_size_in_bytes): Declare.
5375 * function.c (assign_temp): Use it.
5376 * gimplify.c (create_tmp_var): Relax the assertions on the type
5377 properties, not mandating constant size any more.
5378 (force_constant_size): New static function.
5379 (gimple_add_tmp_var): Use it, forcing variable size to a
5380 constant upper bound if it is not constant on entry.
5382 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5385 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5386 for initialization and setting of one_only flag to ...
5387 (i386_pe_encode_section_info): ...here.
5388 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5389 Recheck that the symbol has not been defined.
5391 2006-06-23 Richard Guenther <rguenther@suse.de>
5393 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5394 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5395 alignment requests instead. Add verification code.
5396 Add struct tree_function_decl and struct tree_binfo size to
5397 extra_order_size_table. Add missing element to size_lookup
5400 2006-06-22 Roger Sayle <roger@eyesopen.com>
5401 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5404 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5405 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5407 2006-06-23 Ben Elliston <bje@au.ibm.com>
5409 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5410 negate dn -- manipulate it directly.
5412 2006-06-22 Roger Sayle <roger@eyesopen.com>
5413 Steven Bosscher <stevenb.gcc@gmail.com>
5416 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5417 generated by gen_move_insn to add REG_LABEL notes if necessary.
5419 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5421 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5422 (leaf_entry): Remove use of MIN_ESA.
5424 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5426 PR rtl-optimization/28121
5427 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5430 2006-06-21 DJ Delorie <dj@redhat.com>
5432 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5434 (mulhisi3_r): Likewise.
5436 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5439 * coverage.c (coverage_counter_alloc): Leave the index type
5441 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5444 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5446 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5447 section from the "Options for Code Generation Conventions".
5449 2006-06-21 Richard Henderson <rth@redhat.com>
5453 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5455 (global_symbolic_operand): Allow weak symbols, even if local_p.
5457 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5459 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5460 (find_interesting_uses_address): Punt if above function returns true.
5462 2006-06-21 Richard Guenther <rguenther@suse.de>
5464 * configure: Regenerated.
5466 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5468 * config/mips/mips.c (function_arg): Where one part of a
5469 complex argument is in registers and the other part in the stack,
5470 return a REG not a PARALLEL.
5472 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5474 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5475 when cross-compiling. Do not substitute libstdcxx_incdir.
5476 * configure: Regenerated.
5478 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5480 * varasm.c (mergeable_string_section): Check for embedded NULs and
5481 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5482 rather than TREE_STRING_LENGTH bytes.
5484 2006-06-21 Richard Guenther <rguenther@suse.de>
5486 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5487 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5490 2006-06-21 Richrad Guenther <rguenther@suse.de>
5492 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5493 Limit iteration over the dominators.
5495 2006-06-20 Roger Sayle <roger@eyesopen.com>
5497 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5498 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5500 2006-06-20 Richard Guenther <rguenther@suse.de>
5501 Michael Matz <matz@suse.de>
5503 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5505 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5506 * et-forest.h (et_free_pools): Prototype new function.
5507 * et-forest.c (et_free_tree_force): Free parent occurrence.
5508 (et_free_pools): New function.
5509 * dominance.c (free_dominance_info): Free et-forest alloc
5512 2006-06-20 Roger Sayle <roger@eyesopen.com>
5514 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5515 integer modes, attempt to directly construct an integer constant.
5517 * fold-const.c (native_encode_vector): Determine the size of each
5518 element from the vector type instead of the first vector element.
5520 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5521 if all of its elements/components are constant.
5522 (build_constructor_from_list): Likewise.
5524 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5526 PR tree-optimization/27331
5527 * tree-data-ref.c (free_data_ref): New function.
5528 (create_data_ref): Fail if the data reference has unknown access
5530 (free_data_refs): Use free_data_ref.
5532 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5535 * tree-inline.c (setup_one_parameter): Strip useless
5536 type conversion before adding it to the IR.
5537 (declare_return_variable): Likewise.
5539 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5542 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5544 2006-06-19 Mike Stump <mrs@apple.com>
5546 * tree.c (variably_modified_type_p): VM arguments don't make the
5549 2006-06-19 Richard Guenther <rguenther@suse.de>
5551 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5552 type conversions after folding.
5554 2006-06-19 Richard Guenther <rguenther@suse.de>
5556 * ggc-page.c (extra_order_size_tab): Add entries with
5557 size of struct function and basic_block.
5558 (size_lookup): Extend to cover sizes up to 511.
5559 (ggc_alloc_stat): Adjust user.
5560 (ggc_pch_count_object): Likewise.
5561 (ggc_pch_alloc_object): Likewise.
5562 (ggc_pch_write_object): Likewise.
5564 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5566 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5567 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5570 2006-06-19 Denis Chertykov <denisc@overta.ru>
5572 * config/avr/libgcc.S : Correct my wrong previous commit.
5574 2006-06-19 Roger Sayle <roger@eyesopen.com>
5577 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5578 have stripped a SUBREG from the shift count, so we may need to
5579 convert_to_mode back to the type's mode before calling make_tree.
5580 Use new_amount instead of amount to avoid expanding a tree twice.
5582 2006-06-19 Richard Guenther <rguenther@suse.de>
5585 * fold-const.c (operand_equal_p): Check if the argument types
5586 have the same precision before stripping NOPs.
5588 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5590 Fix PR tree-optimization/27341
5591 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5593 * tree-complex.c (pass_lower_complex): Update SMT usage.
5595 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5597 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5598 Add a new alternative to the constraint strings. Add move of
5599 operand 1 to 3 to the splitter definition.
5600 ("doloop_si_long"): Second contraint alternative removed.
5602 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5604 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5605 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5607 (AVR_HAVE_MOVW) Define.
5608 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5609 (ASM_SPEC): Add avr25.
5610 (LINK_SPEC): Add avr25.
5611 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5612 (base_arch_s): Add new member 'have_movw_lpmx'.
5613 (avr_arch_types): Init 'have_movw_lpmx'.
5614 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5615 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5616 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5617 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5618 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5620 (avr_file_start): Do not output '.arh' derective.
5621 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5622 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5623 * config/avr/avr.md (mcu_enhanced): Delete.
5624 (mcu_have_movw): Define.
5625 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5626 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5627 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5628 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5629 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5630 attiny861 and at86rf401 devices.
5632 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5634 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5637 2006-06-17 Karl Berry <karl@gnu.org>
5639 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5640 doc/gccint.texi, doc/install.texi (@dircategory): Use
5641 "Software development" instead of "Programming", following
5642 the Free Software Directory.
5644 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5646 * config/i386/i386.c (legitimate_tls_address)
5647 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5648 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5649 (*tls_dynamic_gnu2_combine_64): Likewise.
5651 2006-06-16 Richard Guenther <rguenther@suse.de>
5654 * fold-const.c (negate_expr_p): Do not introduce undefined
5655 overflow in negating INTEGER_CSTs.
5656 (fold_negate_expr): Rename from negate_expr. Revert last
5657 change for folding BIT_NOT_EXPR. Change semantics to
5658 return NULL_TREE for non-simplified negations. Do not
5659 strip type conversions and unify type handling.
5660 (negate_expr): New function, wrap around fold_negate_expr
5661 but ensure building a tree always. Strip type conversions
5662 here, fold to result type.
5663 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5665 2006-06-16 Roger Sayle <roger@eyesopen.com>
5668 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5669 that (would) return their results in stack registers.
5671 2006-06-16 Michael Matz <matz@suse.de>
5672 Richard Guenther <rguenther@suse.de>
5674 * fold-const.c (fold_truthop): Only return new tree node if
5675 we canonicalized something.
5677 2006-06-16 Richard Guenther <rguenther@suse.de>
5679 * function.h (enum function_frequency): Move declaration
5680 out of struct function.
5681 (struct function): Move bool fields and the enum to the bitfield
5682 section. Reorder elements to avoid padding. Remove unused
5683 fields left over from the RTL inliner removal.
5684 * function.c (free_after_compilation): Do not zero removed fields.
5685 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5686 (ipa-type-escape.o): Likewise.
5688 2006-06-16 Richard Guenther <rguenther@suse.de>
5690 * cgraph.h (struct cgraph_local_info): Turn bool elements
5692 (struct cgraph_node): Likewise.
5693 (struct cgraph_varpool_node): Likewise.
5695 2006-06-15 Richard Guenther <rguenther@suse.de>
5697 * fold-const.c (fold_truth_not_expr): Rename from
5698 invert_truthvalue. Give it fold_* semantics to avoid
5700 (invert_truthvalue): New function. Wrapper around
5701 fold_truth_not_expr.
5702 (optimize_minmax_comparison): Avoid creating garbage.
5703 (fold_unary): Use fold_truth_not_expr for folding
5705 (fold_ternary): Replace uses of invert_truthvalue with
5706 fold_truth_not_expr where applicable.
5707 * tree.h (fold_truth_not_expr): Prototype.
5709 2006-06-16 Richard Guenther <rguenther@suse.de>
5711 PR tree-optimization/27781
5712 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5713 * ipa-pure-const.c (target.h): Include.
5714 (analyze_function): Do not analyze functions that do not
5717 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5720 * tree-dfa.c (referenced_vars_dup_list): Remove.
5721 (find_referenced_vars): Remove assert.
5722 (referenced_var_check_and_insert): Replace dup list with assert.
5723 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5724 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5726 2006-06-15 Richard Guenther <rguenther@suse.de>
5728 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5729 extra unused identifiers if not dumping.
5730 (create_variable_info_for): Likewise.
5732 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5734 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5735 (derive_constant_upper_bound): Derive more precise upper bound in
5736 common cases. Return type changed to double_int.
5737 (record_estimate): Reflect the changed return type of
5738 derive_constant_upper_bound.
5739 * double-int.c (double_int_zext, double_int_sext): Fix.
5741 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5743 * configure.ac (CFLAGS): Get them from the toplevel or from the
5744 configure invocation.
5745 * configure: Regenerate.
5746 * Makefile.in (CFLAGS): Substitute value provided by configure.
5748 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5751 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5752 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5753 rather than calling add_stmt on it.
5754 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5756 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5759 * reload1.c (reload): Remove registers returned by update_eliminables
5760 from used_spill_regs.
5762 2006-06-13 DJ Delorie <dj@redhat.com>
5764 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5766 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5768 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5769 html__strip_dir, html__mkdir_p. Enhance install-html target.
5770 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5771 * configure: Regenerate.
5773 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5775 * fold-const.c (fold_cond_expr_with_comparison): Check for
5776 Objective-C++ as language in deciding COND_EXPR transformation.
5778 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5781 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5782 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5783 * config/sh/lib1funcs.h (SL, SL1): Define.
5784 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5785 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5786 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5787 (OBJS_Os_4_200): New variable.
5788 ($(T)libgcc-Os-4-200.a): Use it.
5789 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5790 when dividing 1 and/or by 0.
5792 2006-06-13 Roger Sayle <roger@eyesopen.com>
5794 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5795 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5796 * configure: Regenerate.
5798 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5800 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5801 for real instruction.
5803 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5806 * haifa-sched.c (check_cfg): Handle special case.
5808 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5811 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5812 Add debug_info parameter. Chain the vars to the BLOCK instead
5813 of the BIND_EXPR if debug info are requested for them.
5814 (pop_gimplify_context): Adjust for above change.
5815 (gimple_add_tmp_var): Likewise.
5816 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5818 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5819 (convert_local_reference): Likewise.
5820 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5821 (finalize_nesting_tree_1): Request that debug info be emitted
5822 for debug_var_chain.
5824 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5826 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5827 for PR target/27863.
5829 2006-06-13 Richard Guenther <rguenther@suse.de>
5832 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5834 2006-06-13 Richard Guenther <rguenther@suse.de>
5836 PR tree-optimization/27830
5837 * tree-inline.c (copy_body_r): For copying the operand
5838 of an ADDR_EXPR make sure to fold &* afterwards.
5840 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5842 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5843 lvalues in the fb_none case with side-effects.
5845 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5847 * tree-flow.h: Remove the prototype for
5848 compute_phi_arg_on_exit.
5849 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5850 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5853 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5855 * builtins.c (expand_builtin_return_addr): Only use
5856 frame_pointer_rtx when count == 0 and we are expanding
5857 __builtin_return_address.
5859 2006-06-12 Fred Fish <fnf@specifix.com>
5861 * config/mips/mips.c (mips_file_start): Create special section
5862 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5864 2006-06-11 Eric Christopher <echristo@apple.com>
5867 * stor-layout.c (place_field): Remove check for
5868 remaining_in_alignment when aligning at the end of a run.
5870 2006-06-11 Eric Christopher <echristo@apple.com>
5873 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5876 2006-06-11 Roger Sayle <roger@eyesopen.com>
5879 Revert incorrect fix for PR target/27158
5880 2006-05-08 Roger Sayle <roger@eyesopen.com>
5881 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5882 of a reg_equiv_constant if the result is a legitimate constant.
5884 2006-06-11 Roger Sayle <roger@eyesopen.com>
5887 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5888 extract a CONST_VECTOR element and interpret it as an integer.
5889 (vspltis_constant): Use const_vector_elt_as_int instead of the
5890 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5891 * config/rs6000/predicates.md (easy_vector_const): Consider
5892 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5894 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5897 * stor-layout.c (update_alignment_for_field): Don't add extra
5898 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5901 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5903 * config/mips/t-rtems: Add EL/EB multilib variants.
5905 2006-06-09 Mike Stump <mrs@apple.com>
5907 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5909 2006-06-09 David Daney <ddaney@avtrex.com>
5911 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5913 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5915 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5917 2006-06-09 Richard Guenther <rguenther@suse.de>
5919 PR tree-optimization/26998
5920 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5921 of signed types, only TYPE_MIN_VALUE is special, but for both,
5922 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5923 in this case, as is -fwrapv.
5925 2006-06-08 Mike Stump <mrs@apple.com>
5928 * config/darwin.c (darwin_asm_output_anchor): Disable
5929 -fsection-anchors on darwin for now.
5930 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5931 * rs6000/rs6000.c (optimization_options): Likewise.
5933 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5936 * config/i386/i386.c (classify_argument): Skip fields with invalid
5939 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5941 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5942 (cse_insn): Likewise for the stack_pointer_rtx.
5944 2006-06-08 Roger Sayle <roger@eyesopen.com>
5946 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5947 conditions from floating point comparisons.
5949 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5952 * expmed.c (struct alg_hash_entry): Fix type of field T
5953 to match synth_mult argument.
5954 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5956 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5959 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5962 2006-06-08 Richard Guenther <rguenther@suse.de>
5965 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5966 only, if overflow is defined and not trapping.
5967 (negate_expr): Likewise.
5969 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5971 PR tree-optimization/27872
5972 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5973 flag on the new exit edge of the unrolled loop.
5975 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5977 PR rtl-optimization/26449
5978 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5980 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5983 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5984 referenced_variables with matching DECL_UID's.
5985 (find_referenced_vars): Make sure duplicate list is empty to start.
5986 (referenced_var_p): Remove.
5987 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5988 Check if var is in the list, and add if needed. Update the duplicate
5989 list if a different var is in the list with the same DECL_UID.
5990 (add_referenced_var): Call routine to check and insert.
5991 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5992 * tree-flow.h (referenced_vars_dup_list): External declaration.
5994 2006-06-07 Fred Fish <fnf@specifix.com>
5996 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5999 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6002 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6003 the imaginary and real parts of a clobbered register.
6004 Emit insn to set the imaginary part.
6006 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6008 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6009 in lieu of unwind-dw2-fde.c.
6011 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6013 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6015 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6018 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6019 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6020 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6021 V4SImode temporaries and operations instead.
6023 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6025 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6028 2006-06-06 Mike Stump <mrs@apple.com>
6030 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6031 installing during build.
6033 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6035 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6037 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6038 * config/ia64/ia64.c (params.h): New header.
6039 (ia64_optimization_options): New function to adjust parameters.
6040 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6041 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6042 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6044 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6046 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6048 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6051 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6053 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6054 Victor Kaplansky <victork@il.ibm.com>
6056 PR tree-optimization/26360
6057 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6060 2006-06-04 Roger Sayle <roger@eyesopen.com>
6061 Andrew Pinski <pinskia@physics.uc.edu>
6064 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6065 for LABEL_DECL before calling DECL_WEAK.
6068 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6069 LABEL_DECL and PARM_DECL.
6071 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6075 * c-decl.c (grokdeclarator): Disallow variably modified types at
6076 file scope. Avoid marking shared array type of constant size as
6079 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6082 * c-common.c (fold_offsetof_1): Handle static members.
6084 2006-06-04 Eric Christopher <echristo@apple.com>
6086 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6087 (debug_rli): Output value for remaining_in_alignment.
6088 (update_alignment_for_field): Unconditionalize
6089 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6090 extra alignment code.
6091 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6092 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6093 * tree.h (record_layout_info_s): Remove prev_packed.
6094 * doc/extend.texi (ms_struct): Add documentation of format.
6096 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6098 * tree.h: Declare folding_initializer.
6099 * builtins.c (fold_builtin_constant_p): Give definite answer
6100 if folding inside an initializer.
6101 * fold-const.c: Define folding_initializer.
6102 (START_FOLD_INIT): Save and then set folding_initializer.
6103 (END_FOLD_INIT): Restore folding_initializer.
6105 2006-06-04 Richard Guenther <rguenther@suse.de>
6107 PR tree-optimization/27039
6108 * fold-const.c (fold_comparison): Handle pointer comparison
6109 again for all comparison codes. Compare offsets in signed
6111 (fold_binary): Move code from here.
6113 2006-06-03 Roger Sayle <roger@eyesopen.com>
6116 * config/i386/i386.c (construct_container): Split static issued_error
6117 flag into issued_sse_arg_error, issued_sse_ret_error and
6118 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6119 requires the use of x87 registers and the user explicitly
6120 specified the -mno-80387 command line option.
6122 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6124 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6125 HAVE_DECL_SIGALTSTACK.
6127 (segv_handler): Use MC_FLD.
6128 * configure.ac: Check for a sigaltstack declaration.
6129 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6130 * configure: Regenerate.
6131 * config.in: Regenerate.
6133 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6136 * Makefile.in (stmp-fixinc): Fix typo.
6138 2006-06-02 Roger Sayle <roger@eyesopen.com>
6140 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6141 are type correct. Clean-up.
6142 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6143 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6145 2006-06-01 DJ Delorie <dj@redhat.com>
6147 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6148 shift, as we've disabled the "switch" insn that needs it.
6150 2006-06-01 Per Bothner <bothner@bothner.com>
6152 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6153 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6154 * c-ppoutput.c (cb_define): Don't increment line 0.
6156 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6158 * doc/invoke.texi: Add cpu_type power6.
6159 * config.gcc: Add cpu_type power6.
6160 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6161 to power5+ with Altivec.
6162 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6163 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6165 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6167 * config/avr/avr.h (SET_ASM_OP): Define.
6169 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6171 * config/bfin/bfin.c: Fix comment typos.
6173 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6176 * doc/install.texi: Document --enable-bootstrap and
6177 --disable-bootstrap.
6179 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6181 * doc/install.texi: Document that InfoZIP can replace jar.
6183 2006-05-31 Roger Sayle <roger@eyesopen.com>
6185 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6186 isn't available, directly generate the simpler x87 patterns without
6187 the (use (const_int 0)).
6188 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6189 implementation isn't available.
6190 (*negdf2_1): Likewise.
6191 (*negxf2_1): XF mode negation is always done using the x87.
6192 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6194 2006-05-31 Roger Sayle <roger@eyesopen.com>
6196 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6197 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6199 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6201 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6203 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6204 * config/bfin/bfin.c (basic-block.h): Include.
6205 (struct machine_function): New.
6206 (bfin_init_machine_status): New.
6207 (override_options): Initialize init_machine_status.
6208 (bfin_hardware_loop): New.
6209 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6210 (DEF_VEC_P (loop_info)): New.
6211 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6212 (struct loop_info): New.
6213 (loop_info): New typedef.
6214 (struct loop_work): New.
6215 (loop_work): New typedef.
6216 (DEF_VEC_O (loop_work)): New.
6217 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6218 (bfin_dump_loops): New.
6219 (bfin_bb_in_loop): New.
6220 (bfin_scan_loop): New.
6221 (bfin_optimize_loop): New.
6222 (bfin_reorg_loops): New.
6223 (bfin_reorg): Use bfin_reorg_loops.
6224 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6226 (I_REGNO_P): Simplify.
6227 (DP_REGNO_P, DPREG_P): New macros.
6228 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6229 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6230 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6231 Add LT_REGS, LC_REGS, LB_REGS.
6232 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6234 (REGNO_REG_CLASS): Deal with loop registers.
6235 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6237 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6238 New constants for loop registers.
6239 (UNSPEC_LSETUP_END): New.
6240 (seq_insns): New define_attr. Set it for appropriate insns.
6241 (movsi_insn): Add alternatives for move from/to
6242 loop count registers.
6243 (doloop_end): New define_expand.
6244 (loop_end): New define_insn.
6245 (define_split for bad doloop_end): New.
6246 (lsetup_with_autoinit): New define_insn.
6247 (lsetup_without_autoinit): New define_insn.
6248 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6249 * config/bfin/predicates.md (lc_register_operand): New.
6250 (lt_register_operand): New.
6251 (lb_register_operand): New.
6252 (nondp_register_operand): New.
6253 (nondp_reg_or_memory_operand): New.
6254 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6256 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6258 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6259 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6261 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6263 * Makefile.in (CATALOGS): Add po/ prefix.
6264 * configure: Regenerated.
6266 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6269 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6270 a shift operand before calling shift_op. Avoid redundant call of
6273 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6274 DJ Delorie <dj@redhat.com>
6276 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6277 we're inserting is a singlt-bit constant.
6279 2006-05-30 Roger Sayle <roger@eyesopen.com>
6281 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6282 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6284 2006-05-30 Roger Sayle <roger@eyesopen.com>
6286 PR tree-optimization/23452
6287 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6288 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6289 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6290 complex values and with -ffast-math for FP complex values.
6292 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6294 * c-common.h: Remove the prototype for yyparse.
6295 * rtl.h: Remove the prototype for init_loop.
6297 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6299 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6302 2006-05-30 Roger Sayle <roger@eyesopen.com>
6304 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6306 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6307 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6309 2006-05-30 Dirk Mueller <dmueller@suse.de>
6312 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6313 for CONSTANT_CLASS_P expresisons.
6315 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6318 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6320 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6322 PR tree-optimization/27779
6323 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6324 initial_condition instead of CHREC_LEFT.
6326 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6328 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6329 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6330 Make prototypes ISO C90.
6332 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6333 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6335 * see.c (see_analyze_one_def): Correct check.
6336 (see_get_extension_data): Check if extension is parallel.
6337 (see_get_extension_reg): Likewise.
6339 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6342 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6343 into register for (code == GTU).
6345 2006-05-29 Roger Sayle <roger@eyesopen.com>
6347 PR tree-optimization/24964
6348 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6349 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6350 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6351 abs(x)*abs(x) as x*x for scalar floating point modes.
6353 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6356 * lambda-code.c (perfect_nestify): Don't copy statements
6357 in the inner loop: move them to the inner loop header.
6359 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6362 * c-tree.texi: Document OpenMP directives and clauses.
6364 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6366 * varasm.c (globalize_decl): Fix indentation.
6368 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6371 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6372 pass_fre, pass_store_ccp, pass_copy_prop,
6373 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6374 pass_return_slot, pass_object_size, pass_lim,
6375 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6376 pass_loop_prefetch and pass_stdarg.
6378 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6380 * config/bfin/bfin.opt (mfdpic): New option.
6381 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6382 (EXTRA_MULTILIB_PARTS): Likewise.
6383 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6384 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6386 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6387 (CRT_CALL_STATIC_FUNCTION): New.
6388 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6390 (CRT_CALL_STATIC_FUNCTION): New.
6391 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6393 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6394 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6395 (initialize_trampoline): Changed to handle FD-PIC code generation.
6396 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6397 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6398 (override_options): Disallow -mid-shared-library -mfdpic combination.
6399 Can't do unaligned ops if FD-PIC.
6400 Turn off flag_pic if trying to generate non-id-shared-library
6401 non-fdpic code, since it's not supported.
6402 (bfin_assemble_integer): New function.
6403 (TARGET_ASM_INTEGER): Define.
6404 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6406 * config/bfin/crtn.s: Restore them.
6407 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6409 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6410 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6411 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6412 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6413 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6415 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6416 FDPIC_REGS and FDPIC_FPTR_REGS.
6417 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6418 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6419 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6420 (load_funcdescsi): New pattern.
6421 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6422 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6423 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6425 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6427 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6430 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6432 * tree-flow.h: Remove the prototype for add_type_alias.
6433 * tree-ssa-alias.c (add_type_alias): Remove.
6435 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6437 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6438 config/fr30/fr30.md, config/i386/i386-interix.h,
6439 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6440 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6441 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6442 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6443 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6444 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6445 Follow spelling conventions.
6446 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6447 Follow spelling conventions.
6449 2006-05-27 Richard Guenther <rguenther@suse.de>
6452 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6453 to produce a constant of value 1 of generic type.
6455 2006-05-27 Dirk Mueller <dmueller@suse.de>
6457 * cgraphunit.c (decide_is_function_needed): Fix wrong
6460 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6462 PR rtl-optimization/27661
6463 * reload.c (find_reloads): When reloading a VOIDmode constant
6464 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6465 use Pmode as mode of the reload register.
6467 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6469 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6470 is enabled at -O and above.
6472 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6475 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6478 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6481 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6482 for anonymous variables explicitly declared by front ends.
6484 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6486 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6487 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6488 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6489 ref-all pointers, run a finalization pass for them.
6490 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6491 (finalize_ref_all_pointers): New function.
6492 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6493 regular pointer type to a ref-all pointer type.
6494 (get_tmt_for): Return the special memory tag for ref-all pointers.
6496 2006-05-25 Richard Guenther <rguenther@suse.de>
6499 * fold-const.c (fold_binary): Do not look at the stripped
6500 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6502 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6504 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6505 for LT and GT if the computed range is effectively empty.
6507 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6510 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6511 mips_quad_format formats instead of ieee_single_format,
6512 ieee_double_format and ieee_quad_format formats, respectively.
6514 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6516 PR tree-optimization/27639
6517 PR tree-optimization/26719
6518 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6519 call to scev_probably_wraps_p.
6520 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6521 used_in_pointer_arithmetic_p, convert_step): Removed.
6522 (nowrap_type_p): New function.
6523 (scev_probably_wraps_p): Rewritten.
6524 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6525 chrec_convert if chrec_convert_aggressive might have been used.
6526 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6527 scev_direction): New functions.
6528 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6529 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6530 instead of convert_step.
6531 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6532 (convert_step): Declaration removed.
6533 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6535 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6537 * df-core.c: Added to header comments.
6538 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6539 df_ur_bb_info, df_urec_bb_info): Added comments.
6540 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6541 urec, ri problems): Fixed header comments.
6542 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6543 code from df_rd_transfer_function.
6545 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6547 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6548 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6549 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6551 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6553 * expr.c (undefined_operand_subword_p): New.
6554 (emit_move_multi_word): Do not generate move from undefined bits
6555 of a paradoxical subreg.
6557 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6559 PR rtl-optimization/27736
6560 * combine.c (replaced_rhs_value): New variable.
6561 (combine_instructions): Set it.
6562 (distribute_notes): When distributing a note in replaced_rhs_insn,
6563 check whether the value was used in replaced_rhs_value.
6565 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6568 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6569 add_referenced_var instead of add_referenced_tmp_var.
6570 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6571 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6573 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6574 tree_optimize_tail_calls_1): Use add_referenced_var.
6575 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6576 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6577 Use add_referenced_var.
6578 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6579 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6580 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6581 Use add_referenced_var.
6582 * tree-dfa.c (struct walk_state): Remove.
6583 (find_referenced_vars): Remove walk state and vars_found hash table.
6584 (make_rename_temp): Use add_referenced_var.
6585 (find_vars_r): Pass less parameters to add_referenced_var.
6586 (referenced_var_p): New. Is var in referenced_var hash table.
6587 (referenced_var_insert): Assert var isn't already in hash table.
6588 (add_referenced_var): Don't need walk_state parameter. Add var if it
6589 isn't already in the hash table.
6590 (add_referenced_tmp_var): Remove.
6591 (find_new_referenced_vars_1): Use add_referenced_var.
6592 * tree-ssa-pre.c (create_expression_by_pieces,
6593 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6594 Use add_referenced_var.
6595 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6596 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6597 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6599 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6600 vect_create_data_ref_ptr, vect_create_destination_var,
6601 vect_init_vector, vect_build_loop_niters,
6602 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6603 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6604 Use add_referenced_var.
6605 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6606 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6607 (add_referenced_var): Add prototype.
6608 * tree-ssa-structalias.c (get_constraint_for,
6609 intra_create_variable_infos): Use add_referenced_var.
6611 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6613 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6614 big-endian paradoxical subregs.
6615 * var-tracking.c (struct micro_operation_def): Document that,
6616 for modify micro operations, insn is the subsequent instruction.
6617 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6618 (var_reg_set, var_mem_set): ... new functions.
6619 (add_stores): Record subsequent insn.
6620 (compute_bb_dataflow): Use new functions for MO_USE.
6621 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6622 notes after the insn, and modify notes before the insn known
6623 to be the subsequent one.
6624 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6626 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6629 * config/i386/i386.c (ix86_expand_builtin): Use
6630 gen_sse3_monitor64 for TARGET_64BIT.
6632 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6634 PR rtl-optimization/26375
6635 PR rtl-optimization/26855
6636 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6638 (df_ru_bb_local_compute): Reversed statements and removed bogus
6639 comment explaining why they should be in wrong order.
6640 (df_ru_dump, df_rd_dump): Enhanced debug info.
6641 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6643 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6644 reaching uses and fixed space problem.
6646 2006-05-23 Jan Hubicka <jh@suse.cz>
6648 * cgraphunit.c (decide_is_function_needed): Also nested functions
6649 and functions declared inline can be optimized out at -O0.
6651 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6653 * doc/install.texi (Configuration): Remove reference to CrossGCC
6657 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6660 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6661 ix86_compare_emitted is non-NULL.
6663 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6666 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6669 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6671 PR rtl-optimization/25514
6672 * combine.c (replaced_rhs_insn): New variable.
6673 (combine_instructions): Set replaced_rhs_insn when trying to replace
6674 a SET_SRC with a REG_EQUAL note.
6675 (distribute_notes): Use replaced_rhs_insn when determining the live
6676 range of a REG_DEAD register.
6678 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6679 Anatoly Sokolov <aesok@post.ru>
6681 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6682 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6683 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6684 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6685 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6686 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6687 at90usb647, at90usb1286 and at90usb1287 devices.
6688 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6689 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6691 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6693 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6695 2006-05-22 Richard Guenther <rguenther@suse.de>
6698 2006-01-31 Richard Guenther <rguenther@suse.de>
6699 Paolo Bonzini <bonzini@gnu.org>
6701 * doc/install.texi (--disable-libgcc-math): Document.
6703 2006-05-22 Richard Guenther <rguenther@suse.de>
6706 2006-01-31 Richard Guenther <rguenther@suse.de>
6708 * doc/invoke.texi (-msselibm): Document.
6709 * target.h (expand_library_builtin): New target hook.
6710 * builtins.c (expand_builtin): Use expand_library_builtin.
6711 (default_expand_library_builtin): New function.
6712 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6713 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6714 (link_gcc_math_spec): Declare.
6715 (static_specs): Add link_gcc_math_spec.
6716 * expr.h (default_expand_library_builtin): Declare.
6717 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6718 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6719 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6720 * config/i386/i386.opt (msselibm): New target option.
6721 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6722 (ix86_init_sse_abi_builtins): New function.
6723 (ix86_expand_library_builtin): Likewise.
6724 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6725 (override_options): Handle error conditions wrt -msselibm.
6726 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6727 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6728 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6731 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6734 * c-common.c (self_promoting_args_p): Skip erroneous args.
6737 * c-decl.c (finish_struct): Skip erroneous fields.
6739 2006-05-22 Nick Clifton <nickc@redhat.com>
6741 * config/cris/cris.opt (march): Remove VarExists attribute.
6742 (max-stackframe=): Likewise.
6744 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6746 * doc/rtl.texi: Fix a typo.
6747 * see.c: Fix comment typos.
6749 * tree-ssa-structalias.h (alias_info): Remove num_references.
6751 2006-05-21 Mike Stump <mrs@apple.com>
6753 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6755 (darwin_pragma_options): Use BAD instead.
6756 (darwin_pragma_unused): Likewise.
6757 (darwin_pragma_ms_struct): Likewise.
6759 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6761 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6763 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6765 PR rtl-optimization/27671
6766 * simplify-rtx.c (simplify_relational_operation_1): Fix
6767 simplifications of (eq/ne (xor x y) y) and
6768 (eq/ne (xor x y) x).
6770 PR tree-optimization/26622.
6771 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6774 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6776 * tree-cfg.c: Prune whitespace.
6777 (debug_tree_cfg): Point to correct header containing the
6780 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6783 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6785 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6788 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6789 or sorry count is non zero.
6791 2006-05-20 Andreas Schwab <schwab@suse.de>
6793 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6795 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6796 Kenneth Zadeck <zadeck@naturalbridge.com>
6798 PR rtl-optimization/26855
6800 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6802 (df_scan_alloc): Added code to properly handle multiword hard
6803 registers and add all_blocks parameter.
6804 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6805 code to properly handle multiword hard registers.
6806 (df_rescan_blocks): Added code to remove deleted blocks from
6808 (df_ref_create_structure, df_ref_record): Added code to properly
6810 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6811 and set DF_REF_PARTIAL.
6812 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6813 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6814 (df_scan_add_problem): Added flags parameter.
6815 (df_ref_create_structure): Changed switching structure.
6816 (df_bb_refs_record): Fixed case where duplicate artificial refs
6817 were created. Changed location of flags.
6818 (df_record_entry_block_defs): Added code to make stack pointer
6819 live in entry block. Refined cases where frame pointer is needed.
6820 Changed location of flags.
6821 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6822 (df_set_state): Removed function.
6823 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6824 df_insn_create_insn_record, df_insn_refs_delete,
6825 df_ref_create_structure): Formatting changes.
6826 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6827 df_delete_basic_block): New function.
6828 (df_init): Changed location of flags.
6829 (df_add_problem): Added flags parameter and the way flags are
6831 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6832 debug_df_chain): Improved debugging output.
6833 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6834 (df_refs_chain_dump): Removed df parameter.
6835 (df_iterative_dataflow): Added consistency check.
6836 (df_prune_to_subcfg): Made public.
6837 (df_analyze_problem): Added blocks_to_init parameter and made
6839 (df_ref_record, df_bb_refs_record, df_mark_reg,
6840 df_record_exit_block_uses): Whitespace changes.
6841 (df_dump): Whitespace changes.
6842 * df.h: Some reordering to remove forward references.
6843 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6844 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6845 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6846 (dataflow.flags): New field.
6847 (df.flag): Deleted field.
6848 (df_alloc_function): Added additional bitmap parameter.
6849 (df_dependent_problem_function): New type.
6850 (df_problem.changeable_flags): New field.
6851 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6852 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6853 (df_mw_hardreg): New struct.
6854 (DF_INSN_UID_MWS): New macro.
6855 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6857 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6858 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6859 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6860 (df_set_state): Removed function.
6861 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6862 * df-problems.c (df_chain_dump): Removed df parameter.
6863 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6864 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6866 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6867 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6868 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6869 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6870 DF_REF_MUST_CLOBBER cases.
6871 (df_ru_bb_local_compute_process_def,
6872 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6873 df_lr_bb_local_compute, df_ur_bb_local_compute,
6874 df_chain_create_bb): Made subreg aware.
6875 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6876 df_lr_bb_local_compute, df_lr_bb_local_compute,
6877 df_chain_create_bb): Cleanup to use proper macros.
6878 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6879 code to fixup bitvectors.
6880 (df_ri_alloc): Cleared lifetime.
6881 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6882 df_create_unused_note): New function.
6883 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6884 REG_DEAD and REG_UNUSED notes as well as register information.
6885 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6886 df_chains_dump): Fixed crash if problem was never run.
6887 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6888 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6889 df_ri_add_problem): Processes flags in uniform manner.
6890 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6891 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6892 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6893 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6894 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6895 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6896 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6897 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6898 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6899 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6900 * see.c (see_initialize_data): Ditto.
6901 * final.c (rest_of_clean_state) Added regstack_completed.
6902 * rtl.h (regstack_completed): Ditto.
6903 * reg-stack.c (regstack_completed): Ditto.
6905 2006-05-19 Mike Stump <mrs@apple.com>
6907 * c-tree.h (default_conversion): Remove.
6908 * c-common.h (default_conversion): Add.
6910 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6912 * tree-vrp.c (valid_value_p): New function.
6913 (adjust_range_with_scev): Fail if the value of bound is not
6916 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6918 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6919 (mips_fallback_frame_state): Use syscall numbers to determine
6920 the appropriate li instruction for the current ABI. Only use
6921 __NR_sigreturn for o32.
6923 2006-05-19 Nicolas Setton <setton@adacore.com>
6925 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6926 * langhooks.c (lhd_dwarf_name): New function.
6927 * langhooks-def.h (lhd_dwarf_name): Declare.
6928 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6929 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6930 * ada/misc.c (gnat_dwarf_name): New function.
6931 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6933 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6935 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6937 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6938 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6939 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6940 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6941 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6942 determine the size of Wtype, etc.
6943 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6944 (swfloatfuncs): New variable.
6945 (dwfloatfuncs): Likewise.
6946 (lib2funcs): Remove floating-point conversion functions from
6947 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6948 the set of conversion routines needed. Allow entries to specify
6949 an object name, filename and word size. Update users accordingly.
6950 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6951 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6955 2006-02-08 Roger Sayle <roger@eyesopen.com>
6958 * config/fixtfdi.c: New libgcc source file.
6959 * config/fixunstfdi.c: New source file.
6960 * config/floatditf.c: New source file.
6961 * config/floatunditf.c: New souce file.
6962 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6963 files above instead of config/mips/_tilib.c.
6964 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6966 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6968 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6969 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6971 2006-05-18 Mike Stump <mrs@apple.com>
6973 Fix up vla, vm and [*] sematics.
6979 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6980 (c_vla_unspec_p): Add.
6981 (c_vla_type_p): Add.
6982 * c-decl.c (struct c_scope): Add had_vla_unspec.
6983 (build_array_declarator): Add support for [*].
6984 (grokdeclarator): Likewise.
6985 (grokparms): Likewise.
6986 (get_parm_info): Likewise.
6987 * c-objc-common.c (c_vla_unspec_p): Likewise.
6988 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6989 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6990 typeof when argument is a variably modified type not inside sizeof or alignof.
6991 (c_parser_direct_declarator_inner): Propagate errors.
6992 (c_parser_sizeof_expression): Add support for [*].
6993 (c_parser_parms_declarator): Initialize had_vla_unspec.
6994 (c_parser_parms_list_declarator): Likewise.
6995 * c-typeck.c (c_vla_type_p): Add.
6996 (composite_type): Add support for vla compositing.
6997 (comptypes_internal): Add support for vla compatibility.
6998 (c_expr_sizeof_expr): Evaluate vla arguments.
6999 * tree.c (variably_modified_type_p): Update comment for [*].
7001 2006-05-18 Michael Matz <matz@suse.de>
7004 * config.host: Make assignments to host_xmake_file cumulative.
7005 * config.host (*-darwin*): Test $host, not $target.
7007 2006-05-12 Stuart Hastings <stuart@apple.com>
7009 * config/i386/i386.opt (-mstackrealign): New flag.
7010 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7011 (ix86_handle_cconv_attribute): Emit error when
7012 force_align_arg_pointer attribute collides with too many regparms.
7013 (ix86_function_regparm): Limit regparms when used with
7014 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7015 Support stack-realigning prologue in non-main functions. Emit
7016 warning for nested functions under -mstackrealign, emit error for
7017 nested functions with force_align_arg_pointer attribute.
7018 * doc/extend.texi (force_align_arg_pointer): Document it.
7019 * doc/invoke.texi (-mstackrealign): Document it.
7021 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7023 PR rtl-optimization/27477
7024 * combine.c (try_combine): Don't split a parallel consisting
7025 of two sets into two individual sets if both sets reference
7028 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7030 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7031 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7033 * doc/options.texi (VarExists): Updated.
7035 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7037 * unwind-dw2.c: Add declarations for uw_update_context and
7039 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7040 detected, advance frame state and context once to skip over stub.
7042 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7046 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7047 Call rewrite_into_loop_closed_ssa only when something changed.
7048 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7049 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7050 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7051 Test for perfect_nest_p here. Fix formating.
7052 (replace_uses_equiv_to_x_with_y): Fix formating.
7053 (stmt_uses_op): Removed.
7054 (can_convert_to_perfect_nest): Removed loopivs parameter.
7055 Complete the test by checking the scalar dependences.
7056 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7059 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7062 From Dan Kegel <dank@kegel.com>:
7063 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7065 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7067 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7068 if the element type is variably modified without recursing.
7070 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7073 * tree-loop-linear.c (try_interchange_loops): Test for
7074 no data dependences.
7076 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7078 PR tree-optimization/27548
7079 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7080 range of ssa names that appear on abnormal edges.
7081 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7082 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7084 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7087 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7089 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7092 * tree.h (OMP_PARALLEL_COMBINED): Define.
7093 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7094 (new_omp_context): Add is_combined_parallel argument.
7095 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7096 new_omp_context caller.
7097 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7098 Adjust gimplify_scan_omp_clauses callers.
7099 (omp_is_private): Issue errors if iteration variable is firstprivate
7100 or reduction in the current context.
7101 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7102 on combined parallel workshare constructs.
7104 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7106 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7107 (gcc-options.o): New rule.
7109 * optc-gen.awk: Protect variables for gcc-options.o with
7110 #ifdef GCC_DRIVER/#endif.
7112 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7114 Fix PR tree-optimization/27373
7115 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7116 (forward_propagate_addr_expr): Update call.
7118 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7120 * doc/options.texi: Move the Negative option.
7122 2006-05-16 Richard Guenther <rguenther@suse.de>
7124 PR tree-optimization/22303
7125 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7127 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7128 ccp_fold did not simplify the statement.
7130 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7133 * Makefile.in (GCC_OBJS): New.
7134 (OBJS-common): Add opts-common.o.
7135 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7136 (cpp$(exeext)): Likewise.
7137 (gcc.o): Also depend on opts.h.
7138 (opts-common.o): New.
7140 * common.opt (gcoff): Add Negative(gdwarf-2).
7141 (gdwarf-2): Add Negative(gstabs).
7142 (gstabs): Add Negative(gstabs+).
7143 (gstabs+): Add Negative(gvms).
7144 (gvms): Add Negative(gxcoff).
7145 (gxcoff): Add Negative(gxcoff+).
7146 (gxcoff+): Add Negative(gcoff).
7147 * config/i386/i386.opt (m32): Add Negative(m64).
7148 (m64): Add Negative(m32).
7150 * doc/options.texi: Document the Negative option.
7152 * gcc.c: Include "opts.h".
7153 (main): Call prune_options after expandargv.
7155 * optc-gen.awk: Generate common declarations for all flag
7156 variables in options.c. Output the neg_index field.
7158 * opts.c (find_opt): Moved to ...
7159 * opts-common.c: Here. New file.
7161 * opts.h (cl_option): Add a neg_index field.
7163 (prune_options): Likewise.
7165 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7168 * omp-low.c (expand_omp_parallel): Don't assert
7169 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7170 instead search for it.
7173 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7176 2006-05-16 Andreas Schwab <schwab@suse.de>
7178 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7181 2006-05-15 Roger Sayle <roger@eyesopen.com>
7184 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7185 integer constants other than zero are only legitimate on TARGET_64BIT.
7186 <CONST_VECTOR> Only zero vectors are legitimate.
7187 (ix86_cannot_force_const_mem): Integral and vector constants can
7188 always be put in the constant pool.
7190 2006-05-16 DJ Delorie <dj@redhat.com>
7192 * crtstuff.c (__dso_handle): Set section from
7193 TARGET_LBIGCC_SDATA_SECTION if defined.
7194 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7195 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7197 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7200 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7203 2006-05-16 Ben Elliston <bje@au.ibm.com>
7205 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7207 2006-05-15 Per Bothner <per@bothner.com>
7209 * tree.c: (last_annotated_node): Use source_locus typedef.
7210 This permits bootstrapping with --enable-mapped-location.
7212 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7214 PR tree-optimization/26830
7215 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7216 (info_for_ssa_name, current_info_for_ssa_name_age,
7217 blocks_to_update): New variables.
7218 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7219 (clear_ssa_name_info, initialize_flags_in_bb,
7220 mark_block_for_update): New functions.
7221 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7222 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7223 prepare_def_site_for): Use mark_block_for_update.
7224 (mark_def_interesting): Assert that the processed block is marked in
7225 blocks_to_update. Do not take blocks argument.
7226 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7228 (rewrite_update_init_block, rewrite_update_stmt): Only process
7229 blocks with statements to rewrite.
7230 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7231 (update_ssa): Initialize and free blocks_to_update. Do not
7232 clear flags on statements. Do not use blocks bitmap.
7233 * tree.h (SSA_NAME_AUX): Removed.
7234 (struct tree_ssa_name): Removed aux field.
7235 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7237 2006-05-15 Richard Guenther <rguenther@suse.de>
7239 PR tree-optimization/27603
7240 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7241 Do computations in original type.
7243 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7245 * see.c: Code style changes such as redundant paranthesis,
7246 redundant intialization of local variables etc.
7247 (see_main): Declared now as static.
7248 * doc/invoke.texi: Update that -fsee is not enabled by
7251 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7253 * omp-low.c (check_omp_nesting_restrictions): New function.
7254 (scan_omp_1): Call it.
7257 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7258 construct, return *VAR.
7260 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7262 PR rtl-optimization/27406
7263 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7266 2006-05-14 Roger Sayle <roger@eyesopen.com>
7268 PR rtl-optimization/27538
7269 * combine.c (expand_compound_operation): Call gen_lowpart
7270 before calling simplify_shift_const.
7272 2006-05-14 Roger Sayle <roger@eyesopen.com>
7274 PR rtl-optimization/22563
7275 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7276 a fixed width bitfield, always force the intermediates into psuedos.
7278 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7281 * mkconfig.sh: Use operator = instead of == for test.
7283 2006-05-13 Nick Clifton <nickc@redhat.com>
7285 * dwarf2out.c (dbx_reg_number): Check return value from
7286 LEAF_REG_REMAP and only use it if it is valid.
7287 (multiple_reg_loc_descriptor): Likewise.
7289 2006-05-13 Richard Guenther <rguenther@suse.de>
7291 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7294 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7296 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7297 information attached to non-INSNs such as NOTEs.
7298 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7300 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7302 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7304 * config/s390/s390.md: Adjust comment describing On constraint.
7306 2006-05-11 Jan Hubicka <jh@suse.cz>
7308 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7309 to be output at -O0.
7311 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7314 * fold-const.c (size_binop): Move sanity check for arguments to
7315 the beginning of the function.
7318 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7321 2006-05-11 Richard Guenther <rguenther@suse.de>
7324 * fold-const.c (fold_unary): Handle intermediate conversion
7325 to a pointer type like intermediate conversion to an integer
7326 type in folding of (T1)(T2)var to var.
7327 Match the code to the comment in the final conversion for
7328 (T1)(T2)var to (T1)var regarding to type precision. Rather
7329 than disallow T1 being of pointer type, assert that both T1
7330 and var are of pointer type or not. Make sure not to fall
7331 over the frontends lazyness wrt array to pointer decay though.
7333 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7335 * arm.c (arm_struct_value_rtx): Delete.
7336 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7337 (arm_init_cumulative_args): Always initialize nregs to zero.
7339 2006-05-10 Richard Guenther <rguenther@suse.de>
7341 PR tree-optimization/27532
7342 * tree-object-size.c (plus_expr_object_size): Fix typo.
7344 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7347 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7348 ashrdi_const, ashrdi3): Use a scratch register.
7350 2006-05-10 Richard Guenther <rguenther@suse.de>
7352 PR tree-optimization/27302
7353 * fold-const.c (operand_equal_p): For two comparisons,
7354 try comparison of one comparison code swapped if that yields
7357 2006-05-10 Ben Elliston <bje@au.ibm.com>
7359 * tree-pretty-print.c (pretty_print_string): No need to handle
7360 '\0' as a special character.
7362 * tree.h: Include "hashtab.h".
7363 (iterative_hash_expr): Use hashval_t in its prototype.
7364 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7366 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7369 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7370 (hppa*64*-*-hpux11*): Ditto.
7371 (hppa[12]*-*-hpux11*): Ditto.
7373 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7376 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7378 2006-05-09 Michael Matz <matz@suse.de>
7380 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7381 host_extra_gcc_objs and host_xmake_file.
7382 (<*-*-linux*>): Don't overwrite host_xmake_file.
7383 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7384 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7385 (host_detect_local_cpu): Declare.
7386 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7387 * config/i386/i386.c (override_options): Handle -mtune=native
7389 * config/i386/x-i386: New file.
7390 * config/i386/driver-i386.c: New file.
7391 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7394 2006-05-09 Dirk Mueller <dmueller@suse.de>
7395 Richard Guenther <rguenther@suse.de>
7398 * fold-const.c (fold_read_from_constant_string): Relax check
7399 for matching types to matching modes.
7401 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7403 PR rtl-optimization/27335
7404 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7407 2006-05-08 Chao-ying Fu <fu@mips.com>
7408 Richard Sandiford <richard@codesourcery.com>
7410 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7411 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7412 * config/mips/mips.md (UNSPEC_SCC): New constant.
7413 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7414 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7415 (mips_emit_compare): Use it.
7416 (mips_expand_vcondv2sf): New function.
7418 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7420 Fix PR tree-optimization/27093
7421 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7422 renaming when they become not-used_alone.
7424 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7426 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7427 relocation and relocation stubs.
7429 2006-05-08 Eric Christopher <echristo@apple.com>
7431 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7434 2006-05-08 Jan Hubicka <jh@suse.cz>
7437 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7438 unused static functions are needed.
7440 2006-05-08 Roger Sayle <roger@eyesopen.com>
7443 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7444 of a reg_equiv_constant if the result is a legitimate constant.
7446 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7449 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7450 standard 80387 constants, raise the cost to prevent
7451 compress_float_constant() to generate load from memory.
7453 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7455 * config/arm/constraints.md (c): Fix a typo.
7457 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7460 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7463 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7465 (_mm_mwait): Likewise.
7467 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7469 (sse3_monitor): Make it 32bit only.
7470 (sse3_monitor64): New. 64bit monitor.
7472 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7475 * config/i386/i386.c (classify_argument): Skip fields with invalid
7478 2006-05-07 Richard Guenther <rguenther@suse.de>
7480 PR tree-optimization/27409
7481 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7482 Do not try to find zero-sized subvars.
7484 2006-05-07 Richard Guenther <rguenther@suse.de>
7486 PR tree-optimization/27136
7487 * tree-ssa-loop-niter.c (get_val_for): Correct function
7488 comment, assert requirements.
7489 (loop_niter_by_eval): Stop processing if the iterated
7490 value did not simplify.
7492 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7494 * opts.c (flag_see): remove its setting at -O3.
7496 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7498 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7499 * arm/constraints.md: New file.
7500 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7501 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7502 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7503 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7504 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7505 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7506 * arm.md: Include constraints.md.
7507 (thumb_movsi_insn): Use satisfies_constraint_J.
7508 (movhi, movqi): Use satisfies_constraint_I.
7510 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7512 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7513 for atmeg a645 device.
7515 2006-05-06 Richard Guenther <rguenther@suse.de>
7517 PR tree-optimization/27151
7518 * tree-vect-transform.c (vectorizable_condition): Punt on
7519 values that have a different type than the condition.
7521 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7524 * c-parser.c (c_parser_cast_expression): Only insert casts into
7525 hash table if pointer.
7526 * function.c (used_types_insert_helper): Rename from
7528 (used_types_insert): Call used_types_insert_helper.
7529 * function.h (used_types_insert): Accept only one argument.
7531 2006-05-05 David Edelsohn <edesohn@gnu.org>
7533 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7534 scratch with output modifier.
7536 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7539 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7540 with output modifier.
7542 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7545 * config/mips/mips.c (mips_symbolic_address_p): Return true
7546 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7547 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7549 2006-05-04 Richard Guenther <rguenther@suse.de>
7551 PR tree-optimization/14287
7552 PR tree-optimization/14844
7553 PR tree-optimization/19792
7554 PR tree-optimization/21608
7555 PR tree-optimization/27090
7556 * tree-ssa-pre.c (try_combine_conversion): New function.
7557 (compute_avail): After constructing the value-handle
7558 expression, use try_combine_conversion to combine NOP_EXPRs
7559 with previous value-handle expressions and use the result if it
7562 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7564 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7566 2006-05-04 Jan Hubicka <jh@suse.cz>
7569 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7571 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7573 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7574 that this only matches CONST_INTs. All users changed to VOIDmode
7577 * config/bfin/bfin.c: Include "optabs.h".
7578 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7580 (enum bfin_builtins): Add a number of fractional and vector builtins.
7581 (bfin_init_builtins): Likewise.
7582 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7583 (safe_vector_operand, bfin_expand_binop_builtin,
7584 bfin_expand_unop_builtin): New functions.
7585 (bfin_expand_builtin): Handle the new builtins.
7586 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7589 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7592 * Makefile.in (OBJS-common): Add see.o.
7593 (see.o): Add dependencies.
7594 * common.opt (fsee): New flag for the see optimization was added.
7595 * opts.c (flag_see): Initialized.
7596 * passes.c (init_optimization_passes, pass_see): New pass.
7597 * rtl.h (see_main): Declaration as extern.
7598 * timevar.def (TV_SEE): New.
7599 * tree-pass.h (pass_see): Declaration as extern.
7600 * invoke.texi (-fsee): Document.
7601 * recog.c (validate_simplify_insn): New function.
7602 * recog.h (validate_simplify_insn): Declaration as extern.
7603 * df-problems.c (df_chain_dump): Check for NULL.
7605 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7606 Daniel Berlin <dberlin@dberlin.org>
7608 * cfgrtl.c (insert_insn_bb_end_new): New function.
7609 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7611 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7613 * df.h (struct web_entry): Moved from web.c.
7614 (union_defs): Declaration as extern.
7615 (unionfind_root): Likewise.
7616 (unionfind_union): Likewise.
7617 * web.c (struct web_entry): Moved to df.h.
7618 (unionfind_root): Remove static declaration.
7619 (unionfind_union): Likewise.
7620 (union_defs): Likewise and generalize to use callback function.
7621 (web_main): Update arguments for union_defs function call.
7623 2006-05-04 Richard Guenther <rguenther@suse.de>
7625 PR tree-optimization/26447
7626 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7627 produce SSA_NAME copies before the store stmt to avoid
7628 breaking exception handling.
7630 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7633 * gimplify.c (omp_is_private): If var is shared in some outer context,
7634 return false instead of true. Stop searching on parallel context
7637 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7640 * coverage.c: Use get_gcov_unsigned_t() instead of
7641 unsigned_type_node all over.
7643 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7645 PR tree-optimization/27381
7646 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7647 maintain the same immediate_use links.
7648 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7649 node rather than segfaulting.
7651 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7654 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7655 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7656 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7658 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7660 Fix PR tree-optimization/26626
7661 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7663 * tree-ssa-operands.c (access_can_touch_variable): Allow
7664 typecasting through union pointers.
7666 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7669 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7670 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7671 to find if var will be a global variable even in the nested context.
7672 (omp_copy_decl): Only check for global variable at the end, it might
7673 be overridden in outer contexts.
7674 (scan_sharing_clauses): For global variables don't create a field.
7675 (lower_rec_input_clauses): Do nothing for global shared variables.
7676 Emit a barrier at the end of ILIST if there were any decls in both
7677 firstprivate and lastprivate clauses.
7678 (lower_send_clauses): Do nothing for global variables except for
7681 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7683 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7684 of the correct signedness is returned.
7686 2006-05-02 Jeff Law <law@redhat.com>
7688 PR tree-optimization/27364
7689 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7690 multiply expressions.
7692 2006-05-02 Tom Tromey <tromey@redhat.com>
7694 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7696 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7699 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7700 -mthumb -fPIC are used.
7702 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7703 Joshua Kinard <kumba@gentoo.org>
7706 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7707 with 64-bit pointers.
7709 2006-05-02 Paul Brook <paul@codesourcery.com>
7711 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7713 (create_fix_barrier): Check that a suitable barrier location is
7715 (arm_reorg): Include ftmp->address in allowable range of addresses.
7717 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7720 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7723 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7726 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7727 around RESULT_DECL for result passed by reference.
7728 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7729 * omp-low.c (use_pointer_for_field): Don't look at
7730 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7731 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7732 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7733 time or var for passing by reference for
7734 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7735 TREE_ADDRESSABLE variables when passing by reference.
7737 * omp-low.c (dump_omp_region): Fix output formatting.
7740 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7741 (expand_omp_parallel): Likewise.
7742 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7745 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7746 on statement list containing also constructors and destructors.
7747 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7750 * except.c (duplicate_eh_regions): Fix clearing of
7751 cfun->eh->region_array entries.
7753 2006-05-01 DJ Delorie <dj@redhat.com>
7755 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7757 (gcc_cv_objdump): Likewise.
7758 * configure: Regenerated.
7760 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7763 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7764 templates for case 3 and 4.
7766 2006-05-01 DJ Delorie <dj@redhat.com>
7768 * vec.c: Include bconfig.h when appropriate.
7769 * Makefile.in (build/vec.o): Adjust dependencies.
7770 * mkconfig.sh: Make sure config.h isn't used for build machine
7773 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7775 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7777 (mark_phi_for_rewrite): New function.
7778 (insert_phi_nodes_for, mark_use_interesting): Call
7779 mark_phi_for_rewrite.
7780 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7781 (update_ssa): Initialize and free phis_to_rewrite.
7783 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7785 PR rtl-optimization/27291
7786 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7787 folded to a constant.
7789 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7791 PR tree-optimization/27283
7792 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7793 not whole # of iteration descriptions.
7794 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7795 uses abnormal ssa name.
7796 (niter_for_single_dom_exit): Ditto.
7797 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7798 return just the number of iterations.
7800 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7802 PR tree-optimization/27144
7803 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7804 (record_estimate): Only record constant upper bound.
7805 (infer_loop_bounds_from_undefined): Call
7806 compute_estimated_nb_iterations just once.
7807 (proved_non_wrapping_p): Renamed to ...
7808 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7809 (convert_step_widening, scev_probably_wraps_p): Call
7810 n_of_executions_at_most instead of proved_non_wrapping_p.
7811 (substitute_in_loop_info): Do not replace values in bounds.
7812 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7815 2006-05-01 Richard Henderson <rth@redhat.com>
7818 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7819 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7822 2006-05-01 Roger Sayle <roger@eyesopen.com>
7824 * c-typeck.c (parser_build_binary_op): Don't call the function
7825 unsigned_conversion_warning to spot operand/result type overflow.
7826 (build_binary_op): Instead, call convert_and_check instead of
7827 convert to report the problem when the operands are promoted.
7828 * c-common.c (unsigned_conversion_warning): Make static.
7829 * c-common.h (unsigned_conversion_warning): Delete prototype.
7831 2006-05-01 Richard Guenther <rguenther@suse.de>
7833 PR tree-optimization/26726
7834 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7836 (find_interesting_uses_address): ... we work around here
7837 by folding INDIRECT_REFs in the substituted base.
7839 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7841 * omp-low.c (dump_omp_region): Add newlines.
7843 2006-04-30 Roger Sayle <roger@eyesopen.com>
7845 * common.opt (Woverflow): New command line option.
7846 * c-common.c (constant_expression_warning): Check warn_overflow.
7847 (overflow_waring): Pass OPT_Woverflow to warning.
7848 (unsigned_conversion_warning): Likewise.
7849 (convert_and_check): Likewise.
7850 * doc/invoke.texi: Document new command line option.
7852 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7854 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7855 TARGET_NO_FP_IN_TOC for section anchors.
7856 (optimization_options): Enable section anchors for all
7857 non-"Objective" languages.
7859 2006-04-28 Eric Christopher <echristo@apple.com>
7861 * config/darwin-c.c (darwin_ms_struct): Move this
7862 (darwin_set_default_type_attributes): and this...
7863 * config/darwin.c: ... here.
7864 * config/darwin.h (darwin_ms_struct): Declare.
7866 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7868 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7870 2006-04-28 Roger Sayle <roger@eyesopen.com>
7873 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7874 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7875 an unsigned HOST_WIDE_INT.
7876 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7878 (really_start_incremental_init): No need to call convert because
7879 bitsize_zero_node is already of type bitsizetype.
7880 (push_init_level): Extract the value of constructor_index as an
7881 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7882 (process_init_element): Likewise.
7884 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7886 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7887 value before passing to make_relative_prefix.
7889 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7892 * builtins.c (expand_builtin_memset): Expand val in original mode.
7894 2006-04-27 Eric Christopher <echristo@apple.com>
7896 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7897 with #ifndef/#endif.
7898 * config/darwin-c.c (darwin_ms_struct): New.
7899 (darwin_pragma_ms_struct): Ditto.
7900 (darwin_set_default_type_attributes): Ditto.
7901 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7902 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7903 Register ms_struct pragma.
7904 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7905 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7906 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7907 darwin_set_default_type_attributes if TARGET_MACHO.
7909 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7911 PR tree-optimization/26854
7912 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7913 * doc/tree-ssa.texi: Update immuse iterator documentation.
7914 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7915 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7916 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7917 first_safe_imm_use, next_safe_imm_use): Remove.
7918 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7919 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7920 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7921 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7922 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7923 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7924 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7925 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7926 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7927 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7928 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7929 (perfect_nestify): Use new iterator.
7930 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7932 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7933 (next_imm_name): New field in struct immediate_use_iterator_d.
7934 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7935 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7936 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7937 * tree-cfg.c (replace_uses_by): Use new iterator.
7938 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7939 * tree-ssa-operands.c (correct_use_link): Remove.
7940 (finalize_ssa_use_ops): No longer call correct_use_link.
7942 2006-04-27 Stuart Hastings <stuart@apple.com>
7944 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7945 * config/t-darwin (crt3.o): Use it.
7946 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7947 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7948 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7949 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7950 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7953 2006-04-27 Roger Sayle <roger@eyesopen.com>
7955 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7956 size, force the intermediate into a new pseudo rather instead of
7957 performing both a bitwise AND and a bitwise IOR in memory.
7959 2006-04-27 Richard Guenther <rguenther@suse.de>
7961 PR rtl-optimization/26685
7962 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7963 this one "max-flow-memory-locations".
7965 2006-04-27 Richard Guenther <rguenther@suse.de>
7967 PR tree-optimization/25148
7968 * tree-vrp.c (compare_values): Remove code dealing with
7969 comparisons against type min/max value. Honour overflow
7970 and negative constants in code dealing with comparisons
7971 of plus and minus expressions.
7972 (value_inside_range): Use fold_binary with LE_EXPR and
7973 GE_EXPR rather than compare_values.
7975 2006-04-27 Dirk Mueller <dmueller@suse.de>
7977 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7980 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7982 * basic-block.h (safe_insert_insn_on_edge): Removed.
7983 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7985 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7986 Paolo Bonzini <bonzini@gnu.org>
7989 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7990 (simplify_and_const_int): Same.
7992 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7994 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7996 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7999 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8000 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8001 cgraph_global_info_ready.
8004 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8007 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8008 either decl or init is error_mark_node.
8011 * tree-flow.h (struct omp_region): Add sched_kind.
8012 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8013 instead of extracting omp for data.
8014 (expand_omp_for): Save extracted sched_kind.
8016 2006-04-25 Roger Sayle <roger@eyesopen.com>
8018 * expmed.c (store_bit_field): Also check whether the bitsize is
8019 valid for the machine's "insv" instruction before moving the
8020 target into a pseudo for use with the insv.
8021 * config/i386/predicates.md (const8_operand): New predicate.
8022 * config/i386/i386.md (extv, extzv, insv): Use the new
8023 const8_operand predicate where appropriate.
8025 2006-04-25 DJ Delorie <dj@redhat.com>
8027 * doc/install.texi (Specific): Clarify that this is not a list of
8028 supported hosts or targets.
8030 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8032 PR rtl-optimization/26725
8033 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8034 block's BB_DIRTY flag.
8036 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8038 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8041 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8042 to print an integer.
8044 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8046 * varasm.c (align_variable): New function.
8047 (get_block_for_decl): Apply align_variable to DECL before
8048 calculating section information.
8049 (assemble_variable): Split out alignment computation.
8051 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8053 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8056 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8058 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8059 MODE_PARTIAL_INT mode.
8060 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8061 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8063 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8064 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8066 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8068 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8070 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8071 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8072 MACFLAG_IH): Likewise.
8073 (movstricthi_1): Renamed from "*movstricthi".
8074 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8075 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8076 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8077 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8078 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8079 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8080 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8081 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8082 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8083 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8084 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8085 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8086 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8087 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8088 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8090 * doc/rtl.texi (ss_ashift): Improve wording.
8092 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8094 * dwarf2out.c (verify_marks_clear): New.
8095 (prune_unused_types): Call verify_marks_clear initially, not
8098 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8100 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8101 * doc/rtl.texi: Document them.
8102 * simplify-rtx.c (simplify_unary_operation,
8103 simplify_binary_operation_1): Don't abort when we see them.
8105 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8108 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8109 * configure.ac: Completely disregard languages that are not
8111 * configure: Regenerated.
8113 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8114 Richard Guenther <rguenther@suse.de>
8116 PR tree-optimization/27236
8117 * tree-inline.c (copy_body_r): Make sure to copy
8118 TREE_THIS_VOLATILE flag.
8120 2006-04-24 Richard Guenther <rguenther@suse.de>
8123 * tree-complex.c (update_parameter_components): Don't handle
8124 unused parameters which have no default def.
8126 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8127 Richard Guenther <rguenther@suse.de>
8129 PR tree-optimization/27218
8130 * tree-inline.c (expand_call_inline): Strip useless type
8131 conversions for the return slot address.
8133 2006-04-24 Richard Guenther <rguenther@suse.de>
8135 * cfgloop.h (struct loops): Remove unused field array. Reorder
8137 (LOOP_PREFETCH): Remove.
8139 2006-04-24 Richard Guenther <rguenther@suse.de>
8141 PR tree-optimization/22525
8142 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8143 variable, adjust types of generated expressions.
8145 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8147 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8148 (tree-vect-patterns.o): Likewise.
8150 (cselib.o): Likewise.
8151 (loop-doloop.o): Likewise.
8152 (regclass.o): Likewise.
8153 (reload1.o): Likewise.
8154 (explow.o): Replace target.h with $(TARGET_H).
8155 (ipa-prop.o): Likewise.
8156 (ipa-cp.o): Likewise.
8157 (ipa-inline.o): Likewise.
8158 (reorg.o): Likewise.
8159 (reg-stack.o): Likewise.
8161 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8163 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8165 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8167 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8169 * configure.ac: Completely disregard languages that are not
8171 * configure: Regenerated.
8174 * c-common.h (c_build_bitfield_integer_type): Declare.
8175 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8176 * c-common.c (c_build_bitfield_integer_type): ... here.
8178 2006-04-23 Roger Sayle <roger@eyesopen.com>
8181 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8182 a SImode SUBREG of a floating point register after no_new_pseudos.
8184 2006-04-23 Roger Sayle <roger@eyesopen.com>
8186 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8187 identify potentially eliminable registers to additionally catch
8188 VIRTUAL_INCOMING_ARGS_REGNUM.
8189 (addsi3): Update the conditions on when to use addsi_small_int.
8191 2006-04-23 Roger Sayle <roger@eyesopen.com>
8194 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8195 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8196 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8198 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8200 * fold-const.c (range_predecessor): Use operand_equal_p
8201 as the predicate for equality.
8202 (range_successor): Likewise.
8204 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8207 * config/soft-fp/op-common.h: Fix a typo.
8209 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8212 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8213 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8215 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8217 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8219 * doc/tm.texi: Fix a typo.
8221 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8223 * dwarf2out.c (struct die_struct): Document that die_sib makes
8224 a circular linked list.
8225 (FOR_EACH_CHILD): New.
8226 (reverse_die_lists): Delete.
8227 (reverse_all_dies): Delete.
8228 (add_dwarf_attr): Correct documentation.
8229 (remove_child_with_prev): New.
8230 (remove_child_TAG): Update for change to die_struct, use
8231 remove_child_with_prev.
8232 (add_child_die): Update for change to die_struct.
8233 (splice_child_die): Use remove_child_with_prev and add_child_die.
8234 (print_die): Use FOR_EACH_CHILD.
8235 (die_checksum): Likewise.
8236 (assign_symbol_names): Likewise.
8237 (output_location_lists): Likewise.
8238 (build_abbrev_table): Likewise.
8239 (calc_die_sizes): Likewise.
8240 (mark_dies): Likewise.
8241 (unmark_dies): Likewise.
8242 (unmark_all_dies): Likewise.
8243 (output_die): Likewise.
8244 (prune_unused_types_mark): Likewise.
8245 (prune_unused_types_walk): Likewise.
8246 (same_die_p): Update for change to die_struct.
8247 (break_out_includes): Likewise.
8248 (prune_unused_types_prune): Likewise.
8249 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8250 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8252 (dwarf2out_finish): Don't call reverse_all_dies.
8254 2006-04-21 Eric Christopher <echristo@apple.com>
8256 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8257 in comments and function names.
8259 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8262 * c-typeck.c (digest_init): Robustify.
8264 * c-typeck.c (pop_init_level): Simplify.
8266 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8268 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8270 2006-04-21 Paul Brook <paul@codesourcery.com>
8272 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8273 hardware floating point.
8275 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8277 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8280 2006-04-21 Nick Clifton <nickc@redhat.com>
8282 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8285 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8288 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8289 C++ lang type in traceback table for Objective-C++.
8291 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8293 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8295 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8297 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8300 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8301 were errors. Remove check for erroneous objects.
8303 2006-04-20 Jeff Law <law@redhat.com>
8305 PR tree-optimization/26854
8306 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8307 checking for zero or one use.
8308 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8309 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8310 * tree-ssa-reassoc.c (negate_value): Similarly.
8311 (reassociate_bb): Similarly.
8313 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8315 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8316 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8317 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8319 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8321 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8322 fp regs if the last fp arg doesn't fit in regs.
8324 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8327 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8328 that the last insn has the REG_INC note.
8330 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8331 Nathan Sidwell <nathan@codesourcery.com>
8334 * stor-layout.c (update_alignment_for_field): Do not align
8336 (place_union_field): Place union field at the start of the union.
8337 (place_field): Move ERROR_MARK check later, and use the current
8338 allocation position to maintain monotonicity.
8340 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8342 * dominance.c: Include timevar.h.
8343 (calculate_dominance_info): Use TV_DOMINANCE.
8344 * timevar.def (TV_DOMINANCE): New timevar.
8345 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8347 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8349 PR rtl-optimization/14261
8350 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8351 move would be an INSV insn.
8352 (noce_process_if_block): Don't optimize if the destination is a
8353 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8355 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8357 * config/s390/s390.md: Add comments with the instructions emitted
8358 by an insn pattern if macros are used.
8360 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8362 PR rtl-optimization/26026
8363 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8364 is a known power of two shifted left a variable amount.
8366 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8368 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8369 to hash table twice when the debug_str section has SECTION_MERGE.
8371 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8373 * config/soft-fp: New directory. From glibc.
8374 * config/soft-fp/t-softfp: New.
8375 * config/soft-fp/README: New.
8376 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8377 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8378 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8379 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8380 * config.gcc: Use rs6000/t-fprules-fpbit or
8381 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8383 * config/rs6000/sfp-machine.h: New. Based on glibc.
8384 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8386 * config/rs6000/t-fprules: Remove fp-bit rules.
8387 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8388 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8389 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8390 (softfp_wrap_start, softfp_wrap_end): New.
8392 2006-04-18 DJ Delorie <dj@redhat.com>
8394 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8396 2006-04-18 Devang Patel <dpatel@apple.com>
8398 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8400 2006-04-18 Nick Clifton <nickc@redhat.com>
8402 * config/sh/t-symbian: Add rule to build sh-c.o
8403 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8404 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8405 (sh_symbian_encode_section_info): Likewise.
8407 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8409 * builtins.c (expand_builtin_strcmp): Cover label definition of
8410 do_libcall with HAVE_cmpstrnsi.
8412 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8414 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8416 * function.h (temp_slot_p): New.
8417 (function): Change the type of x_used_temp_slots to
8418 VEC(temp_slot_p,gc) *.
8420 2006-04-18 Nick Clifton <nickc@redhat.com>
8422 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8423 flag_strength_reduce.
8425 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8427 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8431 Partial revert of revision 112637
8432 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8433 Dale Johannesen <dalej@apple.com>
8436 * regclass.c (struct reg_pref): Update documentation.
8437 (regclass): Set prefclass to NO_REGS if memory is the best option.
8438 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8440 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8442 PR tree-optimization/26821
8443 * tree-ssa-math-opts.c (get_constant_one): New.
8444 (insert_reciprocals): Use it.
8446 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8448 * dwarf2out.c (free_AT): Delete.
8449 (remove_AT): Update string ref counts.
8450 (remove_child_TAG): Don't call free_die.
8452 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8453 or DW_TAG_GNU_EINCL.
8454 (prune_unused_types_walk_attribs): Reset string refcounts.
8455 (prune_unused_types_update_strings): New.
8456 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8457 call free_die. Do call prune_unused_types_update_strings.
8458 (prune_unused_types): Empty debug_str_hash.
8460 2006-04-17 Roger Sayle <roger@eyesopen.com>
8462 * expr.c (expand_assignment): Optimize away no-op moves where the
8463 source and destination are equal and have no side-effects.
8465 2006-04-17 Richard Guenther <rguenther@suse.de>
8468 * reload.c (push_reload): Guard calls to get_secondary_mem
8471 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8473 * alias.c (reg_base_value, old_reg_base_value): Change the
8474 type to VEC(rtx,gc) *.
8475 (REG_BASE_VALUE, find_base_value, record_set,
8476 init_alias_analysis): Use VEC instead of VARRAY.
8478 * alias.c (alias_sets): Change the type to
8479 VEC(alias_set_entry,gc) *.
8480 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8481 VEC instead of VARRAY.
8482 (last_alias_set): Remove.
8484 * cgraph.h (cgraph_edge_p): New.
8485 Update the prototype of cgraph_function_versioning.
8486 * cgraphunit.c (cgraph_copy_node_for_versioning,
8487 cgraph_function_versioning): Use VEC instead of VARRAY.
8488 * ipa-cp.c (ipcp_insert_stage): Likewise.
8490 2006-04-16 Roger Sayle <roger@eyesopen.com>
8493 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8494 "A op B" or "A op C", we may need to convert A to the type of B and C.
8496 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8498 * target.h (struct gcc_target): Add mode_rep_extended.
8499 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8500 (init_num_sign_bit_copies_in_rep): Initialize it using
8502 (truncate_to_mode): Use it.
8503 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8504 * targhooks.h (default_mode_rep_extended): Declare it.
8505 * targhooks.c (default_mode_rep_extended): Define it.
8506 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8507 default_mode_rep_extended.
8508 (TARGET_INITIALIZER): Include it.
8509 * doc/tm.texi (Misc): Document it.
8510 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8511 (mips_truncated_to_mode): New function.
8513 2006-04-16 Roger Sayle <roger@eyesopen.com>
8516 * expr.c (compress_float_constant): Copy the narrow constant into
8517 a new pseudo before extending it to its final width.
8519 2006-04-16 Roger Sayle <roger@eyesopen.com>
8520 Andrew Pinski <pinskia@gcc.gnu.org>
8521 Dale Johannesen <dalej@apple.com>
8524 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8525 special case code to implement V8HImode and V16QImode with SSE2.
8527 2006-04-15 Roger Sayle <roger@eyesopen.com>
8529 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8530 trees are constructed with a suitable tree type.
8532 2006-04-15 Roger Sayle <roger@eyesopen.com>
8534 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8535 (integer_onep): Likewise.
8536 (integer_all_onesp): Likewise.
8537 (integer_pow2p): Likewise.
8538 (integer_nonzerop): Likewise.
8539 (real_zerop): Likewise.
8540 (real_onep): Likewise.
8541 (real_twop): Likewise.
8542 (real_minus_onep): Likewise.
8543 (int_size_in_bytes): Likewise.
8544 (host_integerp): Likewise.
8546 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8548 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8549 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8550 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8552 * tree-ssa-structalias.h (alias_info): Remove num_references.
8554 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8556 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8557 (output_bvb patterns): Likewise.
8558 * pa.c (output_bb): Use 'bb' insn for long branch case.
8559 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8560 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8561 1. Correct length operand for alternatives 1 and 2.
8562 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8563 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8565 2006-04-14 Roger Sayle <roger@eyesopen.com>
8567 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8568 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8569 were accidentally reverted by r112959.
8571 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8574 * except.h (eh_region_outermost): New prototype.
8575 * except.c (eh_region_outermost): New function.
8576 * tree-cfg.c (find_outermost_region_in_block): Use it.
8578 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8580 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8582 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8583 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8584 (init_reload, reload): Use VEC instead of VARRAY.
8585 * reload.h: Update the prototype for
8586 reg_equiv_memory_loc_varray.
8588 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8589 Eric Botcazou <ebotcazou@libertysurf.fr>
8591 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8594 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8597 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8598 to expand fallback builtin function call.
8600 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8603 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8604 and emit libcall here in case the builtin fails.
8605 (expand_builtin_strcmp): Always emit the libcall here on failure.
8607 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8609 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8610 * flow.c (reg_n_info): Change the type to
8611 VEC(reg_info_p,heap) *.
8612 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8614 * regs.h (reg_info_p): New.
8615 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8616 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8617 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8620 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8622 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8624 * params.h (MAX_SCHED_READY_INSNS): New macro.
8625 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8626 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8627 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8628 the ready list for 1 cycle during the first scheduling pass.
8629 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8631 2006-04-13 Richard Henderson <rth@redhat.com>
8634 * gimple-low.c (lower_omp_directive): Remove dead code.
8635 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8636 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8637 * omp-low.c (struct omp_region): Move to tree-flow.h.
8638 (root_omp_region): Export.
8639 (omp_regions, lookup_omp_region): Remove.
8640 (determine_parallel_type): Update for struct omp_region changes.
8641 (dump_omp_region): Dump regions with block numbers.
8642 (new_omp_region): Take type and block instead of stmt; malloc
8644 (free_omp_region_1, free_omp_regions): New.
8645 (expand_parallel_call): Take entry_stmt as argument; update for
8646 changes to omp_region.
8647 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8648 (remove_exit_barriers): New.
8649 (expand_omp_parallel): Update for struct omp_region changes.
8650 (expand_omp_synch): Likewise.
8651 (expand_omp): Likewise.
8652 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8653 (expand_omp_for_static_chunk): Likewise.
8654 (expand_omp_for): Likewise.
8655 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8656 (expand_omp_sections): Similarly, with GOMP_sections_end.
8657 (expand_omp_single): New.
8658 (build_omp_regions_1): Update for OMP_CONTINUE.
8659 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8660 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8661 OMP_SECTIONS_SECTIONS.
8662 (lower_omp_single_simple): Don't emit barrier here.
8663 (lower_omp_single_copy): Likewise.
8664 (lower_omp_single): Fix bindings, and lower to straightline now.
8665 (lower_omp_master, lower_omp_ordered): Likewise.
8666 (lower_omp_critical): Likewise.
8667 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8668 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8669 omp edges, free it afterward.
8670 (make_omp_sections_edges): Remove.
8671 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8672 (move_stmt_r): Handle OMP_CONTINUE.
8673 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8674 statement pointers to basic blocks. Add type member.
8675 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8676 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8677 * tree-inline.c (estimate_num_insns_1): Likewise.
8678 * tree-pretty-print.c (dump_generic_node): Likewise.
8679 * tree-ssa-operands.c (get_expr_operands): Likewise.
8680 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8681 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8682 (OMP_CONTINUE): New.
8683 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8684 (OMP_SECTIONS_SECTIONS): Remove.
8685 (OMP_SECTION_LAST): New.
8686 (OMP_RETURN_NOWAIT): New.
8688 2006-04-13 Roger Sayle <roger@eyesopen.com>
8690 * fold-const.c (native_encode_vector, native_interpret_real):
8691 Correct obvious mistakes in the previous check-in.
8693 2006-04-13 Roger Sayle <roger@eyesopen.com>
8695 * fold-const.c (native_encode_expr): New function to encode
8696 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8697 or VECTOR_CST into a specified buffer.
8698 (native_encode_int): New function.
8699 (native_encode_real): New function.
8700 (native_encode_complex): New function.
8701 (native_encode_vector): New function.
8702 (native_interpret_expr): Inverse of native_encode_expr to convert
8703 a target representation into an INTEGER_CST, REAL_CST etc...
8704 (native_interpret_int): New function.
8705 (native_interpret_real): New function.
8706 (native_interpret_complex): New function.
8707 (native_interpret_vector): New function.
8708 (fold_view_convert_expr): New function to constant fold/evaluate
8709 a VIEW_CONVERT_EXPR of a suitable constant expression.
8710 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8711 Change call of build1 to fold_build1 when constructing a
8714 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8715 Ulrich Weigand <uweigand@de.ibm.com>
8718 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8721 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8724 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8725 optimize to lo_sum for DFmode if !TARGET_FPRS.
8727 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8729 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8730 delete_alias_info, compute_flow_sensitive_aliasing,
8731 group_aliases): Use VEC instead of VARRAY.
8732 * tree-ssa-structalias.c (update_alias_info): Likewise.
8733 * tree-ssa-structalias.h (alias_info): Change the type of
8734 processed_ptrs to VEC(tree,heap) *.
8736 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8739 * config/sh/lib1funcs.h: New file, broken out of:
8740 * config/sh/lib1funcs.asm.
8741 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8743 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8744 * config/sh/lib1funcs-Os-4-200.asm: New file.
8745 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8746 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8747 (EXTRA_MULTILIB_PARTS): Include it.
8748 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8749 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8750 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8751 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8754 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8756 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8757 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8758 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8760 * tree-ssa-live.h: Include vecprim.h.
8761 (tree_partition_associator_d): Change the type of
8762 first_partition to VEC(int,heap) *.
8763 (tpa_first_partition): Use VEC instead of VARRAY.
8765 * Makefile.in (GTFILES): Move functions.h after tree.h.
8766 * function.c (reset_block_changes, record_block_change,
8767 check_block_change, free_block_changes): Use VEC instead of
8769 * function.h (function): Change the type of
8770 ib_boundaries_block to VEC(tree,gc) *.
8771 * tree-inline.c (copy_cfg_body): Initialize
8772 ib_boundaries_block to NULL instead of (varray_type) 0.
8774 2006-04-12 Roger Sayle <roger@eyesopen.com>
8776 * expr.c (emit_group_store): Correct operand order in call to
8777 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8778 a SUBREG_BYTE of zero.
8780 2006-04-12 Richard Guenther <rguenther@suse.de>
8782 * profile.c (compute_branch_probabilities): Remove code
8783 encapsulated in !ir_type (), which are remanents of the
8784 removed RTL profiling code.
8785 * rtl-profile.c: Remove.
8787 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8789 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8790 magic NULL_RTX comment.
8791 (function_arg): Store entire fp arg to mem if any part should go
8793 (rs6000_arg_partial_bytes): Adjust for above change.
8795 2006-04-11 Roger Sayle <roger@eyesopen.com>
8797 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8798 if it hasn't been initialized by dwarf2out_init.
8800 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8802 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8803 symbolic constants in branch patterns.
8805 2006-04-11 Roger Sayle <roger@eyesopen.com>
8807 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8809 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8811 PR rtl-optimization/27073
8812 * gcse.c (try_replace_reg): Revert last change. Continue to search
8813 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8816 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8818 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8819 aggregate types other than record and union types.
8820 (function_arg): Likewise.
8821 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8823 (function_value): In 64-bit mode, return objects that require it
8826 2006-04-11 Roger Sayle <roger@eyesopen.com>
8828 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8830 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8832 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8834 2006-04-03 Jeff Law <law@redhat.com>
8837 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8838 alias information too.
8840 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8842 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8844 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8847 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8848 (premark_used_types_helper): New.
8849 (premark_used_types): New.
8850 (gen_subprogram_die): Call premark_used_types.
8851 (prune_unused_types_walk): Do not prune perennial dies.
8852 * function.c (used_types_insert): New.
8853 * function.h (struct function): Add used_types_hash field.
8854 (used_types_insert): Add prototype.
8855 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8856 * c-parser.c (c_parser_cast_expression): Save casted types in used
8859 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8862 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8863 rs6000_explicit_options.float_gprs.
8865 2006-04-10 Roger Sayle <roger@eyesopen.com>
8867 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8868 from ix86_expand_vector_init_low_nonzero. Take an additional
8869 one_var argument indicating which element is non-zero. Support
8870 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8871 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8872 with one_var instead of ix86_expand_vector_init_low_nonzero.
8874 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8876 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8877 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8878 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8879 build/genextract.o): Depend on vecprim.h.
8880 * cfglayout.c, df-problems.c, function.c, genextract.c,
8881 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8882 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8886 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8888 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8889 Declare VECs of this type.
8890 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8891 (remove_children): Delete.
8892 (add_dwarf_attr): Use VEC routines.
8893 (add_AT_flag): Update for changes to add_dwarf_attr.
8894 (add_AT_int): Likewise.
8895 (add_AT_unsigned): Likewise.
8896 (add_AT_long_long): Likewise.
8897 (add_AT_vec): Likewise.
8898 (add_AT_string): Likewise.
8899 (add_AT_die_ref): Likewise.
8900 (add_AT_fde_ref): Likewise.
8901 (add_AT_loc): Likewise.
8902 (add_AT_loc_list): Likewise.
8903 (add_AT_addr): Likewise.
8904 (add_AT_lbl_id): Likewise.
8905 (add_AT_lineptr): Likewise.
8906 (add_AT_macptr): Likewise.
8907 (add_AT_offset): Likewise.
8908 (add_AT_range_list): Likewise.
8909 (get_AT): Use VEC_iterate.
8910 (remove_AT): Use VEC_ordered_remove.
8911 (free_die): Fold remove_children into here; have it use VEC_iterate.
8912 (print_die): Use VEC_iterate on attrs.
8913 (reverse_die_lists): Don't reverse attr lists.
8914 (die_checksum): Use VEC_iterate on attrs.
8915 (same_die_p): Likewise.
8916 (output_location_lists): Likewise.
8917 (build_abbrev_table): Likewise.
8918 (size_of_die): Likewise.
8919 (unmark_all_dies): Likewise.
8920 (output_abbrev_section): Likewise.
8921 (output_die): Likewise.
8922 (prune_unused_types_walk_attribs): Likewise.
8924 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8926 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8928 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8931 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8933 2006-04-09 Roger Sayle <roger@eyesopen.com>
8935 * expr.c (store_constructor): Don't bother clearing target if
8936 we're about to assign a vector to it using vec_init_optab.
8938 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8940 * tree-ssa-alias.c (lhs_may_store_to): New function.
8941 (recalculate_used_alone): Handle LHS of calls.
8943 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8947 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8948 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8949 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8950 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8951 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8952 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8953 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8954 stubs. Add ".align 8" directives before all ".dword" directives.
8955 (GTHREAD_USE_WEAK): Revise comment.
8956 (TARGET_ATTRIBUTE_WEAK): Define.
8957 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8958 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8959 * stublib.c: New file.
8964 * pa.md (cbranch patterns): Revise arguments used in calls to
8965 output_cbranch, output_bb and output_bvd. Add long branch length
8967 (fbranch patterns): Handle long branches.
8968 (jump): Revise length check. Revise arguments for output_lbranch call.
8969 Add long branch length attributes.
8970 (decrement_and_branch_until_zero): Add long branch length attributes.
8971 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8972 Likewise. Revise arguments for output_parallel_addb and
8973 output_parallel_movb calls.
8974 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8975 output_parallel_movb and output_parallel_addb): Update prototypes.
8976 * pa.c (output_cbranch): Revise arguments. Correct handling of
8977 nullification in long branches.
8978 (output_lbranch): Add new argument to control extraction of delay
8980 (output_bb): Handle long branches.
8981 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8982 output_parallel_addb): Likewise.
8984 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8986 PR rtl-optimization/27073
8987 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8990 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8992 * tree.h (tree_memory_tag): Add old_used_alone.
8993 (SMT_OLD_USED_ALONE): New macro.
8994 * tree-ssa-alias.c (recalculate_used_alone): Stop
8995 marking things for renaming unnecessarily.
8997 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8999 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9000 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9001 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9002 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9003 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9004 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9005 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9006 spelling convensions.
9007 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9008 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9009 typos. Follow spelling conventions.
9011 2006-04-07 DJ Delorie <dj@redhat.com>
9013 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9014 passed on the stack.
9015 (m32c_init_cumulative_args): When a function returns a structure,
9016 always pass the pointer to that return area on the stack.
9017 (m32c_function_arg_advance): Don't increment the parameter number
9018 if we're processing the returned structure pointer.
9019 (pushm_info): Reverse order of registers.
9021 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9023 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9024 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9025 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9026 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9028 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9029 chrec_fold_multiply): Same.
9030 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9031 force_expr_to_var_cost): Same.
9032 * tree-mudflap.c (mf_xform_derefs_1): Same.
9033 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9035 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9037 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9038 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9041 2006-04-07 Jan Hubicka <jh@suse.cz>
9043 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9045 2006-04-07 Richard Guenther <rguenther@suse.de>
9047 PR tree-optimization/26135
9048 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9049 loads for store copy-prop.
9050 (copy_prop_visit_stmt): Likewise.
9052 2006-04-05 Robert Millan <robertmh@gnu.org>
9054 * config/i386/linux.h: Add a comment to mark macros that are
9055 being overriden in config/k*bsd-gnu.h.
9056 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9058 * config/knetbsd-gnu.h: Ditto.
9060 2006-04-06 Jan Hubicka <jh@suse.cz>
9064 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9067 2006-04-06 Mike Stump <mrs@apple.com>
9069 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9070 for HAVE_nonlocal_goto to be consistent.
9071 (expand_builtin_nonlocal_goto): Likewise.
9072 (expand_builtin_strcmp): Use #ifdef instead of #if
9073 for HAVE_cmpstrnsi to be consistent.
9075 2006-04-05 DJ Delorie <dj@redhat.com>
9077 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9080 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9082 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9083 got-relative addressing for anything but SImode.
9085 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9086 even if the calling function doesn't modify them.
9088 2006-04-05 Richard Guenther <rguenther@suse.de>
9090 PR tree-optimization/26919
9091 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9092 to cgraph_estimate_size_after_inlining.
9094 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9096 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9098 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9100 PR tree-optimization/26996
9101 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9102 VECTOR_TYPE variables.
9104 2006-04-05 Richard Guenther <rguenther@suse.de>
9106 PR tree-optimization/26763
9107 * fold-const.c (fold_comparison): Move folding of
9108 PTR + CST CMP PTR + CST ...
9109 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9111 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9113 * doc/install.texi (Prerequisites): Refine some wording on
9114 bootstrapping and ksh.
9115 Move the version numbers of DejaGnu here from the testing section
9116 and fix casing of names.
9117 Fix markup and clarify wording for autogen requirements.
9118 Refer to GCJ instead of just java.
9119 Refer to SVN instead of CVS.
9120 Describe diffutils as useful instead of necessary.
9121 (Downloading the source): Refer to SVN instead of CVS.
9122 Adjust a link to our web site accordingly.
9123 (Configuration): Fix casing of Bison.
9124 (Building): Refer to SVN instead of CVS.
9125 Fix a sentence on the use of Bison and remove duplicate (and
9126 incorrect) version number of Bison requirement.
9127 Remove one redundant list of packages needed for building.
9128 (Specific): Avoid reference to CVS.
9130 2006-04-04 Eric Christopher <echristo@apple.com>
9132 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9133 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9134 (rs6000_handle_struct_attribute): New.
9135 (rs6000_ms_bitfield_layout_p): Ditto.
9137 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9139 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9140 NULL for dso parameter to atexit_common.
9142 2006-04-04 Eric Christopher <echristo@apple.com>
9144 * config/i386/i386.c (machopic_output_stub): Output \t
9145 between instructions and operands.
9147 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9149 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9150 satisfies_constraint_[IL] to explicit tests on value.
9152 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9154 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9155 set_nb_iterations_in_loop): Use build_int_cst instead of
9157 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9158 build_int_cst instead of convert.
9160 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9162 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9163 new value 2 for incoming.
9164 * function.c (expand_function_start): Call struct_value_rtx
9166 * config/sparc/sparc.md: Comment updated_return.
9167 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9168 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9169 struct return if sparc_std_struct_return and incoming is 2.
9170 (print_operand): Do not adjust return if
9171 sparc_std_struct_return.
9173 2006-04-04 Roger Sayle <roger@eyesopen.com>
9175 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9176 convert in the middle-end.
9177 * expr.c (store_expr, store_constructor, get_inner_reference,
9178 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9180 * tree.c (build_range_type): Likewise.
9182 2006-04-04 Tom Tromey <tromey@redhat.com>
9184 * doc/install.texi (Prerequisites): Mention jar.
9186 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9188 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9191 2006-04-04 Matthias Klose <doko@debian.org>
9193 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9197 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9200 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9202 * doc/extend.texi (Function Attributes): Rewrite visibility
9203 attribute documentation.
9204 * doc/invoke.texi (C++ Dialect Options): Rewrite
9205 -fvisibility-inlines-hidden documentation to describe something
9206 entirely different, although in practise compatible.
9207 (Code Gen Options): Warn about system headers in -fvisibility=
9210 * doc/extend.texi (Other Builtins): Document that
9211 __builtin_nan is a compile-time constant only when its argument
9214 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9216 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9217 trying to remove TRUNCATE check if all bits outside the new mode
9218 are identical to the sign bit.
9220 2006-04-03 Jeff Law <law@redhat.com>
9222 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9223 and operand scanning in some common cases.
9225 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9226 Dale Johannesen <dalej@apple.com>
9229 * regclass.c (struct reg_pref): Update documentation.
9230 (regclass): Set prefclass to NO_REGS if memory is the best option.
9231 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9232 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9233 into account. For non-registers, equate an empty preferred
9234 reload class to a `!' in the constraint; move the if clause to
9235 do so after those that reject the insn.
9236 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9238 (find_dummy_reload): Likewise.
9239 * doc/tm.texi (Register Classes): Document what it means
9240 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9241 * config/i386/i386.c (ix86_preferred_reload_class): Force
9242 using SSE registers (and return NO_REGS for floating-point
9243 constants) if math is done with SSE.
9244 (ix86_preferred_output_reload_class): New.
9245 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9246 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9247 * config/i386/i386.md: Remove # register preferences.
9249 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9252 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9253 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9254 the type of nb_iter.
9255 (instantiate_parameters_1): Convert the operands before calling
9256 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9257 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9259 2006-04-02 Roger Sayle <roger@eyesopen.com>
9261 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9262 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9264 * dojump.c (do_jump): Likewise.
9265 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9266 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9267 gimplify_boolean_expr): Likewise.
9268 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9269 * varasm.c (array_size_for_constructor): Likewise.
9270 * tree-object-size.c (compute_object_offset): Likewise.
9272 2006-04-02 Roger Sayle <roger@eyesopen.com>
9275 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9276 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9278 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9280 PR tree-optimization/26939
9281 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9283 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9285 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9286 at_stmt. Convert the type of operands before calling
9287 build_polynomial_chrec.
9288 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9290 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9291 (instantiate_parameters_1): Convert the type of operands before calling
9292 build_polynomial_chrec.
9293 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9294 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9295 reset_evolution_in_loop): Insert asserts to check the types of the
9297 (chrec_type): Moved...
9298 (eq_evolutions_p): Use operand_equal_p.
9299 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9300 the types of the operands.
9301 (chrec_type): ...here.
9302 * tree-data-ref.c (create_data_ref): Convert the operands before
9303 calling chrec_replace_initial_condition.
9304 (same_access_functions, analyze_subscript_affine_affine,
9305 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9306 (compute_subscript_distance, analyze_ziv_subscript,
9307 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9308 analyze_miv_subscript): Convert the operands before calling
9309 chrec_fold_minus or chrec_fold_plus.
9311 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9313 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9314 the dependence_relations vector.
9315 (compute_data_dependences_for_loop): Adjust call to
9316 compute_all_dependences.
9318 2006-04-01 Roger Sayle <roger@eyesopen.com>
9319 Richard Henderson <rth@redhat.com>
9321 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9322 gimple_boolify on the condition before calling gimplify_expr.
9324 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9326 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9327 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9328 the frame size. Update to use the new macros.
9329 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9330 * config/xtensa/ieee754-df.S: Likewise.
9332 2006-03-31 Richard Henderson <rth@redhat.com>
9334 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9335 (make_edges): ... here. Control fallthru creation with a local
9336 variable. Do not play with fake edges.
9337 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9338 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9341 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9343 * dwarf2.h (DW64_CIE_ID): Define.
9344 * dwarf2out.c (DWARF_CIE_ID): Define.
9345 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9346 length header. Use DWARF_CIE_ID.
9347 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9348 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9350 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9352 * config/sh/linux-atomic.asm: New file.
9353 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9355 2006-03-31 DJ Delorie <dj@redhat.com>
9357 * config/m32c/cond.md: Set condition flags properly throughout.
9358 * config/m32c/minmax.md: Likewise.
9359 * config/m32c/prologue.md: Likewise.
9360 * config/m32c/bitops.md: Likewise.
9361 * config/m32c/muldiv.md: Likewise.
9362 * config/m32c/mov.md: Likewise.
9363 * config/m32c/addsub.md: Likewise.
9364 * config/m32c/m32c.md: Likewise.
9365 * config/m32c/jump.md: Likewise.
9366 * config/m32c/shift.md: Likewise.
9368 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9369 conditionally output the pattern for this.
9370 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9371 (m32c_compare_redundant): New.
9372 (m32c_output_compare): New.
9373 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9375 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9376 dest, not src. Allow other 4-byte modes.
9378 2006-03-30 Denis Chertykov <denisc@overta.ru>
9380 * doc/md.texi: Refer to avr/constraints.md instead of
9383 2006-03-30 Roger Sayle <roger@eyesopen.com>
9385 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9386 signed vs. unsigned comparison failures on some hosts.
9388 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9391 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9392 change to FLOAT_REGS.
9394 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9395 (rs6000_override_options): Use it.
9396 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9397 only for -mabi=spe/no-spe and -mabi=altivec.
9399 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9401 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9404 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9406 * Makefile.in: Rename docdir to gcc_docdir.
9408 2006-03-30 Roger Sayle <roger@eyesopen.com>
9411 * expr.c (emit_group_store): Optimize group stores into a pseudo
9412 register by using a paradoxical subreg to initialize the destination
9413 if the first or last member of the group specifies a "low part".
9415 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9418 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9419 * target.h (struct gcc_target.speculate_insn): Change type of the
9420 second parameter to 'int'.
9421 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9422 the second operand of the DEPS_LIST.
9423 (copy_DEPS_LIST_list): Update reference to the second operand of the
9425 * rtl.h (alloc_DEPS_LIST): Update signature.
9426 * sched-int.h (ds_t): Change typedef to 'int'.
9427 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9429 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9431 * haifa-sched.c (try_ready): Change condition to restore
9432 non-speculative pattern of the instruction.
9433 (process_insn_depend_be_in_spec): Code to keep probability of the
9434 speculative dependence non-decreasing.
9436 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9438 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9439 (single_move_for_movmem): ... this. Also change all uses.
9440 (bfin_expand_strmov): Renamed to...
9441 (bfin_expand_movmem): ... this. Also change all uses.
9442 * config/bfin/bfin.md (movstrsi): Renamed to...
9443 (movstrsi): ...this.
9445 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9447 PR tree-optimization/26830
9449 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9450 (copy_prop_visit_stmt): Remove write-only variable ann.
9451 (init_copy_prop): Check variable loop depth here. Do not simulate
9452 memory-tag and virtual operand PHIs except for store copy prop.
9454 2006-03-30 Richard Guenther <rguenther@suse.de>
9456 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9457 variants with double arguments.
9459 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9461 * genpreds.c (write_tm_constrs_h): Delete variable p.
9462 * genconditions.c (write_header): Add tm-constrs.h to included
9464 * genpeep.c (main): Add toplev.h to included headers.
9465 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9466 (build/genpeep.o): Add toplev.h dependency.
9467 * config/rs6000/constraints.md: Add "W" constraint.
9469 2006-03-29 Roger Sayle <roger@eyesopen.com>
9471 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9472 sizes by correctly testing whether the size fits a host integer.
9473 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9474 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9475 SImode range for the default sizetype and bitsizetype.
9477 2006-03-29 Roger Sayle <roger@eyesopen.com>
9479 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9480 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9481 quickly if the argument is already of the correct type.
9482 Call fold_build1 instead of build1. Tidy up blank lines.
9484 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9486 * genemit.c (main): Add tm-constrs.h to included headers.
9487 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9488 * genpeep.c (main): Add tm-constrs.h to included headers.
9489 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9490 (write_tm_constrs_h): this and write complete file.
9491 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9492 (write_insn_preds_c): Add tm-constrs.h to included headers.
9493 (gen_constrs): New variable.
9494 (parse_option): Parse "-c".
9495 (main): Invoke write_tm_constrs_h.
9496 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9497 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9498 (object_out_file): Add tm-constrs.h dependency.
9499 (insn-emit.o): Same.
9500 (insn-output.o): Same.
9501 (insn-peep.o): Same.
9502 (insn-preds.o): Same.
9503 (insn-recog.o): Same.
9504 (tm-constsr.h): New target.
9505 (s-constrs-h): New target.
9507 * config/rs6000/constraints.md: New file.
9508 * config/rs6000/rs6000.c: Include tm-constrs.h.
9509 (num_insn_constant_wide): Convert to satisfies_constraint.
9510 (rs6000_rtx_costs): Convert to satisfies_constraint.
9511 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9512 (CONST_OK_FOR_LETTER_P): Delete.
9513 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9514 (EXTRA_CONSTRAINT): Delete.
9515 (EXTRA_MEMORY_CONSTRAINT): Delete.
9516 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9517 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9518 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9519 satisfies_constraint.
9521 * config/i386/i386.c: Include tm-constrs.h.
9523 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9525 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9526 * tree-data-ref.c (find_data_references_in_loop,
9527 compute_data_dependences_for_loop): Use pointers to VEC.
9528 (analyze_all_data_dependences): Adjust calls.
9529 * tree-data-ref.h (find_data_references_in_loop,
9530 compute_data_dependences_for_loop): Adjust declarations.
9531 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9532 compute_data_dependences_for_loop.
9534 2006-03-29 Paul Brook <paul@codesourcery.com>
9536 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9539 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9541 PR tree-optimization/26859
9542 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9544 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9545 for the step after fold_convert.
9547 2006-03-29 Paul Brook <paul@codesourcery.com>
9549 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9550 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9552 2006-03-29 Paul Brook <paul@codesourcery.com>
9555 * targhooks.c (default_narrow_bitfield): New fuction.
9556 * targhooks.h (default_narrow_bitfield): add prototype.
9557 * target.h (gcc_target): Add narrow_volatile_bitfield.
9558 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9559 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9560 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9561 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9563 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9565 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9567 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9568 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9569 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9570 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9571 (s390_function_arg_float): Allow SDmode and DDmode values to be
9572 passed in floating point registers.
9573 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9574 check with SCALAR_FLOAT_MODE_P.
9575 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9577 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9579 PR tree-optimization/25985
9580 * tree-ssa-loop-niter.c (number_of_iterations_le,
9581 number_of_iterations_ne): Make comments more precise.
9582 (number_of_iterations_cond): Add only_exit argument. Use the
9583 fact that signed variables do not overflow only when only_exit
9585 (loop_only_exit_p): New.
9586 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9587 number_of_iterations_cond.
9589 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9591 PR tree-optimization/26643
9592 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9595 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9597 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9598 (divsi3_i4_int): Likewise.
9600 2006-03-28 Roger Sayle <roger@eyesopen.com>
9602 * expr.c (emit_group_store): Only create a new pseudo reg if the
9603 quantity it needs to hold isn't already a suitable pseudo.
9605 2006-03-28 Jeff Law <law@redhat.com>
9607 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9608 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9610 2006-03-28 Roger Sayle <roger@eyesopen.com>
9612 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9613 the equivalent ~X & Y, and the symmetry related transformations.
9614 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9615 ~X & Y, and symmetry related transforms.
9617 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9619 Revert my 2006-03-27 patches.
9621 2006-03-28 Roger Sayle <roger@eyesopen.com>
9623 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9624 ~(T1)X, when T1 and T2 are integer types of the same precision
9625 and (T2)X isn't an extension.
9627 2006-03-28 Jeff Law <law@redhat.com>
9629 PR tree-optimization/26796
9630 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9631 need EH edge cleanups rather than purging them immediately.
9632 (eliminate_degenerate_phis): Handle queued EH cleanups.
9634 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9636 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9639 2006-03-27 Roger Sayle <roger@eyesopen.com>
9642 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9643 cast BIT_NOT_EXPR operand to the correct type.
9645 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9647 * tree-loop-linear.c: Don't include varray.h.
9648 (gather_interchange_stats, try_interchange_loops,
9649 linear_transform_loops): Use VEC instead of VARRAY.
9650 * lambda-mat.c: Don't include varray.h.
9651 * tree-chrec.c: Same.
9652 * lambda-trans.c: Same.
9653 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9654 VEC instead of VARRAY.
9655 * tree-vectorizer.h: Idem.
9656 * tree-data-ref.c (dump_data_references,
9657 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9658 initialize_data_dependence_relation, finalize_ddr_dependent,
9659 compute_all_dependences, find_data_references_in_loop,
9660 compute_data_dependences_for_loop, analyze_all_data_dependences,
9661 free_dependence_relation, free_dependence_relations,
9662 free_data_refs): Idem.
9663 * tree-data-ref.h (data_reference_p, subscript_p): New.
9664 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9665 VEC instead of VARRAY.
9666 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9667 (find_data_references_in_loop, compute_data_dependences_for_loop,
9668 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9669 dump_data_dependence_relations, free_dependence_relations,
9670 free_data_refs): Adjust declaration.
9671 (lambda_transform_legal_p): Move declaration here...
9672 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9673 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9674 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9675 vect_analyze_data_refs): Use VEC instead of VARRAY.
9676 * lambda.h (lambda_transform_legal_p): ...from here.
9677 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9678 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9679 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9680 tree-chrec.o): Don't depend on VARRAY_H.
9682 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9684 * rtl.def (Copyright): Update date.
9685 (DEPS_LIST): Change type of the second operand to 'int'.
9686 * target.h (Copyright): Update date.
9687 (struct gcc_target.speculate_insn): Change type of the second parameter
9689 * lists.c (Copyright): Update date.
9690 (alloc_DEPS_LIST): Change signature. Update reference to the second
9691 operand of the DEPS_LIST.
9692 (copy_DEPS_LIST_list): Update reference to the second operand of the
9694 * rtl.h (Copyright): Update date.
9695 (alloc_DEPS_LIST): Update signature.
9696 * sched-int.h (Copyright): Update date.
9697 (ds_t): Change typedef to 'int'.
9698 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9700 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9702 * haifa-sched.c (Copyright): Update date.
9703 (try_ready): Change condition to restore non-speculative pattern
9705 (process_insn_depend_be_in_spec): Code to keep probability of the
9706 speculative dependence non-decreasing.
9708 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9710 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9711 shut up the compiler.
9713 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9715 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9716 to use lib prefix for target.
9717 ($(T)libic_invalidate_array_4-200.a): Likewise.
9718 ($(T)libic_invalidate_array_4a.a): Likewise.
9720 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9721 J"orn Rennecke <joern.rennecke@st.com>
9723 * superh.opt: New file.
9724 * sh.c (boardtype, osruntime): Remove.
9725 * superh.h (SUBTARGET_OPTIONS): Remove.
9726 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9728 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9729 arguments with ^ and/or [].
9731 * config.gcc (sh-*-*): Add quoting to account for quirk of
9733 Replace == with = in enable_incomplete_targets test.
9735 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9736 with MASK_LITTLE_ENDIAN.
9738 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9739 * config/sh/sh.opt: Added to some comments.
9740 * config/sh/superh.h: Removed some chaff.
9742 * config/sh/sh.opt: Add m4-[1234]00* options.
9743 * config/sh/sh.c (sh_handle_option): Likewise.
9744 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9745 (ic_invalidate_array_4-100.o): New rule.
9746 ($(T)libic_invalidate_array_4-100.a): Likewise.
9747 (ic_invalidate_array_4-200.o): Likewise.
9748 ($(T)libic_invalidate_array_4-200.a): Likewise.
9749 (ic_invalidate_array_4a.o): Likewise.
9750 ($(T)libic_invalidate_array_4a.a): Likewise.
9751 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9752 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9754 * config/sh/crt1.asm: Merged in profiling code.
9755 * config/sh/superh.h (STARTFILE_SPEC): Override.
9756 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9757 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9758 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9760 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9761 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9762 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9764 * sh.opt (mpretend-cmove): New option.
9765 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9766 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9767 (movsicc): Add TARGET_PRETEND_CMOVE code.
9769 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9771 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9772 s390_class_max_nregs): New function prototypes.
9773 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9774 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9775 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9776 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9778 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9780 * dwarf2out.c (add_location_or_const_value_attribute): Call
9781 tree_add_const_value_attribute if nothing else works.
9782 (reference_to_unused): New.
9783 (rtl_for_decl_init): Use reference_to_unused to decide whether
9784 to output an initializer.
9786 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9789 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9790 peephole removing spe frob_di_df_2.
9792 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9794 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9795 (subscript_dependence_tester_1): Declared.
9796 (print_dir_vectors, print_dist_vectors): New.
9797 (debug_data_dependence_relation): New.
9798 (dump_data_dependence_relation): Print more details.
9799 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9800 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9801 (save_dist_v, save_dir_v, add_outer_distances,
9802 build_classic_dist_vector_1): New.
9803 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9804 Don't test for lambda_vector_lexico_pos.
9805 (same_access_functions, add_multivariate_self_dist,
9806 add_other_self_distances, dir_from_dist): New.
9807 (build_classic_dir_vector): Replace implementation almost identical to
9808 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9810 (subscript_dependence_tester_1): New.
9811 (subscript_dependence_tester): Handle the lexicographically negative
9812 distance vectors by recomputing the dependence relation.
9813 (compute_affine_dependence): Remove parameter loop_nest_depth.
9814 (compute_self_dependence): Don't call compute_subscript_distance.
9815 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9816 Add a parameter for the loop_nest.
9817 (find_loop_nest_1, find_loop_nest): New.
9818 (compute_data_dependences_for_loop): Compute the loop nest, and give
9819 up if the nest is not well formed.
9820 * tree-data-ref.h (loop_p): New.
9821 (struct data_dependence_relation): Replace size_vect field with
9822 loop_nest, a vec of loops.
9823 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9824 (DDR_LOOP_NEST): New.
9825 (print_dir_vectors, print_dist_vectors,
9826 debug_data_dependence_relation): Declared.
9827 (index_in_loop_nest): New.
9828 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9829 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9832 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9834 * simplify-rtx.c (simplify_relational_operation): Call
9835 simplify_relational_operation_1 even if mode is VOIDmode.
9837 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9839 PR tree-optimization/26804
9840 * tree.h (DECL_CALL_CLOBBERED): New macro.
9841 (tree_decl_common): Add call_clobbered_flag.
9842 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9843 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9844 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9845 (mark_non_addressable): Ditto.
9846 * tree-ssa.c (verify_call_clobbered): New function.
9847 (verify_alias_info): Use it.
9848 * tree-pass.h (pass_reset_cc_flags): New prototype.
9849 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9850 (reset_cc_flags): New function.
9851 * passes.c (init_optimization_passes): Call reset_cc_flags after
9852 initializing referenced_vars.
9854 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9855 Roger Sayle <roger@eyesopen.com>
9858 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9859 to 1.0 for non-real operands. Implement A / A optimization for
9862 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9864 * config/i386/i386.c (size_cost): Correct the comment for
9865 cost of storing fp registers.
9866 (i386_cost): Likewise.
9867 (i486_cost): Likewise.
9868 (pentium_cost): Likewise.
9869 (pentiumpro_cost): Likewise.
9870 (k6_cost): Likewise.
9871 (athlon_cost): Likewise.
9872 (k8_cost): Likewise.
9873 (pentium4_cost): Likewise.
9874 (nocona_cost): Likewise.
9875 (generic64_cost): Likewise.
9876 (generic32_cost): Likewise.
9878 2006-03-24 Denis Chertykov <denisc@overta.ru>
9880 * config/avr/avr-protos.h (extra_constraint): Delete.
9881 (extra_constraint_Q): New declaration.
9882 * config/avr/constraints.md: New file.
9883 * config/avr/avr.md: Include it.
9884 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9885 (TMP_REGNO, ZERO_REGNO): Likewise.
9886 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9887 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9888 (extra_constraint): Delete.
9889 (extra_constraint_Q): Test for memory constraint 'Q'.
9890 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9891 (REG_CLASS_FROM_LETTER): Delete.
9892 (CONST_OK_FOR_LETTER_P): Delete.
9893 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9894 (EXTRA_CONSTRAINT): Delete.
9895 (TMP_REGNO): Delete.
9896 (ZERO_REGNO): Delete.
9898 2006-03-24 Jeff Law <law@redhat.com>
9900 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9901 directly. Call mark_new_vars_to_rename slightly earlier.
9903 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9905 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9907 (gen_compile_unit_die): Use new language types for Objective-C and
9909 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9910 DW_LANG_C_plus_plus.
9913 * config/t-darwin (crt3.o): Work around bug 26840.
9914 * config/darwin-crt3.c: Rewrite.
9915 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9917 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9919 * doc/invoke.texi: Document -femit-class-debug-always
9920 * common.opt: Add -femit-class-debug-always.
9922 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9924 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9925 index and base register.
9926 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9927 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9928 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9929 REGNO_OK_FOR_INDEX_P.
9930 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9932 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9933 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9934 REG_OK_FOR_BASE_P): Definitions removed.
9936 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9939 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9940 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9941 set yet or weren't marked as local yet.
9943 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9945 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9948 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9950 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9951 (rs6000_legitimate_small_data_p): Delete.
9952 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9953 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9954 and make static. Add forward declaration. Update uses.
9955 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9956 of offsettable_memref_p.
9957 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9958 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9960 2006-03-24 Jeff Law <law@redhat.com>
9962 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9963 around bug in immediate-use iterator.
9965 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9968 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9969 or __LITTLE_ENDIAN__.
9971 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9973 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9974 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9975 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9976 * config/sh/sh.opt (mdiv=): Amend description.
9977 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9978 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9979 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9980 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9981 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9982 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9983 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9984 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9985 TARGET_DIVIDE_CALL_FP.
9987 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9989 * haifa-sched.c (choose_ready): Fix type of the local variable.
9990 Move local variables. Add comment.
9991 (check_reg_live): Change signature. Make callable from debugger.
9992 * sched-int.h (check_reg_live): Update signature.
9993 * sched-ebb.c (check_reg_live): Update parameters.
9994 * sched-rgn.c (check_reg_live): Ditto.
9995 (region_head_or_leaf_p): Check pointer before dereferencing.
9996 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9997 before reload on optimization levels below 1.
9999 2006-03-23 Richard Henderson <rth@redhat.com>
10001 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10005 * config/alpha/predicates.md (local_symbolic_operand): Reject
10008 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10011 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10012 expressions which have overflowed constants.
10014 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10016 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10018 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10020 * cfgloopmanip.c (create_loop_notes): Removed.
10021 * final.c (final_scan_insn): Do not handle loop notes.
10022 * jump.c (squeeze_notes): Ditto.
10023 * cfglayout.c (skip_insns_after_block,
10024 duplicate_insn_chain): Ditto.
10025 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10027 * cfgloop.h (create_loop_notes): Declaration removed.
10029 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10031 * varasm.c (output_constant_pool): Restore fnname and fndecl
10033 (assemble_start_function): Adjust call accordingly.
10034 (assemble_end_function): Likewise.
10036 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10039 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10042 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10044 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10047 * system.h (ICE_EXIT_CODE): New macro.
10048 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10049 (diagnostic_action_after_output): Likewise.
10050 * gcc.c (fatal_ice): New function.
10051 (execute): Use it instead of fatal.
10052 (fancy_abort): Likewise.
10053 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10055 2006-03-22 Jeff Law <law@redhat.com>
10057 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10058 iv_analyze_result returning false.
10060 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10062 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10064 2006-03-22 Richard Henderson <rth@redhat.com>
10066 PR middle-end/26084
10067 * except.c (duplicate_eh_regions_0): New.
10068 (duplicate_eh_region_1): Duplicate the children of the node as
10069 well as the node itself. Link them up properly.
10070 (duplicate_eh_region_2): Merge into ...
10071 (duplicate_eh_regions): ... here. Take copy_region argument, and
10072 copy only a sub-tree if asked. Simplify copying and fixup.
10073 (eh_region_outer_p): New.
10074 * except.h (duplicate_eh_regions): Update decl.
10075 (eh_region_outer_p): Declare.
10076 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10077 (lower_omp_master): Likewise.
10078 (lower_omp_ordered): Likewise.
10079 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10080 (move_stmt_r): Use it to remap labels. Handle recursion vs
10081 remap_decls_p properly.
10082 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10083 (find_outermost_region_in_block): New.
10084 (new_label_mapper): New.
10085 (move_sese_region_to_fn): Copy eh information to the new function
10087 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10089 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10092 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10094 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10095 into shared libraries.
10097 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10099 * doc/md.texi: Refer to i386/constraints.md instead of
10100 i386/predicates.md.
10101 * config/i386/constraints.md: New file, extracted from...
10102 * config/i386/predicates.md: ...here.
10103 * config/i386/i386.md: Include constraints.md.
10105 2006-03-21 Jason Merrill <jason@redhat.com>
10107 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10109 PR middle-end/20297
10110 * expr.c (init_block_move_fn): Force default visibility.
10111 (init_block_clear_fn): Likewise.
10112 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10113 * targhooks.c (default_external_stack_protect_fail): Likewise.
10115 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10117 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10118 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10119 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10120 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10121 (loadgp): Use mips_current_loadgp_style.
10122 (loadgp_noshared): New pattern.
10123 (sibcall_internal): Use MIPS_CALL.
10124 (sibcall_value_internal): Likewise.
10125 (sibcall_value_multiple_internal): Likewise.
10126 (call_internal): Likewise.
10127 (call_value_internal): Likewise.
10128 (call_value_multiple_internal): Likewise.
10129 (call_split): Use MIPS_CALL and add an 'S' constraint.
10130 (call_value_split): Likewise.
10131 (call_value_multiple_split): Likewise.
10132 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10133 (-mshared): New option.
10134 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10135 (mips_current_loadgp_style): Declare.
10136 * config/mips/mips.c (mips_classify_symbol): Avoid using
10137 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10138 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10139 TARGET_ABSOLUTE_ABICALLS.
10140 (override_options): Adjust comments. Improve the warning that is
10141 issued when -mabicalls and -G are used together.
10142 (mips_file_start): Remove comment.
10143 (mips_current_loadgp_style): New function.
10144 (mips_gnu_local_gp): New variable.
10145 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10147 (mips_output_function_prologue): Use mips_current_laodgp_style.
10148 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10149 the cprestore instruction.
10150 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10151 live for TARGET_ABSOLUTE_ABICALLS.
10152 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10153 (ASM_SPEC): Pass down -mshared and -mno-shared.
10154 (MIPS_CALL): New macro.
10155 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10157 * doc/invoke.texi (-mabicalls): Update documentation.
10158 (-mshared): Document.
10160 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10162 * config/ia64/unwind-hpux.c: New file.
10163 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10165 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10168 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10170 2006-03-21 Jeff Law <law@redhat.com>
10172 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10173 type conversions of a VR_VARYING source to a wider type.
10175 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10177 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10178 tm_file on Solaris 10 and later.
10179 (sparc64-*-solaris2*): Likewise.
10180 (sparc-*-solaris2*): Likewise.
10181 * config/sol26.h: Rename to config/sol2-6.h.
10182 * config/sol2-10.h: New file.
10184 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10187 * tree-ssa-pre.c (create_component_ref_by_pieces):
10190 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10193 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10194 return it immediately.
10196 2006-03-21 Michael Matz <matz@suse.de>
10198 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10200 (remove_arc, add_arc): Update num_out_arcs member.
10201 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10203 (cache_presence): New function.
10204 (compare_states_for_equiv): New function.
10205 (state_is_differed): Don't take number of outargs, adjust callers.
10206 Use new invariant for speeding up.
10207 (init_equiv_class): Create initial classes based on sorted
10209 (partition_equiv_class): Don't track out_arcs_num.
10210 (evaluate_equiv_classes): Call cache_presence on all states and
10213 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10215 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10216 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10217 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10218 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10220 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10221 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10222 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10223 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10224 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10226 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10227 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10228 (REGNO_REG_CLASS): ARGP is in PREGS.
10229 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10231 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10232 to deal with those addresses.
10233 * addresses.h: New file.
10234 * caller-save.c: Include "addresses.h".
10235 (init_caller_save): Use new base_reg_class function.
10236 * rtl-factoring.c: Include "addresses.h".
10237 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10238 * recog.c: Include "addresses.h".
10239 (preprocess_constraints): Use new base_reg_class function.
10240 * regrename.c: Include "addresses.h".
10241 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10242 functions. Keep track of a new var INDEX_CODE to compute valid
10244 (replace_oldest_value_addr): Likewise.
10245 (replace_oldest_value_mem): Use base_reg_class.
10246 * reload.c: Include "addresses.h".
10247 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10248 (find_reloads): Use new base_reg_class function.
10249 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10250 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10251 all callers and prototype changed.
10252 * reload1.c: Include "addresses.h".
10253 (maybe_fix_stack_asms): Use base_reg_class.
10254 * regclass.c: Include "addresses.h".
10255 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10256 (init_reg_autoinc): Use new base_reg_class function.
10257 (record_reg_classes): Likewise.
10258 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10259 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10260 Use new args to compute necessary class.
10262 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10263 regrename.o, rtl-factoring.o): Update dependencies.
10264 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10265 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10266 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10267 REG_OK_FOR_INDEX_P): Delete documentation.
10269 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10271 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10272 from V7 to V9 for Solaris 7 and above.
10274 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10276 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10277 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10278 argument pointers may not alias any other storage.
10279 * common.opt: Define option -fargument-noalias-anything.
10280 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10281 alias semantics is specified by flag_argument_noalias > 2.
10283 2006-03-20 Jeff Law <law@redhat.com>
10285 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10286 (pass_phi_only_cprop): Declare.
10287 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10288 with phi_only_cprop
10289 * tree-ssa-dom.c (degenerate_phi_result): New function.
10290 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10291 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10292 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10293 (eliminate_degenerate_phis): Likewise.
10294 (pass_phi_only_cprop): New pass descriptor.
10295 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10296 support code. Callers updated.
10297 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10298 (store_copy_prop): Likewise.
10299 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10301 2006-03-20 Jason Merrill <jason@redhat.com>
10304 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10305 (push_visibility, pop_visibility): Likewise.
10306 * c-pragma.h: Declare them.
10308 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10310 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10312 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10313 parameter and use get_ebb_head_tail.
10314 (sh_md_init_global): Adjust uses of find_regmode_weight.
10316 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10318 * function.h (struct function) <x_tail_recursion_reentry>:
10319 Rename to x_stack_check_probe_note.
10320 (tail_recursion_reentry): Rename to stack_check_probe_note.
10321 * function.c: Replace tail_recursion_reentry with
10322 stack_check_probe_note everywhere.
10323 (expand_function_start): Only emit a note for
10324 stack_check_probe_note with -fstack-protect.
10325 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10327 * emit-rtl.c (remove_unnecessary_notes): Remove.
10328 (pass_remove_unnecessary_notes): Remove.
10329 * rtl.h (remove_unnecessary_notes): Remove prototype.
10330 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10331 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10332 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10334 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10337 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10338 (valid_in_set): Handle ARRAY_REF.
10339 Change "if min_variant or VH" to asserts.
10340 (create_component_ref_by_pieces): Handle ARRAY_REF.
10341 (create_expression_by_pieces): Likewise.
10342 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10344 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10346 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10347 is operand of switch, not str[0].
10349 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10351 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10352 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10354 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10356 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10357 end of insn_extra_address_constraint declaration.
10359 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10361 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10362 (no-sum-in-toc): Same.
10363 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10365 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10366 NO_FP_IN_TOC for -fPIC instead of mask.
10368 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10369 (BOOT_LDFLAGS): Delete.
10371 * config/rs6000/t-aix52: Same.
10373 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10374 (stmsi[345678]_power): New.
10376 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10378 * config/ia64/ia64.opt: Add empty line to end of file.
10380 2006-03-17 Richard Guenther <rguenther@suse.de>
10382 PR middle-end/26721
10383 * builtins.c (get_pointer_alignment): For component style references
10384 adjust alignment to the component type alignment. Make sure
10385 to adjust alignment for component access of constants.
10387 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10389 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10390 unconditional jump.
10392 2006-03-17 Paul Brook <paul@codesourcery.com>
10394 * doc/install.texi: Docuemnt --with-mode.
10395 * config.gcc: Add --with-mode for arm*-*-*.
10396 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10398 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10400 * sh.c (max_labelno_before_reorg): New variable.
10401 (sh_reorg): Initialize it.
10402 (find_barrier): Check max_labelno_before_reorg before using
10403 label_to_alignment. Take length of explicit alignment insns
10404 into account. When seeing a UNSPECV_CONST_END, return it.
10406 * sh.c (fixup_mova): Set mode of affected label to QImode.
10407 (untangle_mova): New function.
10408 (find_barrier): Use it. Check mode of label before decrementing
10410 (sh_reorg): Likewise.
10411 Set mode of all insns back to VOIDmode.
10413 * sh.c (MOVA_LABELREF): New macro.
10414 (mova_p, fixup_mova, sh_reorg): Use it.
10415 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10416 ADDR_DIFF_VEC matches mova.
10418 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10420 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10421 with ATTRIBUTE_UNUSED.
10423 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10425 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10426 pointer, instead of assuming it is possible to derive the
10427 correct args size from a call insn.
10429 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10431 * rtl.h (CONST_INT_P): Define.
10432 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10433 instead of GET_CODE(x) == CONST_INT.
10434 (vax_rtx_costs): Likewise.
10435 (vax_output_int_move): Likewise.
10436 (vax_output_int_add): Likewise.
10437 (legitimate_constant_address_p): Likewise.
10438 (index_term_p): Likewise.
10439 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10440 * config/vax/vax.md (and<mode>3): Likewise.
10441 (ashrsi3): Likewise.
10443 (movstricthi): Likewise.
10444 (movstrictqi): Likewise.
10445 (rotrsi3): Likewise.
10446 (five unnamed insns): Likewise.
10448 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10450 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10451 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10452 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10453 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10454 Pass to ASM_OUTPUT_DWARF_OFFSET.
10455 * dwarf2out.c (debug_frame_section): New.
10456 (output_call_frame_info): Use debug_frame_section. Pass it to
10457 dw2_asm_output_offset.
10458 (output_die): Pass appropriate section to dw2_asm_output_offset.
10459 (output_compilation_unit_header): Likewise.
10460 (output_pubnames): Likewise.
10461 (output_aranges): Likewise.
10462 (enum dw_val_class): Break dw_val_class_lbl_offset into
10463 dw_val_class_lineptr and dw_val_class_macptr.
10464 (add_AT_lbl_offset): Delete.
10465 (add_AT_lineptr): New.
10466 (add_AT_macptr): New.
10467 (AT_lbl): Expect a lineptr or macptr.
10468 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10469 (attr_checksum): Likewise.
10470 (same_dw_val_p): Likewise.
10471 (size_of_die): Likewise.
10472 (value_format): Likewise.
10473 (output_die): Likewise.
10474 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10476 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10477 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10478 * config/darwin-protos.h (darwin_file_start): New.
10479 (darwin_asm_output_dwarf_offset): New.
10480 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10481 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10483 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10484 if not EH section; simplify.
10485 (darwin_file_start): New.
10486 (darwin_asm_output_dwarf_offset): New.
10487 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10489 (DEBUG_INFO_SECTION): Likewise.
10490 (DEBUG_ABBREV_SECTION): Likewise.
10491 (DEBUG_ARANGES_SECTION): Likewise.
10492 (DEBUG_MACINFO_SECTION): Likewise.
10493 (DEBUG_LINE_SECTION): Likewise.
10494 (DEBUG_LOC_SECTION): Likewise.
10495 (DEBUG_PUBNAMES_SECTION): Likewise.
10496 (DEBUG_STR_SECTION): Likewise.
10497 (DEBUG_RANGES_SECTION): Likewise.
10498 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10499 (ASM_OUTPUT_DWARF_OFFSET): New.
10501 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10503 * config.gcc (tm_defines): Always add to previous value rather
10506 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10508 * config/mips/predicates.md (splittable_const_int_operand): New,
10509 split from move_operand.
10510 (splittable_symbolic_operand): New.
10511 (move_operand): Add commentary. Use splittable_const_int_operand.
10512 Inline mips_atomic_symbolic_constant_p.
10513 * config/mips/mips.md: Add combine splitters for handling moves
10514 of splittable_const_int_operands and splittable_symbolic_operands.
10515 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10516 (mips_split_symbol): Declare.
10517 (mips_move_integer): Declare.
10518 * config/mips/mips.c (mips_split_p): Make global.
10519 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10520 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10521 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10522 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10523 (mips_offset_within_object_p): Handle block symbols.
10524 (mips_atomic_symbolic_constant_p): Delete.
10525 (mips_cannot_force_const_mem): Return false for constants that
10526 mips_legitimize_move can handle.
10527 (mips_use_blocks_for_constant_p): New function.
10528 (mips_split_symbol): Make global.
10529 (mips_move_integer): Likewise. Add a temporary register argument.
10530 (mips_legitimize_const_move): Use splittable_const_int_operand and
10531 splittable_symbolic_operand.
10532 (mips_use_anchors_for_symbol_p): New function.
10533 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10534 (mips_split_p): Declare.
10536 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10538 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10539 (mips*-*-linux*): Likewise.
10541 2006-03-16 Roger Sayle <roger@eyesopen.com>
10542 Daniel Speyer <dspeyer@wam.umd.edu>
10544 PR middle-end/18259
10545 * tree-dump.c (dump_real): New function.
10546 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10547 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10548 (tree-dump.o): Add $(REAL_H) to the dependencies.
10550 2006-03-16 Roger Sayle <roger@eyesopen.com>
10552 PR middle-end/21781
10553 * real.c (real_from_string): If the mantissa is zero, don't bother
10554 parsing the exponent as the result should always be zero.
10556 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10558 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10560 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10562 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10563 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10564 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10565 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10566 ia64_sched_finish_global): New static functions to implement
10567 hooks from gcc_target.sched.
10568 (spec_check_no, max_uid, pending_data_specs): New static variables.
10569 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10570 ia64_spec_check_src_p): New static functions.
10571 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10572 (TARGET_SCHED_ADJUST_COST): Removed.
10573 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10574 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10575 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10576 TARGET_SCHED_GEN_CHECK,
10577 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10578 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10579 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10580 Fixed to handle speculation checks.
10581 (rtx_needs_barrier): Fixed to handle speculative loads and
10583 (ia64_variable_issue): Added code to count speculative loads and their
10585 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10587 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10589 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10591 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10592 (ia64_reorg): Reset stops_p to NULL after it is freed.
10593 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10594 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10595 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10597 (data_speculative, control_speculative, check_load): New attributes.
10598 (mov<mode>_advanced, mov<mode>_speculative,
10599 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10600 zero_extend<mode>di2_speculative,
10601 zero_extend<mode>di2_speculative_advanced): New patterns for
10602 data and control speculative loads.
10603 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10605 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10606 New pattern for data and control speculation checks.
10607 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10608 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10609 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10610 Auxiliary definitions for the patterns.
10611 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10612 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10614 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10616 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10617 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10618 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10619 New resource constraints.
10620 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10622 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10623 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10624 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10625 msched-in-control-spec, msched-ldc, msched-control-ldc,
10626 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10627 msched-prefer-non-control-spec-insns,
10628 msched-count-spec-in-critical-path): New flags to tune speculative
10630 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10631 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10632 msched-in-control-spec, msched-ldc, msched-control-ldc,
10633 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10634 msched-prefer-non-control-spec-insns,
10635 msched-count-spec-in-critical-path): Document new flags.
10637 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10639 * target.h (struct spec_info_def): New opaque declaration.
10640 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10641 speculate_insn, needs_block_p, gen_check,
10642 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10643 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10644 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10645 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10646 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10647 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10649 (TARGET_SCHED): Use new macros.
10650 * rtl.h (copy_DEPS_LIST_list): New prototype.
10651 * sched-int.h (struct sched_info): Change signature of new_ready field,
10652 adjust all initializations. New fields: add_remove_insn,
10653 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10654 region_head_or_leaf_p.
10655 (struct spec_info_def): New structure declaration.
10656 (spec_info_t): New typedef.
10657 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10658 recovery_block, orig_pat.
10659 (glat_start, glat_end): New variables declaraions.
10660 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10662 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10663 DETACH_LIFE_INFO, USE_GLAT.
10664 (enum SPEC_SCHED_FLAGS): New enumeration.
10665 (NOTE_NOTE_BB_P): New macro.
10666 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10667 attach_life_info, debug_spec_status, check_reg_live): New functions.
10668 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10669 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10671 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10672 * ddg.c (get_block_head_tail): Adjust all uses.
10673 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10674 (sms_sched_info): Initialize new fields.
10675 (contributes_to_priority): Removed.
10676 * haifa-sched.c (params.h): New include.
10677 (get_block_head_tail): Adjust all uses.
10678 (ISSUE_POINTS): New macro.
10679 (glat_start, glat_end): New global variables.
10680 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10681 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10682 old_last_basic_block, before_recovery, current_sched_info_var,
10683 rgn_n_insns, luid): New static variables.
10684 (insn_cost1): New function. Move logic from insn_cost to here.
10685 (find_insn_reg_weight1): New function. Move logic from
10686 find_insn_reg_weight to here.
10687 (reemit_notes, move_insn, max_issue): Change signature.
10688 (move_insn1): Removed.
10689 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10690 extend_bb): New static functions to support extension of scheduler's
10692 (generate_recovery_code, process_insn_depend_be_in_spec,
10693 begin_speculative_block, add_to_speculative_block,
10694 init_before_recovery, create_recovery_block, create_check_block_twin,
10695 fix_recovery_deps): New static functions to support
10696 generation of recovery code.
10697 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10698 restore_bb_notes, move_block_after_check, move_succs): New static
10699 functions to support ebb scheduling.
10700 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10701 functions to support handling of register live information.
10702 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10703 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10704 add_jump_dependencies): New static functions.
10705 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10706 consistancy checking.
10707 (debug_spec_status): New function to call from debugger.
10708 (priority): Added code to handle speculation checks.
10709 (rank_for_schedule): Added code to distinguish speculative instructions.
10710 (schedule_insn): Added code to handle speculation checks.
10711 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10712 Fixed to handle ebbs.
10713 (move_insn): Added code to handle ebb scheduling.
10714 (max_issue): Added code to use ISSUE_POINTS of instructions.
10715 (choose_ready): Added code to choose between speculative and
10716 non-speculative instructions.
10717 (schedule_block): Added code to handle ebb scheduling and scheduling of
10718 speculative instructions.
10719 (sched_init): Initialize new variables.
10720 (sched_finish): Free new variables. Print statistics.
10721 (try_ready): Added code to handle speculative instructions.
10722 * lists.c (copy_DEPS_LIST_list): New function.
10723 * sched-deps.c (extend_dependency_caches): New function. Move logic
10724 from create_dependency_caches to here.
10725 (get_dep_weak, ds_merge): Make global.
10726 * genattr.c (main): Code to output prototype for
10727 dfa_clear_single_insn_cache.
10728 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10729 (output_dfa_clean_insn_cache_func): Code to output
10730 dfa_clear_single_insn_cache function.
10731 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10733 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10735 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10736 New static variables.
10737 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10738 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10740 (ebb_sched_info): Initialize new fields.
10741 (get_block_head_tail): Adjust all uses.
10742 (compute_jump_reg_dependencies): Fixed to use glat_start.
10743 (schedule_ebb): Code to remove unreachable last block.
10744 (schedule_ebbs): Added code to update register live information.
10745 * sched-rgn.c (region_sched_info): Initialize new fields.
10746 (get_block_head_tail): Adjust all uses.
10747 (last_was_jump): Removed. Adjust users.
10748 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10749 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10750 Implement new hooks.
10751 (check_dead_notes1): New static function.
10752 (struct region): New fields: dont_calc_deps, has_real_ebb.
10753 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10754 (BB_TO_BLOCK): Fixed to handle EBBs.
10755 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10756 (ebb_head): New static variable.
10757 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10758 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10760 (compute_dom_prob_ps): New assertion.
10761 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10762 global_live_at_start.
10763 (init_ready_list): New assertions.
10764 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10765 (new_ready): Add support for BEGIN_CONTROL speculation.
10766 (schedule_insns): Fixed code that updates register live information
10768 (schedule_region): Fixed to handle EBBs.
10769 (init_regions): Use extend_regions and check_dead_notes1.
10770 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10771 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10772 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10773 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10774 TARGET_SCHED_GEN_CHECK,
10775 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10776 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10777 * doc/invoke.texi (max-sched-insn-conflict-delay,
10778 sched-spec-prob-cutoff): Document.
10780 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10782 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10783 inter_tick, queue_index.
10784 (struct sched_info): Change signature of init_ready_list field.
10785 Adjust all initializations.
10786 (RESOLVED_DEPS): New access macro.
10787 (ready_add): Remove prototype.
10788 (try_ready): Add prototype.
10789 * sched-rgn.c (init_ready_list): Use try_ready.
10790 (schedule_region): Initialize
10791 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10792 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10793 (init_ready_list): Use try_ready.
10794 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10795 * lists.c (remove_list_elem): Remove `static'.
10796 (remove_free_INSN_LIST_elem): New function.
10797 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10798 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10799 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10801 (readyp): New variable.
10802 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10803 change_queue_index, resolve_dep): New static functions.
10804 (try_ready): New function. Adjust callers in sched-rgn.c and
10805 sched-ebb.c to use it instead of ready_add.
10806 (clock_var): Move at the begining of file.
10807 (rank_for_schedule): Fix typo.
10808 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10809 (ready_lastpos): Enforce assertion.
10810 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10811 update all callers.
10812 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10813 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10814 (queue_to_ready): Use free_INSN_LIST_list.
10815 (early_queue_to_ready): Fix typo.
10816 (schedule_block): Init readyp. Move init_ready_list call after the
10817 initialization of clock_var. Fix error in rejecting insn by
10818 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10819 that previously corrected INSN_TICKs. Add code for handling
10821 (set_priorities): Fix typo.
10822 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10823 Clarify comment and code that keeps current_sched_info->next_tail
10826 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10828 * sched-rgn.c (extend_rgns): New static function.
10829 (find_rgns): Use it.
10830 (gather_region_statistics, print_region_statistics): New static
10832 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10833 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10835 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10836 Andrey Belevantsev <abel@ispras.ru>
10838 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10839 * lists.c (unused_deps_list): New variable.
10840 (free_list): Add assertions to verify the proper distinguishing
10841 between INSN_LISTs and DEPS_LISTs.
10842 (find_list_elem, remove_list_elem, remove_list_node): New static
10844 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10845 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10846 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10847 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10849 (free_INSN_LIST_node): Likewise.
10850 * modulo-sched.c (current_sched_info): Initialize flags field.
10851 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10852 * rtl.def (DEPS_LIST): Define.
10853 * rtl.h: Declare new functions from lists.c.
10854 * sched-deps.c (spec_dependency_cache): New static variable.
10855 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10856 (add_dependence): Change return type to void. Move the logic to ...
10857 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10858 (delete_all_dependences): Add comment about forward_dependency_cache.
10859 Handle spec_dependency_cache. Handle DEPS_LISTs.
10860 (fixup_sched_groups): Clarify the change of priority of output
10861 and anti dependencies.
10862 (sched_analyze_2): Adjust add_dependence calls to create data
10863 speculative dependence.
10864 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10865 Adjust all callers. Handle DEPS_LISTS.
10866 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10867 presence of speculation.
10868 (init_dependency_caches, free_dependency_caches):
10869 Handle spec_dependency_cache.
10870 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10871 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10872 New static functions.
10873 (add_or_update_back_dep, add_or_update_back_forw_dep,
10874 add_back_forw_dep, delete_back_forw_dep): New functions.
10875 * sched-int.h (ds_t, dw_t): New typedefs.
10876 (struct sched_info): Add new field flags.
10877 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10878 Prototype new sched-deps.c functions.
10879 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10880 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10881 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10882 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10883 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10884 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10886 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10888 * sched-rgn.c (current_sched_info): Initialize flags field.
10889 (schedule_insns): Initialize current_sched_info before the sched_init
10891 * sched-ebb.c (current_sched_info): Initialize flags field.
10892 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10893 Call add_or_update_back_dep instead of add_dependence.
10894 Create control speculative dependencies.
10895 (schedule_insns): Initialize current_sched_info before the sched_init
10898 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10900 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10902 (sh_fallback_frame_state): Likewise.
10904 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10906 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10907 Do switch on default_use_cxa_atexit.
10908 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10909 * config/darwin-crt3.o: New.
10910 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10911 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10912 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10914 * config/rs6000/t-darwin: Move crt2.o building to here.
10915 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10916 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10919 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10921 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10922 from '! xxx' to '!xxx' for coding-style conformance.
10923 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10924 (EXTRA_CONSTRAINT): Likewise.
10925 * config/vax/vax.md (four unnamed insns): Likewise.
10927 2006-03-15 Paul Brook <paul@codesourcery.com>
10929 * config/arm/arm.c (minipool_pad): New.
10930 (add_minipool_forward_ref): Include pool alignment padding in address
10932 (push_minipool_fix): Set minipool_pad.
10933 (minipool_pad): Ditto.
10935 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10937 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10938 instead of GET_CODE() == MEM and REG_P() instead of
10940 (print_operand_address): Likewise.
10941 (vax_address_cost): Likewise.
10942 (vax_rtx_costs): Likewise.
10943 (vax_notice_update_cc): Likewise.
10944 (vax_output_int_add): Likewise.
10945 (INDEX_REGISTER_P): Likewise.
10946 (BASE_REGISTER_P): Likewise.
10947 (nonindexed_address_p): Likewise.
10948 (vax_mode_dependent_address_p): Likewise.
10949 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10950 (PRINT_OPERAND): Likewise.
10951 * config/vax/vax.md (ashlsi3): Likewise.
10952 (ashlsi3): Likewise.
10953 (some more unnamed insns): Likewise.
10955 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10957 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10958 iterator-style macro.
10959 (mark_control_dependent_edges_necessary): Update the use of
10960 EXECUTE_IF_CONTROL_DEPENDENT.
10962 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10964 * config/sh/predicates.md (cache_address_operand): Special.
10965 (ua_address_operand): Likewise.
10967 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10969 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10971 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10973 2006-03-15 Andreas Schwab <schwab@suse.de>
10975 * gensupport.c (identify_predicable_attribute): Don't free p_false
10976 when it is still in use.
10978 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10980 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10981 the default setting here.
10983 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10985 * tree-pass.h (pass_cfg): Remove.
10986 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10987 * passes.c (pass_cfg): Don't run it.
10989 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10991 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10992 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10994 (stack_regs_mentioned): Update the uses of
10995 stack_regs_mentioned_data. Don't access the array beyond its
10997 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10998 Don't include gt-reg-stack.h.
11000 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11001 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11003 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11005 PR middle-end/26684
11006 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11009 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11011 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11013 2006-03-14 Richard Guenther <rguenther@suse.de>
11015 PR tree-optimization/26672
11016 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11019 2006-03-14 Richard Guenther <rguenther@suse.de>
11021 PR tree-optimization/26667
11022 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11023 node for the callees. Always allow inlining if it will shrink
11026 2006-03-14 Richard Guenther <rguenther@suse.de>
11028 PR middle-end/26659
11029 * builtins.c (get_pointer_alignment): Prefer alignment
11030 information from decls over that from types.
11032 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11035 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11037 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11039 * config/rs6000/rs6000.opt (mdlmzb): New option.
11040 (msched-prolog, msched-epilog): Use Var not Mask.
11041 * doc/invoke.texi (-mdlmzb): Document.
11042 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11044 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11045 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11047 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11049 PR rtl-optimization/25739
11050 * bt-load.c (augment_live_range): Free tos pointer.
11052 * gensupport.c (identify_predicable_attribute): Free
11054 * gcov.c (create_file_names): Free name pointer.
11056 2006-03-13 Roger Sayle <roger@eyesopen.com>
11058 PR middle-end/26557
11059 * stmt.c (emit_case_nodes): Handle the case where the index is a
11060 CONST_INT, where the comparison mode is specified by the index type.
11062 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11064 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11067 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11069 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11070 (*branch_fp_inverted): Likewise.
11072 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11074 PR middle-end/25989
11075 * omp-low.c (expand_omp_for_generic): Mark istart0
11076 and iend0 as addressable.
11078 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11080 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11082 2006-03-13 Jeff Law <law@redhat.com>
11084 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11085 virtual operands are interesting.
11086 (vrp_visit_stmt): Corresponding changes.
11088 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11090 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11092 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11093 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11094 * config/bfin/crti.S: Use it instead of __PIC__.
11095 * config/bfin/crtn.S: Likewise.
11097 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11098 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11100 Lose 'G' modifier for call operand.
11101 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11102 recognize 'G' modifier.
11104 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11106 PR middle-end/18859
11107 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11108 * stmt.c (expand_case): Likewise.
11110 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11112 PR rtl-optimization/26254
11113 * loop-invariant.c (seq_insns_valid_p): New function.
11114 (move_invariant_reg): Only emit new code if it is valid.
11116 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11118 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11120 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11121 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11122 (commit_one_edge_insertion): Do not look for loop notes.
11124 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11126 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11127 flag_test_coverage out of loop.
11129 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11131 * final.c (shorten_branches): Remove outdated comment, and turn
11132 the if branch that guards it to continue.
11134 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11136 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11137 * cfgloop.h (struct loop): Remove unused fields.
11139 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11141 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11142 (-dL, -fdump-rtl-loop2): Update the dump file names
11144 * doc/invoke.texi: Update dump file names.
11146 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11148 * predict.c (estimate_probability): Remove.
11149 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11150 * basic-block.h (estimate_probability): Remove prototype.
11151 * passes.c (finish_optimization_passes): Dump branch prediction or
11152 profiling heuristics to the .profile tree dump.
11153 (init_optimization_passes): Unqueue pass_branch_prob.
11155 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11157 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11159 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11160 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11162 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11164 * function.h (frame_offset_overflow): Declare.
11165 * function.c (frame_offset_overflow): New function.
11166 (assign_stack_local_1): Call it to detect that the offset overflows.
11167 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11169 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11171 * config/sh/sh.c: Include alloc-pool.h.
11172 (label_ref_list_pool): New alloc pool.
11173 (label_ref_list_t): New type for lists of labels.
11174 (struct pool_node): Make wend a label_ref_list_t.
11175 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11177 (dump_table): Likewise.
11178 (sh_reorg): Set up the alloc pool before using add_constant and
11179 dump_table, and destroy it when finishing.
11181 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11183 * config/mips/mips.c: Remove redundant comment.
11185 2006-03-10 Jason Merrill <jason@redhat.com>
11188 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11189 the target was declared 'register'.
11191 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11193 * genpreds.c (write_insn_constraint_len): Change definition of
11194 insn_constraint_len to return size_t to match the declaration.
11196 2006-03-10 DJ Delorie <dj@redhat.com>
11198 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11200 (m32c_expand_insv): Fix test for an AND mask.
11202 2006-03-10 Richard Guenther <rguenther@suse.de>
11204 PR middle-end/26565
11205 * builtins.c (get_pointer_alignment): Handle component
11206 references for field alignment.
11208 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11210 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11211 when building with libgloss.
11212 (sh*elf): Implement --without-fp option.
11213 (sh64-superh-linux*): Don't multilib.
11215 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11217 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11219 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11221 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11222 Set it when one of the replacement functions returned true.
11223 Return TODO_cleanup_cfg if cfgchanged is true.
11224 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11226 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11228 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11229 instead of gen_lowpart.
11231 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11233 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11235 (mips_output_order_conditional_branch): Declare.
11236 * config/mips/mips.h (MIPS_BRANCH): New macro.
11237 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11238 for the comparison. Use gen_condjump.
11239 (mips_output_conditional_branch): Rework interface to take the
11240 asm templates for a direct branch and the inverse of a direct branch.
11241 (mips_output_order_conditional_branch): New function.
11242 (mips_builtin_branch_and_move): New function.
11243 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11244 branch condition. Use gen_single_cc as the condition for
11245 __builtin_mips_upper_* or __builtin_mips_lower_*.
11246 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11247 Use VOIDmode for the branch condition.
11248 * config/mips/predicates.md (order_operator): New predicate.
11249 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11250 (branch_fp): Rename to...
11251 (*branch_fp): ...this. Remove mode from comparison operator.
11252 Use new mips_output_conditional_branch interface.
11253 (branch_fp_inverted): Rename to...
11254 (*branch_fp_inverted): ...this and update as for *branch_fp.
11255 (*branch_zero<mode>): Rename to...
11256 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11257 Use mips_output_order_conditional_branch. Only accept ordered
11259 (*branch_zero<mode>_inverted): Rename to...
11260 (*branch_order<mode>_inverted): ...this and update as for
11261 *branch_order<mode>.
11262 (*branch_equality<mode>): Accept zero as the second operand to
11263 the equality operator. Use the new mips_output_conditional_branch
11265 (*branch_equality<mode>_inverted): Likewise.
11266 (condjump): New expander.
11267 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11269 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11270 (bc1any2t, bc1any2f): Likewise.
11271 (single_cc): New expander.
11272 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11274 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11276 * doc/md.texi: Update documentation of MIPS constraints.
11277 * config/mips/constraints.md: New file.
11278 * config/mips/mips.md: Include it.
11279 * config/mips/mips.c (mips_char_to_class): Delete.
11280 (override_options): Don't initialize mips_char_to_class.
11281 * config/mips/mips.h (mips_char_to_class): Delete.
11282 (REG_CLASS_FROM_LETTER): Delete.
11283 (CONST_OK_FOR_LETTER_P): Delete.
11284 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11285 (EXTRA_CONSTRAINT_Y): Delete.
11286 (EXTRA_CONSTRAINT_STR): Delete.
11287 (CONSTRAINT_LEN): Delete.
11288 (EXTRA_MEMORY_CONSTRAINT): Delete.
11290 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11292 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11293 original fn's eh regions.
11295 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11297 * fold-const.c (build_range_check): Make sure to use a valid type to
11298 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11301 (range_predecessor): New static function.
11302 (range_successor): Likewise.
11303 (merge_ranges): Use them to compute predecessors and successors of
11306 2006-03-09 Roger Sayle <roger@eyesopen.com>
11308 PR middle-end/26561
11309 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11310 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11312 2006-03-08 DJ Delorie <dj@redhat.com>
11314 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11315 (addpsi3): Expand to include memory operands. Remove
11316 reload-specific splits.
11317 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11318 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11319 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11320 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11321 (shift1_qi, shift1_hi, insv): New.
11322 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11323 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11324 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11326 * config/m32c/m32c-protos.h: Update as needed.
11327 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11328 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11329 Fail for unrecognized R* constraints.
11330 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11331 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11332 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11334 (m32c_init_libfuncs): New.
11335 (m32c_legitimate_address_p): Add debug wrapper.
11336 (m32c_rtx_costs): New.
11337 (m32c_address_cost): New.
11338 (conversions): Add 'B' prefix.
11339 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11340 operands, or word regnames for QI operands. 'B' prints bit
11342 (m32c_expand_setmemhi): New.
11343 (m32c_expand_movmemhi): New.
11344 (m32c_expand_movstr): New.
11345 (m32c_expand_cmpstr): New.
11346 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11347 (m32c_expand_neg_mulpsi3): Handle non-ints.
11348 (m32c_cmp_flg_0): New.
11349 (m32c_expand_movcc): New.
11350 (m32c_expand_insv): New.
11351 (m32c_scc_pattern): New.
11352 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11353 a0/a1 out of SIregs.
11354 (STORE_FLAG_VALUE): New.
11355 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11358 * config/m32c/mov.md: Make constraints more liberal.
11359 (zero_extendqihi2): Optimize r0/r1 case.
11360 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11361 * config/m32c/predicates.md (m32c_any_operand): New.
11362 (m32c_nonimmediate_operand): New.
11363 (m32c_hl_operand): New.
11364 (m32c_r3_operand): New.
11367 (memsym_operand): New.
11368 (memimmed_operand): New.
11369 (a_qi_operand): New.
11370 (m32c_eqne_operator): New.
11371 (m32c_1bit8_operand): New.
11372 (m32c_1bit16_operand): New.
11373 (m32c_1mask8_operand): New.
11374 (m32c_1mask16_operand): New.
11375 * config/m32c/blkmov.md: New file.
11376 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11378 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11380 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11381 unsigned to fix signed/unsigned comparison issue in
11382 DWARF2_FRAME_REG_OUT.
11383 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11384 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11386 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11387 of ptr into the ENABLE_CHECKING section.
11389 2006-03-08 Jeff Law <law@redhat.com>
11391 * tree-vrp.c (infer_value_range): Only count pointer uses
11392 and dereferences if -fdelete-null-pointer-checks is enabled.
11394 * tree-vrp.c (find_assert_locations): Infer value ranges for
11395 single use pointers, but do not create ASSERT_EXPRs for them.
11396 When a non-null range is inferred for a pointer, backwards
11397 propagate that range to other equivalent pointers through the
11400 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11403 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11404 language hook targets.
11405 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11406 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11407 if language hook targets were missing.
11409 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11411 * tree-ssa-opfinalize.h: Removed.
11412 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11414 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11415 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11416 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11417 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11418 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11419 finalize_ssa_v_must_def_ops): New.
11421 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11423 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11424 block as parameter.
11426 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11428 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11430 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11431 addresses with offsets; reorganize.
11433 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11434 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11435 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11437 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11440 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11442 2006-03-08 Ben Elliston <bje@au.ibm.com>
11444 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11446 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11449 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11452 2006-03-07 Richard Guenther <rguenther@suse.de>
11454 PR tree-optimization/26587
11455 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11457 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11459 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11461 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11463 * hooks.c (hook_bool_mode_rtx_true): New function.
11464 * hooks.h (hook_bool_mode_rtx_true): Declare.
11465 * toplev.c (compile_file): Call output_shared_constant_pool.
11466 * varasm.c (shared_constant_pool): New variable.
11467 (assemble_start_function, assemble_end_function): Remove arguments
11468 from call to output_constant_pool.
11469 (create_constant_pool): New function, split out from...
11470 (init_varasm_status): ...here.
11471 (force_const_mem): Choose between the shared and per-function constant
11472 pools. Set current_function_uses_const_pool when reusing old entries
11473 as well as when creating new ones.
11474 (mark_constant): Ignore data argument.
11475 (mark_constants): Remove pool argument.
11476 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11477 to decide whether the function uses a constant pool.
11478 (output_constant_pool_contents): New function, split out from...
11479 (output_constant_pool): ...here.
11480 (output_shared_constant_pool): New function.
11481 (init_varasm_once): Initialize shared_constant_pool.
11482 * output.h (output_constant_pool): Delete.
11483 (output_shared_constant_pool): Declare.
11484 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11485 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11487 2006-03-06 Nick Clifton <nickc@redhat.com>
11489 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11490 flag_strength_reduce.
11492 2006-03-06 Ben Elliston <bje@au.ibm.com>
11494 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11495 x86_64-*-linux* configurations.
11497 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11498 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11500 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11502 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11504 * basic-block.h: Remove the extern for
11505 rediscover_loops_after_threading.
11507 * cfgloop.c (cancel_loop): Make it static.
11508 * cfgloop.h: Remove the prototype for cancel_loop.
11510 * flow.c (recompute_reg_usage): Make it static.
11511 * rtl.h: Remove the prototype for recompute_reg_usage.
11513 * function.c (use_return_register): Make it static.
11514 * function.h: Remove the prototype.
11516 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11518 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11520 * recog.h: Remove the prototype for
11521 validate_change_maybe_volatile.
11523 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11525 * rtlanal.c (replace_reg): Remove.
11526 * rtl.h: Remove the prototype for replace_reg.
11528 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11530 * regclass.c (reg_scan_update): Remove.
11531 (reg_scan_mark_refs): Remove the last argument.
11532 * rtl.h: Remove the prototype for reg_scan_update.
11534 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11536 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11537 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11538 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11539 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11540 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11541 loop-invariant.c, omp-low.c, opts.c, passes.c,
11542 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11543 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11544 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11545 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11546 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11547 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11549 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11551 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11552 * dwarf2out.h: Remove the prototype for
11553 dwarf2out_add_library_unit_info.
11555 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11557 * tree.c (add_var_to_bind_expr): Remove.
11558 * tree.h: Remove the prototype for add_var_to_bind_expr.
11560 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11562 * regclass.c (n_non_fixed_regs): Remove.
11563 (init_reg_sets_1, globalize_reg): Remove all uses of
11565 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11567 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11569 * rtlanal.c (insns_safe_to_move_p): Remove.
11570 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11572 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11574 * expmed.c (expand_mult_add): Remove.
11575 * expr.h: Remove the prototype for expand_mult_add.
11577 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11579 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11580 and REG_SAVED_VAL_EXP constants.
11581 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11582 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11583 Handle regs stored by value.
11584 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11585 (execute_cfa_program): Handle DW_CFA_val_offset,
11586 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11587 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11588 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11589 (uw_install_context_1): Handle target regs stored by value.
11591 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11593 * tree-sra.c (tree_sra): Return todoflags;
11594 (generate_one_element): Set TODO_update_smt_usage if needed.
11595 (pass_sra): Remove TODO_update_smt_usage.
11596 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11598 (tree_ssa_forward_propagate_single_use_vars): Return
11599 TODO_update_smt_usage if we need to update SMT usage.
11600 (pass_forwprop): Remove TODO_update_smt_usage.
11602 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11604 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11605 (correct_use_link): Remove reference to get_stmt_operands.
11606 (update_stmt_operands): Likewise.
11607 (get_modify_expr_operands): New function factored out of
11608 parse_ssa_operands and get_expr_operands.
11609 Try to create V_MUST_DEFs for LHS by default.
11610 (get_expr_operands) <case MODIFY_EXPR>: Call
11611 get_modify_expr_operands.
11612 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11613 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11614 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11615 get_modify_expr_operands.
11617 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11619 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11620 * tree-flow.h: Remove the prototype for
11621 referenced_var_lookup_if_exists.
11623 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11625 PR rtl-optimization/26345
11627 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11629 2006-03-03 Roger Sayle <roger@eyesopen.com>
11631 PR tree-optimization/26524
11632 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11633 fold_convert to create a constant of the appropriate type.
11635 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11637 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11638 SYMBOL_REF_IN_BLOCK_P.
11639 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11640 of SYMBOL_FLAG_IN_BLOCK.
11641 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11642 instead of SYMBOL_REF_IN_BLOCK_P.
11643 * explow.c (use_anchored_address): Likewise.
11644 * rtl.c (rtx_size): Likewise.
11645 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11646 instead of SYMBOL_FLAG_IN_BLOCK.
11647 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11648 SYMBOL_REF_IN_BLOCK_P.
11649 (assemble_variable): Likewise.
11650 (output_constant_def_contents): Likewise.
11651 (output_constant_pool): Likewise.
11652 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11653 instead of SYMBOL_FLAG_IN_BLOCK.
11654 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11655 SYMBOL_REF_IN_BLOCK_P.
11656 (SYMBOL_REF_BLOCK): Likewise.
11657 (SYMBOL_REF_OFFSET): Likewise.
11658 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11659 SYMBOL_REF_IN_BLOCK_P.
11660 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11661 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11662 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11663 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11665 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11667 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11669 2006-03-02 Roger Sayle <roger@eyesopen.com>
11671 * simplify-rtx.c (simplify_unary_operation): When simplifying
11672 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11673 that we perform the right shift in the appropriate mode, and
11674 then extend or truncate the result to requested mode.
11676 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11678 * gengtype.c (main): Handle double_int type.
11679 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11680 * double-int.c: New file.
11681 * double-int.h: New file.
11682 * system.h: Include doubleint.h.
11683 * Makefile.in (SYSTEM_H): Include double-int.h.
11684 (double-int.o): Add.
11686 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11689 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11692 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11694 * tree-vrp.c (remove_range_assertions): Do not update statements
11697 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11699 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11701 * gcse.c (rest_of_handle_gcse): Ditto.
11702 * except.c (gate_handle_eh): Ditto.
11703 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11704 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11706 2006-03-02 Eric Christopher <echristo@apple.com>
11708 * config/i386/i386.c (machopic_output_stub): Add indirection to
11711 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11715 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11717 Sun Niagara specific optimizations.
11718 * config.gcc: Recognize niagara as target.
11719 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11720 (TARGET_CPU_niagara): Define.
11721 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11722 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11723 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11724 (ASM_CPU_SPEC): Likewise.
11725 (PROCESSOR_NIAGARA): New enum entry.
11726 (REGISTER_MOVE_COST): Handle Niagara.
11727 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11728 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11729 (sparc_override_options): Recognize "niagara", set appropriate
11730 default MASK_* values for it, and align functions to 32-bytes
11731 by default just like ULTRASPARC/ULTRASPARC3.
11732 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11733 (sparc64_initialize_trampoline): Likewise.
11734 (sparc_use_sched_lookahead): Use zero for niagara.
11735 (sparc_issue_rate): Use one for niagara.
11736 * config/sparc/niagara.md: New file.
11737 * config/sparc/sparc.md: Include it.
11738 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11739 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11740 when default cpu is niagara.
11741 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11742 (ASM_CPU_SPEC): Likewise.
11743 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11744 when default cpu is niagara.
11745 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11746 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11747 just like v9/ultrasparc/ultrasparc3.
11748 * doc/invoke.texi: Add documentation for "niagara" and improve
11749 existing documentation for ultrasparc variants.
11751 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11753 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11755 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11757 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11758 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11759 and say that only one is needed.
11760 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11761 * target.h (have_switchable_bss_sections): New hook.
11762 * explow.c (use_anchored_address): Check that the symbol is in a block.
11763 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11764 (bss_noswitch_section): New variables.
11765 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11766 (get_noswitch_section): New function.
11767 (get_block_for_section): Allow SECT to be null.
11768 (unlikely_text_section_p): Use SECTION_STYLE.
11769 (bss_initializer_p): New function.
11770 (get_variable_section): Move earlier in file. Take a new argument,
11771 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11772 Return one of the new *_sections in such cases.
11773 (get_block_for_decl): New function, extracting some logic from
11774 use_blocks_for_decl_p.
11775 (change_symbol_section): Remove in favor of...
11776 (change_symbol_block): ...this new function.
11777 (use_blocks_for_decl_p): Remove checks now performed by
11778 get_block_for_decl.
11779 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11780 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11781 (emit_local, emit_bss, emit_common): ...these new functions.
11782 Return true if the alignment was honored.
11783 (emit_tls_common): New function.
11784 (asm_emit_uninitialised): Delete.
11785 (assemble_variable_noswitch): New function, split out from...
11786 (assemble_variable): ...here. Don't make decisions about common
11787 variables here. Globalize all public decls that go into non-common
11788 sections. Check whether SYMBOL_REF_BLOCK is null.
11789 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11790 (output_constant_pool): Likewise.
11791 (init_varasm_once): Initialize the new section variables.
11792 (have_global_bss_p): New function.
11793 (categorize_decl_for_section): Use bss_initializer_p.
11794 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11795 (place_block_symbol): Assert that the symbol must be in a block.
11796 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11797 (TARGET_INITIALIZER): Include it.
11798 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11799 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11800 (SECTION_MACH_DEP): Bump by two.
11801 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11802 (unnamed_section): Mention SECTION_UNNAMED in comment.
11803 (named_section): Likewise SECTION_NAMED.
11804 (noswitch_section_callback): New type.
11805 (noswitch_section): New structure.
11806 (section): Add a noswitch_section alternative.
11807 (SECTION_STYLE): New macro.
11808 (tls_comm_section, comm_section, lcomm_section): Declare.
11809 (bss_noswitch_section, have_global_bss_p): Declare.
11810 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11811 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11813 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11814 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11817 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11819 * tree-vrp.c (execute_vrp): Return value.
11820 * regrename.c (rest_of_handle_regrename): Ditto.
11821 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11822 * tree-complex.c (tree_lower_complex): Ditto.
11823 (tree_lower_complex_O0): Ditto.
11824 * tracer.c (rest_of_handle_tracer): Ditto.
11825 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11826 * postreload.c (rest_of_handle_postreload): Ditto.
11827 * tree-tailcall.c (execute_tail_recursion): Ditto.
11828 (execute_tail_calls): Ditto.
11829 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11830 * tree.h (init_function_for_compilation): Ditto.
11831 * ipa-cp.c (ipcp_driver): Ditto.
11832 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11833 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11834 * final.c (compute_alignments): Ditto.
11835 (rest_of_handle_final): Ditto.
11836 (rest_of_handle_shorten_branches): Ditto.
11837 (rest_of_clean_state): Ditto.
11838 * omp-low.c (execute_expand_omp): Ditto.
11839 (execute_lower_omp): Ditto.
11840 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11841 * ipa-reference.c (static_execute): Ditto.
11842 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11843 * reorg.c (rest_of_handle_delay_slots): Ditto.
11844 (rest_of_handle_machine_reorg): Ditto.
11845 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11846 * flow.c (recompute_reg_usage): Ditto.
11847 (rest_of_handle_remove_death_notes): Ditto.
11848 (rest_of_handle_life): Ditto.
11849 (rest_of_handle_flow2): Ditto.
11850 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11851 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11852 (do_ssa_store_ccp): Ditto.
11853 (execute_fold_all_builtins): Ditto.
11854 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11855 * modulo-sched.c (rest_of_handle_sms): Ditto.
11856 * ipa-pure-const.c (static_execute): Ditto.
11857 * cse.c (rest_of_handle_cse): Ditto.
11858 (rest_of_handle_cse2): Ditto.
11859 * web.c (rest_of_handle_web): Ditto.
11860 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11861 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11862 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11863 * tree-nrv.c (tree_nrv): Ditto.
11864 (execute_return_slot_opt): Ditto.
11865 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11866 (create_structure_vars): Ditto.
11867 * loop-init.c (rtl_loop_init): Ditto.
11868 (rtl_loop_done): Ditto.
11869 (rtl_move_loop_invariants): Ditto.
11870 (rtl_unswitch): Ditto.
11871 (rtl_unroll_and_peel_loops): Ditto.
11872 (rtl_doloop): Ditto.
11873 * gimple-low.c (lower_function_body): Ditto.
11874 (mark_used_blocks): Ditto.
11875 * tree-ssa-sink.c (execute_sink_code): Ditto.
11876 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11877 (cgraph_early_inlining): Ditto.
11878 * global.c (rest_of_handle_global_alloc): Ditto.
11879 * jump.c (cleanup_barriers): Ditto.
11880 (purge_line_number_notes): Ditto.
11881 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11882 (rest_of_handle_if_after_reload): Ditto.
11883 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11884 (tree_ssa_loop_im): Ditto.
11885 (tree_ssa_loop_unswitch): Ditto.
11886 (tree_vectorize): Ditto.
11887 (tree_linear_transform): Ditto.
11888 (tree_ssa_loop_ivcanon): Ditto.
11889 (tree_ssa_empty_loop): Ditto.
11890 (tree_ssa_loop_bounds): Ditto.
11891 (tree_complete_unroll): Ditto.
11892 (tree_ssa_loop_prefetch): Ditto.
11893 (tree_ssa_loop_ivopts): Ditto.
11894 (tree_ssa_loop_done): Ditto.
11895 * predict.c (tree_estimate_probability): Ditto.
11896 * recog.c (split_all_insns_noflow): Ditto.
11897 (rest_of_handle_peephole2): Ditto.
11898 (rest_of_handle_split_all_insns): Ditto.
11899 * tree-eh.c (lower_eh_constructs): Ditto.
11900 * regmove.c (rest_of_handle_regmove): Ditto.
11901 (rest_of_handle_stack_adjustments): Ditto.
11902 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11903 * function.c (instantiate_virtual_regs): Ditto.
11904 (init_function_for_compilation): Ditto.
11905 (rest_of_handle_check_leaf_regs): Ditto.
11906 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11907 (rest_of_handle_gcse): Ditto.
11908 * ipa-type-escape.c (type_escape_execute): Ditto.
11909 * alias.c (rest_of_handle_cfg): Ditto.
11910 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11911 * profile.c (rest_of_handle_branch_prob): Ditto.
11912 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11913 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11914 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11915 * tree-dfa.c (find_referenced_vars): Ditto.
11916 * except.c (set_nothrow_function_flags): Ditto.
11917 (convert_to_eh_region_ranges): Ditto.
11918 (rest_of_handle_eh): Ditto.
11919 * emit-rtl.c (unshare_all_rtl): Ditto.
11920 (remove_unnecessary_notes): Ditto.
11921 * except.h (set_nothrow_function_flags): Ditto.
11922 (convert_to_eh_region_ranges): Ditto.
11923 * cfgexpand.c (tree_expand_cfg): Ditto.
11924 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11925 * tree-ssa-pre.c (do_pre): Ditto.
11926 (execute_fre): Ditto.
11927 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11928 (rest_of_handle_jump2): Ditto.
11929 * tree-sra.c (tree_sra): Ditto.
11930 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11931 (execute_mudflap_function_decls): Ditto.
11932 * tree-ssa-copy.c (do_copy_prop): Ditto.
11933 (do_store_copy_prop): Ditto.
11934 * ipa-prop.h (ipcp_driver): Ditto.
11935 * cfglayout.c (insn_locators_initialize): Ditto.
11936 * tree-ssa-forwprop.c
11937 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11938 * cfglayout.h (insn_locators_initialize): Ditto.
11939 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11940 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11941 (execute_late_warn_uninitialized): Ditto.
11942 * rtl.h (cleanup_barriers): Ditto.
11943 (split_all_insns_noflow): Ditto.
11944 (purge_line_number_notes): Ditto.
11945 (unshare_all_rtl): Ditto.
11946 (remove_unnecessary_notes): Ditto.
11947 (recompute_reg_usage): Ditto.
11948 (variable_tracking_main): Ditto.
11949 * integrate.c (emit_initial_value_sets): Ditto.
11950 * integrate.h (emit_initial_value_sets): Ditto.
11951 * tree-optimize.c (execute_free_datastructures): Ditto
11952 (execute_free_cfg_annotations): Ditto.
11953 (execute_fixup_cfg): Ditto.
11954 (execute_cleanup_cfg_pre_ipa): Ditto.
11955 (execute_cleanup_cfg_post_optimizing): Ditto.
11956 (execute_init_datastructures): Ditto.
11957 * tree-object-size.c (compute_object_sizes): Ditto.
11958 * combine.c (rest_of_handle_combine): Ditto.
11959 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11960 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11961 (rest_of_handle_reorder_blocks): Ditto.
11962 (rest_of_handle_partition_blocks): Ditto.
11963 * var-tracking.c (variable_tracking_main): Ditto.
11964 * tree-profile.c (tree_profiling): Ditto.
11965 * tree-vect-generic.c (expand_vector_operations): Ditto.
11966 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11967 * sched-rgn.c (rest_of_handle_sched): Ditto.
11968 (rest_of_handle_sched2): Ditto.
11969 * basic-block.h (free_bb_insn): Ditto.
11970 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11971 * tree-cfg.c (execute_build_cfg): Ditto.
11972 (remove_useless_stmts): Ditto.
11973 (split_critical_edges): Ditto.
11974 (execute_warn_function_return): Ditto.
11975 (execute_warn_function_noreturn): Ditto.
11976 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11977 * cfgrtl.c (free_bb_for_insn): Ditto.
11978 * passes.c (execute_one_pass): Run additional
11979 todos returned by execute function.
11980 * tree-pass.h (struct tree_opt_pass): Make execute
11983 2006-03-02 Richard Guenther <rguenther@suse.de>
11985 * tree-ssa-alias.c (find_used_portions): Consider taking
11986 the address as making the variable not write-only.
11988 2006-03-02 Nick Clifton <nickc@redhat.com>
11990 * config.gcc (default_use_cxa_atexit): Extend the description of
11991 this configure variable. Set its default value to "yes" for
11992 Linux, NetBSD and ELF targets on the assumption that they will
11993 use C libraries with the __cxa_atexit function.
11995 2006-03-02 Ben Elliston <bje@au.ibm.com>
11997 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11998 parameter as unused to suppress a build warning.
12000 2006-03-02 Ben Elliston <bje@au.ibm.com>
12002 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12005 2006-03-01 Roger Sayle <roger@eyesopen.com>
12008 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12009 declared name, the weak reference name, and the typeof name.
12010 (__gthrw): Avoid expanding the declared name suffix.
12011 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12013 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12015 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12017 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12018 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12019 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12020 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12021 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12022 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12023 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12024 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12025 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12026 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12027 (DW_END_default, DW_END_big, DW_END_little): New.
12028 (DW_END_lo_user, DW_END_hi_user): Define.
12029 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12030 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12031 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12034 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12036 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12038 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12040 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12042 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12044 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12045 to 'symbol_mem_tag'.
12047 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12050 2006-03-01 Roger Sayle <roger@eyesopen.com>
12052 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12054 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12057 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12058 MACHO_DYNAMIC_NO_PIC_P.
12059 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12061 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12064 * config/darwin-protos.h (darwin_asm_output_anchor):
12066 * config/darwin-sections.def (cstring_section):
12067 Add SECTION_MERGE to the flags.
12068 (literal4_section): Likewise.
12069 (literal8_section): Likewise.
12070 (objc_selector_refs_section): Likewise.
12071 (objc_cls_refs_section): Likewise.
12072 * config/darwin.c (darwin_asm_output_anchor): New
12074 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12076 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12078 Fix PR tree-optimization/26443
12079 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12080 to todo and PROP_tmt_usage to properties_destroyed.
12081 * tree-ssa-ccp.c (pass_ccp): Ditto.
12082 (pass_store_ccp): Ditto.
12083 * tree-ssa-dom.c (pass_dominator): Ditto.
12085 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12087 * tree-ssa-operands.c: Cleanup whitespace.
12088 (get_asm_expr_operands): Move before first invocation.
12089 (get_indirect_ref_operands): Likewise.
12090 (get_tmr_operands): Likewise.
12091 (get_call_expr_operands): Likewise.
12092 (append_def): Likewise.
12093 (append_use): Likewise.
12094 (append_v_may_def): Likewise.
12095 (append_v_must_def): Likewise.
12096 (add_call_clobber_ops): Likewise.
12097 (add_call_read_ops): Likewise.
12098 (add_stmt_operand): Likewise.
12099 (add_virtual_operand): Likewise.
12100 (build_ssa_operands): Likewise.
12102 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12104 PR middle-end/26022
12106 PR middle-end/24437
12107 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12108 with a call expr to ...
12109 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12111 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12113 * tree-vrp.c (extract_range_from_assert): Remove special
12114 handling for types with super-types.
12116 2006-03-01 Ben Elliston <bje@au.ibm.com>
12118 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12119 and powerpc64-*-linux* configurations.
12120 * config/t-dfprules: New file.
12122 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12123 Compile dfp-bit.c from the source directory using -DWIDTH and
12124 $DFP_CFLAGS to control the compilation of that file, rather than
12125 generating width-specific versions in the build directory.
12126 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12127 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12129 2006-02-28 Zack Weinberg <zackw@panix.com>
12131 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12134 2006-02-28 Eric Christopher <echristo@apple.com>
12136 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12137 Set up IN_LIBGCC definition of TARGET_64BIT.
12138 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12140 2006-02-28 Roger Sayle <roger@eyesopen.com>
12142 PR middle-end/14752
12143 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12144 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12145 cases via the construction of "expr != 0".
12147 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12149 * alias.c (alias_invariant, alias_invariant_size): Remove.
12150 (record_base_value): Remove.
12151 (memrefs_conflict_p): Don't look at alias_invariant.
12152 (end_alias_analysis): Don't free it.
12153 * alias.h (record_base_value): Remove prototype.
12155 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12156 Adam Nemet <anemet@caviumnetworks.com>
12158 * rtl.h (truncated_to_mode): Declare it.
12159 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12160 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12161 (RTL_HOOKS_INITIALIZER): Include it.
12162 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12163 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12164 reg_truncated_to_mode.
12165 * rtlanal.c (truncated_to_mode): Define it.
12166 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12168 2006-02-28 Jeff Law <law@redhat.com>
12170 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12171 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12172 the range allowed by TYPE_PRECISION.
12174 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12176 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12178 PR tree-optimization/26419
12179 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12182 2006-02-27 Zack Weinberg <zackw@panix.com>
12184 * doc/md.texi: Fix typo in previous change.
12186 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12190 2006-02-27 Zack Weinberg <zackw@panix.com>
12192 * rtl.def (define_constraint, define_register_constraint)
12193 (define_memory_constraint, define_address_constraint): New MD forms.
12194 * gensupport.c (process_rtx): Put define_constraint etc on the
12196 * genpreds.c (process_define_predicate): Adjust comment. Validate
12197 the name, and call validate_exp to validate the expression.
12198 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12199 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12200 all callers changed.
12201 (validate_exp, needs_variable, struct constraint_data)
12202 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12203 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12204 (const_dbl_constraints, constraint_max_namelen)
12205 (have_register_constraints, have_memory_constraints)
12206 (have_address_constraints, have_address_constraints)
12207 (have_extra_constraints, have_const_int_constraints)
12208 (have_const_dbl_constraints, mangle, add_constraint)
12209 (process_define_constraint, process_define_register_constraint)
12210 (write_enum_constraint_num, write_lookup_constraint)
12211 (write_insn_constraint_len, write_regclass_for_constraint)
12212 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12213 (write_insn_extra_memory_constraint)
12214 (write_insn_extra_address_constraint)
12215 (write_satisfies_constraint_fns): New.
12216 (write_tm_preds_h): If we have new-style constraint definitions,
12217 prototype the functions generated from them, and define the
12218 old constraint interface (still used by generic code) in terms of
12220 (write_insn_preds_c): If we have new-style constraint definitions,
12221 generate all relevant functions from those definitions.
12222 (main): Handle define_constraint etc.
12223 * genoutput.c (struct constraint_data, indep_constraints)
12224 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12225 (mdep_constraint_len): New data structures and functions, defined
12226 #ifdef USE_MD_CONSTRAINTS.
12227 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12228 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12229 use new logic to validate operand constraints against constraint
12231 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12233 * defaults.h: If none of the old-style constraint macros are
12234 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12235 old-style macros; and poison REG_CLASS_FROM_LETTER,
12236 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12238 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12239 * doc/md.texi: Document new constraint-definition mechanism and the
12240 C interface it provides. Remove references to old mechanism
12241 elsewhere in the document.
12242 (Machine Constraints): Use pathnames relative to gcc directory,
12243 i.e. config/ARCH/FILE. Change i386 section to refer to
12244 config/i386/predicates.md; update that section to match docstrings.
12245 * doc/tm.texi: Move all documentation of the old constraint-
12246 definition macros to their own section, clearly mark as obsolete.
12248 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12249 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12251 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12252 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12253 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12254 constraint strings.
12255 (splits and peepholes): Use satisfies_constraint_*.
12256 * config/i386/i386.c (memory_address_length)
12257 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12259 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12261 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12262 scalar operation to be put back into the loop.
12264 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12267 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12268 (extract_cie_info): Handle S flag in augmentation string.
12269 (execute_cfa_program): If context->signal_frame, execute also
12270 fs->pc == context->ra instructions.
12271 (uw_frame_state_for): If context->signal_frame, don't subtract one
12272 from context->ra to find FDE.
12273 (uw_update_context_1): Set context->signal_frame to
12275 (_Unwind_GetIPInfo): New function.
12276 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12277 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12279 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12280 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12281 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12282 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12283 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12284 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12285 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12286 x86_64_fallback_frame_state): Set fs->signal_frame.
12287 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12288 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12289 (frob_update_context): Likewise. Workaround missing S flag in
12290 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12291 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12292 Remove the psw_addr + 1 hack.
12294 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12296 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12297 with aggregates here.
12298 (find_func_aliases): Remove code for &<aggregate> from here.
12300 2006-02-26 Roger Sayle <roger@eyesopen.com>
12302 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12303 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12304 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12305 as (X & C) ne/eq 0.
12307 2006-02-26 Roger Sayle <roger@eyesopen.com>
12309 PR middle-end/19983
12310 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12312 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12314 * opts.c (decode_options): Do not handle flag_strength_reduce.
12315 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12316 and OPT_fstrength_reduce.
12317 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12318 flag_prefetch_loop_arrays for being nonzero.
12319 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12321 (fprefetch-loop-arrays-rtl): Removed.
12322 (flag_prefetch_loop_arrays): Do not specify the value.
12324 * doc/passes.texi: Update documentation of loop optimizer
12326 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12327 -frerun-loop-opt): Remove.
12329 2006-02-26 Richard Guenther <rguenther@suse.de>
12331 PR tree-optimization/26421
12332 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12333 in function calls that are ADDR_EXPRs as using the whole structure.
12335 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12337 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12338 * tree-pass.h (pass_loop_optimize): Remove.
12339 * passes.c (pass_loop_optimize): Never run it.
12340 * toplev.c (backend_init): Don't call init_loop.
12341 * opts.c (flag_loop_optimize_set): Remove.
12342 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12343 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12344 the old RTL loop optimizer when profiling enabled.
12345 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12346 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12347 pre-headers for the sake of the old RTL loop optimizer.
12348 * Makefile.in: Remove all references to loop.o.
12350 * doc/invoke.texi: Remove all references to -floop-optimize
12351 and -frerun-loop-opt.
12353 2006-02-26 Zack Weinberg <zackw@panix.com>
12355 * doc/md.texi (Machine Constraints): Refer to all files with paths
12356 relative to gcc directory (i.e. config/CPU/file). Add missing
12357 @table @code ... @end table to M32C subsection.
12359 2006-02-26 Roger Sayle <roger@eyesopen.com>
12361 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12363 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12365 2006-02-26 Roger Sayle <roger@eyesopen.com>
12366 James A. Morrison <phython@gcc.gnu.org>
12368 PR middle-end/21137
12369 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12370 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12371 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12372 signedness of the shift operation.
12374 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12376 PR tree-optimization/26359
12377 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12379 2006-02-25 Roger Sayle <roger@eyesopen.com>
12381 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12382 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12383 as X == 0, and some symmetry related transformations.
12384 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12386 2006-02-25 Roger Sayle <roger@eyesopen.com>
12388 PR middle-end/23673
12389 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12390 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12391 symmetry related transformations. Fold (X^C1) == C2 as
12394 2006-02-25 Juergen Weigert <jw@suse.de>
12395 Richard Guenther <rguenther@suse.de>
12397 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12399 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12401 * combine.c (gen_lowpart_or_truncate): Call
12402 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12404 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12406 * doc/invoke.texi: Move -fopenmp description to "Options for
12408 Remove reference to -lgomp.
12410 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12412 * doc/install.texi: Require GNU tar version 1.14.
12414 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12416 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12417 * doc/invoke.texi (C++ Dialect Options): Document
12418 -fno-use-cxa-get-exception-ptr.
12419 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12420 * configure: Regenerate.
12421 * c.opt (fuse-cxa-get-exception-ptr): New.
12422 * c-opts.c (c_common_handle_option): Handle
12423 OPT_fuse_cxa_get_exception_ptr.
12424 * c-common.c (flag_use_cxa_atexit): Update documentation.
12425 (flag_use_cxa_get_exception_ptr): New.
12426 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12427 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12429 (C_COMMON_OVERRIDE_OPTIONS): New.
12431 2006-02-24 Roger Sayle <roger@eyesopen.com>
12433 PR middle-end/24952
12434 * combine.c (try_combine): Explicitly check whether GET_CODE is
12435 a SET or a CLOBBER, instead on checking that it isn't a USE.
12437 2006-02-24 Roger Sayle <roger@eyesopen.com>
12439 * fold-const.c (fold_comparison): New subroutine of fold_binary
12440 containing transformations common to both the equality and
12441 ordering relational operators, factored out of fold_binary.
12442 (fold_binary): Separate out the equality operators (EQ_EXPR
12443 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12444 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12445 transformations common to both.
12446 (fold_div_compare): Fix latent bugs in the previously unreachable
12447 LT_EXPR and GE_EXPR cases.
12449 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12451 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12452 decl libname for clog to __clog on AIX.
12454 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12456 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12459 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12460 output traceback table for thunks. Localise rs6000_stack_info call.
12462 2006-02-23 Roger Sayle <roger@eyesopen.com>
12463 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12465 * gthr-posix.h (__gthrw): Fix typo in comment.
12467 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12469 * doc/cpp.texi (Character sets): Document that we do support
12470 input files to be in any character set.
12472 2006-02-23 Jeff Law <law@redhat.com>
12474 * tree.h (PHI_ARG_NONZERO): Remove.
12475 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12476 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12477 node to the new node.
12479 PR tree-optimization/26425
12480 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12481 min/max, then assume its varying.
12483 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12485 PR rtl-optimization/26316
12486 * rtlanal.c (enum may_trap_p_flags): New.
12487 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12488 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12489 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12490 (may_trap_after_code_motion_p): New function.
12491 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12492 (find_invariant_insn): Use may_trap_after_code_motion_p.
12493 * rtl.h (may_trap_after_code_motion_p): Declare.
12495 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12497 * emit-rtl.c (immed_double_const): Cleanup.
12499 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12501 Fix PR tree-optimization/26376
12502 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12505 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12507 PR middle-end/26412
12508 * gimplify.c (omp_add_variable): Guard variable size decl test with
12509 DECL_SIZE (decl) check.
12511 2006-02-23 Richard Guenther <rguenther@suse.de>
12513 PR middle-end/26439
12514 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12515 like aggregate types.
12517 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12519 * configure.ac: Add --with{,out}-long-double-128 configure option.
12520 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12521 * configure: Rebuilt.
12522 * config.in: Rebuilt.
12523 * doc/install.texi (Options specification): Document
12524 --with-long-double-128.
12526 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12527 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12528 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12529 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12531 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12533 * config/s390/s390.c (override_options): Handle
12534 TARGET_DEFAULT_LONG_DOUBLE_128.
12536 * config/alpha/alpha.c (override_options): Handle
12537 TARGET_DEFAULT_LONG_DOUBLE_128.
12539 * config/sparc/sparc.c (sparc_override_options): Handle
12540 TARGET_DEFAULT_LONG_DOUBLE_128.
12542 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12544 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12545 (real-install-headers-tar, real-install-headers-cpio)
12546 (real-install-headers-cp): New targets.
12548 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12550 * tree.h (variable_section): Delete.
12551 * varasm.c (variable_section): Delete.
12553 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12555 * install.texi: Add notes on install.texi2html.
12556 (Building in parallel): Do not use footnotes.
12558 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12561 * doc/install.texi (Configuration): Document --disable-libgomp.
12563 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12565 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12567 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12569 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12570 (vec_extractv2df_0_sse): New.
12572 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12574 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12575 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12576 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12577 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12578 to the result of the expression.
12579 (def_cfa_1): Adjust.
12580 (frame_pointer_cfa_offset): Rename to...
12581 (frame_pointer_fb_offset): ... this. Adjust all uses.
12582 (convert_cfa_to_loc_list): Rename to...
12583 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12584 Pass it on to build_cfa_loc.
12585 (compute_frame_pointer_to_cfa_displacement): Rename to...
12586 (compute_frame_pointer_to_fb_displacement): ... this. New
12587 offset parameter. Use it in computation.
12588 (gen_subprogram_die): Compute cfa_fb_offset with the new
12589 macro, and use it to compute the fb loc list and the
12592 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12594 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12595 replaced with register_operand.
12596 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12597 non-DREG is expensive.
12598 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12599 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12602 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12604 * doc/install.texi2html: Use set -e.
12606 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12608 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12609 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12610 * doc/invoke.texi (-fshared-data): Delete.
12611 * common.opt (fshared-data): Delete.
12612 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12613 (assemble_static_space): Remove #if 0 code.
12614 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12615 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12616 * config/cris/cris.h: Remove FIXME.
12618 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12620 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12623 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12625 PR middle-end/26379
12626 * combine.c (simplify_shift_const_1): Disable nested shifts
12627 optimization for vector shifts.
12629 2006-02-20 Roger Sayle <roger@eyesopen.com>
12631 PR tree-optimization/26361
12632 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12633 of unsigned integer types.
12635 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12637 * tree-chrec.c (eq_evolutions_p): New.
12638 * tree-chrec.h (eq_evolutions_p): Declared.
12639 * tree-data-ref.c: Fix formatting.
12640 (datadep_stats, dependence_stats): New.
12642 (print_direction_vector): New.
12643 (dump_data_dependence_relation): Use print_direction_vector.
12644 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12645 (compute_subscript_distance): Static.
12646 (initialize_data_dependence_relation): Static. Get the number
12647 of loops surrounding the references from the callers, and initialize
12648 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12649 base_object_differ_p analyzers.
12650 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12651 compute_overlap_steps_for_affine_1_2,
12652 analyze_subscript_affine_affine): Count the classified dependences.
12653 Print a message when a test failed.
12654 (can_use_analyze_subscript_affine_affine): New.
12655 (analyze_siv_subscript): Compute the data dependences on symbolic
12656 scevs that verify can_use_analyze_subscript_affine_affine.
12657 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12658 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12659 Handle symbolic scevs.
12660 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12662 (subscript_dependence_tester): Moved...
12663 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12664 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12665 DDR_SIZE_VECT instead of getting it in parameter.
12666 (subscript_dependence_tester): ... here. Take as a parameter
12667 loop_nest_depth. Call build_classic_dist_vector and
12668 build_classic_dir_vector.
12669 (compute_affine_dependence): Update subscript_dependence_tester
12670 parameters. Update datadep_stats counters. Call
12671 compute_subscript_distance.
12672 (compute_self_dependence): Save the dist and dir vectors. Call
12673 compute_subscript_distance.
12674 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12675 (compute_all_dependences): Reorder parameters as they were before
12676 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12677 compute_subscript_distance. Update the use of
12678 compute_affine_dependence and initialize_data_dependence_relation.
12679 (find_data_references_in_loop): Handle COMPONENT_REF.
12680 (compute_data_dependences_for_loop): Initialize dependence_stats.
12681 Don't call build_classic_dist_vector and build_classic_dir_vector.
12682 Update the parameters of initialize_data_dependence_relation and
12683 compute_all_dependences. Print the statistics from datadep_stats.
12684 (analyze_all_data_dependences): Static. Not used until the pass for
12685 checking the data dependences is contributed.
12686 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12687 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12688 (initialize_data_dependence_relation, compute_affine_dependence,
12689 analyze_all_data_dependences, compute_subscript_distance): Removed.
12690 (print_direction_vector): New.
12691 * lambda.h (gcd): ... here.
12692 (lambda_vector_gcd): Moved here from gcd_vector.
12693 * lambda-code.c (gcd, gcd_vector): Removed.
12694 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12695 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12697 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12699 * ipa-type-escape.c: Tidy some comments and white space.
12700 * tree-ssa-operands.c: Likewise.
12702 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12705 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12706 (dump_decl_name): Do not walk the decl tree chains.
12707 * tree-pass.h (TDF_CHAIN): Remove.
12709 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12711 * Makefile.in (C): Remove
12713 (.PHONY): Remove C and PROTO
12715 2006-02-20 Roger Sayle <roger@eyesopen.com>
12717 PR middle-end/26236
12718 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12719 deprecated CHAR_TYPE tree code.
12721 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12723 * configure.ac (target_list): Add install-info, dvi, html.
12724 * configure: Regenerate.
12726 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12727 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12728 treelang/Make-lang.in: Do not use double-colon rules.
12730 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12732 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12733 (TMT_USED_ALONE): New macro.
12734 * tree-pass.h (PROP_tmt_usage): New property.
12735 (TODO_update_tmt_usage): New todo.
12736 * tree-ssa-alias.c (updating_used_alone): New variable.
12737 (recalculate_used_alone): New function.
12738 (compute_may_aliases): Set updating_used_alone, call
12739 recalculate_used_alone.
12740 * tree-sra.c (pass_sra): Note that this pass destroys
12741 PROP_tmt_usage, and add TODO_update_tmt_usage.
12742 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12743 * tree-flow.h (updating_used_alone): Prototype.
12744 (recalculate_used_alone): Ditto.
12745 * passes.c (execute_todo): Add code to set updating_used_alone,
12746 and call recalculate.
12747 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12748 for clobber if used alone, and add assert to verify used_alone
12751 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12753 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12754 for non tls symbols added.
12755 (legitimize_address): Do nothing for PLUS expressions if one of the
12756 addends is a tls symbol reference.
12758 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12762 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12764 * Makefile.in (BOOTSTRAPPING): New.
12765 (quickstrap): New definition if BOOTSTRAPPING=yes.
12767 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12768 * configure.ac: Substitute all_selected_languages with the languages
12769 that were configured. For all the other variables except
12770 lang_specs_files, include all the languages in the tree.
12771 * configure: Regenerate.
12773 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12774 if there is one. Run the commands to run fixincludes in the same
12777 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12778 * doc/install.texi: Document exact conventions for searching target tools.
12779 Document --with-build-time-tools. Document toplevel bootstrap. Document
12780 something more about building an Ada cross-compiler. Don't list GNU Make
12781 requirements which affect all platforms.
12783 2006-02-19 Roger Sayle <roger@eyesopen.com>
12785 PR middle-end/19543
12786 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12787 only equivalent if the have both the same mode and precision.
12789 2006-02-20 Ben Elliston <bje@au.ibm.com>
12791 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12793 2006-02-19 Roger Sayle <roger@eyesopen.com>
12794 Steven Bosscher <stevenb.gcc@gmail.com>
12796 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12797 constant pool references to identify stack mode constants.
12798 * rtlanal.c (constant_pool_constant_p): New predicate to check
12799 whether operand is a floating point constant in the pool.
12800 * rtl.h (constant_pool_constant_p): Prototype here.
12801 * loop.c (scan_loop): Avoid hoisting constants from the constant
12802 pool on STACK_REGS targets.
12803 (load_mems): Likewise.
12804 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12805 loads into x87 registers expensive in terms of register pressure.
12807 2006-02-19 Roger Sayle <roger@eyesopen.com>
12809 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12810 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12812 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12814 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12815 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12817 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12819 * doc/invoke.texi: Document -fipa-pta.
12820 * common.opt: Add ipa-pta option.
12821 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12822 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12823 (do_ds_constraint): Ditto.
12824 (get_constraint_for): Only add to referenced_vars if
12825 referenced_vars exists.
12826 (insert_into_field_list): Rewrite to do this unsorted.
12827 (insert_into_field_list_sorted): Rename old insert_into_field_list
12829 (create_function_info_for): Use insert_into_field_list_sorted.
12830 (create_variable_info_for): Rewrite so it uses unsorted version,
12831 since the field list is sorted.
12832 (intra_create_variable_infos): Only add to referenced_vars if
12833 referenced_vars exists.
12834 (ipa_pta_execute): Init heapvars, and delete when done.
12835 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12837 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12839 * doc/install.texi: Add missing `@samp'.
12841 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12843 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12846 2006-02-18 Mark Wielaard <mark@klomp.org>
12848 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12849 who added new 4.1 features, bug fixes and integration support.
12851 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12854 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12855 MEM for ABI_V4 pic.
12857 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12859 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12860 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12861 (copy_insn_1): Likewise. Don't copy each field individually.
12863 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12865 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12866 * rtl.c (rtx_size): Rename variable to...
12867 (rtx_code_size): ...this.
12868 (rtx_size): New function.
12869 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12870 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12872 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12873 * rtl.h (rtx_code_size): New variable.
12874 (rtx_size): Change from a variable to a function.
12875 (RTX_SIZE): Rename to...
12876 (RTX_CODE_SIZE): ...this.
12879 PR tree-optimization/17106
12880 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12881 (Anchored Addresses): New section.
12882 * doc/invoke.texi (-fsection-anchors): Document.
12883 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12884 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12885 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12886 * hooks.c (hook_bool_mode_rtx_false): New function.
12887 * hooks.h (hook_bool_mode_rtx_false): Declare.
12888 * gengtype.c (create_optional_field): New function.
12889 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12890 SYMBOL_REF_IN_BLOCK_P is true.
12891 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12892 (min_anchor_offset, max_anchor_offset): Likewise.
12893 (use_anchors_for_symbol_p): New hook.
12894 * toplev.c (compile_file): Call output_object_blocks.
12895 (target_supports_section_anchors_p): New function.
12896 (process_options): Check that -fsection-anchors is only used on
12897 targets that support it and when -funit-at-a-time is in effect.
12898 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12899 if the decl doesn't have one.
12900 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12901 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12902 of force_const_mem through use_anchored_address.
12903 (expand_expr_constant): New function.
12904 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12905 calling expand_expr for INDIRECT_REF.
12906 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12907 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12908 * expr.h (use_anchored_address): Declare.
12909 * loop-unroll.c: Don't declare rtx vectors here.
12910 * explow.c: Include output.h.
12911 (validize_mem): Call use_anchored_address.
12912 (use_anchored_address): New function.
12913 * common.opt (-fsection-anchors): New switch.
12914 * varasm.c (object_block_htab, anchor_labelno): New variables.
12915 (hash_section, object_block_entry_eq, object_block_entry_hash)
12916 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12917 (use_blocks_for_decl_p, change_symbol_section): New functions.
12918 (get_variable_section): New function, split out from assemble_variable.
12919 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12920 use_blocks_for_decl_p say so. Use change_symbol_section if the
12921 symbol has already been created.
12922 (assemble_variable_contents): New function, split out from...
12923 (assemble_variable): ...here. Don't output any code for
12924 block symbols; just pass them to place_block_symbol.
12925 Use get_variable_section and assemble_variable_contents.
12926 (get_constant_alignment, get_constant_section, get_constant_size): New
12927 functions, split from output_constant_def_contents.
12928 (build_constant_desc): Create a block symbol if use_object_blocks_p
12929 says so. Or into SYMBOL_REF_FLAGS.
12930 (assemble_constant_contents): New function, split from...
12931 (output_constant_def_contents): ...here. Don't output any code
12932 for block symbols; just pass them to place_section_symbol.
12933 Use get_constant_section and get_constant_alignment.
12934 (force_const_mem): Create a block symbol if use_object_blocks_p and
12935 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12936 (output_constant_pool_1): Add an explicit alignment argument.
12937 Don't switch sections here.
12938 (output_constant_pool): Adjust call to output_constant_pool_1.
12939 Switch sections here instead. Don't output anything for block symbols;
12940 just pass them to place_block_symbol.
12941 (init_varasm_once): Initialize object_block_htab.
12942 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12943 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12944 (place_block_symbol, get_section_anchor, output_object_block)
12945 (output_object_block_htab, output_object_blocks): New functions.
12946 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12947 (TARGET_ASM_OUT): Include it.
12948 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12949 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12950 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12951 (TARGET_INITIALIZER): Include them.
12952 * rtl.c (rtl_check_failed_block_symbol): New function.
12953 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12954 (block_symbol, object_block): New structures.
12955 (rtx_def): Add a block_symbol field to the union.
12956 (BLOCK_SYMBOL_CHECK): New macro.
12957 (rtl_check_failed_block_symbol): Declare.
12958 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12959 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12960 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12961 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12962 * output.h (output_section_symbols): Declare.
12963 (object_block): Name structure.
12964 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12965 (default_use_anchors_for_symbol_p): Declare.
12966 * Makefile.in (RTL_BASE_H): Add vec.h.
12967 (explow.o): Depend on output.h.
12968 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12969 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12970 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12971 (rs6000_use_blocks_for_constant_p): New function.
12973 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12975 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12977 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12980 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12983 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12985 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12989 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12991 PR middle-end/26334
12992 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12993 instead of DECL_REGISTER.
12995 2006-02-18 Olivier Hainque <hainque@adacore.com>
12998 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13000 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13003 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13004 * opth-gen.awk: Handle Var and InverseMask together.
13005 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13006 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13007 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13008 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13010 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13011 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13012 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13013 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13014 LINUX_DYNAMIC_LINKER): Define.
13015 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13016 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13018 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13019 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13020 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13021 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13022 (TARGET_C99_FUNCTIONS): Don't define.
13023 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13024 GLIBC_DYNAMIC_LINKER.
13025 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13026 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13027 GLIBC_DYNAMIC_LINKER64): Define.
13028 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13029 LINUX_DYNAMIC_LINKER64.
13030 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13031 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13032 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13033 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13034 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13035 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13036 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13037 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13038 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13039 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13040 and LINUX_DYNAMIC_LINKER32.
13041 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13042 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13043 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13044 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13045 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13047 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13048 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13049 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13050 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13051 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13052 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13053 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13054 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13055 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13056 LINUX_DYNAMIC_LINKER): Define.
13057 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13058 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13059 GLIBC_DYNAMIC_LINKER64): Define.
13060 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13061 LINUX_DYNAMIC_LINKER64.
13062 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13063 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13064 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13065 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13066 LINUX_DYNAMIC_LINKER): Define.
13067 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13068 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13069 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13070 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13071 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13072 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13073 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13074 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13075 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13076 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13077 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13078 * doc/invoke.texi (-muclibc): Remove caveat about supported
13081 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13083 * doc/cpp.texi (__TIMESTAMP__): Document.
13085 2006-02-17 Roger Sayle <roger@eyesopen.com>
13087 PR middle-end/25600
13088 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13089 C is one less than the width of X (and related transformations).
13090 * simplify-rtx.c (simplify_unary_operation_1): Transform
13091 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13092 depending on STORE_FLAG_VALUE, were C is one less then the
13095 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13097 Fix PR tree-optimization/26341
13098 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13099 about NAME_MEMORY_TAG's.
13101 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13104 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13105 with hardware float support, and software float support. Add fcpy
13106 alternative to hardware patterns. Add alternatives to copy between
13107 general and floating-point registers to the 32-bit pattern.
13108 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13109 secondary reload to load a QI or HI mode constant into a floating
13111 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13112 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13114 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13117 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13119 (load_macho_picbase_di): Likewise.
13121 2006-02-16 Jeff Law <law@redhat.com>
13123 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13124 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13125 (ssa_name_nonzero_p): Likewise.
13126 (get_value_range): Return NULL if VRP is not running.
13127 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13128 VRP routines do not discover a range.
13129 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13130 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13131 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13132 (tree_expr_nonnegative_p): Similarly.
13133 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13134 (restore_nonzero_vars_to_original_value): Remove.
13135 (unsafe_associative_fp_binop): Remove.
13136 (tree_ssa_dominator_optimize): Remove initialization and
13137 finalization of nonzero_vars and nonzero_vars_stack.
13138 (dom_opt_initialize_block): No longer push marker on
13139 nonzero_vars_stack.
13140 (dom_opt_finalize_block): No longer call
13141 restore_nonzero_vars_to_original_value.
13142 (record_equivalences_from_phis): No longer look for
13143 nonzero PHI arguments.
13144 (cprop_into_successor_phis): No longer propagate nonzero
13145 property into PHI arguments. Lose unused argument. Caller
13147 (record_equivalences_from_stmt): No longer record nonzero
13148 values for SSA_NAMEs.
13149 (lookup_avail_expr): No longer use nonzero_vars.
13151 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13152 for sizetype when sizetype is unsigned.
13154 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13156 PR rtl-optimization/25603
13157 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13158 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13159 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13160 with new meaning of SETS.
13162 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13167 * config/linux.opt: New file.
13168 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13169 LINUX_DYNAMIC_LINKER): Define.
13170 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13171 * config.gcc (*-*-linux*): Define extra_options.
13172 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13173 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13174 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13175 GLIBC_DYNAMIC_LINKER.
13176 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13177 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13178 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13179 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13180 * doc/invoke.texi (GNU/Linux Options): New section.
13182 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13184 * config/sparc/sparc.md (setjmp): Rewrite.
13185 (setjmp_32): Delete.
13186 (setjmp_64): Likewise.
13188 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13190 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13193 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13195 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13198 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13200 PR rtl-optimization/26296
13201 * Makefile.in (loop-invariant.c): Add except.h dependency.
13202 * loop-invariant.c: Include except.h.
13203 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13205 2005-02-16 Paul Brook <paul@codesourcery.com>
13207 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13210 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13212 PR rtl-optimization/25636
13213 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13214 when deciding whether an insn is an initializing insn.
13216 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13218 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13219 (tree_code_size): Ditto.
13220 * tree.h (struct tree_memory_tag): Remove parent_var.
13221 (struct tree_struct_field_tag): New.
13224 (union tree_node): Add sft member.
13225 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13227 (create_sft): Add size and offset argument, set SFT_OFFSET and
13229 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13230 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13231 * tree-flow-inline.h (get_subvar_at): Update for
13232 SFT_OFFSET/SFT_SIZE.
13233 (var_can_have_subvars): Ditto.
13234 (overlap_subvar): Ditto.
13235 * print-tree.c (print_node): Print out interesting things for
13237 * tree-flow.h (struct subvar): Remove offset and size members.
13238 * tree-ssa-operands.c (get_expr_operands): Update for
13239 get_indirect_ref_operands changes.
13240 (get_indirect_ref_operands): Call add_virtual_operand instead of
13241 add_stmt_operand. Only recurse on base var if requested.
13242 (access_can_touch_variable): New function.
13243 (add_stmt_operand): Split virtual operand handling into ...
13244 (add_virtual_operand): Here. Add offset, size, and for_clobber
13245 arguments. Prune alias sets.
13246 (add_call_clobber_ops): Call add_virtual_operand.
13248 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13250 PR middle-end/26300
13251 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13253 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13254 than TREE_CODE as index into omp_clause_num_ops array.
13256 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13258 PR rtl-optimization/26184
13259 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13261 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13262 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13263 must_precede, must_follow and tobe_scheduled.
13266 * opts.c (common_handle_option): Free new_option pointer.
13267 * df-core.c (df_analyze): Free postorder pointer.
13269 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13271 * Makefile.in: Fix the examples about the use of stamps
13273 2006-02-15 Michael Matz <matz@suse.de>
13275 PR middle-end/22275
13277 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13278 influenced by maximum_field_alignment or DECL_PACKED.
13279 (update_alignment_for_field): Ditto.
13280 (place_field): Ditto.
13281 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13284 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13286 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13287 (debug_flow_info): Pass it.
13288 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13289 * bb-reorder.c (reorder_basic_blocks): Likewise.
13290 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13291 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13292 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13293 * gcse.c (gcse_main, bypass_jumps): Likewise.
13294 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13295 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13296 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13297 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13298 * rtl.h (dump_flow_info): Adjust prototype.
13299 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13300 * var-tracking.c (variable_tracking_main): Likewise.
13301 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13302 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13305 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13307 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13310 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13312 PR tree-optimization/26209
13313 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13314 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13316 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13318 2006-02-14 Roger Sayle <roger@eyesopen.com>
13320 PR middle-end/23670
13321 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13322 (X,Y) and the corresponding symmetry related transformations.
13323 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13324 (X,Y) and its symmetry related transformations.
13326 2006-02-14 Roger Sayle <roger@eyesopen.com>
13328 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13331 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13333 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13335 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13338 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13339 support COMDAT group.
13340 * configure: Regenerate.
13342 2006-02-14 Roger Sayle <roger@eyesopen.com>
13344 PR middle-end/26279
13345 PR middle-end/26280
13346 PR middle-end/26283
13347 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13349 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13351 Fix PR tree-optimization/26260
13353 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13355 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13356 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13357 * tree-ssa-structalias.c (create_variable_info_for): Use
13358 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13360 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13362 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13364 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13365 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13366 of the ending condition.
13367 * tree-ssa-loop-manip.c: Include params.h.
13368 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13369 tree_unroll_loop): New functions.
13370 * tree-pass.h (pass_loop_prefetch): Declare.
13371 * loop.c (rest_of_handle_loop_optimize): Test for
13372 -fprefetch-loop-arrays-rtl.
13373 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13374 * timevar.def (TV_TREE_PREFETCH): New timevar.
13375 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13376 pass_loop_prefetch): New.
13377 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13378 (cleanup_tree_cfg_loop): Call scev_reset.
13379 * common.opt (fprefetch-loop-arrays-rtl): Add.
13380 * tree-ssa-loop-prefetch.c: New file.
13381 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13382 (new_temp_expr_table): Initialize expr_vars.
13383 (free_temp_expr_table): Cleanup expr_vars.
13384 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13385 expressions from being merged into one.
13386 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13387 (struct tree_niter_desc): Add control, bound and cmp fields.
13388 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13390 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13391 (tree-cfgcleanup.o): Add SCEV_H dependency.
13392 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13393 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13395 2006-02-14 Richard Guenther <rguenther@suse.de>
13397 PR tree-optimization/26258
13398 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13399 in PHI argument processing.
13401 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13403 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13404 new expression in the requested machine mode.
13406 2006-02-13 Roger Sayle <roger@eyesopen.com>
13408 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13409 directly, instead let do_compare_rtx_and_jump handle this for us.
13410 * expr.c (expand_expr_real_1): Likewise.
13411 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13412 before do_jump_by_parts_greater.
13413 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13414 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13416 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13418 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13420 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13422 PR rtl-optimization/26235
13423 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13424 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13427 2006-02-13 Jeff Law <law@redhat.com>
13429 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13432 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13434 PR middle-end/26092
13435 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13436 twice if decl is a builtin. When trying again, call get_callee_fndecl
13437 first to verify it is still a builtin.
13439 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13441 * dwarf2out.c (base_type_die): Don't add AT_name here.
13442 (subrange_type_die): Don't add AT_name here.
13443 (modified_type_die): Rearrange code flow. Do add AT_name here.
13445 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13447 PR rtl-optimization/26247
13448 PR rtl-optimization/26248
13449 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13451 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13453 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13454 * config/fixtfdi.c: Likewise.
13455 * config/fixunstfdi.c: Likewise.
13456 * config/floatditf.c: Likewise.
13458 2006-02-13 Roger Sayle <roger@eyesopen.com>
13460 PR middle-end/24427
13461 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13462 into (X,C2) if C1 is a subset of the bits of C2. Transform
13463 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13465 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13467 2006-02-13 Josh Conner <jconner@apple.com>
13470 * varasm.c (function_section): Check for section name before
13471 calling select_section on targets that define
13472 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13473 unlikely_text_section instead of hot_function_section if
13474 first_function_block_is_cold.
13476 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13478 PR middle-end/25335
13479 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13481 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13483 PR rtl-optimization/26222
13484 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13485 after tree->rtl expansion.
13486 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13487 before passing it to emit_move_insn.
13489 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13491 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13493 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13494 Clarify documentation.
13495 * c-common.h (warn_write_strings): Remove.
13496 * c-common.c (warn_write_strings): Likewise.
13497 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13500 2006-02-12 Roger Sayle <roger@eyesopen.com>
13502 PR middle-end/25724
13503 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13504 (do_jump_parts_zero_rtx): New function renamed from
13505 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13506 (do_jump_parts_equality_rtx): New function split out from
13507 do_jump_parts_equality. Old implementation renamed as above.
13508 Call do_jump_parts_zero_rtx if either operand is zero.
13509 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13510 do all of the heavy lifting.
13511 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13512 calling either do_jump_by_parts_greater_rtx or
13513 do_jump_by_parts_equality_rtx.
13514 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13515 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13516 moved to do_compare_rtx_and_jump, call it directly.
13517 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13518 mode argument. Call do_compare_rtx_and_jump.
13519 (emit_case_nodes): Update calls to do_jump_if_equal.
13521 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13523 PR rtl-optimization/26225
13524 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13526 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13528 PR rtl-optimization/26232
13529 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13531 2006-02-11 Jason Merrill <jason@redhat.com>
13534 * tree-inline.c (declare_return_variable): Just don't use the
13535 modify target if it's a gimple complex reg and the return slot
13538 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13540 * doc/contrib.texi: Update my entry.
13542 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13544 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13546 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13548 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13551 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13553 * doc/invoke.texi (-floop-optimize2): Removed.
13554 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13555 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13556 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13557 * common.opt (floop-optimize2): Removed.
13558 (fmove-loop-invariants): Enabled by default.
13560 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13562 * tree-if-conv.c (combine_blocks): Free the result of
13563 get_loop_exit_edges.
13565 2006-02-10 Jeff Law <law@redhat.com>
13567 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13569 PR tree-optimization/26213
13570 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13571 loop trying to follow SSA_NAME_VALUE chains.
13573 2006-02-10 Richard Guenther <rguenther@suse.de>
13575 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13576 deal with structures that end in implicitly variable sized arrays.
13578 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13580 PR rtl-optimization/24762
13581 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13584 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13586 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13587 (struct ivopts_data): Add regs_used field.
13588 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13589 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13590 instead of loop_data->regs_used;
13591 (free_loop_data): Do not free aux fields for loops.
13592 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13593 and tree_ssa_iv_optimize_finalize.
13595 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13597 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13599 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13602 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13603 computing the effective result type.
13605 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13607 PR inline-asm/16194
13608 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13609 (tree_overlaps_hard_reg_set): Declare.
13610 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13611 type and signature to match function type expected by walk_tree.
13612 (tree_overlaps_hard_reg_set): New function.
13613 (decl_conflicts_with_clobbers_p): Rename to:
13614 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13615 Use tree_overlaps_hard_reg_set. Changed caller.
13616 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13617 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13618 * cris.c (cris_md_asm_clobbers): Likewise.
13620 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13622 * reload1.c (emit_input_reload_insns): Delete code that tries to
13623 inherit using find_equiv_reg.
13625 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13627 * c-common.h (flag_const_strings): Don't declare.
13628 * c-common.c (flag_const_strings): Remove.
13629 * c.opt (fconst_strings): Remove.
13630 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13631 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13632 (c_common_init_options): Don't set flag_const_strings.
13633 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13635 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13637 * arm.md (tlobits_cbranch): New pattern.
13638 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13639 testing a single bit.
13641 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13644 * tree-ssa-pre.c (create_component_ref_by_pieces):
13645 Handle RETURN_DECL like VAR_DECL.
13647 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13649 PR middle-end/26134
13650 * fold-const.c (fold_indirect_ref_1): Fold
13651 "*(foo *)&complexfoo" to "__real__ complexfoo"
13652 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13654 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13656 * tree-flow-inline.h (var_can_have_subvars):
13657 Volatile variables should not have subvariables.
13659 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13662 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13663 multiplying unsigned values.
13666 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13668 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13670 2006-02-08 Jason Merrill <jason@redhat.com>
13673 * tree.def: Elaborate on difference from MODIFY_EXPR.
13674 * doc/c-tree.texi (INIT_EXPR): Likewise.
13675 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13676 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13677 (gimplify_target_expr): Likewise.
13678 (gimplify_cond_expr): Remove target handling.
13679 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13680 (gimplify_expr): Clobber it here.
13681 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13682 Do return slot optimization if we have an INIT_EXPR.
13685 * tree-inline.c (declare_return_variable): Also clear
13686 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13689 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13691 PR middle-end/22439
13692 * gimplify.c (gimplify_one_sizepos): Fix typo.
13694 2006-02-08 Jeff Law <law@redhat.com>
13696 PR tree-optimization/21417
13697 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13698 across a backedge if the control statement at the end of the
13699 block is data dependent on other statements in the same block.
13700 (record_temporary_equivalences_from_stmts): Remove over-conservative
13701 test for threading across backedges.
13703 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13704 control statement, handle all three special cases in the same
13705 manner as they all have the same desired solution. No longer
13706 special case edge flag updating when the post dominator is
13709 2006-02-08 Roger Sayle <roger@eyesopen.com>
13711 * tree.def (CHAR_TYPE): Remove.
13712 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13713 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13714 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13715 (gen_string_type_die): Delete unreachable function.
13717 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13718 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13719 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13720 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13721 * builtins.c (type_to_class): Likewise.
13722 * fold-const.c (fold_convert, build_range_check,
13723 merge_ranges): Likewise.
13724 * expr.c (count_type_elements): Likewise.
13725 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13726 * stor-layout.c (layout_type): Likewise.
13727 * ipa-type-escape.c (type_to_consider): Likewise.
13728 * gimplify.c (omp_firstprivatize_type_sizes,
13729 gimplify_type_sizes): Likewise.
13730 * explow.c (promote_mode): Likewise.
13731 * tree-sra.c (is_sra_scalar_type): Likewise.
13732 * varasm.c (output_constant): Likewise.
13733 * tree-inline.c (remap_type_1): Likewise.
13734 * convert.c (convert_to_pointer, convert_to_real,
13735 convert_to_integer, convert_to_complex): Likewise.
13737 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13739 * df-scan.c (df_def_record_1): A set destination may
13740 be a parallel regardless of mode.
13742 2006-02-08 Roger Sayle <roger@eyesopen.com>
13745 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13746 * config/mips/_tilib.c: Remove.
13747 * config/fixtfdi.c: New libgcc source file.
13748 * config/fixunstfdi.c: New source file.
13749 * config/floatditf.c: New source file.
13750 * config/floatunditf.c: New souce file.
13751 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13752 files above instead of config/mips/_tilib.c.
13753 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13755 2006-02-08 Jeff Law <law@redhat.com>
13757 PR tree-optimization/26169
13758 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13761 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13763 * df.h (DF_REG_SIZE): Return the length of the initialized
13766 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13768 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13769 __muldf3): Return a correctly signed zero.
13771 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13773 * passes.c (register_one_dump_file): Accept the current properties
13774 instead of pass number. Adjust call to dump_register. Remove
13776 (register_dump_files): Now a wrapper around...
13777 (register_dump_files_1): ... this one. Do not modify the pass
13779 (next_pass_1): Cosmetic fix.
13780 (execute_todo): Keep second parameter only. Use curr_properties
13781 instead of fetching it from the pass structure. Check and set
13783 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13784 instead of fetching it from the pass structure. Fix calls to
13785 execute_todo. Update curr_properties and initialize .vcg RTL dump
13786 after running the pass. Reset last_verified.
13787 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13789 (FIRST_AUTO_NUMBERED_DUMP): New.
13790 (dump_register): Remove "num" parameter, assign it within the
13792 (get_dump_file_name): Modify template for dumps.
13793 * tree-dump.h (dump_register): Adjust prototype.
13794 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13795 (PROP_trees): Add PROP_gimple_lomp.
13796 (TODO_set_props): New.
13797 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13798 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13799 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13801 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13803 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13804 (sparc64-*-linux*): Likewise.
13805 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13806 * config/sparc/t-linux: New file.
13807 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13808 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13809 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13810 -m32 -mlong-double-128.
13812 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13813 * config/alpha/t-linux: New file.
13814 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13816 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13817 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13818 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13819 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13820 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13821 (CPP_ARCH32_SPEC): Remove.
13823 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13825 PR tree-optimization/26145
13826 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13829 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13832 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13833 >= 240000 when generating code for SOM runtime.
13834 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13835 to $$dyncall when generating code for SOM runtime..
13837 2006-02-07 Dirk Mueller <dmueller@suse.com>
13840 * doc/invoke.texi (-Wsequence-point): Update documentation
13841 that -Wsequence-point is implemented for C++ as well.
13843 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13845 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13846 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13847 (LIB_SPEC): Likewise.
13848 * doc/invoke.texi (SPARC options): Document -pthread.
13850 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13852 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13855 2006-02-07 Roger Sayle <roger@eyesopen.com>
13857 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13858 Correct comment describing BOOLEAN_TYPE.
13860 2006-02-07 Dirk Mueller <dmueller@suse.com>
13862 * c.opt: C++ frontend supports -Wdiv-by-zero.
13863 * c-opts.c (c_common_handle_option): Remove dead case.
13865 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13867 * configure.ac (TLS assembler check): Do not enable TLS by
13868 default on SPARC/Solaris before version 10.
13869 * configure: Regenerate.
13871 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13873 * doc/invoke.texi (xl-compat): Document conversion and support
13876 2006-02-07 Jeff Law <law@redhat.com>
13878 * tree-vrp.c (find_conditional_asserts): Update comments.
13879 (simplify_stmt_for_jump_threading): New.
13880 (identify_jump_threads, finalize_jump_threads): New.
13881 (vrp_finalize): Call identify_jump_threads.
13882 (execute_vrp): Call finalize_jump_threads.
13883 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13884 (vrp_element, vrp_data, vrp_element_p): Remove.
13885 (vrp_hash_elt, vrp_variables_stack): Remove.
13886 (vrp_hash, vrp_eq, record_range): Remove.
13887 (simplify_cond_and_lookup_avail_expr): Remove.
13888 (extract_range_from_cond): Remove.
13889 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13890 (simplify_stmt_for_jump_threading): New.
13891 (dom_thread_across_edge): New wrapper.
13892 (tree_ssa_dominator_optimize): No longer initialize or
13893 finalize any of the VRP datastructures. Remove iteration
13894 step and simplify as a result of removal of iteration step.
13895 (pass_dominator): Perform a cfg cleanup after DOM.
13896 (dom_opt_finalize_block): Use the new common routines
13897 for threading jumps. Simplify stack management slightly.
13898 No longer need to unwind VRP state.
13899 (record_equivalences_from_incoming_edge): No longer record
13901 (eliminate_redundant_computations): No longer call
13902 simplify_cond_and_lookup_avail_expr.
13903 * tree-flow.h (potentially_threadable_block): Prototype.
13904 (thread_across_edge): Likewise.
13905 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13906 (tree-ssa-threadedge.o): Add dependencies.
13907 * tree-ssa-threadedge.c: New file.
13908 * passes.c (init_optimization_passes): Merge PHIs before
13909 calling VRP. Run VRP again late in the SSA optimization pipeline.
13911 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13913 * df-core.c (df_set_blocks): Do not dereference function pointers.
13914 (df_finish1): Likewise.
13915 (df_hybrid_search_forward): Likewise.
13916 (df_hybrid_search_backward): Likewise.
13917 (df_iterative_dataflow): Likewise.
13918 (df_analyze_problem): Likewise.
13919 (df_compact_blocks): Likewise.
13920 (df_dump): Likewise.
13921 * df-scan.c (df_rescan_blocks): Likewise.
13922 (df_record_entry_block_defs): Likewise.
13924 * genconditions.c (write_conditions): Guard the definition of
13925 'insn_conditions' with the check on GCC version.
13926 (write_writer): Guard the traversal 'insn_conditions' with
13927 the check on GCC version.
13929 2006-02-07 Richard Guenther <rguenther@suse.de>
13933 2006-01-30 Richard Guenther <rguenther@suse.de>
13935 * gimplify.c (gimplify_target_expr): Handle easy cases
13936 without creating a temporary.
13938 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13940 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13941 use of float in probability computations. Use edge probabilities
13942 in place of statically computed probabilities.
13943 (min_spec_prob): New static variable.
13944 (schedule_insns): Initialize it.
13945 (GET_SRC_PROB): Removed.
13946 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13948 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13951 * config/ia64/unwind-ia64.c: Revert last change.
13952 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13953 (INCOMING_FRAME_SP_OFFSET): Define.
13955 2006-02-06 Roger Sayle <roger@eyesopen.com>
13957 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13959 2006-02-07 Ben Elliston <bje@au.ibm.com>
13961 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13962 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13963 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13964 (ix86_return_in_memory): Handle TDmode.
13965 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13966 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13968 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13970 * reorg.c (dbr_schedule): Use dump_file instead of file.
13972 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13975 * config/ia64/predicates.md (extr_len_operand): New predicate.
13976 * config/ia64/ia64.md (extv): Tighten constraints.
13978 (*tbit_and_2): Ditto.
13979 (*tbit_and_3): Ditto.
13980 (*tbit_or_2): Ditto.
13981 (*tbit_or_3): Ditto.
13982 (*bit_zero): Ditto.
13985 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13988 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13990 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13992 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13993 loop_optimizer_init and loop_optimizer_finalize
13994 * tree-ssa-sink.c (execute_sink_code): Ditto.
13995 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13996 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13997 tree_ssa_loop_done): Ditto.
13998 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13999 * sched-ebb.c: Include output.h.
14000 (schedule_ebbs): Do not use dump argument.
14001 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14002 * loop.c (loop_dump_stream): Removed.
14003 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14005 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14006 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14007 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14008 loop_iterations, strength_reduce, record_biv, record_giv,
14009 final_giv_value, check_final_value, check_ext_dependent_givs,
14010 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14011 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14012 dump_file instead of loop_dump_stream.
14013 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14014 argument dump_file.
14015 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14017 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14018 * haifa-sched.c: Include output.h
14019 (schedule_insns, sched_init): Do not use dump argument.
14020 * mode-switching.c (optimize_mode_switching): Ditto.
14021 * modulo-sched.c (stats_file): Removed.
14022 (print_node_sched_params): Do not call argument dump_file.
14023 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14024 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14026 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14028 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14029 rtl_loop_init, rtl_loop_done): Ditto.
14030 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14031 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14033 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14034 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14035 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14036 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14037 * emit-rtl.c (renumber_insns): Ditto.
14038 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14039 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14040 * regclass.c (regclass): Ditto.
14041 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14042 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14043 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14044 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14046 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14047 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14049 * gcse.c (gcse_file, debug_stderr): Removed.
14050 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14051 rest_of_handle_gcse): Do not use dump argument.
14052 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14053 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14054 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14055 compute_code_hoist_vbeinout, compute_code_hoist_data,
14056 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14057 compute_store_table, build_store_vectors, insert_insn_start_bb,
14058 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14059 store_motion): Use dump_file instead of gcse_file.
14060 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14061 * profile.c (profile_dump_file): Removed.
14062 (branch_prob): Use dump_file instead of profile_dump_file.
14063 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14065 * tree-ssa-copy.c (dump_copy_of): Ditto.
14066 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14067 dump file to life_analysis.
14068 * bt-load.c (branch_target_load_optimize): Ditto.
14069 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14071 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14072 regclass, dbr_schedule): Declaration changed.
14073 * sched-int.h (sched_init): Declaration changed.
14074 * tree-profile.c (tree_profile_dump_file): Removed.
14075 (tree_profile_hooks): Removed profile_dump_file hook.
14076 * rtl-profile (rtl_profile_dump_file): Removed.
14077 (rtl_profile_hooks): emoved profile_dump_file hook.
14078 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14080 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14081 * tree-cfg.c (build_tree_cfg): Ditto.
14082 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14083 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14084 Declaration changed.
14085 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14086 life_analysis and schedule_insns.
14087 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14089 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14091 * config/mips/mips.c (mips_reorg): Ditto.
14092 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14095 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14097 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14098 (s390_mangle_fundamental_type): New.
14099 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14102 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14103 (alpha_mangle_fundamental_type): New.
14104 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14107 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14109 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14111 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14112 (sparc_mangle_fundamental_type): New.
14114 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14116 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14117 (s390x-*-linux*): Likewise.
14118 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14119 * config/s390/t-linux: New file.
14121 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14123 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14124 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14126 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14128 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14129 (ANTIC_SAFE_LOADS): New macro.
14130 (find_or_generate_expression): Add prototype.
14131 (set_contains_value): Allow null set for sake of not always having
14132 to allocate ANTIC_SAFE_LOADS.
14133 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14134 Allow COMPONENT_REF too.
14135 (valid_in_set): Allow COMPONENT_REF.
14136 Check ANTIC_SAFE_LOADS too.
14137 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14138 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14140 (can_PRE_operation): Add COMPONENT_REF.
14141 (create_component_ref_by_pieces): New function.
14142 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14143 (insert_aux): Move AGGREGATE_TYPE_P check here.
14144 (compute_avail): Set bb local stmt uids.
14145 (pass_pre): Use TODO_update_ssa_only_virtuals.
14147 2006-02-06 Ben Elliston <bje@au.ibm.com>
14149 * configure.ac: Unconditionally disable decimal float by default.
14150 * configure: Regenerate.
14152 2006-02-06 Ben Elliston <bje@au.ibm.com>
14154 * read-rtl.c (read_name): Terminate reading on EOF.
14156 2006-02-06 Ben Elliston <bje@au.ibm.com>
14158 * dfp.c (decimal_real_arithmetic): Change second argument type
14159 from int to enum tree_code. Do not always return true, but now
14160 return result of any call to decimal_do helper functions.
14161 * dfp.h (decimal_real_arithmetic): Update prototype.
14163 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14165 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14167 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14170 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14173 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14175 * tree-vrp.c (cfg_loops): Removed.
14176 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14177 Use current_loops instead of cfg_loops. Pass flags to
14178 loop_optimizer_init.
14179 * cfgloopmanip.c (fix_loop_structure): Update only available
14181 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14182 loop_optimizer_init.
14183 * modulo-sched.c (build_loops_structure): Removed.
14184 (sms_schedule): Use loop_optimizer_init.
14185 * loop-init.c (loop_optimizer_init): Use flags to determine
14186 which properties of loops to prepare.
14187 (rtl_loop_init): Pass flags to loop_optimizer_init.
14188 * tree-ssa-sink.c (execute_sink_code): Ditto.
14189 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14190 * tree-ssa-pre.c (init_pre): Ditto.
14191 * cfgloop.h (LOOPS_NORMAL): New.
14192 (loop_optimizer_init): Declaration changed.
14194 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14196 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14197 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14199 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14201 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14203 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14204 * pa/t-pa64: Delete quadlib.c rule.
14205 * pa/x-ada: Revert last change.
14206 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14208 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14210 PR rtl-optimization/26087
14211 * rtlanal.c (canonicalize_condition): Do not cross basic block
14214 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14217 * config/ia64/ia64.c: Include debug.h.
14218 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14219 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14220 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14221 (process_epilogue, process_set, process_for_unwind_directive):
14222 Output unwind info only if requested. Add CFA info if requested.
14223 Add new arguments as needed. Adjust callers.
14224 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14226 (DWARF2_FRAME_INFO): Define to zero.
14227 * config/ia64/unwind-ia64.c: Remove code that compensated for
14228 the CFA offset error fixed above.
14229 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14230 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14231 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14232 -funwind-tables and -fexceptions to enable frame info.
14233 (dwarf2out_frame_init): Define initial CFA even if
14234 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14235 DWARF2_UNWIND_INFO is nonzero, not just defined.
14236 (dwarf2out_frame_finish): Output non-EH call frame info only
14237 if DWARF2_FRAME_INFO is nonzero.
14238 (convert_cfa_to_loc_list,
14239 compute_frame_pointer_to_cfa_displacement): Define even if
14240 unwind info is not supported.
14241 (gen_subprogram_die): Use the above unconditionally. Remove
14242 legacy alternate code.
14243 * toplev.c (compile_file): Compile in call to
14244 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14245 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14247 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14248 Jakub Jelinek <jakub@redhat.com>
14250 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14251 IBM extended float format long double as "g" on powerpc*-linux.
14253 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14256 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14257 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14259 2006-02-03 Jason Merrill <jason@redhat.com>
14262 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14264 PR middle-end/25977
14265 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14266 on the return slot if it's an NRV.
14268 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14270 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14271 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14272 rewrite_use): Do not handle USE_OUTER.
14273 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14274 add_iv_outer_candidates, may_replace_final_value,
14275 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14276 (find_interesting_uses_op): Functionality of
14277 find_interesting_uses_outer_or_nonlin moved here.
14278 (find_interesting_uses_outside): Use find_interesting_uses_op.
14280 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14283 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14285 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14286 Ulrich Weigand <uweigand@de.ibm.com>
14289 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14290 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14291 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14292 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14294 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14295 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14296 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14297 Define secondary reloads for TFmode moves.
14298 (constant_modes): Add TFmode.
14299 (NR_C_MODES): Set to 8.
14300 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14302 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14303 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14304 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14305 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14306 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14307 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14308 (FPR mode macro): Add TFmode.
14309 (DSF mode macro): New.
14310 (<de>, <dee> mode attributes): Removed.
14311 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14312 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14313 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14314 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14315 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14316 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14317 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14318 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14319 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14320 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14321 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14322 "*negabs<mode>2", "sqrt<mode>2"):
14323 Changed <de> to <xde>. R constraint replaced by <Rf>.
14324 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14326 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14327 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14328 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14330 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14331 "extenddftf2", "extendsftf2"): New expanders.
14332 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14333 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14334 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14335 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14337 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14338 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14339 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14340 __floatditf): Add a GCC_4.1.0 symbol version tag.
14341 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14344 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14347 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14348 Use targetm.binds_local_p instead of TREE_PUBLIC.
14350 2006-02-02 Roger Sayle <roger@eyesopen.com>
14352 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14353 on INTEGER_TYPEs to indicate that it denotes a character type.
14354 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14355 signed_char_type_node, unsigned_char_type_node and char_type_node.
14356 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14357 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14358 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14360 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14361 Daniel Berlin <dberlin@dberlin.org>
14363 * tree-tailcall.c (arg_needs_copy_p): New function.
14364 (eliminate_tail_call): Use arg_needs_copy_p.
14365 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14366 (add_virtual_phis): New function.
14368 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14370 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14371 #ignore instead of #scratch for %g7 .register directive.
14373 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14375 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14378 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14380 * flow.c (calculate_global_regs_live): Assert that there aren't any
14383 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14385 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14386 what its name says.
14387 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14388 bsi_after_labels iterator.
14389 * tree-if-conv.c (find_phi_replacement_condition,
14390 replace_phi_with_cond_modify_expr): Likewise.
14391 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14392 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14394 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14396 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14398 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14401 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14402 array after growing it.
14404 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14406 PR middle-end/24901
14407 * fold-const.c (fold_checksum_tree): Change type of buf.
14409 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14411 * reload.c (push_secondary_reload): Initialize t_icode.
14413 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14415 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14416 -msoft-float -mlong-double-128 only issue a warning, but don't
14417 swich to DFmode long double.
14419 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14421 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14422 has a constant equivalent, iterate over equivalents for arg0,
14423 calling simplify_relational_operation and if there's a result
14424 cheaper than X, apply fold_rtx and return the result.
14426 2006-02-01 Jan Hubicka <jh@suse.cz>
14428 * opts.c (no_unit_at_a_time_default): New global variable.
14429 (decode_options): Use it.
14430 * opts.h (no_unit_at_a_time_default): Declare.
14432 2006-02-01 Paul Brook <paul@codesourcery.com>
14434 * function.c (assign_parm_setup_reg): Use function argument promotion
14436 * expr.c (expand_expr_real_1): Use function argument promotion rules
14439 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14441 * gcc.c (process_command): Change j to 'unsigned int'.
14443 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14445 PR middle-end/26001
14446 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14447 Use the corrected index for the character
14448 out of the string constant.
14450 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14452 * mode-switching.c (optimize_mode_switching): Fix size
14453 allocated for bb_info[n_entities].
14455 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14457 * gcc.c (main): Correct type that is allocated for
14458 explicit_link_files.
14460 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14462 * config/s390/s390.c (init_alignment_context): Set
14463 ALIAS_SET_MEMORY_BARRIER on the MEM.
14464 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14466 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14468 PR middle-end/25933
14469 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14471 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14474 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14476 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14477 * regrename.c: Ditto.
14478 * tree-ssa-loop-im.c: Ditto.
14479 * tree-dump.c: Ditto.
14480 * tree-complex.c: Ditto.
14481 * genrecog.c: Ditto.
14482 * tree-ssa-threadupdate.c: Ditto.
14484 * java/class.c: Ditto.
14485 * java/jcf-parse.c: Ditto.
14486 * java/resource.c: Ditto.
14487 * java/except.c: Ditto.
14488 * java/jvspec.c: Ditto.
14489 * java/jcf-write.c: Ditto.
14490 * java/jcf-path.c: Ditto.
14491 * java/gjavah.c: Ditto.
14492 * java/zextract.c: Ditto.
14493 * java/jcf-io.c: Ditto.
14494 * java/jcf.h: Ditto.
14495 * java/buffer.c: Ditto.
14496 * java/lang.c: Ditto.
14497 * java/parse-scan.y: Ditto.
14498 * java/lex.c: Ditto.
14499 * java/lex.h: Ditto.
14500 * cfgloopmanip.c: Ditto.
14501 * postreload-gcse.c: Ditto.
14502 * tree-ssa-loop-manip.c: Ditto.
14503 * postreload.c: Ditto.
14504 * tree-ssa-loop-ch.c: Ditto.
14507 * cppspec.c: Ditto.
14508 * diagnostic.c: Ditto.
14510 * genoutput.c: Ditto.
14512 * cfghooks.c: Ditto.
14513 * cfgloopanal.c: Ditto.
14514 * objc/objc-act.c: Ditto.
14516 * genextract.c: Ditto.
14517 * genautomata.c: Ditto.
14518 * pretty-print.c: Ditto.
14519 * genemit.c: Ditto.
14520 * cgraphunit.c: Ditto.
14522 * df-scan.c: Ditto.
14523 * haifa-sched.c: Ditto.
14524 * dominance.c: Ditto.
14526 * tree-ssa-loop-ivopts.c: Ditto.
14527 * df-core.c: Ditto.
14528 * mode-switching.c: Ditto.
14529 * modulo-sched.c: Ditto.
14531 * ipa-pure-const.c: Ditto.
14533 * fix-header.c: Ditto.
14535 * tree-stdarg.c: Ditto.
14536 * ipa-utils.c: Ditto.
14537 * loop-init.c: Ditto.
14538 * ipa-inline.c: Ditto.
14539 * cfganal.c: Ditto.
14541 * alloc-pool.c: Ditto.
14542 * dwarf2out.c: Ditto.
14544 * genattrtab.c: Ditto.
14545 * tree-ssa-loop-ivcanon.c: Ditto.
14546 * predict.c: Ditto.
14547 * timevar.c: Ditto.
14549 * fortran/gfortranspec.c: Ditto.
14550 * regmove.c: Ditto.
14551 * local-alloc.c: Ditto.
14552 * langhooks.c: Ditto.
14553 * function.c: Ditto.
14554 * tree-vectorizer.c: Ditto.
14556 * ipa-type-escape.c: Ditto.
14558 * tree-if-conv.c: Ditto.
14559 * profile.c: Ditto.
14561 * tree-data-ref.c: Ditto.
14562 * loop-unroll.c: Ditto.
14563 * treelang/treetree.c: Ditto.
14565 * bt-load.c: Ditto.
14566 * ggc-common.c: Ditto.
14568 * coverage.c: Ditto.
14570 * tree-cfgcleanup.c: Ditto.
14571 * tree-ssa-pre.c: Ditto.
14572 * cfgcleanup.c: Ditto.
14573 * loop-invariant.c: Ditto.
14574 * loop-iv.c: Ditto.
14575 * ipa-prop.c: Ditto.
14576 * print-tree.c: Ditto.
14577 * conflict.c: Ditto.
14578 * ggc-page.c: Ditto.
14579 * sched-deps.c: Ditto.
14580 * regclass.c: Ditto.
14581 * tree-object-size.c: Ditto.
14582 * combine.c: Ditto.
14583 * bb-reorder.c: Ditto.
14584 * resource.c: Ditto.
14585 * var-tracking.c: Ditto.
14586 * cfgloop.c: Ditto.
14587 * df-problems.c: Ditto.
14588 * reg-stack.c: Ditto.
14590 * gccspec.c: Ditto.
14591 * sched-rgn.c: Ditto.
14592 * tree-ssa-structalias.c: Ditto.
14593 * tree-ssa-reassoc.c: Ditto.
14594 * config/darwin-c.c: Ditto.
14595 * config/darwin.c: Ditto.
14596 * config/arm/arm.c: Ditto.
14598 * collect2.c: Ditto.
14599 * reload1.c: Ditto.
14601 2006-01-31 Nicolas Pitre <nico@cam.org>
14603 * arm.md (smaxsi3): Make aware of smax_m1.
14606 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14608 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14610 2006-01-31 Richard Guenther <rguenther@suse.de>
14612 * doc/invoke.texi (-msselibm): Document.
14613 * target.h (expand_library_builtin): New target hook.
14614 * builtins.c (expand_builtin): Use expand_library_builtin.
14615 (default_expand_library_builtin): New function.
14616 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14617 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14618 (link_gcc_math_spec): Declare.
14619 (static_specs): Add link_gcc_math_spec.
14620 * expr.h (default_expand_library_builtin): Declare.
14621 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14622 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14623 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14624 * config/i386/i386.opt (msselibm): New target option.
14625 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14626 (ix86_init_sse_abi_builtins): New function.
14627 (ix86_expand_library_builtin): Likewise.
14628 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14629 (override_options): Handle error conditions wrt -msselibm.
14630 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14631 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14632 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14635 2006-01-31 Richard Guenther <rguenther@suse.de>
14636 Paolo Bonzini <bonzini@gnu.org>
14638 * doc/install.texi (--disable-libgcc-math): Document.
14640 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14642 * expr.h (expand_normal): new inline function.
14643 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14644 * dojump.c: use it.
14645 * dwarf2out.c: use it.
14648 * expmed.c: use it.
14649 * except.c: use it.
14650 * config/sparc/sparc.c: use it.
14651 * config/i386/i386.c: use it.
14652 * config/rs6000/rs6000.c: use it.
14653 * config/arm/arm.c: use it.
14654 * config/mips/mips.c: use it.
14655 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14657 2006-01-30 Roger Sayle <roger@eyesopen.com>
14659 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14660 argv to the appropriate type.
14662 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14664 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14667 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14670 * config/s390/s390.c (struct machine_function): New flag
14671 decomposed_literal_pool_addresses_ok_p.
14672 (s390_reorg): Set it before final stage of literal pool transforms.
14673 (s390_decompose_address): Only accept displacements of the form
14674 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14676 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14678 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14679 the comparison routine return.
14681 2006-01-30 Michael Matz <matz@suse.de>
14683 * global.c (find_reg): Only evict for global regs.
14684 Take n_refs into account and dump more info.
14686 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14689 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14690 (pragma_trap, pragma_nosave_low_regs): Likewise.
14691 (current_function_anonymous_args): Likewise.
14692 (sh_deferred_function_attributes): New variable.
14693 (sh_deferred_function_attributes_tail): Likewise.
14694 (print_operand): For '@', look up trap_exit attribute.
14695 (calc_live_regs): Look up trapa_handler attribute. For trapa
14696 handlers, save/restore fpscr, but don't do any other
14697 interrupt-specific saves.
14698 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14699 Fix check for partially saved registers to check for SHmedia.
14700 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14701 (sh_output_function_epilogue): Don't clear any of the removed
14703 (sh_insert_attributes): Don't check pragma_interrupt.
14704 Insert deferred attributes. Check that interrupt attribute is
14705 present for other attributes that require its presence.
14706 (sh_attribute_table): Add new attributes trapa_handler and
14708 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14709 Don't check for pragma_interrupt. Don't store argument.
14710 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14711 (sh_deferred_function_attributes): Declare.
14712 (sh_deferred_function_attributes_tail): Likewise.
14713 * sh.md (sp_switch_1): Add operand. Change generator caller.
14714 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14715 (*return_i): Don't use when trap_exit attribute is in effect.
14716 (*return_trapa): New insn pattern.
14717 * sh-c.c: New file.
14718 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14719 setting c_target_objs and cxx_target_objs.
14720 * t-sh: Add rule for sh-c.o.
14722 2006-01-30 Richard Guenther <rguenther@suse.de>
14725 * gimplify.c (gimplify_target_expr): Handle easy cases
14726 without creating a temporary.
14728 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14730 * vec.h (safe_grow): Remove duplicated line.
14732 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14735 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14736 (expand_omp): ... here.
14737 (expand_omp_parallel): Only remove barriers for combined
14738 parallel+workshare constructs.
14740 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14744 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14745 * tree.c (build_qualified_type): Chain the new type to the original
14746 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14747 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14748 (build_pointer_type_for_mode): Only return unqualified types.
14749 (build_reference_type_for_mode): Likewise.
14751 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14753 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14754 * Makefile.in (CXX_COMPAT_WARN): Define.
14755 * configure: Regenerate.
14757 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14760 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14763 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14765 * toplev.c: Fix thinko.
14767 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14768 Marcin Dalecki <martin@dalecki.de>
14770 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14771 (push_srcloc): Use XNEW.
14772 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14774 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14776 * df-core.c (df_set_blocks): Deleted all variable.
14778 2006-01-28 Ian Lance Taylor <ian@airs.com>
14780 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14781 cgraph_output_pending_asms.
14783 2006-01-28 Zack Weinberg <zackw@panix.com>
14785 * c.opt: Add -W(no-)overlength-strings.
14786 * doc/invoke.texi: Document it.
14787 * c-opts.c (c_common_handle_option): -pedantic implies
14788 -Woverlength-strings, if not explicitly disabled already.
14789 (c_common_post_options): -Woverlength-strings defaults to off, and
14790 is always off for C++.
14791 * c-common.c (fix_string_type): Issue warning about strings longer
14792 than is portable only if warn_overlength_strings. Rearrange code
14793 a little for clarity.
14794 * configure.in: Check for -Wno-overlength-strings as well before
14795 enabling -pedantic in stage 1.
14796 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14797 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14799 * genconditions.c (write_header, write_one_condition)
14800 (write_conditions, write_writer): Consolidate very long strings
14801 that were broken up to fit in C89 portable limit. Don't use
14802 printf when fputs will do.
14804 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14806 * combine.c (simplify_comparison <AND>): Check
14807 TRULY_NOOP_TRUNCATION before start using a subreg.
14809 * config/mips/mips.md (*branch_zero<mode>,
14810 *branch_zero<mode>_inverted, *branch_equality<mode>,
14811 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14812 Remove mode check from comparisons.
14814 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14816 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14818 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14820 * expmed.c (const_mult_add_overflow_p): Remove.
14821 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14823 * recog.c (validate_replace_rtx_subexp): Remove.
14824 * recog.h: Remove the prototype for
14825 validate_replace_rtx_subexp.
14827 * integrate.h: Remove the prototype for
14828 copy_decl_for_inlining.
14829 * rtl.h: Remove the prototype for mark_constant_function.
14830 * tree-vectorizer.h: Remove the prototype for
14831 vect_strip_conversion.
14833 * modulo-sched.c (create_partial_schedule,
14834 free_partial_schedule, reset_partial_schedule): Make them
14837 * hooks.c (hook_bool_rtx_int_false): Remove.
14838 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14840 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14842 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14843 and -mlong-double-128 are incompatible.
14844 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14845 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14846 (TARGET_LIBGCC2_CFLAGS): Define.
14847 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14848 (TARGET_LIBGCC2_CFLAGS): Same.
14849 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14851 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14854 * c-typeck.c (build_binary_op): Perform implicit casts of
14855 operands before shortening them.
14857 * cfgloopmanip.c (split_loop_bb): Remove.
14858 * cfgloop.h: Remove the prototype for split_loop_bb.
14860 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14861 * cfgloop.h: Remove the prototype for
14862 flow_loop_outside_edge_p.
14864 * emit-rtl.c (init_virtual_regs): Make it static.
14865 * function.h: Remove the prototype for init_virtual_regs.
14867 * recog.c (peephole2_optimize): Make it static.
14868 * recog.h: Remove the prototype for peephole2_optimize.
14870 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14872 * df-scan.c (df_record_entry_block_defs): Check if
14873 INCOMING_RETURN_ADDR_RTX is defined.
14875 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14876 Kenneth Zadeck <zadeck@naturalbridge.com>
14878 PR rtl-optimization/24762
14879 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14880 * targhooks.c (hook_void_bitmap): New hook prototype.
14881 * targhoohs.h (hook_void_bitmap): Ditto.
14882 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14883 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14884 * target.h (live_on_entry): New function pointer.
14885 * df-scan.c (df_all_hard_regs): Removed.
14886 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14887 (df_scan_free_internal): Added df->entry_block_defs.
14888 (df_scan_alloc): Ditto.
14889 (df_scan_dump): Ditto.
14890 (df_uses_record): Plumbed flag field properly thru calls.
14891 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14892 This part fixes PR24762.
14893 (df_bb_refs_record): Added code to make the frame and arg
14894 pointers live in EH blocks.
14895 (df_refs_record): Added call to df_record_entry_block_defs.
14896 (df_record_entry_block_defs): New function.
14897 * df-core.c: Added comments to describe new artifical defs.
14898 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14899 (entry_block_defs): New field in struct df.
14900 (df_all_hard_regs): Deleted.
14901 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14902 * df-problems.c (df_ru_bb_local_compute_process_def):
14903 Added code to handle artifical defs in the entry to a function.
14904 (df_ru_bb_local_compute): Ditto.
14905 (df_rd_bb_local_compute_process_def): Ditto.
14906 (df_rd_bb_local_compute): Ditto.
14907 (df_lr_bb_local_compute): Ditto.
14908 (df_ur_bb_local_compute): Ditto.
14909 (df_urec_bb_local_compute): Ditto.
14910 (df_chain_create_bb): Ditto.
14911 (df_ur_local_finalize): Removed entry.
14912 (df_urec_init): Ditto.
14913 (df_urec_local_finalize): Ditto.
14914 (df_ri_bb_compute): Added detection of last use of pseudos.
14915 * Makefile.in (df-scan.o): Updated dependencies.
14916 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14917 * config/mips/mips.c (mips_set_live_on_entry): Added.
14918 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14920 * dce.c (marked_insn_p): Added code to handle artifical defs.
14922 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14924 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14926 (_mm_cvtsi128_si64): Likewise.
14927 (_mm_cvtsd_si64): Likewise.
14928 (_mm_cvttsd_si64): Likewise.
14929 (_mm_cvtsi64_sd): Likewise.
14930 (_mm_cvtsi64_si128): Likewise.
14931 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14932 (_mm_cvtsi64_m64): Likewise.
14933 (_m_to_int64): Likewise.
14934 (_mm_cvtm64_si64): Likewise.
14935 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14936 (_mm_cvttss_si64): Likewise.
14937 (_mm_cvtsi64_ss): Likewise.
14938 (_mm_cvtss_f32): Likewise.
14940 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14942 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14943 for pragma redefine_extname.
14945 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14948 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14949 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14950 -mno-minimal-toc to previous content.
14951 (bispecs): Remove goal.
14952 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14953 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14954 compatibility aliases on powerpc-*-*gnu*.
14955 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14956 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14957 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14958 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14959 (ldblspecs): New goal.
14960 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14961 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14963 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14964 L_sf_to_tf or L_df_to_tf is defined.
14966 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14967 Alan Modra <amodra@bigpond.net.au>
14970 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14971 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14972 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14973 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14974 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14975 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14976 (rs6000_override_options): Initialize rs6000_ieeequad.
14977 Initialize TFmode format to ibm_extended_format if not
14979 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14981 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14982 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14983 (function_arg_advance): IBM long double passed in two FPRs, not
14985 (function_arg): IBM long double passed in FPRs.
14986 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14987 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14988 Only multireg GPR aligned.
14989 (rs6000_init_libfuncs): Enable IBM long double functions if not
14991 (rs6000_generate_compare): Use IBM long double compare if not
14993 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14994 (TARGET_IEEEQUAD): Define.
14995 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14996 not TARGET_IEEEQUAD.
14997 * config/rs6000/rs6000.md: Enable TFmode patterns if
14999 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15000 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15001 and -mlong-double-128 are incompatible.
15002 * doc/invoke.texi (-mabi): Collect options together. Add
15003 ibmlongdouble and ieeelongdouble.
15005 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15007 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15009 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15010 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15011 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15012 * rtl.h (rtunion_def): Remove rt_ptr.
15014 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15015 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15016 * config/i386/winnt.c (i386_pe_mark_dllexport)
15017 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15019 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15021 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15023 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15027 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15028 pthread_key_delete. From John David Anglin. gthrw-ify
15029 pthread_getunique_np only if it it's not a macro. Delete
15031 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15032 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15033 __gthread_objc_condition_signal, __gthread_key_delete): Add
15034 "__attribute__ ((__unused__))" to unused arguments.
15035 (__gthread_recursive_mutex_init_function): Add missing return.
15036 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15037 gthr-posix95.h: Use macro-based approach for name redirection
15038 on targets missing weakref.
15040 2006-01-26 Zack Weinberg <zackw@panix.com>
15042 * genconditions.c (write_header): In generated code, #ifdef out
15043 all includes and fake declarations, except includes of bconfig.h
15044 and system.h, unless GCC_VERSION >= 3001. Do not include
15045 gensupport.h in any case.
15046 (write_conditions): Generate a definition of struct c_test. Add
15047 a comment to the generated #endif.
15048 (write_one_condition): Escape backslashes in string too.
15049 (write_writer): Generated code must escape backslashes and quote
15050 marks (but not newlines) in the strings it writes.
15051 * Makefile.in (build/gencondmd.o): Update dependencies.
15053 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15056 * Makefile.in (insn-automata.o): Add header file dependencies.
15057 * genautomata.c: Add includes.
15059 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15062 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15064 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15066 * configure.ac: Expect target tools paths to be passed from the toplevel
15067 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15069 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15071 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15074 * c.opt (Wpointer-sign): Init to -1.
15075 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15076 OPT_pedantic, to 0 otherwise.
15077 * doc/invoke.texi: Update.
15079 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15081 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15082 constants provided by 80387 instructions in the destination mode.
15084 2006-01-26 Richard Guenther <rguenther@suse.de>
15085 Andrew Pinski <pinskia@physics.uc.edu>
15088 partial PR tree-opt/17064
15089 * tree-ssa-structalias.c (intra_create_variable_infos):
15090 Create heap variables for incoming parameters if
15091 flag_argument_noalias > 1.
15092 (find_what_p_points_to): Look through default defs of
15095 2006-01-26 Jeff Law <law@redhat.com>
15098 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15099 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15100 within the VR_RANGE, use the VR_RANGE as the result, not the
15102 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15103 bounds for the type.
15105 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15107 * tree-ssa-alias.c (maybe_create_global_var): Change
15108 subvar walking to an assertion that we don't have subvar'd variables.
15110 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15113 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15114 Use a new variable, inner. PARM_DECLs are always non-weak.
15116 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15118 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15119 --disable-checking.
15121 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15123 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15125 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15127 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15128 (smax_insn, smin_insn, smax_0, smin_0): New.
15130 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15133 * config/cris/cris.c (cris_order_for_addsi3): New function.
15134 * config/cris/cris-protos.h: Prototype it.
15135 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15136 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15137 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15138 (split for "op.S1 [rx=rx+i],ry (swapped)")
15139 (split for "op(s|u).S1 [rx=rx+i],ry")
15140 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15141 Apply cris_order_for_addsi3 when generating addsi3 insns.
15143 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15145 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15146 (TREE_BLOCK): Add call to EXPR_CHECK.
15148 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15151 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15152 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15153 (dump_omp_clauses): ... here.
15154 (dump_generic_node): Handle OMP_CLAUSE.
15155 * tree.c (omp_clause_num_ops): New.
15156 (omp_clause_code_name): New.
15157 (tree_code_size): Handle OMP_CLAUSE.
15158 (tree_size): Likewise.
15159 (make_node): Document handling of OMP_CLAUSE.
15160 (tree_node_structure): Handle OMP_CLAUSE.
15161 (omp_clause_check_failed): New.
15162 (omp_clause_range_check_failed): New.
15163 (omp_clause_operand_check_failed): New.
15164 (build_omp_clause): New.
15165 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15166 * tree.h (enum omp_clause_code): Declare.
15167 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15168 (OMP_CLAUSE_RANGE_CHECK): Define.
15169 (OMP_CLAUSE_ELT_CHECK): Define.
15170 (omp_clause_check_failed): Declare.
15171 (omp_clause_operand_check_failed): Declare.
15172 (omp_clause_range_check_failed): Declare.
15173 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15174 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15175 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15176 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15177 (OMP_CLAUSE_IF_EXPR): Likewise.
15178 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15179 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15180 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15181 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15182 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15183 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15184 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15185 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15186 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15187 (OMP_CLAUSE_CODE): Define.
15188 (OMP_CLAUSE_SET_CODE): Define.
15189 (OMP_CLAUSE_CODE): Define.
15190 (OMP_CLAUSE_OPERAND): Define.
15191 (struct tree_omp_clause): Declare.
15192 (union tree_node): Add field 'omp_clause'.
15193 * treestruct.def (TS_OMP_CLAUSE): Define.
15194 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15195 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15196 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15197 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15198 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15199 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15200 (OMP_CLAUSE): Define.
15201 * print-tree.c (print_node): Handle OMP_CLAUSE.
15202 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15203 * c-typeck.c: Likewise.
15204 * gimplify.c: Likewise.
15205 * c-omp.c: Likewise.
15206 * tree-nested.c: Likewise.
15207 * tree-inline.c: Likewise.
15208 * c-parser.c: Likewise.
15209 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15212 2006-01-25 Roger Sayle <roger@eyesopen.com>
15214 PR rtl-optimization/25703
15215 * combine.c (try_combine): Handle zero_extract and strict_low_part
15216 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15218 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15220 * global.c: Fix comment typos.
15222 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15225 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15226 Use output_addr_const instead of assemble_name.
15228 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15230 * Makefile.in (sched-vis.o): Update dependencies.
15231 * haifa-sched.c (sched_finish): Clear current_sched_info.
15232 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15233 (dump_flow_info): Call it.
15234 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15236 * basic-block.h (dump_bb_info): Declare.
15237 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15238 option, and apply options only for dump files whose TDF_RTL,
15239 TDF_TREE, or TDF_IPA bits match.
15240 * rtl.h: Declare new functions exported from sched-vis.c.
15241 * sched-vis.c: Enable also if scheduling is not used.
15242 (print_value): Print the mode of registers if not inside scheduling.
15243 (print_insn): Make it work outside the scheduler. Beautify the output
15245 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15247 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15249 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15250 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15251 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15252 depending on the value of CONSTANT_POOL_ADDRESS_P.
15253 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15255 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15256 rather than SYMBOL_REF_DECL.
15257 (rtx_constant_pool): Remove const_rtx_sym_htab.
15258 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15259 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15260 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15261 Remove handling of const_rtx_sym_htab.
15262 (find_pool_constant): Delete.
15263 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15264 rather than find_pool_constant.
15265 (get_pool_constant_for_function): Delete.
15266 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15267 find_pool_constant.
15268 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15269 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15270 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15271 (SYMBOL_REF_CONSTANT): New macro.
15272 (get_pool_constant_for_function): Delete.
15273 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15274 rather than SYMBOL_REF_DECL.
15275 (i386_pe_mark_dllimport): Likewise.
15276 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15277 rather than SYMBOL_REF_DECL.
15278 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15279 (machopic_indirect_call_target): Likewise.
15281 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15283 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15285 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15287 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15289 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15291 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15293 2006-01-24 David Daney <ddaney@avtrex.com>
15296 * configure.ac (enable_tls): New enable option.
15297 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15298 * configure: Regenerate.
15299 * doc/install.texi (--enable-tls): Document new option.
15300 (--disable-tls): Ditto.
15302 2006-01-24 Richard Henderson <rth@redehat.com>
15304 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15305 * alias.c (true_dependence): Respect it.
15306 (canon_true_dependence, write_dependence_p): Likewise.
15307 * builtins.c (get_builtin_sync_mem): Set it.
15309 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15311 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15314 2006-01-24 DJ Delorie <dj@redhat.com>
15316 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15317 for storing constants in single-bit bitfields.
15319 2006-01-25 Ben Elliston <bje@au.ibm.com>
15321 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15323 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15326 * tree-ssa-pre.c (phi_translate): Return NULL
15327 for AGGREGATE_TYPE's.
15329 2006-01-24 Zack Weinberg <zackw@panix.com>
15331 * genautomata.c (process_state_for_insn_equiv_partition):
15332 Use xcalloc for insn_arcs_array.
15333 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15334 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15336 2006-01-24 Richard Henderson <rth@redhat.com>
15338 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15339 update all callers.
15341 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15343 PR rtl-optimization/25890
15344 PR rtl-optimization/25905
15345 * combine.c (expand_compound_operation, expand_field_assignment):
15346 Fail if the bitfield's final position is out of bounds.
15348 2006-01-24 Ian Lance Taylor <ian@airs.com>
15350 PR middle-end/25930
15351 * cgraphunit.c (cgraph_output_in_order): Don't clear
15352 cgraph_asm_nodes until after asm strings have been output.
15354 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15356 * fix-header.c (read_scan_file): Add new parameter imultilib when
15357 calling register_include_chains.
15359 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15361 * omp-low.c: Update documentation.
15363 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15364 Daniel Berlin <dberlin@dberlin.org>
15368 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15369 return from the function.
15371 2006-01-22 Zack Weinberg <zackw@panix.com>
15373 * rtl.def (match_code): Add second argument.
15374 * genpreds.c (write_extract_subexp): New function.
15375 (write_match_code): Add path argument. Use write_extract_subexp.
15376 (write_predicate_expr): Pass path to write_match_code.
15377 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15378 not perform a mode test.
15379 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15380 a subexpression does not constrain the top-level code set.
15381 * read-rtl.c (read_rtx_variadic): New function.
15382 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15383 * doc/md.texi: Document new notation.
15384 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15385 (cmpsi_operand): ... here, using new notation.
15387 2006-01-22 Zack Weinberg <zackw@panix.com>
15389 * varray.c: Remove GENERATOR_FILE #ifdefs.
15391 2006-01-22 Zack Weinberg <zackw@panix.com>
15393 * genautomata.c (output_reserved_units_table): Emit nothing if
15394 description->query_units_num is zero. Remove extra blank line.
15395 (output_cpu_unit_reservation_p): Short circuit
15396 if description->query_units_num is zero.
15398 2006-01-22 Zack Weinberg <zackw@panix.com>
15400 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15401 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15402 nor any of the random handful of variables that used to be necessary
15403 when this program was linked with rtlanal.o. Prune set of forward
15404 function declarations.
15405 (struct attr_desc): Remove static_p field.
15406 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15407 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15408 (attr_string): Do not read the character one past the length of
15410 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15411 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15412 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15413 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15414 (make_automaton_attrs): New.
15415 (main): Do not call into genautomata. Call local gen_bypass
15416 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15417 Remove special case for insn_alts.
15418 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15419 varray.h (leftover from previous change). Prune set of forward
15420 function declarations. Remove state_alts fields from all
15421 structures. Remove state_alts_table from struct automaton.
15422 Make everything except main static. Do not maintain num_dfa_decls.
15423 Do not maintain state_alts fields of various structures.
15424 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15425 (add_arc): Remove state_alts argument. All callers updated.
15426 (output_reserved_units_table): Emit #ifdef here...
15427 (output_tables): ...not here. Don't generate state_alts tables.
15428 (expand_automata): Don't generate attributes.
15429 (write_automata): Don't generate state_alts functions.
15430 (main): New function.
15431 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15432 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15433 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15434 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15435 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15436 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15437 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15438 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15440 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15441 * genattrtab.h: Delete file.
15442 * Makefile.in (OBJS-common): Add insn-automata.o.
15443 (insn-automata.o): New rule.
15444 (simple_generated_c): Add insn-automata.c.
15445 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15446 (genprogmd): Add automata.
15447 (build/genattrtab): Needs no extra objects nor libraries.
15448 (build/genautomata): Needs build/vec.o and -lm.
15450 2006-01-22 Zack Weinberg <zackw@panix.com>
15452 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15453 (output_dfa_max_issue_rate, locked_states_num): Delete.
15454 (struct automaton): Add locked_states field.
15455 (output_dead_lock_vect): Save number of locked states in
15456 automaton->locked_states. If it is zero, don't print anything.
15457 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15458 (output_internal_dead_lock_func): Only test the dead_lock_vect
15459 for automata that have locked states.
15460 (output_statistics): Always print the number of locked states for
15461 each automaton. Calculate total number of locked states here.
15462 (write_automata): Don't call output_dfa_max_issue_rate.
15463 * genattrtab.c: Define length_unit_log as a const variable.
15464 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15465 max_insn_queue_index const.
15466 * final.c (length_unit_log): Declare const.
15467 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15469 2006-01-22 Zack Weinberg <zackw@panix.com>
15471 * genautomata.c: Include vec.h, not varray.h.
15472 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15473 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15474 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15475 VEC_* macros operating on appropriately typed vectors, or to
15476 malloced arrays when the size is known in advance. Const-ify
15477 many char* variables and function arguments. No functional changes.
15478 * Makefile.in (build/varray.o): Delete rule.
15479 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15480 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15482 2006-01-22 Zack Weinberg <zackw@panix.com>
15484 * gensupport.c: Define get_insn_name and record_insn_name here.
15485 (read_md_rtx): Call record_insn_name as appropriate.
15486 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15487 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15488 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15490 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15491 (BUILD_VARRAY): Delete.
15492 (genprognormal): Rename genprogmd. Fold in all programs from
15493 genprognoprint; also attrtab.
15494 (build/genattrtab): Just mention genautomata.o and varray.o.
15495 Reorganize a bit, add comments to make the categories clearer.
15497 2006-01-22 Zack Weinberg <zackw@panix.com>
15499 * genconditions.c (condition_table, add_condition): Delete.
15500 (write_conditions): Don't emit n_insn_conditions nor
15501 insn_elision_unavailable. Issue the gcc version #ifdef here,
15502 inside the table, with no #else clause ...
15503 (write_header): ...not here.
15504 (write_writer): New function.
15505 (main): Don't initialize condition_table. Use add_c_test.
15507 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15508 files on the command line.
15509 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15510 Return -1 if there is no entry in the table, don't abort.
15511 (add_c_test, traverse_c_tests): New functions.
15512 * gensupport.h (insn_elision_unavailable, insn_conditions)
15513 (n_insn_conditions): Delete declarations.
15514 (add_c_test, traverse_c_tests): Declare.
15515 * read-rtl.c: Include gensupport.h.
15516 (read_conditions): New function.
15517 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15518 (read_rtx_1): If we get EOF when we were looking for an initial
15519 open paren, return 0. Call read_conditions when appropriate.
15520 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15521 dummy-conditions.o. Eliminate references to insn-conditions.o,
15522 or change them to build/gencondmd.o, as appropriate. Remove
15523 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15524 from $(simple_generated_c). For all files remaining in those
15525 two lists, add insn-conditions.md to the generator command line.
15526 Give insn-constants.h/s-constants their own rules. Add rules
15527 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15528 (build/read-rtl.o): Depend on gensupport.h.
15529 (genprognormal): Include preds.
15530 (genprogearly): Rename genprognoprint; only difference is now that
15531 they don't link with $(BUILD_PRINT).
15532 * dummy-conditions.c: Delete.
15534 2006-01-22 Zack Weinberg <zackw@panix.com>
15536 * genextract.c: Don't include insn-config.h. Do include vec.h.
15537 Declare vectors of int, char, and locstr.
15538 (locstr): New typedef.
15539 (struct extraction): Make all array fields into bare pointers.
15540 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15541 (insn_code_number): Delete.
15542 (accum_extract): New struct.
15543 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15544 (gen_insn): Take insn_code_number as an argument. Use an
15545 accum_extract structure instead of loading data directly into
15546 a struct extraction, and having to know how big it might get.
15547 (walk_rtx): Operate entirely on an accum_extract structure.
15548 (print_path): Avoid unnecessary use of printf.
15549 (print_header): New function, split out of main. Distinguish
15550 more carefully between an unrecognizable insn and an insn that
15551 has the code number of a define_expand.
15552 (main): Pass insn_code_number to gen_insn. Call print_header
15553 only after parsing. Avoid unnecessary use of printf.
15554 * Makefile.in (build/vec.o): New rule.
15555 (build/genextract): Depend on build/vec.o.
15556 (build/genextract.o): Don't depend on insn-config.h.
15558 2006-01-22 Zack Weinberg <zackw@panix.com>
15560 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15561 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15562 practical. Eliminate per-generator-program link rules.
15564 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15566 PR middle-end/24437
15567 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15568 with a call expr to ...
15569 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15571 2006-01-23 Richard Guenther <rguenther@suse.de>
15573 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15574 before make_edge with conditional EDGE_TRUE_VALUE.
15576 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15577 Jan Hubicka <jh@suse.cz>
15578 Richard Guenther <rguenther@suse.de>
15580 PR rtl-optimization/25654
15581 * cfgexpand.c (aggregate_contains_union_type): New function.
15582 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15583 for structure variables that contain a union type.
15585 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15587 * gengtype.c (new_structure): Return the structure.
15588 (create_option): Add an extra "next" argument.
15589 (create_field): New function.
15590 (adjust_field_rtx_def): Use create_option and create_field.
15591 Remove a now-unnecessary call to find_structure.
15592 (adjust_field_tree_def): Likewise.
15593 (note_yacc_type): Remove an unnecessary call to find_structure.
15594 * gengtype.h (new_structure): Return the structure.
15595 (create_option): Add an extra argument.
15596 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15597 (option): Adjust calls to create_option.
15599 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15601 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15603 2006-01-22 Paul Brook <paul@codesourcery.com>
15604 Peter Barada <peter@the-baradas.com>
15606 * config/m68k/m68k.md: Add Coldfire FPU support.
15607 Define FP mode macro and associated attributes.
15608 Use it for float mode patterns.
15609 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15610 (LIBCALL_VALUE): Use m68k_libcall_value.
15611 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15612 (m68k_function_value): Ditto.
15613 (emit_move_sequence): Ditto.
15614 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15615 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15616 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15617 (MULTILIB_EXCEPTIONS): Ditto.
15618 * config/m68k/m68k.opt: Add mcfv4e.
15619 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15620 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15621 (m68k_output_function_prologue): Save ColdFire FPU registers.
15622 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15623 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15624 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15625 ColdFire FPU registers.
15626 (m68k_libcall_value, m68k_function_value): New functions.
15627 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15628 (LIBCALL_VALUE): Use m68k_libcall_value.
15629 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15630 (MASK_COLDFIRE): Add MASK_CFV4E.
15631 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15632 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15633 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15634 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15635 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15636 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15637 * doc/invoke.tex: Document -mcfv4e on m68k.
15639 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15641 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15644 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15647 * c-opts.c (c_common_handle_option): Don't include
15648 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15649 * doc/invoke.texi (C++ Dialect Options): Document that
15650 -Wnon-virtual-dtor is no longer included in -Wall.
15652 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15654 * gcov.c (print_version), gcov-dump.c (print_version),
15655 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15658 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15660 * df-scan.c (problem_SCAN): Added NULL reset function.
15661 (df_scan_reset_blocks): Added code to call reset block function
15662 (df_bb_refs_delete) Fixed comment.
15663 (df_insn_refs_delete): Made tolerant of deleting non existent info
15664 for dataflow problems that need to be reset.
15665 * df-core.c (df_set_blocks): Ditto.
15666 * df.h (struct df_problem): Added reset_fun.
15667 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15668 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15669 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15670 functions to clear out all references to def-use or use-def chains.
15672 2006-01-21 Ben Elliston <bje@au.ibm.com>
15674 * varasm.c (assemble_real): Initialise data array.
15676 2006-01-20 Paul Brook <paul@codesourcery.com>
15678 Merge from csl-arm-branch.
15679 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15680 * config/arm/arm.md (movdi): Force operands[1] to a register
15681 if we have a non-register source.
15682 (*arm_movdi, *movdf_soft_insn): Require that one of the
15683 operands be a register.
15684 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15685 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15687 2006-01-20 DJ Delorie <dj@redhat.com>
15689 * varasm.c (initializer_constant_valid_p): Allow pointers
15690 initialized from integer constants of lesser precision.
15691 (output_constant): Allow non-int-sized pointer modes to be
15692 initialized from integer constants.
15694 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15697 * cppdefault.h (struct default_include): Add multilib flag.
15698 * cppdefault.c (cpp_include_defaults): Set it.
15699 * c.opt (-imultilib): New option.
15700 * c-opts.c (imultilib): New.
15701 (c_common_handle_option): Handle -imultilib.
15702 (c_common_post_options): Likewise.
15703 * c-incpath.c (add_standard_paths, register_include_chains):
15705 * c-incpath.h (register_include_chains): Add extra parameter.
15706 * gcc.c (do_spec_1): Generate -imultilib option.
15707 (The Specs Language): Update %I description.
15708 (process_command): Update copyright notice.
15709 * doc/cppopts.texi (-imultilib): Document.
15710 * doc/invoke.texi (-imultilib): Include in option summary.
15711 (%I): Update specs documentation.
15713 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15715 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15717 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15719 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15722 2006-01-20 Richard Guenther <rguenther@suse.de>
15723 Steven Bosscher <stevenb.gcc@gmail.com>
15725 PR rtl-optimization/24626
15726 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15727 EDGE_TRUE_VALUE if in RTL mode.
15730 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15731 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15733 2006-01-20 Dirk Mueller <dmueller@suse.com>
15736 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15737 instead of a special NOP marker.
15738 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15739 NOP marker handling.
15740 * c-common.h (empty_body_warning): Add forward declaration.
15741 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15742 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15744 2006-01-20 Paul Brook <paul@codesourcery.com>
15746 * Makefile.in (lang_checks): Keep going if mkdir fails.
15748 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15750 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15751 be able to clean out basic block when not necessary.
15752 (df_scan_free): Fixed to properly delete information if df is
15753 unused before calling df_finish.
15754 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15755 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15757 (df_bb_refs_delete): New function.
15758 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15759 * df-core.c (df_set_blocks): Added code to properly clean out
15760 unused blocks if they are not part of the blocks to consider.
15761 Added additional null check.
15762 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15763 be able to clean out basic block when not necessary
15764 * df.h (df_free_bb_function): Ditto.
15765 (df_bb_refs_delete): New function.
15766 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15767 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15768 basic block parameter to be able to clean out basic block when not
15770 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15771 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15772 Fixed to properly delete information if df is unused before
15775 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15777 PR rtl-optimization/25799
15778 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15779 Corrected confluence operator to remove bits from op2 before oring
15780 with op1 rather than removing bits from op1.
15781 (df_ru_transfer_function): Corrected test on wrong bitmap which
15782 caused infinite loop. Both of these problems were introduced in
15783 the dataflow rewrite.
15785 2006-01-19 DJ Delorie <dj@redhat.com>
15787 * reload1.c (find_reload_regs): Note the details of reload
15788 failures in the dump file.
15789 (spill_failure): Likewise.
15791 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15793 * loop-iv.c: Include df.h and hashtab.h.
15794 (enum iv_grd_result): New enum.
15795 (DF_REF_IV, DF_REF_IV_SET): New macros.
15796 (struct biv_entry): New.
15797 (df, bivs): New global variables.
15798 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15799 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15801 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15802 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15803 analyzed_for_bivness_p, record_biv): New functions.
15804 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15805 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15806 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15808 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15810 (iv_number_of_iterations): Use new interface to iv analysis.
15811 * loop-unroll.c: Do not include varray.h.
15812 (analyze_iv_to_split_insn): Use new interface to iv
15814 * loop-unswitch.c (may_unswitch_on): Ditto.
15815 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15817 (df_bb_modify): Realloc tables to the new index.
15818 (df_find_use): New function.
15819 * df.h (df_find_use): Declare.
15820 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15822 * cfgloop.h (struct rtx_iv): Remove analysed field.
15823 (iv_get_reaching_def): Removed.
15824 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15825 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15826 (loop-iv.o): Add df.h and hashtab.h dependency.
15827 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15829 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15832 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15834 (__floatundisf, __floatundidf): Likewise.
15835 * libgcc2.h (IS_IBM_EXTENDED): Define.
15837 2006-01-19 DJ Delorie <dj@redhat.com>
15839 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15841 2006-01-19 Paul Brook <paul@codesourcery.com>
15843 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15844 as nothrow when unwinding tables are disabled.
15846 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15849 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15850 of bit-field" when in system header.
15852 2006-01-19 DJ Delorie <dj@redhat.com>
15854 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15855 the 16 bit shift limit of the m16c.
15857 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15860 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15861 * config/i386/i386.c (output_set_got): Output the label if we have one
15862 for the TARGET_DEEP_BRANCH_PREDICTION case.
15864 2006-01-19 Jan Hubicka <jh@suse.cz>
15865 H.J. Lu <hongjiu.lu@intel.com>
15866 Evandro Menezes <evandro.menezes@amd.com>
15868 * invoke.texi (generic): Document
15870 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15871 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15872 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15873 (x86_use_incdec, x86_pad_returns): New variables
15874 (TARGET_CPU_DEFAULT_generic): New constant
15875 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15876 (enum processor_type): Add generic32 and generic64.
15877 * i386.md (cpu attribute): Add generic32/generic64
15878 (movhi splitter): Behave sanely when both partial_reg_dependency and
15879 partial_reg_stall are set.
15880 (K8 splitters): Enable for generic as well.
15881 * predicates.md (incdec_operand): Use TARGET_INCDEC
15882 (aligned_operand): Avoid memory mismatch stalls.
15883 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15884 * ppro.md: Enable for generic32
15885 * i386.c (generic64_cost, generic32_cost): New.
15886 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15887 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15888 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15889 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15890 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15891 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15892 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15893 x86_accumulate_outgoing_args, x86_prologue_using_move,
15894 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15895 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15896 Enable for generic.
15897 (x86_use_incdec, x86_pad_returns): New.
15898 (override_options): Add generic32 and generic64, translate "generic"
15899 to generic32/generic64 and "i686" to "generic32", refuse
15900 "generic32"/"generic64" as arch target.
15901 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15902 (ix86_reorg): Honor PAD_RETURNS.
15904 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15906 * tree-pretty-print.c (dump_generic_node): Handle
15907 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15908 * cgraph.c (cgraph_expand_queue): Rename from
15909 cgraph_analyze_queue. Update all users.
15910 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15911 cgraph_expand_queue.
15912 (cgraph_expand_all_functions): Likewise.
15913 (cgraph_finalize_pending_functions): Remove. Update callers.
15915 * tree.h (OMP_DIRECTIVE_P): Define.
15916 (OMP_PARALLEL_FN): Define.
15917 (OMP_PARALLEL_DATA_ARG): Define.
15918 (OMP_SECTIONS_SECTIONS): Define.
15919 * tree-pass.h (pass_expand_omp): Declare.
15920 * omp-low.c (struct omp_region): Declare.
15921 (struct omp_context): Remove fields 'parallel_type',
15922 'parallel_start_ix' and 'parallel_start_additional_args'.
15924 (struct omp_for_data): Rename from struct expand_omp_for_data.
15925 (omp_regions): New static variable.
15926 (root_omp_region): New static variable.
15927 (find_omp_clause): Make static.
15928 (is_in_combined_parallel_ctx): Remove.
15929 (is_combined_parallel): New.
15930 (extract_omp_for_data): Move earlier in the file.
15931 (workshare_safe_to_combine_p): New.
15932 (get_ws_args_for): New.
15933 (determine_parallel_type): Move earlier in the file.
15934 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15936 (omp_copy_decl): Likewise.
15937 (create_omp_child_function): Likewise.
15938 (lookup_omp_region): New.
15939 (dump_omp_region): New.
15940 (debug_omp_region): New.
15941 (debug_all_omp_regions): New.
15942 (new_omp_region): New.
15943 (scan_omp_parallel): If parallel_nesting_level > 1, the
15944 directive is nested within another parallel directive.
15945 Set OMP_PARALLEL_FN.
15946 (scan_omp_for): Do not try to handle combined parallel+for
15948 Remove FIXME comment.
15949 (scan_omp_nested): Remove.
15950 (scan_omp_1): Do not call scan_omp_nested when
15951 parallel_nesting_level is > 1.
15952 Do not change the DECL_CONTEXT of local variables found.
15953 (lookup_decl_in_outer_ctx): New.
15954 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15955 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15956 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15957 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15958 If CTX is nested, lookup VAR in the outer context when
15959 building copy assignment.
15960 (lower_send_clauses): Rename from expand_send_clauses.
15961 If CTX is nested, lookup VAR in the outer context when
15962 building copy assignments.
15963 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15964 If CTX is nested, lookup VAR in the outer context when
15965 building copy assignments.
15966 (expand_parallel_call): Rename from build_parallel_call.
15967 Handle combined parallel+workshare cases.
15968 Re-implement to emit code into the CFG.
15970 (expand_omp_parallel): Re-implement to emit code into the CFG.
15971 Call move_sese_region_to_fn to outline the sub-graph
15972 containing the parallel region.
15973 (expand_omp_for_1): Remove.
15974 (expand_omp_for_generic): Re-implement to emit code into the
15976 (expand_omp_for_static_nochunk): Likewise.
15977 (expand_omp_for_static_chunk): Likewise.
15978 (expand_omp_for): Likewise.
15979 (expand_omp_sections): Likewise.
15980 (remove_exit_barriers): New.
15981 (expand_omp_synch): New.
15983 (build_omp_regions_1): New.
15984 (build_omp_regions): New.
15985 (execute_expand_omp): New.
15986 (gate_expand_omp): New.
15987 (pass_expand_omp): Define.
15988 (lower_omp_sections): Rename from expand_omp_sections.
15989 Set OMP_SECTIONS_SECTIONS.
15990 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15991 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15992 (lower_omp_single): Rename from expand_omp_simple.
15993 (lower_omp_master): Rename from expand_omp_master.
15994 (lower_omp_ordered): Rename from expand_omp_ordered.
15995 (lower_omp_critical): Rename from expand_omp_critical.
15996 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15997 (lower_omp_for): Re-implement.
15998 (lower_omp_parallel): Re-implement.
15999 (lower_regimplify): Rename from expand_regimplify.
16000 (lower_omp_1): Rename from expand_omp_1.
16001 If there are syntax errors in the program, replace every
16002 OpenMP directive with NOP.
16003 Call lower_omp_* instead of expand_omp_*.
16004 (lower_omp): Rename from expand_omp.
16006 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16007 * tree-gimple.h (enum omp_parallel_type): Remove.
16008 (gimple_boolify): Declare extern.
16009 (find_omp_clause, determine_parallel_type): Remove.
16011 * gimple-low.c (lower_omp_directive): New.
16012 (lower_stmt): Call it.
16013 (record_vars_into): Move from ...
16014 (record_vars): ... here.
16015 Call record_vars_into with current_function_decl.
16017 * gimplify.c (struct gimplify_ctx): Remove fields
16018 combined_pre_p and combined_ctxp. Update users.
16019 (get_formal_tmp_var): Add documentation.
16020 (gimple_boolify): Make extern.
16021 (gimplify_expr_in_ctx): Remove. Update callers.
16022 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16023 will always be a BIND_EXPR.
16024 (gimplify_expr): Handle OMP_RETURN_EXPR.
16025 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16026 (OMP_PARALLEL): Add 3 operands.
16027 (OMP_SECTIONS): Add 1 operand.
16028 (OMP_RETURN_EXPR): Define.
16030 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16031 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16032 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16033 creating a circular free list.
16034 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16036 * tree-flow.h (move_sese_region_to_fn): Declare.
16037 (record_vars_into): Declare.
16038 * tree-cfg.c (make_omp_sections_edges): New.
16039 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16040 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16041 OMP_SECTIONS and OMP_SECTION.
16042 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16043 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16044 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16045 (gather_blocks_in_sese_region): New.
16046 (struct move_stmt_d): Declare.
16047 (move_stmt_r): New.
16048 (move_block_to_fn): New.
16049 (move_sese_region_to_fn): New.
16051 * passes.c (init_optimization_passes): Schedule
16052 pass_expand_omp after pass_init_datastructures.
16054 * tree-ssa-operands.c (get_expr_operands): Handle
16055 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16056 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16058 2006-01-19 Jeff Law <law@redhat.com>
16060 * tree-vrp.c (extract_range_from_assert): Refine the result range
16061 if the variable referenced by the ASSERT_EXPR has a range and
16062 either the tentative result range or the previous range is a
16065 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16067 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16069 2006-01-19 Jan Hubicka <jh@suse.cz>
16071 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16073 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16075 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16076 (expand_compound_operation, expand_field_assignment): Fail if the
16077 bit lengths of an extract operation are out of range.
16078 (make_extraction): Compute wanted_inner_mode based on the position
16079 and length of the extraction. Make it extraction_mode for non-constant
16080 positions, and do not modify offset in that case. When generating a
16081 new MEM, use a mode that can hold the extraction while keeping correct
16082 alignment. Remove code that supported MEMs wrapped by USEs.
16083 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16085 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16087 * config/s390/s390.md ("Y", "y"): New mode attribute.
16088 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16089 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16090 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16091 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16092 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16093 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16094 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16095 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16096 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16097 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16098 "addsi3", "subsi3"): Insn patterns removed.
16099 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16100 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16101 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16102 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16103 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16104 "*sub<mode>3_cconly2"): New insn patterns.
16105 ("addsi3", "subsi3"): New expanders.
16107 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16109 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16110 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16111 existing STMT_VINFO_VECTYPE if available.
16112 (vect_mark_relevant): Add special handling for stmts that are
16113 marked as STMT_VINFO_IN_PATTERN_P.
16114 (vect_analyze_loop): Call vect_pattern_recog.
16115 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16116 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16118 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16119 (vect_recog_func_ptr): New function-pointer type.
16120 * tree-vect-patterns.c: New file.
16121 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16122 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16123 (vect_pattern_recog_1): New functions.
16124 (vect_pattern_recog_funcs): New array of function pointers.
16126 * tree-vectorizer.h (ternary_op): New enum value.
16127 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16128 declaration. Revised documentation. Removed redundant dump prints.
16129 Removed redundant argument. Added support for reduction patterns.
16130 (vectorizable_reduction): Added support for reduction patterns.
16131 (vect_transform_stmt): Added support for patterns.
16133 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16134 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16135 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16136 (expand_widen_pattern_expr): New function.
16137 (init_optabs): Initialize new optabs udot_prod_optab,
16139 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16140 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16141 (expand_widen_pattern_expr): New function declaration.
16142 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16144 * tree-inline.c (estimate_num_insns_1): Added cases for new
16145 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16146 * tree-pretty-print.c (dump_generic_node): Likewise.
16147 (op_prio): Likewise.
16148 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16149 * tree-ssa-operands.c (get_expr_operands): Added case for
16151 * tree-vect-patterns.c (widened_name_p): New function.
16152 (vect_recog_dot_prod_pattern): Added function implementation.
16153 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16154 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16155 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16156 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16158 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16159 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16160 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16161 (init_optabs): Initialize new optabs widen_ssum_optab,
16163 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16164 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16165 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16166 use instead of type of def.
16167 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16168 function implementation.
16169 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16170 widen_ssumv8hi): New.
16172 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16175 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16178 * c-decl.c (add_flexible_array_elts_to_size): New function.
16179 (finish_decl): Use it.
16181 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16183 * diagnostic.h: Include options.h.
16184 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16185 dependancies for diagnostic.h.
16186 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16188 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16190 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16191 (ssa_ro_call_cache_valid): Ditto.
16192 * tree-ssa-alias.c (sort_tags_by_id): New function.
16193 (init_transitive_clobber_worklist): Ditto.
16194 (add_to_worklist): Ditto.
16195 (mark_aliases_call_clobbered): Ditto.
16196 (compute_tag_properties): Ditto.
16197 (set_initial_properties): Ditto.
16198 (compute_call_clobbered): Ditto.
16199 (compute_may_aliases): Call compute_call_clobbered and grouping.
16200 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16201 (compute_flow_insensitive_aliasing): Grouping now happens in our
16203 (setup_pointers_and_addressables): Remove clobbering related code.
16204 (add_may_alias): Ditto.
16205 (replace_may_alias): Ditto.
16206 (get_nmt_for): Ditto.
16207 (create_global_var):
16208 (is_escape_site): Return an escape_type enumeration.
16209 * tree-flow-inline.h (is_call_clobbered): Global var does not
16210 imply call clobbered.
16211 (mark_call_clobbered): Take a reason for marking this. Remove
16212 marking of globalness, and cache invalidation.
16213 (clear_call_clobbered): Remove cache invalidation code.
16214 * tree-dfa.c (dump_variable): If details is on, dump the reason
16216 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16218 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16219 (struct var_ann_d): Ditto.
16220 (enum escape_type): New.
16221 (mark_call_clobbered): Adjust prototype.
16222 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16223 are never call clobbered.
16224 Record reasons for escaping.
16225 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16226 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16227 (ssa_ro_call_cache_valid): Ditto.
16228 (clobbered_v_may_defs): Ditto.
16229 (clobbered_vuses): Ditto.
16230 (ro_call_vuses): Ditto.
16231 (clobber_stats): New.
16232 (init_ssa_operands): Zero out clobber stats.
16233 (fini_ssa_operands): Print out clobber stats.
16234 (get_call_expr_operands): Pass callee fndecl to
16235 add_call_read_ops).
16236 (add_call_clobber_ops): Remove use of cache.
16237 Add use of PURE_CONST information.
16238 (add_call_read_ops): Remove use of cache.
16239 Add use of static not_read information.
16241 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16243 Introduce TLS descriptors for i386 and x86_64.
16244 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16245 (TARGET_ANY_GNU_TLS): New macro.
16246 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16247 (struct machine_function): Add tls_descriptor_call_expanded_p.
16248 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16249 (ix86_current_function_calls_tls_descriptor): Likewise.
16250 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16251 (override_options): Introduce gnu2 tls dialect.
16252 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16254 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16256 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16257 (ix86_init_machine_status): Initialize new field.
16258 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16259 (ix86_tls_module_base): New.
16260 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16261 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16262 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16263 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16264 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16265 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16266 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16267 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16268 * config/i386/predicates.md (tls_modbase_operand): New.
16269 (tp_or_register_operand): New.
16271 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16273 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16274 (look_for_address_of): Ditto.
16275 (ipa_init): Walk the function decls.
16276 (static_execute): Don't set readonly on FUNCTION_DECL's.
16278 2006-01-18 Roger Sayle <roger@eyesopen.com>
16280 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16281 for shifts where the source and destination registers are different.
16283 2006-01-18 Paul Brook <paul@codesourcery.com>
16285 Merge from csl-arm-branch.
16286 2005-03-14 Julian Brown <julian@codesourcery.com>
16287 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16288 (aeabi_llsl): Likewise.
16289 (ashrdi3): Likewise.
16290 (aeabi_lasr): Likewise.
16291 (lshrdi3): Likewise.
16292 (aeabi_llsr): Likewise.
16293 2005-03-10 Julian Brown <julian@codesourcery.com>
16294 * config.gcc: Disable shared libgcc for SymbianOS.
16295 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16297 2006-01-18 DJ Delorie <dj@redhat.com>
16299 * c-pragma.c (handle_pragma_diagnostic): New.
16300 (init_pragma): Register it.
16301 * doc/extend.texi: Document it.
16303 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16304 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16305 (diagnostic_context): Add classify_diagnostic[].
16306 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16307 as errors if they're overridden to DK_WARNING.
16308 (diagnostic_initialize): Initialize classify_diagnostic[].
16309 (diagnostic_set_kind_override): New.
16310 (diagnostic_report_diagnostic): Check for kind changes.
16311 * opts.c (common_handle_option): Take lang_mask. Update callers.
16312 Handle OPT_Werror_.
16313 * common.opt (Werror=): New.
16314 * doc/invoke.texi: Document -Werror=*
16316 2006-01-18 Jeff Law <law@redhat.com>
16318 * tree-vrp.c (test_for_singularity): Correct test for new
16319 min limit. Use operand_equal_p rather than pointer equality
16320 for testing if new min/max values are equal.
16322 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16323 using range information until after propagation and folding.
16325 2006-01-18 Richard Henderson <rth@redhat.com>
16326 Aldy Hernandez <aldyh@redhat.com>
16327 Jakub Jelinek <jakub@redhat.com>
16328 Diego Novillo <dnovillo@redhat.com>
16330 * omp-low.c: New file.
16331 * c-omp.c: New file.
16333 2006-01-18 Richard Henderson <rth@redhat.com>
16334 Jakub Jelinek <jakub@redhat.com>
16335 Diego Novillo <dnovillo@redhat.com>
16337 * doc/invoke.texi: Document -fopenmp.
16338 * tree-dump.h (debug_function): Declare.
16339 * hooks.c (hook_bool_tree_bool_false): New function.
16340 (hook_tree_tree_null): Remove.
16341 (hook_tree_tree_tree_null): New.
16342 * hooks.h: Update to match.
16343 * tree-pretty-print.c (debug_tree_chain): New.
16344 (print_generic_expr): Handle TDF_CHAIN.
16345 (dump_generic_node): Handle BLOCK.
16346 Do not abort with incomplete SWITCH_EXPRs.
16347 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16348 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16349 print space after directive name.
16350 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16351 Handle OMP_MASTER and OMP_ORDERED.
16352 Handle printing of OMP_BODY just in one place, goto
16353 dump_omp_body in the rest of OMP_* nodes that have
16355 Don't handle clause nodes here. Update omp statements to
16356 use dump_omp_clauses.
16357 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16358 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16359 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16360 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16361 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16362 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16363 Adjust output for GOMP_PARALLEL.
16364 (dump_omp_clauses): New.
16365 (print_declaration): Dump DECL_VALUE_EXPR.
16366 (op_symbol_1): Split out of op_symbol.
16367 (dumping_stmts): Remove. Update all users.
16368 * cgraph.c (cgraph_analyze_queue): New.
16369 (cgraph_add_new_function): New.
16370 * cgraph.h (cgraph_analyze_queue): Declare.
16371 (cgraph_add_new_function): Declare.
16372 (cgraph_lower_function): Remove.
16373 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16374 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16375 and TYPE_P nodes in its default clause.
16376 (empty_body_p): New.
16377 (tree_range_check_failed): New.
16378 (build5_stat): New.
16379 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16380 OMP_CLAUSE_REDUCTION_MERGE,
16381 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16382 OMP_CLAUSE_PRIVATE_DEBUG,
16383 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16384 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16385 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16386 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16387 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16388 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16389 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16390 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16391 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16392 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16393 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16394 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16395 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16396 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16397 (TREE_RANGE_CHECK): New.
16398 (empty_body_p): Declare.
16399 (enum omp_clause_default_kind): New.
16400 (build_string_literal): Declare.
16401 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16402 (build5_stat, build5): Declare.
16403 * tree-pass.h (TDF_CHAIN): Define.
16404 * tree-pass.h (PROP_gimple_lomp): Define.
16405 (pass_lower_omp): Declare.
16406 * diagnostic.h (debug_tree_chain): Declare.
16407 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16409 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16410 * builtins.c (build_string_literal): Make extern.
16411 * gcc.c (include_spec_function): New.
16412 (static_spec_functions): Add it.
16413 (main): Move load of libgomp.spec ...
16414 (LINK_COMMAND_SPEC): ... here.
16415 (link_gomp_spec): New.
16416 (static_specs): Include it.
16417 (LINK_COMMAND_SPEC): Add link_gomp.
16418 (GOMP_SELF_SPECS): New.
16419 (driver_self_specs): Include it.
16420 (switch_matches): Don't mark inline.
16421 (main): Load libgomp.spec.
16422 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16423 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16424 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16425 * tree-gimple.h (enum omp_parallel): Declare.
16426 (determine_parallel_type): Declare.
16427 (omp_firstprivatize_variable): Declare.
16428 (omp_reduction_init): Declare.
16429 (diagnose_omp_structured_block_errors): Declare.
16430 (struct walk_stmt_info): Add want_return_expr.
16431 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16432 (find_omp_clause): Declare.
16433 (insert_field_into_struct): Declare.
16434 (struct walk_stmt_info): Move from tree-nested.c
16435 (walk_stmts): Declare.
16436 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16438 * cgraphunit.c (cgraph_lower_function): Make static.
16439 (cgraph_finalize_pending_functions): New.
16440 (cgraph_finalize_function): Call it.
16441 (cgraph_finalize_compilation_unit): Likewise.
16442 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16443 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16444 (BT_FN_UINT_UINT): New.
16445 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16446 DEF_FUNCTION_TYPE_VAR_4): Document.
16447 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16448 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16449 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16450 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16451 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16452 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16453 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16454 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16455 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16456 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16457 into separate files.
16458 (DEF_GOMP_BUILTIN): New.
16459 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16460 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16461 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16462 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16463 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16464 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16465 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16466 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16467 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16468 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16469 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16470 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16471 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16472 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16473 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16474 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16475 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16476 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16477 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16478 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16479 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16480 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16481 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16482 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16483 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16484 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16485 * sync-builtins.def: New file, moved from builtins.def.
16486 * omp-builtins.def: New file, moved from builtins.def.
16487 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16488 * gimple-low.c (lower_function_body): Clear data.
16489 (lower_stmt): Do not handle COMPOUND_EXPR.
16490 Remove call to print_node_brief.
16491 * c-tree.h (c_finish_omp_clauses): New prototype.
16492 (C_DECL_THREADPRIVATE_P): Define.
16493 (lookup_name_no_remap, c_omp_remap_private): Remove
16494 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16495 (check_for_loop_decls): Update decl.
16496 (lookup_name_no_remap, c_omp_remap_private): Declare.
16497 (build_indirect_ref, build_modify_expr, pushdecl,
16498 pushdecl_top_level): Move to c-common.h.
16499 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16500 before the switch, but just in the 2 places that need it.
16501 * c-decl.c (diagnose_mismatched_decls): Do not check for
16502 mismatched thread-local attributes when OLDDECL is marked
16503 threadprivate and NEWDECL has no thread-local attributes.
16504 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16505 (c_gimple_diagnostics_recursively): Rename from
16506 c_warn_unused_result_recursively. Invoke
16507 diagnose_omp_structured_block_errors.
16508 (check_for_loop_decls): Return a singular decl found.
16509 * langhooks.c (lhd_omp_predetermined_sharing): Return
16510 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16511 (lhd_omp_firstprivatize_type_sizes): New.
16512 (lhd_omp_assignment): New.
16513 (lhd_omp_predetermined_sharing): New.
16514 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16515 (struct lang_hooks_for_types): Add
16516 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16517 omp_predetermined_sharing, omp_disregard_value_expr,
16518 omp_private_debug_clause, omp_clause_default_ctor,
16519 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16520 (c_finish_omp_clauses): New.
16521 (c_finish_bc_stmt): Diagnose break within omp for.
16522 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16523 (build_unary_op): Return error_mark after reporting
16525 (build_modify_expr): Likewise.
16526 * gimplify.c: Include optabs.h and pointer-set.h.
16527 (enum gimplify_omp_var_data): Declare.
16528 (struct gimplify_omp_ctx): Declare.
16529 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16531 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16532 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16533 (splay_tree_compare_decl_uid): New.
16534 (new_omp_context): New.
16535 (delete_omp_context): New.
16536 (gimple_add_tmp_var): Call omp_add_variable.
16537 (gimplify_bind_expr): Likewise.
16538 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16539 true, disregard DECL_VALUE_EXPR on the decl if any.
16540 (gimplify_expr_in_ctx): New.
16541 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16542 omp_add_variable, omp_notice_variable, omp_is_private
16543 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16544 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16545 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16546 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16547 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16548 gimplify_omp_atomic): New.
16549 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16550 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16551 OMP_CRITICAL and OMP_ATOMIC.
16552 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16553 * c-pragma.h (enum pragma_kind): Add
16554 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16555 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16556 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16557 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16558 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16559 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16560 PRAGMA_OMP_THREADPRIVATE.
16561 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16562 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16563 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16564 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16565 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16566 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16567 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16568 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16569 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16570 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16571 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16572 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16573 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16575 (struct nesting_info): Add field_map,
16576 suppress_expansion, debug_var_chain.
16577 (create_nesting_tree): Initialize them.
16578 (lookup_field_for_decl): Use field_map.
16579 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16580 (convert_local_omp_clauses): New.
16581 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16582 (walk_body): Split out of walk_function.
16583 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16584 (convert_nonlocal_reference): Handle omp statements.
16585 (convert_local_reference): Likewise.
16586 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16587 (unnest_nesting_tree): New.
16588 (lower_nested_functions): Call it.
16589 (insert_field_into_struct): Make extern.
16590 (struct walk_stmt_info): Move to tree-gimple.h.
16591 (walk_stmts): Make extern.
16592 * omp-builtins.def: New file.
16593 * tree-iterator.c (expr_only): Clarify comment.
16594 * c-common.h (pushdecl_top_level, pushdecl,
16595 build_modify_expr, build_indirect_ref,
16596 c_finish_omp_master, c_finish_omp_critical,
16597 c_finish_omp_ordered, c_finish_omp_barrier,
16598 c_finish_omp_atomic, c_finish_omp_flush,
16599 c_finish_omp_for, c_split_parallel_clauses,
16600 omp_clause_default_kind, c_omp_sharing_predetermined,
16601 c_omp_remap_decl): Declare.
16602 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16603 (OBJS-common): Add omp-low.o.
16604 (c-omp.o, omp-low.o): Add.
16605 (gimplify.o): Add dependency on $(OPTABS_H).
16606 (GTFILES): Add omp-low.c.
16607 (gt-stringpool.h): Add.
16608 * tree-cfg.c (set_bb_for_stmt): Do not update the
16609 block-to-labels map if we are currently expanding to RTL.
16610 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16612 Handle IDENTIFIER_NODE.
16613 (tree_verify_flow_info): Do not ICE when emitting error
16614 messages about invalid labels.
16615 (dump_function_to_file): Reset CFUN before emitting the body
16617 (debug_function): New.
16618 * passes.c (init_optimization_passes): Schedule
16620 * langhooks-def.h (lhd_omp_predetermined_sharing,
16621 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16623 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16624 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16625 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16626 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16627 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16628 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16629 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16630 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16631 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16632 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16633 (LANG_HOOK_DECLS): Use them.
16635 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16636 Richard Henderson <rth@redhat.com>
16637 Jakub Jelinek <jakub@redhat.com>
16638 Diego Novillo <dnovillo@redhat.com>
16640 * c-parser.c (pragma_omp_clause): Define.
16641 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16642 (c_parser_compound_statement): Likewise.
16643 (c_parser_statement): Likewise.
16644 (c_parser_pragma): Handle omp pragmas.
16645 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16646 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16647 (c_parser_omp_clause_name, check_no_duplicate_clause,
16648 c_parser_omp_variable_list,
16649 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16650 c_parser_omp_clause_copyprivate,
16651 c_parser_omp_clause_default,
16652 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16653 c_parser_omp_clause_lastprivate,
16654 c_parser_omp_clause_nowait,
16655 c_parser_omp_clause_num_threads,
16656 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16657 c_parser_omp_clause_reduction,
16658 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16659 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16660 c_parser_omp_atomic, c_parser_omp_barrier,
16661 c_parser_omp_critical, c_parser_omp_flush,
16662 c_parser_omp_for_loop, c_parser_omp_for,
16663 c_parser_omp_master, c_parser_omp_ordered,
16664 c_parser_omp_sections_scope, c_parser_omp_sections,
16665 c_parser_omp_parallel, c_parser_omp_single,
16666 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16667 * c-pragma.c (init_pragma): Do omp pragma registration here.
16668 * c.opt (fopenmp): New flag.
16670 2006-01-18 Eric Christopher <echristo@apple.com>
16672 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16673 * config/darwin.h (GOMP_SELF_SPECS): Define.
16675 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16677 * rtl.h: Remove the prototype for reg_alloc.
16679 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16682 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16683 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16684 sjlj and dwarf2 exception handling.
16685 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16686 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16687 * pa/pa.c (function_value): Treat complex and vector types as
16689 (function_arg): Likewise. Only pass scalar floats in the floating
16690 point argument registers.
16691 * pa/t-slibgcc-dwarf-ver: New file.
16692 * pa/t-slibgcc-sjlj-ver: New file.
16693 * pa/t-slibgcc-elf-ver: Delete file.
16695 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16697 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16698 unlikely_test_section_p test.
16700 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16702 * mode-switching.c (optimize_mode_switching): Make it static.
16703 * basic-block.h: Remove the prototype for
16704 optimize_mode_switching.
16706 * modulo-sched.c (sms_schedule): Make it static.
16707 * rtl.h: Remove the prototype for sms_schedule.
16709 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16710 * rtl.h: Remove the prototype for gcse_after_reload_main.
16712 * reg-stack.c (reg_to_stack): Make it static.
16713 * rtl.h: Remove the prototype for reg_to_stack.
16715 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16717 * rtl.h: Remove the prototypes for regrename_optimize and
16718 copyprop_hardreg_forward.
16720 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16722 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16723 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16724 Test against the appropriate null constant for the mode.
16725 If 'fixup_overlap' is true, swap the operands if they overlap.
16726 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16727 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16728 alpha_split_tmode_pair and adjust for above change.
16729 * config/alpha/alpha.md (movtf_internal): Adjust call to
16730 alpha_split_tfmode_pair and rely on it to swap the operands.
16731 (movti_internal): New insn and post-reload splitter.
16732 (movti): New expander.
16734 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16736 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16739 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16741 * rtlanal.c (global_reg_mentioned_p_1,
16742 global_reg_mentioned_p): Remove.
16743 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16745 * flow.c (initialize_uninitialized_subregs): Make it static.
16746 * rtl.h: Remove the prototype for
16747 initialize_uninitialized_subregs.
16749 * function.c (instantiate_virtual_regs): Make it static.
16750 * function.h: Remove the prototype for
16751 instantiate_virtual_regs.
16753 * regmove.c (regmove_optimize, combine_stack_adjustments):
16755 * rtl.h: Remove the prototypes for regmove_optimize and
16756 combine_stack_adjustments.
16758 2006-01-17 Roger Sayle <roger@eyesopen.com>
16760 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16761 (size_cost): Encode costs in bytes so that a reg-reg addition is
16762 equivalent to COSTS_N_INSNS(1).
16763 (override_options): Use the size_cost.branch_cost as the default
16764 ix86_branch_cost when optimizing for size.
16766 2006-01-18 Ben Elliston <bje@au.ibm.com>
16768 * Makefile.in (D32PBIT_FUNCS): New.
16769 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16770 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16771 D64PBIT_FUNCS and D128PBIT_FUNCS.
16772 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16773 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16775 (decnumber_dep): Define.
16776 * doc/libgcc.texi (Decimal float library routines): New node.
16777 * config/dfp-bit.h, config/dfp-bit.c: New files.
16779 2006-01-18 Ben Elliston <bje@au.ibm.com>
16781 * expr.c (emit_move_change_mode): Always adjust addresses, not
16782 just during reload. Copy replacements only during reload.
16783 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16784 emit_move_via_integer.
16786 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16788 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16789 instead of $(srcdir) and ${srcdir}.
16791 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16794 PR middle-end/11135
16795 * arm.h (struct machine_function): Add pic_reg.
16796 * arm.c (arm_pic_register): Make unsigned.
16797 (arm_override_options): Only set arm_pic_register if
16798 TARGET_SINGLE_PIC_BASE.
16799 (use_return_insn): Only test for a pic register if it is fixed.
16800 (arm_compute_save_reg0_reg12_mask): Likewise.
16801 (thumb_compute_save_reg_mask): Likewise.
16802 (legitimate_pic_operand): Factor out some known invariants.
16803 (legitimize_pic_address): If we don't have a fixed pic register,
16804 then set up a pseudo in the function entry sequence. Handle the
16805 pic base being in a pseudo.
16806 (arm_load_pic_register): Handle the pic register being in a pseudo.
16807 (arm_expand_prologue): Only set up the pic register if it is fixed.
16808 (thumb_expand_prologue): Likewise.
16809 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16810 (pic_load_addr_based_insn): Likewise.
16811 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16814 2006-01-18 Ben Elliston <bje@au.ibm.com>
16816 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16817 decimal float modes for all floating point registers.
16819 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16820 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16822 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16825 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16826 even when the pointer is not NULL.
16828 2006-01-16 Ian Lance Taylor <ian@airs.com>
16830 * common.opt (ftoplevel-reorder): New option.
16831 * cgraph.c (cgraph_asm_nodes): New global variable.
16832 (cgraph_asm_last_node): New static variable.
16833 (cgraph_order): New global variable.
16834 (cgraph_create_node): Set new order field.
16835 (cgraph_varpool_node): Likewise.
16836 (decide_is_variable_needed): Return true if not
16837 flag_toplevel_reorder.
16838 (cgraph_add_asm_node): New function.
16839 * cgraph.h (struct cgraph_node): Add order field.
16840 (struct cgraph_varpool_node): Add order field.
16841 (struct cgraph_asm_node): Define.
16842 (cgraph_asm_nodes, cgraph_order): Declare.
16843 (cgraph_add_asm_node): Declare.
16844 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16846 (cgraph_varpool_assemble_pending_decls): Call it.
16847 (cgraph_output_pending_asms): New static function.
16848 (cgraph_finalize_compilation_unit): Call it.
16849 (struct cgraph_order_sort): Define.
16850 (cgraph_output_in_order): New static function.
16851 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16852 !flag_toplevel_reorder case.
16853 * c-parser.c: Include "cgraph.h".
16854 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16856 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16857 than -fno-unit-at-a-time.
16858 * doc/invoke.texi (Option Summary): Mention
16859 -fno-toplevel-reorder.
16860 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16861 -funit-at-a-time documentation.
16863 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16864 Kazu Hirata <kazu@codesourcery.com>
16866 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16868 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16870 * Makefile.in (FUNCTION_H): New. Use it instead of
16871 function.h throughout the file.
16872 * function.h: Include tree.h.
16874 2006-01-17 Ben Elliston <bje@au.ibm.com>
16876 * recog.c: Separate some functions with whitespace.
16878 2006-01-16 Richard Henderson <rth@redhat.com>
16880 Merge from gomp branch:
16881 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16882 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16883 and rename from struct inline_data. Rename callee* to dst*;
16884 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16885 transform_new_cfg, transform_return_to_modify, and
16886 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16888 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16889 (copy_decl_for_dup): Remove.
16890 * tree-inline.c (struct inline_data): Move to header.
16891 (insert_decl_map): Export.
16892 (remap_decl): Update for member name changes. Use copy_decl hook.
16893 Allow for replacement to be a non-decl. Remove dead code.
16894 (remap_type_1): Check for existing mapping.
16895 (remap_type): Export.
16896 (remap_decls): Update for member name changes.
16897 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16898 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16899 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16900 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16901 (tree_function_versioning, build_duplicate_type): Likewise.
16902 (copy_body_r): Likewise. Export.
16903 (copy_decl_for_dup): Split into ...
16904 (copy_decl_for_dup_finish, copy_decl_to_var,
16905 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16906 (replace_ref_tree, inlining_p): Remove.
16908 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16910 * ifcvt.c (if_convert): Make it static.
16911 * rtl.h: Remove the prototype for if_convert.
16913 * local-alloc.c (local_alloc): Make it static.
16914 * rtl.h: Remove the prototype for local_alloc.
16916 * loop.c (loop_optimize): Make it static.
16917 * cfgloop.h: Remove the prototype for loop_optimize.
16920 2006-01-16 DJ Delorie <dj@redhat.com>
16922 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16925 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16927 * pa.md: Disparage copies between general and floating-point registers
16928 in 32-bit move patterns.
16930 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16933 * Makefile.in (check-%): Depend on site.exp instead of
16934 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16937 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16939 * global.c (global_alloc): Make it static.
16940 * rtl.h: Remove the prototype for global_alloc.
16942 2006-01-16 Richard Guenther <rguenther@suse.de>
16944 * tree-ssa-alias.c (struct used_part): Add write_only field.
16945 (get_or_create_used_part_for): Initialize it to true.
16946 (create_overlap_variables_for): Don't create structure variables
16947 for structures that only are written to.
16948 (find_used_portions): Handle MODIFY_EXPR to track whether a
16949 structure is only written to.
16951 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16953 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16955 * basic-block.h: Remove the prototype for
16956 partition_hot_cold_basic_blocks.
16958 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16960 * cppspec.c (lang_specific_spec_functions): Remove.
16961 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16962 * gcc.h (lang_specific_spec_functions): Remove.
16963 * gccspec.c (lang_specific_spec_functions): Remove.
16965 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16967 * combine.c (record_value_for_reg): Invalidate registers
16969 (record_dead_and_set_regs_1): Likewise, by passing them to
16970 record_value_for_reg.
16971 (record_dead_and_set_regs): Invalidate stores made by a
16972 call. We do not combine across a call, but we still
16973 relied on equivalences.
16975 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16977 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16978 vrp_int_const_binop returning non-constant nodes.
16980 2006-01-16 Paul Brook <paul@codesourcery.com>
16982 * config/m68k/m68k.c (output_move_const_into_data_reg):
16983 Output correct mnemonic for mvz and mvs.
16985 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16987 * rtl-factoring.c: Add sequence abstraction algorithm.
16988 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16989 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16991 (block_has_preserve_label): New function.
16992 * common.opt: Register new pass.
16993 * Makefile.in: Ditto.
16995 * timevar.def: Ditto.
16996 * tree-pass.h: Ditto.
16997 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16998 * rtl.h (make_jump_insn_raw): Add forward decl.
16999 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17001 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17002 Roger Sayle <roger@eyesopen.com>
17004 * fold-const.c (fold_minmax): New static function.
17005 (fold_binary) <MIN_EXPR>: Call it.
17006 <MAX_EXPR>: Likewise.
17007 * stor-layout.c (place_field): Use DECL_SIZE consistently
17008 in the computation of the new record size.
17010 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17012 * cse.c (cse_condition_code_reg): Make it static.
17013 * rtl.h: Remove the prototype for cse_condition_code_reg.
17015 * combine.c (combine_instructions): Make it static.
17016 * rtl.h: Remove the prototype for combine_instructions.
17018 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17021 * tree.c (get_file_function_name_long): Concatenate the first global
17022 object name with a string derived from the input filename of the object
17025 2006-01-16 Ben Elliston <bje@au.ibm.com>
17027 * config/i386/winnt-stubs.c: Update FSF address.
17028 * config/xtensa/ieee754-df.S: Ditto.
17029 * config/xtensa/ieee754-sf.S: Ditto.
17031 2006-01-14 Ian Lance Taylor <ian@airs.com>
17033 * ifcvt.c (noce_init_if_info): New static function, broken out of
17034 noce_process_if_block.
17035 (noce_process_if_block): Call noce_init_if_info.
17036 (check_cond_move_block): New static function.
17037 (cond_move_process_if_block): New static function.
17038 (process_if_block): Call cond_move_process_if_block.
17040 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17042 * cselib.c (hash_table): Rename to cselib_hash_table.
17043 (cselib_clear_table, discard_useless_values,
17044 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17045 cselib_init, cselib_finish): Adjust uses of hash_table.
17047 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17049 PR tree-optimization/25485
17050 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17051 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17052 is known to be false and true, respectively.
17054 2006-01-14 Richard Guenther <rguenther@suse.de>
17056 PR tree-optimization/22548
17057 PR tree-optimization/22555
17058 PR tree-optimization/22501
17059 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17060 * params.def (salias-max-array-elements): New parameter.
17061 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17062 * doc/invoke.texi (salias-max-array-elements): Document.
17063 * tree-flow-inline.h (var_can_have_subvars): We also handle
17065 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17067 * tree-ssa-structalias.c (params.h): Include.
17068 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17069 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17070 (get_constraint_for): For ADDR_EXPR operating on something
17071 containing an ARRAY_REF, add all subvars to the solution.
17072 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17073 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17074 for creating MUST_DEFs.
17075 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17077 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17079 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17081 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17082 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17083 number_of_iterations_le): New functions.
17084 (number_of_iterations_special): Removed.
17085 (number_of_iterations_exit): Do not use number_of_iterations_special.
17086 * tree.c (unsigned_type_for): Always return integer type.
17088 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17089 Richard Guenther <rguenther@suse.de>
17091 PR rtl-optimization/24257
17092 * gcse.c (find_moveable_store): Only consider a store movable
17093 when the SET_SRC of the insn can be assigned to a register.
17095 2006-01-14 Ian Lance Taylor <ian@airs.com>
17097 * tree.c (tree_not_class_check_failed): New function.
17098 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17099 (tree_not_class_check_failed): Declare.
17101 2006-01-13 Ian Lance Taylor <ian@airs.com>
17103 * reload1.c (do_output_reload): Add assertion rejecting a
17106 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17108 * combine.c (struct reg_stat): Add new fields truncation_label and
17110 (record_value_for_reg): Reset truncated_to_mode.
17111 (record_truncated_value): New function.
17112 (check_promoted_subreg): Call it. Rename to check_conversions.
17113 (combine_instructions): Rename check_promoted_subreg to
17115 (reg_truncated_to_mode): New function.
17116 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17117 (gen_lowpart_or_truncate): New function.
17118 (force_to_mode): Use it instead of gen_lowpart.
17120 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17122 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17123 VAR is a tag, not its type tag.
17125 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17127 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17128 alternatives to match style of other entries.
17129 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17131 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17133 PR tree-optimization/25771
17134 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17137 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17140 * tree-inline.c (declare_return_variable): If the return variable
17141 was marked as a non gimple complex, set the return slot variable
17142 to be a non gimple comple variable.
17144 2006-01-13 Richard Guenther <rguenther@suse.de>
17146 * builtins.c (expand_builtin_sincos): New function.
17147 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17149 (expand_builtin): Expand sincos using expand_builtin_sincos.
17151 2006-01-12 DJ Delorie <dj@redhat.com>
17153 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17154 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17155 so that constant shifts can be split.
17156 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17157 (m32c_valid_pointer_mode): Make static.
17158 (shift_gen_func_for): New.
17159 (m32c_prepare_shift): Use it. Split large const shifts into
17161 * config/m32c/predicates.md (shiftcount_operand): Allow more
17163 (longshiftcount_operand): New.
17164 * doc/md.texi (Machine Constraints): Document In6.
17166 2006-01-13 Ben Elliston <bje@au.ibm.com>
17168 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17169 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17172 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17174 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17175 to try to avoid clobbering pieces of structures when we know
17176 something about the whole structure.
17177 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17179 2006-01-13 Ben Elliston <bje@au.ibm.com>
17181 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17182 return in memory, as this is no limitation is no longer present.
17184 2006-01-12 DJ Delorie <dj@redhat.com>
17186 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17187 mova with fb, and for fb+0 -> An.
17189 * config/m32c/mov.md (peephole2): Fix enabling logic.
17191 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17192 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17193 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17194 FINI_ARRAY_SECTION_ASM_OP): Define.
17196 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17198 (m32c_legitimize_reload_address): New logic to reload FB to An.
17199 (m32c_output_reg_push): Add newline.
17200 (m32c_output_reg_pop): Likewise.
17202 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17204 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17206 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17208 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17210 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17212 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17215 2006-01-11 Ben Elliston <bje@au.ibm.com>
17217 * rtlanal.c (find_reg_note): Assert insn is not null.
17219 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17221 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17224 2006-01-11 Jeff Law <law@redhat.com>
17226 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17228 (mark_threaded_blocks, register_jump_thread): New functions.
17229 (thread_through_all_blocks): Remove unwanted argument. No
17230 longer rely on e->aux to communicate thread target info.
17231 Call mark_threaded_blocks. Release the threaded_blocks
17232 bitmap and threaded_edges vector when complete.
17233 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17234 (threaded_blocks): Remove.
17235 (tree_ssa_dominator_optimize): Remove initialization and
17236 finalization of threaded_blocks. Simplify call to
17237 thread_through_all_blocks.
17238 (thread_across_edge): Call register_jump_thread rather than
17239 storing thread information into e->aux.
17240 (free_all_edge_infos): Simplify now that e->aux is no longer
17241 used to communicate with thread_through_all_blocks.
17242 * tree-flow.h (thread_through_all_blocks): Update prototype.
17243 (register_jump_thread): Prototype.
17245 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17247 * df-core.c (df_compact_blocks, df_bb_replace): Use
17248 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17250 2006-01-11 Richard Guenther <rguenther@suse.de>
17252 PR tree-optimization/25734
17253 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17254 stop propagation after successful propagation to the LHS.
17256 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17258 * basic-block.h (control_flow_graph): Change the type of
17259 x_basic_block_info to VEC(basic_block,gc) *.
17260 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17262 (SET_BASIC_BLOCK): New.
17263 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17264 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17265 * cfgbuild.c (find_basic_blocks): Likewise.
17266 * cfglayout.c (fixup_reorder_chain): Likewise.
17267 * cfgrtl.c (create_basic_block_structure,
17268 rtl_create_basic_block): Likewise.
17269 * ifcvt.c (find_if_case_1): Likewise.
17270 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17273 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17275 * Makefile.in: Removed rotted odf.c entry.
17277 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17280 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17281 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17282 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17283 output pattern modifier, not %e.
17284 * config/cris/cris.c (cris_op_str): Update comment about pattern
17286 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17287 before falling through into...
17288 <case 'E'>: Redefined from old 'e' case.
17290 2006-01-11 Jan Hubicka <jh@suse.cz>
17293 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17295 2006-01-11 Jan Hubicka <jh@suse.cz>
17297 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17298 * i386.c (x86_decompose_lea): Kill.
17299 (ix86_rtx_costs): Kill.
17301 2006-01-11 Jan Hubicka <jh@suse.cz>
17303 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17304 * cgraph.h (cgraph_node): Add inline_decl.
17305 (cgraph_insert_node_to_hashtable): Declare.
17306 (save_inline_function_body): Declare.
17307 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17309 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17310 (cgraph_function_versioning): Update call of tree_function_versioning.
17311 (save_inline_function_body): New function.
17312 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17313 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17314 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17315 (cgraph_default_inline_p): Likewise.
17316 (cgraph_decide_inlining_incrementally): Likewise.
17317 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17318 (copy_bb): Kill saving; do updating of clones.
17319 (copy_cfg_body): Kill saving.
17320 (initialize_inlined-parameters): Likewise.
17321 (expand_call_inline): Likewise.
17323 (tree_function_versioning): New parameter "update_clones".
17324 (inlining_p): Kill saving.
17325 * tree-inline.h (tree_function_versioning): Update prototype.
17326 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17329 2006-01-11 Ian Lance Taylor <ian@airs.com>
17331 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17332 Allow undoing set of machine mode.
17333 (do_SUBST): Use enums instead of is_int.
17334 (do_SUBST_MODE): New function.
17335 (SUBST_MODE): New macro.
17336 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17337 reg and trying to replace reg_regno_rtx with a new register.
17338 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17339 (simplify_set): Use SUBST_MODE.
17340 (distribute_notes): Remove code that tried to update reg notes
17341 for regno_reg_rtx changes.
17343 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17345 PR tree-optimization/23109
17346 PR tree-optimization/23948
17347 PR tree-optimization/24123
17349 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17350 * tree-cfg.c (single_noncomplex_succ): New.
17351 * tree-flow.h (single_noncomplex_succ): Declare it.
17352 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17353 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17354 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17355 insert_bb, register_division_in, insert_reciprocals,
17356 replace_reciprocal, free_bb): New.
17357 (execute_cse_reciprocals_1): Rewritten.
17358 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17359 Do not commit any edge insertion. Always compute dominators and
17360 create the allocation pool.
17361 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17362 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17363 * targhooks.c (default_min_divistions_for_recip_mul): New.
17364 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17365 * passes.c (init_optimization_passes): Run recip after tree loop
17367 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17369 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17370 Kenneth Zadeck <zadeck@naturalbridge.com>
17372 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17373 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17374 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17375 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17376 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17377 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17378 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17379 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17380 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17381 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17382 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17383 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17384 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17385 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17386 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17387 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17388 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17389 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17390 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17391 DF_SCAN_POST_ALLOC): New macros.
17392 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17393 df_free_bb_function, df_local_compute_function, df_init_function,
17394 df_dataflow_function, df_confluence_function_0,
17395 df_confluence_function_n, df_transfer_function,
17396 df_finalizer_function, df_free_function, df_dump_problem_function,
17397 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17398 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17399 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17400 df_urec_bb_info, ) New types.
17401 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17403 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17404 df_analyze_simple_change_some_blocks,
17405 df_analyze_simple_change_one_block, df_compact_blocks,
17406 df_bb_replace, df_bb_regno_last_use_find,
17407 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17408 df_insn_regno_def_p, df_find_def, df_find_use,
17409 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17410 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17411 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17412 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17413 debug_df_chain, df_get_dependent_problem, df_chain_create,
17414 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17415 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17416 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17417 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17418 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17419 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17420 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17421 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17422 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17423 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17424 df_reorganize_refs, df_set_state, df_hard_reg_init,
17425 df_read_modify_subreg_p) New public functions.
17426 * df-core.c: The core dataflow solver and glue routines for rtl
17428 (df_init, df_add_problem, df_set_blocks, df_finish,
17429 df_hybrid_search_forward, df_hybrid_search_backward,
17430 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17431 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17432 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17433 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17434 df_reg_defined, df_find_use, df_reg_used, df_dump,
17435 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17436 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17437 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17438 debug_df_useno, reset_df_after_reload): New functions.
17439 * df-scan.c: The scanning fuctions, once in df.c, completely
17440 rewritten so that they now fully model the functionality of
17441 register usage at the backend.
17442 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17443 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17444 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17445 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17446 df_get_artificial_defs, df_get_artificial_uses,
17447 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17448 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17449 df_refs_delete, df_reorganize_refs, df_set_state,
17450 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17451 df_def_record_1, df_defs_record, df_uses_record,
17452 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17453 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17454 df_record_exit_block_uses, df_hard_reg_init): New functions.
17456 * df-problems.c: Seven concrete dataflow problems that use the
17457 scanning in df-scan.c and are solved by the engine in df-core.c.
17458 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17459 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17460 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17461 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17462 df_ru_free_bb_info, df_ru_alloc,
17463 df_ru_bb_local_compute_process_def,
17464 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17465 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17466 df_ru_transfer_function, df_ru_free, df_ru_dump,
17467 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17468 df_rd_free_bb_info, df_rd_alloc,
17469 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17470 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17471 df_rd_transfer_function, df_rd_free, df_rd_dump,
17472 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17473 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17474 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17475 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17476 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17477 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17478 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17479 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17480 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17481 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17482 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17483 df_urec_mark_reg_use_for_earlyclobber,
17484 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17485 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17486 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17487 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17488 df_chain_create_bb_process_use, df_chain_create_bb,
17489 df_chain_finalize, df_chain_free, df_chains_dump,
17490 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17491 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17492 df_reg_lifetime): New functions.
17493 * df.c: Deleted file.
17494 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17495 consistent with new df api.
17496 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17497 rest_of_handle_sms): Ditto.
17498 * web.c (unionfind_union, union_defs, entry_register, web_main):
17500 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17501 invariant_expr_equal_p, find_defs, check_dependencies,
17502 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17503 free_inv_motion_data, move_loop_invariants): Ditto.
17504 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17505 Update dependencies.
17506 (odf.c): Added defective entry that was deleted later in day.
17507 * sched-deps.c (sched_analyze_1): Ditto.
17509 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17511 * tree-ssa-operands.c (get_expr_operands): Record addressable
17512 variables directly. Do not call add_stmt_operands for CONST_DECLs
17514 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17515 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17517 2006-01-11 Ben Elliston <bje@au.ibm.com>
17519 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17520 function returns true in the positive case.
17522 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17525 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17526 for SI, DI, SF and DF modes. Add alternatives to copy between
17527 general and floating point registers to the 32-bit patterns.
17528 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17529 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17530 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17531 generating 64-bit code.
17532 * config/pa/pa.c (output_move_double): Handle copies between general
17533 and floating registers.
17535 2006-01-10 Stuart Hastings <stuart@apple.com>
17537 * config/i386/i386.md (set_got): Update.
17538 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17539 (builtin_setjmp_receiver): Mach-O support.
17540 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17541 (GOT_SYMBOL_NAME): Define.
17542 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17543 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17544 * config/i386/i386.c (override_options): Revise for Darwin.
17545 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17546 support. (darwin_x86_file_end): New. (output_set_got): Add label
17547 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17548 * config/i386/i386-protos.h (output_set_got): Likewise.
17549 * config/darwin.c (machopic_legitimize_pic_address): Update
17552 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17554 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17555 when MODE isn't BLKmode.
17557 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17559 PR rtl-optimization/25367
17560 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17562 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17565 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17566 for a negative bound.
17568 2006-01-10 Richard Guenther <rguenther@suse.de>
17570 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17571 Never override with anything constraint.
17573 2006-01-10 Jan Beulich <jbeulich@novell.com>
17575 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17576 256 bits when optimize_size.
17578 2006-01-10 Jan Beulich <jbeulich@novell.com>
17580 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17582 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17583 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17586 2006-01-10 Ben Elliston <bje@au.ibm.com>
17588 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17590 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17591 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17592 (USE_FP_FOR_ARG): Reject decimal float modes.
17593 (function_arg_advance): Likewise.
17594 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17595 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17596 point types in AltiVec vectors.
17597 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17598 (rs6000_libcall_value): Likewise.
17600 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17602 * config/xtensa/ieee754-df.S: New file.
17603 * config/xtensa/ieee754-sf.S: New file.
17604 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17605 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17606 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17608 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17610 * config/sh/predicates.md (binary_float_operator,
17611 binary_logical_operator, commutative_float_operator,
17612 equality_comparison_operator, greater_comparison_operator,
17613 less_comparison_operator, logical_operator,
17614 noncommutative_float_operator, shift_operator,
17615 symbol_ref_operand, unary_float_operator): Remove redundant
17618 2006-01-09 Jeff Law <law@redhat.com>
17620 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17621 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17622 now unused arguments. Callers updated.
17623 (eliminate_redundant_computations): Remove now unused arguments,
17625 (local_fold): Remove, no longer used.
17626 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17628 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17629 (simplify_cond): New function.
17630 (forward_propagate_into_cond): Call simplify_cond.
17632 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17634 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17635 (*vec_extractv2di_1_sse): New.
17637 2006-01-09 Ben Elliston <bje@au.ibm.com>
17639 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17641 2006-01-08 Richard Guenther <rguenther@suse.de>
17643 * tree-ssa-structalias.c (get_constraint_for): Remove
17644 anyoffset argument.
17645 (get_constraint_for_component_ref): Likewise.
17646 (do_deref): Likewise.
17647 (get_constraint_for): Likewise.
17648 (do_structure_copy): Likewise.
17649 (handle_ptr_arith): Likewise.
17650 (find_func_aliases): Likewise. Remove unused need_anyoffset
17653 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17654 Kaz Kojima <kkojima@gcc.gnu.org>
17656 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17657 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17658 (EXTRA_CONSTRAINT_C16): Remove.
17659 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17660 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17661 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17662 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17663 constants of SHmedia. Handle nested constant expressions of
17665 (andcosts): Fix the costs for SHmedia constants.
17666 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17667 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17668 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17669 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17670 (movv4hi_i, movv2si_i): Likewise.
17671 (movsi_const): Adjust the second operand of ior so to match with
17672 the Csu constraint.
17673 (movdi_const, movdi_const_32bit): Likewise.
17674 (movdi_const_16bit+1): Don't sign-extend LOW.
17675 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17677 (*double_shori): Fix the split condition. Use GEN_INT instead
17678 of get_int_mode calls. Mask lower 16-bit of the argument of
17680 (sym2GOTPLT): Remove.
17681 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17683 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17684 instead of EXTRA_CONSTRAINT_C16.
17686 2006-01-07 Ian Lance Taylor <ian@airs.com>
17687 David Edelsohn <edelsohn@gnu.org>
17689 PR rtl-optimization/25662
17690 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17691 for constant operands instead of simplify_gen_binary.
17692 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17693 after trying simplify_binary_operation
17695 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17697 * tree.c (iterative_hash_expr): Hash decls based on UID.
17699 2006-01-06 Eric Christopher <echristo@apple.com>
17701 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17702 (TARGET_UNWIND_EMIT): Fix spelling.
17703 * target.h (gcc_target): Add except_table_label.
17704 * except.c (output_function_exception_table): Use.
17705 * varasm.c (default_emit_except_table_label): New.
17706 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17708 (asm_out): Add here.
17709 * output.h (default_emit_except_table_label): Prototype.
17710 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17711 * config/darwin.c (darwin_emit_except_table_label): Define.
17712 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17714 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17716 PR tree-optimization/18527
17717 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17718 number_of_iterations_special, number_of_iterations_exit):
17719 Move base and step of an iv to a single structure. Add
17720 no_overflow flag, and use it in # of iterations analysis.
17721 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17722 folded_casts argument.
17723 (simple_iv): Pass base and step in a structure. Set no_overflow
17725 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17726 Evaluate expensiveness of computing # of iterations instead of
17727 the final expression.
17728 * tree-scalar-evolution.h (affine_iv): New structure.
17729 (simple_iv): Declaration changed.
17730 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17731 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17732 find_givs_in_stmt): Changed due to simple_iv change.
17734 2006-01-06 Jeff Law <law@redhat.com>
17737 * tree-cfg.c (bsi_replace): Rename final argument from
17738 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17739 change (stmt -> orig_stmt).
17740 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17741 (bsi_remove): Add new argument. Remove EH information
17743 (verify_eh_throw_table_statements): New function.
17744 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17746 * tree-optimize.c (execute_free_cfg_annotations): Verify
17747 the EH throw statement table after removing annotations.
17748 * except.h (verify_eh_throw_table_statements): Prototype.
17749 * tree-flow.h (bsi_remove): Update prototype.
17750 * tree-vrp.c (remove_range_assertions): Add new argument to
17752 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17753 * tree-complex.c (expand_complex_div_wide): Likewise.
17754 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17755 * tree-tailcall.c (eliminate_tailcall): Likewise.
17756 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17757 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17758 * tree-nrv.c (tree_nrv): Likewise.
17759 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17760 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17761 (combine_blocks): Likewise.
17762 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17763 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17764 (cleanup_control_flow): Likewise.
17765 (remove_forwarder_block): Likewise.
17766 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17767 * tree-sra.c (sra_replace): Likewise.
17768 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17769 (forward_propagate_single_use_vars): Likewise.
17770 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17771 * tree-inline.c (expand_call_inline): Likewise.
17772 * tree-vect-transform.c (vect_transform_loop): Likewise.
17773 * tree-outof-ssa.c (rewrite_trees): Likewise.
17774 * tree-cfg.c (make_goto_expr_edges): Likewise.
17775 (cleanup_dead_labels): Likewise.
17776 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17777 (bsi_move_before, bsi_move_after): Likewise.
17778 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17779 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17781 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17784 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17786 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17787 on non gimple variables. Also add checks at the top for decls and
17789 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17791 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17792 and IMAGPART_EXPR for creating MUST_DEFs.
17793 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17794 and NAME_MEMORY_TAG separately from the DECLs.
17796 2006-01-06 Richard Guenther <rguenther@suse.de>
17798 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17799 annotation, if necessary.
17800 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17801 redundant calls to update_stmt.
17802 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17805 2006-01-05 Richard Henderson <rth@redhat.com>
17807 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17809 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17811 * c-typeck.c: Update copyright date.
17813 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17815 * c-typeck.c (build_c_cast): Always warn when casting
17816 from a pointer to an integer of different size, even if
17817 the node was constant.
17819 2006-01-05 Richard Guenther <rguenther@suse.de>
17821 PR tree-optimization/22555
17822 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17823 if one structure field is an array.
17824 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17825 operands even if we found a subvar, but ignore VOPs in this
17827 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17829 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17831 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17833 PR middle-end/24998
17834 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17836 2006-01-05 Richard Guenther <rguenther@suse.de>
17837 Diego Novillo <dnovillo@redhat.com>
17839 * tree-pass.h (TODO_remove_unused_locals): Define.
17840 * gimple-low.c (expand_var_p, remove_useless_vars,
17841 pass_remove_useless_vars): Remove. Update all users.
17842 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17843 (remove_unused_locals): New function.
17844 * tree-flow.h (remove_unused_locals): Declare.
17845 * passes.c (execute_todo): Call remove_unused_locals if
17846 TODO_remove_unused_locals is set.
17847 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17848 * tree-ssa-dce.c (pass_dce): Likewise.
17849 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17851 2006-01-05 Richard Guenther <rguenther@suse.de>
17853 * tree-flow.h (struct fieldoff): Decompose field to
17854 type, size and decl.
17855 * tree-ssa-alias.c (create_sft): Take type as parameter.
17856 (create_overlap_variables_for): Store type, size and decl
17857 in the fieldoff structure.
17858 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17859 of struct fieldoff.
17860 (push_fields_onto_fieldstack): Likewise.
17861 (create_variable_info_for): Likewise. Use offset for the
17862 SFT name if the decl is not available.
17864 2006-01-04 Paul Brook <paul@codesourcery.com>
17866 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17868 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17870 * lambda-code.c (can_put_in_inner_loop): Relax
17872 (can_put_after_inner_loop): New function.
17873 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17874 (perfect_nestify): Change to make copies and modify uses.
17876 2006-01-04 Richard Henderson <rth@redhat.com>
17878 Merge from gomp branch:
17879 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17880 via integer constant.
17881 (pragma_lex): Remove.
17882 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17883 rather than parsing it.
17884 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17885 handle_pragma_extern_prefix): Add %< %> quotes.
17886 (registered_pragmas): New.
17887 (c_register_pragma_1): New.
17888 (c_register_pragma): Use it.
17889 (c_register_pragma_with_expansion): Likewise.
17890 (c_invoke_pragma_handler): New.
17891 (init_pragma): Use cpp_register_deferred_pragma directly for
17893 * c-pragma.h (enum pragma_kind): New.
17894 (pragma_handler): New.
17895 (c_invoke_pragma_handler): Declare.
17896 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17898 * c-common.h (c_common_pch_pragma): Update decl.
17899 * Makefile.in (c-parser.o): Update dependencies.
17900 (GTFILES): Add c-pragma.h.
17901 * c-parser.c (struct c_token): Add pragma_kind.
17902 (struct c_parser): Add in_pragma.
17903 (c_lex_one_token): Always initialize keyword and pragma_kind.
17904 Extract data for CPP_PRAGMA.
17905 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17906 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17907 Don't allow CPP_PRAGMA_EOL if in_pragma.
17908 (c_parser_consume_pragma): New.
17909 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17910 (c_parser_skip_to_end_of_parameter): Likewise.
17911 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17912 (c_parser_skip_to_pragma_eol): New.
17913 (c_parser_external_declaration): Handle CPP_PRAGMA.
17914 (c_parser_compound_statement_nostart): Likewise.
17915 (c_parser_statement_after_labels): Likewise.
17916 (c_parser_pragma): New.
17917 (pragma_lex): Likewise.
17918 (c_parser_pragma_pch_preprocess): New.
17919 (c_parser_new): Merge into ...
17920 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17922 2006-01-04 Jeff Law <law@redhat.com>
17925 * tree-cfg.c (bsi_replace): Remove the original statement
17926 from the EH throw statement table.
17928 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17930 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17931 make the prototype extern "C" and add throw ().
17934 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17935 and pos non-negative and pos + len <= 32.
17936 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17937 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17938 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17941 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17942 as well as sizes not multiple of component size.
17945 * function.c (instantiate_expr): New function.
17946 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17947 walk its DECL_VALUE_EXPR with instantiate_expr.
17949 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17950 DW_OP_deref{,_size} if address isn't going to be added.
17952 2006-01-04 Ben Elliston <bje@au.ibm.com>
17954 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17955 * config/fp-bit.c: Likewise.
17957 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17959 * dominance.c: Add comment about why we use DFS numbering
17962 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17963 Richard Henderson <rth@redhat.com>
17965 Merge from gomp-branch:
17966 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17967 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17969 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17971 PR rtl-optimization/25578
17972 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17973 pass a parameter to simplify_shift_const if changing ASHIFTRT
17976 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17978 * builtins.c (get_builtin_sync_mem): New function.
17979 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17980 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17981 Call get_builtin_sync_mem to generate mem rtx.
17983 2006-01-03 Richard Guenther <rguenther@suse.de>
17986 * stmt.c (add_case_node): Make sure to clear overflow flags
17989 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17991 Merge from gomp-branch.
17992 * config/sparc/sync.md: New file.
17993 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17994 UNSPECV_LDSTUB): New constants.
17995 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17996 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17997 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18000 2006-01-03 Roger Sayle <roger@eyesopen.com>
18002 * combine.c (reg_subword_p): New predicate to test whether the
18003 destination of a set refers to a subword/piece of a register.
18004 (try_combine): Generalize the code to merge the setting of a
18005 pseudo to a constant followed by a set of a subword of that
18006 register to a constant.
18008 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18010 * basic-block.h (control_flow_graph): Change the type of
18011 x_label_to_block_map to VEC(basic_block,gc) *.
18012 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18013 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18015 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18016 VEC(basic_block,heap) *.
18017 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18018 ssa_prop_fini): Adjust the uses of cfg_blocks.
18020 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18022 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18024 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18025 hashing trees instead of a pointer hash.
18026 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18027 compare for MEM_EXPR.
18029 PR rtl-optimization/25130
18030 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18031 when comparing MEMs for GCSE
18033 2006-01-03 Ben Elliston <bje@au.ibm.com>
18035 * targhooks.h (default_decimal_float_supported_p): Declare.
18036 * targhooks.c (default_decimal_float_supported_p): Define.
18037 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18038 `default_decimal_float_supported_p'.
18039 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18041 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18043 * combine.c (apply_distributive_law <SUBREG>): Check
18044 TRULY_NOOP_TRUNCATION.
18046 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18048 * dwarf2out.c (have_switched_text_section): Delete.
18049 (have_multiple_function_sections): New.
18050 (have_location_lists): Make 'bool'.
18051 (add_AT_loc_list): Use 'true' not '1'.
18052 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18053 (output_loc_list): Use have_multiple_function_sections.
18054 (output_ranges): Likewise.
18055 (dwarf2out_begin_function): Set have_multiple_function_sections if
18057 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18058 Check function_section rather than DECL_SECTION_NAME.
18059 (dwarf2out_finish): Use have_multiple_function_sections.
18060 Don't clear have_location_lists.
18062 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18063 Jan Hubicka <jh@suse.cz>
18065 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18066 case of conditional jump jumping to the next instruction.
18067 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18068 cases of conditional jump jumping to the next instruction.
18070 2006-01-02 Jan Hubicka <jh@suse.cz>
18072 * i386.c (*_cost): Add COSTS_N_INSNS.
18073 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18075 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18078 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18080 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18082 * config/arm/arm.c (all_fpus): Fix comment typo.
18083 * config/darwin.c: Likewise.
18084 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18085 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18086 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18088 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18090 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18091 (rs6000_split_compare_and_swapqhi): New.
18092 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18093 (sync_compare_and_swapqhi_internal): New.
18094 * config/rs6000/rs6000-protos.h: Declare.