1 2006-11-10 Jan Hubicka <jh@suse.cz>
3 * final.c (final): Walk from first instruction.
4 * cfglayout.c (insn_locators_initialize): Remove line number notes.
6 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
9 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
11 (umulv8hi3_highpart): Ditto.
12 (vec_widen_smult_hi_v8hi): New expander.
13 (vec_widen_smult_lo_v8hi): Ditto.
15 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17 * builtins.c (do_mpfr_arg3): New.
18 (fold_builtin_1): Handle builtins fma, fmin and fmax.
20 2006-11-09 Eric Christopher <echristo@apple.com>
25 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
26 * config.gcc (powerpc64-*-darwin*): New target.
28 * config/rs6000/darwin64.h: New file.
29 * config/rs6000/x-darwin64: Ditto.
30 * config/rs6000/host-ppc64-darwin.c: Ditto.
32 2006-11-09 Steve Ellcey <sje@cup.hp.com>
34 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
35 routines for integer division.
37 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
39 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
41 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
44 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
46 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
48 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
49 simplify_subreg with BLKmode outer mode.
51 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
53 * doc/invoke.texi: Minor formatting fixes in option lists.
55 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
57 PR tree-optimization/29738
58 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
59 (ccp_lattice_t): Remove UNKNOWN_VAL.
60 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
61 Do not handle UNKNOWN_VAL.
62 (get_default_value): Set initial value of virtual operands to
64 (get_value): Always use get_default_value on uninitialized
66 (set_value_varying, surely_varying_stmt_p): New functions.
67 (set_lattice_value): Do not pass argument to get_value.
68 Do not handle UNKNOWN_VAL.
69 (likely_value): Follow the semantics described in the comment.
70 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
71 phi nodes DONT_SIMULATE_AGAIN.
72 (ccp_fold): Do not pass argument to get_value.
73 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
76 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
78 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
79 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
81 2006-11-08 Roger Sayle <roger@eyesopen.com>
83 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
84 test for inclusion rather than as a test for exclusion.
85 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
86 the condition after calling fold_binary.
87 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
88 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
89 * builtins.c (fold_builtin_isascii): Likewise.
90 (fold_builtin_isdigit): Likewise.
92 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
94 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
95 * configure: Regenerate.
97 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
99 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
100 enum argument instead of bool.
101 (vect_analyze_operations): Call vectorizable_type_promotion.
102 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
103 stmt_vec_info_type value.
104 (supportable_widening_operation, vectorizable_type_promotion): New
105 function declarations.
106 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
107 (vectorizable_type_promotion): New function.
108 (vect_transform_stmt): Call vectorizable_type_promotion.
109 * tree-vect-analyze.c (supportable_widening_operation): New function.
110 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
112 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
115 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
116 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
117 * tree-inline.c (estimate_num_insns_1): Add cases for above new
119 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
120 * expr.c (expand_expr_real_1): Likewise.
121 * optabs.c (optab_for_tree_code): Likewise.
122 (init_optabs): Initialize new optabs.
123 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
124 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
125 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
126 vec_unpacku_lo_optab): Initialize new optabs.
127 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
128 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
129 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
131 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
132 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
133 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
134 (vec_unpacku_lo_optab): New optabs.
135 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
136 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
137 (vec_widen_smult_hi, vec_widen_smult_lo): New.
138 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
139 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
140 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
142 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
143 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
144 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
145 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
146 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
147 implement the unsigned unpacking patterns.
148 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
149 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
150 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
151 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
152 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
153 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
154 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
155 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
156 multiplication patterns.
158 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
159 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
160 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
161 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
162 (rs6000_builtin_mul_widen_odd): New.
163 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
164 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
165 * tree-vectorizer.h (enum vect_relevant): New enum type.
166 (_stmt_vec_info): Field relevant chaned from bool to enum
168 (STMT_VINFO_RELEVANT_P): Updated.
169 (STMT_VINFO_RELEVANT): New.
170 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
171 instead of STMT_VINFO_RELEVANT_P.
172 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
173 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
174 and boolean variable with enum vect_relevant.
175 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
176 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
177 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
179 2006-11-08 Richard Henderson <rth@redhat.com>
181 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
182 vec_widen_umult_lo_v8hi): New.
183 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
184 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
186 * config/i386/i386.c (ix86_expand_sse_unpack): New.
187 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
188 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
189 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
190 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
191 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
192 vec_unpacks_lo_v4si): New.
194 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
196 * tree-vect-transform.c (vectorizable_type_demotion): New function.
197 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
198 (vect_analyze_operations): Call vectorizable_type_demotion.
199 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
200 stmt_vec_info_type value.
201 (vectorizable_type_demotion): New function declaration.
202 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
205 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
206 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
208 * tree-iniline.c (estimate_num_insns_1): Likewise.
209 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
210 * optabs.c (optab_for_tree_code): Likewise.
212 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
213 compared against the predicate of the result is not 'mode' (the input
214 to the function) but a mode with half the size of 'mode'.
215 (init_optab): Initialize new optabs.
216 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
218 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
220 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
221 (vec_pack_usat_optab): Initialize new optabs.
222 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
223 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
225 2006-11-08 Richard Henderson <rth@redehat.com>
227 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
228 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
229 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
230 (vec_interleave_highv4si, vec_interleave_lowv4si):
231 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
233 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
235 * tree-vect-transform.c (vectorizable_reduction): Support multiple
237 (vect_transform_stmt): Removed redundant code.
239 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
241 * tree-vect-transform.c (vectorizable_operation): Support multiple
244 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
246 * tree-vect-transform.c (vect_align_data_ref): Removed.
247 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
248 Updated function documentation. Return the increment stmt in ptr_incr.
249 (bump_vector_ptr): New function.
250 (vect_get_vec_def_for_stmt_copy): New function.
251 (vect_finish_stmt_generation): Create a stmt_info to newly created
253 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
255 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
256 VF is greater than the number of elements that can fit in one vector
258 (vectorizable_operation, vectorizable_condition): Likewise.
259 (vectorizable_store, vectorizable_load): Support the case that the VF
260 is greater than the number of elements that can fit in one vector word.
261 (vect_transform_loop): Don't fail in case of multiple data-types.
262 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
263 in case of multiple data-types; the smallest type determines the VF.
264 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
265 if they are of different sizes.
266 (vect_update_misalignment_for_peel): Compare misalignments in terms of
267 number of elements rather than number of bytes.
268 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
269 (vect_can_advance_ivs_p): Fix a dump printout
271 2006-11-07 Eric Christopher <echristo@apple.com>
273 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
275 * libgcc2.h: Remove transformation of bswap routines.
276 * config/i386/i386.md (bswapsi2): New.
279 2006-11-07 Jakub Jelinek <jakub@redhat.com>
281 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
282 (handle_gnu_inline_attribute): New function.
283 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
284 (merge_decls, start_decl, start_function): Likewise.
285 * doc/extend.texi: Document gnu_inline attribute.
287 2006-11-07 Steve Ellcey <sje@cup.hp.com>
290 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
291 _fixunstfdi, and _floatditf
293 2006-11-06 Anatoly Sokolov <aesok@post.ru>
295 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
297 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
298 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
299 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
300 which start in an odd register.
302 2006-11-07 Richard Sandiford <richard@codesourcery.com>
304 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
306 2006-11-07 Josh Conner <jconner@apple.com>
308 * doc/invoke.texi (fstrict-aliasing): Move implementation
310 * doc/tree-ssa.texi (Alias analysis): ...here.
312 2006-11-07 Richard Guenther <rguenther@suse.de>
314 PR tree-optimization/29610
315 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
316 of tree_purge_dead_eh_edges as it may free dominators.
318 * g++.dg/other/pr29610.C: New testcase.
320 2006-11-07 David Ung <davidu@mips.com>
322 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
323 costs when optimizing for size.
324 (override_options): Use mips_rtx_cost_optimize_size table for cost
327 2006-11-07 Jie Zhang <jie.zhang@analog.com>
329 * gcc.c (process_command): Treat -b as normal switch if its argument
332 2006-11-07 David Ung <davidu@mips.com>
334 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
337 2006-11-06 Eric Christopher <echristo@apple.com>
339 * config.gcc: Add x86_64-darwin host support.
340 * config.host: Ditto.
341 * config/i386/darwin64.h: New file.
342 * config/i386/t-darwin64: Ditto.
344 2006-11-06 Janis Johnson <janis187@us.ibm.com>
346 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
347 and output-exists-not.
349 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
352 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
353 checking for overflow.
355 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
357 * configure.ac: Fixed typo in case statement: :: changed to ;;
359 2006-11-06 Bob Wilson <bob.wilson@acm.org>
361 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
362 count_leading_zeros, and count_trailing_zeros.
363 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
364 (TARGET_FOLD_BUILTIN): Define.
365 (TARGET_EXPAND_BUILTIN): Define.
366 (xtensa_init_builtins): New.
367 (xtensa_fold_builtin): New.
368 (xtensa_expand_builtin): New.
369 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
370 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
371 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
372 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
373 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
374 (any_extend): New code macro.
375 (u, su): New code attributes.
376 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
377 (nsau): Remove; replaced by clzsi2.
378 (ffssi2): Use clzsi2.
379 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
380 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
381 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
382 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
383 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
385 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
387 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
389 * config/arm/t-strongarm-elf: Likewise.
390 * config/arm/t-pe: Likewise.
391 * config/arm/t-arm-elf: Likewise.
392 * config/arm/t-xscale-elf: Likewise.
393 * config/arm/t-arm-coff: Likewise.
394 * config/arm/t-xscale-coff: Likewise.
395 * config/arm/t-wince-pe: Likewise.
397 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
399 * config/sh/lib1funcs-4-300.asm: Guard entire file with
402 2006-11-05 Jakub Jelinek <jakub@redhat.com>
405 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
408 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
411 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
412 as a valid 80387 constant.
413 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
414 * config/i386/i386.md (unnamed splitter): Split the load of
415 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
418 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
420 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
421 from the soft-frame, argument and virtual registers.
423 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
425 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
426 patterns for standard 80387 constants.
428 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
429 Steven Bosscher <steven@gcc.gnu.org>
431 * fwprop.c: New file.
432 * Makefile.in: Add fwprop.o.
433 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
434 * passes.c (init_optimization_passes): Schedule forward propagation.
435 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
437 * timevar.def (TV_FWPROP): New.
438 * common.opt (-fforward-propagate): New.
439 * opts.c (decode_options): Enable forward propagation at -O2.
440 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
441 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
442 canon_for_address, table_size): Remove.
443 (new_basic_block, insert, remove_from_table): Remove references to
445 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
446 simplification loop more straightforward by not calling fold_rtx
448 (equiv_constant): Move here a small part of fold_rtx_subreg,
449 do not call fold_rtx. Call avoid_constant_pool_reference
451 * recog.h (canonicalize_change_group): New.
453 * doc/invoke.texi (Optimization Options): Document fwprop.
454 * doc/passes.texi (RTL passes): Document fwprop.
456 2006-11-03 Geoffrey Keating <geoffk@apple.com>
458 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
459 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
460 (grokdeclarator): Likewise.
462 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
464 * tree-dump.c (dump_enable_all): Rename local variable
465 ir_type to avoid name conflicts.
466 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
467 instead of using ir_type().
468 * profile.c (tree_register_profile_hooks): Likewise.
469 * value-prof.c (tree_register_value_prof_hooks): Likewise.
470 * basic-block.h (struct edge_def): Likewise.
471 * config/arm/arm.c (legitimize_pic_address): Likewise.
472 * coretypes.h (ir_type): New enum of all intermediate languages
474 * cfghooks.c (ir_type): Rename to...
475 (current_ir_type): ...this. Distinguish between cfgrtl and
476 cfglayout mode when the current IR is RTL. Return enum ir_type.
477 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
479 2006-11-03 Paul Brook <paul@codesourcery.com>
481 * config/arm/arm.c (arm_file_start): New function.
482 (TARGET_ASM_FILE_START): Define.
483 (arm_default_cpu): New variable.
484 (arm_override_options): Set arm_default_cpu.
486 2006-11-03 David Ung <davidu@mips.com>
488 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
489 PROCESSOR_24KC and PROCESSOR_24KF.
490 * config/mips/mips.c (mips_cpu_info_table): Add processor names
491 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
492 (mips_rtx_cost_data): Add costs for the 24kc.
493 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
494 * config/mips/24k.md: Remove references to 24k and replace with
495 uses of 24kc/24kf in the appropriate reservations.
496 * doc/invoke.texi (MIPS Options): Updated.
498 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
500 * config/sh/crt1.asm: Fix #ifdef indent.
502 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
503 Merged from STMicroelectronics sources:
504 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
505 * config/sh/crt1.asm (vbr_600): Add missing #if.
506 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
507 * sh.opt (mfused-madd): New option.
508 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
509 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
510 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
511 Remove pointless handler at VBR+0.
512 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
513 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
514 fr7. Make sure the timer handler is called with the correct FPU
515 precision setting, according to the ABI.
516 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
517 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
518 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
519 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
520 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
521 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
522 zero as second operand.
523 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
524 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
525 Fixed some bugs related to negative values, in particular -0
526 and overflow at -0x80000000.
527 * config/sh/divcost-analysis: Added sh4-300 figures.
528 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
529 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
530 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
531 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
532 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
533 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
535 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
537 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
538 SH4-300 scheduling description & fixes to SH4-[12]00 description:
539 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
540 mac_mem, mem_mac, dfp_mul, fp_cmp.
541 (insn_class, dfp_comp, any_fp_comp): Update.
542 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
543 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
544 (muldf3_i): Likewise.
545 (movsi_i): Split rI08 alternative into two separate alternatives.
547 (movsi_ie, movsi_i_lowpart): Likewise.
548 (movqi_i): Split ri alternative into two separate alternatives.
550 * sh1.md (sh1_load_store, sh1_fp): Update.
551 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
552 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
553 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
554 (sh4a_fp_double_arith): Likewise.
555 * sh4-300.md: New file.
556 * sh.c (sh_handle_option): Handle m4-300* options.
557 (sh_adjust_cost): Fix latency of auto-increments.
558 Handle SH4-300 differently than other SH4s. Check for new insn types.
559 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
560 been set by an option.
561 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
562 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
563 (mbranch-cost=): Likewise.
564 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
566 * sh.md (mulsf3): Remove special expansion code.
567 (mulsf3_ie): Now a define_insn_and_split.
568 (macsf3): Allow for TARGET_SH4.
570 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
571 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
572 (expand_cbranchdi4): Likewise.
573 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
574 CONST_DOUBLE if the outer code is COMPARE.
575 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
576 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
577 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
578 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
579 Remove redundant fp_{zero,one}_operand checks.
580 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
581 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
582 (expand_cbranchdi4): Likewise.
583 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
584 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
586 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
588 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
591 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
593 * doc/invoke.texi: Fix mfp-trap-mode typo.
595 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
597 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
598 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
599 file_end_indicate_exec_stack.
600 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
602 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
603 for a non-executable stack.
604 * crti.asm: Likewise.
605 * crtn.asm: Likewise.
606 * libunwind.S: Likewise.
608 2006-11-02 Ben Elliston <bje@au.ibm.com>
610 * tree-ssa.c (warn_uninit): Use expand_location variables for
611 locus and declaration locus.
613 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
616 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
617 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
618 cmp{eq,gt,gtu}{si,di}_media.
619 (*cmpne0si_media): Remove.
620 (*movsicc_umin): Adjust gen_cmp*_media call.
621 (unordered): Change the mode of unordered and operands[1] to
623 (seq): Adjust gen_cmp*_media calls. Make the mode of
624 a temporary result of compare SImode if needed. If the mode
625 of operands[0] is DImode, extend the temporary result to DImode.
626 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
627 (sunorderd): Change the mode of match_operand and unorderd to
629 (cmpeq{sf,df}_media): Remove.
630 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
631 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
632 and compare operation to SImode.
634 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
636 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
638 (sparc64-sun-solaris2*): Likewise.
640 2006-11-02 Paul Brook <paul@codesourcery.com>
642 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
643 from priority argument. Use different section for non-default
645 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
647 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
650 * except.c (switch_to_exception_section): Do not cache the section
651 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
652 and flag_function_sections is set.
654 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
657 * builtins.c (do_mpfr_sincos): New.
658 (fold_builtin_1): Use it to fold builtin sincos.
660 2006-11-01 Roger Sayle <roger@eyesopen.com>
662 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
663 it into -D_REENTRANT.
665 2006-11-01 Roger Sayle <roger@eyesopen.com>
667 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
668 whether the assembler supports taking the difference of symbols in
669 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
670 * configure: Regenerate.
671 * config.in: Regenerate.
672 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
673 the assembler doesn't support taking the difference of symbols in
674 different sections, i.e. we're using the native solaris assembler.
676 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
677 Peter Bergner <bergner@vnet.ibm.com>
679 * doc/invoke.texi: Add cpu_type power6x
680 (RS/6000 and PowerPC Options): Add -mmfpgpr.
681 * config.gcc: Add cpu_type power6x.
682 * configure.ac: Add test for mf{t,f}gpr instructions.
683 (HAVE_AS_MFPGPR): New.
684 * config.in: Regenerate.
685 * configure: Regenerate.
686 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
687 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
688 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
689 and mftgpr attributes.
690 (define_attr "cpu"): Add power6.
691 Change instruction sequences to use new attributes.
692 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
693 (fix_truncdfsi2_mfpgpr): New.
694 (floatsidf_ppc64_mfpgpr): New.
695 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
696 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
697 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
698 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
699 (fix_truncdfsi2): Use gpc_reg_operand constraint.
700 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
701 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
702 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
703 cntlz,exts and var_delayed_compare.
704 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
705 _ARCH_PWR6X, if features enabled.
706 * config/rs6000/rs6000.opt (mmfpgpr): New.
707 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
708 (cached_can_issue_more): New variable.
709 (processor_costs): Add power6_cost.
710 (rs6000_sched_init): New function.
711 (is_dispatch_slot_restricted): Deleted.
712 (set_to_load_agen): New function.
713 (is_load_insn,is_store_insn): New functions.
714 (adjacent_mem_locations): New function.
715 (insn_must_be_first_in_group): New function.
716 (insn_must_be_last_in_group): New function.
717 (rs6000_sched_reorder): New function.
718 (rs6000_sched_reorder2): New function.
719 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
720 TARGET_SCHED_REORDER2): Define.
721 (processor_target_table): Use PROCESSOR_POWER6 for power6.
722 Add power6x. Add MASK_MFPGPR for power6x.
723 (POWERPC_MASKS): Add MASK_MFPGPR.
724 (rs6000_override_options): Set rs6000_always_hint to false
725 for power6. Set rs6000_align_branch_targets. Replace
726 rs6000_sched_groups check with rs6000_align_branch_targets.
727 Use PROCESSOR_POWER6.
728 (last_scheduled_insn): New variable.
729 (load_store_pendulum): New variable.
730 (rs6000_variable_issue): Set last_scheduled_insn and
731 cached_can_issue_more.
732 (rs6000_adjust_cost): Add power6 cost adjustments.
733 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
734 with insn_must_be_first_in_group. Add power6 priority adjustments.
735 (rs6000_issue_rate): Add CPU_POWER6.
736 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
737 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
738 (TARGET_MFPGPR): New.
739 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
740 (ASM_CPU_SPEC): Add power6x.
741 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
743 * config/rs6000/power6.md: New file.
745 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
747 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
748 HOST_WIDE_INT_PRINT to print high and low parts. Use
749 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
750 printing a hexadecimal number prefix it with 0x.
752 2006-11-01 Chris Johns <chris@contemporary.net.au>
755 * Makefile.in (install-driver): Use exeext when installing
756 $target-gcc-$version.
758 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
760 * c-common.c (flag_cpp0x): New.
761 * c-common.h (flag_cpp0x): New.
762 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
763 supported, define __GXX_EXPERIMENTAL_CPP0X__.
764 * c-opts.c (set_std_cxx0x): New.
765 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
766 * c.opt (std=c++0x): Document.
767 (std=gnu++0x): Ditto.
768 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
769 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
771 2006-11-01 Richard Guenther <rguenther@suse.de>
773 * config/i386/i386.c (ix86_expand_rint): Fix issues with
775 (ix86_expand_floorceildf_32): Likewise.
776 (ix86_expand_floorceil): Likewise.
777 (ix86_expand_trunc): Likewise.
779 2006-10-31 Andrew Pinski <pinskia@gmail.com>
781 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
784 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
786 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
788 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
790 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
792 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
793 * configure.ac (use_cxa_atexit): As a special case, don't test
794 for libc definition of __cxa_atexit on mingw32
795 * configure: Regenerate.
796 * config.gcc (i[34567]86-pc-mingw32): Default to
797 enable__cxa_atexit=yes.
799 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
801 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
803 2006-10-31 Geoffrey Keating <geoffk@apple.com>
806 * c-decl.c (start_struct): Don't create self-containing
808 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
810 * config/rs6000/rs6000-protos.h
811 (darwin_rs6000_special_round_type_align): New.
812 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
813 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
815 2006-10-31 Geoffrey Keating <geoffk@apple.com>
817 * toplev.c (compile_file): Call final_write_globals
818 even if there have been errors.
820 2006-10-31 Eric Christopher <echristo@apple.com>
821 Falk Hueffner <falk@debian.org>
823 * doc/extend.texi (__builtin_bswap32): Document.
824 (__builtin_bswap64): Ditto.
825 * doc/libgcc.texi (bswapsi2): Document.
827 * doc/rtl.texi (bswap): Document.
828 * optabs.c (expand_unop): Don't widen a bswap.
829 (init_optabs): Init bswap. Set libfuncs explicitly
830 for bswapsi2 and bswapdi2.
831 * optabs.h (OTI_bswap): New.
832 (bswap_optab): Ditto.
833 * genopinit.c (optabs): Handle bswap_optab.
834 * tree.h (tree_index): Add TI_UINT32_TYPE and
836 (uint32_type_node): New.
837 (uint64_type_node): Ditto.
838 * tree.c (build_common_tree_nodes_2): Initialize
839 uint32_type_node and uint64_type_node.
840 * builtins.c (expand_builtin_bswap): New.
841 (expand_builtin): Call.
842 (fold_builtin_bswap): New.
843 (fold_builtin_1): Call.
844 * fold-const.c (tree_expr_nonnegative_p): Return true
846 * builtin-types.def (BT_UINT32): New.
848 (BT_FN_UINT32_UINT32): Ditto.
849 (BT_FN_UINT64_UINT64): Ditto.
850 * builtins.def (BUILT_IN_BSWAP32): New.
851 (BUILT_IN_BSWAP64): Ditto.
852 * rtl.def (BSWAP): New.
853 * genattrtab.c (check_attr_value): New.
854 * libgcc2.c (__bswapSI2): New.
856 * libgcc2.h (__bswapSI2): Declare.
858 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
859 * simplify-rtx.c (simplify_const_unary_operation): Return
861 * libgcc-std.ver (__bwapsi2): Add.
863 * reload1.c (eliminate_regs_1): Add bswap.
864 (elimination_effects): Ditto.
865 * config/i386/i386.h (x86_bswap): New.
867 * config/i386/i386.c (x86_bswap): Set.
869 2006-10-31 Geoffrey Keating <geoffk@apple.com>
871 * coverage.c (coverage_checksum_string): Update comment.
872 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
873 of get_file_function_name.
874 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
875 of get_file_function_name_long.
876 * tree.c (get_file_function_name): Rename from
877 get_file_function_name_long; improve comment; handle 'I' and 'D'
878 specially when the target has ctor/dtor support; remove special
880 (get_file_function_name): Remove.
881 * tree.h (get_file_function_name): Rename from
882 get_file_function_name_long.
883 (get_file_function_name): Remove prototype.
885 2006-10-31 Geoffrey Keating <geoffk@apple.com>
887 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
888 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
890 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
891 Call dsymutil when compiling and linking one or more source files
894 2006-10-31 Geoffrey Keating <geoffk@apple.com>
897 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
899 2006-10-31 Geoffrey Keating <geoffk@apple.com>
901 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
902 inline static functions in c99 mode.
905 * doc/extend.texi (Inline): Update.
906 * c-tree.h (struct language_function): Remove field 'extern_inline'.
907 * c-decl.c (current_extern_inline): Delete.
908 (pop_scope): Adjust test for an undefined nested function.
909 Add warning about undeclared inline function.
910 (diagnose_mismatched_decls): Update comments. Disallow overriding
911 of inline functions in a translation unit in C99. Allow inline
912 declarations in C99 at any time.
913 (merge_decls): Boolize variables. Handle C99 'extern inline'
915 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
916 C99 inline semantics.
917 (start_function): Don't clear current_extern_inline. Don't set
919 (c_push_function_context): Don't push current_extern_inline.
920 (c_pop_function_context): Don't restore current_extern_inline.
923 * c-typeck.c (build_external_ref): Warn about static variables
924 used in extern inline functions.
925 * c-decl.c (start_decl): Warn about static variables declared
926 in extern inline functions.
928 2006-10-31 Roger Sayle <roger@eyesopen.com>
931 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
932 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
933 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
934 or y is an even integer.
936 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
939 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
940 * gthr-posix95.h (__gthread_active_p): Likewise.
942 2006-10-31 Richard Guenther <rguenther@suse.de>
944 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
945 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
946 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
947 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
948 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
949 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
950 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
951 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
954 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
956 * opts.c (decode_options): Disable CSE skip blocks.
958 2006-10-30 Dirk Mueller <dmueller@suse.de>
960 * c-common.h (strict_aliasing_warning): Fix whitespace.
961 * c-decl (start_function): Move code for main decl warning ..
962 * c-common.c (check_main_parameter_types): .. here.
963 * c-common.h (check_main_parameter_types): Declare.
965 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
968 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
970 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
972 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
973 be a PARALLEL containing sets. Return false when out_pat is not
976 2006-10-30 Richard Sandiford <richard@codesourcery.com>
978 * config/mips/mips.md (mul<mode>3): Split into...
979 (mulsi3, muldi3): ...these separate patterns.
981 2006-10-30 Richard Sandiford <richard@codesourcery.com>
983 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
984 but with each set of options separated by spaces.
986 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
988 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
989 dwarf_reg_size_table has been initialized.
991 2006-10-30 Roger Sayle <roger@eyesopen.com>
993 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
994 * ddg.c (print_ddg_edge): Likewise.
995 * dwarf2out.c (prune_unused_types_walk): Likewise.
996 * ifcvt.c (noce_try_cmove_arith): Likewise.
997 * langhooks.c (add_builtin_function): Likewise.
998 * reg-stack.c (subst_stack_regs_pat): Likewise.
999 * tree.c (expanded_location): Likewise.
1000 * tree-dump.c (dequeue_and_dump): Likewise.
1002 2006-10-30 David Daney <ddaney@avtrex.com>
1004 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1006 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1008 PR tree-optimization/29637
1009 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1010 of the innertype is the innertype itself.
1012 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1014 * dwarf2out.c (file_name_acquire): Correct typo.
1016 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1018 * tree.h (tree_value_handle): Remove struct value_set declaration.
1019 Change value_set to bitmap_set.
1020 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1021 * tree-vn.c (get_value_handle): Made inline and moved to
1023 * tree-flow-inline.h: (has_stmt_ann): New function.
1024 * tree-ssa-pre.c (expressions): New variable.
1025 (next_expression_id): Ditto.
1026 (alloc_expression_id): New function.
1027 (struct value_set): Remove.
1028 (get_expression_id): New function.
1029 (get_or_alloc_expression_id): Ditto.
1030 (expression_for_id): Ditto.
1031 (clear_expression_ids): Ditto.
1032 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1033 (bb_value_sets): Renamed to bb_bitmap_sets.
1034 All value sets replaced with bitmap_sets.
1036 (BB_VISITED): New macro.
1037 (postorder): New variable.
1038 (add_to_value): Removed.
1039 (value_exists_in_set_bitmap): Ditto.
1040 (value_insert_into_set_bitmap): Ditto.
1043 (set_remove): Ditto.
1044 (set_contains_value): Ditto.
1045 (insert_into_set): Ditto.
1047 (find_leader): Ditto.
1048 (bitmap_set_subtract_from_value_set): Ditto.
1049 (value_insert_into_set): Ditto.
1050 (print_value_set): Ditto.
1051 (debug_value_set): Ditto.
1052 (constant_expr_p): New function.
1053 (bitmap_remove_from_set): Ditto.
1054 (bitmap_insert_into_set): Ditto.
1055 (bitmap_set_free): Ditto.
1056 (vh_compare): Ditto.
1057 (sorted_array_from_bitmap_set): Ditto.
1058 (bitmap_set_subtract): Ditto.
1059 (bitmap_set_equal): Ditto.
1060 (debug_bitmap_set): Ditto.
1061 (find_leader_in_sets): Ditto.
1062 (bitmap_set_replace_value): Modify for bitmapped sets.
1063 (phi_translate): Ditto.
1064 (phi_translate_set): Ditto.
1065 (bitmap_find_leader): Ditto.
1066 (valid_in_sets): Ditto.
1067 (union_contains_value): Ditto.
1069 (compute_antic_aux): Ditto. Mark changed blocks.
1070 (compute_antic): Ditto. Iterate in postorder and only over
1072 (compute_rvuse_and_antic_safe): Reuse postorder.
1073 (create_component_ref_by_pieces): Modify for bitmapped sets.
1074 (find_or_generate_expression): Ditto.
1075 (create_expression_by_pieces): Ditto.
1076 (insert_into_preds_of_block): Ditto.
1077 (changed_blocks): New variable.
1078 (do_regular_insertion): Broken out from insert_aux.
1079 (insert_aux): Modified for bitmapped sets.
1080 (find_existing_value_expr): New function.
1081 (create_value_expr_from): Use it.
1082 (insert_extra_phis): Removed.
1083 (print_bitmap_set): Renamed from bitmap_print_value_set.
1084 (compute_avail): Handle RETURN_EXPR.
1085 (init_pre): Modify for bitmapped sets.
1086 * tree-flow.h (has_stmt_ann): New function.
1088 2006-10-29 Roger Sayle <roger@eyesopen.com>
1090 * builtins.c (fold_builtin_floor): Check for the availability of
1091 the C99 trunc function before transforming floor into trunc.
1093 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1095 * builtins.c (fold_builtin_hypot): Rearrange recursive
1096 transformation before others, and also do ABS_EXPR. When
1097 necessary, check flag_unsafe_math_optimizations. When necessary,
1100 2006-10-29 Roger Sayle <roger@eyesopen.com>
1102 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1103 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1104 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1105 Fold -X eq/ne -Y as X eq/ne Y.
1107 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1109 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1110 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1111 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1112 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1113 Use an inclusive test for "mult" rather than "mul".
1114 (rotr<mode>3): Depend on ISA_HAS_ROR.
1115 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1117 (GENERATE_MULT3_DI): Delete.
1118 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1119 (ISA_HAS_MUL3): New macro.
1120 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1121 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1122 (ISA_HAS_CLZ_CLO): Likewise.
1123 (ISA_HAS_DCLZ_DCLO): Delete.
1124 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1125 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1126 the VR4120 and VR4130.
1127 (ISA_HAS_MACCHI): Use consistent formatting.
1128 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1129 (ISA_HAS_ROR): ...this new macro.
1130 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1131 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1132 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1134 2006-10-29 Roger Sayle <roger@eyesopen.com>
1136 PR tree-optimization/15458
1137 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1140 2006-10-29 Richard Guenther <rguenther@suse.de>
1142 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1143 (ix86_expand_truncdf_32): Likewise.
1144 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1145 trunc inline for SSE math and -fno-trapping-math and if not
1146 optimizing for size.
1147 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1148 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1149 for expanding btrunc inline for SSE math.
1151 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1153 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1154 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1155 i[34567]86-*-solaris2.1[0-9]*.
1156 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1157 Define conditionally depending on TARGET_64BIT_DEFAULT.
1158 (SPEC_32, SPEC_64): Define.
1159 (LINK_SPEC): Use them.
1160 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1162 2006-10-29 Richard Guenther <rguenther@suse.de>
1164 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1165 (ix86_expand_rounddf_32): Likewise.
1166 * config/i386/i386.c (ix86_expand_round): New function expanding
1167 round inline for SSE math and -fno-trapping-math and if not
1168 optimizing for size.
1169 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1170 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1171 round via ix86_expand_round.
1173 2006-10-29 Richard Guenther <rguenther@suse.de>
1175 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1176 (ix86_expand_floorceildf_32): Likewise.
1177 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1178 static helper function.
1179 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1181 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1182 * config/i386/i386.md (floordf2): Adjust to enable floor
1183 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1184 -fno-trapping-math is enabled and if not optimizing for size.
1185 (floorsf2, ceildf2, ceilsf2): Likewise.
1186 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1187 (sse2_maskcmpdf3): Likewise.
1189 2006-10-29 Richard Guenther <rguenther@suse.de>
1191 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1192 rint in case -fno-trapping-math is enabled.
1193 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1194 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1195 (ix86_expand_sse_fabs): Likewise.
1196 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1197 * config/i386/i386.md (rintdf2): Enable for SSE math if
1198 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1199 (rintsf2): Likewise.
1201 2006-10-29 Richard Guenther <rguenther@suse.de>
1203 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1204 to conversion optabs.
1205 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1206 as conversion optab.
1207 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1208 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1209 (lfloor_optab, lceil_optab): Adjust defines.
1210 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1211 lfloor and lceil optabs now being conversion optabs.
1212 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1213 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1214 New static helper function.
1215 (ix86_expand_lfloorceil): New function to expand lfloor and
1217 * config/i386/i386.md (lfloor<mode>2): Split into ...
1218 (lfloorxf<mode>2): ... x87 variant
1219 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1220 using ix86_expand_lfloorceil.
1221 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1223 * doc/md.texi (lfloorMN, lceilMN): Document.
1225 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1227 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1228 -mno-shared assembler option on mips targets.
1229 * configure, config.in: Regenerate.
1230 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1231 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1232 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1234 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1236 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1237 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1239 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1241 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1242 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1245 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1248 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1249 (fold_builtin_pow): Evaluate constant arguments at compile-time
1251 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1252 (do_mpfr_ckconv): New helper function.
1253 (do_mpfr_arg1): Use do_mpfr_ckconv.
1254 (do_mpfr_arg2): New.
1256 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1259 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1260 (-fdump-rtl-sched): Rename to ..
1261 (-fdump-rtl-sched1): here. Also fix file extension number.
1263 2006-10-28 Richard Guenther <rguenther@suse.de>
1265 * fold-const.c (maybe_canonicalize_comparison): Fix code
1268 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1270 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1271 (NON_QI_REG_P): Use IN_RANGE.
1272 (REX_INT_REGNO_P): Use IN_RANGE.
1273 (FP_REGNO_P): Use IN_RANGE.
1274 (SSE_REGNO_P): Use IN_RANGE.
1275 (REX_SSE_REGNO_P): Use IN_RANGE.
1276 (MMX_REGNO_P): Use IN_RANGE.
1277 (STACK_REGNO_P): New macro.
1278 (STACK_REG_P): Use STACK_REGNO_P.
1279 (NON_STACK_REG_P): Use STACK_REGNO_P.
1280 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1281 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1282 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1283 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1284 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1286 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1288 * except.h (output_function_exception_table): Add 'const char*' param.
1289 * except.c (switch_to_exception_section): Add 'const char*' param.
1290 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1291 and flag_function_sections is set, use a function-specific section.
1292 (output_function_exception_table): Add 'const char*' param.
1293 Adjust call to switch_to_exception_section.
1294 * final.c (rest_of_handle_final): Adjust calls to
1295 output_function_exception_table.
1296 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1297 * config.in: Regenerate.
1298 * configure: Likewise.
1300 2006-10-28 Richard Guenther <rguenther@suse.de>
1303 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1304 for maybe_canonicalize_comparison.
1305 (maybe_canonicalize_comparison): New function for canonicalizing
1307 (fold_comparison): Call it to canonicalize comparisons with
1310 2006-10-28 Richard Guenther <rguenther@suse.de>
1313 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1314 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1315 (expand_builtin): Adjust likewise.
1316 * genopinit.c (optabs[]): Add lround optab.
1317 * optabs.c (init_optabs): Initialize lround_optab.
1318 * optabs.h (enum convert_optab_index): Add COI_lround.
1319 (lround_optab): Define.
1320 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1321 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1323 (ix86_expand_lround): New function.
1324 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1326 * doc/md.texi (lroundMN2): Document.
1328 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1331 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1332 argument to HOST_WIDE_INT. Update function prototype.
1333 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1334 "size" argument to HOST_WIDE_INT. Update function prototype.
1336 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1338 * config/i386/i386.c (output_387_ffreep): Create output from a
1339 template string for !HAVE_AS_IX86_FFREEP.
1341 2006-10-27 Eric Christopher <echristo@apple.com>
1343 * config/darwin.c: Fix formatting and grammar.
1345 2006-10-27 Jan Hubicka <jh@suse.cz>
1347 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1348 to be thrown away soon when IGNORE is set.
1349 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1350 indicating when return value shall not be computed.
1351 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1353 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1355 * config/i386/i386.h (TARGET_GEODE):
1356 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1357 (TARGET_CPU_DEFAULT_geode): New macro.
1358 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1359 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1360 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1361 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1362 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1364 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1365 (processor_type): Add PROCESSOR_GEODE.
1367 * config/i386/i386.md: Include geode.md.
1370 * config/i386/i386.c (geode_cost): New initialized global
1372 (m_GEODE, m_K6_GEODE): New macros.
1373 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1374 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1375 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1376 x86_schedule): Use m_K6_GEODE instead of m_K6.
1377 (x86_movx, x86_cmove): Set up m_GEODE.
1378 (x86_integer_DFmode_moves): Clear m_GEODE.
1379 (processor_target_table): Add entry for geode.
1380 (processor_alias_table): Ditto.
1382 * config/i386/geode.md: New file.
1384 * doc/invoke.texi: Add entry about geode processor.
1386 2006-10-27 Mike Stump <mrs@apple.com>
1388 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1389 __DYNAMIC__ from here back to ...
1390 * config/darwin.h (CPP_SPEC): ... here.
1392 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1393 Nathan Sidwell <nathan@codesourcery.com>
1395 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1396 when choosing the minimum heapsize.
1398 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1400 * gcc/unwind-dw2.h: Move cfa-related variables into
1401 struct frame_state_reg_info to ensure that the CFA is properly
1402 handled when executing DW_CFA_{remember,restore}_state.
1403 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1404 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1405 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1406 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1407 gcc/config/rs6000/linux-unwind.h,
1408 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1409 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1410 Modify to use new cfa_* fields.
1412 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1414 * config/s390/s390.c (s390_init_frame_layout): Check positive
1417 2006-10-26 Ben Elliston <bje@au.ibm.com>
1419 * gimplify.c (get_name): Remove extraneous break.
1420 (gimplify_omp_for): Initialise ret with GS_OK.
1422 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1424 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1425 Add unix98.o to link line.
1427 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1430 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1431 Calculate compile-time constants using MPFR.
1432 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1433 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1435 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1437 * config/xtensa/lib2funcs.S: Use C-style comments.
1439 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1441 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1442 (file_table_relative_p): Likewise.
1443 (dwarf2out_finish): Likewise.
1444 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1446 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1448 * tree-ssa-structalias.c (intra_create_variable_infos):
1449 Don't recreate nonlocal_all if it already exists.
1451 2006-10-25 Richard Guenther <rguenther@suse.de>
1454 * optabs.h (enum optab_index): Remove OTI_lrint.
1455 (enum convert_optab_index): Add COI_lrint.
1456 (lrint_optab): Adjust.
1457 (expand_sfix_optab): Declare.
1458 * optabs.c (expand_sfix_optab): New function.
1459 (init_optabs): Init lrint_optab as conversion optab.
1460 * genopinit.c (lrint_optab): Change to a conversion optab.
1461 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1462 expansion via conversion optab.
1463 * config/i386/i386.md (*fistdi2_1): Remove
1464 flag_unsafe_math_optimizations guard.
1465 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1466 fist<mode>2_with_temp): Likewise.
1467 (lrint<mode>2): Split into...
1468 (lrintxf<mode>2): ... x87 part
1469 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1470 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1471 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1472 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1473 * doc/md.texi (lrintMN2): Document.
1475 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1478 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1479 Use inc and dec instructions for TARGET_USE_INCDEC.
1480 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1481 ("sync_double_compare_and_swap<mode>"): Likewise.
1482 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1483 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1484 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1485 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1486 ("sync_old_add<mode>"): Likewise.
1487 ("sync_lock_test_and_set<mode>"): Likewise.
1488 ("sync_lock_test_and_set<mode>"): Likewise.
1489 ("sync_add<mode>"): Likewise.
1490 ("sync_sub<mode>"): Likewise.
1491 ("sync_ior<mode>"): Likewise.
1492 ("sync_and<mode>"): Likewise.
1493 ("sync_xor<mode>"): Likewise.
1495 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1497 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1498 (remainder_optab): Define corresponding macro.
1499 (drem_optab): Remove.
1500 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1501 drem_optab initialization.
1502 * genopinit.c (optabs): Implement remainder_optab using
1503 remainder?f3 patterns. Remove drem_optab.
1504 * builtins.c (expand_builtin_mathfn_2): Handle
1505 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1506 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1507 expand_builtin_mathfn_2.
1509 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1510 depend on flag_unsafe_math_optimizations.
1512 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1513 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1514 Do not depend on flag_unsafe_math_optimizations. Use
1515 truncxf?f expander instead of truncxf?f_i387_noop.
1517 ("fpremxf4", "fprem1xf4"): Do not depend on
1518 flag_unsafe_math_optimizations.
1519 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1520 flag_unsafe_math_optimizations. Use truncxf?f expander
1521 instead of truncxf?f_i387_noop.
1523 * doc/md.texi (fmod, remainder): Document standard named pattern.
1525 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1526 David Daney <ddaney@avtrex.com>
1529 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1531 2006-10-25 Ben Elliston <bje@au.ibm.com>
1533 * doc/extend.texi (Variable Attributes): Typo fix.
1535 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1537 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1538 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1539 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1540 (FRAME_POINTER_REGNUM): Update register number to 21.
1541 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1542 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1544 * config/i386/i386.c (regclass_map): Add fpcr entry.
1545 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1547 (print_reg): Assert REGNO (x) != FPCR_REG.
1549 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1550 (DIRFLAG_REG): Renumber.
1551 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1552 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1553 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1554 hardcoded SSE register numbers.
1556 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1557 hardcoded MMX register numbers.
1559 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1562 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1563 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1565 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1566 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1567 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1568 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1570 2006-10-24 Richard Guenther <rguenther@suse.de>
1573 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1574 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1575 for deciding optimizations in consistency with fold-const.c
1576 (fold_builtin_unordered_cmp): Likewise.
1578 2006-10-24 Richard Guenther <rguenther@suse.de>
1580 * builtins.c (fold_builtin_floor): Fold floor (x) where
1581 x is nonnegative to trunc (x).
1582 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1583 nonnegative to FIX_TRUNC_EXPR.
1585 2006-10-24 Richard Guenther <rguenther@suse.de>
1587 PR tree-optimization/29567
1588 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1589 for TRUTH_NOT_EXPR. Clarify comments.
1591 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1594 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1595 at compile-time using MPFR. Change parameter VALUE to FUNC,
1597 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1598 for overflow and underflow at all times and avoid folding in
1601 2006-10-24 Ben Elliston <bje@au.ibm.com>
1603 * reload1.c: Formatting fixes.
1605 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1607 PR tree-optimization/14784
1608 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1609 * tree-ssa-structalias.c (get_constraint_for,
1610 intra_create_variable_infos): Set is_heapvar.
1611 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1612 non-heapvar pointer variables specially.
1614 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1617 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1618 fold_builtin_tan): Fold all constant arguments. Take a "type"
1619 argument as necessary.
1620 (do_mpfr_arg1): New.
1621 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1623 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1625 * config/xtensa/lib1funcs.asm: Use C-style comments.
1627 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1629 * tree.c (local_define_builtin): Replace calls to
1630 lang_hooks.builtin_function with add_builtin_function.
1631 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1633 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1635 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1636 common code to add_builtin_function.
1637 * langhooks.c (add_builtin_function): New function.
1638 (lhd_builtin_function): New function.
1639 * langhooks.h (struct lang_hooks): Change the signature of
1641 (add_builtin_function): New function.
1642 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1643 calls to lang_hooks.builtin_function with add_builtin_function.
1644 * c-common.c (decl_builtin_1): Replace calls to
1645 lang_hooks.builtin_function with add_builtin_function.
1646 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1647 lang_hooks.builtin_function with add_builtin_function.
1648 * config/frv/frv.c (def_builtin): Replace calls to
1649 lang_hooks.builtin_function with add_builtin_function.
1650 * config/s390/s390.c (s390_init_builtins): Replace calls to
1651 lang_hooks.builtin_function with add_builtin_function.
1652 * config/sparc/sparc.c (def_builtin): Replace calls to
1653 lang_hooks.builtin_function with add_builtin_function.
1654 * config/i386/i386.c (def_builtin): Replace calls to
1655 lang_hooks.builtin_function with add_builtin_function.
1656 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1657 lang_hooks.builtin_function with add_builtin_function.
1658 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1659 lang_hooks.builtin_function with add_builtin_function.
1660 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1661 Replace calls to lang_hooks.builtin_function with
1662 add_builtin_function.
1663 * config/iq2000/iq2000.c (def_builtin):
1664 Replace calls to lang_hooks.builtin_function with
1665 add_builtin_function.
1666 * config/ia64/ia64.c (def_builtin): Replace calls to
1667 lang_hooks.builtin_function with add_builtin_function.
1668 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1669 lang_hooks.builtin_function with add_builtin_function.
1670 (altivec_init_builtins): Replace calls to
1671 lang_hooks.builtin_function with add_builtin_function.
1672 * config/arm/arm.c (def_mbuiltin): Replace calls to
1673 lang_hooks.builtin_function with add_builtin_function.
1674 (arm_init_tls_builtins): Replace calls to
1675 lang_hooks.builtin_function with add_builtin_function.
1676 * config/mips/mips.c (mips_init_builtins): Replace calls to
1677 lang_hooks.builtin_function with add_builtin_function.
1678 * config/bfin/bfin.c (def_builtin): Replace calls to
1679 lang_hooks.builtin_function with add_builtin_function.
1680 * langhooks-def.h (lhd_builtin_function): New function.
1681 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1683 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1685 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1686 BUILT_IN_STRNCAT_CHK.
1688 2006-10-23 Jan Hubicka <jh@suse.cz>
1690 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1691 don't do conversion from memmove to memcpy here.
1692 (expand_builtin_bcopy, expand_builtin): Update call of
1693 expand_builtin_memmove.
1694 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1696 2006-10-23 Paul Brook <paul@codesourcery.com>
1698 * stor-layout.c (start_record_layout): maximum_field_alignment
1699 overrides STRUCTURE_SIZE_BOUNDARY.
1701 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1703 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1704 nonlocal function symbols if flag_pic.
1706 2006-10-23 Richard Guenther <rguenther@suse.de>
1710 * builtins.c (fold_binary): Remove checks for flag_wrapv
1711 and flag_trapv where negate_expr_p covers these cases.
1713 2006-10-23 Richard Guenther <rguenther@suse.de>
1716 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1717 of two on the absolute value.
1718 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1719 and negating -C does not overflow.
1721 2006-10-23 Richard Guenther <rguenther@suse.de>
1724 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1725 only if not flag_rounding_math.
1727 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1728 Kaz Kojima <kkojima@gcc.gnu.org>
1731 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1732 SImode memory reference for the source of a movua.
1733 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1734 (movua): Use an unspec instead of sign_extract. Expect the source
1735 to have mode BLKmode.
1736 (extv, insv): Use a BLKmode rather than SImode memory reference
1737 for the source of a movua.
1739 2006-10-22 Jeff Law <law@redhat.com>
1740 Richard Guenther <rguenther@suse.de>
1742 PR tree-optimization/15911
1743 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1744 (register_edge_assert_for_1): Likewise.
1745 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1746 (find_conditional_asserts): Adjust for new function signature.
1747 (find_assert_locations): Likewise.
1749 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1751 * config/i386/tmmintrin.h: Remove the duplicated content.
1753 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1755 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1756 (x86_64-*-*): Likewise.
1758 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1759 (override_options): Check SSSE3.
1760 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1761 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1762 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1763 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1764 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1765 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1766 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1767 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1768 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1769 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1770 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1771 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1772 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1773 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1774 IX86_BUILTIN_PABSD128.
1775 (bdesc_2arg): Add SSSE3.
1776 (bdesc_1arg): Likewise.
1777 (ix86_init_mmx_sse_builtins): Support SSSE3.
1778 (ix86_expand_builtin): Likewise.
1779 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1781 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1782 (UNSPEC_PSIGN): Likewise.
1783 (UNSPEC_PALIGNR): Likewise.
1784 Include mmx.md before sse.md.
1786 * config/i386/i386.opt: Add -mssse3.
1788 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1789 (ssse3_phaddwv4hi3): Likewise.
1790 (ssse3_phadddv4si3): Likewise.
1791 (ssse3_phadddv2si3): Likewise.
1792 (ssse3_phaddswv8hi3): Likewise.
1793 (ssse3_phaddswv4hi3): Likewise.
1794 (ssse3_phsubwv8hi3): Likewise.
1795 (ssse3_phsubwv4hi3): Likewise.
1796 (ssse3_phsubdv4si3): Likewise.
1797 (ssse3_phsubdv2si3): Likewise.
1798 (ssse3_phsubswv8hi3): Likewise.
1799 (ssse3_phsubswv4hi3): Likewise.
1800 (ssse3_pmaddubswv8hi3): Likewise.
1801 (ssse3_pmaddubswv4hi3): Likewise.
1802 (ssse3_pmulhrswv8hi3): Likewise.
1803 (ssse3_pmulhrswv4hi3): Likewise.
1804 (ssse3_pshufbv16qi3): Likewise.
1805 (ssse3_pshufbv8qi3): Likewise.
1806 (ssse3_psign<mode>3): Likewise.
1807 (ssse3_psign<mode>3): Likewise.
1808 (ssse3_palignrti): Likewise.
1809 (ssse3_palignrdi): Likewise.
1810 (abs<mode>2): Likewise.
1811 (abs<mode>2): Likewise.
1813 * config/i386/tmmintrin.h: New file.
1815 * doc/extend.texi: Document SSSE3 built-in functions.
1817 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1819 2006-10-22 Ira Rosen <irar@il.ibm.com>
1821 * tree-vect-transform.c (vectorizable_load): Use the type of the
1822 return value of the mask_for_load builtin to create realign_load
1825 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1827 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1830 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1832 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1833 (UNSPEC_LDDQU): This.
1834 * config/i386/sse.md (sse3_lddqu): Updated.
1836 2006-10-21 Richard Guenther <rguenther@suse.de>
1838 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1839 (expand_builtin): Use it to expand lrint instead of
1840 expand_builtin_mathfn.
1842 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1845 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1846 flag_unsafe_math_optimizations is set.
1848 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1851 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1852 patterns to use memory input operand in x87->mem->XMM
1853 reload sequences. Skip transformation for TARGET_K8.
1855 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1857 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1858 force operand1 to register if both operands are memory operands.
1859 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1860 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1861 if both operands are memory operands.
1862 (truncdfsf2): Do not force operand1 to register if both operands
1863 are memory operands.
1865 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1867 * Makefile.in (LIBS): Add $(GMPLIBS).
1868 * doc/install.texi: Update GMP and MPFR requirements.
1869 * doc/sourcebuild.texi (need_gmp): Delete.
1871 2006-10-21 Richard Guenther <rguenther@suse.de>
1873 PR tree-optimization/3511
1874 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1875 got new invariant arguments during PHI translation.
1877 2006-10-21 Richard Guenther <rguenther@suse.de>
1880 * fold-const.c (fold_comparison): Fold signed comparisons
1881 of the form X +- C1 CMP Y +- C2.
1883 2006-10-21 Richard Guenther <rguenther@suse.de>
1886 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1887 if flag_unsafe_math_optimizations is specified. We have
1888 flag_finite_math_only for that.
1889 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1890 or flag_unsafe_math_optimizations.
1892 2006-10-21 Richard Guenther <rguenther@suse.de>
1894 * builtins.c (fold_builtin_classify): Fix typo.
1896 2006-10-21 Richard Guenther <rguenther@suse.de>
1899 * simplify-rtx.c (simplify_const_relational_operation):
1900 Do not constant-fold ORDERED and UNORDERED for
1901 flag_unsafe_math_optimizations but only we do not need to
1902 honor NaNs for the given mode.
1904 2006-10-21 Richard Guenther <rguenther@suse.de>
1907 * config/i386/i386.c (classify_argument): Remove redundant
1908 walking of the BINFOs.
1909 (contains_128bit_aligned_vector_p): Likewise.
1911 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1913 * BASE-VER: Set to 4.3.0.
1915 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1917 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1918 (tree_decl_with_vis): Remove artificial_pta_var flag.
1919 * tree-flow.h (referenced_var_check_and_insert): Expose.
1920 (nonlocal_all): New prototype.
1921 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1922 (nonlocal_all): Make global.
1923 (nonlocal_lookup): Remove.
1924 (nonlocal_insert): Ditto.
1925 (create_nonlocal_var): Do not call nonlocal_insert.
1926 (get_nonlocal_id_for_type): Remove.
1927 (find_global_initializers): Mark new vars we find for renaming.
1928 (intra_create_variable_infos): Only create one nonlocal.
1929 (expand_nonlocal_solutions): Remove.
1930 (compute_points_to_sets): Don't call it.
1931 (ipa_pta_execute): Ditto.
1932 (init_alias_heapvars): Don't create nonlocal_for_type.
1933 (delete_alias_heapvars): Don't remove it.
1934 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1937 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1939 * doc/install.texi (Downloading GCC): Clarify mention of
1940 Fortran in the "full distribution" description.
1942 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1944 Fix PR tree-optimization/28778
1945 Fix PR tree-optimization/29156
1946 Fix PR tree-optimization/29415
1947 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1948 (tree_decl_with_vis): Add artificial_pta_var flag.
1949 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1950 pushed into callers.
1951 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1952 (nonlocal_all): Ditto.
1953 (struct variable_info): Add directly_dereferenced member.
1954 (var_escaped_vars): New variable.
1955 (escaped_vars_tree): Ditto.
1956 (escaped_vars_id): Ditto.
1957 (nonlocal_vars_id): Ditto.
1958 (new_var_info): Set directly_dereferenced.
1959 (graph_size): New variable
1960 (build_constraint_graph): Use graph_size.
1961 (solve_graph): Don't process constraints that cannot change the
1962 solution, don't try to propagate an empty solution to our
1964 (process_constraint): Set directly_dereferenced.
1965 (could_have_pointers): New function.
1966 (get_constraint_for_component_ref): Don't process STRING_CST.
1967 (nonlocal_lookup): New function.
1968 (nonlocal_insert): Ditto.
1969 (create_nonlocal_var): Ditto.
1970 (get_nonlocal_id_for_type): Ditto.
1971 (get_constraint_for): Allow results vector to be empty in the case
1972 of string constants.
1973 Handle results of calls properly.
1974 (update_alias_info): Update alias info stats on number and type of
1976 (find_func_aliases): Use could_have_pointers.
1977 (make_constraint_from_escaped): Renamed from
1978 make_constraint_to_anything, and changed to make constraints from
1980 (make_constraint_to_escaped): New function.
1981 (find_global_initializers): Ditto.
1982 (create_variable_info_for): Make constraint from escaped to any
1983 global variable, and from any global variable to the set of
1985 (intra_create_variable_infos): Deal with escaped instead of
1986 pointing to anything.
1987 (set_uids_in_ptset): Do type pruning on directly dereferenced
1989 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1990 (init_base_vars): Fix comment, and initialize escaped_vars.
1991 (need_to_solve): Removed.
1992 (find_escape_constraints): New function.
1993 (expand_nonlocal_solutions): Ditto.
1994 (compute_points_to_sets): Call find_escape_constraints and
1995 expand_nonlocal_solutions.
1996 (delete_points_to_sets): Don't fall off the end of the graph.
1997 (init_alias_heapvars): Initialize nonlocal_for_type and
1999 (delete_alias_heapvars): Free nonlocal_for_type and null out
2002 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2004 * fold-const.c (add_double): Rename to add_double_with_sign.
2005 Add 'unsigned_p' parameter and take it into account for the overflow.
2006 (mul_double): Rename to mul_double_with_sign.
2007 Add 'unsigned_p' parameter and take it into account for the overflow.
2008 (fold_div_compare): Call add_double_with_sign instead of add_double
2009 and mul_double_with_sign instead of mul_double, passing them the
2010 unsignedness of the type.
2011 * tree.h (add_double): Macroize.
2012 (add_double_with_sign): New prototype.
2013 (mul_double): Macroize.
2014 (mul_double_with_sign): New prototype.
2016 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2018 * config/score/crti.asm: New file.
2019 * config/score/crtn.asm: New file.
2020 * config/score/elf.h: New file.
2021 * config/score/mac.md: New file.
2022 * config/score/misc.md: New file.
2023 * config/score/mul-div.S: New file.
2024 * config/score/predicates.md: New file.
2025 * config/score/score7.md: New file.
2026 * config/score/score.c: New file.
2027 * config/score/score-conv.h: New file.
2028 * config/score/score.h: New file.
2029 * config/score/score.md: New file.
2030 * config/score/score-mdaux.c: New file.
2031 * config/score/score-mdaux.h: New file.
2032 * config/score/score-modes.def: New file.
2033 * config/score/score.opt: New file.
2034 * config/score/score-protos.h: New file.
2035 * config/score/score-version.h: New file.
2036 * config/score/t-score-elf: New file.
2037 * config.gcc: Add score*-*-* configurations(Update before).
2038 * doc/invoke.texi (Score Options): New section.
2039 * doc/md.texi (Score family): New section to document constraints.
2041 2006-10-19 Nick Clifton <nickc@redhat.com>
2043 * config/arm/arm.c: Fix spelling typo.
2045 2006-10-18 Tom Tromey <tromey@redhat.com>
2047 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2049 2006-10-18 Jan Hubicka <jh@suse.cz>
2052 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2055 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2057 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2058 TSI_SAME_STMT, since that's the desired entity.
2060 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2062 * config/s390/contraints.md: New file.
2063 * config/s390/s390-protos.h (s390_mem_constraint,
2064 s390_O_constraint_str, s390_N_constraint_str,
2065 s390_float_const_zero_p): Function prototypes added.
2066 * config/s390/s390.c (s390_extra_constraint_str,
2067 s390_const_double_ok_for_constraint_p,
2068 s390_const_ok_for_constraint_p): Functions removed.
2069 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2070 s390_float_const_zero_p): New functions.
2071 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2072 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2073 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2074 Macro definitions removed.
2075 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2076 s390_extra_constraint_str): Functions removed.
2078 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2079 Richard Sandiford <richard@codesourcery.com>
2082 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2083 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2085 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2087 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2088 (DWARF2_FRAME_REG_OUT): Likewise.
2089 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2090 (DWARF2_FRAME_REG_OUT): Likewise.
2092 2006-10-17 Paul Brook <paul@codesourcery.com>
2094 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2096 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2098 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2099 Standardize on "GNU Fortran" as the official name of the Fortran
2102 2006-10-16 Mike Stump <mrs@apple.com>
2104 * doc/invoke.texi (Darwin Options): Document -mkernel.
2105 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2107 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2108 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2109 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2110 (OS_MISSING_ALTIVEC): Add.
2111 * config/i386/i386.c (override_options): Add
2112 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2113 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2114 -mkernel, -static or -mdynamic-no-pic is given.
2115 (C_COMMON_OVERRIDE_OPTIONS): Add.
2116 * config/darwin.opt (fapple-kext): Add.
2118 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2119 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2121 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2122 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2123 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2124 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2125 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2126 (flag_mkernel): Add.
2127 (flag_apple_kext): Add.
2128 (TARGET_KEXTABI): Add.
2129 * config/darwin.c (darwin_handle_kext_attribute): Add.
2130 (DARWIN_VTABLE_P): Add.
2131 (darwin_binds_local_p): Add partial support for rebinding vtables
2133 (darwin_kextabi_p): Add.
2134 (darwin_override_options): Add.
2135 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2136 (darwin_kextabi_p): Add.
2137 (darwin_override_options): Add.
2138 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2139 __DYNAMIC__ and __STATIC__ here.
2141 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2143 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2144 Added mention of "make pdf" target, and Texinfo requirements for
2147 2006-10-16 DJ Delorie <dj@redhat.com>
2149 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2150 into the GOT in case we need a subreg of the address.
2152 2006-10-16 Richard Guenther <rguenther@suse.de>
2155 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2156 SSE builtin documentation. Document SSE2 builtins.
2158 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2160 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2161 symbol in the output file for non-shared links when -nostdlib or
2162 -nodefaultlibs isn't specified.
2164 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2165 posix thread support.
2167 2006-10-15 Jan Hubicka <jh@suse.cz>
2170 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2171 declared always_inline even when not inlining.
2173 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2174 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2175 Andrew Pinski <pinskia@gmail.com>
2178 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2180 2006-10-15 Jan Hubicka <jh@suse.cz>
2181 Richard Guenther <rguenther@suse.de>
2184 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2185 process_function_and_variable_attributes on all variables, including
2186 those discovered during cgraph construction phase.
2188 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2190 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2192 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2194 * config/i386/athlon.md (athlon_fist): Add fisttp.
2196 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2197 Ian Lance Taylor <ian@airs.com>
2200 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2201 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2204 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2206 * config/score/score.c, config/score/score.h: Fix comment
2209 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2212 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2215 2006-10-13 Eric Christopher <echristo@apple.com>
2217 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2219 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2222 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2223 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2224 alignment supported by 32-bit ELF.
2226 2006-10-13 Eric Christopher <echristo@apple.com>
2228 * config/darwin.c (darwin_emit_unwind_label): Strip
2229 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2231 2006-10-13 Richard Guenther <rguenther@suse.de>
2233 PR tree-optimization/29446
2234 * tree-vrp.c (fix_equivalence_set): Remove.
2235 (extract_range_from_assert): Do not call fix_equivalence_set.
2236 (debug_value_range): Print a newline.
2237 (compare_name_with_value): For equivalence sets with
2238 inconsistent value ranges conservatively bail out.
2239 (compare_names): Likewise.
2241 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2243 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2244 and MPFR for gfortran.
2246 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2248 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2249 alignment supported by 32-bit ELF.
2251 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2255 * c-typeck.c (digest_init): Always allow initializing vectors
2256 that have static storage duration with compound literals.
2257 * tree.c (build_type_attribute_qual_variant): New, based on
2258 build_type_attribute_variant.
2259 (build_type_attribute_variant): Rewrite using the former.
2260 (make_vector_type): Use build_type_attribute_qual_variant to build
2261 type variants. Use type_hash_canon on the others.
2263 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2264 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2266 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2268 2006-10-12 Jan Hubicka <jh@suse.cz>
2271 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2272 current_function_decl is set but current_function_scope is not.
2274 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2276 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2277 emit_insn to emit eh_return_internal instruction.
2278 (eh_return_internal): Explicitly set pc.
2280 2006-10-11 Richard Guenther <rguenther@suse.de>
2282 PR tree-optimization/28230
2283 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2284 to the correct place.
2286 2006-10-11 Richard Guenther <rguenther@suse.de>
2289 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2292 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2294 * configure.ac: Added pdf to "Make-hooks"
2295 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2296 targets and *.pdf file patterns in cleanup targets.
2297 * configure: Regenerated.
2299 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2301 * config/avr/predicates.md: New file.
2302 * config/avr/avr.md: Include it.
2303 (REG_SP): New constant.
2304 (peepholes): Use predicates.
2305 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2306 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2307 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2309 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2311 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2314 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2317 * builtins.c (var_decl_component_p): New function.
2318 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2319 single entry optimization to variables and components thereof.
2321 2006-10-10 Richard Guenther <rguenther@suse.de>
2323 PR rtl-optimization/29323
2324 * except.c (set_nothrow_function_flags): For functions
2325 that do not bind local bail out early.
2327 2006-10-10 Ben Elliston <bje@au.ibm.com>
2329 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2332 2006-10-09 Richard Henderson <rth@redhat.com>
2334 Revert emutls patch.
2336 2006-10-09 Richard Guenther <rguenther@suse.de>
2339 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2342 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2345 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2346 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2347 * configure: Regenerate.
2348 * config.in: Regenerate.
2350 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2352 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2354 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2356 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2357 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2358 Remove stray newline.
2360 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2362 * config/mips/mips.c (mips_classify_symbol): Do not return
2363 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2364 (mips_in_small_data_p): Tweak comments.
2366 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2368 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2370 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2372 * gimplify.c, sched-int.h: Fix comment typos.
2374 * sched-int.h: Fix comment typos.
2376 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2378 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2380 * sched-ebb.c (begin_schedule_ready): Use them.
2381 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2382 add_to_speculative_block, create_check_block_twin, speculate_insn,
2383 fix_jump_move, move_block_after_check): Ditto.
2384 * sched-rgn.c (new_ready): Ditto.
2386 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2388 PR rtl-optimization/29128
2389 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2390 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2391 allow interblock movement of speculation checks.
2393 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2396 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2397 casted to integer type.
2398 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2399 if they are significantly more expensive than [reg + index] ones.
2401 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2403 PR tree-optimization/29330
2404 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2405 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2406 on newly allocated ddrs.
2407 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2408 to VEC (loop_p, heap) pointer.
2409 (compute_data_dependences_for_loop): Adjust caller.
2410 (free_dependence_relations): Free DDR_LOOP_NEST.
2412 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2413 free DEPENDENCE_RELATIONS and DATAREFS.
2416 * builtins.c (expand_builtin_sync_operation,
2417 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2418 Use convert_to_mode to handle promoted arguments.
2420 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2422 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2424 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2426 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2428 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2430 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2431 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2432 Use <modeconstraint> instead of "r" as operand 1 constraint.
2434 2006-10-06 Olivier Hainque <hainque@adacore.com>
2436 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2437 Don't recurse on the pointed-to type.
2438 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2439 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2440 types with components of variable size.
2442 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2444 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2446 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2448 PR tree-optimization/29290
2449 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2453 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2454 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2457 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2458 the number of vector elements fill the rest with zeros.
2460 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2462 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2463 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2466 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2468 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2469 unnamed pattern into subsi3. Use correct constraints/predicates.
2470 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2471 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2473 2006-10-05 Ira Rosen <irar@il.ibm.com>
2475 * doc/loop.texi: Add data references analysis description.
2477 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2479 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2481 2006-10-04 Richard Henderson <rth@redhat.com>
2482 Jakub Jelinek <jakub@redhat.com>
2484 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2485 * builtin-types.def (BT_WORD): Make unsigned.
2486 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2487 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2488 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2489 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2490 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2491 * cgraph.c (decide_is_variable_needed): Look at force_output.
2492 Recurse for emulated tls.
2493 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2494 checks redundant with decide_is_variable_needed.
2495 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2496 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2498 * expr.c (emutls_var_address): New.
2499 (expand_expr_real_1): Expand emulated tls.
2500 (expand_expr_addr_expr_1): Likewise.
2501 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2502 * output.h (emutls_finish): Declare.
2503 * toplev.c (compile_file): Call it.
2504 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2505 address before wrapping in CONST.
2506 * varasm.c (emutls_htab, emutls_object_type): New.
2507 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2508 (get_emutls_object_name, get_emutls_object_type): New.
2509 (get_emutls_init_templ_addr, emutls_decl): New.
2510 (emutls_common_1, emutls_finish): New.
2511 (assemble_variable): When emulating tls, swap decls; generate
2512 constructor for the emutls objects.
2513 (do_assemble_alias): When emulating tls, swap decl and target name.
2514 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2516 * emutls.c: New file.
2517 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2518 tls_object for real tls.
2520 2006-10-04 Zack Weinberg <zackw@panix.com>
2522 Fix bug in constraint-check generator, reported by Rask Ingemann
2524 * genpreds.c (add_constraint): Don't remove anything from the
2526 (write_tm_constrs_h): Detect whether "op" argument is used, and
2527 mark it ARG_UNUSED if it isn't.
2528 (write_insn_const_int_ok_for_constraint): Skip the part of the
2529 expression that would test whether "op" (which is not available
2530 here) is a CONST_INT.
2532 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2535 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2537 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2539 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2540 current Leopard versions.
2541 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2543 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2545 * doc/install.texi: Fix typos.
2547 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2549 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2550 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2551 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2553 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2555 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2556 arg to be struct mach_header_64* instead.
2558 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2561 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2562 side effects after the outer expression's post side effects.
2564 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2566 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2567 comments to reflect actual behavior and relationship between
2568 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2570 * doc/c-tree.texi (Working with declarations): Fix documentation
2571 of FIELD_DECL likewise.
2573 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2576 * doc/extend.texi: Add used variable attribute description.
2578 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2581 * c.opt (Woverride-init): New.
2582 * c-opts.c (c_common_post_options): Default warn_override_init to
2584 * c-typeck.c (add_pending_init, output_init_element): Warn for
2585 overriding initializers without side effects.
2586 * doc/invoke.texi (-Woverride-init): Document.
2589 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2591 PR rtl-optimization/28096
2592 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2593 assignment has already been used as a destination earlier in the block.
2595 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2597 * builtins.c (expand_builtin_setjmp): Delete.
2598 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2599 <BUILT_IN_SETJMP_SETUP>: New case.
2600 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2601 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2602 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2603 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2604 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2605 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2606 (lower_function_body): Initialize it to false. If it is set to true
2607 at the end of the processing, emit the setjmp dispatcher.
2608 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2609 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2610 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2611 on the rhs of the assignment.
2612 (lower_builtin_setjmp): New function.
2613 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2614 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2615 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2616 to detect calls that can go to non-local labels. Use specific
2617 helper to create the abnormal edges associated with them.
2618 <MODIFY_EXPR>: Likewise.
2619 (make_abnormal_goto_edges): New function extracted from...
2620 (make_goto_expr_edges): ...here. Call it for computed gotos.
2621 (simple_goto_p): Minor tweak.
2622 (tree_can_make_abnormal_goto): New predicate.
2623 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2624 (tree_purge_dead_abnormal_call_edges): New function.
2625 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2626 (tree_purge_dead_abnormal_call_edges): Likewise.
2627 (make_abnormal_goto_edges): Likewise.
2628 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2629 Purge all dead abnormal edges if the call was in the last statement.
2630 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2631 (execute_fixup_cfg): If there are non-local labels in the function,
2632 scan the basic blocks and split them at calls that can go to non-local
2633 labels or add missing abnormal call edges. Write down the CFG in the
2635 (pass_fixup_cfg): Remove TODO_dump_func flag.
2636 * unwind-sjlj.c: Poison setjmp.
2637 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2638 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2639 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2640 (DONT_USE_BUILTIN_SETJMP): Document it.
2642 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2645 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2646 to 1 when __ppc64__ is defined.
2647 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2649 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2651 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2653 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2654 * config/ia64/unwind-hpux.c: Delete.
2656 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2658 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2659 on the element before gimplifying it, instead of punting if it is of
2662 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2664 * doc/loop.texi: New file.
2665 * doc/gccint.texi: Reference loop.texi.
2666 * Makefile.in (loop.texi): Add.
2668 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2670 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2672 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2673 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2675 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2677 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2679 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2681 * doc/install.texi: Document required versions of GMP and MPFR.
2683 2006-09-27 Paul Brook <paul@codesourcery.com>
2686 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2688 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2690 * reload1.c (alter_reg): Require the alignment of the stack slot to
2691 be at least reg_max_ref_width bytes.
2692 (scan_paradoxical_subregs): Record the largest width in
2695 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2699 * tree-nested.c (struct nesting_info): Added static_chain_added.
2700 (convert_call_expr): Set static_chain_added when adding static
2701 chain. Handle OMP_PARALLEL and OMP_SECTION.
2703 2006-09-25 Matthias Klose <doko@debian.org>
2705 * doc/invoke.texi: Add missing full stop.
2707 2006-09-25 Richard Henderson <rth@redhat.com>
2709 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2710 before cgraph_function_flags_ready.
2712 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2713 Adam Nemet <anemet@caviumnetworks.com>
2715 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2716 determine_common_wider_type): New functions.
2717 (get_computation_aff): Use them to simplify arithmetic between
2718 UBASE and CBASE if they are shortened from the same type.
2720 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2723 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2724 -2147483647 - 1 instead of 0x80000000.
2726 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2728 * flags.h (HONOR_NANS): Fix typo in comment.
2730 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2732 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2734 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2738 * tree.c (merge_attributes, attribute_list_contained): If both
2739 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2741 * c-typeck.c (comptypes_internal): Don't consider aggregates
2742 in different TUs as compatible if there one set of attributes is
2743 not a subset of the other type's attributes.
2744 (composite_type): Try harder not to create a new aggregate type.
2746 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2748 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2749 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2750 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2751 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2752 than replicating condition above.
2753 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2755 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2756 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2757 the linker by default.
2759 2006-09-22 Mike Stump <mrs@apple.com>
2761 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2764 2006-09-22 Richard Guenther <rguenther@suse.de>
2767 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2768 sort of stack variables stable.
2770 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2773 * explow.c (force_reg): Set REG_POINTER flag according to
2776 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2778 PR tree-optimization/28888
2779 * tree-if-conv.c (combine_blocks): Rewritten.
2780 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2781 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2783 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2785 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2788 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2790 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2792 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2794 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2796 2006-09-21 Roger Sayle <roger@eyesopen.com>
2799 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2800 dw_fde_current_label, to be the start of the function, i.e. the same
2801 value as dw_fde_begin.
2803 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2805 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2806 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2807 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2808 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2809 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2810 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2811 (abs<mode>2, neg<mode>2): Likewise.
2812 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2813 (*mips_abs_ps): New define_insn.
2815 2006-09-20 Josh Conner <jconner@apple.com>
2818 * calls.c (expand_call): Allow reuse of structure return stack
2821 2006-09-20 Paul Brook <paul@codesourcery.com>
2823 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2826 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2828 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2829 clean up terminology.
2831 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2834 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2835 with tablejumps in them.
2837 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2840 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2841 wrap it into TARGET_EXPR.
2843 2006-09-20 Eric Christopher <echristo@apple.com>
2845 * config/i386/i386.c (x86_fisttp): Remove.
2846 * config/i386/i386.h (x86_fisttp): Ditto.
2847 (TARGET_FISTTP): Ditto.
2849 2006-09-19 Eric Christopher <echristo@apple.com>
2851 * doc/tm.texi (OBJC_JBLEN): Describe.
2852 * config/i386/darwin.h (OBJC_JBLEN): Define.
2853 * config/rs6000/darwin.h: Ditto.
2855 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2857 PR rtl-optimization/21299
2858 * reload1.c (reload): Purge invalid ASMs in the final pass.
2860 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2863 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2864 pointers as legitimate constants.
2866 2006-09-19 Paul Brook <paul@codesourcery.com>
2869 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2871 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2873 PR tree-optimization/28887
2874 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2875 component parts from the reference.
2876 (gather_memory_references_ref): Record the reference without the
2877 nonaddressable component parts.
2879 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2882 * c-opts.c (c_common_handle_option): Ignore the -std options
2883 if the input language is assembly.
2885 2006-09-17 Ira Rosen <irar@il.ibm.com>
2888 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2890 (ptr_ptr_may_alias_p): Likewise.
2891 (record_record_differ_p): New function.
2892 (base_object_differ_p): Call record_record_differ_p.
2894 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2897 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2898 away for the expr argument.
2900 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2903 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2904 before using it for dumping after vectorizing loops.
2906 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2907 Jack Howarth <howarth@bromo.med.uc.edu>
2910 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2911 skip on error_mark_node.
2912 (rs6000_darwin64_record_arg_recurse): Likewise.
2914 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2916 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2917 * doc/rtl.texi: Remove related documentation.
2919 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2921 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2924 2006-09-15 Jim Wilson <wilson@specifix.com>
2926 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2927 Handle symbol offsets same as they are handled in ia64_expand_move
2930 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2932 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2933 Add forgotten parameter to the fprintf call.
2935 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2937 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2939 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2941 * doc/contrib.texi: Add my entry.
2943 2006-09-15 Nick Clifton <nickc@redhat.com>
2945 * doc/md.texi (Processor pipeline description): Fix typo in
2946 example of how to use the absence_set directive and reword the
2947 description to make it slightly easier to read.
2949 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2951 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2952 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2953 expanding the number of iterations.
2954 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2956 * cfgrtl.c (emit_insn_at_entry): New function.
2957 * rtl.h (emit_insn_at_entry): Declare it.
2958 * integrate.c (emit_initial_value_sets): Use it.
2960 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2962 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2964 (struct loop_work and related VEC declarations): Delete.
2965 (bfin_dump_loops): Print out new member bad.
2966 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2967 (bfin_scan_loop): Don't recurse.
2968 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2969 loops. No longer need to update outer loops if the current one is
2970 found bad. Move some validitiy checks to bfin_discover_loop.
2971 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2972 but changed not to check for nesting. Also changed to use the new bad
2974 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2975 time. Use bitmap based test to discover loop nesting.
2977 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2979 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2982 2006-09-14 Richard Guenther <rguenther@suse.de>
2983 Kazu Hirata <kazu@codesourcery.com>
2985 PR middle-end/28884.
2986 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2987 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2988 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2989 with TARGET_FUNCTION_VALUE.
2991 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2994 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2996 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2998 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3001 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3004 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3007 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3009 * basic_block.h (bb_has_eh_pred): Fix comment.
3011 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3013 * flow.c (calculate_global_regs_live): Invalidate eh registers
3014 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3015 (propagate_block): Handle eh registers as if they were set at basic
3017 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3019 * global.c (global_conflicts): Make eh registers to conflict with
3020 pseudos live at basic block begin.
3021 * basic_block.h (bb_has_eh_pred): New function.
3023 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3025 PR rtl-optimization/28982
3026 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3027 index of a PRE_MODIFY or POST_MODIFY address.
3028 * reload1.c (inc_for_reload): Use find_replacement on the original
3029 base and index registers.
3031 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3033 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3034 for -Os. Update __m128 alignment requirement.
3036 2006-09-13 Jan Hubicka <jh@suse.cz>
3038 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3040 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3042 PR rtl-optimization/28243
3043 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3044 the insn to which the note was originally attached.
3046 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3047 Roger Sayle <roger@eyesopen.com>
3049 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3050 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3051 on platforms that don't use dwarf for debug info.
3053 2006-09-12 Jason Merrill <jason@redhat.com>
3056 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3057 hard_frame_pointer_rtx after using it to update the frame pointer.
3059 2006-09-12 Roger Sayle <roger@eyesopen.com>
3061 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3062 (TARGET_ASM_CLOSE_PAREN): Likewise.
3063 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3064 (TARGET_ASM_CLOSE_PAREN): Likewise.
3066 2006-09-12 Roger Sayle <roger@eyesopen.com>
3069 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3070 frame information for frames larger than 512 Kbytes on Tru64 when
3071 using the native assembler.
3073 2006-09-12 Roger Sayle <roger@eyesopen.com>
3077 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3078 and symbols. Instead use the implementation from cse.c's hash_rtx.
3080 2006-09-12 Jan Hubicka <jh@suse.cz>
3082 PR rtl-optimization/28071
3083 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3084 (vect_transform_loop): Likewise.
3085 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3086 (new_loop_vec_info): Likewise.
3087 (destroy_loop_vec_info): Likewise.
3088 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3089 (create_stmt_ann): Likewise.
3090 (create_tree_ann): Rename to ...
3091 (create_tree_common_ann): ... this one; allocate only the common part
3093 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3094 (get_value_handle): Likewise.
3095 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3096 get_tree_common_ann.
3097 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3098 (vinfo_for_stmt): Use stmt annotations.
3099 * tree-flow.h (tree_ann_common_t): New type.
3100 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3101 (tree_ann, get_tree_ann, create_tree_ann): New.
3102 * tree-flow-inline.h (get_function_ann): Do more type checking.
3103 (stmt_ann): Likewise.
3104 (tree_ann): Rename to ...
3105 (tree_common_ann): ... this one; return ony common_ann
3106 (get_tree_ann): Rename to ...
3107 (tree_common_ann): This one; return only common_ann.
3108 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3111 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3113 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3114 with_cpu by default.
3116 * dwarf2out.c (dwarf_file_data): New.
3117 (enum dw_val_class): Add dw_val_class_file.
3118 (struct dw_val_struct): Add val_file.
3119 (file_table): Change to a hash table.
3120 (file_table_emitted): Delete.
3121 (file_table_last_lookup_index): Delete.
3122 (emitcount): Delete.
3123 (last_emitted_file): New.
3124 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3125 (init_file_table): Delete.
3126 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3127 (AT_addr): Add comment.
3131 (print_die): Handle dw_val_class_file.
3132 (print_dwarf_line_table): Update for new file table structure.
3133 (attr_checksum): Do checksum a filename.
3134 (same_dw_val_p, same_attr_p): Do compare a filename.
3135 (size_of_die): Handle dw_val_class_file.
3136 (value_format): Likewise.
3137 (output_die): Likewise. Also, call maybe_emit_file here.
3138 (struct file_info): Constify filenames. Make file_idx a pointer
3139 to a struct dwarf_file_data.
3140 (struct dir_info): Constify directory names. Remove 'used' field.
3141 (struct file_name_acquire_data): New.
3142 (file_name_acquire): New.
3143 (output_file_names): Modify to handle new file data structures.
3144 (add_src_coords_attributes): Use add_AT_file.
3145 (add_call_src_coords_attributes): Likewise.
3146 (dwarf2out_imported_module_or_decl): Likewise.
3147 (gen_subprogram_die): Modify for new file data structures.
3148 (gen_variable_die): Likewise.
3149 (file_table_eq): New.
3150 (file_table_hash): New.
3151 (file_table_last_lookup): New.
3152 (lookup_filename): Rewrite to handle new file data structures.
3153 (maybe_emit_file): Rewrite to handle new file data structures.
3154 (dwarf2out_source_line): Always call lookup_filename and
3156 (dwarf2out_init): Create file_table here.
3157 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3158 (file_table_relative_p): New.
3159 (dwarf2out_finish): Change detection of relative filenames
3160 to work with new file data structures. Move output_line_info call
3161 after debug_info output.
3163 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3168 * config/i386/i386.c (override_options): Always default to 16
3169 byte stack boundary.
3171 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3174 * var-tracking.c (dump_dataflow_set): Start dumping at
3176 (clobber_variable_part): Kill only the variable part in
3177 registers holding it, leaving other variables alone.
3179 2006-09-11 Josh Triplett <josh@freedesktop.org>
3181 * doc/extend.texi (Other Builtins): Actually use the macro
3182 argument in the documentation example for
3183 __builtin_types_compatible_p.
3185 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3187 PR rtl-optimization/28726
3188 * sched-deps.c (sched_analyze_reg): New function extracted from...
3189 (sched_analyze_1): ...here. Call it to analyze references to
3190 registers. Treat again writes to a stack register as writing to the
3192 (sched_analyze_2): ...and here. Call it to analyze references to
3193 registers. Treat again reads of a stack register as reading the
3196 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3197 David Edelsohn <edelsohn@gnu.org>
3200 * config/rs6000/spe.md (frob_df_di): Remove %H.
3201 (frob_di_df): Remove %H. Change evmergelo to mr.
3202 (frob_di_df_2): Remove %H. Change evldd to two loads.
3204 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3206 * doc/cpp.texi: Fix names of charset options.
3208 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3211 * config/i386/i386.c (override_options): Use 128-bit
3212 stack boundary always for 64bits.
3214 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3216 PR rtl-optimization/28636
3217 * combine.c (force_to_mode): Test for side-effects before
3218 substituting by zero.
3219 (simplify_shift_const): Likewise for zero or other constants.
3221 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3224 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3227 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3230 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3231 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3232 returned by mode_for_size, rather than the mode of src itself,
3233 to choose between 32-bit and 64-bit patterns.
3234 (mips_mem_fits_mode_p): New function.
3235 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3236 that the size of the source matches the size of the destination.
3237 (mov_<store>l, mov_<store>r): Likewise.
3239 2006-09-10 Eric Christopher <echristo@apple.com>
3241 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3244 2006-09-09 Eric Christopher <echristo@apple.com>
3247 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3250 2006-09-09 Roger Sayle <roger@eyesopen.com>
3251 Nicolas Setton <setton@adacore.com>
3253 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3255 2006-09-10 Andreas Schwab <schwab@suse.de>
3257 * config/m68k/m68k.md (bungt_rev): New pattern.
3259 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3260 Dale Johannesen <dalej@apple.com>
3263 * regclass.c (struct reg_pref): Update documentation.
3264 (regclass): Set prefclass to NO_REGS if memory is the best option.
3265 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3267 2006-09-08 Eric Christopher <echristo@apple.com>
3269 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3270 * config/t-slibgcc-darwin: Support x86_64 multilib.
3271 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3272 Return 1 for x86_64-darwin.
3273 * config/i386/t-darwin: Add m64 multilib.
3274 (LIB2_SIDITI_CONV_FUNCS): Use.
3275 (LIB2FUNCS_EXTRA): Ditto.
3276 * config/i386/darwin.h: Support x86_64.
3277 * config/i386/i386.c (override_options): Turn on flag_pic
3278 for x86_64-darwin. Disable flag_omit_pointer.
3279 (get_pc_thunk_name): Assert !TARGET_64BIT.
3280 (legitimate_address_p): Disable machopic addressing for
3282 (legitimize_pic_address): Ditto.
3283 (ix86_expand_move): Ditto.
3284 (ix86_expand_call): Ditto.
3285 (machopic_output_stub): Ditto.
3286 * config/darwin.c (machopic_select_section): Support literal16.
3287 (machopic_select_rtx_section): Ditto.
3288 * config/darwin-sections.def: Ditto.
3289 * config/darwin-64.c: New.
3291 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3294 * c-tree.h (struct c_arg_info): Add pending_sizes.
3295 * c-parser.c (c_parser_parms_declarator,
3296 c_parser_parms_list_declarator): Initialize pending_sizes.
3297 * c-decl.c (get_parm_info): Initialize pending_sizes.
3298 (get_parm_info): Set pending_sizes.
3299 (grokdeclarator): Call put_pending_sizes for parameters for
3300 function definition only.
3302 2006-09-07 Jason Merrill <jason@redhat.com>
3305 * varasm.c (output_constant): Only strip actual no-op conversions.
3308 * config/i386/i386.c (override_options): Use 128-bit
3309 stack boundary if -msse.
3311 2006-09-07 Eric Christopher <echristo@apple.com>
3313 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3315 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3318 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3320 * dwarf2out.c: Remove strange characters from comment above
3321 dwarf2out_frame_debug_expr.
3323 2006-09-07 Eric Christopher <echristo@apple.com>
3325 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3326 * config/darwin.h: ... to here.
3328 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3330 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3332 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3333 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3335 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3336 TARGET_PARTIAL_FLAG_REG_STALL.
3337 (*ashldi3_cconly_rex64): Likewise.
3338 (*ashlsi3_cmp): Likewise.
3339 (*ashlsi3_cconly): Likewise.
3340 (*ashlsi3_cmp_zext): Likewise.
3341 (*ashlhi3_cmp): Likewise.
3342 (*ashlhi3_cconly): Likewise.
3343 (*ashlqi3_cmp): Likewise.
3344 (*ashlqi3_cconly): Likewise.
3345 (*ashrdi3_cmp_rex64): Likewise.
3346 (*ashrdi3_cconly_rex64): Likewise.
3347 (*ashrsi3_cmp): Likewise.
3348 (*ashrsi3_cconly): Likewise.
3349 (*ashrsi3_cmp_zext): Likewise.
3350 (*ashrhi3_cmp): Likewise.
3351 (*ashrhi3_cconly): Likewise.
3352 (*ashrqi3_cmp): Likewise.
3353 (*ashrqi3_cconly): Likewise.
3354 (*lshrdi3_cmp_rex64): Likewise.
3355 (*lshrdi3_cconly_rex64): Likewise.
3356 (*lshrsi3_cmp): Likewise.
3357 (*lshrsi3_cconly): Likewise.
3358 (*lshrsi3_cmp_zext): Likewise.
3359 (*lshrhi3_cmp): Likewise.
3360 (*lshrhi3_cconly): Likewise.
3361 (*lshrqi2_cmp): Likewise.
3362 (*lshrqi2_cconly): Likewise.
3364 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3367 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3368 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3369 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3370 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3371 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3372 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3373 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3374 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3375 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3376 implement only CC setting effects of shift instructions.
3378 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3380 * doc/contrib.texi: Add myself.
3382 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3385 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3386 was set by the user.
3388 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3391 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3392 (divsi_inv_m1): Use them.
3393 (UNSPEC_DIV_INV_TABLE): New constant.
3395 2006-09-06 James E Wilson <wilson@specifix.com>
3398 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3399 then call count_or_remove_death_notes.
3401 2006-09-06 Jason Merrill <jason@redhat.com>
3404 * tree-inline.c (copy_result_decl_to_var): New fn.
3405 (declare_return_variable): Use it. Call declare_inline_vars here.
3406 (expand_call_inline): Not here.
3408 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3410 * doc/contrib.texi: Update my entry.
3412 2006-09-06 Nick Clifton <nickc@redhat.com>
3414 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3416 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3419 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3420 (canonicalize_induction_variables): Likewise.
3421 (tree_unroll_loops_completely): Likewise.
3422 (tree_ssa_prefetch_arrays): Likewise.
3423 (remove_empty_loops): Likewise.
3424 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3425 TODO_cleanup_cfg instead of directly calling
3426 cleanup_tree_cfg_loop.
3427 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3429 (tree_unroll_loops_completely): Likewise.
3430 (remove_empty_loops): Likewise.
3431 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3432 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3433 of tree_ssa_unswitch_loops.
3434 (tree_ssa_loop_ivcanon): Use the return value of
3435 canonicalize_induction_variables.
3436 (tree_ssa_empty_loop): Use the return value of
3438 (tree_complete_unroll): Use the return value of
3439 tree_unroll_loops_completely.
3440 (tree_ssa_loop_prefetch): Use the return value of
3441 tree_ssa_prefetch_arrays.
3442 * passes.c (execute_todo): Before Cleanup CFG, set
3443 updating_used_alone and after cleanup CFG, call
3444 recalculate_used_alone.
3446 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3449 * tree-vect-transform.c (vectorizable_condition): Move the check
3450 for the type after the check for simple condition.
3452 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3453 Kaz Kojima <kkojima@gcc.gnu.org>
3456 * mode-switching.c (optimize_mode_switching): Make the destination
3457 block of an abnormal edge have no anticipatable mode. Don't
3458 insert mode switching code at the end of the source block of
3461 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3463 PR rtl-optimization/26847
3464 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3465 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3466 (simplify_plus_minus): Count n_constants while filling ops. Replace
3467 qsort with insertion sort. Before going through the array to simplify
3468 pairs, sort it. Delay early exit until after the first sort, exiting
3469 only if no swaps occurred. Simplify pairs in reversed order, without
3470 special-casing the first iteration. Pack ops after simplifying pairs.
3472 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3474 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3475 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3476 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3477 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3479 2006-09-05 Richard Guenther <rguenther@suse.de>
3481 PR tree-optimization/28900
3482 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3483 compound conditional before creating COND_EXPR condition.
3485 2006-09-05 Richard Guenther <rguenther@suse.de>
3487 PR tree-optimization/28905
3488 * tree-vrp.c (fix_equivalence_set): Manually implement
3489 !value_ranges_intersect_p to also handle symbolic ranges.
3491 2006-09-05 Richard Guenther <rguenther@suse.de>
3494 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3497 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3499 PR rtl-optimization/27616
3500 * cse.c (table_size): New static variable.
3501 (new_basic_block): Initialize it to 0.
3502 (remove_from_table): Decrement it.
3503 (insert): Increment it.
3504 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3505 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3506 fold_rtx_mem_1 if under the cap.
3507 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3508 the lookup of the equivalent expression and test for equality of the
3509 first operand of the equivalent expression before in turn looking up
3510 an equivalent constant for the second operand.
3512 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3515 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3516 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3517 pointer, instead of assuming it is possible to derive the
3518 correct args size from a call insn.
3520 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3523 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3524 (fold_builtin_mempcpy): Rename to...
3525 (fold_builtin_memory_op): ... this. Optimize one element copy
3527 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3529 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3530 (expand_builtin_memcpy, expand_builtin_mempcpy,
3531 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3532 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3533 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3534 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3536 2006-09-01 DJ Delorie <dj@redhat.com>
3538 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3539 (stzx_16): Likewise.
3540 ("stzx_24_<mode>"): Likewise.
3541 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3542 ("cmp<mode>_op"): New.
3543 (cmp<mode>): Change to expander; just save operands.
3545 (b<code>): Change to expander, emit compare here.
3546 (s<code>_op): Change to use split and expander.
3547 (s<code>_24_op): Likewise.
3548 (s<code>_<mode>): New.
3549 (s<code>_<mode>_24): New.
3550 (movqicc_<code>_<mode): New.
3551 (movhicc_<code>_<mode>): New.
3554 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3555 (m32c_pend_compare): New.
3556 (m32c_unpend_compare): New.
3557 (m32c_expand_scc): New.
3558 (m32c_expand_movcc): Emit the compare also.
3559 * config/m32c/predicates.md (mra_nopp_operand): New.
3561 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3562 Richard Guenther <rguenther@suse.de>
3563 Adam Nemet <anemet@caviumnetworks.com>
3566 * builtins.c (get_pointer_alignment): Handle more forms
3567 of base addresses that can be used to derive more precise
3568 information about alignment.
3570 2006-09-01 Jason Merrill <jason@redhat.com>
3573 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3576 * gimplify.c (voidify_wrapper_expr): Handle null type.
3578 2006-09-01 Josh Conner <jconner@apple.com>
3581 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3582 (execute_return_slot_opt): Use it.
3584 2006-08-31 Josh Conner <jconner@apple.com>
3587 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3588 returning aggregates.
3590 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3592 PR tree-optimization/28839
3593 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3594 blocks in that phi arguments appear.
3596 2006-08-31 Roger Sayle <roger@eyesopen.com>
3599 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3600 NULL, otherwise use an advance_loc4 to adjust relative to the
3602 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3603 (dwarf2out_switch_text_section): Reset the current label to avoid
3604 using advance_loc4 over section boundaries.
3606 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3609 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3610 r12 + SYMBOLIC_CONST.
3612 2006-08-30 Richard Guenther <rguenther@suse.de>
3614 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3616 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3618 PR rtl-optimization/27735
3619 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3620 Add new argument to keep track of whether an irreducible region
3621 was affected. All callers changed.
3622 (fix_irreducible_loops): Removed.
3623 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3624 flags were invalidated.
3626 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3628 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3629 instead of SF operands.
3630 (*fop_df_comm_sse): Likewise.
3631 (*fop_df_comm_i387): Likewise.
3632 (*fop_df_1_mixed): Likewise.
3633 (*fop_df_1_sse): Likewise.
3635 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3636 J"orn Rennecke <joern.rennecke@st.com>
3638 PR tree-optimization/17506
3639 * tree-ssa.c (warn_uninit): If warning about a location outside of
3640 the current function, note where the variable was declared.
3642 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3644 PR tree-optimization/28411
3645 * double-int.c (double_int_div): Use double_int_divmod.
3646 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3647 double_int_mod, double_int_smod, double_int_umod): New functions.
3648 * double-int.h (double_int_divmod, double_int_sdivmod,
3649 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3651 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3653 (get_computation_aff, get_computation_cost_at): Handle double_int
3654 return type of constant_multiple_of.
3656 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3659 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3660 an implicit conversion.
3662 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3664 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3666 2006-08-27 Roger Sayle <roger@eyesopen.com>
3668 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3671 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3673 * config/i386/crtfastmath.c: Fix a comment typo.
3675 2006-08-26 Roger Sayle <roger@eyesopen.com>
3677 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3678 temporary visit flags on CASE_LABEL_EXPRs.
3679 * c-common.c (match_case_to_enum): Add function comment. Avoid
3680 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3681 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3682 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3683 a constant, only warn if that constant value isn't handled.
3685 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3688 * input.h (restore_input_file_stack): Declare.
3689 (INPUT_FILE_STACK_BITS): Define.
3690 * toplev.c (fs_p, input_file_stack_history,
3691 input_file_stack_restored, restore_input_file_stack): New.
3692 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3693 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3694 (pop_srcloc): Don't free old state of stack.
3696 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3699 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3700 (PowerPC Type Attributes): New.
3702 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3704 * config/xtensa/xtensa.c (function_arg_boundary): New.
3705 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3707 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3708 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3710 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3713 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3716 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3718 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3719 (verify_local_live_at_start): Likewise.
3721 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3724 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3725 omp_add_variable): Treat sizes as variable whenever not
3728 2006-08-26 Richard Guenther <rguenther@suse.de>
3731 * fold-const.c (fold_binary): Fold temporary to correct
3732 type before constructing new comparison.
3734 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3737 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3738 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3740 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3743 * c-decl.c (start_function): Don't try to process prototype
3744 information from old declaration that isn't a function.
3746 2006-08-25 Jan Hubicka <jh@suse.cz>
3749 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3751 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3754 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3757 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3759 PR tree-optimization/16876
3760 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3761 exit if PARM doesn't match VALUE.
3763 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3765 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3766 literal_prefix directive.
3767 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3768 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3769 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3771 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3774 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3775 predicate to general_operand. Add 0->y and I->r alternatives.
3777 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3779 * doc/tm.texi: Fix a typo.
3780 * predict.c: Fix comment typos.
3782 2006-08-25 Nick Clifton <nickc@redhat.com>
3784 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3785 assertions of "cpu" and "machine".
3787 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3790 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3791 the access through a base which has an alias set of 0 cannot
3794 2006-08-24 Bill Wendling <wendling@apple.com>
3796 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3798 2006-08-24 Jan Hubicka <jh@suse.cz>
3800 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3802 2006-08-24 Jan Hubicka <jh@suse.cz>
3805 * cgraph.c: Fix comments.
3806 (cgraph_varpool_mark_needed_node): Mark only variables not already
3808 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3809 (cgraph_varpool_assembled_nodes_queue): New static variable.
3810 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3811 (cgraph_varpool_output_debug_info): New function.
3812 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3813 * Makefile.in: Add gt-cgraphunit.h
3815 2006-08-24 Jan Hubicka <jh@suse.cz>
3817 * predict.c (probability_reliable_p): New predicate.
3818 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3819 (predict_loops): Do not predict loop exit with less than 2%
3821 * basic-block.h (edge_probability_reliable_p,
3822 br_prob_note_reliable_p): Declare.
3823 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3824 prediction when static predictor is not reliable.
3825 * rs6000.c (output_cbranch): Likewise.
3827 2006-08-23 Stuart Hastings <stuart@apple.com>
3830 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3831 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3833 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3836 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3837 complex values, nor for generic vector values.
3839 2006-08-22 Richard Guenther <rguenther@suse.de>
3842 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3843 parameter. Convert arguments to arithmetic expression to the
3845 (analyze_scalar_evolution_1): Adjust caller.
3847 2006-08-22 Jan Hubicka <jh@suse.cz>
3849 Patch by Paolo Bonzini
3850 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3853 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3855 PR tree-optimization/28003
3856 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3857 before grouping aliases.
3859 2006-08-22 Roger Sayle <roger@eyesopen.com>
3861 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3862 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3864 2006-08-21 Jason Merrill <jason@redhat.com>
3867 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3868 wrapper. Loop to handle nested wrappers.
3869 (gimplify_bind_expr): Remove temp parameter.
3870 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3871 and STATEMENT_LIST on the rhs.
3872 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3873 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3874 (gimplify_target_expr): Remove special BIND_EXPR handling.
3876 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3878 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3881 2006-08-21 Olivier Hainque <hainque@adacore.com>
3883 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3884 Arrange for the temporary captures of components overlapping the lhs
3885 to happen before the lhs is possibly cleared.
3887 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3889 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3890 necessary places to pass the correct "number of registers" values
3893 2006-08-20 Jan Hubicka <jh@suse.cz>
3895 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3896 (create_name_tags): Instead of quadratic checking use hashtable.
3897 * bitmap.h: Include hashtab.h.
3898 (bitmap_hash): Declare.
3899 * bitmap.c (bitmap_hash): New function.
3901 2006-08-20 Jan Hubicka <jh@suse.cz>
3903 PR rtl-optimization/28071
3904 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3906 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3907 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3908 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3909 cgraph_decide_inlining_incrementally): Update use of
3910 cgraph_check_inline_limits.
3911 * cgraph.c (edge_hash, edge_eq): New function.
3912 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3913 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3914 cgraph_remove_node): Maintain call site hash.
3915 * cgraph.h (struct cgraph_node): Add call_site_hash.
3916 (cgraph_set_call_stmt): New function.
3918 2006-08-20 Jan Hubicka <jh@suse.cz>
3920 PR rtl-optimization/28071
3921 * reload1.c (reg_has_output_reload): Turn into regset.
3922 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3923 choose_reload_regs, emit_reload_insns): Update to new
3924 reg_has_output_reload.
3926 2006-08-20 Jan Hubicka <jh@suse.cz>
3929 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3930 function body sizes.
3931 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3933 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3936 * tree.c (handle_dll_attribute): Return early if not a
3937 var or function decl.
3939 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3942 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3943 alignment of SPE vector types.
3945 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3947 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3949 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3952 * cgraph.h (struct cgraph_node): Remove externally_visible
3954 * cgraphunit.c (process_function_and_variable_attributes): Set
3955 local.externally_visible rather than externally_visible.
3958 * c-common.c (handle_externally_visible_attribute): First look
3959 at TREE_CODE and only if it is function or var decl, check for
3960 non-public objects. Don't warn for DECL_EXTERNAL.
3961 * cgraphunit.c (process_function_and_variable_attributes): Warn
3962 if externally_visible attribute is used on non-public object.
3964 2006-08-17 Jan Hubicka <jh@suse.cz>
3966 PR tree-optimization/27865
3967 * reload1.c (forget_marked_reloads): New function.
3968 (forget_old_reloads_1): When data are passed, just mark the registers
3970 (reload_as_needed): Use the new mechanizm.
3972 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3975 * reload.h (reg_equiv_alt_mem_list): New declaration.
3976 * reload1.c (reg_equiv_alt_mem_list): New definition.
3977 (reload): Initialize it and release it.
3978 (delete_output_reload): Use it.
3979 * reload.c (push_reg_equiv_alt_mem): New function.
3980 (find_reloads_toplev): Call it.
3981 (find_reloads_address, find_reloads_address_1): Likewise.
3982 (find_reloads_subreg_address): Likewise.
3984 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3986 PR rtl-optimization/28489
3987 * sched-ebb.c (begin_schedule_ready): Create basic block
3989 (advance_target_bb): Skip empty blocks.
3990 * haifa-sched.c (bb_note): Make global.
3991 * sched-int.h (bb_note): Add prototype.
3993 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3995 PR tree-optimization/27865
3996 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3998 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3999 fold_used_pointer, pointer_used_p): New functions.
4000 (analyze_scalar_evolution_1): Use fold_used_pointer.
4001 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4002 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4005 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4008 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4009 or the INTEGER_CST. Fail on a CALL_EXPR.
4010 (fold_offsetof): Pass new argument to fold_offsetof_1.
4011 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4012 operand into an INDIRECT_REF.
4013 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4015 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4017 PR gcov/profile/26570
4018 * value-prof.c (static_values): Removed.
4019 (tree_find_values_to_profile): Do not set static_values.
4020 (find_values_to_profile): Do not free static_values.
4021 * profile.c (instrument_values): Do not free the values.
4022 (branch_prob): Free the values.
4024 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4026 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4028 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4031 * c-typeck.c (build_component_ref): Combine qualifiers of
4032 structure or union and field.
4034 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4036 PR rtl-optimization/28071
4037 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4038 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4039 * tree-into-ssa.c (struct dom_dfsnum): New.
4040 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4042 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4043 compute_global_livein.
4044 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4045 in phi nodes in the correct blocks.
4047 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4049 PR tree-optimization/28364
4050 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4052 (fold_affine_expr): New function.
4053 (may_eliminate_iv): Use fold_affine_expr.
4055 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4058 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4061 2006-08-16 Mike Stump <mrs@apple.com>
4063 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4064 * doc/cppopts.texi (-MD): Likewise.
4066 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4069 * c-common.c (handle_weak_attribute): Ignore and warn if
4070 not a FUNCTION_ or VAR_DECL.
4072 2006-07-15 Mike Stump <mrs@apple.com>
4075 * c-parser.c (c_parser_typeof_specifier): Don't use
4076 c_finish_expr_stmt, open code desired semantics instead.
4078 2006-08-15 Nick Clifton <nickc@redhat.com>
4080 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4081 fragment to tmake_file only if threads are enabled.
4082 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4083 * config/i386/t-gthr-win32: New file. ... here.
4085 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4088 * c-parser.c (c_parser_compound_statement_nostart): Reset
4089 parser->error after each statement.
4091 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4094 * omp-low.c (lower_omp_parallel): Convert t to
4095 receiver_decl's type.
4096 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4097 source before comparison.
4100 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4101 to itype in assignment to oldival2.
4103 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4107 * c-typeck.c (build_compound_expr): If the second expression
4108 is an error mark, then just return an error mark instead of
4109 creating a COMPOUND_EXPR.
4111 2006-07-14 Mike Stump <mrs@apple.com>
4113 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4115 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4117 * c-decl.c, var-tracking.c: Fix comment typos.
4119 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4121 PR rtl-optimization/28634
4122 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4123 for floating-point modes unless flag_unsafe_math_optimizations.
4125 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4126 Andrew Pinski <pinskia@physics.uc.edu>
4129 * tree.c (build_array_type): Unify array types with
4130 unspecified index_type.
4131 * c-decl.c (grokdeclarator): Make sure we do not modify a
4132 unified incomplete array type.
4133 * c-typeck.c (store_init_value): Create distinct type before
4134 filling in the index type in an initializer from a compound
4137 * c-decl.c (grokdeclarator): Remove code where we copy the
4140 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4142 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4143 into account for TODO_dump_cgraph.
4144 (TODO_update_ssa_no_phi): Likewise.
4145 (TODO_update_ssa_full_phi): Likewise.
4146 (TODO_update_ssa_only_virtuals): Likewise.
4147 (TODO_remove_unused_locals): Likewise.
4148 (TODO_set_props): Likewise.
4149 (TODO_update_stmt_usage): Likewise.
4151 2006-08-13 Dirk Mueller <dmueller@suse.de>
4153 * c-common.c (strict_aliasing_warning): Fix formatting.
4155 2006-08-13 Matthias Klose <doko@debian.org>
4157 * doc/invoke.texi: Fix spelling errors.
4159 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4161 PR rtl-optimization/23454
4162 * reorg.c (relax_delay_slots): Update comment.
4164 2006-08-11 Richard Guenther <rguenther@suse.de>
4167 * simplify-rtx.c (simplify_const_relational_operation):
4168 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4171 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4173 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4174 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4176 2006-08-10 Paul Brook <paul@codesourcery.com>
4178 * final.c (final_scan_insn): Clear current_insn_predicate before
4179 outputting inline asm.
4181 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4183 PR tree-optimization/26197
4184 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4185 get_ref_base_and_extent and overlap_subvar to add only relevant
4186 subvars as may-aliases.
4187 (add_may_alias_for_new_tag): New function, factored out of
4189 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4190 with additional argument.
4191 * tree-flow.h (new_type_alias): Takes additional argument.
4193 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4195 * gcov.c (no_data_file): New flag.
4196 (read_count_file): Set it if data file not present. Assume counts
4198 (output_lines): Don't name the data file, if there wasn't one.
4200 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4202 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4203 (rs6000_generate_compare): Tweak comments.
4204 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4206 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4208 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4209 (var_debug_decl): New function.
4210 (var_reg_set): Follow debug decl link. Add location even if
4211 reg is already known to hold some other variable.
4212 (var_mem_set): Follow debug decl link.
4213 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4214 decl link. Delete other known locations of the variable part
4216 (var_reg_delete, var_mem_delete): Delete other known locations
4217 of the variable part if requested.
4218 (same_variable_part_p): New function.
4219 (add_stores): Select MO_COPY when appropriate.
4220 (vt_initialize): Handle it.
4221 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4222 known locations for MO_SET and MO_CLOBBER.
4223 (find_variable_location_part): New function.
4224 (set_variable_part, delete_variable_part): Use it.
4225 (clobber_variable_part): New function.
4226 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4229 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4231 PR tree-optimization/26969
4232 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4233 with an empty list of PHIs.
4235 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4239 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4242 2006-08-06 Andreas Schwab <schwab@suse.de>
4244 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4245 string. Whitespace and comment fixup.
4247 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4250 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4254 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4257 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4259 2006-08-04 Jan Hubicka <jh@suse.cz>
4263 * reload.c (push_reload): Patch out the mismatching instruction;
4265 (find_reload): Bail out if the instruction was patched out.
4267 2006-08-04 Jan Hubicka <jh@suse.cz>
4269 PR tree-optimization/24888
4270 * tree-inline.c (expand_call_inline): Do not re-record variables.
4271 (declare_inline_vars): Add variable to unexpanded_var_list.
4273 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4274 Roger Sayle <roger@eyesopen.com>
4276 PR rtl-optimization/26244
4277 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4278 inner_const are negative or greater than or equal to the bitsize of
4279 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4280 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4281 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4282 CONST0_RTX (mode) when the new shift count is greater than or equal to
4283 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4286 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4288 * tree-cfg.c: Fix a comment typo.
4290 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4293 * varasm.c (output_constant): Give the front end another chance to
4294 expand constants, after stripping NOPs.
4296 2006-08-03 Jan Hubicka <jh@suse.cz>
4298 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4301 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4303 PR tree-optimization/27770
4304 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4305 declaration removed (moved to tree-flow.h).
4306 (vect_can_force_dr_alignment_p): Likewise.
4307 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4308 (moved from tree-vectorizer.h).
4309 (vect_can_force_dr_alignment_p): Likewise.
4310 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4311 from outside the vectorizer - in particular from cgraph stage.
4312 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4313 the alignment of global arrays when -fsection-anchors is enabled.
4314 * cgraphunit.c (cgraph_increase_alignment): New function.
4315 (cgraph_optimize): Call cgraph_increase_alignment.
4317 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4320 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4321 not reload a SPE symbol_ref into a lo_sum address.
4323 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4326 * dwarf2out.c (prune_unused_types_prune): Move call to
4327 prune_unused_types_update_strings to cover the parent DIE also.
4329 2006-08-02 Jan Hubicka <jh@suse.cz>
4331 PR gcov/profile/28480
4332 * tree-cfg.c (change_bb_for_stmt): New function.
4333 (tree_merge_blocks, tree_split_blocks): Use it.
4335 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4341 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4342 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4343 (cgraph_optimize): Likewise.
4345 2006-08-01 Stuart Hastings <stuart@apple.com>
4347 * rtl.h (UINTVAL) New.
4348 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4349 * testsuite/gcc.dg/20060801-1.c: New.
4351 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4354 * c-typeck.c (build_external_type): Mark used enum types.
4355 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4357 (gen_subprogram_die): Whitespace fix.
4359 2006-08-01 Jan Hubicka <jh@suse.cz>
4361 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4362 bitmap when not needed.
4363 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4366 2006-08-01 Dirk Mueller <dmueller@suse.de>
4368 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4370 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4372 * Makefile.in: Revert part of previous patch:
4373 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4376 2006-07-30 Eric Christopher <echristo@apple.com>
4379 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4380 (PowerPC Variable Attributes): New section.
4382 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4384 PR target/28126 (partial fix)
4385 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4387 2006-07-28 Jan Hubicka <jh@suse.cz>
4389 PR rtl-optimization/28071
4390 * cfgrtl.c (rtl_delete_block): Free regsets.
4391 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4393 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4395 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4396 and variables used in dependencies.
4398 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4400 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4401 %fs for -mcmodel=kernel.
4402 (stack_tls_protect_test_di): Likewise.
4404 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4406 * Makefile.in: Use mkinstalldirs.
4408 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4411 * opts-common.c (prune_options): Skip joined switches.
4413 2006-07-27 Jan Hubicka <jh@suse.cz>
4415 PR rtl-optimization/28071
4416 * cselib.c (cselib_process_insn): Don't remove useless values too
4417 often for very large hashtables.
4419 2006-07-27 Jan Hubicka <jh@suse.cz>
4421 PR rtl-optimization/28071
4422 * global.c (greg_obstack): New obstack.
4423 (allocate_bb_info): Use it.
4424 (free_bb_info): Likewise.
4425 (modify_reg_pav): Likewise.
4427 2006-07-27 Roger Sayle <roger@eyesopen.com>
4429 * builtins.c (fold_fixed_mathfn): When long and long long are the
4430 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4431 functions to their lceil*, lfloor*, lround* and lrint* forms.
4433 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4436 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4438 (rev_branch_insn): Likewise.
4440 2006-07-27 Jan Hubicka <jh@suse.cz>
4442 PR rtl-optimization/28071
4443 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4444 (reg_set_in_bb, max_reg_computed): New static variables.
4445 (regmove_optimize): Free the new array.
4446 (fixup_match_1): Update call of reg_is_remote_constant_p.
4448 2006-07-26 Jan Hubicka <jh@suse.cz>
4450 PR tree-optimization/27882
4451 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4453 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4455 (cgraph_analyze_compilation_unit): Likewise.
4456 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4457 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4458 (cgraph_early_inlinine): Make order garbage collected.
4459 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4461 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4463 * dbxout.c (output_types_sort): Add a comment.
4464 (output_used_types): Free the VEC.
4466 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4468 * function.c (reorder_fix_fragments): Delete.
4469 (reorder_blocks): Don't call it.
4470 (reorder_blocks_1): Put all subblocks under the origin block.
4472 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4474 PR rtl-optimization/27907
4475 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4478 2006-07-25 Roger Sayle <roger@eyesopen.com>
4481 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4482 bar(x) check that bar's result type can represent all the values of T.
4484 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4486 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4488 2006-07-25 Nick Clifton <nickc@redhat.com>
4490 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4491 size_lookup[] array.
4492 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4493 (ggc_pch_count_object): Likewise.
4494 (ggc_pch_alloc_object): Likewise.
4495 (ggc_pch_write_object): Likewise.
4496 (init_ggc): Do not attempt to initialize entries in the
4497 size_lookup[] array for objects whose size is greater than than
4498 the length of the array.
4500 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4502 * dbxout.c (output_used_types_helper): Push queued types
4504 (output_types_sort): New.
4505 (output_used_types): Collect used types on a VEC and sort them
4508 2006-07-24 Richard Guenther <rguenther@suse.de>
4511 * cgraph.c (cgraph_remove_node): Do not check if dumps
4513 * cgraphunit.c (cgraph_optimize): Likewise.
4515 2006-07-24 Jan Hubicka <jh@suse.cz>
4517 PR rtl-optimization/28071
4518 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4519 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4520 splitting before first stmt.
4522 2006-07-24 Jan Hubicka <jh@suse.cz>
4524 PR rtl-optimization/28071
4525 * ipa-inline.c (update_caller_keys): Remove edges that
4526 are no longer inline candidates.
4528 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4531 * dbxout.c (output_used_types_helper, output_used_types): New.
4532 (dbxout_symbol): Call output_used_types.
4534 2006-07-23 Jan Hubicka <jh@suse.cz>
4538 * cgraph.c (cgraph_varpool_nodes): Export.
4539 (decide_is_variable_needed): Ignored "used" attribute in
4540 unit-at-a-time mode.
4541 * cgraph.h (cgraph_varpool_nodes): Declare.
4542 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4543 unit-at-a-time mode.
4545 2006-07-23 Roger Sayle <roger@eyesopen.com>
4548 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4549 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4550 the __gthrw form of thr_keycreate.
4551 (__gthread_key_delete): Silence the unused argument warning.
4553 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4556 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4557 Cache the last found '\0' marker to avoid quadratic behavior.
4559 2006-07-23 Jan Hubicka <jh@suse.cz>
4561 * i386.md (subsi_3_zext): Fix output template.
4563 2006-07-21 Mike Stump <mrs@apple.com>
4565 * doc/invoke.texi (C++ Dialect Options): Note that
4566 -fvisibility-inlines-hidden doesn't affect explicitly
4567 instantiationed inline methods.
4569 2006-07-20 Roger Sayle <roger@eyesopen.com>
4571 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4572 if the target assembler is GNU binutils' gas.
4573 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4574 whether to pass GNU gas or native as command line options.
4576 2006-07-20 Jason Merrill <jason@redhat.com>
4578 * tree.c (remove_attribute): New fn.
4579 * tree.h: Declare it.
4581 2006-07-20 Paul Brook <paul@codesourcery.com>
4584 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4585 they are invalidated by this instruction.
4587 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4590 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4592 2006-07-20 Eric Christopher <echristo@apple.com>
4595 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4597 2006-07-19 Eric Christopher <echristo@apple.com>
4599 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4600 Rewrite dependencies for libgcc_s.1.dylib.
4602 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4604 * except.c (duplicate_eh_regions_1): Clear next_peer.
4606 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4608 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4609 -mlongcall does not guarantee all calls will be long.
4610 * doc/extend.texi (long_call/short_call): Document that longcall
4611 does not guarantee a long call will be used.
4612 (longcall/shortcall): Likewise.
4614 2006-07-18 Roger Sayle <roger@eyesopen.com>
4617 * expmed.c (expand_shift): Additionally check that the shift_cost
4618 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4619 before implementing a LSHIFT_EXPR as a sequence of additions.
4620 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4621 middle-end that DImode shifts need to be synthesized by expand.
4623 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4626 * tree-ssa-operands.c (access_can_touch_variable): Update
4628 Return true if ALIAS is .GLOBAL_VAR.
4630 2006-07-18 David Daney <ddaney@avtrex.com>
4632 * gcc.c (display_help): Fix typo in help text.
4634 2006-07-18 Olivier Hainque <hainque@adacore.com>
4636 * tree.h (categorize_ctor_elements): Adjust prototype and add
4637 descriptive comment, both in accordance with the interface change
4639 * varasm.c (constructor_static_from_elts_p): New function.
4640 Whether a constructor node is a valid static constant initializer
4641 if all its elements are.
4642 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4643 * output.h: Declare it.
4644 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4645 is a valid constant initializer instead of computing the number of
4646 non-constant elements. Use constructor_static_from_elts_p for this
4647 purpose. Replace the head comment with an indication that this is a
4648 helper for categorize_ctor_elements.
4649 (categorize_ctor_elements): Same interface change as for the _1
4650 helper. Former head comment from this helper moved here, adjusted to
4651 account for the interface changes.
4652 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4653 (all_zeros_p): Likewise.
4654 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4655 static versions of the constructor from the categorize_ctor_elements
4656 return value instead of the formerly computed number of non-constant
4659 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4661 * configure: Regenerate.
4662 * Makefile.in (build_libsubdir): New configure substitution
4663 (build_libobjdir): New variable.
4664 (BUILD_LIBIBERTY): Use it.
4666 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4669 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4671 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4674 * c-common.c (handle_weakref_attribute): Ignore attribute in
4675 the same conditions the alias attribute is ignored.
4677 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4679 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4680 (dbxout_begin_prologue): Increment scope_labelno.
4682 2006-07-17 Richard Henderson <rth@redhat.com>
4685 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4688 2006-07-17 Roger Sayle <roger@eyesopen.com>
4689 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4691 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4692 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4693 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4694 functions such as sbrk, write, etc.. Add function prototypes.
4695 Convert function declarations from K&R to ISO C. Cast pointers
4696 to "long" and "unsigned long" instead of "int" and "unsigned int".
4697 Convert tokens following #endif into comments.
4699 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4701 * invoke.texi: Remove mention of f77; Reformat table for
4702 inline parameter options correctly; mention that -malign-double
4703 is default on x86-64 targets.
4705 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4707 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4708 (convert_affine_scev, chrec_convert_aggressive): Use
4709 avoid_arithmetics_in_type_p. Do not check for the subtypes
4712 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4715 * optabs.c (expand_doubleword_shift): Wrap the call to
4716 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4718 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4721 * optabs.c (expand_binop): Pass next_methods rather than methods
4722 to expand_doubleword_shift.
4724 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4727 * tree.h (dump_addr): Declare.
4728 * print-tree.c (dump_addr): New function.
4729 (print_node_brief, print_node): Use it.
4730 * print-rtl.c (print_rtx): Likewise.
4731 * common.opt (-fdump-noaddr): New option.
4732 * doc/invoke.texi (-fdump-noaddr): Document.
4733 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4734 (ve_info_hash): Likewise.
4736 2006-07-13 Andrew Haley <aph@redhat.com>
4738 PR tree-optimization/19505
4739 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4740 edge leaving this block, make sure that the destination of this
4741 block has only one predecessor.
4743 2006-07-17 Richard Guenther <rguenther@suse.de>
4745 PR tree-optimization/28238
4746 * tree-inline.c (copy_bb): Check if we produced valid
4747 gimple copying and substituting a stmt. If not, gimplify
4750 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4752 * optabs.c (maybe_encapsulate_block): New function extracted from...
4753 (emit_libcall_block): ...here. Invoke it on the block of insns to
4754 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4755 (emit_no_conflict_block): Likewise.
4757 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4759 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4761 2006-07-15 Roger Sayle <roger@eyesopen.com>
4763 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4764 a new NOP_EXPR case of the switch statement.
4766 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4769 * stor-layout.c (place_field): Take the bit field with
4770 an excessive size into account in the ms-bitfiled case.
4773 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4774 the previous bit field.
4776 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4779 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4781 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4783 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4784 signal frames correctly even when the signal was installed with
4787 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4789 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4790 (dbxout_function_end): Use local label LFBB. Remove hook
4792 (dbxout_source_line): Use local label LFBB.
4793 (dbxout_block): Likewise.
4794 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4795 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4796 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4797 and DBX_OUTPUT_NFUN.
4799 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4801 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4803 2006-07-13 Jan Hubicka <jh@suse.cz>
4805 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4807 * output.h (align_variable): Declare.
4808 * varasm.c (align_variable): Export.
4809 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4810 when basic block changed.
4812 2006-07-13 Nick Clifton <nickc@redhat.com>
4814 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4815 walking the LOG_LINKS chain.
4817 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4819 * doc/invoke.texi (C++ Dialect Options): Explain difference
4820 between -fvisibility-inlines-hidden and setting hidden
4821 visibility explicitly.
4823 2006-07-12 Eric Christopher <echristo@apple.com>
4825 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4826 (stmp-lipo): Depend on libgcc.a.
4828 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4830 * tree.c: Fix a comment typo.
4832 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4834 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4836 (umulhisi3_r): Likewise.
4838 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4841 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4842 x < 19, vs wchar_t support.
4844 2006-07-12 Nick Clifton <nickc@redhat.com>
4846 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4847 instead of -isa=sh4.
4849 2006-07-12 Mike Stump <mrs@apple.com>
4851 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4853 2006-07-10 Eric Christopher <echristo@apple.com>
4855 * config/t-slibgcc-darwin: Rewrite.
4857 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4860 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4863 2006-07-08 Matthias Klose <doko@debian.org>
4865 * doc/sourcebuild.texi: Fix typo.
4867 2006-07-07 Mike Stump <mrs@apple.com>
4869 * toplev.c (process_options): Don't give -ffunction-sections may
4870 affect debugging warning for Mach-O.
4872 2006-07-07 James E Wilson <wilson@specifix.com>
4874 * config/mips/mips.md (cpu): Add sb1a.
4875 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4876 addition to sb1. Adjust comments to clarify SB-1A differences from
4878 (ir_sb1a_load): New. Modify bypasses to use it.
4879 (ir_sb1a_simple_alu): Likewise.
4880 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4881 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4882 (mips_issue_rate): Add PROCESSOR_SB1A.
4883 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4884 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4885 (TARGET_SB1): Add PROCESSOR_SB1A check.
4886 (TUNE_SB1): Likewise.
4888 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4889 * config/mips/mips.c (mips_store_data_bypass_p): New.
4890 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4891 store_data_bypass_p.
4893 2006-07-08 Paul Brook <paul@codesourcery.com>
4896 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4898 2006-07-07 Richard Guenther <rguenther@suse.de>
4901 * tree.h (build_one_cst): Declare.
4902 * tree.c (build_one_cst): New function.
4903 * tree-ssa-math-opts.c (get_constant_one): Remove.
4904 (insert_reciprocals): Use build_one_cst.
4905 * fold-const.c (fold_plusminus_mult): Likewise.
4907 2006-07-07 Roger Sayle <roger@eyesopen.com>
4909 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4910 * cfgloopanal.c (dump_graph): Likewise.
4911 * dojump.c (discard_pending_stack_adjust): Likewise.
4912 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4914 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4915 * function.c (finalize_block_changes): Likewise.
4916 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4917 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4918 * rtl.c (dump_rtx_statistics): Likewise.
4919 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4921 * varray.c (dump_varray_statistics): Likewise.
4922 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4923 decode_decimal64, encode_decimal128, decode_decimal128,
4924 decimal_real_to_decimal): Likewise.
4926 2006-07-07 Richard Guenther <rguenther@suse.de>
4928 PR tree-optimization/28187
4929 * tree-vrp.c (vrp_operand_equal_p): New function.
4930 (vrp_bitmap_equal_p): Likewise.
4931 (update_value_range): Use them to compare old and new
4934 2006-07-06 Roger Sayle <roger@eyesopen.com>
4936 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4937 a default case to switch statement to silence compiler warnings.
4939 2006-07-06 Roger Sayle <roger@eyesopen.com>
4942 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4943 the configured assembler supports the x87's ffreep mnemonic.
4944 * configure: Regenerate.
4945 * config.in: Regenerate.
4947 * config/i386/i386.c (output_387_ffreep): New function.
4948 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4949 (output_387_reg_move): Likewise.
4951 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4953 Port to hosts whose 'sort' and 'tail' implementations
4954 treat operands with leading '+' as file names, as POSIX
4955 has required since 2001. However, make sure the code still
4956 works on pre-POSIX hosts.
4957 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4958 which says you should use "tail -c +N" rather than "tail +Nc".
4959 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4961 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4963 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4966 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4969 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4970 PRE_{INC,DEC} of TFmode.
4972 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4973 Alan Modra <amodra@bigpond.net.au>
4976 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4979 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4982 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4983 Remove duplicate gtu.
4985 2006-07-05 Jason Merrill <jason@redhat.com>
4989 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4990 * c-common.c (handle_packed_attribute): So don't copy it here.
4991 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4993 2006-07-05 Mike Stump <mrs@apple.com>
4995 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4997 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5000 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5002 2006-07-05 Richard Guenther <rguenther@suse.de>
5005 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5006 TARGET_SSE2 targets if using SSE math.
5007 (*absdf2_1): Likewise.
5009 2006-07-05 Richard Guenther <rguenther@suse.de>
5011 PR tree-optimization/28162
5012 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5013 make sure to convert the operands to the correct type.
5015 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5017 PR tree-optimization/28218
5019 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5020 to calculate and free the dominator information.
5022 2006-07-04 Peter O'Gorman <peter@pogma.com>
5024 * mklibgcc.in: chmod 644 before ranlib during install.
5026 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5027 J"orn Rennecke <joern.rennecke@st.com>
5029 * configure.ac (.eh_frame data check): Use diff -b.
5031 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5034 * Makefile.in (BUILD_RTL): Add build/vec.o.
5035 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5036 (build/genextract): Delete.
5037 (build/genautomata): Likewise.
5039 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5042 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5043 128-bit IBM long doubles for ABI_V4.
5045 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5047 * tree.c (range_in_array_bounds_p): New predicate.
5048 * tree.h (range_in_array_bounds_p): Declare it.
5049 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5050 return a less conservative answer.
5051 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5052 and flag 'is_group'.
5053 (IS_ELEMENT_FOR_GROUP): New macro.
5054 (FOR_EACH_ACTUAL_CHILD): Likewise.
5055 (next_child_for_group): New helper function.
5056 (can_completely_scalarize_p): Take into account groups.
5057 (sra_hash_tree): Handle RANGE_EXPR.
5058 (sra_elt_eq): Likewise.
5059 (lookup_element): Be prepared for handling groups.
5060 (is_valid_const_index): Delete.
5061 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5062 instead of is_valid_const_index.
5063 <ARRAY_RANGE_REF>: New case.
5064 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5065 is_valid_const_index.
5066 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5067 (scan_dump): Dump info for groups too.
5068 (decide_instantiation_1): Likewise.
5069 (decide_block_copy): Assert that the element is not a group.
5070 Propagate decision to groups.
5071 (generate_one_element_ref): Handle RANGE_EXPR.
5072 (mark_no_warning): Iterate over actual childs.
5073 (generate_copy_inout): Likewise.
5074 (generate_element_copy): Likewise.
5075 (generate_element_zero): Likewise.
5076 (generate_element_init_1): Likewise.
5077 (dump_sra_elt_name): Handle RANGE_EXPR.
5079 2006-07-03 Roger Sayle <roger@eyesopen.com>
5081 PR tree-optimization/26251
5082 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5083 (thread_block): When optimizing for size refuse to thread jumps
5084 that would require duplication of blocks other than redirection
5087 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5089 * configure.ac: Fix thinko in previous check-in.
5090 * configure: Regenerate.
5092 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5095 * configure.ac (for lang...): Simplify nesting of conditionals.
5096 Test subdir_requires for non-enabled languages. Move processing
5097 of lang_opt_files and lang_tree_fiels below that test.
5098 * configure: Regenerate.
5099 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5101 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5103 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5105 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5107 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5110 2006-06-29 Jason Merrill <jason@redhat.com>
5117 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5118 * c-common.c (c_determine_visibility): Handle it here.
5119 * c-decl.c (finish_decl): Call c_determine_visibility for
5121 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5123 * varasm.c (default_assemble_visibility): Likewise.
5124 * c-common.c (handle_visibility_attribute): Complain about trying
5125 to give visibility to an already defined class, or trying to change
5126 declared visibility. Always attach the attribute.
5131 * attribs.c (decl_attributes): Ignore type-in-place attributes
5132 once the type has been defined.
5134 2006-06-29 Roger Sayle <roger@eyesopen.com>
5137 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5138 to indicate the cpplib has issued an error message for us.
5140 2006-06-29 Asher Langton <langton2@llnl.gov>
5143 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5144 insert a label at the end of an function under Mach-O.
5146 2006-06-29 Eric Christopher <echristo@apple.com>
5147 Evan Cheng <evan.cheng@apple.com>
5149 * predicates.md (vector_all_ones_operand): New.
5150 (nonimmediate_or_sse_const_operand): Ditto.
5151 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5152 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5153 (standard_sse_mode_p): Ditto.
5154 (standard_sse_constant_p): Add case for -1 vector.
5155 (ix86_expand_vector_move): Try to use.
5156 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5157 Call standard_sse_constant_opcode.
5158 (*movv4sf_internal): Ditto.
5159 (*movv2df_internal): Ditto.
5161 2006-06-29 Roger Sayle <roger@eyesopen.com>
5163 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5164 of XEXP to extract the operands of a MATCH_CODE rtx.
5166 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5168 * tree.c (tree_size): Do not waste tail padding in
5169 struct tree_string and make the size be the same as
5170 build_string will generate.
5172 2006-06-28 Jason Merrill <jason@redhat.com>
5175 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5176 may_aliases already in the tag's annotations to the bitmap.
5178 2006-06-28 Roger Sayle <roger@eyesopen.com>
5180 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5182 2006-06-28 Roger Sayle <roger@eyesopen.com>
5184 * genpreds.c (generate_switch_p): New function.
5185 (add_mode_tests): Push the new mode test down inside an AND expr
5186 if this allows the switch-suitable MATCH_CODE to be near the root.
5187 (write_match_code_switch): New function to write a MATCH_CODE as
5189 (write_predicate_stmts): New function to write a predicate RTX
5190 expression as a sequence of statements.
5191 (write_one_predicate_function): Use write_predicate_stmts.
5192 (write_tm_constrs_h): Likewise.
5194 2006-06-26 Fred Fish <fnf@specifix.com>
5196 * config/mips/t-sb1: New file.
5197 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5200 2006-06-26 DJ Delorie <dj@redhat.com>
5202 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5204 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5205 Jayant Sonar <jayants@kpitcummins.com>
5206 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5208 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5209 (subsi3, subsi3_1, subsi3_2): New.
5210 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5211 * config/m32c/mov.md (SI mov peephole): New.
5212 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5213 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5215 2006-06-26 Olivier Hainque <hainque@adacore.com>
5217 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5218 a CALL_EXPR target function declaration.
5220 2006-06-26 Richard Guenther <rguenther@suse.de>
5222 * tree.c (build_string): Do not waste tail padding in
5225 2006-06-26 Richard Guenther <rguenther@suse.de>
5227 * ggc-page.c (init_ggc): Add missing element to size_lookup
5231 2006-06-23 Richard Guenther <rguenther@suse.de>
5233 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5234 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5235 alignment requests instead. Add verification code.
5236 Add struct tree_function_decl and struct tree_binfo size to
5237 extra_order_size_table. Add missing element to size_lookup
5240 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5243 * fold-const.c (const_binop): Be prepared for self returning zero.
5244 Simplify code handling complex values.
5246 2006-06-24 Olivier Hainque <hainque@adacore.com>
5248 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5249 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5252 2006-06-24 Olivier Hainque <hainque@adacore.com>
5254 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5255 ARRAY_REF, so have the callback called for the low bound expression.
5257 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5259 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5260 * c-typeck.c (c_common_type): Disallow operations on decimal float
5261 types and other float types.
5262 * convert.c (convert_to_real): Don't ignore conversions involving
5263 decimal float types.
5265 2006-06-23 Olivier Hainque <hainque@adacore.com>
5267 * tree.c (max_int_size_in_bytes): New function, inspired from
5268 code in function.c:assign_temp.
5269 * tree.h (max_int_size_in_bytes): Declare.
5270 * function.c (assign_temp): Use it.
5271 * gimplify.c (create_tmp_var): Relax the assertions on the type
5272 properties, not mandating constant size any more.
5273 (force_constant_size): New static function.
5274 (gimple_add_tmp_var): Use it, forcing variable size to a
5275 constant upper bound if it is not constant on entry.
5277 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5280 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5281 for initialization and setting of one_only flag to ...
5282 (i386_pe_encode_section_info): ...here.
5283 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5284 Recheck that the symbol has not been defined.
5286 2006-06-23 Richard Guenther <rguenther@suse.de>
5288 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5289 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5290 alignment requests instead. Add verification code.
5291 Add struct tree_function_decl and struct tree_binfo size to
5292 extra_order_size_table. Add missing element to size_lookup
5295 2006-06-22 Roger Sayle <roger@eyesopen.com>
5296 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5299 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5300 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5302 2006-06-23 Ben Elliston <bje@au.ibm.com>
5304 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5305 negate dn -- manipulate it directly.
5307 2006-06-22 Roger Sayle <roger@eyesopen.com>
5308 Steven Bosscher <stevenb.gcc@gmail.com>
5311 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5312 generated by gen_move_insn to add REG_LABEL notes if necessary.
5314 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5316 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5317 (leaf_entry): Remove use of MIN_ESA.
5319 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5321 PR rtl-optimization/28121
5322 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5325 2006-06-21 DJ Delorie <dj@redhat.com>
5327 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5329 (mulhisi3_r): Likewise.
5331 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5334 * coverage.c (coverage_counter_alloc): Leave the index type
5336 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5339 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5341 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5342 section from the "Options for Code Generation Conventions".
5344 2006-06-21 Richard Henderson <rth@redhat.com>
5348 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5350 (global_symbolic_operand): Allow weak symbols, even if local_p.
5352 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5354 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5355 (find_interesting_uses_address): Punt if above function returns true.
5357 2006-06-21 Richard Guenther <rguenther@suse.de>
5359 * configure: Regenerated.
5361 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5363 * config/mips/mips.c (function_arg): Where one part of a
5364 complex argument is in registers and the other part in the stack,
5365 return a REG not a PARALLEL.
5367 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5369 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5370 when cross-compiling. Do not substitute libstdcxx_incdir.
5371 * configure: Regenerated.
5373 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5375 * varasm.c (mergeable_string_section): Check for embedded NULs and
5376 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5377 rather than TREE_STRING_LENGTH bytes.
5379 2006-06-21 Richard Guenther <rguenther@suse.de>
5381 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5382 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5385 2006-06-21 Richrad Guenther <rguenther@suse.de>
5387 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5388 Limit iteration over the dominators.
5390 2006-06-20 Roger Sayle <roger@eyesopen.com>
5392 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5393 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5395 2006-06-20 Richard Guenther <rguenther@suse.de>
5396 Michael Matz <matz@suse.de>
5398 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5400 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5401 * et-forest.h (et_free_pools): Prototype new function.
5402 * et-forest.c (et_free_tree_force): Free parent occurrence.
5403 (et_free_pools): New function.
5404 * dominance.c (free_dominance_info): Free et-forest alloc
5407 2006-06-20 Roger Sayle <roger@eyesopen.com>
5409 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5410 integer modes, attempt to directly construct an integer constant.
5412 * fold-const.c (native_encode_vector): Determine the size of each
5413 element from the vector type instead of the first vector element.
5415 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5416 if all of its elements/components are constant.
5417 (build_constructor_from_list): Likewise.
5419 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5421 PR tree-optimization/27331
5422 * tree-data-ref.c (free_data_ref): New function.
5423 (create_data_ref): Fail if the data reference has unknown access
5425 (free_data_refs): Use free_data_ref.
5427 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5430 * tree-inline.c (setup_one_parameter): Strip useless
5431 type conversion before adding it to the IR.
5432 (declare_return_variable): Likewise.
5434 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5437 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5439 2006-06-19 Mike Stump <mrs@apple.com>
5441 * tree.c (variably_modified_type_p): VM arguments don't make the
5444 2006-06-19 Richard Guenther <rguenther@suse.de>
5446 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5447 type conversions after folding.
5449 2006-06-19 Richard Guenther <rguenther@suse.de>
5451 * ggc-page.c (extra_order_size_tab): Add entries with
5452 size of struct function and basic_block.
5453 (size_lookup): Extend to cover sizes up to 511.
5454 (ggc_alloc_stat): Adjust user.
5455 (ggc_pch_count_object): Likewise.
5456 (ggc_pch_alloc_object): Likewise.
5457 (ggc_pch_write_object): Likewise.
5459 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5461 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5462 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5465 2006-06-19 Denis Chertykov <denisc@overta.ru>
5467 * config/avr/libgcc.S : Correct my wrong previous commit.
5469 2006-06-19 Roger Sayle <roger@eyesopen.com>
5472 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5473 have stripped a SUBREG from the shift count, so we may need to
5474 convert_to_mode back to the type's mode before calling make_tree.
5475 Use new_amount instead of amount to avoid expanding a tree twice.
5477 2006-06-19 Richard Guenther <rguenther@suse.de>
5480 * fold-const.c (operand_equal_p): Check if the argument types
5481 have the same precision before stripping NOPs.
5483 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5485 Fix PR tree-optimization/27341
5486 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5488 * tree-complex.c (pass_lower_complex): Update SMT usage.
5490 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5492 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5493 Add a new alternative to the constraint strings. Add move of
5494 operand 1 to 3 to the splitter definition.
5495 ("doloop_si_long"): Second contraint alternative removed.
5497 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5499 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5500 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5502 (AVR_HAVE_MOVW) Define.
5503 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5504 (ASM_SPEC): Add avr25.
5505 (LINK_SPEC): Add avr25.
5506 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5507 (base_arch_s): Add new member 'have_movw_lpmx'.
5508 (avr_arch_types): Init 'have_movw_lpmx'.
5509 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5510 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5511 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5512 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5513 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5515 (avr_file_start): Do not output '.arh' derective.
5516 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5517 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5518 * config/avr/avr.md (mcu_enhanced): Delete.
5519 (mcu_have_movw): Define.
5520 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5521 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5522 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5523 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5524 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5525 attiny861 and at86rf401 devices.
5527 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5529 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5532 2006-06-17 Karl Berry <karl@gnu.org>
5534 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5535 doc/gccint.texi, doc/install.texi (@dircategory): Use
5536 "Software development" instead of "Programming", following
5537 the Free Software Directory.
5539 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5541 * config/i386/i386.c (legitimate_tls_address)
5542 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5543 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5544 (*tls_dynamic_gnu2_combine_64): Likewise.
5546 2006-06-16 Richard Guenther <rguenther@suse.de>
5549 * fold-const.c (negate_expr_p): Do not introduce undefined
5550 overflow in negating INTEGER_CSTs.
5551 (fold_negate_expr): Rename from negate_expr. Revert last
5552 change for folding BIT_NOT_EXPR. Change semantics to
5553 return NULL_TREE for non-simplified negations. Do not
5554 strip type conversions and unify type handling.
5555 (negate_expr): New function, wrap around fold_negate_expr
5556 but ensure building a tree always. Strip type conversions
5557 here, fold to result type.
5558 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5560 2006-06-16 Roger Sayle <roger@eyesopen.com>
5563 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5564 that (would) return their results in stack registers.
5566 2006-06-16 Michael Matz <matz@suse.de>
5567 Richard Guenther <rguenther@suse.de>
5569 * fold-const.c (fold_truthop): Only return new tree node if
5570 we canonicalized something.
5572 2006-06-16 Richard Guenther <rguenther@suse.de>
5574 * function.h (enum function_frequency): Move declaration
5575 out of struct function.
5576 (struct function): Move bool fields and the enum to the bitfield
5577 section. Reorder elements to avoid padding. Remove unused
5578 fields left over from the RTL inliner removal.
5579 * function.c (free_after_compilation): Do not zero removed fields.
5580 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5581 (ipa-type-escape.o): Likewise.
5583 2006-06-16 Richard Guenther <rguenther@suse.de>
5585 * cgraph.h (struct cgraph_local_info): Turn bool elements
5587 (struct cgraph_node): Likewise.
5588 (struct cgraph_varpool_node): Likewise.
5590 2006-06-15 Richard Guenther <rguenther@suse.de>
5592 * fold-const.c (fold_truth_not_expr): Rename from
5593 invert_truthvalue. Give it fold_* semantics to avoid
5595 (invert_truthvalue): New function. Wrapper around
5596 fold_truth_not_expr.
5597 (optimize_minmax_comparison): Avoid creating garbage.
5598 (fold_unary): Use fold_truth_not_expr for folding
5600 (fold_ternary): Replace uses of invert_truthvalue with
5601 fold_truth_not_expr where applicable.
5602 * tree.h (fold_truth_not_expr): Prototype.
5604 2006-06-16 Richard Guenther <rguenther@suse.de>
5606 PR tree-optimization/27781
5607 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5608 * ipa-pure-const.c (target.h): Include.
5609 (analyze_function): Do not analyze functions that do not
5612 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5615 * tree-dfa.c (referenced_vars_dup_list): Remove.
5616 (find_referenced_vars): Remove assert.
5617 (referenced_var_check_and_insert): Replace dup list with assert.
5618 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5619 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5621 2006-06-15 Richard Guenther <rguenther@suse.de>
5623 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5624 extra unused identifiers if not dumping.
5625 (create_variable_info_for): Likewise.
5627 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5629 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5630 (derive_constant_upper_bound): Derive more precise upper bound in
5631 common cases. Return type changed to double_int.
5632 (record_estimate): Reflect the changed return type of
5633 derive_constant_upper_bound.
5634 * double-int.c (double_int_zext, double_int_sext): Fix.
5636 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5638 * configure.ac (CFLAGS): Get them from the toplevel or from the
5639 configure invocation.
5640 * configure: Regenerate.
5641 * Makefile.in (CFLAGS): Substitute value provided by configure.
5643 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5646 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5647 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5648 rather than calling add_stmt on it.
5649 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5651 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5654 * reload1.c (reload): Remove registers returned by update_eliminables
5655 from used_spill_regs.
5657 2006-06-13 DJ Delorie <dj@redhat.com>
5659 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5661 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5663 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5664 html__strip_dir, html__mkdir_p. Enhance install-html target.
5665 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5666 * configure: Regenerate.
5668 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5670 * fold-const.c (fold_cond_expr_with_comparison): Check for
5671 Objective-C++ as language in deciding COND_EXPR transformation.
5673 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5676 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5677 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5678 * config/sh/lib1funcs.h (SL, SL1): Define.
5679 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5680 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5681 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5682 (OBJS_Os_4_200): New variable.
5683 ($(T)libgcc-Os-4-200.a): Use it.
5684 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5685 when dividing 1 and/or by 0.
5687 2006-06-13 Roger Sayle <roger@eyesopen.com>
5689 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5690 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5691 * configure: Regenerate.
5693 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5695 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5696 for real instruction.
5698 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5701 * haifa-sched.c (check_cfg): Handle special case.
5703 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5706 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5707 Add debug_info parameter. Chain the vars to the BLOCK instead
5708 of the BIND_EXPR if debug info are requested for them.
5709 (pop_gimplify_context): Adjust for above change.
5710 (gimple_add_tmp_var): Likewise.
5711 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5713 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5714 (convert_local_reference): Likewise.
5715 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5716 (finalize_nesting_tree_1): Request that debug info be emitted
5717 for debug_var_chain.
5719 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5721 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5722 for PR target/27863.
5724 2006-06-13 Richard Guenther <rguenther@suse.de>
5727 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5729 2006-06-13 Richard Guenther <rguenther@suse.de>
5731 PR tree-optimization/27830
5732 * tree-inline.c (copy_body_r): For copying the operand
5733 of an ADDR_EXPR make sure to fold &* afterwards.
5735 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5737 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5738 lvalues in the fb_none case with side-effects.
5740 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5742 * tree-flow.h: Remove the prototype for
5743 compute_phi_arg_on_exit.
5744 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5745 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5748 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5750 * builtins.c (expand_builtin_return_addr): Only use
5751 frame_pointer_rtx when count == 0 and we are expanding
5752 __builtin_return_address.
5754 2006-06-12 Fred Fish <fnf@specifix.com>
5756 * config/mips/mips.c (mips_file_start): Create special section
5757 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5759 2006-06-11 Eric Christopher <echristo@apple.com>
5762 * stor-layout.c (place_field): Remove check for
5763 remaining_in_alignment when aligning at the end of a run.
5765 2006-06-11 Eric Christopher <echristo@apple.com>
5768 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5771 2006-06-11 Roger Sayle <roger@eyesopen.com>
5774 Revert incorrect fix for PR target/27158
5775 2006-05-08 Roger Sayle <roger@eyesopen.com>
5776 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5777 of a reg_equiv_constant if the result is a legitimate constant.
5779 2006-06-11 Roger Sayle <roger@eyesopen.com>
5782 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5783 extract a CONST_VECTOR element and interpret it as an integer.
5784 (vspltis_constant): Use const_vector_elt_as_int instead of the
5785 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5786 * config/rs6000/predicates.md (easy_vector_const): Consider
5787 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5789 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5792 * stor-layout.c (update_alignment_for_field): Don't add extra
5793 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5796 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5798 * config/mips/t-rtems: Add EL/EB multilib variants.
5800 2006-06-09 Mike Stump <mrs@apple.com>
5802 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5804 2006-06-09 David Daney <ddaney@avtrex.com>
5806 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5808 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5810 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5812 2006-06-09 Richard Guenther <rguenther@suse.de>
5814 PR tree-optimization/26998
5815 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5816 of signed types, only TYPE_MIN_VALUE is special, but for both,
5817 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5818 in this case, as is -fwrapv.
5820 2006-06-08 Mike Stump <mrs@apple.com>
5823 * config/darwin.c (darwin_asm_output_anchor): Disable
5824 -fsection-anchors on darwin for now.
5825 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5826 * rs6000/rs6000.c (optimization_options): Likewise.
5828 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5831 * config/i386/i386.c (classify_argument): Skip fields with invalid
5834 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5836 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5837 (cse_insn): Likewise for the stack_pointer_rtx.
5839 2006-06-08 Roger Sayle <roger@eyesopen.com>
5841 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5842 conditions from floating point comparisons.
5844 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5847 * expmed.c (struct alg_hash_entry): Fix type of field T
5848 to match synth_mult argument.
5849 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5851 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5854 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5857 2006-06-08 Richard Guenther <rguenther@suse.de>
5860 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5861 only, if overflow is defined and not trapping.
5862 (negate_expr): Likewise.
5864 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5866 PR tree-optimization/27872
5867 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5868 flag on the new exit edge of the unrolled loop.
5870 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5872 PR rtl-optimization/26449
5873 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5875 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5878 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5879 referenced_variables with matching DECL_UID's.
5880 (find_referenced_vars): Make sure duplicate list is empty to start.
5881 (referenced_var_p): Remove.
5882 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5883 Check if var is in the list, and add if needed. Update the duplicate
5884 list if a different var is in the list with the same DECL_UID.
5885 (add_referenced_var): Call routine to check and insert.
5886 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5887 * tree-flow.h (referenced_vars_dup_list): External declaration.
5889 2006-06-07 Fred Fish <fnf@specifix.com>
5891 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5894 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5897 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5898 the imaginary and real parts of a clobbered register.
5899 Emit insn to set the imaginary part.
5901 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5903 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5904 in lieu of unwind-dw2-fde.c.
5906 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5908 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5910 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5913 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5914 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5915 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5916 V4SImode temporaries and operations instead.
5918 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5920 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5923 2006-06-06 Mike Stump <mrs@apple.com>
5925 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5926 installing during build.
5928 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5930 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5932 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5933 * config/ia64/ia64.c (params.h): New header.
5934 (ia64_optimization_options): New function to adjust parameters.
5935 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5936 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5937 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5939 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5941 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5943 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5946 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5948 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5949 Victor Kaplansky <victork@il.ibm.com>
5951 PR tree-optimization/26360
5952 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5955 2006-06-04 Roger Sayle <roger@eyesopen.com>
5956 Andrew Pinski <pinskia@physics.uc.edu>
5959 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5960 for LABEL_DECL before calling DECL_WEAK.
5963 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5964 LABEL_DECL and PARM_DECL.
5966 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5970 * c-decl.c (grokdeclarator): Disallow variably modified types at
5971 file scope. Avoid marking shared array type of constant size as
5974 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5977 * c-common.c (fold_offsetof_1): Handle static members.
5979 2006-06-04 Eric Christopher <echristo@apple.com>
5981 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5982 (debug_rli): Output value for remaining_in_alignment.
5983 (update_alignment_for_field): Unconditionalize
5984 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5985 extra alignment code.
5986 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5987 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5988 * tree.h (record_layout_info_s): Remove prev_packed.
5989 * doc/extend.texi (ms_struct): Add documentation of format.
5991 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5993 * tree.h: Declare folding_initializer.
5994 * builtins.c (fold_builtin_constant_p): Give definite answer
5995 if folding inside an initializer.
5996 * fold-const.c: Define folding_initializer.
5997 (START_FOLD_INIT): Save and then set folding_initializer.
5998 (END_FOLD_INIT): Restore folding_initializer.
6000 2006-06-04 Richard Guenther <rguenther@suse.de>
6002 PR tree-optimization/27039
6003 * fold-const.c (fold_comparison): Handle pointer comparison
6004 again for all comparison codes. Compare offsets in signed
6006 (fold_binary): Move code from here.
6008 2006-06-03 Roger Sayle <roger@eyesopen.com>
6011 * config/i386/i386.c (construct_container): Split static issued_error
6012 flag into issued_sse_arg_error, issued_sse_ret_error and
6013 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6014 requires the use of x87 registers and the user explicitly
6015 specified the -mno-80387 command line option.
6017 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6019 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6020 HAVE_DECL_SIGALTSTACK.
6022 (segv_handler): Use MC_FLD.
6023 * configure.ac: Check for a sigaltstack declaration.
6024 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6025 * configure: Regenerate.
6026 * config.in: Regenerate.
6028 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6031 * Makefile.in (stmp-fixinc): Fix typo.
6033 2006-06-02 Roger Sayle <roger@eyesopen.com>
6035 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6036 are type correct. Clean-up.
6037 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6038 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6040 2006-06-01 DJ Delorie <dj@redhat.com>
6042 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6043 shift, as we've disabled the "switch" insn that needs it.
6045 2006-06-01 Per Bothner <bothner@bothner.com>
6047 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6048 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6049 * c-ppoutput.c (cb_define): Don't increment line 0.
6051 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6053 * doc/invoke.texi: Add cpu_type power6.
6054 * config.gcc: Add cpu_type power6.
6055 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6056 to power5+ with Altivec.
6057 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6058 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6060 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6062 * config/avr/avr.h (SET_ASM_OP): Define.
6064 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6066 * config/bfin/bfin.c: Fix comment typos.
6068 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6071 * doc/install.texi: Document --enable-bootstrap and
6072 --disable-bootstrap.
6074 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6076 * doc/install.texi: Document that InfoZIP can replace jar.
6078 2006-05-31 Roger Sayle <roger@eyesopen.com>
6080 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6081 isn't available, directly generate the simpler x87 patterns without
6082 the (use (const_int 0)).
6083 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6084 implementation isn't available.
6085 (*negdf2_1): Likewise.
6086 (*negxf2_1): XF mode negation is always done using the x87.
6087 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6089 2006-05-31 Roger Sayle <roger@eyesopen.com>
6091 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6092 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6094 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6096 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6098 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6099 * config/bfin/bfin.c (basic-block.h): Include.
6100 (struct machine_function): New.
6101 (bfin_init_machine_status): New.
6102 (override_options): Initialize init_machine_status.
6103 (bfin_hardware_loop): New.
6104 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6105 (DEF_VEC_P (loop_info)): New.
6106 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6107 (struct loop_info): New.
6108 (loop_info): New typedef.
6109 (struct loop_work): New.
6110 (loop_work): New typedef.
6111 (DEF_VEC_O (loop_work)): New.
6112 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6113 (bfin_dump_loops): New.
6114 (bfin_bb_in_loop): New.
6115 (bfin_scan_loop): New.
6116 (bfin_optimize_loop): New.
6117 (bfin_reorg_loops): New.
6118 (bfin_reorg): Use bfin_reorg_loops.
6119 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6121 (I_REGNO_P): Simplify.
6122 (DP_REGNO_P, DPREG_P): New macros.
6123 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6124 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6125 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6126 Add LT_REGS, LC_REGS, LB_REGS.
6127 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6129 (REGNO_REG_CLASS): Deal with loop registers.
6130 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6132 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6133 New constants for loop registers.
6134 (UNSPEC_LSETUP_END): New.
6135 (seq_insns): New define_attr. Set it for appropriate insns.
6136 (movsi_insn): Add alternatives for move from/to
6137 loop count registers.
6138 (doloop_end): New define_expand.
6139 (loop_end): New define_insn.
6140 (define_split for bad doloop_end): New.
6141 (lsetup_with_autoinit): New define_insn.
6142 (lsetup_without_autoinit): New define_insn.
6143 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6144 * config/bfin/predicates.md (lc_register_operand): New.
6145 (lt_register_operand): New.
6146 (lb_register_operand): New.
6147 (nondp_register_operand): New.
6148 (nondp_reg_or_memory_operand): New.
6149 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6151 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6153 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6154 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6156 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6158 * Makefile.in (CATALOGS): Add po/ prefix.
6159 * configure: Regenerated.
6161 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6164 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6165 a shift operand before calling shift_op. Avoid redundant call of
6168 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6169 DJ Delorie <dj@redhat.com>
6171 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6172 we're inserting is a singlt-bit constant.
6174 2006-05-30 Roger Sayle <roger@eyesopen.com>
6176 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6177 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6179 2006-05-30 Roger Sayle <roger@eyesopen.com>
6181 PR tree-optimization/23452
6182 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6183 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6184 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6185 complex values and with -ffast-math for FP complex values.
6187 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6189 * c-common.h: Remove the prototype for yyparse.
6190 * rtl.h: Remove the prototype for init_loop.
6192 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6194 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6197 2006-05-30 Roger Sayle <roger@eyesopen.com>
6199 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6201 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6202 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6204 2006-05-30 Dirk Mueller <dmueller@suse.de>
6207 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6208 for CONSTANT_CLASS_P expresisons.
6210 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6213 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6215 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6217 PR tree-optimization/27779
6218 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6219 initial_condition instead of CHREC_LEFT.
6221 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6223 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6224 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6225 Make prototypes ISO C90.
6227 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6228 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6230 * see.c (see_analyze_one_def): Correct check.
6231 (see_get_extension_data): Check if extension is parallel.
6232 (see_get_extension_reg): Likewise.
6234 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6237 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6238 into register for (code == GTU).
6240 2006-05-29 Roger Sayle <roger@eyesopen.com>
6242 PR tree-optimization/24964
6243 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6244 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6245 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6246 abs(x)*abs(x) as x*x for scalar floating point modes.
6248 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6251 * lambda-code.c (perfect_nestify): Don't copy statements
6252 in the inner loop: move them to the inner loop header.
6254 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6257 * c-tree.texi: Document OpenMP directives and clauses.
6259 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6261 * varasm.c (globalize_decl): Fix indentation.
6263 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6266 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6267 pass_fre, pass_store_ccp, pass_copy_prop,
6268 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6269 pass_return_slot, pass_object_size, pass_lim,
6270 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6271 pass_loop_prefetch and pass_stdarg.
6273 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6275 * config/bfin/bfin.opt (mfdpic): New option.
6276 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6277 (EXTRA_MULTILIB_PARTS): Likewise.
6278 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6279 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6281 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6282 (CRT_CALL_STATIC_FUNCTION): New.
6283 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6285 (CRT_CALL_STATIC_FUNCTION): New.
6286 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6288 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6289 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6290 (initialize_trampoline): Changed to handle FD-PIC code generation.
6291 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6292 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6293 (override_options): Disallow -mid-shared-library -mfdpic combination.
6294 Can't do unaligned ops if FD-PIC.
6295 Turn off flag_pic if trying to generate non-id-shared-library
6296 non-fdpic code, since it's not supported.
6297 (bfin_assemble_integer): New function.
6298 (TARGET_ASM_INTEGER): Define.
6299 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6301 * config/bfin/crtn.s: Restore them.
6302 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6304 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6305 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6306 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6307 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6308 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6310 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6311 FDPIC_REGS and FDPIC_FPTR_REGS.
6312 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6313 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6314 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6315 (load_funcdescsi): New pattern.
6316 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6317 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6318 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6320 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6322 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6325 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6327 * tree-flow.h: Remove the prototype for add_type_alias.
6328 * tree-ssa-alias.c (add_type_alias): Remove.
6330 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6332 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6333 config/fr30/fr30.md, config/i386/i386-interix.h,
6334 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6335 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6336 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6337 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6338 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6339 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6340 Follow spelling conventions.
6341 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6342 Follow spelling conventions.
6344 2006-05-27 Richard Guenther <rguenther@suse.de>
6347 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6348 to produce a constant of value 1 of generic type.
6350 2006-05-27 Dirk Mueller <dmueller@suse.de>
6352 * cgraphunit.c (decide_is_function_needed): Fix wrong
6355 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6357 PR rtl-optimization/27661
6358 * reload.c (find_reloads): When reloading a VOIDmode constant
6359 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6360 use Pmode as mode of the reload register.
6362 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6364 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6365 is enabled at -O and above.
6367 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6370 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6373 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6376 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6377 for anonymous variables explicitly declared by front ends.
6379 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6381 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6382 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6383 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6384 ref-all pointers, run a finalization pass for them.
6385 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6386 (finalize_ref_all_pointers): New function.
6387 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6388 regular pointer type to a ref-all pointer type.
6389 (get_tmt_for): Return the special memory tag for ref-all pointers.
6391 2006-05-25 Richard Guenther <rguenther@suse.de>
6394 * fold-const.c (fold_binary): Do not look at the stripped
6395 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6397 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6399 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6400 for LT and GT if the computed range is effectively empty.
6402 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6405 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6406 mips_quad_format formats instead of ieee_single_format,
6407 ieee_double_format and ieee_quad_format formats, respectively.
6409 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6411 PR tree-optimization/27639
6412 PR tree-optimization/26719
6413 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6414 call to scev_probably_wraps_p.
6415 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6416 used_in_pointer_arithmetic_p, convert_step): Removed.
6417 (nowrap_type_p): New function.
6418 (scev_probably_wraps_p): Rewritten.
6419 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6420 chrec_convert if chrec_convert_aggressive might have been used.
6421 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6422 scev_direction): New functions.
6423 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6424 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6425 instead of convert_step.
6426 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6427 (convert_step): Declaration removed.
6428 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6430 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6432 * df-core.c: Added to header comments.
6433 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6434 df_ur_bb_info, df_urec_bb_info): Added comments.
6435 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6436 urec, ri problems): Fixed header comments.
6437 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6438 code from df_rd_transfer_function.
6440 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6442 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6443 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6444 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6446 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6448 * expr.c (undefined_operand_subword_p): New.
6449 (emit_move_multi_word): Do not generate move from undefined bits
6450 of a paradoxical subreg.
6452 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6454 PR rtl-optimization/27736
6455 * combine.c (replaced_rhs_value): New variable.
6456 (combine_instructions): Set it.
6457 (distribute_notes): When distributing a note in replaced_rhs_insn,
6458 check whether the value was used in replaced_rhs_value.
6460 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6463 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6464 add_referenced_var instead of add_referenced_tmp_var.
6465 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6466 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6468 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6469 tree_optimize_tail_calls_1): Use add_referenced_var.
6470 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6471 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6472 Use add_referenced_var.
6473 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6474 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6475 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6476 Use add_referenced_var.
6477 * tree-dfa.c (struct walk_state): Remove.
6478 (find_referenced_vars): Remove walk state and vars_found hash table.
6479 (make_rename_temp): Use add_referenced_var.
6480 (find_vars_r): Pass less parameters to add_referenced_var.
6481 (referenced_var_p): New. Is var in referenced_var hash table.
6482 (referenced_var_insert): Assert var isn't already in hash table.
6483 (add_referenced_var): Don't need walk_state parameter. Add var if it
6484 isn't already in the hash table.
6485 (add_referenced_tmp_var): Remove.
6486 (find_new_referenced_vars_1): Use add_referenced_var.
6487 * tree-ssa-pre.c (create_expression_by_pieces,
6488 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6489 Use add_referenced_var.
6490 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6491 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6492 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6494 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6495 vect_create_data_ref_ptr, vect_create_destination_var,
6496 vect_init_vector, vect_build_loop_niters,
6497 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6498 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6499 Use add_referenced_var.
6500 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6501 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6502 (add_referenced_var): Add prototype.
6503 * tree-ssa-structalias.c (get_constraint_for,
6504 intra_create_variable_infos): Use add_referenced_var.
6506 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6508 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6509 big-endian paradoxical subregs.
6510 * var-tracking.c (struct micro_operation_def): Document that,
6511 for modify micro operations, insn is the subsequent instruction.
6512 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6513 (var_reg_set, var_mem_set): ... new functions.
6514 (add_stores): Record subsequent insn.
6515 (compute_bb_dataflow): Use new functions for MO_USE.
6516 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6517 notes after the insn, and modify notes before the insn known
6518 to be the subsequent one.
6519 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6521 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6524 * config/i386/i386.c (ix86_expand_builtin): Use
6525 gen_sse3_monitor64 for TARGET_64BIT.
6527 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6529 PR rtl-optimization/26375
6530 PR rtl-optimization/26855
6531 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6533 (df_ru_bb_local_compute): Reversed statements and removed bogus
6534 comment explaining why they should be in wrong order.
6535 (df_ru_dump, df_rd_dump): Enhanced debug info.
6536 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6538 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6539 reaching uses and fixed space problem.
6541 2006-05-23 Jan Hubicka <jh@suse.cz>
6543 * cgraphunit.c (decide_is_function_needed): Also nested functions
6544 and functions declared inline can be optimized out at -O0.
6546 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6548 * doc/install.texi (Configuration): Remove reference to CrossGCC
6552 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6555 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6556 ix86_compare_emitted is non-NULL.
6558 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6561 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6564 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6566 PR rtl-optimization/25514
6567 * combine.c (replaced_rhs_insn): New variable.
6568 (combine_instructions): Set replaced_rhs_insn when trying to replace
6569 a SET_SRC with a REG_EQUAL note.
6570 (distribute_notes): Use replaced_rhs_insn when determining the live
6571 range of a REG_DEAD register.
6573 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6574 Anatoly Sokolov <aesok@post.ru>
6576 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6577 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6578 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6579 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6580 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6581 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6582 at90usb647, at90usb1286 and at90usb1287 devices.
6583 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6584 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6586 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6588 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6590 2006-05-22 Richard Guenther <rguenther@suse.de>
6593 2006-01-31 Richard Guenther <rguenther@suse.de>
6594 Paolo Bonzini <bonzini@gnu.org>
6596 * doc/install.texi (--disable-libgcc-math): Document.
6598 2006-05-22 Richard Guenther <rguenther@suse.de>
6601 2006-01-31 Richard Guenther <rguenther@suse.de>
6603 * doc/invoke.texi (-msselibm): Document.
6604 * target.h (expand_library_builtin): New target hook.
6605 * builtins.c (expand_builtin): Use expand_library_builtin.
6606 (default_expand_library_builtin): New function.
6607 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6608 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6609 (link_gcc_math_spec): Declare.
6610 (static_specs): Add link_gcc_math_spec.
6611 * expr.h (default_expand_library_builtin): Declare.
6612 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6613 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6614 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6615 * config/i386/i386.opt (msselibm): New target option.
6616 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6617 (ix86_init_sse_abi_builtins): New function.
6618 (ix86_expand_library_builtin): Likewise.
6619 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6620 (override_options): Handle error conditions wrt -msselibm.
6621 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6622 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6623 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6626 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6629 * c-common.c (self_promoting_args_p): Skip erroneous args.
6632 * c-decl.c (finish_struct): Skip erroneous fields.
6634 2006-05-22 Nick Clifton <nickc@redhat.com>
6636 * config/cris/cris.opt (march): Remove VarExists attribute.
6637 (max-stackframe=): Likewise.
6639 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6641 * doc/rtl.texi: Fix a typo.
6642 * see.c: Fix comment typos.
6644 * tree-ssa-structalias.h (alias_info): Remove num_references.
6646 2006-05-21 Mike Stump <mrs@apple.com>
6648 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6650 (darwin_pragma_options): Use BAD instead.
6651 (darwin_pragma_unused): Likewise.
6652 (darwin_pragma_ms_struct): Likewise.
6654 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6656 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6658 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6660 PR rtl-optimization/27671
6661 * simplify-rtx.c (simplify_relational_operation_1): Fix
6662 simplifications of (eq/ne (xor x y) y) and
6663 (eq/ne (xor x y) x).
6665 PR tree-optimization/26622.
6666 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6669 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6671 * tree-cfg.c: Prune whitespace.
6672 (debug_tree_cfg): Point to correct header containing the
6675 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6678 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6680 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6683 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6684 or sorry count is non zero.
6686 2006-05-20 Andreas Schwab <schwab@suse.de>
6688 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6690 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6691 Kenneth Zadeck <zadeck@naturalbridge.com>
6693 PR rtl-optimization/26855
6695 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6697 (df_scan_alloc): Added code to properly handle multiword hard
6698 registers and add all_blocks parameter.
6699 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6700 code to properly handle multiword hard registers.
6701 (df_rescan_blocks): Added code to remove deleted blocks from
6703 (df_ref_create_structure, df_ref_record): Added code to properly
6705 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6706 and set DF_REF_PARTIAL.
6707 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6708 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6709 (df_scan_add_problem): Added flags parameter.
6710 (df_ref_create_structure): Changed switching structure.
6711 (df_bb_refs_record): Fixed case where duplicate artificial refs
6712 were created. Changed location of flags.
6713 (df_record_entry_block_defs): Added code to make stack pointer
6714 live in entry block. Refined cases where frame pointer is needed.
6715 Changed location of flags.
6716 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6717 (df_set_state): Removed function.
6718 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6719 df_insn_create_insn_record, df_insn_refs_delete,
6720 df_ref_create_structure): Formatting changes.
6721 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6722 df_delete_basic_block): New function.
6723 (df_init): Changed location of flags.
6724 (df_add_problem): Added flags parameter and the way flags are
6726 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6727 debug_df_chain): Improved debugging output.
6728 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6729 (df_refs_chain_dump): Removed df parameter.
6730 (df_iterative_dataflow): Added consistency check.
6731 (df_prune_to_subcfg): Made public.
6732 (df_analyze_problem): Added blocks_to_init parameter and made
6734 (df_ref_record, df_bb_refs_record, df_mark_reg,
6735 df_record_exit_block_uses): Whitespace changes.
6736 (df_dump): Whitespace changes.
6737 * df.h: Some reordering to remove forward references.
6738 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6739 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6740 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6741 (dataflow.flags): New field.
6742 (df.flag): Deleted field.
6743 (df_alloc_function): Added additional bitmap parameter.
6744 (df_dependent_problem_function): New type.
6745 (df_problem.changeable_flags): New field.
6746 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6747 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6748 (df_mw_hardreg): New struct.
6749 (DF_INSN_UID_MWS): New macro.
6750 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6752 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6753 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6754 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6755 (df_set_state): Removed function.
6756 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6757 * df-problems.c (df_chain_dump): Removed df parameter.
6758 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6759 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6761 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6762 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6763 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6764 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6765 DF_REF_MUST_CLOBBER cases.
6766 (df_ru_bb_local_compute_process_def,
6767 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6768 df_lr_bb_local_compute, df_ur_bb_local_compute,
6769 df_chain_create_bb): Made subreg aware.
6770 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6771 df_lr_bb_local_compute, df_lr_bb_local_compute,
6772 df_chain_create_bb): Cleanup to use proper macros.
6773 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6774 code to fixup bitvectors.
6775 (df_ri_alloc): Cleared lifetime.
6776 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6777 df_create_unused_note): New function.
6778 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6779 REG_DEAD and REG_UNUSED notes as well as register information.
6780 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6781 df_chains_dump): Fixed crash if problem was never run.
6782 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6783 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6784 df_ri_add_problem): Processes flags in uniform manner.
6785 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6786 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6787 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6788 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6789 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6790 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6791 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6792 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6793 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6794 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6795 * see.c (see_initialize_data): Ditto.
6796 * final.c (rest_of_clean_state) Added regstack_completed.
6797 * rtl.h (regstack_completed): Ditto.
6798 * reg-stack.c (regstack_completed): Ditto.
6800 2006-05-19 Mike Stump <mrs@apple.com>
6802 * c-tree.h (default_conversion): Remove.
6803 * c-common.h (default_conversion): Add.
6805 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6807 * tree-vrp.c (valid_value_p): New function.
6808 (adjust_range_with_scev): Fail if the value of bound is not
6811 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6813 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6814 (mips_fallback_frame_state): Use syscall numbers to determine
6815 the appropriate li instruction for the current ABI. Only use
6816 __NR_sigreturn for o32.
6818 2006-05-19 Nicolas Setton <setton@adacore.com>
6820 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6821 * langhooks.c (lhd_dwarf_name): New function.
6822 * langhooks-def.h (lhd_dwarf_name): Declare.
6823 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6824 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6825 * ada/misc.c (gnat_dwarf_name): New function.
6826 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6828 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6830 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6832 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6833 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6834 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6835 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6836 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6837 determine the size of Wtype, etc.
6838 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6839 (swfloatfuncs): New variable.
6840 (dwfloatfuncs): Likewise.
6841 (lib2funcs): Remove floating-point conversion functions from
6842 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6843 the set of conversion routines needed. Allow entries to specify
6844 an object name, filename and word size. Update users accordingly.
6845 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6846 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6850 2006-02-08 Roger Sayle <roger@eyesopen.com>
6853 * config/fixtfdi.c: New libgcc source file.
6854 * config/fixunstfdi.c: New source file.
6855 * config/floatditf.c: New source file.
6856 * config/floatunditf.c: New souce file.
6857 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6858 files above instead of config/mips/_tilib.c.
6859 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6861 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6863 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6864 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6866 2006-05-18 Mike Stump <mrs@apple.com>
6868 Fix up vla, vm and [*] sematics.
6874 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6875 (c_vla_unspec_p): Add.
6876 (c_vla_type_p): Add.
6877 * c-decl.c (struct c_scope): Add had_vla_unspec.
6878 (build_array_declarator): Add support for [*].
6879 (grokdeclarator): Likewise.
6880 (grokparms): Likewise.
6881 (get_parm_info): Likewise.
6882 * c-objc-common.c (c_vla_unspec_p): Likewise.
6883 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6884 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6885 typeof when argument is a variably modified type not inside sizeof or alignof.
6886 (c_parser_direct_declarator_inner): Propagate errors.
6887 (c_parser_sizeof_expression): Add support for [*].
6888 (c_parser_parms_declarator): Initialize had_vla_unspec.
6889 (c_parser_parms_list_declarator): Likewise.
6890 * c-typeck.c (c_vla_type_p): Add.
6891 (composite_type): Add support for vla compositing.
6892 (comptypes_internal): Add support for vla compatibility.
6893 (c_expr_sizeof_expr): Evaluate vla arguments.
6894 * tree.c (variably_modified_type_p): Update comment for [*].
6896 2006-05-18 Michael Matz <matz@suse.de>
6899 * config.host: Make assignments to host_xmake_file cumulative.
6900 * config.host (*-darwin*): Test $host, not $target.
6902 2006-05-12 Stuart Hastings <stuart@apple.com>
6904 * config/i386/i386.opt (-mstackrealign): New flag.
6905 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6906 (ix86_handle_cconv_attribute): Emit error when
6907 force_align_arg_pointer attribute collides with too many regparms.
6908 (ix86_function_regparm): Limit regparms when used with
6909 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6910 Support stack-realigning prologue in non-main functions. Emit
6911 warning for nested functions under -mstackrealign, emit error for
6912 nested functions with force_align_arg_pointer attribute.
6913 * doc/extend.texi (force_align_arg_pointer): Document it.
6914 * doc/invoke.texi (-mstackrealign): Document it.
6916 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6918 PR rtl-optimization/27477
6919 * combine.c (try_combine): Don't split a parallel consisting
6920 of two sets into two individual sets if both sets reference
6923 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6925 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6926 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6928 * doc/options.texi (VarExists): Updated.
6930 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6932 * unwind-dw2.c: Add declarations for uw_update_context and
6934 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6935 detected, advance frame state and context once to skip over stub.
6937 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6941 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6942 Call rewrite_into_loop_closed_ssa only when something changed.
6943 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6944 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6945 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6946 Test for perfect_nest_p here. Fix formating.
6947 (replace_uses_equiv_to_x_with_y): Fix formating.
6948 (stmt_uses_op): Removed.
6949 (can_convert_to_perfect_nest): Removed loopivs parameter.
6950 Complete the test by checking the scalar dependences.
6951 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6954 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6957 From Dan Kegel <dank@kegel.com>:
6958 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6960 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6962 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6963 if the element type is variably modified without recursing.
6965 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6968 * tree-loop-linear.c (try_interchange_loops): Test for
6969 no data dependences.
6971 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6973 PR tree-optimization/27548
6974 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6975 range of ssa names that appear on abnormal edges.
6976 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6977 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6979 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6982 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6984 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6987 * tree.h (OMP_PARALLEL_COMBINED): Define.
6988 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6989 (new_omp_context): Add is_combined_parallel argument.
6990 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6991 new_omp_context caller.
6992 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6993 Adjust gimplify_scan_omp_clauses callers.
6994 (omp_is_private): Issue errors if iteration variable is firstprivate
6995 or reduction in the current context.
6996 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6997 on combined parallel workshare constructs.
6999 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7001 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7002 (gcc-options.o): New rule.
7004 * optc-gen.awk: Protect variables for gcc-options.o with
7005 #ifdef GCC_DRIVER/#endif.
7007 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7009 Fix PR tree-optimization/27373
7010 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7011 (forward_propagate_addr_expr): Update call.
7013 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7015 * doc/options.texi: Move the Negative option.
7017 2006-05-16 Richard Guenther <rguenther@suse.de>
7019 PR tree-optimization/22303
7020 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7022 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7023 ccp_fold did not simplify the statement.
7025 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7028 * Makefile.in (GCC_OBJS): New.
7029 (OBJS-common): Add opts-common.o.
7030 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7031 (cpp$(exeext)): Likewise.
7032 (gcc.o): Also depend on opts.h.
7033 (opts-common.o): New.
7035 * common.opt (gcoff): Add Negative(gdwarf-2).
7036 (gdwarf-2): Add Negative(gstabs).
7037 (gstabs): Add Negative(gstabs+).
7038 (gstabs+): Add Negative(gvms).
7039 (gvms): Add Negative(gxcoff).
7040 (gxcoff): Add Negative(gxcoff+).
7041 (gxcoff+): Add Negative(gcoff).
7042 * config/i386/i386.opt (m32): Add Negative(m64).
7043 (m64): Add Negative(m32).
7045 * doc/options.texi: Document the Negative option.
7047 * gcc.c: Include "opts.h".
7048 (main): Call prune_options after expandargv.
7050 * optc-gen.awk: Generate common declarations for all flag
7051 variables in options.c. Output the neg_index field.
7053 * opts.c (find_opt): Moved to ...
7054 * opts-common.c: Here. New file.
7056 * opts.h (cl_option): Add a neg_index field.
7058 (prune_options): Likewise.
7060 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7063 * omp-low.c (expand_omp_parallel): Don't assert
7064 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7065 instead search for it.
7068 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7071 2006-05-16 Andreas Schwab <schwab@suse.de>
7073 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7076 2006-05-15 Roger Sayle <roger@eyesopen.com>
7079 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7080 integer constants other than zero are only legitimate on TARGET_64BIT.
7081 <CONST_VECTOR> Only zero vectors are legitimate.
7082 (ix86_cannot_force_const_mem): Integral and vector constants can
7083 always be put in the constant pool.
7085 2006-05-16 DJ Delorie <dj@redhat.com>
7087 * crtstuff.c (__dso_handle): Set section from
7088 TARGET_LBIGCC_SDATA_SECTION if defined.
7089 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7090 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7092 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7095 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7098 2006-05-16 Ben Elliston <bje@au.ibm.com>
7100 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7102 2006-05-15 Per Bothner <per@bothner.com>
7104 * tree.c: (last_annotated_node): Use source_locus typedef.
7105 This permits bootstrapping with --enable-mapped-location.
7107 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7109 PR tree-optimization/26830
7110 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7111 (info_for_ssa_name, current_info_for_ssa_name_age,
7112 blocks_to_update): New variables.
7113 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7114 (clear_ssa_name_info, initialize_flags_in_bb,
7115 mark_block_for_update): New functions.
7116 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7117 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7118 prepare_def_site_for): Use mark_block_for_update.
7119 (mark_def_interesting): Assert that the processed block is marked in
7120 blocks_to_update. Do not take blocks argument.
7121 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7123 (rewrite_update_init_block, rewrite_update_stmt): Only process
7124 blocks with statements to rewrite.
7125 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7126 (update_ssa): Initialize and free blocks_to_update. Do not
7127 clear flags on statements. Do not use blocks bitmap.
7128 * tree.h (SSA_NAME_AUX): Removed.
7129 (struct tree_ssa_name): Removed aux field.
7130 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7132 2006-05-15 Richard Guenther <rguenther@suse.de>
7134 PR tree-optimization/27603
7135 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7136 Do computations in original type.
7138 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7140 * see.c: Code style changes such as redundant paranthesis,
7141 redundant intialization of local variables etc.
7142 (see_main): Declared now as static.
7143 * doc/invoke.texi: Update that -fsee is not enabled by
7146 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7148 * omp-low.c (check_omp_nesting_restrictions): New function.
7149 (scan_omp_1): Call it.
7152 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7153 construct, return *VAR.
7155 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7157 PR rtl-optimization/27406
7158 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7161 2006-05-14 Roger Sayle <roger@eyesopen.com>
7163 PR rtl-optimization/27538
7164 * combine.c (expand_compound_operation): Call gen_lowpart
7165 before calling simplify_shift_const.
7167 2006-05-14 Roger Sayle <roger@eyesopen.com>
7169 PR rtl-optimization/22563
7170 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7171 a fixed width bitfield, always force the intermediates into psuedos.
7173 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7176 * mkconfig.sh: Use operator = instead of == for test.
7178 2006-05-13 Nick Clifton <nickc@redhat.com>
7180 * dwarf2out.c (dbx_reg_number): Check return value from
7181 LEAF_REG_REMAP and only use it if it is valid.
7182 (multiple_reg_loc_descriptor): Likewise.
7184 2006-05-13 Richard Guenther <rguenther@suse.de>
7186 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7189 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7191 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7192 information attached to non-INSNs such as NOTEs.
7193 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7195 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7197 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7199 * config/s390/s390.md: Adjust comment describing On constraint.
7201 2006-05-11 Jan Hubicka <jh@suse.cz>
7203 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7204 to be output at -O0.
7206 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7209 * fold-const.c (size_binop): Move sanity check for arguments to
7210 the beginning of the function.
7213 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7216 2006-05-11 Richard Guenther <rguenther@suse.de>
7219 * fold-const.c (fold_unary): Handle intermediate conversion
7220 to a pointer type like intermediate conversion to an integer
7221 type in folding of (T1)(T2)var to var.
7222 Match the code to the comment in the final conversion for
7223 (T1)(T2)var to (T1)var regarding to type precision. Rather
7224 than disallow T1 being of pointer type, assert that both T1
7225 and var are of pointer type or not. Make sure not to fall
7226 over the frontends lazyness wrt array to pointer decay though.
7228 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7230 * arm.c (arm_struct_value_rtx): Delete.
7231 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7232 (arm_init_cumulative_args): Always initialize nregs to zero.
7234 2006-05-10 Richard Guenther <rguenther@suse.de>
7236 PR tree-optimization/27532
7237 * tree-object-size.c (plus_expr_object_size): Fix typo.
7239 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7242 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7243 ashrdi_const, ashrdi3): Use a scratch register.
7245 2006-05-10 Richard Guenther <rguenther@suse.de>
7247 PR tree-optimization/27302
7248 * fold-const.c (operand_equal_p): For two comparisons,
7249 try comparison of one comparison code swapped if that yields
7252 2006-05-10 Ben Elliston <bje@au.ibm.com>
7254 * tree-pretty-print.c (pretty_print_string): No need to handle
7255 '\0' as a special character.
7257 * tree.h: Include "hashtab.h".
7258 (iterative_hash_expr): Use hashval_t in its prototype.
7259 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7261 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7264 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7265 (hppa*64*-*-hpux11*): Ditto.
7266 (hppa[12]*-*-hpux11*): Ditto.
7268 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7271 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7273 2006-05-09 Michael Matz <matz@suse.de>
7275 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7276 host_extra_gcc_objs and host_xmake_file.
7277 (<*-*-linux*>): Don't overwrite host_xmake_file.
7278 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7279 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7280 (host_detect_local_cpu): Declare.
7281 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7282 * config/i386/i386.c (override_options): Handle -mtune=native
7284 * config/i386/x-i386: New file.
7285 * config/i386/driver-i386.c: New file.
7286 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7289 2006-05-09 Dirk Mueller <dmueller@suse.de>
7290 Richard Guenther <rguenther@suse.de>
7293 * fold-const.c (fold_read_from_constant_string): Relax check
7294 for matching types to matching modes.
7296 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7298 PR rtl-optimization/27335
7299 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7302 2006-05-08 Chao-ying Fu <fu@mips.com>
7303 Richard Sandiford <richard@codesourcery.com>
7305 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7306 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7307 * config/mips/mips.md (UNSPEC_SCC): New constant.
7308 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7309 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7310 (mips_emit_compare): Use it.
7311 (mips_expand_vcondv2sf): New function.
7313 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7315 Fix PR tree-optimization/27093
7316 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7317 renaming when they become not-used_alone.
7319 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7321 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7322 relocation and relocation stubs.
7324 2006-05-08 Eric Christopher <echristo@apple.com>
7326 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7329 2006-05-08 Jan Hubicka <jh@suse.cz>
7332 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7333 unused static functions are needed.
7335 2006-05-08 Roger Sayle <roger@eyesopen.com>
7338 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7339 of a reg_equiv_constant if the result is a legitimate constant.
7341 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7344 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7345 standard 80387 constants, raise the cost to prevent
7346 compress_float_constant() to generate load from memory.
7348 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7350 * config/arm/constraints.md (c): Fix a typo.
7352 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7355 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7358 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7360 (_mm_mwait): Likewise.
7362 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7364 (sse3_monitor): Make it 32bit only.
7365 (sse3_monitor64): New. 64bit monitor.
7367 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7370 * config/i386/i386.c (classify_argument): Skip fields with invalid
7373 2006-05-07 Richard Guenther <rguenther@suse.de>
7375 PR tree-optimization/27409
7376 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7377 Do not try to find zero-sized subvars.
7379 2006-05-07 Richard Guenther <rguenther@suse.de>
7381 PR tree-optimization/27136
7382 * tree-ssa-loop-niter.c (get_val_for): Correct function
7383 comment, assert requirements.
7384 (loop_niter_by_eval): Stop processing if the iterated
7385 value did not simplify.
7387 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7389 * opts.c (flag_see): remove its setting at -O3.
7391 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7393 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7394 * arm/constraints.md: New file.
7395 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7396 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7397 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7398 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7399 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7400 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7401 * arm.md: Include constraints.md.
7402 (thumb_movsi_insn): Use satisfies_constraint_J.
7403 (movhi, movqi): Use satisfies_constraint_I.
7405 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7407 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7408 for atmeg a645 device.
7410 2006-05-06 Richard Guenther <rguenther@suse.de>
7412 PR tree-optimization/27151
7413 * tree-vect-transform.c (vectorizable_condition): Punt on
7414 values that have a different type than the condition.
7416 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7419 * c-parser.c (c_parser_cast_expression): Only insert casts into
7420 hash table if pointer.
7421 * function.c (used_types_insert_helper): Rename from
7423 (used_types_insert): Call used_types_insert_helper.
7424 * function.h (used_types_insert): Accept only one argument.
7426 2006-05-05 David Edelsohn <edesohn@gnu.org>
7428 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7429 scratch with output modifier.
7431 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7434 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7435 with output modifier.
7437 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7440 * config/mips/mips.c (mips_symbolic_address_p): Return true
7441 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7442 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7444 2006-05-04 Richard Guenther <rguenther@suse.de>
7446 PR tree-optimization/14287
7447 PR tree-optimization/14844
7448 PR tree-optimization/19792
7449 PR tree-optimization/21608
7450 PR tree-optimization/27090
7451 * tree-ssa-pre.c (try_combine_conversion): New function.
7452 (compute_avail): After constructing the value-handle
7453 expression, use try_combine_conversion to combine NOP_EXPRs
7454 with previous value-handle expressions and use the result if it
7457 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7459 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7461 2006-05-04 Jan Hubicka <jh@suse.cz>
7464 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7466 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7468 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7469 that this only matches CONST_INTs. All users changed to VOIDmode
7472 * config/bfin/bfin.c: Include "optabs.h".
7473 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7475 (enum bfin_builtins): Add a number of fractional and vector builtins.
7476 (bfin_init_builtins): Likewise.
7477 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7478 (safe_vector_operand, bfin_expand_binop_builtin,
7479 bfin_expand_unop_builtin): New functions.
7480 (bfin_expand_builtin): Handle the new builtins.
7481 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7484 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7487 * Makefile.in (OBJS-common): Add see.o.
7488 (see.o): Add dependencies.
7489 * common.opt (fsee): New flag for the see optimization was added.
7490 * opts.c (flag_see): Initialized.
7491 * passes.c (init_optimization_passes, pass_see): New pass.
7492 * rtl.h (see_main): Declaration as extern.
7493 * timevar.def (TV_SEE): New.
7494 * tree-pass.h (pass_see): Declaration as extern.
7495 * invoke.texi (-fsee): Document.
7496 * recog.c (validate_simplify_insn): New function.
7497 * recog.h (validate_simplify_insn): Declaration as extern.
7498 * df-problems.c (df_chain_dump): Check for NULL.
7500 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7501 Daniel Berlin <dberlin@dberlin.org>
7503 * cfgrtl.c (insert_insn_bb_end_new): New function.
7504 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7506 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7508 * df.h (struct web_entry): Moved from web.c.
7509 (union_defs): Declaration as extern.
7510 (unionfind_root): Likewise.
7511 (unionfind_union): Likewise.
7512 * web.c (struct web_entry): Moved to df.h.
7513 (unionfind_root): Remove static declaration.
7514 (unionfind_union): Likewise.
7515 (union_defs): Likewise and generalize to use callback function.
7516 (web_main): Update arguments for union_defs function call.
7518 2006-05-04 Richard Guenther <rguenther@suse.de>
7520 PR tree-optimization/26447
7521 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7522 produce SSA_NAME copies before the store stmt to avoid
7523 breaking exception handling.
7525 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7528 * gimplify.c (omp_is_private): If var is shared in some outer context,
7529 return false instead of true. Stop searching on parallel context
7532 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7535 * coverage.c: Use get_gcov_unsigned_t() instead of
7536 unsigned_type_node all over.
7538 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7540 PR tree-optimization/27381
7541 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7542 maintain the same immediate_use links.
7543 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7544 node rather than segfaulting.
7546 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7549 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7550 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7551 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7553 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7555 Fix PR tree-optimization/26626
7556 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7558 * tree-ssa-operands.c (access_can_touch_variable): Allow
7559 typecasting through union pointers.
7561 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7564 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7565 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7566 to find if var will be a global variable even in the nested context.
7567 (omp_copy_decl): Only check for global variable at the end, it might
7568 be overridden in outer contexts.
7569 (scan_sharing_clauses): For global variables don't create a field.
7570 (lower_rec_input_clauses): Do nothing for global shared variables.
7571 Emit a barrier at the end of ILIST if there were any decls in both
7572 firstprivate and lastprivate clauses.
7573 (lower_send_clauses): Do nothing for global variables except for
7576 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7578 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7579 of the correct signedness is returned.
7581 2006-05-02 Jeff Law <law@redhat.com>
7583 PR tree-optimization/27364
7584 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7585 multiply expressions.
7587 2006-05-02 Tom Tromey <tromey@redhat.com>
7589 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7591 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7594 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7595 -mthumb -fPIC are used.
7597 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7598 Joshua Kinard <kumba@gentoo.org>
7601 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7602 with 64-bit pointers.
7604 2006-05-02 Paul Brook <paul@codesourcery.com>
7606 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7608 (create_fix_barrier): Check that a suitable barrier location is
7610 (arm_reorg): Include ftmp->address in allowable range of addresses.
7612 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7615 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7618 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7621 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7622 around RESULT_DECL for result passed by reference.
7623 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7624 * omp-low.c (use_pointer_for_field): Don't look at
7625 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7626 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7627 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7628 time or var for passing by reference for
7629 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7630 TREE_ADDRESSABLE variables when passing by reference.
7632 * omp-low.c (dump_omp_region): Fix output formatting.
7635 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7636 (expand_omp_parallel): Likewise.
7637 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7640 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7641 on statement list containing also constructors and destructors.
7642 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7645 * except.c (duplicate_eh_regions): Fix clearing of
7646 cfun->eh->region_array entries.
7648 2006-05-01 DJ Delorie <dj@redhat.com>
7650 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7652 (gcc_cv_objdump): Likewise.
7653 * configure: Regenerated.
7655 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7658 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7659 templates for case 3 and 4.
7661 2006-05-01 DJ Delorie <dj@redhat.com>
7663 * vec.c: Include bconfig.h when appropriate.
7664 * Makefile.in (build/vec.o): Adjust dependencies.
7665 * mkconfig.sh: Make sure config.h isn't used for build machine
7668 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7670 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7672 (mark_phi_for_rewrite): New function.
7673 (insert_phi_nodes_for, mark_use_interesting): Call
7674 mark_phi_for_rewrite.
7675 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7676 (update_ssa): Initialize and free phis_to_rewrite.
7678 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7680 PR rtl-optimization/27291
7681 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7682 folded to a constant.
7684 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7686 PR tree-optimization/27283
7687 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7688 not whole # of iteration descriptions.
7689 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7690 uses abnormal ssa name.
7691 (niter_for_single_dom_exit): Ditto.
7692 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7693 return just the number of iterations.
7695 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7697 PR tree-optimization/27144
7698 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7699 (record_estimate): Only record constant upper bound.
7700 (infer_loop_bounds_from_undefined): Call
7701 compute_estimated_nb_iterations just once.
7702 (proved_non_wrapping_p): Renamed to ...
7703 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7704 (convert_step_widening, scev_probably_wraps_p): Call
7705 n_of_executions_at_most instead of proved_non_wrapping_p.
7706 (substitute_in_loop_info): Do not replace values in bounds.
7707 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7710 2006-05-01 Richard Henderson <rth@redhat.com>
7713 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7714 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7717 2006-05-01 Roger Sayle <roger@eyesopen.com>
7719 * c-typeck.c (parser_build_binary_op): Don't call the function
7720 unsigned_conversion_warning to spot operand/result type overflow.
7721 (build_binary_op): Instead, call convert_and_check instead of
7722 convert to report the problem when the operands are promoted.
7723 * c-common.c (unsigned_conversion_warning): Make static.
7724 * c-common.h (unsigned_conversion_warning): Delete prototype.
7726 2006-05-01 Richard Guenther <rguenther@suse.de>
7728 PR tree-optimization/26726
7729 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7731 (find_interesting_uses_address): ... we work around here
7732 by folding INDIRECT_REFs in the substituted base.
7734 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7736 * omp-low.c (dump_omp_region): Add newlines.
7738 2006-04-30 Roger Sayle <roger@eyesopen.com>
7740 * common.opt (Woverflow): New command line option.
7741 * c-common.c (constant_expression_warning): Check warn_overflow.
7742 (overflow_waring): Pass OPT_Woverflow to warning.
7743 (unsigned_conversion_warning): Likewise.
7744 (convert_and_check): Likewise.
7745 * doc/invoke.texi: Document new command line option.
7747 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7749 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7750 TARGET_NO_FP_IN_TOC for section anchors.
7751 (optimization_options): Enable section anchors for all
7752 non-"Objective" languages.
7754 2006-04-28 Eric Christopher <echristo@apple.com>
7756 * config/darwin-c.c (darwin_ms_struct): Move this
7757 (darwin_set_default_type_attributes): and this...
7758 * config/darwin.c: ... here.
7759 * config/darwin.h (darwin_ms_struct): Declare.
7761 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7763 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7765 2006-04-28 Roger Sayle <roger@eyesopen.com>
7768 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7769 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7770 an unsigned HOST_WIDE_INT.
7771 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7773 (really_start_incremental_init): No need to call convert because
7774 bitsize_zero_node is already of type bitsizetype.
7775 (push_init_level): Extract the value of constructor_index as an
7776 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7777 (process_init_element): Likewise.
7779 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7781 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7782 value before passing to make_relative_prefix.
7784 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7787 * builtins.c (expand_builtin_memset): Expand val in original mode.
7789 2006-04-27 Eric Christopher <echristo@apple.com>
7791 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7792 with #ifndef/#endif.
7793 * config/darwin-c.c (darwin_ms_struct): New.
7794 (darwin_pragma_ms_struct): Ditto.
7795 (darwin_set_default_type_attributes): Ditto.
7796 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7797 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7798 Register ms_struct pragma.
7799 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7800 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7801 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7802 darwin_set_default_type_attributes if TARGET_MACHO.
7804 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7806 PR tree-optimization/26854
7807 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7808 * doc/tree-ssa.texi: Update immuse iterator documentation.
7809 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7810 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7811 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7812 first_safe_imm_use, next_safe_imm_use): Remove.
7813 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7814 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7815 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7816 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7817 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7818 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7819 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7820 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7821 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7822 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7823 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7824 (perfect_nestify): Use new iterator.
7825 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7827 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7828 (next_imm_name): New field in struct immediate_use_iterator_d.
7829 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7830 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7831 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7832 * tree-cfg.c (replace_uses_by): Use new iterator.
7833 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7834 * tree-ssa-operands.c (correct_use_link): Remove.
7835 (finalize_ssa_use_ops): No longer call correct_use_link.
7837 2006-04-27 Stuart Hastings <stuart@apple.com>
7839 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7840 * config/t-darwin (crt3.o): Use it.
7841 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7842 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7843 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7844 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7845 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7848 2006-04-27 Roger Sayle <roger@eyesopen.com>
7850 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7851 size, force the intermediate into a new pseudo rather instead of
7852 performing both a bitwise AND and a bitwise IOR in memory.
7854 2006-04-27 Richard Guenther <rguenther@suse.de>
7856 PR rtl-optimization/26685
7857 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7858 this one "max-flow-memory-locations".
7860 2006-04-27 Richard Guenther <rguenther@suse.de>
7862 PR tree-optimization/25148
7863 * tree-vrp.c (compare_values): Remove code dealing with
7864 comparisons against type min/max value. Honour overflow
7865 and negative constants in code dealing with comparisons
7866 of plus and minus expressions.
7867 (value_inside_range): Use fold_binary with LE_EXPR and
7868 GE_EXPR rather than compare_values.
7870 2006-04-27 Dirk Mueller <dmueller@suse.de>
7872 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7875 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7877 * basic-block.h (safe_insert_insn_on_edge): Removed.
7878 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7880 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7881 Paolo Bonzini <bonzini@gnu.org>
7884 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7885 (simplify_and_const_int): Same.
7887 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7889 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7891 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7894 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7895 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7896 cgraph_global_info_ready.
7899 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7902 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7903 either decl or init is error_mark_node.
7906 * tree-flow.h (struct omp_region): Add sched_kind.
7907 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7908 instead of extracting omp for data.
7909 (expand_omp_for): Save extracted sched_kind.
7911 2006-04-25 Roger Sayle <roger@eyesopen.com>
7913 * expmed.c (store_bit_field): Also check whether the bitsize is
7914 valid for the machine's "insv" instruction before moving the
7915 target into a pseudo for use with the insv.
7916 * config/i386/predicates.md (const8_operand): New predicate.
7917 * config/i386/i386.md (extv, extzv, insv): Use the new
7918 const8_operand predicate where appropriate.
7920 2006-04-25 DJ Delorie <dj@redhat.com>
7922 * doc/install.texi (Specific): Clarify that this is not a list of
7923 supported hosts or targets.
7925 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7927 PR rtl-optimization/26725
7928 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7929 block's BB_DIRTY flag.
7931 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7933 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7936 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7937 to print an integer.
7939 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7941 * varasm.c (align_variable): New function.
7942 (get_block_for_decl): Apply align_variable to DECL before
7943 calculating section information.
7944 (assemble_variable): Split out alignment computation.
7946 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7948 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7951 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7953 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7954 MODE_PARTIAL_INT mode.
7955 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7956 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7958 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7959 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7961 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7963 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7965 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7966 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7967 MACFLAG_IH): Likewise.
7968 (movstricthi_1): Renamed from "*movstricthi".
7969 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7970 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7971 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7972 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7973 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7974 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7975 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7976 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7977 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7978 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7979 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7980 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7981 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7982 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7983 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7985 * doc/rtl.texi (ss_ashift): Improve wording.
7987 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7989 * dwarf2out.c (verify_marks_clear): New.
7990 (prune_unused_types): Call verify_marks_clear initially, not
7993 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7995 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7996 * doc/rtl.texi: Document them.
7997 * simplify-rtx.c (simplify_unary_operation,
7998 simplify_binary_operation_1): Don't abort when we see them.
8000 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8003 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8004 * configure.ac: Completely disregard languages that are not
8006 * configure: Regenerated.
8008 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8009 Richard Guenther <rguenther@suse.de>
8011 PR tree-optimization/27236
8012 * tree-inline.c (copy_body_r): Make sure to copy
8013 TREE_THIS_VOLATILE flag.
8015 2006-04-24 Richard Guenther <rguenther@suse.de>
8018 * tree-complex.c (update_parameter_components): Don't handle
8019 unused parameters which have no default def.
8021 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8022 Richard Guenther <rguenther@suse.de>
8024 PR tree-optimization/27218
8025 * tree-inline.c (expand_call_inline): Strip useless type
8026 conversions for the return slot address.
8028 2006-04-24 Richard Guenther <rguenther@suse.de>
8030 * cfgloop.h (struct loops): Remove unused field array. Reorder
8032 (LOOP_PREFETCH): Remove.
8034 2006-04-24 Richard Guenther <rguenther@suse.de>
8036 PR tree-optimization/22525
8037 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8038 variable, adjust types of generated expressions.
8040 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8042 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8043 (tree-vect-patterns.o): Likewise.
8045 (cselib.o): Likewise.
8046 (loop-doloop.o): Likewise.
8047 (regclass.o): Likewise.
8048 (reload1.o): Likewise.
8049 (explow.o): Replace target.h with $(TARGET_H).
8050 (ipa-prop.o): Likewise.
8051 (ipa-cp.o): Likewise.
8052 (ipa-inline.o): Likewise.
8053 (reorg.o): Likewise.
8054 (reg-stack.o): Likewise.
8056 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8058 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8060 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8062 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8064 * configure.ac: Completely disregard languages that are not
8066 * configure: Regenerated.
8069 * c-common.h (c_build_bitfield_integer_type): Declare.
8070 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8071 * c-common.c (c_build_bitfield_integer_type): ... here.
8073 2006-04-23 Roger Sayle <roger@eyesopen.com>
8076 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8077 a SImode SUBREG of a floating point register after no_new_pseudos.
8079 2006-04-23 Roger Sayle <roger@eyesopen.com>
8081 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8082 identify potentially eliminable registers to additionally catch
8083 VIRTUAL_INCOMING_ARGS_REGNUM.
8084 (addsi3): Update the conditions on when to use addsi_small_int.
8086 2006-04-23 Roger Sayle <roger@eyesopen.com>
8089 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8090 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8091 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8093 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8095 * fold-const.c (range_predecessor): Use operand_equal_p
8096 as the predicate for equality.
8097 (range_successor): Likewise.
8099 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8102 * config/soft-fp/op-common.h: Fix a typo.
8104 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8107 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8108 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8110 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8112 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8114 * doc/tm.texi: Fix a typo.
8116 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8118 * dwarf2out.c (struct die_struct): Document that die_sib makes
8119 a circular linked list.
8120 (FOR_EACH_CHILD): New.
8121 (reverse_die_lists): Delete.
8122 (reverse_all_dies): Delete.
8123 (add_dwarf_attr): Correct documentation.
8124 (remove_child_with_prev): New.
8125 (remove_child_TAG): Update for change to die_struct, use
8126 remove_child_with_prev.
8127 (add_child_die): Update for change to die_struct.
8128 (splice_child_die): Use remove_child_with_prev and add_child_die.
8129 (print_die): Use FOR_EACH_CHILD.
8130 (die_checksum): Likewise.
8131 (assign_symbol_names): Likewise.
8132 (output_location_lists): Likewise.
8133 (build_abbrev_table): Likewise.
8134 (calc_die_sizes): Likewise.
8135 (mark_dies): Likewise.
8136 (unmark_dies): Likewise.
8137 (unmark_all_dies): Likewise.
8138 (output_die): Likewise.
8139 (prune_unused_types_mark): Likewise.
8140 (prune_unused_types_walk): Likewise.
8141 (same_die_p): Update for change to die_struct.
8142 (break_out_includes): Likewise.
8143 (prune_unused_types_prune): Likewise.
8144 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8145 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8147 (dwarf2out_finish): Don't call reverse_all_dies.
8149 2006-04-21 Eric Christopher <echristo@apple.com>
8151 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8152 in comments and function names.
8154 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8157 * c-typeck.c (digest_init): Robustify.
8159 * c-typeck.c (pop_init_level): Simplify.
8161 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8163 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8165 2006-04-21 Paul Brook <paul@codesourcery.com>
8167 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8168 hardware floating point.
8170 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8172 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8175 2006-04-21 Nick Clifton <nickc@redhat.com>
8177 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8180 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8183 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8184 C++ lang type in traceback table for Objective-C++.
8186 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8188 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8190 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8192 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8195 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8196 were errors. Remove check for erroneous objects.
8198 2006-04-20 Jeff Law <law@redhat.com>
8200 PR tree-optimization/26854
8201 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8202 checking for zero or one use.
8203 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8204 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8205 * tree-ssa-reassoc.c (negate_value): Similarly.
8206 (reassociate_bb): Similarly.
8208 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8210 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8211 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8212 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8214 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8216 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8217 fp regs if the last fp arg doesn't fit in regs.
8219 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8222 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8223 that the last insn has the REG_INC note.
8225 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8226 Nathan Sidwell <nathan@codesourcery.com>
8229 * stor-layout.c (update_alignment_for_field): Do not align
8231 (place_union_field): Place union field at the start of the union.
8232 (place_field): Move ERROR_MARK check later, and use the current
8233 allocation position to maintain monotonicity.
8235 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8237 * dominance.c: Include timevar.h.
8238 (calculate_dominance_info): Use TV_DOMINANCE.
8239 * timevar.def (TV_DOMINANCE): New timevar.
8240 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8242 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8244 PR rtl-optimization/14261
8245 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8246 move would be an INSV insn.
8247 (noce_process_if_block): Don't optimize if the destination is a
8248 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8250 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8252 * config/s390/s390.md: Add comments with the instructions emitted
8253 by an insn pattern if macros are used.
8255 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8257 PR rtl-optimization/26026
8258 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8259 is a known power of two shifted left a variable amount.
8261 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8263 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8264 to hash table twice when the debug_str section has SECTION_MERGE.
8266 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8268 * config/soft-fp: New directory. From glibc.
8269 * config/soft-fp/t-softfp: New.
8270 * config/soft-fp/README: New.
8271 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8272 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8273 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8274 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8275 * config.gcc: Use rs6000/t-fprules-fpbit or
8276 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8278 * config/rs6000/sfp-machine.h: New. Based on glibc.
8279 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8281 * config/rs6000/t-fprules: Remove fp-bit rules.
8282 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8283 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8284 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8285 (softfp_wrap_start, softfp_wrap_end): New.
8287 2006-04-18 DJ Delorie <dj@redhat.com>
8289 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8291 2006-04-18 Devang Patel <dpatel@apple.com>
8293 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8295 2006-04-18 Nick Clifton <nickc@redhat.com>
8297 * config/sh/t-symbian: Add rule to build sh-c.o
8298 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8299 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8300 (sh_symbian_encode_section_info): Likewise.
8302 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8304 * builtins.c (expand_builtin_strcmp): Cover label definition of
8305 do_libcall with HAVE_cmpstrnsi.
8307 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8309 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8311 * function.h (temp_slot_p): New.
8312 (function): Change the type of x_used_temp_slots to
8313 VEC(temp_slot_p,gc) *.
8315 2006-04-18 Nick Clifton <nickc@redhat.com>
8317 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8318 flag_strength_reduce.
8320 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8322 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8326 Partial revert of revision 112637
8327 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8328 Dale Johannesen <dalej@apple.com>
8331 * regclass.c (struct reg_pref): Update documentation.
8332 (regclass): Set prefclass to NO_REGS if memory is the best option.
8333 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8335 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8337 PR tree-optimization/26821
8338 * tree-ssa-math-opts.c (get_constant_one): New.
8339 (insert_reciprocals): Use it.
8341 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8343 * dwarf2out.c (free_AT): Delete.
8344 (remove_AT): Update string ref counts.
8345 (remove_child_TAG): Don't call free_die.
8347 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8348 or DW_TAG_GNU_EINCL.
8349 (prune_unused_types_walk_attribs): Reset string refcounts.
8350 (prune_unused_types_update_strings): New.
8351 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8352 call free_die. Do call prune_unused_types_update_strings.
8353 (prune_unused_types): Empty debug_str_hash.
8355 2006-04-17 Roger Sayle <roger@eyesopen.com>
8357 * expr.c (expand_assignment): Optimize away no-op moves where the
8358 source and destination are equal and have no side-effects.
8360 2006-04-17 Richard Guenther <rguenther@suse.de>
8363 * reload.c (push_reload): Guard calls to get_secondary_mem
8366 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8368 * alias.c (reg_base_value, old_reg_base_value): Change the
8369 type to VEC(rtx,gc) *.
8370 (REG_BASE_VALUE, find_base_value, record_set,
8371 init_alias_analysis): Use VEC instead of VARRAY.
8373 * alias.c (alias_sets): Change the type to
8374 VEC(alias_set_entry,gc) *.
8375 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8376 VEC instead of VARRAY.
8377 (last_alias_set): Remove.
8379 * cgraph.h (cgraph_edge_p): New.
8380 Update the prototype of cgraph_function_versioning.
8381 * cgraphunit.c (cgraph_copy_node_for_versioning,
8382 cgraph_function_versioning): Use VEC instead of VARRAY.
8383 * ipa-cp.c (ipcp_insert_stage): Likewise.
8385 2006-04-16 Roger Sayle <roger@eyesopen.com>
8388 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8389 "A op B" or "A op C", we may need to convert A to the type of B and C.
8391 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8393 * target.h (struct gcc_target): Add mode_rep_extended.
8394 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8395 (init_num_sign_bit_copies_in_rep): Initialize it using
8397 (truncate_to_mode): Use it.
8398 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8399 * targhooks.h (default_mode_rep_extended): Declare it.
8400 * targhooks.c (default_mode_rep_extended): Define it.
8401 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8402 default_mode_rep_extended.
8403 (TARGET_INITIALIZER): Include it.
8404 * doc/tm.texi (Misc): Document it.
8405 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8406 (mips_truncated_to_mode): New function.
8408 2006-04-16 Roger Sayle <roger@eyesopen.com>
8411 * expr.c (compress_float_constant): Copy the narrow constant into
8412 a new pseudo before extending it to its final width.
8414 2006-04-16 Roger Sayle <roger@eyesopen.com>
8415 Andrew Pinski <pinskia@gcc.gnu.org>
8416 Dale Johannesen <dalej@apple.com>
8419 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8420 special case code to implement V8HImode and V16QImode with SSE2.
8422 2006-04-15 Roger Sayle <roger@eyesopen.com>
8424 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8425 trees are constructed with a suitable tree type.
8427 2006-04-15 Roger Sayle <roger@eyesopen.com>
8429 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8430 (integer_onep): Likewise.
8431 (integer_all_onesp): Likewise.
8432 (integer_pow2p): Likewise.
8433 (integer_nonzerop): Likewise.
8434 (real_zerop): Likewise.
8435 (real_onep): Likewise.
8436 (real_twop): Likewise.
8437 (real_minus_onep): Likewise.
8438 (int_size_in_bytes): Likewise.
8439 (host_integerp): Likewise.
8441 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8443 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8444 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8445 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8447 * tree-ssa-structalias.h (alias_info): Remove num_references.
8449 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8451 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8452 (output_bvb patterns): Likewise.
8453 * pa.c (output_bb): Use 'bb' insn for long branch case.
8454 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8455 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8456 1. Correct length operand for alternatives 1 and 2.
8457 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8458 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8460 2006-04-14 Roger Sayle <roger@eyesopen.com>
8462 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8463 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8464 were accidentally reverted by r112959.
8466 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8469 * except.h (eh_region_outermost): New prototype.
8470 * except.c (eh_region_outermost): New function.
8471 * tree-cfg.c (find_outermost_region_in_block): Use it.
8473 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8475 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8477 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8478 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8479 (init_reload, reload): Use VEC instead of VARRAY.
8480 * reload.h: Update the prototype for
8481 reg_equiv_memory_loc_varray.
8483 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8484 Eric Botcazou <ebotcazou@libertysurf.fr>
8486 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8489 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8492 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8493 to expand fallback builtin function call.
8495 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8498 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8499 and emit libcall here in case the builtin fails.
8500 (expand_builtin_strcmp): Always emit the libcall here on failure.
8502 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8504 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8505 * flow.c (reg_n_info): Change the type to
8506 VEC(reg_info_p,heap) *.
8507 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8509 * regs.h (reg_info_p): New.
8510 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8511 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8512 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8515 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8517 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8519 * params.h (MAX_SCHED_READY_INSNS): New macro.
8520 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8521 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8522 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8523 the ready list for 1 cycle during the first scheduling pass.
8524 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8526 2006-04-13 Richard Henderson <rth@redhat.com>
8529 * gimple-low.c (lower_omp_directive): Remove dead code.
8530 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8531 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8532 * omp-low.c (struct omp_region): Move to tree-flow.h.
8533 (root_omp_region): Export.
8534 (omp_regions, lookup_omp_region): Remove.
8535 (determine_parallel_type): Update for struct omp_region changes.
8536 (dump_omp_region): Dump regions with block numbers.
8537 (new_omp_region): Take type and block instead of stmt; malloc
8539 (free_omp_region_1, free_omp_regions): New.
8540 (expand_parallel_call): Take entry_stmt as argument; update for
8541 changes to omp_region.
8542 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8543 (remove_exit_barriers): New.
8544 (expand_omp_parallel): Update for struct omp_region changes.
8545 (expand_omp_synch): Likewise.
8546 (expand_omp): Likewise.
8547 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8548 (expand_omp_for_static_chunk): Likewise.
8549 (expand_omp_for): Likewise.
8550 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8551 (expand_omp_sections): Similarly, with GOMP_sections_end.
8552 (expand_omp_single): New.
8553 (build_omp_regions_1): Update for OMP_CONTINUE.
8554 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8555 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8556 OMP_SECTIONS_SECTIONS.
8557 (lower_omp_single_simple): Don't emit barrier here.
8558 (lower_omp_single_copy): Likewise.
8559 (lower_omp_single): Fix bindings, and lower to straightline now.
8560 (lower_omp_master, lower_omp_ordered): Likewise.
8561 (lower_omp_critical): Likewise.
8562 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8563 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8564 omp edges, free it afterward.
8565 (make_omp_sections_edges): Remove.
8566 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8567 (move_stmt_r): Handle OMP_CONTINUE.
8568 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8569 statement pointers to basic blocks. Add type member.
8570 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8571 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8572 * tree-inline.c (estimate_num_insns_1): Likewise.
8573 * tree-pretty-print.c (dump_generic_node): Likewise.
8574 * tree-ssa-operands.c (get_expr_operands): Likewise.
8575 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8576 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8577 (OMP_CONTINUE): New.
8578 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8579 (OMP_SECTIONS_SECTIONS): Remove.
8580 (OMP_SECTION_LAST): New.
8581 (OMP_RETURN_NOWAIT): New.
8583 2006-04-13 Roger Sayle <roger@eyesopen.com>
8585 * fold-const.c (native_encode_vector, native_interpret_real):
8586 Correct obvious mistakes in the previous check-in.
8588 2006-04-13 Roger Sayle <roger@eyesopen.com>
8590 * fold-const.c (native_encode_expr): New function to encode
8591 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8592 or VECTOR_CST into a specified buffer.
8593 (native_encode_int): New function.
8594 (native_encode_real): New function.
8595 (native_encode_complex): New function.
8596 (native_encode_vector): New function.
8597 (native_interpret_expr): Inverse of native_encode_expr to convert
8598 a target representation into an INTEGER_CST, REAL_CST etc...
8599 (native_interpret_int): New function.
8600 (native_interpret_real): New function.
8601 (native_interpret_complex): New function.
8602 (native_interpret_vector): New function.
8603 (fold_view_convert_expr): New function to constant fold/evaluate
8604 a VIEW_CONVERT_EXPR of a suitable constant expression.
8605 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8606 Change call of build1 to fold_build1 when constructing a
8609 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8610 Ulrich Weigand <uweigand@de.ibm.com>
8613 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8616 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8619 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8620 optimize to lo_sum for DFmode if !TARGET_FPRS.
8622 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8624 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8625 delete_alias_info, compute_flow_sensitive_aliasing,
8626 group_aliases): Use VEC instead of VARRAY.
8627 * tree-ssa-structalias.c (update_alias_info): Likewise.
8628 * tree-ssa-structalias.h (alias_info): Change the type of
8629 processed_ptrs to VEC(tree,heap) *.
8631 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8634 * config/sh/lib1funcs.h: New file, broken out of:
8635 * config/sh/lib1funcs.asm.
8636 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8638 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8639 * config/sh/lib1funcs-Os-4-200.asm: New file.
8640 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8641 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8642 (EXTRA_MULTILIB_PARTS): Include it.
8643 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8644 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8645 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8646 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8649 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8651 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8652 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8653 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8655 * tree-ssa-live.h: Include vecprim.h.
8656 (tree_partition_associator_d): Change the type of
8657 first_partition to VEC(int,heap) *.
8658 (tpa_first_partition): Use VEC instead of VARRAY.
8660 * Makefile.in (GTFILES): Move functions.h after tree.h.
8661 * function.c (reset_block_changes, record_block_change,
8662 check_block_change, free_block_changes): Use VEC instead of
8664 * function.h (function): Change the type of
8665 ib_boundaries_block to VEC(tree,gc) *.
8666 * tree-inline.c (copy_cfg_body): Initialize
8667 ib_boundaries_block to NULL instead of (varray_type) 0.
8669 2006-04-12 Roger Sayle <roger@eyesopen.com>
8671 * expr.c (emit_group_store): Correct operand order in call to
8672 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8673 a SUBREG_BYTE of zero.
8675 2006-04-12 Richard Guenther <rguenther@suse.de>
8677 * profile.c (compute_branch_probabilities): Remove code
8678 encapsulated in !ir_type (), which are remanents of the
8679 removed RTL profiling code.
8680 * rtl-profile.c: Remove.
8682 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8684 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8685 magic NULL_RTX comment.
8686 (function_arg): Store entire fp arg to mem if any part should go
8688 (rs6000_arg_partial_bytes): Adjust for above change.
8690 2006-04-11 Roger Sayle <roger@eyesopen.com>
8692 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8693 if it hasn't been initialized by dwarf2out_init.
8695 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8697 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8698 symbolic constants in branch patterns.
8700 2006-04-11 Roger Sayle <roger@eyesopen.com>
8702 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8704 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8706 PR rtl-optimization/27073
8707 * gcse.c (try_replace_reg): Revert last change. Continue to search
8708 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8711 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8713 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8714 aggregate types other than record and union types.
8715 (function_arg): Likewise.
8716 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8718 (function_value): In 64-bit mode, return objects that require it
8721 2006-04-11 Roger Sayle <roger@eyesopen.com>
8723 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8725 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8727 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8729 2006-04-03 Jeff Law <law@redhat.com>
8732 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8733 alias information too.
8735 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8737 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8739 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8742 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8743 (premark_used_types_helper): New.
8744 (premark_used_types): New.
8745 (gen_subprogram_die): Call premark_used_types.
8746 (prune_unused_types_walk): Do not prune perennial dies.
8747 * function.c (used_types_insert): New.
8748 * function.h (struct function): Add used_types_hash field.
8749 (used_types_insert): Add prototype.
8750 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8751 * c-parser.c (c_parser_cast_expression): Save casted types in used
8754 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8757 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8758 rs6000_explicit_options.float_gprs.
8760 2006-04-10 Roger Sayle <roger@eyesopen.com>
8762 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8763 from ix86_expand_vector_init_low_nonzero. Take an additional
8764 one_var argument indicating which element is non-zero. Support
8765 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8766 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8767 with one_var instead of ix86_expand_vector_init_low_nonzero.
8769 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8771 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8772 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8773 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8774 build/genextract.o): Depend on vecprim.h.
8775 * cfglayout.c, df-problems.c, function.c, genextract.c,
8776 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8777 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8781 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8783 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8784 Declare VECs of this type.
8785 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8786 (remove_children): Delete.
8787 (add_dwarf_attr): Use VEC routines.
8788 (add_AT_flag): Update for changes to add_dwarf_attr.
8789 (add_AT_int): Likewise.
8790 (add_AT_unsigned): Likewise.
8791 (add_AT_long_long): Likewise.
8792 (add_AT_vec): Likewise.
8793 (add_AT_string): Likewise.
8794 (add_AT_die_ref): Likewise.
8795 (add_AT_fde_ref): Likewise.
8796 (add_AT_loc): Likewise.
8797 (add_AT_loc_list): Likewise.
8798 (add_AT_addr): Likewise.
8799 (add_AT_lbl_id): Likewise.
8800 (add_AT_lineptr): Likewise.
8801 (add_AT_macptr): Likewise.
8802 (add_AT_offset): Likewise.
8803 (add_AT_range_list): Likewise.
8804 (get_AT): Use VEC_iterate.
8805 (remove_AT): Use VEC_ordered_remove.
8806 (free_die): Fold remove_children into here; have it use VEC_iterate.
8807 (print_die): Use VEC_iterate on attrs.
8808 (reverse_die_lists): Don't reverse attr lists.
8809 (die_checksum): Use VEC_iterate on attrs.
8810 (same_die_p): Likewise.
8811 (output_location_lists): Likewise.
8812 (build_abbrev_table): Likewise.
8813 (size_of_die): Likewise.
8814 (unmark_all_dies): Likewise.
8815 (output_abbrev_section): Likewise.
8816 (output_die): Likewise.
8817 (prune_unused_types_walk_attribs): Likewise.
8819 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8821 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8823 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8826 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8828 2006-04-09 Roger Sayle <roger@eyesopen.com>
8830 * expr.c (store_constructor): Don't bother clearing target if
8831 we're about to assign a vector to it using vec_init_optab.
8833 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8835 * tree-ssa-alias.c (lhs_may_store_to): New function.
8836 (recalculate_used_alone): Handle LHS of calls.
8838 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8842 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8843 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8844 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8845 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8846 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8847 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8848 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8849 stubs. Add ".align 8" directives before all ".dword" directives.
8850 (GTHREAD_USE_WEAK): Revise comment.
8851 (TARGET_ATTRIBUTE_WEAK): Define.
8852 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8853 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8854 * stublib.c: New file.
8859 * pa.md (cbranch patterns): Revise arguments used in calls to
8860 output_cbranch, output_bb and output_bvd. Add long branch length
8862 (fbranch patterns): Handle long branches.
8863 (jump): Revise length check. Revise arguments for output_lbranch call.
8864 Add long branch length attributes.
8865 (decrement_and_branch_until_zero): Add long branch length attributes.
8866 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8867 Likewise. Revise arguments for output_parallel_addb and
8868 output_parallel_movb calls.
8869 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8870 output_parallel_movb and output_parallel_addb): Update prototypes.
8871 * pa.c (output_cbranch): Revise arguments. Correct handling of
8872 nullification in long branches.
8873 (output_lbranch): Add new argument to control extraction of delay
8875 (output_bb): Handle long branches.
8876 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8877 output_parallel_addb): Likewise.
8879 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8881 PR rtl-optimization/27073
8882 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8885 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8887 * tree.h (tree_memory_tag): Add old_used_alone.
8888 (SMT_OLD_USED_ALONE): New macro.
8889 * tree-ssa-alias.c (recalculate_used_alone): Stop
8890 marking things for renaming unnecessarily.
8892 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8894 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8895 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8896 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8897 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8898 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8899 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8900 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8901 spelling convensions.
8902 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8903 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8904 typos. Follow spelling conventions.
8906 2006-04-07 DJ Delorie <dj@redhat.com>
8908 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8909 passed on the stack.
8910 (m32c_init_cumulative_args): When a function returns a structure,
8911 always pass the pointer to that return area on the stack.
8912 (m32c_function_arg_advance): Don't increment the parameter number
8913 if we're processing the returned structure pointer.
8914 (pushm_info): Reverse order of registers.
8916 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8918 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8919 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8920 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8921 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8923 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8924 chrec_fold_multiply): Same.
8925 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8926 force_expr_to_var_cost): Same.
8927 * tree-mudflap.c (mf_xform_derefs_1): Same.
8928 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8930 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8932 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8933 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8936 2006-04-07 Jan Hubicka <jh@suse.cz>
8938 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8940 2006-04-07 Richard Guenther <rguenther@suse.de>
8942 PR tree-optimization/26135
8943 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8944 loads for store copy-prop.
8945 (copy_prop_visit_stmt): Likewise.
8947 2006-04-05 Robert Millan <robertmh@gnu.org>
8949 * config/i386/linux.h: Add a comment to mark macros that are
8950 being overriden in config/k*bsd-gnu.h.
8951 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8953 * config/knetbsd-gnu.h: Ditto.
8955 2006-04-06 Jan Hubicka <jh@suse.cz>
8959 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8962 2006-04-06 Mike Stump <mrs@apple.com>
8964 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8965 for HAVE_nonlocal_goto to be consistent.
8966 (expand_builtin_nonlocal_goto): Likewise.
8967 (expand_builtin_strcmp): Use #ifdef instead of #if
8968 for HAVE_cmpstrnsi to be consistent.
8970 2006-04-05 DJ Delorie <dj@redhat.com>
8972 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8975 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8977 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8978 got-relative addressing for anything but SImode.
8980 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8981 even if the calling function doesn't modify them.
8983 2006-04-05 Richard Guenther <rguenther@suse.de>
8985 PR tree-optimization/26919
8986 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8987 to cgraph_estimate_size_after_inlining.
8989 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8991 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8993 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8995 PR tree-optimization/26996
8996 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8997 VECTOR_TYPE variables.
8999 2006-04-05 Richard Guenther <rguenther@suse.de>
9001 PR tree-optimization/26763
9002 * fold-const.c (fold_comparison): Move folding of
9003 PTR + CST CMP PTR + CST ...
9004 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9006 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9008 * doc/install.texi (Prerequisites): Refine some wording on
9009 bootstrapping and ksh.
9010 Move the version numbers of DejaGnu here from the testing section
9011 and fix casing of names.
9012 Fix markup and clarify wording for autogen requirements.
9013 Refer to GCJ instead of just java.
9014 Refer to SVN instead of CVS.
9015 Describe diffutils as useful instead of necessary.
9016 (Downloading the source): Refer to SVN instead of CVS.
9017 Adjust a link to our web site accordingly.
9018 (Configuration): Fix casing of Bison.
9019 (Building): Refer to SVN instead of CVS.
9020 Fix a sentence on the use of Bison and remove duplicate (and
9021 incorrect) version number of Bison requirement.
9022 Remove one redundant list of packages needed for building.
9023 (Specific): Avoid reference to CVS.
9025 2006-04-04 Eric Christopher <echristo@apple.com>
9027 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9028 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9029 (rs6000_handle_struct_attribute): New.
9030 (rs6000_ms_bitfield_layout_p): Ditto.
9032 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9034 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9035 NULL for dso parameter to atexit_common.
9037 2006-04-04 Eric Christopher <echristo@apple.com>
9039 * config/i386/i386.c (machopic_output_stub): Output \t
9040 between instructions and operands.
9042 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9044 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9045 satisfies_constraint_[IL] to explicit tests on value.
9047 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9049 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9050 set_nb_iterations_in_loop): Use build_int_cst instead of
9052 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9053 build_int_cst instead of convert.
9055 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9057 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9058 new value 2 for incoming.
9059 * function.c (expand_function_start): Call struct_value_rtx
9061 * config/sparc/sparc.md: Comment updated_return.
9062 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9063 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9064 struct return if sparc_std_struct_return and incoming is 2.
9065 (print_operand): Do not adjust return if
9066 sparc_std_struct_return.
9068 2006-04-04 Roger Sayle <roger@eyesopen.com>
9070 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9071 convert in the middle-end.
9072 * expr.c (store_expr, store_constructor, get_inner_reference,
9073 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9075 * tree.c (build_range_type): Likewise.
9077 2006-04-04 Tom Tromey <tromey@redhat.com>
9079 * doc/install.texi (Prerequisites): Mention jar.
9081 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9083 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9086 2006-04-04 Matthias Klose <doko@debian.org>
9088 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9092 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9095 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9097 * doc/extend.texi (Function Attributes): Rewrite visibility
9098 attribute documentation.
9099 * doc/invoke.texi (C++ Dialect Options): Rewrite
9100 -fvisibility-inlines-hidden documentation to describe something
9101 entirely different, although in practise compatible.
9102 (Code Gen Options): Warn about system headers in -fvisibility=
9105 * doc/extend.texi (Other Builtins): Document that
9106 __builtin_nan is a compile-time constant only when its argument
9109 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9111 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9112 trying to remove TRUNCATE check if all bits outside the new mode
9113 are identical to the sign bit.
9115 2006-04-03 Jeff Law <law@redhat.com>
9117 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9118 and operand scanning in some common cases.
9120 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9121 Dale Johannesen <dalej@apple.com>
9124 * regclass.c (struct reg_pref): Update documentation.
9125 (regclass): Set prefclass to NO_REGS if memory is the best option.
9126 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9127 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9128 into account. For non-registers, equate an empty preferred
9129 reload class to a `!' in the constraint; move the if clause to
9130 do so after those that reject the insn.
9131 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9133 (find_dummy_reload): Likewise.
9134 * doc/tm.texi (Register Classes): Document what it means
9135 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9136 * config/i386/i386.c (ix86_preferred_reload_class): Force
9137 using SSE registers (and return NO_REGS for floating-point
9138 constants) if math is done with SSE.
9139 (ix86_preferred_output_reload_class): New.
9140 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9141 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9142 * config/i386/i386.md: Remove # register preferences.
9144 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9147 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9148 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9149 the type of nb_iter.
9150 (instantiate_parameters_1): Convert the operands before calling
9151 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9152 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9154 2006-04-02 Roger Sayle <roger@eyesopen.com>
9156 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9157 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9159 * dojump.c (do_jump): Likewise.
9160 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9161 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9162 gimplify_boolean_expr): Likewise.
9163 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9164 * varasm.c (array_size_for_constructor): Likewise.
9165 * tree-object-size.c (compute_object_offset): Likewise.
9167 2006-04-02 Roger Sayle <roger@eyesopen.com>
9170 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9171 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9173 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9175 PR tree-optimization/26939
9176 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9178 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9180 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9181 at_stmt. Convert the type of operands before calling
9182 build_polynomial_chrec.
9183 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9185 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9186 (instantiate_parameters_1): Convert the type of operands before calling
9187 build_polynomial_chrec.
9188 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9189 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9190 reset_evolution_in_loop): Insert asserts to check the types of the
9192 (chrec_type): Moved...
9193 (eq_evolutions_p): Use operand_equal_p.
9194 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9195 the types of the operands.
9196 (chrec_type): ...here.
9197 * tree-data-ref.c (create_data_ref): Convert the operands before
9198 calling chrec_replace_initial_condition.
9199 (same_access_functions, analyze_subscript_affine_affine,
9200 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9201 (compute_subscript_distance, analyze_ziv_subscript,
9202 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9203 analyze_miv_subscript): Convert the operands before calling
9204 chrec_fold_minus or chrec_fold_plus.
9206 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9208 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9209 the dependence_relations vector.
9210 (compute_data_dependences_for_loop): Adjust call to
9211 compute_all_dependences.
9213 2006-04-01 Roger Sayle <roger@eyesopen.com>
9214 Richard Henderson <rth@redhat.com>
9216 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9217 gimple_boolify on the condition before calling gimplify_expr.
9219 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9221 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9222 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9223 the frame size. Update to use the new macros.
9224 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9225 * config/xtensa/ieee754-df.S: Likewise.
9227 2006-03-31 Richard Henderson <rth@redhat.com>
9229 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9230 (make_edges): ... here. Control fallthru creation with a local
9231 variable. Do not play with fake edges.
9232 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9233 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9236 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9238 * dwarf2.h (DW64_CIE_ID): Define.
9239 * dwarf2out.c (DWARF_CIE_ID): Define.
9240 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9241 length header. Use DWARF_CIE_ID.
9242 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9243 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9245 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9247 * config/sh/linux-atomic.asm: New file.
9248 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9250 2006-03-31 DJ Delorie <dj@redhat.com>
9252 * config/m32c/cond.md: Set condition flags properly throughout.
9253 * config/m32c/minmax.md: Likewise.
9254 * config/m32c/prologue.md: Likewise.
9255 * config/m32c/bitops.md: Likewise.
9256 * config/m32c/muldiv.md: Likewise.
9257 * config/m32c/mov.md: Likewise.
9258 * config/m32c/addsub.md: Likewise.
9259 * config/m32c/m32c.md: Likewise.
9260 * config/m32c/jump.md: Likewise.
9261 * config/m32c/shift.md: Likewise.
9263 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9264 conditionally output the pattern for this.
9265 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9266 (m32c_compare_redundant): New.
9267 (m32c_output_compare): New.
9268 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9270 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9271 dest, not src. Allow other 4-byte modes.
9273 2006-03-30 Denis Chertykov <denisc@overta.ru>
9275 * doc/md.texi: Refer to avr/constraints.md instead of
9278 2006-03-30 Roger Sayle <roger@eyesopen.com>
9280 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9281 signed vs. unsigned comparison failures on some hosts.
9283 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9286 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9287 change to FLOAT_REGS.
9289 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9290 (rs6000_override_options): Use it.
9291 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9292 only for -mabi=spe/no-spe and -mabi=altivec.
9294 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9296 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9299 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9301 * Makefile.in: Rename docdir to gcc_docdir.
9303 2006-03-30 Roger Sayle <roger@eyesopen.com>
9306 * expr.c (emit_group_store): Optimize group stores into a pseudo
9307 register by using a paradoxical subreg to initialize the destination
9308 if the first or last member of the group specifies a "low part".
9310 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9313 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9314 * target.h (struct gcc_target.speculate_insn): Change type of the
9315 second parameter to 'int'.
9316 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9317 the second operand of the DEPS_LIST.
9318 (copy_DEPS_LIST_list): Update reference to the second operand of the
9320 * rtl.h (alloc_DEPS_LIST): Update signature.
9321 * sched-int.h (ds_t): Change typedef to 'int'.
9322 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9324 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9326 * haifa-sched.c (try_ready): Change condition to restore
9327 non-speculative pattern of the instruction.
9328 (process_insn_depend_be_in_spec): Code to keep probability of the
9329 speculative dependence non-decreasing.
9331 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9333 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9334 (single_move_for_movmem): ... this. Also change all uses.
9335 (bfin_expand_strmov): Renamed to...
9336 (bfin_expand_movmem): ... this. Also change all uses.
9337 * config/bfin/bfin.md (movstrsi): Renamed to...
9338 (movstrsi): ...this.
9340 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9342 PR tree-optimization/26830
9344 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9345 (copy_prop_visit_stmt): Remove write-only variable ann.
9346 (init_copy_prop): Check variable loop depth here. Do not simulate
9347 memory-tag and virtual operand PHIs except for store copy prop.
9349 2006-03-30 Richard Guenther <rguenther@suse.de>
9351 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9352 variants with double arguments.
9354 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9356 * genpreds.c (write_tm_constrs_h): Delete variable p.
9357 * genconditions.c (write_header): Add tm-constrs.h to included
9359 * genpeep.c (main): Add toplev.h to included headers.
9360 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9361 (build/genpeep.o): Add toplev.h dependency.
9362 * config/rs6000/constraints.md: Add "W" constraint.
9364 2006-03-29 Roger Sayle <roger@eyesopen.com>
9366 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9367 sizes by correctly testing whether the size fits a host integer.
9368 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9369 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9370 SImode range for the default sizetype and bitsizetype.
9372 2006-03-29 Roger Sayle <roger@eyesopen.com>
9374 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9375 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9376 quickly if the argument is already of the correct type.
9377 Call fold_build1 instead of build1. Tidy up blank lines.
9379 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9381 * genemit.c (main): Add tm-constrs.h to included headers.
9382 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9383 * genpeep.c (main): Add tm-constrs.h to included headers.
9384 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9385 (write_tm_constrs_h): this and write complete file.
9386 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9387 (write_insn_preds_c): Add tm-constrs.h to included headers.
9388 (gen_constrs): New variable.
9389 (parse_option): Parse "-c".
9390 (main): Invoke write_tm_constrs_h.
9391 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9392 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9393 (object_out_file): Add tm-constrs.h dependency.
9394 (insn-emit.o): Same.
9395 (insn-output.o): Same.
9396 (insn-peep.o): Same.
9397 (insn-preds.o): Same.
9398 (insn-recog.o): Same.
9399 (tm-constsr.h): New target.
9400 (s-constrs-h): New target.
9402 * config/rs6000/constraints.md: New file.
9403 * config/rs6000/rs6000.c: Include tm-constrs.h.
9404 (num_insn_constant_wide): Convert to satisfies_constraint.
9405 (rs6000_rtx_costs): Convert to satisfies_constraint.
9406 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9407 (CONST_OK_FOR_LETTER_P): Delete.
9408 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9409 (EXTRA_CONSTRAINT): Delete.
9410 (EXTRA_MEMORY_CONSTRAINT): Delete.
9411 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9412 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9413 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9414 satisfies_constraint.
9416 * config/i386/i386.c: Include tm-constrs.h.
9418 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9420 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9421 * tree-data-ref.c (find_data_references_in_loop,
9422 compute_data_dependences_for_loop): Use pointers to VEC.
9423 (analyze_all_data_dependences): Adjust calls.
9424 * tree-data-ref.h (find_data_references_in_loop,
9425 compute_data_dependences_for_loop): Adjust declarations.
9426 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9427 compute_data_dependences_for_loop.
9429 2006-03-29 Paul Brook <paul@codesourcery.com>
9431 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9434 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9436 PR tree-optimization/26859
9437 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9439 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9440 for the step after fold_convert.
9442 2006-03-29 Paul Brook <paul@codesourcery.com>
9444 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9445 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9447 2006-03-29 Paul Brook <paul@codesourcery.com>
9450 * targhooks.c (default_narrow_bitfield): New fuction.
9451 * targhooks.h (default_narrow_bitfield): add prototype.
9452 * target.h (gcc_target): Add narrow_volatile_bitfield.
9453 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9454 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9455 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9456 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9458 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9460 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9462 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9463 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9464 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9465 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9466 (s390_function_arg_float): Allow SDmode and DDmode values to be
9467 passed in floating point registers.
9468 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9469 check with SCALAR_FLOAT_MODE_P.
9470 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9472 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9474 PR tree-optimization/25985
9475 * tree-ssa-loop-niter.c (number_of_iterations_le,
9476 number_of_iterations_ne): Make comments more precise.
9477 (number_of_iterations_cond): Add only_exit argument. Use the
9478 fact that signed variables do not overflow only when only_exit
9480 (loop_only_exit_p): New.
9481 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9482 number_of_iterations_cond.
9484 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9486 PR tree-optimization/26643
9487 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9490 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9492 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9493 (divsi3_i4_int): Likewise.
9495 2006-03-28 Roger Sayle <roger@eyesopen.com>
9497 * expr.c (emit_group_store): Only create a new pseudo reg if the
9498 quantity it needs to hold isn't already a suitable pseudo.
9500 2006-03-28 Jeff Law <law@redhat.com>
9502 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9503 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9505 2006-03-28 Roger Sayle <roger@eyesopen.com>
9507 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9508 the equivalent ~X & Y, and the symmetry related transformations.
9509 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9510 ~X & Y, and symmetry related transforms.
9512 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9514 Revert my 2006-03-27 patches.
9516 2006-03-28 Roger Sayle <roger@eyesopen.com>
9518 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9519 ~(T1)X, when T1 and T2 are integer types of the same precision
9520 and (T2)X isn't an extension.
9522 2006-03-28 Jeff Law <law@redhat.com>
9524 PR tree-optimization/26796
9525 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9526 need EH edge cleanups rather than purging them immediately.
9527 (eliminate_degenerate_phis): Handle queued EH cleanups.
9529 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9531 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9534 2006-03-27 Roger Sayle <roger@eyesopen.com>
9537 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9538 cast BIT_NOT_EXPR operand to the correct type.
9540 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9542 * tree-loop-linear.c: Don't include varray.h.
9543 (gather_interchange_stats, try_interchange_loops,
9544 linear_transform_loops): Use VEC instead of VARRAY.
9545 * lambda-mat.c: Don't include varray.h.
9546 * tree-chrec.c: Same.
9547 * lambda-trans.c: Same.
9548 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9549 VEC instead of VARRAY.
9550 * tree-vectorizer.h: Idem.
9551 * tree-data-ref.c (dump_data_references,
9552 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9553 initialize_data_dependence_relation, finalize_ddr_dependent,
9554 compute_all_dependences, find_data_references_in_loop,
9555 compute_data_dependences_for_loop, analyze_all_data_dependences,
9556 free_dependence_relation, free_dependence_relations,
9557 free_data_refs): Idem.
9558 * tree-data-ref.h (data_reference_p, subscript_p): New.
9559 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9560 VEC instead of VARRAY.
9561 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9562 (find_data_references_in_loop, compute_data_dependences_for_loop,
9563 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9564 dump_data_dependence_relations, free_dependence_relations,
9565 free_data_refs): Adjust declaration.
9566 (lambda_transform_legal_p): Move declaration here...
9567 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9568 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9569 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9570 vect_analyze_data_refs): Use VEC instead of VARRAY.
9571 * lambda.h (lambda_transform_legal_p): ...from here.
9572 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9573 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9574 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9575 tree-chrec.o): Don't depend on VARRAY_H.
9577 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9579 * rtl.def (Copyright): Update date.
9580 (DEPS_LIST): Change type of the second operand to 'int'.
9581 * target.h (Copyright): Update date.
9582 (struct gcc_target.speculate_insn): Change type of the second parameter
9584 * lists.c (Copyright): Update date.
9585 (alloc_DEPS_LIST): Change signature. Update reference to the second
9586 operand of the DEPS_LIST.
9587 (copy_DEPS_LIST_list): Update reference to the second operand of the
9589 * rtl.h (Copyright): Update date.
9590 (alloc_DEPS_LIST): Update signature.
9591 * sched-int.h (Copyright): Update date.
9592 (ds_t): Change typedef to 'int'.
9593 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9595 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9597 * haifa-sched.c (Copyright): Update date.
9598 (try_ready): Change condition to restore non-speculative pattern
9600 (process_insn_depend_be_in_spec): Code to keep probability of the
9601 speculative dependence non-decreasing.
9603 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9605 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9606 shut up the compiler.
9608 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9610 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9611 to use lib prefix for target.
9612 ($(T)libic_invalidate_array_4-200.a): Likewise.
9613 ($(T)libic_invalidate_array_4a.a): Likewise.
9615 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9616 J"orn Rennecke <joern.rennecke@st.com>
9618 * superh.opt: New file.
9619 * sh.c (boardtype, osruntime): Remove.
9620 * superh.h (SUBTARGET_OPTIONS): Remove.
9621 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9623 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9624 arguments with ^ and/or [].
9626 * config.gcc (sh-*-*): Add quoting to account for quirk of
9628 Replace == with = in enable_incomplete_targets test.
9630 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9631 with MASK_LITTLE_ENDIAN.
9633 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9634 * config/sh/sh.opt: Added to some comments.
9635 * config/sh/superh.h: Removed some chaff.
9637 * config/sh/sh.opt: Add m4-[1234]00* options.
9638 * config/sh/sh.c (sh_handle_option): Likewise.
9639 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9640 (ic_invalidate_array_4-100.o): New rule.
9641 ($(T)libic_invalidate_array_4-100.a): Likewise.
9642 (ic_invalidate_array_4-200.o): Likewise.
9643 ($(T)libic_invalidate_array_4-200.a): Likewise.
9644 (ic_invalidate_array_4a.o): Likewise.
9645 ($(T)libic_invalidate_array_4a.a): Likewise.
9646 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9647 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9649 * config/sh/crt1.asm: Merged in profiling code.
9650 * config/sh/superh.h (STARTFILE_SPEC): Override.
9651 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9652 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9653 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9655 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9656 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9657 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9659 * sh.opt (mpretend-cmove): New option.
9660 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9661 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9662 (movsicc): Add TARGET_PRETEND_CMOVE code.
9664 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9666 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9667 s390_class_max_nregs): New function prototypes.
9668 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9669 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9670 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9671 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9673 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9675 * dwarf2out.c (add_location_or_const_value_attribute): Call
9676 tree_add_const_value_attribute if nothing else works.
9677 (reference_to_unused): New.
9678 (rtl_for_decl_init): Use reference_to_unused to decide whether
9679 to output an initializer.
9681 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9684 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9685 peephole removing spe frob_di_df_2.
9687 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9689 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9690 (subscript_dependence_tester_1): Declared.
9691 (print_dir_vectors, print_dist_vectors): New.
9692 (debug_data_dependence_relation): New.
9693 (dump_data_dependence_relation): Print more details.
9694 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9695 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9696 (save_dist_v, save_dir_v, add_outer_distances,
9697 build_classic_dist_vector_1): New.
9698 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9699 Don't test for lambda_vector_lexico_pos.
9700 (same_access_functions, add_multivariate_self_dist,
9701 add_other_self_distances, dir_from_dist): New.
9702 (build_classic_dir_vector): Replace implementation almost identical to
9703 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9705 (subscript_dependence_tester_1): New.
9706 (subscript_dependence_tester): Handle the lexicographically negative
9707 distance vectors by recomputing the dependence relation.
9708 (compute_affine_dependence): Remove parameter loop_nest_depth.
9709 (compute_self_dependence): Don't call compute_subscript_distance.
9710 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9711 Add a parameter for the loop_nest.
9712 (find_loop_nest_1, find_loop_nest): New.
9713 (compute_data_dependences_for_loop): Compute the loop nest, and give
9714 up if the nest is not well formed.
9715 * tree-data-ref.h (loop_p): New.
9716 (struct data_dependence_relation): Replace size_vect field with
9717 loop_nest, a vec of loops.
9718 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9719 (DDR_LOOP_NEST): New.
9720 (print_dir_vectors, print_dist_vectors,
9721 debug_data_dependence_relation): Declared.
9722 (index_in_loop_nest): New.
9723 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9724 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9727 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9729 * simplify-rtx.c (simplify_relational_operation): Call
9730 simplify_relational_operation_1 even if mode is VOIDmode.
9732 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9734 PR tree-optimization/26804
9735 * tree.h (DECL_CALL_CLOBBERED): New macro.
9736 (tree_decl_common): Add call_clobbered_flag.
9737 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9738 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9739 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9740 (mark_non_addressable): Ditto.
9741 * tree-ssa.c (verify_call_clobbered): New function.
9742 (verify_alias_info): Use it.
9743 * tree-pass.h (pass_reset_cc_flags): New prototype.
9744 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9745 (reset_cc_flags): New function.
9746 * passes.c (init_optimization_passes): Call reset_cc_flags after
9747 initializing referenced_vars.
9749 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9750 Roger Sayle <roger@eyesopen.com>
9753 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9754 to 1.0 for non-real operands. Implement A / A optimization for
9757 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9759 * config/i386/i386.c (size_cost): Correct the comment for
9760 cost of storing fp registers.
9761 (i386_cost): Likewise.
9762 (i486_cost): Likewise.
9763 (pentium_cost): Likewise.
9764 (pentiumpro_cost): Likewise.
9765 (k6_cost): Likewise.
9766 (athlon_cost): Likewise.
9767 (k8_cost): Likewise.
9768 (pentium4_cost): Likewise.
9769 (nocona_cost): Likewise.
9770 (generic64_cost): Likewise.
9771 (generic32_cost): Likewise.
9773 2006-03-24 Denis Chertykov <denisc@overta.ru>
9775 * config/avr/avr-protos.h (extra_constraint): Delete.
9776 (extra_constraint_Q): New declaration.
9777 * config/avr/constraints.md: New file.
9778 * config/avr/avr.md: Include it.
9779 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9780 (TMP_REGNO, ZERO_REGNO): Likewise.
9781 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9782 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9783 (extra_constraint): Delete.
9784 (extra_constraint_Q): Test for memory constraint 'Q'.
9785 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9786 (REG_CLASS_FROM_LETTER): Delete.
9787 (CONST_OK_FOR_LETTER_P): Delete.
9788 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9789 (EXTRA_CONSTRAINT): Delete.
9790 (TMP_REGNO): Delete.
9791 (ZERO_REGNO): Delete.
9793 2006-03-24 Jeff Law <law@redhat.com>
9795 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9796 directly. Call mark_new_vars_to_rename slightly earlier.
9798 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9800 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9802 (gen_compile_unit_die): Use new language types for Objective-C and
9804 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9805 DW_LANG_C_plus_plus.
9808 * config/t-darwin (crt3.o): Work around bug 26840.
9809 * config/darwin-crt3.c: Rewrite.
9810 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9812 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9814 * doc/invoke.texi: Document -femit-class-debug-always
9815 * common.opt: Add -femit-class-debug-always.
9817 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9819 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9820 index and base register.
9821 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9822 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9823 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9824 REGNO_OK_FOR_INDEX_P.
9825 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9827 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9828 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9829 REG_OK_FOR_BASE_P): Definitions removed.
9831 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9834 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9835 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9836 set yet or weren't marked as local yet.
9838 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9840 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9843 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9845 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9846 (rs6000_legitimate_small_data_p): Delete.
9847 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9848 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9849 and make static. Add forward declaration. Update uses.
9850 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9851 of offsettable_memref_p.
9852 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9853 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9855 2006-03-24 Jeff Law <law@redhat.com>
9857 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9858 around bug in immediate-use iterator.
9860 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9863 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9864 or __LITTLE_ENDIAN__.
9866 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9868 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9869 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9870 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9871 * config/sh/sh.opt (mdiv=): Amend description.
9872 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9873 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9874 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9875 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9876 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9877 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9878 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9879 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9880 TARGET_DIVIDE_CALL_FP.
9882 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9884 * haifa-sched.c (choose_ready): Fix type of the local variable.
9885 Move local variables. Add comment.
9886 (check_reg_live): Change signature. Make callable from debugger.
9887 * sched-int.h (check_reg_live): Update signature.
9888 * sched-ebb.c (check_reg_live): Update parameters.
9889 * sched-rgn.c (check_reg_live): Ditto.
9890 (region_head_or_leaf_p): Check pointer before dereferencing.
9891 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9892 before reload on optimization levels below 1.
9894 2006-03-23 Richard Henderson <rth@redhat.com>
9896 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9900 * config/alpha/predicates.md (local_symbolic_operand): Reject
9903 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9906 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9907 expressions which have overflowed constants.
9909 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9911 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9913 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9915 * cfgloopmanip.c (create_loop_notes): Removed.
9916 * final.c (final_scan_insn): Do not handle loop notes.
9917 * jump.c (squeeze_notes): Ditto.
9918 * cfglayout.c (skip_insns_after_block,
9919 duplicate_insn_chain): Ditto.
9920 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9922 * cfgloop.h (create_loop_notes): Declaration removed.
9924 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9926 * varasm.c (output_constant_pool): Restore fnname and fndecl
9928 (assemble_start_function): Adjust call accordingly.
9929 (assemble_end_function): Likewise.
9931 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9934 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9937 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9939 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9942 * system.h (ICE_EXIT_CODE): New macro.
9943 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9944 (diagnostic_action_after_output): Likewise.
9945 * gcc.c (fatal_ice): New function.
9946 (execute): Use it instead of fatal.
9947 (fancy_abort): Likewise.
9948 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9950 2006-03-22 Jeff Law <law@redhat.com>
9952 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9953 iv_analyze_result returning false.
9955 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9957 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9959 2006-03-22 Richard Henderson <rth@redhat.com>
9962 * except.c (duplicate_eh_regions_0): New.
9963 (duplicate_eh_region_1): Duplicate the children of the node as
9964 well as the node itself. Link them up properly.
9965 (duplicate_eh_region_2): Merge into ...
9966 (duplicate_eh_regions): ... here. Take copy_region argument, and
9967 copy only a sub-tree if asked. Simplify copying and fixup.
9968 (eh_region_outer_p): New.
9969 * except.h (duplicate_eh_regions): Update decl.
9970 (eh_region_outer_p): Declare.
9971 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9972 (lower_omp_master): Likewise.
9973 (lower_omp_ordered): Likewise.
9974 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9975 (move_stmt_r): Use it to remap labels. Handle recursion vs
9976 remap_decls_p properly.
9977 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9978 (find_outermost_region_in_block): New.
9979 (new_label_mapper): New.
9980 (move_sese_region_to_fn): Copy eh information to the new function
9982 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9984 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9987 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9989 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9990 into shared libraries.
9992 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9994 * doc/md.texi: Refer to i386/constraints.md instead of
9996 * config/i386/constraints.md: New file, extracted from...
9997 * config/i386/predicates.md: ...here.
9998 * config/i386/i386.md: Include constraints.md.
10000 2006-03-21 Jason Merrill <jason@redhat.com>
10002 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10004 PR middle-end/20297
10005 * expr.c (init_block_move_fn): Force default visibility.
10006 (init_block_clear_fn): Likewise.
10007 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10008 * targhooks.c (default_external_stack_protect_fail): Likewise.
10010 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10012 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10013 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10014 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10015 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10016 (loadgp): Use mips_current_loadgp_style.
10017 (loadgp_noshared): New pattern.
10018 (sibcall_internal): Use MIPS_CALL.
10019 (sibcall_value_internal): Likewise.
10020 (sibcall_value_multiple_internal): Likewise.
10021 (call_internal): Likewise.
10022 (call_value_internal): Likewise.
10023 (call_value_multiple_internal): Likewise.
10024 (call_split): Use MIPS_CALL and add an 'S' constraint.
10025 (call_value_split): Likewise.
10026 (call_value_multiple_split): Likewise.
10027 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10028 (-mshared): New option.
10029 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10030 (mips_current_loadgp_style): Declare.
10031 * config/mips/mips.c (mips_classify_symbol): Avoid using
10032 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10033 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10034 TARGET_ABSOLUTE_ABICALLS.
10035 (override_options): Adjust comments. Improve the warning that is
10036 issued when -mabicalls and -G are used together.
10037 (mips_file_start): Remove comment.
10038 (mips_current_loadgp_style): New function.
10039 (mips_gnu_local_gp): New variable.
10040 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10042 (mips_output_function_prologue): Use mips_current_laodgp_style.
10043 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10044 the cprestore instruction.
10045 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10046 live for TARGET_ABSOLUTE_ABICALLS.
10047 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10048 (ASM_SPEC): Pass down -mshared and -mno-shared.
10049 (MIPS_CALL): New macro.
10050 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10052 * doc/invoke.texi (-mabicalls): Update documentation.
10053 (-mshared): Document.
10055 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10057 * config/ia64/unwind-hpux.c: New file.
10058 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10060 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10063 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10065 2006-03-21 Jeff Law <law@redhat.com>
10067 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10068 type conversions of a VR_VARYING source to a wider type.
10070 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10072 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10073 tm_file on Solaris 10 and later.
10074 (sparc64-*-solaris2*): Likewise.
10075 (sparc-*-solaris2*): Likewise.
10076 * config/sol26.h: Rename to config/sol2-6.h.
10077 * config/sol2-10.h: New file.
10079 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10082 * tree-ssa-pre.c (create_component_ref_by_pieces):
10085 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10088 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10089 return it immediately.
10091 2006-03-21 Michael Matz <matz@suse.de>
10093 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10095 (remove_arc, add_arc): Update num_out_arcs member.
10096 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10098 (cache_presence): New function.
10099 (compare_states_for_equiv): New function.
10100 (state_is_differed): Don't take number of outargs, adjust callers.
10101 Use new invariant for speeding up.
10102 (init_equiv_class): Create initial classes based on sorted
10104 (partition_equiv_class): Don't track out_arcs_num.
10105 (evaluate_equiv_classes): Call cache_presence on all states and
10108 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10110 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10111 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10112 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10113 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10115 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10116 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10117 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10118 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10119 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10121 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10122 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10123 (REGNO_REG_CLASS): ARGP is in PREGS.
10124 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10126 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10127 to deal with those addresses.
10128 * addresses.h: New file.
10129 * caller-save.c: Include "addresses.h".
10130 (init_caller_save): Use new base_reg_class function.
10131 * rtl-factoring.c: Include "addresses.h".
10132 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10133 * recog.c: Include "addresses.h".
10134 (preprocess_constraints): Use new base_reg_class function.
10135 * regrename.c: Include "addresses.h".
10136 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10137 functions. Keep track of a new var INDEX_CODE to compute valid
10139 (replace_oldest_value_addr): Likewise.
10140 (replace_oldest_value_mem): Use base_reg_class.
10141 * reload.c: Include "addresses.h".
10142 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10143 (find_reloads): Use new base_reg_class function.
10144 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10145 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10146 all callers and prototype changed.
10147 * reload1.c: Include "addresses.h".
10148 (maybe_fix_stack_asms): Use base_reg_class.
10149 * regclass.c: Include "addresses.h".
10150 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10151 (init_reg_autoinc): Use new base_reg_class function.
10152 (record_reg_classes): Likewise.
10153 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10154 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10155 Use new args to compute necessary class.
10157 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10158 regrename.o, rtl-factoring.o): Update dependencies.
10159 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10160 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10161 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10162 REG_OK_FOR_INDEX_P): Delete documentation.
10164 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10166 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10167 from V7 to V9 for Solaris 7 and above.
10169 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10171 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10172 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10173 argument pointers may not alias any other storage.
10174 * common.opt: Define option -fargument-noalias-anything.
10175 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10176 alias semantics is specified by flag_argument_noalias > 2.
10178 2006-03-20 Jeff Law <law@redhat.com>
10180 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10181 (pass_phi_only_cprop): Declare.
10182 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10183 with phi_only_cprop
10184 * tree-ssa-dom.c (degenerate_phi_result): New function.
10185 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10186 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10187 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10188 (eliminate_degenerate_phis): Likewise.
10189 (pass_phi_only_cprop): New pass descriptor.
10190 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10191 support code. Callers updated.
10192 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10193 (store_copy_prop): Likewise.
10194 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10196 2006-03-20 Jason Merrill <jason@redhat.com>
10199 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10200 (push_visibility, pop_visibility): Likewise.
10201 * c-pragma.h: Declare them.
10203 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10205 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10207 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10208 parameter and use get_ebb_head_tail.
10209 (sh_md_init_global): Adjust uses of find_regmode_weight.
10211 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10213 * function.h (struct function) <x_tail_recursion_reentry>:
10214 Rename to x_stack_check_probe_note.
10215 (tail_recursion_reentry): Rename to stack_check_probe_note.
10216 * function.c: Replace tail_recursion_reentry with
10217 stack_check_probe_note everywhere.
10218 (expand_function_start): Only emit a note for
10219 stack_check_probe_note with -fstack-protect.
10220 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10222 * emit-rtl.c (remove_unnecessary_notes): Remove.
10223 (pass_remove_unnecessary_notes): Remove.
10224 * rtl.h (remove_unnecessary_notes): Remove prototype.
10225 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10226 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10227 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10229 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10232 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10233 (valid_in_set): Handle ARRAY_REF.
10234 Change "if min_variant or VH" to asserts.
10235 (create_component_ref_by_pieces): Handle ARRAY_REF.
10236 (create_expression_by_pieces): Likewise.
10237 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10239 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10241 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10242 is operand of switch, not str[0].
10244 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10246 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10247 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10249 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10251 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10252 end of insn_extra_address_constraint declaration.
10254 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10256 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10257 (no-sum-in-toc): Same.
10258 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10260 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10261 NO_FP_IN_TOC for -fPIC instead of mask.
10263 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10264 (BOOT_LDFLAGS): Delete.
10266 * config/rs6000/t-aix52: Same.
10268 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10269 (stmsi[345678]_power): New.
10271 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10273 * config/ia64/ia64.opt: Add empty line to end of file.
10275 2006-03-17 Richard Guenther <rguenther@suse.de>
10277 PR middle-end/26721
10278 * builtins.c (get_pointer_alignment): For component style references
10279 adjust alignment to the component type alignment. Make sure
10280 to adjust alignment for component access of constants.
10282 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10284 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10285 unconditional jump.
10287 2006-03-17 Paul Brook <paul@codesourcery.com>
10289 * doc/install.texi: Docuemnt --with-mode.
10290 * config.gcc: Add --with-mode for arm*-*-*.
10291 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10293 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10295 * sh.c (max_labelno_before_reorg): New variable.
10296 (sh_reorg): Initialize it.
10297 (find_barrier): Check max_labelno_before_reorg before using
10298 label_to_alignment. Take length of explicit alignment insns
10299 into account. When seeing a UNSPECV_CONST_END, return it.
10301 * sh.c (fixup_mova): Set mode of affected label to QImode.
10302 (untangle_mova): New function.
10303 (find_barrier): Use it. Check mode of label before decrementing
10305 (sh_reorg): Likewise.
10306 Set mode of all insns back to VOIDmode.
10308 * sh.c (MOVA_LABELREF): New macro.
10309 (mova_p, fixup_mova, sh_reorg): Use it.
10310 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10311 ADDR_DIFF_VEC matches mova.
10313 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10315 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10316 with ATTRIBUTE_UNUSED.
10318 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10320 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10321 pointer, instead of assuming it is possible to derive the
10322 correct args size from a call insn.
10324 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10326 * rtl.h (CONST_INT_P): Define.
10327 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10328 instead of GET_CODE(x) == CONST_INT.
10329 (vax_rtx_costs): Likewise.
10330 (vax_output_int_move): Likewise.
10331 (vax_output_int_add): Likewise.
10332 (legitimate_constant_address_p): Likewise.
10333 (index_term_p): Likewise.
10334 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10335 * config/vax/vax.md (and<mode>3): Likewise.
10336 (ashrsi3): Likewise.
10338 (movstricthi): Likewise.
10339 (movstrictqi): Likewise.
10340 (rotrsi3): Likewise.
10341 (five unnamed insns): Likewise.
10343 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10345 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10346 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10347 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10348 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10349 Pass to ASM_OUTPUT_DWARF_OFFSET.
10350 * dwarf2out.c (debug_frame_section): New.
10351 (output_call_frame_info): Use debug_frame_section. Pass it to
10352 dw2_asm_output_offset.
10353 (output_die): Pass appropriate section to dw2_asm_output_offset.
10354 (output_compilation_unit_header): Likewise.
10355 (output_pubnames): Likewise.
10356 (output_aranges): Likewise.
10357 (enum dw_val_class): Break dw_val_class_lbl_offset into
10358 dw_val_class_lineptr and dw_val_class_macptr.
10359 (add_AT_lbl_offset): Delete.
10360 (add_AT_lineptr): New.
10361 (add_AT_macptr): New.
10362 (AT_lbl): Expect a lineptr or macptr.
10363 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10364 (attr_checksum): Likewise.
10365 (same_dw_val_p): Likewise.
10366 (size_of_die): Likewise.
10367 (value_format): Likewise.
10368 (output_die): Likewise.
10369 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10371 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10372 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10373 * config/darwin-protos.h (darwin_file_start): New.
10374 (darwin_asm_output_dwarf_offset): New.
10375 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10376 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10378 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10379 if not EH section; simplify.
10380 (darwin_file_start): New.
10381 (darwin_asm_output_dwarf_offset): New.
10382 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10384 (DEBUG_INFO_SECTION): Likewise.
10385 (DEBUG_ABBREV_SECTION): Likewise.
10386 (DEBUG_ARANGES_SECTION): Likewise.
10387 (DEBUG_MACINFO_SECTION): Likewise.
10388 (DEBUG_LINE_SECTION): Likewise.
10389 (DEBUG_LOC_SECTION): Likewise.
10390 (DEBUG_PUBNAMES_SECTION): Likewise.
10391 (DEBUG_STR_SECTION): Likewise.
10392 (DEBUG_RANGES_SECTION): Likewise.
10393 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10394 (ASM_OUTPUT_DWARF_OFFSET): New.
10396 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10398 * config.gcc (tm_defines): Always add to previous value rather
10401 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10403 * config/mips/predicates.md (splittable_const_int_operand): New,
10404 split from move_operand.
10405 (splittable_symbolic_operand): New.
10406 (move_operand): Add commentary. Use splittable_const_int_operand.
10407 Inline mips_atomic_symbolic_constant_p.
10408 * config/mips/mips.md: Add combine splitters for handling moves
10409 of splittable_const_int_operands and splittable_symbolic_operands.
10410 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10411 (mips_split_symbol): Declare.
10412 (mips_move_integer): Declare.
10413 * config/mips/mips.c (mips_split_p): Make global.
10414 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10415 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10416 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10417 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10418 (mips_offset_within_object_p): Handle block symbols.
10419 (mips_atomic_symbolic_constant_p): Delete.
10420 (mips_cannot_force_const_mem): Return false for constants that
10421 mips_legitimize_move can handle.
10422 (mips_use_blocks_for_constant_p): New function.
10423 (mips_split_symbol): Make global.
10424 (mips_move_integer): Likewise. Add a temporary register argument.
10425 (mips_legitimize_const_move): Use splittable_const_int_operand and
10426 splittable_symbolic_operand.
10427 (mips_use_anchors_for_symbol_p): New function.
10428 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10429 (mips_split_p): Declare.
10431 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10433 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10434 (mips*-*-linux*): Likewise.
10436 2006-03-16 Roger Sayle <roger@eyesopen.com>
10437 Daniel Speyer <dspeyer@wam.umd.edu>
10439 PR middle-end/18259
10440 * tree-dump.c (dump_real): New function.
10441 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10442 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10443 (tree-dump.o): Add $(REAL_H) to the dependencies.
10445 2006-03-16 Roger Sayle <roger@eyesopen.com>
10447 PR middle-end/21781
10448 * real.c (real_from_string): If the mantissa is zero, don't bother
10449 parsing the exponent as the result should always be zero.
10451 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10453 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10455 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10457 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10458 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10459 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10460 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10461 ia64_sched_finish_global): New static functions to implement
10462 hooks from gcc_target.sched.
10463 (spec_check_no, max_uid, pending_data_specs): New static variables.
10464 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10465 ia64_spec_check_src_p): New static functions.
10466 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10467 (TARGET_SCHED_ADJUST_COST): Removed.
10468 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10469 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10470 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10471 TARGET_SCHED_GEN_CHECK,
10472 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10473 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10474 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10475 Fixed to handle speculation checks.
10476 (rtx_needs_barrier): Fixed to handle speculative loads and
10478 (ia64_variable_issue): Added code to count speculative loads and their
10480 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10482 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10484 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10486 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10487 (ia64_reorg): Reset stops_p to NULL after it is freed.
10488 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10489 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10490 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10492 (data_speculative, control_speculative, check_load): New attributes.
10493 (mov<mode>_advanced, mov<mode>_speculative,
10494 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10495 zero_extend<mode>di2_speculative,
10496 zero_extend<mode>di2_speculative_advanced): New patterns for
10497 data and control speculative loads.
10498 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10500 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10501 New pattern for data and control speculation checks.
10502 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10503 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10504 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10505 Auxiliary definitions for the patterns.
10506 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10507 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10509 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10511 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10512 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10513 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10514 New resource constraints.
10515 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10517 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10518 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10519 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10520 msched-in-control-spec, msched-ldc, msched-control-ldc,
10521 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10522 msched-prefer-non-control-spec-insns,
10523 msched-count-spec-in-critical-path): New flags to tune speculative
10525 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10526 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10527 msched-in-control-spec, msched-ldc, msched-control-ldc,
10528 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10529 msched-prefer-non-control-spec-insns,
10530 msched-count-spec-in-critical-path): Document new flags.
10532 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10534 * target.h (struct spec_info_def): New opaque declaration.
10535 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10536 speculate_insn, needs_block_p, gen_check,
10537 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10538 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10539 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10540 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10541 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10542 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10544 (TARGET_SCHED): Use new macros.
10545 * rtl.h (copy_DEPS_LIST_list): New prototype.
10546 * sched-int.h (struct sched_info): Change signature of new_ready field,
10547 adjust all initializations. New fields: add_remove_insn,
10548 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10549 region_head_or_leaf_p.
10550 (struct spec_info_def): New structure declaration.
10551 (spec_info_t): New typedef.
10552 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10553 recovery_block, orig_pat.
10554 (glat_start, glat_end): New variables declaraions.
10555 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10557 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10558 DETACH_LIFE_INFO, USE_GLAT.
10559 (enum SPEC_SCHED_FLAGS): New enumeration.
10560 (NOTE_NOTE_BB_P): New macro.
10561 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10562 attach_life_info, debug_spec_status, check_reg_live): New functions.
10563 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10564 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10566 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10567 * ddg.c (get_block_head_tail): Adjust all uses.
10568 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10569 (sms_sched_info): Initialize new fields.
10570 (contributes_to_priority): Removed.
10571 * haifa-sched.c (params.h): New include.
10572 (get_block_head_tail): Adjust all uses.
10573 (ISSUE_POINTS): New macro.
10574 (glat_start, glat_end): New global variables.
10575 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10576 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10577 old_last_basic_block, before_recovery, current_sched_info_var,
10578 rgn_n_insns, luid): New static variables.
10579 (insn_cost1): New function. Move logic from insn_cost to here.
10580 (find_insn_reg_weight1): New function. Move logic from
10581 find_insn_reg_weight to here.
10582 (reemit_notes, move_insn, max_issue): Change signature.
10583 (move_insn1): Removed.
10584 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10585 extend_bb): New static functions to support extension of scheduler's
10587 (generate_recovery_code, process_insn_depend_be_in_spec,
10588 begin_speculative_block, add_to_speculative_block,
10589 init_before_recovery, create_recovery_block, create_check_block_twin,
10590 fix_recovery_deps): New static functions to support
10591 generation of recovery code.
10592 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10593 restore_bb_notes, move_block_after_check, move_succs): New static
10594 functions to support ebb scheduling.
10595 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10596 functions to support handling of register live information.
10597 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10598 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10599 add_jump_dependencies): New static functions.
10600 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10601 consistancy checking.
10602 (debug_spec_status): New function to call from debugger.
10603 (priority): Added code to handle speculation checks.
10604 (rank_for_schedule): Added code to distinguish speculative instructions.
10605 (schedule_insn): Added code to handle speculation checks.
10606 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10607 Fixed to handle ebbs.
10608 (move_insn): Added code to handle ebb scheduling.
10609 (max_issue): Added code to use ISSUE_POINTS of instructions.
10610 (choose_ready): Added code to choose between speculative and
10611 non-speculative instructions.
10612 (schedule_block): Added code to handle ebb scheduling and scheduling of
10613 speculative instructions.
10614 (sched_init): Initialize new variables.
10615 (sched_finish): Free new variables. Print statistics.
10616 (try_ready): Added code to handle speculative instructions.
10617 * lists.c (copy_DEPS_LIST_list): New function.
10618 * sched-deps.c (extend_dependency_caches): New function. Move logic
10619 from create_dependency_caches to here.
10620 (get_dep_weak, ds_merge): Make global.
10621 * genattr.c (main): Code to output prototype for
10622 dfa_clear_single_insn_cache.
10623 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10624 (output_dfa_clean_insn_cache_func): Code to output
10625 dfa_clear_single_insn_cache function.
10626 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10628 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10630 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10631 New static variables.
10632 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10633 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10635 (ebb_sched_info): Initialize new fields.
10636 (get_block_head_tail): Adjust all uses.
10637 (compute_jump_reg_dependencies): Fixed to use glat_start.
10638 (schedule_ebb): Code to remove unreachable last block.
10639 (schedule_ebbs): Added code to update register live information.
10640 * sched-rgn.c (region_sched_info): Initialize new fields.
10641 (get_block_head_tail): Adjust all uses.
10642 (last_was_jump): Removed. Adjust users.
10643 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10644 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10645 Implement new hooks.
10646 (check_dead_notes1): New static function.
10647 (struct region): New fields: dont_calc_deps, has_real_ebb.
10648 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10649 (BB_TO_BLOCK): Fixed to handle EBBs.
10650 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10651 (ebb_head): New static variable.
10652 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10653 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10655 (compute_dom_prob_ps): New assertion.
10656 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10657 global_live_at_start.
10658 (init_ready_list): New assertions.
10659 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10660 (new_ready): Add support for BEGIN_CONTROL speculation.
10661 (schedule_insns): Fixed code that updates register live information
10663 (schedule_region): Fixed to handle EBBs.
10664 (init_regions): Use extend_regions and check_dead_notes1.
10665 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10666 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10667 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10668 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10669 TARGET_SCHED_GEN_CHECK,
10670 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10671 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10672 * doc/invoke.texi (max-sched-insn-conflict-delay,
10673 sched-spec-prob-cutoff): Document.
10675 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10677 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10678 inter_tick, queue_index.
10679 (struct sched_info): Change signature of init_ready_list field.
10680 Adjust all initializations.
10681 (RESOLVED_DEPS): New access macro.
10682 (ready_add): Remove prototype.
10683 (try_ready): Add prototype.
10684 * sched-rgn.c (init_ready_list): Use try_ready.
10685 (schedule_region): Initialize
10686 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10687 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10688 (init_ready_list): Use try_ready.
10689 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10690 * lists.c (remove_list_elem): Remove `static'.
10691 (remove_free_INSN_LIST_elem): New function.
10692 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10693 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10694 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10696 (readyp): New variable.
10697 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10698 change_queue_index, resolve_dep): New static functions.
10699 (try_ready): New function. Adjust callers in sched-rgn.c and
10700 sched-ebb.c to use it instead of ready_add.
10701 (clock_var): Move at the begining of file.
10702 (rank_for_schedule): Fix typo.
10703 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10704 (ready_lastpos): Enforce assertion.
10705 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10706 update all callers.
10707 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10708 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10709 (queue_to_ready): Use free_INSN_LIST_list.
10710 (early_queue_to_ready): Fix typo.
10711 (schedule_block): Init readyp. Move init_ready_list call after the
10712 initialization of clock_var. Fix error in rejecting insn by
10713 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10714 that previously corrected INSN_TICKs. Add code for handling
10716 (set_priorities): Fix typo.
10717 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10718 Clarify comment and code that keeps current_sched_info->next_tail
10721 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10723 * sched-rgn.c (extend_rgns): New static function.
10724 (find_rgns): Use it.
10725 (gather_region_statistics, print_region_statistics): New static
10727 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10728 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10730 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10731 Andrey Belevantsev <abel@ispras.ru>
10733 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10734 * lists.c (unused_deps_list): New variable.
10735 (free_list): Add assertions to verify the proper distinguishing
10736 between INSN_LISTs and DEPS_LISTs.
10737 (find_list_elem, remove_list_elem, remove_list_node): New static
10739 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10740 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10741 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10742 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10744 (free_INSN_LIST_node): Likewise.
10745 * modulo-sched.c (current_sched_info): Initialize flags field.
10746 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10747 * rtl.def (DEPS_LIST): Define.
10748 * rtl.h: Declare new functions from lists.c.
10749 * sched-deps.c (spec_dependency_cache): New static variable.
10750 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10751 (add_dependence): Change return type to void. Move the logic to ...
10752 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10753 (delete_all_dependences): Add comment about forward_dependency_cache.
10754 Handle spec_dependency_cache. Handle DEPS_LISTs.
10755 (fixup_sched_groups): Clarify the change of priority of output
10756 and anti dependencies.
10757 (sched_analyze_2): Adjust add_dependence calls to create data
10758 speculative dependence.
10759 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10760 Adjust all callers. Handle DEPS_LISTS.
10761 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10762 presence of speculation.
10763 (init_dependency_caches, free_dependency_caches):
10764 Handle spec_dependency_cache.
10765 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10766 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10767 New static functions.
10768 (add_or_update_back_dep, add_or_update_back_forw_dep,
10769 add_back_forw_dep, delete_back_forw_dep): New functions.
10770 * sched-int.h (ds_t, dw_t): New typedefs.
10771 (struct sched_info): Add new field flags.
10772 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10773 Prototype new sched-deps.c functions.
10774 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10775 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10776 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10777 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10778 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10779 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10781 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10783 * sched-rgn.c (current_sched_info): Initialize flags field.
10784 (schedule_insns): Initialize current_sched_info before the sched_init
10786 * sched-ebb.c (current_sched_info): Initialize flags field.
10787 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10788 Call add_or_update_back_dep instead of add_dependence.
10789 Create control speculative dependencies.
10790 (schedule_insns): Initialize current_sched_info before the sched_init
10793 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10795 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10797 (sh_fallback_frame_state): Likewise.
10799 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10801 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10802 Do switch on default_use_cxa_atexit.
10803 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10804 * config/darwin-crt3.o: New.
10805 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10806 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10807 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10809 * config/rs6000/t-darwin: Move crt2.o building to here.
10810 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10811 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10814 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10816 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10817 from '! xxx' to '!xxx' for coding-style conformance.
10818 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10819 (EXTRA_CONSTRAINT): Likewise.
10820 * config/vax/vax.md (four unnamed insns): Likewise.
10822 2006-03-15 Paul Brook <paul@codesourcery.com>
10824 * config/arm/arm.c (minipool_pad): New.
10825 (add_minipool_forward_ref): Include pool alignment padding in address
10827 (push_minipool_fix): Set minipool_pad.
10828 (minipool_pad): Ditto.
10830 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10832 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10833 instead of GET_CODE() == MEM and REG_P() instead of
10835 (print_operand_address): Likewise.
10836 (vax_address_cost): Likewise.
10837 (vax_rtx_costs): Likewise.
10838 (vax_notice_update_cc): Likewise.
10839 (vax_output_int_add): Likewise.
10840 (INDEX_REGISTER_P): Likewise.
10841 (BASE_REGISTER_P): Likewise.
10842 (nonindexed_address_p): Likewise.
10843 (vax_mode_dependent_address_p): Likewise.
10844 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10845 (PRINT_OPERAND): Likewise.
10846 * config/vax/vax.md (ashlsi3): Likewise.
10847 (ashlsi3): Likewise.
10848 (some more unnamed insns): Likewise.
10850 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10852 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10853 iterator-style macro.
10854 (mark_control_dependent_edges_necessary): Update the use of
10855 EXECUTE_IF_CONTROL_DEPENDENT.
10857 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10859 * config/sh/predicates.md (cache_address_operand): Special.
10860 (ua_address_operand): Likewise.
10862 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10864 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10866 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10868 2006-03-15 Andreas Schwab <schwab@suse.de>
10870 * gensupport.c (identify_predicable_attribute): Don't free p_false
10871 when it is still in use.
10873 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10875 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10876 the default setting here.
10878 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10880 * tree-pass.h (pass_cfg): Remove.
10881 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10882 * passes.c (pass_cfg): Don't run it.
10884 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10886 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10887 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10889 (stack_regs_mentioned): Update the uses of
10890 stack_regs_mentioned_data. Don't access the array beyond its
10892 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10893 Don't include gt-reg-stack.h.
10895 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10896 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10898 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10900 PR middle-end/26684
10901 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10904 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10906 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10908 2006-03-14 Richard Guenther <rguenther@suse.de>
10910 PR tree-optimization/26672
10911 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10914 2006-03-14 Richard Guenther <rguenther@suse.de>
10916 PR tree-optimization/26667
10917 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10918 node for the callees. Always allow inlining if it will shrink
10921 2006-03-14 Richard Guenther <rguenther@suse.de>
10923 PR middle-end/26659
10924 * builtins.c (get_pointer_alignment): Prefer alignment
10925 information from decls over that from types.
10927 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10930 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10932 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10934 * config/rs6000/rs6000.opt (mdlmzb): New option.
10935 (msched-prolog, msched-epilog): Use Var not Mask.
10936 * doc/invoke.texi (-mdlmzb): Document.
10937 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10939 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10940 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10942 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10944 PR rtl-optimization/25739
10945 * bt-load.c (augment_live_range): Free tos pointer.
10947 * gensupport.c (identify_predicable_attribute): Free
10949 * gcov.c (create_file_names): Free name pointer.
10951 2006-03-13 Roger Sayle <roger@eyesopen.com>
10953 PR middle-end/26557
10954 * stmt.c (emit_case_nodes): Handle the case where the index is a
10955 CONST_INT, where the comparison mode is specified by the index type.
10957 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10959 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10962 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10964 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10965 (*branch_fp_inverted): Likewise.
10967 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10969 PR middle-end/25989
10970 * omp-low.c (expand_omp_for_generic): Mark istart0
10971 and iend0 as addressable.
10973 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10975 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10977 2006-03-13 Jeff Law <law@redhat.com>
10979 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10980 virtual operands are interesting.
10981 (vrp_visit_stmt): Corresponding changes.
10983 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10985 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10987 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10988 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10989 * config/bfin/crti.S: Use it instead of __PIC__.
10990 * config/bfin/crtn.S: Likewise.
10992 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10993 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10995 Lose 'G' modifier for call operand.
10996 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10997 recognize 'G' modifier.
10999 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11001 PR middle-end/18859
11002 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11003 * stmt.c (expand_case): Likewise.
11005 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11007 PR rtl-optimization/26254
11008 * loop-invariant.c (seq_insns_valid_p): New function.
11009 (move_invariant_reg): Only emit new code if it is valid.
11011 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11013 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11015 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11016 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11017 (commit_one_edge_insertion): Do not look for loop notes.
11019 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11021 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11022 flag_test_coverage out of loop.
11024 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11026 * final.c (shorten_branches): Remove outdated comment, and turn
11027 the if branch that guards it to continue.
11029 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11031 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11032 * cfgloop.h (struct loop): Remove unused fields.
11034 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11036 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11037 (-dL, -fdump-rtl-loop2): Update the dump file names
11039 * doc/invoke.texi: Update dump file names.
11041 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11043 * predict.c (estimate_probability): Remove.
11044 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11045 * basic-block.h (estimate_probability): Remove prototype.
11046 * passes.c (finish_optimization_passes): Dump branch prediction or
11047 profiling heuristics to the .profile tree dump.
11048 (init_optimization_passes): Unqueue pass_branch_prob.
11050 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11052 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11054 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11055 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11057 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11059 * function.h (frame_offset_overflow): Declare.
11060 * function.c (frame_offset_overflow): New function.
11061 (assign_stack_local_1): Call it to detect that the offset overflows.
11062 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11064 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11066 * config/sh/sh.c: Include alloc-pool.h.
11067 (label_ref_list_pool): New alloc pool.
11068 (label_ref_list_t): New type for lists of labels.
11069 (struct pool_node): Make wend a label_ref_list_t.
11070 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11072 (dump_table): Likewise.
11073 (sh_reorg): Set up the alloc pool before using add_constant and
11074 dump_table, and destroy it when finishing.
11076 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11078 * config/mips/mips.c: Remove redundant comment.
11080 2006-03-10 Jason Merrill <jason@redhat.com>
11083 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11084 the target was declared 'register'.
11086 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11088 * genpreds.c (write_insn_constraint_len): Change definition of
11089 insn_constraint_len to return size_t to match the declaration.
11091 2006-03-10 DJ Delorie <dj@redhat.com>
11093 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11095 (m32c_expand_insv): Fix test for an AND mask.
11097 2006-03-10 Richard Guenther <rguenther@suse.de>
11099 PR middle-end/26565
11100 * builtins.c (get_pointer_alignment): Handle component
11101 references for field alignment.
11103 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11105 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11106 when building with libgloss.
11107 (sh*elf): Implement --without-fp option.
11108 (sh64-superh-linux*): Don't multilib.
11110 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11112 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11114 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11116 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11117 Set it when one of the replacement functions returned true.
11118 Return TODO_cleanup_cfg if cfgchanged is true.
11119 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11121 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11123 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11124 instead of gen_lowpart.
11126 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11128 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11130 (mips_output_order_conditional_branch): Declare.
11131 * config/mips/mips.h (MIPS_BRANCH): New macro.
11132 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11133 for the comparison. Use gen_condjump.
11134 (mips_output_conditional_branch): Rework interface to take the
11135 asm templates for a direct branch and the inverse of a direct branch.
11136 (mips_output_order_conditional_branch): New function.
11137 (mips_builtin_branch_and_move): New function.
11138 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11139 branch condition. Use gen_single_cc as the condition for
11140 __builtin_mips_upper_* or __builtin_mips_lower_*.
11141 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11142 Use VOIDmode for the branch condition.
11143 * config/mips/predicates.md (order_operator): New predicate.
11144 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11145 (branch_fp): Rename to...
11146 (*branch_fp): ...this. Remove mode from comparison operator.
11147 Use new mips_output_conditional_branch interface.
11148 (branch_fp_inverted): Rename to...
11149 (*branch_fp_inverted): ...this and update as for *branch_fp.
11150 (*branch_zero<mode>): Rename to...
11151 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11152 Use mips_output_order_conditional_branch. Only accept ordered
11154 (*branch_zero<mode>_inverted): Rename to...
11155 (*branch_order<mode>_inverted): ...this and update as for
11156 *branch_order<mode>.
11157 (*branch_equality<mode>): Accept zero as the second operand to
11158 the equality operator. Use the new mips_output_conditional_branch
11160 (*branch_equality<mode>_inverted): Likewise.
11161 (condjump): New expander.
11162 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11164 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11165 (bc1any2t, bc1any2f): Likewise.
11166 (single_cc): New expander.
11167 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11169 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11171 * doc/md.texi: Update documentation of MIPS constraints.
11172 * config/mips/constraints.md: New file.
11173 * config/mips/mips.md: Include it.
11174 * config/mips/mips.c (mips_char_to_class): Delete.
11175 (override_options): Don't initialize mips_char_to_class.
11176 * config/mips/mips.h (mips_char_to_class): Delete.
11177 (REG_CLASS_FROM_LETTER): Delete.
11178 (CONST_OK_FOR_LETTER_P): Delete.
11179 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11180 (EXTRA_CONSTRAINT_Y): Delete.
11181 (EXTRA_CONSTRAINT_STR): Delete.
11182 (CONSTRAINT_LEN): Delete.
11183 (EXTRA_MEMORY_CONSTRAINT): Delete.
11185 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11187 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11188 original fn's eh regions.
11190 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11192 * fold-const.c (build_range_check): Make sure to use a valid type to
11193 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11196 (range_predecessor): New static function.
11197 (range_successor): Likewise.
11198 (merge_ranges): Use them to compute predecessors and successors of
11201 2006-03-09 Roger Sayle <roger@eyesopen.com>
11203 PR middle-end/26561
11204 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11205 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11207 2006-03-08 DJ Delorie <dj@redhat.com>
11209 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11210 (addpsi3): Expand to include memory operands. Remove
11211 reload-specific splits.
11212 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11213 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11214 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11215 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11216 (shift1_qi, shift1_hi, insv): New.
11217 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11218 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11219 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11221 * config/m32c/m32c-protos.h: Update as needed.
11222 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11223 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11224 Fail for unrecognized R* constraints.
11225 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11226 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11227 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11229 (m32c_init_libfuncs): New.
11230 (m32c_legitimate_address_p): Add debug wrapper.
11231 (m32c_rtx_costs): New.
11232 (m32c_address_cost): New.
11233 (conversions): Add 'B' prefix.
11234 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11235 operands, or word regnames for QI operands. 'B' prints bit
11237 (m32c_expand_setmemhi): New.
11238 (m32c_expand_movmemhi): New.
11239 (m32c_expand_movstr): New.
11240 (m32c_expand_cmpstr): New.
11241 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11242 (m32c_expand_neg_mulpsi3): Handle non-ints.
11243 (m32c_cmp_flg_0): New.
11244 (m32c_expand_movcc): New.
11245 (m32c_expand_insv): New.
11246 (m32c_scc_pattern): New.
11247 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11248 a0/a1 out of SIregs.
11249 (STORE_FLAG_VALUE): New.
11250 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11253 * config/m32c/mov.md: Make constraints more liberal.
11254 (zero_extendqihi2): Optimize r0/r1 case.
11255 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11256 * config/m32c/predicates.md (m32c_any_operand): New.
11257 (m32c_nonimmediate_operand): New.
11258 (m32c_hl_operand): New.
11259 (m32c_r3_operand): New.
11262 (memsym_operand): New.
11263 (memimmed_operand): New.
11264 (a_qi_operand): New.
11265 (m32c_eqne_operator): New.
11266 (m32c_1bit8_operand): New.
11267 (m32c_1bit16_operand): New.
11268 (m32c_1mask8_operand): New.
11269 (m32c_1mask16_operand): New.
11270 * config/m32c/blkmov.md: New file.
11271 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11273 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11275 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11276 unsigned to fix signed/unsigned comparison issue in
11277 DWARF2_FRAME_REG_OUT.
11278 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11279 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11281 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11282 of ptr into the ENABLE_CHECKING section.
11284 2006-03-08 Jeff Law <law@redhat.com>
11286 * tree-vrp.c (infer_value_range): Only count pointer uses
11287 and dereferences if -fdelete-null-pointer-checks is enabled.
11289 * tree-vrp.c (find_assert_locations): Infer value ranges for
11290 single use pointers, but do not create ASSERT_EXPRs for them.
11291 When a non-null range is inferred for a pointer, backwards
11292 propagate that range to other equivalent pointers through the
11295 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11298 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11299 language hook targets.
11300 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11301 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11302 if language hook targets were missing.
11304 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11306 * tree-ssa-opfinalize.h: Removed.
11307 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11309 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11310 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11311 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11312 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11313 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11314 finalize_ssa_v_must_def_ops): New.
11316 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11318 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11319 block as parameter.
11321 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11323 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11325 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11326 addresses with offsets; reorganize.
11328 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11329 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11330 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11332 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11335 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11337 2006-03-08 Ben Elliston <bje@au.ibm.com>
11339 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11341 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11344 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11347 2006-03-07 Richard Guenther <rguenther@suse.de>
11349 PR tree-optimization/26587
11350 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11352 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11354 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11356 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11358 * hooks.c (hook_bool_mode_rtx_true): New function.
11359 * hooks.h (hook_bool_mode_rtx_true): Declare.
11360 * toplev.c (compile_file): Call output_shared_constant_pool.
11361 * varasm.c (shared_constant_pool): New variable.
11362 (assemble_start_function, assemble_end_function): Remove arguments
11363 from call to output_constant_pool.
11364 (create_constant_pool): New function, split out from...
11365 (init_varasm_status): ...here.
11366 (force_const_mem): Choose between the shared and per-function constant
11367 pools. Set current_function_uses_const_pool when reusing old entries
11368 as well as when creating new ones.
11369 (mark_constant): Ignore data argument.
11370 (mark_constants): Remove pool argument.
11371 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11372 to decide whether the function uses a constant pool.
11373 (output_constant_pool_contents): New function, split out from...
11374 (output_constant_pool): ...here.
11375 (output_shared_constant_pool): New function.
11376 (init_varasm_once): Initialize shared_constant_pool.
11377 * output.h (output_constant_pool): Delete.
11378 (output_shared_constant_pool): Declare.
11379 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11380 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11382 2006-03-06 Nick Clifton <nickc@redhat.com>
11384 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11385 flag_strength_reduce.
11387 2006-03-06 Ben Elliston <bje@au.ibm.com>
11389 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11390 x86_64-*-linux* configurations.
11392 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11393 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11395 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11397 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11399 * basic-block.h: Remove the extern for
11400 rediscover_loops_after_threading.
11402 * cfgloop.c (cancel_loop): Make it static.
11403 * cfgloop.h: Remove the prototype for cancel_loop.
11405 * flow.c (recompute_reg_usage): Make it static.
11406 * rtl.h: Remove the prototype for recompute_reg_usage.
11408 * function.c (use_return_register): Make it static.
11409 * function.h: Remove the prototype.
11411 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11413 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11415 * recog.h: Remove the prototype for
11416 validate_change_maybe_volatile.
11418 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11420 * rtlanal.c (replace_reg): Remove.
11421 * rtl.h: Remove the prototype for replace_reg.
11423 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11425 * regclass.c (reg_scan_update): Remove.
11426 (reg_scan_mark_refs): Remove the last argument.
11427 * rtl.h: Remove the prototype for reg_scan_update.
11429 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11431 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11432 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11433 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11434 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11435 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11436 loop-invariant.c, omp-low.c, opts.c, passes.c,
11437 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11438 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11439 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11440 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11441 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11442 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11444 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11446 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11447 * dwarf2out.h: Remove the prototype for
11448 dwarf2out_add_library_unit_info.
11450 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11452 * tree.c (add_var_to_bind_expr): Remove.
11453 * tree.h: Remove the prototype for add_var_to_bind_expr.
11455 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11457 * regclass.c (n_non_fixed_regs): Remove.
11458 (init_reg_sets_1, globalize_reg): Remove all uses of
11460 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11462 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11464 * rtlanal.c (insns_safe_to_move_p): Remove.
11465 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11467 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11469 * expmed.c (expand_mult_add): Remove.
11470 * expr.h: Remove the prototype for expand_mult_add.
11472 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11474 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11475 and REG_SAVED_VAL_EXP constants.
11476 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11477 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11478 Handle regs stored by value.
11479 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11480 (execute_cfa_program): Handle DW_CFA_val_offset,
11481 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11482 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11483 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11484 (uw_install_context_1): Handle target regs stored by value.
11486 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11488 * tree-sra.c (tree_sra): Return todoflags;
11489 (generate_one_element): Set TODO_update_smt_usage if needed.
11490 (pass_sra): Remove TODO_update_smt_usage.
11491 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11493 (tree_ssa_forward_propagate_single_use_vars): Return
11494 TODO_update_smt_usage if we need to update SMT usage.
11495 (pass_forwprop): Remove TODO_update_smt_usage.
11497 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11499 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11500 (correct_use_link): Remove reference to get_stmt_operands.
11501 (update_stmt_operands): Likewise.
11502 (get_modify_expr_operands): New function factored out of
11503 parse_ssa_operands and get_expr_operands.
11504 Try to create V_MUST_DEFs for LHS by default.
11505 (get_expr_operands) <case MODIFY_EXPR>: Call
11506 get_modify_expr_operands.
11507 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11508 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11509 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11510 get_modify_expr_operands.
11512 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11514 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11515 * tree-flow.h: Remove the prototype for
11516 referenced_var_lookup_if_exists.
11518 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11520 PR rtl-optimization/26345
11522 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11524 2006-03-03 Roger Sayle <roger@eyesopen.com>
11526 PR tree-optimization/26524
11527 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11528 fold_convert to create a constant of the appropriate type.
11530 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11532 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11533 SYMBOL_REF_IN_BLOCK_P.
11534 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11535 of SYMBOL_FLAG_IN_BLOCK.
11536 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11537 instead of SYMBOL_REF_IN_BLOCK_P.
11538 * explow.c (use_anchored_address): Likewise.
11539 * rtl.c (rtx_size): Likewise.
11540 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11541 instead of SYMBOL_FLAG_IN_BLOCK.
11542 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11543 SYMBOL_REF_IN_BLOCK_P.
11544 (assemble_variable): Likewise.
11545 (output_constant_def_contents): Likewise.
11546 (output_constant_pool): Likewise.
11547 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11548 instead of SYMBOL_FLAG_IN_BLOCK.
11549 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11550 SYMBOL_REF_IN_BLOCK_P.
11551 (SYMBOL_REF_BLOCK): Likewise.
11552 (SYMBOL_REF_OFFSET): Likewise.
11553 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11554 SYMBOL_REF_IN_BLOCK_P.
11555 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11556 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11557 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11558 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11560 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11562 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11564 2006-03-02 Roger Sayle <roger@eyesopen.com>
11566 * simplify-rtx.c (simplify_unary_operation): When simplifying
11567 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11568 that we perform the right shift in the appropriate mode, and
11569 then extend or truncate the result to requested mode.
11571 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11573 * gengtype.c (main): Handle double_int type.
11574 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11575 * double-int.c: New file.
11576 * double-int.h: New file.
11577 * system.h: Include doubleint.h.
11578 * Makefile.in (SYSTEM_H): Include double-int.h.
11579 (double-int.o): Add.
11581 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11584 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11587 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11589 * tree-vrp.c (remove_range_assertions): Do not update statements
11592 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11594 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11596 * gcse.c (rest_of_handle_gcse): Ditto.
11597 * except.c (gate_handle_eh): Ditto.
11598 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11599 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11601 2006-03-02 Eric Christopher <echristo@apple.com>
11603 * config/i386/i386.c (machopic_output_stub): Add indirection to
11606 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11610 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11612 Sun Niagara specific optimizations.
11613 * config.gcc: Recognize niagara as target.
11614 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11615 (TARGET_CPU_niagara): Define.
11616 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11617 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11618 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11619 (ASM_CPU_SPEC): Likewise.
11620 (PROCESSOR_NIAGARA): New enum entry.
11621 (REGISTER_MOVE_COST): Handle Niagara.
11622 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11623 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11624 (sparc_override_options): Recognize "niagara", set appropriate
11625 default MASK_* values for it, and align functions to 32-bytes
11626 by default just like ULTRASPARC/ULTRASPARC3.
11627 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11628 (sparc64_initialize_trampoline): Likewise.
11629 (sparc_use_sched_lookahead): Use zero for niagara.
11630 (sparc_issue_rate): Use one for niagara.
11631 * config/sparc/niagara.md: New file.
11632 * config/sparc/sparc.md: Include it.
11633 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11634 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11635 when default cpu is niagara.
11636 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11637 (ASM_CPU_SPEC): Likewise.
11638 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11639 when default cpu is niagara.
11640 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11641 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11642 just like v9/ultrasparc/ultrasparc3.
11643 * doc/invoke.texi: Add documentation for "niagara" and improve
11644 existing documentation for ultrasparc variants.
11646 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11648 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11650 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11652 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11653 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11654 and say that only one is needed.
11655 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11656 * target.h (have_switchable_bss_sections): New hook.
11657 * explow.c (use_anchored_address): Check that the symbol is in a block.
11658 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11659 (bss_noswitch_section): New variables.
11660 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11661 (get_noswitch_section): New function.
11662 (get_block_for_section): Allow SECT to be null.
11663 (unlikely_text_section_p): Use SECTION_STYLE.
11664 (bss_initializer_p): New function.
11665 (get_variable_section): Move earlier in file. Take a new argument,
11666 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11667 Return one of the new *_sections in such cases.
11668 (get_block_for_decl): New function, extracting some logic from
11669 use_blocks_for_decl_p.
11670 (change_symbol_section): Remove in favor of...
11671 (change_symbol_block): ...this new function.
11672 (use_blocks_for_decl_p): Remove checks now performed by
11673 get_block_for_decl.
11674 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11675 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11676 (emit_local, emit_bss, emit_common): ...these new functions.
11677 Return true if the alignment was honored.
11678 (emit_tls_common): New function.
11679 (asm_emit_uninitialised): Delete.
11680 (assemble_variable_noswitch): New function, split out from...
11681 (assemble_variable): ...here. Don't make decisions about common
11682 variables here. Globalize all public decls that go into non-common
11683 sections. Check whether SYMBOL_REF_BLOCK is null.
11684 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11685 (output_constant_pool): Likewise.
11686 (init_varasm_once): Initialize the new section variables.
11687 (have_global_bss_p): New function.
11688 (categorize_decl_for_section): Use bss_initializer_p.
11689 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11690 (place_block_symbol): Assert that the symbol must be in a block.
11691 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11692 (TARGET_INITIALIZER): Include it.
11693 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11694 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11695 (SECTION_MACH_DEP): Bump by two.
11696 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11697 (unnamed_section): Mention SECTION_UNNAMED in comment.
11698 (named_section): Likewise SECTION_NAMED.
11699 (noswitch_section_callback): New type.
11700 (noswitch_section): New structure.
11701 (section): Add a noswitch_section alternative.
11702 (SECTION_STYLE): New macro.
11703 (tls_comm_section, comm_section, lcomm_section): Declare.
11704 (bss_noswitch_section, have_global_bss_p): Declare.
11705 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11706 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11708 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11709 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11712 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11714 * tree-vrp.c (execute_vrp): Return value.
11715 * regrename.c (rest_of_handle_regrename): Ditto.
11716 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11717 * tree-complex.c (tree_lower_complex): Ditto.
11718 (tree_lower_complex_O0): Ditto.
11719 * tracer.c (rest_of_handle_tracer): Ditto.
11720 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11721 * postreload.c (rest_of_handle_postreload): Ditto.
11722 * tree-tailcall.c (execute_tail_recursion): Ditto.
11723 (execute_tail_calls): Ditto.
11724 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11725 * tree.h (init_function_for_compilation): Ditto.
11726 * ipa-cp.c (ipcp_driver): Ditto.
11727 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11728 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11729 * final.c (compute_alignments): Ditto.
11730 (rest_of_handle_final): Ditto.
11731 (rest_of_handle_shorten_branches): Ditto.
11732 (rest_of_clean_state): Ditto.
11733 * omp-low.c (execute_expand_omp): Ditto.
11734 (execute_lower_omp): Ditto.
11735 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11736 * ipa-reference.c (static_execute): Ditto.
11737 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11738 * reorg.c (rest_of_handle_delay_slots): Ditto.
11739 (rest_of_handle_machine_reorg): Ditto.
11740 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11741 * flow.c (recompute_reg_usage): Ditto.
11742 (rest_of_handle_remove_death_notes): Ditto.
11743 (rest_of_handle_life): Ditto.
11744 (rest_of_handle_flow2): Ditto.
11745 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11746 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11747 (do_ssa_store_ccp): Ditto.
11748 (execute_fold_all_builtins): Ditto.
11749 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11750 * modulo-sched.c (rest_of_handle_sms): Ditto.
11751 * ipa-pure-const.c (static_execute): Ditto.
11752 * cse.c (rest_of_handle_cse): Ditto.
11753 (rest_of_handle_cse2): Ditto.
11754 * web.c (rest_of_handle_web): Ditto.
11755 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11756 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11757 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11758 * tree-nrv.c (tree_nrv): Ditto.
11759 (execute_return_slot_opt): Ditto.
11760 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11761 (create_structure_vars): Ditto.
11762 * loop-init.c (rtl_loop_init): Ditto.
11763 (rtl_loop_done): Ditto.
11764 (rtl_move_loop_invariants): Ditto.
11765 (rtl_unswitch): Ditto.
11766 (rtl_unroll_and_peel_loops): Ditto.
11767 (rtl_doloop): Ditto.
11768 * gimple-low.c (lower_function_body): Ditto.
11769 (mark_used_blocks): Ditto.
11770 * tree-ssa-sink.c (execute_sink_code): Ditto.
11771 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11772 (cgraph_early_inlining): Ditto.
11773 * global.c (rest_of_handle_global_alloc): Ditto.
11774 * jump.c (cleanup_barriers): Ditto.
11775 (purge_line_number_notes): Ditto.
11776 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11777 (rest_of_handle_if_after_reload): Ditto.
11778 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11779 (tree_ssa_loop_im): Ditto.
11780 (tree_ssa_loop_unswitch): Ditto.
11781 (tree_vectorize): Ditto.
11782 (tree_linear_transform): Ditto.
11783 (tree_ssa_loop_ivcanon): Ditto.
11784 (tree_ssa_empty_loop): Ditto.
11785 (tree_ssa_loop_bounds): Ditto.
11786 (tree_complete_unroll): Ditto.
11787 (tree_ssa_loop_prefetch): Ditto.
11788 (tree_ssa_loop_ivopts): Ditto.
11789 (tree_ssa_loop_done): Ditto.
11790 * predict.c (tree_estimate_probability): Ditto.
11791 * recog.c (split_all_insns_noflow): Ditto.
11792 (rest_of_handle_peephole2): Ditto.
11793 (rest_of_handle_split_all_insns): Ditto.
11794 * tree-eh.c (lower_eh_constructs): Ditto.
11795 * regmove.c (rest_of_handle_regmove): Ditto.
11796 (rest_of_handle_stack_adjustments): Ditto.
11797 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11798 * function.c (instantiate_virtual_regs): Ditto.
11799 (init_function_for_compilation): Ditto.
11800 (rest_of_handle_check_leaf_regs): Ditto.
11801 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11802 (rest_of_handle_gcse): Ditto.
11803 * ipa-type-escape.c (type_escape_execute): Ditto.
11804 * alias.c (rest_of_handle_cfg): Ditto.
11805 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11806 * profile.c (rest_of_handle_branch_prob): Ditto.
11807 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11808 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11809 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11810 * tree-dfa.c (find_referenced_vars): Ditto.
11811 * except.c (set_nothrow_function_flags): Ditto.
11812 (convert_to_eh_region_ranges): Ditto.
11813 (rest_of_handle_eh): Ditto.
11814 * emit-rtl.c (unshare_all_rtl): Ditto.
11815 (remove_unnecessary_notes): Ditto.
11816 * except.h (set_nothrow_function_flags): Ditto.
11817 (convert_to_eh_region_ranges): Ditto.
11818 * cfgexpand.c (tree_expand_cfg): Ditto.
11819 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11820 * tree-ssa-pre.c (do_pre): Ditto.
11821 (execute_fre): Ditto.
11822 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11823 (rest_of_handle_jump2): Ditto.
11824 * tree-sra.c (tree_sra): Ditto.
11825 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11826 (execute_mudflap_function_decls): Ditto.
11827 * tree-ssa-copy.c (do_copy_prop): Ditto.
11828 (do_store_copy_prop): Ditto.
11829 * ipa-prop.h (ipcp_driver): Ditto.
11830 * cfglayout.c (insn_locators_initialize): Ditto.
11831 * tree-ssa-forwprop.c
11832 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11833 * cfglayout.h (insn_locators_initialize): Ditto.
11834 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11835 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11836 (execute_late_warn_uninitialized): Ditto.
11837 * rtl.h (cleanup_barriers): Ditto.
11838 (split_all_insns_noflow): Ditto.
11839 (purge_line_number_notes): Ditto.
11840 (unshare_all_rtl): Ditto.
11841 (remove_unnecessary_notes): Ditto.
11842 (recompute_reg_usage): Ditto.
11843 (variable_tracking_main): Ditto.
11844 * integrate.c (emit_initial_value_sets): Ditto.
11845 * integrate.h (emit_initial_value_sets): Ditto.
11846 * tree-optimize.c (execute_free_datastructures): Ditto
11847 (execute_free_cfg_annotations): Ditto.
11848 (execute_fixup_cfg): Ditto.
11849 (execute_cleanup_cfg_pre_ipa): Ditto.
11850 (execute_cleanup_cfg_post_optimizing): Ditto.
11851 (execute_init_datastructures): Ditto.
11852 * tree-object-size.c (compute_object_sizes): Ditto.
11853 * combine.c (rest_of_handle_combine): Ditto.
11854 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11855 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11856 (rest_of_handle_reorder_blocks): Ditto.
11857 (rest_of_handle_partition_blocks): Ditto.
11858 * var-tracking.c (variable_tracking_main): Ditto.
11859 * tree-profile.c (tree_profiling): Ditto.
11860 * tree-vect-generic.c (expand_vector_operations): Ditto.
11861 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11862 * sched-rgn.c (rest_of_handle_sched): Ditto.
11863 (rest_of_handle_sched2): Ditto.
11864 * basic-block.h (free_bb_insn): Ditto.
11865 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11866 * tree-cfg.c (execute_build_cfg): Ditto.
11867 (remove_useless_stmts): Ditto.
11868 (split_critical_edges): Ditto.
11869 (execute_warn_function_return): Ditto.
11870 (execute_warn_function_noreturn): Ditto.
11871 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11872 * cfgrtl.c (free_bb_for_insn): Ditto.
11873 * passes.c (execute_one_pass): Run additional
11874 todos returned by execute function.
11875 * tree-pass.h (struct tree_opt_pass): Make execute
11878 2006-03-02 Richard Guenther <rguenther@suse.de>
11880 * tree-ssa-alias.c (find_used_portions): Consider taking
11881 the address as making the variable not write-only.
11883 2006-03-02 Nick Clifton <nickc@redhat.com>
11885 * config.gcc (default_use_cxa_atexit): Extend the description of
11886 this configure variable. Set its default value to "yes" for
11887 Linux, NetBSD and ELF targets on the assumption that they will
11888 use C libraries with the __cxa_atexit function.
11890 2006-03-02 Ben Elliston <bje@au.ibm.com>
11892 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11893 parameter as unused to suppress a build warning.
11895 2006-03-02 Ben Elliston <bje@au.ibm.com>
11897 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11900 2006-03-01 Roger Sayle <roger@eyesopen.com>
11903 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11904 declared name, the weak reference name, and the typeof name.
11905 (__gthrw): Avoid expanding the declared name suffix.
11906 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11908 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11910 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11912 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11913 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11914 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11915 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11916 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11917 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11918 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11919 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11920 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11921 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11922 (DW_END_default, DW_END_big, DW_END_little): New.
11923 (DW_END_lo_user, DW_END_hi_user): Define.
11924 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11925 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11926 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11929 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11931 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11933 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11935 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11937 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11939 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11940 to 'symbol_mem_tag'.
11942 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11945 2006-03-01 Roger Sayle <roger@eyesopen.com>
11947 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11949 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11952 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11953 MACHO_DYNAMIC_NO_PIC_P.
11954 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11956 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11959 * config/darwin-protos.h (darwin_asm_output_anchor):
11961 * config/darwin-sections.def (cstring_section):
11962 Add SECTION_MERGE to the flags.
11963 (literal4_section): Likewise.
11964 (literal8_section): Likewise.
11965 (objc_selector_refs_section): Likewise.
11966 (objc_cls_refs_section): Likewise.
11967 * config/darwin.c (darwin_asm_output_anchor): New
11969 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11971 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11973 Fix PR tree-optimization/26443
11974 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11975 to todo and PROP_tmt_usage to properties_destroyed.
11976 * tree-ssa-ccp.c (pass_ccp): Ditto.
11977 (pass_store_ccp): Ditto.
11978 * tree-ssa-dom.c (pass_dominator): Ditto.
11980 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11982 * tree-ssa-operands.c: Cleanup whitespace.
11983 (get_asm_expr_operands): Move before first invocation.
11984 (get_indirect_ref_operands): Likewise.
11985 (get_tmr_operands): Likewise.
11986 (get_call_expr_operands): Likewise.
11987 (append_def): Likewise.
11988 (append_use): Likewise.
11989 (append_v_may_def): Likewise.
11990 (append_v_must_def): Likewise.
11991 (add_call_clobber_ops): Likewise.
11992 (add_call_read_ops): Likewise.
11993 (add_stmt_operand): Likewise.
11994 (add_virtual_operand): Likewise.
11995 (build_ssa_operands): Likewise.
11997 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11999 PR middle-end/26022
12001 PR middle-end/24437
12002 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12003 with a call expr to ...
12004 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12006 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12008 * tree-vrp.c (extract_range_from_assert): Remove special
12009 handling for types with super-types.
12011 2006-03-01 Ben Elliston <bje@au.ibm.com>
12013 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12014 and powerpc64-*-linux* configurations.
12015 * config/t-dfprules: New file.
12017 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12018 Compile dfp-bit.c from the source directory using -DWIDTH and
12019 $DFP_CFLAGS to control the compilation of that file, rather than
12020 generating width-specific versions in the build directory.
12021 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12022 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12024 2006-02-28 Zack Weinberg <zackw@panix.com>
12026 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12029 2006-02-28 Eric Christopher <echristo@apple.com>
12031 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12032 Set up IN_LIBGCC definition of TARGET_64BIT.
12033 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12035 2006-02-28 Roger Sayle <roger@eyesopen.com>
12037 PR middle-end/14752
12038 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12039 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12040 cases via the construction of "expr != 0".
12042 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12044 * alias.c (alias_invariant, alias_invariant_size): Remove.
12045 (record_base_value): Remove.
12046 (memrefs_conflict_p): Don't look at alias_invariant.
12047 (end_alias_analysis): Don't free it.
12048 * alias.h (record_base_value): Remove prototype.
12050 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12051 Adam Nemet <anemet@caviumnetworks.com>
12053 * rtl.h (truncated_to_mode): Declare it.
12054 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12055 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12056 (RTL_HOOKS_INITIALIZER): Include it.
12057 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12058 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12059 reg_truncated_to_mode.
12060 * rtlanal.c (truncated_to_mode): Define it.
12061 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12063 2006-02-28 Jeff Law <law@redhat.com>
12065 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12066 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12067 the range allowed by TYPE_PRECISION.
12069 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12071 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12073 PR tree-optimization/26419
12074 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12077 2006-02-27 Zack Weinberg <zackw@panix.com>
12079 * doc/md.texi: Fix typo in previous change.
12081 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12085 2006-02-27 Zack Weinberg <zackw@panix.com>
12087 * rtl.def (define_constraint, define_register_constraint)
12088 (define_memory_constraint, define_address_constraint): New MD forms.
12089 * gensupport.c (process_rtx): Put define_constraint etc on the
12091 * genpreds.c (process_define_predicate): Adjust comment. Validate
12092 the name, and call validate_exp to validate the expression.
12093 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12094 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12095 all callers changed.
12096 (validate_exp, needs_variable, struct constraint_data)
12097 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12098 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12099 (const_dbl_constraints, constraint_max_namelen)
12100 (have_register_constraints, have_memory_constraints)
12101 (have_address_constraints, have_address_constraints)
12102 (have_extra_constraints, have_const_int_constraints)
12103 (have_const_dbl_constraints, mangle, add_constraint)
12104 (process_define_constraint, process_define_register_constraint)
12105 (write_enum_constraint_num, write_lookup_constraint)
12106 (write_insn_constraint_len, write_regclass_for_constraint)
12107 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12108 (write_insn_extra_memory_constraint)
12109 (write_insn_extra_address_constraint)
12110 (write_satisfies_constraint_fns): New.
12111 (write_tm_preds_h): If we have new-style constraint definitions,
12112 prototype the functions generated from them, and define the
12113 old constraint interface (still used by generic code) in terms of
12115 (write_insn_preds_c): If we have new-style constraint definitions,
12116 generate all relevant functions from those definitions.
12117 (main): Handle define_constraint etc.
12118 * genoutput.c (struct constraint_data, indep_constraints)
12119 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12120 (mdep_constraint_len): New data structures and functions, defined
12121 #ifdef USE_MD_CONSTRAINTS.
12122 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12123 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12124 use new logic to validate operand constraints against constraint
12126 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12128 * defaults.h: If none of the old-style constraint macros are
12129 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12130 old-style macros; and poison REG_CLASS_FROM_LETTER,
12131 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12133 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12134 * doc/md.texi: Document new constraint-definition mechanism and the
12135 C interface it provides. Remove references to old mechanism
12136 elsewhere in the document.
12137 (Machine Constraints): Use pathnames relative to gcc directory,
12138 i.e. config/ARCH/FILE. Change i386 section to refer to
12139 config/i386/predicates.md; update that section to match docstrings.
12140 * doc/tm.texi: Move all documentation of the old constraint-
12141 definition macros to their own section, clearly mark as obsolete.
12143 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12144 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12146 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12147 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12148 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12149 constraint strings.
12150 (splits and peepholes): Use satisfies_constraint_*.
12151 * config/i386/i386.c (memory_address_length)
12152 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12154 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12156 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12157 scalar operation to be put back into the loop.
12159 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12162 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12163 (extract_cie_info): Handle S flag in augmentation string.
12164 (execute_cfa_program): If context->signal_frame, execute also
12165 fs->pc == context->ra instructions.
12166 (uw_frame_state_for): If context->signal_frame, don't subtract one
12167 from context->ra to find FDE.
12168 (uw_update_context_1): Set context->signal_frame to
12170 (_Unwind_GetIPInfo): New function.
12171 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12172 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12174 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12175 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12176 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12177 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12178 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12179 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12180 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12181 x86_64_fallback_frame_state): Set fs->signal_frame.
12182 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12183 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12184 (frob_update_context): Likewise. Workaround missing S flag in
12185 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12186 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12187 Remove the psw_addr + 1 hack.
12189 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12191 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12192 with aggregates here.
12193 (find_func_aliases): Remove code for &<aggregate> from here.
12195 2006-02-26 Roger Sayle <roger@eyesopen.com>
12197 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12198 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12199 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12200 as (X & C) ne/eq 0.
12202 2006-02-26 Roger Sayle <roger@eyesopen.com>
12204 PR middle-end/19983
12205 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12207 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12209 * opts.c (decode_options): Do not handle flag_strength_reduce.
12210 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12211 and OPT_fstrength_reduce.
12212 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12213 flag_prefetch_loop_arrays for being nonzero.
12214 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12216 (fprefetch-loop-arrays-rtl): Removed.
12217 (flag_prefetch_loop_arrays): Do not specify the value.
12219 * doc/passes.texi: Update documentation of loop optimizer
12221 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12222 -frerun-loop-opt): Remove.
12224 2006-02-26 Richard Guenther <rguenther@suse.de>
12226 PR tree-optimization/26421
12227 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12228 in function calls that are ADDR_EXPRs as using the whole structure.
12230 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12232 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12233 * tree-pass.h (pass_loop_optimize): Remove.
12234 * passes.c (pass_loop_optimize): Never run it.
12235 * toplev.c (backend_init): Don't call init_loop.
12236 * opts.c (flag_loop_optimize_set): Remove.
12237 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12238 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12239 the old RTL loop optimizer when profiling enabled.
12240 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12241 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12242 pre-headers for the sake of the old RTL loop optimizer.
12243 * Makefile.in: Remove all references to loop.o.
12245 * doc/invoke.texi: Remove all references to -floop-optimize
12246 and -frerun-loop-opt.
12248 2006-02-26 Zack Weinberg <zackw@panix.com>
12250 * doc/md.texi (Machine Constraints): Refer to all files with paths
12251 relative to gcc directory (i.e. config/CPU/file). Add missing
12252 @table @code ... @end table to M32C subsection.
12254 2006-02-26 Roger Sayle <roger@eyesopen.com>
12256 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12258 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12260 2006-02-26 Roger Sayle <roger@eyesopen.com>
12261 James A. Morrison <phython@gcc.gnu.org>
12263 PR middle-end/21137
12264 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12265 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12266 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12267 signedness of the shift operation.
12269 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12271 PR tree-optimization/26359
12272 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12274 2006-02-25 Roger Sayle <roger@eyesopen.com>
12276 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12277 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12278 as X == 0, and some symmetry related transformations.
12279 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12281 2006-02-25 Roger Sayle <roger@eyesopen.com>
12283 PR middle-end/23673
12284 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12285 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12286 symmetry related transformations. Fold (X^C1) == C2 as
12289 2006-02-25 Juergen Weigert <jw@suse.de>
12290 Richard Guenther <rguenther@suse.de>
12292 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12294 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12296 * combine.c (gen_lowpart_or_truncate): Call
12297 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12299 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12301 * doc/invoke.texi: Move -fopenmp description to "Options for
12303 Remove reference to -lgomp.
12305 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12307 * doc/install.texi: Require GNU tar version 1.14.
12309 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12311 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12312 * doc/invoke.texi (C++ Dialect Options): Document
12313 -fno-use-cxa-get-exception-ptr.
12314 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12315 * configure: Regenerate.
12316 * c.opt (fuse-cxa-get-exception-ptr): New.
12317 * c-opts.c (c_common_handle_option): Handle
12318 OPT_fuse_cxa_get_exception_ptr.
12319 * c-common.c (flag_use_cxa_atexit): Update documentation.
12320 (flag_use_cxa_get_exception_ptr): New.
12321 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12322 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12324 (C_COMMON_OVERRIDE_OPTIONS): New.
12326 2006-02-24 Roger Sayle <roger@eyesopen.com>
12328 PR middle-end/24952
12329 * combine.c (try_combine): Explicitly check whether GET_CODE is
12330 a SET or a CLOBBER, instead on checking that it isn't a USE.
12332 2006-02-24 Roger Sayle <roger@eyesopen.com>
12334 * fold-const.c (fold_comparison): New subroutine of fold_binary
12335 containing transformations common to both the equality and
12336 ordering relational operators, factored out of fold_binary.
12337 (fold_binary): Separate out the equality operators (EQ_EXPR
12338 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12339 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12340 transformations common to both.
12341 (fold_div_compare): Fix latent bugs in the previously unreachable
12342 LT_EXPR and GE_EXPR cases.
12344 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12346 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12347 decl libname for clog to __clog on AIX.
12349 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12351 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12354 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12355 output traceback table for thunks. Localise rs6000_stack_info call.
12357 2006-02-23 Roger Sayle <roger@eyesopen.com>
12358 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12360 * gthr-posix.h (__gthrw): Fix typo in comment.
12362 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12364 * doc/cpp.texi (Character sets): Document that we do support
12365 input files to be in any character set.
12367 2006-02-23 Jeff Law <law@redhat.com>
12369 * tree.h (PHI_ARG_NONZERO): Remove.
12370 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12371 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12372 node to the new node.
12374 PR tree-optimization/26425
12375 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12376 min/max, then assume its varying.
12378 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12380 PR rtl-optimization/26316
12381 * rtlanal.c (enum may_trap_p_flags): New.
12382 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12383 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12384 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12385 (may_trap_after_code_motion_p): New function.
12386 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12387 (find_invariant_insn): Use may_trap_after_code_motion_p.
12388 * rtl.h (may_trap_after_code_motion_p): Declare.
12390 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12392 * emit-rtl.c (immed_double_const): Cleanup.
12394 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12396 Fix PR tree-optimization/26376
12397 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12400 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12402 PR middle-end/26412
12403 * gimplify.c (omp_add_variable): Guard variable size decl test with
12404 DECL_SIZE (decl) check.
12406 2006-02-23 Richard Guenther <rguenther@suse.de>
12408 PR middle-end/26439
12409 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12410 like aggregate types.
12412 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12414 * configure.ac: Add --with{,out}-long-double-128 configure option.
12415 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12416 * configure: Rebuilt.
12417 * config.in: Rebuilt.
12418 * doc/install.texi (Options specification): Document
12419 --with-long-double-128.
12421 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12422 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12423 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12424 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12426 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12428 * config/s390/s390.c (override_options): Handle
12429 TARGET_DEFAULT_LONG_DOUBLE_128.
12431 * config/alpha/alpha.c (override_options): Handle
12432 TARGET_DEFAULT_LONG_DOUBLE_128.
12434 * config/sparc/sparc.c (sparc_override_options): Handle
12435 TARGET_DEFAULT_LONG_DOUBLE_128.
12437 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12439 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12440 (real-install-headers-tar, real-install-headers-cpio)
12441 (real-install-headers-cp): New targets.
12443 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12445 * tree.h (variable_section): Delete.
12446 * varasm.c (variable_section): Delete.
12448 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12450 * install.texi: Add notes on install.texi2html.
12451 (Building in parallel): Do not use footnotes.
12453 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12456 * doc/install.texi (Configuration): Document --disable-libgomp.
12458 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12460 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12462 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12464 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12465 (vec_extractv2df_0_sse): New.
12467 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12469 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12470 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12471 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12472 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12473 to the result of the expression.
12474 (def_cfa_1): Adjust.
12475 (frame_pointer_cfa_offset): Rename to...
12476 (frame_pointer_fb_offset): ... this. Adjust all uses.
12477 (convert_cfa_to_loc_list): Rename to...
12478 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12479 Pass it on to build_cfa_loc.
12480 (compute_frame_pointer_to_cfa_displacement): Rename to...
12481 (compute_frame_pointer_to_fb_displacement): ... this. New
12482 offset parameter. Use it in computation.
12483 (gen_subprogram_die): Compute cfa_fb_offset with the new
12484 macro, and use it to compute the fb loc list and the
12487 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12489 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12490 replaced with register_operand.
12491 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12492 non-DREG is expensive.
12493 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12494 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12497 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12499 * doc/install.texi2html: Use set -e.
12501 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12503 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12504 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12505 * doc/invoke.texi (-fshared-data): Delete.
12506 * common.opt (fshared-data): Delete.
12507 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12508 (assemble_static_space): Remove #if 0 code.
12509 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12510 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12511 * config/cris/cris.h: Remove FIXME.
12513 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12515 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12518 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12520 PR middle-end/26379
12521 * combine.c (simplify_shift_const_1): Disable nested shifts
12522 optimization for vector shifts.
12524 2006-02-20 Roger Sayle <roger@eyesopen.com>
12526 PR tree-optimization/26361
12527 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12528 of unsigned integer types.
12530 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12532 * tree-chrec.c (eq_evolutions_p): New.
12533 * tree-chrec.h (eq_evolutions_p): Declared.
12534 * tree-data-ref.c: Fix formatting.
12535 (datadep_stats, dependence_stats): New.
12537 (print_direction_vector): New.
12538 (dump_data_dependence_relation): Use print_direction_vector.
12539 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12540 (compute_subscript_distance): Static.
12541 (initialize_data_dependence_relation): Static. Get the number
12542 of loops surrounding the references from the callers, and initialize
12543 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12544 base_object_differ_p analyzers.
12545 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12546 compute_overlap_steps_for_affine_1_2,
12547 analyze_subscript_affine_affine): Count the classified dependences.
12548 Print a message when a test failed.
12549 (can_use_analyze_subscript_affine_affine): New.
12550 (analyze_siv_subscript): Compute the data dependences on symbolic
12551 scevs that verify can_use_analyze_subscript_affine_affine.
12552 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12553 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12554 Handle symbolic scevs.
12555 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12557 (subscript_dependence_tester): Moved...
12558 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12559 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12560 DDR_SIZE_VECT instead of getting it in parameter.
12561 (subscript_dependence_tester): ... here. Take as a parameter
12562 loop_nest_depth. Call build_classic_dist_vector and
12563 build_classic_dir_vector.
12564 (compute_affine_dependence): Update subscript_dependence_tester
12565 parameters. Update datadep_stats counters. Call
12566 compute_subscript_distance.
12567 (compute_self_dependence): Save the dist and dir vectors. Call
12568 compute_subscript_distance.
12569 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12570 (compute_all_dependences): Reorder parameters as they were before
12571 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12572 compute_subscript_distance. Update the use of
12573 compute_affine_dependence and initialize_data_dependence_relation.
12574 (find_data_references_in_loop): Handle COMPONENT_REF.
12575 (compute_data_dependences_for_loop): Initialize dependence_stats.
12576 Don't call build_classic_dist_vector and build_classic_dir_vector.
12577 Update the parameters of initialize_data_dependence_relation and
12578 compute_all_dependences. Print the statistics from datadep_stats.
12579 (analyze_all_data_dependences): Static. Not used until the pass for
12580 checking the data dependences is contributed.
12581 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12582 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12583 (initialize_data_dependence_relation, compute_affine_dependence,
12584 analyze_all_data_dependences, compute_subscript_distance): Removed.
12585 (print_direction_vector): New.
12586 * lambda.h (gcd): ... here.
12587 (lambda_vector_gcd): Moved here from gcd_vector.
12588 * lambda-code.c (gcd, gcd_vector): Removed.
12589 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12590 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12592 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12594 * ipa-type-escape.c: Tidy some comments and white space.
12595 * tree-ssa-operands.c: Likewise.
12597 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12600 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12601 (dump_decl_name): Do not walk the decl tree chains.
12602 * tree-pass.h (TDF_CHAIN): Remove.
12604 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12606 * Makefile.in (C): Remove
12608 (.PHONY): Remove C and PROTO
12610 2006-02-20 Roger Sayle <roger@eyesopen.com>
12612 PR middle-end/26236
12613 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12614 deprecated CHAR_TYPE tree code.
12616 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12618 * configure.ac (target_list): Add install-info, dvi, html.
12619 * configure: Regenerate.
12621 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12622 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12623 treelang/Make-lang.in: Do not use double-colon rules.
12625 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12627 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12628 (TMT_USED_ALONE): New macro.
12629 * tree-pass.h (PROP_tmt_usage): New property.
12630 (TODO_update_tmt_usage): New todo.
12631 * tree-ssa-alias.c (updating_used_alone): New variable.
12632 (recalculate_used_alone): New function.
12633 (compute_may_aliases): Set updating_used_alone, call
12634 recalculate_used_alone.
12635 * tree-sra.c (pass_sra): Note that this pass destroys
12636 PROP_tmt_usage, and add TODO_update_tmt_usage.
12637 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12638 * tree-flow.h (updating_used_alone): Prototype.
12639 (recalculate_used_alone): Ditto.
12640 * passes.c (execute_todo): Add code to set updating_used_alone,
12641 and call recalculate.
12642 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12643 for clobber if used alone, and add assert to verify used_alone
12646 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12648 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12649 for non tls symbols added.
12650 (legitimize_address): Do nothing for PLUS expressions if one of the
12651 addends is a tls symbol reference.
12653 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12657 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12659 * Makefile.in (BOOTSTRAPPING): New.
12660 (quickstrap): New definition if BOOTSTRAPPING=yes.
12662 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12663 * configure.ac: Substitute all_selected_languages with the languages
12664 that were configured. For all the other variables except
12665 lang_specs_files, include all the languages in the tree.
12666 * configure: Regenerate.
12668 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12669 if there is one. Run the commands to run fixincludes in the same
12672 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12673 * doc/install.texi: Document exact conventions for searching target tools.
12674 Document --with-build-time-tools. Document toplevel bootstrap. Document
12675 something more about building an Ada cross-compiler. Don't list GNU Make
12676 requirements which affect all platforms.
12678 2006-02-19 Roger Sayle <roger@eyesopen.com>
12680 PR middle-end/19543
12681 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12682 only equivalent if the have both the same mode and precision.
12684 2006-02-20 Ben Elliston <bje@au.ibm.com>
12686 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12688 2006-02-19 Roger Sayle <roger@eyesopen.com>
12689 Steven Bosscher <stevenb.gcc@gmail.com>
12691 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12692 constant pool references to identify stack mode constants.
12693 * rtlanal.c (constant_pool_constant_p): New predicate to check
12694 whether operand is a floating point constant in the pool.
12695 * rtl.h (constant_pool_constant_p): Prototype here.
12696 * loop.c (scan_loop): Avoid hoisting constants from the constant
12697 pool on STACK_REGS targets.
12698 (load_mems): Likewise.
12699 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12700 loads into x87 registers expensive in terms of register pressure.
12702 2006-02-19 Roger Sayle <roger@eyesopen.com>
12704 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12705 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12707 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12709 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12710 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12712 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12714 * doc/invoke.texi: Document -fipa-pta.
12715 * common.opt: Add ipa-pta option.
12716 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12717 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12718 (do_ds_constraint): Ditto.
12719 (get_constraint_for): Only add to referenced_vars if
12720 referenced_vars exists.
12721 (insert_into_field_list): Rewrite to do this unsorted.
12722 (insert_into_field_list_sorted): Rename old insert_into_field_list
12724 (create_function_info_for): Use insert_into_field_list_sorted.
12725 (create_variable_info_for): Rewrite so it uses unsorted version,
12726 since the field list is sorted.
12727 (intra_create_variable_infos): Only add to referenced_vars if
12728 referenced_vars exists.
12729 (ipa_pta_execute): Init heapvars, and delete when done.
12730 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12732 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12734 * doc/install.texi: Add missing `@samp'.
12736 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12738 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12741 2006-02-18 Mark Wielaard <mark@klomp.org>
12743 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12744 who added new 4.1 features, bug fixes and integration support.
12746 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12749 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12750 MEM for ABI_V4 pic.
12752 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12754 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12755 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12756 (copy_insn_1): Likewise. Don't copy each field individually.
12758 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12760 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12761 * rtl.c (rtx_size): Rename variable to...
12762 (rtx_code_size): ...this.
12763 (rtx_size): New function.
12764 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12765 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12767 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12768 * rtl.h (rtx_code_size): New variable.
12769 (rtx_size): Change from a variable to a function.
12770 (RTX_SIZE): Rename to...
12771 (RTX_CODE_SIZE): ...this.
12774 PR tree-optimization/17106
12775 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12776 (Anchored Addresses): New section.
12777 * doc/invoke.texi (-fsection-anchors): Document.
12778 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12779 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12780 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12781 * hooks.c (hook_bool_mode_rtx_false): New function.
12782 * hooks.h (hook_bool_mode_rtx_false): Declare.
12783 * gengtype.c (create_optional_field): New function.
12784 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12785 SYMBOL_REF_IN_BLOCK_P is true.
12786 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12787 (min_anchor_offset, max_anchor_offset): Likewise.
12788 (use_anchors_for_symbol_p): New hook.
12789 * toplev.c (compile_file): Call output_object_blocks.
12790 (target_supports_section_anchors_p): New function.
12791 (process_options): Check that -fsection-anchors is only used on
12792 targets that support it and when -funit-at-a-time is in effect.
12793 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12794 if the decl doesn't have one.
12795 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12796 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12797 of force_const_mem through use_anchored_address.
12798 (expand_expr_constant): New function.
12799 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12800 calling expand_expr for INDIRECT_REF.
12801 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12802 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12803 * expr.h (use_anchored_address): Declare.
12804 * loop-unroll.c: Don't declare rtx vectors here.
12805 * explow.c: Include output.h.
12806 (validize_mem): Call use_anchored_address.
12807 (use_anchored_address): New function.
12808 * common.opt (-fsection-anchors): New switch.
12809 * varasm.c (object_block_htab, anchor_labelno): New variables.
12810 (hash_section, object_block_entry_eq, object_block_entry_hash)
12811 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12812 (use_blocks_for_decl_p, change_symbol_section): New functions.
12813 (get_variable_section): New function, split out from assemble_variable.
12814 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12815 use_blocks_for_decl_p say so. Use change_symbol_section if the
12816 symbol has already been created.
12817 (assemble_variable_contents): New function, split out from...
12818 (assemble_variable): ...here. Don't output any code for
12819 block symbols; just pass them to place_block_symbol.
12820 Use get_variable_section and assemble_variable_contents.
12821 (get_constant_alignment, get_constant_section, get_constant_size): New
12822 functions, split from output_constant_def_contents.
12823 (build_constant_desc): Create a block symbol if use_object_blocks_p
12824 says so. Or into SYMBOL_REF_FLAGS.
12825 (assemble_constant_contents): New function, split from...
12826 (output_constant_def_contents): ...here. Don't output any code
12827 for block symbols; just pass them to place_section_symbol.
12828 Use get_constant_section and get_constant_alignment.
12829 (force_const_mem): Create a block symbol if use_object_blocks_p and
12830 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12831 (output_constant_pool_1): Add an explicit alignment argument.
12832 Don't switch sections here.
12833 (output_constant_pool): Adjust call to output_constant_pool_1.
12834 Switch sections here instead. Don't output anything for block symbols;
12835 just pass them to place_block_symbol.
12836 (init_varasm_once): Initialize object_block_htab.
12837 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12838 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12839 (place_block_symbol, get_section_anchor, output_object_block)
12840 (output_object_block_htab, output_object_blocks): New functions.
12841 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12842 (TARGET_ASM_OUT): Include it.
12843 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12844 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12845 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12846 (TARGET_INITIALIZER): Include them.
12847 * rtl.c (rtl_check_failed_block_symbol): New function.
12848 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12849 (block_symbol, object_block): New structures.
12850 (rtx_def): Add a block_symbol field to the union.
12851 (BLOCK_SYMBOL_CHECK): New macro.
12852 (rtl_check_failed_block_symbol): Declare.
12853 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12854 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12855 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12856 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12857 * output.h (output_section_symbols): Declare.
12858 (object_block): Name structure.
12859 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12860 (default_use_anchors_for_symbol_p): Declare.
12861 * Makefile.in (RTL_BASE_H): Add vec.h.
12862 (explow.o): Depend on output.h.
12863 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12864 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12865 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12866 (rs6000_use_blocks_for_constant_p): New function.
12868 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12870 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12872 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12875 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12878 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12880 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12884 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12886 PR middle-end/26334
12887 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12888 instead of DECL_REGISTER.
12890 2006-02-18 Olivier Hainque <hainque@adacore.com>
12893 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12895 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12898 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12899 * opth-gen.awk: Handle Var and InverseMask together.
12900 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12901 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12902 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12903 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12905 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12906 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12907 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12908 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12909 LINUX_DYNAMIC_LINKER): Define.
12910 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12911 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12913 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12914 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12915 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12916 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12917 (TARGET_C99_FUNCTIONS): Don't define.
12918 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12919 GLIBC_DYNAMIC_LINKER.
12920 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12921 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12922 GLIBC_DYNAMIC_LINKER64): Define.
12923 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12924 LINUX_DYNAMIC_LINKER64.
12925 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12926 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12927 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12928 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12929 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12930 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12931 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12932 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12933 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12934 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12935 and LINUX_DYNAMIC_LINKER32.
12936 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12937 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12938 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12939 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12940 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12942 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12943 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12944 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12945 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12946 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12947 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12948 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12949 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12950 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12951 LINUX_DYNAMIC_LINKER): Define.
12952 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12953 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12954 GLIBC_DYNAMIC_LINKER64): Define.
12955 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12956 LINUX_DYNAMIC_LINKER64.
12957 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12958 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12959 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12960 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12961 LINUX_DYNAMIC_LINKER): Define.
12962 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12963 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12964 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12965 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12966 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12967 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12968 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12969 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12970 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12971 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12972 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12973 * doc/invoke.texi (-muclibc): Remove caveat about supported
12976 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12978 * doc/cpp.texi (__TIMESTAMP__): Document.
12980 2006-02-17 Roger Sayle <roger@eyesopen.com>
12982 PR middle-end/25600
12983 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12984 C is one less than the width of X (and related transformations).
12985 * simplify-rtx.c (simplify_unary_operation_1): Transform
12986 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12987 depending on STORE_FLAG_VALUE, were C is one less then the
12990 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12992 Fix PR tree-optimization/26341
12993 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12994 about NAME_MEMORY_TAG's.
12996 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12999 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13000 with hardware float support, and software float support. Add fcpy
13001 alternative to hardware patterns. Add alternatives to copy between
13002 general and floating-point registers to the 32-bit pattern.
13003 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13004 secondary reload to load a QI or HI mode constant into a floating
13006 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13007 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13009 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13012 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13014 (load_macho_picbase_di): Likewise.
13016 2006-02-16 Jeff Law <law@redhat.com>
13018 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13019 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13020 (ssa_name_nonzero_p): Likewise.
13021 (get_value_range): Return NULL if VRP is not running.
13022 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13023 VRP routines do not discover a range.
13024 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13025 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13026 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13027 (tree_expr_nonnegative_p): Similarly.
13028 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13029 (restore_nonzero_vars_to_original_value): Remove.
13030 (unsafe_associative_fp_binop): Remove.
13031 (tree_ssa_dominator_optimize): Remove initialization and
13032 finalization of nonzero_vars and nonzero_vars_stack.
13033 (dom_opt_initialize_block): No longer push marker on
13034 nonzero_vars_stack.
13035 (dom_opt_finalize_block): No longer call
13036 restore_nonzero_vars_to_original_value.
13037 (record_equivalences_from_phis): No longer look for
13038 nonzero PHI arguments.
13039 (cprop_into_successor_phis): No longer propagate nonzero
13040 property into PHI arguments. Lose unused argument. Caller
13042 (record_equivalences_from_stmt): No longer record nonzero
13043 values for SSA_NAMEs.
13044 (lookup_avail_expr): No longer use nonzero_vars.
13046 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13047 for sizetype when sizetype is unsigned.
13049 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13051 PR rtl-optimization/25603
13052 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13053 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13054 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13055 with new meaning of SETS.
13057 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13062 * config/linux.opt: New file.
13063 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13064 LINUX_DYNAMIC_LINKER): Define.
13065 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13066 * config.gcc (*-*-linux*): Define extra_options.
13067 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13068 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13069 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13070 GLIBC_DYNAMIC_LINKER.
13071 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13072 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13073 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13074 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13075 * doc/invoke.texi (GNU/Linux Options): New section.
13077 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13079 * config/sparc/sparc.md (setjmp): Rewrite.
13080 (setjmp_32): Delete.
13081 (setjmp_64): Likewise.
13083 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13085 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13088 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13090 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13093 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13095 PR rtl-optimization/26296
13096 * Makefile.in (loop-invariant.c): Add except.h dependency.
13097 * loop-invariant.c: Include except.h.
13098 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13100 2005-02-16 Paul Brook <paul@codesourcery.com>
13102 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13105 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13107 PR rtl-optimization/25636
13108 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13109 when deciding whether an insn is an initializing insn.
13111 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13113 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13114 (tree_code_size): Ditto.
13115 * tree.h (struct tree_memory_tag): Remove parent_var.
13116 (struct tree_struct_field_tag): New.
13119 (union tree_node): Add sft member.
13120 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13122 (create_sft): Add size and offset argument, set SFT_OFFSET and
13124 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13125 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13126 * tree-flow-inline.h (get_subvar_at): Update for
13127 SFT_OFFSET/SFT_SIZE.
13128 (var_can_have_subvars): Ditto.
13129 (overlap_subvar): Ditto.
13130 * print-tree.c (print_node): Print out interesting things for
13132 * tree-flow.h (struct subvar): Remove offset and size members.
13133 * tree-ssa-operands.c (get_expr_operands): Update for
13134 get_indirect_ref_operands changes.
13135 (get_indirect_ref_operands): Call add_virtual_operand instead of
13136 add_stmt_operand. Only recurse on base var if requested.
13137 (access_can_touch_variable): New function.
13138 (add_stmt_operand): Split virtual operand handling into ...
13139 (add_virtual_operand): Here. Add offset, size, and for_clobber
13140 arguments. Prune alias sets.
13141 (add_call_clobber_ops): Call add_virtual_operand.
13143 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13145 PR middle-end/26300
13146 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13148 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13149 than TREE_CODE as index into omp_clause_num_ops array.
13151 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13153 PR rtl-optimization/26184
13154 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13156 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13157 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13158 must_precede, must_follow and tobe_scheduled.
13161 * opts.c (common_handle_option): Free new_option pointer.
13162 * df-core.c (df_analyze): Free postorder pointer.
13164 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13166 * Makefile.in: Fix the examples about the use of stamps
13168 2006-02-15 Michael Matz <matz@suse.de>
13170 PR middle-end/22275
13172 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13173 influenced by maximum_field_alignment or DECL_PACKED.
13174 (update_alignment_for_field): Ditto.
13175 (place_field): Ditto.
13176 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13179 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13181 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13182 (debug_flow_info): Pass it.
13183 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13184 * bb-reorder.c (reorder_basic_blocks): Likewise.
13185 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13186 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13187 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13188 * gcse.c (gcse_main, bypass_jumps): Likewise.
13189 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13190 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13191 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13192 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13193 * rtl.h (dump_flow_info): Adjust prototype.
13194 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13195 * var-tracking.c (variable_tracking_main): Likewise.
13196 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13197 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13200 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13202 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13205 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13207 PR tree-optimization/26209
13208 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13209 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13211 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13213 2006-02-14 Roger Sayle <roger@eyesopen.com>
13215 PR middle-end/23670
13216 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13217 (X,Y) and the corresponding symmetry related transformations.
13218 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13219 (X,Y) and its symmetry related transformations.
13221 2006-02-14 Roger Sayle <roger@eyesopen.com>
13223 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13226 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13228 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13230 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13233 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13234 support COMDAT group.
13235 * configure: Regenerate.
13237 2006-02-14 Roger Sayle <roger@eyesopen.com>
13239 PR middle-end/26279
13240 PR middle-end/26280
13241 PR middle-end/26283
13242 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13244 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13246 Fix PR tree-optimization/26260
13248 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13250 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13251 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13252 * tree-ssa-structalias.c (create_variable_info_for): Use
13253 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13255 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13257 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13259 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13260 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13261 of the ending condition.
13262 * tree-ssa-loop-manip.c: Include params.h.
13263 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13264 tree_unroll_loop): New functions.
13265 * tree-pass.h (pass_loop_prefetch): Declare.
13266 * loop.c (rest_of_handle_loop_optimize): Test for
13267 -fprefetch-loop-arrays-rtl.
13268 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13269 * timevar.def (TV_TREE_PREFETCH): New timevar.
13270 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13271 pass_loop_prefetch): New.
13272 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13273 (cleanup_tree_cfg_loop): Call scev_reset.
13274 * common.opt (fprefetch-loop-arrays-rtl): Add.
13275 * tree-ssa-loop-prefetch.c: New file.
13276 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13277 (new_temp_expr_table): Initialize expr_vars.
13278 (free_temp_expr_table): Cleanup expr_vars.
13279 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13280 expressions from being merged into one.
13281 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13282 (struct tree_niter_desc): Add control, bound and cmp fields.
13283 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13285 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13286 (tree-cfgcleanup.o): Add SCEV_H dependency.
13287 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13288 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13290 2006-02-14 Richard Guenther <rguenther@suse.de>
13292 PR tree-optimization/26258
13293 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13294 in PHI argument processing.
13296 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13298 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13299 new expression in the requested machine mode.
13301 2006-02-13 Roger Sayle <roger@eyesopen.com>
13303 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13304 directly, instead let do_compare_rtx_and_jump handle this for us.
13305 * expr.c (expand_expr_real_1): Likewise.
13306 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13307 before do_jump_by_parts_greater.
13308 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13309 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13311 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13313 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13315 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13317 PR rtl-optimization/26235
13318 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13319 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13322 2006-02-13 Jeff Law <law@redhat.com>
13324 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13327 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13329 PR middle-end/26092
13330 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13331 twice if decl is a builtin. When trying again, call get_callee_fndecl
13332 first to verify it is still a builtin.
13334 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13336 * dwarf2out.c (base_type_die): Don't add AT_name here.
13337 (subrange_type_die): Don't add AT_name here.
13338 (modified_type_die): Rearrange code flow. Do add AT_name here.
13340 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13342 PR rtl-optimization/26247
13343 PR rtl-optimization/26248
13344 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13346 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13348 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13349 * config/fixtfdi.c: Likewise.
13350 * config/fixunstfdi.c: Likewise.
13351 * config/floatditf.c: Likewise.
13353 2006-02-13 Roger Sayle <roger@eyesopen.com>
13355 PR middle-end/24427
13356 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13357 into (X,C2) if C1 is a subset of the bits of C2. Transform
13358 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13360 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13362 2006-02-13 Josh Conner <jconner@apple.com>
13365 * varasm.c (function_section): Check for section name before
13366 calling select_section on targets that define
13367 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13368 unlikely_text_section instead of hot_function_section if
13369 first_function_block_is_cold.
13371 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13373 PR middle-end/25335
13374 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13376 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13378 PR rtl-optimization/26222
13379 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13380 after tree->rtl expansion.
13381 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13382 before passing it to emit_move_insn.
13384 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13386 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13388 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13389 Clarify documentation.
13390 * c-common.h (warn_write_strings): Remove.
13391 * c-common.c (warn_write_strings): Likewise.
13392 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13395 2006-02-12 Roger Sayle <roger@eyesopen.com>
13397 PR middle-end/25724
13398 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13399 (do_jump_parts_zero_rtx): New function renamed from
13400 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13401 (do_jump_parts_equality_rtx): New function split out from
13402 do_jump_parts_equality. Old implementation renamed as above.
13403 Call do_jump_parts_zero_rtx if either operand is zero.
13404 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13405 do all of the heavy lifting.
13406 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13407 calling either do_jump_by_parts_greater_rtx or
13408 do_jump_by_parts_equality_rtx.
13409 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13410 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13411 moved to do_compare_rtx_and_jump, call it directly.
13412 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13413 mode argument. Call do_compare_rtx_and_jump.
13414 (emit_case_nodes): Update calls to do_jump_if_equal.
13416 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13418 PR rtl-optimization/26225
13419 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13421 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13423 PR rtl-optimization/26232
13424 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13426 2006-02-11 Jason Merrill <jason@redhat.com>
13429 * tree-inline.c (declare_return_variable): Just don't use the
13430 modify target if it's a gimple complex reg and the return slot
13433 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13435 * doc/contrib.texi: Update my entry.
13437 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13439 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13441 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13443 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13446 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13448 * doc/invoke.texi (-floop-optimize2): Removed.
13449 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13450 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13451 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13452 * common.opt (floop-optimize2): Removed.
13453 (fmove-loop-invariants): Enabled by default.
13455 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13457 * tree-if-conv.c (combine_blocks): Free the result of
13458 get_loop_exit_edges.
13460 2006-02-10 Jeff Law <law@redhat.com>
13462 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13464 PR tree-optimization/26213
13465 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13466 loop trying to follow SSA_NAME_VALUE chains.
13468 2006-02-10 Richard Guenther <rguenther@suse.de>
13470 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13471 deal with structures that end in implicitly variable sized arrays.
13473 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13475 PR rtl-optimization/24762
13476 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13479 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13481 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13482 (struct ivopts_data): Add regs_used field.
13483 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13484 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13485 instead of loop_data->regs_used;
13486 (free_loop_data): Do not free aux fields for loops.
13487 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13488 and tree_ssa_iv_optimize_finalize.
13490 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13492 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13494 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13497 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13498 computing the effective result type.
13500 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13502 PR inline-asm/16194
13503 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13504 (tree_overlaps_hard_reg_set): Declare.
13505 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13506 type and signature to match function type expected by walk_tree.
13507 (tree_overlaps_hard_reg_set): New function.
13508 (decl_conflicts_with_clobbers_p): Rename to:
13509 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13510 Use tree_overlaps_hard_reg_set. Changed caller.
13511 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13512 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13513 * cris.c (cris_md_asm_clobbers): Likewise.
13515 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13517 * reload1.c (emit_input_reload_insns): Delete code that tries to
13518 inherit using find_equiv_reg.
13520 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13522 * c-common.h (flag_const_strings): Don't declare.
13523 * c-common.c (flag_const_strings): Remove.
13524 * c.opt (fconst_strings): Remove.
13525 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13526 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13527 (c_common_init_options): Don't set flag_const_strings.
13528 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13530 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13532 * arm.md (tlobits_cbranch): New pattern.
13533 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13534 testing a single bit.
13536 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13539 * tree-ssa-pre.c (create_component_ref_by_pieces):
13540 Handle RETURN_DECL like VAR_DECL.
13542 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13544 PR middle-end/26134
13545 * fold-const.c (fold_indirect_ref_1): Fold
13546 "*(foo *)&complexfoo" to "__real__ complexfoo"
13547 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13549 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13551 * tree-flow-inline.h (var_can_have_subvars):
13552 Volatile variables should not have subvariables.
13554 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13557 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13558 multiplying unsigned values.
13561 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13563 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13565 2006-02-08 Jason Merrill <jason@redhat.com>
13568 * tree.def: Elaborate on difference from MODIFY_EXPR.
13569 * doc/c-tree.texi (INIT_EXPR): Likewise.
13570 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13571 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13572 (gimplify_target_expr): Likewise.
13573 (gimplify_cond_expr): Remove target handling.
13574 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13575 (gimplify_expr): Clobber it here.
13576 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13577 Do return slot optimization if we have an INIT_EXPR.
13580 * tree-inline.c (declare_return_variable): Also clear
13581 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13584 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13586 PR middle-end/22439
13587 * gimplify.c (gimplify_one_sizepos): Fix typo.
13589 2006-02-08 Jeff Law <law@redhat.com>
13591 PR tree-optimization/21417
13592 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13593 across a backedge if the control statement at the end of the
13594 block is data dependent on other statements in the same block.
13595 (record_temporary_equivalences_from_stmts): Remove over-conservative
13596 test for threading across backedges.
13598 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13599 control statement, handle all three special cases in the same
13600 manner as they all have the same desired solution. No longer
13601 special case edge flag updating when the post dominator is
13604 2006-02-08 Roger Sayle <roger@eyesopen.com>
13606 * tree.def (CHAR_TYPE): Remove.
13607 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13608 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13609 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13610 (gen_string_type_die): Delete unreachable function.
13612 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13613 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13614 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13615 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13616 * builtins.c (type_to_class): Likewise.
13617 * fold-const.c (fold_convert, build_range_check,
13618 merge_ranges): Likewise.
13619 * expr.c (count_type_elements): Likewise.
13620 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13621 * stor-layout.c (layout_type): Likewise.
13622 * ipa-type-escape.c (type_to_consider): Likewise.
13623 * gimplify.c (omp_firstprivatize_type_sizes,
13624 gimplify_type_sizes): Likewise.
13625 * explow.c (promote_mode): Likewise.
13626 * tree-sra.c (is_sra_scalar_type): Likewise.
13627 * varasm.c (output_constant): Likewise.
13628 * tree-inline.c (remap_type_1): Likewise.
13629 * convert.c (convert_to_pointer, convert_to_real,
13630 convert_to_integer, convert_to_complex): Likewise.
13632 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13634 * df-scan.c (df_def_record_1): A set destination may
13635 be a parallel regardless of mode.
13637 2006-02-08 Roger Sayle <roger@eyesopen.com>
13640 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13641 * config/mips/_tilib.c: Remove.
13642 * config/fixtfdi.c: New libgcc source file.
13643 * config/fixunstfdi.c: New source file.
13644 * config/floatditf.c: New source file.
13645 * config/floatunditf.c: New souce file.
13646 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13647 files above instead of config/mips/_tilib.c.
13648 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13650 2006-02-08 Jeff Law <law@redhat.com>
13652 PR tree-optimization/26169
13653 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13656 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13658 * df.h (DF_REG_SIZE): Return the length of the initialized
13661 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13663 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13664 __muldf3): Return a correctly signed zero.
13666 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13668 * passes.c (register_one_dump_file): Accept the current properties
13669 instead of pass number. Adjust call to dump_register. Remove
13671 (register_dump_files): Now a wrapper around...
13672 (register_dump_files_1): ... this one. Do not modify the pass
13674 (next_pass_1): Cosmetic fix.
13675 (execute_todo): Keep second parameter only. Use curr_properties
13676 instead of fetching it from the pass structure. Check and set
13678 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13679 instead of fetching it from the pass structure. Fix calls to
13680 execute_todo. Update curr_properties and initialize .vcg RTL dump
13681 after running the pass. Reset last_verified.
13682 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13684 (FIRST_AUTO_NUMBERED_DUMP): New.
13685 (dump_register): Remove "num" parameter, assign it within the
13687 (get_dump_file_name): Modify template for dumps.
13688 * tree-dump.h (dump_register): Adjust prototype.
13689 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13690 (PROP_trees): Add PROP_gimple_lomp.
13691 (TODO_set_props): New.
13692 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13693 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13694 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13696 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13698 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13699 (sparc64-*-linux*): Likewise.
13700 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13701 * config/sparc/t-linux: New file.
13702 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13703 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13704 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13705 -m32 -mlong-double-128.
13707 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13708 * config/alpha/t-linux: New file.
13709 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13711 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13712 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13713 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13714 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13715 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13716 (CPP_ARCH32_SPEC): Remove.
13718 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13720 PR tree-optimization/26145
13721 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13724 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13727 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13728 >= 240000 when generating code for SOM runtime.
13729 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13730 to $$dyncall when generating code for SOM runtime..
13732 2006-02-07 Dirk Mueller <dmueller@suse.com>
13735 * doc/invoke.texi (-Wsequence-point): Update documentation
13736 that -Wsequence-point is implemented for C++ as well.
13738 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13740 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13741 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13742 (LIB_SPEC): Likewise.
13743 * doc/invoke.texi (SPARC options): Document -pthread.
13745 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13747 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13750 2006-02-07 Roger Sayle <roger@eyesopen.com>
13752 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13753 Correct comment describing BOOLEAN_TYPE.
13755 2006-02-07 Dirk Mueller <dmueller@suse.com>
13757 * c.opt: C++ frontend supports -Wdiv-by-zero.
13758 * c-opts.c (c_common_handle_option): Remove dead case.
13760 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13762 * configure.ac (TLS assembler check): Do not enable TLS by
13763 default on SPARC/Solaris before version 10.
13764 * configure: Regenerate.
13766 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13768 * doc/invoke.texi (xl-compat): Document conversion and support
13771 2006-02-07 Jeff Law <law@redhat.com>
13773 * tree-vrp.c (find_conditional_asserts): Update comments.
13774 (simplify_stmt_for_jump_threading): New.
13775 (identify_jump_threads, finalize_jump_threads): New.
13776 (vrp_finalize): Call identify_jump_threads.
13777 (execute_vrp): Call finalize_jump_threads.
13778 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13779 (vrp_element, vrp_data, vrp_element_p): Remove.
13780 (vrp_hash_elt, vrp_variables_stack): Remove.
13781 (vrp_hash, vrp_eq, record_range): Remove.
13782 (simplify_cond_and_lookup_avail_expr): Remove.
13783 (extract_range_from_cond): Remove.
13784 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13785 (simplify_stmt_for_jump_threading): New.
13786 (dom_thread_across_edge): New wrapper.
13787 (tree_ssa_dominator_optimize): No longer initialize or
13788 finalize any of the VRP datastructures. Remove iteration
13789 step and simplify as a result of removal of iteration step.
13790 (pass_dominator): Perform a cfg cleanup after DOM.
13791 (dom_opt_finalize_block): Use the new common routines
13792 for threading jumps. Simplify stack management slightly.
13793 No longer need to unwind VRP state.
13794 (record_equivalences_from_incoming_edge): No longer record
13796 (eliminate_redundant_computations): No longer call
13797 simplify_cond_and_lookup_avail_expr.
13798 * tree-flow.h (potentially_threadable_block): Prototype.
13799 (thread_across_edge): Likewise.
13800 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13801 (tree-ssa-threadedge.o): Add dependencies.
13802 * tree-ssa-threadedge.c: New file.
13803 * passes.c (init_optimization_passes): Merge PHIs before
13804 calling VRP. Run VRP again late in the SSA optimization pipeline.
13806 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13808 * df-core.c (df_set_blocks): Do not dereference function pointers.
13809 (df_finish1): Likewise.
13810 (df_hybrid_search_forward): Likewise.
13811 (df_hybrid_search_backward): Likewise.
13812 (df_iterative_dataflow): Likewise.
13813 (df_analyze_problem): Likewise.
13814 (df_compact_blocks): Likewise.
13815 (df_dump): Likewise.
13816 * df-scan.c (df_rescan_blocks): Likewise.
13817 (df_record_entry_block_defs): Likewise.
13819 * genconditions.c (write_conditions): Guard the definition of
13820 'insn_conditions' with the check on GCC version.
13821 (write_writer): Guard the traversal 'insn_conditions' with
13822 the check on GCC version.
13824 2006-02-07 Richard Guenther <rguenther@suse.de>
13828 2006-01-30 Richard Guenther <rguenther@suse.de>
13830 * gimplify.c (gimplify_target_expr): Handle easy cases
13831 without creating a temporary.
13833 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13835 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13836 use of float in probability computations. Use edge probabilities
13837 in place of statically computed probabilities.
13838 (min_spec_prob): New static variable.
13839 (schedule_insns): Initialize it.
13840 (GET_SRC_PROB): Removed.
13841 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13843 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13846 * config/ia64/unwind-ia64.c: Revert last change.
13847 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13848 (INCOMING_FRAME_SP_OFFSET): Define.
13850 2006-02-06 Roger Sayle <roger@eyesopen.com>
13852 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13854 2006-02-07 Ben Elliston <bje@au.ibm.com>
13856 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13857 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13858 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13859 (ix86_return_in_memory): Handle TDmode.
13860 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13861 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13863 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13865 * reorg.c (dbr_schedule): Use dump_file instead of file.
13867 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13870 * config/ia64/predicates.md (extr_len_operand): New predicate.
13871 * config/ia64/ia64.md (extv): Tighten constraints.
13873 (*tbit_and_2): Ditto.
13874 (*tbit_and_3): Ditto.
13875 (*tbit_or_2): Ditto.
13876 (*tbit_or_3): Ditto.
13877 (*bit_zero): Ditto.
13880 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13883 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13885 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13887 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13888 loop_optimizer_init and loop_optimizer_finalize
13889 * tree-ssa-sink.c (execute_sink_code): Ditto.
13890 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13891 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13892 tree_ssa_loop_done): Ditto.
13893 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13894 * sched-ebb.c: Include output.h.
13895 (schedule_ebbs): Do not use dump argument.
13896 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13897 * loop.c (loop_dump_stream): Removed.
13898 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13900 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13901 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13902 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13903 loop_iterations, strength_reduce, record_biv, record_giv,
13904 final_giv_value, check_final_value, check_ext_dependent_givs,
13905 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13906 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13907 dump_file instead of loop_dump_stream.
13908 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13909 argument dump_file.
13910 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13912 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13913 * haifa-sched.c: Include output.h
13914 (schedule_insns, sched_init): Do not use dump argument.
13915 * mode-switching.c (optimize_mode_switching): Ditto.
13916 * modulo-sched.c (stats_file): Removed.
13917 (print_node_sched_params): Do not call argument dump_file.
13918 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13919 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13921 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13923 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13924 rtl_loop_init, rtl_loop_done): Ditto.
13925 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13926 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13928 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13929 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13930 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13931 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13932 * emit-rtl.c (renumber_insns): Ditto.
13933 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13934 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13935 * regclass.c (regclass): Ditto.
13936 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13937 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13938 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13939 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13941 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13942 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13944 * gcse.c (gcse_file, debug_stderr): Removed.
13945 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13946 rest_of_handle_gcse): Do not use dump argument.
13947 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13948 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13949 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13950 compute_code_hoist_vbeinout, compute_code_hoist_data,
13951 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13952 compute_store_table, build_store_vectors, insert_insn_start_bb,
13953 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13954 store_motion): Use dump_file instead of gcse_file.
13955 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13956 * profile.c (profile_dump_file): Removed.
13957 (branch_prob): Use dump_file instead of profile_dump_file.
13958 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13960 * tree-ssa-copy.c (dump_copy_of): Ditto.
13961 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13962 dump file to life_analysis.
13963 * bt-load.c (branch_target_load_optimize): Ditto.
13964 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13966 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13967 regclass, dbr_schedule): Declaration changed.
13968 * sched-int.h (sched_init): Declaration changed.
13969 * tree-profile.c (tree_profile_dump_file): Removed.
13970 (tree_profile_hooks): Removed profile_dump_file hook.
13971 * rtl-profile (rtl_profile_dump_file): Removed.
13972 (rtl_profile_hooks): emoved profile_dump_file hook.
13973 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13975 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13976 * tree-cfg.c (build_tree_cfg): Ditto.
13977 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13978 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13979 Declaration changed.
13980 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13981 life_analysis and schedule_insns.
13982 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13984 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13986 * config/mips/mips.c (mips_reorg): Ditto.
13987 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13990 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13992 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13993 (s390_mangle_fundamental_type): New.
13994 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13997 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13998 (alpha_mangle_fundamental_type): New.
13999 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14002 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14004 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14006 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14007 (sparc_mangle_fundamental_type): New.
14009 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14011 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14012 (s390x-*-linux*): Likewise.
14013 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14014 * config/s390/t-linux: New file.
14016 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14018 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14019 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14021 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14023 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14024 (ANTIC_SAFE_LOADS): New macro.
14025 (find_or_generate_expression): Add prototype.
14026 (set_contains_value): Allow null set for sake of not always having
14027 to allocate ANTIC_SAFE_LOADS.
14028 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14029 Allow COMPONENT_REF too.
14030 (valid_in_set): Allow COMPONENT_REF.
14031 Check ANTIC_SAFE_LOADS too.
14032 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14033 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14035 (can_PRE_operation): Add COMPONENT_REF.
14036 (create_component_ref_by_pieces): New function.
14037 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14038 (insert_aux): Move AGGREGATE_TYPE_P check here.
14039 (compute_avail): Set bb local stmt uids.
14040 (pass_pre): Use TODO_update_ssa_only_virtuals.
14042 2006-02-06 Ben Elliston <bje@au.ibm.com>
14044 * configure.ac: Unconditionally disable decimal float by default.
14045 * configure: Regenerate.
14047 2006-02-06 Ben Elliston <bje@au.ibm.com>
14049 * read-rtl.c (read_name): Terminate reading on EOF.
14051 2006-02-06 Ben Elliston <bje@au.ibm.com>
14053 * dfp.c (decimal_real_arithmetic): Change second argument type
14054 from int to enum tree_code. Do not always return true, but now
14055 return result of any call to decimal_do helper functions.
14056 * dfp.h (decimal_real_arithmetic): Update prototype.
14058 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14060 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14062 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14065 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14068 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14070 * tree-vrp.c (cfg_loops): Removed.
14071 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14072 Use current_loops instead of cfg_loops. Pass flags to
14073 loop_optimizer_init.
14074 * cfgloopmanip.c (fix_loop_structure): Update only available
14076 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14077 loop_optimizer_init.
14078 * modulo-sched.c (build_loops_structure): Removed.
14079 (sms_schedule): Use loop_optimizer_init.
14080 * loop-init.c (loop_optimizer_init): Use flags to determine
14081 which properties of loops to prepare.
14082 (rtl_loop_init): Pass flags to loop_optimizer_init.
14083 * tree-ssa-sink.c (execute_sink_code): Ditto.
14084 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14085 * tree-ssa-pre.c (init_pre): Ditto.
14086 * cfgloop.h (LOOPS_NORMAL): New.
14087 (loop_optimizer_init): Declaration changed.
14089 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14091 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14092 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14094 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14096 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14098 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14099 * pa/t-pa64: Delete quadlib.c rule.
14100 * pa/x-ada: Revert last change.
14101 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14103 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14105 PR rtl-optimization/26087
14106 * rtlanal.c (canonicalize_condition): Do not cross basic block
14109 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14112 * config/ia64/ia64.c: Include debug.h.
14113 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14114 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14115 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14116 (process_epilogue, process_set, process_for_unwind_directive):
14117 Output unwind info only if requested. Add CFA info if requested.
14118 Add new arguments as needed. Adjust callers.
14119 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14121 (DWARF2_FRAME_INFO): Define to zero.
14122 * config/ia64/unwind-ia64.c: Remove code that compensated for
14123 the CFA offset error fixed above.
14124 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14125 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14126 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14127 -funwind-tables and -fexceptions to enable frame info.
14128 (dwarf2out_frame_init): Define initial CFA even if
14129 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14130 DWARF2_UNWIND_INFO is nonzero, not just defined.
14131 (dwarf2out_frame_finish): Output non-EH call frame info only
14132 if DWARF2_FRAME_INFO is nonzero.
14133 (convert_cfa_to_loc_list,
14134 compute_frame_pointer_to_cfa_displacement): Define even if
14135 unwind info is not supported.
14136 (gen_subprogram_die): Use the above unconditionally. Remove
14137 legacy alternate code.
14138 * toplev.c (compile_file): Compile in call to
14139 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14140 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14142 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14143 Jakub Jelinek <jakub@redhat.com>
14145 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14146 IBM extended float format long double as "g" on powerpc*-linux.
14148 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14151 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14152 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14154 2006-02-03 Jason Merrill <jason@redhat.com>
14157 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14159 PR middle-end/25977
14160 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14161 on the return slot if it's an NRV.
14163 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14165 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14166 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14167 rewrite_use): Do not handle USE_OUTER.
14168 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14169 add_iv_outer_candidates, may_replace_final_value,
14170 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14171 (find_interesting_uses_op): Functionality of
14172 find_interesting_uses_outer_or_nonlin moved here.
14173 (find_interesting_uses_outside): Use find_interesting_uses_op.
14175 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14178 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14180 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14181 Ulrich Weigand <uweigand@de.ibm.com>
14184 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14185 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14186 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14187 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14189 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14190 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14191 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14192 Define secondary reloads for TFmode moves.
14193 (constant_modes): Add TFmode.
14194 (NR_C_MODES): Set to 8.
14195 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14197 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14198 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14199 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14200 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14201 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14202 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14203 (FPR mode macro): Add TFmode.
14204 (DSF mode macro): New.
14205 (<de>, <dee> mode attributes): Removed.
14206 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14207 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14208 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14209 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14210 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14211 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14212 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14213 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14214 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14215 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14216 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14217 "*negabs<mode>2", "sqrt<mode>2"):
14218 Changed <de> to <xde>. R constraint replaced by <Rf>.
14219 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14221 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14222 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14223 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14225 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14226 "extenddftf2", "extendsftf2"): New expanders.
14227 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14228 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14229 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14230 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14232 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14233 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14234 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14235 __floatditf): Add a GCC_4.1.0 symbol version tag.
14236 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14239 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14242 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14243 Use targetm.binds_local_p instead of TREE_PUBLIC.
14245 2006-02-02 Roger Sayle <roger@eyesopen.com>
14247 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14248 on INTEGER_TYPEs to indicate that it denotes a character type.
14249 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14250 signed_char_type_node, unsigned_char_type_node and char_type_node.
14251 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14252 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14253 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14255 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14256 Daniel Berlin <dberlin@dberlin.org>
14258 * tree-tailcall.c (arg_needs_copy_p): New function.
14259 (eliminate_tail_call): Use arg_needs_copy_p.
14260 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14261 (add_virtual_phis): New function.
14263 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14265 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14266 #ignore instead of #scratch for %g7 .register directive.
14268 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14270 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14273 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14275 * flow.c (calculate_global_regs_live): Assert that there aren't any
14278 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14280 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14281 what its name says.
14282 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14283 bsi_after_labels iterator.
14284 * tree-if-conv.c (find_phi_replacement_condition,
14285 replace_phi_with_cond_modify_expr): Likewise.
14286 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14287 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14289 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14291 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14293 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14296 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14297 array after growing it.
14299 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14301 PR middle-end/24901
14302 * fold-const.c (fold_checksum_tree): Change type of buf.
14304 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14306 * reload.c (push_secondary_reload): Initialize t_icode.
14308 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14310 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14311 -msoft-float -mlong-double-128 only issue a warning, but don't
14312 swich to DFmode long double.
14314 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14316 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14317 has a constant equivalent, iterate over equivalents for arg0,
14318 calling simplify_relational_operation and if there's a result
14319 cheaper than X, apply fold_rtx and return the result.
14321 2006-02-01 Jan Hubicka <jh@suse.cz>
14323 * opts.c (no_unit_at_a_time_default): New global variable.
14324 (decode_options): Use it.
14325 * opts.h (no_unit_at_a_time_default): Declare.
14327 2006-02-01 Paul Brook <paul@codesourcery.com>
14329 * function.c (assign_parm_setup_reg): Use function argument promotion
14331 * expr.c (expand_expr_real_1): Use function argument promotion rules
14334 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14336 * gcc.c (process_command): Change j to 'unsigned int'.
14338 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14340 PR middle-end/26001
14341 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14342 Use the corrected index for the character
14343 out of the string constant.
14345 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14347 * mode-switching.c (optimize_mode_switching): Fix size
14348 allocated for bb_info[n_entities].
14350 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14352 * gcc.c (main): Correct type that is allocated for
14353 explicit_link_files.
14355 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14357 * config/s390/s390.c (init_alignment_context): Set
14358 ALIAS_SET_MEMORY_BARRIER on the MEM.
14359 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14361 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14363 PR middle-end/25933
14364 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14366 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14369 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14371 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14372 * regrename.c: Ditto.
14373 * tree-ssa-loop-im.c: Ditto.
14374 * tree-dump.c: Ditto.
14375 * tree-complex.c: Ditto.
14376 * genrecog.c: Ditto.
14377 * tree-ssa-threadupdate.c: Ditto.
14379 * java/class.c: Ditto.
14380 * java/jcf-parse.c: Ditto.
14381 * java/resource.c: Ditto.
14382 * java/except.c: Ditto.
14383 * java/jvspec.c: Ditto.
14384 * java/jcf-write.c: Ditto.
14385 * java/jcf-path.c: Ditto.
14386 * java/gjavah.c: Ditto.
14387 * java/zextract.c: Ditto.
14388 * java/jcf-io.c: Ditto.
14389 * java/jcf.h: Ditto.
14390 * java/buffer.c: Ditto.
14391 * java/lang.c: Ditto.
14392 * java/parse-scan.y: Ditto.
14393 * java/lex.c: Ditto.
14394 * java/lex.h: Ditto.
14395 * cfgloopmanip.c: Ditto.
14396 * postreload-gcse.c: Ditto.
14397 * tree-ssa-loop-manip.c: Ditto.
14398 * postreload.c: Ditto.
14399 * tree-ssa-loop-ch.c: Ditto.
14402 * cppspec.c: Ditto.
14403 * diagnostic.c: Ditto.
14405 * genoutput.c: Ditto.
14407 * cfghooks.c: Ditto.
14408 * cfgloopanal.c: Ditto.
14409 * objc/objc-act.c: Ditto.
14411 * genextract.c: Ditto.
14412 * genautomata.c: Ditto.
14413 * pretty-print.c: Ditto.
14414 * genemit.c: Ditto.
14415 * cgraphunit.c: Ditto.
14417 * df-scan.c: Ditto.
14418 * haifa-sched.c: Ditto.
14419 * dominance.c: Ditto.
14421 * tree-ssa-loop-ivopts.c: Ditto.
14422 * df-core.c: Ditto.
14423 * mode-switching.c: Ditto.
14424 * modulo-sched.c: Ditto.
14426 * ipa-pure-const.c: Ditto.
14428 * fix-header.c: Ditto.
14430 * tree-stdarg.c: Ditto.
14431 * ipa-utils.c: Ditto.
14432 * loop-init.c: Ditto.
14433 * ipa-inline.c: Ditto.
14434 * cfganal.c: Ditto.
14436 * alloc-pool.c: Ditto.
14437 * dwarf2out.c: Ditto.
14439 * genattrtab.c: Ditto.
14440 * tree-ssa-loop-ivcanon.c: Ditto.
14441 * predict.c: Ditto.
14442 * timevar.c: Ditto.
14444 * fortran/gfortranspec.c: Ditto.
14445 * regmove.c: Ditto.
14446 * local-alloc.c: Ditto.
14447 * langhooks.c: Ditto.
14448 * function.c: Ditto.
14449 * tree-vectorizer.c: Ditto.
14451 * ipa-type-escape.c: Ditto.
14453 * tree-if-conv.c: Ditto.
14454 * profile.c: Ditto.
14456 * tree-data-ref.c: Ditto.
14457 * loop-unroll.c: Ditto.
14458 * treelang/treetree.c: Ditto.
14460 * bt-load.c: Ditto.
14461 * ggc-common.c: Ditto.
14463 * coverage.c: Ditto.
14465 * tree-cfgcleanup.c: Ditto.
14466 * tree-ssa-pre.c: Ditto.
14467 * cfgcleanup.c: Ditto.
14468 * loop-invariant.c: Ditto.
14469 * loop-iv.c: Ditto.
14470 * ipa-prop.c: Ditto.
14471 * print-tree.c: Ditto.
14472 * conflict.c: Ditto.
14473 * ggc-page.c: Ditto.
14474 * sched-deps.c: Ditto.
14475 * regclass.c: Ditto.
14476 * tree-object-size.c: Ditto.
14477 * combine.c: Ditto.
14478 * bb-reorder.c: Ditto.
14479 * resource.c: Ditto.
14480 * var-tracking.c: Ditto.
14481 * cfgloop.c: Ditto.
14482 * df-problems.c: Ditto.
14483 * reg-stack.c: Ditto.
14485 * gccspec.c: Ditto.
14486 * sched-rgn.c: Ditto.
14487 * tree-ssa-structalias.c: Ditto.
14488 * tree-ssa-reassoc.c: Ditto.
14489 * config/darwin-c.c: Ditto.
14490 * config/darwin.c: Ditto.
14491 * config/arm/arm.c: Ditto.
14493 * collect2.c: Ditto.
14494 * reload1.c: Ditto.
14496 2006-01-31 Nicolas Pitre <nico@cam.org>
14498 * arm.md (smaxsi3): Make aware of smax_m1.
14501 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14503 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14505 2006-01-31 Richard Guenther <rguenther@suse.de>
14507 * doc/invoke.texi (-msselibm): Document.
14508 * target.h (expand_library_builtin): New target hook.
14509 * builtins.c (expand_builtin): Use expand_library_builtin.
14510 (default_expand_library_builtin): New function.
14511 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14512 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14513 (link_gcc_math_spec): Declare.
14514 (static_specs): Add link_gcc_math_spec.
14515 * expr.h (default_expand_library_builtin): Declare.
14516 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14517 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14518 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14519 * config/i386/i386.opt (msselibm): New target option.
14520 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14521 (ix86_init_sse_abi_builtins): New function.
14522 (ix86_expand_library_builtin): Likewise.
14523 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14524 (override_options): Handle error conditions wrt -msselibm.
14525 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14526 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14527 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14530 2006-01-31 Richard Guenther <rguenther@suse.de>
14531 Paolo Bonzini <bonzini@gnu.org>
14533 * doc/install.texi (--disable-libgcc-math): Document.
14535 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14537 * expr.h (expand_normal): new inline function.
14538 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14539 * dojump.c: use it.
14540 * dwarf2out.c: use it.
14543 * expmed.c: use it.
14544 * except.c: use it.
14545 * config/sparc/sparc.c: use it.
14546 * config/i386/i386.c: use it.
14547 * config/rs6000/rs6000.c: use it.
14548 * config/arm/arm.c: use it.
14549 * config/mips/mips.c: use it.
14550 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14552 2006-01-30 Roger Sayle <roger@eyesopen.com>
14554 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14555 argv to the appropriate type.
14557 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14559 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14562 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14565 * config/s390/s390.c (struct machine_function): New flag
14566 decomposed_literal_pool_addresses_ok_p.
14567 (s390_reorg): Set it before final stage of literal pool transforms.
14568 (s390_decompose_address): Only accept displacements of the form
14569 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14571 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14573 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14574 the comparison routine return.
14576 2006-01-30 Michael Matz <matz@suse.de>
14578 * global.c (find_reg): Only evict for global regs.
14579 Take n_refs into account and dump more info.
14581 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14584 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14585 (pragma_trap, pragma_nosave_low_regs): Likewise.
14586 (current_function_anonymous_args): Likewise.
14587 (sh_deferred_function_attributes): New variable.
14588 (sh_deferred_function_attributes_tail): Likewise.
14589 (print_operand): For '@', look up trap_exit attribute.
14590 (calc_live_regs): Look up trapa_handler attribute. For trapa
14591 handlers, save/restore fpscr, but don't do any other
14592 interrupt-specific saves.
14593 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14594 Fix check for partially saved registers to check for SHmedia.
14595 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14596 (sh_output_function_epilogue): Don't clear any of the removed
14598 (sh_insert_attributes): Don't check pragma_interrupt.
14599 Insert deferred attributes. Check that interrupt attribute is
14600 present for other attributes that require its presence.
14601 (sh_attribute_table): Add new attributes trapa_handler and
14603 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14604 Don't check for pragma_interrupt. Don't store argument.
14605 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14606 (sh_deferred_function_attributes): Declare.
14607 (sh_deferred_function_attributes_tail): Likewise.
14608 * sh.md (sp_switch_1): Add operand. Change generator caller.
14609 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14610 (*return_i): Don't use when trap_exit attribute is in effect.
14611 (*return_trapa): New insn pattern.
14612 * sh-c.c: New file.
14613 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14614 setting c_target_objs and cxx_target_objs.
14615 * t-sh: Add rule for sh-c.o.
14617 2006-01-30 Richard Guenther <rguenther@suse.de>
14620 * gimplify.c (gimplify_target_expr): Handle easy cases
14621 without creating a temporary.
14623 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14625 * vec.h (safe_grow): Remove duplicated line.
14627 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14630 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14631 (expand_omp): ... here.
14632 (expand_omp_parallel): Only remove barriers for combined
14633 parallel+workshare constructs.
14635 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14639 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14640 * tree.c (build_qualified_type): Chain the new type to the original
14641 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14642 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14643 (build_pointer_type_for_mode): Only return unqualified types.
14644 (build_reference_type_for_mode): Likewise.
14646 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14648 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14649 * Makefile.in (CXX_COMPAT_WARN): Define.
14650 * configure: Regenerate.
14652 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14655 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14658 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14660 * toplev.c: Fix thinko.
14662 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14663 Marcin Dalecki <martin@dalecki.de>
14665 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14666 (push_srcloc): Use XNEW.
14667 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14669 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14671 * df-core.c (df_set_blocks): Deleted all variable.
14673 2006-01-28 Ian Lance Taylor <ian@airs.com>
14675 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14676 cgraph_output_pending_asms.
14678 2006-01-28 Zack Weinberg <zackw@panix.com>
14680 * c.opt: Add -W(no-)overlength-strings.
14681 * doc/invoke.texi: Document it.
14682 * c-opts.c (c_common_handle_option): -pedantic implies
14683 -Woverlength-strings, if not explicitly disabled already.
14684 (c_common_post_options): -Woverlength-strings defaults to off, and
14685 is always off for C++.
14686 * c-common.c (fix_string_type): Issue warning about strings longer
14687 than is portable only if warn_overlength_strings. Rearrange code
14688 a little for clarity.
14689 * configure.in: Check for -Wno-overlength-strings as well before
14690 enabling -pedantic in stage 1.
14691 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14692 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14694 * genconditions.c (write_header, write_one_condition)
14695 (write_conditions, write_writer): Consolidate very long strings
14696 that were broken up to fit in C89 portable limit. Don't use
14697 printf when fputs will do.
14699 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14701 * combine.c (simplify_comparison <AND>): Check
14702 TRULY_NOOP_TRUNCATION before start using a subreg.
14704 * config/mips/mips.md (*branch_zero<mode>,
14705 *branch_zero<mode>_inverted, *branch_equality<mode>,
14706 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14707 Remove mode check from comparisons.
14709 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14711 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14713 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14715 * expmed.c (const_mult_add_overflow_p): Remove.
14716 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14718 * recog.c (validate_replace_rtx_subexp): Remove.
14719 * recog.h: Remove the prototype for
14720 validate_replace_rtx_subexp.
14722 * integrate.h: Remove the prototype for
14723 copy_decl_for_inlining.
14724 * rtl.h: Remove the prototype for mark_constant_function.
14725 * tree-vectorizer.h: Remove the prototype for
14726 vect_strip_conversion.
14728 * modulo-sched.c (create_partial_schedule,
14729 free_partial_schedule, reset_partial_schedule): Make them
14732 * hooks.c (hook_bool_rtx_int_false): Remove.
14733 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14735 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14737 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14738 and -mlong-double-128 are incompatible.
14739 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14740 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14741 (TARGET_LIBGCC2_CFLAGS): Define.
14742 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14743 (TARGET_LIBGCC2_CFLAGS): Same.
14744 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14746 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14749 * c-typeck.c (build_binary_op): Perform implicit casts of
14750 operands before shortening them.
14752 * cfgloopmanip.c (split_loop_bb): Remove.
14753 * cfgloop.h: Remove the prototype for split_loop_bb.
14755 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14756 * cfgloop.h: Remove the prototype for
14757 flow_loop_outside_edge_p.
14759 * emit-rtl.c (init_virtual_regs): Make it static.
14760 * function.h: Remove the prototype for init_virtual_regs.
14762 * recog.c (peephole2_optimize): Make it static.
14763 * recog.h: Remove the prototype for peephole2_optimize.
14765 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14767 * df-scan.c (df_record_entry_block_defs): Check if
14768 INCOMING_RETURN_ADDR_RTX is defined.
14770 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14771 Kenneth Zadeck <zadeck@naturalbridge.com>
14773 PR rtl-optimization/24762
14774 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14775 * targhooks.c (hook_void_bitmap): New hook prototype.
14776 * targhoohs.h (hook_void_bitmap): Ditto.
14777 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14778 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14779 * target.h (live_on_entry): New function pointer.
14780 * df-scan.c (df_all_hard_regs): Removed.
14781 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14782 (df_scan_free_internal): Added df->entry_block_defs.
14783 (df_scan_alloc): Ditto.
14784 (df_scan_dump): Ditto.
14785 (df_uses_record): Plumbed flag field properly thru calls.
14786 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14787 This part fixes PR24762.
14788 (df_bb_refs_record): Added code to make the frame and arg
14789 pointers live in EH blocks.
14790 (df_refs_record): Added call to df_record_entry_block_defs.
14791 (df_record_entry_block_defs): New function.
14792 * df-core.c: Added comments to describe new artifical defs.
14793 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14794 (entry_block_defs): New field in struct df.
14795 (df_all_hard_regs): Deleted.
14796 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14797 * df-problems.c (df_ru_bb_local_compute_process_def):
14798 Added code to handle artifical defs in the entry to a function.
14799 (df_ru_bb_local_compute): Ditto.
14800 (df_rd_bb_local_compute_process_def): Ditto.
14801 (df_rd_bb_local_compute): Ditto.
14802 (df_lr_bb_local_compute): Ditto.
14803 (df_ur_bb_local_compute): Ditto.
14804 (df_urec_bb_local_compute): Ditto.
14805 (df_chain_create_bb): Ditto.
14806 (df_ur_local_finalize): Removed entry.
14807 (df_urec_init): Ditto.
14808 (df_urec_local_finalize): Ditto.
14809 (df_ri_bb_compute): Added detection of last use of pseudos.
14810 * Makefile.in (df-scan.o): Updated dependencies.
14811 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14812 * config/mips/mips.c (mips_set_live_on_entry): Added.
14813 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14815 * dce.c (marked_insn_p): Added code to handle artifical defs.
14817 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14819 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14821 (_mm_cvtsi128_si64): Likewise.
14822 (_mm_cvtsd_si64): Likewise.
14823 (_mm_cvttsd_si64): Likewise.
14824 (_mm_cvtsi64_sd): Likewise.
14825 (_mm_cvtsi64_si128): Likewise.
14826 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14827 (_mm_cvtsi64_m64): Likewise.
14828 (_m_to_int64): Likewise.
14829 (_mm_cvtm64_si64): Likewise.
14830 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14831 (_mm_cvttss_si64): Likewise.
14832 (_mm_cvtsi64_ss): Likewise.
14833 (_mm_cvtss_f32): Likewise.
14835 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14837 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14838 for pragma redefine_extname.
14840 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14843 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14844 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14845 -mno-minimal-toc to previous content.
14846 (bispecs): Remove goal.
14847 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14848 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14849 compatibility aliases on powerpc-*-*gnu*.
14850 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14851 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14852 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14853 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14854 (ldblspecs): New goal.
14855 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14856 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14858 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14859 L_sf_to_tf or L_df_to_tf is defined.
14861 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14862 Alan Modra <amodra@bigpond.net.au>
14865 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14866 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14867 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14868 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14869 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14870 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14871 (rs6000_override_options): Initialize rs6000_ieeequad.
14872 Initialize TFmode format to ibm_extended_format if not
14874 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14876 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14877 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14878 (function_arg_advance): IBM long double passed in two FPRs, not
14880 (function_arg): IBM long double passed in FPRs.
14881 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14882 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14883 Only multireg GPR aligned.
14884 (rs6000_init_libfuncs): Enable IBM long double functions if not
14886 (rs6000_generate_compare): Use IBM long double compare if not
14888 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14889 (TARGET_IEEEQUAD): Define.
14890 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14891 not TARGET_IEEEQUAD.
14892 * config/rs6000/rs6000.md: Enable TFmode patterns if
14894 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14895 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14896 and -mlong-double-128 are incompatible.
14897 * doc/invoke.texi (-mabi): Collect options together. Add
14898 ibmlongdouble and ieeelongdouble.
14900 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14902 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14904 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14905 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14906 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14907 * rtl.h (rtunion_def): Remove rt_ptr.
14909 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14910 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14911 * config/i386/winnt.c (i386_pe_mark_dllexport)
14912 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14914 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14916 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14918 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14922 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14923 pthread_key_delete. From John David Anglin. gthrw-ify
14924 pthread_getunique_np only if it it's not a macro. Delete
14926 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14927 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14928 __gthread_objc_condition_signal, __gthread_key_delete): Add
14929 "__attribute__ ((__unused__))" to unused arguments.
14930 (__gthread_recursive_mutex_init_function): Add missing return.
14931 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14932 gthr-posix95.h: Use macro-based approach for name redirection
14933 on targets missing weakref.
14935 2006-01-26 Zack Weinberg <zackw@panix.com>
14937 * genconditions.c (write_header): In generated code, #ifdef out
14938 all includes and fake declarations, except includes of bconfig.h
14939 and system.h, unless GCC_VERSION >= 3001. Do not include
14940 gensupport.h in any case.
14941 (write_conditions): Generate a definition of struct c_test. Add
14942 a comment to the generated #endif.
14943 (write_one_condition): Escape backslashes in string too.
14944 (write_writer): Generated code must escape backslashes and quote
14945 marks (but not newlines) in the strings it writes.
14946 * Makefile.in (build/gencondmd.o): Update dependencies.
14948 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14951 * Makefile.in (insn-automata.o): Add header file dependencies.
14952 * genautomata.c: Add includes.
14954 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14957 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14959 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14961 * configure.ac: Expect target tools paths to be passed from the toplevel
14962 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14964 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14966 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14969 * c.opt (Wpointer-sign): Init to -1.
14970 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14971 OPT_pedantic, to 0 otherwise.
14972 * doc/invoke.texi: Update.
14974 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14976 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14977 constants provided by 80387 instructions in the destination mode.
14979 2006-01-26 Richard Guenther <rguenther@suse.de>
14980 Andrew Pinski <pinskia@physics.uc.edu>
14983 partial PR tree-opt/17064
14984 * tree-ssa-structalias.c (intra_create_variable_infos):
14985 Create heap variables for incoming parameters if
14986 flag_argument_noalias > 1.
14987 (find_what_p_points_to): Look through default defs of
14990 2006-01-26 Jeff Law <law@redhat.com>
14993 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14994 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14995 within the VR_RANGE, use the VR_RANGE as the result, not the
14997 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14998 bounds for the type.
15000 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15002 * tree-ssa-alias.c (maybe_create_global_var): Change
15003 subvar walking to an assertion that we don't have subvar'd variables.
15005 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15008 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15009 Use a new variable, inner. PARM_DECLs are always non-weak.
15011 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15013 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15014 --disable-checking.
15016 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15018 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15020 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15022 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15023 (smax_insn, smin_insn, smax_0, smin_0): New.
15025 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15028 * config/cris/cris.c (cris_order_for_addsi3): New function.
15029 * config/cris/cris-protos.h: Prototype it.
15030 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15031 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15032 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15033 (split for "op.S1 [rx=rx+i],ry (swapped)")
15034 (split for "op(s|u).S1 [rx=rx+i],ry")
15035 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15036 Apply cris_order_for_addsi3 when generating addsi3 insns.
15038 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15040 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15041 (TREE_BLOCK): Add call to EXPR_CHECK.
15043 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15046 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15047 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15048 (dump_omp_clauses): ... here.
15049 (dump_generic_node): Handle OMP_CLAUSE.
15050 * tree.c (omp_clause_num_ops): New.
15051 (omp_clause_code_name): New.
15052 (tree_code_size): Handle OMP_CLAUSE.
15053 (tree_size): Likewise.
15054 (make_node): Document handling of OMP_CLAUSE.
15055 (tree_node_structure): Handle OMP_CLAUSE.
15056 (omp_clause_check_failed): New.
15057 (omp_clause_range_check_failed): New.
15058 (omp_clause_operand_check_failed): New.
15059 (build_omp_clause): New.
15060 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15061 * tree.h (enum omp_clause_code): Declare.
15062 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15063 (OMP_CLAUSE_RANGE_CHECK): Define.
15064 (OMP_CLAUSE_ELT_CHECK): Define.
15065 (omp_clause_check_failed): Declare.
15066 (omp_clause_operand_check_failed): Declare.
15067 (omp_clause_range_check_failed): Declare.
15068 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15069 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15070 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15071 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15072 (OMP_CLAUSE_IF_EXPR): Likewise.
15073 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15074 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15075 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15076 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15077 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15078 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15079 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15080 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15081 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15082 (OMP_CLAUSE_CODE): Define.
15083 (OMP_CLAUSE_SET_CODE): Define.
15084 (OMP_CLAUSE_CODE): Define.
15085 (OMP_CLAUSE_OPERAND): Define.
15086 (struct tree_omp_clause): Declare.
15087 (union tree_node): Add field 'omp_clause'.
15088 * treestruct.def (TS_OMP_CLAUSE): Define.
15089 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15090 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15091 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15092 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15093 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15094 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15095 (OMP_CLAUSE): Define.
15096 * print-tree.c (print_node): Handle OMP_CLAUSE.
15097 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15098 * c-typeck.c: Likewise.
15099 * gimplify.c: Likewise.
15100 * c-omp.c: Likewise.
15101 * tree-nested.c: Likewise.
15102 * tree-inline.c: Likewise.
15103 * c-parser.c: Likewise.
15104 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15107 2006-01-25 Roger Sayle <roger@eyesopen.com>
15109 PR rtl-optimization/25703
15110 * combine.c (try_combine): Handle zero_extract and strict_low_part
15111 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15113 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15115 * global.c: Fix comment typos.
15117 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15120 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15121 Use output_addr_const instead of assemble_name.
15123 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15125 * Makefile.in (sched-vis.o): Update dependencies.
15126 * haifa-sched.c (sched_finish): Clear current_sched_info.
15127 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15128 (dump_flow_info): Call it.
15129 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15131 * basic-block.h (dump_bb_info): Declare.
15132 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15133 option, and apply options only for dump files whose TDF_RTL,
15134 TDF_TREE, or TDF_IPA bits match.
15135 * rtl.h: Declare new functions exported from sched-vis.c.
15136 * sched-vis.c: Enable also if scheduling is not used.
15137 (print_value): Print the mode of registers if not inside scheduling.
15138 (print_insn): Make it work outside the scheduler. Beautify the output
15140 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15142 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15144 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15145 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15146 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15147 depending on the value of CONSTANT_POOL_ADDRESS_P.
15148 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15150 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15151 rather than SYMBOL_REF_DECL.
15152 (rtx_constant_pool): Remove const_rtx_sym_htab.
15153 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15154 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15155 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15156 Remove handling of const_rtx_sym_htab.
15157 (find_pool_constant): Delete.
15158 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15159 rather than find_pool_constant.
15160 (get_pool_constant_for_function): Delete.
15161 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15162 find_pool_constant.
15163 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15164 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15165 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15166 (SYMBOL_REF_CONSTANT): New macro.
15167 (get_pool_constant_for_function): Delete.
15168 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15169 rather than SYMBOL_REF_DECL.
15170 (i386_pe_mark_dllimport): Likewise.
15171 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15172 rather than SYMBOL_REF_DECL.
15173 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15174 (machopic_indirect_call_target): Likewise.
15176 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15178 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15180 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15182 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15184 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15186 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15188 2006-01-24 David Daney <ddaney@avtrex.com>
15191 * configure.ac (enable_tls): New enable option.
15192 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15193 * configure: Regenerate.
15194 * doc/install.texi (--enable-tls): Document new option.
15195 (--disable-tls): Ditto.
15197 2006-01-24 Richard Henderson <rth@redehat.com>
15199 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15200 * alias.c (true_dependence): Respect it.
15201 (canon_true_dependence, write_dependence_p): Likewise.
15202 * builtins.c (get_builtin_sync_mem): Set it.
15204 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15206 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15209 2006-01-24 DJ Delorie <dj@redhat.com>
15211 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15212 for storing constants in single-bit bitfields.
15214 2006-01-25 Ben Elliston <bje@au.ibm.com>
15216 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15218 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15221 * tree-ssa-pre.c (phi_translate): Return NULL
15222 for AGGREGATE_TYPE's.
15224 2006-01-24 Zack Weinberg <zackw@panix.com>
15226 * genautomata.c (process_state_for_insn_equiv_partition):
15227 Use xcalloc for insn_arcs_array.
15228 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15229 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15231 2006-01-24 Richard Henderson <rth@redhat.com>
15233 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15234 update all callers.
15236 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15238 PR rtl-optimization/25890
15239 PR rtl-optimization/25905
15240 * combine.c (expand_compound_operation, expand_field_assignment):
15241 Fail if the bitfield's final position is out of bounds.
15243 2006-01-24 Ian Lance Taylor <ian@airs.com>
15245 PR middle-end/25930
15246 * cgraphunit.c (cgraph_output_in_order): Don't clear
15247 cgraph_asm_nodes until after asm strings have been output.
15249 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15251 * fix-header.c (read_scan_file): Add new parameter imultilib when
15252 calling register_include_chains.
15254 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15256 * omp-low.c: Update documentation.
15258 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15259 Daniel Berlin <dberlin@dberlin.org>
15263 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15264 return from the function.
15266 2006-01-22 Zack Weinberg <zackw@panix.com>
15268 * rtl.def (match_code): Add second argument.
15269 * genpreds.c (write_extract_subexp): New function.
15270 (write_match_code): Add path argument. Use write_extract_subexp.
15271 (write_predicate_expr): Pass path to write_match_code.
15272 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15273 not perform a mode test.
15274 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15275 a subexpression does not constrain the top-level code set.
15276 * read-rtl.c (read_rtx_variadic): New function.
15277 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15278 * doc/md.texi: Document new notation.
15279 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15280 (cmpsi_operand): ... here, using new notation.
15282 2006-01-22 Zack Weinberg <zackw@panix.com>
15284 * varray.c: Remove GENERATOR_FILE #ifdefs.
15286 2006-01-22 Zack Weinberg <zackw@panix.com>
15288 * genautomata.c (output_reserved_units_table): Emit nothing if
15289 description->query_units_num is zero. Remove extra blank line.
15290 (output_cpu_unit_reservation_p): Short circuit
15291 if description->query_units_num is zero.
15293 2006-01-22 Zack Weinberg <zackw@panix.com>
15295 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15296 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15297 nor any of the random handful of variables that used to be necessary
15298 when this program was linked with rtlanal.o. Prune set of forward
15299 function declarations.
15300 (struct attr_desc): Remove static_p field.
15301 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15302 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15303 (attr_string): Do not read the character one past the length of
15305 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15306 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15307 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15308 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15309 (make_automaton_attrs): New.
15310 (main): Do not call into genautomata. Call local gen_bypass
15311 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15312 Remove special case for insn_alts.
15313 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15314 varray.h (leftover from previous change). Prune set of forward
15315 function declarations. Remove state_alts fields from all
15316 structures. Remove state_alts_table from struct automaton.
15317 Make everything except main static. Do not maintain num_dfa_decls.
15318 Do not maintain state_alts fields of various structures.
15319 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15320 (add_arc): Remove state_alts argument. All callers updated.
15321 (output_reserved_units_table): Emit #ifdef here...
15322 (output_tables): ...not here. Don't generate state_alts tables.
15323 (expand_automata): Don't generate attributes.
15324 (write_automata): Don't generate state_alts functions.
15325 (main): New function.
15326 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15327 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15328 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15329 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15330 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15331 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15332 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15333 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15335 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15336 * genattrtab.h: Delete file.
15337 * Makefile.in (OBJS-common): Add insn-automata.o.
15338 (insn-automata.o): New rule.
15339 (simple_generated_c): Add insn-automata.c.
15340 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15341 (genprogmd): Add automata.
15342 (build/genattrtab): Needs no extra objects nor libraries.
15343 (build/genautomata): Needs build/vec.o and -lm.
15345 2006-01-22 Zack Weinberg <zackw@panix.com>
15347 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15348 (output_dfa_max_issue_rate, locked_states_num): Delete.
15349 (struct automaton): Add locked_states field.
15350 (output_dead_lock_vect): Save number of locked states in
15351 automaton->locked_states. If it is zero, don't print anything.
15352 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15353 (output_internal_dead_lock_func): Only test the dead_lock_vect
15354 for automata that have locked states.
15355 (output_statistics): Always print the number of locked states for
15356 each automaton. Calculate total number of locked states here.
15357 (write_automata): Don't call output_dfa_max_issue_rate.
15358 * genattrtab.c: Define length_unit_log as a const variable.
15359 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15360 max_insn_queue_index const.
15361 * final.c (length_unit_log): Declare const.
15362 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15364 2006-01-22 Zack Weinberg <zackw@panix.com>
15366 * genautomata.c: Include vec.h, not varray.h.
15367 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15368 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15369 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15370 VEC_* macros operating on appropriately typed vectors, or to
15371 malloced arrays when the size is known in advance. Const-ify
15372 many char* variables and function arguments. No functional changes.
15373 * Makefile.in (build/varray.o): Delete rule.
15374 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15375 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15377 2006-01-22 Zack Weinberg <zackw@panix.com>
15379 * gensupport.c: Define get_insn_name and record_insn_name here.
15380 (read_md_rtx): Call record_insn_name as appropriate.
15381 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15382 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15383 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15385 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15386 (BUILD_VARRAY): Delete.
15387 (genprognormal): Rename genprogmd. Fold in all programs from
15388 genprognoprint; also attrtab.
15389 (build/genattrtab): Just mention genautomata.o and varray.o.
15390 Reorganize a bit, add comments to make the categories clearer.
15392 2006-01-22 Zack Weinberg <zackw@panix.com>
15394 * genconditions.c (condition_table, add_condition): Delete.
15395 (write_conditions): Don't emit n_insn_conditions nor
15396 insn_elision_unavailable. Issue the gcc version #ifdef here,
15397 inside the table, with no #else clause ...
15398 (write_header): ...not here.
15399 (write_writer): New function.
15400 (main): Don't initialize condition_table. Use add_c_test.
15402 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15403 files on the command line.
15404 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15405 Return -1 if there is no entry in the table, don't abort.
15406 (add_c_test, traverse_c_tests): New functions.
15407 * gensupport.h (insn_elision_unavailable, insn_conditions)
15408 (n_insn_conditions): Delete declarations.
15409 (add_c_test, traverse_c_tests): Declare.
15410 * read-rtl.c: Include gensupport.h.
15411 (read_conditions): New function.
15412 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15413 (read_rtx_1): If we get EOF when we were looking for an initial
15414 open paren, return 0. Call read_conditions when appropriate.
15415 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15416 dummy-conditions.o. Eliminate references to insn-conditions.o,
15417 or change them to build/gencondmd.o, as appropriate. Remove
15418 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15419 from $(simple_generated_c). For all files remaining in those
15420 two lists, add insn-conditions.md to the generator command line.
15421 Give insn-constants.h/s-constants their own rules. Add rules
15422 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15423 (build/read-rtl.o): Depend on gensupport.h.
15424 (genprognormal): Include preds.
15425 (genprogearly): Rename genprognoprint; only difference is now that
15426 they don't link with $(BUILD_PRINT).
15427 * dummy-conditions.c: Delete.
15429 2006-01-22 Zack Weinberg <zackw@panix.com>
15431 * genextract.c: Don't include insn-config.h. Do include vec.h.
15432 Declare vectors of int, char, and locstr.
15433 (locstr): New typedef.
15434 (struct extraction): Make all array fields into bare pointers.
15435 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15436 (insn_code_number): Delete.
15437 (accum_extract): New struct.
15438 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15439 (gen_insn): Take insn_code_number as an argument. Use an
15440 accum_extract structure instead of loading data directly into
15441 a struct extraction, and having to know how big it might get.
15442 (walk_rtx): Operate entirely on an accum_extract structure.
15443 (print_path): Avoid unnecessary use of printf.
15444 (print_header): New function, split out of main. Distinguish
15445 more carefully between an unrecognizable insn and an insn that
15446 has the code number of a define_expand.
15447 (main): Pass insn_code_number to gen_insn. Call print_header
15448 only after parsing. Avoid unnecessary use of printf.
15449 * Makefile.in (build/vec.o): New rule.
15450 (build/genextract): Depend on build/vec.o.
15451 (build/genextract.o): Don't depend on insn-config.h.
15453 2006-01-22 Zack Weinberg <zackw@panix.com>
15455 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15456 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15457 practical. Eliminate per-generator-program link rules.
15459 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15461 PR middle-end/24437
15462 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15463 with a call expr to ...
15464 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15466 2006-01-23 Richard Guenther <rguenther@suse.de>
15468 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15469 before make_edge with conditional EDGE_TRUE_VALUE.
15471 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15472 Jan Hubicka <jh@suse.cz>
15473 Richard Guenther <rguenther@suse.de>
15475 PR rtl-optimization/25654
15476 * cfgexpand.c (aggregate_contains_union_type): New function.
15477 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15478 for structure variables that contain a union type.
15480 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15482 * gengtype.c (new_structure): Return the structure.
15483 (create_option): Add an extra "next" argument.
15484 (create_field): New function.
15485 (adjust_field_rtx_def): Use create_option and create_field.
15486 Remove a now-unnecessary call to find_structure.
15487 (adjust_field_tree_def): Likewise.
15488 (note_yacc_type): Remove an unnecessary call to find_structure.
15489 * gengtype.h (new_structure): Return the structure.
15490 (create_option): Add an extra argument.
15491 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15492 (option): Adjust calls to create_option.
15494 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15496 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15498 2006-01-22 Paul Brook <paul@codesourcery.com>
15499 Peter Barada <peter@the-baradas.com>
15501 * config/m68k/m68k.md: Add Coldfire FPU support.
15502 Define FP mode macro and associated attributes.
15503 Use it for float mode patterns.
15504 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15505 (LIBCALL_VALUE): Use m68k_libcall_value.
15506 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15507 (m68k_function_value): Ditto.
15508 (emit_move_sequence): Ditto.
15509 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15510 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15511 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15512 (MULTILIB_EXCEPTIONS): Ditto.
15513 * config/m68k/m68k.opt: Add mcfv4e.
15514 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15515 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15516 (m68k_output_function_prologue): Save ColdFire FPU registers.
15517 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15518 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15519 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15520 ColdFire FPU registers.
15521 (m68k_libcall_value, m68k_function_value): New functions.
15522 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15523 (LIBCALL_VALUE): Use m68k_libcall_value.
15524 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15525 (MASK_COLDFIRE): Add MASK_CFV4E.
15526 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15527 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15528 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15529 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15530 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15531 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15532 * doc/invoke.tex: Document -mcfv4e on m68k.
15534 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15536 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15539 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15542 * c-opts.c (c_common_handle_option): Don't include
15543 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15544 * doc/invoke.texi (C++ Dialect Options): Document that
15545 -Wnon-virtual-dtor is no longer included in -Wall.
15547 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15549 * gcov.c (print_version), gcov-dump.c (print_version),
15550 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15553 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15555 * df-scan.c (problem_SCAN): Added NULL reset function.
15556 (df_scan_reset_blocks): Added code to call reset block function
15557 (df_bb_refs_delete) Fixed comment.
15558 (df_insn_refs_delete): Made tolerant of deleting non existent info
15559 for dataflow problems that need to be reset.
15560 * df-core.c (df_set_blocks): Ditto.
15561 * df.h (struct df_problem): Added reset_fun.
15562 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15563 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15564 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15565 functions to clear out all references to def-use or use-def chains.
15567 2006-01-21 Ben Elliston <bje@au.ibm.com>
15569 * varasm.c (assemble_real): Initialise data array.
15571 2006-01-20 Paul Brook <paul@codesourcery.com>
15573 Merge from csl-arm-branch.
15574 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15575 * config/arm/arm.md (movdi): Force operands[1] to a register
15576 if we have a non-register source.
15577 (*arm_movdi, *movdf_soft_insn): Require that one of the
15578 operands be a register.
15579 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15580 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15582 2006-01-20 DJ Delorie <dj@redhat.com>
15584 * varasm.c (initializer_constant_valid_p): Allow pointers
15585 initialized from integer constants of lesser precision.
15586 (output_constant): Allow non-int-sized pointer modes to be
15587 initialized from integer constants.
15589 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15592 * cppdefault.h (struct default_include): Add multilib flag.
15593 * cppdefault.c (cpp_include_defaults): Set it.
15594 * c.opt (-imultilib): New option.
15595 * c-opts.c (imultilib): New.
15596 (c_common_handle_option): Handle -imultilib.
15597 (c_common_post_options): Likewise.
15598 * c-incpath.c (add_standard_paths, register_include_chains):
15600 * c-incpath.h (register_include_chains): Add extra parameter.
15601 * gcc.c (do_spec_1): Generate -imultilib option.
15602 (The Specs Language): Update %I description.
15603 (process_command): Update copyright notice.
15604 * doc/cppopts.texi (-imultilib): Document.
15605 * doc/invoke.texi (-imultilib): Include in option summary.
15606 (%I): Update specs documentation.
15608 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15610 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15612 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15614 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15617 2006-01-20 Richard Guenther <rguenther@suse.de>
15618 Steven Bosscher <stevenb.gcc@gmail.com>
15620 PR rtl-optimization/24626
15621 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15622 EDGE_TRUE_VALUE if in RTL mode.
15625 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15626 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15628 2006-01-20 Dirk Mueller <dmueller@suse.com>
15631 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15632 instead of a special NOP marker.
15633 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15634 NOP marker handling.
15635 * c-common.h (empty_body_warning): Add forward declaration.
15636 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15637 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15639 2006-01-20 Paul Brook <paul@codesourcery.com>
15641 * Makefile.in (lang_checks): Keep going if mkdir fails.
15643 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15645 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15646 be able to clean out basic block when not necessary.
15647 (df_scan_free): Fixed to properly delete information if df is
15648 unused before calling df_finish.
15649 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15650 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15652 (df_bb_refs_delete): New function.
15653 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15654 * df-core.c (df_set_blocks): Added code to properly clean out
15655 unused blocks if they are not part of the blocks to consider.
15656 Added additional null check.
15657 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15658 be able to clean out basic block when not necessary
15659 * df.h (df_free_bb_function): Ditto.
15660 (df_bb_refs_delete): New function.
15661 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15662 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15663 basic block parameter to be able to clean out basic block when not
15665 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15666 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15667 Fixed to properly delete information if df is unused before
15670 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15672 PR rtl-optimization/25799
15673 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15674 Corrected confluence operator to remove bits from op2 before oring
15675 with op1 rather than removing bits from op1.
15676 (df_ru_transfer_function): Corrected test on wrong bitmap which
15677 caused infinite loop. Both of these problems were introduced in
15678 the dataflow rewrite.
15680 2006-01-19 DJ Delorie <dj@redhat.com>
15682 * reload1.c (find_reload_regs): Note the details of reload
15683 failures in the dump file.
15684 (spill_failure): Likewise.
15686 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15688 * loop-iv.c: Include df.h and hashtab.h.
15689 (enum iv_grd_result): New enum.
15690 (DF_REF_IV, DF_REF_IV_SET): New macros.
15691 (struct biv_entry): New.
15692 (df, bivs): New global variables.
15693 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15694 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15696 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15697 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15698 analyzed_for_bivness_p, record_biv): New functions.
15699 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15700 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15701 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15703 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15705 (iv_number_of_iterations): Use new interface to iv analysis.
15706 * loop-unroll.c: Do not include varray.h.
15707 (analyze_iv_to_split_insn): Use new interface to iv
15709 * loop-unswitch.c (may_unswitch_on): Ditto.
15710 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15712 (df_bb_modify): Realloc tables to the new index.
15713 (df_find_use): New function.
15714 * df.h (df_find_use): Declare.
15715 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15717 * cfgloop.h (struct rtx_iv): Remove analysed field.
15718 (iv_get_reaching_def): Removed.
15719 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15720 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15721 (loop-iv.o): Add df.h and hashtab.h dependency.
15722 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15724 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15727 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15729 (__floatundisf, __floatundidf): Likewise.
15730 * libgcc2.h (IS_IBM_EXTENDED): Define.
15732 2006-01-19 DJ Delorie <dj@redhat.com>
15734 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15736 2006-01-19 Paul Brook <paul@codesourcery.com>
15738 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15739 as nothrow when unwinding tables are disabled.
15741 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15744 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15745 of bit-field" when in system header.
15747 2006-01-19 DJ Delorie <dj@redhat.com>
15749 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15750 the 16 bit shift limit of the m16c.
15752 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15755 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15756 * config/i386/i386.c (output_set_got): Output the label if we have one
15757 for the TARGET_DEEP_BRANCH_PREDICTION case.
15759 2006-01-19 Jan Hubicka <jh@suse.cz>
15760 H.J. Lu <hongjiu.lu@intel.com>
15761 Evandro Menezes <evandro.menezes@amd.com>
15763 * invoke.texi (generic): Document
15765 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15766 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15767 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15768 (x86_use_incdec, x86_pad_returns): New variables
15769 (TARGET_CPU_DEFAULT_generic): New constant
15770 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15771 (enum processor_type): Add generic32 and generic64.
15772 * i386.md (cpu attribute): Add generic32/generic64
15773 (movhi splitter): Behave sanely when both partial_reg_dependency and
15774 partial_reg_stall are set.
15775 (K8 splitters): Enable for generic as well.
15776 * predicates.md (incdec_operand): Use TARGET_INCDEC
15777 (aligned_operand): Avoid memory mismatch stalls.
15778 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15779 * ppro.md: Enable for generic32
15780 * i386.c (generic64_cost, generic32_cost): New.
15781 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15782 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15783 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15784 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15785 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15786 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15787 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15788 x86_accumulate_outgoing_args, x86_prologue_using_move,
15789 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15790 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15791 Enable for generic.
15792 (x86_use_incdec, x86_pad_returns): New.
15793 (override_options): Add generic32 and generic64, translate "generic"
15794 to generic32/generic64 and "i686" to "generic32", refuse
15795 "generic32"/"generic64" as arch target.
15796 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15797 (ix86_reorg): Honor PAD_RETURNS.
15799 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15801 * tree-pretty-print.c (dump_generic_node): Handle
15802 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15803 * cgraph.c (cgraph_expand_queue): Rename from
15804 cgraph_analyze_queue. Update all users.
15805 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15806 cgraph_expand_queue.
15807 (cgraph_expand_all_functions): Likewise.
15808 (cgraph_finalize_pending_functions): Remove. Update callers.
15810 * tree.h (OMP_DIRECTIVE_P): Define.
15811 (OMP_PARALLEL_FN): Define.
15812 (OMP_PARALLEL_DATA_ARG): Define.
15813 (OMP_SECTIONS_SECTIONS): Define.
15814 * tree-pass.h (pass_expand_omp): Declare.
15815 * omp-low.c (struct omp_region): Declare.
15816 (struct omp_context): Remove fields 'parallel_type',
15817 'parallel_start_ix' and 'parallel_start_additional_args'.
15819 (struct omp_for_data): Rename from struct expand_omp_for_data.
15820 (omp_regions): New static variable.
15821 (root_omp_region): New static variable.
15822 (find_omp_clause): Make static.
15823 (is_in_combined_parallel_ctx): Remove.
15824 (is_combined_parallel): New.
15825 (extract_omp_for_data): Move earlier in the file.
15826 (workshare_safe_to_combine_p): New.
15827 (get_ws_args_for): New.
15828 (determine_parallel_type): Move earlier in the file.
15829 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15831 (omp_copy_decl): Likewise.
15832 (create_omp_child_function): Likewise.
15833 (lookup_omp_region): New.
15834 (dump_omp_region): New.
15835 (debug_omp_region): New.
15836 (debug_all_omp_regions): New.
15837 (new_omp_region): New.
15838 (scan_omp_parallel): If parallel_nesting_level > 1, the
15839 directive is nested within another parallel directive.
15840 Set OMP_PARALLEL_FN.
15841 (scan_omp_for): Do not try to handle combined parallel+for
15843 Remove FIXME comment.
15844 (scan_omp_nested): Remove.
15845 (scan_omp_1): Do not call scan_omp_nested when
15846 parallel_nesting_level is > 1.
15847 Do not change the DECL_CONTEXT of local variables found.
15848 (lookup_decl_in_outer_ctx): New.
15849 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15850 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15851 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15852 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15853 If CTX is nested, lookup VAR in the outer context when
15854 building copy assignment.
15855 (lower_send_clauses): Rename from expand_send_clauses.
15856 If CTX is nested, lookup VAR in the outer context when
15857 building copy assignments.
15858 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15859 If CTX is nested, lookup VAR in the outer context when
15860 building copy assignments.
15861 (expand_parallel_call): Rename from build_parallel_call.
15862 Handle combined parallel+workshare cases.
15863 Re-implement to emit code into the CFG.
15865 (expand_omp_parallel): Re-implement to emit code into the CFG.
15866 Call move_sese_region_to_fn to outline the sub-graph
15867 containing the parallel region.
15868 (expand_omp_for_1): Remove.
15869 (expand_omp_for_generic): Re-implement to emit code into the
15871 (expand_omp_for_static_nochunk): Likewise.
15872 (expand_omp_for_static_chunk): Likewise.
15873 (expand_omp_for): Likewise.
15874 (expand_omp_sections): Likewise.
15875 (remove_exit_barriers): New.
15876 (expand_omp_synch): New.
15878 (build_omp_regions_1): New.
15879 (build_omp_regions): New.
15880 (execute_expand_omp): New.
15881 (gate_expand_omp): New.
15882 (pass_expand_omp): Define.
15883 (lower_omp_sections): Rename from expand_omp_sections.
15884 Set OMP_SECTIONS_SECTIONS.
15885 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15886 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15887 (lower_omp_single): Rename from expand_omp_simple.
15888 (lower_omp_master): Rename from expand_omp_master.
15889 (lower_omp_ordered): Rename from expand_omp_ordered.
15890 (lower_omp_critical): Rename from expand_omp_critical.
15891 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15892 (lower_omp_for): Re-implement.
15893 (lower_omp_parallel): Re-implement.
15894 (lower_regimplify): Rename from expand_regimplify.
15895 (lower_omp_1): Rename from expand_omp_1.
15896 If there are syntax errors in the program, replace every
15897 OpenMP directive with NOP.
15898 Call lower_omp_* instead of expand_omp_*.
15899 (lower_omp): Rename from expand_omp.
15901 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15902 * tree-gimple.h (enum omp_parallel_type): Remove.
15903 (gimple_boolify): Declare extern.
15904 (find_omp_clause, determine_parallel_type): Remove.
15906 * gimple-low.c (lower_omp_directive): New.
15907 (lower_stmt): Call it.
15908 (record_vars_into): Move from ...
15909 (record_vars): ... here.
15910 Call record_vars_into with current_function_decl.
15912 * gimplify.c (struct gimplify_ctx): Remove fields
15913 combined_pre_p and combined_ctxp. Update users.
15914 (get_formal_tmp_var): Add documentation.
15915 (gimple_boolify): Make extern.
15916 (gimplify_expr_in_ctx): Remove. Update callers.
15917 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15918 will always be a BIND_EXPR.
15919 (gimplify_expr): Handle OMP_RETURN_EXPR.
15920 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15921 (OMP_PARALLEL): Add 3 operands.
15922 (OMP_SECTIONS): Add 1 operand.
15923 (OMP_RETURN_EXPR): Define.
15925 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15926 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15927 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15928 creating a circular free list.
15929 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15931 * tree-flow.h (move_sese_region_to_fn): Declare.
15932 (record_vars_into): Declare.
15933 * tree-cfg.c (make_omp_sections_edges): New.
15934 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15935 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15936 OMP_SECTIONS and OMP_SECTION.
15937 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15938 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15939 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15940 (gather_blocks_in_sese_region): New.
15941 (struct move_stmt_d): Declare.
15942 (move_stmt_r): New.
15943 (move_block_to_fn): New.
15944 (move_sese_region_to_fn): New.
15946 * passes.c (init_optimization_passes): Schedule
15947 pass_expand_omp after pass_init_datastructures.
15949 * tree-ssa-operands.c (get_expr_operands): Handle
15950 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15951 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15953 2006-01-19 Jeff Law <law@redhat.com>
15955 * tree-vrp.c (extract_range_from_assert): Refine the result range
15956 if the variable referenced by the ASSERT_EXPR has a range and
15957 either the tentative result range or the previous range is a
15960 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15962 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15964 2006-01-19 Jan Hubicka <jh@suse.cz>
15966 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15968 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15970 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15971 (expand_compound_operation, expand_field_assignment): Fail if the
15972 bit lengths of an extract operation are out of range.
15973 (make_extraction): Compute wanted_inner_mode based on the position
15974 and length of the extraction. Make it extraction_mode for non-constant
15975 positions, and do not modify offset in that case. When generating a
15976 new MEM, use a mode that can hold the extraction while keeping correct
15977 alignment. Remove code that supported MEMs wrapped by USEs.
15978 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15980 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15982 * config/s390/s390.md ("Y", "y"): New mode attribute.
15983 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15984 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15985 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15986 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15987 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15988 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15989 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15990 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15991 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15992 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15993 "addsi3", "subsi3"): Insn patterns removed.
15994 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15995 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15996 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15997 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15998 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15999 "*sub<mode>3_cconly2"): New insn patterns.
16000 ("addsi3", "subsi3"): New expanders.
16002 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16004 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16005 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16006 existing STMT_VINFO_VECTYPE if available.
16007 (vect_mark_relevant): Add special handling for stmts that are
16008 marked as STMT_VINFO_IN_PATTERN_P.
16009 (vect_analyze_loop): Call vect_pattern_recog.
16010 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16011 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16013 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16014 (vect_recog_func_ptr): New function-pointer type.
16015 * tree-vect-patterns.c: New file.
16016 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16017 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16018 (vect_pattern_recog_1): New functions.
16019 (vect_pattern_recog_funcs): New array of function pointers.
16021 * tree-vectorizer.h (ternary_op): New enum value.
16022 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16023 declaration. Revised documentation. Removed redundant dump prints.
16024 Removed redundant argument. Added support for reduction patterns.
16025 (vectorizable_reduction): Added support for reduction patterns.
16026 (vect_transform_stmt): Added support for patterns.
16028 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16029 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16030 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16031 (expand_widen_pattern_expr): New function.
16032 (init_optabs): Initialize new optabs udot_prod_optab,
16034 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16035 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16036 (expand_widen_pattern_expr): New function declaration.
16037 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16039 * tree-inline.c (estimate_num_insns_1): Added cases for new
16040 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16041 * tree-pretty-print.c (dump_generic_node): Likewise.
16042 (op_prio): Likewise.
16043 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16044 * tree-ssa-operands.c (get_expr_operands): Added case for
16046 * tree-vect-patterns.c (widened_name_p): New function.
16047 (vect_recog_dot_prod_pattern): Added function implementation.
16048 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16049 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16050 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16051 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16053 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16054 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16055 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16056 (init_optabs): Initialize new optabs widen_ssum_optab,
16058 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16059 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16060 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16061 use instead of type of def.
16062 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16063 function implementation.
16064 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16065 widen_ssumv8hi): New.
16067 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16070 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16073 * c-decl.c (add_flexible_array_elts_to_size): New function.
16074 (finish_decl): Use it.
16076 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16078 * diagnostic.h: Include options.h.
16079 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16080 dependancies for diagnostic.h.
16081 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16083 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16085 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16086 (ssa_ro_call_cache_valid): Ditto.
16087 * tree-ssa-alias.c (sort_tags_by_id): New function.
16088 (init_transitive_clobber_worklist): Ditto.
16089 (add_to_worklist): Ditto.
16090 (mark_aliases_call_clobbered): Ditto.
16091 (compute_tag_properties): Ditto.
16092 (set_initial_properties): Ditto.
16093 (compute_call_clobbered): Ditto.
16094 (compute_may_aliases): Call compute_call_clobbered and grouping.
16095 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16096 (compute_flow_insensitive_aliasing): Grouping now happens in our
16098 (setup_pointers_and_addressables): Remove clobbering related code.
16099 (add_may_alias): Ditto.
16100 (replace_may_alias): Ditto.
16101 (get_nmt_for): Ditto.
16102 (create_global_var):
16103 (is_escape_site): Return an escape_type enumeration.
16104 * tree-flow-inline.h (is_call_clobbered): Global var does not
16105 imply call clobbered.
16106 (mark_call_clobbered): Take a reason for marking this. Remove
16107 marking of globalness, and cache invalidation.
16108 (clear_call_clobbered): Remove cache invalidation code.
16109 * tree-dfa.c (dump_variable): If details is on, dump the reason
16111 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16113 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16114 (struct var_ann_d): Ditto.
16115 (enum escape_type): New.
16116 (mark_call_clobbered): Adjust prototype.
16117 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16118 are never call clobbered.
16119 Record reasons for escaping.
16120 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16121 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16122 (ssa_ro_call_cache_valid): Ditto.
16123 (clobbered_v_may_defs): Ditto.
16124 (clobbered_vuses): Ditto.
16125 (ro_call_vuses): Ditto.
16126 (clobber_stats): New.
16127 (init_ssa_operands): Zero out clobber stats.
16128 (fini_ssa_operands): Print out clobber stats.
16129 (get_call_expr_operands): Pass callee fndecl to
16130 add_call_read_ops).
16131 (add_call_clobber_ops): Remove use of cache.
16132 Add use of PURE_CONST information.
16133 (add_call_read_ops): Remove use of cache.
16134 Add use of static not_read information.
16136 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16138 Introduce TLS descriptors for i386 and x86_64.
16139 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16140 (TARGET_ANY_GNU_TLS): New macro.
16141 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16142 (struct machine_function): Add tls_descriptor_call_expanded_p.
16143 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16144 (ix86_current_function_calls_tls_descriptor): Likewise.
16145 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16146 (override_options): Introduce gnu2 tls dialect.
16147 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16149 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16151 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16152 (ix86_init_machine_status): Initialize new field.
16153 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16154 (ix86_tls_module_base): New.
16155 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16156 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16157 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16158 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16159 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16160 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16161 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16162 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16163 * config/i386/predicates.md (tls_modbase_operand): New.
16164 (tp_or_register_operand): New.
16166 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16168 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16169 (look_for_address_of): Ditto.
16170 (ipa_init): Walk the function decls.
16171 (static_execute): Don't set readonly on FUNCTION_DECL's.
16173 2006-01-18 Roger Sayle <roger@eyesopen.com>
16175 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16176 for shifts where the source and destination registers are different.
16178 2006-01-18 Paul Brook <paul@codesourcery.com>
16180 Merge from csl-arm-branch.
16181 2005-03-14 Julian Brown <julian@codesourcery.com>
16182 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16183 (aeabi_llsl): Likewise.
16184 (ashrdi3): Likewise.
16185 (aeabi_lasr): Likewise.
16186 (lshrdi3): Likewise.
16187 (aeabi_llsr): Likewise.
16188 2005-03-10 Julian Brown <julian@codesourcery.com>
16189 * config.gcc: Disable shared libgcc for SymbianOS.
16190 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16192 2006-01-18 DJ Delorie <dj@redhat.com>
16194 * c-pragma.c (handle_pragma_diagnostic): New.
16195 (init_pragma): Register it.
16196 * doc/extend.texi: Document it.
16198 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16199 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16200 (diagnostic_context): Add classify_diagnostic[].
16201 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16202 as errors if they're overridden to DK_WARNING.
16203 (diagnostic_initialize): Initialize classify_diagnostic[].
16204 (diagnostic_set_kind_override): New.
16205 (diagnostic_report_diagnostic): Check for kind changes.
16206 * opts.c (common_handle_option): Take lang_mask. Update callers.
16207 Handle OPT_Werror_.
16208 * common.opt (Werror=): New.
16209 * doc/invoke.texi: Document -Werror=*
16211 2006-01-18 Jeff Law <law@redhat.com>
16213 * tree-vrp.c (test_for_singularity): Correct test for new
16214 min limit. Use operand_equal_p rather than pointer equality
16215 for testing if new min/max values are equal.
16217 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16218 using range information until after propagation and folding.
16220 2006-01-18 Richard Henderson <rth@redhat.com>
16221 Aldy Hernandez <aldyh@redhat.com>
16222 Jakub Jelinek <jakub@redhat.com>
16223 Diego Novillo <dnovillo@redhat.com>
16225 * omp-low.c: New file.
16226 * c-omp.c: New file.
16228 2006-01-18 Richard Henderson <rth@redhat.com>
16229 Jakub Jelinek <jakub@redhat.com>
16230 Diego Novillo <dnovillo@redhat.com>
16232 * doc/invoke.texi: Document -fopenmp.
16233 * tree-dump.h (debug_function): Declare.
16234 * hooks.c (hook_bool_tree_bool_false): New function.
16235 (hook_tree_tree_null): Remove.
16236 (hook_tree_tree_tree_null): New.
16237 * hooks.h: Update to match.
16238 * tree-pretty-print.c (debug_tree_chain): New.
16239 (print_generic_expr): Handle TDF_CHAIN.
16240 (dump_generic_node): Handle BLOCK.
16241 Do not abort with incomplete SWITCH_EXPRs.
16242 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16243 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16244 print space after directive name.
16245 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16246 Handle OMP_MASTER and OMP_ORDERED.
16247 Handle printing of OMP_BODY just in one place, goto
16248 dump_omp_body in the rest of OMP_* nodes that have
16250 Don't handle clause nodes here. Update omp statements to
16251 use dump_omp_clauses.
16252 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16253 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16254 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16255 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16256 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16257 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16258 Adjust output for GOMP_PARALLEL.
16259 (dump_omp_clauses): New.
16260 (print_declaration): Dump DECL_VALUE_EXPR.
16261 (op_symbol_1): Split out of op_symbol.
16262 (dumping_stmts): Remove. Update all users.
16263 * cgraph.c (cgraph_analyze_queue): New.
16264 (cgraph_add_new_function): New.
16265 * cgraph.h (cgraph_analyze_queue): Declare.
16266 (cgraph_add_new_function): Declare.
16267 (cgraph_lower_function): Remove.
16268 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16269 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16270 and TYPE_P nodes in its default clause.
16271 (empty_body_p): New.
16272 (tree_range_check_failed): New.
16273 (build5_stat): New.
16274 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16275 OMP_CLAUSE_REDUCTION_MERGE,
16276 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16277 OMP_CLAUSE_PRIVATE_DEBUG,
16278 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16279 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16280 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16281 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16282 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16283 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16284 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16285 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16286 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16287 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16288 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16289 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16290 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16291 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16292 (TREE_RANGE_CHECK): New.
16293 (empty_body_p): Declare.
16294 (enum omp_clause_default_kind): New.
16295 (build_string_literal): Declare.
16296 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16297 (build5_stat, build5): Declare.
16298 * tree-pass.h (TDF_CHAIN): Define.
16299 * tree-pass.h (PROP_gimple_lomp): Define.
16300 (pass_lower_omp): Declare.
16301 * diagnostic.h (debug_tree_chain): Declare.
16302 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16304 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16305 * builtins.c (build_string_literal): Make extern.
16306 * gcc.c (include_spec_function): New.
16307 (static_spec_functions): Add it.
16308 (main): Move load of libgomp.spec ...
16309 (LINK_COMMAND_SPEC): ... here.
16310 (link_gomp_spec): New.
16311 (static_specs): Include it.
16312 (LINK_COMMAND_SPEC): Add link_gomp.
16313 (GOMP_SELF_SPECS): New.
16314 (driver_self_specs): Include it.
16315 (switch_matches): Don't mark inline.
16316 (main): Load libgomp.spec.
16317 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16318 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16319 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16320 * tree-gimple.h (enum omp_parallel): Declare.
16321 (determine_parallel_type): Declare.
16322 (omp_firstprivatize_variable): Declare.
16323 (omp_reduction_init): Declare.
16324 (diagnose_omp_structured_block_errors): Declare.
16325 (struct walk_stmt_info): Add want_return_expr.
16326 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16327 (find_omp_clause): Declare.
16328 (insert_field_into_struct): Declare.
16329 (struct walk_stmt_info): Move from tree-nested.c
16330 (walk_stmts): Declare.
16331 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16333 * cgraphunit.c (cgraph_lower_function): Make static.
16334 (cgraph_finalize_pending_functions): New.
16335 (cgraph_finalize_function): Call it.
16336 (cgraph_finalize_compilation_unit): Likewise.
16337 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16338 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16339 (BT_FN_UINT_UINT): New.
16340 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16341 DEF_FUNCTION_TYPE_VAR_4): Document.
16342 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16343 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16344 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16345 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16346 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16347 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16348 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16349 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16350 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16351 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16352 into separate files.
16353 (DEF_GOMP_BUILTIN): New.
16354 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16355 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16356 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16357 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16358 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16359 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16360 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16361 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16362 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16363 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16364 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16365 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16366 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16367 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16368 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16369 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16370 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16371 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16372 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16373 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16374 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16375 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16376 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16377 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16378 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16379 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16380 * sync-builtins.def: New file, moved from builtins.def.
16381 * omp-builtins.def: New file, moved from builtins.def.
16382 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16383 * gimple-low.c (lower_function_body): Clear data.
16384 (lower_stmt): Do not handle COMPOUND_EXPR.
16385 Remove call to print_node_brief.
16386 * c-tree.h (c_finish_omp_clauses): New prototype.
16387 (C_DECL_THREADPRIVATE_P): Define.
16388 (lookup_name_no_remap, c_omp_remap_private): Remove
16389 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16390 (check_for_loop_decls): Update decl.
16391 (lookup_name_no_remap, c_omp_remap_private): Declare.
16392 (build_indirect_ref, build_modify_expr, pushdecl,
16393 pushdecl_top_level): Move to c-common.h.
16394 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16395 before the switch, but just in the 2 places that need it.
16396 * c-decl.c (diagnose_mismatched_decls): Do not check for
16397 mismatched thread-local attributes when OLDDECL is marked
16398 threadprivate and NEWDECL has no thread-local attributes.
16399 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16400 (c_gimple_diagnostics_recursively): Rename from
16401 c_warn_unused_result_recursively. Invoke
16402 diagnose_omp_structured_block_errors.
16403 (check_for_loop_decls): Return a singular decl found.
16404 * langhooks.c (lhd_omp_predetermined_sharing): Return
16405 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16406 (lhd_omp_firstprivatize_type_sizes): New.
16407 (lhd_omp_assignment): New.
16408 (lhd_omp_predetermined_sharing): New.
16409 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16410 (struct lang_hooks_for_types): Add
16411 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16412 omp_predetermined_sharing, omp_disregard_value_expr,
16413 omp_private_debug_clause, omp_clause_default_ctor,
16414 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16415 (c_finish_omp_clauses): New.
16416 (c_finish_bc_stmt): Diagnose break within omp for.
16417 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16418 (build_unary_op): Return error_mark after reporting
16420 (build_modify_expr): Likewise.
16421 * gimplify.c: Include optabs.h and pointer-set.h.
16422 (enum gimplify_omp_var_data): Declare.
16423 (struct gimplify_omp_ctx): Declare.
16424 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16426 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16427 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16428 (splay_tree_compare_decl_uid): New.
16429 (new_omp_context): New.
16430 (delete_omp_context): New.
16431 (gimple_add_tmp_var): Call omp_add_variable.
16432 (gimplify_bind_expr): Likewise.
16433 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16434 true, disregard DECL_VALUE_EXPR on the decl if any.
16435 (gimplify_expr_in_ctx): New.
16436 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16437 omp_add_variable, omp_notice_variable, omp_is_private
16438 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16439 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16440 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16441 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16442 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16443 gimplify_omp_atomic): New.
16444 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16445 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16446 OMP_CRITICAL and OMP_ATOMIC.
16447 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16448 * c-pragma.h (enum pragma_kind): Add
16449 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16450 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16451 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16452 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16453 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16454 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16455 PRAGMA_OMP_THREADPRIVATE.
16456 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16457 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16458 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16459 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16460 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16461 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16462 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16463 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16464 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16465 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16466 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16467 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16468 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16470 (struct nesting_info): Add field_map,
16471 suppress_expansion, debug_var_chain.
16472 (create_nesting_tree): Initialize them.
16473 (lookup_field_for_decl): Use field_map.
16474 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16475 (convert_local_omp_clauses): New.
16476 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16477 (walk_body): Split out of walk_function.
16478 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16479 (convert_nonlocal_reference): Handle omp statements.
16480 (convert_local_reference): Likewise.
16481 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16482 (unnest_nesting_tree): New.
16483 (lower_nested_functions): Call it.
16484 (insert_field_into_struct): Make extern.
16485 (struct walk_stmt_info): Move to tree-gimple.h.
16486 (walk_stmts): Make extern.
16487 * omp-builtins.def: New file.
16488 * tree-iterator.c (expr_only): Clarify comment.
16489 * c-common.h (pushdecl_top_level, pushdecl,
16490 build_modify_expr, build_indirect_ref,
16491 c_finish_omp_master, c_finish_omp_critical,
16492 c_finish_omp_ordered, c_finish_omp_barrier,
16493 c_finish_omp_atomic, c_finish_omp_flush,
16494 c_finish_omp_for, c_split_parallel_clauses,
16495 omp_clause_default_kind, c_omp_sharing_predetermined,
16496 c_omp_remap_decl): Declare.
16497 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16498 (OBJS-common): Add omp-low.o.
16499 (c-omp.o, omp-low.o): Add.
16500 (gimplify.o): Add dependency on $(OPTABS_H).
16501 (GTFILES): Add omp-low.c.
16502 (gt-stringpool.h): Add.
16503 * tree-cfg.c (set_bb_for_stmt): Do not update the
16504 block-to-labels map if we are currently expanding to RTL.
16505 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16507 Handle IDENTIFIER_NODE.
16508 (tree_verify_flow_info): Do not ICE when emitting error
16509 messages about invalid labels.
16510 (dump_function_to_file): Reset CFUN before emitting the body
16512 (debug_function): New.
16513 * passes.c (init_optimization_passes): Schedule
16515 * langhooks-def.h (lhd_omp_predetermined_sharing,
16516 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16518 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16519 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16520 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16521 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16522 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16523 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16524 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16525 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16526 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16527 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16528 (LANG_HOOK_DECLS): Use them.
16530 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16531 Richard Henderson <rth@redhat.com>
16532 Jakub Jelinek <jakub@redhat.com>
16533 Diego Novillo <dnovillo@redhat.com>
16535 * c-parser.c (pragma_omp_clause): Define.
16536 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16537 (c_parser_compound_statement): Likewise.
16538 (c_parser_statement): Likewise.
16539 (c_parser_pragma): Handle omp pragmas.
16540 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16541 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16542 (c_parser_omp_clause_name, check_no_duplicate_clause,
16543 c_parser_omp_variable_list,
16544 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16545 c_parser_omp_clause_copyprivate,
16546 c_parser_omp_clause_default,
16547 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16548 c_parser_omp_clause_lastprivate,
16549 c_parser_omp_clause_nowait,
16550 c_parser_omp_clause_num_threads,
16551 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16552 c_parser_omp_clause_reduction,
16553 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16554 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16555 c_parser_omp_atomic, c_parser_omp_barrier,
16556 c_parser_omp_critical, c_parser_omp_flush,
16557 c_parser_omp_for_loop, c_parser_omp_for,
16558 c_parser_omp_master, c_parser_omp_ordered,
16559 c_parser_omp_sections_scope, c_parser_omp_sections,
16560 c_parser_omp_parallel, c_parser_omp_single,
16561 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16562 * c-pragma.c (init_pragma): Do omp pragma registration here.
16563 * c.opt (fopenmp): New flag.
16565 2006-01-18 Eric Christopher <echristo@apple.com>
16567 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16568 * config/darwin.h (GOMP_SELF_SPECS): Define.
16570 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16572 * rtl.h: Remove the prototype for reg_alloc.
16574 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16577 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16578 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16579 sjlj and dwarf2 exception handling.
16580 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16581 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16582 * pa/pa.c (function_value): Treat complex and vector types as
16584 (function_arg): Likewise. Only pass scalar floats in the floating
16585 point argument registers.
16586 * pa/t-slibgcc-dwarf-ver: New file.
16587 * pa/t-slibgcc-sjlj-ver: New file.
16588 * pa/t-slibgcc-elf-ver: Delete file.
16590 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16592 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16593 unlikely_test_section_p test.
16595 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16597 * mode-switching.c (optimize_mode_switching): Make it static.
16598 * basic-block.h: Remove the prototype for
16599 optimize_mode_switching.
16601 * modulo-sched.c (sms_schedule): Make it static.
16602 * rtl.h: Remove the prototype for sms_schedule.
16604 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16605 * rtl.h: Remove the prototype for gcse_after_reload_main.
16607 * reg-stack.c (reg_to_stack): Make it static.
16608 * rtl.h: Remove the prototype for reg_to_stack.
16610 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16612 * rtl.h: Remove the prototypes for regrename_optimize and
16613 copyprop_hardreg_forward.
16615 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16617 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16618 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16619 Test against the appropriate null constant for the mode.
16620 If 'fixup_overlap' is true, swap the operands if they overlap.
16621 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16622 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16623 alpha_split_tmode_pair and adjust for above change.
16624 * config/alpha/alpha.md (movtf_internal): Adjust call to
16625 alpha_split_tfmode_pair and rely on it to swap the operands.
16626 (movti_internal): New insn and post-reload splitter.
16627 (movti): New expander.
16629 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16631 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16634 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16636 * rtlanal.c (global_reg_mentioned_p_1,
16637 global_reg_mentioned_p): Remove.
16638 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16640 * flow.c (initialize_uninitialized_subregs): Make it static.
16641 * rtl.h: Remove the prototype for
16642 initialize_uninitialized_subregs.
16644 * function.c (instantiate_virtual_regs): Make it static.
16645 * function.h: Remove the prototype for
16646 instantiate_virtual_regs.
16648 * regmove.c (regmove_optimize, combine_stack_adjustments):
16650 * rtl.h: Remove the prototypes for regmove_optimize and
16651 combine_stack_adjustments.
16653 2006-01-17 Roger Sayle <roger@eyesopen.com>
16655 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16656 (size_cost): Encode costs in bytes so that a reg-reg addition is
16657 equivalent to COSTS_N_INSNS(1).
16658 (override_options): Use the size_cost.branch_cost as the default
16659 ix86_branch_cost when optimizing for size.
16661 2006-01-18 Ben Elliston <bje@au.ibm.com>
16663 * Makefile.in (D32PBIT_FUNCS): New.
16664 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16665 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16666 D64PBIT_FUNCS and D128PBIT_FUNCS.
16667 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16668 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16670 (decnumber_dep): Define.
16671 * doc/libgcc.texi (Decimal float library routines): New node.
16672 * config/dfp-bit.h, config/dfp-bit.c: New files.
16674 2006-01-18 Ben Elliston <bje@au.ibm.com>
16676 * expr.c (emit_move_change_mode): Always adjust addresses, not
16677 just during reload. Copy replacements only during reload.
16678 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16679 emit_move_via_integer.
16681 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16683 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16684 instead of $(srcdir) and ${srcdir}.
16686 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16689 PR middle-end/11135
16690 * arm.h (struct machine_function): Add pic_reg.
16691 * arm.c (arm_pic_register): Make unsigned.
16692 (arm_override_options): Only set arm_pic_register if
16693 TARGET_SINGLE_PIC_BASE.
16694 (use_return_insn): Only test for a pic register if it is fixed.
16695 (arm_compute_save_reg0_reg12_mask): Likewise.
16696 (thumb_compute_save_reg_mask): Likewise.
16697 (legitimate_pic_operand): Factor out some known invariants.
16698 (legitimize_pic_address): If we don't have a fixed pic register,
16699 then set up a pseudo in the function entry sequence. Handle the
16700 pic base being in a pseudo.
16701 (arm_load_pic_register): Handle the pic register being in a pseudo.
16702 (arm_expand_prologue): Only set up the pic register if it is fixed.
16703 (thumb_expand_prologue): Likewise.
16704 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16705 (pic_load_addr_based_insn): Likewise.
16706 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16709 2006-01-18 Ben Elliston <bje@au.ibm.com>
16711 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16712 decimal float modes for all floating point registers.
16714 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16715 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16717 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16720 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16721 even when the pointer is not NULL.
16723 2006-01-16 Ian Lance Taylor <ian@airs.com>
16725 * common.opt (ftoplevel-reorder): New option.
16726 * cgraph.c (cgraph_asm_nodes): New global variable.
16727 (cgraph_asm_last_node): New static variable.
16728 (cgraph_order): New global variable.
16729 (cgraph_create_node): Set new order field.
16730 (cgraph_varpool_node): Likewise.
16731 (decide_is_variable_needed): Return true if not
16732 flag_toplevel_reorder.
16733 (cgraph_add_asm_node): New function.
16734 * cgraph.h (struct cgraph_node): Add order field.
16735 (struct cgraph_varpool_node): Add order field.
16736 (struct cgraph_asm_node): Define.
16737 (cgraph_asm_nodes, cgraph_order): Declare.
16738 (cgraph_add_asm_node): Declare.
16739 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16741 (cgraph_varpool_assemble_pending_decls): Call it.
16742 (cgraph_output_pending_asms): New static function.
16743 (cgraph_finalize_compilation_unit): Call it.
16744 (struct cgraph_order_sort): Define.
16745 (cgraph_output_in_order): New static function.
16746 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16747 !flag_toplevel_reorder case.
16748 * c-parser.c: Include "cgraph.h".
16749 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16751 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16752 than -fno-unit-at-a-time.
16753 * doc/invoke.texi (Option Summary): Mention
16754 -fno-toplevel-reorder.
16755 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16756 -funit-at-a-time documentation.
16758 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16759 Kazu Hirata <kazu@codesourcery.com>
16761 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16763 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16765 * Makefile.in (FUNCTION_H): New. Use it instead of
16766 function.h throughout the file.
16767 * function.h: Include tree.h.
16769 2006-01-17 Ben Elliston <bje@au.ibm.com>
16771 * recog.c: Separate some functions with whitespace.
16773 2006-01-16 Richard Henderson <rth@redhat.com>
16775 Merge from gomp branch:
16776 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16777 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16778 and rename from struct inline_data. Rename callee* to dst*;
16779 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16780 transform_new_cfg, transform_return_to_modify, and
16781 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16783 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16784 (copy_decl_for_dup): Remove.
16785 * tree-inline.c (struct inline_data): Move to header.
16786 (insert_decl_map): Export.
16787 (remap_decl): Update for member name changes. Use copy_decl hook.
16788 Allow for replacement to be a non-decl. Remove dead code.
16789 (remap_type_1): Check for existing mapping.
16790 (remap_type): Export.
16791 (remap_decls): Update for member name changes.
16792 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16793 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16794 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16795 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16796 (tree_function_versioning, build_duplicate_type): Likewise.
16797 (copy_body_r): Likewise. Export.
16798 (copy_decl_for_dup): Split into ...
16799 (copy_decl_for_dup_finish, copy_decl_to_var,
16800 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16801 (replace_ref_tree, inlining_p): Remove.
16803 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16805 * ifcvt.c (if_convert): Make it static.
16806 * rtl.h: Remove the prototype for if_convert.
16808 * local-alloc.c (local_alloc): Make it static.
16809 * rtl.h: Remove the prototype for local_alloc.
16811 * loop.c (loop_optimize): Make it static.
16812 * cfgloop.h: Remove the prototype for loop_optimize.
16815 2006-01-16 DJ Delorie <dj@redhat.com>
16817 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16820 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16822 * pa.md: Disparage copies between general and floating-point registers
16823 in 32-bit move patterns.
16825 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16828 * Makefile.in (check-%): Depend on site.exp instead of
16829 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16832 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16834 * global.c (global_alloc): Make it static.
16835 * rtl.h: Remove the prototype for global_alloc.
16837 2006-01-16 Richard Guenther <rguenther@suse.de>
16839 * tree-ssa-alias.c (struct used_part): Add write_only field.
16840 (get_or_create_used_part_for): Initialize it to true.
16841 (create_overlap_variables_for): Don't create structure variables
16842 for structures that only are written to.
16843 (find_used_portions): Handle MODIFY_EXPR to track whether a
16844 structure is only written to.
16846 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16848 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16850 * basic-block.h: Remove the prototype for
16851 partition_hot_cold_basic_blocks.
16853 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16855 * cppspec.c (lang_specific_spec_functions): Remove.
16856 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16857 * gcc.h (lang_specific_spec_functions): Remove.
16858 * gccspec.c (lang_specific_spec_functions): Remove.
16860 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16862 * combine.c (record_value_for_reg): Invalidate registers
16864 (record_dead_and_set_regs_1): Likewise, by passing them to
16865 record_value_for_reg.
16866 (record_dead_and_set_regs): Invalidate stores made by a
16867 call. We do not combine across a call, but we still
16868 relied on equivalences.
16870 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16872 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16873 vrp_int_const_binop returning non-constant nodes.
16875 2006-01-16 Paul Brook <paul@codesourcery.com>
16877 * config/m68k/m68k.c (output_move_const_into_data_reg):
16878 Output correct mnemonic for mvz and mvs.
16880 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16882 * rtl-factoring.c: Add sequence abstraction algorithm.
16883 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16884 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16886 (block_has_preserve_label): New function.
16887 * common.opt: Register new pass.
16888 * Makefile.in: Ditto.
16890 * timevar.def: Ditto.
16891 * tree-pass.h: Ditto.
16892 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16893 * rtl.h (make_jump_insn_raw): Add forward decl.
16894 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16896 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16897 Roger Sayle <roger@eyesopen.com>
16899 * fold-const.c (fold_minmax): New static function.
16900 (fold_binary) <MIN_EXPR>: Call it.
16901 <MAX_EXPR>: Likewise.
16902 * stor-layout.c (place_field): Use DECL_SIZE consistently
16903 in the computation of the new record size.
16905 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16907 * cse.c (cse_condition_code_reg): Make it static.
16908 * rtl.h: Remove the prototype for cse_condition_code_reg.
16910 * combine.c (combine_instructions): Make it static.
16911 * rtl.h: Remove the prototype for combine_instructions.
16913 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16916 * tree.c (get_file_function_name_long): Concatenate the first global
16917 object name with a string derived from the input filename of the object
16920 2006-01-16 Ben Elliston <bje@au.ibm.com>
16922 * config/i386/winnt-stubs.c: Update FSF address.
16923 * config/xtensa/ieee754-df.S: Ditto.
16924 * config/xtensa/ieee754-sf.S: Ditto.
16926 2006-01-14 Ian Lance Taylor <ian@airs.com>
16928 * ifcvt.c (noce_init_if_info): New static function, broken out of
16929 noce_process_if_block.
16930 (noce_process_if_block): Call noce_init_if_info.
16931 (check_cond_move_block): New static function.
16932 (cond_move_process_if_block): New static function.
16933 (process_if_block): Call cond_move_process_if_block.
16935 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16937 * cselib.c (hash_table): Rename to cselib_hash_table.
16938 (cselib_clear_table, discard_useless_values,
16939 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16940 cselib_init, cselib_finish): Adjust uses of hash_table.
16942 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16944 PR tree-optimization/25485
16945 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16946 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16947 is known to be false and true, respectively.
16949 2006-01-14 Richard Guenther <rguenther@suse.de>
16951 PR tree-optimization/22548
16952 PR tree-optimization/22555
16953 PR tree-optimization/22501
16954 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16955 * params.def (salias-max-array-elements): New parameter.
16956 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16957 * doc/invoke.texi (salias-max-array-elements): Document.
16958 * tree-flow-inline.h (var_can_have_subvars): We also handle
16960 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16962 * tree-ssa-structalias.c (params.h): Include.
16963 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16964 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16965 (get_constraint_for): For ADDR_EXPR operating on something
16966 containing an ARRAY_REF, add all subvars to the solution.
16967 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16968 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16969 for creating MUST_DEFs.
16970 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16972 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16974 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16976 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16977 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16978 number_of_iterations_le): New functions.
16979 (number_of_iterations_special): Removed.
16980 (number_of_iterations_exit): Do not use number_of_iterations_special.
16981 * tree.c (unsigned_type_for): Always return integer type.
16983 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16984 Richard Guenther <rguenther@suse.de>
16986 PR rtl-optimization/24257
16987 * gcse.c (find_moveable_store): Only consider a store movable
16988 when the SET_SRC of the insn can be assigned to a register.
16990 2006-01-14 Ian Lance Taylor <ian@airs.com>
16992 * tree.c (tree_not_class_check_failed): New function.
16993 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16994 (tree_not_class_check_failed): Declare.
16996 2006-01-13 Ian Lance Taylor <ian@airs.com>
16998 * reload1.c (do_output_reload): Add assertion rejecting a
17001 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17003 * combine.c (struct reg_stat): Add new fields truncation_label and
17005 (record_value_for_reg): Reset truncated_to_mode.
17006 (record_truncated_value): New function.
17007 (check_promoted_subreg): Call it. Rename to check_conversions.
17008 (combine_instructions): Rename check_promoted_subreg to
17010 (reg_truncated_to_mode): New function.
17011 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17012 (gen_lowpart_or_truncate): New function.
17013 (force_to_mode): Use it instead of gen_lowpart.
17015 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17017 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17018 VAR is a tag, not its type tag.
17020 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17022 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17023 alternatives to match style of other entries.
17024 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17026 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17028 PR tree-optimization/25771
17029 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17032 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17035 * tree-inline.c (declare_return_variable): If the return variable
17036 was marked as a non gimple complex, set the return slot variable
17037 to be a non gimple comple variable.
17039 2006-01-13 Richard Guenther <rguenther@suse.de>
17041 * builtins.c (expand_builtin_sincos): New function.
17042 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17044 (expand_builtin): Expand sincos using expand_builtin_sincos.
17046 2006-01-12 DJ Delorie <dj@redhat.com>
17048 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17049 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17050 so that constant shifts can be split.
17051 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17052 (m32c_valid_pointer_mode): Make static.
17053 (shift_gen_func_for): New.
17054 (m32c_prepare_shift): Use it. Split large const shifts into
17056 * config/m32c/predicates.md (shiftcount_operand): Allow more
17058 (longshiftcount_operand): New.
17059 * doc/md.texi (Machine Constraints): Document In6.
17061 2006-01-13 Ben Elliston <bje@au.ibm.com>
17063 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17064 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17067 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17069 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17070 to try to avoid clobbering pieces of structures when we know
17071 something about the whole structure.
17072 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17074 2006-01-13 Ben Elliston <bje@au.ibm.com>
17076 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17077 return in memory, as this is no limitation is no longer present.
17079 2006-01-12 DJ Delorie <dj@redhat.com>
17081 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17082 mova with fb, and for fb+0 -> An.
17084 * config/m32c/mov.md (peephole2): Fix enabling logic.
17086 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17087 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17088 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17089 FINI_ARRAY_SECTION_ASM_OP): Define.
17091 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17093 (m32c_legitimize_reload_address): New logic to reload FB to An.
17094 (m32c_output_reg_push): Add newline.
17095 (m32c_output_reg_pop): Likewise.
17097 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17099 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17101 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17103 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17105 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17107 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17110 2006-01-11 Ben Elliston <bje@au.ibm.com>
17112 * rtlanal.c (find_reg_note): Assert insn is not null.
17114 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17116 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17119 2006-01-11 Jeff Law <law@redhat.com>
17121 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17123 (mark_threaded_blocks, register_jump_thread): New functions.
17124 (thread_through_all_blocks): Remove unwanted argument. No
17125 longer rely on e->aux to communicate thread target info.
17126 Call mark_threaded_blocks. Release the threaded_blocks
17127 bitmap and threaded_edges vector when complete.
17128 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17129 (threaded_blocks): Remove.
17130 (tree_ssa_dominator_optimize): Remove initialization and
17131 finalization of threaded_blocks. Simplify call to
17132 thread_through_all_blocks.
17133 (thread_across_edge): Call register_jump_thread rather than
17134 storing thread information into e->aux.
17135 (free_all_edge_infos): Simplify now that e->aux is no longer
17136 used to communicate with thread_through_all_blocks.
17137 * tree-flow.h (thread_through_all_blocks): Update prototype.
17138 (register_jump_thread): Prototype.
17140 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17142 * df-core.c (df_compact_blocks, df_bb_replace): Use
17143 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17145 2006-01-11 Richard Guenther <rguenther@suse.de>
17147 PR tree-optimization/25734
17148 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17149 stop propagation after successful propagation to the LHS.
17151 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17153 * basic-block.h (control_flow_graph): Change the type of
17154 x_basic_block_info to VEC(basic_block,gc) *.
17155 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17157 (SET_BASIC_BLOCK): New.
17158 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17159 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17160 * cfgbuild.c (find_basic_blocks): Likewise.
17161 * cfglayout.c (fixup_reorder_chain): Likewise.
17162 * cfgrtl.c (create_basic_block_structure,
17163 rtl_create_basic_block): Likewise.
17164 * ifcvt.c (find_if_case_1): Likewise.
17165 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17168 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17170 * Makefile.in: Removed rotted odf.c entry.
17172 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17175 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17176 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17177 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17178 output pattern modifier, not %e.
17179 * config/cris/cris.c (cris_op_str): Update comment about pattern
17181 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17182 before falling through into...
17183 <case 'E'>: Redefined from old 'e' case.
17185 2006-01-11 Jan Hubicka <jh@suse.cz>
17188 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17190 2006-01-11 Jan Hubicka <jh@suse.cz>
17192 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17193 * i386.c (x86_decompose_lea): Kill.
17194 (ix86_rtx_costs): Kill.
17196 2006-01-11 Jan Hubicka <jh@suse.cz>
17198 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17199 * cgraph.h (cgraph_node): Add inline_decl.
17200 (cgraph_insert_node_to_hashtable): Declare.
17201 (save_inline_function_body): Declare.
17202 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17204 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17205 (cgraph_function_versioning): Update call of tree_function_versioning.
17206 (save_inline_function_body): New function.
17207 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17208 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17209 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17210 (cgraph_default_inline_p): Likewise.
17211 (cgraph_decide_inlining_incrementally): Likewise.
17212 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17213 (copy_bb): Kill saving; do updating of clones.
17214 (copy_cfg_body): Kill saving.
17215 (initialize_inlined-parameters): Likewise.
17216 (expand_call_inline): Likewise.
17218 (tree_function_versioning): New parameter "update_clones".
17219 (inlining_p): Kill saving.
17220 * tree-inline.h (tree_function_versioning): Update prototype.
17221 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17224 2006-01-11 Ian Lance Taylor <ian@airs.com>
17226 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17227 Allow undoing set of machine mode.
17228 (do_SUBST): Use enums instead of is_int.
17229 (do_SUBST_MODE): New function.
17230 (SUBST_MODE): New macro.
17231 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17232 reg and trying to replace reg_regno_rtx with a new register.
17233 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17234 (simplify_set): Use SUBST_MODE.
17235 (distribute_notes): Remove code that tried to update reg notes
17236 for regno_reg_rtx changes.
17238 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17240 PR tree-optimization/23109
17241 PR tree-optimization/23948
17242 PR tree-optimization/24123
17244 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17245 * tree-cfg.c (single_noncomplex_succ): New.
17246 * tree-flow.h (single_noncomplex_succ): Declare it.
17247 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17248 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17249 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17250 insert_bb, register_division_in, insert_reciprocals,
17251 replace_reciprocal, free_bb): New.
17252 (execute_cse_reciprocals_1): Rewritten.
17253 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17254 Do not commit any edge insertion. Always compute dominators and
17255 create the allocation pool.
17256 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17257 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17258 * targhooks.c (default_min_divistions_for_recip_mul): New.
17259 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17260 * passes.c (init_optimization_passes): Run recip after tree loop
17262 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17264 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17265 Kenneth Zadeck <zadeck@naturalbridge.com>
17267 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17268 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17269 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17270 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17271 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17272 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17273 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17274 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17275 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17276 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17277 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17278 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17279 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17280 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17281 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17282 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17283 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17284 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17285 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17286 DF_SCAN_POST_ALLOC): New macros.
17287 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17288 df_free_bb_function, df_local_compute_function, df_init_function,
17289 df_dataflow_function, df_confluence_function_0,
17290 df_confluence_function_n, df_transfer_function,
17291 df_finalizer_function, df_free_function, df_dump_problem_function,
17292 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17293 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17294 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17295 df_urec_bb_info, ) New types.
17296 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17298 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17299 df_analyze_simple_change_some_blocks,
17300 df_analyze_simple_change_one_block, df_compact_blocks,
17301 df_bb_replace, df_bb_regno_last_use_find,
17302 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17303 df_insn_regno_def_p, df_find_def, df_find_use,
17304 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17305 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17306 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17307 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17308 debug_df_chain, df_get_dependent_problem, df_chain_create,
17309 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17310 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17311 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17312 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17313 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17314 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17315 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17316 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17317 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17318 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17319 df_reorganize_refs, df_set_state, df_hard_reg_init,
17320 df_read_modify_subreg_p) New public functions.
17321 * df-core.c: The core dataflow solver and glue routines for rtl
17323 (df_init, df_add_problem, df_set_blocks, df_finish,
17324 df_hybrid_search_forward, df_hybrid_search_backward,
17325 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17326 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17327 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17328 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17329 df_reg_defined, df_find_use, df_reg_used, df_dump,
17330 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17331 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17332 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17333 debug_df_useno, reset_df_after_reload): New functions.
17334 * df-scan.c: The scanning fuctions, once in df.c, completely
17335 rewritten so that they now fully model the functionality of
17336 register usage at the backend.
17337 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17338 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17339 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17340 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17341 df_get_artificial_defs, df_get_artificial_uses,
17342 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17343 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17344 df_refs_delete, df_reorganize_refs, df_set_state,
17345 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17346 df_def_record_1, df_defs_record, df_uses_record,
17347 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17348 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17349 df_record_exit_block_uses, df_hard_reg_init): New functions.
17351 * df-problems.c: Seven concrete dataflow problems that use the
17352 scanning in df-scan.c and are solved by the engine in df-core.c.
17353 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17354 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17355 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17356 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17357 df_ru_free_bb_info, df_ru_alloc,
17358 df_ru_bb_local_compute_process_def,
17359 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17360 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17361 df_ru_transfer_function, df_ru_free, df_ru_dump,
17362 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17363 df_rd_free_bb_info, df_rd_alloc,
17364 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17365 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17366 df_rd_transfer_function, df_rd_free, df_rd_dump,
17367 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17368 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17369 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17370 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17371 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17372 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17373 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17374 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17375 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17376 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17377 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17378 df_urec_mark_reg_use_for_earlyclobber,
17379 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17380 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17381 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17382 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17383 df_chain_create_bb_process_use, df_chain_create_bb,
17384 df_chain_finalize, df_chain_free, df_chains_dump,
17385 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17386 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17387 df_reg_lifetime): New functions.
17388 * df.c: Deleted file.
17389 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17390 consistent with new df api.
17391 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17392 rest_of_handle_sms): Ditto.
17393 * web.c (unionfind_union, union_defs, entry_register, web_main):
17395 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17396 invariant_expr_equal_p, find_defs, check_dependencies,
17397 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17398 free_inv_motion_data, move_loop_invariants): Ditto.
17399 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17400 Update dependencies.
17401 (odf.c): Added defective entry that was deleted later in day.
17402 * sched-deps.c (sched_analyze_1): Ditto.
17404 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17406 * tree-ssa-operands.c (get_expr_operands): Record addressable
17407 variables directly. Do not call add_stmt_operands for CONST_DECLs
17409 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17410 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17412 2006-01-11 Ben Elliston <bje@au.ibm.com>
17414 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17415 function returns true in the positive case.
17417 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17420 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17421 for SI, DI, SF and DF modes. Add alternatives to copy between
17422 general and floating point registers to the 32-bit patterns.
17423 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17424 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17425 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17426 generating 64-bit code.
17427 * config/pa/pa.c (output_move_double): Handle copies between general
17428 and floating registers.
17430 2006-01-10 Stuart Hastings <stuart@apple.com>
17432 * config/i386/i386.md (set_got): Update.
17433 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17434 (builtin_setjmp_receiver): Mach-O support.
17435 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17436 (GOT_SYMBOL_NAME): Define.
17437 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17438 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17439 * config/i386/i386.c (override_options): Revise for Darwin.
17440 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17441 support. (darwin_x86_file_end): New. (output_set_got): Add label
17442 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17443 * config/i386/i386-protos.h (output_set_got): Likewise.
17444 * config/darwin.c (machopic_legitimize_pic_address): Update
17447 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17449 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17450 when MODE isn't BLKmode.
17452 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17454 PR rtl-optimization/25367
17455 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17457 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17460 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17461 for a negative bound.
17463 2006-01-10 Richard Guenther <rguenther@suse.de>
17465 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17466 Never override with anything constraint.
17468 2006-01-10 Jan Beulich <jbeulich@novell.com>
17470 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17471 256 bits when optimize_size.
17473 2006-01-10 Jan Beulich <jbeulich@novell.com>
17475 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17477 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17478 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17481 2006-01-10 Ben Elliston <bje@au.ibm.com>
17483 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17485 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17486 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17487 (USE_FP_FOR_ARG): Reject decimal float modes.
17488 (function_arg_advance): Likewise.
17489 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17490 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17491 point types in AltiVec vectors.
17492 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17493 (rs6000_libcall_value): Likewise.
17495 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17497 * config/xtensa/ieee754-df.S: New file.
17498 * config/xtensa/ieee754-sf.S: New file.
17499 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17500 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17501 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17503 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17505 * config/sh/predicates.md (binary_float_operator,
17506 binary_logical_operator, commutative_float_operator,
17507 equality_comparison_operator, greater_comparison_operator,
17508 less_comparison_operator, logical_operator,
17509 noncommutative_float_operator, shift_operator,
17510 symbol_ref_operand, unary_float_operator): Remove redundant
17513 2006-01-09 Jeff Law <law@redhat.com>
17515 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17516 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17517 now unused arguments. Callers updated.
17518 (eliminate_redundant_computations): Remove now unused arguments,
17520 (local_fold): Remove, no longer used.
17521 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17523 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17524 (simplify_cond): New function.
17525 (forward_propagate_into_cond): Call simplify_cond.
17527 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17529 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17530 (*vec_extractv2di_1_sse): New.
17532 2006-01-09 Ben Elliston <bje@au.ibm.com>
17534 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17536 2006-01-08 Richard Guenther <rguenther@suse.de>
17538 * tree-ssa-structalias.c (get_constraint_for): Remove
17539 anyoffset argument.
17540 (get_constraint_for_component_ref): Likewise.
17541 (do_deref): Likewise.
17542 (get_constraint_for): Likewise.
17543 (do_structure_copy): Likewise.
17544 (handle_ptr_arith): Likewise.
17545 (find_func_aliases): Likewise. Remove unused need_anyoffset
17548 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17549 Kaz Kojima <kkojima@gcc.gnu.org>
17551 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17552 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17553 (EXTRA_CONSTRAINT_C16): Remove.
17554 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17555 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17556 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17557 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17558 constants of SHmedia. Handle nested constant expressions of
17560 (andcosts): Fix the costs for SHmedia constants.
17561 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17562 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17563 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17564 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17565 (movv4hi_i, movv2si_i): Likewise.
17566 (movsi_const): Adjust the second operand of ior so to match with
17567 the Csu constraint.
17568 (movdi_const, movdi_const_32bit): Likewise.
17569 (movdi_const_16bit+1): Don't sign-extend LOW.
17570 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17572 (*double_shori): Fix the split condition. Use GEN_INT instead
17573 of get_int_mode calls. Mask lower 16-bit of the argument of
17575 (sym2GOTPLT): Remove.
17576 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17578 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17579 instead of EXTRA_CONSTRAINT_C16.
17581 2006-01-07 Ian Lance Taylor <ian@airs.com>
17582 David Edelsohn <edelsohn@gnu.org>
17584 PR rtl-optimization/25662
17585 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17586 for constant operands instead of simplify_gen_binary.
17587 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17588 after trying simplify_binary_operation
17590 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17592 * tree.c (iterative_hash_expr): Hash decls based on UID.
17594 2006-01-06 Eric Christopher <echristo@apple.com>
17596 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17597 (TARGET_UNWIND_EMIT): Fix spelling.
17598 * target.h (gcc_target): Add except_table_label.
17599 * except.c (output_function_exception_table): Use.
17600 * varasm.c (default_emit_except_table_label): New.
17601 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17603 (asm_out): Add here.
17604 * output.h (default_emit_except_table_label): Prototype.
17605 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17606 * config/darwin.c (darwin_emit_except_table_label): Define.
17607 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17609 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17611 PR tree-optimization/18527
17612 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17613 number_of_iterations_special, number_of_iterations_exit):
17614 Move base and step of an iv to a single structure. Add
17615 no_overflow flag, and use it in # of iterations analysis.
17616 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17617 folded_casts argument.
17618 (simple_iv): Pass base and step in a structure. Set no_overflow
17620 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17621 Evaluate expensiveness of computing # of iterations instead of
17622 the final expression.
17623 * tree-scalar-evolution.h (affine_iv): New structure.
17624 (simple_iv): Declaration changed.
17625 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17626 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17627 find_givs_in_stmt): Changed due to simple_iv change.
17629 2006-01-06 Jeff Law <law@redhat.com>
17632 * tree-cfg.c (bsi_replace): Rename final argument from
17633 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17634 change (stmt -> orig_stmt).
17635 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17636 (bsi_remove): Add new argument. Remove EH information
17638 (verify_eh_throw_table_statements): New function.
17639 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17641 * tree-optimize.c (execute_free_cfg_annotations): Verify
17642 the EH throw statement table after removing annotations.
17643 * except.h (verify_eh_throw_table_statements): Prototype.
17644 * tree-flow.h (bsi_remove): Update prototype.
17645 * tree-vrp.c (remove_range_assertions): Add new argument to
17647 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17648 * tree-complex.c (expand_complex_div_wide): Likewise.
17649 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17650 * tree-tailcall.c (eliminate_tailcall): Likewise.
17651 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17652 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17653 * tree-nrv.c (tree_nrv): Likewise.
17654 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17655 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17656 (combine_blocks): Likewise.
17657 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17658 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17659 (cleanup_control_flow): Likewise.
17660 (remove_forwarder_block): Likewise.
17661 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17662 * tree-sra.c (sra_replace): Likewise.
17663 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17664 (forward_propagate_single_use_vars): Likewise.
17665 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17666 * tree-inline.c (expand_call_inline): Likewise.
17667 * tree-vect-transform.c (vect_transform_loop): Likewise.
17668 * tree-outof-ssa.c (rewrite_trees): Likewise.
17669 * tree-cfg.c (make_goto_expr_edges): Likewise.
17670 (cleanup_dead_labels): Likewise.
17671 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17672 (bsi_move_before, bsi_move_after): Likewise.
17673 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17674 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17676 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17679 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17681 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17682 on non gimple variables. Also add checks at the top for decls and
17684 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17686 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17687 and IMAGPART_EXPR for creating MUST_DEFs.
17688 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17689 and NAME_MEMORY_TAG separately from the DECLs.
17691 2006-01-06 Richard Guenther <rguenther@suse.de>
17693 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17694 annotation, if necessary.
17695 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17696 redundant calls to update_stmt.
17697 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17700 2006-01-05 Richard Henderson <rth@redhat.com>
17702 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17704 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17706 * c-typeck.c: Update copyright date.
17708 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17710 * c-typeck.c (build_c_cast): Always warn when casting
17711 from a pointer to an integer of different size, even if
17712 the node was constant.
17714 2006-01-05 Richard Guenther <rguenther@suse.de>
17716 PR tree-optimization/22555
17717 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17718 if one structure field is an array.
17719 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17720 operands even if we found a subvar, but ignore VOPs in this
17722 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17724 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17726 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17728 PR middle-end/24998
17729 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17731 2006-01-05 Richard Guenther <rguenther@suse.de>
17732 Diego Novillo <dnovillo@redhat.com>
17734 * tree-pass.h (TODO_remove_unused_locals): Define.
17735 * gimple-low.c (expand_var_p, remove_useless_vars,
17736 pass_remove_useless_vars): Remove. Update all users.
17737 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17738 (remove_unused_locals): New function.
17739 * tree-flow.h (remove_unused_locals): Declare.
17740 * passes.c (execute_todo): Call remove_unused_locals if
17741 TODO_remove_unused_locals is set.
17742 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17743 * tree-ssa-dce.c (pass_dce): Likewise.
17744 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17746 2006-01-05 Richard Guenther <rguenther@suse.de>
17748 * tree-flow.h (struct fieldoff): Decompose field to
17749 type, size and decl.
17750 * tree-ssa-alias.c (create_sft): Take type as parameter.
17751 (create_overlap_variables_for): Store type, size and decl
17752 in the fieldoff structure.
17753 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17754 of struct fieldoff.
17755 (push_fields_onto_fieldstack): Likewise.
17756 (create_variable_info_for): Likewise. Use offset for the
17757 SFT name if the decl is not available.
17759 2006-01-04 Paul Brook <paul@codesourcery.com>
17761 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17763 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17765 * lambda-code.c (can_put_in_inner_loop): Relax
17767 (can_put_after_inner_loop): New function.
17768 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17769 (perfect_nestify): Change to make copies and modify uses.
17771 2006-01-04 Richard Henderson <rth@redhat.com>
17773 Merge from gomp branch:
17774 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17775 via integer constant.
17776 (pragma_lex): Remove.
17777 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17778 rather than parsing it.
17779 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17780 handle_pragma_extern_prefix): Add %< %> quotes.
17781 (registered_pragmas): New.
17782 (c_register_pragma_1): New.
17783 (c_register_pragma): Use it.
17784 (c_register_pragma_with_expansion): Likewise.
17785 (c_invoke_pragma_handler): New.
17786 (init_pragma): Use cpp_register_deferred_pragma directly for
17788 * c-pragma.h (enum pragma_kind): New.
17789 (pragma_handler): New.
17790 (c_invoke_pragma_handler): Declare.
17791 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17793 * c-common.h (c_common_pch_pragma): Update decl.
17794 * Makefile.in (c-parser.o): Update dependencies.
17795 (GTFILES): Add c-pragma.h.
17796 * c-parser.c (struct c_token): Add pragma_kind.
17797 (struct c_parser): Add in_pragma.
17798 (c_lex_one_token): Always initialize keyword and pragma_kind.
17799 Extract data for CPP_PRAGMA.
17800 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17801 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17802 Don't allow CPP_PRAGMA_EOL if in_pragma.
17803 (c_parser_consume_pragma): New.
17804 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17805 (c_parser_skip_to_end_of_parameter): Likewise.
17806 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17807 (c_parser_skip_to_pragma_eol): New.
17808 (c_parser_external_declaration): Handle CPP_PRAGMA.
17809 (c_parser_compound_statement_nostart): Likewise.
17810 (c_parser_statement_after_labels): Likewise.
17811 (c_parser_pragma): New.
17812 (pragma_lex): Likewise.
17813 (c_parser_pragma_pch_preprocess): New.
17814 (c_parser_new): Merge into ...
17815 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17817 2006-01-04 Jeff Law <law@redhat.com>
17820 * tree-cfg.c (bsi_replace): Remove the original statement
17821 from the EH throw statement table.
17823 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17825 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17826 make the prototype extern "C" and add throw ().
17829 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17830 and pos non-negative and pos + len <= 32.
17831 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17832 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17833 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17836 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17837 as well as sizes not multiple of component size.
17840 * function.c (instantiate_expr): New function.
17841 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17842 walk its DECL_VALUE_EXPR with instantiate_expr.
17844 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17845 DW_OP_deref{,_size} if address isn't going to be added.
17847 2006-01-04 Ben Elliston <bje@au.ibm.com>
17849 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17850 * config/fp-bit.c: Likewise.
17852 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17854 * dominance.c: Add comment about why we use DFS numbering
17857 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17858 Richard Henderson <rth@redhat.com>
17860 Merge from gomp-branch:
17861 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17862 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17864 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17866 PR rtl-optimization/25578
17867 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17868 pass a parameter to simplify_shift_const if changing ASHIFTRT
17871 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17873 * builtins.c (get_builtin_sync_mem): New function.
17874 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17875 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17876 Call get_builtin_sync_mem to generate mem rtx.
17878 2006-01-03 Richard Guenther <rguenther@suse.de>
17881 * stmt.c (add_case_node): Make sure to clear overflow flags
17884 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17886 Merge from gomp-branch.
17887 * config/sparc/sync.md: New file.
17888 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17889 UNSPECV_LDSTUB): New constants.
17890 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17891 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17892 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17895 2006-01-03 Roger Sayle <roger@eyesopen.com>
17897 * combine.c (reg_subword_p): New predicate to test whether the
17898 destination of a set refers to a subword/piece of a register.
17899 (try_combine): Generalize the code to merge the setting of a
17900 pseudo to a constant followed by a set of a subword of that
17901 register to a constant.
17903 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17905 * basic-block.h (control_flow_graph): Change the type of
17906 x_label_to_block_map to VEC(basic_block,gc) *.
17907 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17908 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17910 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17911 VEC(basic_block,heap) *.
17912 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17913 ssa_prop_fini): Adjust the uses of cfg_blocks.
17915 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17917 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17919 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17920 hashing trees instead of a pointer hash.
17921 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17922 compare for MEM_EXPR.
17924 PR rtl-optimization/25130
17925 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17926 when comparing MEMs for GCSE
17928 2006-01-03 Ben Elliston <bje@au.ibm.com>
17930 * targhooks.h (default_decimal_float_supported_p): Declare.
17931 * targhooks.c (default_decimal_float_supported_p): Define.
17932 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17933 `default_decimal_float_supported_p'.
17934 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17936 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17938 * combine.c (apply_distributive_law <SUBREG>): Check
17939 TRULY_NOOP_TRUNCATION.
17941 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17943 * dwarf2out.c (have_switched_text_section): Delete.
17944 (have_multiple_function_sections): New.
17945 (have_location_lists): Make 'bool'.
17946 (add_AT_loc_list): Use 'true' not '1'.
17947 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17948 (output_loc_list): Use have_multiple_function_sections.
17949 (output_ranges): Likewise.
17950 (dwarf2out_begin_function): Set have_multiple_function_sections if
17952 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17953 Check function_section rather than DECL_SECTION_NAME.
17954 (dwarf2out_finish): Use have_multiple_function_sections.
17955 Don't clear have_location_lists.
17957 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17958 Jan Hubicka <jh@suse.cz>
17960 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17961 case of conditional jump jumping to the next instruction.
17962 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17963 cases of conditional jump jumping to the next instruction.
17965 2006-01-02 Jan Hubicka <jh@suse.cz>
17967 * i386.c (*_cost): Add COSTS_N_INSNS.
17968 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17970 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17973 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17975 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17977 * config/arm/arm.c (all_fpus): Fix comment typo.
17978 * config/darwin.c: Likewise.
17979 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17980 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17981 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17983 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17985 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17986 (rs6000_split_compare_and_swapqhi): New.
17987 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17988 (sync_compare_and_swapqhi_internal): New.
17989 * config/rs6000/rs6000-protos.h: Declare.