1 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
3 * doc/invoke.texi: Minor formatting fixes in option lists.
5 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
7 PR tree-optimization/29738
8 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
9 (ccp_lattice_t): Remove UNKNOWN_VAL.
10 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
11 Do not handle UNKNOWN_VAL.
12 (get_default_value): Set initial value of virtual operands to
14 (get_value): Always use get_default_value on uninitialized
16 (set_value_varying, surely_varying_stmt_p): New functions.
17 (set_lattice_value): Do not pass argument to get_value.
18 Do not handle UNKNOWN_VAL.
19 (likely_value): Follow the semantics described in the comment.
20 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
21 phi nodes DONT_SIMULATE_AGAIN.
22 (ccp_fold): Do not pass argument to get_value.
23 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
26 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
28 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
29 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
31 2006-11-08 Roger Sayle <roger@eyesopen.com>
33 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
34 test for inclusion rather than as a test for exclusion.
35 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
36 the condition after calling fold_binary.
37 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
38 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
39 * builtins.c (fold_builtin_isascii): Likewise.
40 (fold_builtin_isdigit): Likewise.
42 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
44 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
45 * configure: Regenerate.
47 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
49 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
50 enum argument instead of bool.
51 (vect_analyze_operations): Call vectorizable_type_promotion.
52 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
53 stmt_vec_info_type value.
54 (supportable_widening_operation, vectorizable_type_promotion): New
55 function declarations.
56 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
57 (vectorizable_type_promotion): New function.
58 (vect_transform_stmt): Call vectorizable_type_promotion.
59 * tree-vect-analyze.c (supportable_widening_operation): New function.
60 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
62 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
65 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
66 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
67 * tree-inline.c (estimate_num_insns_1): Add cases for above new
69 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
70 * expr.c (expand_expr_real_1): Likewise.
71 * optabs.c (optab_for_tree_code): Likewise.
72 (init_optabs): Initialize new optabs.
73 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
74 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
75 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
76 vec_unpacku_lo_optab): Initialize new optabs.
77 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
78 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
79 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
81 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
82 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
83 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
84 (vec_unpacku_lo_optab): New optabs.
85 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
86 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
87 (vec_widen_smult_hi, vec_widen_smult_lo): New.
88 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
89 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
90 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
92 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
93 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
94 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
95 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
96 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
97 implement the unsigned unpacking patterns.
98 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
99 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
100 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
101 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
102 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
103 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
104 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
105 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
106 multiplication patterns.
108 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
109 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
110 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
111 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
112 (rs6000_builtin_mul_widen_odd): New.
113 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
114 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
115 * tree-vectorizer.h (enum vect_relevant): New enum type.
116 (_stmt_vec_info): Field relevant chaned from bool to enum
118 (STMT_VINFO_RELEVANT_P): Updated.
119 (STMT_VINFO_RELEVANT): New.
120 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
121 instead of STMT_VINFO_RELEVANT_P.
122 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
123 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
124 and boolean variable with enum vect_relevant.
125 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
126 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
127 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
129 2006-11-08 Richard Henderson <rth@redhat.com>
131 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
132 vec_widen_umult_lo_v8hi): New.
133 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
134 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
136 * config/i386/i386.c (ix86_expand_sse_unpack): New.
137 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
138 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
139 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
140 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
141 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
142 vec_unpacks_lo_v4si): New.
144 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
146 * tree-vect-transform.c (vectorizable_type_demotion): New function.
147 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
148 (vect_analyze_operations): Call vectorizable_type_demotion.
149 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
150 stmt_vec_info_type value.
151 (vectorizable_type_demotion): New function declaration.
152 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
155 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
156 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
158 * tree-iniline.c (estimate_num_insns_1): Likewise.
159 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
160 * optabs.c (optab_for_tree_code): Likewise.
162 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
163 compared against the predicate of the result is not 'mode' (the input
164 to the function) but a mode with half the size of 'mode'.
165 (init_optab): Initialize new optabs.
166 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
168 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
170 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
171 (vec_pack_usat_optab): Initialize new optabs.
172 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
173 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
175 2006-11-08 Richard Henderson <rth@redehat.com>
177 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
178 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
179 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
180 (vec_interleave_highv4si, vec_interleave_lowv4si):
181 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
183 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
185 * tree-vect-transform.c (vectorizable_reduction): Support multiple
187 (vect_transform_stmt): Removed redundant code.
189 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
191 * tree-vect-transform.c (vectorizable_operation): Support multiple
194 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
196 * tree-vect-transform.c (vect_align_data_ref): Removed.
197 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
198 Updated function documentation. Return the increment stmt in ptr_incr.
199 (bump_vector_ptr): New function.
200 (vect_get_vec_def_for_stmt_copy): New function.
201 (vect_finish_stmt_generation): Create a stmt_info to newly created
203 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
205 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
206 VF is greater than the number of elements that can fit in one vector
208 (vectorizable_operation, vectorizable_condition): Likewise.
209 (vectorizable_store, vectorizable_load): Support the case that the VF
210 is greater than the number of elements that can fit in one vector word.
211 (vect_transform_loop): Don't fail in case of multiple data-types.
212 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
213 in case of multiple data-types; the smallest type determines the VF.
214 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
215 if they are of different sizes.
216 (vect_update_misalignment_for_peel): Compare misalignments in terms of
217 number of elements rather than number of bytes.
218 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
219 (vect_can_advance_ivs_p): Fix a dump printout
221 2006-11-07 Eric Christopher <echristo@apple.com>
223 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
225 * libgcc2.h: Remove transformation of bswap routines.
226 * config/i386/i386.md (bswapsi2): New.
229 2006-11-07 Jakub Jelinek <jakub@redhat.com>
231 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
232 (handle_gnu_inline_attribute): New function.
233 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
234 (merge_decls, start_decl, start_function): Likewise.
235 * doc/extend.texi: Document gnu_inline attribute.
237 2006-11-07 Steve Ellcey <sje@cup.hp.com>
240 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
241 _fixunstfdi, and _floatditf
243 2006-11-06 Anatoly Sokolov <aesok@post.ru>
245 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
247 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
248 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
249 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
250 which start in an odd register.
252 2006-11-07 Richard Sandiford <richard@codesourcery.com>
254 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
256 2006-11-07 Josh Conner <jconner@apple.com>
258 * doc/invoke.texi (fstrict-aliasing): Move implementation
260 * doc/tree-ssa.texi (Alias analysis): ...here.
262 2006-11-07 Richard Guenther <rguenther@suse.de>
264 PR tree-optimization/29610
265 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
266 of tree_purge_dead_eh_edges as it may free dominators.
268 * g++.dg/other/pr29610.C: New testcase.
270 2006-11-07 David Ung <davidu@mips.com>
272 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
273 costs when optimizing for size.
274 (override_options): Use mips_rtx_cost_optimize_size table for cost
277 2006-11-07 Jie Zhang <jie.zhang@analog.com>
279 * gcc.c (process_command): Treat -b as normal switch if its argument
282 2006-11-07 David Ung <davidu@mips.com>
284 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
287 2006-11-06 Eric Christopher <echristo@apple.com>
289 * config.gcc: Add x86_64-darwin host support.
290 * config.host: Ditto.
291 * config/i386/darwin64.h: New file.
292 * config/i386/t-darwin64: Ditto.
294 2006-11-06 Janis Johnson <janis187@us.ibm.com>
296 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
297 and output-exists-not.
299 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
302 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
303 checking for overflow.
305 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
307 * configure.ac: Fixed typo in case statement: :: changed to ;;
309 2006-11-06 Bob Wilson <bob.wilson@acm.org>
311 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
312 count_leading_zeros, and count_trailing_zeros.
313 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
314 (TARGET_FOLD_BUILTIN): Define.
315 (TARGET_EXPAND_BUILTIN): Define.
316 (xtensa_init_builtins): New.
317 (xtensa_fold_builtin): New.
318 (xtensa_expand_builtin): New.
319 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
320 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
321 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
322 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
323 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
324 (any_extend): New code macro.
325 (u, su): New code attributes.
326 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
327 (nsau): Remove; replaced by clzsi2.
328 (ffssi2): Use clzsi2.
329 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
330 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
331 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
332 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
333 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
335 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
337 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
339 * config/arm/t-strongarm-elf: Likewise.
340 * config/arm/t-pe: Likewise.
341 * config/arm/t-arm-elf: Likewise.
342 * config/arm/t-xscale-elf: Likewise.
343 * config/arm/t-arm-coff: Likewise.
344 * config/arm/t-xscale-coff: Likewise.
345 * config/arm/t-wince-pe: Likewise.
347 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
349 * config/sh/lib1funcs-4-300.asm: Guard entire file with
352 2006-11-05 Jakub Jelinek <jakub@redhat.com>
355 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
358 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
361 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
362 as a valid 80387 constant.
363 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
364 * config/i386/i386.md (unnamed splitter): Split the load of
365 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
368 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
370 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
371 from the soft-frame, argument and virtual registers.
373 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
375 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
376 patterns for standard 80387 constants.
378 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
379 Steven Bosscher <steven@gcc.gnu.org>
381 * fwprop.c: New file.
382 * Makefile.in: Add fwprop.o.
383 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
384 * passes.c (init_optimization_passes): Schedule forward propagation.
385 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
387 * timevar.def (TV_FWPROP): New.
388 * common.opt (-fforward-propagate): New.
389 * opts.c (decode_options): Enable forward propagation at -O2.
390 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
391 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
392 canon_for_address, table_size): Remove.
393 (new_basic_block, insert, remove_from_table): Remove references to
395 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
396 simplification loop more straightforward by not calling fold_rtx
398 (equiv_constant): Move here a small part of fold_rtx_subreg,
399 do not call fold_rtx. Call avoid_constant_pool_reference
401 * recog.h (canonicalize_change_group): New.
403 * doc/invoke.texi (Optimization Options): Document fwprop.
404 * doc/passes.texi (RTL passes): Document fwprop.
406 2006-11-03 Geoffrey Keating <geoffk@apple.com>
408 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
409 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
410 (grokdeclarator): Likewise.
412 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
414 * tree-dump.c (dump_enable_all): Rename local variable
415 ir_type to avoid name conflicts.
416 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
417 instead of using ir_type().
418 * profile.c (tree_register_profile_hooks): Likewise.
419 * value-prof.c (tree_register_value_prof_hooks): Likewise.
420 * basic-block.h (struct edge_def): Likewise.
421 * config/arm/arm.c (legitimize_pic_address): Likewise.
422 * coretypes.h (ir_type): New enum of all intermediate languages
424 * cfghooks.c (ir_type): Rename to...
425 (current_ir_type): ...this. Distinguish between cfgrtl and
426 cfglayout mode when the current IR is RTL. Return enum ir_type.
427 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
429 2006-11-03 Paul Brook <paul@codesourcery.com>
431 * config/arm/arm.c (arm_file_start): New function.
432 (TARGET_ASM_FILE_START): Define.
433 (arm_default_cpu): New variable.
434 (arm_override_options): Set arm_default_cpu.
436 2006-11-03 David Ung <davidu@mips.com>
438 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
439 PROCESSOR_24KC and PROCESSOR_24KF.
440 * config/mips/mips.c (mips_cpu_info_table): Add processor names
441 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
442 (mips_rtx_cost_data): Add costs for the 24kc.
443 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
444 * config/mips/24k.md: Remove references to 24k and replace with
445 uses of 24kc/24kf in the appropriate reservations.
446 * doc/invoke.texi (MIPS Options): Updated.
448 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
450 * config/sh/crt1.asm: Fix #ifdef indent.
452 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
453 Merged from STMicroelectronics sources:
454 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
455 * config/sh/crt1.asm (vbr_600): Add missing #if.
456 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
457 * sh.opt (mfused-madd): New option.
458 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
459 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
460 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
461 Remove pointless handler at VBR+0.
462 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
463 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
464 fr7. Make sure the timer handler is called with the correct FPU
465 precision setting, according to the ABI.
466 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
467 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
468 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
469 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
470 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
471 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
472 zero as second operand.
473 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
474 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
475 Fixed some bugs related to negative values, in particular -0
476 and overflow at -0x80000000.
477 * config/sh/divcost-analysis: Added sh4-300 figures.
478 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
479 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
480 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
481 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
482 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
483 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
485 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
487 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
488 SH4-300 scheduling description & fixes to SH4-[12]00 description:
489 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
490 mac_mem, mem_mac, dfp_mul, fp_cmp.
491 (insn_class, dfp_comp, any_fp_comp): Update.
492 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
493 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
494 (muldf3_i): Likewise.
495 (movsi_i): Split rI08 alternative into two separate alternatives.
497 (movsi_ie, movsi_i_lowpart): Likewise.
498 (movqi_i): Split ri alternative into two separate alternatives.
500 * sh1.md (sh1_load_store, sh1_fp): Update.
501 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
502 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
503 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
504 (sh4a_fp_double_arith): Likewise.
505 * sh4-300.md: New file.
506 * sh.c (sh_handle_option): Handle m4-300* options.
507 (sh_adjust_cost): Fix latency of auto-increments.
508 Handle SH4-300 differently than other SH4s. Check for new insn types.
509 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
510 been set by an option.
511 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
512 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
513 (mbranch-cost=): Likewise.
514 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
516 * sh.md (mulsf3): Remove special expansion code.
517 (mulsf3_ie): Now a define_insn_and_split.
518 (macsf3): Allow for TARGET_SH4.
520 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
521 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
522 (expand_cbranchdi4): Likewise.
523 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
524 CONST_DOUBLE if the outer code is COMPARE.
525 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
526 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
527 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
528 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
529 Remove redundant fp_{zero,one}_operand checks.
530 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
531 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
532 (expand_cbranchdi4): Likewise.
533 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
534 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
536 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
538 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
541 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
543 * doc/invoke.texi: Fix mfp-trap-mode typo.
545 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
547 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
548 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
549 file_end_indicate_exec_stack.
550 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
552 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
553 for a non-executable stack.
554 * crti.asm: Likewise.
555 * crtn.asm: Likewise.
556 * libunwind.S: Likewise.
558 2006-11-02 Ben Elliston <bje@au.ibm.com>
560 * tree-ssa.c (warn_uninit): Use expand_location variables for
561 locus and declaration locus.
563 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
566 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
567 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
568 cmp{eq,gt,gtu}{si,di}_media.
569 (*cmpne0si_media): Remove.
570 (*movsicc_umin): Adjust gen_cmp*_media call.
571 (unordered): Change the mode of unordered and operands[1] to
573 (seq): Adjust gen_cmp*_media calls. Make the mode of
574 a temporary result of compare SImode if needed. If the mode
575 of operands[0] is DImode, extend the temporary result to DImode.
576 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
577 (sunorderd): Change the mode of match_operand and unorderd to
579 (cmpeq{sf,df}_media): Remove.
580 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
581 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
582 and compare operation to SImode.
584 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
586 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
588 (sparc64-sun-solaris2*): Likewise.
590 2006-11-02 Paul Brook <paul@codesourcery.com>
592 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
593 from priority argument. Use different section for non-default
595 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
597 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
600 * except.c (switch_to_exception_section): Do not cache the section
601 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
602 and flag_function_sections is set.
604 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
607 * builtins.c (do_mpfr_sincos): New.
608 (fold_builtin_1): Use it to fold builtin sincos.
610 2006-11-01 Roger Sayle <roger@eyesopen.com>
612 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
613 it into -D_REENTRANT.
615 2006-11-01 Roger Sayle <roger@eyesopen.com>
617 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
618 whether the assembler supports taking the difference of symbols in
619 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
620 * configure: Regenerate.
621 * config.in: Regenerate.
622 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
623 the assembler doesn't support taking the difference of symbols in
624 different sections, i.e. we're using the native solaris assembler.
626 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
627 Peter Bergner <bergner@vnet.ibm.com>
629 * doc/invoke.texi: Add cpu_type power6x
630 (RS/6000 and PowerPC Options): Add -mmfpgpr.
631 * config.gcc: Add cpu_type power6x.
632 * configure.ac: Add test for mf{t,f}gpr instructions.
633 (HAVE_AS_MFPGPR): New.
634 * config.in: Regenerate.
635 * configure: Regenerate.
636 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
637 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
638 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
639 and mftgpr attributes.
640 (define_attr "cpu"): Add power6.
641 Change instruction sequences to use new attributes.
642 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
643 (fix_truncdfsi2_mfpgpr): New.
644 (floatsidf_ppc64_mfpgpr): New.
645 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
646 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
647 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
648 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
649 (fix_truncdfsi2): Use gpc_reg_operand constraint.
650 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
651 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
652 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
653 cntlz,exts and var_delayed_compare.
654 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
655 _ARCH_PWR6X, if features enabled.
656 * config/rs6000/rs6000.opt (mmfpgpr): New.
657 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
658 (cached_can_issue_more): New variable.
659 (processor_costs): Add power6_cost.
660 (rs6000_sched_init): New function.
661 (is_dispatch_slot_restricted): Deleted.
662 (set_to_load_agen): New function.
663 (is_load_insn,is_store_insn): New functions.
664 (adjacent_mem_locations): New function.
665 (insn_must_be_first_in_group): New function.
666 (insn_must_be_last_in_group): New function.
667 (rs6000_sched_reorder): New function.
668 (rs6000_sched_reorder2): New function.
669 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
670 TARGET_SCHED_REORDER2): Define.
671 (processor_target_table): Use PROCESSOR_POWER6 for power6.
672 Add power6x. Add MASK_MFPGPR for power6x.
673 (POWERPC_MASKS): Add MASK_MFPGPR.
674 (rs6000_override_options): Set rs6000_always_hint to false
675 for power6. Set rs6000_align_branch_targets. Replace
676 rs6000_sched_groups check with rs6000_align_branch_targets.
677 Use PROCESSOR_POWER6.
678 (last_scheduled_insn): New variable.
679 (load_store_pendulum): New variable.
680 (rs6000_variable_issue): Set last_scheduled_insn and
681 cached_can_issue_more.
682 (rs6000_adjust_cost): Add power6 cost adjustments.
683 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
684 with insn_must_be_first_in_group. Add power6 priority adjustments.
685 (rs6000_issue_rate): Add CPU_POWER6.
686 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
687 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
688 (TARGET_MFPGPR): New.
689 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
690 (ASM_CPU_SPEC): Add power6x.
691 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
693 * config/rs6000/power6.md: New file.
695 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
697 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
698 HOST_WIDE_INT_PRINT to print high and low parts. Use
699 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
700 printing a hexadecimal number prefix it with 0x.
702 2006-11-01 Chris Johns <chris@contemporary.net.au>
705 * Makefile.in (install-driver): Use exeext when installing
706 $target-gcc-$version.
708 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
710 * c-common.c (flag_cpp0x): New.
711 * c-common.h (flag_cpp0x): New.
712 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
713 supported, define __GXX_EXPERIMENTAL_CPP0X__.
714 * c-opts.c (set_std_cxx0x): New.
715 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
716 * c.opt (std=c++0x): Document.
717 (std=gnu++0x): Ditto.
718 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
719 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
721 2006-11-01 Richard Guenther <rguenther@suse.de>
723 * config/i386/i386.c (ix86_expand_rint): Fix issues with
725 (ix86_expand_floorceildf_32): Likewise.
726 (ix86_expand_floorceil): Likewise.
727 (ix86_expand_trunc): Likewise.
729 2006-10-31 Andrew Pinski <pinskia@gmail.com>
731 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
734 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
736 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
738 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
740 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
742 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
743 * configure.ac (use_cxa_atexit): As a special case, don't test
744 for libc definition of __cxa_atexit on mingw32
745 * configure: Regenerate.
746 * config.gcc (i[34567]86-pc-mingw32): Default to
747 enable__cxa_atexit=yes.
749 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
751 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
753 2006-10-31 Geoffrey Keating <geoffk@apple.com>
756 * c-decl.c (start_struct): Don't create self-containing
758 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
760 * config/rs6000/rs6000-protos.h
761 (darwin_rs6000_special_round_type_align): New.
762 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
763 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
765 2006-10-31 Geoffrey Keating <geoffk@apple.com>
767 * toplev.c (compile_file): Call final_write_globals
768 even if there have been errors.
770 2006-10-31 Eric Christopher <echristo@apple.com>
771 Falk Hueffner <falk@debian.org>
773 * doc/extend.texi (__builtin_bswap32): Document.
774 (__builtin_bswap64): Ditto.
775 * doc/libgcc.texi (bswapsi2): Document.
777 * doc/rtl.texi (bswap): Document.
778 * optabs.c (expand_unop): Don't widen a bswap.
779 (init_optabs): Init bswap. Set libfuncs explicitly
780 for bswapsi2 and bswapdi2.
781 * optabs.h (OTI_bswap): New.
782 (bswap_optab): Ditto.
783 * genopinit.c (optabs): Handle bswap_optab.
784 * tree.h (tree_index): Add TI_UINT32_TYPE and
786 (uint32_type_node): New.
787 (uint64_type_node): Ditto.
788 * tree.c (build_common_tree_nodes_2): Initialize
789 uint32_type_node and uint64_type_node.
790 * builtins.c (expand_builtin_bswap): New.
791 (expand_builtin): Call.
792 (fold_builtin_bswap): New.
793 (fold_builtin_1): Call.
794 * fold-const.c (tree_expr_nonnegative_p): Return true
796 * builtin-types.def (BT_UINT32): New.
798 (BT_FN_UINT32_UINT32): Ditto.
799 (BT_FN_UINT64_UINT64): Ditto.
800 * builtins.def (BUILT_IN_BSWAP32): New.
801 (BUILT_IN_BSWAP64): Ditto.
802 * rtl.def (BSWAP): New.
803 * genattrtab.c (check_attr_value): New.
804 * libgcc2.c (__bswapSI2): New.
806 * libgcc2.h (__bswapSI2): Declare.
808 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
809 * simplify-rtx.c (simplify_const_unary_operation): Return
811 * libgcc-std.ver (__bwapsi2): Add.
813 * reload1.c (eliminate_regs_1): Add bswap.
814 (elimination_effects): Ditto.
815 * config/i386/i386.h (x86_bswap): New.
817 * config/i386/i386.c (x86_bswap): Set.
819 2006-10-31 Geoffrey Keating <geoffk@apple.com>
821 * coverage.c (coverage_checksum_string): Update comment.
822 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
823 of get_file_function_name.
824 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
825 of get_file_function_name_long.
826 * tree.c (get_file_function_name): Rename from
827 get_file_function_name_long; improve comment; handle 'I' and 'D'
828 specially when the target has ctor/dtor support; remove special
830 (get_file_function_name): Remove.
831 * tree.h (get_file_function_name): Rename from
832 get_file_function_name_long.
833 (get_file_function_name): Remove prototype.
835 2006-10-31 Geoffrey Keating <geoffk@apple.com>
837 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
838 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
840 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
841 Call dsymutil when compiling and linking one or more source files
844 2006-10-31 Geoffrey Keating <geoffk@apple.com>
847 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
849 2006-10-31 Geoffrey Keating <geoffk@apple.com>
851 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
852 inline static functions in c99 mode.
855 * doc/extend.texi (Inline): Update.
856 * c-tree.h (struct language_function): Remove field 'extern_inline'.
857 * c-decl.c (current_extern_inline): Delete.
858 (pop_scope): Adjust test for an undefined nested function.
859 Add warning about undeclared inline function.
860 (diagnose_mismatched_decls): Update comments. Disallow overriding
861 of inline functions in a translation unit in C99. Allow inline
862 declarations in C99 at any time.
863 (merge_decls): Boolize variables. Handle C99 'extern inline'
865 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
866 C99 inline semantics.
867 (start_function): Don't clear current_extern_inline. Don't set
869 (c_push_function_context): Don't push current_extern_inline.
870 (c_pop_function_context): Don't restore current_extern_inline.
873 * c-typeck.c (build_external_ref): Warn about static variables
874 used in extern inline functions.
875 * c-decl.c (start_decl): Warn about static variables declared
876 in extern inline functions.
878 2006-10-31 Roger Sayle <roger@eyesopen.com>
881 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
882 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
883 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
884 or y is an even integer.
886 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
889 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
890 * gthr-posix95.h (__gthread_active_p): Likewise.
892 2006-10-31 Richard Guenther <rguenther@suse.de>
894 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
895 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
896 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
897 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
898 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
899 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
900 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
901 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
904 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
906 * opts.c (decode_options): Disable CSE skip blocks.
908 2006-10-30 Dirk Mueller <dmueller@suse.de>
910 * c-common.h (strict_aliasing_warning): Fix whitespace.
911 * c-decl (start_function): Move code for main decl warning ..
912 * c-common.c (check_main_parameter_types): .. here.
913 * c-common.h (check_main_parameter_types): Declare.
915 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
918 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
920 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
922 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
923 be a PARALLEL containing sets. Return false when out_pat is not
926 2006-10-30 Richard Sandiford <richard@codesourcery.com>
928 * config/mips/mips.md (mul<mode>3): Split into...
929 (mulsi3, muldi3): ...these separate patterns.
931 2006-10-30 Richard Sandiford <richard@codesourcery.com>
933 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
934 but with each set of options separated by spaces.
936 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
938 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
939 dwarf_reg_size_table has been initialized.
941 2006-10-30 Roger Sayle <roger@eyesopen.com>
943 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
944 * ddg.c (print_ddg_edge): Likewise.
945 * dwarf2out.c (prune_unused_types_walk): Likewise.
946 * ifcvt.c (noce_try_cmove_arith): Likewise.
947 * langhooks.c (add_builtin_function): Likewise.
948 * reg-stack.c (subst_stack_regs_pat): Likewise.
949 * tree.c (expanded_location): Likewise.
950 * tree-dump.c (dequeue_and_dump): Likewise.
952 2006-10-30 David Daney <ddaney@avtrex.com>
954 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
956 2006-10-30 Jakub Jelinek <jakub@redhat.com>
958 PR tree-optimization/29637
959 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
960 of the innertype is the innertype itself.
962 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
964 * dwarf2out.c (file_name_acquire): Correct typo.
966 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
968 * tree.h (tree_value_handle): Remove struct value_set declaration.
969 Change value_set to bitmap_set.
970 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
971 * tree-vn.c (get_value_handle): Made inline and moved to
973 * tree-flow-inline.h: (has_stmt_ann): New function.
974 * tree-ssa-pre.c (expressions): New variable.
975 (next_expression_id): Ditto.
976 (alloc_expression_id): New function.
977 (struct value_set): Remove.
978 (get_expression_id): New function.
979 (get_or_alloc_expression_id): Ditto.
980 (expression_for_id): Ditto.
981 (clear_expression_ids): Ditto.
982 (FOR_EACH_EXPR_ID_IN_SET): New macro.
983 (bb_value_sets): Renamed to bb_bitmap_sets.
984 All value sets replaced with bitmap_sets.
986 (BB_VISITED): New macro.
987 (postorder): New variable.
988 (add_to_value): Removed.
989 (value_exists_in_set_bitmap): Ditto.
990 (value_insert_into_set_bitmap): Ditto.
994 (set_contains_value): Ditto.
995 (insert_into_set): Ditto.
997 (find_leader): Ditto.
998 (bitmap_set_subtract_from_value_set): Ditto.
999 (value_insert_into_set): Ditto.
1000 (print_value_set): Ditto.
1001 (debug_value_set): Ditto.
1002 (constant_expr_p): New function.
1003 (bitmap_remove_from_set): Ditto.
1004 (bitmap_insert_into_set): Ditto.
1005 (bitmap_set_free): Ditto.
1006 (vh_compare): Ditto.
1007 (sorted_array_from_bitmap_set): Ditto.
1008 (bitmap_set_subtract): Ditto.
1009 (bitmap_set_equal): Ditto.
1010 (debug_bitmap_set): Ditto.
1011 (find_leader_in_sets): Ditto.
1012 (bitmap_set_replace_value): Modify for bitmapped sets.
1013 (phi_translate): Ditto.
1014 (phi_translate_set): Ditto.
1015 (bitmap_find_leader): Ditto.
1016 (valid_in_sets): Ditto.
1017 (union_contains_value): Ditto.
1019 (compute_antic_aux): Ditto. Mark changed blocks.
1020 (compute_antic): Ditto. Iterate in postorder and only over
1022 (compute_rvuse_and_antic_safe): Reuse postorder.
1023 (create_component_ref_by_pieces): Modify for bitmapped sets.
1024 (find_or_generate_expression): Ditto.
1025 (create_expression_by_pieces): Ditto.
1026 (insert_into_preds_of_block): Ditto.
1027 (changed_blocks): New variable.
1028 (do_regular_insertion): Broken out from insert_aux.
1029 (insert_aux): Modified for bitmapped sets.
1030 (find_existing_value_expr): New function.
1031 (create_value_expr_from): Use it.
1032 (insert_extra_phis): Removed.
1033 (print_bitmap_set): Renamed from bitmap_print_value_set.
1034 (compute_avail): Handle RETURN_EXPR.
1035 (init_pre): Modify for bitmapped sets.
1036 * tree-flow.h (has_stmt_ann): New function.
1038 2006-10-29 Roger Sayle <roger@eyesopen.com>
1040 * builtins.c (fold_builtin_floor): Check for the availability of
1041 the C99 trunc function before transforming floor into trunc.
1043 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1045 * builtins.c (fold_builtin_hypot): Rearrange recursive
1046 transformation before others, and also do ABS_EXPR. When
1047 necessary, check flag_unsafe_math_optimizations. When necessary,
1050 2006-10-29 Roger Sayle <roger@eyesopen.com>
1052 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1053 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1054 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1055 Fold -X eq/ne -Y as X eq/ne Y.
1057 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1059 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1060 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1061 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1062 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1063 Use an inclusive test for "mult" rather than "mul".
1064 (rotr<mode>3): Depend on ISA_HAS_ROR.
1065 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1067 (GENERATE_MULT3_DI): Delete.
1068 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1069 (ISA_HAS_MUL3): New macro.
1070 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1071 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1072 (ISA_HAS_CLZ_CLO): Likewise.
1073 (ISA_HAS_DCLZ_DCLO): Delete.
1074 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1075 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1076 the VR4120 and VR4130.
1077 (ISA_HAS_MACCHI): Use consistent formatting.
1078 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1079 (ISA_HAS_ROR): ...this new macro.
1080 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1081 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1082 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1084 2006-10-29 Roger Sayle <roger@eyesopen.com>
1086 PR tree-optimization/15458
1087 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1090 2006-10-29 Richard Guenther <rguenther@suse.de>
1092 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1093 (ix86_expand_truncdf_32): Likewise.
1094 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1095 trunc inline for SSE math and -fno-trapping-math and if not
1096 optimizing for size.
1097 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1098 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1099 for expanding btrunc inline for SSE math.
1101 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1103 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1104 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1105 i[34567]86-*-solaris2.1[0-9]*.
1106 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1107 Define conditionally depending on TARGET_64BIT_DEFAULT.
1108 (SPEC_32, SPEC_64): Define.
1109 (LINK_SPEC): Use them.
1110 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1112 2006-10-29 Richard Guenther <rguenther@suse.de>
1114 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1115 (ix86_expand_rounddf_32): Likewise.
1116 * config/i386/i386.c (ix86_expand_round): New function expanding
1117 round inline for SSE math and -fno-trapping-math and if not
1118 optimizing for size.
1119 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1120 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1121 round via ix86_expand_round.
1123 2006-10-29 Richard Guenther <rguenther@suse.de>
1125 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1126 (ix86_expand_floorceildf_32): Likewise.
1127 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1128 static helper function.
1129 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1131 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1132 * config/i386/i386.md (floordf2): Adjust to enable floor
1133 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1134 -fno-trapping-math is enabled and if not optimizing for size.
1135 (floorsf2, ceildf2, ceilsf2): Likewise.
1136 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1137 (sse2_maskcmpdf3): Likewise.
1139 2006-10-29 Richard Guenther <rguenther@suse.de>
1141 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1142 rint in case -fno-trapping-math is enabled.
1143 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1144 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1145 (ix86_expand_sse_fabs): Likewise.
1146 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1147 * config/i386/i386.md (rintdf2): Enable for SSE math if
1148 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1149 (rintsf2): Likewise.
1151 2006-10-29 Richard Guenther <rguenther@suse.de>
1153 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1154 to conversion optabs.
1155 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1156 as conversion optab.
1157 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1158 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1159 (lfloor_optab, lceil_optab): Adjust defines.
1160 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1161 lfloor and lceil optabs now being conversion optabs.
1162 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1163 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1164 New static helper function.
1165 (ix86_expand_lfloorceil): New function to expand lfloor and
1167 * config/i386/i386.md (lfloor<mode>2): Split into ...
1168 (lfloorxf<mode>2): ... x87 variant
1169 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1170 using ix86_expand_lfloorceil.
1171 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1173 * doc/md.texi (lfloorMN, lceilMN): Document.
1175 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1177 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1178 -mno-shared assembler option on mips targets.
1179 * configure, config.in: Regenerate.
1180 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1181 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1182 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1184 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1186 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1187 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1189 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1191 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1192 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1195 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1198 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1199 (fold_builtin_pow): Evaluate constant arguments at compile-time
1201 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1202 (do_mpfr_ckconv): New helper function.
1203 (do_mpfr_arg1): Use do_mpfr_ckconv.
1204 (do_mpfr_arg2): New.
1206 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1209 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1210 (-fdump-rtl-sched): Rename to ..
1211 (-fdump-rtl-sched1): here. Also fix file extension number.
1213 2006-10-28 Richard Guenther <rguenther@suse.de>
1215 * fold-const.c (maybe_canonicalize_comparison): Fix code
1218 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1220 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1221 (NON_QI_REG_P): Use IN_RANGE.
1222 (REX_INT_REGNO_P): Use IN_RANGE.
1223 (FP_REGNO_P): Use IN_RANGE.
1224 (SSE_REGNO_P): Use IN_RANGE.
1225 (REX_SSE_REGNO_P): Use IN_RANGE.
1226 (MMX_REGNO_P): Use IN_RANGE.
1227 (STACK_REGNO_P): New macro.
1228 (STACK_REG_P): Use STACK_REGNO_P.
1229 (NON_STACK_REG_P): Use STACK_REGNO_P.
1230 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1231 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1232 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1233 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1234 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1236 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1238 * except.h (output_function_exception_table): Add 'const char*' param.
1239 * except.c (switch_to_exception_section): Add 'const char*' param.
1240 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1241 and flag_function_sections is set, use a function-specific section.
1242 (output_function_exception_table): Add 'const char*' param.
1243 Adjust call to switch_to_exception_section.
1244 * final.c (rest_of_handle_final): Adjust calls to
1245 output_function_exception_table.
1246 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1247 * config.in: Regenerate.
1248 * configure: Likewise.
1250 2006-10-28 Richard Guenther <rguenther@suse.de>
1253 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1254 for maybe_canonicalize_comparison.
1255 (maybe_canonicalize_comparison): New function for canonicalizing
1257 (fold_comparison): Call it to canonicalize comparisons with
1260 2006-10-28 Richard Guenther <rguenther@suse.de>
1263 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1264 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1265 (expand_builtin): Adjust likewise.
1266 * genopinit.c (optabs[]): Add lround optab.
1267 * optabs.c (init_optabs): Initialize lround_optab.
1268 * optabs.h (enum convert_optab_index): Add COI_lround.
1269 (lround_optab): Define.
1270 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1271 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1273 (ix86_expand_lround): New function.
1274 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1276 * doc/md.texi (lroundMN2): Document.
1278 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1281 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1282 argument to HOST_WIDE_INT. Update function prototype.
1283 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1284 "size" argument to HOST_WIDE_INT. Update function prototype.
1286 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1288 * config/i386/i386.c (output_387_ffreep): Create output from a
1289 template string for !HAVE_AS_IX86_FFREEP.
1291 2006-10-27 Eric Christopher <echristo@apple.com>
1293 * config/darwin.c: Fix formatting and grammar.
1295 2006-10-27 Jan Hubicka <jh@suse.cz>
1297 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1298 to be thrown away soon when IGNORE is set.
1299 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1300 indicating when return value shall not be computed.
1301 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1303 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1305 * config/i386/i386.h (TARGET_GEODE):
1306 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1307 (TARGET_CPU_DEFAULT_geode): New macro.
1308 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1309 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1310 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1311 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1312 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1314 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1315 (processor_type): Add PROCESSOR_GEODE.
1317 * config/i386/i386.md: Include geode.md.
1320 * config/i386/i386.c (geode_cost): New initialized global
1322 (m_GEODE, m_K6_GEODE): New macros.
1323 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1324 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1325 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1326 x86_schedule): Use m_K6_GEODE instead of m_K6.
1327 (x86_movx, x86_cmove): Set up m_GEODE.
1328 (x86_integer_DFmode_moves): Clear m_GEODE.
1329 (processor_target_table): Add entry for geode.
1330 (processor_alias_table): Ditto.
1332 * config/i386/geode.md: New file.
1334 * doc/invoke.texi: Add entry about geode processor.
1336 2006-10-27 Mike Stump <mrs@apple.com>
1338 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1339 __DYNAMIC__ from here back to ...
1340 * config/darwin.h (CPP_SPEC): ... here.
1342 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1343 Nathan Sidwell <nathan@codesourcery.com>
1345 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1346 when choosing the minimum heapsize.
1348 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1350 * gcc/unwind-dw2.h: Move cfa-related variables into
1351 struct frame_state_reg_info to ensure that the CFA is properly
1352 handled when executing DW_CFA_{remember,restore}_state.
1353 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1354 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1355 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1356 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1357 gcc/config/rs6000/linux-unwind.h,
1358 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1359 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1360 Modify to use new cfa_* fields.
1362 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1364 * config/s390/s390.c (s390_init_frame_layout): Check positive
1367 2006-10-26 Ben Elliston <bje@au.ibm.com>
1369 * gimplify.c (get_name): Remove extraneous break.
1370 (gimplify_omp_for): Initialise ret with GS_OK.
1372 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1374 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1375 Add unix98.o to link line.
1377 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1380 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1381 Calculate compile-time constants using MPFR.
1382 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1383 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1385 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1387 * config/xtensa/lib2funcs.S: Use C-style comments.
1389 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1391 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1392 (file_table_relative_p): Likewise.
1393 (dwarf2out_finish): Likewise.
1394 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1396 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1398 * tree-ssa-structalias.c (intra_create_variable_infos):
1399 Don't recreate nonlocal_all if it already exists.
1401 2006-10-25 Richard Guenther <rguenther@suse.de>
1404 * optabs.h (enum optab_index): Remove OTI_lrint.
1405 (enum convert_optab_index): Add COI_lrint.
1406 (lrint_optab): Adjust.
1407 (expand_sfix_optab): Declare.
1408 * optabs.c (expand_sfix_optab): New function.
1409 (init_optabs): Init lrint_optab as conversion optab.
1410 * genopinit.c (lrint_optab): Change to a conversion optab.
1411 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1412 expansion via conversion optab.
1413 * config/i386/i386.md (*fistdi2_1): Remove
1414 flag_unsafe_math_optimizations guard.
1415 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1416 fist<mode>2_with_temp): Likewise.
1417 (lrint<mode>2): Split into...
1418 (lrintxf<mode>2): ... x87 part
1419 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1420 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1421 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1422 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1423 * doc/md.texi (lrintMN2): Document.
1425 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1428 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1429 Use inc and dec instructions for TARGET_USE_INCDEC.
1430 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1431 ("sync_double_compare_and_swap<mode>"): Likewise.
1432 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1433 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1434 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1435 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1436 ("sync_old_add<mode>"): Likewise.
1437 ("sync_lock_test_and_set<mode>"): Likewise.
1438 ("sync_lock_test_and_set<mode>"): Likewise.
1439 ("sync_add<mode>"): Likewise.
1440 ("sync_sub<mode>"): Likewise.
1441 ("sync_ior<mode>"): Likewise.
1442 ("sync_and<mode>"): Likewise.
1443 ("sync_xor<mode>"): Likewise.
1445 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1447 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1448 (remainder_optab): Define corresponding macro.
1449 (drem_optab): Remove.
1450 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1451 drem_optab initialization.
1452 * genopinit.c (optabs): Implement remainder_optab using
1453 remainder?f3 patterns. Remove drem_optab.
1454 * builtins.c (expand_builtin_mathfn_2): Handle
1455 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1456 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1457 expand_builtin_mathfn_2.
1459 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1460 depend on flag_unsafe_math_optimizations.
1462 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1463 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1464 Do not depend on flag_unsafe_math_optimizations. Use
1465 truncxf?f expander instead of truncxf?f_i387_noop.
1467 ("fpremxf4", "fprem1xf4"): Do not depend on
1468 flag_unsafe_math_optimizations.
1469 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1470 flag_unsafe_math_optimizations. Use truncxf?f expander
1471 instead of truncxf?f_i387_noop.
1473 * doc/md.texi (fmod, remainder): Document standard named pattern.
1475 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1476 David Daney <ddaney@avtrex.com>
1479 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1481 2006-10-25 Ben Elliston <bje@au.ibm.com>
1483 * doc/extend.texi (Variable Attributes): Typo fix.
1485 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1487 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1488 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1489 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1490 (FRAME_POINTER_REGNUM): Update register number to 21.
1491 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1492 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1494 * config/i386/i386.c (regclass_map): Add fpcr entry.
1495 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1497 (print_reg): Assert REGNO (x) != FPCR_REG.
1499 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1500 (DIRFLAG_REG): Renumber.
1501 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1502 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1503 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1504 hardcoded SSE register numbers.
1506 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1507 hardcoded MMX register numbers.
1509 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1512 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1513 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1515 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1516 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1517 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1518 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1520 2006-10-24 Richard Guenther <rguenther@suse.de>
1523 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1524 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1525 for deciding optimizations in consistency with fold-const.c
1526 (fold_builtin_unordered_cmp): Likewise.
1528 2006-10-24 Richard Guenther <rguenther@suse.de>
1530 * builtins.c (fold_builtin_floor): Fold floor (x) where
1531 x is nonnegative to trunc (x).
1532 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1533 nonnegative to FIX_TRUNC_EXPR.
1535 2006-10-24 Richard Guenther <rguenther@suse.de>
1537 PR tree-optimization/29567
1538 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1539 for TRUTH_NOT_EXPR. Clarify comments.
1541 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1544 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1545 at compile-time using MPFR. Change parameter VALUE to FUNC,
1547 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1548 for overflow and underflow at all times and avoid folding in
1551 2006-10-24 Ben Elliston <bje@au.ibm.com>
1553 * reload1.c: Formatting fixes.
1555 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1557 PR tree-optimization/14784
1558 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1559 * tree-ssa-structalias.c (get_constraint_for,
1560 intra_create_variable_infos): Set is_heapvar.
1561 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1562 non-heapvar pointer variables specially.
1564 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1567 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1568 fold_builtin_tan): Fold all constant arguments. Take a "type"
1569 argument as necessary.
1570 (do_mpfr_arg1): New.
1571 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1573 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1575 * config/xtensa/lib1funcs.asm: Use C-style comments.
1577 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1579 * tree.c (local_define_builtin): Replace calls to
1580 lang_hooks.builtin_function with add_builtin_function.
1581 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1583 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1585 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1586 common code to add_builtin_function.
1587 * langhooks.c (add_builtin_function): New function.
1588 (lhd_builtin_function): New function.
1589 * langhooks.h (struct lang_hooks): Change the signature of
1591 (add_builtin_function): New function.
1592 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1593 calls to lang_hooks.builtin_function with add_builtin_function.
1594 * c-common.c (decl_builtin_1): Replace calls to
1595 lang_hooks.builtin_function with add_builtin_function.
1596 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1597 lang_hooks.builtin_function with add_builtin_function.
1598 * config/frv/frv.c (def_builtin): Replace calls to
1599 lang_hooks.builtin_function with add_builtin_function.
1600 * config/s390/s390.c (s390_init_builtins): Replace calls to
1601 lang_hooks.builtin_function with add_builtin_function.
1602 * config/sparc/sparc.c (def_builtin): Replace calls to
1603 lang_hooks.builtin_function with add_builtin_function.
1604 * config/i386/i386.c (def_builtin): Replace calls to
1605 lang_hooks.builtin_function with add_builtin_function.
1606 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1607 lang_hooks.builtin_function with add_builtin_function.
1608 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1609 lang_hooks.builtin_function with add_builtin_function.
1610 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1611 Replace calls to lang_hooks.builtin_function with
1612 add_builtin_function.
1613 * config/iq2000/iq2000.c (def_builtin):
1614 Replace calls to lang_hooks.builtin_function with
1615 add_builtin_function.
1616 * config/ia64/ia64.c (def_builtin): Replace calls to
1617 lang_hooks.builtin_function with add_builtin_function.
1618 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1619 lang_hooks.builtin_function with add_builtin_function.
1620 (altivec_init_builtins): Replace calls to
1621 lang_hooks.builtin_function with add_builtin_function.
1622 * config/arm/arm.c (def_mbuiltin): Replace calls to
1623 lang_hooks.builtin_function with add_builtin_function.
1624 (arm_init_tls_builtins): Replace calls to
1625 lang_hooks.builtin_function with add_builtin_function.
1626 * config/mips/mips.c (mips_init_builtins): Replace calls to
1627 lang_hooks.builtin_function with add_builtin_function.
1628 * config/bfin/bfin.c (def_builtin): Replace calls to
1629 lang_hooks.builtin_function with add_builtin_function.
1630 * langhooks-def.h (lhd_builtin_function): New function.
1631 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1633 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1635 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1636 BUILT_IN_STRNCAT_CHK.
1638 2006-10-23 Jan Hubicka <jh@suse.cz>
1640 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1641 don't do conversion from memmove to memcpy here.
1642 (expand_builtin_bcopy, expand_builtin): Update call of
1643 expand_builtin_memmove.
1644 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1646 2006-10-23 Paul Brook <paul@codesourcery.com>
1648 * stor-layout.c (start_record_layout): maximum_field_alignment
1649 overrides STRUCTURE_SIZE_BOUNDARY.
1651 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1653 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1654 nonlocal function symbols if flag_pic.
1656 2006-10-23 Richard Guenther <rguenther@suse.de>
1660 * builtins.c (fold_binary): Remove checks for flag_wrapv
1661 and flag_trapv where negate_expr_p covers these cases.
1663 2006-10-23 Richard Guenther <rguenther@suse.de>
1666 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1667 of two on the absolute value.
1668 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1669 and negating -C does not overflow.
1671 2006-10-23 Richard Guenther <rguenther@suse.de>
1674 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1675 only if not flag_rounding_math.
1677 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1678 Kaz Kojima <kkojima@gcc.gnu.org>
1681 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1682 SImode memory reference for the source of a movua.
1683 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1684 (movua): Use an unspec instead of sign_extract. Expect the source
1685 to have mode BLKmode.
1686 (extv, insv): Use a BLKmode rather than SImode memory reference
1687 for the source of a movua.
1689 2006-10-22 Jeff Law <law@redhat.com>
1690 Richard Guenther <rguenther@suse.de>
1692 PR tree-optimization/15911
1693 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1694 (register_edge_assert_for_1): Likewise.
1695 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1696 (find_conditional_asserts): Adjust for new function signature.
1697 (find_assert_locations): Likewise.
1699 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1701 * config/i386/tmmintrin.h: Remove the duplicated content.
1703 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1705 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1706 (x86_64-*-*): Likewise.
1708 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1709 (override_options): Check SSSE3.
1710 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1711 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1712 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1713 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1714 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1715 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1716 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1717 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1718 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1719 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1720 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1721 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1722 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1723 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1724 IX86_BUILTIN_PABSD128.
1725 (bdesc_2arg): Add SSSE3.
1726 (bdesc_1arg): Likewise.
1727 (ix86_init_mmx_sse_builtins): Support SSSE3.
1728 (ix86_expand_builtin): Likewise.
1729 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1731 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1732 (UNSPEC_PSIGN): Likewise.
1733 (UNSPEC_PALIGNR): Likewise.
1734 Include mmx.md before sse.md.
1736 * config/i386/i386.opt: Add -mssse3.
1738 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1739 (ssse3_phaddwv4hi3): Likewise.
1740 (ssse3_phadddv4si3): Likewise.
1741 (ssse3_phadddv2si3): Likewise.
1742 (ssse3_phaddswv8hi3): Likewise.
1743 (ssse3_phaddswv4hi3): Likewise.
1744 (ssse3_phsubwv8hi3): Likewise.
1745 (ssse3_phsubwv4hi3): Likewise.
1746 (ssse3_phsubdv4si3): Likewise.
1747 (ssse3_phsubdv2si3): Likewise.
1748 (ssse3_phsubswv8hi3): Likewise.
1749 (ssse3_phsubswv4hi3): Likewise.
1750 (ssse3_pmaddubswv8hi3): Likewise.
1751 (ssse3_pmaddubswv4hi3): Likewise.
1752 (ssse3_pmulhrswv8hi3): Likewise.
1753 (ssse3_pmulhrswv4hi3): Likewise.
1754 (ssse3_pshufbv16qi3): Likewise.
1755 (ssse3_pshufbv8qi3): Likewise.
1756 (ssse3_psign<mode>3): Likewise.
1757 (ssse3_psign<mode>3): Likewise.
1758 (ssse3_palignrti): Likewise.
1759 (ssse3_palignrdi): Likewise.
1760 (abs<mode>2): Likewise.
1761 (abs<mode>2): Likewise.
1763 * config/i386/tmmintrin.h: New file.
1765 * doc/extend.texi: Document SSSE3 built-in functions.
1767 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1769 2006-10-22 Ira Rosen <irar@il.ibm.com>
1771 * tree-vect-transform.c (vectorizable_load): Use the type of the
1772 return value of the mask_for_load builtin to create realign_load
1775 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1777 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1780 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1782 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1783 (UNSPEC_LDDQU): This.
1784 * config/i386/sse.md (sse3_lddqu): Updated.
1786 2006-10-21 Richard Guenther <rguenther@suse.de>
1788 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1789 (expand_builtin): Use it to expand lrint instead of
1790 expand_builtin_mathfn.
1792 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1795 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1796 flag_unsafe_math_optimizations is set.
1798 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1801 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1802 patterns to use memory input operand in x87->mem->XMM
1803 reload sequences. Skip transformation for TARGET_K8.
1805 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1807 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1808 force operand1 to register if both operands are memory operands.
1809 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1810 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1811 if both operands are memory operands.
1812 (truncdfsf2): Do not force operand1 to register if both operands
1813 are memory operands.
1815 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1817 * Makefile.in (LIBS): Add $(GMPLIBS).
1818 * doc/install.texi: Update GMP and MPFR requirements.
1819 * doc/sourcebuild.texi (need_gmp): Delete.
1821 2006-10-21 Richard Guenther <rguenther@suse.de>
1823 PR tree-optimization/3511
1824 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1825 got new invariant arguments during PHI translation.
1827 2006-10-21 Richard Guenther <rguenther@suse.de>
1830 * fold-const.c (fold_comparison): Fold signed comparisons
1831 of the form X +- C1 CMP Y +- C2.
1833 2006-10-21 Richard Guenther <rguenther@suse.de>
1836 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1837 if flag_unsafe_math_optimizations is specified. We have
1838 flag_finite_math_only for that.
1839 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1840 or flag_unsafe_math_optimizations.
1842 2006-10-21 Richard Guenther <rguenther@suse.de>
1844 * builtins.c (fold_builtin_classify): Fix typo.
1846 2006-10-21 Richard Guenther <rguenther@suse.de>
1849 * simplify-rtx.c (simplify_const_relational_operation):
1850 Do not constant-fold ORDERED and UNORDERED for
1851 flag_unsafe_math_optimizations but only we do not need to
1852 honor NaNs for the given mode.
1854 2006-10-21 Richard Guenther <rguenther@suse.de>
1857 * config/i386/i386.c (classify_argument): Remove redundant
1858 walking of the BINFOs.
1859 (contains_128bit_aligned_vector_p): Likewise.
1861 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1863 * BASE-VER: Set to 4.3.0.
1865 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1867 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1868 (tree_decl_with_vis): Remove artificial_pta_var flag.
1869 * tree-flow.h (referenced_var_check_and_insert): Expose.
1870 (nonlocal_all): New prototype.
1871 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1872 (nonlocal_all): Make global.
1873 (nonlocal_lookup): Remove.
1874 (nonlocal_insert): Ditto.
1875 (create_nonlocal_var): Do not call nonlocal_insert.
1876 (get_nonlocal_id_for_type): Remove.
1877 (find_global_initializers): Mark new vars we find for renaming.
1878 (intra_create_variable_infos): Only create one nonlocal.
1879 (expand_nonlocal_solutions): Remove.
1880 (compute_points_to_sets): Don't call it.
1881 (ipa_pta_execute): Ditto.
1882 (init_alias_heapvars): Don't create nonlocal_for_type.
1883 (delete_alias_heapvars): Don't remove it.
1884 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1887 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1889 * doc/install.texi (Downloading GCC): Clarify mention of
1890 Fortran in the "full distribution" description.
1892 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1894 Fix PR tree-optimization/28778
1895 Fix PR tree-optimization/29156
1896 Fix PR tree-optimization/29415
1897 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1898 (tree_decl_with_vis): Add artificial_pta_var flag.
1899 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1900 pushed into callers.
1901 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1902 (nonlocal_all): Ditto.
1903 (struct variable_info): Add directly_dereferenced member.
1904 (var_escaped_vars): New variable.
1905 (escaped_vars_tree): Ditto.
1906 (escaped_vars_id): Ditto.
1907 (nonlocal_vars_id): Ditto.
1908 (new_var_info): Set directly_dereferenced.
1909 (graph_size): New variable
1910 (build_constraint_graph): Use graph_size.
1911 (solve_graph): Don't process constraints that cannot change the
1912 solution, don't try to propagate an empty solution to our
1914 (process_constraint): Set directly_dereferenced.
1915 (could_have_pointers): New function.
1916 (get_constraint_for_component_ref): Don't process STRING_CST.
1917 (nonlocal_lookup): New function.
1918 (nonlocal_insert): Ditto.
1919 (create_nonlocal_var): Ditto.
1920 (get_nonlocal_id_for_type): Ditto.
1921 (get_constraint_for): Allow results vector to be empty in the case
1922 of string constants.
1923 Handle results of calls properly.
1924 (update_alias_info): Update alias info stats on number and type of
1926 (find_func_aliases): Use could_have_pointers.
1927 (make_constraint_from_escaped): Renamed from
1928 make_constraint_to_anything, and changed to make constraints from
1930 (make_constraint_to_escaped): New function.
1931 (find_global_initializers): Ditto.
1932 (create_variable_info_for): Make constraint from escaped to any
1933 global variable, and from any global variable to the set of
1935 (intra_create_variable_infos): Deal with escaped instead of
1936 pointing to anything.
1937 (set_uids_in_ptset): Do type pruning on directly dereferenced
1939 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1940 (init_base_vars): Fix comment, and initialize escaped_vars.
1941 (need_to_solve): Removed.
1942 (find_escape_constraints): New function.
1943 (expand_nonlocal_solutions): Ditto.
1944 (compute_points_to_sets): Call find_escape_constraints and
1945 expand_nonlocal_solutions.
1946 (delete_points_to_sets): Don't fall off the end of the graph.
1947 (init_alias_heapvars): Initialize nonlocal_for_type and
1949 (delete_alias_heapvars): Free nonlocal_for_type and null out
1952 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1954 * fold-const.c (add_double): Rename to add_double_with_sign.
1955 Add 'unsigned_p' parameter and take it into account for the overflow.
1956 (mul_double): Rename to mul_double_with_sign.
1957 Add 'unsigned_p' parameter and take it into account for the overflow.
1958 (fold_div_compare): Call add_double_with_sign instead of add_double
1959 and mul_double_with_sign instead of mul_double, passing them the
1960 unsignedness of the type.
1961 * tree.h (add_double): Macroize.
1962 (add_double_with_sign): New prototype.
1963 (mul_double): Macroize.
1964 (mul_double_with_sign): New prototype.
1966 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1968 * config/score/crti.asm: New file.
1969 * config/score/crtn.asm: New file.
1970 * config/score/elf.h: New file.
1971 * config/score/mac.md: New file.
1972 * config/score/misc.md: New file.
1973 * config/score/mul-div.S: New file.
1974 * config/score/predicates.md: New file.
1975 * config/score/score7.md: New file.
1976 * config/score/score.c: New file.
1977 * config/score/score-conv.h: New file.
1978 * config/score/score.h: New file.
1979 * config/score/score.md: New file.
1980 * config/score/score-mdaux.c: New file.
1981 * config/score/score-mdaux.h: New file.
1982 * config/score/score-modes.def: New file.
1983 * config/score/score.opt: New file.
1984 * config/score/score-protos.h: New file.
1985 * config/score/score-version.h: New file.
1986 * config/score/t-score-elf: New file.
1987 * config.gcc: Add score*-*-* configurations(Update before).
1988 * doc/invoke.texi (Score Options): New section.
1989 * doc/md.texi (Score family): New section to document constraints.
1991 2006-10-19 Nick Clifton <nickc@redhat.com>
1993 * config/arm/arm.c: Fix spelling typo.
1995 2006-10-18 Tom Tromey <tromey@redhat.com>
1997 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1999 2006-10-18 Jan Hubicka <jh@suse.cz>
2002 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2005 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2007 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2008 TSI_SAME_STMT, since that's the desired entity.
2010 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2012 * config/s390/contraints.md: New file.
2013 * config/s390/s390-protos.h (s390_mem_constraint,
2014 s390_O_constraint_str, s390_N_constraint_str,
2015 s390_float_const_zero_p): Function prototypes added.
2016 * config/s390/s390.c (s390_extra_constraint_str,
2017 s390_const_double_ok_for_constraint_p,
2018 s390_const_ok_for_constraint_p): Functions removed.
2019 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2020 s390_float_const_zero_p): New functions.
2021 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2022 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2023 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2024 Macro definitions removed.
2025 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2026 s390_extra_constraint_str): Functions removed.
2028 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2029 Richard Sandiford <richard@codesourcery.com>
2032 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2033 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2035 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2037 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2038 (DWARF2_FRAME_REG_OUT): Likewise.
2039 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2040 (DWARF2_FRAME_REG_OUT): Likewise.
2042 2006-10-17 Paul Brook <paul@codesourcery.com>
2044 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2046 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2048 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2049 Standardize on "GNU Fortran" as the official name of the Fortran
2052 2006-10-16 Mike Stump <mrs@apple.com>
2054 * doc/invoke.texi (Darwin Options): Document -mkernel.
2055 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2057 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2058 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2059 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2060 (OS_MISSING_ALTIVEC): Add.
2061 * config/i386/i386.c (override_options): Add
2062 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2063 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2064 -mkernel, -static or -mdynamic-no-pic is given.
2065 (C_COMMON_OVERRIDE_OPTIONS): Add.
2066 * config/darwin.opt (fapple-kext): Add.
2068 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2069 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2071 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2072 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2073 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2074 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2075 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2076 (flag_mkernel): Add.
2077 (flag_apple_kext): Add.
2078 (TARGET_KEXTABI): Add.
2079 * config/darwin.c (darwin_handle_kext_attribute): Add.
2080 (DARWIN_VTABLE_P): Add.
2081 (darwin_binds_local_p): Add partial support for rebinding vtables
2083 (darwin_kextabi_p): Add.
2084 (darwin_override_options): Add.
2085 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2086 (darwin_kextabi_p): Add.
2087 (darwin_override_options): Add.
2088 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2089 __DYNAMIC__ and __STATIC__ here.
2091 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2093 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2094 Added mention of "make pdf" target, and Texinfo requirements for
2097 2006-10-16 DJ Delorie <dj@redhat.com>
2099 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2100 into the GOT in case we need a subreg of the address.
2102 2006-10-16 Richard Guenther <rguenther@suse.de>
2105 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2106 SSE builtin documentation. Document SSE2 builtins.
2108 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2110 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2111 symbol in the output file for non-shared links when -nostdlib or
2112 -nodefaultlibs isn't specified.
2114 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2115 posix thread support.
2117 2006-10-15 Jan Hubicka <jh@suse.cz>
2120 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2121 declared always_inline even when not inlining.
2123 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2124 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2125 Andrew Pinski <pinskia@gmail.com>
2128 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2130 2006-10-15 Jan Hubicka <jh@suse.cz>
2131 Richard Guenther <rguenther@suse.de>
2134 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2135 process_function_and_variable_attributes on all variables, including
2136 those discovered during cgraph construction phase.
2138 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2140 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2142 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2144 * config/i386/athlon.md (athlon_fist): Add fisttp.
2146 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2147 Ian Lance Taylor <ian@airs.com>
2150 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2151 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2154 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2156 * config/score/score.c, config/score/score.h: Fix comment
2159 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2162 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2165 2006-10-13 Eric Christopher <echristo@apple.com>
2167 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2169 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2172 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2173 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2174 alignment supported by 32-bit ELF.
2176 2006-10-13 Eric Christopher <echristo@apple.com>
2178 * config/darwin.c (darwin_emit_unwind_label): Strip
2179 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2181 2006-10-13 Richard Guenther <rguenther@suse.de>
2183 PR tree-optimization/29446
2184 * tree-vrp.c (fix_equivalence_set): Remove.
2185 (extract_range_from_assert): Do not call fix_equivalence_set.
2186 (debug_value_range): Print a newline.
2187 (compare_name_with_value): For equivalence sets with
2188 inconsistent value ranges conservatively bail out.
2189 (compare_names): Likewise.
2191 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2193 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2194 and MPFR for gfortran.
2196 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2198 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2199 alignment supported by 32-bit ELF.
2201 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2205 * c-typeck.c (digest_init): Always allow initializing vectors
2206 that have static storage duration with compound literals.
2207 * tree.c (build_type_attribute_qual_variant): New, based on
2208 build_type_attribute_variant.
2209 (build_type_attribute_variant): Rewrite using the former.
2210 (make_vector_type): Use build_type_attribute_qual_variant to build
2211 type variants. Use type_hash_canon on the others.
2213 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2214 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2216 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2218 2006-10-12 Jan Hubicka <jh@suse.cz>
2221 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2222 current_function_decl is set but current_function_scope is not.
2224 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2226 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2227 emit_insn to emit eh_return_internal instruction.
2228 (eh_return_internal): Explicitly set pc.
2230 2006-10-11 Richard Guenther <rguenther@suse.de>
2232 PR tree-optimization/28230
2233 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2234 to the correct place.
2236 2006-10-11 Richard Guenther <rguenther@suse.de>
2239 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2242 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2244 * configure.ac: Added pdf to "Make-hooks"
2245 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2246 targets and *.pdf file patterns in cleanup targets.
2247 * configure: Regenerated.
2249 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2251 * config/avr/predicates.md: New file.
2252 * config/avr/avr.md: Include it.
2253 (REG_SP): New constant.
2254 (peepholes): Use predicates.
2255 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2256 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2257 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2259 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2261 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2264 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2267 * builtins.c (var_decl_component_p): New function.
2268 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2269 single entry optimization to variables and components thereof.
2271 2006-10-10 Richard Guenther <rguenther@suse.de>
2273 PR rtl-optimization/29323
2274 * except.c (set_nothrow_function_flags): For functions
2275 that do not bind local bail out early.
2277 2006-10-10 Ben Elliston <bje@au.ibm.com>
2279 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2282 2006-10-09 Richard Henderson <rth@redhat.com>
2284 Revert emutls patch.
2286 2006-10-09 Richard Guenther <rguenther@suse.de>
2289 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2292 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2295 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2296 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2297 * configure: Regenerate.
2298 * config.in: Regenerate.
2300 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2302 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2304 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2306 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2307 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2308 Remove stray newline.
2310 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2312 * config/mips/mips.c (mips_classify_symbol): Do not return
2313 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2314 (mips_in_small_data_p): Tweak comments.
2316 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2318 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2320 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2322 * gimplify.c, sched-int.h: Fix comment typos.
2324 * sched-int.h: Fix comment typos.
2326 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2328 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2330 * sched-ebb.c (begin_schedule_ready): Use them.
2331 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2332 add_to_speculative_block, create_check_block_twin, speculate_insn,
2333 fix_jump_move, move_block_after_check): Ditto.
2334 * sched-rgn.c (new_ready): Ditto.
2336 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2338 PR rtl-optimization/29128
2339 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2340 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2341 allow interblock movement of speculation checks.
2343 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2346 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2347 casted to integer type.
2348 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2349 if they are significantly more expensive than [reg + index] ones.
2351 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2353 PR tree-optimization/29330
2354 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2355 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2356 on newly allocated ddrs.
2357 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2358 to VEC (loop_p, heap) pointer.
2359 (compute_data_dependences_for_loop): Adjust caller.
2360 (free_dependence_relations): Free DDR_LOOP_NEST.
2362 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2363 free DEPENDENCE_RELATIONS and DATAREFS.
2366 * builtins.c (expand_builtin_sync_operation,
2367 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2368 Use convert_to_mode to handle promoted arguments.
2370 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2372 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2374 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2376 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2378 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2380 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2381 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2382 Use <modeconstraint> instead of "r" as operand 1 constraint.
2384 2006-10-06 Olivier Hainque <hainque@adacore.com>
2386 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2387 Don't recurse on the pointed-to type.
2388 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2389 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2390 types with components of variable size.
2392 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2394 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2396 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2398 PR tree-optimization/29290
2399 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2403 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2404 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2407 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2408 the number of vector elements fill the rest with zeros.
2410 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2412 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2413 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2416 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2418 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2419 unnamed pattern into subsi3. Use correct constraints/predicates.
2420 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2421 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2423 2006-10-05 Ira Rosen <irar@il.ibm.com>
2425 * doc/loop.texi: Add data references analysis description.
2427 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2429 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2431 2006-10-04 Richard Henderson <rth@redhat.com>
2432 Jakub Jelinek <jakub@redhat.com>
2434 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2435 * builtin-types.def (BT_WORD): Make unsigned.
2436 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2437 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2438 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2439 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2440 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2441 * cgraph.c (decide_is_variable_needed): Look at force_output.
2442 Recurse for emulated tls.
2443 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2444 checks redundant with decide_is_variable_needed.
2445 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2446 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2448 * expr.c (emutls_var_address): New.
2449 (expand_expr_real_1): Expand emulated tls.
2450 (expand_expr_addr_expr_1): Likewise.
2451 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2452 * output.h (emutls_finish): Declare.
2453 * toplev.c (compile_file): Call it.
2454 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2455 address before wrapping in CONST.
2456 * varasm.c (emutls_htab, emutls_object_type): New.
2457 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2458 (get_emutls_object_name, get_emutls_object_type): New.
2459 (get_emutls_init_templ_addr, emutls_decl): New.
2460 (emutls_common_1, emutls_finish): New.
2461 (assemble_variable): When emulating tls, swap decls; generate
2462 constructor for the emutls objects.
2463 (do_assemble_alias): When emulating tls, swap decl and target name.
2464 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2466 * emutls.c: New file.
2467 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2468 tls_object for real tls.
2470 2006-10-04 Zack Weinberg <zackw@panix.com>
2472 Fix bug in constraint-check generator, reported by Rask Ingemann
2474 * genpreds.c (add_constraint): Don't remove anything from the
2476 (write_tm_constrs_h): Detect whether "op" argument is used, and
2477 mark it ARG_UNUSED if it isn't.
2478 (write_insn_const_int_ok_for_constraint): Skip the part of the
2479 expression that would test whether "op" (which is not available
2480 here) is a CONST_INT.
2482 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2485 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2487 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2489 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2490 current Leopard versions.
2491 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2493 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2495 * doc/install.texi: Fix typos.
2497 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2499 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2500 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2501 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2503 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2505 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2506 arg to be struct mach_header_64* instead.
2508 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2511 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2512 side effects after the outer expression's post side effects.
2514 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2516 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2517 comments to reflect actual behavior and relationship between
2518 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2520 * doc/c-tree.texi (Working with declarations): Fix documentation
2521 of FIELD_DECL likewise.
2523 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2526 * doc/extend.texi: Add used variable attribute description.
2528 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2531 * c.opt (Woverride-init): New.
2532 * c-opts.c (c_common_post_options): Default warn_override_init to
2534 * c-typeck.c (add_pending_init, output_init_element): Warn for
2535 overriding initializers without side effects.
2536 * doc/invoke.texi (-Woverride-init): Document.
2539 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2541 PR rtl-optimization/28096
2542 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2543 assignment has already been used as a destination earlier in the block.
2545 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2547 * builtins.c (expand_builtin_setjmp): Delete.
2548 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2549 <BUILT_IN_SETJMP_SETUP>: New case.
2550 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2551 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2552 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2553 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2554 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2555 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2556 (lower_function_body): Initialize it to false. If it is set to true
2557 at the end of the processing, emit the setjmp dispatcher.
2558 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2559 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2560 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2561 on the rhs of the assignment.
2562 (lower_builtin_setjmp): New function.
2563 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2564 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2565 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2566 to detect calls that can go to non-local labels. Use specific
2567 helper to create the abnormal edges associated with them.
2568 <MODIFY_EXPR>: Likewise.
2569 (make_abnormal_goto_edges): New function extracted from...
2570 (make_goto_expr_edges): ...here. Call it for computed gotos.
2571 (simple_goto_p): Minor tweak.
2572 (tree_can_make_abnormal_goto): New predicate.
2573 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2574 (tree_purge_dead_abnormal_call_edges): New function.
2575 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2576 (tree_purge_dead_abnormal_call_edges): Likewise.
2577 (make_abnormal_goto_edges): Likewise.
2578 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2579 Purge all dead abnormal edges if the call was in the last statement.
2580 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2581 (execute_fixup_cfg): If there are non-local labels in the function,
2582 scan the basic blocks and split them at calls that can go to non-local
2583 labels or add missing abnormal call edges. Write down the CFG in the
2585 (pass_fixup_cfg): Remove TODO_dump_func flag.
2586 * unwind-sjlj.c: Poison setjmp.
2587 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2588 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2589 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2590 (DONT_USE_BUILTIN_SETJMP): Document it.
2592 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2595 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2596 to 1 when __ppc64__ is defined.
2597 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2599 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2601 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2603 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2604 * config/ia64/unwind-hpux.c: Delete.
2606 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2608 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2609 on the element before gimplifying it, instead of punting if it is of
2612 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2614 * doc/loop.texi: New file.
2615 * doc/gccint.texi: Reference loop.texi.
2616 * Makefile.in (loop.texi): Add.
2618 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2620 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2622 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2623 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2625 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2627 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2629 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2631 * doc/install.texi: Document required versions of GMP and MPFR.
2633 2006-09-27 Paul Brook <paul@codesourcery.com>
2636 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2638 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2640 * reload1.c (alter_reg): Require the alignment of the stack slot to
2641 be at least reg_max_ref_width bytes.
2642 (scan_paradoxical_subregs): Record the largest width in
2645 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2649 * tree-nested.c (struct nesting_info): Added static_chain_added.
2650 (convert_call_expr): Set static_chain_added when adding static
2651 chain. Handle OMP_PARALLEL and OMP_SECTION.
2653 2006-09-25 Matthias Klose <doko@debian.org>
2655 * doc/invoke.texi: Add missing full stop.
2657 2006-09-25 Richard Henderson <rth@redhat.com>
2659 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2660 before cgraph_function_flags_ready.
2662 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2663 Adam Nemet <anemet@caviumnetworks.com>
2665 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2666 determine_common_wider_type): New functions.
2667 (get_computation_aff): Use them to simplify arithmetic between
2668 UBASE and CBASE if they are shortened from the same type.
2670 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2673 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2674 -2147483647 - 1 instead of 0x80000000.
2676 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2678 * flags.h (HONOR_NANS): Fix typo in comment.
2680 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2682 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2684 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2688 * tree.c (merge_attributes, attribute_list_contained): If both
2689 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2691 * c-typeck.c (comptypes_internal): Don't consider aggregates
2692 in different TUs as compatible if there one set of attributes is
2693 not a subset of the other type's attributes.
2694 (composite_type): Try harder not to create a new aggregate type.
2696 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2698 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2699 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2700 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2701 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2702 than replicating condition above.
2703 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2705 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2706 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2707 the linker by default.
2709 2006-09-22 Mike Stump <mrs@apple.com>
2711 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2714 2006-09-22 Richard Guenther <rguenther@suse.de>
2717 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2718 sort of stack variables stable.
2720 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2723 * explow.c (force_reg): Set REG_POINTER flag according to
2726 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2728 PR tree-optimization/28888
2729 * tree-if-conv.c (combine_blocks): Rewritten.
2730 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2731 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2733 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2735 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2738 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2740 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2742 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2744 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2746 2006-09-21 Roger Sayle <roger@eyesopen.com>
2749 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2750 dw_fde_current_label, to be the start of the function, i.e. the same
2751 value as dw_fde_begin.
2753 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2755 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2756 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2757 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2758 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2759 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2760 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2761 (abs<mode>2, neg<mode>2): Likewise.
2762 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2763 (*mips_abs_ps): New define_insn.
2765 2006-09-20 Josh Conner <jconner@apple.com>
2768 * calls.c (expand_call): Allow reuse of structure return stack
2771 2006-09-20 Paul Brook <paul@codesourcery.com>
2773 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2776 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2778 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2779 clean up terminology.
2781 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2784 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2785 with tablejumps in them.
2787 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2790 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2791 wrap it into TARGET_EXPR.
2793 2006-09-20 Eric Christopher <echristo@apple.com>
2795 * config/i386/i386.c (x86_fisttp): Remove.
2796 * config/i386/i386.h (x86_fisttp): Ditto.
2797 (TARGET_FISTTP): Ditto.
2799 2006-09-19 Eric Christopher <echristo@apple.com>
2801 * doc/tm.texi (OBJC_JBLEN): Describe.
2802 * config/i386/darwin.h (OBJC_JBLEN): Define.
2803 * config/rs6000/darwin.h: Ditto.
2805 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2807 PR rtl-optimization/21299
2808 * reload1.c (reload): Purge invalid ASMs in the final pass.
2810 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2813 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2814 pointers as legitimate constants.
2816 2006-09-19 Paul Brook <paul@codesourcery.com>
2819 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2821 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2823 PR tree-optimization/28887
2824 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2825 component parts from the reference.
2826 (gather_memory_references_ref): Record the reference without the
2827 nonaddressable component parts.
2829 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2832 * c-opts.c (c_common_handle_option): Ignore the -std options
2833 if the input language is assembly.
2835 2006-09-17 Ira Rosen <irar@il.ibm.com>
2838 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2840 (ptr_ptr_may_alias_p): Likewise.
2841 (record_record_differ_p): New function.
2842 (base_object_differ_p): Call record_record_differ_p.
2844 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2847 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2848 away for the expr argument.
2850 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2853 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2854 before using it for dumping after vectorizing loops.
2856 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2857 Jack Howarth <howarth@bromo.med.uc.edu>
2860 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2861 skip on error_mark_node.
2862 (rs6000_darwin64_record_arg_recurse): Likewise.
2864 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2866 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2867 * doc/rtl.texi: Remove related documentation.
2869 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2871 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2874 2006-09-15 Jim Wilson <wilson@specifix.com>
2876 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2877 Handle symbol offsets same as they are handled in ia64_expand_move
2880 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2882 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2883 Add forgotten parameter to the fprintf call.
2885 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2887 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2889 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2891 * doc/contrib.texi: Add my entry.
2893 2006-09-15 Nick Clifton <nickc@redhat.com>
2895 * doc/md.texi (Processor pipeline description): Fix typo in
2896 example of how to use the absence_set directive and reword the
2897 description to make it slightly easier to read.
2899 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2901 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2902 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2903 expanding the number of iterations.
2904 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2906 * cfgrtl.c (emit_insn_at_entry): New function.
2907 * rtl.h (emit_insn_at_entry): Declare it.
2908 * integrate.c (emit_initial_value_sets): Use it.
2910 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2912 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2914 (struct loop_work and related VEC declarations): Delete.
2915 (bfin_dump_loops): Print out new member bad.
2916 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2917 (bfin_scan_loop): Don't recurse.
2918 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2919 loops. No longer need to update outer loops if the current one is
2920 found bad. Move some validitiy checks to bfin_discover_loop.
2921 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2922 but changed not to check for nesting. Also changed to use the new bad
2924 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2925 time. Use bitmap based test to discover loop nesting.
2927 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2929 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2932 2006-09-14 Richard Guenther <rguenther@suse.de>
2933 Kazu Hirata <kazu@codesourcery.com>
2935 PR middle-end/28884.
2936 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2937 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2938 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2939 with TARGET_FUNCTION_VALUE.
2941 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2944 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2946 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2948 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2951 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2954 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2957 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2959 * basic_block.h (bb_has_eh_pred): Fix comment.
2961 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2963 * flow.c (calculate_global_regs_live): Invalidate eh registers
2964 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2965 (propagate_block): Handle eh registers as if they were set at basic
2967 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2969 * global.c (global_conflicts): Make eh registers to conflict with
2970 pseudos live at basic block begin.
2971 * basic_block.h (bb_has_eh_pred): New function.
2973 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2975 PR rtl-optimization/28982
2976 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2977 index of a PRE_MODIFY or POST_MODIFY address.
2978 * reload1.c (inc_for_reload): Use find_replacement on the original
2979 base and index registers.
2981 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2983 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2984 for -Os. Update __m128 alignment requirement.
2986 2006-09-13 Jan Hubicka <jh@suse.cz>
2988 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2990 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2992 PR rtl-optimization/28243
2993 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2994 the insn to which the note was originally attached.
2996 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2997 Roger Sayle <roger@eyesopen.com>
2999 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3000 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3001 on platforms that don't use dwarf for debug info.
3003 2006-09-12 Jason Merrill <jason@redhat.com>
3006 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3007 hard_frame_pointer_rtx after using it to update the frame pointer.
3009 2006-09-12 Roger Sayle <roger@eyesopen.com>
3011 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3012 (TARGET_ASM_CLOSE_PAREN): Likewise.
3013 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3014 (TARGET_ASM_CLOSE_PAREN): Likewise.
3016 2006-09-12 Roger Sayle <roger@eyesopen.com>
3019 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3020 frame information for frames larger than 512 Kbytes on Tru64 when
3021 using the native assembler.
3023 2006-09-12 Roger Sayle <roger@eyesopen.com>
3027 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3028 and symbols. Instead use the implementation from cse.c's hash_rtx.
3030 2006-09-12 Jan Hubicka <jh@suse.cz>
3032 PR rtl-optimization/28071
3033 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3034 (vect_transform_loop): Likewise.
3035 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3036 (new_loop_vec_info): Likewise.
3037 (destroy_loop_vec_info): Likewise.
3038 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3039 (create_stmt_ann): Likewise.
3040 (create_tree_ann): Rename to ...
3041 (create_tree_common_ann): ... this one; allocate only the common part
3043 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3044 (get_value_handle): Likewise.
3045 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3046 get_tree_common_ann.
3047 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3048 (vinfo_for_stmt): Use stmt annotations.
3049 * tree-flow.h (tree_ann_common_t): New type.
3050 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3051 (tree_ann, get_tree_ann, create_tree_ann): New.
3052 * tree-flow-inline.h (get_function_ann): Do more type checking.
3053 (stmt_ann): Likewise.
3054 (tree_ann): Rename to ...
3055 (tree_common_ann): ... this one; return ony common_ann
3056 (get_tree_ann): Rename to ...
3057 (tree_common_ann): This one; return only common_ann.
3058 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3061 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3063 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3064 with_cpu by default.
3066 * dwarf2out.c (dwarf_file_data): New.
3067 (enum dw_val_class): Add dw_val_class_file.
3068 (struct dw_val_struct): Add val_file.
3069 (file_table): Change to a hash table.
3070 (file_table_emitted): Delete.
3071 (file_table_last_lookup_index): Delete.
3072 (emitcount): Delete.
3073 (last_emitted_file): New.
3074 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3075 (init_file_table): Delete.
3076 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3077 (AT_addr): Add comment.
3081 (print_die): Handle dw_val_class_file.
3082 (print_dwarf_line_table): Update for new file table structure.
3083 (attr_checksum): Do checksum a filename.
3084 (same_dw_val_p, same_attr_p): Do compare a filename.
3085 (size_of_die): Handle dw_val_class_file.
3086 (value_format): Likewise.
3087 (output_die): Likewise. Also, call maybe_emit_file here.
3088 (struct file_info): Constify filenames. Make file_idx a pointer
3089 to a struct dwarf_file_data.
3090 (struct dir_info): Constify directory names. Remove 'used' field.
3091 (struct file_name_acquire_data): New.
3092 (file_name_acquire): New.
3093 (output_file_names): Modify to handle new file data structures.
3094 (add_src_coords_attributes): Use add_AT_file.
3095 (add_call_src_coords_attributes): Likewise.
3096 (dwarf2out_imported_module_or_decl): Likewise.
3097 (gen_subprogram_die): Modify for new file data structures.
3098 (gen_variable_die): Likewise.
3099 (file_table_eq): New.
3100 (file_table_hash): New.
3101 (file_table_last_lookup): New.
3102 (lookup_filename): Rewrite to handle new file data structures.
3103 (maybe_emit_file): Rewrite to handle new file data structures.
3104 (dwarf2out_source_line): Always call lookup_filename and
3106 (dwarf2out_init): Create file_table here.
3107 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3108 (file_table_relative_p): New.
3109 (dwarf2out_finish): Change detection of relative filenames
3110 to work with new file data structures. Move output_line_info call
3111 after debug_info output.
3113 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3118 * config/i386/i386.c (override_options): Always default to 16
3119 byte stack boundary.
3121 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3124 * var-tracking.c (dump_dataflow_set): Start dumping at
3126 (clobber_variable_part): Kill only the variable part in
3127 registers holding it, leaving other variables alone.
3129 2006-09-11 Josh Triplett <josh@freedesktop.org>
3131 * doc/extend.texi (Other Builtins): Actually use the macro
3132 argument in the documentation example for
3133 __builtin_types_compatible_p.
3135 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3137 PR rtl-optimization/28726
3138 * sched-deps.c (sched_analyze_reg): New function extracted from...
3139 (sched_analyze_1): ...here. Call it to analyze references to
3140 registers. Treat again writes to a stack register as writing to the
3142 (sched_analyze_2): ...and here. Call it to analyze references to
3143 registers. Treat again reads of a stack register as reading the
3146 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3147 David Edelsohn <edelsohn@gnu.org>
3150 * config/rs6000/spe.md (frob_df_di): Remove %H.
3151 (frob_di_df): Remove %H. Change evmergelo to mr.
3152 (frob_di_df_2): Remove %H. Change evldd to two loads.
3154 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3156 * doc/cpp.texi: Fix names of charset options.
3158 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3161 * config/i386/i386.c (override_options): Use 128-bit
3162 stack boundary always for 64bits.
3164 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3166 PR rtl-optimization/28636
3167 * combine.c (force_to_mode): Test for side-effects before
3168 substituting by zero.
3169 (simplify_shift_const): Likewise for zero or other constants.
3171 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3174 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3177 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3180 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3181 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3182 returned by mode_for_size, rather than the mode of src itself,
3183 to choose between 32-bit and 64-bit patterns.
3184 (mips_mem_fits_mode_p): New function.
3185 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3186 that the size of the source matches the size of the destination.
3187 (mov_<store>l, mov_<store>r): Likewise.
3189 2006-09-10 Eric Christopher <echristo@apple.com>
3191 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3194 2006-09-09 Eric Christopher <echristo@apple.com>
3197 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3200 2006-09-09 Roger Sayle <roger@eyesopen.com>
3201 Nicolas Setton <setton@adacore.com>
3203 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3205 2006-09-10 Andreas Schwab <schwab@suse.de>
3207 * config/m68k/m68k.md (bungt_rev): New pattern.
3209 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3210 Dale Johannesen <dalej@apple.com>
3213 * regclass.c (struct reg_pref): Update documentation.
3214 (regclass): Set prefclass to NO_REGS if memory is the best option.
3215 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3217 2006-09-08 Eric Christopher <echristo@apple.com>
3219 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3220 * config/t-slibgcc-darwin: Support x86_64 multilib.
3221 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3222 Return 1 for x86_64-darwin.
3223 * config/i386/t-darwin: Add m64 multilib.
3224 (LIB2_SIDITI_CONV_FUNCS): Use.
3225 (LIB2FUNCS_EXTRA): Ditto.
3226 * config/i386/darwin.h: Support x86_64.
3227 * config/i386/i386.c (override_options): Turn on flag_pic
3228 for x86_64-darwin. Disable flag_omit_pointer.
3229 (get_pc_thunk_name): Assert !TARGET_64BIT.
3230 (legitimate_address_p): Disable machopic addressing for
3232 (legitimize_pic_address): Ditto.
3233 (ix86_expand_move): Ditto.
3234 (ix86_expand_call): Ditto.
3235 (machopic_output_stub): Ditto.
3236 * config/darwin.c (machopic_select_section): Support literal16.
3237 (machopic_select_rtx_section): Ditto.
3238 * config/darwin-sections.def: Ditto.
3239 * config/darwin-64.c: New.
3241 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3244 * c-tree.h (struct c_arg_info): Add pending_sizes.
3245 * c-parser.c (c_parser_parms_declarator,
3246 c_parser_parms_list_declarator): Initialize pending_sizes.
3247 * c-decl.c (get_parm_info): Initialize pending_sizes.
3248 (get_parm_info): Set pending_sizes.
3249 (grokdeclarator): Call put_pending_sizes for parameters for
3250 function definition only.
3252 2006-09-07 Jason Merrill <jason@redhat.com>
3255 * varasm.c (output_constant): Only strip actual no-op conversions.
3258 * config/i386/i386.c (override_options): Use 128-bit
3259 stack boundary if -msse.
3261 2006-09-07 Eric Christopher <echristo@apple.com>
3263 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3265 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3268 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3270 * dwarf2out.c: Remove strange characters from comment above
3271 dwarf2out_frame_debug_expr.
3273 2006-09-07 Eric Christopher <echristo@apple.com>
3275 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3276 * config/darwin.h: ... to here.
3278 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3280 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3282 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3283 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3285 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3286 TARGET_PARTIAL_FLAG_REG_STALL.
3287 (*ashldi3_cconly_rex64): Likewise.
3288 (*ashlsi3_cmp): Likewise.
3289 (*ashlsi3_cconly): Likewise.
3290 (*ashlsi3_cmp_zext): Likewise.
3291 (*ashlhi3_cmp): Likewise.
3292 (*ashlhi3_cconly): Likewise.
3293 (*ashlqi3_cmp): Likewise.
3294 (*ashlqi3_cconly): Likewise.
3295 (*ashrdi3_cmp_rex64): Likewise.
3296 (*ashrdi3_cconly_rex64): Likewise.
3297 (*ashrsi3_cmp): Likewise.
3298 (*ashrsi3_cconly): Likewise.
3299 (*ashrsi3_cmp_zext): Likewise.
3300 (*ashrhi3_cmp): Likewise.
3301 (*ashrhi3_cconly): Likewise.
3302 (*ashrqi3_cmp): Likewise.
3303 (*ashrqi3_cconly): Likewise.
3304 (*lshrdi3_cmp_rex64): Likewise.
3305 (*lshrdi3_cconly_rex64): Likewise.
3306 (*lshrsi3_cmp): Likewise.
3307 (*lshrsi3_cconly): Likewise.
3308 (*lshrsi3_cmp_zext): Likewise.
3309 (*lshrhi3_cmp): Likewise.
3310 (*lshrhi3_cconly): Likewise.
3311 (*lshrqi2_cmp): Likewise.
3312 (*lshrqi2_cconly): Likewise.
3314 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3317 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3318 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3319 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3320 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3321 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3322 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3323 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3324 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3325 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3326 implement only CC setting effects of shift instructions.
3328 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3330 * doc/contrib.texi: Add myself.
3332 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3335 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3336 was set by the user.
3338 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3341 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3342 (divsi_inv_m1): Use them.
3343 (UNSPEC_DIV_INV_TABLE): New constant.
3345 2006-09-06 James E Wilson <wilson@specifix.com>
3348 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3349 then call count_or_remove_death_notes.
3351 2006-09-06 Jason Merrill <jason@redhat.com>
3354 * tree-inline.c (copy_result_decl_to_var): New fn.
3355 (declare_return_variable): Use it. Call declare_inline_vars here.
3356 (expand_call_inline): Not here.
3358 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3360 * doc/contrib.texi: Update my entry.
3362 2006-09-06 Nick Clifton <nickc@redhat.com>
3364 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3366 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3369 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3370 (canonicalize_induction_variables): Likewise.
3371 (tree_unroll_loops_completely): Likewise.
3372 (tree_ssa_prefetch_arrays): Likewise.
3373 (remove_empty_loops): Likewise.
3374 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3375 TODO_cleanup_cfg instead of directly calling
3376 cleanup_tree_cfg_loop.
3377 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3379 (tree_unroll_loops_completely): Likewise.
3380 (remove_empty_loops): Likewise.
3381 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3382 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3383 of tree_ssa_unswitch_loops.
3384 (tree_ssa_loop_ivcanon): Use the return value of
3385 canonicalize_induction_variables.
3386 (tree_ssa_empty_loop): Use the return value of
3388 (tree_complete_unroll): Use the return value of
3389 tree_unroll_loops_completely.
3390 (tree_ssa_loop_prefetch): Use the return value of
3391 tree_ssa_prefetch_arrays.
3392 * passes.c (execute_todo): Before Cleanup CFG, set
3393 updating_used_alone and after cleanup CFG, call
3394 recalculate_used_alone.
3396 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3399 * tree-vect-transform.c (vectorizable_condition): Move the check
3400 for the type after the check for simple condition.
3402 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3403 Kaz Kojima <kkojima@gcc.gnu.org>
3406 * mode-switching.c (optimize_mode_switching): Make the destination
3407 block of an abnormal edge have no anticipatable mode. Don't
3408 insert mode switching code at the end of the source block of
3411 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3413 PR rtl-optimization/26847
3414 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3415 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3416 (simplify_plus_minus): Count n_constants while filling ops. Replace
3417 qsort with insertion sort. Before going through the array to simplify
3418 pairs, sort it. Delay early exit until after the first sort, exiting
3419 only if no swaps occurred. Simplify pairs in reversed order, without
3420 special-casing the first iteration. Pack ops after simplifying pairs.
3422 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3424 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3425 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3426 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3427 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3429 2006-09-05 Richard Guenther <rguenther@suse.de>
3431 PR tree-optimization/28900
3432 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3433 compound conditional before creating COND_EXPR condition.
3435 2006-09-05 Richard Guenther <rguenther@suse.de>
3437 PR tree-optimization/28905
3438 * tree-vrp.c (fix_equivalence_set): Manually implement
3439 !value_ranges_intersect_p to also handle symbolic ranges.
3441 2006-09-05 Richard Guenther <rguenther@suse.de>
3444 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3447 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3449 PR rtl-optimization/27616
3450 * cse.c (table_size): New static variable.
3451 (new_basic_block): Initialize it to 0.
3452 (remove_from_table): Decrement it.
3453 (insert): Increment it.
3454 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3455 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3456 fold_rtx_mem_1 if under the cap.
3457 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3458 the lookup of the equivalent expression and test for equality of the
3459 first operand of the equivalent expression before in turn looking up
3460 an equivalent constant for the second operand.
3462 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3465 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3466 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3467 pointer, instead of assuming it is possible to derive the
3468 correct args size from a call insn.
3470 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3473 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3474 (fold_builtin_mempcpy): Rename to...
3475 (fold_builtin_memory_op): ... this. Optimize one element copy
3477 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3479 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3480 (expand_builtin_memcpy, expand_builtin_mempcpy,
3481 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3482 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3483 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3484 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3486 2006-09-01 DJ Delorie <dj@redhat.com>
3488 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3489 (stzx_16): Likewise.
3490 ("stzx_24_<mode>"): Likewise.
3491 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3492 ("cmp<mode>_op"): New.
3493 (cmp<mode>): Change to expander; just save operands.
3495 (b<code>): Change to expander, emit compare here.
3496 (s<code>_op): Change to use split and expander.
3497 (s<code>_24_op): Likewise.
3498 (s<code>_<mode>): New.
3499 (s<code>_<mode>_24): New.
3500 (movqicc_<code>_<mode): New.
3501 (movhicc_<code>_<mode>): New.
3504 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3505 (m32c_pend_compare): New.
3506 (m32c_unpend_compare): New.
3507 (m32c_expand_scc): New.
3508 (m32c_expand_movcc): Emit the compare also.
3509 * config/m32c/predicates.md (mra_nopp_operand): New.
3511 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3512 Richard Guenther <rguenther@suse.de>
3513 Adam Nemet <anemet@caviumnetworks.com>
3516 * builtins.c (get_pointer_alignment): Handle more forms
3517 of base addresses that can be used to derive more precise
3518 information about alignment.
3520 2006-09-01 Jason Merrill <jason@redhat.com>
3523 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3526 * gimplify.c (voidify_wrapper_expr): Handle null type.
3528 2006-09-01 Josh Conner <jconner@apple.com>
3531 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3532 (execute_return_slot_opt): Use it.
3534 2006-08-31 Josh Conner <jconner@apple.com>
3537 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3538 returning aggregates.
3540 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3542 PR tree-optimization/28839
3543 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3544 blocks in that phi arguments appear.
3546 2006-08-31 Roger Sayle <roger@eyesopen.com>
3549 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3550 NULL, otherwise use an advance_loc4 to adjust relative to the
3552 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3553 (dwarf2out_switch_text_section): Reset the current label to avoid
3554 using advance_loc4 over section boundaries.
3556 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3559 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3560 r12 + SYMBOLIC_CONST.
3562 2006-08-30 Richard Guenther <rguenther@suse.de>
3564 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3566 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3568 PR rtl-optimization/27735
3569 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3570 Add new argument to keep track of whether an irreducible region
3571 was affected. All callers changed.
3572 (fix_irreducible_loops): Removed.
3573 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3574 flags were invalidated.
3576 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3578 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3579 instead of SF operands.
3580 (*fop_df_comm_sse): Likewise.
3581 (*fop_df_comm_i387): Likewise.
3582 (*fop_df_1_mixed): Likewise.
3583 (*fop_df_1_sse): Likewise.
3585 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3586 J"orn Rennecke <joern.rennecke@st.com>
3588 PR tree-optimization/17506
3589 * tree-ssa.c (warn_uninit): If warning about a location outside of
3590 the current function, note where the variable was declared.
3592 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3594 PR tree-optimization/28411
3595 * double-int.c (double_int_div): Use double_int_divmod.
3596 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3597 double_int_mod, double_int_smod, double_int_umod): New functions.
3598 * double-int.h (double_int_divmod, double_int_sdivmod,
3599 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3601 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3603 (get_computation_aff, get_computation_cost_at): Handle double_int
3604 return type of constant_multiple_of.
3606 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3609 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3610 an implicit conversion.
3612 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3614 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3616 2006-08-27 Roger Sayle <roger@eyesopen.com>
3618 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3621 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3623 * config/i386/crtfastmath.c: Fix a comment typo.
3625 2006-08-26 Roger Sayle <roger@eyesopen.com>
3627 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3628 temporary visit flags on CASE_LABEL_EXPRs.
3629 * c-common.c (match_case_to_enum): Add function comment. Avoid
3630 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3631 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3632 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3633 a constant, only warn if that constant value isn't handled.
3635 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3638 * input.h (restore_input_file_stack): Declare.
3639 (INPUT_FILE_STACK_BITS): Define.
3640 * toplev.c (fs_p, input_file_stack_history,
3641 input_file_stack_restored, restore_input_file_stack): New.
3642 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3643 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3644 (pop_srcloc): Don't free old state of stack.
3646 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3649 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3650 (PowerPC Type Attributes): New.
3652 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3654 * config/xtensa/xtensa.c (function_arg_boundary): New.
3655 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3657 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3658 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3660 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3663 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3666 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3668 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3669 (verify_local_live_at_start): Likewise.
3671 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3674 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3675 omp_add_variable): Treat sizes as variable whenever not
3678 2006-08-26 Richard Guenther <rguenther@suse.de>
3681 * fold-const.c (fold_binary): Fold temporary to correct
3682 type before constructing new comparison.
3684 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3687 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3688 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3690 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3693 * c-decl.c (start_function): Don't try to process prototype
3694 information from old declaration that isn't a function.
3696 2006-08-25 Jan Hubicka <jh@suse.cz>
3699 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3701 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3704 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3707 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3709 PR tree-optimization/16876
3710 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3711 exit if PARM doesn't match VALUE.
3713 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3715 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3716 literal_prefix directive.
3717 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3718 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3719 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3721 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3724 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3725 predicate to general_operand. Add 0->y and I->r alternatives.
3727 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3729 * doc/tm.texi: Fix a typo.
3730 * predict.c: Fix comment typos.
3732 2006-08-25 Nick Clifton <nickc@redhat.com>
3734 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3735 assertions of "cpu" and "machine".
3737 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3740 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3741 the access through a base which has an alias set of 0 cannot
3744 2006-08-24 Bill Wendling <wendling@apple.com>
3746 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3748 2006-08-24 Jan Hubicka <jh@suse.cz>
3750 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3752 2006-08-24 Jan Hubicka <jh@suse.cz>
3755 * cgraph.c: Fix comments.
3756 (cgraph_varpool_mark_needed_node): Mark only variables not already
3758 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3759 (cgraph_varpool_assembled_nodes_queue): New static variable.
3760 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3761 (cgraph_varpool_output_debug_info): New function.
3762 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3763 * Makefile.in: Add gt-cgraphunit.h
3765 2006-08-24 Jan Hubicka <jh@suse.cz>
3767 * predict.c (probability_reliable_p): New predicate.
3768 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3769 (predict_loops): Do not predict loop exit with less than 2%
3771 * basic-block.h (edge_probability_reliable_p,
3772 br_prob_note_reliable_p): Declare.
3773 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3774 prediction when static predictor is not reliable.
3775 * rs6000.c (output_cbranch): Likewise.
3777 2006-08-23 Stuart Hastings <stuart@apple.com>
3780 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3781 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3783 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3786 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3787 complex values, nor for generic vector values.
3789 2006-08-22 Richard Guenther <rguenther@suse.de>
3792 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3793 parameter. Convert arguments to arithmetic expression to the
3795 (analyze_scalar_evolution_1): Adjust caller.
3797 2006-08-22 Jan Hubicka <jh@suse.cz>
3799 Patch by Paolo Bonzini
3800 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3803 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3805 PR tree-optimization/28003
3806 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3807 before grouping aliases.
3809 2006-08-22 Roger Sayle <roger@eyesopen.com>
3811 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3812 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3814 2006-08-21 Jason Merrill <jason@redhat.com>
3817 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3818 wrapper. Loop to handle nested wrappers.
3819 (gimplify_bind_expr): Remove temp parameter.
3820 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3821 and STATEMENT_LIST on the rhs.
3822 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3823 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3824 (gimplify_target_expr): Remove special BIND_EXPR handling.
3826 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3828 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3831 2006-08-21 Olivier Hainque <hainque@adacore.com>
3833 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3834 Arrange for the temporary captures of components overlapping the lhs
3835 to happen before the lhs is possibly cleared.
3837 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3839 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3840 necessary places to pass the correct "number of registers" values
3843 2006-08-20 Jan Hubicka <jh@suse.cz>
3845 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3846 (create_name_tags): Instead of quadratic checking use hashtable.
3847 * bitmap.h: Include hashtab.h.
3848 (bitmap_hash): Declare.
3849 * bitmap.c (bitmap_hash): New function.
3851 2006-08-20 Jan Hubicka <jh@suse.cz>
3853 PR rtl-optimization/28071
3854 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3856 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3857 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3858 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3859 cgraph_decide_inlining_incrementally): Update use of
3860 cgraph_check_inline_limits.
3861 * cgraph.c (edge_hash, edge_eq): New function.
3862 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3863 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3864 cgraph_remove_node): Maintain call site hash.
3865 * cgraph.h (struct cgraph_node): Add call_site_hash.
3866 (cgraph_set_call_stmt): New function.
3868 2006-08-20 Jan Hubicka <jh@suse.cz>
3870 PR rtl-optimization/28071
3871 * reload1.c (reg_has_output_reload): Turn into regset.
3872 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3873 choose_reload_regs, emit_reload_insns): Update to new
3874 reg_has_output_reload.
3876 2006-08-20 Jan Hubicka <jh@suse.cz>
3879 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3880 function body sizes.
3881 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3883 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3886 * tree.c (handle_dll_attribute): Return early if not a
3887 var or function decl.
3889 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3892 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3893 alignment of SPE vector types.
3895 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3897 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3899 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3902 * cgraph.h (struct cgraph_node): Remove externally_visible
3904 * cgraphunit.c (process_function_and_variable_attributes): Set
3905 local.externally_visible rather than externally_visible.
3908 * c-common.c (handle_externally_visible_attribute): First look
3909 at TREE_CODE and only if it is function or var decl, check for
3910 non-public objects. Don't warn for DECL_EXTERNAL.
3911 * cgraphunit.c (process_function_and_variable_attributes): Warn
3912 if externally_visible attribute is used on non-public object.
3914 2006-08-17 Jan Hubicka <jh@suse.cz>
3916 PR tree-optimization/27865
3917 * reload1.c (forget_marked_reloads): New function.
3918 (forget_old_reloads_1): When data are passed, just mark the registers
3920 (reload_as_needed): Use the new mechanizm.
3922 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3925 * reload.h (reg_equiv_alt_mem_list): New declaration.
3926 * reload1.c (reg_equiv_alt_mem_list): New definition.
3927 (reload): Initialize it and release it.
3928 (delete_output_reload): Use it.
3929 * reload.c (push_reg_equiv_alt_mem): New function.
3930 (find_reloads_toplev): Call it.
3931 (find_reloads_address, find_reloads_address_1): Likewise.
3932 (find_reloads_subreg_address): Likewise.
3934 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3936 PR rtl-optimization/28489
3937 * sched-ebb.c (begin_schedule_ready): Create basic block
3939 (advance_target_bb): Skip empty blocks.
3940 * haifa-sched.c (bb_note): Make global.
3941 * sched-int.h (bb_note): Add prototype.
3943 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3945 PR tree-optimization/27865
3946 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3948 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3949 fold_used_pointer, pointer_used_p): New functions.
3950 (analyze_scalar_evolution_1): Use fold_used_pointer.
3951 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3952 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3955 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3958 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3959 or the INTEGER_CST. Fail on a CALL_EXPR.
3960 (fold_offsetof): Pass new argument to fold_offsetof_1.
3961 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3962 operand into an INDIRECT_REF.
3963 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3965 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3967 PR gcov/profile/26570
3968 * value-prof.c (static_values): Removed.
3969 (tree_find_values_to_profile): Do not set static_values.
3970 (find_values_to_profile): Do not free static_values.
3971 * profile.c (instrument_values): Do not free the values.
3972 (branch_prob): Free the values.
3974 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3976 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3978 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3981 * c-typeck.c (build_component_ref): Combine qualifiers of
3982 structure or union and field.
3984 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3986 PR rtl-optimization/28071
3987 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3988 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3989 * tree-into-ssa.c (struct dom_dfsnum): New.
3990 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3992 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3993 compute_global_livein.
3994 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3995 in phi nodes in the correct blocks.
3997 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3999 PR tree-optimization/28364
4000 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4002 (fold_affine_expr): New function.
4003 (may_eliminate_iv): Use fold_affine_expr.
4005 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4008 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4011 2006-08-16 Mike Stump <mrs@apple.com>
4013 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4014 * doc/cppopts.texi (-MD): Likewise.
4016 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4019 * c-common.c (handle_weak_attribute): Ignore and warn if
4020 not a FUNCTION_ or VAR_DECL.
4022 2006-07-15 Mike Stump <mrs@apple.com>
4025 * c-parser.c (c_parser_typeof_specifier): Don't use
4026 c_finish_expr_stmt, open code desired semantics instead.
4028 2006-08-15 Nick Clifton <nickc@redhat.com>
4030 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4031 fragment to tmake_file only if threads are enabled.
4032 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4033 * config/i386/t-gthr-win32: New file. ... here.
4035 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4038 * c-parser.c (c_parser_compound_statement_nostart): Reset
4039 parser->error after each statement.
4041 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4044 * omp-low.c (lower_omp_parallel): Convert t to
4045 receiver_decl's type.
4046 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4047 source before comparison.
4050 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4051 to itype in assignment to oldival2.
4053 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4057 * c-typeck.c (build_compound_expr): If the second expression
4058 is an error mark, then just return an error mark instead of
4059 creating a COMPOUND_EXPR.
4061 2006-07-14 Mike Stump <mrs@apple.com>
4063 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4065 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4067 * c-decl.c, var-tracking.c: Fix comment typos.
4069 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4071 PR rtl-optimization/28634
4072 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4073 for floating-point modes unless flag_unsafe_math_optimizations.
4075 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4076 Andrew Pinski <pinskia@physics.uc.edu>
4079 * tree.c (build_array_type): Unify array types with
4080 unspecified index_type.
4081 * c-decl.c (grokdeclarator): Make sure we do not modify a
4082 unified incomplete array type.
4083 * c-typeck.c (store_init_value): Create distinct type before
4084 filling in the index type in an initializer from a compound
4087 * c-decl.c (grokdeclarator): Remove code where we copy the
4090 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4092 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4093 into account for TODO_dump_cgraph.
4094 (TODO_update_ssa_no_phi): Likewise.
4095 (TODO_update_ssa_full_phi): Likewise.
4096 (TODO_update_ssa_only_virtuals): Likewise.
4097 (TODO_remove_unused_locals): Likewise.
4098 (TODO_set_props): Likewise.
4099 (TODO_update_stmt_usage): Likewise.
4101 2006-08-13 Dirk Mueller <dmueller@suse.de>
4103 * c-common.c (strict_aliasing_warning): Fix formatting.
4105 2006-08-13 Matthias Klose <doko@debian.org>
4107 * doc/invoke.texi: Fix spelling errors.
4109 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4111 PR rtl-optimization/23454
4112 * reorg.c (relax_delay_slots): Update comment.
4114 2006-08-11 Richard Guenther <rguenther@suse.de>
4117 * simplify-rtx.c (simplify_const_relational_operation):
4118 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4121 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4123 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4124 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4126 2006-08-10 Paul Brook <paul@codesourcery.com>
4128 * final.c (final_scan_insn): Clear current_insn_predicate before
4129 outputting inline asm.
4131 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4133 PR tree-optimization/26197
4134 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4135 get_ref_base_and_extent and overlap_subvar to add only relevant
4136 subvars as may-aliases.
4137 (add_may_alias_for_new_tag): New function, factored out of
4139 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4140 with additional argument.
4141 * tree-flow.h (new_type_alias): Takes additional argument.
4143 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4145 * gcov.c (no_data_file): New flag.
4146 (read_count_file): Set it if data file not present. Assume counts
4148 (output_lines): Don't name the data file, if there wasn't one.
4150 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4152 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4153 (rs6000_generate_compare): Tweak comments.
4154 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4156 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4158 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4159 (var_debug_decl): New function.
4160 (var_reg_set): Follow debug decl link. Add location even if
4161 reg is already known to hold some other variable.
4162 (var_mem_set): Follow debug decl link.
4163 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4164 decl link. Delete other known locations of the variable part
4166 (var_reg_delete, var_mem_delete): Delete other known locations
4167 of the variable part if requested.
4168 (same_variable_part_p): New function.
4169 (add_stores): Select MO_COPY when appropriate.
4170 (vt_initialize): Handle it.
4171 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4172 known locations for MO_SET and MO_CLOBBER.
4173 (find_variable_location_part): New function.
4174 (set_variable_part, delete_variable_part): Use it.
4175 (clobber_variable_part): New function.
4176 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4179 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4181 PR tree-optimization/26969
4182 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4183 with an empty list of PHIs.
4185 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4189 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4192 2006-08-06 Andreas Schwab <schwab@suse.de>
4194 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4195 string. Whitespace and comment fixup.
4197 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4200 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4204 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4207 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4209 2006-08-04 Jan Hubicka <jh@suse.cz>
4213 * reload.c (push_reload): Patch out the mismatching instruction;
4215 (find_reload): Bail out if the instruction was patched out.
4217 2006-08-04 Jan Hubicka <jh@suse.cz>
4219 PR tree-optimization/24888
4220 * tree-inline.c (expand_call_inline): Do not re-record variables.
4221 (declare_inline_vars): Add variable to unexpanded_var_list.
4223 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4224 Roger Sayle <roger@eyesopen.com>
4226 PR rtl-optimization/26244
4227 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4228 inner_const are negative or greater than or equal to the bitsize of
4229 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4230 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4231 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4232 CONST0_RTX (mode) when the new shift count is greater than or equal to
4233 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4236 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4238 * tree-cfg.c: Fix a comment typo.
4240 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4243 * varasm.c (output_constant): Give the front end another chance to
4244 expand constants, after stripping NOPs.
4246 2006-08-03 Jan Hubicka <jh@suse.cz>
4248 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4251 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4253 PR tree-optimization/27770
4254 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4255 declaration removed (moved to tree-flow.h).
4256 (vect_can_force_dr_alignment_p): Likewise.
4257 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4258 (moved from tree-vectorizer.h).
4259 (vect_can_force_dr_alignment_p): Likewise.
4260 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4261 from outside the vectorizer - in particular from cgraph stage.
4262 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4263 the alignment of global arrays when -fsection-anchors is enabled.
4264 * cgraphunit.c (cgraph_increase_alignment): New function.
4265 (cgraph_optimize): Call cgraph_increase_alignment.
4267 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4270 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4271 not reload a SPE symbol_ref into a lo_sum address.
4273 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4276 * dwarf2out.c (prune_unused_types_prune): Move call to
4277 prune_unused_types_update_strings to cover the parent DIE also.
4279 2006-08-02 Jan Hubicka <jh@suse.cz>
4281 PR gcov/profile/28480
4282 * tree-cfg.c (change_bb_for_stmt): New function.
4283 (tree_merge_blocks, tree_split_blocks): Use it.
4285 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4291 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4292 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4293 (cgraph_optimize): Likewise.
4295 2006-08-01 Stuart Hastings <stuart@apple.com>
4297 * rtl.h (UINTVAL) New.
4298 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4299 * testsuite/gcc.dg/20060801-1.c: New.
4301 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4304 * c-typeck.c (build_external_type): Mark used enum types.
4305 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4307 (gen_subprogram_die): Whitespace fix.
4309 2006-08-01 Jan Hubicka <jh@suse.cz>
4311 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4312 bitmap when not needed.
4313 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4316 2006-08-01 Dirk Mueller <dmueller@suse.de>
4318 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4320 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4322 * Makefile.in: Revert part of previous patch:
4323 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4326 2006-07-30 Eric Christopher <echristo@apple.com>
4329 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4330 (PowerPC Variable Attributes): New section.
4332 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4334 PR target/28126 (partial fix)
4335 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4337 2006-07-28 Jan Hubicka <jh@suse.cz>
4339 PR rtl-optimization/28071
4340 * cfgrtl.c (rtl_delete_block): Free regsets.
4341 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4343 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4345 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4346 and variables used in dependencies.
4348 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4350 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4351 %fs for -mcmodel=kernel.
4352 (stack_tls_protect_test_di): Likewise.
4354 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4356 * Makefile.in: Use mkinstalldirs.
4358 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4361 * opts-common.c (prune_options): Skip joined switches.
4363 2006-07-27 Jan Hubicka <jh@suse.cz>
4365 PR rtl-optimization/28071
4366 * cselib.c (cselib_process_insn): Don't remove useless values too
4367 often for very large hashtables.
4369 2006-07-27 Jan Hubicka <jh@suse.cz>
4371 PR rtl-optimization/28071
4372 * global.c (greg_obstack): New obstack.
4373 (allocate_bb_info): Use it.
4374 (free_bb_info): Likewise.
4375 (modify_reg_pav): Likewise.
4377 2006-07-27 Roger Sayle <roger@eyesopen.com>
4379 * builtins.c (fold_fixed_mathfn): When long and long long are the
4380 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4381 functions to their lceil*, lfloor*, lround* and lrint* forms.
4383 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4386 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4388 (rev_branch_insn): Likewise.
4390 2006-07-27 Jan Hubicka <jh@suse.cz>
4392 PR rtl-optimization/28071
4393 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4394 (reg_set_in_bb, max_reg_computed): New static variables.
4395 (regmove_optimize): Free the new array.
4396 (fixup_match_1): Update call of reg_is_remote_constant_p.
4398 2006-07-26 Jan Hubicka <jh@suse.cz>
4400 PR tree-optimization/27882
4401 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4403 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4405 (cgraph_analyze_compilation_unit): Likewise.
4406 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4407 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4408 (cgraph_early_inlinine): Make order garbage collected.
4409 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4411 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4413 * dbxout.c (output_types_sort): Add a comment.
4414 (output_used_types): Free the VEC.
4416 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4418 * function.c (reorder_fix_fragments): Delete.
4419 (reorder_blocks): Don't call it.
4420 (reorder_blocks_1): Put all subblocks under the origin block.
4422 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4424 PR rtl-optimization/27907
4425 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4428 2006-07-25 Roger Sayle <roger@eyesopen.com>
4431 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4432 bar(x) check that bar's result type can represent all the values of T.
4434 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4436 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4438 2006-07-25 Nick Clifton <nickc@redhat.com>
4440 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4441 size_lookup[] array.
4442 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4443 (ggc_pch_count_object): Likewise.
4444 (ggc_pch_alloc_object): Likewise.
4445 (ggc_pch_write_object): Likewise.
4446 (init_ggc): Do not attempt to initialize entries in the
4447 size_lookup[] array for objects whose size is greater than than
4448 the length of the array.
4450 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4452 * dbxout.c (output_used_types_helper): Push queued types
4454 (output_types_sort): New.
4455 (output_used_types): Collect used types on a VEC and sort them
4458 2006-07-24 Richard Guenther <rguenther@suse.de>
4461 * cgraph.c (cgraph_remove_node): Do not check if dumps
4463 * cgraphunit.c (cgraph_optimize): Likewise.
4465 2006-07-24 Jan Hubicka <jh@suse.cz>
4467 PR rtl-optimization/28071
4468 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4469 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4470 splitting before first stmt.
4472 2006-07-24 Jan Hubicka <jh@suse.cz>
4474 PR rtl-optimization/28071
4475 * ipa-inline.c (update_caller_keys): Remove edges that
4476 are no longer inline candidates.
4478 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4481 * dbxout.c (output_used_types_helper, output_used_types): New.
4482 (dbxout_symbol): Call output_used_types.
4484 2006-07-23 Jan Hubicka <jh@suse.cz>
4488 * cgraph.c (cgraph_varpool_nodes): Export.
4489 (decide_is_variable_needed): Ignored "used" attribute in
4490 unit-at-a-time mode.
4491 * cgraph.h (cgraph_varpool_nodes): Declare.
4492 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4493 unit-at-a-time mode.
4495 2006-07-23 Roger Sayle <roger@eyesopen.com>
4498 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4499 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4500 the __gthrw form of thr_keycreate.
4501 (__gthread_key_delete): Silence the unused argument warning.
4503 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4506 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4507 Cache the last found '\0' marker to avoid quadratic behavior.
4509 2006-07-23 Jan Hubicka <jh@suse.cz>
4511 * i386.md (subsi_3_zext): Fix output template.
4513 2006-07-21 Mike Stump <mrs@apple.com>
4515 * doc/invoke.texi (C++ Dialect Options): Note that
4516 -fvisibility-inlines-hidden doesn't affect explicitly
4517 instantiationed inline methods.
4519 2006-07-20 Roger Sayle <roger@eyesopen.com>
4521 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4522 if the target assembler is GNU binutils' gas.
4523 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4524 whether to pass GNU gas or native as command line options.
4526 2006-07-20 Jason Merrill <jason@redhat.com>
4528 * tree.c (remove_attribute): New fn.
4529 * tree.h: Declare it.
4531 2006-07-20 Paul Brook <paul@codesourcery.com>
4534 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4535 they are invalidated by this instruction.
4537 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4540 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4542 2006-07-20 Eric Christopher <echristo@apple.com>
4545 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4547 2006-07-19 Eric Christopher <echristo@apple.com>
4549 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4550 Rewrite dependencies for libgcc_s.1.dylib.
4552 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4554 * except.c (duplicate_eh_regions_1): Clear next_peer.
4556 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4558 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4559 -mlongcall does not guarantee all calls will be long.
4560 * doc/extend.texi (long_call/short_call): Document that longcall
4561 does not guarantee a long call will be used.
4562 (longcall/shortcall): Likewise.
4564 2006-07-18 Roger Sayle <roger@eyesopen.com>
4567 * expmed.c (expand_shift): Additionally check that the shift_cost
4568 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4569 before implementing a LSHIFT_EXPR as a sequence of additions.
4570 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4571 middle-end that DImode shifts need to be synthesized by expand.
4573 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4576 * tree-ssa-operands.c (access_can_touch_variable): Update
4578 Return true if ALIAS is .GLOBAL_VAR.
4580 2006-07-18 David Daney <ddaney@avtrex.com>
4582 * gcc.c (display_help): Fix typo in help text.
4584 2006-07-18 Olivier Hainque <hainque@adacore.com>
4586 * tree.h (categorize_ctor_elements): Adjust prototype and add
4587 descriptive comment, both in accordance with the interface change
4589 * varasm.c (constructor_static_from_elts_p): New function.
4590 Whether a constructor node is a valid static constant initializer
4591 if all its elements are.
4592 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4593 * output.h: Declare it.
4594 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4595 is a valid constant initializer instead of computing the number of
4596 non-constant elements. Use constructor_static_from_elts_p for this
4597 purpose. Replace the head comment with an indication that this is a
4598 helper for categorize_ctor_elements.
4599 (categorize_ctor_elements): Same interface change as for the _1
4600 helper. Former head comment from this helper moved here, adjusted to
4601 account for the interface changes.
4602 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4603 (all_zeros_p): Likewise.
4604 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4605 static versions of the constructor from the categorize_ctor_elements
4606 return value instead of the formerly computed number of non-constant
4609 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4611 * configure: Regenerate.
4612 * Makefile.in (build_libsubdir): New configure substitution
4613 (build_libobjdir): New variable.
4614 (BUILD_LIBIBERTY): Use it.
4616 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4619 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4621 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4624 * c-common.c (handle_weakref_attribute): Ignore attribute in
4625 the same conditions the alias attribute is ignored.
4627 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4629 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4630 (dbxout_begin_prologue): Increment scope_labelno.
4632 2006-07-17 Richard Henderson <rth@redhat.com>
4635 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4638 2006-07-17 Roger Sayle <roger@eyesopen.com>
4639 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4641 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4642 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4643 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4644 functions such as sbrk, write, etc.. Add function prototypes.
4645 Convert function declarations from K&R to ISO C. Cast pointers
4646 to "long" and "unsigned long" instead of "int" and "unsigned int".
4647 Convert tokens following #endif into comments.
4649 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4651 * invoke.texi: Remove mention of f77; Reformat table for
4652 inline parameter options correctly; mention that -malign-double
4653 is default on x86-64 targets.
4655 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4657 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4658 (convert_affine_scev, chrec_convert_aggressive): Use
4659 avoid_arithmetics_in_type_p. Do not check for the subtypes
4662 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4665 * optabs.c (expand_doubleword_shift): Wrap the call to
4666 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4668 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4671 * optabs.c (expand_binop): Pass next_methods rather than methods
4672 to expand_doubleword_shift.
4674 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4677 * tree.h (dump_addr): Declare.
4678 * print-tree.c (dump_addr): New function.
4679 (print_node_brief, print_node): Use it.
4680 * print-rtl.c (print_rtx): Likewise.
4681 * common.opt (-fdump-noaddr): New option.
4682 * doc/invoke.texi (-fdump-noaddr): Document.
4683 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4684 (ve_info_hash): Likewise.
4686 2006-07-13 Andrew Haley <aph@redhat.com>
4688 PR tree-optimization/19505
4689 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4690 edge leaving this block, make sure that the destination of this
4691 block has only one predecessor.
4693 2006-07-17 Richard Guenther <rguenther@suse.de>
4695 PR tree-optimization/28238
4696 * tree-inline.c (copy_bb): Check if we produced valid
4697 gimple copying and substituting a stmt. If not, gimplify
4700 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4702 * optabs.c (maybe_encapsulate_block): New function extracted from...
4703 (emit_libcall_block): ...here. Invoke it on the block of insns to
4704 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4705 (emit_no_conflict_block): Likewise.
4707 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4709 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4711 2006-07-15 Roger Sayle <roger@eyesopen.com>
4713 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4714 a new NOP_EXPR case of the switch statement.
4716 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4719 * stor-layout.c (place_field): Take the bit field with
4720 an excessive size into account in the ms-bitfiled case.
4723 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4724 the previous bit field.
4726 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4729 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4731 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4733 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4734 signal frames correctly even when the signal was installed with
4737 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4739 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4740 (dbxout_function_end): Use local label LFBB. Remove hook
4742 (dbxout_source_line): Use local label LFBB.
4743 (dbxout_block): Likewise.
4744 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4745 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4746 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4747 and DBX_OUTPUT_NFUN.
4749 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4751 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4753 2006-07-13 Jan Hubicka <jh@suse.cz>
4755 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4757 * output.h (align_variable): Declare.
4758 * varasm.c (align_variable): Export.
4759 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4760 when basic block changed.
4762 2006-07-13 Nick Clifton <nickc@redhat.com>
4764 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4765 walking the LOG_LINKS chain.
4767 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4769 * doc/invoke.texi (C++ Dialect Options): Explain difference
4770 between -fvisibility-inlines-hidden and setting hidden
4771 visibility explicitly.
4773 2006-07-12 Eric Christopher <echristo@apple.com>
4775 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4776 (stmp-lipo): Depend on libgcc.a.
4778 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4780 * tree.c: Fix a comment typo.
4782 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4784 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4786 (umulhisi3_r): Likewise.
4788 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4791 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4792 x < 19, vs wchar_t support.
4794 2006-07-12 Nick Clifton <nickc@redhat.com>
4796 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4797 instead of -isa=sh4.
4799 2006-07-12 Mike Stump <mrs@apple.com>
4801 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4803 2006-07-10 Eric Christopher <echristo@apple.com>
4805 * config/t-slibgcc-darwin: Rewrite.
4807 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4810 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4813 2006-07-08 Matthias Klose <doko@debian.org>
4815 * doc/sourcebuild.texi: Fix typo.
4817 2006-07-07 Mike Stump <mrs@apple.com>
4819 * toplev.c (process_options): Don't give -ffunction-sections may
4820 affect debugging warning for Mach-O.
4822 2006-07-07 James E Wilson <wilson@specifix.com>
4824 * config/mips/mips.md (cpu): Add sb1a.
4825 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4826 addition to sb1. Adjust comments to clarify SB-1A differences from
4828 (ir_sb1a_load): New. Modify bypasses to use it.
4829 (ir_sb1a_simple_alu): Likewise.
4830 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4831 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4832 (mips_issue_rate): Add PROCESSOR_SB1A.
4833 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4834 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4835 (TARGET_SB1): Add PROCESSOR_SB1A check.
4836 (TUNE_SB1): Likewise.
4838 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4839 * config/mips/mips.c (mips_store_data_bypass_p): New.
4840 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4841 store_data_bypass_p.
4843 2006-07-08 Paul Brook <paul@codesourcery.com>
4846 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4848 2006-07-07 Richard Guenther <rguenther@suse.de>
4851 * tree.h (build_one_cst): Declare.
4852 * tree.c (build_one_cst): New function.
4853 * tree-ssa-math-opts.c (get_constant_one): Remove.
4854 (insert_reciprocals): Use build_one_cst.
4855 * fold-const.c (fold_plusminus_mult): Likewise.
4857 2006-07-07 Roger Sayle <roger@eyesopen.com>
4859 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4860 * cfgloopanal.c (dump_graph): Likewise.
4861 * dojump.c (discard_pending_stack_adjust): Likewise.
4862 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4864 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4865 * function.c (finalize_block_changes): Likewise.
4866 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4867 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4868 * rtl.c (dump_rtx_statistics): Likewise.
4869 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4871 * varray.c (dump_varray_statistics): Likewise.
4872 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4873 decode_decimal64, encode_decimal128, decode_decimal128,
4874 decimal_real_to_decimal): Likewise.
4876 2006-07-07 Richard Guenther <rguenther@suse.de>
4878 PR tree-optimization/28187
4879 * tree-vrp.c (vrp_operand_equal_p): New function.
4880 (vrp_bitmap_equal_p): Likewise.
4881 (update_value_range): Use them to compare old and new
4884 2006-07-06 Roger Sayle <roger@eyesopen.com>
4886 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4887 a default case to switch statement to silence compiler warnings.
4889 2006-07-06 Roger Sayle <roger@eyesopen.com>
4892 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4893 the configured assembler supports the x87's ffreep mnemonic.
4894 * configure: Regenerate.
4895 * config.in: Regenerate.
4897 * config/i386/i386.c (output_387_ffreep): New function.
4898 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4899 (output_387_reg_move): Likewise.
4901 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4903 Port to hosts whose 'sort' and 'tail' implementations
4904 treat operands with leading '+' as file names, as POSIX
4905 has required since 2001. However, make sure the code still
4906 works on pre-POSIX hosts.
4907 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4908 which says you should use "tail -c +N" rather than "tail +Nc".
4909 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4911 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4913 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4916 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4919 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4920 PRE_{INC,DEC} of TFmode.
4922 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4923 Alan Modra <amodra@bigpond.net.au>
4926 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4929 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4932 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4933 Remove duplicate gtu.
4935 2006-07-05 Jason Merrill <jason@redhat.com>
4939 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4940 * c-common.c (handle_packed_attribute): So don't copy it here.
4941 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4943 2006-07-05 Mike Stump <mrs@apple.com>
4945 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4947 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4950 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4952 2006-07-05 Richard Guenther <rguenther@suse.de>
4955 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4956 TARGET_SSE2 targets if using SSE math.
4957 (*absdf2_1): Likewise.
4959 2006-07-05 Richard Guenther <rguenther@suse.de>
4961 PR tree-optimization/28162
4962 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4963 make sure to convert the operands to the correct type.
4965 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4967 PR tree-optimization/28218
4969 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4970 to calculate and free the dominator information.
4972 2006-07-04 Peter O'Gorman <peter@pogma.com>
4974 * mklibgcc.in: chmod 644 before ranlib during install.
4976 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4977 J"orn Rennecke <joern.rennecke@st.com>
4979 * configure.ac (.eh_frame data check): Use diff -b.
4981 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4984 * Makefile.in (BUILD_RTL): Add build/vec.o.
4985 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4986 (build/genextract): Delete.
4987 (build/genautomata): Likewise.
4989 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4992 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4993 128-bit IBM long doubles for ABI_V4.
4995 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4997 * tree.c (range_in_array_bounds_p): New predicate.
4998 * tree.h (range_in_array_bounds_p): Declare it.
4999 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5000 return a less conservative answer.
5001 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5002 and flag 'is_group'.
5003 (IS_ELEMENT_FOR_GROUP): New macro.
5004 (FOR_EACH_ACTUAL_CHILD): Likewise.
5005 (next_child_for_group): New helper function.
5006 (can_completely_scalarize_p): Take into account groups.
5007 (sra_hash_tree): Handle RANGE_EXPR.
5008 (sra_elt_eq): Likewise.
5009 (lookup_element): Be prepared for handling groups.
5010 (is_valid_const_index): Delete.
5011 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5012 instead of is_valid_const_index.
5013 <ARRAY_RANGE_REF>: New case.
5014 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5015 is_valid_const_index.
5016 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5017 (scan_dump): Dump info for groups too.
5018 (decide_instantiation_1): Likewise.
5019 (decide_block_copy): Assert that the element is not a group.
5020 Propagate decision to groups.
5021 (generate_one_element_ref): Handle RANGE_EXPR.
5022 (mark_no_warning): Iterate over actual childs.
5023 (generate_copy_inout): Likewise.
5024 (generate_element_copy): Likewise.
5025 (generate_element_zero): Likewise.
5026 (generate_element_init_1): Likewise.
5027 (dump_sra_elt_name): Handle RANGE_EXPR.
5029 2006-07-03 Roger Sayle <roger@eyesopen.com>
5031 PR tree-optimization/26251
5032 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5033 (thread_block): When optimizing for size refuse to thread jumps
5034 that would require duplication of blocks other than redirection
5037 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5039 * configure.ac: Fix thinko in previous check-in.
5040 * configure: Regenerate.
5042 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5045 * configure.ac (for lang...): Simplify nesting of conditionals.
5046 Test subdir_requires for non-enabled languages. Move processing
5047 of lang_opt_files and lang_tree_fiels below that test.
5048 * configure: Regenerate.
5049 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5051 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5053 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5055 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5057 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5060 2006-06-29 Jason Merrill <jason@redhat.com>
5067 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5068 * c-common.c (c_determine_visibility): Handle it here.
5069 * c-decl.c (finish_decl): Call c_determine_visibility for
5071 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5073 * varasm.c (default_assemble_visibility): Likewise.
5074 * c-common.c (handle_visibility_attribute): Complain about trying
5075 to give visibility to an already defined class, or trying to change
5076 declared visibility. Always attach the attribute.
5081 * attribs.c (decl_attributes): Ignore type-in-place attributes
5082 once the type has been defined.
5084 2006-06-29 Roger Sayle <roger@eyesopen.com>
5087 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5088 to indicate the cpplib has issued an error message for us.
5090 2006-06-29 Asher Langton <langton2@llnl.gov>
5093 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5094 insert a label at the end of an function under Mach-O.
5096 2006-06-29 Eric Christopher <echristo@apple.com>
5097 Evan Cheng <evan.cheng@apple.com>
5099 * predicates.md (vector_all_ones_operand): New.
5100 (nonimmediate_or_sse_const_operand): Ditto.
5101 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5102 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5103 (standard_sse_mode_p): Ditto.
5104 (standard_sse_constant_p): Add case for -1 vector.
5105 (ix86_expand_vector_move): Try to use.
5106 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5107 Call standard_sse_constant_opcode.
5108 (*movv4sf_internal): Ditto.
5109 (*movv2df_internal): Ditto.
5111 2006-06-29 Roger Sayle <roger@eyesopen.com>
5113 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5114 of XEXP to extract the operands of a MATCH_CODE rtx.
5116 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5118 * tree.c (tree_size): Do not waste tail padding in
5119 struct tree_string and make the size be the same as
5120 build_string will generate.
5122 2006-06-28 Jason Merrill <jason@redhat.com>
5125 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5126 may_aliases already in the tag's annotations to the bitmap.
5128 2006-06-28 Roger Sayle <roger@eyesopen.com>
5130 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5132 2006-06-28 Roger Sayle <roger@eyesopen.com>
5134 * genpreds.c (generate_switch_p): New function.
5135 (add_mode_tests): Push the new mode test down inside an AND expr
5136 if this allows the switch-suitable MATCH_CODE to be near the root.
5137 (write_match_code_switch): New function to write a MATCH_CODE as
5139 (write_predicate_stmts): New function to write a predicate RTX
5140 expression as a sequence of statements.
5141 (write_one_predicate_function): Use write_predicate_stmts.
5142 (write_tm_constrs_h): Likewise.
5144 2006-06-26 Fred Fish <fnf@specifix.com>
5146 * config/mips/t-sb1: New file.
5147 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5150 2006-06-26 DJ Delorie <dj@redhat.com>
5152 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5154 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5155 Jayant Sonar <jayants@kpitcummins.com>
5156 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5158 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5159 (subsi3, subsi3_1, subsi3_2): New.
5160 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5161 * config/m32c/mov.md (SI mov peephole): New.
5162 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5163 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5165 2006-06-26 Olivier Hainque <hainque@adacore.com>
5167 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5168 a CALL_EXPR target function declaration.
5170 2006-06-26 Richard Guenther <rguenther@suse.de>
5172 * tree.c (build_string): Do not waste tail padding in
5175 2006-06-26 Richard Guenther <rguenther@suse.de>
5177 * ggc-page.c (init_ggc): Add missing element to size_lookup
5181 2006-06-23 Richard Guenther <rguenther@suse.de>
5183 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5184 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5185 alignment requests instead. Add verification code.
5186 Add struct tree_function_decl and struct tree_binfo size to
5187 extra_order_size_table. Add missing element to size_lookup
5190 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5193 * fold-const.c (const_binop): Be prepared for self returning zero.
5194 Simplify code handling complex values.
5196 2006-06-24 Olivier Hainque <hainque@adacore.com>
5198 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5199 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5202 2006-06-24 Olivier Hainque <hainque@adacore.com>
5204 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5205 ARRAY_REF, so have the callback called for the low bound expression.
5207 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5209 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5210 * c-typeck.c (c_common_type): Disallow operations on decimal float
5211 types and other float types.
5212 * convert.c (convert_to_real): Don't ignore conversions involving
5213 decimal float types.
5215 2006-06-23 Olivier Hainque <hainque@adacore.com>
5217 * tree.c (max_int_size_in_bytes): New function, inspired from
5218 code in function.c:assign_temp.
5219 * tree.h (max_int_size_in_bytes): Declare.
5220 * function.c (assign_temp): Use it.
5221 * gimplify.c (create_tmp_var): Relax the assertions on the type
5222 properties, not mandating constant size any more.
5223 (force_constant_size): New static function.
5224 (gimple_add_tmp_var): Use it, forcing variable size to a
5225 constant upper bound if it is not constant on entry.
5227 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5230 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5231 for initialization and setting of one_only flag to ...
5232 (i386_pe_encode_section_info): ...here.
5233 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5234 Recheck that the symbol has not been defined.
5236 2006-06-23 Richard Guenther <rguenther@suse.de>
5238 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5239 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5240 alignment requests instead. Add verification code.
5241 Add struct tree_function_decl and struct tree_binfo size to
5242 extra_order_size_table. Add missing element to size_lookup
5245 2006-06-22 Roger Sayle <roger@eyesopen.com>
5246 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5249 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5250 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5252 2006-06-23 Ben Elliston <bje@au.ibm.com>
5254 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5255 negate dn -- manipulate it directly.
5257 2006-06-22 Roger Sayle <roger@eyesopen.com>
5258 Steven Bosscher <stevenb.gcc@gmail.com>
5261 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5262 generated by gen_move_insn to add REG_LABEL notes if necessary.
5264 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5266 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5267 (leaf_entry): Remove use of MIN_ESA.
5269 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5271 PR rtl-optimization/28121
5272 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5275 2006-06-21 DJ Delorie <dj@redhat.com>
5277 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5279 (mulhisi3_r): Likewise.
5281 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5284 * coverage.c (coverage_counter_alloc): Leave the index type
5286 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5289 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5291 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5292 section from the "Options for Code Generation Conventions".
5294 2006-06-21 Richard Henderson <rth@redhat.com>
5298 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5300 (global_symbolic_operand): Allow weak symbols, even if local_p.
5302 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5304 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5305 (find_interesting_uses_address): Punt if above function returns true.
5307 2006-06-21 Richard Guenther <rguenther@suse.de>
5309 * configure: Regenerated.
5311 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5313 * config/mips/mips.c (function_arg): Where one part of a
5314 complex argument is in registers and the other part in the stack,
5315 return a REG not a PARALLEL.
5317 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5319 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5320 when cross-compiling. Do not substitute libstdcxx_incdir.
5321 * configure: Regenerated.
5323 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5325 * varasm.c (mergeable_string_section): Check for embedded NULs and
5326 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5327 rather than TREE_STRING_LENGTH bytes.
5329 2006-06-21 Richard Guenther <rguenther@suse.de>
5331 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5332 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5335 2006-06-21 Richrad Guenther <rguenther@suse.de>
5337 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5338 Limit iteration over the dominators.
5340 2006-06-20 Roger Sayle <roger@eyesopen.com>
5342 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5343 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5345 2006-06-20 Richard Guenther <rguenther@suse.de>
5346 Michael Matz <matz@suse.de>
5348 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5350 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5351 * et-forest.h (et_free_pools): Prototype new function.
5352 * et-forest.c (et_free_tree_force): Free parent occurrence.
5353 (et_free_pools): New function.
5354 * dominance.c (free_dominance_info): Free et-forest alloc
5357 2006-06-20 Roger Sayle <roger@eyesopen.com>
5359 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5360 integer modes, attempt to directly construct an integer constant.
5362 * fold-const.c (native_encode_vector): Determine the size of each
5363 element from the vector type instead of the first vector element.
5365 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5366 if all of its elements/components are constant.
5367 (build_constructor_from_list): Likewise.
5369 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5371 PR tree-optimization/27331
5372 * tree-data-ref.c (free_data_ref): New function.
5373 (create_data_ref): Fail if the data reference has unknown access
5375 (free_data_refs): Use free_data_ref.
5377 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5380 * tree-inline.c (setup_one_parameter): Strip useless
5381 type conversion before adding it to the IR.
5382 (declare_return_variable): Likewise.
5384 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5387 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5389 2006-06-19 Mike Stump <mrs@apple.com>
5391 * tree.c (variably_modified_type_p): VM arguments don't make the
5394 2006-06-19 Richard Guenther <rguenther@suse.de>
5396 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5397 type conversions after folding.
5399 2006-06-19 Richard Guenther <rguenther@suse.de>
5401 * ggc-page.c (extra_order_size_tab): Add entries with
5402 size of struct function and basic_block.
5403 (size_lookup): Extend to cover sizes up to 511.
5404 (ggc_alloc_stat): Adjust user.
5405 (ggc_pch_count_object): Likewise.
5406 (ggc_pch_alloc_object): Likewise.
5407 (ggc_pch_write_object): Likewise.
5409 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5411 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5412 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5415 2006-06-19 Denis Chertykov <denisc@overta.ru>
5417 * config/avr/libgcc.S : Correct my wrong previous commit.
5419 2006-06-19 Roger Sayle <roger@eyesopen.com>
5422 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5423 have stripped a SUBREG from the shift count, so we may need to
5424 convert_to_mode back to the type's mode before calling make_tree.
5425 Use new_amount instead of amount to avoid expanding a tree twice.
5427 2006-06-19 Richard Guenther <rguenther@suse.de>
5430 * fold-const.c (operand_equal_p): Check if the argument types
5431 have the same precision before stripping NOPs.
5433 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5435 Fix PR tree-optimization/27341
5436 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5438 * tree-complex.c (pass_lower_complex): Update SMT usage.
5440 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5442 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5443 Add a new alternative to the constraint strings. Add move of
5444 operand 1 to 3 to the splitter definition.
5445 ("doloop_si_long"): Second contraint alternative removed.
5447 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5449 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5450 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5452 (AVR_HAVE_MOVW) Define.
5453 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5454 (ASM_SPEC): Add avr25.
5455 (LINK_SPEC): Add avr25.
5456 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5457 (base_arch_s): Add new member 'have_movw_lpmx'.
5458 (avr_arch_types): Init 'have_movw_lpmx'.
5459 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5460 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5461 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5462 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5463 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5465 (avr_file_start): Do not output '.arh' derective.
5466 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5467 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5468 * config/avr/avr.md (mcu_enhanced): Delete.
5469 (mcu_have_movw): Define.
5470 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5471 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5472 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5473 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5474 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5475 attiny861 and at86rf401 devices.
5477 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5479 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5482 2006-06-17 Karl Berry <karl@gnu.org>
5484 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5485 doc/gccint.texi, doc/install.texi (@dircategory): Use
5486 "Software development" instead of "Programming", following
5487 the Free Software Directory.
5489 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5491 * config/i386/i386.c (legitimate_tls_address)
5492 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5493 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5494 (*tls_dynamic_gnu2_combine_64): Likewise.
5496 2006-06-16 Richard Guenther <rguenther@suse.de>
5499 * fold-const.c (negate_expr_p): Do not introduce undefined
5500 overflow in negating INTEGER_CSTs.
5501 (fold_negate_expr): Rename from negate_expr. Revert last
5502 change for folding BIT_NOT_EXPR. Change semantics to
5503 return NULL_TREE for non-simplified negations. Do not
5504 strip type conversions and unify type handling.
5505 (negate_expr): New function, wrap around fold_negate_expr
5506 but ensure building a tree always. Strip type conversions
5507 here, fold to result type.
5508 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5510 2006-06-16 Roger Sayle <roger@eyesopen.com>
5513 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5514 that (would) return their results in stack registers.
5516 2006-06-16 Michael Matz <matz@suse.de>
5517 Richard Guenther <rguenther@suse.de>
5519 * fold-const.c (fold_truthop): Only return new tree node if
5520 we canonicalized something.
5522 2006-06-16 Richard Guenther <rguenther@suse.de>
5524 * function.h (enum function_frequency): Move declaration
5525 out of struct function.
5526 (struct function): Move bool fields and the enum to the bitfield
5527 section. Reorder elements to avoid padding. Remove unused
5528 fields left over from the RTL inliner removal.
5529 * function.c (free_after_compilation): Do not zero removed fields.
5530 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5531 (ipa-type-escape.o): Likewise.
5533 2006-06-16 Richard Guenther <rguenther@suse.de>
5535 * cgraph.h (struct cgraph_local_info): Turn bool elements
5537 (struct cgraph_node): Likewise.
5538 (struct cgraph_varpool_node): Likewise.
5540 2006-06-15 Richard Guenther <rguenther@suse.de>
5542 * fold-const.c (fold_truth_not_expr): Rename from
5543 invert_truthvalue. Give it fold_* semantics to avoid
5545 (invert_truthvalue): New function. Wrapper around
5546 fold_truth_not_expr.
5547 (optimize_minmax_comparison): Avoid creating garbage.
5548 (fold_unary): Use fold_truth_not_expr for folding
5550 (fold_ternary): Replace uses of invert_truthvalue with
5551 fold_truth_not_expr where applicable.
5552 * tree.h (fold_truth_not_expr): Prototype.
5554 2006-06-16 Richard Guenther <rguenther@suse.de>
5556 PR tree-optimization/27781
5557 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5558 * ipa-pure-const.c (target.h): Include.
5559 (analyze_function): Do not analyze functions that do not
5562 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5565 * tree-dfa.c (referenced_vars_dup_list): Remove.
5566 (find_referenced_vars): Remove assert.
5567 (referenced_var_check_and_insert): Replace dup list with assert.
5568 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5569 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5571 2006-06-15 Richard Guenther <rguenther@suse.de>
5573 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5574 extra unused identifiers if not dumping.
5575 (create_variable_info_for): Likewise.
5577 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5579 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5580 (derive_constant_upper_bound): Derive more precise upper bound in
5581 common cases. Return type changed to double_int.
5582 (record_estimate): Reflect the changed return type of
5583 derive_constant_upper_bound.
5584 * double-int.c (double_int_zext, double_int_sext): Fix.
5586 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5588 * configure.ac (CFLAGS): Get them from the toplevel or from the
5589 configure invocation.
5590 * configure: Regenerate.
5591 * Makefile.in (CFLAGS): Substitute value provided by configure.
5593 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5596 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5597 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5598 rather than calling add_stmt on it.
5599 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5601 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5604 * reload1.c (reload): Remove registers returned by update_eliminables
5605 from used_spill_regs.
5607 2006-06-13 DJ Delorie <dj@redhat.com>
5609 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5611 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5613 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5614 html__strip_dir, html__mkdir_p. Enhance install-html target.
5615 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5616 * configure: Regenerate.
5618 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5620 * fold-const.c (fold_cond_expr_with_comparison): Check for
5621 Objective-C++ as language in deciding COND_EXPR transformation.
5623 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5626 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5627 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5628 * config/sh/lib1funcs.h (SL, SL1): Define.
5629 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5630 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5631 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5632 (OBJS_Os_4_200): New variable.
5633 ($(T)libgcc-Os-4-200.a): Use it.
5634 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5635 when dividing 1 and/or by 0.
5637 2006-06-13 Roger Sayle <roger@eyesopen.com>
5639 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5640 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5641 * configure: Regenerate.
5643 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5645 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5646 for real instruction.
5648 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5651 * haifa-sched.c (check_cfg): Handle special case.
5653 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5656 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5657 Add debug_info parameter. Chain the vars to the BLOCK instead
5658 of the BIND_EXPR if debug info are requested for them.
5659 (pop_gimplify_context): Adjust for above change.
5660 (gimple_add_tmp_var): Likewise.
5661 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5663 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5664 (convert_local_reference): Likewise.
5665 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5666 (finalize_nesting_tree_1): Request that debug info be emitted
5667 for debug_var_chain.
5669 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5671 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5672 for PR target/27863.
5674 2006-06-13 Richard Guenther <rguenther@suse.de>
5677 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5679 2006-06-13 Richard Guenther <rguenther@suse.de>
5681 PR tree-optimization/27830
5682 * tree-inline.c (copy_body_r): For copying the operand
5683 of an ADDR_EXPR make sure to fold &* afterwards.
5685 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5687 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5688 lvalues in the fb_none case with side-effects.
5690 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5692 * tree-flow.h: Remove the prototype for
5693 compute_phi_arg_on_exit.
5694 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5695 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5698 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5700 * builtins.c (expand_builtin_return_addr): Only use
5701 frame_pointer_rtx when count == 0 and we are expanding
5702 __builtin_return_address.
5704 2006-06-12 Fred Fish <fnf@specifix.com>
5706 * config/mips/mips.c (mips_file_start): Create special section
5707 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5709 2006-06-11 Eric Christopher <echristo@apple.com>
5712 * stor-layout.c (place_field): Remove check for
5713 remaining_in_alignment when aligning at the end of a run.
5715 2006-06-11 Eric Christopher <echristo@apple.com>
5718 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5721 2006-06-11 Roger Sayle <roger@eyesopen.com>
5724 Revert incorrect fix for PR target/27158
5725 2006-05-08 Roger Sayle <roger@eyesopen.com>
5726 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5727 of a reg_equiv_constant if the result is a legitimate constant.
5729 2006-06-11 Roger Sayle <roger@eyesopen.com>
5732 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5733 extract a CONST_VECTOR element and interpret it as an integer.
5734 (vspltis_constant): Use const_vector_elt_as_int instead of the
5735 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5736 * config/rs6000/predicates.md (easy_vector_const): Consider
5737 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5739 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5742 * stor-layout.c (update_alignment_for_field): Don't add extra
5743 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5746 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5748 * config/mips/t-rtems: Add EL/EB multilib variants.
5750 2006-06-09 Mike Stump <mrs@apple.com>
5752 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5754 2006-06-09 David Daney <ddaney@avtrex.com>
5756 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5758 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5760 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5762 2006-06-09 Richard Guenther <rguenther@suse.de>
5764 PR tree-optimization/26998
5765 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5766 of signed types, only TYPE_MIN_VALUE is special, but for both,
5767 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5768 in this case, as is -fwrapv.
5770 2006-06-08 Mike Stump <mrs@apple.com>
5773 * config/darwin.c (darwin_asm_output_anchor): Disable
5774 -fsection-anchors on darwin for now.
5775 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5776 * rs6000/rs6000.c (optimization_options): Likewise.
5778 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5781 * config/i386/i386.c (classify_argument): Skip fields with invalid
5784 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5786 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5787 (cse_insn): Likewise for the stack_pointer_rtx.
5789 2006-06-08 Roger Sayle <roger@eyesopen.com>
5791 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5792 conditions from floating point comparisons.
5794 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5797 * expmed.c (struct alg_hash_entry): Fix type of field T
5798 to match synth_mult argument.
5799 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5801 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5804 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5807 2006-06-08 Richard Guenther <rguenther@suse.de>
5810 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5811 only, if overflow is defined and not trapping.
5812 (negate_expr): Likewise.
5814 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5816 PR tree-optimization/27872
5817 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5818 flag on the new exit edge of the unrolled loop.
5820 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5822 PR rtl-optimization/26449
5823 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5825 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5828 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5829 referenced_variables with matching DECL_UID's.
5830 (find_referenced_vars): Make sure duplicate list is empty to start.
5831 (referenced_var_p): Remove.
5832 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5833 Check if var is in the list, and add if needed. Update the duplicate
5834 list if a different var is in the list with the same DECL_UID.
5835 (add_referenced_var): Call routine to check and insert.
5836 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5837 * tree-flow.h (referenced_vars_dup_list): External declaration.
5839 2006-06-07 Fred Fish <fnf@specifix.com>
5841 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5844 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5847 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5848 the imaginary and real parts of a clobbered register.
5849 Emit insn to set the imaginary part.
5851 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5853 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5854 in lieu of unwind-dw2-fde.c.
5856 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5858 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5860 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5863 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5864 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5865 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5866 V4SImode temporaries and operations instead.
5868 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5870 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5873 2006-06-06 Mike Stump <mrs@apple.com>
5875 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5876 installing during build.
5878 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5880 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5882 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5883 * config/ia64/ia64.c (params.h): New header.
5884 (ia64_optimization_options): New function to adjust parameters.
5885 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5886 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5887 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5889 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5891 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5893 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5896 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5898 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5899 Victor Kaplansky <victork@il.ibm.com>
5901 PR tree-optimization/26360
5902 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5905 2006-06-04 Roger Sayle <roger@eyesopen.com>
5906 Andrew Pinski <pinskia@physics.uc.edu>
5909 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5910 for LABEL_DECL before calling DECL_WEAK.
5913 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5914 LABEL_DECL and PARM_DECL.
5916 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5920 * c-decl.c (grokdeclarator): Disallow variably modified types at
5921 file scope. Avoid marking shared array type of constant size as
5924 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5927 * c-common.c (fold_offsetof_1): Handle static members.
5929 2006-06-04 Eric Christopher <echristo@apple.com>
5931 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5932 (debug_rli): Output value for remaining_in_alignment.
5933 (update_alignment_for_field): Unconditionalize
5934 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5935 extra alignment code.
5936 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5937 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5938 * tree.h (record_layout_info_s): Remove prev_packed.
5939 * doc/extend.texi (ms_struct): Add documentation of format.
5941 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5943 * tree.h: Declare folding_initializer.
5944 * builtins.c (fold_builtin_constant_p): Give definite answer
5945 if folding inside an initializer.
5946 * fold-const.c: Define folding_initializer.
5947 (START_FOLD_INIT): Save and then set folding_initializer.
5948 (END_FOLD_INIT): Restore folding_initializer.
5950 2006-06-04 Richard Guenther <rguenther@suse.de>
5952 PR tree-optimization/27039
5953 * fold-const.c (fold_comparison): Handle pointer comparison
5954 again for all comparison codes. Compare offsets in signed
5956 (fold_binary): Move code from here.
5958 2006-06-03 Roger Sayle <roger@eyesopen.com>
5961 * config/i386/i386.c (construct_container): Split static issued_error
5962 flag into issued_sse_arg_error, issued_sse_ret_error and
5963 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5964 requires the use of x87 registers and the user explicitly
5965 specified the -mno-80387 command line option.
5967 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5969 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5970 HAVE_DECL_SIGALTSTACK.
5972 (segv_handler): Use MC_FLD.
5973 * configure.ac: Check for a sigaltstack declaration.
5974 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5975 * configure: Regenerate.
5976 * config.in: Regenerate.
5978 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5981 * Makefile.in (stmp-fixinc): Fix typo.
5983 2006-06-02 Roger Sayle <roger@eyesopen.com>
5985 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5986 are type correct. Clean-up.
5987 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5988 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5990 2006-06-01 DJ Delorie <dj@redhat.com>
5992 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5993 shift, as we've disabled the "switch" insn that needs it.
5995 2006-06-01 Per Bothner <bothner@bothner.com>
5997 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5998 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5999 * c-ppoutput.c (cb_define): Don't increment line 0.
6001 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6003 * doc/invoke.texi: Add cpu_type power6.
6004 * config.gcc: Add cpu_type power6.
6005 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6006 to power5+ with Altivec.
6007 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6008 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6010 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6012 * config/avr/avr.h (SET_ASM_OP): Define.
6014 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6016 * config/bfin/bfin.c: Fix comment typos.
6018 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6021 * doc/install.texi: Document --enable-bootstrap and
6022 --disable-bootstrap.
6024 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6026 * doc/install.texi: Document that InfoZIP can replace jar.
6028 2006-05-31 Roger Sayle <roger@eyesopen.com>
6030 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6031 isn't available, directly generate the simpler x87 patterns without
6032 the (use (const_int 0)).
6033 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6034 implementation isn't available.
6035 (*negdf2_1): Likewise.
6036 (*negxf2_1): XF mode negation is always done using the x87.
6037 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6039 2006-05-31 Roger Sayle <roger@eyesopen.com>
6041 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6042 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6044 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6046 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6048 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6049 * config/bfin/bfin.c (basic-block.h): Include.
6050 (struct machine_function): New.
6051 (bfin_init_machine_status): New.
6052 (override_options): Initialize init_machine_status.
6053 (bfin_hardware_loop): New.
6054 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6055 (DEF_VEC_P (loop_info)): New.
6056 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6057 (struct loop_info): New.
6058 (loop_info): New typedef.
6059 (struct loop_work): New.
6060 (loop_work): New typedef.
6061 (DEF_VEC_O (loop_work)): New.
6062 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6063 (bfin_dump_loops): New.
6064 (bfin_bb_in_loop): New.
6065 (bfin_scan_loop): New.
6066 (bfin_optimize_loop): New.
6067 (bfin_reorg_loops): New.
6068 (bfin_reorg): Use bfin_reorg_loops.
6069 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6071 (I_REGNO_P): Simplify.
6072 (DP_REGNO_P, DPREG_P): New macros.
6073 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6074 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6075 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6076 Add LT_REGS, LC_REGS, LB_REGS.
6077 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6079 (REGNO_REG_CLASS): Deal with loop registers.
6080 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6082 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6083 New constants for loop registers.
6084 (UNSPEC_LSETUP_END): New.
6085 (seq_insns): New define_attr. Set it for appropriate insns.
6086 (movsi_insn): Add alternatives for move from/to
6087 loop count registers.
6088 (doloop_end): New define_expand.
6089 (loop_end): New define_insn.
6090 (define_split for bad doloop_end): New.
6091 (lsetup_with_autoinit): New define_insn.
6092 (lsetup_without_autoinit): New define_insn.
6093 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6094 * config/bfin/predicates.md (lc_register_operand): New.
6095 (lt_register_operand): New.
6096 (lb_register_operand): New.
6097 (nondp_register_operand): New.
6098 (nondp_reg_or_memory_operand): New.
6099 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6101 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6103 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6104 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6106 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6108 * Makefile.in (CATALOGS): Add po/ prefix.
6109 * configure: Regenerated.
6111 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6114 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6115 a shift operand before calling shift_op. Avoid redundant call of
6118 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6119 DJ Delorie <dj@redhat.com>
6121 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6122 we're inserting is a singlt-bit constant.
6124 2006-05-30 Roger Sayle <roger@eyesopen.com>
6126 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6127 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6129 2006-05-30 Roger Sayle <roger@eyesopen.com>
6131 PR tree-optimization/23452
6132 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6133 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6134 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6135 complex values and with -ffast-math for FP complex values.
6137 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6139 * c-common.h: Remove the prototype for yyparse.
6140 * rtl.h: Remove the prototype for init_loop.
6142 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6144 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6147 2006-05-30 Roger Sayle <roger@eyesopen.com>
6149 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6151 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6152 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6154 2006-05-30 Dirk Mueller <dmueller@suse.de>
6157 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6158 for CONSTANT_CLASS_P expresisons.
6160 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6163 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6165 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6167 PR tree-optimization/27779
6168 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6169 initial_condition instead of CHREC_LEFT.
6171 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6173 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6174 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6175 Make prototypes ISO C90.
6177 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6178 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6180 * see.c (see_analyze_one_def): Correct check.
6181 (see_get_extension_data): Check if extension is parallel.
6182 (see_get_extension_reg): Likewise.
6184 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6187 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6188 into register for (code == GTU).
6190 2006-05-29 Roger Sayle <roger@eyesopen.com>
6192 PR tree-optimization/24964
6193 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6194 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6195 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6196 abs(x)*abs(x) as x*x for scalar floating point modes.
6198 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6201 * lambda-code.c (perfect_nestify): Don't copy statements
6202 in the inner loop: move them to the inner loop header.
6204 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6207 * c-tree.texi: Document OpenMP directives and clauses.
6209 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6211 * varasm.c (globalize_decl): Fix indentation.
6213 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6216 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6217 pass_fre, pass_store_ccp, pass_copy_prop,
6218 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6219 pass_return_slot, pass_object_size, pass_lim,
6220 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6221 pass_loop_prefetch and pass_stdarg.
6223 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6225 * config/bfin/bfin.opt (mfdpic): New option.
6226 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6227 (EXTRA_MULTILIB_PARTS): Likewise.
6228 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6229 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6231 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6232 (CRT_CALL_STATIC_FUNCTION): New.
6233 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6235 (CRT_CALL_STATIC_FUNCTION): New.
6236 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6238 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6239 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6240 (initialize_trampoline): Changed to handle FD-PIC code generation.
6241 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6242 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6243 (override_options): Disallow -mid-shared-library -mfdpic combination.
6244 Can't do unaligned ops if FD-PIC.
6245 Turn off flag_pic if trying to generate non-id-shared-library
6246 non-fdpic code, since it's not supported.
6247 (bfin_assemble_integer): New function.
6248 (TARGET_ASM_INTEGER): Define.
6249 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6251 * config/bfin/crtn.s: Restore them.
6252 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6254 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6255 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6256 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6257 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6258 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6260 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6261 FDPIC_REGS and FDPIC_FPTR_REGS.
6262 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6263 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6264 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6265 (load_funcdescsi): New pattern.
6266 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6267 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6268 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6270 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6272 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6275 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6277 * tree-flow.h: Remove the prototype for add_type_alias.
6278 * tree-ssa-alias.c (add_type_alias): Remove.
6280 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6282 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6283 config/fr30/fr30.md, config/i386/i386-interix.h,
6284 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6285 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6286 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6287 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6288 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6289 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6290 Follow spelling conventions.
6291 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6292 Follow spelling conventions.
6294 2006-05-27 Richard Guenther <rguenther@suse.de>
6297 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6298 to produce a constant of value 1 of generic type.
6300 2006-05-27 Dirk Mueller <dmueller@suse.de>
6302 * cgraphunit.c (decide_is_function_needed): Fix wrong
6305 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6307 PR rtl-optimization/27661
6308 * reload.c (find_reloads): When reloading a VOIDmode constant
6309 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6310 use Pmode as mode of the reload register.
6312 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6314 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6315 is enabled at -O and above.
6317 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6320 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6323 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6326 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6327 for anonymous variables explicitly declared by front ends.
6329 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6331 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6332 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6333 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6334 ref-all pointers, run a finalization pass for them.
6335 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6336 (finalize_ref_all_pointers): New function.
6337 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6338 regular pointer type to a ref-all pointer type.
6339 (get_tmt_for): Return the special memory tag for ref-all pointers.
6341 2006-05-25 Richard Guenther <rguenther@suse.de>
6344 * fold-const.c (fold_binary): Do not look at the stripped
6345 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6347 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6349 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6350 for LT and GT if the computed range is effectively empty.
6352 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6355 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6356 mips_quad_format formats instead of ieee_single_format,
6357 ieee_double_format and ieee_quad_format formats, respectively.
6359 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6361 PR tree-optimization/27639
6362 PR tree-optimization/26719
6363 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6364 call to scev_probably_wraps_p.
6365 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6366 used_in_pointer_arithmetic_p, convert_step): Removed.
6367 (nowrap_type_p): New function.
6368 (scev_probably_wraps_p): Rewritten.
6369 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6370 chrec_convert if chrec_convert_aggressive might have been used.
6371 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6372 scev_direction): New functions.
6373 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6374 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6375 instead of convert_step.
6376 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6377 (convert_step): Declaration removed.
6378 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6380 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6382 * df-core.c: Added to header comments.
6383 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6384 df_ur_bb_info, df_urec_bb_info): Added comments.
6385 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6386 urec, ri problems): Fixed header comments.
6387 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6388 code from df_rd_transfer_function.
6390 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6392 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6393 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6394 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6396 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6398 * expr.c (undefined_operand_subword_p): New.
6399 (emit_move_multi_word): Do not generate move from undefined bits
6400 of a paradoxical subreg.
6402 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6404 PR rtl-optimization/27736
6405 * combine.c (replaced_rhs_value): New variable.
6406 (combine_instructions): Set it.
6407 (distribute_notes): When distributing a note in replaced_rhs_insn,
6408 check whether the value was used in replaced_rhs_value.
6410 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6413 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6414 add_referenced_var instead of add_referenced_tmp_var.
6415 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6416 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6418 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6419 tree_optimize_tail_calls_1): Use add_referenced_var.
6420 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6421 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6422 Use add_referenced_var.
6423 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6424 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6425 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6426 Use add_referenced_var.
6427 * tree-dfa.c (struct walk_state): Remove.
6428 (find_referenced_vars): Remove walk state and vars_found hash table.
6429 (make_rename_temp): Use add_referenced_var.
6430 (find_vars_r): Pass less parameters to add_referenced_var.
6431 (referenced_var_p): New. Is var in referenced_var hash table.
6432 (referenced_var_insert): Assert var isn't already in hash table.
6433 (add_referenced_var): Don't need walk_state parameter. Add var if it
6434 isn't already in the hash table.
6435 (add_referenced_tmp_var): Remove.
6436 (find_new_referenced_vars_1): Use add_referenced_var.
6437 * tree-ssa-pre.c (create_expression_by_pieces,
6438 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6439 Use add_referenced_var.
6440 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6441 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6442 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6444 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6445 vect_create_data_ref_ptr, vect_create_destination_var,
6446 vect_init_vector, vect_build_loop_niters,
6447 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6448 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6449 Use add_referenced_var.
6450 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6451 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6452 (add_referenced_var): Add prototype.
6453 * tree-ssa-structalias.c (get_constraint_for,
6454 intra_create_variable_infos): Use add_referenced_var.
6456 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6458 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6459 big-endian paradoxical subregs.
6460 * var-tracking.c (struct micro_operation_def): Document that,
6461 for modify micro operations, insn is the subsequent instruction.
6462 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6463 (var_reg_set, var_mem_set): ... new functions.
6464 (add_stores): Record subsequent insn.
6465 (compute_bb_dataflow): Use new functions for MO_USE.
6466 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6467 notes after the insn, and modify notes before the insn known
6468 to be the subsequent one.
6469 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6471 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6474 * config/i386/i386.c (ix86_expand_builtin): Use
6475 gen_sse3_monitor64 for TARGET_64BIT.
6477 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6479 PR rtl-optimization/26375
6480 PR rtl-optimization/26855
6481 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6483 (df_ru_bb_local_compute): Reversed statements and removed bogus
6484 comment explaining why they should be in wrong order.
6485 (df_ru_dump, df_rd_dump): Enhanced debug info.
6486 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6488 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6489 reaching uses and fixed space problem.
6491 2006-05-23 Jan Hubicka <jh@suse.cz>
6493 * cgraphunit.c (decide_is_function_needed): Also nested functions
6494 and functions declared inline can be optimized out at -O0.
6496 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6498 * doc/install.texi (Configuration): Remove reference to CrossGCC
6502 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6505 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6506 ix86_compare_emitted is non-NULL.
6508 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6511 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6514 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6516 PR rtl-optimization/25514
6517 * combine.c (replaced_rhs_insn): New variable.
6518 (combine_instructions): Set replaced_rhs_insn when trying to replace
6519 a SET_SRC with a REG_EQUAL note.
6520 (distribute_notes): Use replaced_rhs_insn when determining the live
6521 range of a REG_DEAD register.
6523 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6524 Anatoly Sokolov <aesok@post.ru>
6526 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6527 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6528 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6529 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6530 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6531 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6532 at90usb647, at90usb1286 and at90usb1287 devices.
6533 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6534 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6536 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6538 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6540 2006-05-22 Richard Guenther <rguenther@suse.de>
6543 2006-01-31 Richard Guenther <rguenther@suse.de>
6544 Paolo Bonzini <bonzini@gnu.org>
6546 * doc/install.texi (--disable-libgcc-math): Document.
6548 2006-05-22 Richard Guenther <rguenther@suse.de>
6551 2006-01-31 Richard Guenther <rguenther@suse.de>
6553 * doc/invoke.texi (-msselibm): Document.
6554 * target.h (expand_library_builtin): New target hook.
6555 * builtins.c (expand_builtin): Use expand_library_builtin.
6556 (default_expand_library_builtin): New function.
6557 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6558 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6559 (link_gcc_math_spec): Declare.
6560 (static_specs): Add link_gcc_math_spec.
6561 * expr.h (default_expand_library_builtin): Declare.
6562 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6563 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6564 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6565 * config/i386/i386.opt (msselibm): New target option.
6566 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6567 (ix86_init_sse_abi_builtins): New function.
6568 (ix86_expand_library_builtin): Likewise.
6569 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6570 (override_options): Handle error conditions wrt -msselibm.
6571 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6572 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6573 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6576 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6579 * c-common.c (self_promoting_args_p): Skip erroneous args.
6582 * c-decl.c (finish_struct): Skip erroneous fields.
6584 2006-05-22 Nick Clifton <nickc@redhat.com>
6586 * config/cris/cris.opt (march): Remove VarExists attribute.
6587 (max-stackframe=): Likewise.
6589 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6591 * doc/rtl.texi: Fix a typo.
6592 * see.c: Fix comment typos.
6594 * tree-ssa-structalias.h (alias_info): Remove num_references.
6596 2006-05-21 Mike Stump <mrs@apple.com>
6598 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6600 (darwin_pragma_options): Use BAD instead.
6601 (darwin_pragma_unused): Likewise.
6602 (darwin_pragma_ms_struct): Likewise.
6604 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6606 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6608 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6610 PR rtl-optimization/27671
6611 * simplify-rtx.c (simplify_relational_operation_1): Fix
6612 simplifications of (eq/ne (xor x y) y) and
6613 (eq/ne (xor x y) x).
6615 PR tree-optimization/26622.
6616 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6619 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6621 * tree-cfg.c: Prune whitespace.
6622 (debug_tree_cfg): Point to correct header containing the
6625 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6628 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6630 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6633 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6634 or sorry count is non zero.
6636 2006-05-20 Andreas Schwab <schwab@suse.de>
6638 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6640 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6641 Kenneth Zadeck <zadeck@naturalbridge.com>
6643 PR rtl-optimization/26855
6645 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6647 (df_scan_alloc): Added code to properly handle multiword hard
6648 registers and add all_blocks parameter.
6649 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6650 code to properly handle multiword hard registers.
6651 (df_rescan_blocks): Added code to remove deleted blocks from
6653 (df_ref_create_structure, df_ref_record): Added code to properly
6655 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6656 and set DF_REF_PARTIAL.
6657 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6658 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6659 (df_scan_add_problem): Added flags parameter.
6660 (df_ref_create_structure): Changed switching structure.
6661 (df_bb_refs_record): Fixed case where duplicate artificial refs
6662 were created. Changed location of flags.
6663 (df_record_entry_block_defs): Added code to make stack pointer
6664 live in entry block. Refined cases where frame pointer is needed.
6665 Changed location of flags.
6666 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6667 (df_set_state): Removed function.
6668 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6669 df_insn_create_insn_record, df_insn_refs_delete,
6670 df_ref_create_structure): Formatting changes.
6671 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6672 df_delete_basic_block): New function.
6673 (df_init): Changed location of flags.
6674 (df_add_problem): Added flags parameter and the way flags are
6676 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6677 debug_df_chain): Improved debugging output.
6678 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6679 (df_refs_chain_dump): Removed df parameter.
6680 (df_iterative_dataflow): Added consistency check.
6681 (df_prune_to_subcfg): Made public.
6682 (df_analyze_problem): Added blocks_to_init parameter and made
6684 (df_ref_record, df_bb_refs_record, df_mark_reg,
6685 df_record_exit_block_uses): Whitespace changes.
6686 (df_dump): Whitespace changes.
6687 * df.h: Some reordering to remove forward references.
6688 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6689 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6690 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6691 (dataflow.flags): New field.
6692 (df.flag): Deleted field.
6693 (df_alloc_function): Added additional bitmap parameter.
6694 (df_dependent_problem_function): New type.
6695 (df_problem.changeable_flags): New field.
6696 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6697 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6698 (df_mw_hardreg): New struct.
6699 (DF_INSN_UID_MWS): New macro.
6700 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6702 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6703 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6704 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6705 (df_set_state): Removed function.
6706 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6707 * df-problems.c (df_chain_dump): Removed df parameter.
6708 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6709 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6711 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6712 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6713 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6714 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6715 DF_REF_MUST_CLOBBER cases.
6716 (df_ru_bb_local_compute_process_def,
6717 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6718 df_lr_bb_local_compute, df_ur_bb_local_compute,
6719 df_chain_create_bb): Made subreg aware.
6720 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6721 df_lr_bb_local_compute, df_lr_bb_local_compute,
6722 df_chain_create_bb): Cleanup to use proper macros.
6723 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6724 code to fixup bitvectors.
6725 (df_ri_alloc): Cleared lifetime.
6726 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6727 df_create_unused_note): New function.
6728 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6729 REG_DEAD and REG_UNUSED notes as well as register information.
6730 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6731 df_chains_dump): Fixed crash if problem was never run.
6732 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6733 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6734 df_ri_add_problem): Processes flags in uniform manner.
6735 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6736 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6737 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6738 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6739 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6740 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6741 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6742 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6743 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6744 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6745 * see.c (see_initialize_data): Ditto.
6746 * final.c (rest_of_clean_state) Added regstack_completed.
6747 * rtl.h (regstack_completed): Ditto.
6748 * reg-stack.c (regstack_completed): Ditto.
6750 2006-05-19 Mike Stump <mrs@apple.com>
6752 * c-tree.h (default_conversion): Remove.
6753 * c-common.h (default_conversion): Add.
6755 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6757 * tree-vrp.c (valid_value_p): New function.
6758 (adjust_range_with_scev): Fail if the value of bound is not
6761 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6763 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6764 (mips_fallback_frame_state): Use syscall numbers to determine
6765 the appropriate li instruction for the current ABI. Only use
6766 __NR_sigreturn for o32.
6768 2006-05-19 Nicolas Setton <setton@adacore.com>
6770 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6771 * langhooks.c (lhd_dwarf_name): New function.
6772 * langhooks-def.h (lhd_dwarf_name): Declare.
6773 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6774 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6775 * ada/misc.c (gnat_dwarf_name): New function.
6776 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6778 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6780 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6782 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6783 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6784 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6785 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6786 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6787 determine the size of Wtype, etc.
6788 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6789 (swfloatfuncs): New variable.
6790 (dwfloatfuncs): Likewise.
6791 (lib2funcs): Remove floating-point conversion functions from
6792 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6793 the set of conversion routines needed. Allow entries to specify
6794 an object name, filename and word size. Update users accordingly.
6795 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6796 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6800 2006-02-08 Roger Sayle <roger@eyesopen.com>
6803 * config/fixtfdi.c: New libgcc source file.
6804 * config/fixunstfdi.c: New source file.
6805 * config/floatditf.c: New source file.
6806 * config/floatunditf.c: New souce file.
6807 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6808 files above instead of config/mips/_tilib.c.
6809 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6811 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6813 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6814 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6816 2006-05-18 Mike Stump <mrs@apple.com>
6818 Fix up vla, vm and [*] sematics.
6824 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6825 (c_vla_unspec_p): Add.
6826 (c_vla_type_p): Add.
6827 * c-decl.c (struct c_scope): Add had_vla_unspec.
6828 (build_array_declarator): Add support for [*].
6829 (grokdeclarator): Likewise.
6830 (grokparms): Likewise.
6831 (get_parm_info): Likewise.
6832 * c-objc-common.c (c_vla_unspec_p): Likewise.
6833 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6834 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6835 typeof when argument is a variably modified type not inside sizeof or alignof.
6836 (c_parser_direct_declarator_inner): Propagate errors.
6837 (c_parser_sizeof_expression): Add support for [*].
6838 (c_parser_parms_declarator): Initialize had_vla_unspec.
6839 (c_parser_parms_list_declarator): Likewise.
6840 * c-typeck.c (c_vla_type_p): Add.
6841 (composite_type): Add support for vla compositing.
6842 (comptypes_internal): Add support for vla compatibility.
6843 (c_expr_sizeof_expr): Evaluate vla arguments.
6844 * tree.c (variably_modified_type_p): Update comment for [*].
6846 2006-05-18 Michael Matz <matz@suse.de>
6849 * config.host: Make assignments to host_xmake_file cumulative.
6850 * config.host (*-darwin*): Test $host, not $target.
6852 2006-05-12 Stuart Hastings <stuart@apple.com>
6854 * config/i386/i386.opt (-mstackrealign): New flag.
6855 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6856 (ix86_handle_cconv_attribute): Emit error when
6857 force_align_arg_pointer attribute collides with too many regparms.
6858 (ix86_function_regparm): Limit regparms when used with
6859 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6860 Support stack-realigning prologue in non-main functions. Emit
6861 warning for nested functions under -mstackrealign, emit error for
6862 nested functions with force_align_arg_pointer attribute.
6863 * doc/extend.texi (force_align_arg_pointer): Document it.
6864 * doc/invoke.texi (-mstackrealign): Document it.
6866 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6868 PR rtl-optimization/27477
6869 * combine.c (try_combine): Don't split a parallel consisting
6870 of two sets into two individual sets if both sets reference
6873 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6875 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6876 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6878 * doc/options.texi (VarExists): Updated.
6880 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6882 * unwind-dw2.c: Add declarations for uw_update_context and
6884 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6885 detected, advance frame state and context once to skip over stub.
6887 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6891 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6892 Call rewrite_into_loop_closed_ssa only when something changed.
6893 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6894 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6895 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6896 Test for perfect_nest_p here. Fix formating.
6897 (replace_uses_equiv_to_x_with_y): Fix formating.
6898 (stmt_uses_op): Removed.
6899 (can_convert_to_perfect_nest): Removed loopivs parameter.
6900 Complete the test by checking the scalar dependences.
6901 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6904 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6907 From Dan Kegel <dank@kegel.com>:
6908 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6910 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6912 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6913 if the element type is variably modified without recursing.
6915 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6918 * tree-loop-linear.c (try_interchange_loops): Test for
6919 no data dependences.
6921 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6923 PR tree-optimization/27548
6924 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6925 range of ssa names that appear on abnormal edges.
6926 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6927 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6929 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6932 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6934 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6937 * tree.h (OMP_PARALLEL_COMBINED): Define.
6938 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6939 (new_omp_context): Add is_combined_parallel argument.
6940 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6941 new_omp_context caller.
6942 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6943 Adjust gimplify_scan_omp_clauses callers.
6944 (omp_is_private): Issue errors if iteration variable is firstprivate
6945 or reduction in the current context.
6946 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6947 on combined parallel workshare constructs.
6949 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6951 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6952 (gcc-options.o): New rule.
6954 * optc-gen.awk: Protect variables for gcc-options.o with
6955 #ifdef GCC_DRIVER/#endif.
6957 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6959 Fix PR tree-optimization/27373
6960 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6961 (forward_propagate_addr_expr): Update call.
6963 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6965 * doc/options.texi: Move the Negative option.
6967 2006-05-16 Richard Guenther <rguenther@suse.de>
6969 PR tree-optimization/22303
6970 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6972 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6973 ccp_fold did not simplify the statement.
6975 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6978 * Makefile.in (GCC_OBJS): New.
6979 (OBJS-common): Add opts-common.o.
6980 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6981 (cpp$(exeext)): Likewise.
6982 (gcc.o): Also depend on opts.h.
6983 (opts-common.o): New.
6985 * common.opt (gcoff): Add Negative(gdwarf-2).
6986 (gdwarf-2): Add Negative(gstabs).
6987 (gstabs): Add Negative(gstabs+).
6988 (gstabs+): Add Negative(gvms).
6989 (gvms): Add Negative(gxcoff).
6990 (gxcoff): Add Negative(gxcoff+).
6991 (gxcoff+): Add Negative(gcoff).
6992 * config/i386/i386.opt (m32): Add Negative(m64).
6993 (m64): Add Negative(m32).
6995 * doc/options.texi: Document the Negative option.
6997 * gcc.c: Include "opts.h".
6998 (main): Call prune_options after expandargv.
7000 * optc-gen.awk: Generate common declarations for all flag
7001 variables in options.c. Output the neg_index field.
7003 * opts.c (find_opt): Moved to ...
7004 * opts-common.c: Here. New file.
7006 * opts.h (cl_option): Add a neg_index field.
7008 (prune_options): Likewise.
7010 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7013 * omp-low.c (expand_omp_parallel): Don't assert
7014 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7015 instead search for it.
7018 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7021 2006-05-16 Andreas Schwab <schwab@suse.de>
7023 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7026 2006-05-15 Roger Sayle <roger@eyesopen.com>
7029 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7030 integer constants other than zero are only legitimate on TARGET_64BIT.
7031 <CONST_VECTOR> Only zero vectors are legitimate.
7032 (ix86_cannot_force_const_mem): Integral and vector constants can
7033 always be put in the constant pool.
7035 2006-05-16 DJ Delorie <dj@redhat.com>
7037 * crtstuff.c (__dso_handle): Set section from
7038 TARGET_LBIGCC_SDATA_SECTION if defined.
7039 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7040 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7042 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7045 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7048 2006-05-16 Ben Elliston <bje@au.ibm.com>
7050 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7052 2006-05-15 Per Bothner <per@bothner.com>
7054 * tree.c: (last_annotated_node): Use source_locus typedef.
7055 This permits bootstrapping with --enable-mapped-location.
7057 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7059 PR tree-optimization/26830
7060 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7061 (info_for_ssa_name, current_info_for_ssa_name_age,
7062 blocks_to_update): New variables.
7063 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7064 (clear_ssa_name_info, initialize_flags_in_bb,
7065 mark_block_for_update): New functions.
7066 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7067 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7068 prepare_def_site_for): Use mark_block_for_update.
7069 (mark_def_interesting): Assert that the processed block is marked in
7070 blocks_to_update. Do not take blocks argument.
7071 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7073 (rewrite_update_init_block, rewrite_update_stmt): Only process
7074 blocks with statements to rewrite.
7075 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7076 (update_ssa): Initialize and free blocks_to_update. Do not
7077 clear flags on statements. Do not use blocks bitmap.
7078 * tree.h (SSA_NAME_AUX): Removed.
7079 (struct tree_ssa_name): Removed aux field.
7080 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7082 2006-05-15 Richard Guenther <rguenther@suse.de>
7084 PR tree-optimization/27603
7085 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7086 Do computations in original type.
7088 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7090 * see.c: Code style changes such as redundant paranthesis,
7091 redundant intialization of local variables etc.
7092 (see_main): Declared now as static.
7093 * doc/invoke.texi: Update that -fsee is not enabled by
7096 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7098 * omp-low.c (check_omp_nesting_restrictions): New function.
7099 (scan_omp_1): Call it.
7102 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7103 construct, return *VAR.
7105 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7107 PR rtl-optimization/27406
7108 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7111 2006-05-14 Roger Sayle <roger@eyesopen.com>
7113 PR rtl-optimization/27538
7114 * combine.c (expand_compound_operation): Call gen_lowpart
7115 before calling simplify_shift_const.
7117 2006-05-14 Roger Sayle <roger@eyesopen.com>
7119 PR rtl-optimization/22563
7120 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7121 a fixed width bitfield, always force the intermediates into psuedos.
7123 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7126 * mkconfig.sh: Use operator = instead of == for test.
7128 2006-05-13 Nick Clifton <nickc@redhat.com>
7130 * dwarf2out.c (dbx_reg_number): Check return value from
7131 LEAF_REG_REMAP and only use it if it is valid.
7132 (multiple_reg_loc_descriptor): Likewise.
7134 2006-05-13 Richard Guenther <rguenther@suse.de>
7136 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7139 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7141 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7142 information attached to non-INSNs such as NOTEs.
7143 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7145 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7147 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7149 * config/s390/s390.md: Adjust comment describing On constraint.
7151 2006-05-11 Jan Hubicka <jh@suse.cz>
7153 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7154 to be output at -O0.
7156 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7159 * fold-const.c (size_binop): Move sanity check for arguments to
7160 the beginning of the function.
7163 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7166 2006-05-11 Richard Guenther <rguenther@suse.de>
7169 * fold-const.c (fold_unary): Handle intermediate conversion
7170 to a pointer type like intermediate conversion to an integer
7171 type in folding of (T1)(T2)var to var.
7172 Match the code to the comment in the final conversion for
7173 (T1)(T2)var to (T1)var regarding to type precision. Rather
7174 than disallow T1 being of pointer type, assert that both T1
7175 and var are of pointer type or not. Make sure not to fall
7176 over the frontends lazyness wrt array to pointer decay though.
7178 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7180 * arm.c (arm_struct_value_rtx): Delete.
7181 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7182 (arm_init_cumulative_args): Always initialize nregs to zero.
7184 2006-05-10 Richard Guenther <rguenther@suse.de>
7186 PR tree-optimization/27532
7187 * tree-object-size.c (plus_expr_object_size): Fix typo.
7189 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7192 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7193 ashrdi_const, ashrdi3): Use a scratch register.
7195 2006-05-10 Richard Guenther <rguenther@suse.de>
7197 PR tree-optimization/27302
7198 * fold-const.c (operand_equal_p): For two comparisons,
7199 try comparison of one comparison code swapped if that yields
7202 2006-05-10 Ben Elliston <bje@au.ibm.com>
7204 * tree-pretty-print.c (pretty_print_string): No need to handle
7205 '\0' as a special character.
7207 * tree.h: Include "hashtab.h".
7208 (iterative_hash_expr): Use hashval_t in its prototype.
7209 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7211 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7214 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7215 (hppa*64*-*-hpux11*): Ditto.
7216 (hppa[12]*-*-hpux11*): Ditto.
7218 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7221 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7223 2006-05-09 Michael Matz <matz@suse.de>
7225 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7226 host_extra_gcc_objs and host_xmake_file.
7227 (<*-*-linux*>): Don't overwrite host_xmake_file.
7228 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7229 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7230 (host_detect_local_cpu): Declare.
7231 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7232 * config/i386/i386.c (override_options): Handle -mtune=native
7234 * config/i386/x-i386: New file.
7235 * config/i386/driver-i386.c: New file.
7236 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7239 2006-05-09 Dirk Mueller <dmueller@suse.de>
7240 Richard Guenther <rguenther@suse.de>
7243 * fold-const.c (fold_read_from_constant_string): Relax check
7244 for matching types to matching modes.
7246 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7248 PR rtl-optimization/27335
7249 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7252 2006-05-08 Chao-ying Fu <fu@mips.com>
7253 Richard Sandiford <richard@codesourcery.com>
7255 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7256 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7257 * config/mips/mips.md (UNSPEC_SCC): New constant.
7258 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7259 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7260 (mips_emit_compare): Use it.
7261 (mips_expand_vcondv2sf): New function.
7263 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7265 Fix PR tree-optimization/27093
7266 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7267 renaming when they become not-used_alone.
7269 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7271 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7272 relocation and relocation stubs.
7274 2006-05-08 Eric Christopher <echristo@apple.com>
7276 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7279 2006-05-08 Jan Hubicka <jh@suse.cz>
7282 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7283 unused static functions are needed.
7285 2006-05-08 Roger Sayle <roger@eyesopen.com>
7288 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7289 of a reg_equiv_constant if the result is a legitimate constant.
7291 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7294 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7295 standard 80387 constants, raise the cost to prevent
7296 compress_float_constant() to generate load from memory.
7298 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7300 * config/arm/constraints.md (c): Fix a typo.
7302 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7305 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7308 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7310 (_mm_mwait): Likewise.
7312 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7314 (sse3_monitor): Make it 32bit only.
7315 (sse3_monitor64): New. 64bit monitor.
7317 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7320 * config/i386/i386.c (classify_argument): Skip fields with invalid
7323 2006-05-07 Richard Guenther <rguenther@suse.de>
7325 PR tree-optimization/27409
7326 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7327 Do not try to find zero-sized subvars.
7329 2006-05-07 Richard Guenther <rguenther@suse.de>
7331 PR tree-optimization/27136
7332 * tree-ssa-loop-niter.c (get_val_for): Correct function
7333 comment, assert requirements.
7334 (loop_niter_by_eval): Stop processing if the iterated
7335 value did not simplify.
7337 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7339 * opts.c (flag_see): remove its setting at -O3.
7341 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7343 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7344 * arm/constraints.md: New file.
7345 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7346 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7347 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7348 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7349 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7350 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7351 * arm.md: Include constraints.md.
7352 (thumb_movsi_insn): Use satisfies_constraint_J.
7353 (movhi, movqi): Use satisfies_constraint_I.
7355 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7357 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7358 for atmeg a645 device.
7360 2006-05-06 Richard Guenther <rguenther@suse.de>
7362 PR tree-optimization/27151
7363 * tree-vect-transform.c (vectorizable_condition): Punt on
7364 values that have a different type than the condition.
7366 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7369 * c-parser.c (c_parser_cast_expression): Only insert casts into
7370 hash table if pointer.
7371 * function.c (used_types_insert_helper): Rename from
7373 (used_types_insert): Call used_types_insert_helper.
7374 * function.h (used_types_insert): Accept only one argument.
7376 2006-05-05 David Edelsohn <edesohn@gnu.org>
7378 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7379 scratch with output modifier.
7381 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7384 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7385 with output modifier.
7387 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7390 * config/mips/mips.c (mips_symbolic_address_p): Return true
7391 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7392 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7394 2006-05-04 Richard Guenther <rguenther@suse.de>
7396 PR tree-optimization/14287
7397 PR tree-optimization/14844
7398 PR tree-optimization/19792
7399 PR tree-optimization/21608
7400 PR tree-optimization/27090
7401 * tree-ssa-pre.c (try_combine_conversion): New function.
7402 (compute_avail): After constructing the value-handle
7403 expression, use try_combine_conversion to combine NOP_EXPRs
7404 with previous value-handle expressions and use the result if it
7407 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7409 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7411 2006-05-04 Jan Hubicka <jh@suse.cz>
7414 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7416 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7418 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7419 that this only matches CONST_INTs. All users changed to VOIDmode
7422 * config/bfin/bfin.c: Include "optabs.h".
7423 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7425 (enum bfin_builtins): Add a number of fractional and vector builtins.
7426 (bfin_init_builtins): Likewise.
7427 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7428 (safe_vector_operand, bfin_expand_binop_builtin,
7429 bfin_expand_unop_builtin): New functions.
7430 (bfin_expand_builtin): Handle the new builtins.
7431 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7434 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7437 * Makefile.in (OBJS-common): Add see.o.
7438 (see.o): Add dependencies.
7439 * common.opt (fsee): New flag for the see optimization was added.
7440 * opts.c (flag_see): Initialized.
7441 * passes.c (init_optimization_passes, pass_see): New pass.
7442 * rtl.h (see_main): Declaration as extern.
7443 * timevar.def (TV_SEE): New.
7444 * tree-pass.h (pass_see): Declaration as extern.
7445 * invoke.texi (-fsee): Document.
7446 * recog.c (validate_simplify_insn): New function.
7447 * recog.h (validate_simplify_insn): Declaration as extern.
7448 * df-problems.c (df_chain_dump): Check for NULL.
7450 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7451 Daniel Berlin <dberlin@dberlin.org>
7453 * cfgrtl.c (insert_insn_bb_end_new): New function.
7454 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7456 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7458 * df.h (struct web_entry): Moved from web.c.
7459 (union_defs): Declaration as extern.
7460 (unionfind_root): Likewise.
7461 (unionfind_union): Likewise.
7462 * web.c (struct web_entry): Moved to df.h.
7463 (unionfind_root): Remove static declaration.
7464 (unionfind_union): Likewise.
7465 (union_defs): Likewise and generalize to use callback function.
7466 (web_main): Update arguments for union_defs function call.
7468 2006-05-04 Richard Guenther <rguenther@suse.de>
7470 PR tree-optimization/26447
7471 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7472 produce SSA_NAME copies before the store stmt to avoid
7473 breaking exception handling.
7475 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7478 * gimplify.c (omp_is_private): If var is shared in some outer context,
7479 return false instead of true. Stop searching on parallel context
7482 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7485 * coverage.c: Use get_gcov_unsigned_t() instead of
7486 unsigned_type_node all over.
7488 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7490 PR tree-optimization/27381
7491 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7492 maintain the same immediate_use links.
7493 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7494 node rather than segfaulting.
7496 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7499 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7500 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7501 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7503 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7505 Fix PR tree-optimization/26626
7506 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7508 * tree-ssa-operands.c (access_can_touch_variable): Allow
7509 typecasting through union pointers.
7511 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7514 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7515 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7516 to find if var will be a global variable even in the nested context.
7517 (omp_copy_decl): Only check for global variable at the end, it might
7518 be overridden in outer contexts.
7519 (scan_sharing_clauses): For global variables don't create a field.
7520 (lower_rec_input_clauses): Do nothing for global shared variables.
7521 Emit a barrier at the end of ILIST if there were any decls in both
7522 firstprivate and lastprivate clauses.
7523 (lower_send_clauses): Do nothing for global variables except for
7526 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7528 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7529 of the correct signedness is returned.
7531 2006-05-02 Jeff Law <law@redhat.com>
7533 PR tree-optimization/27364
7534 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7535 multiply expressions.
7537 2006-05-02 Tom Tromey <tromey@redhat.com>
7539 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7541 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7544 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7545 -mthumb -fPIC are used.
7547 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7548 Joshua Kinard <kumba@gentoo.org>
7551 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7552 with 64-bit pointers.
7554 2006-05-02 Paul Brook <paul@codesourcery.com>
7556 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7558 (create_fix_barrier): Check that a suitable barrier location is
7560 (arm_reorg): Include ftmp->address in allowable range of addresses.
7562 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7565 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7568 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7571 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7572 around RESULT_DECL for result passed by reference.
7573 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7574 * omp-low.c (use_pointer_for_field): Don't look at
7575 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7576 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7577 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7578 time or var for passing by reference for
7579 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7580 TREE_ADDRESSABLE variables when passing by reference.
7582 * omp-low.c (dump_omp_region): Fix output formatting.
7585 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7586 (expand_omp_parallel): Likewise.
7587 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7590 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7591 on statement list containing also constructors and destructors.
7592 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7595 * except.c (duplicate_eh_regions): Fix clearing of
7596 cfun->eh->region_array entries.
7598 2006-05-01 DJ Delorie <dj@redhat.com>
7600 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7602 (gcc_cv_objdump): Likewise.
7603 * configure: Regenerated.
7605 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7608 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7609 templates for case 3 and 4.
7611 2006-05-01 DJ Delorie <dj@redhat.com>
7613 * vec.c: Include bconfig.h when appropriate.
7614 * Makefile.in (build/vec.o): Adjust dependencies.
7615 * mkconfig.sh: Make sure config.h isn't used for build machine
7618 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7620 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7622 (mark_phi_for_rewrite): New function.
7623 (insert_phi_nodes_for, mark_use_interesting): Call
7624 mark_phi_for_rewrite.
7625 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7626 (update_ssa): Initialize and free phis_to_rewrite.
7628 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7630 PR rtl-optimization/27291
7631 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7632 folded to a constant.
7634 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7636 PR tree-optimization/27283
7637 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7638 not whole # of iteration descriptions.
7639 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7640 uses abnormal ssa name.
7641 (niter_for_single_dom_exit): Ditto.
7642 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7643 return just the number of iterations.
7645 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7647 PR tree-optimization/27144
7648 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7649 (record_estimate): Only record constant upper bound.
7650 (infer_loop_bounds_from_undefined): Call
7651 compute_estimated_nb_iterations just once.
7652 (proved_non_wrapping_p): Renamed to ...
7653 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7654 (convert_step_widening, scev_probably_wraps_p): Call
7655 n_of_executions_at_most instead of proved_non_wrapping_p.
7656 (substitute_in_loop_info): Do not replace values in bounds.
7657 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7660 2006-05-01 Richard Henderson <rth@redhat.com>
7663 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7664 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7667 2006-05-01 Roger Sayle <roger@eyesopen.com>
7669 * c-typeck.c (parser_build_binary_op): Don't call the function
7670 unsigned_conversion_warning to spot operand/result type overflow.
7671 (build_binary_op): Instead, call convert_and_check instead of
7672 convert to report the problem when the operands are promoted.
7673 * c-common.c (unsigned_conversion_warning): Make static.
7674 * c-common.h (unsigned_conversion_warning): Delete prototype.
7676 2006-05-01 Richard Guenther <rguenther@suse.de>
7678 PR tree-optimization/26726
7679 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7681 (find_interesting_uses_address): ... we work around here
7682 by folding INDIRECT_REFs in the substituted base.
7684 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7686 * omp-low.c (dump_omp_region): Add newlines.
7688 2006-04-30 Roger Sayle <roger@eyesopen.com>
7690 * common.opt (Woverflow): New command line option.
7691 * c-common.c (constant_expression_warning): Check warn_overflow.
7692 (overflow_waring): Pass OPT_Woverflow to warning.
7693 (unsigned_conversion_warning): Likewise.
7694 (convert_and_check): Likewise.
7695 * doc/invoke.texi: Document new command line option.
7697 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7699 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7700 TARGET_NO_FP_IN_TOC for section anchors.
7701 (optimization_options): Enable section anchors for all
7702 non-"Objective" languages.
7704 2006-04-28 Eric Christopher <echristo@apple.com>
7706 * config/darwin-c.c (darwin_ms_struct): Move this
7707 (darwin_set_default_type_attributes): and this...
7708 * config/darwin.c: ... here.
7709 * config/darwin.h (darwin_ms_struct): Declare.
7711 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7713 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7715 2006-04-28 Roger Sayle <roger@eyesopen.com>
7718 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7719 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7720 an unsigned HOST_WIDE_INT.
7721 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7723 (really_start_incremental_init): No need to call convert because
7724 bitsize_zero_node is already of type bitsizetype.
7725 (push_init_level): Extract the value of constructor_index as an
7726 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7727 (process_init_element): Likewise.
7729 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7731 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7732 value before passing to make_relative_prefix.
7734 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7737 * builtins.c (expand_builtin_memset): Expand val in original mode.
7739 2006-04-27 Eric Christopher <echristo@apple.com>
7741 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7742 with #ifndef/#endif.
7743 * config/darwin-c.c (darwin_ms_struct): New.
7744 (darwin_pragma_ms_struct): Ditto.
7745 (darwin_set_default_type_attributes): Ditto.
7746 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7747 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7748 Register ms_struct pragma.
7749 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7750 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7751 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7752 darwin_set_default_type_attributes if TARGET_MACHO.
7754 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7756 PR tree-optimization/26854
7757 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7758 * doc/tree-ssa.texi: Update immuse iterator documentation.
7759 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7760 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7761 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7762 first_safe_imm_use, next_safe_imm_use): Remove.
7763 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7764 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7765 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7766 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7767 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7768 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7769 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7770 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7771 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7772 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7773 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7774 (perfect_nestify): Use new iterator.
7775 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7777 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7778 (next_imm_name): New field in struct immediate_use_iterator_d.
7779 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7780 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7781 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7782 * tree-cfg.c (replace_uses_by): Use new iterator.
7783 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7784 * tree-ssa-operands.c (correct_use_link): Remove.
7785 (finalize_ssa_use_ops): No longer call correct_use_link.
7787 2006-04-27 Stuart Hastings <stuart@apple.com>
7789 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7790 * config/t-darwin (crt3.o): Use it.
7791 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7792 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7793 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7794 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7795 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7798 2006-04-27 Roger Sayle <roger@eyesopen.com>
7800 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7801 size, force the intermediate into a new pseudo rather instead of
7802 performing both a bitwise AND and a bitwise IOR in memory.
7804 2006-04-27 Richard Guenther <rguenther@suse.de>
7806 PR rtl-optimization/26685
7807 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7808 this one "max-flow-memory-locations".
7810 2006-04-27 Richard Guenther <rguenther@suse.de>
7812 PR tree-optimization/25148
7813 * tree-vrp.c (compare_values): Remove code dealing with
7814 comparisons against type min/max value. Honour overflow
7815 and negative constants in code dealing with comparisons
7816 of plus and minus expressions.
7817 (value_inside_range): Use fold_binary with LE_EXPR and
7818 GE_EXPR rather than compare_values.
7820 2006-04-27 Dirk Mueller <dmueller@suse.de>
7822 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7825 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7827 * basic-block.h (safe_insert_insn_on_edge): Removed.
7828 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7830 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7831 Paolo Bonzini <bonzini@gnu.org>
7834 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7835 (simplify_and_const_int): Same.
7837 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7839 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7841 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7844 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7845 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7846 cgraph_global_info_ready.
7849 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7852 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7853 either decl or init is error_mark_node.
7856 * tree-flow.h (struct omp_region): Add sched_kind.
7857 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7858 instead of extracting omp for data.
7859 (expand_omp_for): Save extracted sched_kind.
7861 2006-04-25 Roger Sayle <roger@eyesopen.com>
7863 * expmed.c (store_bit_field): Also check whether the bitsize is
7864 valid for the machine's "insv" instruction before moving the
7865 target into a pseudo for use with the insv.
7866 * config/i386/predicates.md (const8_operand): New predicate.
7867 * config/i386/i386.md (extv, extzv, insv): Use the new
7868 const8_operand predicate where appropriate.
7870 2006-04-25 DJ Delorie <dj@redhat.com>
7872 * doc/install.texi (Specific): Clarify that this is not a list of
7873 supported hosts or targets.
7875 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7877 PR rtl-optimization/26725
7878 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7879 block's BB_DIRTY flag.
7881 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7883 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7886 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7887 to print an integer.
7889 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7891 * varasm.c (align_variable): New function.
7892 (get_block_for_decl): Apply align_variable to DECL before
7893 calculating section information.
7894 (assemble_variable): Split out alignment computation.
7896 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7898 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7901 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7903 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7904 MODE_PARTIAL_INT mode.
7905 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7906 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7908 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7909 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7911 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7913 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7915 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7916 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7917 MACFLAG_IH): Likewise.
7918 (movstricthi_1): Renamed from "*movstricthi".
7919 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7920 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7921 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7922 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7923 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7924 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7925 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7926 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7927 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7928 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7929 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7930 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7931 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7932 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7933 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7935 * doc/rtl.texi (ss_ashift): Improve wording.
7937 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7939 * dwarf2out.c (verify_marks_clear): New.
7940 (prune_unused_types): Call verify_marks_clear initially, not
7943 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7945 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7946 * doc/rtl.texi: Document them.
7947 * simplify-rtx.c (simplify_unary_operation,
7948 simplify_binary_operation_1): Don't abort when we see them.
7950 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7953 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7954 * configure.ac: Completely disregard languages that are not
7956 * configure: Regenerated.
7958 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7959 Richard Guenther <rguenther@suse.de>
7961 PR tree-optimization/27236
7962 * tree-inline.c (copy_body_r): Make sure to copy
7963 TREE_THIS_VOLATILE flag.
7965 2006-04-24 Richard Guenther <rguenther@suse.de>
7968 * tree-complex.c (update_parameter_components): Don't handle
7969 unused parameters which have no default def.
7971 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7972 Richard Guenther <rguenther@suse.de>
7974 PR tree-optimization/27218
7975 * tree-inline.c (expand_call_inline): Strip useless type
7976 conversions for the return slot address.
7978 2006-04-24 Richard Guenther <rguenther@suse.de>
7980 * cfgloop.h (struct loops): Remove unused field array. Reorder
7982 (LOOP_PREFETCH): Remove.
7984 2006-04-24 Richard Guenther <rguenther@suse.de>
7986 PR tree-optimization/22525
7987 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7988 variable, adjust types of generated expressions.
7990 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7992 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7993 (tree-vect-patterns.o): Likewise.
7995 (cselib.o): Likewise.
7996 (loop-doloop.o): Likewise.
7997 (regclass.o): Likewise.
7998 (reload1.o): Likewise.
7999 (explow.o): Replace target.h with $(TARGET_H).
8000 (ipa-prop.o): Likewise.
8001 (ipa-cp.o): Likewise.
8002 (ipa-inline.o): Likewise.
8003 (reorg.o): Likewise.
8004 (reg-stack.o): Likewise.
8006 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8008 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8010 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8012 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8014 * configure.ac: Completely disregard languages that are not
8016 * configure: Regenerated.
8019 * c-common.h (c_build_bitfield_integer_type): Declare.
8020 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8021 * c-common.c (c_build_bitfield_integer_type): ... here.
8023 2006-04-23 Roger Sayle <roger@eyesopen.com>
8026 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8027 a SImode SUBREG of a floating point register after no_new_pseudos.
8029 2006-04-23 Roger Sayle <roger@eyesopen.com>
8031 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8032 identify potentially eliminable registers to additionally catch
8033 VIRTUAL_INCOMING_ARGS_REGNUM.
8034 (addsi3): Update the conditions on when to use addsi_small_int.
8036 2006-04-23 Roger Sayle <roger@eyesopen.com>
8039 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8040 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8041 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8043 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8045 * fold-const.c (range_predecessor): Use operand_equal_p
8046 as the predicate for equality.
8047 (range_successor): Likewise.
8049 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8052 * config/soft-fp/op-common.h: Fix a typo.
8054 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8057 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8058 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8060 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8062 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8064 * doc/tm.texi: Fix a typo.
8066 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8068 * dwarf2out.c (struct die_struct): Document that die_sib makes
8069 a circular linked list.
8070 (FOR_EACH_CHILD): New.
8071 (reverse_die_lists): Delete.
8072 (reverse_all_dies): Delete.
8073 (add_dwarf_attr): Correct documentation.
8074 (remove_child_with_prev): New.
8075 (remove_child_TAG): Update for change to die_struct, use
8076 remove_child_with_prev.
8077 (add_child_die): Update for change to die_struct.
8078 (splice_child_die): Use remove_child_with_prev and add_child_die.
8079 (print_die): Use FOR_EACH_CHILD.
8080 (die_checksum): Likewise.
8081 (assign_symbol_names): Likewise.
8082 (output_location_lists): Likewise.
8083 (build_abbrev_table): Likewise.
8084 (calc_die_sizes): Likewise.
8085 (mark_dies): Likewise.
8086 (unmark_dies): Likewise.
8087 (unmark_all_dies): Likewise.
8088 (output_die): Likewise.
8089 (prune_unused_types_mark): Likewise.
8090 (prune_unused_types_walk): Likewise.
8091 (same_die_p): Update for change to die_struct.
8092 (break_out_includes): Likewise.
8093 (prune_unused_types_prune): Likewise.
8094 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8095 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8097 (dwarf2out_finish): Don't call reverse_all_dies.
8099 2006-04-21 Eric Christopher <echristo@apple.com>
8101 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8102 in comments and function names.
8104 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8107 * c-typeck.c (digest_init): Robustify.
8109 * c-typeck.c (pop_init_level): Simplify.
8111 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8113 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8115 2006-04-21 Paul Brook <paul@codesourcery.com>
8117 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8118 hardware floating point.
8120 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8122 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8125 2006-04-21 Nick Clifton <nickc@redhat.com>
8127 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8130 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8133 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8134 C++ lang type in traceback table for Objective-C++.
8136 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8138 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8140 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8142 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8145 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8146 were errors. Remove check for erroneous objects.
8148 2006-04-20 Jeff Law <law@redhat.com>
8150 PR tree-optimization/26854
8151 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8152 checking for zero or one use.
8153 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8154 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8155 * tree-ssa-reassoc.c (negate_value): Similarly.
8156 (reassociate_bb): Similarly.
8158 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8160 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8161 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8162 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8164 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8166 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8167 fp regs if the last fp arg doesn't fit in regs.
8169 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8172 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8173 that the last insn has the REG_INC note.
8175 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8176 Nathan Sidwell <nathan@codesourcery.com>
8179 * stor-layout.c (update_alignment_for_field): Do not align
8181 (place_union_field): Place union field at the start of the union.
8182 (place_field): Move ERROR_MARK check later, and use the current
8183 allocation position to maintain monotonicity.
8185 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8187 * dominance.c: Include timevar.h.
8188 (calculate_dominance_info): Use TV_DOMINANCE.
8189 * timevar.def (TV_DOMINANCE): New timevar.
8190 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8192 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8194 PR rtl-optimization/14261
8195 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8196 move would be an INSV insn.
8197 (noce_process_if_block): Don't optimize if the destination is a
8198 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8200 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8202 * config/s390/s390.md: Add comments with the instructions emitted
8203 by an insn pattern if macros are used.
8205 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8207 PR rtl-optimization/26026
8208 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8209 is a known power of two shifted left a variable amount.
8211 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8213 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8214 to hash table twice when the debug_str section has SECTION_MERGE.
8216 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8218 * config/soft-fp: New directory. From glibc.
8219 * config/soft-fp/t-softfp: New.
8220 * config/soft-fp/README: New.
8221 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8222 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8223 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8224 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8225 * config.gcc: Use rs6000/t-fprules-fpbit or
8226 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8228 * config/rs6000/sfp-machine.h: New. Based on glibc.
8229 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8231 * config/rs6000/t-fprules: Remove fp-bit rules.
8232 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8233 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8234 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8235 (softfp_wrap_start, softfp_wrap_end): New.
8237 2006-04-18 DJ Delorie <dj@redhat.com>
8239 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8241 2006-04-18 Devang Patel <dpatel@apple.com>
8243 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8245 2006-04-18 Nick Clifton <nickc@redhat.com>
8247 * config/sh/t-symbian: Add rule to build sh-c.o
8248 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8249 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8250 (sh_symbian_encode_section_info): Likewise.
8252 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8254 * builtins.c (expand_builtin_strcmp): Cover label definition of
8255 do_libcall with HAVE_cmpstrnsi.
8257 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8259 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8261 * function.h (temp_slot_p): New.
8262 (function): Change the type of x_used_temp_slots to
8263 VEC(temp_slot_p,gc) *.
8265 2006-04-18 Nick Clifton <nickc@redhat.com>
8267 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8268 flag_strength_reduce.
8270 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8272 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8276 Partial revert of revision 112637
8277 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8278 Dale Johannesen <dalej@apple.com>
8281 * regclass.c (struct reg_pref): Update documentation.
8282 (regclass): Set prefclass to NO_REGS if memory is the best option.
8283 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8285 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8287 PR tree-optimization/26821
8288 * tree-ssa-math-opts.c (get_constant_one): New.
8289 (insert_reciprocals): Use it.
8291 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8293 * dwarf2out.c (free_AT): Delete.
8294 (remove_AT): Update string ref counts.
8295 (remove_child_TAG): Don't call free_die.
8297 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8298 or DW_TAG_GNU_EINCL.
8299 (prune_unused_types_walk_attribs): Reset string refcounts.
8300 (prune_unused_types_update_strings): New.
8301 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8302 call free_die. Do call prune_unused_types_update_strings.
8303 (prune_unused_types): Empty debug_str_hash.
8305 2006-04-17 Roger Sayle <roger@eyesopen.com>
8307 * expr.c (expand_assignment): Optimize away no-op moves where the
8308 source and destination are equal and have no side-effects.
8310 2006-04-17 Richard Guenther <rguenther@suse.de>
8313 * reload.c (push_reload): Guard calls to get_secondary_mem
8316 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8318 * alias.c (reg_base_value, old_reg_base_value): Change the
8319 type to VEC(rtx,gc) *.
8320 (REG_BASE_VALUE, find_base_value, record_set,
8321 init_alias_analysis): Use VEC instead of VARRAY.
8323 * alias.c (alias_sets): Change the type to
8324 VEC(alias_set_entry,gc) *.
8325 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8326 VEC instead of VARRAY.
8327 (last_alias_set): Remove.
8329 * cgraph.h (cgraph_edge_p): New.
8330 Update the prototype of cgraph_function_versioning.
8331 * cgraphunit.c (cgraph_copy_node_for_versioning,
8332 cgraph_function_versioning): Use VEC instead of VARRAY.
8333 * ipa-cp.c (ipcp_insert_stage): Likewise.
8335 2006-04-16 Roger Sayle <roger@eyesopen.com>
8338 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8339 "A op B" or "A op C", we may need to convert A to the type of B and C.
8341 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8343 * target.h (struct gcc_target): Add mode_rep_extended.
8344 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8345 (init_num_sign_bit_copies_in_rep): Initialize it using
8347 (truncate_to_mode): Use it.
8348 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8349 * targhooks.h (default_mode_rep_extended): Declare it.
8350 * targhooks.c (default_mode_rep_extended): Define it.
8351 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8352 default_mode_rep_extended.
8353 (TARGET_INITIALIZER): Include it.
8354 * doc/tm.texi (Misc): Document it.
8355 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8356 (mips_truncated_to_mode): New function.
8358 2006-04-16 Roger Sayle <roger@eyesopen.com>
8361 * expr.c (compress_float_constant): Copy the narrow constant into
8362 a new pseudo before extending it to its final width.
8364 2006-04-16 Roger Sayle <roger@eyesopen.com>
8365 Andrew Pinski <pinskia@gcc.gnu.org>
8366 Dale Johannesen <dalej@apple.com>
8369 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8370 special case code to implement V8HImode and V16QImode with SSE2.
8372 2006-04-15 Roger Sayle <roger@eyesopen.com>
8374 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8375 trees are constructed with a suitable tree type.
8377 2006-04-15 Roger Sayle <roger@eyesopen.com>
8379 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8380 (integer_onep): Likewise.
8381 (integer_all_onesp): Likewise.
8382 (integer_pow2p): Likewise.
8383 (integer_nonzerop): Likewise.
8384 (real_zerop): Likewise.
8385 (real_onep): Likewise.
8386 (real_twop): Likewise.
8387 (real_minus_onep): Likewise.
8388 (int_size_in_bytes): Likewise.
8389 (host_integerp): Likewise.
8391 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8393 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8394 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8395 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8397 * tree-ssa-structalias.h (alias_info): Remove num_references.
8399 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8401 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8402 (output_bvb patterns): Likewise.
8403 * pa.c (output_bb): Use 'bb' insn for long branch case.
8404 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8405 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8406 1. Correct length operand for alternatives 1 and 2.
8407 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8408 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8410 2006-04-14 Roger Sayle <roger@eyesopen.com>
8412 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8413 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8414 were accidentally reverted by r112959.
8416 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8419 * except.h (eh_region_outermost): New prototype.
8420 * except.c (eh_region_outermost): New function.
8421 * tree-cfg.c (find_outermost_region_in_block): Use it.
8423 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8425 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8427 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8428 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8429 (init_reload, reload): Use VEC instead of VARRAY.
8430 * reload.h: Update the prototype for
8431 reg_equiv_memory_loc_varray.
8433 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8434 Eric Botcazou <ebotcazou@libertysurf.fr>
8436 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8439 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8442 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8443 to expand fallback builtin function call.
8445 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8448 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8449 and emit libcall here in case the builtin fails.
8450 (expand_builtin_strcmp): Always emit the libcall here on failure.
8452 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8454 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8455 * flow.c (reg_n_info): Change the type to
8456 VEC(reg_info_p,heap) *.
8457 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8459 * regs.h (reg_info_p): New.
8460 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8461 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8462 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8465 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8467 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8469 * params.h (MAX_SCHED_READY_INSNS): New macro.
8470 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8471 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8472 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8473 the ready list for 1 cycle during the first scheduling pass.
8474 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8476 2006-04-13 Richard Henderson <rth@redhat.com>
8479 * gimple-low.c (lower_omp_directive): Remove dead code.
8480 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8481 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8482 * omp-low.c (struct omp_region): Move to tree-flow.h.
8483 (root_omp_region): Export.
8484 (omp_regions, lookup_omp_region): Remove.
8485 (determine_parallel_type): Update for struct omp_region changes.
8486 (dump_omp_region): Dump regions with block numbers.
8487 (new_omp_region): Take type and block instead of stmt; malloc
8489 (free_omp_region_1, free_omp_regions): New.
8490 (expand_parallel_call): Take entry_stmt as argument; update for
8491 changes to omp_region.
8492 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8493 (remove_exit_barriers): New.
8494 (expand_omp_parallel): Update for struct omp_region changes.
8495 (expand_omp_synch): Likewise.
8496 (expand_omp): Likewise.
8497 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8498 (expand_omp_for_static_chunk): Likewise.
8499 (expand_omp_for): Likewise.
8500 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8501 (expand_omp_sections): Similarly, with GOMP_sections_end.
8502 (expand_omp_single): New.
8503 (build_omp_regions_1): Update for OMP_CONTINUE.
8504 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8505 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8506 OMP_SECTIONS_SECTIONS.
8507 (lower_omp_single_simple): Don't emit barrier here.
8508 (lower_omp_single_copy): Likewise.
8509 (lower_omp_single): Fix bindings, and lower to straightline now.
8510 (lower_omp_master, lower_omp_ordered): Likewise.
8511 (lower_omp_critical): Likewise.
8512 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8513 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8514 omp edges, free it afterward.
8515 (make_omp_sections_edges): Remove.
8516 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8517 (move_stmt_r): Handle OMP_CONTINUE.
8518 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8519 statement pointers to basic blocks. Add type member.
8520 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8521 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8522 * tree-inline.c (estimate_num_insns_1): Likewise.
8523 * tree-pretty-print.c (dump_generic_node): Likewise.
8524 * tree-ssa-operands.c (get_expr_operands): Likewise.
8525 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8526 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8527 (OMP_CONTINUE): New.
8528 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8529 (OMP_SECTIONS_SECTIONS): Remove.
8530 (OMP_SECTION_LAST): New.
8531 (OMP_RETURN_NOWAIT): New.
8533 2006-04-13 Roger Sayle <roger@eyesopen.com>
8535 * fold-const.c (native_encode_vector, native_interpret_real):
8536 Correct obvious mistakes in the previous check-in.
8538 2006-04-13 Roger Sayle <roger@eyesopen.com>
8540 * fold-const.c (native_encode_expr): New function to encode
8541 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8542 or VECTOR_CST into a specified buffer.
8543 (native_encode_int): New function.
8544 (native_encode_real): New function.
8545 (native_encode_complex): New function.
8546 (native_encode_vector): New function.
8547 (native_interpret_expr): Inverse of native_encode_expr to convert
8548 a target representation into an INTEGER_CST, REAL_CST etc...
8549 (native_interpret_int): New function.
8550 (native_interpret_real): New function.
8551 (native_interpret_complex): New function.
8552 (native_interpret_vector): New function.
8553 (fold_view_convert_expr): New function to constant fold/evaluate
8554 a VIEW_CONVERT_EXPR of a suitable constant expression.
8555 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8556 Change call of build1 to fold_build1 when constructing a
8559 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8560 Ulrich Weigand <uweigand@de.ibm.com>
8563 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8566 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8569 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8570 optimize to lo_sum for DFmode if !TARGET_FPRS.
8572 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8574 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8575 delete_alias_info, compute_flow_sensitive_aliasing,
8576 group_aliases): Use VEC instead of VARRAY.
8577 * tree-ssa-structalias.c (update_alias_info): Likewise.
8578 * tree-ssa-structalias.h (alias_info): Change the type of
8579 processed_ptrs to VEC(tree,heap) *.
8581 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8584 * config/sh/lib1funcs.h: New file, broken out of:
8585 * config/sh/lib1funcs.asm.
8586 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8588 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8589 * config/sh/lib1funcs-Os-4-200.asm: New file.
8590 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8591 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8592 (EXTRA_MULTILIB_PARTS): Include it.
8593 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8594 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8595 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8596 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8599 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8601 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8602 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8603 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8605 * tree-ssa-live.h: Include vecprim.h.
8606 (tree_partition_associator_d): Change the type of
8607 first_partition to VEC(int,heap) *.
8608 (tpa_first_partition): Use VEC instead of VARRAY.
8610 * Makefile.in (GTFILES): Move functions.h after tree.h.
8611 * function.c (reset_block_changes, record_block_change,
8612 check_block_change, free_block_changes): Use VEC instead of
8614 * function.h (function): Change the type of
8615 ib_boundaries_block to VEC(tree,gc) *.
8616 * tree-inline.c (copy_cfg_body): Initialize
8617 ib_boundaries_block to NULL instead of (varray_type) 0.
8619 2006-04-12 Roger Sayle <roger@eyesopen.com>
8621 * expr.c (emit_group_store): Correct operand order in call to
8622 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8623 a SUBREG_BYTE of zero.
8625 2006-04-12 Richard Guenther <rguenther@suse.de>
8627 * profile.c (compute_branch_probabilities): Remove code
8628 encapsulated in !ir_type (), which are remanents of the
8629 removed RTL profiling code.
8630 * rtl-profile.c: Remove.
8632 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8634 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8635 magic NULL_RTX comment.
8636 (function_arg): Store entire fp arg to mem if any part should go
8638 (rs6000_arg_partial_bytes): Adjust for above change.
8640 2006-04-11 Roger Sayle <roger@eyesopen.com>
8642 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8643 if it hasn't been initialized by dwarf2out_init.
8645 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8647 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8648 symbolic constants in branch patterns.
8650 2006-04-11 Roger Sayle <roger@eyesopen.com>
8652 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8654 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8656 PR rtl-optimization/27073
8657 * gcse.c (try_replace_reg): Revert last change. Continue to search
8658 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8661 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8663 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8664 aggregate types other than record and union types.
8665 (function_arg): Likewise.
8666 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8668 (function_value): In 64-bit mode, return objects that require it
8671 2006-04-11 Roger Sayle <roger@eyesopen.com>
8673 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8675 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8677 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8679 2006-04-03 Jeff Law <law@redhat.com>
8682 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8683 alias information too.
8685 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8687 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8689 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8692 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8693 (premark_used_types_helper): New.
8694 (premark_used_types): New.
8695 (gen_subprogram_die): Call premark_used_types.
8696 (prune_unused_types_walk): Do not prune perennial dies.
8697 * function.c (used_types_insert): New.
8698 * function.h (struct function): Add used_types_hash field.
8699 (used_types_insert): Add prototype.
8700 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8701 * c-parser.c (c_parser_cast_expression): Save casted types in used
8704 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8707 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8708 rs6000_explicit_options.float_gprs.
8710 2006-04-10 Roger Sayle <roger@eyesopen.com>
8712 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8713 from ix86_expand_vector_init_low_nonzero. Take an additional
8714 one_var argument indicating which element is non-zero. Support
8715 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8716 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8717 with one_var instead of ix86_expand_vector_init_low_nonzero.
8719 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8721 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8722 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8723 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8724 build/genextract.o): Depend on vecprim.h.
8725 * cfglayout.c, df-problems.c, function.c, genextract.c,
8726 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8727 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8731 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8733 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8734 Declare VECs of this type.
8735 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8736 (remove_children): Delete.
8737 (add_dwarf_attr): Use VEC routines.
8738 (add_AT_flag): Update for changes to add_dwarf_attr.
8739 (add_AT_int): Likewise.
8740 (add_AT_unsigned): Likewise.
8741 (add_AT_long_long): Likewise.
8742 (add_AT_vec): Likewise.
8743 (add_AT_string): Likewise.
8744 (add_AT_die_ref): Likewise.
8745 (add_AT_fde_ref): Likewise.
8746 (add_AT_loc): Likewise.
8747 (add_AT_loc_list): Likewise.
8748 (add_AT_addr): Likewise.
8749 (add_AT_lbl_id): Likewise.
8750 (add_AT_lineptr): Likewise.
8751 (add_AT_macptr): Likewise.
8752 (add_AT_offset): Likewise.
8753 (add_AT_range_list): Likewise.
8754 (get_AT): Use VEC_iterate.
8755 (remove_AT): Use VEC_ordered_remove.
8756 (free_die): Fold remove_children into here; have it use VEC_iterate.
8757 (print_die): Use VEC_iterate on attrs.
8758 (reverse_die_lists): Don't reverse attr lists.
8759 (die_checksum): Use VEC_iterate on attrs.
8760 (same_die_p): Likewise.
8761 (output_location_lists): Likewise.
8762 (build_abbrev_table): Likewise.
8763 (size_of_die): Likewise.
8764 (unmark_all_dies): Likewise.
8765 (output_abbrev_section): Likewise.
8766 (output_die): Likewise.
8767 (prune_unused_types_walk_attribs): Likewise.
8769 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8771 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8773 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8776 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8778 2006-04-09 Roger Sayle <roger@eyesopen.com>
8780 * expr.c (store_constructor): Don't bother clearing target if
8781 we're about to assign a vector to it using vec_init_optab.
8783 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8785 * tree-ssa-alias.c (lhs_may_store_to): New function.
8786 (recalculate_used_alone): Handle LHS of calls.
8788 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8792 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8793 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8794 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8795 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8796 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8797 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8798 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8799 stubs. Add ".align 8" directives before all ".dword" directives.
8800 (GTHREAD_USE_WEAK): Revise comment.
8801 (TARGET_ATTRIBUTE_WEAK): Define.
8802 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8803 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8804 * stublib.c: New file.
8809 * pa.md (cbranch patterns): Revise arguments used in calls to
8810 output_cbranch, output_bb and output_bvd. Add long branch length
8812 (fbranch patterns): Handle long branches.
8813 (jump): Revise length check. Revise arguments for output_lbranch call.
8814 Add long branch length attributes.
8815 (decrement_and_branch_until_zero): Add long branch length attributes.
8816 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8817 Likewise. Revise arguments for output_parallel_addb and
8818 output_parallel_movb calls.
8819 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8820 output_parallel_movb and output_parallel_addb): Update prototypes.
8821 * pa.c (output_cbranch): Revise arguments. Correct handling of
8822 nullification in long branches.
8823 (output_lbranch): Add new argument to control extraction of delay
8825 (output_bb): Handle long branches.
8826 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8827 output_parallel_addb): Likewise.
8829 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8831 PR rtl-optimization/27073
8832 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8835 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8837 * tree.h (tree_memory_tag): Add old_used_alone.
8838 (SMT_OLD_USED_ALONE): New macro.
8839 * tree-ssa-alias.c (recalculate_used_alone): Stop
8840 marking things for renaming unnecessarily.
8842 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8844 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8845 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8846 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8847 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8848 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8849 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8850 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8851 spelling convensions.
8852 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8853 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8854 typos. Follow spelling conventions.
8856 2006-04-07 DJ Delorie <dj@redhat.com>
8858 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8859 passed on the stack.
8860 (m32c_init_cumulative_args): When a function returns a structure,
8861 always pass the pointer to that return area on the stack.
8862 (m32c_function_arg_advance): Don't increment the parameter number
8863 if we're processing the returned structure pointer.
8864 (pushm_info): Reverse order of registers.
8866 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8868 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8869 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8870 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8871 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8873 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8874 chrec_fold_multiply): Same.
8875 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8876 force_expr_to_var_cost): Same.
8877 * tree-mudflap.c (mf_xform_derefs_1): Same.
8878 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8880 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8882 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8883 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8886 2006-04-07 Jan Hubicka <jh@suse.cz>
8888 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8890 2006-04-07 Richard Guenther <rguenther@suse.de>
8892 PR tree-optimization/26135
8893 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8894 loads for store copy-prop.
8895 (copy_prop_visit_stmt): Likewise.
8897 2006-04-05 Robert Millan <robertmh@gnu.org>
8899 * config/i386/linux.h: Add a comment to mark macros that are
8900 being overriden in config/k*bsd-gnu.h.
8901 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8903 * config/knetbsd-gnu.h: Ditto.
8905 2006-04-06 Jan Hubicka <jh@suse.cz>
8909 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8912 2006-04-06 Mike Stump <mrs@apple.com>
8914 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8915 for HAVE_nonlocal_goto to be consistent.
8916 (expand_builtin_nonlocal_goto): Likewise.
8917 (expand_builtin_strcmp): Use #ifdef instead of #if
8918 for HAVE_cmpstrnsi to be consistent.
8920 2006-04-05 DJ Delorie <dj@redhat.com>
8922 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8925 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8927 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8928 got-relative addressing for anything but SImode.
8930 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8931 even if the calling function doesn't modify them.
8933 2006-04-05 Richard Guenther <rguenther@suse.de>
8935 PR tree-optimization/26919
8936 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8937 to cgraph_estimate_size_after_inlining.
8939 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8941 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8943 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8945 PR tree-optimization/26996
8946 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8947 VECTOR_TYPE variables.
8949 2006-04-05 Richard Guenther <rguenther@suse.de>
8951 PR tree-optimization/26763
8952 * fold-const.c (fold_comparison): Move folding of
8953 PTR + CST CMP PTR + CST ...
8954 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8956 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8958 * doc/install.texi (Prerequisites): Refine some wording on
8959 bootstrapping and ksh.
8960 Move the version numbers of DejaGnu here from the testing section
8961 and fix casing of names.
8962 Fix markup and clarify wording for autogen requirements.
8963 Refer to GCJ instead of just java.
8964 Refer to SVN instead of CVS.
8965 Describe diffutils as useful instead of necessary.
8966 (Downloading the source): Refer to SVN instead of CVS.
8967 Adjust a link to our web site accordingly.
8968 (Configuration): Fix casing of Bison.
8969 (Building): Refer to SVN instead of CVS.
8970 Fix a sentence on the use of Bison and remove duplicate (and
8971 incorrect) version number of Bison requirement.
8972 Remove one redundant list of packages needed for building.
8973 (Specific): Avoid reference to CVS.
8975 2006-04-04 Eric Christopher <echristo@apple.com>
8977 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8978 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8979 (rs6000_handle_struct_attribute): New.
8980 (rs6000_ms_bitfield_layout_p): Ditto.
8982 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8984 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8985 NULL for dso parameter to atexit_common.
8987 2006-04-04 Eric Christopher <echristo@apple.com>
8989 * config/i386/i386.c (machopic_output_stub): Output \t
8990 between instructions and operands.
8992 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8994 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8995 satisfies_constraint_[IL] to explicit tests on value.
8997 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8999 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9000 set_nb_iterations_in_loop): Use build_int_cst instead of
9002 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9003 build_int_cst instead of convert.
9005 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9007 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9008 new value 2 for incoming.
9009 * function.c (expand_function_start): Call struct_value_rtx
9011 * config/sparc/sparc.md: Comment updated_return.
9012 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9013 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9014 struct return if sparc_std_struct_return and incoming is 2.
9015 (print_operand): Do not adjust return if
9016 sparc_std_struct_return.
9018 2006-04-04 Roger Sayle <roger@eyesopen.com>
9020 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9021 convert in the middle-end.
9022 * expr.c (store_expr, store_constructor, get_inner_reference,
9023 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9025 * tree.c (build_range_type): Likewise.
9027 2006-04-04 Tom Tromey <tromey@redhat.com>
9029 * doc/install.texi (Prerequisites): Mention jar.
9031 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9033 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9036 2006-04-04 Matthias Klose <doko@debian.org>
9038 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9042 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9045 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9047 * doc/extend.texi (Function Attributes): Rewrite visibility
9048 attribute documentation.
9049 * doc/invoke.texi (C++ Dialect Options): Rewrite
9050 -fvisibility-inlines-hidden documentation to describe something
9051 entirely different, although in practise compatible.
9052 (Code Gen Options): Warn about system headers in -fvisibility=
9055 * doc/extend.texi (Other Builtins): Document that
9056 __builtin_nan is a compile-time constant only when its argument
9059 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9061 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9062 trying to remove TRUNCATE check if all bits outside the new mode
9063 are identical to the sign bit.
9065 2006-04-03 Jeff Law <law@redhat.com>
9067 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9068 and operand scanning in some common cases.
9070 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9071 Dale Johannesen <dalej@apple.com>
9074 * regclass.c (struct reg_pref): Update documentation.
9075 (regclass): Set prefclass to NO_REGS if memory is the best option.
9076 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9077 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9078 into account. For non-registers, equate an empty preferred
9079 reload class to a `!' in the constraint; move the if clause to
9080 do so after those that reject the insn.
9081 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9083 (find_dummy_reload): Likewise.
9084 * doc/tm.texi (Register Classes): Document what it means
9085 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9086 * config/i386/i386.c (ix86_preferred_reload_class): Force
9087 using SSE registers (and return NO_REGS for floating-point
9088 constants) if math is done with SSE.
9089 (ix86_preferred_output_reload_class): New.
9090 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9091 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9092 * config/i386/i386.md: Remove # register preferences.
9094 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9097 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9098 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9099 the type of nb_iter.
9100 (instantiate_parameters_1): Convert the operands before calling
9101 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9102 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9104 2006-04-02 Roger Sayle <roger@eyesopen.com>
9106 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9107 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9109 * dojump.c (do_jump): Likewise.
9110 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9111 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9112 gimplify_boolean_expr): Likewise.
9113 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9114 * varasm.c (array_size_for_constructor): Likewise.
9115 * tree-object-size.c (compute_object_offset): Likewise.
9117 2006-04-02 Roger Sayle <roger@eyesopen.com>
9120 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9121 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9123 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9125 PR tree-optimization/26939
9126 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9128 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9130 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9131 at_stmt. Convert the type of operands before calling
9132 build_polynomial_chrec.
9133 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9135 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9136 (instantiate_parameters_1): Convert the type of operands before calling
9137 build_polynomial_chrec.
9138 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9139 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9140 reset_evolution_in_loop): Insert asserts to check the types of the
9142 (chrec_type): Moved...
9143 (eq_evolutions_p): Use operand_equal_p.
9144 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9145 the types of the operands.
9146 (chrec_type): ...here.
9147 * tree-data-ref.c (create_data_ref): Convert the operands before
9148 calling chrec_replace_initial_condition.
9149 (same_access_functions, analyze_subscript_affine_affine,
9150 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9151 (compute_subscript_distance, analyze_ziv_subscript,
9152 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9153 analyze_miv_subscript): Convert the operands before calling
9154 chrec_fold_minus or chrec_fold_plus.
9156 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9158 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9159 the dependence_relations vector.
9160 (compute_data_dependences_for_loop): Adjust call to
9161 compute_all_dependences.
9163 2006-04-01 Roger Sayle <roger@eyesopen.com>
9164 Richard Henderson <rth@redhat.com>
9166 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9167 gimple_boolify on the condition before calling gimplify_expr.
9169 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9171 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9172 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9173 the frame size. Update to use the new macros.
9174 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9175 * config/xtensa/ieee754-df.S: Likewise.
9177 2006-03-31 Richard Henderson <rth@redhat.com>
9179 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9180 (make_edges): ... here. Control fallthru creation with a local
9181 variable. Do not play with fake edges.
9182 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9183 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9186 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9188 * dwarf2.h (DW64_CIE_ID): Define.
9189 * dwarf2out.c (DWARF_CIE_ID): Define.
9190 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9191 length header. Use DWARF_CIE_ID.
9192 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9193 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9195 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9197 * config/sh/linux-atomic.asm: New file.
9198 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9200 2006-03-31 DJ Delorie <dj@redhat.com>
9202 * config/m32c/cond.md: Set condition flags properly throughout.
9203 * config/m32c/minmax.md: Likewise.
9204 * config/m32c/prologue.md: Likewise.
9205 * config/m32c/bitops.md: Likewise.
9206 * config/m32c/muldiv.md: Likewise.
9207 * config/m32c/mov.md: Likewise.
9208 * config/m32c/addsub.md: Likewise.
9209 * config/m32c/m32c.md: Likewise.
9210 * config/m32c/jump.md: Likewise.
9211 * config/m32c/shift.md: Likewise.
9213 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9214 conditionally output the pattern for this.
9215 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9216 (m32c_compare_redundant): New.
9217 (m32c_output_compare): New.
9218 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9220 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9221 dest, not src. Allow other 4-byte modes.
9223 2006-03-30 Denis Chertykov <denisc@overta.ru>
9225 * doc/md.texi: Refer to avr/constraints.md instead of
9228 2006-03-30 Roger Sayle <roger@eyesopen.com>
9230 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9231 signed vs. unsigned comparison failures on some hosts.
9233 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9236 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9237 change to FLOAT_REGS.
9239 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9240 (rs6000_override_options): Use it.
9241 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9242 only for -mabi=spe/no-spe and -mabi=altivec.
9244 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9246 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9249 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9251 * Makefile.in: Rename docdir to gcc_docdir.
9253 2006-03-30 Roger Sayle <roger@eyesopen.com>
9256 * expr.c (emit_group_store): Optimize group stores into a pseudo
9257 register by using a paradoxical subreg to initialize the destination
9258 if the first or last member of the group specifies a "low part".
9260 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9263 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9264 * target.h (struct gcc_target.speculate_insn): Change type of the
9265 second parameter to 'int'.
9266 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9267 the second operand of the DEPS_LIST.
9268 (copy_DEPS_LIST_list): Update reference to the second operand of the
9270 * rtl.h (alloc_DEPS_LIST): Update signature.
9271 * sched-int.h (ds_t): Change typedef to 'int'.
9272 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9274 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9276 * haifa-sched.c (try_ready): Change condition to restore
9277 non-speculative pattern of the instruction.
9278 (process_insn_depend_be_in_spec): Code to keep probability of the
9279 speculative dependence non-decreasing.
9281 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9283 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9284 (single_move_for_movmem): ... this. Also change all uses.
9285 (bfin_expand_strmov): Renamed to...
9286 (bfin_expand_movmem): ... this. Also change all uses.
9287 * config/bfin/bfin.md (movstrsi): Renamed to...
9288 (movstrsi): ...this.
9290 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9292 PR tree-optimization/26830
9294 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9295 (copy_prop_visit_stmt): Remove write-only variable ann.
9296 (init_copy_prop): Check variable loop depth here. Do not simulate
9297 memory-tag and virtual operand PHIs except for store copy prop.
9299 2006-03-30 Richard Guenther <rguenther@suse.de>
9301 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9302 variants with double arguments.
9304 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9306 * genpreds.c (write_tm_constrs_h): Delete variable p.
9307 * genconditions.c (write_header): Add tm-constrs.h to included
9309 * genpeep.c (main): Add toplev.h to included headers.
9310 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9311 (build/genpeep.o): Add toplev.h dependency.
9312 * config/rs6000/constraints.md: Add "W" constraint.
9314 2006-03-29 Roger Sayle <roger@eyesopen.com>
9316 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9317 sizes by correctly testing whether the size fits a host integer.
9318 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9319 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9320 SImode range for the default sizetype and bitsizetype.
9322 2006-03-29 Roger Sayle <roger@eyesopen.com>
9324 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9325 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9326 quickly if the argument is already of the correct type.
9327 Call fold_build1 instead of build1. Tidy up blank lines.
9329 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9331 * genemit.c (main): Add tm-constrs.h to included headers.
9332 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9333 * genpeep.c (main): Add tm-constrs.h to included headers.
9334 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9335 (write_tm_constrs_h): this and write complete file.
9336 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9337 (write_insn_preds_c): Add tm-constrs.h to included headers.
9338 (gen_constrs): New variable.
9339 (parse_option): Parse "-c".
9340 (main): Invoke write_tm_constrs_h.
9341 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9342 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9343 (object_out_file): Add tm-constrs.h dependency.
9344 (insn-emit.o): Same.
9345 (insn-output.o): Same.
9346 (insn-peep.o): Same.
9347 (insn-preds.o): Same.
9348 (insn-recog.o): Same.
9349 (tm-constsr.h): New target.
9350 (s-constrs-h): New target.
9352 * config/rs6000/constraints.md: New file.
9353 * config/rs6000/rs6000.c: Include tm-constrs.h.
9354 (num_insn_constant_wide): Convert to satisfies_constraint.
9355 (rs6000_rtx_costs): Convert to satisfies_constraint.
9356 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9357 (CONST_OK_FOR_LETTER_P): Delete.
9358 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9359 (EXTRA_CONSTRAINT): Delete.
9360 (EXTRA_MEMORY_CONSTRAINT): Delete.
9361 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9362 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9363 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9364 satisfies_constraint.
9366 * config/i386/i386.c: Include tm-constrs.h.
9368 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9370 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9371 * tree-data-ref.c (find_data_references_in_loop,
9372 compute_data_dependences_for_loop): Use pointers to VEC.
9373 (analyze_all_data_dependences): Adjust calls.
9374 * tree-data-ref.h (find_data_references_in_loop,
9375 compute_data_dependences_for_loop): Adjust declarations.
9376 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9377 compute_data_dependences_for_loop.
9379 2006-03-29 Paul Brook <paul@codesourcery.com>
9381 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9384 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9386 PR tree-optimization/26859
9387 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9389 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9390 for the step after fold_convert.
9392 2006-03-29 Paul Brook <paul@codesourcery.com>
9394 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9395 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9397 2006-03-29 Paul Brook <paul@codesourcery.com>
9400 * targhooks.c (default_narrow_bitfield): New fuction.
9401 * targhooks.h (default_narrow_bitfield): add prototype.
9402 * target.h (gcc_target): Add narrow_volatile_bitfield.
9403 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9404 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9405 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9406 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9408 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9410 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9412 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9413 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9414 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9415 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9416 (s390_function_arg_float): Allow SDmode and DDmode values to be
9417 passed in floating point registers.
9418 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9419 check with SCALAR_FLOAT_MODE_P.
9420 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9422 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9424 PR tree-optimization/25985
9425 * tree-ssa-loop-niter.c (number_of_iterations_le,
9426 number_of_iterations_ne): Make comments more precise.
9427 (number_of_iterations_cond): Add only_exit argument. Use the
9428 fact that signed variables do not overflow only when only_exit
9430 (loop_only_exit_p): New.
9431 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9432 number_of_iterations_cond.
9434 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9436 PR tree-optimization/26643
9437 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9440 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9442 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9443 (divsi3_i4_int): Likewise.
9445 2006-03-28 Roger Sayle <roger@eyesopen.com>
9447 * expr.c (emit_group_store): Only create a new pseudo reg if the
9448 quantity it needs to hold isn't already a suitable pseudo.
9450 2006-03-28 Jeff Law <law@redhat.com>
9452 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9453 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9455 2006-03-28 Roger Sayle <roger@eyesopen.com>
9457 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9458 the equivalent ~X & Y, and the symmetry related transformations.
9459 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9460 ~X & Y, and symmetry related transforms.
9462 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9464 Revert my 2006-03-27 patches.
9466 2006-03-28 Roger Sayle <roger@eyesopen.com>
9468 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9469 ~(T1)X, when T1 and T2 are integer types of the same precision
9470 and (T2)X isn't an extension.
9472 2006-03-28 Jeff Law <law@redhat.com>
9474 PR tree-optimization/26796
9475 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9476 need EH edge cleanups rather than purging them immediately.
9477 (eliminate_degenerate_phis): Handle queued EH cleanups.
9479 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9481 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9484 2006-03-27 Roger Sayle <roger@eyesopen.com>
9487 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9488 cast BIT_NOT_EXPR operand to the correct type.
9490 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9492 * tree-loop-linear.c: Don't include varray.h.
9493 (gather_interchange_stats, try_interchange_loops,
9494 linear_transform_loops): Use VEC instead of VARRAY.
9495 * lambda-mat.c: Don't include varray.h.
9496 * tree-chrec.c: Same.
9497 * lambda-trans.c: Same.
9498 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9499 VEC instead of VARRAY.
9500 * tree-vectorizer.h: Idem.
9501 * tree-data-ref.c (dump_data_references,
9502 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9503 initialize_data_dependence_relation, finalize_ddr_dependent,
9504 compute_all_dependences, find_data_references_in_loop,
9505 compute_data_dependences_for_loop, analyze_all_data_dependences,
9506 free_dependence_relation, free_dependence_relations,
9507 free_data_refs): Idem.
9508 * tree-data-ref.h (data_reference_p, subscript_p): New.
9509 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9510 VEC instead of VARRAY.
9511 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9512 (find_data_references_in_loop, compute_data_dependences_for_loop,
9513 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9514 dump_data_dependence_relations, free_dependence_relations,
9515 free_data_refs): Adjust declaration.
9516 (lambda_transform_legal_p): Move declaration here...
9517 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9518 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9519 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9520 vect_analyze_data_refs): Use VEC instead of VARRAY.
9521 * lambda.h (lambda_transform_legal_p): ...from here.
9522 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9523 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9524 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9525 tree-chrec.o): Don't depend on VARRAY_H.
9527 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9529 * rtl.def (Copyright): Update date.
9530 (DEPS_LIST): Change type of the second operand to 'int'.
9531 * target.h (Copyright): Update date.
9532 (struct gcc_target.speculate_insn): Change type of the second parameter
9534 * lists.c (Copyright): Update date.
9535 (alloc_DEPS_LIST): Change signature. Update reference to the second
9536 operand of the DEPS_LIST.
9537 (copy_DEPS_LIST_list): Update reference to the second operand of the
9539 * rtl.h (Copyright): Update date.
9540 (alloc_DEPS_LIST): Update signature.
9541 * sched-int.h (Copyright): Update date.
9542 (ds_t): Change typedef to 'int'.
9543 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9545 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9547 * haifa-sched.c (Copyright): Update date.
9548 (try_ready): Change condition to restore non-speculative pattern
9550 (process_insn_depend_be_in_spec): Code to keep probability of the
9551 speculative dependence non-decreasing.
9553 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9555 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9556 shut up the compiler.
9558 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9560 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9561 to use lib prefix for target.
9562 ($(T)libic_invalidate_array_4-200.a): Likewise.
9563 ($(T)libic_invalidate_array_4a.a): Likewise.
9565 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9566 J"orn Rennecke <joern.rennecke@st.com>
9568 * superh.opt: New file.
9569 * sh.c (boardtype, osruntime): Remove.
9570 * superh.h (SUBTARGET_OPTIONS): Remove.
9571 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9573 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9574 arguments with ^ and/or [].
9576 * config.gcc (sh-*-*): Add quoting to account for quirk of
9578 Replace == with = in enable_incomplete_targets test.
9580 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9581 with MASK_LITTLE_ENDIAN.
9583 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9584 * config/sh/sh.opt: Added to some comments.
9585 * config/sh/superh.h: Removed some chaff.
9587 * config/sh/sh.opt: Add m4-[1234]00* options.
9588 * config/sh/sh.c (sh_handle_option): Likewise.
9589 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9590 (ic_invalidate_array_4-100.o): New rule.
9591 ($(T)libic_invalidate_array_4-100.a): Likewise.
9592 (ic_invalidate_array_4-200.o): Likewise.
9593 ($(T)libic_invalidate_array_4-200.a): Likewise.
9594 (ic_invalidate_array_4a.o): Likewise.
9595 ($(T)libic_invalidate_array_4a.a): Likewise.
9596 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9597 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9599 * config/sh/crt1.asm: Merged in profiling code.
9600 * config/sh/superh.h (STARTFILE_SPEC): Override.
9601 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9602 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9603 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9605 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9606 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9607 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9609 * sh.opt (mpretend-cmove): New option.
9610 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9611 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9612 (movsicc): Add TARGET_PRETEND_CMOVE code.
9614 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9616 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9617 s390_class_max_nregs): New function prototypes.
9618 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9619 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9620 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9621 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9623 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9625 * dwarf2out.c (add_location_or_const_value_attribute): Call
9626 tree_add_const_value_attribute if nothing else works.
9627 (reference_to_unused): New.
9628 (rtl_for_decl_init): Use reference_to_unused to decide whether
9629 to output an initializer.
9631 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9634 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9635 peephole removing spe frob_di_df_2.
9637 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9639 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9640 (subscript_dependence_tester_1): Declared.
9641 (print_dir_vectors, print_dist_vectors): New.
9642 (debug_data_dependence_relation): New.
9643 (dump_data_dependence_relation): Print more details.
9644 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9645 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9646 (save_dist_v, save_dir_v, add_outer_distances,
9647 build_classic_dist_vector_1): New.
9648 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9649 Don't test for lambda_vector_lexico_pos.
9650 (same_access_functions, add_multivariate_self_dist,
9651 add_other_self_distances, dir_from_dist): New.
9652 (build_classic_dir_vector): Replace implementation almost identical to
9653 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9655 (subscript_dependence_tester_1): New.
9656 (subscript_dependence_tester): Handle the lexicographically negative
9657 distance vectors by recomputing the dependence relation.
9658 (compute_affine_dependence): Remove parameter loop_nest_depth.
9659 (compute_self_dependence): Don't call compute_subscript_distance.
9660 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9661 Add a parameter for the loop_nest.
9662 (find_loop_nest_1, find_loop_nest): New.
9663 (compute_data_dependences_for_loop): Compute the loop nest, and give
9664 up if the nest is not well formed.
9665 * tree-data-ref.h (loop_p): New.
9666 (struct data_dependence_relation): Replace size_vect field with
9667 loop_nest, a vec of loops.
9668 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9669 (DDR_LOOP_NEST): New.
9670 (print_dir_vectors, print_dist_vectors,
9671 debug_data_dependence_relation): Declared.
9672 (index_in_loop_nest): New.
9673 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9674 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9677 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9679 * simplify-rtx.c (simplify_relational_operation): Call
9680 simplify_relational_operation_1 even if mode is VOIDmode.
9682 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9684 PR tree-optimization/26804
9685 * tree.h (DECL_CALL_CLOBBERED): New macro.
9686 (tree_decl_common): Add call_clobbered_flag.
9687 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9688 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9689 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9690 (mark_non_addressable): Ditto.
9691 * tree-ssa.c (verify_call_clobbered): New function.
9692 (verify_alias_info): Use it.
9693 * tree-pass.h (pass_reset_cc_flags): New prototype.
9694 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9695 (reset_cc_flags): New function.
9696 * passes.c (init_optimization_passes): Call reset_cc_flags after
9697 initializing referenced_vars.
9699 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9700 Roger Sayle <roger@eyesopen.com>
9703 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9704 to 1.0 for non-real operands. Implement A / A optimization for
9707 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9709 * config/i386/i386.c (size_cost): Correct the comment for
9710 cost of storing fp registers.
9711 (i386_cost): Likewise.
9712 (i486_cost): Likewise.
9713 (pentium_cost): Likewise.
9714 (pentiumpro_cost): Likewise.
9715 (k6_cost): Likewise.
9716 (athlon_cost): Likewise.
9717 (k8_cost): Likewise.
9718 (pentium4_cost): Likewise.
9719 (nocona_cost): Likewise.
9720 (generic64_cost): Likewise.
9721 (generic32_cost): Likewise.
9723 2006-03-24 Denis Chertykov <denisc@overta.ru>
9725 * config/avr/avr-protos.h (extra_constraint): Delete.
9726 (extra_constraint_Q): New declaration.
9727 * config/avr/constraints.md: New file.
9728 * config/avr/avr.md: Include it.
9729 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9730 (TMP_REGNO, ZERO_REGNO): Likewise.
9731 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9732 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9733 (extra_constraint): Delete.
9734 (extra_constraint_Q): Test for memory constraint 'Q'.
9735 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9736 (REG_CLASS_FROM_LETTER): Delete.
9737 (CONST_OK_FOR_LETTER_P): Delete.
9738 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9739 (EXTRA_CONSTRAINT): Delete.
9740 (TMP_REGNO): Delete.
9741 (ZERO_REGNO): Delete.
9743 2006-03-24 Jeff Law <law@redhat.com>
9745 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9746 directly. Call mark_new_vars_to_rename slightly earlier.
9748 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9750 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9752 (gen_compile_unit_die): Use new language types for Objective-C and
9754 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9755 DW_LANG_C_plus_plus.
9758 * config/t-darwin (crt3.o): Work around bug 26840.
9759 * config/darwin-crt3.c: Rewrite.
9760 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9762 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9764 * doc/invoke.texi: Document -femit-class-debug-always
9765 * common.opt: Add -femit-class-debug-always.
9767 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9769 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9770 index and base register.
9771 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9772 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9773 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9774 REGNO_OK_FOR_INDEX_P.
9775 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9777 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9778 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9779 REG_OK_FOR_BASE_P): Definitions removed.
9781 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9784 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9785 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9786 set yet or weren't marked as local yet.
9788 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9790 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9793 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9795 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9796 (rs6000_legitimate_small_data_p): Delete.
9797 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9798 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9799 and make static. Add forward declaration. Update uses.
9800 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9801 of offsettable_memref_p.
9802 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9803 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9805 2006-03-24 Jeff Law <law@redhat.com>
9807 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9808 around bug in immediate-use iterator.
9810 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9813 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9814 or __LITTLE_ENDIAN__.
9816 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9818 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9819 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9820 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9821 * config/sh/sh.opt (mdiv=): Amend description.
9822 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9823 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9824 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9825 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9826 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9827 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9828 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9829 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9830 TARGET_DIVIDE_CALL_FP.
9832 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9834 * haifa-sched.c (choose_ready): Fix type of the local variable.
9835 Move local variables. Add comment.
9836 (check_reg_live): Change signature. Make callable from debugger.
9837 * sched-int.h (check_reg_live): Update signature.
9838 * sched-ebb.c (check_reg_live): Update parameters.
9839 * sched-rgn.c (check_reg_live): Ditto.
9840 (region_head_or_leaf_p): Check pointer before dereferencing.
9841 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9842 before reload on optimization levels below 1.
9844 2006-03-23 Richard Henderson <rth@redhat.com>
9846 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9850 * config/alpha/predicates.md (local_symbolic_operand): Reject
9853 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9856 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9857 expressions which have overflowed constants.
9859 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9861 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9863 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9865 * cfgloopmanip.c (create_loop_notes): Removed.
9866 * final.c (final_scan_insn): Do not handle loop notes.
9867 * jump.c (squeeze_notes): Ditto.
9868 * cfglayout.c (skip_insns_after_block,
9869 duplicate_insn_chain): Ditto.
9870 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9872 * cfgloop.h (create_loop_notes): Declaration removed.
9874 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9876 * varasm.c (output_constant_pool): Restore fnname and fndecl
9878 (assemble_start_function): Adjust call accordingly.
9879 (assemble_end_function): Likewise.
9881 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9884 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9887 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9889 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9892 * system.h (ICE_EXIT_CODE): New macro.
9893 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9894 (diagnostic_action_after_output): Likewise.
9895 * gcc.c (fatal_ice): New function.
9896 (execute): Use it instead of fatal.
9897 (fancy_abort): Likewise.
9898 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9900 2006-03-22 Jeff Law <law@redhat.com>
9902 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9903 iv_analyze_result returning false.
9905 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9907 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9909 2006-03-22 Richard Henderson <rth@redhat.com>
9912 * except.c (duplicate_eh_regions_0): New.
9913 (duplicate_eh_region_1): Duplicate the children of the node as
9914 well as the node itself. Link them up properly.
9915 (duplicate_eh_region_2): Merge into ...
9916 (duplicate_eh_regions): ... here. Take copy_region argument, and
9917 copy only a sub-tree if asked. Simplify copying and fixup.
9918 (eh_region_outer_p): New.
9919 * except.h (duplicate_eh_regions): Update decl.
9920 (eh_region_outer_p): Declare.
9921 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9922 (lower_omp_master): Likewise.
9923 (lower_omp_ordered): Likewise.
9924 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9925 (move_stmt_r): Use it to remap labels. Handle recursion vs
9926 remap_decls_p properly.
9927 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9928 (find_outermost_region_in_block): New.
9929 (new_label_mapper): New.
9930 (move_sese_region_to_fn): Copy eh information to the new function
9932 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9934 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9937 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9939 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9940 into shared libraries.
9942 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9944 * doc/md.texi: Refer to i386/constraints.md instead of
9946 * config/i386/constraints.md: New file, extracted from...
9947 * config/i386/predicates.md: ...here.
9948 * config/i386/i386.md: Include constraints.md.
9950 2006-03-21 Jason Merrill <jason@redhat.com>
9952 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9955 * expr.c (init_block_move_fn): Force default visibility.
9956 (init_block_clear_fn): Likewise.
9957 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9958 * targhooks.c (default_external_stack_protect_fail): Likewise.
9960 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9962 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9963 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9964 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9965 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9966 (loadgp): Use mips_current_loadgp_style.
9967 (loadgp_noshared): New pattern.
9968 (sibcall_internal): Use MIPS_CALL.
9969 (sibcall_value_internal): Likewise.
9970 (sibcall_value_multiple_internal): Likewise.
9971 (call_internal): Likewise.
9972 (call_value_internal): Likewise.
9973 (call_value_multiple_internal): Likewise.
9974 (call_split): Use MIPS_CALL and add an 'S' constraint.
9975 (call_value_split): Likewise.
9976 (call_value_multiple_split): Likewise.
9977 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9978 (-mshared): New option.
9979 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9980 (mips_current_loadgp_style): Declare.
9981 * config/mips/mips.c (mips_classify_symbol): Avoid using
9982 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9983 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9984 TARGET_ABSOLUTE_ABICALLS.
9985 (override_options): Adjust comments. Improve the warning that is
9986 issued when -mabicalls and -G are used together.
9987 (mips_file_start): Remove comment.
9988 (mips_current_loadgp_style): New function.
9989 (mips_gnu_local_gp): New variable.
9990 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9992 (mips_output_function_prologue): Use mips_current_laodgp_style.
9993 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9994 the cprestore instruction.
9995 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9996 live for TARGET_ABSOLUTE_ABICALLS.
9997 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9998 (ASM_SPEC): Pass down -mshared and -mno-shared.
9999 (MIPS_CALL): New macro.
10000 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10002 * doc/invoke.texi (-mabicalls): Update documentation.
10003 (-mshared): Document.
10005 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10007 * config/ia64/unwind-hpux.c: New file.
10008 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10010 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10013 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10015 2006-03-21 Jeff Law <law@redhat.com>
10017 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10018 type conversions of a VR_VARYING source to a wider type.
10020 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10022 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10023 tm_file on Solaris 10 and later.
10024 (sparc64-*-solaris2*): Likewise.
10025 (sparc-*-solaris2*): Likewise.
10026 * config/sol26.h: Rename to config/sol2-6.h.
10027 * config/sol2-10.h: New file.
10029 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10032 * tree-ssa-pre.c (create_component_ref_by_pieces):
10035 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10038 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10039 return it immediately.
10041 2006-03-21 Michael Matz <matz@suse.de>
10043 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10045 (remove_arc, add_arc): Update num_out_arcs member.
10046 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10048 (cache_presence): New function.
10049 (compare_states_for_equiv): New function.
10050 (state_is_differed): Don't take number of outargs, adjust callers.
10051 Use new invariant for speeding up.
10052 (init_equiv_class): Create initial classes based on sorted
10054 (partition_equiv_class): Don't track out_arcs_num.
10055 (evaluate_equiv_classes): Call cache_presence on all states and
10058 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10060 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10061 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10062 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10063 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10065 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10066 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10067 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10068 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10069 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10071 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10072 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10073 (REGNO_REG_CLASS): ARGP is in PREGS.
10074 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10076 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10077 to deal with those addresses.
10078 * addresses.h: New file.
10079 * caller-save.c: Include "addresses.h".
10080 (init_caller_save): Use new base_reg_class function.
10081 * rtl-factoring.c: Include "addresses.h".
10082 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10083 * recog.c: Include "addresses.h".
10084 (preprocess_constraints): Use new base_reg_class function.
10085 * regrename.c: Include "addresses.h".
10086 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10087 functions. Keep track of a new var INDEX_CODE to compute valid
10089 (replace_oldest_value_addr): Likewise.
10090 (replace_oldest_value_mem): Use base_reg_class.
10091 * reload.c: Include "addresses.h".
10092 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10093 (find_reloads): Use new base_reg_class function.
10094 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10095 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10096 all callers and prototype changed.
10097 * reload1.c: Include "addresses.h".
10098 (maybe_fix_stack_asms): Use base_reg_class.
10099 * regclass.c: Include "addresses.h".
10100 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10101 (init_reg_autoinc): Use new base_reg_class function.
10102 (record_reg_classes): Likewise.
10103 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10104 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10105 Use new args to compute necessary class.
10107 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10108 regrename.o, rtl-factoring.o): Update dependencies.
10109 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10110 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10111 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10112 REG_OK_FOR_INDEX_P): Delete documentation.
10114 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10116 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10117 from V7 to V9 for Solaris 7 and above.
10119 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10121 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10122 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10123 argument pointers may not alias any other storage.
10124 * common.opt: Define option -fargument-noalias-anything.
10125 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10126 alias semantics is specified by flag_argument_noalias > 2.
10128 2006-03-20 Jeff Law <law@redhat.com>
10130 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10131 (pass_phi_only_cprop): Declare.
10132 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10133 with phi_only_cprop
10134 * tree-ssa-dom.c (degenerate_phi_result): New function.
10135 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10136 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10137 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10138 (eliminate_degenerate_phis): Likewise.
10139 (pass_phi_only_cprop): New pass descriptor.
10140 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10141 support code. Callers updated.
10142 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10143 (store_copy_prop): Likewise.
10144 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10146 2006-03-20 Jason Merrill <jason@redhat.com>
10149 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10150 (push_visibility, pop_visibility): Likewise.
10151 * c-pragma.h: Declare them.
10153 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10155 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10157 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10158 parameter and use get_ebb_head_tail.
10159 (sh_md_init_global): Adjust uses of find_regmode_weight.
10161 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10163 * function.h (struct function) <x_tail_recursion_reentry>:
10164 Rename to x_stack_check_probe_note.
10165 (tail_recursion_reentry): Rename to stack_check_probe_note.
10166 * function.c: Replace tail_recursion_reentry with
10167 stack_check_probe_note everywhere.
10168 (expand_function_start): Only emit a note for
10169 stack_check_probe_note with -fstack-protect.
10170 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10172 * emit-rtl.c (remove_unnecessary_notes): Remove.
10173 (pass_remove_unnecessary_notes): Remove.
10174 * rtl.h (remove_unnecessary_notes): Remove prototype.
10175 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10176 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10177 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10179 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10182 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10183 (valid_in_set): Handle ARRAY_REF.
10184 Change "if min_variant or VH" to asserts.
10185 (create_component_ref_by_pieces): Handle ARRAY_REF.
10186 (create_expression_by_pieces): Likewise.
10187 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10189 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10191 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10192 is operand of switch, not str[0].
10194 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10196 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10197 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10199 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10201 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10202 end of insn_extra_address_constraint declaration.
10204 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10206 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10207 (no-sum-in-toc): Same.
10208 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10210 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10211 NO_FP_IN_TOC for -fPIC instead of mask.
10213 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10214 (BOOT_LDFLAGS): Delete.
10216 * config/rs6000/t-aix52: Same.
10218 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10219 (stmsi[345678]_power): New.
10221 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10223 * config/ia64/ia64.opt: Add empty line to end of file.
10225 2006-03-17 Richard Guenther <rguenther@suse.de>
10227 PR middle-end/26721
10228 * builtins.c (get_pointer_alignment): For component style references
10229 adjust alignment to the component type alignment. Make sure
10230 to adjust alignment for component access of constants.
10232 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10234 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10235 unconditional jump.
10237 2006-03-17 Paul Brook <paul@codesourcery.com>
10239 * doc/install.texi: Docuemnt --with-mode.
10240 * config.gcc: Add --with-mode for arm*-*-*.
10241 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10243 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10245 * sh.c (max_labelno_before_reorg): New variable.
10246 (sh_reorg): Initialize it.
10247 (find_barrier): Check max_labelno_before_reorg before using
10248 label_to_alignment. Take length of explicit alignment insns
10249 into account. When seeing a UNSPECV_CONST_END, return it.
10251 * sh.c (fixup_mova): Set mode of affected label to QImode.
10252 (untangle_mova): New function.
10253 (find_barrier): Use it. Check mode of label before decrementing
10255 (sh_reorg): Likewise.
10256 Set mode of all insns back to VOIDmode.
10258 * sh.c (MOVA_LABELREF): New macro.
10259 (mova_p, fixup_mova, sh_reorg): Use it.
10260 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10261 ADDR_DIFF_VEC matches mova.
10263 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10265 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10266 with ATTRIBUTE_UNUSED.
10268 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10270 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10271 pointer, instead of assuming it is possible to derive the
10272 correct args size from a call insn.
10274 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10276 * rtl.h (CONST_INT_P): Define.
10277 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10278 instead of GET_CODE(x) == CONST_INT.
10279 (vax_rtx_costs): Likewise.
10280 (vax_output_int_move): Likewise.
10281 (vax_output_int_add): Likewise.
10282 (legitimate_constant_address_p): Likewise.
10283 (index_term_p): Likewise.
10284 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10285 * config/vax/vax.md (and<mode>3): Likewise.
10286 (ashrsi3): Likewise.
10288 (movstricthi): Likewise.
10289 (movstrictqi): Likewise.
10290 (rotrsi3): Likewise.
10291 (five unnamed insns): Likewise.
10293 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10295 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10296 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10297 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10298 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10299 Pass to ASM_OUTPUT_DWARF_OFFSET.
10300 * dwarf2out.c (debug_frame_section): New.
10301 (output_call_frame_info): Use debug_frame_section. Pass it to
10302 dw2_asm_output_offset.
10303 (output_die): Pass appropriate section to dw2_asm_output_offset.
10304 (output_compilation_unit_header): Likewise.
10305 (output_pubnames): Likewise.
10306 (output_aranges): Likewise.
10307 (enum dw_val_class): Break dw_val_class_lbl_offset into
10308 dw_val_class_lineptr and dw_val_class_macptr.
10309 (add_AT_lbl_offset): Delete.
10310 (add_AT_lineptr): New.
10311 (add_AT_macptr): New.
10312 (AT_lbl): Expect a lineptr or macptr.
10313 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10314 (attr_checksum): Likewise.
10315 (same_dw_val_p): Likewise.
10316 (size_of_die): Likewise.
10317 (value_format): Likewise.
10318 (output_die): Likewise.
10319 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10321 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10322 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10323 * config/darwin-protos.h (darwin_file_start): New.
10324 (darwin_asm_output_dwarf_offset): New.
10325 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10326 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10328 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10329 if not EH section; simplify.
10330 (darwin_file_start): New.
10331 (darwin_asm_output_dwarf_offset): New.
10332 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10334 (DEBUG_INFO_SECTION): Likewise.
10335 (DEBUG_ABBREV_SECTION): Likewise.
10336 (DEBUG_ARANGES_SECTION): Likewise.
10337 (DEBUG_MACINFO_SECTION): Likewise.
10338 (DEBUG_LINE_SECTION): Likewise.
10339 (DEBUG_LOC_SECTION): Likewise.
10340 (DEBUG_PUBNAMES_SECTION): Likewise.
10341 (DEBUG_STR_SECTION): Likewise.
10342 (DEBUG_RANGES_SECTION): Likewise.
10343 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10344 (ASM_OUTPUT_DWARF_OFFSET): New.
10346 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10348 * config.gcc (tm_defines): Always add to previous value rather
10351 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10353 * config/mips/predicates.md (splittable_const_int_operand): New,
10354 split from move_operand.
10355 (splittable_symbolic_operand): New.
10356 (move_operand): Add commentary. Use splittable_const_int_operand.
10357 Inline mips_atomic_symbolic_constant_p.
10358 * config/mips/mips.md: Add combine splitters for handling moves
10359 of splittable_const_int_operands and splittable_symbolic_operands.
10360 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10361 (mips_split_symbol): Declare.
10362 (mips_move_integer): Declare.
10363 * config/mips/mips.c (mips_split_p): Make global.
10364 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10365 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10366 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10367 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10368 (mips_offset_within_object_p): Handle block symbols.
10369 (mips_atomic_symbolic_constant_p): Delete.
10370 (mips_cannot_force_const_mem): Return false for constants that
10371 mips_legitimize_move can handle.
10372 (mips_use_blocks_for_constant_p): New function.
10373 (mips_split_symbol): Make global.
10374 (mips_move_integer): Likewise. Add a temporary register argument.
10375 (mips_legitimize_const_move): Use splittable_const_int_operand and
10376 splittable_symbolic_operand.
10377 (mips_use_anchors_for_symbol_p): New function.
10378 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10379 (mips_split_p): Declare.
10381 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10383 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10384 (mips*-*-linux*): Likewise.
10386 2006-03-16 Roger Sayle <roger@eyesopen.com>
10387 Daniel Speyer <dspeyer@wam.umd.edu>
10389 PR middle-end/18259
10390 * tree-dump.c (dump_real): New function.
10391 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10392 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10393 (tree-dump.o): Add $(REAL_H) to the dependencies.
10395 2006-03-16 Roger Sayle <roger@eyesopen.com>
10397 PR middle-end/21781
10398 * real.c (real_from_string): If the mantissa is zero, don't bother
10399 parsing the exponent as the result should always be zero.
10401 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10403 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10405 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10407 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10408 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10409 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10410 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10411 ia64_sched_finish_global): New static functions to implement
10412 hooks from gcc_target.sched.
10413 (spec_check_no, max_uid, pending_data_specs): New static variables.
10414 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10415 ia64_spec_check_src_p): New static functions.
10416 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10417 (TARGET_SCHED_ADJUST_COST): Removed.
10418 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10419 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10420 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10421 TARGET_SCHED_GEN_CHECK,
10422 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10423 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10424 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10425 Fixed to handle speculation checks.
10426 (rtx_needs_barrier): Fixed to handle speculative loads and
10428 (ia64_variable_issue): Added code to count speculative loads and their
10430 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10432 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10434 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10436 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10437 (ia64_reorg): Reset stops_p to NULL after it is freed.
10438 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10439 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10440 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10442 (data_speculative, control_speculative, check_load): New attributes.
10443 (mov<mode>_advanced, mov<mode>_speculative,
10444 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10445 zero_extend<mode>di2_speculative,
10446 zero_extend<mode>di2_speculative_advanced): New patterns for
10447 data and control speculative loads.
10448 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10450 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10451 New pattern for data and control speculation checks.
10452 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10453 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10454 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10455 Auxiliary definitions for the patterns.
10456 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10457 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10459 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10461 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10462 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10463 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10464 New resource constraints.
10465 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10467 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10468 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10469 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10470 msched-in-control-spec, msched-ldc, msched-control-ldc,
10471 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10472 msched-prefer-non-control-spec-insns,
10473 msched-count-spec-in-critical-path): New flags to tune speculative
10475 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10476 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10477 msched-in-control-spec, msched-ldc, msched-control-ldc,
10478 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10479 msched-prefer-non-control-spec-insns,
10480 msched-count-spec-in-critical-path): Document new flags.
10482 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10484 * target.h (struct spec_info_def): New opaque declaration.
10485 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10486 speculate_insn, needs_block_p, gen_check,
10487 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10488 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10489 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10490 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10491 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10492 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10494 (TARGET_SCHED): Use new macros.
10495 * rtl.h (copy_DEPS_LIST_list): New prototype.
10496 * sched-int.h (struct sched_info): Change signature of new_ready field,
10497 adjust all initializations. New fields: add_remove_insn,
10498 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10499 region_head_or_leaf_p.
10500 (struct spec_info_def): New structure declaration.
10501 (spec_info_t): New typedef.
10502 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10503 recovery_block, orig_pat.
10504 (glat_start, glat_end): New variables declaraions.
10505 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10507 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10508 DETACH_LIFE_INFO, USE_GLAT.
10509 (enum SPEC_SCHED_FLAGS): New enumeration.
10510 (NOTE_NOTE_BB_P): New macro.
10511 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10512 attach_life_info, debug_spec_status, check_reg_live): New functions.
10513 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10514 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10516 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10517 * ddg.c (get_block_head_tail): Adjust all uses.
10518 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10519 (sms_sched_info): Initialize new fields.
10520 (contributes_to_priority): Removed.
10521 * haifa-sched.c (params.h): New include.
10522 (get_block_head_tail): Adjust all uses.
10523 (ISSUE_POINTS): New macro.
10524 (glat_start, glat_end): New global variables.
10525 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10526 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10527 old_last_basic_block, before_recovery, current_sched_info_var,
10528 rgn_n_insns, luid): New static variables.
10529 (insn_cost1): New function. Move logic from insn_cost to here.
10530 (find_insn_reg_weight1): New function. Move logic from
10531 find_insn_reg_weight to here.
10532 (reemit_notes, move_insn, max_issue): Change signature.
10533 (move_insn1): Removed.
10534 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10535 extend_bb): New static functions to support extension of scheduler's
10537 (generate_recovery_code, process_insn_depend_be_in_spec,
10538 begin_speculative_block, add_to_speculative_block,
10539 init_before_recovery, create_recovery_block, create_check_block_twin,
10540 fix_recovery_deps): New static functions to support
10541 generation of recovery code.
10542 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10543 restore_bb_notes, move_block_after_check, move_succs): New static
10544 functions to support ebb scheduling.
10545 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10546 functions to support handling of register live information.
10547 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10548 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10549 add_jump_dependencies): New static functions.
10550 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10551 consistancy checking.
10552 (debug_spec_status): New function to call from debugger.
10553 (priority): Added code to handle speculation checks.
10554 (rank_for_schedule): Added code to distinguish speculative instructions.
10555 (schedule_insn): Added code to handle speculation checks.
10556 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10557 Fixed to handle ebbs.
10558 (move_insn): Added code to handle ebb scheduling.
10559 (max_issue): Added code to use ISSUE_POINTS of instructions.
10560 (choose_ready): Added code to choose between speculative and
10561 non-speculative instructions.
10562 (schedule_block): Added code to handle ebb scheduling and scheduling of
10563 speculative instructions.
10564 (sched_init): Initialize new variables.
10565 (sched_finish): Free new variables. Print statistics.
10566 (try_ready): Added code to handle speculative instructions.
10567 * lists.c (copy_DEPS_LIST_list): New function.
10568 * sched-deps.c (extend_dependency_caches): New function. Move logic
10569 from create_dependency_caches to here.
10570 (get_dep_weak, ds_merge): Make global.
10571 * genattr.c (main): Code to output prototype for
10572 dfa_clear_single_insn_cache.
10573 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10574 (output_dfa_clean_insn_cache_func): Code to output
10575 dfa_clear_single_insn_cache function.
10576 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10578 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10580 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10581 New static variables.
10582 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10583 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10585 (ebb_sched_info): Initialize new fields.
10586 (get_block_head_tail): Adjust all uses.
10587 (compute_jump_reg_dependencies): Fixed to use glat_start.
10588 (schedule_ebb): Code to remove unreachable last block.
10589 (schedule_ebbs): Added code to update register live information.
10590 * sched-rgn.c (region_sched_info): Initialize new fields.
10591 (get_block_head_tail): Adjust all uses.
10592 (last_was_jump): Removed. Adjust users.
10593 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10594 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10595 Implement new hooks.
10596 (check_dead_notes1): New static function.
10597 (struct region): New fields: dont_calc_deps, has_real_ebb.
10598 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10599 (BB_TO_BLOCK): Fixed to handle EBBs.
10600 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10601 (ebb_head): New static variable.
10602 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10603 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10605 (compute_dom_prob_ps): New assertion.
10606 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10607 global_live_at_start.
10608 (init_ready_list): New assertions.
10609 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10610 (new_ready): Add support for BEGIN_CONTROL speculation.
10611 (schedule_insns): Fixed code that updates register live information
10613 (schedule_region): Fixed to handle EBBs.
10614 (init_regions): Use extend_regions and check_dead_notes1.
10615 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10616 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10617 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10618 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10619 TARGET_SCHED_GEN_CHECK,
10620 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10621 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10622 * doc/invoke.texi (max-sched-insn-conflict-delay,
10623 sched-spec-prob-cutoff): Document.
10625 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10627 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10628 inter_tick, queue_index.
10629 (struct sched_info): Change signature of init_ready_list field.
10630 Adjust all initializations.
10631 (RESOLVED_DEPS): New access macro.
10632 (ready_add): Remove prototype.
10633 (try_ready): Add prototype.
10634 * sched-rgn.c (init_ready_list): Use try_ready.
10635 (schedule_region): Initialize
10636 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10637 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10638 (init_ready_list): Use try_ready.
10639 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10640 * lists.c (remove_list_elem): Remove `static'.
10641 (remove_free_INSN_LIST_elem): New function.
10642 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10643 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10644 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10646 (readyp): New variable.
10647 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10648 change_queue_index, resolve_dep): New static functions.
10649 (try_ready): New function. Adjust callers in sched-rgn.c and
10650 sched-ebb.c to use it instead of ready_add.
10651 (clock_var): Move at the begining of file.
10652 (rank_for_schedule): Fix typo.
10653 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10654 (ready_lastpos): Enforce assertion.
10655 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10656 update all callers.
10657 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10658 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10659 (queue_to_ready): Use free_INSN_LIST_list.
10660 (early_queue_to_ready): Fix typo.
10661 (schedule_block): Init readyp. Move init_ready_list call after the
10662 initialization of clock_var. Fix error in rejecting insn by
10663 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10664 that previously corrected INSN_TICKs. Add code for handling
10666 (set_priorities): Fix typo.
10667 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10668 Clarify comment and code that keeps current_sched_info->next_tail
10671 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10673 * sched-rgn.c (extend_rgns): New static function.
10674 (find_rgns): Use it.
10675 (gather_region_statistics, print_region_statistics): New static
10677 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10678 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10680 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10681 Andrey Belevantsev <abel@ispras.ru>
10683 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10684 * lists.c (unused_deps_list): New variable.
10685 (free_list): Add assertions to verify the proper distinguishing
10686 between INSN_LISTs and DEPS_LISTs.
10687 (find_list_elem, remove_list_elem, remove_list_node): New static
10689 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10690 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10691 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10692 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10694 (free_INSN_LIST_node): Likewise.
10695 * modulo-sched.c (current_sched_info): Initialize flags field.
10696 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10697 * rtl.def (DEPS_LIST): Define.
10698 * rtl.h: Declare new functions from lists.c.
10699 * sched-deps.c (spec_dependency_cache): New static variable.
10700 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10701 (add_dependence): Change return type to void. Move the logic to ...
10702 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10703 (delete_all_dependences): Add comment about forward_dependency_cache.
10704 Handle spec_dependency_cache. Handle DEPS_LISTs.
10705 (fixup_sched_groups): Clarify the change of priority of output
10706 and anti dependencies.
10707 (sched_analyze_2): Adjust add_dependence calls to create data
10708 speculative dependence.
10709 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10710 Adjust all callers. Handle DEPS_LISTS.
10711 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10712 presence of speculation.
10713 (init_dependency_caches, free_dependency_caches):
10714 Handle spec_dependency_cache.
10715 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10716 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10717 New static functions.
10718 (add_or_update_back_dep, add_or_update_back_forw_dep,
10719 add_back_forw_dep, delete_back_forw_dep): New functions.
10720 * sched-int.h (ds_t, dw_t): New typedefs.
10721 (struct sched_info): Add new field flags.
10722 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10723 Prototype new sched-deps.c functions.
10724 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10725 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10726 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10727 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10728 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10729 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10731 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10733 * sched-rgn.c (current_sched_info): Initialize flags field.
10734 (schedule_insns): Initialize current_sched_info before the sched_init
10736 * sched-ebb.c (current_sched_info): Initialize flags field.
10737 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10738 Call add_or_update_back_dep instead of add_dependence.
10739 Create control speculative dependencies.
10740 (schedule_insns): Initialize current_sched_info before the sched_init
10743 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10745 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10747 (sh_fallback_frame_state): Likewise.
10749 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10751 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10752 Do switch on default_use_cxa_atexit.
10753 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10754 * config/darwin-crt3.o: New.
10755 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10756 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10757 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10759 * config/rs6000/t-darwin: Move crt2.o building to here.
10760 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10761 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10764 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10766 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10767 from '! xxx' to '!xxx' for coding-style conformance.
10768 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10769 (EXTRA_CONSTRAINT): Likewise.
10770 * config/vax/vax.md (four unnamed insns): Likewise.
10772 2006-03-15 Paul Brook <paul@codesourcery.com>
10774 * config/arm/arm.c (minipool_pad): New.
10775 (add_minipool_forward_ref): Include pool alignment padding in address
10777 (push_minipool_fix): Set minipool_pad.
10778 (minipool_pad): Ditto.
10780 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10782 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10783 instead of GET_CODE() == MEM and REG_P() instead of
10785 (print_operand_address): Likewise.
10786 (vax_address_cost): Likewise.
10787 (vax_rtx_costs): Likewise.
10788 (vax_notice_update_cc): Likewise.
10789 (vax_output_int_add): Likewise.
10790 (INDEX_REGISTER_P): Likewise.
10791 (BASE_REGISTER_P): Likewise.
10792 (nonindexed_address_p): Likewise.
10793 (vax_mode_dependent_address_p): Likewise.
10794 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10795 (PRINT_OPERAND): Likewise.
10796 * config/vax/vax.md (ashlsi3): Likewise.
10797 (ashlsi3): Likewise.
10798 (some more unnamed insns): Likewise.
10800 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10802 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10803 iterator-style macro.
10804 (mark_control_dependent_edges_necessary): Update the use of
10805 EXECUTE_IF_CONTROL_DEPENDENT.
10807 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10809 * config/sh/predicates.md (cache_address_operand): Special.
10810 (ua_address_operand): Likewise.
10812 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10814 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10816 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10818 2006-03-15 Andreas Schwab <schwab@suse.de>
10820 * gensupport.c (identify_predicable_attribute): Don't free p_false
10821 when it is still in use.
10823 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10825 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10826 the default setting here.
10828 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10830 * tree-pass.h (pass_cfg): Remove.
10831 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10832 * passes.c (pass_cfg): Don't run it.
10834 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10836 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10837 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10839 (stack_regs_mentioned): Update the uses of
10840 stack_regs_mentioned_data. Don't access the array beyond its
10842 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10843 Don't include gt-reg-stack.h.
10845 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10846 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10848 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10850 PR middle-end/26684
10851 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10854 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10856 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10858 2006-03-14 Richard Guenther <rguenther@suse.de>
10860 PR tree-optimization/26672
10861 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10864 2006-03-14 Richard Guenther <rguenther@suse.de>
10866 PR tree-optimization/26667
10867 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10868 node for the callees. Always allow inlining if it will shrink
10871 2006-03-14 Richard Guenther <rguenther@suse.de>
10873 PR middle-end/26659
10874 * builtins.c (get_pointer_alignment): Prefer alignment
10875 information from decls over that from types.
10877 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10880 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10882 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10884 * config/rs6000/rs6000.opt (mdlmzb): New option.
10885 (msched-prolog, msched-epilog): Use Var not Mask.
10886 * doc/invoke.texi (-mdlmzb): Document.
10887 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10889 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10890 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10892 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10894 PR rtl-optimization/25739
10895 * bt-load.c (augment_live_range): Free tos pointer.
10897 * gensupport.c (identify_predicable_attribute): Free
10899 * gcov.c (create_file_names): Free name pointer.
10901 2006-03-13 Roger Sayle <roger@eyesopen.com>
10903 PR middle-end/26557
10904 * stmt.c (emit_case_nodes): Handle the case where the index is a
10905 CONST_INT, where the comparison mode is specified by the index type.
10907 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10909 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10912 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10914 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10915 (*branch_fp_inverted): Likewise.
10917 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10919 PR middle-end/25989
10920 * omp-low.c (expand_omp_for_generic): Mark istart0
10921 and iend0 as addressable.
10923 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10925 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10927 2006-03-13 Jeff Law <law@redhat.com>
10929 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10930 virtual operands are interesting.
10931 (vrp_visit_stmt): Corresponding changes.
10933 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10935 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10937 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10938 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10939 * config/bfin/crti.S: Use it instead of __PIC__.
10940 * config/bfin/crtn.S: Likewise.
10942 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10943 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10945 Lose 'G' modifier for call operand.
10946 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10947 recognize 'G' modifier.
10949 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10951 PR middle-end/18859
10952 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10953 * stmt.c (expand_case): Likewise.
10955 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10957 PR rtl-optimization/26254
10958 * loop-invariant.c (seq_insns_valid_p): New function.
10959 (move_invariant_reg): Only emit new code if it is valid.
10961 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10963 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10965 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10966 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10967 (commit_one_edge_insertion): Do not look for loop notes.
10969 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10971 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10972 flag_test_coverage out of loop.
10974 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10976 * final.c (shorten_branches): Remove outdated comment, and turn
10977 the if branch that guards it to continue.
10979 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10981 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10982 * cfgloop.h (struct loop): Remove unused fields.
10984 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10986 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10987 (-dL, -fdump-rtl-loop2): Update the dump file names
10989 * doc/invoke.texi: Update dump file names.
10991 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10993 * predict.c (estimate_probability): Remove.
10994 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10995 * basic-block.h (estimate_probability): Remove prototype.
10996 * passes.c (finish_optimization_passes): Dump branch prediction or
10997 profiling heuristics to the .profile tree dump.
10998 (init_optimization_passes): Unqueue pass_branch_prob.
11000 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11002 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11004 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11005 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11007 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11009 * function.h (frame_offset_overflow): Declare.
11010 * function.c (frame_offset_overflow): New function.
11011 (assign_stack_local_1): Call it to detect that the offset overflows.
11012 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11014 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11016 * config/sh/sh.c: Include alloc-pool.h.
11017 (label_ref_list_pool): New alloc pool.
11018 (label_ref_list_t): New type for lists of labels.
11019 (struct pool_node): Make wend a label_ref_list_t.
11020 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11022 (dump_table): Likewise.
11023 (sh_reorg): Set up the alloc pool before using add_constant and
11024 dump_table, and destroy it when finishing.
11026 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11028 * config/mips/mips.c: Remove redundant comment.
11030 2006-03-10 Jason Merrill <jason@redhat.com>
11033 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11034 the target was declared 'register'.
11036 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11038 * genpreds.c (write_insn_constraint_len): Change definition of
11039 insn_constraint_len to return size_t to match the declaration.
11041 2006-03-10 DJ Delorie <dj@redhat.com>
11043 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11045 (m32c_expand_insv): Fix test for an AND mask.
11047 2006-03-10 Richard Guenther <rguenther@suse.de>
11049 PR middle-end/26565
11050 * builtins.c (get_pointer_alignment): Handle component
11051 references for field alignment.
11053 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11055 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11056 when building with libgloss.
11057 (sh*elf): Implement --without-fp option.
11058 (sh64-superh-linux*): Don't multilib.
11060 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11062 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11064 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11066 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11067 Set it when one of the replacement functions returned true.
11068 Return TODO_cleanup_cfg if cfgchanged is true.
11069 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11071 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11073 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11074 instead of gen_lowpart.
11076 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11078 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11080 (mips_output_order_conditional_branch): Declare.
11081 * config/mips/mips.h (MIPS_BRANCH): New macro.
11082 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11083 for the comparison. Use gen_condjump.
11084 (mips_output_conditional_branch): Rework interface to take the
11085 asm templates for a direct branch and the inverse of a direct branch.
11086 (mips_output_order_conditional_branch): New function.
11087 (mips_builtin_branch_and_move): New function.
11088 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11089 branch condition. Use gen_single_cc as the condition for
11090 __builtin_mips_upper_* or __builtin_mips_lower_*.
11091 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11092 Use VOIDmode for the branch condition.
11093 * config/mips/predicates.md (order_operator): New predicate.
11094 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11095 (branch_fp): Rename to...
11096 (*branch_fp): ...this. Remove mode from comparison operator.
11097 Use new mips_output_conditional_branch interface.
11098 (branch_fp_inverted): Rename to...
11099 (*branch_fp_inverted): ...this and update as for *branch_fp.
11100 (*branch_zero<mode>): Rename to...
11101 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11102 Use mips_output_order_conditional_branch. Only accept ordered
11104 (*branch_zero<mode>_inverted): Rename to...
11105 (*branch_order<mode>_inverted): ...this and update as for
11106 *branch_order<mode>.
11107 (*branch_equality<mode>): Accept zero as the second operand to
11108 the equality operator. Use the new mips_output_conditional_branch
11110 (*branch_equality<mode>_inverted): Likewise.
11111 (condjump): New expander.
11112 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11114 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11115 (bc1any2t, bc1any2f): Likewise.
11116 (single_cc): New expander.
11117 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11119 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11121 * doc/md.texi: Update documentation of MIPS constraints.
11122 * config/mips/constraints.md: New file.
11123 * config/mips/mips.md: Include it.
11124 * config/mips/mips.c (mips_char_to_class): Delete.
11125 (override_options): Don't initialize mips_char_to_class.
11126 * config/mips/mips.h (mips_char_to_class): Delete.
11127 (REG_CLASS_FROM_LETTER): Delete.
11128 (CONST_OK_FOR_LETTER_P): Delete.
11129 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11130 (EXTRA_CONSTRAINT_Y): Delete.
11131 (EXTRA_CONSTRAINT_STR): Delete.
11132 (CONSTRAINT_LEN): Delete.
11133 (EXTRA_MEMORY_CONSTRAINT): Delete.
11135 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11137 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11138 original fn's eh regions.
11140 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11142 * fold-const.c (build_range_check): Make sure to use a valid type to
11143 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11146 (range_predecessor): New static function.
11147 (range_successor): Likewise.
11148 (merge_ranges): Use them to compute predecessors and successors of
11151 2006-03-09 Roger Sayle <roger@eyesopen.com>
11153 PR middle-end/26561
11154 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11155 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11157 2006-03-08 DJ Delorie <dj@redhat.com>
11159 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11160 (addpsi3): Expand to include memory operands. Remove
11161 reload-specific splits.
11162 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11163 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11164 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11165 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11166 (shift1_qi, shift1_hi, insv): New.
11167 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11168 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11169 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11171 * config/m32c/m32c-protos.h: Update as needed.
11172 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11173 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11174 Fail for unrecognized R* constraints.
11175 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11176 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11177 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11179 (m32c_init_libfuncs): New.
11180 (m32c_legitimate_address_p): Add debug wrapper.
11181 (m32c_rtx_costs): New.
11182 (m32c_address_cost): New.
11183 (conversions): Add 'B' prefix.
11184 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11185 operands, or word regnames for QI operands. 'B' prints bit
11187 (m32c_expand_setmemhi): New.
11188 (m32c_expand_movmemhi): New.
11189 (m32c_expand_movstr): New.
11190 (m32c_expand_cmpstr): New.
11191 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11192 (m32c_expand_neg_mulpsi3): Handle non-ints.
11193 (m32c_cmp_flg_0): New.
11194 (m32c_expand_movcc): New.
11195 (m32c_expand_insv): New.
11196 (m32c_scc_pattern): New.
11197 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11198 a0/a1 out of SIregs.
11199 (STORE_FLAG_VALUE): New.
11200 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11203 * config/m32c/mov.md: Make constraints more liberal.
11204 (zero_extendqihi2): Optimize r0/r1 case.
11205 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11206 * config/m32c/predicates.md (m32c_any_operand): New.
11207 (m32c_nonimmediate_operand): New.
11208 (m32c_hl_operand): New.
11209 (m32c_r3_operand): New.
11212 (memsym_operand): New.
11213 (memimmed_operand): New.
11214 (a_qi_operand): New.
11215 (m32c_eqne_operator): New.
11216 (m32c_1bit8_operand): New.
11217 (m32c_1bit16_operand): New.
11218 (m32c_1mask8_operand): New.
11219 (m32c_1mask16_operand): New.
11220 * config/m32c/blkmov.md: New file.
11221 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11223 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11225 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11226 unsigned to fix signed/unsigned comparison issue in
11227 DWARF2_FRAME_REG_OUT.
11228 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11229 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11231 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11232 of ptr into the ENABLE_CHECKING section.
11234 2006-03-08 Jeff Law <law@redhat.com>
11236 * tree-vrp.c (infer_value_range): Only count pointer uses
11237 and dereferences if -fdelete-null-pointer-checks is enabled.
11239 * tree-vrp.c (find_assert_locations): Infer value ranges for
11240 single use pointers, but do not create ASSERT_EXPRs for them.
11241 When a non-null range is inferred for a pointer, backwards
11242 propagate that range to other equivalent pointers through the
11245 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11248 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11249 language hook targets.
11250 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11251 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11252 if language hook targets were missing.
11254 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11256 * tree-ssa-opfinalize.h: Removed.
11257 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11259 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11260 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11261 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11262 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11263 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11264 finalize_ssa_v_must_def_ops): New.
11266 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11268 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11269 block as parameter.
11271 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11273 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11275 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11276 addresses with offsets; reorganize.
11278 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11279 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11280 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11282 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11285 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11287 2006-03-08 Ben Elliston <bje@au.ibm.com>
11289 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11291 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11294 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11297 2006-03-07 Richard Guenther <rguenther@suse.de>
11299 PR tree-optimization/26587
11300 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11302 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11304 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11306 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11308 * hooks.c (hook_bool_mode_rtx_true): New function.
11309 * hooks.h (hook_bool_mode_rtx_true): Declare.
11310 * toplev.c (compile_file): Call output_shared_constant_pool.
11311 * varasm.c (shared_constant_pool): New variable.
11312 (assemble_start_function, assemble_end_function): Remove arguments
11313 from call to output_constant_pool.
11314 (create_constant_pool): New function, split out from...
11315 (init_varasm_status): ...here.
11316 (force_const_mem): Choose between the shared and per-function constant
11317 pools. Set current_function_uses_const_pool when reusing old entries
11318 as well as when creating new ones.
11319 (mark_constant): Ignore data argument.
11320 (mark_constants): Remove pool argument.
11321 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11322 to decide whether the function uses a constant pool.
11323 (output_constant_pool_contents): New function, split out from...
11324 (output_constant_pool): ...here.
11325 (output_shared_constant_pool): New function.
11326 (init_varasm_once): Initialize shared_constant_pool.
11327 * output.h (output_constant_pool): Delete.
11328 (output_shared_constant_pool): Declare.
11329 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11330 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11332 2006-03-06 Nick Clifton <nickc@redhat.com>
11334 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11335 flag_strength_reduce.
11337 2006-03-06 Ben Elliston <bje@au.ibm.com>
11339 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11340 x86_64-*-linux* configurations.
11342 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11343 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11345 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11347 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11349 * basic-block.h: Remove the extern for
11350 rediscover_loops_after_threading.
11352 * cfgloop.c (cancel_loop): Make it static.
11353 * cfgloop.h: Remove the prototype for cancel_loop.
11355 * flow.c (recompute_reg_usage): Make it static.
11356 * rtl.h: Remove the prototype for recompute_reg_usage.
11358 * function.c (use_return_register): Make it static.
11359 * function.h: Remove the prototype.
11361 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11363 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11365 * recog.h: Remove the prototype for
11366 validate_change_maybe_volatile.
11368 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11370 * rtlanal.c (replace_reg): Remove.
11371 * rtl.h: Remove the prototype for replace_reg.
11373 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11375 * regclass.c (reg_scan_update): Remove.
11376 (reg_scan_mark_refs): Remove the last argument.
11377 * rtl.h: Remove the prototype for reg_scan_update.
11379 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11381 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11382 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11383 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11384 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11385 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11386 loop-invariant.c, omp-low.c, opts.c, passes.c,
11387 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11388 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11389 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11390 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11391 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11392 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11394 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11396 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11397 * dwarf2out.h: Remove the prototype for
11398 dwarf2out_add_library_unit_info.
11400 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11402 * tree.c (add_var_to_bind_expr): Remove.
11403 * tree.h: Remove the prototype for add_var_to_bind_expr.
11405 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11407 * regclass.c (n_non_fixed_regs): Remove.
11408 (init_reg_sets_1, globalize_reg): Remove all uses of
11410 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11412 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11414 * rtlanal.c (insns_safe_to_move_p): Remove.
11415 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11417 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11419 * expmed.c (expand_mult_add): Remove.
11420 * expr.h: Remove the prototype for expand_mult_add.
11422 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11424 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11425 and REG_SAVED_VAL_EXP constants.
11426 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11427 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11428 Handle regs stored by value.
11429 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11430 (execute_cfa_program): Handle DW_CFA_val_offset,
11431 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11432 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11433 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11434 (uw_install_context_1): Handle target regs stored by value.
11436 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11438 * tree-sra.c (tree_sra): Return todoflags;
11439 (generate_one_element): Set TODO_update_smt_usage if needed.
11440 (pass_sra): Remove TODO_update_smt_usage.
11441 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11443 (tree_ssa_forward_propagate_single_use_vars): Return
11444 TODO_update_smt_usage if we need to update SMT usage.
11445 (pass_forwprop): Remove TODO_update_smt_usage.
11447 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11449 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11450 (correct_use_link): Remove reference to get_stmt_operands.
11451 (update_stmt_operands): Likewise.
11452 (get_modify_expr_operands): New function factored out of
11453 parse_ssa_operands and get_expr_operands.
11454 Try to create V_MUST_DEFs for LHS by default.
11455 (get_expr_operands) <case MODIFY_EXPR>: Call
11456 get_modify_expr_operands.
11457 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11458 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11459 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11460 get_modify_expr_operands.
11462 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11464 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11465 * tree-flow.h: Remove the prototype for
11466 referenced_var_lookup_if_exists.
11468 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11470 PR rtl-optimization/26345
11472 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11474 2006-03-03 Roger Sayle <roger@eyesopen.com>
11476 PR tree-optimization/26524
11477 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11478 fold_convert to create a constant of the appropriate type.
11480 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11482 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11483 SYMBOL_REF_IN_BLOCK_P.
11484 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11485 of SYMBOL_FLAG_IN_BLOCK.
11486 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11487 instead of SYMBOL_REF_IN_BLOCK_P.
11488 * explow.c (use_anchored_address): Likewise.
11489 * rtl.c (rtx_size): Likewise.
11490 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11491 instead of SYMBOL_FLAG_IN_BLOCK.
11492 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11493 SYMBOL_REF_IN_BLOCK_P.
11494 (assemble_variable): Likewise.
11495 (output_constant_def_contents): Likewise.
11496 (output_constant_pool): Likewise.
11497 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11498 instead of SYMBOL_FLAG_IN_BLOCK.
11499 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11500 SYMBOL_REF_IN_BLOCK_P.
11501 (SYMBOL_REF_BLOCK): Likewise.
11502 (SYMBOL_REF_OFFSET): Likewise.
11503 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11504 SYMBOL_REF_IN_BLOCK_P.
11505 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11506 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11507 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11508 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11510 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11512 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11514 2006-03-02 Roger Sayle <roger@eyesopen.com>
11516 * simplify-rtx.c (simplify_unary_operation): When simplifying
11517 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11518 that we perform the right shift in the appropriate mode, and
11519 then extend or truncate the result to requested mode.
11521 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11523 * gengtype.c (main): Handle double_int type.
11524 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11525 * double-int.c: New file.
11526 * double-int.h: New file.
11527 * system.h: Include doubleint.h.
11528 * Makefile.in (SYSTEM_H): Include double-int.h.
11529 (double-int.o): Add.
11531 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11534 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11537 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11539 * tree-vrp.c (remove_range_assertions): Do not update statements
11542 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11544 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11546 * gcse.c (rest_of_handle_gcse): Ditto.
11547 * except.c (gate_handle_eh): Ditto.
11548 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11549 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11551 2006-03-02 Eric Christopher <echristo@apple.com>
11553 * config/i386/i386.c (machopic_output_stub): Add indirection to
11556 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11560 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11562 Sun Niagara specific optimizations.
11563 * config.gcc: Recognize niagara as target.
11564 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11565 (TARGET_CPU_niagara): Define.
11566 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11567 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11568 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11569 (ASM_CPU_SPEC): Likewise.
11570 (PROCESSOR_NIAGARA): New enum entry.
11571 (REGISTER_MOVE_COST): Handle Niagara.
11572 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11573 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11574 (sparc_override_options): Recognize "niagara", set appropriate
11575 default MASK_* values for it, and align functions to 32-bytes
11576 by default just like ULTRASPARC/ULTRASPARC3.
11577 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11578 (sparc64_initialize_trampoline): Likewise.
11579 (sparc_use_sched_lookahead): Use zero for niagara.
11580 (sparc_issue_rate): Use one for niagara.
11581 * config/sparc/niagara.md: New file.
11582 * config/sparc/sparc.md: Include it.
11583 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11584 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11585 when default cpu is niagara.
11586 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11587 (ASM_CPU_SPEC): Likewise.
11588 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11589 when default cpu is niagara.
11590 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11591 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11592 just like v9/ultrasparc/ultrasparc3.
11593 * doc/invoke.texi: Add documentation for "niagara" and improve
11594 existing documentation for ultrasparc variants.
11596 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11598 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11600 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11602 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11603 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11604 and say that only one is needed.
11605 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11606 * target.h (have_switchable_bss_sections): New hook.
11607 * explow.c (use_anchored_address): Check that the symbol is in a block.
11608 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11609 (bss_noswitch_section): New variables.
11610 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11611 (get_noswitch_section): New function.
11612 (get_block_for_section): Allow SECT to be null.
11613 (unlikely_text_section_p): Use SECTION_STYLE.
11614 (bss_initializer_p): New function.
11615 (get_variable_section): Move earlier in file. Take a new argument,
11616 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11617 Return one of the new *_sections in such cases.
11618 (get_block_for_decl): New function, extracting some logic from
11619 use_blocks_for_decl_p.
11620 (change_symbol_section): Remove in favor of...
11621 (change_symbol_block): ...this new function.
11622 (use_blocks_for_decl_p): Remove checks now performed by
11623 get_block_for_decl.
11624 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11625 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11626 (emit_local, emit_bss, emit_common): ...these new functions.
11627 Return true if the alignment was honored.
11628 (emit_tls_common): New function.
11629 (asm_emit_uninitialised): Delete.
11630 (assemble_variable_noswitch): New function, split out from...
11631 (assemble_variable): ...here. Don't make decisions about common
11632 variables here. Globalize all public decls that go into non-common
11633 sections. Check whether SYMBOL_REF_BLOCK is null.
11634 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11635 (output_constant_pool): Likewise.
11636 (init_varasm_once): Initialize the new section variables.
11637 (have_global_bss_p): New function.
11638 (categorize_decl_for_section): Use bss_initializer_p.
11639 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11640 (place_block_symbol): Assert that the symbol must be in a block.
11641 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11642 (TARGET_INITIALIZER): Include it.
11643 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11644 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11645 (SECTION_MACH_DEP): Bump by two.
11646 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11647 (unnamed_section): Mention SECTION_UNNAMED in comment.
11648 (named_section): Likewise SECTION_NAMED.
11649 (noswitch_section_callback): New type.
11650 (noswitch_section): New structure.
11651 (section): Add a noswitch_section alternative.
11652 (SECTION_STYLE): New macro.
11653 (tls_comm_section, comm_section, lcomm_section): Declare.
11654 (bss_noswitch_section, have_global_bss_p): Declare.
11655 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11656 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11658 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11659 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11662 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11664 * tree-vrp.c (execute_vrp): Return value.
11665 * regrename.c (rest_of_handle_regrename): Ditto.
11666 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11667 * tree-complex.c (tree_lower_complex): Ditto.
11668 (tree_lower_complex_O0): Ditto.
11669 * tracer.c (rest_of_handle_tracer): Ditto.
11670 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11671 * postreload.c (rest_of_handle_postreload): Ditto.
11672 * tree-tailcall.c (execute_tail_recursion): Ditto.
11673 (execute_tail_calls): Ditto.
11674 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11675 * tree.h (init_function_for_compilation): Ditto.
11676 * ipa-cp.c (ipcp_driver): Ditto.
11677 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11678 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11679 * final.c (compute_alignments): Ditto.
11680 (rest_of_handle_final): Ditto.
11681 (rest_of_handle_shorten_branches): Ditto.
11682 (rest_of_clean_state): Ditto.
11683 * omp-low.c (execute_expand_omp): Ditto.
11684 (execute_lower_omp): Ditto.
11685 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11686 * ipa-reference.c (static_execute): Ditto.
11687 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11688 * reorg.c (rest_of_handle_delay_slots): Ditto.
11689 (rest_of_handle_machine_reorg): Ditto.
11690 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11691 * flow.c (recompute_reg_usage): Ditto.
11692 (rest_of_handle_remove_death_notes): Ditto.
11693 (rest_of_handle_life): Ditto.
11694 (rest_of_handle_flow2): Ditto.
11695 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11696 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11697 (do_ssa_store_ccp): Ditto.
11698 (execute_fold_all_builtins): Ditto.
11699 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11700 * modulo-sched.c (rest_of_handle_sms): Ditto.
11701 * ipa-pure-const.c (static_execute): Ditto.
11702 * cse.c (rest_of_handle_cse): Ditto.
11703 (rest_of_handle_cse2): Ditto.
11704 * web.c (rest_of_handle_web): Ditto.
11705 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11706 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11707 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11708 * tree-nrv.c (tree_nrv): Ditto.
11709 (execute_return_slot_opt): Ditto.
11710 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11711 (create_structure_vars): Ditto.
11712 * loop-init.c (rtl_loop_init): Ditto.
11713 (rtl_loop_done): Ditto.
11714 (rtl_move_loop_invariants): Ditto.
11715 (rtl_unswitch): Ditto.
11716 (rtl_unroll_and_peel_loops): Ditto.
11717 (rtl_doloop): Ditto.
11718 * gimple-low.c (lower_function_body): Ditto.
11719 (mark_used_blocks): Ditto.
11720 * tree-ssa-sink.c (execute_sink_code): Ditto.
11721 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11722 (cgraph_early_inlining): Ditto.
11723 * global.c (rest_of_handle_global_alloc): Ditto.
11724 * jump.c (cleanup_barriers): Ditto.
11725 (purge_line_number_notes): Ditto.
11726 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11727 (rest_of_handle_if_after_reload): Ditto.
11728 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11729 (tree_ssa_loop_im): Ditto.
11730 (tree_ssa_loop_unswitch): Ditto.
11731 (tree_vectorize): Ditto.
11732 (tree_linear_transform): Ditto.
11733 (tree_ssa_loop_ivcanon): Ditto.
11734 (tree_ssa_empty_loop): Ditto.
11735 (tree_ssa_loop_bounds): Ditto.
11736 (tree_complete_unroll): Ditto.
11737 (tree_ssa_loop_prefetch): Ditto.
11738 (tree_ssa_loop_ivopts): Ditto.
11739 (tree_ssa_loop_done): Ditto.
11740 * predict.c (tree_estimate_probability): Ditto.
11741 * recog.c (split_all_insns_noflow): Ditto.
11742 (rest_of_handle_peephole2): Ditto.
11743 (rest_of_handle_split_all_insns): Ditto.
11744 * tree-eh.c (lower_eh_constructs): Ditto.
11745 * regmove.c (rest_of_handle_regmove): Ditto.
11746 (rest_of_handle_stack_adjustments): Ditto.
11747 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11748 * function.c (instantiate_virtual_regs): Ditto.
11749 (init_function_for_compilation): Ditto.
11750 (rest_of_handle_check_leaf_regs): Ditto.
11751 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11752 (rest_of_handle_gcse): Ditto.
11753 * ipa-type-escape.c (type_escape_execute): Ditto.
11754 * alias.c (rest_of_handle_cfg): Ditto.
11755 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11756 * profile.c (rest_of_handle_branch_prob): Ditto.
11757 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11758 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11759 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11760 * tree-dfa.c (find_referenced_vars): Ditto.
11761 * except.c (set_nothrow_function_flags): Ditto.
11762 (convert_to_eh_region_ranges): Ditto.
11763 (rest_of_handle_eh): Ditto.
11764 * emit-rtl.c (unshare_all_rtl): Ditto.
11765 (remove_unnecessary_notes): Ditto.
11766 * except.h (set_nothrow_function_flags): Ditto.
11767 (convert_to_eh_region_ranges): Ditto.
11768 * cfgexpand.c (tree_expand_cfg): Ditto.
11769 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11770 * tree-ssa-pre.c (do_pre): Ditto.
11771 (execute_fre): Ditto.
11772 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11773 (rest_of_handle_jump2): Ditto.
11774 * tree-sra.c (tree_sra): Ditto.
11775 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11776 (execute_mudflap_function_decls): Ditto.
11777 * tree-ssa-copy.c (do_copy_prop): Ditto.
11778 (do_store_copy_prop): Ditto.
11779 * ipa-prop.h (ipcp_driver): Ditto.
11780 * cfglayout.c (insn_locators_initialize): Ditto.
11781 * tree-ssa-forwprop.c
11782 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11783 * cfglayout.h (insn_locators_initialize): Ditto.
11784 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11785 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11786 (execute_late_warn_uninitialized): Ditto.
11787 * rtl.h (cleanup_barriers): Ditto.
11788 (split_all_insns_noflow): Ditto.
11789 (purge_line_number_notes): Ditto.
11790 (unshare_all_rtl): Ditto.
11791 (remove_unnecessary_notes): Ditto.
11792 (recompute_reg_usage): Ditto.
11793 (variable_tracking_main): Ditto.
11794 * integrate.c (emit_initial_value_sets): Ditto.
11795 * integrate.h (emit_initial_value_sets): Ditto.
11796 * tree-optimize.c (execute_free_datastructures): Ditto
11797 (execute_free_cfg_annotations): Ditto.
11798 (execute_fixup_cfg): Ditto.
11799 (execute_cleanup_cfg_pre_ipa): Ditto.
11800 (execute_cleanup_cfg_post_optimizing): Ditto.
11801 (execute_init_datastructures): Ditto.
11802 * tree-object-size.c (compute_object_sizes): Ditto.
11803 * combine.c (rest_of_handle_combine): Ditto.
11804 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11805 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11806 (rest_of_handle_reorder_blocks): Ditto.
11807 (rest_of_handle_partition_blocks): Ditto.
11808 * var-tracking.c (variable_tracking_main): Ditto.
11809 * tree-profile.c (tree_profiling): Ditto.
11810 * tree-vect-generic.c (expand_vector_operations): Ditto.
11811 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11812 * sched-rgn.c (rest_of_handle_sched): Ditto.
11813 (rest_of_handle_sched2): Ditto.
11814 * basic-block.h (free_bb_insn): Ditto.
11815 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11816 * tree-cfg.c (execute_build_cfg): Ditto.
11817 (remove_useless_stmts): Ditto.
11818 (split_critical_edges): Ditto.
11819 (execute_warn_function_return): Ditto.
11820 (execute_warn_function_noreturn): Ditto.
11821 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11822 * cfgrtl.c (free_bb_for_insn): Ditto.
11823 * passes.c (execute_one_pass): Run additional
11824 todos returned by execute function.
11825 * tree-pass.h (struct tree_opt_pass): Make execute
11828 2006-03-02 Richard Guenther <rguenther@suse.de>
11830 * tree-ssa-alias.c (find_used_portions): Consider taking
11831 the address as making the variable not write-only.
11833 2006-03-02 Nick Clifton <nickc@redhat.com>
11835 * config.gcc (default_use_cxa_atexit): Extend the description of
11836 this configure variable. Set its default value to "yes" for
11837 Linux, NetBSD and ELF targets on the assumption that they will
11838 use C libraries with the __cxa_atexit function.
11840 2006-03-02 Ben Elliston <bje@au.ibm.com>
11842 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11843 parameter as unused to suppress a build warning.
11845 2006-03-02 Ben Elliston <bje@au.ibm.com>
11847 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11850 2006-03-01 Roger Sayle <roger@eyesopen.com>
11853 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11854 declared name, the weak reference name, and the typeof name.
11855 (__gthrw): Avoid expanding the declared name suffix.
11856 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11858 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11860 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11862 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11863 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11864 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11865 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11866 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11867 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11868 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11869 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11870 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11871 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11872 (DW_END_default, DW_END_big, DW_END_little): New.
11873 (DW_END_lo_user, DW_END_hi_user): Define.
11874 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11875 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11876 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11879 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11881 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11883 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11885 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11887 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11889 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11890 to 'symbol_mem_tag'.
11892 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11895 2006-03-01 Roger Sayle <roger@eyesopen.com>
11897 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11899 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11902 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11903 MACHO_DYNAMIC_NO_PIC_P.
11904 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11906 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11909 * config/darwin-protos.h (darwin_asm_output_anchor):
11911 * config/darwin-sections.def (cstring_section):
11912 Add SECTION_MERGE to the flags.
11913 (literal4_section): Likewise.
11914 (literal8_section): Likewise.
11915 (objc_selector_refs_section): Likewise.
11916 (objc_cls_refs_section): Likewise.
11917 * config/darwin.c (darwin_asm_output_anchor): New
11919 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11921 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11923 Fix PR tree-optimization/26443
11924 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11925 to todo and PROP_tmt_usage to properties_destroyed.
11926 * tree-ssa-ccp.c (pass_ccp): Ditto.
11927 (pass_store_ccp): Ditto.
11928 * tree-ssa-dom.c (pass_dominator): Ditto.
11930 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11932 * tree-ssa-operands.c: Cleanup whitespace.
11933 (get_asm_expr_operands): Move before first invocation.
11934 (get_indirect_ref_operands): Likewise.
11935 (get_tmr_operands): Likewise.
11936 (get_call_expr_operands): Likewise.
11937 (append_def): Likewise.
11938 (append_use): Likewise.
11939 (append_v_may_def): Likewise.
11940 (append_v_must_def): Likewise.
11941 (add_call_clobber_ops): Likewise.
11942 (add_call_read_ops): Likewise.
11943 (add_stmt_operand): Likewise.
11944 (add_virtual_operand): Likewise.
11945 (build_ssa_operands): Likewise.
11947 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11949 PR middle-end/26022
11951 PR middle-end/24437
11952 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11953 with a call expr to ...
11954 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11956 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11958 * tree-vrp.c (extract_range_from_assert): Remove special
11959 handling for types with super-types.
11961 2006-03-01 Ben Elliston <bje@au.ibm.com>
11963 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11964 and powerpc64-*-linux* configurations.
11965 * config/t-dfprules: New file.
11967 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11968 Compile dfp-bit.c from the source directory using -DWIDTH and
11969 $DFP_CFLAGS to control the compilation of that file, rather than
11970 generating width-specific versions in the build directory.
11971 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11972 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11974 2006-02-28 Zack Weinberg <zackw@panix.com>
11976 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11979 2006-02-28 Eric Christopher <echristo@apple.com>
11981 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11982 Set up IN_LIBGCC definition of TARGET_64BIT.
11983 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11985 2006-02-28 Roger Sayle <roger@eyesopen.com>
11987 PR middle-end/14752
11988 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11989 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11990 cases via the construction of "expr != 0".
11992 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11994 * alias.c (alias_invariant, alias_invariant_size): Remove.
11995 (record_base_value): Remove.
11996 (memrefs_conflict_p): Don't look at alias_invariant.
11997 (end_alias_analysis): Don't free it.
11998 * alias.h (record_base_value): Remove prototype.
12000 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12001 Adam Nemet <anemet@caviumnetworks.com>
12003 * rtl.h (truncated_to_mode): Declare it.
12004 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12005 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12006 (RTL_HOOKS_INITIALIZER): Include it.
12007 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12008 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12009 reg_truncated_to_mode.
12010 * rtlanal.c (truncated_to_mode): Define it.
12011 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12013 2006-02-28 Jeff Law <law@redhat.com>
12015 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12016 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12017 the range allowed by TYPE_PRECISION.
12019 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12021 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12023 PR tree-optimization/26419
12024 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12027 2006-02-27 Zack Weinberg <zackw@panix.com>
12029 * doc/md.texi: Fix typo in previous change.
12031 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12035 2006-02-27 Zack Weinberg <zackw@panix.com>
12037 * rtl.def (define_constraint, define_register_constraint)
12038 (define_memory_constraint, define_address_constraint): New MD forms.
12039 * gensupport.c (process_rtx): Put define_constraint etc on the
12041 * genpreds.c (process_define_predicate): Adjust comment. Validate
12042 the name, and call validate_exp to validate the expression.
12043 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12044 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12045 all callers changed.
12046 (validate_exp, needs_variable, struct constraint_data)
12047 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12048 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12049 (const_dbl_constraints, constraint_max_namelen)
12050 (have_register_constraints, have_memory_constraints)
12051 (have_address_constraints, have_address_constraints)
12052 (have_extra_constraints, have_const_int_constraints)
12053 (have_const_dbl_constraints, mangle, add_constraint)
12054 (process_define_constraint, process_define_register_constraint)
12055 (write_enum_constraint_num, write_lookup_constraint)
12056 (write_insn_constraint_len, write_regclass_for_constraint)
12057 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12058 (write_insn_extra_memory_constraint)
12059 (write_insn_extra_address_constraint)
12060 (write_satisfies_constraint_fns): New.
12061 (write_tm_preds_h): If we have new-style constraint definitions,
12062 prototype the functions generated from them, and define the
12063 old constraint interface (still used by generic code) in terms of
12065 (write_insn_preds_c): If we have new-style constraint definitions,
12066 generate all relevant functions from those definitions.
12067 (main): Handle define_constraint etc.
12068 * genoutput.c (struct constraint_data, indep_constraints)
12069 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12070 (mdep_constraint_len): New data structures and functions, defined
12071 #ifdef USE_MD_CONSTRAINTS.
12072 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12073 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12074 use new logic to validate operand constraints against constraint
12076 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12078 * defaults.h: If none of the old-style constraint macros are
12079 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12080 old-style macros; and poison REG_CLASS_FROM_LETTER,
12081 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12083 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12084 * doc/md.texi: Document new constraint-definition mechanism and the
12085 C interface it provides. Remove references to old mechanism
12086 elsewhere in the document.
12087 (Machine Constraints): Use pathnames relative to gcc directory,
12088 i.e. config/ARCH/FILE. Change i386 section to refer to
12089 config/i386/predicates.md; update that section to match docstrings.
12090 * doc/tm.texi: Move all documentation of the old constraint-
12091 definition macros to their own section, clearly mark as obsolete.
12093 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12094 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12096 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12097 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12098 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12099 constraint strings.
12100 (splits and peepholes): Use satisfies_constraint_*.
12101 * config/i386/i386.c (memory_address_length)
12102 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12104 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12106 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12107 scalar operation to be put back into the loop.
12109 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12112 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12113 (extract_cie_info): Handle S flag in augmentation string.
12114 (execute_cfa_program): If context->signal_frame, execute also
12115 fs->pc == context->ra instructions.
12116 (uw_frame_state_for): If context->signal_frame, don't subtract one
12117 from context->ra to find FDE.
12118 (uw_update_context_1): Set context->signal_frame to
12120 (_Unwind_GetIPInfo): New function.
12121 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12122 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12124 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12125 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12126 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12127 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12128 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12129 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12130 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12131 x86_64_fallback_frame_state): Set fs->signal_frame.
12132 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12133 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12134 (frob_update_context): Likewise. Workaround missing S flag in
12135 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12136 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12137 Remove the psw_addr + 1 hack.
12139 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12141 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12142 with aggregates here.
12143 (find_func_aliases): Remove code for &<aggregate> from here.
12145 2006-02-26 Roger Sayle <roger@eyesopen.com>
12147 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12148 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12149 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12150 as (X & C) ne/eq 0.
12152 2006-02-26 Roger Sayle <roger@eyesopen.com>
12154 PR middle-end/19983
12155 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12157 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12159 * opts.c (decode_options): Do not handle flag_strength_reduce.
12160 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12161 and OPT_fstrength_reduce.
12162 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12163 flag_prefetch_loop_arrays for being nonzero.
12164 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12166 (fprefetch-loop-arrays-rtl): Removed.
12167 (flag_prefetch_loop_arrays): Do not specify the value.
12169 * doc/passes.texi: Update documentation of loop optimizer
12171 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12172 -frerun-loop-opt): Remove.
12174 2006-02-26 Richard Guenther <rguenther@suse.de>
12176 PR tree-optimization/26421
12177 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12178 in function calls that are ADDR_EXPRs as using the whole structure.
12180 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12182 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12183 * tree-pass.h (pass_loop_optimize): Remove.
12184 * passes.c (pass_loop_optimize): Never run it.
12185 * toplev.c (backend_init): Don't call init_loop.
12186 * opts.c (flag_loop_optimize_set): Remove.
12187 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12188 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12189 the old RTL loop optimizer when profiling enabled.
12190 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12191 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12192 pre-headers for the sake of the old RTL loop optimizer.
12193 * Makefile.in: Remove all references to loop.o.
12195 * doc/invoke.texi: Remove all references to -floop-optimize
12196 and -frerun-loop-opt.
12198 2006-02-26 Zack Weinberg <zackw@panix.com>
12200 * doc/md.texi (Machine Constraints): Refer to all files with paths
12201 relative to gcc directory (i.e. config/CPU/file). Add missing
12202 @table @code ... @end table to M32C subsection.
12204 2006-02-26 Roger Sayle <roger@eyesopen.com>
12206 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12208 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12210 2006-02-26 Roger Sayle <roger@eyesopen.com>
12211 James A. Morrison <phython@gcc.gnu.org>
12213 PR middle-end/21137
12214 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12215 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12216 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12217 signedness of the shift operation.
12219 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12221 PR tree-optimization/26359
12222 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12224 2006-02-25 Roger Sayle <roger@eyesopen.com>
12226 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12227 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12228 as X == 0, and some symmetry related transformations.
12229 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12231 2006-02-25 Roger Sayle <roger@eyesopen.com>
12233 PR middle-end/23673
12234 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12235 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12236 symmetry related transformations. Fold (X^C1) == C2 as
12239 2006-02-25 Juergen Weigert <jw@suse.de>
12240 Richard Guenther <rguenther@suse.de>
12242 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12244 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12246 * combine.c (gen_lowpart_or_truncate): Call
12247 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12249 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12251 * doc/invoke.texi: Move -fopenmp description to "Options for
12253 Remove reference to -lgomp.
12255 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12257 * doc/install.texi: Require GNU tar version 1.14.
12259 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12261 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12262 * doc/invoke.texi (C++ Dialect Options): Document
12263 -fno-use-cxa-get-exception-ptr.
12264 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12265 * configure: Regenerate.
12266 * c.opt (fuse-cxa-get-exception-ptr): New.
12267 * c-opts.c (c_common_handle_option): Handle
12268 OPT_fuse_cxa_get_exception_ptr.
12269 * c-common.c (flag_use_cxa_atexit): Update documentation.
12270 (flag_use_cxa_get_exception_ptr): New.
12271 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12272 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12274 (C_COMMON_OVERRIDE_OPTIONS): New.
12276 2006-02-24 Roger Sayle <roger@eyesopen.com>
12278 PR middle-end/24952
12279 * combine.c (try_combine): Explicitly check whether GET_CODE is
12280 a SET or a CLOBBER, instead on checking that it isn't a USE.
12282 2006-02-24 Roger Sayle <roger@eyesopen.com>
12284 * fold-const.c (fold_comparison): New subroutine of fold_binary
12285 containing transformations common to both the equality and
12286 ordering relational operators, factored out of fold_binary.
12287 (fold_binary): Separate out the equality operators (EQ_EXPR
12288 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12289 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12290 transformations common to both.
12291 (fold_div_compare): Fix latent bugs in the previously unreachable
12292 LT_EXPR and GE_EXPR cases.
12294 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12296 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12297 decl libname for clog to __clog on AIX.
12299 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12301 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12304 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12305 output traceback table for thunks. Localise rs6000_stack_info call.
12307 2006-02-23 Roger Sayle <roger@eyesopen.com>
12308 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12310 * gthr-posix.h (__gthrw): Fix typo in comment.
12312 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12314 * doc/cpp.texi (Character sets): Document that we do support
12315 input files to be in any character set.
12317 2006-02-23 Jeff Law <law@redhat.com>
12319 * tree.h (PHI_ARG_NONZERO): Remove.
12320 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12321 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12322 node to the new node.
12324 PR tree-optimization/26425
12325 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12326 min/max, then assume its varying.
12328 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12330 PR rtl-optimization/26316
12331 * rtlanal.c (enum may_trap_p_flags): New.
12332 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12333 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12334 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12335 (may_trap_after_code_motion_p): New function.
12336 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12337 (find_invariant_insn): Use may_trap_after_code_motion_p.
12338 * rtl.h (may_trap_after_code_motion_p): Declare.
12340 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12342 * emit-rtl.c (immed_double_const): Cleanup.
12344 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12346 Fix PR tree-optimization/26376
12347 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12350 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12352 PR middle-end/26412
12353 * gimplify.c (omp_add_variable): Guard variable size decl test with
12354 DECL_SIZE (decl) check.
12356 2006-02-23 Richard Guenther <rguenther@suse.de>
12358 PR middle-end/26439
12359 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12360 like aggregate types.
12362 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12364 * configure.ac: Add --with{,out}-long-double-128 configure option.
12365 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12366 * configure: Rebuilt.
12367 * config.in: Rebuilt.
12368 * doc/install.texi (Options specification): Document
12369 --with-long-double-128.
12371 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12372 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12373 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12374 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12376 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12378 * config/s390/s390.c (override_options): Handle
12379 TARGET_DEFAULT_LONG_DOUBLE_128.
12381 * config/alpha/alpha.c (override_options): Handle
12382 TARGET_DEFAULT_LONG_DOUBLE_128.
12384 * config/sparc/sparc.c (sparc_override_options): Handle
12385 TARGET_DEFAULT_LONG_DOUBLE_128.
12387 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12389 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12390 (real-install-headers-tar, real-install-headers-cpio)
12391 (real-install-headers-cp): New targets.
12393 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12395 * tree.h (variable_section): Delete.
12396 * varasm.c (variable_section): Delete.
12398 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12400 * install.texi: Add notes on install.texi2html.
12401 (Building in parallel): Do not use footnotes.
12403 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12406 * doc/install.texi (Configuration): Document --disable-libgomp.
12408 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12410 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12412 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12414 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12415 (vec_extractv2df_0_sse): New.
12417 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12419 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12420 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12421 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12422 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12423 to the result of the expression.
12424 (def_cfa_1): Adjust.
12425 (frame_pointer_cfa_offset): Rename to...
12426 (frame_pointer_fb_offset): ... this. Adjust all uses.
12427 (convert_cfa_to_loc_list): Rename to...
12428 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12429 Pass it on to build_cfa_loc.
12430 (compute_frame_pointer_to_cfa_displacement): Rename to...
12431 (compute_frame_pointer_to_fb_displacement): ... this. New
12432 offset parameter. Use it in computation.
12433 (gen_subprogram_die): Compute cfa_fb_offset with the new
12434 macro, and use it to compute the fb loc list and the
12437 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12439 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12440 replaced with register_operand.
12441 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12442 non-DREG is expensive.
12443 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12444 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12447 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12449 * doc/install.texi2html: Use set -e.
12451 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12453 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12454 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12455 * doc/invoke.texi (-fshared-data): Delete.
12456 * common.opt (fshared-data): Delete.
12457 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12458 (assemble_static_space): Remove #if 0 code.
12459 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12460 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12461 * config/cris/cris.h: Remove FIXME.
12463 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12465 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12468 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12470 PR middle-end/26379
12471 * combine.c (simplify_shift_const_1): Disable nested shifts
12472 optimization for vector shifts.
12474 2006-02-20 Roger Sayle <roger@eyesopen.com>
12476 PR tree-optimization/26361
12477 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12478 of unsigned integer types.
12480 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12482 * tree-chrec.c (eq_evolutions_p): New.
12483 * tree-chrec.h (eq_evolutions_p): Declared.
12484 * tree-data-ref.c: Fix formatting.
12485 (datadep_stats, dependence_stats): New.
12487 (print_direction_vector): New.
12488 (dump_data_dependence_relation): Use print_direction_vector.
12489 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12490 (compute_subscript_distance): Static.
12491 (initialize_data_dependence_relation): Static. Get the number
12492 of loops surrounding the references from the callers, and initialize
12493 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12494 base_object_differ_p analyzers.
12495 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12496 compute_overlap_steps_for_affine_1_2,
12497 analyze_subscript_affine_affine): Count the classified dependences.
12498 Print a message when a test failed.
12499 (can_use_analyze_subscript_affine_affine): New.
12500 (analyze_siv_subscript): Compute the data dependences on symbolic
12501 scevs that verify can_use_analyze_subscript_affine_affine.
12502 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12503 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12504 Handle symbolic scevs.
12505 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12507 (subscript_dependence_tester): Moved...
12508 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12509 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12510 DDR_SIZE_VECT instead of getting it in parameter.
12511 (subscript_dependence_tester): ... here. Take as a parameter
12512 loop_nest_depth. Call build_classic_dist_vector and
12513 build_classic_dir_vector.
12514 (compute_affine_dependence): Update subscript_dependence_tester
12515 parameters. Update datadep_stats counters. Call
12516 compute_subscript_distance.
12517 (compute_self_dependence): Save the dist and dir vectors. Call
12518 compute_subscript_distance.
12519 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12520 (compute_all_dependences): Reorder parameters as they were before
12521 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12522 compute_subscript_distance. Update the use of
12523 compute_affine_dependence and initialize_data_dependence_relation.
12524 (find_data_references_in_loop): Handle COMPONENT_REF.
12525 (compute_data_dependences_for_loop): Initialize dependence_stats.
12526 Don't call build_classic_dist_vector and build_classic_dir_vector.
12527 Update the parameters of initialize_data_dependence_relation and
12528 compute_all_dependences. Print the statistics from datadep_stats.
12529 (analyze_all_data_dependences): Static. Not used until the pass for
12530 checking the data dependences is contributed.
12531 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12532 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12533 (initialize_data_dependence_relation, compute_affine_dependence,
12534 analyze_all_data_dependences, compute_subscript_distance): Removed.
12535 (print_direction_vector): New.
12536 * lambda.h (gcd): ... here.
12537 (lambda_vector_gcd): Moved here from gcd_vector.
12538 * lambda-code.c (gcd, gcd_vector): Removed.
12539 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12540 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12542 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12544 * ipa-type-escape.c: Tidy some comments and white space.
12545 * tree-ssa-operands.c: Likewise.
12547 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12550 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12551 (dump_decl_name): Do not walk the decl tree chains.
12552 * tree-pass.h (TDF_CHAIN): Remove.
12554 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12556 * Makefile.in (C): Remove
12558 (.PHONY): Remove C and PROTO
12560 2006-02-20 Roger Sayle <roger@eyesopen.com>
12562 PR middle-end/26236
12563 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12564 deprecated CHAR_TYPE tree code.
12566 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12568 * configure.ac (target_list): Add install-info, dvi, html.
12569 * configure: Regenerate.
12571 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12572 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12573 treelang/Make-lang.in: Do not use double-colon rules.
12575 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12577 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12578 (TMT_USED_ALONE): New macro.
12579 * tree-pass.h (PROP_tmt_usage): New property.
12580 (TODO_update_tmt_usage): New todo.
12581 * tree-ssa-alias.c (updating_used_alone): New variable.
12582 (recalculate_used_alone): New function.
12583 (compute_may_aliases): Set updating_used_alone, call
12584 recalculate_used_alone.
12585 * tree-sra.c (pass_sra): Note that this pass destroys
12586 PROP_tmt_usage, and add TODO_update_tmt_usage.
12587 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12588 * tree-flow.h (updating_used_alone): Prototype.
12589 (recalculate_used_alone): Ditto.
12590 * passes.c (execute_todo): Add code to set updating_used_alone,
12591 and call recalculate.
12592 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12593 for clobber if used alone, and add assert to verify used_alone
12596 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12598 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12599 for non tls symbols added.
12600 (legitimize_address): Do nothing for PLUS expressions if one of the
12601 addends is a tls symbol reference.
12603 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12607 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12609 * Makefile.in (BOOTSTRAPPING): New.
12610 (quickstrap): New definition if BOOTSTRAPPING=yes.
12612 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12613 * configure.ac: Substitute all_selected_languages with the languages
12614 that were configured. For all the other variables except
12615 lang_specs_files, include all the languages in the tree.
12616 * configure: Regenerate.
12618 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12619 if there is one. Run the commands to run fixincludes in the same
12622 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12623 * doc/install.texi: Document exact conventions for searching target tools.
12624 Document --with-build-time-tools. Document toplevel bootstrap. Document
12625 something more about building an Ada cross-compiler. Don't list GNU Make
12626 requirements which affect all platforms.
12628 2006-02-19 Roger Sayle <roger@eyesopen.com>
12630 PR middle-end/19543
12631 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12632 only equivalent if the have both the same mode and precision.
12634 2006-02-20 Ben Elliston <bje@au.ibm.com>
12636 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12638 2006-02-19 Roger Sayle <roger@eyesopen.com>
12639 Steven Bosscher <stevenb.gcc@gmail.com>
12641 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12642 constant pool references to identify stack mode constants.
12643 * rtlanal.c (constant_pool_constant_p): New predicate to check
12644 whether operand is a floating point constant in the pool.
12645 * rtl.h (constant_pool_constant_p): Prototype here.
12646 * loop.c (scan_loop): Avoid hoisting constants from the constant
12647 pool on STACK_REGS targets.
12648 (load_mems): Likewise.
12649 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12650 loads into x87 registers expensive in terms of register pressure.
12652 2006-02-19 Roger Sayle <roger@eyesopen.com>
12654 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12655 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12657 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12659 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12660 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12662 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12664 * doc/invoke.texi: Document -fipa-pta.
12665 * common.opt: Add ipa-pta option.
12666 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12667 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12668 (do_ds_constraint): Ditto.
12669 (get_constraint_for): Only add to referenced_vars if
12670 referenced_vars exists.
12671 (insert_into_field_list): Rewrite to do this unsorted.
12672 (insert_into_field_list_sorted): Rename old insert_into_field_list
12674 (create_function_info_for): Use insert_into_field_list_sorted.
12675 (create_variable_info_for): Rewrite so it uses unsorted version,
12676 since the field list is sorted.
12677 (intra_create_variable_infos): Only add to referenced_vars if
12678 referenced_vars exists.
12679 (ipa_pta_execute): Init heapvars, and delete when done.
12680 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12682 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12684 * doc/install.texi: Add missing `@samp'.
12686 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12688 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12691 2006-02-18 Mark Wielaard <mark@klomp.org>
12693 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12694 who added new 4.1 features, bug fixes and integration support.
12696 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12699 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12700 MEM for ABI_V4 pic.
12702 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12704 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12705 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12706 (copy_insn_1): Likewise. Don't copy each field individually.
12708 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12710 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12711 * rtl.c (rtx_size): Rename variable to...
12712 (rtx_code_size): ...this.
12713 (rtx_size): New function.
12714 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12715 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12717 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12718 * rtl.h (rtx_code_size): New variable.
12719 (rtx_size): Change from a variable to a function.
12720 (RTX_SIZE): Rename to...
12721 (RTX_CODE_SIZE): ...this.
12724 PR tree-optimization/17106
12725 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12726 (Anchored Addresses): New section.
12727 * doc/invoke.texi (-fsection-anchors): Document.
12728 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12729 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12730 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12731 * hooks.c (hook_bool_mode_rtx_false): New function.
12732 * hooks.h (hook_bool_mode_rtx_false): Declare.
12733 * gengtype.c (create_optional_field): New function.
12734 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12735 SYMBOL_REF_IN_BLOCK_P is true.
12736 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12737 (min_anchor_offset, max_anchor_offset): Likewise.
12738 (use_anchors_for_symbol_p): New hook.
12739 * toplev.c (compile_file): Call output_object_blocks.
12740 (target_supports_section_anchors_p): New function.
12741 (process_options): Check that -fsection-anchors is only used on
12742 targets that support it and when -funit-at-a-time is in effect.
12743 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12744 if the decl doesn't have one.
12745 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12746 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12747 of force_const_mem through use_anchored_address.
12748 (expand_expr_constant): New function.
12749 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12750 calling expand_expr for INDIRECT_REF.
12751 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12752 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12753 * expr.h (use_anchored_address): Declare.
12754 * loop-unroll.c: Don't declare rtx vectors here.
12755 * explow.c: Include output.h.
12756 (validize_mem): Call use_anchored_address.
12757 (use_anchored_address): New function.
12758 * common.opt (-fsection-anchors): New switch.
12759 * varasm.c (object_block_htab, anchor_labelno): New variables.
12760 (hash_section, object_block_entry_eq, object_block_entry_hash)
12761 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12762 (use_blocks_for_decl_p, change_symbol_section): New functions.
12763 (get_variable_section): New function, split out from assemble_variable.
12764 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12765 use_blocks_for_decl_p say so. Use change_symbol_section if the
12766 symbol has already been created.
12767 (assemble_variable_contents): New function, split out from...
12768 (assemble_variable): ...here. Don't output any code for
12769 block symbols; just pass them to place_block_symbol.
12770 Use get_variable_section and assemble_variable_contents.
12771 (get_constant_alignment, get_constant_section, get_constant_size): New
12772 functions, split from output_constant_def_contents.
12773 (build_constant_desc): Create a block symbol if use_object_blocks_p
12774 says so. Or into SYMBOL_REF_FLAGS.
12775 (assemble_constant_contents): New function, split from...
12776 (output_constant_def_contents): ...here. Don't output any code
12777 for block symbols; just pass them to place_section_symbol.
12778 Use get_constant_section and get_constant_alignment.
12779 (force_const_mem): Create a block symbol if use_object_blocks_p and
12780 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12781 (output_constant_pool_1): Add an explicit alignment argument.
12782 Don't switch sections here.
12783 (output_constant_pool): Adjust call to output_constant_pool_1.
12784 Switch sections here instead. Don't output anything for block symbols;
12785 just pass them to place_block_symbol.
12786 (init_varasm_once): Initialize object_block_htab.
12787 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12788 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12789 (place_block_symbol, get_section_anchor, output_object_block)
12790 (output_object_block_htab, output_object_blocks): New functions.
12791 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12792 (TARGET_ASM_OUT): Include it.
12793 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12794 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12795 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12796 (TARGET_INITIALIZER): Include them.
12797 * rtl.c (rtl_check_failed_block_symbol): New function.
12798 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12799 (block_symbol, object_block): New structures.
12800 (rtx_def): Add a block_symbol field to the union.
12801 (BLOCK_SYMBOL_CHECK): New macro.
12802 (rtl_check_failed_block_symbol): Declare.
12803 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12804 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12805 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12806 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12807 * output.h (output_section_symbols): Declare.
12808 (object_block): Name structure.
12809 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12810 (default_use_anchors_for_symbol_p): Declare.
12811 * Makefile.in (RTL_BASE_H): Add vec.h.
12812 (explow.o): Depend on output.h.
12813 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12814 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12815 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12816 (rs6000_use_blocks_for_constant_p): New function.
12818 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12820 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12822 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12825 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12828 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12830 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12834 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12836 PR middle-end/26334
12837 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12838 instead of DECL_REGISTER.
12840 2006-02-18 Olivier Hainque <hainque@adacore.com>
12843 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12845 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12848 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12849 * opth-gen.awk: Handle Var and InverseMask together.
12850 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12851 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12852 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12853 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12855 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12856 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12857 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12858 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12859 LINUX_DYNAMIC_LINKER): Define.
12860 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12861 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12863 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12864 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12865 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12866 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12867 (TARGET_C99_FUNCTIONS): Don't define.
12868 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12869 GLIBC_DYNAMIC_LINKER.
12870 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12871 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12872 GLIBC_DYNAMIC_LINKER64): Define.
12873 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12874 LINUX_DYNAMIC_LINKER64.
12875 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12876 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12877 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12878 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12879 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12880 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12881 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12882 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12883 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12884 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12885 and LINUX_DYNAMIC_LINKER32.
12886 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12887 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12888 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12889 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12890 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12892 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12893 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12894 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12895 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12896 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12897 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12898 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12899 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12900 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12901 LINUX_DYNAMIC_LINKER): Define.
12902 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12903 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12904 GLIBC_DYNAMIC_LINKER64): Define.
12905 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12906 LINUX_DYNAMIC_LINKER64.
12907 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12908 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12909 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12910 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12911 LINUX_DYNAMIC_LINKER): Define.
12912 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12913 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12914 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12915 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12916 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12917 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12918 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12919 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12920 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12921 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12922 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12923 * doc/invoke.texi (-muclibc): Remove caveat about supported
12926 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12928 * doc/cpp.texi (__TIMESTAMP__): Document.
12930 2006-02-17 Roger Sayle <roger@eyesopen.com>
12932 PR middle-end/25600
12933 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12934 C is one less than the width of X (and related transformations).
12935 * simplify-rtx.c (simplify_unary_operation_1): Transform
12936 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12937 depending on STORE_FLAG_VALUE, were C is one less then the
12940 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12942 Fix PR tree-optimization/26341
12943 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12944 about NAME_MEMORY_TAG's.
12946 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12949 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12950 with hardware float support, and software float support. Add fcpy
12951 alternative to hardware patterns. Add alternatives to copy between
12952 general and floating-point registers to the 32-bit pattern.
12953 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12954 secondary reload to load a QI or HI mode constant into a floating
12956 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12957 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12959 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12962 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12964 (load_macho_picbase_di): Likewise.
12966 2006-02-16 Jeff Law <law@redhat.com>
12968 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12969 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12970 (ssa_name_nonzero_p): Likewise.
12971 (get_value_range): Return NULL if VRP is not running.
12972 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12973 VRP routines do not discover a range.
12974 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12975 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12976 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12977 (tree_expr_nonnegative_p): Similarly.
12978 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12979 (restore_nonzero_vars_to_original_value): Remove.
12980 (unsafe_associative_fp_binop): Remove.
12981 (tree_ssa_dominator_optimize): Remove initialization and
12982 finalization of nonzero_vars and nonzero_vars_stack.
12983 (dom_opt_initialize_block): No longer push marker on
12984 nonzero_vars_stack.
12985 (dom_opt_finalize_block): No longer call
12986 restore_nonzero_vars_to_original_value.
12987 (record_equivalences_from_phis): No longer look for
12988 nonzero PHI arguments.
12989 (cprop_into_successor_phis): No longer propagate nonzero
12990 property into PHI arguments. Lose unused argument. Caller
12992 (record_equivalences_from_stmt): No longer record nonzero
12993 values for SSA_NAMEs.
12994 (lookup_avail_expr): No longer use nonzero_vars.
12996 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12997 for sizetype when sizetype is unsigned.
12999 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13001 PR rtl-optimization/25603
13002 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13003 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13004 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13005 with new meaning of SETS.
13007 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13012 * config/linux.opt: New file.
13013 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13014 LINUX_DYNAMIC_LINKER): Define.
13015 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13016 * config.gcc (*-*-linux*): Define extra_options.
13017 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13018 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13019 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13020 GLIBC_DYNAMIC_LINKER.
13021 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13022 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13023 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13024 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13025 * doc/invoke.texi (GNU/Linux Options): New section.
13027 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13029 * config/sparc/sparc.md (setjmp): Rewrite.
13030 (setjmp_32): Delete.
13031 (setjmp_64): Likewise.
13033 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13035 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13038 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13040 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13043 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13045 PR rtl-optimization/26296
13046 * Makefile.in (loop-invariant.c): Add except.h dependency.
13047 * loop-invariant.c: Include except.h.
13048 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13050 2005-02-16 Paul Brook <paul@codesourcery.com>
13052 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13055 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13057 PR rtl-optimization/25636
13058 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13059 when deciding whether an insn is an initializing insn.
13061 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13063 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13064 (tree_code_size): Ditto.
13065 * tree.h (struct tree_memory_tag): Remove parent_var.
13066 (struct tree_struct_field_tag): New.
13069 (union tree_node): Add sft member.
13070 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13072 (create_sft): Add size and offset argument, set SFT_OFFSET and
13074 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13075 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13076 * tree-flow-inline.h (get_subvar_at): Update for
13077 SFT_OFFSET/SFT_SIZE.
13078 (var_can_have_subvars): Ditto.
13079 (overlap_subvar): Ditto.
13080 * print-tree.c (print_node): Print out interesting things for
13082 * tree-flow.h (struct subvar): Remove offset and size members.
13083 * tree-ssa-operands.c (get_expr_operands): Update for
13084 get_indirect_ref_operands changes.
13085 (get_indirect_ref_operands): Call add_virtual_operand instead of
13086 add_stmt_operand. Only recurse on base var if requested.
13087 (access_can_touch_variable): New function.
13088 (add_stmt_operand): Split virtual operand handling into ...
13089 (add_virtual_operand): Here. Add offset, size, and for_clobber
13090 arguments. Prune alias sets.
13091 (add_call_clobber_ops): Call add_virtual_operand.
13093 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13095 PR middle-end/26300
13096 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13098 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13099 than TREE_CODE as index into omp_clause_num_ops array.
13101 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13103 PR rtl-optimization/26184
13104 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13106 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13107 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13108 must_precede, must_follow and tobe_scheduled.
13111 * opts.c (common_handle_option): Free new_option pointer.
13112 * df-core.c (df_analyze): Free postorder pointer.
13114 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13116 * Makefile.in: Fix the examples about the use of stamps
13118 2006-02-15 Michael Matz <matz@suse.de>
13120 PR middle-end/22275
13122 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13123 influenced by maximum_field_alignment or DECL_PACKED.
13124 (update_alignment_for_field): Ditto.
13125 (place_field): Ditto.
13126 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13129 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13131 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13132 (debug_flow_info): Pass it.
13133 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13134 * bb-reorder.c (reorder_basic_blocks): Likewise.
13135 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13136 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13137 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13138 * gcse.c (gcse_main, bypass_jumps): Likewise.
13139 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13140 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13141 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13142 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13143 * rtl.h (dump_flow_info): Adjust prototype.
13144 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13145 * var-tracking.c (variable_tracking_main): Likewise.
13146 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13147 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13150 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13152 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13155 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13157 PR tree-optimization/26209
13158 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13159 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13161 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13163 2006-02-14 Roger Sayle <roger@eyesopen.com>
13165 PR middle-end/23670
13166 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13167 (X,Y) and the corresponding symmetry related transformations.
13168 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13169 (X,Y) and its symmetry related transformations.
13171 2006-02-14 Roger Sayle <roger@eyesopen.com>
13173 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13176 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13178 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13180 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13183 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13184 support COMDAT group.
13185 * configure: Regenerate.
13187 2006-02-14 Roger Sayle <roger@eyesopen.com>
13189 PR middle-end/26279
13190 PR middle-end/26280
13191 PR middle-end/26283
13192 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13194 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13196 Fix PR tree-optimization/26260
13198 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13200 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13201 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13202 * tree-ssa-structalias.c (create_variable_info_for): Use
13203 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13205 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13207 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13209 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13210 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13211 of the ending condition.
13212 * tree-ssa-loop-manip.c: Include params.h.
13213 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13214 tree_unroll_loop): New functions.
13215 * tree-pass.h (pass_loop_prefetch): Declare.
13216 * loop.c (rest_of_handle_loop_optimize): Test for
13217 -fprefetch-loop-arrays-rtl.
13218 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13219 * timevar.def (TV_TREE_PREFETCH): New timevar.
13220 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13221 pass_loop_prefetch): New.
13222 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13223 (cleanup_tree_cfg_loop): Call scev_reset.
13224 * common.opt (fprefetch-loop-arrays-rtl): Add.
13225 * tree-ssa-loop-prefetch.c: New file.
13226 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13227 (new_temp_expr_table): Initialize expr_vars.
13228 (free_temp_expr_table): Cleanup expr_vars.
13229 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13230 expressions from being merged into one.
13231 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13232 (struct tree_niter_desc): Add control, bound and cmp fields.
13233 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13235 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13236 (tree-cfgcleanup.o): Add SCEV_H dependency.
13237 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13238 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13240 2006-02-14 Richard Guenther <rguenther@suse.de>
13242 PR tree-optimization/26258
13243 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13244 in PHI argument processing.
13246 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13248 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13249 new expression in the requested machine mode.
13251 2006-02-13 Roger Sayle <roger@eyesopen.com>
13253 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13254 directly, instead let do_compare_rtx_and_jump handle this for us.
13255 * expr.c (expand_expr_real_1): Likewise.
13256 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13257 before do_jump_by_parts_greater.
13258 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13259 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13261 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13263 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13265 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13267 PR rtl-optimization/26235
13268 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13269 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13272 2006-02-13 Jeff Law <law@redhat.com>
13274 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13277 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13279 PR middle-end/26092
13280 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13281 twice if decl is a builtin. When trying again, call get_callee_fndecl
13282 first to verify it is still a builtin.
13284 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13286 * dwarf2out.c (base_type_die): Don't add AT_name here.
13287 (subrange_type_die): Don't add AT_name here.
13288 (modified_type_die): Rearrange code flow. Do add AT_name here.
13290 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13292 PR rtl-optimization/26247
13293 PR rtl-optimization/26248
13294 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13296 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13298 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13299 * config/fixtfdi.c: Likewise.
13300 * config/fixunstfdi.c: Likewise.
13301 * config/floatditf.c: Likewise.
13303 2006-02-13 Roger Sayle <roger@eyesopen.com>
13305 PR middle-end/24427
13306 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13307 into (X,C2) if C1 is a subset of the bits of C2. Transform
13308 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13310 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13312 2006-02-13 Josh Conner <jconner@apple.com>
13315 * varasm.c (function_section): Check for section name before
13316 calling select_section on targets that define
13317 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13318 unlikely_text_section instead of hot_function_section if
13319 first_function_block_is_cold.
13321 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13323 PR middle-end/25335
13324 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13326 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13328 PR rtl-optimization/26222
13329 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13330 after tree->rtl expansion.
13331 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13332 before passing it to emit_move_insn.
13334 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13336 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13338 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13339 Clarify documentation.
13340 * c-common.h (warn_write_strings): Remove.
13341 * c-common.c (warn_write_strings): Likewise.
13342 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13345 2006-02-12 Roger Sayle <roger@eyesopen.com>
13347 PR middle-end/25724
13348 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13349 (do_jump_parts_zero_rtx): New function renamed from
13350 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13351 (do_jump_parts_equality_rtx): New function split out from
13352 do_jump_parts_equality. Old implementation renamed as above.
13353 Call do_jump_parts_zero_rtx if either operand is zero.
13354 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13355 do all of the heavy lifting.
13356 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13357 calling either do_jump_by_parts_greater_rtx or
13358 do_jump_by_parts_equality_rtx.
13359 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13360 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13361 moved to do_compare_rtx_and_jump, call it directly.
13362 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13363 mode argument. Call do_compare_rtx_and_jump.
13364 (emit_case_nodes): Update calls to do_jump_if_equal.
13366 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13368 PR rtl-optimization/26225
13369 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13371 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13373 PR rtl-optimization/26232
13374 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13376 2006-02-11 Jason Merrill <jason@redhat.com>
13379 * tree-inline.c (declare_return_variable): Just don't use the
13380 modify target if it's a gimple complex reg and the return slot
13383 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13385 * doc/contrib.texi: Update my entry.
13387 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13389 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13391 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13393 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13396 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13398 * doc/invoke.texi (-floop-optimize2): Removed.
13399 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13400 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13401 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13402 * common.opt (floop-optimize2): Removed.
13403 (fmove-loop-invariants): Enabled by default.
13405 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13407 * tree-if-conv.c (combine_blocks): Free the result of
13408 get_loop_exit_edges.
13410 2006-02-10 Jeff Law <law@redhat.com>
13412 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13414 PR tree-optimization/26213
13415 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13416 loop trying to follow SSA_NAME_VALUE chains.
13418 2006-02-10 Richard Guenther <rguenther@suse.de>
13420 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13421 deal with structures that end in implicitly variable sized arrays.
13423 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13425 PR rtl-optimization/24762
13426 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13429 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13431 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13432 (struct ivopts_data): Add regs_used field.
13433 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13434 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13435 instead of loop_data->regs_used;
13436 (free_loop_data): Do not free aux fields for loops.
13437 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13438 and tree_ssa_iv_optimize_finalize.
13440 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13442 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13444 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13447 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13448 computing the effective result type.
13450 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13452 PR inline-asm/16194
13453 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13454 (tree_overlaps_hard_reg_set): Declare.
13455 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13456 type and signature to match function type expected by walk_tree.
13457 (tree_overlaps_hard_reg_set): New function.
13458 (decl_conflicts_with_clobbers_p): Rename to:
13459 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13460 Use tree_overlaps_hard_reg_set. Changed caller.
13461 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13462 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13463 * cris.c (cris_md_asm_clobbers): Likewise.
13465 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13467 * reload1.c (emit_input_reload_insns): Delete code that tries to
13468 inherit using find_equiv_reg.
13470 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13472 * c-common.h (flag_const_strings): Don't declare.
13473 * c-common.c (flag_const_strings): Remove.
13474 * c.opt (fconst_strings): Remove.
13475 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13476 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13477 (c_common_init_options): Don't set flag_const_strings.
13478 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13480 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13482 * arm.md (tlobits_cbranch): New pattern.
13483 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13484 testing a single bit.
13486 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13489 * tree-ssa-pre.c (create_component_ref_by_pieces):
13490 Handle RETURN_DECL like VAR_DECL.
13492 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13494 PR middle-end/26134
13495 * fold-const.c (fold_indirect_ref_1): Fold
13496 "*(foo *)&complexfoo" to "__real__ complexfoo"
13497 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13499 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13501 * tree-flow-inline.h (var_can_have_subvars):
13502 Volatile variables should not have subvariables.
13504 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13507 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13508 multiplying unsigned values.
13511 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13513 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13515 2006-02-08 Jason Merrill <jason@redhat.com>
13518 * tree.def: Elaborate on difference from MODIFY_EXPR.
13519 * doc/c-tree.texi (INIT_EXPR): Likewise.
13520 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13521 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13522 (gimplify_target_expr): Likewise.
13523 (gimplify_cond_expr): Remove target handling.
13524 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13525 (gimplify_expr): Clobber it here.
13526 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13527 Do return slot optimization if we have an INIT_EXPR.
13530 * tree-inline.c (declare_return_variable): Also clear
13531 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13534 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13536 PR middle-end/22439
13537 * gimplify.c (gimplify_one_sizepos): Fix typo.
13539 2006-02-08 Jeff Law <law@redhat.com>
13541 PR tree-optimization/21417
13542 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13543 across a backedge if the control statement at the end of the
13544 block is data dependent on other statements in the same block.
13545 (record_temporary_equivalences_from_stmts): Remove over-conservative
13546 test for threading across backedges.
13548 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13549 control statement, handle all three special cases in the same
13550 manner as they all have the same desired solution. No longer
13551 special case edge flag updating when the post dominator is
13554 2006-02-08 Roger Sayle <roger@eyesopen.com>
13556 * tree.def (CHAR_TYPE): Remove.
13557 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13558 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13559 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13560 (gen_string_type_die): Delete unreachable function.
13562 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13563 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13564 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13565 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13566 * builtins.c (type_to_class): Likewise.
13567 * fold-const.c (fold_convert, build_range_check,
13568 merge_ranges): Likewise.
13569 * expr.c (count_type_elements): Likewise.
13570 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13571 * stor-layout.c (layout_type): Likewise.
13572 * ipa-type-escape.c (type_to_consider): Likewise.
13573 * gimplify.c (omp_firstprivatize_type_sizes,
13574 gimplify_type_sizes): Likewise.
13575 * explow.c (promote_mode): Likewise.
13576 * tree-sra.c (is_sra_scalar_type): Likewise.
13577 * varasm.c (output_constant): Likewise.
13578 * tree-inline.c (remap_type_1): Likewise.
13579 * convert.c (convert_to_pointer, convert_to_real,
13580 convert_to_integer, convert_to_complex): Likewise.
13582 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13584 * df-scan.c (df_def_record_1): A set destination may
13585 be a parallel regardless of mode.
13587 2006-02-08 Roger Sayle <roger@eyesopen.com>
13590 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13591 * config/mips/_tilib.c: Remove.
13592 * config/fixtfdi.c: New libgcc source file.
13593 * config/fixunstfdi.c: New source file.
13594 * config/floatditf.c: New source file.
13595 * config/floatunditf.c: New souce file.
13596 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13597 files above instead of config/mips/_tilib.c.
13598 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13600 2006-02-08 Jeff Law <law@redhat.com>
13602 PR tree-optimization/26169
13603 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13606 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13608 * df.h (DF_REG_SIZE): Return the length of the initialized
13611 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13613 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13614 __muldf3): Return a correctly signed zero.
13616 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13618 * passes.c (register_one_dump_file): Accept the current properties
13619 instead of pass number. Adjust call to dump_register. Remove
13621 (register_dump_files): Now a wrapper around...
13622 (register_dump_files_1): ... this one. Do not modify the pass
13624 (next_pass_1): Cosmetic fix.
13625 (execute_todo): Keep second parameter only. Use curr_properties
13626 instead of fetching it from the pass structure. Check and set
13628 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13629 instead of fetching it from the pass structure. Fix calls to
13630 execute_todo. Update curr_properties and initialize .vcg RTL dump
13631 after running the pass. Reset last_verified.
13632 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13634 (FIRST_AUTO_NUMBERED_DUMP): New.
13635 (dump_register): Remove "num" parameter, assign it within the
13637 (get_dump_file_name): Modify template for dumps.
13638 * tree-dump.h (dump_register): Adjust prototype.
13639 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13640 (PROP_trees): Add PROP_gimple_lomp.
13641 (TODO_set_props): New.
13642 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13643 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13644 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13646 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13648 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13649 (sparc64-*-linux*): Likewise.
13650 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13651 * config/sparc/t-linux: New file.
13652 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13653 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13654 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13655 -m32 -mlong-double-128.
13657 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13658 * config/alpha/t-linux: New file.
13659 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13661 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13662 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13663 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13664 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13665 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13666 (CPP_ARCH32_SPEC): Remove.
13668 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13670 PR tree-optimization/26145
13671 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13674 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13677 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13678 >= 240000 when generating code for SOM runtime.
13679 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13680 to $$dyncall when generating code for SOM runtime..
13682 2006-02-07 Dirk Mueller <dmueller@suse.com>
13685 * doc/invoke.texi (-Wsequence-point): Update documentation
13686 that -Wsequence-point is implemented for C++ as well.
13688 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13690 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13691 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13692 (LIB_SPEC): Likewise.
13693 * doc/invoke.texi (SPARC options): Document -pthread.
13695 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13697 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13700 2006-02-07 Roger Sayle <roger@eyesopen.com>
13702 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13703 Correct comment describing BOOLEAN_TYPE.
13705 2006-02-07 Dirk Mueller <dmueller@suse.com>
13707 * c.opt: C++ frontend supports -Wdiv-by-zero.
13708 * c-opts.c (c_common_handle_option): Remove dead case.
13710 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13712 * configure.ac (TLS assembler check): Do not enable TLS by
13713 default on SPARC/Solaris before version 10.
13714 * configure: Regenerate.
13716 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13718 * doc/invoke.texi (xl-compat): Document conversion and support
13721 2006-02-07 Jeff Law <law@redhat.com>
13723 * tree-vrp.c (find_conditional_asserts): Update comments.
13724 (simplify_stmt_for_jump_threading): New.
13725 (identify_jump_threads, finalize_jump_threads): New.
13726 (vrp_finalize): Call identify_jump_threads.
13727 (execute_vrp): Call finalize_jump_threads.
13728 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13729 (vrp_element, vrp_data, vrp_element_p): Remove.
13730 (vrp_hash_elt, vrp_variables_stack): Remove.
13731 (vrp_hash, vrp_eq, record_range): Remove.
13732 (simplify_cond_and_lookup_avail_expr): Remove.
13733 (extract_range_from_cond): Remove.
13734 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13735 (simplify_stmt_for_jump_threading): New.
13736 (dom_thread_across_edge): New wrapper.
13737 (tree_ssa_dominator_optimize): No longer initialize or
13738 finalize any of the VRP datastructures. Remove iteration
13739 step and simplify as a result of removal of iteration step.
13740 (pass_dominator): Perform a cfg cleanup after DOM.
13741 (dom_opt_finalize_block): Use the new common routines
13742 for threading jumps. Simplify stack management slightly.
13743 No longer need to unwind VRP state.
13744 (record_equivalences_from_incoming_edge): No longer record
13746 (eliminate_redundant_computations): No longer call
13747 simplify_cond_and_lookup_avail_expr.
13748 * tree-flow.h (potentially_threadable_block): Prototype.
13749 (thread_across_edge): Likewise.
13750 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13751 (tree-ssa-threadedge.o): Add dependencies.
13752 * tree-ssa-threadedge.c: New file.
13753 * passes.c (init_optimization_passes): Merge PHIs before
13754 calling VRP. Run VRP again late in the SSA optimization pipeline.
13756 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13758 * df-core.c (df_set_blocks): Do not dereference function pointers.
13759 (df_finish1): Likewise.
13760 (df_hybrid_search_forward): Likewise.
13761 (df_hybrid_search_backward): Likewise.
13762 (df_iterative_dataflow): Likewise.
13763 (df_analyze_problem): Likewise.
13764 (df_compact_blocks): Likewise.
13765 (df_dump): Likewise.
13766 * df-scan.c (df_rescan_blocks): Likewise.
13767 (df_record_entry_block_defs): Likewise.
13769 * genconditions.c (write_conditions): Guard the definition of
13770 'insn_conditions' with the check on GCC version.
13771 (write_writer): Guard the traversal 'insn_conditions' with
13772 the check on GCC version.
13774 2006-02-07 Richard Guenther <rguenther@suse.de>
13778 2006-01-30 Richard Guenther <rguenther@suse.de>
13780 * gimplify.c (gimplify_target_expr): Handle easy cases
13781 without creating a temporary.
13783 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13785 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13786 use of float in probability computations. Use edge probabilities
13787 in place of statically computed probabilities.
13788 (min_spec_prob): New static variable.
13789 (schedule_insns): Initialize it.
13790 (GET_SRC_PROB): Removed.
13791 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13793 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13796 * config/ia64/unwind-ia64.c: Revert last change.
13797 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13798 (INCOMING_FRAME_SP_OFFSET): Define.
13800 2006-02-06 Roger Sayle <roger@eyesopen.com>
13802 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13804 2006-02-07 Ben Elliston <bje@au.ibm.com>
13806 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13807 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13808 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13809 (ix86_return_in_memory): Handle TDmode.
13810 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13811 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13813 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13815 * reorg.c (dbr_schedule): Use dump_file instead of file.
13817 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13820 * config/ia64/predicates.md (extr_len_operand): New predicate.
13821 * config/ia64/ia64.md (extv): Tighten constraints.
13823 (*tbit_and_2): Ditto.
13824 (*tbit_and_3): Ditto.
13825 (*tbit_or_2): Ditto.
13826 (*tbit_or_3): Ditto.
13827 (*bit_zero): Ditto.
13830 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13833 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13835 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13837 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13838 loop_optimizer_init and loop_optimizer_finalize
13839 * tree-ssa-sink.c (execute_sink_code): Ditto.
13840 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13841 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13842 tree_ssa_loop_done): Ditto.
13843 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13844 * sched-ebb.c: Include output.h.
13845 (schedule_ebbs): Do not use dump argument.
13846 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13847 * loop.c (loop_dump_stream): Removed.
13848 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13850 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13851 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13852 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13853 loop_iterations, strength_reduce, record_biv, record_giv,
13854 final_giv_value, check_final_value, check_ext_dependent_givs,
13855 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13856 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13857 dump_file instead of loop_dump_stream.
13858 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13859 argument dump_file.
13860 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13862 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13863 * haifa-sched.c: Include output.h
13864 (schedule_insns, sched_init): Do not use dump argument.
13865 * mode-switching.c (optimize_mode_switching): Ditto.
13866 * modulo-sched.c (stats_file): Removed.
13867 (print_node_sched_params): Do not call argument dump_file.
13868 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13869 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13871 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13873 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13874 rtl_loop_init, rtl_loop_done): Ditto.
13875 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13876 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13878 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13879 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13880 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13881 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13882 * emit-rtl.c (renumber_insns): Ditto.
13883 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13884 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13885 * regclass.c (regclass): Ditto.
13886 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13887 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13888 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13889 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13891 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13892 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13894 * gcse.c (gcse_file, debug_stderr): Removed.
13895 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13896 rest_of_handle_gcse): Do not use dump argument.
13897 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13898 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13899 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13900 compute_code_hoist_vbeinout, compute_code_hoist_data,
13901 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13902 compute_store_table, build_store_vectors, insert_insn_start_bb,
13903 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13904 store_motion): Use dump_file instead of gcse_file.
13905 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13906 * profile.c (profile_dump_file): Removed.
13907 (branch_prob): Use dump_file instead of profile_dump_file.
13908 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13910 * tree-ssa-copy.c (dump_copy_of): Ditto.
13911 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13912 dump file to life_analysis.
13913 * bt-load.c (branch_target_load_optimize): Ditto.
13914 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13916 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13917 regclass, dbr_schedule): Declaration changed.
13918 * sched-int.h (sched_init): Declaration changed.
13919 * tree-profile.c (tree_profile_dump_file): Removed.
13920 (tree_profile_hooks): Removed profile_dump_file hook.
13921 * rtl-profile (rtl_profile_dump_file): Removed.
13922 (rtl_profile_hooks): emoved profile_dump_file hook.
13923 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13925 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13926 * tree-cfg.c (build_tree_cfg): Ditto.
13927 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13928 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13929 Declaration changed.
13930 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13931 life_analysis and schedule_insns.
13932 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13934 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13936 * config/mips/mips.c (mips_reorg): Ditto.
13937 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13940 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13942 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13943 (s390_mangle_fundamental_type): New.
13944 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13947 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13948 (alpha_mangle_fundamental_type): New.
13949 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13952 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13954 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13956 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13957 (sparc_mangle_fundamental_type): New.
13959 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13961 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13962 (s390x-*-linux*): Likewise.
13963 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13964 * config/s390/t-linux: New file.
13966 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13968 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13969 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13971 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13973 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13974 (ANTIC_SAFE_LOADS): New macro.
13975 (find_or_generate_expression): Add prototype.
13976 (set_contains_value): Allow null set for sake of not always having
13977 to allocate ANTIC_SAFE_LOADS.
13978 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13979 Allow COMPONENT_REF too.
13980 (valid_in_set): Allow COMPONENT_REF.
13981 Check ANTIC_SAFE_LOADS too.
13982 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13983 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13985 (can_PRE_operation): Add COMPONENT_REF.
13986 (create_component_ref_by_pieces): New function.
13987 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13988 (insert_aux): Move AGGREGATE_TYPE_P check here.
13989 (compute_avail): Set bb local stmt uids.
13990 (pass_pre): Use TODO_update_ssa_only_virtuals.
13992 2006-02-06 Ben Elliston <bje@au.ibm.com>
13994 * configure.ac: Unconditionally disable decimal float by default.
13995 * configure: Regenerate.
13997 2006-02-06 Ben Elliston <bje@au.ibm.com>
13999 * read-rtl.c (read_name): Terminate reading on EOF.
14001 2006-02-06 Ben Elliston <bje@au.ibm.com>
14003 * dfp.c (decimal_real_arithmetic): Change second argument type
14004 from int to enum tree_code. Do not always return true, but now
14005 return result of any call to decimal_do helper functions.
14006 * dfp.h (decimal_real_arithmetic): Update prototype.
14008 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14010 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14012 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14015 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14018 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14020 * tree-vrp.c (cfg_loops): Removed.
14021 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14022 Use current_loops instead of cfg_loops. Pass flags to
14023 loop_optimizer_init.
14024 * cfgloopmanip.c (fix_loop_structure): Update only available
14026 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14027 loop_optimizer_init.
14028 * modulo-sched.c (build_loops_structure): Removed.
14029 (sms_schedule): Use loop_optimizer_init.
14030 * loop-init.c (loop_optimizer_init): Use flags to determine
14031 which properties of loops to prepare.
14032 (rtl_loop_init): Pass flags to loop_optimizer_init.
14033 * tree-ssa-sink.c (execute_sink_code): Ditto.
14034 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14035 * tree-ssa-pre.c (init_pre): Ditto.
14036 * cfgloop.h (LOOPS_NORMAL): New.
14037 (loop_optimizer_init): Declaration changed.
14039 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14041 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14042 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14044 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14046 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14048 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14049 * pa/t-pa64: Delete quadlib.c rule.
14050 * pa/x-ada: Revert last change.
14051 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14053 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14055 PR rtl-optimization/26087
14056 * rtlanal.c (canonicalize_condition): Do not cross basic block
14059 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14062 * config/ia64/ia64.c: Include debug.h.
14063 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14064 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14065 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14066 (process_epilogue, process_set, process_for_unwind_directive):
14067 Output unwind info only if requested. Add CFA info if requested.
14068 Add new arguments as needed. Adjust callers.
14069 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14071 (DWARF2_FRAME_INFO): Define to zero.
14072 * config/ia64/unwind-ia64.c: Remove code that compensated for
14073 the CFA offset error fixed above.
14074 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14075 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14076 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14077 -funwind-tables and -fexceptions to enable frame info.
14078 (dwarf2out_frame_init): Define initial CFA even if
14079 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14080 DWARF2_UNWIND_INFO is nonzero, not just defined.
14081 (dwarf2out_frame_finish): Output non-EH call frame info only
14082 if DWARF2_FRAME_INFO is nonzero.
14083 (convert_cfa_to_loc_list,
14084 compute_frame_pointer_to_cfa_displacement): Define even if
14085 unwind info is not supported.
14086 (gen_subprogram_die): Use the above unconditionally. Remove
14087 legacy alternate code.
14088 * toplev.c (compile_file): Compile in call to
14089 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14090 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14092 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14093 Jakub Jelinek <jakub@redhat.com>
14095 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14096 IBM extended float format long double as "g" on powerpc*-linux.
14098 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14101 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14102 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14104 2006-02-03 Jason Merrill <jason@redhat.com>
14107 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14109 PR middle-end/25977
14110 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14111 on the return slot if it's an NRV.
14113 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14115 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14116 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14117 rewrite_use): Do not handle USE_OUTER.
14118 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14119 add_iv_outer_candidates, may_replace_final_value,
14120 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14121 (find_interesting_uses_op): Functionality of
14122 find_interesting_uses_outer_or_nonlin moved here.
14123 (find_interesting_uses_outside): Use find_interesting_uses_op.
14125 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14128 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14130 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14131 Ulrich Weigand <uweigand@de.ibm.com>
14134 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14135 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14136 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14137 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14139 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14140 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14141 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14142 Define secondary reloads for TFmode moves.
14143 (constant_modes): Add TFmode.
14144 (NR_C_MODES): Set to 8.
14145 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14147 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14148 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14149 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14150 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14151 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14152 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14153 (FPR mode macro): Add TFmode.
14154 (DSF mode macro): New.
14155 (<de>, <dee> mode attributes): Removed.
14156 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14157 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14158 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14159 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14160 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14161 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14162 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14163 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14164 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14165 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14166 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14167 "*negabs<mode>2", "sqrt<mode>2"):
14168 Changed <de> to <xde>. R constraint replaced by <Rf>.
14169 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14171 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14172 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14173 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14175 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14176 "extenddftf2", "extendsftf2"): New expanders.
14177 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14178 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14179 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14180 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14182 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14183 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14184 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14185 __floatditf): Add a GCC_4.1.0 symbol version tag.
14186 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14189 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14192 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14193 Use targetm.binds_local_p instead of TREE_PUBLIC.
14195 2006-02-02 Roger Sayle <roger@eyesopen.com>
14197 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14198 on INTEGER_TYPEs to indicate that it denotes a character type.
14199 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14200 signed_char_type_node, unsigned_char_type_node and char_type_node.
14201 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14202 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14203 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14205 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14206 Daniel Berlin <dberlin@dberlin.org>
14208 * tree-tailcall.c (arg_needs_copy_p): New function.
14209 (eliminate_tail_call): Use arg_needs_copy_p.
14210 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14211 (add_virtual_phis): New function.
14213 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14215 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14216 #ignore instead of #scratch for %g7 .register directive.
14218 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14220 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14223 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14225 * flow.c (calculate_global_regs_live): Assert that there aren't any
14228 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14230 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14231 what its name says.
14232 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14233 bsi_after_labels iterator.
14234 * tree-if-conv.c (find_phi_replacement_condition,
14235 replace_phi_with_cond_modify_expr): Likewise.
14236 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14237 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14239 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14241 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14243 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14246 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14247 array after growing it.
14249 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14251 PR middle-end/24901
14252 * fold-const.c (fold_checksum_tree): Change type of buf.
14254 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14256 * reload.c (push_secondary_reload): Initialize t_icode.
14258 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14260 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14261 -msoft-float -mlong-double-128 only issue a warning, but don't
14262 swich to DFmode long double.
14264 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14266 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14267 has a constant equivalent, iterate over equivalents for arg0,
14268 calling simplify_relational_operation and if there's a result
14269 cheaper than X, apply fold_rtx and return the result.
14271 2006-02-01 Jan Hubicka <jh@suse.cz>
14273 * opts.c (no_unit_at_a_time_default): New global variable.
14274 (decode_options): Use it.
14275 * opts.h (no_unit_at_a_time_default): Declare.
14277 2006-02-01 Paul Brook <paul@codesourcery.com>
14279 * function.c (assign_parm_setup_reg): Use function argument promotion
14281 * expr.c (expand_expr_real_1): Use function argument promotion rules
14284 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14286 * gcc.c (process_command): Change j to 'unsigned int'.
14288 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14290 PR middle-end/26001
14291 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14292 Use the corrected index for the character
14293 out of the string constant.
14295 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14297 * mode-switching.c (optimize_mode_switching): Fix size
14298 allocated for bb_info[n_entities].
14300 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14302 * gcc.c (main): Correct type that is allocated for
14303 explicit_link_files.
14305 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14307 * config/s390/s390.c (init_alignment_context): Set
14308 ALIAS_SET_MEMORY_BARRIER on the MEM.
14309 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14311 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14313 PR middle-end/25933
14314 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14316 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14319 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14321 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14322 * regrename.c: Ditto.
14323 * tree-ssa-loop-im.c: Ditto.
14324 * tree-dump.c: Ditto.
14325 * tree-complex.c: Ditto.
14326 * genrecog.c: Ditto.
14327 * tree-ssa-threadupdate.c: Ditto.
14329 * java/class.c: Ditto.
14330 * java/jcf-parse.c: Ditto.
14331 * java/resource.c: Ditto.
14332 * java/except.c: Ditto.
14333 * java/jvspec.c: Ditto.
14334 * java/jcf-write.c: Ditto.
14335 * java/jcf-path.c: Ditto.
14336 * java/gjavah.c: Ditto.
14337 * java/zextract.c: Ditto.
14338 * java/jcf-io.c: Ditto.
14339 * java/jcf.h: Ditto.
14340 * java/buffer.c: Ditto.
14341 * java/lang.c: Ditto.
14342 * java/parse-scan.y: Ditto.
14343 * java/lex.c: Ditto.
14344 * java/lex.h: Ditto.
14345 * cfgloopmanip.c: Ditto.
14346 * postreload-gcse.c: Ditto.
14347 * tree-ssa-loop-manip.c: Ditto.
14348 * postreload.c: Ditto.
14349 * tree-ssa-loop-ch.c: Ditto.
14352 * cppspec.c: Ditto.
14353 * diagnostic.c: Ditto.
14355 * genoutput.c: Ditto.
14357 * cfghooks.c: Ditto.
14358 * cfgloopanal.c: Ditto.
14359 * objc/objc-act.c: Ditto.
14361 * genextract.c: Ditto.
14362 * genautomata.c: Ditto.
14363 * pretty-print.c: Ditto.
14364 * genemit.c: Ditto.
14365 * cgraphunit.c: Ditto.
14367 * df-scan.c: Ditto.
14368 * haifa-sched.c: Ditto.
14369 * dominance.c: Ditto.
14371 * tree-ssa-loop-ivopts.c: Ditto.
14372 * df-core.c: Ditto.
14373 * mode-switching.c: Ditto.
14374 * modulo-sched.c: Ditto.
14376 * ipa-pure-const.c: Ditto.
14378 * fix-header.c: Ditto.
14380 * tree-stdarg.c: Ditto.
14381 * ipa-utils.c: Ditto.
14382 * loop-init.c: Ditto.
14383 * ipa-inline.c: Ditto.
14384 * cfganal.c: Ditto.
14386 * alloc-pool.c: Ditto.
14387 * dwarf2out.c: Ditto.
14389 * genattrtab.c: Ditto.
14390 * tree-ssa-loop-ivcanon.c: Ditto.
14391 * predict.c: Ditto.
14392 * timevar.c: Ditto.
14394 * fortran/gfortranspec.c: Ditto.
14395 * regmove.c: Ditto.
14396 * local-alloc.c: Ditto.
14397 * langhooks.c: Ditto.
14398 * function.c: Ditto.
14399 * tree-vectorizer.c: Ditto.
14401 * ipa-type-escape.c: Ditto.
14403 * tree-if-conv.c: Ditto.
14404 * profile.c: Ditto.
14406 * tree-data-ref.c: Ditto.
14407 * loop-unroll.c: Ditto.
14408 * treelang/treetree.c: Ditto.
14410 * bt-load.c: Ditto.
14411 * ggc-common.c: Ditto.
14413 * coverage.c: Ditto.
14415 * tree-cfgcleanup.c: Ditto.
14416 * tree-ssa-pre.c: Ditto.
14417 * cfgcleanup.c: Ditto.
14418 * loop-invariant.c: Ditto.
14419 * loop-iv.c: Ditto.
14420 * ipa-prop.c: Ditto.
14421 * print-tree.c: Ditto.
14422 * conflict.c: Ditto.
14423 * ggc-page.c: Ditto.
14424 * sched-deps.c: Ditto.
14425 * regclass.c: Ditto.
14426 * tree-object-size.c: Ditto.
14427 * combine.c: Ditto.
14428 * bb-reorder.c: Ditto.
14429 * resource.c: Ditto.
14430 * var-tracking.c: Ditto.
14431 * cfgloop.c: Ditto.
14432 * df-problems.c: Ditto.
14433 * reg-stack.c: Ditto.
14435 * gccspec.c: Ditto.
14436 * sched-rgn.c: Ditto.
14437 * tree-ssa-structalias.c: Ditto.
14438 * tree-ssa-reassoc.c: Ditto.
14439 * config/darwin-c.c: Ditto.
14440 * config/darwin.c: Ditto.
14441 * config/arm/arm.c: Ditto.
14443 * collect2.c: Ditto.
14444 * reload1.c: Ditto.
14446 2006-01-31 Nicolas Pitre <nico@cam.org>
14448 * arm.md (smaxsi3): Make aware of smax_m1.
14451 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14453 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14455 2006-01-31 Richard Guenther <rguenther@suse.de>
14457 * doc/invoke.texi (-msselibm): Document.
14458 * target.h (expand_library_builtin): New target hook.
14459 * builtins.c (expand_builtin): Use expand_library_builtin.
14460 (default_expand_library_builtin): New function.
14461 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14462 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14463 (link_gcc_math_spec): Declare.
14464 (static_specs): Add link_gcc_math_spec.
14465 * expr.h (default_expand_library_builtin): Declare.
14466 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14467 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14468 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14469 * config/i386/i386.opt (msselibm): New target option.
14470 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14471 (ix86_init_sse_abi_builtins): New function.
14472 (ix86_expand_library_builtin): Likewise.
14473 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14474 (override_options): Handle error conditions wrt -msselibm.
14475 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14476 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14477 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14480 2006-01-31 Richard Guenther <rguenther@suse.de>
14481 Paolo Bonzini <bonzini@gnu.org>
14483 * doc/install.texi (--disable-libgcc-math): Document.
14485 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14487 * expr.h (expand_normal): new inline function.
14488 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14489 * dojump.c: use it.
14490 * dwarf2out.c: use it.
14493 * expmed.c: use it.
14494 * except.c: use it.
14495 * config/sparc/sparc.c: use it.
14496 * config/i386/i386.c: use it.
14497 * config/rs6000/rs6000.c: use it.
14498 * config/arm/arm.c: use it.
14499 * config/mips/mips.c: use it.
14500 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14502 2006-01-30 Roger Sayle <roger@eyesopen.com>
14504 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14505 argv to the appropriate type.
14507 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14509 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14512 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14515 * config/s390/s390.c (struct machine_function): New flag
14516 decomposed_literal_pool_addresses_ok_p.
14517 (s390_reorg): Set it before final stage of literal pool transforms.
14518 (s390_decompose_address): Only accept displacements of the form
14519 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14521 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14523 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14524 the comparison routine return.
14526 2006-01-30 Michael Matz <matz@suse.de>
14528 * global.c (find_reg): Only evict for global regs.
14529 Take n_refs into account and dump more info.
14531 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14534 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14535 (pragma_trap, pragma_nosave_low_regs): Likewise.
14536 (current_function_anonymous_args): Likewise.
14537 (sh_deferred_function_attributes): New variable.
14538 (sh_deferred_function_attributes_tail): Likewise.
14539 (print_operand): For '@', look up trap_exit attribute.
14540 (calc_live_regs): Look up trapa_handler attribute. For trapa
14541 handlers, save/restore fpscr, but don't do any other
14542 interrupt-specific saves.
14543 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14544 Fix check for partially saved registers to check for SHmedia.
14545 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14546 (sh_output_function_epilogue): Don't clear any of the removed
14548 (sh_insert_attributes): Don't check pragma_interrupt.
14549 Insert deferred attributes. Check that interrupt attribute is
14550 present for other attributes that require its presence.
14551 (sh_attribute_table): Add new attributes trapa_handler and
14553 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14554 Don't check for pragma_interrupt. Don't store argument.
14555 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14556 (sh_deferred_function_attributes): Declare.
14557 (sh_deferred_function_attributes_tail): Likewise.
14558 * sh.md (sp_switch_1): Add operand. Change generator caller.
14559 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14560 (*return_i): Don't use when trap_exit attribute is in effect.
14561 (*return_trapa): New insn pattern.
14562 * sh-c.c: New file.
14563 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14564 setting c_target_objs and cxx_target_objs.
14565 * t-sh: Add rule for sh-c.o.
14567 2006-01-30 Richard Guenther <rguenther@suse.de>
14570 * gimplify.c (gimplify_target_expr): Handle easy cases
14571 without creating a temporary.
14573 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14575 * vec.h (safe_grow): Remove duplicated line.
14577 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14580 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14581 (expand_omp): ... here.
14582 (expand_omp_parallel): Only remove barriers for combined
14583 parallel+workshare constructs.
14585 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14589 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14590 * tree.c (build_qualified_type): Chain the new type to the original
14591 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14592 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14593 (build_pointer_type_for_mode): Only return unqualified types.
14594 (build_reference_type_for_mode): Likewise.
14596 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14598 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14599 * Makefile.in (CXX_COMPAT_WARN): Define.
14600 * configure: Regenerate.
14602 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14605 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14608 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14610 * toplev.c: Fix thinko.
14612 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14613 Marcin Dalecki <martin@dalecki.de>
14615 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14616 (push_srcloc): Use XNEW.
14617 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14619 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14621 * df-core.c (df_set_blocks): Deleted all variable.
14623 2006-01-28 Ian Lance Taylor <ian@airs.com>
14625 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14626 cgraph_output_pending_asms.
14628 2006-01-28 Zack Weinberg <zackw@panix.com>
14630 * c.opt: Add -W(no-)overlength-strings.
14631 * doc/invoke.texi: Document it.
14632 * c-opts.c (c_common_handle_option): -pedantic implies
14633 -Woverlength-strings, if not explicitly disabled already.
14634 (c_common_post_options): -Woverlength-strings defaults to off, and
14635 is always off for C++.
14636 * c-common.c (fix_string_type): Issue warning about strings longer
14637 than is portable only if warn_overlength_strings. Rearrange code
14638 a little for clarity.
14639 * configure.in: Check for -Wno-overlength-strings as well before
14640 enabling -pedantic in stage 1.
14641 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14642 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14644 * genconditions.c (write_header, write_one_condition)
14645 (write_conditions, write_writer): Consolidate very long strings
14646 that were broken up to fit in C89 portable limit. Don't use
14647 printf when fputs will do.
14649 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14651 * combine.c (simplify_comparison <AND>): Check
14652 TRULY_NOOP_TRUNCATION before start using a subreg.
14654 * config/mips/mips.md (*branch_zero<mode>,
14655 *branch_zero<mode>_inverted, *branch_equality<mode>,
14656 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14657 Remove mode check from comparisons.
14659 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14661 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14663 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14665 * expmed.c (const_mult_add_overflow_p): Remove.
14666 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14668 * recog.c (validate_replace_rtx_subexp): Remove.
14669 * recog.h: Remove the prototype for
14670 validate_replace_rtx_subexp.
14672 * integrate.h: Remove the prototype for
14673 copy_decl_for_inlining.
14674 * rtl.h: Remove the prototype for mark_constant_function.
14675 * tree-vectorizer.h: Remove the prototype for
14676 vect_strip_conversion.
14678 * modulo-sched.c (create_partial_schedule,
14679 free_partial_schedule, reset_partial_schedule): Make them
14682 * hooks.c (hook_bool_rtx_int_false): Remove.
14683 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14685 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14687 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14688 and -mlong-double-128 are incompatible.
14689 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14690 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14691 (TARGET_LIBGCC2_CFLAGS): Define.
14692 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14693 (TARGET_LIBGCC2_CFLAGS): Same.
14694 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14696 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14699 * c-typeck.c (build_binary_op): Perform implicit casts of
14700 operands before shortening them.
14702 * cfgloopmanip.c (split_loop_bb): Remove.
14703 * cfgloop.h: Remove the prototype for split_loop_bb.
14705 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14706 * cfgloop.h: Remove the prototype for
14707 flow_loop_outside_edge_p.
14709 * emit-rtl.c (init_virtual_regs): Make it static.
14710 * function.h: Remove the prototype for init_virtual_regs.
14712 * recog.c (peephole2_optimize): Make it static.
14713 * recog.h: Remove the prototype for peephole2_optimize.
14715 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14717 * df-scan.c (df_record_entry_block_defs): Check if
14718 INCOMING_RETURN_ADDR_RTX is defined.
14720 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14721 Kenneth Zadeck <zadeck@naturalbridge.com>
14723 PR rtl-optimization/24762
14724 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14725 * targhooks.c (hook_void_bitmap): New hook prototype.
14726 * targhoohs.h (hook_void_bitmap): Ditto.
14727 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14728 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14729 * target.h (live_on_entry): New function pointer.
14730 * df-scan.c (df_all_hard_regs): Removed.
14731 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14732 (df_scan_free_internal): Added df->entry_block_defs.
14733 (df_scan_alloc): Ditto.
14734 (df_scan_dump): Ditto.
14735 (df_uses_record): Plumbed flag field properly thru calls.
14736 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14737 This part fixes PR24762.
14738 (df_bb_refs_record): Added code to make the frame and arg
14739 pointers live in EH blocks.
14740 (df_refs_record): Added call to df_record_entry_block_defs.
14741 (df_record_entry_block_defs): New function.
14742 * df-core.c: Added comments to describe new artifical defs.
14743 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14744 (entry_block_defs): New field in struct df.
14745 (df_all_hard_regs): Deleted.
14746 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14747 * df-problems.c (df_ru_bb_local_compute_process_def):
14748 Added code to handle artifical defs in the entry to a function.
14749 (df_ru_bb_local_compute): Ditto.
14750 (df_rd_bb_local_compute_process_def): Ditto.
14751 (df_rd_bb_local_compute): Ditto.
14752 (df_lr_bb_local_compute): Ditto.
14753 (df_ur_bb_local_compute): Ditto.
14754 (df_urec_bb_local_compute): Ditto.
14755 (df_chain_create_bb): Ditto.
14756 (df_ur_local_finalize): Removed entry.
14757 (df_urec_init): Ditto.
14758 (df_urec_local_finalize): Ditto.
14759 (df_ri_bb_compute): Added detection of last use of pseudos.
14760 * Makefile.in (df-scan.o): Updated dependencies.
14761 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14762 * config/mips/mips.c (mips_set_live_on_entry): Added.
14763 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14765 * dce.c (marked_insn_p): Added code to handle artifical defs.
14767 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14769 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14771 (_mm_cvtsi128_si64): Likewise.
14772 (_mm_cvtsd_si64): Likewise.
14773 (_mm_cvttsd_si64): Likewise.
14774 (_mm_cvtsi64_sd): Likewise.
14775 (_mm_cvtsi64_si128): Likewise.
14776 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14777 (_mm_cvtsi64_m64): Likewise.
14778 (_m_to_int64): Likewise.
14779 (_mm_cvtm64_si64): Likewise.
14780 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14781 (_mm_cvttss_si64): Likewise.
14782 (_mm_cvtsi64_ss): Likewise.
14783 (_mm_cvtss_f32): Likewise.
14785 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14787 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14788 for pragma redefine_extname.
14790 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14793 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14794 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14795 -mno-minimal-toc to previous content.
14796 (bispecs): Remove goal.
14797 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14798 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14799 compatibility aliases on powerpc-*-*gnu*.
14800 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14801 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14802 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14803 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14804 (ldblspecs): New goal.
14805 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14806 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14808 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14809 L_sf_to_tf or L_df_to_tf is defined.
14811 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14812 Alan Modra <amodra@bigpond.net.au>
14815 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14816 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14817 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14818 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14819 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14820 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14821 (rs6000_override_options): Initialize rs6000_ieeequad.
14822 Initialize TFmode format to ibm_extended_format if not
14824 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14826 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14827 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14828 (function_arg_advance): IBM long double passed in two FPRs, not
14830 (function_arg): IBM long double passed in FPRs.
14831 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14832 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14833 Only multireg GPR aligned.
14834 (rs6000_init_libfuncs): Enable IBM long double functions if not
14836 (rs6000_generate_compare): Use IBM long double compare if not
14838 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14839 (TARGET_IEEEQUAD): Define.
14840 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14841 not TARGET_IEEEQUAD.
14842 * config/rs6000/rs6000.md: Enable TFmode patterns if
14844 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14845 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14846 and -mlong-double-128 are incompatible.
14847 * doc/invoke.texi (-mabi): Collect options together. Add
14848 ibmlongdouble and ieeelongdouble.
14850 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14852 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14854 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14855 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14856 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14857 * rtl.h (rtunion_def): Remove rt_ptr.
14859 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14860 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14861 * config/i386/winnt.c (i386_pe_mark_dllexport)
14862 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14864 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14866 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14868 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14872 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14873 pthread_key_delete. From John David Anglin. gthrw-ify
14874 pthread_getunique_np only if it it's not a macro. Delete
14876 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14877 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14878 __gthread_objc_condition_signal, __gthread_key_delete): Add
14879 "__attribute__ ((__unused__))" to unused arguments.
14880 (__gthread_recursive_mutex_init_function): Add missing return.
14881 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14882 gthr-posix95.h: Use macro-based approach for name redirection
14883 on targets missing weakref.
14885 2006-01-26 Zack Weinberg <zackw@panix.com>
14887 * genconditions.c (write_header): In generated code, #ifdef out
14888 all includes and fake declarations, except includes of bconfig.h
14889 and system.h, unless GCC_VERSION >= 3001. Do not include
14890 gensupport.h in any case.
14891 (write_conditions): Generate a definition of struct c_test. Add
14892 a comment to the generated #endif.
14893 (write_one_condition): Escape backslashes in string too.
14894 (write_writer): Generated code must escape backslashes and quote
14895 marks (but not newlines) in the strings it writes.
14896 * Makefile.in (build/gencondmd.o): Update dependencies.
14898 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14901 * Makefile.in (insn-automata.o): Add header file dependencies.
14902 * genautomata.c: Add includes.
14904 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14907 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14909 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14911 * configure.ac: Expect target tools paths to be passed from the toplevel
14912 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14914 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14916 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14919 * c.opt (Wpointer-sign): Init to -1.
14920 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14921 OPT_pedantic, to 0 otherwise.
14922 * doc/invoke.texi: Update.
14924 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14926 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14927 constants provided by 80387 instructions in the destination mode.
14929 2006-01-26 Richard Guenther <rguenther@suse.de>
14930 Andrew Pinski <pinskia@physics.uc.edu>
14933 partial PR tree-opt/17064
14934 * tree-ssa-structalias.c (intra_create_variable_infos):
14935 Create heap variables for incoming parameters if
14936 flag_argument_noalias > 1.
14937 (find_what_p_points_to): Look through default defs of
14940 2006-01-26 Jeff Law <law@redhat.com>
14943 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14944 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14945 within the VR_RANGE, use the VR_RANGE as the result, not the
14947 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14948 bounds for the type.
14950 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14952 * tree-ssa-alias.c (maybe_create_global_var): Change
14953 subvar walking to an assertion that we don't have subvar'd variables.
14955 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14958 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14959 Use a new variable, inner. PARM_DECLs are always non-weak.
14961 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14963 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14964 --disable-checking.
14966 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14968 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14970 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14972 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14973 (smax_insn, smin_insn, smax_0, smin_0): New.
14975 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14978 * config/cris/cris.c (cris_order_for_addsi3): New function.
14979 * config/cris/cris-protos.h: Prototype it.
14980 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14981 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14982 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14983 (split for "op.S1 [rx=rx+i],ry (swapped)")
14984 (split for "op(s|u).S1 [rx=rx+i],ry")
14985 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14986 Apply cris_order_for_addsi3 when generating addsi3 insns.
14988 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14990 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14991 (TREE_BLOCK): Add call to EXPR_CHECK.
14993 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14996 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14997 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14998 (dump_omp_clauses): ... here.
14999 (dump_generic_node): Handle OMP_CLAUSE.
15000 * tree.c (omp_clause_num_ops): New.
15001 (omp_clause_code_name): New.
15002 (tree_code_size): Handle OMP_CLAUSE.
15003 (tree_size): Likewise.
15004 (make_node): Document handling of OMP_CLAUSE.
15005 (tree_node_structure): Handle OMP_CLAUSE.
15006 (omp_clause_check_failed): New.
15007 (omp_clause_range_check_failed): New.
15008 (omp_clause_operand_check_failed): New.
15009 (build_omp_clause): New.
15010 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15011 * tree.h (enum omp_clause_code): Declare.
15012 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15013 (OMP_CLAUSE_RANGE_CHECK): Define.
15014 (OMP_CLAUSE_ELT_CHECK): Define.
15015 (omp_clause_check_failed): Declare.
15016 (omp_clause_operand_check_failed): Declare.
15017 (omp_clause_range_check_failed): Declare.
15018 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15019 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15020 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15021 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15022 (OMP_CLAUSE_IF_EXPR): Likewise.
15023 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15024 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15025 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15026 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15027 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15028 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15029 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15030 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15031 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15032 (OMP_CLAUSE_CODE): Define.
15033 (OMP_CLAUSE_SET_CODE): Define.
15034 (OMP_CLAUSE_CODE): Define.
15035 (OMP_CLAUSE_OPERAND): Define.
15036 (struct tree_omp_clause): Declare.
15037 (union tree_node): Add field 'omp_clause'.
15038 * treestruct.def (TS_OMP_CLAUSE): Define.
15039 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15040 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15041 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15042 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15043 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15044 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15045 (OMP_CLAUSE): Define.
15046 * print-tree.c (print_node): Handle OMP_CLAUSE.
15047 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15048 * c-typeck.c: Likewise.
15049 * gimplify.c: Likewise.
15050 * c-omp.c: Likewise.
15051 * tree-nested.c: Likewise.
15052 * tree-inline.c: Likewise.
15053 * c-parser.c: Likewise.
15054 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15057 2006-01-25 Roger Sayle <roger@eyesopen.com>
15059 PR rtl-optimization/25703
15060 * combine.c (try_combine): Handle zero_extract and strict_low_part
15061 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15063 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15065 * global.c: Fix comment typos.
15067 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15070 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15071 Use output_addr_const instead of assemble_name.
15073 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15075 * Makefile.in (sched-vis.o): Update dependencies.
15076 * haifa-sched.c (sched_finish): Clear current_sched_info.
15077 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15078 (dump_flow_info): Call it.
15079 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15081 * basic-block.h (dump_bb_info): Declare.
15082 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15083 option, and apply options only for dump files whose TDF_RTL,
15084 TDF_TREE, or TDF_IPA bits match.
15085 * rtl.h: Declare new functions exported from sched-vis.c.
15086 * sched-vis.c: Enable also if scheduling is not used.
15087 (print_value): Print the mode of registers if not inside scheduling.
15088 (print_insn): Make it work outside the scheduler. Beautify the output
15090 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15092 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15094 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15095 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15096 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15097 depending on the value of CONSTANT_POOL_ADDRESS_P.
15098 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15100 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15101 rather than SYMBOL_REF_DECL.
15102 (rtx_constant_pool): Remove const_rtx_sym_htab.
15103 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15104 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15105 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15106 Remove handling of const_rtx_sym_htab.
15107 (find_pool_constant): Delete.
15108 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15109 rather than find_pool_constant.
15110 (get_pool_constant_for_function): Delete.
15111 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15112 find_pool_constant.
15113 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15114 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15115 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15116 (SYMBOL_REF_CONSTANT): New macro.
15117 (get_pool_constant_for_function): Delete.
15118 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15119 rather than SYMBOL_REF_DECL.
15120 (i386_pe_mark_dllimport): Likewise.
15121 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15122 rather than SYMBOL_REF_DECL.
15123 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15124 (machopic_indirect_call_target): Likewise.
15126 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15128 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15130 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15132 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15134 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15136 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15138 2006-01-24 David Daney <ddaney@avtrex.com>
15141 * configure.ac (enable_tls): New enable option.
15142 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15143 * configure: Regenerate.
15144 * doc/install.texi (--enable-tls): Document new option.
15145 (--disable-tls): Ditto.
15147 2006-01-24 Richard Henderson <rth@redehat.com>
15149 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15150 * alias.c (true_dependence): Respect it.
15151 (canon_true_dependence, write_dependence_p): Likewise.
15152 * builtins.c (get_builtin_sync_mem): Set it.
15154 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15156 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15159 2006-01-24 DJ Delorie <dj@redhat.com>
15161 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15162 for storing constants in single-bit bitfields.
15164 2006-01-25 Ben Elliston <bje@au.ibm.com>
15166 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15168 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15171 * tree-ssa-pre.c (phi_translate): Return NULL
15172 for AGGREGATE_TYPE's.
15174 2006-01-24 Zack Weinberg <zackw@panix.com>
15176 * genautomata.c (process_state_for_insn_equiv_partition):
15177 Use xcalloc for insn_arcs_array.
15178 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15179 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15181 2006-01-24 Richard Henderson <rth@redhat.com>
15183 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15184 update all callers.
15186 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15188 PR rtl-optimization/25890
15189 PR rtl-optimization/25905
15190 * combine.c (expand_compound_operation, expand_field_assignment):
15191 Fail if the bitfield's final position is out of bounds.
15193 2006-01-24 Ian Lance Taylor <ian@airs.com>
15195 PR middle-end/25930
15196 * cgraphunit.c (cgraph_output_in_order): Don't clear
15197 cgraph_asm_nodes until after asm strings have been output.
15199 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15201 * fix-header.c (read_scan_file): Add new parameter imultilib when
15202 calling register_include_chains.
15204 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15206 * omp-low.c: Update documentation.
15208 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15209 Daniel Berlin <dberlin@dberlin.org>
15213 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15214 return from the function.
15216 2006-01-22 Zack Weinberg <zackw@panix.com>
15218 * rtl.def (match_code): Add second argument.
15219 * genpreds.c (write_extract_subexp): New function.
15220 (write_match_code): Add path argument. Use write_extract_subexp.
15221 (write_predicate_expr): Pass path to write_match_code.
15222 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15223 not perform a mode test.
15224 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15225 a subexpression does not constrain the top-level code set.
15226 * read-rtl.c (read_rtx_variadic): New function.
15227 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15228 * doc/md.texi: Document new notation.
15229 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15230 (cmpsi_operand): ... here, using new notation.
15232 2006-01-22 Zack Weinberg <zackw@panix.com>
15234 * varray.c: Remove GENERATOR_FILE #ifdefs.
15236 2006-01-22 Zack Weinberg <zackw@panix.com>
15238 * genautomata.c (output_reserved_units_table): Emit nothing if
15239 description->query_units_num is zero. Remove extra blank line.
15240 (output_cpu_unit_reservation_p): Short circuit
15241 if description->query_units_num is zero.
15243 2006-01-22 Zack Weinberg <zackw@panix.com>
15245 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15246 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15247 nor any of the random handful of variables that used to be necessary
15248 when this program was linked with rtlanal.o. Prune set of forward
15249 function declarations.
15250 (struct attr_desc): Remove static_p field.
15251 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15252 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15253 (attr_string): Do not read the character one past the length of
15255 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15256 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15257 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15258 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15259 (make_automaton_attrs): New.
15260 (main): Do not call into genautomata. Call local gen_bypass
15261 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15262 Remove special case for insn_alts.
15263 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15264 varray.h (leftover from previous change). Prune set of forward
15265 function declarations. Remove state_alts fields from all
15266 structures. Remove state_alts_table from struct automaton.
15267 Make everything except main static. Do not maintain num_dfa_decls.
15268 Do not maintain state_alts fields of various structures.
15269 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15270 (add_arc): Remove state_alts argument. All callers updated.
15271 (output_reserved_units_table): Emit #ifdef here...
15272 (output_tables): ...not here. Don't generate state_alts tables.
15273 (expand_automata): Don't generate attributes.
15274 (write_automata): Don't generate state_alts functions.
15275 (main): New function.
15276 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15277 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15278 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15279 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15280 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15281 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15282 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15283 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15285 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15286 * genattrtab.h: Delete file.
15287 * Makefile.in (OBJS-common): Add insn-automata.o.
15288 (insn-automata.o): New rule.
15289 (simple_generated_c): Add insn-automata.c.
15290 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15291 (genprogmd): Add automata.
15292 (build/genattrtab): Needs no extra objects nor libraries.
15293 (build/genautomata): Needs build/vec.o and -lm.
15295 2006-01-22 Zack Weinberg <zackw@panix.com>
15297 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15298 (output_dfa_max_issue_rate, locked_states_num): Delete.
15299 (struct automaton): Add locked_states field.
15300 (output_dead_lock_vect): Save number of locked states in
15301 automaton->locked_states. If it is zero, don't print anything.
15302 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15303 (output_internal_dead_lock_func): Only test the dead_lock_vect
15304 for automata that have locked states.
15305 (output_statistics): Always print the number of locked states for
15306 each automaton. Calculate total number of locked states here.
15307 (write_automata): Don't call output_dfa_max_issue_rate.
15308 * genattrtab.c: Define length_unit_log as a const variable.
15309 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15310 max_insn_queue_index const.
15311 * final.c (length_unit_log): Declare const.
15312 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15314 2006-01-22 Zack Weinberg <zackw@panix.com>
15316 * genautomata.c: Include vec.h, not varray.h.
15317 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15318 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15319 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15320 VEC_* macros operating on appropriately typed vectors, or to
15321 malloced arrays when the size is known in advance. Const-ify
15322 many char* variables and function arguments. No functional changes.
15323 * Makefile.in (build/varray.o): Delete rule.
15324 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15325 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15327 2006-01-22 Zack Weinberg <zackw@panix.com>
15329 * gensupport.c: Define get_insn_name and record_insn_name here.
15330 (read_md_rtx): Call record_insn_name as appropriate.
15331 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15332 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15333 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15335 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15336 (BUILD_VARRAY): Delete.
15337 (genprognormal): Rename genprogmd. Fold in all programs from
15338 genprognoprint; also attrtab.
15339 (build/genattrtab): Just mention genautomata.o and varray.o.
15340 Reorganize a bit, add comments to make the categories clearer.
15342 2006-01-22 Zack Weinberg <zackw@panix.com>
15344 * genconditions.c (condition_table, add_condition): Delete.
15345 (write_conditions): Don't emit n_insn_conditions nor
15346 insn_elision_unavailable. Issue the gcc version #ifdef here,
15347 inside the table, with no #else clause ...
15348 (write_header): ...not here.
15349 (write_writer): New function.
15350 (main): Don't initialize condition_table. Use add_c_test.
15352 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15353 files on the command line.
15354 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15355 Return -1 if there is no entry in the table, don't abort.
15356 (add_c_test, traverse_c_tests): New functions.
15357 * gensupport.h (insn_elision_unavailable, insn_conditions)
15358 (n_insn_conditions): Delete declarations.
15359 (add_c_test, traverse_c_tests): Declare.
15360 * read-rtl.c: Include gensupport.h.
15361 (read_conditions): New function.
15362 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15363 (read_rtx_1): If we get EOF when we were looking for an initial
15364 open paren, return 0. Call read_conditions when appropriate.
15365 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15366 dummy-conditions.o. Eliminate references to insn-conditions.o,
15367 or change them to build/gencondmd.o, as appropriate. Remove
15368 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15369 from $(simple_generated_c). For all files remaining in those
15370 two lists, add insn-conditions.md to the generator command line.
15371 Give insn-constants.h/s-constants their own rules. Add rules
15372 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15373 (build/read-rtl.o): Depend on gensupport.h.
15374 (genprognormal): Include preds.
15375 (genprogearly): Rename genprognoprint; only difference is now that
15376 they don't link with $(BUILD_PRINT).
15377 * dummy-conditions.c: Delete.
15379 2006-01-22 Zack Weinberg <zackw@panix.com>
15381 * genextract.c: Don't include insn-config.h. Do include vec.h.
15382 Declare vectors of int, char, and locstr.
15383 (locstr): New typedef.
15384 (struct extraction): Make all array fields into bare pointers.
15385 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15386 (insn_code_number): Delete.
15387 (accum_extract): New struct.
15388 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15389 (gen_insn): Take insn_code_number as an argument. Use an
15390 accum_extract structure instead of loading data directly into
15391 a struct extraction, and having to know how big it might get.
15392 (walk_rtx): Operate entirely on an accum_extract structure.
15393 (print_path): Avoid unnecessary use of printf.
15394 (print_header): New function, split out of main. Distinguish
15395 more carefully between an unrecognizable insn and an insn that
15396 has the code number of a define_expand.
15397 (main): Pass insn_code_number to gen_insn. Call print_header
15398 only after parsing. Avoid unnecessary use of printf.
15399 * Makefile.in (build/vec.o): New rule.
15400 (build/genextract): Depend on build/vec.o.
15401 (build/genextract.o): Don't depend on insn-config.h.
15403 2006-01-22 Zack Weinberg <zackw@panix.com>
15405 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15406 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15407 practical. Eliminate per-generator-program link rules.
15409 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15411 PR middle-end/24437
15412 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15413 with a call expr to ...
15414 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15416 2006-01-23 Richard Guenther <rguenther@suse.de>
15418 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15419 before make_edge with conditional EDGE_TRUE_VALUE.
15421 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15422 Jan Hubicka <jh@suse.cz>
15423 Richard Guenther <rguenther@suse.de>
15425 PR rtl-optimization/25654
15426 * cfgexpand.c (aggregate_contains_union_type): New function.
15427 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15428 for structure variables that contain a union type.
15430 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15432 * gengtype.c (new_structure): Return the structure.
15433 (create_option): Add an extra "next" argument.
15434 (create_field): New function.
15435 (adjust_field_rtx_def): Use create_option and create_field.
15436 Remove a now-unnecessary call to find_structure.
15437 (adjust_field_tree_def): Likewise.
15438 (note_yacc_type): Remove an unnecessary call to find_structure.
15439 * gengtype.h (new_structure): Return the structure.
15440 (create_option): Add an extra argument.
15441 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15442 (option): Adjust calls to create_option.
15444 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15446 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15448 2006-01-22 Paul Brook <paul@codesourcery.com>
15449 Peter Barada <peter@the-baradas.com>
15451 * config/m68k/m68k.md: Add Coldfire FPU support.
15452 Define FP mode macro and associated attributes.
15453 Use it for float mode patterns.
15454 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15455 (LIBCALL_VALUE): Use m68k_libcall_value.
15456 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15457 (m68k_function_value): Ditto.
15458 (emit_move_sequence): Ditto.
15459 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15460 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15461 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15462 (MULTILIB_EXCEPTIONS): Ditto.
15463 * config/m68k/m68k.opt: Add mcfv4e.
15464 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15465 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15466 (m68k_output_function_prologue): Save ColdFire FPU registers.
15467 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15468 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15469 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15470 ColdFire FPU registers.
15471 (m68k_libcall_value, m68k_function_value): New functions.
15472 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15473 (LIBCALL_VALUE): Use m68k_libcall_value.
15474 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15475 (MASK_COLDFIRE): Add MASK_CFV4E.
15476 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15477 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15478 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15479 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15480 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15481 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15482 * doc/invoke.tex: Document -mcfv4e on m68k.
15484 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15486 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15489 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15492 * c-opts.c (c_common_handle_option): Don't include
15493 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15494 * doc/invoke.texi (C++ Dialect Options): Document that
15495 -Wnon-virtual-dtor is no longer included in -Wall.
15497 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15499 * gcov.c (print_version), gcov-dump.c (print_version),
15500 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15503 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15505 * df-scan.c (problem_SCAN): Added NULL reset function.
15506 (df_scan_reset_blocks): Added code to call reset block function
15507 (df_bb_refs_delete) Fixed comment.
15508 (df_insn_refs_delete): Made tolerant of deleting non existent info
15509 for dataflow problems that need to be reset.
15510 * df-core.c (df_set_blocks): Ditto.
15511 * df.h (struct df_problem): Added reset_fun.
15512 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15513 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15514 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15515 functions to clear out all references to def-use or use-def chains.
15517 2006-01-21 Ben Elliston <bje@au.ibm.com>
15519 * varasm.c (assemble_real): Initialise data array.
15521 2006-01-20 Paul Brook <paul@codesourcery.com>
15523 Merge from csl-arm-branch.
15524 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15525 * config/arm/arm.md (movdi): Force operands[1] to a register
15526 if we have a non-register source.
15527 (*arm_movdi, *movdf_soft_insn): Require that one of the
15528 operands be a register.
15529 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15530 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15532 2006-01-20 DJ Delorie <dj@redhat.com>
15534 * varasm.c (initializer_constant_valid_p): Allow pointers
15535 initialized from integer constants of lesser precision.
15536 (output_constant): Allow non-int-sized pointer modes to be
15537 initialized from integer constants.
15539 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15542 * cppdefault.h (struct default_include): Add multilib flag.
15543 * cppdefault.c (cpp_include_defaults): Set it.
15544 * c.opt (-imultilib): New option.
15545 * c-opts.c (imultilib): New.
15546 (c_common_handle_option): Handle -imultilib.
15547 (c_common_post_options): Likewise.
15548 * c-incpath.c (add_standard_paths, register_include_chains):
15550 * c-incpath.h (register_include_chains): Add extra parameter.
15551 * gcc.c (do_spec_1): Generate -imultilib option.
15552 (The Specs Language): Update %I description.
15553 (process_command): Update copyright notice.
15554 * doc/cppopts.texi (-imultilib): Document.
15555 * doc/invoke.texi (-imultilib): Include in option summary.
15556 (%I): Update specs documentation.
15558 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15560 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15562 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15564 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15567 2006-01-20 Richard Guenther <rguenther@suse.de>
15568 Steven Bosscher <stevenb.gcc@gmail.com>
15570 PR rtl-optimization/24626
15571 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15572 EDGE_TRUE_VALUE if in RTL mode.
15575 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15576 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15578 2006-01-20 Dirk Mueller <dmueller@suse.com>
15581 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15582 instead of a special NOP marker.
15583 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15584 NOP marker handling.
15585 * c-common.h (empty_body_warning): Add forward declaration.
15586 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15587 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15589 2006-01-20 Paul Brook <paul@codesourcery.com>
15591 * Makefile.in (lang_checks): Keep going if mkdir fails.
15593 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15595 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15596 be able to clean out basic block when not necessary.
15597 (df_scan_free): Fixed to properly delete information if df is
15598 unused before calling df_finish.
15599 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15600 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15602 (df_bb_refs_delete): New function.
15603 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15604 * df-core.c (df_set_blocks): Added code to properly clean out
15605 unused blocks if they are not part of the blocks to consider.
15606 Added additional null check.
15607 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15608 be able to clean out basic block when not necessary
15609 * df.h (df_free_bb_function): Ditto.
15610 (df_bb_refs_delete): New function.
15611 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15612 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15613 basic block parameter to be able to clean out basic block when not
15615 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15616 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15617 Fixed to properly delete information if df is unused before
15620 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15622 PR rtl-optimization/25799
15623 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15624 Corrected confluence operator to remove bits from op2 before oring
15625 with op1 rather than removing bits from op1.
15626 (df_ru_transfer_function): Corrected test on wrong bitmap which
15627 caused infinite loop. Both of these problems were introduced in
15628 the dataflow rewrite.
15630 2006-01-19 DJ Delorie <dj@redhat.com>
15632 * reload1.c (find_reload_regs): Note the details of reload
15633 failures in the dump file.
15634 (spill_failure): Likewise.
15636 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15638 * loop-iv.c: Include df.h and hashtab.h.
15639 (enum iv_grd_result): New enum.
15640 (DF_REF_IV, DF_REF_IV_SET): New macros.
15641 (struct biv_entry): New.
15642 (df, bivs): New global variables.
15643 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15644 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15646 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15647 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15648 analyzed_for_bivness_p, record_biv): New functions.
15649 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15650 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15651 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15653 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15655 (iv_number_of_iterations): Use new interface to iv analysis.
15656 * loop-unroll.c: Do not include varray.h.
15657 (analyze_iv_to_split_insn): Use new interface to iv
15659 * loop-unswitch.c (may_unswitch_on): Ditto.
15660 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15662 (df_bb_modify): Realloc tables to the new index.
15663 (df_find_use): New function.
15664 * df.h (df_find_use): Declare.
15665 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15667 * cfgloop.h (struct rtx_iv): Remove analysed field.
15668 (iv_get_reaching_def): Removed.
15669 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15670 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15671 (loop-iv.o): Add df.h and hashtab.h dependency.
15672 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15674 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15677 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15679 (__floatundisf, __floatundidf): Likewise.
15680 * libgcc2.h (IS_IBM_EXTENDED): Define.
15682 2006-01-19 DJ Delorie <dj@redhat.com>
15684 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15686 2006-01-19 Paul Brook <paul@codesourcery.com>
15688 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15689 as nothrow when unwinding tables are disabled.
15691 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15694 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15695 of bit-field" when in system header.
15697 2006-01-19 DJ Delorie <dj@redhat.com>
15699 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15700 the 16 bit shift limit of the m16c.
15702 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15705 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15706 * config/i386/i386.c (output_set_got): Output the label if we have one
15707 for the TARGET_DEEP_BRANCH_PREDICTION case.
15709 2006-01-19 Jan Hubicka <jh@suse.cz>
15710 H.J. Lu <hongjiu.lu@intel.com>
15711 Evandro Menezes <evandro.menezes@amd.com>
15713 * invoke.texi (generic): Document
15715 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15716 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15717 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15718 (x86_use_incdec, x86_pad_returns): New variables
15719 (TARGET_CPU_DEFAULT_generic): New constant
15720 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15721 (enum processor_type): Add generic32 and generic64.
15722 * i386.md (cpu attribute): Add generic32/generic64
15723 (movhi splitter): Behave sanely when both partial_reg_dependency and
15724 partial_reg_stall are set.
15725 (K8 splitters): Enable for generic as well.
15726 * predicates.md (incdec_operand): Use TARGET_INCDEC
15727 (aligned_operand): Avoid memory mismatch stalls.
15728 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15729 * ppro.md: Enable for generic32
15730 * i386.c (generic64_cost, generic32_cost): New.
15731 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15732 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15733 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15734 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15735 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15736 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15737 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15738 x86_accumulate_outgoing_args, x86_prologue_using_move,
15739 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15740 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15741 Enable for generic.
15742 (x86_use_incdec, x86_pad_returns): New.
15743 (override_options): Add generic32 and generic64, translate "generic"
15744 to generic32/generic64 and "i686" to "generic32", refuse
15745 "generic32"/"generic64" as arch target.
15746 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15747 (ix86_reorg): Honor PAD_RETURNS.
15749 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15751 * tree-pretty-print.c (dump_generic_node): Handle
15752 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15753 * cgraph.c (cgraph_expand_queue): Rename from
15754 cgraph_analyze_queue. Update all users.
15755 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15756 cgraph_expand_queue.
15757 (cgraph_expand_all_functions): Likewise.
15758 (cgraph_finalize_pending_functions): Remove. Update callers.
15760 * tree.h (OMP_DIRECTIVE_P): Define.
15761 (OMP_PARALLEL_FN): Define.
15762 (OMP_PARALLEL_DATA_ARG): Define.
15763 (OMP_SECTIONS_SECTIONS): Define.
15764 * tree-pass.h (pass_expand_omp): Declare.
15765 * omp-low.c (struct omp_region): Declare.
15766 (struct omp_context): Remove fields 'parallel_type',
15767 'parallel_start_ix' and 'parallel_start_additional_args'.
15769 (struct omp_for_data): Rename from struct expand_omp_for_data.
15770 (omp_regions): New static variable.
15771 (root_omp_region): New static variable.
15772 (find_omp_clause): Make static.
15773 (is_in_combined_parallel_ctx): Remove.
15774 (is_combined_parallel): New.
15775 (extract_omp_for_data): Move earlier in the file.
15776 (workshare_safe_to_combine_p): New.
15777 (get_ws_args_for): New.
15778 (determine_parallel_type): Move earlier in the file.
15779 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15781 (omp_copy_decl): Likewise.
15782 (create_omp_child_function): Likewise.
15783 (lookup_omp_region): New.
15784 (dump_omp_region): New.
15785 (debug_omp_region): New.
15786 (debug_all_omp_regions): New.
15787 (new_omp_region): New.
15788 (scan_omp_parallel): If parallel_nesting_level > 1, the
15789 directive is nested within another parallel directive.
15790 Set OMP_PARALLEL_FN.
15791 (scan_omp_for): Do not try to handle combined parallel+for
15793 Remove FIXME comment.
15794 (scan_omp_nested): Remove.
15795 (scan_omp_1): Do not call scan_omp_nested when
15796 parallel_nesting_level is > 1.
15797 Do not change the DECL_CONTEXT of local variables found.
15798 (lookup_decl_in_outer_ctx): New.
15799 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15800 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15801 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15802 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15803 If CTX is nested, lookup VAR in the outer context when
15804 building copy assignment.
15805 (lower_send_clauses): Rename from expand_send_clauses.
15806 If CTX is nested, lookup VAR in the outer context when
15807 building copy assignments.
15808 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15809 If CTX is nested, lookup VAR in the outer context when
15810 building copy assignments.
15811 (expand_parallel_call): Rename from build_parallel_call.
15812 Handle combined parallel+workshare cases.
15813 Re-implement to emit code into the CFG.
15815 (expand_omp_parallel): Re-implement to emit code into the CFG.
15816 Call move_sese_region_to_fn to outline the sub-graph
15817 containing the parallel region.
15818 (expand_omp_for_1): Remove.
15819 (expand_omp_for_generic): Re-implement to emit code into the
15821 (expand_omp_for_static_nochunk): Likewise.
15822 (expand_omp_for_static_chunk): Likewise.
15823 (expand_omp_for): Likewise.
15824 (expand_omp_sections): Likewise.
15825 (remove_exit_barriers): New.
15826 (expand_omp_synch): New.
15828 (build_omp_regions_1): New.
15829 (build_omp_regions): New.
15830 (execute_expand_omp): New.
15831 (gate_expand_omp): New.
15832 (pass_expand_omp): Define.
15833 (lower_omp_sections): Rename from expand_omp_sections.
15834 Set OMP_SECTIONS_SECTIONS.
15835 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15836 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15837 (lower_omp_single): Rename from expand_omp_simple.
15838 (lower_omp_master): Rename from expand_omp_master.
15839 (lower_omp_ordered): Rename from expand_omp_ordered.
15840 (lower_omp_critical): Rename from expand_omp_critical.
15841 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15842 (lower_omp_for): Re-implement.
15843 (lower_omp_parallel): Re-implement.
15844 (lower_regimplify): Rename from expand_regimplify.
15845 (lower_omp_1): Rename from expand_omp_1.
15846 If there are syntax errors in the program, replace every
15847 OpenMP directive with NOP.
15848 Call lower_omp_* instead of expand_omp_*.
15849 (lower_omp): Rename from expand_omp.
15851 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15852 * tree-gimple.h (enum omp_parallel_type): Remove.
15853 (gimple_boolify): Declare extern.
15854 (find_omp_clause, determine_parallel_type): Remove.
15856 * gimple-low.c (lower_omp_directive): New.
15857 (lower_stmt): Call it.
15858 (record_vars_into): Move from ...
15859 (record_vars): ... here.
15860 Call record_vars_into with current_function_decl.
15862 * gimplify.c (struct gimplify_ctx): Remove fields
15863 combined_pre_p and combined_ctxp. Update users.
15864 (get_formal_tmp_var): Add documentation.
15865 (gimple_boolify): Make extern.
15866 (gimplify_expr_in_ctx): Remove. Update callers.
15867 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15868 will always be a BIND_EXPR.
15869 (gimplify_expr): Handle OMP_RETURN_EXPR.
15870 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15871 (OMP_PARALLEL): Add 3 operands.
15872 (OMP_SECTIONS): Add 1 operand.
15873 (OMP_RETURN_EXPR): Define.
15875 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15876 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15877 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15878 creating a circular free list.
15879 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15881 * tree-flow.h (move_sese_region_to_fn): Declare.
15882 (record_vars_into): Declare.
15883 * tree-cfg.c (make_omp_sections_edges): New.
15884 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15885 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15886 OMP_SECTIONS and OMP_SECTION.
15887 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15888 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15889 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15890 (gather_blocks_in_sese_region): New.
15891 (struct move_stmt_d): Declare.
15892 (move_stmt_r): New.
15893 (move_block_to_fn): New.
15894 (move_sese_region_to_fn): New.
15896 * passes.c (init_optimization_passes): Schedule
15897 pass_expand_omp after pass_init_datastructures.
15899 * tree-ssa-operands.c (get_expr_operands): Handle
15900 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15901 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15903 2006-01-19 Jeff Law <law@redhat.com>
15905 * tree-vrp.c (extract_range_from_assert): Refine the result range
15906 if the variable referenced by the ASSERT_EXPR has a range and
15907 either the tentative result range or the previous range is a
15910 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15912 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15914 2006-01-19 Jan Hubicka <jh@suse.cz>
15916 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15918 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15920 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15921 (expand_compound_operation, expand_field_assignment): Fail if the
15922 bit lengths of an extract operation are out of range.
15923 (make_extraction): Compute wanted_inner_mode based on the position
15924 and length of the extraction. Make it extraction_mode for non-constant
15925 positions, and do not modify offset in that case. When generating a
15926 new MEM, use a mode that can hold the extraction while keeping correct
15927 alignment. Remove code that supported MEMs wrapped by USEs.
15928 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15930 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15932 * config/s390/s390.md ("Y", "y"): New mode attribute.
15933 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15934 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15935 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15936 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15937 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15938 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15939 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15940 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15941 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15942 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15943 "addsi3", "subsi3"): Insn patterns removed.
15944 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15945 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15946 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15947 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15948 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15949 "*sub<mode>3_cconly2"): New insn patterns.
15950 ("addsi3", "subsi3"): New expanders.
15952 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15954 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15955 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15956 existing STMT_VINFO_VECTYPE if available.
15957 (vect_mark_relevant): Add special handling for stmts that are
15958 marked as STMT_VINFO_IN_PATTERN_P.
15959 (vect_analyze_loop): Call vect_pattern_recog.
15960 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15961 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15963 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15964 (vect_recog_func_ptr): New function-pointer type.
15965 * tree-vect-patterns.c: New file.
15966 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15967 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15968 (vect_pattern_recog_1): New functions.
15969 (vect_pattern_recog_funcs): New array of function pointers.
15971 * tree-vectorizer.h (ternary_op): New enum value.
15972 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15973 declaration. Revised documentation. Removed redundant dump prints.
15974 Removed redundant argument. Added support for reduction patterns.
15975 (vectorizable_reduction): Added support for reduction patterns.
15976 (vect_transform_stmt): Added support for patterns.
15978 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15979 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15980 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15981 (expand_widen_pattern_expr): New function.
15982 (init_optabs): Initialize new optabs udot_prod_optab,
15984 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15985 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15986 (expand_widen_pattern_expr): New function declaration.
15987 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15989 * tree-inline.c (estimate_num_insns_1): Added cases for new
15990 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15991 * tree-pretty-print.c (dump_generic_node): Likewise.
15992 (op_prio): Likewise.
15993 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15994 * tree-ssa-operands.c (get_expr_operands): Added case for
15996 * tree-vect-patterns.c (widened_name_p): New function.
15997 (vect_recog_dot_prod_pattern): Added function implementation.
15998 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15999 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16000 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16001 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16003 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16004 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16005 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16006 (init_optabs): Initialize new optabs widen_ssum_optab,
16008 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16009 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16010 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16011 use instead of type of def.
16012 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16013 function implementation.
16014 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16015 widen_ssumv8hi): New.
16017 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16020 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16023 * c-decl.c (add_flexible_array_elts_to_size): New function.
16024 (finish_decl): Use it.
16026 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16028 * diagnostic.h: Include options.h.
16029 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16030 dependancies for diagnostic.h.
16031 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16033 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16035 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16036 (ssa_ro_call_cache_valid): Ditto.
16037 * tree-ssa-alias.c (sort_tags_by_id): New function.
16038 (init_transitive_clobber_worklist): Ditto.
16039 (add_to_worklist): Ditto.
16040 (mark_aliases_call_clobbered): Ditto.
16041 (compute_tag_properties): Ditto.
16042 (set_initial_properties): Ditto.
16043 (compute_call_clobbered): Ditto.
16044 (compute_may_aliases): Call compute_call_clobbered and grouping.
16045 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16046 (compute_flow_insensitive_aliasing): Grouping now happens in our
16048 (setup_pointers_and_addressables): Remove clobbering related code.
16049 (add_may_alias): Ditto.
16050 (replace_may_alias): Ditto.
16051 (get_nmt_for): Ditto.
16052 (create_global_var):
16053 (is_escape_site): Return an escape_type enumeration.
16054 * tree-flow-inline.h (is_call_clobbered): Global var does not
16055 imply call clobbered.
16056 (mark_call_clobbered): Take a reason for marking this. Remove
16057 marking of globalness, and cache invalidation.
16058 (clear_call_clobbered): Remove cache invalidation code.
16059 * tree-dfa.c (dump_variable): If details is on, dump the reason
16061 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16063 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16064 (struct var_ann_d): Ditto.
16065 (enum escape_type): New.
16066 (mark_call_clobbered): Adjust prototype.
16067 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16068 are never call clobbered.
16069 Record reasons for escaping.
16070 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16071 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16072 (ssa_ro_call_cache_valid): Ditto.
16073 (clobbered_v_may_defs): Ditto.
16074 (clobbered_vuses): Ditto.
16075 (ro_call_vuses): Ditto.
16076 (clobber_stats): New.
16077 (init_ssa_operands): Zero out clobber stats.
16078 (fini_ssa_operands): Print out clobber stats.
16079 (get_call_expr_operands): Pass callee fndecl to
16080 add_call_read_ops).
16081 (add_call_clobber_ops): Remove use of cache.
16082 Add use of PURE_CONST information.
16083 (add_call_read_ops): Remove use of cache.
16084 Add use of static not_read information.
16086 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16088 Introduce TLS descriptors for i386 and x86_64.
16089 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16090 (TARGET_ANY_GNU_TLS): New macro.
16091 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16092 (struct machine_function): Add tls_descriptor_call_expanded_p.
16093 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16094 (ix86_current_function_calls_tls_descriptor): Likewise.
16095 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16096 (override_options): Introduce gnu2 tls dialect.
16097 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16099 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16101 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16102 (ix86_init_machine_status): Initialize new field.
16103 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16104 (ix86_tls_module_base): New.
16105 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16106 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16107 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16108 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16109 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16110 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16111 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16112 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16113 * config/i386/predicates.md (tls_modbase_operand): New.
16114 (tp_or_register_operand): New.
16116 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16118 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16119 (look_for_address_of): Ditto.
16120 (ipa_init): Walk the function decls.
16121 (static_execute): Don't set readonly on FUNCTION_DECL's.
16123 2006-01-18 Roger Sayle <roger@eyesopen.com>
16125 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16126 for shifts where the source and destination registers are different.
16128 2006-01-18 Paul Brook <paul@codesourcery.com>
16130 Merge from csl-arm-branch.
16131 2005-03-14 Julian Brown <julian@codesourcery.com>
16132 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16133 (aeabi_llsl): Likewise.
16134 (ashrdi3): Likewise.
16135 (aeabi_lasr): Likewise.
16136 (lshrdi3): Likewise.
16137 (aeabi_llsr): Likewise.
16138 2005-03-10 Julian Brown <julian@codesourcery.com>
16139 * config.gcc: Disable shared libgcc for SymbianOS.
16140 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16142 2006-01-18 DJ Delorie <dj@redhat.com>
16144 * c-pragma.c (handle_pragma_diagnostic): New.
16145 (init_pragma): Register it.
16146 * doc/extend.texi: Document it.
16148 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16149 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16150 (diagnostic_context): Add classify_diagnostic[].
16151 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16152 as errors if they're overridden to DK_WARNING.
16153 (diagnostic_initialize): Initialize classify_diagnostic[].
16154 (diagnostic_set_kind_override): New.
16155 (diagnostic_report_diagnostic): Check for kind changes.
16156 * opts.c (common_handle_option): Take lang_mask. Update callers.
16157 Handle OPT_Werror_.
16158 * common.opt (Werror=): New.
16159 * doc/invoke.texi: Document -Werror=*
16161 2006-01-18 Jeff Law <law@redhat.com>
16163 * tree-vrp.c (test_for_singularity): Correct test for new
16164 min limit. Use operand_equal_p rather than pointer equality
16165 for testing if new min/max values are equal.
16167 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16168 using range information until after propagation and folding.
16170 2006-01-18 Richard Henderson <rth@redhat.com>
16171 Aldy Hernandez <aldyh@redhat.com>
16172 Jakub Jelinek <jakub@redhat.com>
16173 Diego Novillo <dnovillo@redhat.com>
16175 * omp-low.c: New file.
16176 * c-omp.c: New file.
16178 2006-01-18 Richard Henderson <rth@redhat.com>
16179 Jakub Jelinek <jakub@redhat.com>
16180 Diego Novillo <dnovillo@redhat.com>
16182 * doc/invoke.texi: Document -fopenmp.
16183 * tree-dump.h (debug_function): Declare.
16184 * hooks.c (hook_bool_tree_bool_false): New function.
16185 (hook_tree_tree_null): Remove.
16186 (hook_tree_tree_tree_null): New.
16187 * hooks.h: Update to match.
16188 * tree-pretty-print.c (debug_tree_chain): New.
16189 (print_generic_expr): Handle TDF_CHAIN.
16190 (dump_generic_node): Handle BLOCK.
16191 Do not abort with incomplete SWITCH_EXPRs.
16192 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16193 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16194 print space after directive name.
16195 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16196 Handle OMP_MASTER and OMP_ORDERED.
16197 Handle printing of OMP_BODY just in one place, goto
16198 dump_omp_body in the rest of OMP_* nodes that have
16200 Don't handle clause nodes here. Update omp statements to
16201 use dump_omp_clauses.
16202 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16203 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16204 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16205 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16206 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16207 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16208 Adjust output for GOMP_PARALLEL.
16209 (dump_omp_clauses): New.
16210 (print_declaration): Dump DECL_VALUE_EXPR.
16211 (op_symbol_1): Split out of op_symbol.
16212 (dumping_stmts): Remove. Update all users.
16213 * cgraph.c (cgraph_analyze_queue): New.
16214 (cgraph_add_new_function): New.
16215 * cgraph.h (cgraph_analyze_queue): Declare.
16216 (cgraph_add_new_function): Declare.
16217 (cgraph_lower_function): Remove.
16218 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16219 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16220 and TYPE_P nodes in its default clause.
16221 (empty_body_p): New.
16222 (tree_range_check_failed): New.
16223 (build5_stat): New.
16224 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16225 OMP_CLAUSE_REDUCTION_MERGE,
16226 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16227 OMP_CLAUSE_PRIVATE_DEBUG,
16228 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16229 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16230 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16231 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16232 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16233 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16234 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16235 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16236 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16237 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16238 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16239 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16240 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16241 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16242 (TREE_RANGE_CHECK): New.
16243 (empty_body_p): Declare.
16244 (enum omp_clause_default_kind): New.
16245 (build_string_literal): Declare.
16246 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16247 (build5_stat, build5): Declare.
16248 * tree-pass.h (TDF_CHAIN): Define.
16249 * tree-pass.h (PROP_gimple_lomp): Define.
16250 (pass_lower_omp): Declare.
16251 * diagnostic.h (debug_tree_chain): Declare.
16252 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16254 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16255 * builtins.c (build_string_literal): Make extern.
16256 * gcc.c (include_spec_function): New.
16257 (static_spec_functions): Add it.
16258 (main): Move load of libgomp.spec ...
16259 (LINK_COMMAND_SPEC): ... here.
16260 (link_gomp_spec): New.
16261 (static_specs): Include it.
16262 (LINK_COMMAND_SPEC): Add link_gomp.
16263 (GOMP_SELF_SPECS): New.
16264 (driver_self_specs): Include it.
16265 (switch_matches): Don't mark inline.
16266 (main): Load libgomp.spec.
16267 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16268 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16269 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16270 * tree-gimple.h (enum omp_parallel): Declare.
16271 (determine_parallel_type): Declare.
16272 (omp_firstprivatize_variable): Declare.
16273 (omp_reduction_init): Declare.
16274 (diagnose_omp_structured_block_errors): Declare.
16275 (struct walk_stmt_info): Add want_return_expr.
16276 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16277 (find_omp_clause): Declare.
16278 (insert_field_into_struct): Declare.
16279 (struct walk_stmt_info): Move from tree-nested.c
16280 (walk_stmts): Declare.
16281 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16283 * cgraphunit.c (cgraph_lower_function): Make static.
16284 (cgraph_finalize_pending_functions): New.
16285 (cgraph_finalize_function): Call it.
16286 (cgraph_finalize_compilation_unit): Likewise.
16287 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16288 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16289 (BT_FN_UINT_UINT): New.
16290 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16291 DEF_FUNCTION_TYPE_VAR_4): Document.
16292 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16293 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16294 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16295 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16296 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16297 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16298 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16299 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16300 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16301 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16302 into separate files.
16303 (DEF_GOMP_BUILTIN): New.
16304 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16305 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16306 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16307 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16308 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16309 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16310 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16311 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16312 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16313 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16314 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16315 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16316 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16317 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16318 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16319 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16320 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16321 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16322 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16323 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16324 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16325 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16326 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16327 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16328 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16329 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16330 * sync-builtins.def: New file, moved from builtins.def.
16331 * omp-builtins.def: New file, moved from builtins.def.
16332 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16333 * gimple-low.c (lower_function_body): Clear data.
16334 (lower_stmt): Do not handle COMPOUND_EXPR.
16335 Remove call to print_node_brief.
16336 * c-tree.h (c_finish_omp_clauses): New prototype.
16337 (C_DECL_THREADPRIVATE_P): Define.
16338 (lookup_name_no_remap, c_omp_remap_private): Remove
16339 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16340 (check_for_loop_decls): Update decl.
16341 (lookup_name_no_remap, c_omp_remap_private): Declare.
16342 (build_indirect_ref, build_modify_expr, pushdecl,
16343 pushdecl_top_level): Move to c-common.h.
16344 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16345 before the switch, but just in the 2 places that need it.
16346 * c-decl.c (diagnose_mismatched_decls): Do not check for
16347 mismatched thread-local attributes when OLDDECL is marked
16348 threadprivate and NEWDECL has no thread-local attributes.
16349 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16350 (c_gimple_diagnostics_recursively): Rename from
16351 c_warn_unused_result_recursively. Invoke
16352 diagnose_omp_structured_block_errors.
16353 (check_for_loop_decls): Return a singular decl found.
16354 * langhooks.c (lhd_omp_predetermined_sharing): Return
16355 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16356 (lhd_omp_firstprivatize_type_sizes): New.
16357 (lhd_omp_assignment): New.
16358 (lhd_omp_predetermined_sharing): New.
16359 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16360 (struct lang_hooks_for_types): Add
16361 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16362 omp_predetermined_sharing, omp_disregard_value_expr,
16363 omp_private_debug_clause, omp_clause_default_ctor,
16364 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16365 (c_finish_omp_clauses): New.
16366 (c_finish_bc_stmt): Diagnose break within omp for.
16367 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16368 (build_unary_op): Return error_mark after reporting
16370 (build_modify_expr): Likewise.
16371 * gimplify.c: Include optabs.h and pointer-set.h.
16372 (enum gimplify_omp_var_data): Declare.
16373 (struct gimplify_omp_ctx): Declare.
16374 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16376 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16377 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16378 (splay_tree_compare_decl_uid): New.
16379 (new_omp_context): New.
16380 (delete_omp_context): New.
16381 (gimple_add_tmp_var): Call omp_add_variable.
16382 (gimplify_bind_expr): Likewise.
16383 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16384 true, disregard DECL_VALUE_EXPR on the decl if any.
16385 (gimplify_expr_in_ctx): New.
16386 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16387 omp_add_variable, omp_notice_variable, omp_is_private
16388 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16389 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16390 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16391 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16392 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16393 gimplify_omp_atomic): New.
16394 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16395 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16396 OMP_CRITICAL and OMP_ATOMIC.
16397 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16398 * c-pragma.h (enum pragma_kind): Add
16399 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16400 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16401 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16402 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16403 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16404 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16405 PRAGMA_OMP_THREADPRIVATE.
16406 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16407 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16408 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16409 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16410 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16411 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16412 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16413 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16414 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16415 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16416 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16417 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16418 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16420 (struct nesting_info): Add field_map,
16421 suppress_expansion, debug_var_chain.
16422 (create_nesting_tree): Initialize them.
16423 (lookup_field_for_decl): Use field_map.
16424 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16425 (convert_local_omp_clauses): New.
16426 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16427 (walk_body): Split out of walk_function.
16428 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16429 (convert_nonlocal_reference): Handle omp statements.
16430 (convert_local_reference): Likewise.
16431 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16432 (unnest_nesting_tree): New.
16433 (lower_nested_functions): Call it.
16434 (insert_field_into_struct): Make extern.
16435 (struct walk_stmt_info): Move to tree-gimple.h.
16436 (walk_stmts): Make extern.
16437 * omp-builtins.def: New file.
16438 * tree-iterator.c (expr_only): Clarify comment.
16439 * c-common.h (pushdecl_top_level, pushdecl,
16440 build_modify_expr, build_indirect_ref,
16441 c_finish_omp_master, c_finish_omp_critical,
16442 c_finish_omp_ordered, c_finish_omp_barrier,
16443 c_finish_omp_atomic, c_finish_omp_flush,
16444 c_finish_omp_for, c_split_parallel_clauses,
16445 omp_clause_default_kind, c_omp_sharing_predetermined,
16446 c_omp_remap_decl): Declare.
16447 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16448 (OBJS-common): Add omp-low.o.
16449 (c-omp.o, omp-low.o): Add.
16450 (gimplify.o): Add dependency on $(OPTABS_H).
16451 (GTFILES): Add omp-low.c.
16452 (gt-stringpool.h): Add.
16453 * tree-cfg.c (set_bb_for_stmt): Do not update the
16454 block-to-labels map if we are currently expanding to RTL.
16455 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16457 Handle IDENTIFIER_NODE.
16458 (tree_verify_flow_info): Do not ICE when emitting error
16459 messages about invalid labels.
16460 (dump_function_to_file): Reset CFUN before emitting the body
16462 (debug_function): New.
16463 * passes.c (init_optimization_passes): Schedule
16465 * langhooks-def.h (lhd_omp_predetermined_sharing,
16466 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16468 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16469 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16470 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16471 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16472 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16473 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16474 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16475 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16476 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16477 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16478 (LANG_HOOK_DECLS): Use them.
16480 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16481 Richard Henderson <rth@redhat.com>
16482 Jakub Jelinek <jakub@redhat.com>
16483 Diego Novillo <dnovillo@redhat.com>
16485 * c-parser.c (pragma_omp_clause): Define.
16486 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16487 (c_parser_compound_statement): Likewise.
16488 (c_parser_statement): Likewise.
16489 (c_parser_pragma): Handle omp pragmas.
16490 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16491 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16492 (c_parser_omp_clause_name, check_no_duplicate_clause,
16493 c_parser_omp_variable_list,
16494 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16495 c_parser_omp_clause_copyprivate,
16496 c_parser_omp_clause_default,
16497 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16498 c_parser_omp_clause_lastprivate,
16499 c_parser_omp_clause_nowait,
16500 c_parser_omp_clause_num_threads,
16501 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16502 c_parser_omp_clause_reduction,
16503 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16504 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16505 c_parser_omp_atomic, c_parser_omp_barrier,
16506 c_parser_omp_critical, c_parser_omp_flush,
16507 c_parser_omp_for_loop, c_parser_omp_for,
16508 c_parser_omp_master, c_parser_omp_ordered,
16509 c_parser_omp_sections_scope, c_parser_omp_sections,
16510 c_parser_omp_parallel, c_parser_omp_single,
16511 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16512 * c-pragma.c (init_pragma): Do omp pragma registration here.
16513 * c.opt (fopenmp): New flag.
16515 2006-01-18 Eric Christopher <echristo@apple.com>
16517 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16518 * config/darwin.h (GOMP_SELF_SPECS): Define.
16520 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16522 * rtl.h: Remove the prototype for reg_alloc.
16524 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16527 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16528 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16529 sjlj and dwarf2 exception handling.
16530 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16531 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16532 * pa/pa.c (function_value): Treat complex and vector types as
16534 (function_arg): Likewise. Only pass scalar floats in the floating
16535 point argument registers.
16536 * pa/t-slibgcc-dwarf-ver: New file.
16537 * pa/t-slibgcc-sjlj-ver: New file.
16538 * pa/t-slibgcc-elf-ver: Delete file.
16540 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16542 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16543 unlikely_test_section_p test.
16545 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16547 * mode-switching.c (optimize_mode_switching): Make it static.
16548 * basic-block.h: Remove the prototype for
16549 optimize_mode_switching.
16551 * modulo-sched.c (sms_schedule): Make it static.
16552 * rtl.h: Remove the prototype for sms_schedule.
16554 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16555 * rtl.h: Remove the prototype for gcse_after_reload_main.
16557 * reg-stack.c (reg_to_stack): Make it static.
16558 * rtl.h: Remove the prototype for reg_to_stack.
16560 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16562 * rtl.h: Remove the prototypes for regrename_optimize and
16563 copyprop_hardreg_forward.
16565 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16567 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16568 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16569 Test against the appropriate null constant for the mode.
16570 If 'fixup_overlap' is true, swap the operands if they overlap.
16571 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16572 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16573 alpha_split_tmode_pair and adjust for above change.
16574 * config/alpha/alpha.md (movtf_internal): Adjust call to
16575 alpha_split_tfmode_pair and rely on it to swap the operands.
16576 (movti_internal): New insn and post-reload splitter.
16577 (movti): New expander.
16579 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16581 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16584 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16586 * rtlanal.c (global_reg_mentioned_p_1,
16587 global_reg_mentioned_p): Remove.
16588 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16590 * flow.c (initialize_uninitialized_subregs): Make it static.
16591 * rtl.h: Remove the prototype for
16592 initialize_uninitialized_subregs.
16594 * function.c (instantiate_virtual_regs): Make it static.
16595 * function.h: Remove the prototype for
16596 instantiate_virtual_regs.
16598 * regmove.c (regmove_optimize, combine_stack_adjustments):
16600 * rtl.h: Remove the prototypes for regmove_optimize and
16601 combine_stack_adjustments.
16603 2006-01-17 Roger Sayle <roger@eyesopen.com>
16605 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16606 (size_cost): Encode costs in bytes so that a reg-reg addition is
16607 equivalent to COSTS_N_INSNS(1).
16608 (override_options): Use the size_cost.branch_cost as the default
16609 ix86_branch_cost when optimizing for size.
16611 2006-01-18 Ben Elliston <bje@au.ibm.com>
16613 * Makefile.in (D32PBIT_FUNCS): New.
16614 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16615 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16616 D64PBIT_FUNCS and D128PBIT_FUNCS.
16617 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16618 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16620 (decnumber_dep): Define.
16621 * doc/libgcc.texi (Decimal float library routines): New node.
16622 * config/dfp-bit.h, config/dfp-bit.c: New files.
16624 2006-01-18 Ben Elliston <bje@au.ibm.com>
16626 * expr.c (emit_move_change_mode): Always adjust addresses, not
16627 just during reload. Copy replacements only during reload.
16628 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16629 emit_move_via_integer.
16631 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16633 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16634 instead of $(srcdir) and ${srcdir}.
16636 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16639 PR middle-end/11135
16640 * arm.h (struct machine_function): Add pic_reg.
16641 * arm.c (arm_pic_register): Make unsigned.
16642 (arm_override_options): Only set arm_pic_register if
16643 TARGET_SINGLE_PIC_BASE.
16644 (use_return_insn): Only test for a pic register if it is fixed.
16645 (arm_compute_save_reg0_reg12_mask): Likewise.
16646 (thumb_compute_save_reg_mask): Likewise.
16647 (legitimate_pic_operand): Factor out some known invariants.
16648 (legitimize_pic_address): If we don't have a fixed pic register,
16649 then set up a pseudo in the function entry sequence. Handle the
16650 pic base being in a pseudo.
16651 (arm_load_pic_register): Handle the pic register being in a pseudo.
16652 (arm_expand_prologue): Only set up the pic register if it is fixed.
16653 (thumb_expand_prologue): Likewise.
16654 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16655 (pic_load_addr_based_insn): Likewise.
16656 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16659 2006-01-18 Ben Elliston <bje@au.ibm.com>
16661 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16662 decimal float modes for all floating point registers.
16664 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16665 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16667 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16670 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16671 even when the pointer is not NULL.
16673 2006-01-16 Ian Lance Taylor <ian@airs.com>
16675 * common.opt (ftoplevel-reorder): New option.
16676 * cgraph.c (cgraph_asm_nodes): New global variable.
16677 (cgraph_asm_last_node): New static variable.
16678 (cgraph_order): New global variable.
16679 (cgraph_create_node): Set new order field.
16680 (cgraph_varpool_node): Likewise.
16681 (decide_is_variable_needed): Return true if not
16682 flag_toplevel_reorder.
16683 (cgraph_add_asm_node): New function.
16684 * cgraph.h (struct cgraph_node): Add order field.
16685 (struct cgraph_varpool_node): Add order field.
16686 (struct cgraph_asm_node): Define.
16687 (cgraph_asm_nodes, cgraph_order): Declare.
16688 (cgraph_add_asm_node): Declare.
16689 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16691 (cgraph_varpool_assemble_pending_decls): Call it.
16692 (cgraph_output_pending_asms): New static function.
16693 (cgraph_finalize_compilation_unit): Call it.
16694 (struct cgraph_order_sort): Define.
16695 (cgraph_output_in_order): New static function.
16696 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16697 !flag_toplevel_reorder case.
16698 * c-parser.c: Include "cgraph.h".
16699 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16701 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16702 than -fno-unit-at-a-time.
16703 * doc/invoke.texi (Option Summary): Mention
16704 -fno-toplevel-reorder.
16705 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16706 -funit-at-a-time documentation.
16708 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16709 Kazu Hirata <kazu@codesourcery.com>
16711 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16713 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16715 * Makefile.in (FUNCTION_H): New. Use it instead of
16716 function.h throughout the file.
16717 * function.h: Include tree.h.
16719 2006-01-17 Ben Elliston <bje@au.ibm.com>
16721 * recog.c: Separate some functions with whitespace.
16723 2006-01-16 Richard Henderson <rth@redhat.com>
16725 Merge from gomp branch:
16726 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16727 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16728 and rename from struct inline_data. Rename callee* to dst*;
16729 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16730 transform_new_cfg, transform_return_to_modify, and
16731 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16733 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16734 (copy_decl_for_dup): Remove.
16735 * tree-inline.c (struct inline_data): Move to header.
16736 (insert_decl_map): Export.
16737 (remap_decl): Update for member name changes. Use copy_decl hook.
16738 Allow for replacement to be a non-decl. Remove dead code.
16739 (remap_type_1): Check for existing mapping.
16740 (remap_type): Export.
16741 (remap_decls): Update for member name changes.
16742 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16743 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16744 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16745 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16746 (tree_function_versioning, build_duplicate_type): Likewise.
16747 (copy_body_r): Likewise. Export.
16748 (copy_decl_for_dup): Split into ...
16749 (copy_decl_for_dup_finish, copy_decl_to_var,
16750 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16751 (replace_ref_tree, inlining_p): Remove.
16753 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16755 * ifcvt.c (if_convert): Make it static.
16756 * rtl.h: Remove the prototype for if_convert.
16758 * local-alloc.c (local_alloc): Make it static.
16759 * rtl.h: Remove the prototype for local_alloc.
16761 * loop.c (loop_optimize): Make it static.
16762 * cfgloop.h: Remove the prototype for loop_optimize.
16765 2006-01-16 DJ Delorie <dj@redhat.com>
16767 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16770 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16772 * pa.md: Disparage copies between general and floating-point registers
16773 in 32-bit move patterns.
16775 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16778 * Makefile.in (check-%): Depend on site.exp instead of
16779 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16782 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16784 * global.c (global_alloc): Make it static.
16785 * rtl.h: Remove the prototype for global_alloc.
16787 2006-01-16 Richard Guenther <rguenther@suse.de>
16789 * tree-ssa-alias.c (struct used_part): Add write_only field.
16790 (get_or_create_used_part_for): Initialize it to true.
16791 (create_overlap_variables_for): Don't create structure variables
16792 for structures that only are written to.
16793 (find_used_portions): Handle MODIFY_EXPR to track whether a
16794 structure is only written to.
16796 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16798 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16800 * basic-block.h: Remove the prototype for
16801 partition_hot_cold_basic_blocks.
16803 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16805 * cppspec.c (lang_specific_spec_functions): Remove.
16806 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16807 * gcc.h (lang_specific_spec_functions): Remove.
16808 * gccspec.c (lang_specific_spec_functions): Remove.
16810 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16812 * combine.c (record_value_for_reg): Invalidate registers
16814 (record_dead_and_set_regs_1): Likewise, by passing them to
16815 record_value_for_reg.
16816 (record_dead_and_set_regs): Invalidate stores made by a
16817 call. We do not combine across a call, but we still
16818 relied on equivalences.
16820 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16822 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16823 vrp_int_const_binop returning non-constant nodes.
16825 2006-01-16 Paul Brook <paul@codesourcery.com>
16827 * config/m68k/m68k.c (output_move_const_into_data_reg):
16828 Output correct mnemonic for mvz and mvs.
16830 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16832 * rtl-factoring.c: Add sequence abstraction algorithm.
16833 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16834 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16836 (block_has_preserve_label): New function.
16837 * common.opt: Register new pass.
16838 * Makefile.in: Ditto.
16840 * timevar.def: Ditto.
16841 * tree-pass.h: Ditto.
16842 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16843 * rtl.h (make_jump_insn_raw): Add forward decl.
16844 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16846 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16847 Roger Sayle <roger@eyesopen.com>
16849 * fold-const.c (fold_minmax): New static function.
16850 (fold_binary) <MIN_EXPR>: Call it.
16851 <MAX_EXPR>: Likewise.
16852 * stor-layout.c (place_field): Use DECL_SIZE consistently
16853 in the computation of the new record size.
16855 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16857 * cse.c (cse_condition_code_reg): Make it static.
16858 * rtl.h: Remove the prototype for cse_condition_code_reg.
16860 * combine.c (combine_instructions): Make it static.
16861 * rtl.h: Remove the prototype for combine_instructions.
16863 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16866 * tree.c (get_file_function_name_long): Concatenate the first global
16867 object name with a string derived from the input filename of the object
16870 2006-01-16 Ben Elliston <bje@au.ibm.com>
16872 * config/i386/winnt-stubs.c: Update FSF address.
16873 * config/xtensa/ieee754-df.S: Ditto.
16874 * config/xtensa/ieee754-sf.S: Ditto.
16876 2006-01-14 Ian Lance Taylor <ian@airs.com>
16878 * ifcvt.c (noce_init_if_info): New static function, broken out of
16879 noce_process_if_block.
16880 (noce_process_if_block): Call noce_init_if_info.
16881 (check_cond_move_block): New static function.
16882 (cond_move_process_if_block): New static function.
16883 (process_if_block): Call cond_move_process_if_block.
16885 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16887 * cselib.c (hash_table): Rename to cselib_hash_table.
16888 (cselib_clear_table, discard_useless_values,
16889 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16890 cselib_init, cselib_finish): Adjust uses of hash_table.
16892 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16894 PR tree-optimization/25485
16895 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16896 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16897 is known to be false and true, respectively.
16899 2006-01-14 Richard Guenther <rguenther@suse.de>
16901 PR tree-optimization/22548
16902 PR tree-optimization/22555
16903 PR tree-optimization/22501
16904 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16905 * params.def (salias-max-array-elements): New parameter.
16906 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16907 * doc/invoke.texi (salias-max-array-elements): Document.
16908 * tree-flow-inline.h (var_can_have_subvars): We also handle
16910 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16912 * tree-ssa-structalias.c (params.h): Include.
16913 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16914 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16915 (get_constraint_for): For ADDR_EXPR operating on something
16916 containing an ARRAY_REF, add all subvars to the solution.
16917 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16918 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16919 for creating MUST_DEFs.
16920 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16922 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16924 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16926 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16927 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16928 number_of_iterations_le): New functions.
16929 (number_of_iterations_special): Removed.
16930 (number_of_iterations_exit): Do not use number_of_iterations_special.
16931 * tree.c (unsigned_type_for): Always return integer type.
16933 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16934 Richard Guenther <rguenther@suse.de>
16936 PR rtl-optimization/24257
16937 * gcse.c (find_moveable_store): Only consider a store movable
16938 when the SET_SRC of the insn can be assigned to a register.
16940 2006-01-14 Ian Lance Taylor <ian@airs.com>
16942 * tree.c (tree_not_class_check_failed): New function.
16943 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16944 (tree_not_class_check_failed): Declare.
16946 2006-01-13 Ian Lance Taylor <ian@airs.com>
16948 * reload1.c (do_output_reload): Add assertion rejecting a
16951 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16953 * combine.c (struct reg_stat): Add new fields truncation_label and
16955 (record_value_for_reg): Reset truncated_to_mode.
16956 (record_truncated_value): New function.
16957 (check_promoted_subreg): Call it. Rename to check_conversions.
16958 (combine_instructions): Rename check_promoted_subreg to
16960 (reg_truncated_to_mode): New function.
16961 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16962 (gen_lowpart_or_truncate): New function.
16963 (force_to_mode): Use it instead of gen_lowpart.
16965 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16967 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16968 VAR is a tag, not its type tag.
16970 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16972 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16973 alternatives to match style of other entries.
16974 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16976 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16978 PR tree-optimization/25771
16979 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16982 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16985 * tree-inline.c (declare_return_variable): If the return variable
16986 was marked as a non gimple complex, set the return slot variable
16987 to be a non gimple comple variable.
16989 2006-01-13 Richard Guenther <rguenther@suse.de>
16991 * builtins.c (expand_builtin_sincos): New function.
16992 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16994 (expand_builtin): Expand sincos using expand_builtin_sincos.
16996 2006-01-12 DJ Delorie <dj@redhat.com>
16998 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16999 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17000 so that constant shifts can be split.
17001 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17002 (m32c_valid_pointer_mode): Make static.
17003 (shift_gen_func_for): New.
17004 (m32c_prepare_shift): Use it. Split large const shifts into
17006 * config/m32c/predicates.md (shiftcount_operand): Allow more
17008 (longshiftcount_operand): New.
17009 * doc/md.texi (Machine Constraints): Document In6.
17011 2006-01-13 Ben Elliston <bje@au.ibm.com>
17013 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17014 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17017 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17019 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17020 to try to avoid clobbering pieces of structures when we know
17021 something about the whole structure.
17022 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17024 2006-01-13 Ben Elliston <bje@au.ibm.com>
17026 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17027 return in memory, as this is no limitation is no longer present.
17029 2006-01-12 DJ Delorie <dj@redhat.com>
17031 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17032 mova with fb, and for fb+0 -> An.
17034 * config/m32c/mov.md (peephole2): Fix enabling logic.
17036 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17037 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17038 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17039 FINI_ARRAY_SECTION_ASM_OP): Define.
17041 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17043 (m32c_legitimize_reload_address): New logic to reload FB to An.
17044 (m32c_output_reg_push): Add newline.
17045 (m32c_output_reg_pop): Likewise.
17047 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17049 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17051 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17053 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17055 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17057 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17060 2006-01-11 Ben Elliston <bje@au.ibm.com>
17062 * rtlanal.c (find_reg_note): Assert insn is not null.
17064 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17066 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17069 2006-01-11 Jeff Law <law@redhat.com>
17071 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17073 (mark_threaded_blocks, register_jump_thread): New functions.
17074 (thread_through_all_blocks): Remove unwanted argument. No
17075 longer rely on e->aux to communicate thread target info.
17076 Call mark_threaded_blocks. Release the threaded_blocks
17077 bitmap and threaded_edges vector when complete.
17078 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17079 (threaded_blocks): Remove.
17080 (tree_ssa_dominator_optimize): Remove initialization and
17081 finalization of threaded_blocks. Simplify call to
17082 thread_through_all_blocks.
17083 (thread_across_edge): Call register_jump_thread rather than
17084 storing thread information into e->aux.
17085 (free_all_edge_infos): Simplify now that e->aux is no longer
17086 used to communicate with thread_through_all_blocks.
17087 * tree-flow.h (thread_through_all_blocks): Update prototype.
17088 (register_jump_thread): Prototype.
17090 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17092 * df-core.c (df_compact_blocks, df_bb_replace): Use
17093 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17095 2006-01-11 Richard Guenther <rguenther@suse.de>
17097 PR tree-optimization/25734
17098 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17099 stop propagation after successful propagation to the LHS.
17101 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17103 * basic-block.h (control_flow_graph): Change the type of
17104 x_basic_block_info to VEC(basic_block,gc) *.
17105 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17107 (SET_BASIC_BLOCK): New.
17108 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17109 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17110 * cfgbuild.c (find_basic_blocks): Likewise.
17111 * cfglayout.c (fixup_reorder_chain): Likewise.
17112 * cfgrtl.c (create_basic_block_structure,
17113 rtl_create_basic_block): Likewise.
17114 * ifcvt.c (find_if_case_1): Likewise.
17115 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17118 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17120 * Makefile.in: Removed rotted odf.c entry.
17122 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17125 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17126 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17127 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17128 output pattern modifier, not %e.
17129 * config/cris/cris.c (cris_op_str): Update comment about pattern
17131 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17132 before falling through into...
17133 <case 'E'>: Redefined from old 'e' case.
17135 2006-01-11 Jan Hubicka <jh@suse.cz>
17138 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17140 2006-01-11 Jan Hubicka <jh@suse.cz>
17142 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17143 * i386.c (x86_decompose_lea): Kill.
17144 (ix86_rtx_costs): Kill.
17146 2006-01-11 Jan Hubicka <jh@suse.cz>
17148 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17149 * cgraph.h (cgraph_node): Add inline_decl.
17150 (cgraph_insert_node_to_hashtable): Declare.
17151 (save_inline_function_body): Declare.
17152 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17154 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17155 (cgraph_function_versioning): Update call of tree_function_versioning.
17156 (save_inline_function_body): New function.
17157 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17158 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17159 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17160 (cgraph_default_inline_p): Likewise.
17161 (cgraph_decide_inlining_incrementally): Likewise.
17162 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17163 (copy_bb): Kill saving; do updating of clones.
17164 (copy_cfg_body): Kill saving.
17165 (initialize_inlined-parameters): Likewise.
17166 (expand_call_inline): Likewise.
17168 (tree_function_versioning): New parameter "update_clones".
17169 (inlining_p): Kill saving.
17170 * tree-inline.h (tree_function_versioning): Update prototype.
17171 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17174 2006-01-11 Ian Lance Taylor <ian@airs.com>
17176 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17177 Allow undoing set of machine mode.
17178 (do_SUBST): Use enums instead of is_int.
17179 (do_SUBST_MODE): New function.
17180 (SUBST_MODE): New macro.
17181 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17182 reg and trying to replace reg_regno_rtx with a new register.
17183 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17184 (simplify_set): Use SUBST_MODE.
17185 (distribute_notes): Remove code that tried to update reg notes
17186 for regno_reg_rtx changes.
17188 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17190 PR tree-optimization/23109
17191 PR tree-optimization/23948
17192 PR tree-optimization/24123
17194 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17195 * tree-cfg.c (single_noncomplex_succ): New.
17196 * tree-flow.h (single_noncomplex_succ): Declare it.
17197 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17198 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17199 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17200 insert_bb, register_division_in, insert_reciprocals,
17201 replace_reciprocal, free_bb): New.
17202 (execute_cse_reciprocals_1): Rewritten.
17203 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17204 Do not commit any edge insertion. Always compute dominators and
17205 create the allocation pool.
17206 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17207 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17208 * targhooks.c (default_min_divistions_for_recip_mul): New.
17209 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17210 * passes.c (init_optimization_passes): Run recip after tree loop
17212 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17214 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17215 Kenneth Zadeck <zadeck@naturalbridge.com>
17217 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17218 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17219 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17220 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17221 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17222 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17223 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17224 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17225 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17226 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17227 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17228 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17229 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17230 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17231 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17232 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17233 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17234 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17235 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17236 DF_SCAN_POST_ALLOC): New macros.
17237 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17238 df_free_bb_function, df_local_compute_function, df_init_function,
17239 df_dataflow_function, df_confluence_function_0,
17240 df_confluence_function_n, df_transfer_function,
17241 df_finalizer_function, df_free_function, df_dump_problem_function,
17242 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17243 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17244 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17245 df_urec_bb_info, ) New types.
17246 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17248 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17249 df_analyze_simple_change_some_blocks,
17250 df_analyze_simple_change_one_block, df_compact_blocks,
17251 df_bb_replace, df_bb_regno_last_use_find,
17252 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17253 df_insn_regno_def_p, df_find_def, df_find_use,
17254 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17255 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17256 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17257 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17258 debug_df_chain, df_get_dependent_problem, df_chain_create,
17259 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17260 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17261 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17262 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17263 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17264 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17265 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17266 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17267 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17268 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17269 df_reorganize_refs, df_set_state, df_hard_reg_init,
17270 df_read_modify_subreg_p) New public functions.
17271 * df-core.c: The core dataflow solver and glue routines for rtl
17273 (df_init, df_add_problem, df_set_blocks, df_finish,
17274 df_hybrid_search_forward, df_hybrid_search_backward,
17275 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17276 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17277 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17278 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17279 df_reg_defined, df_find_use, df_reg_used, df_dump,
17280 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17281 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17282 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17283 debug_df_useno, reset_df_after_reload): New functions.
17284 * df-scan.c: The scanning fuctions, once in df.c, completely
17285 rewritten so that they now fully model the functionality of
17286 register usage at the backend.
17287 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17288 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17289 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17290 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17291 df_get_artificial_defs, df_get_artificial_uses,
17292 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17293 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17294 df_refs_delete, df_reorganize_refs, df_set_state,
17295 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17296 df_def_record_1, df_defs_record, df_uses_record,
17297 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17298 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17299 df_record_exit_block_uses, df_hard_reg_init): New functions.
17301 * df-problems.c: Seven concrete dataflow problems that use the
17302 scanning in df-scan.c and are solved by the engine in df-core.c.
17303 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17304 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17305 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17306 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17307 df_ru_free_bb_info, df_ru_alloc,
17308 df_ru_bb_local_compute_process_def,
17309 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17310 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17311 df_ru_transfer_function, df_ru_free, df_ru_dump,
17312 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17313 df_rd_free_bb_info, df_rd_alloc,
17314 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17315 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17316 df_rd_transfer_function, df_rd_free, df_rd_dump,
17317 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17318 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17319 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17320 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17321 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17322 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17323 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17324 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17325 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17326 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17327 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17328 df_urec_mark_reg_use_for_earlyclobber,
17329 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17330 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17331 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17332 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17333 df_chain_create_bb_process_use, df_chain_create_bb,
17334 df_chain_finalize, df_chain_free, df_chains_dump,
17335 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17336 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17337 df_reg_lifetime): New functions.
17338 * df.c: Deleted file.
17339 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17340 consistent with new df api.
17341 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17342 rest_of_handle_sms): Ditto.
17343 * web.c (unionfind_union, union_defs, entry_register, web_main):
17345 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17346 invariant_expr_equal_p, find_defs, check_dependencies,
17347 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17348 free_inv_motion_data, move_loop_invariants): Ditto.
17349 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17350 Update dependencies.
17351 (odf.c): Added defective entry that was deleted later in day.
17352 * sched-deps.c (sched_analyze_1): Ditto.
17354 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17356 * tree-ssa-operands.c (get_expr_operands): Record addressable
17357 variables directly. Do not call add_stmt_operands for CONST_DECLs
17359 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17360 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17362 2006-01-11 Ben Elliston <bje@au.ibm.com>
17364 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17365 function returns true in the positive case.
17367 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17370 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17371 for SI, DI, SF and DF modes. Add alternatives to copy between
17372 general and floating point registers to the 32-bit patterns.
17373 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17374 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17375 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17376 generating 64-bit code.
17377 * config/pa/pa.c (output_move_double): Handle copies between general
17378 and floating registers.
17380 2006-01-10 Stuart Hastings <stuart@apple.com>
17382 * config/i386/i386.md (set_got): Update.
17383 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17384 (builtin_setjmp_receiver): Mach-O support.
17385 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17386 (GOT_SYMBOL_NAME): Define.
17387 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17388 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17389 * config/i386/i386.c (override_options): Revise for Darwin.
17390 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17391 support. (darwin_x86_file_end): New. (output_set_got): Add label
17392 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17393 * config/i386/i386-protos.h (output_set_got): Likewise.
17394 * config/darwin.c (machopic_legitimize_pic_address): Update
17397 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17399 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17400 when MODE isn't BLKmode.
17402 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17404 PR rtl-optimization/25367
17405 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17407 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17410 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17411 for a negative bound.
17413 2006-01-10 Richard Guenther <rguenther@suse.de>
17415 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17416 Never override with anything constraint.
17418 2006-01-10 Jan Beulich <jbeulich@novell.com>
17420 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17421 256 bits when optimize_size.
17423 2006-01-10 Jan Beulich <jbeulich@novell.com>
17425 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17427 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17428 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17431 2006-01-10 Ben Elliston <bje@au.ibm.com>
17433 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17435 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17436 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17437 (USE_FP_FOR_ARG): Reject decimal float modes.
17438 (function_arg_advance): Likewise.
17439 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17440 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17441 point types in AltiVec vectors.
17442 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17443 (rs6000_libcall_value): Likewise.
17445 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17447 * config/xtensa/ieee754-df.S: New file.
17448 * config/xtensa/ieee754-sf.S: New file.
17449 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17450 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17451 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17453 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17455 * config/sh/predicates.md (binary_float_operator,
17456 binary_logical_operator, commutative_float_operator,
17457 equality_comparison_operator, greater_comparison_operator,
17458 less_comparison_operator, logical_operator,
17459 noncommutative_float_operator, shift_operator,
17460 symbol_ref_operand, unary_float_operator): Remove redundant
17463 2006-01-09 Jeff Law <law@redhat.com>
17465 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17466 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17467 now unused arguments. Callers updated.
17468 (eliminate_redundant_computations): Remove now unused arguments,
17470 (local_fold): Remove, no longer used.
17471 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17473 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17474 (simplify_cond): New function.
17475 (forward_propagate_into_cond): Call simplify_cond.
17477 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17479 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17480 (*vec_extractv2di_1_sse): New.
17482 2006-01-09 Ben Elliston <bje@au.ibm.com>
17484 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17486 2006-01-08 Richard Guenther <rguenther@suse.de>
17488 * tree-ssa-structalias.c (get_constraint_for): Remove
17489 anyoffset argument.
17490 (get_constraint_for_component_ref): Likewise.
17491 (do_deref): Likewise.
17492 (get_constraint_for): Likewise.
17493 (do_structure_copy): Likewise.
17494 (handle_ptr_arith): Likewise.
17495 (find_func_aliases): Likewise. Remove unused need_anyoffset
17498 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17499 Kaz Kojima <kkojima@gcc.gnu.org>
17501 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17502 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17503 (EXTRA_CONSTRAINT_C16): Remove.
17504 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17505 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17506 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17507 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17508 constants of SHmedia. Handle nested constant expressions of
17510 (andcosts): Fix the costs for SHmedia constants.
17511 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17512 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17513 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17514 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17515 (movv4hi_i, movv2si_i): Likewise.
17516 (movsi_const): Adjust the second operand of ior so to match with
17517 the Csu constraint.
17518 (movdi_const, movdi_const_32bit): Likewise.
17519 (movdi_const_16bit+1): Don't sign-extend LOW.
17520 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17522 (*double_shori): Fix the split condition. Use GEN_INT instead
17523 of get_int_mode calls. Mask lower 16-bit of the argument of
17525 (sym2GOTPLT): Remove.
17526 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17528 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17529 instead of EXTRA_CONSTRAINT_C16.
17531 2006-01-07 Ian Lance Taylor <ian@airs.com>
17532 David Edelsohn <edelsohn@gnu.org>
17534 PR rtl-optimization/25662
17535 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17536 for constant operands instead of simplify_gen_binary.
17537 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17538 after trying simplify_binary_operation
17540 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17542 * tree.c (iterative_hash_expr): Hash decls based on UID.
17544 2006-01-06 Eric Christopher <echristo@apple.com>
17546 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17547 (TARGET_UNWIND_EMIT): Fix spelling.
17548 * target.h (gcc_target): Add except_table_label.
17549 * except.c (output_function_exception_table): Use.
17550 * varasm.c (default_emit_except_table_label): New.
17551 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17553 (asm_out): Add here.
17554 * output.h (default_emit_except_table_label): Prototype.
17555 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17556 * config/darwin.c (darwin_emit_except_table_label): Define.
17557 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17559 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17561 PR tree-optimization/18527
17562 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17563 number_of_iterations_special, number_of_iterations_exit):
17564 Move base and step of an iv to a single structure. Add
17565 no_overflow flag, and use it in # of iterations analysis.
17566 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17567 folded_casts argument.
17568 (simple_iv): Pass base and step in a structure. Set no_overflow
17570 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17571 Evaluate expensiveness of computing # of iterations instead of
17572 the final expression.
17573 * tree-scalar-evolution.h (affine_iv): New structure.
17574 (simple_iv): Declaration changed.
17575 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17576 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17577 find_givs_in_stmt): Changed due to simple_iv change.
17579 2006-01-06 Jeff Law <law@redhat.com>
17582 * tree-cfg.c (bsi_replace): Rename final argument from
17583 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17584 change (stmt -> orig_stmt).
17585 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17586 (bsi_remove): Add new argument. Remove EH information
17588 (verify_eh_throw_table_statements): New function.
17589 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17591 * tree-optimize.c (execute_free_cfg_annotations): Verify
17592 the EH throw statement table after removing annotations.
17593 * except.h (verify_eh_throw_table_statements): Prototype.
17594 * tree-flow.h (bsi_remove): Update prototype.
17595 * tree-vrp.c (remove_range_assertions): Add new argument to
17597 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17598 * tree-complex.c (expand_complex_div_wide): Likewise.
17599 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17600 * tree-tailcall.c (eliminate_tailcall): Likewise.
17601 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17602 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17603 * tree-nrv.c (tree_nrv): Likewise.
17604 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17605 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17606 (combine_blocks): Likewise.
17607 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17608 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17609 (cleanup_control_flow): Likewise.
17610 (remove_forwarder_block): Likewise.
17611 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17612 * tree-sra.c (sra_replace): Likewise.
17613 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17614 (forward_propagate_single_use_vars): Likewise.
17615 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17616 * tree-inline.c (expand_call_inline): Likewise.
17617 * tree-vect-transform.c (vect_transform_loop): Likewise.
17618 * tree-outof-ssa.c (rewrite_trees): Likewise.
17619 * tree-cfg.c (make_goto_expr_edges): Likewise.
17620 (cleanup_dead_labels): Likewise.
17621 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17622 (bsi_move_before, bsi_move_after): Likewise.
17623 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17624 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17626 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17629 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17631 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17632 on non gimple variables. Also add checks at the top for decls and
17634 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17636 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17637 and IMAGPART_EXPR for creating MUST_DEFs.
17638 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17639 and NAME_MEMORY_TAG separately from the DECLs.
17641 2006-01-06 Richard Guenther <rguenther@suse.de>
17643 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17644 annotation, if necessary.
17645 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17646 redundant calls to update_stmt.
17647 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17650 2006-01-05 Richard Henderson <rth@redhat.com>
17652 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17654 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17656 * c-typeck.c: Update copyright date.
17658 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17660 * c-typeck.c (build_c_cast): Always warn when casting
17661 from a pointer to an integer of different size, even if
17662 the node was constant.
17664 2006-01-05 Richard Guenther <rguenther@suse.de>
17666 PR tree-optimization/22555
17667 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17668 if one structure field is an array.
17669 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17670 operands even if we found a subvar, but ignore VOPs in this
17672 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17674 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17676 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17678 PR middle-end/24998
17679 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17681 2006-01-05 Richard Guenther <rguenther@suse.de>
17682 Diego Novillo <dnovillo@redhat.com>
17684 * tree-pass.h (TODO_remove_unused_locals): Define.
17685 * gimple-low.c (expand_var_p, remove_useless_vars,
17686 pass_remove_useless_vars): Remove. Update all users.
17687 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17688 (remove_unused_locals): New function.
17689 * tree-flow.h (remove_unused_locals): Declare.
17690 * passes.c (execute_todo): Call remove_unused_locals if
17691 TODO_remove_unused_locals is set.
17692 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17693 * tree-ssa-dce.c (pass_dce): Likewise.
17694 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17696 2006-01-05 Richard Guenther <rguenther@suse.de>
17698 * tree-flow.h (struct fieldoff): Decompose field to
17699 type, size and decl.
17700 * tree-ssa-alias.c (create_sft): Take type as parameter.
17701 (create_overlap_variables_for): Store type, size and decl
17702 in the fieldoff structure.
17703 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17704 of struct fieldoff.
17705 (push_fields_onto_fieldstack): Likewise.
17706 (create_variable_info_for): Likewise. Use offset for the
17707 SFT name if the decl is not available.
17709 2006-01-04 Paul Brook <paul@codesourcery.com>
17711 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17713 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17715 * lambda-code.c (can_put_in_inner_loop): Relax
17717 (can_put_after_inner_loop): New function.
17718 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17719 (perfect_nestify): Change to make copies and modify uses.
17721 2006-01-04 Richard Henderson <rth@redhat.com>
17723 Merge from gomp branch:
17724 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17725 via integer constant.
17726 (pragma_lex): Remove.
17727 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17728 rather than parsing it.
17729 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17730 handle_pragma_extern_prefix): Add %< %> quotes.
17731 (registered_pragmas): New.
17732 (c_register_pragma_1): New.
17733 (c_register_pragma): Use it.
17734 (c_register_pragma_with_expansion): Likewise.
17735 (c_invoke_pragma_handler): New.
17736 (init_pragma): Use cpp_register_deferred_pragma directly for
17738 * c-pragma.h (enum pragma_kind): New.
17739 (pragma_handler): New.
17740 (c_invoke_pragma_handler): Declare.
17741 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17743 * c-common.h (c_common_pch_pragma): Update decl.
17744 * Makefile.in (c-parser.o): Update dependencies.
17745 (GTFILES): Add c-pragma.h.
17746 * c-parser.c (struct c_token): Add pragma_kind.
17747 (struct c_parser): Add in_pragma.
17748 (c_lex_one_token): Always initialize keyword and pragma_kind.
17749 Extract data for CPP_PRAGMA.
17750 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17751 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17752 Don't allow CPP_PRAGMA_EOL if in_pragma.
17753 (c_parser_consume_pragma): New.
17754 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17755 (c_parser_skip_to_end_of_parameter): Likewise.
17756 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17757 (c_parser_skip_to_pragma_eol): New.
17758 (c_parser_external_declaration): Handle CPP_PRAGMA.
17759 (c_parser_compound_statement_nostart): Likewise.
17760 (c_parser_statement_after_labels): Likewise.
17761 (c_parser_pragma): New.
17762 (pragma_lex): Likewise.
17763 (c_parser_pragma_pch_preprocess): New.
17764 (c_parser_new): Merge into ...
17765 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17767 2006-01-04 Jeff Law <law@redhat.com>
17770 * tree-cfg.c (bsi_replace): Remove the original statement
17771 from the EH throw statement table.
17773 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17775 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17776 make the prototype extern "C" and add throw ().
17779 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17780 and pos non-negative and pos + len <= 32.
17781 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17782 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17783 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17786 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17787 as well as sizes not multiple of component size.
17790 * function.c (instantiate_expr): New function.
17791 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17792 walk its DECL_VALUE_EXPR with instantiate_expr.
17794 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17795 DW_OP_deref{,_size} if address isn't going to be added.
17797 2006-01-04 Ben Elliston <bje@au.ibm.com>
17799 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17800 * config/fp-bit.c: Likewise.
17802 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17804 * dominance.c: Add comment about why we use DFS numbering
17807 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17808 Richard Henderson <rth@redhat.com>
17810 Merge from gomp-branch:
17811 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17812 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17814 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17816 PR rtl-optimization/25578
17817 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17818 pass a parameter to simplify_shift_const if changing ASHIFTRT
17821 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17823 * builtins.c (get_builtin_sync_mem): New function.
17824 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17825 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17826 Call get_builtin_sync_mem to generate mem rtx.
17828 2006-01-03 Richard Guenther <rguenther@suse.de>
17831 * stmt.c (add_case_node): Make sure to clear overflow flags
17834 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17836 Merge from gomp-branch.
17837 * config/sparc/sync.md: New file.
17838 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17839 UNSPECV_LDSTUB): New constants.
17840 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17841 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17842 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17845 2006-01-03 Roger Sayle <roger@eyesopen.com>
17847 * combine.c (reg_subword_p): New predicate to test whether the
17848 destination of a set refers to a subword/piece of a register.
17849 (try_combine): Generalize the code to merge the setting of a
17850 pseudo to a constant followed by a set of a subword of that
17851 register to a constant.
17853 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17855 * basic-block.h (control_flow_graph): Change the type of
17856 x_label_to_block_map to VEC(basic_block,gc) *.
17857 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17858 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17860 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17861 VEC(basic_block,heap) *.
17862 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17863 ssa_prop_fini): Adjust the uses of cfg_blocks.
17865 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17867 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17869 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17870 hashing trees instead of a pointer hash.
17871 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17872 compare for MEM_EXPR.
17874 PR rtl-optimization/25130
17875 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17876 when comparing MEMs for GCSE
17878 2006-01-03 Ben Elliston <bje@au.ibm.com>
17880 * targhooks.h (default_decimal_float_supported_p): Declare.
17881 * targhooks.c (default_decimal_float_supported_p): Define.
17882 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17883 `default_decimal_float_supported_p'.
17884 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17886 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17888 * combine.c (apply_distributive_law <SUBREG>): Check
17889 TRULY_NOOP_TRUNCATION.
17891 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17893 * dwarf2out.c (have_switched_text_section): Delete.
17894 (have_multiple_function_sections): New.
17895 (have_location_lists): Make 'bool'.
17896 (add_AT_loc_list): Use 'true' not '1'.
17897 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17898 (output_loc_list): Use have_multiple_function_sections.
17899 (output_ranges): Likewise.
17900 (dwarf2out_begin_function): Set have_multiple_function_sections if
17902 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17903 Check function_section rather than DECL_SECTION_NAME.
17904 (dwarf2out_finish): Use have_multiple_function_sections.
17905 Don't clear have_location_lists.
17907 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17908 Jan Hubicka <jh@suse.cz>
17910 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17911 case of conditional jump jumping to the next instruction.
17912 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17913 cases of conditional jump jumping to the next instruction.
17915 2006-01-02 Jan Hubicka <jh@suse.cz>
17917 * i386.c (*_cost): Add COSTS_N_INSNS.
17918 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17920 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17923 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17925 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17927 * config/arm/arm.c (all_fpus): Fix comment typo.
17928 * config/darwin.c: Likewise.
17929 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17930 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17931 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17933 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17935 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17936 (rs6000_split_compare_and_swapqhi): New.
17937 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17938 (sync_compare_and_swapqhi_internal): New.
17939 * config/rs6000/rs6000-protos.h: Declare.