1 2006-11-09 Steve Ellcey <sje@cup.hp.com>
3 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
4 routines for integer division.
6 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
8 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
10 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
13 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
15 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
17 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
18 simplify_subreg with BLKmode outer mode.
20 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
22 * doc/invoke.texi: Minor formatting fixes in option lists.
24 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
26 PR tree-optimization/29738
27 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
28 (ccp_lattice_t): Remove UNKNOWN_VAL.
29 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
30 Do not handle UNKNOWN_VAL.
31 (get_default_value): Set initial value of virtual operands to
33 (get_value): Always use get_default_value on uninitialized
35 (set_value_varying, surely_varying_stmt_p): New functions.
36 (set_lattice_value): Do not pass argument to get_value.
37 Do not handle UNKNOWN_VAL.
38 (likely_value): Follow the semantics described in the comment.
39 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
40 phi nodes DONT_SIMULATE_AGAIN.
41 (ccp_fold): Do not pass argument to get_value.
42 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
45 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
47 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
48 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
50 2006-11-08 Roger Sayle <roger@eyesopen.com>
52 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
53 test for inclusion rather than as a test for exclusion.
54 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
55 the condition after calling fold_binary.
56 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
57 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
58 * builtins.c (fold_builtin_isascii): Likewise.
59 (fold_builtin_isdigit): Likewise.
61 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
63 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
64 * configure: Regenerate.
66 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
68 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
69 enum argument instead of bool.
70 (vect_analyze_operations): Call vectorizable_type_promotion.
71 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
72 stmt_vec_info_type value.
73 (supportable_widening_operation, vectorizable_type_promotion): New
74 function declarations.
75 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
76 (vectorizable_type_promotion): New function.
77 (vect_transform_stmt): Call vectorizable_type_promotion.
78 * tree-vect-analyze.c (supportable_widening_operation): New function.
79 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
81 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
84 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
85 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
86 * tree-inline.c (estimate_num_insns_1): Add cases for above new
88 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
89 * expr.c (expand_expr_real_1): Likewise.
90 * optabs.c (optab_for_tree_code): Likewise.
91 (init_optabs): Initialize new optabs.
92 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
93 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
94 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
95 vec_unpacku_lo_optab): Initialize new optabs.
96 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
97 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
98 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
100 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
101 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
102 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
103 (vec_unpacku_lo_optab): New optabs.
104 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
105 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
106 (vec_widen_smult_hi, vec_widen_smult_lo): New.
107 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
108 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
109 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
111 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
112 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
113 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
114 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
115 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
116 implement the unsigned unpacking patterns.
117 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
118 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
119 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
120 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
121 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
122 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
123 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
124 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
125 multiplication patterns.
127 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
128 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
129 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
130 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
131 (rs6000_builtin_mul_widen_odd): New.
132 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
133 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
134 * tree-vectorizer.h (enum vect_relevant): New enum type.
135 (_stmt_vec_info): Field relevant chaned from bool to enum
137 (STMT_VINFO_RELEVANT_P): Updated.
138 (STMT_VINFO_RELEVANT): New.
139 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
140 instead of STMT_VINFO_RELEVANT_P.
141 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
142 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
143 and boolean variable with enum vect_relevant.
144 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
145 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
146 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
148 2006-11-08 Richard Henderson <rth@redhat.com>
150 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
151 vec_widen_umult_lo_v8hi): New.
152 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
153 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
155 * config/i386/i386.c (ix86_expand_sse_unpack): New.
156 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
157 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
158 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
159 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
160 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
161 vec_unpacks_lo_v4si): New.
163 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
165 * tree-vect-transform.c (vectorizable_type_demotion): New function.
166 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
167 (vect_analyze_operations): Call vectorizable_type_demotion.
168 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
169 stmt_vec_info_type value.
170 (vectorizable_type_demotion): New function declaration.
171 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
174 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
175 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
177 * tree-iniline.c (estimate_num_insns_1): Likewise.
178 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
179 * optabs.c (optab_for_tree_code): Likewise.
181 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
182 compared against the predicate of the result is not 'mode' (the input
183 to the function) but a mode with half the size of 'mode'.
184 (init_optab): Initialize new optabs.
185 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
187 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
189 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
190 (vec_pack_usat_optab): Initialize new optabs.
191 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
192 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
194 2006-11-08 Richard Henderson <rth@redehat.com>
196 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
197 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
198 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
199 (vec_interleave_highv4si, vec_interleave_lowv4si):
200 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
202 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
204 * tree-vect-transform.c (vectorizable_reduction): Support multiple
206 (vect_transform_stmt): Removed redundant code.
208 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
210 * tree-vect-transform.c (vectorizable_operation): Support multiple
213 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
215 * tree-vect-transform.c (vect_align_data_ref): Removed.
216 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
217 Updated function documentation. Return the increment stmt in ptr_incr.
218 (bump_vector_ptr): New function.
219 (vect_get_vec_def_for_stmt_copy): New function.
220 (vect_finish_stmt_generation): Create a stmt_info to newly created
222 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
224 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
225 VF is greater than the number of elements that can fit in one vector
227 (vectorizable_operation, vectorizable_condition): Likewise.
228 (vectorizable_store, vectorizable_load): Support the case that the VF
229 is greater than the number of elements that can fit in one vector word.
230 (vect_transform_loop): Don't fail in case of multiple data-types.
231 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
232 in case of multiple data-types; the smallest type determines the VF.
233 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
234 if they are of different sizes.
235 (vect_update_misalignment_for_peel): Compare misalignments in terms of
236 number of elements rather than number of bytes.
237 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
238 (vect_can_advance_ivs_p): Fix a dump printout
240 2006-11-07 Eric Christopher <echristo@apple.com>
242 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
244 * libgcc2.h: Remove transformation of bswap routines.
245 * config/i386/i386.md (bswapsi2): New.
248 2006-11-07 Jakub Jelinek <jakub@redhat.com>
250 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
251 (handle_gnu_inline_attribute): New function.
252 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
253 (merge_decls, start_decl, start_function): Likewise.
254 * doc/extend.texi: Document gnu_inline attribute.
256 2006-11-07 Steve Ellcey <sje@cup.hp.com>
259 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
260 _fixunstfdi, and _floatditf
262 2006-11-06 Anatoly Sokolov <aesok@post.ru>
264 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
266 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
267 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
268 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
269 which start in an odd register.
271 2006-11-07 Richard Sandiford <richard@codesourcery.com>
273 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
275 2006-11-07 Josh Conner <jconner@apple.com>
277 * doc/invoke.texi (fstrict-aliasing): Move implementation
279 * doc/tree-ssa.texi (Alias analysis): ...here.
281 2006-11-07 Richard Guenther <rguenther@suse.de>
283 PR tree-optimization/29610
284 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
285 of tree_purge_dead_eh_edges as it may free dominators.
287 * g++.dg/other/pr29610.C: New testcase.
289 2006-11-07 David Ung <davidu@mips.com>
291 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
292 costs when optimizing for size.
293 (override_options): Use mips_rtx_cost_optimize_size table for cost
296 2006-11-07 Jie Zhang <jie.zhang@analog.com>
298 * gcc.c (process_command): Treat -b as normal switch if its argument
301 2006-11-07 David Ung <davidu@mips.com>
303 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
306 2006-11-06 Eric Christopher <echristo@apple.com>
308 * config.gcc: Add x86_64-darwin host support.
309 * config.host: Ditto.
310 * config/i386/darwin64.h: New file.
311 * config/i386/t-darwin64: Ditto.
313 2006-11-06 Janis Johnson <janis187@us.ibm.com>
315 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
316 and output-exists-not.
318 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
321 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
322 checking for overflow.
324 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
326 * configure.ac: Fixed typo in case statement: :: changed to ;;
328 2006-11-06 Bob Wilson <bob.wilson@acm.org>
330 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
331 count_leading_zeros, and count_trailing_zeros.
332 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
333 (TARGET_FOLD_BUILTIN): Define.
334 (TARGET_EXPAND_BUILTIN): Define.
335 (xtensa_init_builtins): New.
336 (xtensa_fold_builtin): New.
337 (xtensa_expand_builtin): New.
338 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
339 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
340 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
341 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
342 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
343 (any_extend): New code macro.
344 (u, su): New code attributes.
345 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
346 (nsau): Remove; replaced by clzsi2.
347 (ffssi2): Use clzsi2.
348 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
349 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
350 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
351 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
352 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
354 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
356 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
358 * config/arm/t-strongarm-elf: Likewise.
359 * config/arm/t-pe: Likewise.
360 * config/arm/t-arm-elf: Likewise.
361 * config/arm/t-xscale-elf: Likewise.
362 * config/arm/t-arm-coff: Likewise.
363 * config/arm/t-xscale-coff: Likewise.
364 * config/arm/t-wince-pe: Likewise.
366 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
368 * config/sh/lib1funcs-4-300.asm: Guard entire file with
371 2006-11-05 Jakub Jelinek <jakub@redhat.com>
374 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
377 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
380 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
381 as a valid 80387 constant.
382 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
383 * config/i386/i386.md (unnamed splitter): Split the load of
384 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
387 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
389 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
390 from the soft-frame, argument and virtual registers.
392 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
394 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
395 patterns for standard 80387 constants.
397 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
398 Steven Bosscher <steven@gcc.gnu.org>
400 * fwprop.c: New file.
401 * Makefile.in: Add fwprop.o.
402 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
403 * passes.c (init_optimization_passes): Schedule forward propagation.
404 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
406 * timevar.def (TV_FWPROP): New.
407 * common.opt (-fforward-propagate): New.
408 * opts.c (decode_options): Enable forward propagation at -O2.
409 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
410 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
411 canon_for_address, table_size): Remove.
412 (new_basic_block, insert, remove_from_table): Remove references to
414 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
415 simplification loop more straightforward by not calling fold_rtx
417 (equiv_constant): Move here a small part of fold_rtx_subreg,
418 do not call fold_rtx. Call avoid_constant_pool_reference
420 * recog.h (canonicalize_change_group): New.
422 * doc/invoke.texi (Optimization Options): Document fwprop.
423 * doc/passes.texi (RTL passes): Document fwprop.
425 2006-11-03 Geoffrey Keating <geoffk@apple.com>
427 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
428 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
429 (grokdeclarator): Likewise.
431 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
433 * tree-dump.c (dump_enable_all): Rename local variable
434 ir_type to avoid name conflicts.
435 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
436 instead of using ir_type().
437 * profile.c (tree_register_profile_hooks): Likewise.
438 * value-prof.c (tree_register_value_prof_hooks): Likewise.
439 * basic-block.h (struct edge_def): Likewise.
440 * config/arm/arm.c (legitimize_pic_address): Likewise.
441 * coretypes.h (ir_type): New enum of all intermediate languages
443 * cfghooks.c (ir_type): Rename to...
444 (current_ir_type): ...this. Distinguish between cfgrtl and
445 cfglayout mode when the current IR is RTL. Return enum ir_type.
446 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
448 2006-11-03 Paul Brook <paul@codesourcery.com>
450 * config/arm/arm.c (arm_file_start): New function.
451 (TARGET_ASM_FILE_START): Define.
452 (arm_default_cpu): New variable.
453 (arm_override_options): Set arm_default_cpu.
455 2006-11-03 David Ung <davidu@mips.com>
457 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
458 PROCESSOR_24KC and PROCESSOR_24KF.
459 * config/mips/mips.c (mips_cpu_info_table): Add processor names
460 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
461 (mips_rtx_cost_data): Add costs for the 24kc.
462 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
463 * config/mips/24k.md: Remove references to 24k and replace with
464 uses of 24kc/24kf in the appropriate reservations.
465 * doc/invoke.texi (MIPS Options): Updated.
467 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
469 * config/sh/crt1.asm: Fix #ifdef indent.
471 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
472 Merged from STMicroelectronics sources:
473 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
474 * config/sh/crt1.asm (vbr_600): Add missing #if.
475 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
476 * sh.opt (mfused-madd): New option.
477 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
478 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
479 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
480 Remove pointless handler at VBR+0.
481 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
482 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
483 fr7. Make sure the timer handler is called with the correct FPU
484 precision setting, according to the ABI.
485 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
486 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
487 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
488 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
489 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
490 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
491 zero as second operand.
492 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
493 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
494 Fixed some bugs related to negative values, in particular -0
495 and overflow at -0x80000000.
496 * config/sh/divcost-analysis: Added sh4-300 figures.
497 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
498 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
499 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
500 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
501 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
502 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
504 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
506 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
507 SH4-300 scheduling description & fixes to SH4-[12]00 description:
508 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
509 mac_mem, mem_mac, dfp_mul, fp_cmp.
510 (insn_class, dfp_comp, any_fp_comp): Update.
511 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
512 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
513 (muldf3_i): Likewise.
514 (movsi_i): Split rI08 alternative into two separate alternatives.
516 (movsi_ie, movsi_i_lowpart): Likewise.
517 (movqi_i): Split ri alternative into two separate alternatives.
519 * sh1.md (sh1_load_store, sh1_fp): Update.
520 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
521 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
522 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
523 (sh4a_fp_double_arith): Likewise.
524 * sh4-300.md: New file.
525 * sh.c (sh_handle_option): Handle m4-300* options.
526 (sh_adjust_cost): Fix latency of auto-increments.
527 Handle SH4-300 differently than other SH4s. Check for new insn types.
528 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
529 been set by an option.
530 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
531 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
532 (mbranch-cost=): Likewise.
533 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
535 * sh.md (mulsf3): Remove special expansion code.
536 (mulsf3_ie): Now a define_insn_and_split.
537 (macsf3): Allow for TARGET_SH4.
539 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
540 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
541 (expand_cbranchdi4): Likewise.
542 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
543 CONST_DOUBLE if the outer code is COMPARE.
544 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
545 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
546 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
547 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
548 Remove redundant fp_{zero,one}_operand checks.
549 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
550 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
551 (expand_cbranchdi4): Likewise.
552 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
553 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
555 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
557 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
560 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
562 * doc/invoke.texi: Fix mfp-trap-mode typo.
564 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
566 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
567 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
568 file_end_indicate_exec_stack.
569 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
571 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
572 for a non-executable stack.
573 * crti.asm: Likewise.
574 * crtn.asm: Likewise.
575 * libunwind.S: Likewise.
577 2006-11-02 Ben Elliston <bje@au.ibm.com>
579 * tree-ssa.c (warn_uninit): Use expand_location variables for
580 locus and declaration locus.
582 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
585 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
586 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
587 cmp{eq,gt,gtu}{si,di}_media.
588 (*cmpne0si_media): Remove.
589 (*movsicc_umin): Adjust gen_cmp*_media call.
590 (unordered): Change the mode of unordered and operands[1] to
592 (seq): Adjust gen_cmp*_media calls. Make the mode of
593 a temporary result of compare SImode if needed. If the mode
594 of operands[0] is DImode, extend the temporary result to DImode.
595 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
596 (sunorderd): Change the mode of match_operand and unorderd to
598 (cmpeq{sf,df}_media): Remove.
599 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
600 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
601 and compare operation to SImode.
603 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
605 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
607 (sparc64-sun-solaris2*): Likewise.
609 2006-11-02 Paul Brook <paul@codesourcery.com>
611 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
612 from priority argument. Use different section for non-default
614 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
616 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
619 * except.c (switch_to_exception_section): Do not cache the section
620 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
621 and flag_function_sections is set.
623 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
626 * builtins.c (do_mpfr_sincos): New.
627 (fold_builtin_1): Use it to fold builtin sincos.
629 2006-11-01 Roger Sayle <roger@eyesopen.com>
631 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
632 it into -D_REENTRANT.
634 2006-11-01 Roger Sayle <roger@eyesopen.com>
636 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
637 whether the assembler supports taking the difference of symbols in
638 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
639 * configure: Regenerate.
640 * config.in: Regenerate.
641 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
642 the assembler doesn't support taking the difference of symbols in
643 different sections, i.e. we're using the native solaris assembler.
645 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
646 Peter Bergner <bergner@vnet.ibm.com>
648 * doc/invoke.texi: Add cpu_type power6x
649 (RS/6000 and PowerPC Options): Add -mmfpgpr.
650 * config.gcc: Add cpu_type power6x.
651 * configure.ac: Add test for mf{t,f}gpr instructions.
652 (HAVE_AS_MFPGPR): New.
653 * config.in: Regenerate.
654 * configure: Regenerate.
655 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
656 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
657 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
658 and mftgpr attributes.
659 (define_attr "cpu"): Add power6.
660 Change instruction sequences to use new attributes.
661 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
662 (fix_truncdfsi2_mfpgpr): New.
663 (floatsidf_ppc64_mfpgpr): New.
664 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
665 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
666 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
667 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
668 (fix_truncdfsi2): Use gpc_reg_operand constraint.
669 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
670 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
671 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
672 cntlz,exts and var_delayed_compare.
673 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
674 _ARCH_PWR6X, if features enabled.
675 * config/rs6000/rs6000.opt (mmfpgpr): New.
676 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
677 (cached_can_issue_more): New variable.
678 (processor_costs): Add power6_cost.
679 (rs6000_sched_init): New function.
680 (is_dispatch_slot_restricted): Deleted.
681 (set_to_load_agen): New function.
682 (is_load_insn,is_store_insn): New functions.
683 (adjacent_mem_locations): New function.
684 (insn_must_be_first_in_group): New function.
685 (insn_must_be_last_in_group): New function.
686 (rs6000_sched_reorder): New function.
687 (rs6000_sched_reorder2): New function.
688 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
689 TARGET_SCHED_REORDER2): Define.
690 (processor_target_table): Use PROCESSOR_POWER6 for power6.
691 Add power6x. Add MASK_MFPGPR for power6x.
692 (POWERPC_MASKS): Add MASK_MFPGPR.
693 (rs6000_override_options): Set rs6000_always_hint to false
694 for power6. Set rs6000_align_branch_targets. Replace
695 rs6000_sched_groups check with rs6000_align_branch_targets.
696 Use PROCESSOR_POWER6.
697 (last_scheduled_insn): New variable.
698 (load_store_pendulum): New variable.
699 (rs6000_variable_issue): Set last_scheduled_insn and
700 cached_can_issue_more.
701 (rs6000_adjust_cost): Add power6 cost adjustments.
702 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
703 with insn_must_be_first_in_group. Add power6 priority adjustments.
704 (rs6000_issue_rate): Add CPU_POWER6.
705 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
706 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
707 (TARGET_MFPGPR): New.
708 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
709 (ASM_CPU_SPEC): Add power6x.
710 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
712 * config/rs6000/power6.md: New file.
714 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
716 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
717 HOST_WIDE_INT_PRINT to print high and low parts. Use
718 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
719 printing a hexadecimal number prefix it with 0x.
721 2006-11-01 Chris Johns <chris@contemporary.net.au>
724 * Makefile.in (install-driver): Use exeext when installing
725 $target-gcc-$version.
727 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
729 * c-common.c (flag_cpp0x): New.
730 * c-common.h (flag_cpp0x): New.
731 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
732 supported, define __GXX_EXPERIMENTAL_CPP0X__.
733 * c-opts.c (set_std_cxx0x): New.
734 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
735 * c.opt (std=c++0x): Document.
736 (std=gnu++0x): Ditto.
737 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
738 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
740 2006-11-01 Richard Guenther <rguenther@suse.de>
742 * config/i386/i386.c (ix86_expand_rint): Fix issues with
744 (ix86_expand_floorceildf_32): Likewise.
745 (ix86_expand_floorceil): Likewise.
746 (ix86_expand_trunc): Likewise.
748 2006-10-31 Andrew Pinski <pinskia@gmail.com>
750 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
753 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
755 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
757 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
759 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
761 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
762 * configure.ac (use_cxa_atexit): As a special case, don't test
763 for libc definition of __cxa_atexit on mingw32
764 * configure: Regenerate.
765 * config.gcc (i[34567]86-pc-mingw32): Default to
766 enable__cxa_atexit=yes.
768 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
770 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
772 2006-10-31 Geoffrey Keating <geoffk@apple.com>
775 * c-decl.c (start_struct): Don't create self-containing
777 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
779 * config/rs6000/rs6000-protos.h
780 (darwin_rs6000_special_round_type_align): New.
781 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
782 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
784 2006-10-31 Geoffrey Keating <geoffk@apple.com>
786 * toplev.c (compile_file): Call final_write_globals
787 even if there have been errors.
789 2006-10-31 Eric Christopher <echristo@apple.com>
790 Falk Hueffner <falk@debian.org>
792 * doc/extend.texi (__builtin_bswap32): Document.
793 (__builtin_bswap64): Ditto.
794 * doc/libgcc.texi (bswapsi2): Document.
796 * doc/rtl.texi (bswap): Document.
797 * optabs.c (expand_unop): Don't widen a bswap.
798 (init_optabs): Init bswap. Set libfuncs explicitly
799 for bswapsi2 and bswapdi2.
800 * optabs.h (OTI_bswap): New.
801 (bswap_optab): Ditto.
802 * genopinit.c (optabs): Handle bswap_optab.
803 * tree.h (tree_index): Add TI_UINT32_TYPE and
805 (uint32_type_node): New.
806 (uint64_type_node): Ditto.
807 * tree.c (build_common_tree_nodes_2): Initialize
808 uint32_type_node and uint64_type_node.
809 * builtins.c (expand_builtin_bswap): New.
810 (expand_builtin): Call.
811 (fold_builtin_bswap): New.
812 (fold_builtin_1): Call.
813 * fold-const.c (tree_expr_nonnegative_p): Return true
815 * builtin-types.def (BT_UINT32): New.
817 (BT_FN_UINT32_UINT32): Ditto.
818 (BT_FN_UINT64_UINT64): Ditto.
819 * builtins.def (BUILT_IN_BSWAP32): New.
820 (BUILT_IN_BSWAP64): Ditto.
821 * rtl.def (BSWAP): New.
822 * genattrtab.c (check_attr_value): New.
823 * libgcc2.c (__bswapSI2): New.
825 * libgcc2.h (__bswapSI2): Declare.
827 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
828 * simplify-rtx.c (simplify_const_unary_operation): Return
830 * libgcc-std.ver (__bwapsi2): Add.
832 * reload1.c (eliminate_regs_1): Add bswap.
833 (elimination_effects): Ditto.
834 * config/i386/i386.h (x86_bswap): New.
836 * config/i386/i386.c (x86_bswap): Set.
838 2006-10-31 Geoffrey Keating <geoffk@apple.com>
840 * coverage.c (coverage_checksum_string): Update comment.
841 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
842 of get_file_function_name.
843 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
844 of get_file_function_name_long.
845 * tree.c (get_file_function_name): Rename from
846 get_file_function_name_long; improve comment; handle 'I' and 'D'
847 specially when the target has ctor/dtor support; remove special
849 (get_file_function_name): Remove.
850 * tree.h (get_file_function_name): Rename from
851 get_file_function_name_long.
852 (get_file_function_name): Remove prototype.
854 2006-10-31 Geoffrey Keating <geoffk@apple.com>
856 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
857 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
859 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
860 Call dsymutil when compiling and linking one or more source files
863 2006-10-31 Geoffrey Keating <geoffk@apple.com>
866 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
868 2006-10-31 Geoffrey Keating <geoffk@apple.com>
870 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
871 inline static functions in c99 mode.
874 * doc/extend.texi (Inline): Update.
875 * c-tree.h (struct language_function): Remove field 'extern_inline'.
876 * c-decl.c (current_extern_inline): Delete.
877 (pop_scope): Adjust test for an undefined nested function.
878 Add warning about undeclared inline function.
879 (diagnose_mismatched_decls): Update comments. Disallow overriding
880 of inline functions in a translation unit in C99. Allow inline
881 declarations in C99 at any time.
882 (merge_decls): Boolize variables. Handle C99 'extern inline'
884 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
885 C99 inline semantics.
886 (start_function): Don't clear current_extern_inline. Don't set
888 (c_push_function_context): Don't push current_extern_inline.
889 (c_pop_function_context): Don't restore current_extern_inline.
892 * c-typeck.c (build_external_ref): Warn about static variables
893 used in extern inline functions.
894 * c-decl.c (start_decl): Warn about static variables declared
895 in extern inline functions.
897 2006-10-31 Roger Sayle <roger@eyesopen.com>
900 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
901 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
902 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
903 or y is an even integer.
905 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
908 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
909 * gthr-posix95.h (__gthread_active_p): Likewise.
911 2006-10-31 Richard Guenther <rguenther@suse.de>
913 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
914 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
915 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
916 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
917 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
918 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
919 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
920 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
923 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
925 * opts.c (decode_options): Disable CSE skip blocks.
927 2006-10-30 Dirk Mueller <dmueller@suse.de>
929 * c-common.h (strict_aliasing_warning): Fix whitespace.
930 * c-decl (start_function): Move code for main decl warning ..
931 * c-common.c (check_main_parameter_types): .. here.
932 * c-common.h (check_main_parameter_types): Declare.
934 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
937 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
939 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
941 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
942 be a PARALLEL containing sets. Return false when out_pat is not
945 2006-10-30 Richard Sandiford <richard@codesourcery.com>
947 * config/mips/mips.md (mul<mode>3): Split into...
948 (mulsi3, muldi3): ...these separate patterns.
950 2006-10-30 Richard Sandiford <richard@codesourcery.com>
952 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
953 but with each set of options separated by spaces.
955 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
957 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
958 dwarf_reg_size_table has been initialized.
960 2006-10-30 Roger Sayle <roger@eyesopen.com>
962 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
963 * ddg.c (print_ddg_edge): Likewise.
964 * dwarf2out.c (prune_unused_types_walk): Likewise.
965 * ifcvt.c (noce_try_cmove_arith): Likewise.
966 * langhooks.c (add_builtin_function): Likewise.
967 * reg-stack.c (subst_stack_regs_pat): Likewise.
968 * tree.c (expanded_location): Likewise.
969 * tree-dump.c (dequeue_and_dump): Likewise.
971 2006-10-30 David Daney <ddaney@avtrex.com>
973 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
975 2006-10-30 Jakub Jelinek <jakub@redhat.com>
977 PR tree-optimization/29637
978 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
979 of the innertype is the innertype itself.
981 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
983 * dwarf2out.c (file_name_acquire): Correct typo.
985 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
987 * tree.h (tree_value_handle): Remove struct value_set declaration.
988 Change value_set to bitmap_set.
989 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
990 * tree-vn.c (get_value_handle): Made inline and moved to
992 * tree-flow-inline.h: (has_stmt_ann): New function.
993 * tree-ssa-pre.c (expressions): New variable.
994 (next_expression_id): Ditto.
995 (alloc_expression_id): New function.
996 (struct value_set): Remove.
997 (get_expression_id): New function.
998 (get_or_alloc_expression_id): Ditto.
999 (expression_for_id): Ditto.
1000 (clear_expression_ids): Ditto.
1001 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1002 (bb_value_sets): Renamed to bb_bitmap_sets.
1003 All value sets replaced with bitmap_sets.
1005 (BB_VISITED): New macro.
1006 (postorder): New variable.
1007 (add_to_value): Removed.
1008 (value_exists_in_set_bitmap): Ditto.
1009 (value_insert_into_set_bitmap): Ditto.
1012 (set_remove): Ditto.
1013 (set_contains_value): Ditto.
1014 (insert_into_set): Ditto.
1016 (find_leader): Ditto.
1017 (bitmap_set_subtract_from_value_set): Ditto.
1018 (value_insert_into_set): Ditto.
1019 (print_value_set): Ditto.
1020 (debug_value_set): Ditto.
1021 (constant_expr_p): New function.
1022 (bitmap_remove_from_set): Ditto.
1023 (bitmap_insert_into_set): Ditto.
1024 (bitmap_set_free): Ditto.
1025 (vh_compare): Ditto.
1026 (sorted_array_from_bitmap_set): Ditto.
1027 (bitmap_set_subtract): Ditto.
1028 (bitmap_set_equal): Ditto.
1029 (debug_bitmap_set): Ditto.
1030 (find_leader_in_sets): Ditto.
1031 (bitmap_set_replace_value): Modify for bitmapped sets.
1032 (phi_translate): Ditto.
1033 (phi_translate_set): Ditto.
1034 (bitmap_find_leader): Ditto.
1035 (valid_in_sets): Ditto.
1036 (union_contains_value): Ditto.
1038 (compute_antic_aux): Ditto. Mark changed blocks.
1039 (compute_antic): Ditto. Iterate in postorder and only over
1041 (compute_rvuse_and_antic_safe): Reuse postorder.
1042 (create_component_ref_by_pieces): Modify for bitmapped sets.
1043 (find_or_generate_expression): Ditto.
1044 (create_expression_by_pieces): Ditto.
1045 (insert_into_preds_of_block): Ditto.
1046 (changed_blocks): New variable.
1047 (do_regular_insertion): Broken out from insert_aux.
1048 (insert_aux): Modified for bitmapped sets.
1049 (find_existing_value_expr): New function.
1050 (create_value_expr_from): Use it.
1051 (insert_extra_phis): Removed.
1052 (print_bitmap_set): Renamed from bitmap_print_value_set.
1053 (compute_avail): Handle RETURN_EXPR.
1054 (init_pre): Modify for bitmapped sets.
1055 * tree-flow.h (has_stmt_ann): New function.
1057 2006-10-29 Roger Sayle <roger@eyesopen.com>
1059 * builtins.c (fold_builtin_floor): Check for the availability of
1060 the C99 trunc function before transforming floor into trunc.
1062 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1064 * builtins.c (fold_builtin_hypot): Rearrange recursive
1065 transformation before others, and also do ABS_EXPR. When
1066 necessary, check flag_unsafe_math_optimizations. When necessary,
1069 2006-10-29 Roger Sayle <roger@eyesopen.com>
1071 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1072 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1073 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1074 Fold -X eq/ne -Y as X eq/ne Y.
1076 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1078 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1079 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1080 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1081 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1082 Use an inclusive test for "mult" rather than "mul".
1083 (rotr<mode>3): Depend on ISA_HAS_ROR.
1084 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1086 (GENERATE_MULT3_DI): Delete.
1087 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1088 (ISA_HAS_MUL3): New macro.
1089 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1090 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1091 (ISA_HAS_CLZ_CLO): Likewise.
1092 (ISA_HAS_DCLZ_DCLO): Delete.
1093 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1094 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1095 the VR4120 and VR4130.
1096 (ISA_HAS_MACCHI): Use consistent formatting.
1097 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1098 (ISA_HAS_ROR): ...this new macro.
1099 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1100 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1101 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1103 2006-10-29 Roger Sayle <roger@eyesopen.com>
1105 PR tree-optimization/15458
1106 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1109 2006-10-29 Richard Guenther <rguenther@suse.de>
1111 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1112 (ix86_expand_truncdf_32): Likewise.
1113 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1114 trunc inline for SSE math and -fno-trapping-math and if not
1115 optimizing for size.
1116 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1117 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1118 for expanding btrunc inline for SSE math.
1120 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1122 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1123 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1124 i[34567]86-*-solaris2.1[0-9]*.
1125 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1126 Define conditionally depending on TARGET_64BIT_DEFAULT.
1127 (SPEC_32, SPEC_64): Define.
1128 (LINK_SPEC): Use them.
1129 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1131 2006-10-29 Richard Guenther <rguenther@suse.de>
1133 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1134 (ix86_expand_rounddf_32): Likewise.
1135 * config/i386/i386.c (ix86_expand_round): New function expanding
1136 round inline for SSE math and -fno-trapping-math and if not
1137 optimizing for size.
1138 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1139 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1140 round via ix86_expand_round.
1142 2006-10-29 Richard Guenther <rguenther@suse.de>
1144 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1145 (ix86_expand_floorceildf_32): Likewise.
1146 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1147 static helper function.
1148 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1150 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1151 * config/i386/i386.md (floordf2): Adjust to enable floor
1152 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1153 -fno-trapping-math is enabled and if not optimizing for size.
1154 (floorsf2, ceildf2, ceilsf2): Likewise.
1155 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1156 (sse2_maskcmpdf3): Likewise.
1158 2006-10-29 Richard Guenther <rguenther@suse.de>
1160 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1161 rint in case -fno-trapping-math is enabled.
1162 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1163 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1164 (ix86_expand_sse_fabs): Likewise.
1165 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1166 * config/i386/i386.md (rintdf2): Enable for SSE math if
1167 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1168 (rintsf2): Likewise.
1170 2006-10-29 Richard Guenther <rguenther@suse.de>
1172 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1173 to conversion optabs.
1174 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1175 as conversion optab.
1176 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1177 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1178 (lfloor_optab, lceil_optab): Adjust defines.
1179 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1180 lfloor and lceil optabs now being conversion optabs.
1181 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1182 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1183 New static helper function.
1184 (ix86_expand_lfloorceil): New function to expand lfloor and
1186 * config/i386/i386.md (lfloor<mode>2): Split into ...
1187 (lfloorxf<mode>2): ... x87 variant
1188 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1189 using ix86_expand_lfloorceil.
1190 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1192 * doc/md.texi (lfloorMN, lceilMN): Document.
1194 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1196 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1197 -mno-shared assembler option on mips targets.
1198 * configure, config.in: Regenerate.
1199 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1200 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1201 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1203 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1205 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1206 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1208 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1210 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1211 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1214 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1217 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1218 (fold_builtin_pow): Evaluate constant arguments at compile-time
1220 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1221 (do_mpfr_ckconv): New helper function.
1222 (do_mpfr_arg1): Use do_mpfr_ckconv.
1223 (do_mpfr_arg2): New.
1225 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1228 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1229 (-fdump-rtl-sched): Rename to ..
1230 (-fdump-rtl-sched1): here. Also fix file extension number.
1232 2006-10-28 Richard Guenther <rguenther@suse.de>
1234 * fold-const.c (maybe_canonicalize_comparison): Fix code
1237 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1239 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1240 (NON_QI_REG_P): Use IN_RANGE.
1241 (REX_INT_REGNO_P): Use IN_RANGE.
1242 (FP_REGNO_P): Use IN_RANGE.
1243 (SSE_REGNO_P): Use IN_RANGE.
1244 (REX_SSE_REGNO_P): Use IN_RANGE.
1245 (MMX_REGNO_P): Use IN_RANGE.
1246 (STACK_REGNO_P): New macro.
1247 (STACK_REG_P): Use STACK_REGNO_P.
1248 (NON_STACK_REG_P): Use STACK_REGNO_P.
1249 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1250 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1251 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1252 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1253 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1255 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1257 * except.h (output_function_exception_table): Add 'const char*' param.
1258 * except.c (switch_to_exception_section): Add 'const char*' param.
1259 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1260 and flag_function_sections is set, use a function-specific section.
1261 (output_function_exception_table): Add 'const char*' param.
1262 Adjust call to switch_to_exception_section.
1263 * final.c (rest_of_handle_final): Adjust calls to
1264 output_function_exception_table.
1265 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1266 * config.in: Regenerate.
1267 * configure: Likewise.
1269 2006-10-28 Richard Guenther <rguenther@suse.de>
1272 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1273 for maybe_canonicalize_comparison.
1274 (maybe_canonicalize_comparison): New function for canonicalizing
1276 (fold_comparison): Call it to canonicalize comparisons with
1279 2006-10-28 Richard Guenther <rguenther@suse.de>
1282 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1283 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1284 (expand_builtin): Adjust likewise.
1285 * genopinit.c (optabs[]): Add lround optab.
1286 * optabs.c (init_optabs): Initialize lround_optab.
1287 * optabs.h (enum convert_optab_index): Add COI_lround.
1288 (lround_optab): Define.
1289 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1290 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1292 (ix86_expand_lround): New function.
1293 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1295 * doc/md.texi (lroundMN2): Document.
1297 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1300 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1301 argument to HOST_WIDE_INT. Update function prototype.
1302 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1303 "size" argument to HOST_WIDE_INT. Update function prototype.
1305 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1307 * config/i386/i386.c (output_387_ffreep): Create output from a
1308 template string for !HAVE_AS_IX86_FFREEP.
1310 2006-10-27 Eric Christopher <echristo@apple.com>
1312 * config/darwin.c: Fix formatting and grammar.
1314 2006-10-27 Jan Hubicka <jh@suse.cz>
1316 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1317 to be thrown away soon when IGNORE is set.
1318 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1319 indicating when return value shall not be computed.
1320 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1322 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1324 * config/i386/i386.h (TARGET_GEODE):
1325 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1326 (TARGET_CPU_DEFAULT_geode): New macro.
1327 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1328 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1329 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1330 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1331 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1333 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1334 (processor_type): Add PROCESSOR_GEODE.
1336 * config/i386/i386.md: Include geode.md.
1339 * config/i386/i386.c (geode_cost): New initialized global
1341 (m_GEODE, m_K6_GEODE): New macros.
1342 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1343 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1344 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1345 x86_schedule): Use m_K6_GEODE instead of m_K6.
1346 (x86_movx, x86_cmove): Set up m_GEODE.
1347 (x86_integer_DFmode_moves): Clear m_GEODE.
1348 (processor_target_table): Add entry for geode.
1349 (processor_alias_table): Ditto.
1351 * config/i386/geode.md: New file.
1353 * doc/invoke.texi: Add entry about geode processor.
1355 2006-10-27 Mike Stump <mrs@apple.com>
1357 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1358 __DYNAMIC__ from here back to ...
1359 * config/darwin.h (CPP_SPEC): ... here.
1361 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1362 Nathan Sidwell <nathan@codesourcery.com>
1364 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1365 when choosing the minimum heapsize.
1367 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1369 * gcc/unwind-dw2.h: Move cfa-related variables into
1370 struct frame_state_reg_info to ensure that the CFA is properly
1371 handled when executing DW_CFA_{remember,restore}_state.
1372 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1373 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1374 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1375 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1376 gcc/config/rs6000/linux-unwind.h,
1377 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1378 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1379 Modify to use new cfa_* fields.
1381 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1383 * config/s390/s390.c (s390_init_frame_layout): Check positive
1386 2006-10-26 Ben Elliston <bje@au.ibm.com>
1388 * gimplify.c (get_name): Remove extraneous break.
1389 (gimplify_omp_for): Initialise ret with GS_OK.
1391 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1393 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1394 Add unix98.o to link line.
1396 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1399 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1400 Calculate compile-time constants using MPFR.
1401 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1402 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1404 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1406 * config/xtensa/lib2funcs.S: Use C-style comments.
1408 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1410 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1411 (file_table_relative_p): Likewise.
1412 (dwarf2out_finish): Likewise.
1413 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1415 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1417 * tree-ssa-structalias.c (intra_create_variable_infos):
1418 Don't recreate nonlocal_all if it already exists.
1420 2006-10-25 Richard Guenther <rguenther@suse.de>
1423 * optabs.h (enum optab_index): Remove OTI_lrint.
1424 (enum convert_optab_index): Add COI_lrint.
1425 (lrint_optab): Adjust.
1426 (expand_sfix_optab): Declare.
1427 * optabs.c (expand_sfix_optab): New function.
1428 (init_optabs): Init lrint_optab as conversion optab.
1429 * genopinit.c (lrint_optab): Change to a conversion optab.
1430 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1431 expansion via conversion optab.
1432 * config/i386/i386.md (*fistdi2_1): Remove
1433 flag_unsafe_math_optimizations guard.
1434 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1435 fist<mode>2_with_temp): Likewise.
1436 (lrint<mode>2): Split into...
1437 (lrintxf<mode>2): ... x87 part
1438 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1439 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1440 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1441 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1442 * doc/md.texi (lrintMN2): Document.
1444 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1447 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1448 Use inc and dec instructions for TARGET_USE_INCDEC.
1449 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1450 ("sync_double_compare_and_swap<mode>"): Likewise.
1451 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1452 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1453 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1454 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1455 ("sync_old_add<mode>"): Likewise.
1456 ("sync_lock_test_and_set<mode>"): Likewise.
1457 ("sync_lock_test_and_set<mode>"): Likewise.
1458 ("sync_add<mode>"): Likewise.
1459 ("sync_sub<mode>"): Likewise.
1460 ("sync_ior<mode>"): Likewise.
1461 ("sync_and<mode>"): Likewise.
1462 ("sync_xor<mode>"): Likewise.
1464 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1466 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1467 (remainder_optab): Define corresponding macro.
1468 (drem_optab): Remove.
1469 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1470 drem_optab initialization.
1471 * genopinit.c (optabs): Implement remainder_optab using
1472 remainder?f3 patterns. Remove drem_optab.
1473 * builtins.c (expand_builtin_mathfn_2): Handle
1474 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1475 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1476 expand_builtin_mathfn_2.
1478 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1479 depend on flag_unsafe_math_optimizations.
1481 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1482 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1483 Do not depend on flag_unsafe_math_optimizations. Use
1484 truncxf?f expander instead of truncxf?f_i387_noop.
1486 ("fpremxf4", "fprem1xf4"): Do not depend on
1487 flag_unsafe_math_optimizations.
1488 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1489 flag_unsafe_math_optimizations. Use truncxf?f expander
1490 instead of truncxf?f_i387_noop.
1492 * doc/md.texi (fmod, remainder): Document standard named pattern.
1494 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1495 David Daney <ddaney@avtrex.com>
1498 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1500 2006-10-25 Ben Elliston <bje@au.ibm.com>
1502 * doc/extend.texi (Variable Attributes): Typo fix.
1504 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1506 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1507 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1508 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1509 (FRAME_POINTER_REGNUM): Update register number to 21.
1510 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1511 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1513 * config/i386/i386.c (regclass_map): Add fpcr entry.
1514 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1516 (print_reg): Assert REGNO (x) != FPCR_REG.
1518 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1519 (DIRFLAG_REG): Renumber.
1520 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1521 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1522 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1523 hardcoded SSE register numbers.
1525 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1526 hardcoded MMX register numbers.
1528 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1531 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1532 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1534 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1535 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1536 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1537 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1539 2006-10-24 Richard Guenther <rguenther@suse.de>
1542 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1543 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1544 for deciding optimizations in consistency with fold-const.c
1545 (fold_builtin_unordered_cmp): Likewise.
1547 2006-10-24 Richard Guenther <rguenther@suse.de>
1549 * builtins.c (fold_builtin_floor): Fold floor (x) where
1550 x is nonnegative to trunc (x).
1551 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1552 nonnegative to FIX_TRUNC_EXPR.
1554 2006-10-24 Richard Guenther <rguenther@suse.de>
1556 PR tree-optimization/29567
1557 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1558 for TRUTH_NOT_EXPR. Clarify comments.
1560 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1563 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1564 at compile-time using MPFR. Change parameter VALUE to FUNC,
1566 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1567 for overflow and underflow at all times and avoid folding in
1570 2006-10-24 Ben Elliston <bje@au.ibm.com>
1572 * reload1.c: Formatting fixes.
1574 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1576 PR tree-optimization/14784
1577 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1578 * tree-ssa-structalias.c (get_constraint_for,
1579 intra_create_variable_infos): Set is_heapvar.
1580 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1581 non-heapvar pointer variables specially.
1583 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1586 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1587 fold_builtin_tan): Fold all constant arguments. Take a "type"
1588 argument as necessary.
1589 (do_mpfr_arg1): New.
1590 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1592 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1594 * config/xtensa/lib1funcs.asm: Use C-style comments.
1596 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1598 * tree.c (local_define_builtin): Replace calls to
1599 lang_hooks.builtin_function with add_builtin_function.
1600 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1602 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1604 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1605 common code to add_builtin_function.
1606 * langhooks.c (add_builtin_function): New function.
1607 (lhd_builtin_function): New function.
1608 * langhooks.h (struct lang_hooks): Change the signature of
1610 (add_builtin_function): New function.
1611 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1612 calls to lang_hooks.builtin_function with add_builtin_function.
1613 * c-common.c (decl_builtin_1): Replace calls to
1614 lang_hooks.builtin_function with add_builtin_function.
1615 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1616 lang_hooks.builtin_function with add_builtin_function.
1617 * config/frv/frv.c (def_builtin): Replace calls to
1618 lang_hooks.builtin_function with add_builtin_function.
1619 * config/s390/s390.c (s390_init_builtins): Replace calls to
1620 lang_hooks.builtin_function with add_builtin_function.
1621 * config/sparc/sparc.c (def_builtin): Replace calls to
1622 lang_hooks.builtin_function with add_builtin_function.
1623 * config/i386/i386.c (def_builtin): Replace calls to
1624 lang_hooks.builtin_function with add_builtin_function.
1625 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1626 lang_hooks.builtin_function with add_builtin_function.
1627 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1628 lang_hooks.builtin_function with add_builtin_function.
1629 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1630 Replace calls to lang_hooks.builtin_function with
1631 add_builtin_function.
1632 * config/iq2000/iq2000.c (def_builtin):
1633 Replace calls to lang_hooks.builtin_function with
1634 add_builtin_function.
1635 * config/ia64/ia64.c (def_builtin): Replace calls to
1636 lang_hooks.builtin_function with add_builtin_function.
1637 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1638 lang_hooks.builtin_function with add_builtin_function.
1639 (altivec_init_builtins): Replace calls to
1640 lang_hooks.builtin_function with add_builtin_function.
1641 * config/arm/arm.c (def_mbuiltin): Replace calls to
1642 lang_hooks.builtin_function with add_builtin_function.
1643 (arm_init_tls_builtins): Replace calls to
1644 lang_hooks.builtin_function with add_builtin_function.
1645 * config/mips/mips.c (mips_init_builtins): Replace calls to
1646 lang_hooks.builtin_function with add_builtin_function.
1647 * config/bfin/bfin.c (def_builtin): Replace calls to
1648 lang_hooks.builtin_function with add_builtin_function.
1649 * langhooks-def.h (lhd_builtin_function): New function.
1650 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1652 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1654 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1655 BUILT_IN_STRNCAT_CHK.
1657 2006-10-23 Jan Hubicka <jh@suse.cz>
1659 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1660 don't do conversion from memmove to memcpy here.
1661 (expand_builtin_bcopy, expand_builtin): Update call of
1662 expand_builtin_memmove.
1663 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1665 2006-10-23 Paul Brook <paul@codesourcery.com>
1667 * stor-layout.c (start_record_layout): maximum_field_alignment
1668 overrides STRUCTURE_SIZE_BOUNDARY.
1670 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1672 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1673 nonlocal function symbols if flag_pic.
1675 2006-10-23 Richard Guenther <rguenther@suse.de>
1679 * builtins.c (fold_binary): Remove checks for flag_wrapv
1680 and flag_trapv where negate_expr_p covers these cases.
1682 2006-10-23 Richard Guenther <rguenther@suse.de>
1685 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1686 of two on the absolute value.
1687 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1688 and negating -C does not overflow.
1690 2006-10-23 Richard Guenther <rguenther@suse.de>
1693 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1694 only if not flag_rounding_math.
1696 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1697 Kaz Kojima <kkojima@gcc.gnu.org>
1700 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1701 SImode memory reference for the source of a movua.
1702 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1703 (movua): Use an unspec instead of sign_extract. Expect the source
1704 to have mode BLKmode.
1705 (extv, insv): Use a BLKmode rather than SImode memory reference
1706 for the source of a movua.
1708 2006-10-22 Jeff Law <law@redhat.com>
1709 Richard Guenther <rguenther@suse.de>
1711 PR tree-optimization/15911
1712 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1713 (register_edge_assert_for_1): Likewise.
1714 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1715 (find_conditional_asserts): Adjust for new function signature.
1716 (find_assert_locations): Likewise.
1718 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1720 * config/i386/tmmintrin.h: Remove the duplicated content.
1722 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1724 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1725 (x86_64-*-*): Likewise.
1727 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1728 (override_options): Check SSSE3.
1729 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1730 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1731 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1732 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1733 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1734 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1735 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1736 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1737 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1738 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1739 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1740 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1741 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1742 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1743 IX86_BUILTIN_PABSD128.
1744 (bdesc_2arg): Add SSSE3.
1745 (bdesc_1arg): Likewise.
1746 (ix86_init_mmx_sse_builtins): Support SSSE3.
1747 (ix86_expand_builtin): Likewise.
1748 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1750 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1751 (UNSPEC_PSIGN): Likewise.
1752 (UNSPEC_PALIGNR): Likewise.
1753 Include mmx.md before sse.md.
1755 * config/i386/i386.opt: Add -mssse3.
1757 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1758 (ssse3_phaddwv4hi3): Likewise.
1759 (ssse3_phadddv4si3): Likewise.
1760 (ssse3_phadddv2si3): Likewise.
1761 (ssse3_phaddswv8hi3): Likewise.
1762 (ssse3_phaddswv4hi3): Likewise.
1763 (ssse3_phsubwv8hi3): Likewise.
1764 (ssse3_phsubwv4hi3): Likewise.
1765 (ssse3_phsubdv4si3): Likewise.
1766 (ssse3_phsubdv2si3): Likewise.
1767 (ssse3_phsubswv8hi3): Likewise.
1768 (ssse3_phsubswv4hi3): Likewise.
1769 (ssse3_pmaddubswv8hi3): Likewise.
1770 (ssse3_pmaddubswv4hi3): Likewise.
1771 (ssse3_pmulhrswv8hi3): Likewise.
1772 (ssse3_pmulhrswv4hi3): Likewise.
1773 (ssse3_pshufbv16qi3): Likewise.
1774 (ssse3_pshufbv8qi3): Likewise.
1775 (ssse3_psign<mode>3): Likewise.
1776 (ssse3_psign<mode>3): Likewise.
1777 (ssse3_palignrti): Likewise.
1778 (ssse3_palignrdi): Likewise.
1779 (abs<mode>2): Likewise.
1780 (abs<mode>2): Likewise.
1782 * config/i386/tmmintrin.h: New file.
1784 * doc/extend.texi: Document SSSE3 built-in functions.
1786 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1788 2006-10-22 Ira Rosen <irar@il.ibm.com>
1790 * tree-vect-transform.c (vectorizable_load): Use the type of the
1791 return value of the mask_for_load builtin to create realign_load
1794 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1796 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1799 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1801 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1802 (UNSPEC_LDDQU): This.
1803 * config/i386/sse.md (sse3_lddqu): Updated.
1805 2006-10-21 Richard Guenther <rguenther@suse.de>
1807 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1808 (expand_builtin): Use it to expand lrint instead of
1809 expand_builtin_mathfn.
1811 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1814 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1815 flag_unsafe_math_optimizations is set.
1817 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1820 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1821 patterns to use memory input operand in x87->mem->XMM
1822 reload sequences. Skip transformation for TARGET_K8.
1824 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1826 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1827 force operand1 to register if both operands are memory operands.
1828 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1829 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1830 if both operands are memory operands.
1831 (truncdfsf2): Do not force operand1 to register if both operands
1832 are memory operands.
1834 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1836 * Makefile.in (LIBS): Add $(GMPLIBS).
1837 * doc/install.texi: Update GMP and MPFR requirements.
1838 * doc/sourcebuild.texi (need_gmp): Delete.
1840 2006-10-21 Richard Guenther <rguenther@suse.de>
1842 PR tree-optimization/3511
1843 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1844 got new invariant arguments during PHI translation.
1846 2006-10-21 Richard Guenther <rguenther@suse.de>
1849 * fold-const.c (fold_comparison): Fold signed comparisons
1850 of the form X +- C1 CMP Y +- C2.
1852 2006-10-21 Richard Guenther <rguenther@suse.de>
1855 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1856 if flag_unsafe_math_optimizations is specified. We have
1857 flag_finite_math_only for that.
1858 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1859 or flag_unsafe_math_optimizations.
1861 2006-10-21 Richard Guenther <rguenther@suse.de>
1863 * builtins.c (fold_builtin_classify): Fix typo.
1865 2006-10-21 Richard Guenther <rguenther@suse.de>
1868 * simplify-rtx.c (simplify_const_relational_operation):
1869 Do not constant-fold ORDERED and UNORDERED for
1870 flag_unsafe_math_optimizations but only we do not need to
1871 honor NaNs for the given mode.
1873 2006-10-21 Richard Guenther <rguenther@suse.de>
1876 * config/i386/i386.c (classify_argument): Remove redundant
1877 walking of the BINFOs.
1878 (contains_128bit_aligned_vector_p): Likewise.
1880 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1882 * BASE-VER: Set to 4.3.0.
1884 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1886 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1887 (tree_decl_with_vis): Remove artificial_pta_var flag.
1888 * tree-flow.h (referenced_var_check_and_insert): Expose.
1889 (nonlocal_all): New prototype.
1890 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1891 (nonlocal_all): Make global.
1892 (nonlocal_lookup): Remove.
1893 (nonlocal_insert): Ditto.
1894 (create_nonlocal_var): Do not call nonlocal_insert.
1895 (get_nonlocal_id_for_type): Remove.
1896 (find_global_initializers): Mark new vars we find for renaming.
1897 (intra_create_variable_infos): Only create one nonlocal.
1898 (expand_nonlocal_solutions): Remove.
1899 (compute_points_to_sets): Don't call it.
1900 (ipa_pta_execute): Ditto.
1901 (init_alias_heapvars): Don't create nonlocal_for_type.
1902 (delete_alias_heapvars): Don't remove it.
1903 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1906 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1908 * doc/install.texi (Downloading GCC): Clarify mention of
1909 Fortran in the "full distribution" description.
1911 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1913 Fix PR tree-optimization/28778
1914 Fix PR tree-optimization/29156
1915 Fix PR tree-optimization/29415
1916 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1917 (tree_decl_with_vis): Add artificial_pta_var flag.
1918 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1919 pushed into callers.
1920 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1921 (nonlocal_all): Ditto.
1922 (struct variable_info): Add directly_dereferenced member.
1923 (var_escaped_vars): New variable.
1924 (escaped_vars_tree): Ditto.
1925 (escaped_vars_id): Ditto.
1926 (nonlocal_vars_id): Ditto.
1927 (new_var_info): Set directly_dereferenced.
1928 (graph_size): New variable
1929 (build_constraint_graph): Use graph_size.
1930 (solve_graph): Don't process constraints that cannot change the
1931 solution, don't try to propagate an empty solution to our
1933 (process_constraint): Set directly_dereferenced.
1934 (could_have_pointers): New function.
1935 (get_constraint_for_component_ref): Don't process STRING_CST.
1936 (nonlocal_lookup): New function.
1937 (nonlocal_insert): Ditto.
1938 (create_nonlocal_var): Ditto.
1939 (get_nonlocal_id_for_type): Ditto.
1940 (get_constraint_for): Allow results vector to be empty in the case
1941 of string constants.
1942 Handle results of calls properly.
1943 (update_alias_info): Update alias info stats on number and type of
1945 (find_func_aliases): Use could_have_pointers.
1946 (make_constraint_from_escaped): Renamed from
1947 make_constraint_to_anything, and changed to make constraints from
1949 (make_constraint_to_escaped): New function.
1950 (find_global_initializers): Ditto.
1951 (create_variable_info_for): Make constraint from escaped to any
1952 global variable, and from any global variable to the set of
1954 (intra_create_variable_infos): Deal with escaped instead of
1955 pointing to anything.
1956 (set_uids_in_ptset): Do type pruning on directly dereferenced
1958 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1959 (init_base_vars): Fix comment, and initialize escaped_vars.
1960 (need_to_solve): Removed.
1961 (find_escape_constraints): New function.
1962 (expand_nonlocal_solutions): Ditto.
1963 (compute_points_to_sets): Call find_escape_constraints and
1964 expand_nonlocal_solutions.
1965 (delete_points_to_sets): Don't fall off the end of the graph.
1966 (init_alias_heapvars): Initialize nonlocal_for_type and
1968 (delete_alias_heapvars): Free nonlocal_for_type and null out
1971 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1973 * fold-const.c (add_double): Rename to add_double_with_sign.
1974 Add 'unsigned_p' parameter and take it into account for the overflow.
1975 (mul_double): Rename to mul_double_with_sign.
1976 Add 'unsigned_p' parameter and take it into account for the overflow.
1977 (fold_div_compare): Call add_double_with_sign instead of add_double
1978 and mul_double_with_sign instead of mul_double, passing them the
1979 unsignedness of the type.
1980 * tree.h (add_double): Macroize.
1981 (add_double_with_sign): New prototype.
1982 (mul_double): Macroize.
1983 (mul_double_with_sign): New prototype.
1985 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1987 * config/score/crti.asm: New file.
1988 * config/score/crtn.asm: New file.
1989 * config/score/elf.h: New file.
1990 * config/score/mac.md: New file.
1991 * config/score/misc.md: New file.
1992 * config/score/mul-div.S: New file.
1993 * config/score/predicates.md: New file.
1994 * config/score/score7.md: New file.
1995 * config/score/score.c: New file.
1996 * config/score/score-conv.h: New file.
1997 * config/score/score.h: New file.
1998 * config/score/score.md: New file.
1999 * config/score/score-mdaux.c: New file.
2000 * config/score/score-mdaux.h: New file.
2001 * config/score/score-modes.def: New file.
2002 * config/score/score.opt: New file.
2003 * config/score/score-protos.h: New file.
2004 * config/score/score-version.h: New file.
2005 * config/score/t-score-elf: New file.
2006 * config.gcc: Add score*-*-* configurations(Update before).
2007 * doc/invoke.texi (Score Options): New section.
2008 * doc/md.texi (Score family): New section to document constraints.
2010 2006-10-19 Nick Clifton <nickc@redhat.com>
2012 * config/arm/arm.c: Fix spelling typo.
2014 2006-10-18 Tom Tromey <tromey@redhat.com>
2016 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2018 2006-10-18 Jan Hubicka <jh@suse.cz>
2021 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2024 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2026 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2027 TSI_SAME_STMT, since that's the desired entity.
2029 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2031 * config/s390/contraints.md: New file.
2032 * config/s390/s390-protos.h (s390_mem_constraint,
2033 s390_O_constraint_str, s390_N_constraint_str,
2034 s390_float_const_zero_p): Function prototypes added.
2035 * config/s390/s390.c (s390_extra_constraint_str,
2036 s390_const_double_ok_for_constraint_p,
2037 s390_const_ok_for_constraint_p): Functions removed.
2038 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2039 s390_float_const_zero_p): New functions.
2040 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2041 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2042 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2043 Macro definitions removed.
2044 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2045 s390_extra_constraint_str): Functions removed.
2047 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2048 Richard Sandiford <richard@codesourcery.com>
2051 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2052 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2054 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2056 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2057 (DWARF2_FRAME_REG_OUT): Likewise.
2058 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2059 (DWARF2_FRAME_REG_OUT): Likewise.
2061 2006-10-17 Paul Brook <paul@codesourcery.com>
2063 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2065 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2067 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2068 Standardize on "GNU Fortran" as the official name of the Fortran
2071 2006-10-16 Mike Stump <mrs@apple.com>
2073 * doc/invoke.texi (Darwin Options): Document -mkernel.
2074 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2076 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2077 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2078 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2079 (OS_MISSING_ALTIVEC): Add.
2080 * config/i386/i386.c (override_options): Add
2081 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2082 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2083 -mkernel, -static or -mdynamic-no-pic is given.
2084 (C_COMMON_OVERRIDE_OPTIONS): Add.
2085 * config/darwin.opt (fapple-kext): Add.
2087 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2088 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2090 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2091 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2092 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2093 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2094 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2095 (flag_mkernel): Add.
2096 (flag_apple_kext): Add.
2097 (TARGET_KEXTABI): Add.
2098 * config/darwin.c (darwin_handle_kext_attribute): Add.
2099 (DARWIN_VTABLE_P): Add.
2100 (darwin_binds_local_p): Add partial support for rebinding vtables
2102 (darwin_kextabi_p): Add.
2103 (darwin_override_options): Add.
2104 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2105 (darwin_kextabi_p): Add.
2106 (darwin_override_options): Add.
2107 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2108 __DYNAMIC__ and __STATIC__ here.
2110 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2112 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2113 Added mention of "make pdf" target, and Texinfo requirements for
2116 2006-10-16 DJ Delorie <dj@redhat.com>
2118 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2119 into the GOT in case we need a subreg of the address.
2121 2006-10-16 Richard Guenther <rguenther@suse.de>
2124 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2125 SSE builtin documentation. Document SSE2 builtins.
2127 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2129 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2130 symbol in the output file for non-shared links when -nostdlib or
2131 -nodefaultlibs isn't specified.
2133 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2134 posix thread support.
2136 2006-10-15 Jan Hubicka <jh@suse.cz>
2139 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2140 declared always_inline even when not inlining.
2142 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2143 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2144 Andrew Pinski <pinskia@gmail.com>
2147 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2149 2006-10-15 Jan Hubicka <jh@suse.cz>
2150 Richard Guenther <rguenther@suse.de>
2153 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2154 process_function_and_variable_attributes on all variables, including
2155 those discovered during cgraph construction phase.
2157 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2159 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2161 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2163 * config/i386/athlon.md (athlon_fist): Add fisttp.
2165 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2166 Ian Lance Taylor <ian@airs.com>
2169 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2170 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2173 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2175 * config/score/score.c, config/score/score.h: Fix comment
2178 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2181 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2184 2006-10-13 Eric Christopher <echristo@apple.com>
2186 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2188 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2191 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2192 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2193 alignment supported by 32-bit ELF.
2195 2006-10-13 Eric Christopher <echristo@apple.com>
2197 * config/darwin.c (darwin_emit_unwind_label): Strip
2198 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2200 2006-10-13 Richard Guenther <rguenther@suse.de>
2202 PR tree-optimization/29446
2203 * tree-vrp.c (fix_equivalence_set): Remove.
2204 (extract_range_from_assert): Do not call fix_equivalence_set.
2205 (debug_value_range): Print a newline.
2206 (compare_name_with_value): For equivalence sets with
2207 inconsistent value ranges conservatively bail out.
2208 (compare_names): Likewise.
2210 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2212 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2213 and MPFR for gfortran.
2215 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2217 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2218 alignment supported by 32-bit ELF.
2220 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2224 * c-typeck.c (digest_init): Always allow initializing vectors
2225 that have static storage duration with compound literals.
2226 * tree.c (build_type_attribute_qual_variant): New, based on
2227 build_type_attribute_variant.
2228 (build_type_attribute_variant): Rewrite using the former.
2229 (make_vector_type): Use build_type_attribute_qual_variant to build
2230 type variants. Use type_hash_canon on the others.
2232 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2233 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2235 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2237 2006-10-12 Jan Hubicka <jh@suse.cz>
2240 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2241 current_function_decl is set but current_function_scope is not.
2243 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2245 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2246 emit_insn to emit eh_return_internal instruction.
2247 (eh_return_internal): Explicitly set pc.
2249 2006-10-11 Richard Guenther <rguenther@suse.de>
2251 PR tree-optimization/28230
2252 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2253 to the correct place.
2255 2006-10-11 Richard Guenther <rguenther@suse.de>
2258 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2261 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2263 * configure.ac: Added pdf to "Make-hooks"
2264 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2265 targets and *.pdf file patterns in cleanup targets.
2266 * configure: Regenerated.
2268 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2270 * config/avr/predicates.md: New file.
2271 * config/avr/avr.md: Include it.
2272 (REG_SP): New constant.
2273 (peepholes): Use predicates.
2274 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2275 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2276 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2278 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2280 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2283 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2286 * builtins.c (var_decl_component_p): New function.
2287 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2288 single entry optimization to variables and components thereof.
2290 2006-10-10 Richard Guenther <rguenther@suse.de>
2292 PR rtl-optimization/29323
2293 * except.c (set_nothrow_function_flags): For functions
2294 that do not bind local bail out early.
2296 2006-10-10 Ben Elliston <bje@au.ibm.com>
2298 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2301 2006-10-09 Richard Henderson <rth@redhat.com>
2303 Revert emutls patch.
2305 2006-10-09 Richard Guenther <rguenther@suse.de>
2308 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2311 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2314 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2315 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2316 * configure: Regenerate.
2317 * config.in: Regenerate.
2319 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2321 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2323 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2325 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2326 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2327 Remove stray newline.
2329 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2331 * config/mips/mips.c (mips_classify_symbol): Do not return
2332 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2333 (mips_in_small_data_p): Tweak comments.
2335 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2337 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2339 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2341 * gimplify.c, sched-int.h: Fix comment typos.
2343 * sched-int.h: Fix comment typos.
2345 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2347 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2349 * sched-ebb.c (begin_schedule_ready): Use them.
2350 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2351 add_to_speculative_block, create_check_block_twin, speculate_insn,
2352 fix_jump_move, move_block_after_check): Ditto.
2353 * sched-rgn.c (new_ready): Ditto.
2355 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2357 PR rtl-optimization/29128
2358 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2359 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2360 allow interblock movement of speculation checks.
2362 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2365 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2366 casted to integer type.
2367 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2368 if they are significantly more expensive than [reg + index] ones.
2370 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2372 PR tree-optimization/29330
2373 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2374 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2375 on newly allocated ddrs.
2376 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2377 to VEC (loop_p, heap) pointer.
2378 (compute_data_dependences_for_loop): Adjust caller.
2379 (free_dependence_relations): Free DDR_LOOP_NEST.
2381 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2382 free DEPENDENCE_RELATIONS and DATAREFS.
2385 * builtins.c (expand_builtin_sync_operation,
2386 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2387 Use convert_to_mode to handle promoted arguments.
2389 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2391 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2393 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2395 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2397 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2399 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2400 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2401 Use <modeconstraint> instead of "r" as operand 1 constraint.
2403 2006-10-06 Olivier Hainque <hainque@adacore.com>
2405 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2406 Don't recurse on the pointed-to type.
2407 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2408 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2409 types with components of variable size.
2411 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2413 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2415 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2417 PR tree-optimization/29290
2418 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2422 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2423 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2426 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2427 the number of vector elements fill the rest with zeros.
2429 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2431 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2432 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2435 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2437 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2438 unnamed pattern into subsi3. Use correct constraints/predicates.
2439 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2440 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2442 2006-10-05 Ira Rosen <irar@il.ibm.com>
2444 * doc/loop.texi: Add data references analysis description.
2446 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2448 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2450 2006-10-04 Richard Henderson <rth@redhat.com>
2451 Jakub Jelinek <jakub@redhat.com>
2453 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2454 * builtin-types.def (BT_WORD): Make unsigned.
2455 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2456 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2457 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2458 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2459 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2460 * cgraph.c (decide_is_variable_needed): Look at force_output.
2461 Recurse for emulated tls.
2462 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2463 checks redundant with decide_is_variable_needed.
2464 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2465 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2467 * expr.c (emutls_var_address): New.
2468 (expand_expr_real_1): Expand emulated tls.
2469 (expand_expr_addr_expr_1): Likewise.
2470 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2471 * output.h (emutls_finish): Declare.
2472 * toplev.c (compile_file): Call it.
2473 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2474 address before wrapping in CONST.
2475 * varasm.c (emutls_htab, emutls_object_type): New.
2476 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2477 (get_emutls_object_name, get_emutls_object_type): New.
2478 (get_emutls_init_templ_addr, emutls_decl): New.
2479 (emutls_common_1, emutls_finish): New.
2480 (assemble_variable): When emulating tls, swap decls; generate
2481 constructor for the emutls objects.
2482 (do_assemble_alias): When emulating tls, swap decl and target name.
2483 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2485 * emutls.c: New file.
2486 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2487 tls_object for real tls.
2489 2006-10-04 Zack Weinberg <zackw@panix.com>
2491 Fix bug in constraint-check generator, reported by Rask Ingemann
2493 * genpreds.c (add_constraint): Don't remove anything from the
2495 (write_tm_constrs_h): Detect whether "op" argument is used, and
2496 mark it ARG_UNUSED if it isn't.
2497 (write_insn_const_int_ok_for_constraint): Skip the part of the
2498 expression that would test whether "op" (which is not available
2499 here) is a CONST_INT.
2501 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2504 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2506 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2508 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2509 current Leopard versions.
2510 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2512 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2514 * doc/install.texi: Fix typos.
2516 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2518 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2519 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2520 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2522 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2524 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2525 arg to be struct mach_header_64* instead.
2527 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2530 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2531 side effects after the outer expression's post side effects.
2533 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2535 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2536 comments to reflect actual behavior and relationship between
2537 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2539 * doc/c-tree.texi (Working with declarations): Fix documentation
2540 of FIELD_DECL likewise.
2542 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2545 * doc/extend.texi: Add used variable attribute description.
2547 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2550 * c.opt (Woverride-init): New.
2551 * c-opts.c (c_common_post_options): Default warn_override_init to
2553 * c-typeck.c (add_pending_init, output_init_element): Warn for
2554 overriding initializers without side effects.
2555 * doc/invoke.texi (-Woverride-init): Document.
2558 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2560 PR rtl-optimization/28096
2561 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2562 assignment has already been used as a destination earlier in the block.
2564 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2566 * builtins.c (expand_builtin_setjmp): Delete.
2567 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2568 <BUILT_IN_SETJMP_SETUP>: New case.
2569 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2570 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2571 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2572 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2573 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2574 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2575 (lower_function_body): Initialize it to false. If it is set to true
2576 at the end of the processing, emit the setjmp dispatcher.
2577 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2578 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2579 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2580 on the rhs of the assignment.
2581 (lower_builtin_setjmp): New function.
2582 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2583 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2584 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2585 to detect calls that can go to non-local labels. Use specific
2586 helper to create the abnormal edges associated with them.
2587 <MODIFY_EXPR>: Likewise.
2588 (make_abnormal_goto_edges): New function extracted from...
2589 (make_goto_expr_edges): ...here. Call it for computed gotos.
2590 (simple_goto_p): Minor tweak.
2591 (tree_can_make_abnormal_goto): New predicate.
2592 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2593 (tree_purge_dead_abnormal_call_edges): New function.
2594 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2595 (tree_purge_dead_abnormal_call_edges): Likewise.
2596 (make_abnormal_goto_edges): Likewise.
2597 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2598 Purge all dead abnormal edges if the call was in the last statement.
2599 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2600 (execute_fixup_cfg): If there are non-local labels in the function,
2601 scan the basic blocks and split them at calls that can go to non-local
2602 labels or add missing abnormal call edges. Write down the CFG in the
2604 (pass_fixup_cfg): Remove TODO_dump_func flag.
2605 * unwind-sjlj.c: Poison setjmp.
2606 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2607 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2608 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2609 (DONT_USE_BUILTIN_SETJMP): Document it.
2611 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2614 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2615 to 1 when __ppc64__ is defined.
2616 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2618 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2620 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2622 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2623 * config/ia64/unwind-hpux.c: Delete.
2625 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2627 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2628 on the element before gimplifying it, instead of punting if it is of
2631 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2633 * doc/loop.texi: New file.
2634 * doc/gccint.texi: Reference loop.texi.
2635 * Makefile.in (loop.texi): Add.
2637 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2639 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2641 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2642 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2644 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2646 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2648 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2650 * doc/install.texi: Document required versions of GMP and MPFR.
2652 2006-09-27 Paul Brook <paul@codesourcery.com>
2655 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2657 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2659 * reload1.c (alter_reg): Require the alignment of the stack slot to
2660 be at least reg_max_ref_width bytes.
2661 (scan_paradoxical_subregs): Record the largest width in
2664 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2668 * tree-nested.c (struct nesting_info): Added static_chain_added.
2669 (convert_call_expr): Set static_chain_added when adding static
2670 chain. Handle OMP_PARALLEL and OMP_SECTION.
2672 2006-09-25 Matthias Klose <doko@debian.org>
2674 * doc/invoke.texi: Add missing full stop.
2676 2006-09-25 Richard Henderson <rth@redhat.com>
2678 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2679 before cgraph_function_flags_ready.
2681 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2682 Adam Nemet <anemet@caviumnetworks.com>
2684 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2685 determine_common_wider_type): New functions.
2686 (get_computation_aff): Use them to simplify arithmetic between
2687 UBASE and CBASE if they are shortened from the same type.
2689 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2692 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2693 -2147483647 - 1 instead of 0x80000000.
2695 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2697 * flags.h (HONOR_NANS): Fix typo in comment.
2699 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2701 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2703 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2707 * tree.c (merge_attributes, attribute_list_contained): If both
2708 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2710 * c-typeck.c (comptypes_internal): Don't consider aggregates
2711 in different TUs as compatible if there one set of attributes is
2712 not a subset of the other type's attributes.
2713 (composite_type): Try harder not to create a new aggregate type.
2715 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2717 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2718 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2719 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2720 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2721 than replicating condition above.
2722 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2724 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2725 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2726 the linker by default.
2728 2006-09-22 Mike Stump <mrs@apple.com>
2730 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2733 2006-09-22 Richard Guenther <rguenther@suse.de>
2736 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2737 sort of stack variables stable.
2739 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2742 * explow.c (force_reg): Set REG_POINTER flag according to
2745 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2747 PR tree-optimization/28888
2748 * tree-if-conv.c (combine_blocks): Rewritten.
2749 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2750 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2752 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2754 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2757 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2759 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2761 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2763 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2765 2006-09-21 Roger Sayle <roger@eyesopen.com>
2768 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2769 dw_fde_current_label, to be the start of the function, i.e. the same
2770 value as dw_fde_begin.
2772 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2774 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2775 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2776 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2777 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2778 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2779 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2780 (abs<mode>2, neg<mode>2): Likewise.
2781 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2782 (*mips_abs_ps): New define_insn.
2784 2006-09-20 Josh Conner <jconner@apple.com>
2787 * calls.c (expand_call): Allow reuse of structure return stack
2790 2006-09-20 Paul Brook <paul@codesourcery.com>
2792 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2795 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2797 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2798 clean up terminology.
2800 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2803 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2804 with tablejumps in them.
2806 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2809 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2810 wrap it into TARGET_EXPR.
2812 2006-09-20 Eric Christopher <echristo@apple.com>
2814 * config/i386/i386.c (x86_fisttp): Remove.
2815 * config/i386/i386.h (x86_fisttp): Ditto.
2816 (TARGET_FISTTP): Ditto.
2818 2006-09-19 Eric Christopher <echristo@apple.com>
2820 * doc/tm.texi (OBJC_JBLEN): Describe.
2821 * config/i386/darwin.h (OBJC_JBLEN): Define.
2822 * config/rs6000/darwin.h: Ditto.
2824 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2826 PR rtl-optimization/21299
2827 * reload1.c (reload): Purge invalid ASMs in the final pass.
2829 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2832 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2833 pointers as legitimate constants.
2835 2006-09-19 Paul Brook <paul@codesourcery.com>
2838 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2840 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2842 PR tree-optimization/28887
2843 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2844 component parts from the reference.
2845 (gather_memory_references_ref): Record the reference without the
2846 nonaddressable component parts.
2848 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2851 * c-opts.c (c_common_handle_option): Ignore the -std options
2852 if the input language is assembly.
2854 2006-09-17 Ira Rosen <irar@il.ibm.com>
2857 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2859 (ptr_ptr_may_alias_p): Likewise.
2860 (record_record_differ_p): New function.
2861 (base_object_differ_p): Call record_record_differ_p.
2863 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2866 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2867 away for the expr argument.
2869 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2872 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2873 before using it for dumping after vectorizing loops.
2875 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2876 Jack Howarth <howarth@bromo.med.uc.edu>
2879 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2880 skip on error_mark_node.
2881 (rs6000_darwin64_record_arg_recurse): Likewise.
2883 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2885 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2886 * doc/rtl.texi: Remove related documentation.
2888 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2890 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2893 2006-09-15 Jim Wilson <wilson@specifix.com>
2895 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2896 Handle symbol offsets same as they are handled in ia64_expand_move
2899 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2901 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2902 Add forgotten parameter to the fprintf call.
2904 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2906 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2908 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2910 * doc/contrib.texi: Add my entry.
2912 2006-09-15 Nick Clifton <nickc@redhat.com>
2914 * doc/md.texi (Processor pipeline description): Fix typo in
2915 example of how to use the absence_set directive and reword the
2916 description to make it slightly easier to read.
2918 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2920 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2921 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2922 expanding the number of iterations.
2923 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2925 * cfgrtl.c (emit_insn_at_entry): New function.
2926 * rtl.h (emit_insn_at_entry): Declare it.
2927 * integrate.c (emit_initial_value_sets): Use it.
2929 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2931 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2933 (struct loop_work and related VEC declarations): Delete.
2934 (bfin_dump_loops): Print out new member bad.
2935 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2936 (bfin_scan_loop): Don't recurse.
2937 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2938 loops. No longer need to update outer loops if the current one is
2939 found bad. Move some validitiy checks to bfin_discover_loop.
2940 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2941 but changed not to check for nesting. Also changed to use the new bad
2943 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2944 time. Use bitmap based test to discover loop nesting.
2946 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2948 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2951 2006-09-14 Richard Guenther <rguenther@suse.de>
2952 Kazu Hirata <kazu@codesourcery.com>
2954 PR middle-end/28884.
2955 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2956 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2957 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2958 with TARGET_FUNCTION_VALUE.
2960 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2963 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2965 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2967 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2970 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2973 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2976 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2978 * basic_block.h (bb_has_eh_pred): Fix comment.
2980 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2982 * flow.c (calculate_global_regs_live): Invalidate eh registers
2983 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2984 (propagate_block): Handle eh registers as if they were set at basic
2986 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2988 * global.c (global_conflicts): Make eh registers to conflict with
2989 pseudos live at basic block begin.
2990 * basic_block.h (bb_has_eh_pred): New function.
2992 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2994 PR rtl-optimization/28982
2995 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2996 index of a PRE_MODIFY or POST_MODIFY address.
2997 * reload1.c (inc_for_reload): Use find_replacement on the original
2998 base and index registers.
3000 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3002 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3003 for -Os. Update __m128 alignment requirement.
3005 2006-09-13 Jan Hubicka <jh@suse.cz>
3007 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3009 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3011 PR rtl-optimization/28243
3012 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3013 the insn to which the note was originally attached.
3015 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3016 Roger Sayle <roger@eyesopen.com>
3018 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3019 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3020 on platforms that don't use dwarf for debug info.
3022 2006-09-12 Jason Merrill <jason@redhat.com>
3025 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3026 hard_frame_pointer_rtx after using it to update the frame pointer.
3028 2006-09-12 Roger Sayle <roger@eyesopen.com>
3030 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3031 (TARGET_ASM_CLOSE_PAREN): Likewise.
3032 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3033 (TARGET_ASM_CLOSE_PAREN): Likewise.
3035 2006-09-12 Roger Sayle <roger@eyesopen.com>
3038 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3039 frame information for frames larger than 512 Kbytes on Tru64 when
3040 using the native assembler.
3042 2006-09-12 Roger Sayle <roger@eyesopen.com>
3046 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3047 and symbols. Instead use the implementation from cse.c's hash_rtx.
3049 2006-09-12 Jan Hubicka <jh@suse.cz>
3051 PR rtl-optimization/28071
3052 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3053 (vect_transform_loop): Likewise.
3054 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3055 (new_loop_vec_info): Likewise.
3056 (destroy_loop_vec_info): Likewise.
3057 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3058 (create_stmt_ann): Likewise.
3059 (create_tree_ann): Rename to ...
3060 (create_tree_common_ann): ... this one; allocate only the common part
3062 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3063 (get_value_handle): Likewise.
3064 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3065 get_tree_common_ann.
3066 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3067 (vinfo_for_stmt): Use stmt annotations.
3068 * tree-flow.h (tree_ann_common_t): New type.
3069 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3070 (tree_ann, get_tree_ann, create_tree_ann): New.
3071 * tree-flow-inline.h (get_function_ann): Do more type checking.
3072 (stmt_ann): Likewise.
3073 (tree_ann): Rename to ...
3074 (tree_common_ann): ... this one; return ony common_ann
3075 (get_tree_ann): Rename to ...
3076 (tree_common_ann): This one; return only common_ann.
3077 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3080 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3082 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3083 with_cpu by default.
3085 * dwarf2out.c (dwarf_file_data): New.
3086 (enum dw_val_class): Add dw_val_class_file.
3087 (struct dw_val_struct): Add val_file.
3088 (file_table): Change to a hash table.
3089 (file_table_emitted): Delete.
3090 (file_table_last_lookup_index): Delete.
3091 (emitcount): Delete.
3092 (last_emitted_file): New.
3093 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3094 (init_file_table): Delete.
3095 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3096 (AT_addr): Add comment.
3100 (print_die): Handle dw_val_class_file.
3101 (print_dwarf_line_table): Update for new file table structure.
3102 (attr_checksum): Do checksum a filename.
3103 (same_dw_val_p, same_attr_p): Do compare a filename.
3104 (size_of_die): Handle dw_val_class_file.
3105 (value_format): Likewise.
3106 (output_die): Likewise. Also, call maybe_emit_file here.
3107 (struct file_info): Constify filenames. Make file_idx a pointer
3108 to a struct dwarf_file_data.
3109 (struct dir_info): Constify directory names. Remove 'used' field.
3110 (struct file_name_acquire_data): New.
3111 (file_name_acquire): New.
3112 (output_file_names): Modify to handle new file data structures.
3113 (add_src_coords_attributes): Use add_AT_file.
3114 (add_call_src_coords_attributes): Likewise.
3115 (dwarf2out_imported_module_or_decl): Likewise.
3116 (gen_subprogram_die): Modify for new file data structures.
3117 (gen_variable_die): Likewise.
3118 (file_table_eq): New.
3119 (file_table_hash): New.
3120 (file_table_last_lookup): New.
3121 (lookup_filename): Rewrite to handle new file data structures.
3122 (maybe_emit_file): Rewrite to handle new file data structures.
3123 (dwarf2out_source_line): Always call lookup_filename and
3125 (dwarf2out_init): Create file_table here.
3126 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3127 (file_table_relative_p): New.
3128 (dwarf2out_finish): Change detection of relative filenames
3129 to work with new file data structures. Move output_line_info call
3130 after debug_info output.
3132 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3137 * config/i386/i386.c (override_options): Always default to 16
3138 byte stack boundary.
3140 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3143 * var-tracking.c (dump_dataflow_set): Start dumping at
3145 (clobber_variable_part): Kill only the variable part in
3146 registers holding it, leaving other variables alone.
3148 2006-09-11 Josh Triplett <josh@freedesktop.org>
3150 * doc/extend.texi (Other Builtins): Actually use the macro
3151 argument in the documentation example for
3152 __builtin_types_compatible_p.
3154 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3156 PR rtl-optimization/28726
3157 * sched-deps.c (sched_analyze_reg): New function extracted from...
3158 (sched_analyze_1): ...here. Call it to analyze references to
3159 registers. Treat again writes to a stack register as writing to the
3161 (sched_analyze_2): ...and here. Call it to analyze references to
3162 registers. Treat again reads of a stack register as reading the
3165 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3166 David Edelsohn <edelsohn@gnu.org>
3169 * config/rs6000/spe.md (frob_df_di): Remove %H.
3170 (frob_di_df): Remove %H. Change evmergelo to mr.
3171 (frob_di_df_2): Remove %H. Change evldd to two loads.
3173 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3175 * doc/cpp.texi: Fix names of charset options.
3177 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3180 * config/i386/i386.c (override_options): Use 128-bit
3181 stack boundary always for 64bits.
3183 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3185 PR rtl-optimization/28636
3186 * combine.c (force_to_mode): Test for side-effects before
3187 substituting by zero.
3188 (simplify_shift_const): Likewise for zero or other constants.
3190 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3193 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3196 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3199 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3200 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3201 returned by mode_for_size, rather than the mode of src itself,
3202 to choose between 32-bit and 64-bit patterns.
3203 (mips_mem_fits_mode_p): New function.
3204 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3205 that the size of the source matches the size of the destination.
3206 (mov_<store>l, mov_<store>r): Likewise.
3208 2006-09-10 Eric Christopher <echristo@apple.com>
3210 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3213 2006-09-09 Eric Christopher <echristo@apple.com>
3216 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3219 2006-09-09 Roger Sayle <roger@eyesopen.com>
3220 Nicolas Setton <setton@adacore.com>
3222 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3224 2006-09-10 Andreas Schwab <schwab@suse.de>
3226 * config/m68k/m68k.md (bungt_rev): New pattern.
3228 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3229 Dale Johannesen <dalej@apple.com>
3232 * regclass.c (struct reg_pref): Update documentation.
3233 (regclass): Set prefclass to NO_REGS if memory is the best option.
3234 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3236 2006-09-08 Eric Christopher <echristo@apple.com>
3238 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3239 * config/t-slibgcc-darwin: Support x86_64 multilib.
3240 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3241 Return 1 for x86_64-darwin.
3242 * config/i386/t-darwin: Add m64 multilib.
3243 (LIB2_SIDITI_CONV_FUNCS): Use.
3244 (LIB2FUNCS_EXTRA): Ditto.
3245 * config/i386/darwin.h: Support x86_64.
3246 * config/i386/i386.c (override_options): Turn on flag_pic
3247 for x86_64-darwin. Disable flag_omit_pointer.
3248 (get_pc_thunk_name): Assert !TARGET_64BIT.
3249 (legitimate_address_p): Disable machopic addressing for
3251 (legitimize_pic_address): Ditto.
3252 (ix86_expand_move): Ditto.
3253 (ix86_expand_call): Ditto.
3254 (machopic_output_stub): Ditto.
3255 * config/darwin.c (machopic_select_section): Support literal16.
3256 (machopic_select_rtx_section): Ditto.
3257 * config/darwin-sections.def: Ditto.
3258 * config/darwin-64.c: New.
3260 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3263 * c-tree.h (struct c_arg_info): Add pending_sizes.
3264 * c-parser.c (c_parser_parms_declarator,
3265 c_parser_parms_list_declarator): Initialize pending_sizes.
3266 * c-decl.c (get_parm_info): Initialize pending_sizes.
3267 (get_parm_info): Set pending_sizes.
3268 (grokdeclarator): Call put_pending_sizes for parameters for
3269 function definition only.
3271 2006-09-07 Jason Merrill <jason@redhat.com>
3274 * varasm.c (output_constant): Only strip actual no-op conversions.
3277 * config/i386/i386.c (override_options): Use 128-bit
3278 stack boundary if -msse.
3280 2006-09-07 Eric Christopher <echristo@apple.com>
3282 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3284 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3287 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3289 * dwarf2out.c: Remove strange characters from comment above
3290 dwarf2out_frame_debug_expr.
3292 2006-09-07 Eric Christopher <echristo@apple.com>
3294 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3295 * config/darwin.h: ... to here.
3297 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3299 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3301 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3302 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3304 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3305 TARGET_PARTIAL_FLAG_REG_STALL.
3306 (*ashldi3_cconly_rex64): Likewise.
3307 (*ashlsi3_cmp): Likewise.
3308 (*ashlsi3_cconly): Likewise.
3309 (*ashlsi3_cmp_zext): Likewise.
3310 (*ashlhi3_cmp): Likewise.
3311 (*ashlhi3_cconly): Likewise.
3312 (*ashlqi3_cmp): Likewise.
3313 (*ashlqi3_cconly): Likewise.
3314 (*ashrdi3_cmp_rex64): Likewise.
3315 (*ashrdi3_cconly_rex64): Likewise.
3316 (*ashrsi3_cmp): Likewise.
3317 (*ashrsi3_cconly): Likewise.
3318 (*ashrsi3_cmp_zext): Likewise.
3319 (*ashrhi3_cmp): Likewise.
3320 (*ashrhi3_cconly): Likewise.
3321 (*ashrqi3_cmp): Likewise.
3322 (*ashrqi3_cconly): Likewise.
3323 (*lshrdi3_cmp_rex64): Likewise.
3324 (*lshrdi3_cconly_rex64): Likewise.
3325 (*lshrsi3_cmp): Likewise.
3326 (*lshrsi3_cconly): Likewise.
3327 (*lshrsi3_cmp_zext): Likewise.
3328 (*lshrhi3_cmp): Likewise.
3329 (*lshrhi3_cconly): Likewise.
3330 (*lshrqi2_cmp): Likewise.
3331 (*lshrqi2_cconly): Likewise.
3333 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3336 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3337 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3338 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3339 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3340 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3341 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3342 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3343 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3344 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3345 implement only CC setting effects of shift instructions.
3347 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3349 * doc/contrib.texi: Add myself.
3351 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3354 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3355 was set by the user.
3357 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3360 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3361 (divsi_inv_m1): Use them.
3362 (UNSPEC_DIV_INV_TABLE): New constant.
3364 2006-09-06 James E Wilson <wilson@specifix.com>
3367 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3368 then call count_or_remove_death_notes.
3370 2006-09-06 Jason Merrill <jason@redhat.com>
3373 * tree-inline.c (copy_result_decl_to_var): New fn.
3374 (declare_return_variable): Use it. Call declare_inline_vars here.
3375 (expand_call_inline): Not here.
3377 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3379 * doc/contrib.texi: Update my entry.
3381 2006-09-06 Nick Clifton <nickc@redhat.com>
3383 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3385 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3388 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3389 (canonicalize_induction_variables): Likewise.
3390 (tree_unroll_loops_completely): Likewise.
3391 (tree_ssa_prefetch_arrays): Likewise.
3392 (remove_empty_loops): Likewise.
3393 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3394 TODO_cleanup_cfg instead of directly calling
3395 cleanup_tree_cfg_loop.
3396 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3398 (tree_unroll_loops_completely): Likewise.
3399 (remove_empty_loops): Likewise.
3400 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3401 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3402 of tree_ssa_unswitch_loops.
3403 (tree_ssa_loop_ivcanon): Use the return value of
3404 canonicalize_induction_variables.
3405 (tree_ssa_empty_loop): Use the return value of
3407 (tree_complete_unroll): Use the return value of
3408 tree_unroll_loops_completely.
3409 (tree_ssa_loop_prefetch): Use the return value of
3410 tree_ssa_prefetch_arrays.
3411 * passes.c (execute_todo): Before Cleanup CFG, set
3412 updating_used_alone and after cleanup CFG, call
3413 recalculate_used_alone.
3415 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3418 * tree-vect-transform.c (vectorizable_condition): Move the check
3419 for the type after the check for simple condition.
3421 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3422 Kaz Kojima <kkojima@gcc.gnu.org>
3425 * mode-switching.c (optimize_mode_switching): Make the destination
3426 block of an abnormal edge have no anticipatable mode. Don't
3427 insert mode switching code at the end of the source block of
3430 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3432 PR rtl-optimization/26847
3433 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3434 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3435 (simplify_plus_minus): Count n_constants while filling ops. Replace
3436 qsort with insertion sort. Before going through the array to simplify
3437 pairs, sort it. Delay early exit until after the first sort, exiting
3438 only if no swaps occurred. Simplify pairs in reversed order, without
3439 special-casing the first iteration. Pack ops after simplifying pairs.
3441 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3443 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3444 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3445 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3446 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3448 2006-09-05 Richard Guenther <rguenther@suse.de>
3450 PR tree-optimization/28900
3451 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3452 compound conditional before creating COND_EXPR condition.
3454 2006-09-05 Richard Guenther <rguenther@suse.de>
3456 PR tree-optimization/28905
3457 * tree-vrp.c (fix_equivalence_set): Manually implement
3458 !value_ranges_intersect_p to also handle symbolic ranges.
3460 2006-09-05 Richard Guenther <rguenther@suse.de>
3463 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3466 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3468 PR rtl-optimization/27616
3469 * cse.c (table_size): New static variable.
3470 (new_basic_block): Initialize it to 0.
3471 (remove_from_table): Decrement it.
3472 (insert): Increment it.
3473 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3474 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3475 fold_rtx_mem_1 if under the cap.
3476 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3477 the lookup of the equivalent expression and test for equality of the
3478 first operand of the equivalent expression before in turn looking up
3479 an equivalent constant for the second operand.
3481 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3484 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3485 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3486 pointer, instead of assuming it is possible to derive the
3487 correct args size from a call insn.
3489 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3492 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3493 (fold_builtin_mempcpy): Rename to...
3494 (fold_builtin_memory_op): ... this. Optimize one element copy
3496 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3498 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3499 (expand_builtin_memcpy, expand_builtin_mempcpy,
3500 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3501 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3502 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3503 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3505 2006-09-01 DJ Delorie <dj@redhat.com>
3507 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3508 (stzx_16): Likewise.
3509 ("stzx_24_<mode>"): Likewise.
3510 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3511 ("cmp<mode>_op"): New.
3512 (cmp<mode>): Change to expander; just save operands.
3514 (b<code>): Change to expander, emit compare here.
3515 (s<code>_op): Change to use split and expander.
3516 (s<code>_24_op): Likewise.
3517 (s<code>_<mode>): New.
3518 (s<code>_<mode>_24): New.
3519 (movqicc_<code>_<mode): New.
3520 (movhicc_<code>_<mode>): New.
3523 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3524 (m32c_pend_compare): New.
3525 (m32c_unpend_compare): New.
3526 (m32c_expand_scc): New.
3527 (m32c_expand_movcc): Emit the compare also.
3528 * config/m32c/predicates.md (mra_nopp_operand): New.
3530 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3531 Richard Guenther <rguenther@suse.de>
3532 Adam Nemet <anemet@caviumnetworks.com>
3535 * builtins.c (get_pointer_alignment): Handle more forms
3536 of base addresses that can be used to derive more precise
3537 information about alignment.
3539 2006-09-01 Jason Merrill <jason@redhat.com>
3542 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3545 * gimplify.c (voidify_wrapper_expr): Handle null type.
3547 2006-09-01 Josh Conner <jconner@apple.com>
3550 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3551 (execute_return_slot_opt): Use it.
3553 2006-08-31 Josh Conner <jconner@apple.com>
3556 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3557 returning aggregates.
3559 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3561 PR tree-optimization/28839
3562 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3563 blocks in that phi arguments appear.
3565 2006-08-31 Roger Sayle <roger@eyesopen.com>
3568 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3569 NULL, otherwise use an advance_loc4 to adjust relative to the
3571 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3572 (dwarf2out_switch_text_section): Reset the current label to avoid
3573 using advance_loc4 over section boundaries.
3575 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3578 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3579 r12 + SYMBOLIC_CONST.
3581 2006-08-30 Richard Guenther <rguenther@suse.de>
3583 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3585 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3587 PR rtl-optimization/27735
3588 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3589 Add new argument to keep track of whether an irreducible region
3590 was affected. All callers changed.
3591 (fix_irreducible_loops): Removed.
3592 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3593 flags were invalidated.
3595 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3597 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3598 instead of SF operands.
3599 (*fop_df_comm_sse): Likewise.
3600 (*fop_df_comm_i387): Likewise.
3601 (*fop_df_1_mixed): Likewise.
3602 (*fop_df_1_sse): Likewise.
3604 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3605 J"orn Rennecke <joern.rennecke@st.com>
3607 PR tree-optimization/17506
3608 * tree-ssa.c (warn_uninit): If warning about a location outside of
3609 the current function, note where the variable was declared.
3611 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3613 PR tree-optimization/28411
3614 * double-int.c (double_int_div): Use double_int_divmod.
3615 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3616 double_int_mod, double_int_smod, double_int_umod): New functions.
3617 * double-int.h (double_int_divmod, double_int_sdivmod,
3618 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3620 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3622 (get_computation_aff, get_computation_cost_at): Handle double_int
3623 return type of constant_multiple_of.
3625 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3628 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3629 an implicit conversion.
3631 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3633 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3635 2006-08-27 Roger Sayle <roger@eyesopen.com>
3637 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3640 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3642 * config/i386/crtfastmath.c: Fix a comment typo.
3644 2006-08-26 Roger Sayle <roger@eyesopen.com>
3646 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3647 temporary visit flags on CASE_LABEL_EXPRs.
3648 * c-common.c (match_case_to_enum): Add function comment. Avoid
3649 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3650 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3651 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3652 a constant, only warn if that constant value isn't handled.
3654 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3657 * input.h (restore_input_file_stack): Declare.
3658 (INPUT_FILE_STACK_BITS): Define.
3659 * toplev.c (fs_p, input_file_stack_history,
3660 input_file_stack_restored, restore_input_file_stack): New.
3661 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3662 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3663 (pop_srcloc): Don't free old state of stack.
3665 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3668 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3669 (PowerPC Type Attributes): New.
3671 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3673 * config/xtensa/xtensa.c (function_arg_boundary): New.
3674 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3676 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3677 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3679 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3682 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3685 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3687 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3688 (verify_local_live_at_start): Likewise.
3690 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3693 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3694 omp_add_variable): Treat sizes as variable whenever not
3697 2006-08-26 Richard Guenther <rguenther@suse.de>
3700 * fold-const.c (fold_binary): Fold temporary to correct
3701 type before constructing new comparison.
3703 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3706 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3707 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3709 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3712 * c-decl.c (start_function): Don't try to process prototype
3713 information from old declaration that isn't a function.
3715 2006-08-25 Jan Hubicka <jh@suse.cz>
3718 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3720 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3723 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3726 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3728 PR tree-optimization/16876
3729 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3730 exit if PARM doesn't match VALUE.
3732 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3734 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3735 literal_prefix directive.
3736 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3737 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3738 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3740 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3743 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3744 predicate to general_operand. Add 0->y and I->r alternatives.
3746 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3748 * doc/tm.texi: Fix a typo.
3749 * predict.c: Fix comment typos.
3751 2006-08-25 Nick Clifton <nickc@redhat.com>
3753 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3754 assertions of "cpu" and "machine".
3756 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3759 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3760 the access through a base which has an alias set of 0 cannot
3763 2006-08-24 Bill Wendling <wendling@apple.com>
3765 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3767 2006-08-24 Jan Hubicka <jh@suse.cz>
3769 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3771 2006-08-24 Jan Hubicka <jh@suse.cz>
3774 * cgraph.c: Fix comments.
3775 (cgraph_varpool_mark_needed_node): Mark only variables not already
3777 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3778 (cgraph_varpool_assembled_nodes_queue): New static variable.
3779 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3780 (cgraph_varpool_output_debug_info): New function.
3781 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3782 * Makefile.in: Add gt-cgraphunit.h
3784 2006-08-24 Jan Hubicka <jh@suse.cz>
3786 * predict.c (probability_reliable_p): New predicate.
3787 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3788 (predict_loops): Do not predict loop exit with less than 2%
3790 * basic-block.h (edge_probability_reliable_p,
3791 br_prob_note_reliable_p): Declare.
3792 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3793 prediction when static predictor is not reliable.
3794 * rs6000.c (output_cbranch): Likewise.
3796 2006-08-23 Stuart Hastings <stuart@apple.com>
3799 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3800 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3802 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3805 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3806 complex values, nor for generic vector values.
3808 2006-08-22 Richard Guenther <rguenther@suse.de>
3811 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3812 parameter. Convert arguments to arithmetic expression to the
3814 (analyze_scalar_evolution_1): Adjust caller.
3816 2006-08-22 Jan Hubicka <jh@suse.cz>
3818 Patch by Paolo Bonzini
3819 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3822 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3824 PR tree-optimization/28003
3825 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3826 before grouping aliases.
3828 2006-08-22 Roger Sayle <roger@eyesopen.com>
3830 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3831 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3833 2006-08-21 Jason Merrill <jason@redhat.com>
3836 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3837 wrapper. Loop to handle nested wrappers.
3838 (gimplify_bind_expr): Remove temp parameter.
3839 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3840 and STATEMENT_LIST on the rhs.
3841 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3842 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3843 (gimplify_target_expr): Remove special BIND_EXPR handling.
3845 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3847 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3850 2006-08-21 Olivier Hainque <hainque@adacore.com>
3852 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3853 Arrange for the temporary captures of components overlapping the lhs
3854 to happen before the lhs is possibly cleared.
3856 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3858 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3859 necessary places to pass the correct "number of registers" values
3862 2006-08-20 Jan Hubicka <jh@suse.cz>
3864 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3865 (create_name_tags): Instead of quadratic checking use hashtable.
3866 * bitmap.h: Include hashtab.h.
3867 (bitmap_hash): Declare.
3868 * bitmap.c (bitmap_hash): New function.
3870 2006-08-20 Jan Hubicka <jh@suse.cz>
3872 PR rtl-optimization/28071
3873 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3875 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3876 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3877 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3878 cgraph_decide_inlining_incrementally): Update use of
3879 cgraph_check_inline_limits.
3880 * cgraph.c (edge_hash, edge_eq): New function.
3881 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3882 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3883 cgraph_remove_node): Maintain call site hash.
3884 * cgraph.h (struct cgraph_node): Add call_site_hash.
3885 (cgraph_set_call_stmt): New function.
3887 2006-08-20 Jan Hubicka <jh@suse.cz>
3889 PR rtl-optimization/28071
3890 * reload1.c (reg_has_output_reload): Turn into regset.
3891 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3892 choose_reload_regs, emit_reload_insns): Update to new
3893 reg_has_output_reload.
3895 2006-08-20 Jan Hubicka <jh@suse.cz>
3898 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3899 function body sizes.
3900 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3902 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3905 * tree.c (handle_dll_attribute): Return early if not a
3906 var or function decl.
3908 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3911 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3912 alignment of SPE vector types.
3914 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3916 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3918 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3921 * cgraph.h (struct cgraph_node): Remove externally_visible
3923 * cgraphunit.c (process_function_and_variable_attributes): Set
3924 local.externally_visible rather than externally_visible.
3927 * c-common.c (handle_externally_visible_attribute): First look
3928 at TREE_CODE and only if it is function or var decl, check for
3929 non-public objects. Don't warn for DECL_EXTERNAL.
3930 * cgraphunit.c (process_function_and_variable_attributes): Warn
3931 if externally_visible attribute is used on non-public object.
3933 2006-08-17 Jan Hubicka <jh@suse.cz>
3935 PR tree-optimization/27865
3936 * reload1.c (forget_marked_reloads): New function.
3937 (forget_old_reloads_1): When data are passed, just mark the registers
3939 (reload_as_needed): Use the new mechanizm.
3941 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3944 * reload.h (reg_equiv_alt_mem_list): New declaration.
3945 * reload1.c (reg_equiv_alt_mem_list): New definition.
3946 (reload): Initialize it and release it.
3947 (delete_output_reload): Use it.
3948 * reload.c (push_reg_equiv_alt_mem): New function.
3949 (find_reloads_toplev): Call it.
3950 (find_reloads_address, find_reloads_address_1): Likewise.
3951 (find_reloads_subreg_address): Likewise.
3953 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3955 PR rtl-optimization/28489
3956 * sched-ebb.c (begin_schedule_ready): Create basic block
3958 (advance_target_bb): Skip empty blocks.
3959 * haifa-sched.c (bb_note): Make global.
3960 * sched-int.h (bb_note): Add prototype.
3962 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3964 PR tree-optimization/27865
3965 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3967 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3968 fold_used_pointer, pointer_used_p): New functions.
3969 (analyze_scalar_evolution_1): Use fold_used_pointer.
3970 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3971 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3974 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3977 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3978 or the INTEGER_CST. Fail on a CALL_EXPR.
3979 (fold_offsetof): Pass new argument to fold_offsetof_1.
3980 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3981 operand into an INDIRECT_REF.
3982 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3984 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3986 PR gcov/profile/26570
3987 * value-prof.c (static_values): Removed.
3988 (tree_find_values_to_profile): Do not set static_values.
3989 (find_values_to_profile): Do not free static_values.
3990 * profile.c (instrument_values): Do not free the values.
3991 (branch_prob): Free the values.
3993 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3995 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3997 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4000 * c-typeck.c (build_component_ref): Combine qualifiers of
4001 structure or union and field.
4003 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4005 PR rtl-optimization/28071
4006 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4007 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4008 * tree-into-ssa.c (struct dom_dfsnum): New.
4009 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4011 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4012 compute_global_livein.
4013 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4014 in phi nodes in the correct blocks.
4016 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4018 PR tree-optimization/28364
4019 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4021 (fold_affine_expr): New function.
4022 (may_eliminate_iv): Use fold_affine_expr.
4024 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4027 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4030 2006-08-16 Mike Stump <mrs@apple.com>
4032 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4033 * doc/cppopts.texi (-MD): Likewise.
4035 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4038 * c-common.c (handle_weak_attribute): Ignore and warn if
4039 not a FUNCTION_ or VAR_DECL.
4041 2006-07-15 Mike Stump <mrs@apple.com>
4044 * c-parser.c (c_parser_typeof_specifier): Don't use
4045 c_finish_expr_stmt, open code desired semantics instead.
4047 2006-08-15 Nick Clifton <nickc@redhat.com>
4049 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4050 fragment to tmake_file only if threads are enabled.
4051 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4052 * config/i386/t-gthr-win32: New file. ... here.
4054 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4057 * c-parser.c (c_parser_compound_statement_nostart): Reset
4058 parser->error after each statement.
4060 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4063 * omp-low.c (lower_omp_parallel): Convert t to
4064 receiver_decl's type.
4065 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4066 source before comparison.
4069 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4070 to itype in assignment to oldival2.
4072 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4076 * c-typeck.c (build_compound_expr): If the second expression
4077 is an error mark, then just return an error mark instead of
4078 creating a COMPOUND_EXPR.
4080 2006-07-14 Mike Stump <mrs@apple.com>
4082 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4084 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4086 * c-decl.c, var-tracking.c: Fix comment typos.
4088 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4090 PR rtl-optimization/28634
4091 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4092 for floating-point modes unless flag_unsafe_math_optimizations.
4094 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4095 Andrew Pinski <pinskia@physics.uc.edu>
4098 * tree.c (build_array_type): Unify array types with
4099 unspecified index_type.
4100 * c-decl.c (grokdeclarator): Make sure we do not modify a
4101 unified incomplete array type.
4102 * c-typeck.c (store_init_value): Create distinct type before
4103 filling in the index type in an initializer from a compound
4106 * c-decl.c (grokdeclarator): Remove code where we copy the
4109 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4111 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4112 into account for TODO_dump_cgraph.
4113 (TODO_update_ssa_no_phi): Likewise.
4114 (TODO_update_ssa_full_phi): Likewise.
4115 (TODO_update_ssa_only_virtuals): Likewise.
4116 (TODO_remove_unused_locals): Likewise.
4117 (TODO_set_props): Likewise.
4118 (TODO_update_stmt_usage): Likewise.
4120 2006-08-13 Dirk Mueller <dmueller@suse.de>
4122 * c-common.c (strict_aliasing_warning): Fix formatting.
4124 2006-08-13 Matthias Klose <doko@debian.org>
4126 * doc/invoke.texi: Fix spelling errors.
4128 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4130 PR rtl-optimization/23454
4131 * reorg.c (relax_delay_slots): Update comment.
4133 2006-08-11 Richard Guenther <rguenther@suse.de>
4136 * simplify-rtx.c (simplify_const_relational_operation):
4137 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4140 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4142 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4143 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4145 2006-08-10 Paul Brook <paul@codesourcery.com>
4147 * final.c (final_scan_insn): Clear current_insn_predicate before
4148 outputting inline asm.
4150 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4152 PR tree-optimization/26197
4153 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4154 get_ref_base_and_extent and overlap_subvar to add only relevant
4155 subvars as may-aliases.
4156 (add_may_alias_for_new_tag): New function, factored out of
4158 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4159 with additional argument.
4160 * tree-flow.h (new_type_alias): Takes additional argument.
4162 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4164 * gcov.c (no_data_file): New flag.
4165 (read_count_file): Set it if data file not present. Assume counts
4167 (output_lines): Don't name the data file, if there wasn't one.
4169 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4171 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4172 (rs6000_generate_compare): Tweak comments.
4173 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4175 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4177 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4178 (var_debug_decl): New function.
4179 (var_reg_set): Follow debug decl link. Add location even if
4180 reg is already known to hold some other variable.
4181 (var_mem_set): Follow debug decl link.
4182 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4183 decl link. Delete other known locations of the variable part
4185 (var_reg_delete, var_mem_delete): Delete other known locations
4186 of the variable part if requested.
4187 (same_variable_part_p): New function.
4188 (add_stores): Select MO_COPY when appropriate.
4189 (vt_initialize): Handle it.
4190 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4191 known locations for MO_SET and MO_CLOBBER.
4192 (find_variable_location_part): New function.
4193 (set_variable_part, delete_variable_part): Use it.
4194 (clobber_variable_part): New function.
4195 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4198 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4200 PR tree-optimization/26969
4201 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4202 with an empty list of PHIs.
4204 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4208 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4211 2006-08-06 Andreas Schwab <schwab@suse.de>
4213 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4214 string. Whitespace and comment fixup.
4216 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4219 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4223 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4226 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4228 2006-08-04 Jan Hubicka <jh@suse.cz>
4232 * reload.c (push_reload): Patch out the mismatching instruction;
4234 (find_reload): Bail out if the instruction was patched out.
4236 2006-08-04 Jan Hubicka <jh@suse.cz>
4238 PR tree-optimization/24888
4239 * tree-inline.c (expand_call_inline): Do not re-record variables.
4240 (declare_inline_vars): Add variable to unexpanded_var_list.
4242 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4243 Roger Sayle <roger@eyesopen.com>
4245 PR rtl-optimization/26244
4246 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4247 inner_const are negative or greater than or equal to the bitsize of
4248 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4249 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4250 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4251 CONST0_RTX (mode) when the new shift count is greater than or equal to
4252 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4255 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4257 * tree-cfg.c: Fix a comment typo.
4259 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4262 * varasm.c (output_constant): Give the front end another chance to
4263 expand constants, after stripping NOPs.
4265 2006-08-03 Jan Hubicka <jh@suse.cz>
4267 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4270 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4272 PR tree-optimization/27770
4273 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4274 declaration removed (moved to tree-flow.h).
4275 (vect_can_force_dr_alignment_p): Likewise.
4276 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4277 (moved from tree-vectorizer.h).
4278 (vect_can_force_dr_alignment_p): Likewise.
4279 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4280 from outside the vectorizer - in particular from cgraph stage.
4281 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4282 the alignment of global arrays when -fsection-anchors is enabled.
4283 * cgraphunit.c (cgraph_increase_alignment): New function.
4284 (cgraph_optimize): Call cgraph_increase_alignment.
4286 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4289 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4290 not reload a SPE symbol_ref into a lo_sum address.
4292 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4295 * dwarf2out.c (prune_unused_types_prune): Move call to
4296 prune_unused_types_update_strings to cover the parent DIE also.
4298 2006-08-02 Jan Hubicka <jh@suse.cz>
4300 PR gcov/profile/28480
4301 * tree-cfg.c (change_bb_for_stmt): New function.
4302 (tree_merge_blocks, tree_split_blocks): Use it.
4304 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4310 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4311 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4312 (cgraph_optimize): Likewise.
4314 2006-08-01 Stuart Hastings <stuart@apple.com>
4316 * rtl.h (UINTVAL) New.
4317 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4318 * testsuite/gcc.dg/20060801-1.c: New.
4320 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4323 * c-typeck.c (build_external_type): Mark used enum types.
4324 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4326 (gen_subprogram_die): Whitespace fix.
4328 2006-08-01 Jan Hubicka <jh@suse.cz>
4330 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4331 bitmap when not needed.
4332 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4335 2006-08-01 Dirk Mueller <dmueller@suse.de>
4337 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4339 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4341 * Makefile.in: Revert part of previous patch:
4342 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4345 2006-07-30 Eric Christopher <echristo@apple.com>
4348 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4349 (PowerPC Variable Attributes): New section.
4351 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4353 PR target/28126 (partial fix)
4354 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4356 2006-07-28 Jan Hubicka <jh@suse.cz>
4358 PR rtl-optimization/28071
4359 * cfgrtl.c (rtl_delete_block): Free regsets.
4360 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4362 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4364 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4365 and variables used in dependencies.
4367 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4369 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4370 %fs for -mcmodel=kernel.
4371 (stack_tls_protect_test_di): Likewise.
4373 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4375 * Makefile.in: Use mkinstalldirs.
4377 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4380 * opts-common.c (prune_options): Skip joined switches.
4382 2006-07-27 Jan Hubicka <jh@suse.cz>
4384 PR rtl-optimization/28071
4385 * cselib.c (cselib_process_insn): Don't remove useless values too
4386 often for very large hashtables.
4388 2006-07-27 Jan Hubicka <jh@suse.cz>
4390 PR rtl-optimization/28071
4391 * global.c (greg_obstack): New obstack.
4392 (allocate_bb_info): Use it.
4393 (free_bb_info): Likewise.
4394 (modify_reg_pav): Likewise.
4396 2006-07-27 Roger Sayle <roger@eyesopen.com>
4398 * builtins.c (fold_fixed_mathfn): When long and long long are the
4399 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4400 functions to their lceil*, lfloor*, lround* and lrint* forms.
4402 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4405 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4407 (rev_branch_insn): Likewise.
4409 2006-07-27 Jan Hubicka <jh@suse.cz>
4411 PR rtl-optimization/28071
4412 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4413 (reg_set_in_bb, max_reg_computed): New static variables.
4414 (regmove_optimize): Free the new array.
4415 (fixup_match_1): Update call of reg_is_remote_constant_p.
4417 2006-07-26 Jan Hubicka <jh@suse.cz>
4419 PR tree-optimization/27882
4420 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4422 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4424 (cgraph_analyze_compilation_unit): Likewise.
4425 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4426 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4427 (cgraph_early_inlinine): Make order garbage collected.
4428 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4430 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4432 * dbxout.c (output_types_sort): Add a comment.
4433 (output_used_types): Free the VEC.
4435 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4437 * function.c (reorder_fix_fragments): Delete.
4438 (reorder_blocks): Don't call it.
4439 (reorder_blocks_1): Put all subblocks under the origin block.
4441 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4443 PR rtl-optimization/27907
4444 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4447 2006-07-25 Roger Sayle <roger@eyesopen.com>
4450 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4451 bar(x) check that bar's result type can represent all the values of T.
4453 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4455 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4457 2006-07-25 Nick Clifton <nickc@redhat.com>
4459 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4460 size_lookup[] array.
4461 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4462 (ggc_pch_count_object): Likewise.
4463 (ggc_pch_alloc_object): Likewise.
4464 (ggc_pch_write_object): Likewise.
4465 (init_ggc): Do not attempt to initialize entries in the
4466 size_lookup[] array for objects whose size is greater than than
4467 the length of the array.
4469 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4471 * dbxout.c (output_used_types_helper): Push queued types
4473 (output_types_sort): New.
4474 (output_used_types): Collect used types on a VEC and sort them
4477 2006-07-24 Richard Guenther <rguenther@suse.de>
4480 * cgraph.c (cgraph_remove_node): Do not check if dumps
4482 * cgraphunit.c (cgraph_optimize): Likewise.
4484 2006-07-24 Jan Hubicka <jh@suse.cz>
4486 PR rtl-optimization/28071
4487 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4488 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4489 splitting before first stmt.
4491 2006-07-24 Jan Hubicka <jh@suse.cz>
4493 PR rtl-optimization/28071
4494 * ipa-inline.c (update_caller_keys): Remove edges that
4495 are no longer inline candidates.
4497 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4500 * dbxout.c (output_used_types_helper, output_used_types): New.
4501 (dbxout_symbol): Call output_used_types.
4503 2006-07-23 Jan Hubicka <jh@suse.cz>
4507 * cgraph.c (cgraph_varpool_nodes): Export.
4508 (decide_is_variable_needed): Ignored "used" attribute in
4509 unit-at-a-time mode.
4510 * cgraph.h (cgraph_varpool_nodes): Declare.
4511 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4512 unit-at-a-time mode.
4514 2006-07-23 Roger Sayle <roger@eyesopen.com>
4517 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4518 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4519 the __gthrw form of thr_keycreate.
4520 (__gthread_key_delete): Silence the unused argument warning.
4522 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4525 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4526 Cache the last found '\0' marker to avoid quadratic behavior.
4528 2006-07-23 Jan Hubicka <jh@suse.cz>
4530 * i386.md (subsi_3_zext): Fix output template.
4532 2006-07-21 Mike Stump <mrs@apple.com>
4534 * doc/invoke.texi (C++ Dialect Options): Note that
4535 -fvisibility-inlines-hidden doesn't affect explicitly
4536 instantiationed inline methods.
4538 2006-07-20 Roger Sayle <roger@eyesopen.com>
4540 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4541 if the target assembler is GNU binutils' gas.
4542 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4543 whether to pass GNU gas or native as command line options.
4545 2006-07-20 Jason Merrill <jason@redhat.com>
4547 * tree.c (remove_attribute): New fn.
4548 * tree.h: Declare it.
4550 2006-07-20 Paul Brook <paul@codesourcery.com>
4553 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4554 they are invalidated by this instruction.
4556 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4559 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4561 2006-07-20 Eric Christopher <echristo@apple.com>
4564 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4566 2006-07-19 Eric Christopher <echristo@apple.com>
4568 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4569 Rewrite dependencies for libgcc_s.1.dylib.
4571 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4573 * except.c (duplicate_eh_regions_1): Clear next_peer.
4575 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4577 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4578 -mlongcall does not guarantee all calls will be long.
4579 * doc/extend.texi (long_call/short_call): Document that longcall
4580 does not guarantee a long call will be used.
4581 (longcall/shortcall): Likewise.
4583 2006-07-18 Roger Sayle <roger@eyesopen.com>
4586 * expmed.c (expand_shift): Additionally check that the shift_cost
4587 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4588 before implementing a LSHIFT_EXPR as a sequence of additions.
4589 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4590 middle-end that DImode shifts need to be synthesized by expand.
4592 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4595 * tree-ssa-operands.c (access_can_touch_variable): Update
4597 Return true if ALIAS is .GLOBAL_VAR.
4599 2006-07-18 David Daney <ddaney@avtrex.com>
4601 * gcc.c (display_help): Fix typo in help text.
4603 2006-07-18 Olivier Hainque <hainque@adacore.com>
4605 * tree.h (categorize_ctor_elements): Adjust prototype and add
4606 descriptive comment, both in accordance with the interface change
4608 * varasm.c (constructor_static_from_elts_p): New function.
4609 Whether a constructor node is a valid static constant initializer
4610 if all its elements are.
4611 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4612 * output.h: Declare it.
4613 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4614 is a valid constant initializer instead of computing the number of
4615 non-constant elements. Use constructor_static_from_elts_p for this
4616 purpose. Replace the head comment with an indication that this is a
4617 helper for categorize_ctor_elements.
4618 (categorize_ctor_elements): Same interface change as for the _1
4619 helper. Former head comment from this helper moved here, adjusted to
4620 account for the interface changes.
4621 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4622 (all_zeros_p): Likewise.
4623 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4624 static versions of the constructor from the categorize_ctor_elements
4625 return value instead of the formerly computed number of non-constant
4628 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4630 * configure: Regenerate.
4631 * Makefile.in (build_libsubdir): New configure substitution
4632 (build_libobjdir): New variable.
4633 (BUILD_LIBIBERTY): Use it.
4635 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4638 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4640 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4643 * c-common.c (handle_weakref_attribute): Ignore attribute in
4644 the same conditions the alias attribute is ignored.
4646 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4648 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4649 (dbxout_begin_prologue): Increment scope_labelno.
4651 2006-07-17 Richard Henderson <rth@redhat.com>
4654 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4657 2006-07-17 Roger Sayle <roger@eyesopen.com>
4658 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4660 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4661 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4662 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4663 functions such as sbrk, write, etc.. Add function prototypes.
4664 Convert function declarations from K&R to ISO C. Cast pointers
4665 to "long" and "unsigned long" instead of "int" and "unsigned int".
4666 Convert tokens following #endif into comments.
4668 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4670 * invoke.texi: Remove mention of f77; Reformat table for
4671 inline parameter options correctly; mention that -malign-double
4672 is default on x86-64 targets.
4674 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4676 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4677 (convert_affine_scev, chrec_convert_aggressive): Use
4678 avoid_arithmetics_in_type_p. Do not check for the subtypes
4681 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4684 * optabs.c (expand_doubleword_shift): Wrap the call to
4685 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4687 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4690 * optabs.c (expand_binop): Pass next_methods rather than methods
4691 to expand_doubleword_shift.
4693 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4696 * tree.h (dump_addr): Declare.
4697 * print-tree.c (dump_addr): New function.
4698 (print_node_brief, print_node): Use it.
4699 * print-rtl.c (print_rtx): Likewise.
4700 * common.opt (-fdump-noaddr): New option.
4701 * doc/invoke.texi (-fdump-noaddr): Document.
4702 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4703 (ve_info_hash): Likewise.
4705 2006-07-13 Andrew Haley <aph@redhat.com>
4707 PR tree-optimization/19505
4708 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4709 edge leaving this block, make sure that the destination of this
4710 block has only one predecessor.
4712 2006-07-17 Richard Guenther <rguenther@suse.de>
4714 PR tree-optimization/28238
4715 * tree-inline.c (copy_bb): Check if we produced valid
4716 gimple copying and substituting a stmt. If not, gimplify
4719 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4721 * optabs.c (maybe_encapsulate_block): New function extracted from...
4722 (emit_libcall_block): ...here. Invoke it on the block of insns to
4723 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4724 (emit_no_conflict_block): Likewise.
4726 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4728 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4730 2006-07-15 Roger Sayle <roger@eyesopen.com>
4732 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4733 a new NOP_EXPR case of the switch statement.
4735 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4738 * stor-layout.c (place_field): Take the bit field with
4739 an excessive size into account in the ms-bitfiled case.
4742 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4743 the previous bit field.
4745 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4748 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4750 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4752 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4753 signal frames correctly even when the signal was installed with
4756 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4758 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4759 (dbxout_function_end): Use local label LFBB. Remove hook
4761 (dbxout_source_line): Use local label LFBB.
4762 (dbxout_block): Likewise.
4763 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4764 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4765 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4766 and DBX_OUTPUT_NFUN.
4768 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4770 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4772 2006-07-13 Jan Hubicka <jh@suse.cz>
4774 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4776 * output.h (align_variable): Declare.
4777 * varasm.c (align_variable): Export.
4778 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4779 when basic block changed.
4781 2006-07-13 Nick Clifton <nickc@redhat.com>
4783 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4784 walking the LOG_LINKS chain.
4786 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4788 * doc/invoke.texi (C++ Dialect Options): Explain difference
4789 between -fvisibility-inlines-hidden and setting hidden
4790 visibility explicitly.
4792 2006-07-12 Eric Christopher <echristo@apple.com>
4794 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4795 (stmp-lipo): Depend on libgcc.a.
4797 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4799 * tree.c: Fix a comment typo.
4801 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4803 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4805 (umulhisi3_r): Likewise.
4807 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4810 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4811 x < 19, vs wchar_t support.
4813 2006-07-12 Nick Clifton <nickc@redhat.com>
4815 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4816 instead of -isa=sh4.
4818 2006-07-12 Mike Stump <mrs@apple.com>
4820 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4822 2006-07-10 Eric Christopher <echristo@apple.com>
4824 * config/t-slibgcc-darwin: Rewrite.
4826 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4829 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4832 2006-07-08 Matthias Klose <doko@debian.org>
4834 * doc/sourcebuild.texi: Fix typo.
4836 2006-07-07 Mike Stump <mrs@apple.com>
4838 * toplev.c (process_options): Don't give -ffunction-sections may
4839 affect debugging warning for Mach-O.
4841 2006-07-07 James E Wilson <wilson@specifix.com>
4843 * config/mips/mips.md (cpu): Add sb1a.
4844 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4845 addition to sb1. Adjust comments to clarify SB-1A differences from
4847 (ir_sb1a_load): New. Modify bypasses to use it.
4848 (ir_sb1a_simple_alu): Likewise.
4849 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4850 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4851 (mips_issue_rate): Add PROCESSOR_SB1A.
4852 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4853 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4854 (TARGET_SB1): Add PROCESSOR_SB1A check.
4855 (TUNE_SB1): Likewise.
4857 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4858 * config/mips/mips.c (mips_store_data_bypass_p): New.
4859 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4860 store_data_bypass_p.
4862 2006-07-08 Paul Brook <paul@codesourcery.com>
4865 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4867 2006-07-07 Richard Guenther <rguenther@suse.de>
4870 * tree.h (build_one_cst): Declare.
4871 * tree.c (build_one_cst): New function.
4872 * tree-ssa-math-opts.c (get_constant_one): Remove.
4873 (insert_reciprocals): Use build_one_cst.
4874 * fold-const.c (fold_plusminus_mult): Likewise.
4876 2006-07-07 Roger Sayle <roger@eyesopen.com>
4878 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4879 * cfgloopanal.c (dump_graph): Likewise.
4880 * dojump.c (discard_pending_stack_adjust): Likewise.
4881 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4883 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4884 * function.c (finalize_block_changes): Likewise.
4885 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4886 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4887 * rtl.c (dump_rtx_statistics): Likewise.
4888 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4890 * varray.c (dump_varray_statistics): Likewise.
4891 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4892 decode_decimal64, encode_decimal128, decode_decimal128,
4893 decimal_real_to_decimal): Likewise.
4895 2006-07-07 Richard Guenther <rguenther@suse.de>
4897 PR tree-optimization/28187
4898 * tree-vrp.c (vrp_operand_equal_p): New function.
4899 (vrp_bitmap_equal_p): Likewise.
4900 (update_value_range): Use them to compare old and new
4903 2006-07-06 Roger Sayle <roger@eyesopen.com>
4905 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4906 a default case to switch statement to silence compiler warnings.
4908 2006-07-06 Roger Sayle <roger@eyesopen.com>
4911 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4912 the configured assembler supports the x87's ffreep mnemonic.
4913 * configure: Regenerate.
4914 * config.in: Regenerate.
4916 * config/i386/i386.c (output_387_ffreep): New function.
4917 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4918 (output_387_reg_move): Likewise.
4920 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4922 Port to hosts whose 'sort' and 'tail' implementations
4923 treat operands with leading '+' as file names, as POSIX
4924 has required since 2001. However, make sure the code still
4925 works on pre-POSIX hosts.
4926 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4927 which says you should use "tail -c +N" rather than "tail +Nc".
4928 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4930 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4932 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4935 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4938 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4939 PRE_{INC,DEC} of TFmode.
4941 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4942 Alan Modra <amodra@bigpond.net.au>
4945 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4948 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4951 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4952 Remove duplicate gtu.
4954 2006-07-05 Jason Merrill <jason@redhat.com>
4958 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4959 * c-common.c (handle_packed_attribute): So don't copy it here.
4960 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4962 2006-07-05 Mike Stump <mrs@apple.com>
4964 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4966 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4969 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4971 2006-07-05 Richard Guenther <rguenther@suse.de>
4974 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4975 TARGET_SSE2 targets if using SSE math.
4976 (*absdf2_1): Likewise.
4978 2006-07-05 Richard Guenther <rguenther@suse.de>
4980 PR tree-optimization/28162
4981 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4982 make sure to convert the operands to the correct type.
4984 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4986 PR tree-optimization/28218
4988 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4989 to calculate and free the dominator information.
4991 2006-07-04 Peter O'Gorman <peter@pogma.com>
4993 * mklibgcc.in: chmod 644 before ranlib during install.
4995 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4996 J"orn Rennecke <joern.rennecke@st.com>
4998 * configure.ac (.eh_frame data check): Use diff -b.
5000 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5003 * Makefile.in (BUILD_RTL): Add build/vec.o.
5004 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5005 (build/genextract): Delete.
5006 (build/genautomata): Likewise.
5008 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5011 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5012 128-bit IBM long doubles for ABI_V4.
5014 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5016 * tree.c (range_in_array_bounds_p): New predicate.
5017 * tree.h (range_in_array_bounds_p): Declare it.
5018 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5019 return a less conservative answer.
5020 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5021 and flag 'is_group'.
5022 (IS_ELEMENT_FOR_GROUP): New macro.
5023 (FOR_EACH_ACTUAL_CHILD): Likewise.
5024 (next_child_for_group): New helper function.
5025 (can_completely_scalarize_p): Take into account groups.
5026 (sra_hash_tree): Handle RANGE_EXPR.
5027 (sra_elt_eq): Likewise.
5028 (lookup_element): Be prepared for handling groups.
5029 (is_valid_const_index): Delete.
5030 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5031 instead of is_valid_const_index.
5032 <ARRAY_RANGE_REF>: New case.
5033 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5034 is_valid_const_index.
5035 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5036 (scan_dump): Dump info for groups too.
5037 (decide_instantiation_1): Likewise.
5038 (decide_block_copy): Assert that the element is not a group.
5039 Propagate decision to groups.
5040 (generate_one_element_ref): Handle RANGE_EXPR.
5041 (mark_no_warning): Iterate over actual childs.
5042 (generate_copy_inout): Likewise.
5043 (generate_element_copy): Likewise.
5044 (generate_element_zero): Likewise.
5045 (generate_element_init_1): Likewise.
5046 (dump_sra_elt_name): Handle RANGE_EXPR.
5048 2006-07-03 Roger Sayle <roger@eyesopen.com>
5050 PR tree-optimization/26251
5051 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5052 (thread_block): When optimizing for size refuse to thread jumps
5053 that would require duplication of blocks other than redirection
5056 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5058 * configure.ac: Fix thinko in previous check-in.
5059 * configure: Regenerate.
5061 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5064 * configure.ac (for lang...): Simplify nesting of conditionals.
5065 Test subdir_requires for non-enabled languages. Move processing
5066 of lang_opt_files and lang_tree_fiels below that test.
5067 * configure: Regenerate.
5068 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5070 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5072 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5074 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5076 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5079 2006-06-29 Jason Merrill <jason@redhat.com>
5086 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5087 * c-common.c (c_determine_visibility): Handle it here.
5088 * c-decl.c (finish_decl): Call c_determine_visibility for
5090 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5092 * varasm.c (default_assemble_visibility): Likewise.
5093 * c-common.c (handle_visibility_attribute): Complain about trying
5094 to give visibility to an already defined class, or trying to change
5095 declared visibility. Always attach the attribute.
5100 * attribs.c (decl_attributes): Ignore type-in-place attributes
5101 once the type has been defined.
5103 2006-06-29 Roger Sayle <roger@eyesopen.com>
5106 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5107 to indicate the cpplib has issued an error message for us.
5109 2006-06-29 Asher Langton <langton2@llnl.gov>
5112 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5113 insert a label at the end of an function under Mach-O.
5115 2006-06-29 Eric Christopher <echristo@apple.com>
5116 Evan Cheng <evan.cheng@apple.com>
5118 * predicates.md (vector_all_ones_operand): New.
5119 (nonimmediate_or_sse_const_operand): Ditto.
5120 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5121 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5122 (standard_sse_mode_p): Ditto.
5123 (standard_sse_constant_p): Add case for -1 vector.
5124 (ix86_expand_vector_move): Try to use.
5125 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5126 Call standard_sse_constant_opcode.
5127 (*movv4sf_internal): Ditto.
5128 (*movv2df_internal): Ditto.
5130 2006-06-29 Roger Sayle <roger@eyesopen.com>
5132 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5133 of XEXP to extract the operands of a MATCH_CODE rtx.
5135 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5137 * tree.c (tree_size): Do not waste tail padding in
5138 struct tree_string and make the size be the same as
5139 build_string will generate.
5141 2006-06-28 Jason Merrill <jason@redhat.com>
5144 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5145 may_aliases already in the tag's annotations to the bitmap.
5147 2006-06-28 Roger Sayle <roger@eyesopen.com>
5149 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5151 2006-06-28 Roger Sayle <roger@eyesopen.com>
5153 * genpreds.c (generate_switch_p): New function.
5154 (add_mode_tests): Push the new mode test down inside an AND expr
5155 if this allows the switch-suitable MATCH_CODE to be near the root.
5156 (write_match_code_switch): New function to write a MATCH_CODE as
5158 (write_predicate_stmts): New function to write a predicate RTX
5159 expression as a sequence of statements.
5160 (write_one_predicate_function): Use write_predicate_stmts.
5161 (write_tm_constrs_h): Likewise.
5163 2006-06-26 Fred Fish <fnf@specifix.com>
5165 * config/mips/t-sb1: New file.
5166 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5169 2006-06-26 DJ Delorie <dj@redhat.com>
5171 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5173 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5174 Jayant Sonar <jayants@kpitcummins.com>
5175 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5177 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5178 (subsi3, subsi3_1, subsi3_2): New.
5179 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5180 * config/m32c/mov.md (SI mov peephole): New.
5181 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5182 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5184 2006-06-26 Olivier Hainque <hainque@adacore.com>
5186 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5187 a CALL_EXPR target function declaration.
5189 2006-06-26 Richard Guenther <rguenther@suse.de>
5191 * tree.c (build_string): Do not waste tail padding in
5194 2006-06-26 Richard Guenther <rguenther@suse.de>
5196 * ggc-page.c (init_ggc): Add missing element to size_lookup
5200 2006-06-23 Richard Guenther <rguenther@suse.de>
5202 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5203 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5204 alignment requests instead. Add verification code.
5205 Add struct tree_function_decl and struct tree_binfo size to
5206 extra_order_size_table. Add missing element to size_lookup
5209 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5212 * fold-const.c (const_binop): Be prepared for self returning zero.
5213 Simplify code handling complex values.
5215 2006-06-24 Olivier Hainque <hainque@adacore.com>
5217 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5218 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5221 2006-06-24 Olivier Hainque <hainque@adacore.com>
5223 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5224 ARRAY_REF, so have the callback called for the low bound expression.
5226 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5228 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5229 * c-typeck.c (c_common_type): Disallow operations on decimal float
5230 types and other float types.
5231 * convert.c (convert_to_real): Don't ignore conversions involving
5232 decimal float types.
5234 2006-06-23 Olivier Hainque <hainque@adacore.com>
5236 * tree.c (max_int_size_in_bytes): New function, inspired from
5237 code in function.c:assign_temp.
5238 * tree.h (max_int_size_in_bytes): Declare.
5239 * function.c (assign_temp): Use it.
5240 * gimplify.c (create_tmp_var): Relax the assertions on the type
5241 properties, not mandating constant size any more.
5242 (force_constant_size): New static function.
5243 (gimple_add_tmp_var): Use it, forcing variable size to a
5244 constant upper bound if it is not constant on entry.
5246 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5249 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5250 for initialization and setting of one_only flag to ...
5251 (i386_pe_encode_section_info): ...here.
5252 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5253 Recheck that the symbol has not been defined.
5255 2006-06-23 Richard Guenther <rguenther@suse.de>
5257 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5258 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5259 alignment requests instead. Add verification code.
5260 Add struct tree_function_decl and struct tree_binfo size to
5261 extra_order_size_table. Add missing element to size_lookup
5264 2006-06-22 Roger Sayle <roger@eyesopen.com>
5265 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5268 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5269 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5271 2006-06-23 Ben Elliston <bje@au.ibm.com>
5273 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5274 negate dn -- manipulate it directly.
5276 2006-06-22 Roger Sayle <roger@eyesopen.com>
5277 Steven Bosscher <stevenb.gcc@gmail.com>
5280 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5281 generated by gen_move_insn to add REG_LABEL notes if necessary.
5283 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5285 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5286 (leaf_entry): Remove use of MIN_ESA.
5288 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5290 PR rtl-optimization/28121
5291 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5294 2006-06-21 DJ Delorie <dj@redhat.com>
5296 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5298 (mulhisi3_r): Likewise.
5300 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5303 * coverage.c (coverage_counter_alloc): Leave the index type
5305 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5308 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5310 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5311 section from the "Options for Code Generation Conventions".
5313 2006-06-21 Richard Henderson <rth@redhat.com>
5317 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5319 (global_symbolic_operand): Allow weak symbols, even if local_p.
5321 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5323 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5324 (find_interesting_uses_address): Punt if above function returns true.
5326 2006-06-21 Richard Guenther <rguenther@suse.de>
5328 * configure: Regenerated.
5330 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5332 * config/mips/mips.c (function_arg): Where one part of a
5333 complex argument is in registers and the other part in the stack,
5334 return a REG not a PARALLEL.
5336 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5338 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5339 when cross-compiling. Do not substitute libstdcxx_incdir.
5340 * configure: Regenerated.
5342 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5344 * varasm.c (mergeable_string_section): Check for embedded NULs and
5345 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5346 rather than TREE_STRING_LENGTH bytes.
5348 2006-06-21 Richard Guenther <rguenther@suse.de>
5350 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5351 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5354 2006-06-21 Richrad Guenther <rguenther@suse.de>
5356 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5357 Limit iteration over the dominators.
5359 2006-06-20 Roger Sayle <roger@eyesopen.com>
5361 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5362 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5364 2006-06-20 Richard Guenther <rguenther@suse.de>
5365 Michael Matz <matz@suse.de>
5367 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5369 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5370 * et-forest.h (et_free_pools): Prototype new function.
5371 * et-forest.c (et_free_tree_force): Free parent occurrence.
5372 (et_free_pools): New function.
5373 * dominance.c (free_dominance_info): Free et-forest alloc
5376 2006-06-20 Roger Sayle <roger@eyesopen.com>
5378 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5379 integer modes, attempt to directly construct an integer constant.
5381 * fold-const.c (native_encode_vector): Determine the size of each
5382 element from the vector type instead of the first vector element.
5384 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5385 if all of its elements/components are constant.
5386 (build_constructor_from_list): Likewise.
5388 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5390 PR tree-optimization/27331
5391 * tree-data-ref.c (free_data_ref): New function.
5392 (create_data_ref): Fail if the data reference has unknown access
5394 (free_data_refs): Use free_data_ref.
5396 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5399 * tree-inline.c (setup_one_parameter): Strip useless
5400 type conversion before adding it to the IR.
5401 (declare_return_variable): Likewise.
5403 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5406 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5408 2006-06-19 Mike Stump <mrs@apple.com>
5410 * tree.c (variably_modified_type_p): VM arguments don't make the
5413 2006-06-19 Richard Guenther <rguenther@suse.de>
5415 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5416 type conversions after folding.
5418 2006-06-19 Richard Guenther <rguenther@suse.de>
5420 * ggc-page.c (extra_order_size_tab): Add entries with
5421 size of struct function and basic_block.
5422 (size_lookup): Extend to cover sizes up to 511.
5423 (ggc_alloc_stat): Adjust user.
5424 (ggc_pch_count_object): Likewise.
5425 (ggc_pch_alloc_object): Likewise.
5426 (ggc_pch_write_object): Likewise.
5428 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5430 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5431 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5434 2006-06-19 Denis Chertykov <denisc@overta.ru>
5436 * config/avr/libgcc.S : Correct my wrong previous commit.
5438 2006-06-19 Roger Sayle <roger@eyesopen.com>
5441 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5442 have stripped a SUBREG from the shift count, so we may need to
5443 convert_to_mode back to the type's mode before calling make_tree.
5444 Use new_amount instead of amount to avoid expanding a tree twice.
5446 2006-06-19 Richard Guenther <rguenther@suse.de>
5449 * fold-const.c (operand_equal_p): Check if the argument types
5450 have the same precision before stripping NOPs.
5452 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5454 Fix PR tree-optimization/27341
5455 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5457 * tree-complex.c (pass_lower_complex): Update SMT usage.
5459 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5461 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5462 Add a new alternative to the constraint strings. Add move of
5463 operand 1 to 3 to the splitter definition.
5464 ("doloop_si_long"): Second contraint alternative removed.
5466 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5468 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5469 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5471 (AVR_HAVE_MOVW) Define.
5472 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5473 (ASM_SPEC): Add avr25.
5474 (LINK_SPEC): Add avr25.
5475 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5476 (base_arch_s): Add new member 'have_movw_lpmx'.
5477 (avr_arch_types): Init 'have_movw_lpmx'.
5478 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5479 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5480 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5481 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5482 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5484 (avr_file_start): Do not output '.arh' derective.
5485 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5486 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5487 * config/avr/avr.md (mcu_enhanced): Delete.
5488 (mcu_have_movw): Define.
5489 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5490 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5491 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5492 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5493 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5494 attiny861 and at86rf401 devices.
5496 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5498 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5501 2006-06-17 Karl Berry <karl@gnu.org>
5503 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5504 doc/gccint.texi, doc/install.texi (@dircategory): Use
5505 "Software development" instead of "Programming", following
5506 the Free Software Directory.
5508 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5510 * config/i386/i386.c (legitimate_tls_address)
5511 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5512 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5513 (*tls_dynamic_gnu2_combine_64): Likewise.
5515 2006-06-16 Richard Guenther <rguenther@suse.de>
5518 * fold-const.c (negate_expr_p): Do not introduce undefined
5519 overflow in negating INTEGER_CSTs.
5520 (fold_negate_expr): Rename from negate_expr. Revert last
5521 change for folding BIT_NOT_EXPR. Change semantics to
5522 return NULL_TREE for non-simplified negations. Do not
5523 strip type conversions and unify type handling.
5524 (negate_expr): New function, wrap around fold_negate_expr
5525 but ensure building a tree always. Strip type conversions
5526 here, fold to result type.
5527 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5529 2006-06-16 Roger Sayle <roger@eyesopen.com>
5532 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5533 that (would) return their results in stack registers.
5535 2006-06-16 Michael Matz <matz@suse.de>
5536 Richard Guenther <rguenther@suse.de>
5538 * fold-const.c (fold_truthop): Only return new tree node if
5539 we canonicalized something.
5541 2006-06-16 Richard Guenther <rguenther@suse.de>
5543 * function.h (enum function_frequency): Move declaration
5544 out of struct function.
5545 (struct function): Move bool fields and the enum to the bitfield
5546 section. Reorder elements to avoid padding. Remove unused
5547 fields left over from the RTL inliner removal.
5548 * function.c (free_after_compilation): Do not zero removed fields.
5549 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5550 (ipa-type-escape.o): Likewise.
5552 2006-06-16 Richard Guenther <rguenther@suse.de>
5554 * cgraph.h (struct cgraph_local_info): Turn bool elements
5556 (struct cgraph_node): Likewise.
5557 (struct cgraph_varpool_node): Likewise.
5559 2006-06-15 Richard Guenther <rguenther@suse.de>
5561 * fold-const.c (fold_truth_not_expr): Rename from
5562 invert_truthvalue. Give it fold_* semantics to avoid
5564 (invert_truthvalue): New function. Wrapper around
5565 fold_truth_not_expr.
5566 (optimize_minmax_comparison): Avoid creating garbage.
5567 (fold_unary): Use fold_truth_not_expr for folding
5569 (fold_ternary): Replace uses of invert_truthvalue with
5570 fold_truth_not_expr where applicable.
5571 * tree.h (fold_truth_not_expr): Prototype.
5573 2006-06-16 Richard Guenther <rguenther@suse.de>
5575 PR tree-optimization/27781
5576 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5577 * ipa-pure-const.c (target.h): Include.
5578 (analyze_function): Do not analyze functions that do not
5581 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5584 * tree-dfa.c (referenced_vars_dup_list): Remove.
5585 (find_referenced_vars): Remove assert.
5586 (referenced_var_check_and_insert): Replace dup list with assert.
5587 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5588 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5590 2006-06-15 Richard Guenther <rguenther@suse.de>
5592 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5593 extra unused identifiers if not dumping.
5594 (create_variable_info_for): Likewise.
5596 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5598 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5599 (derive_constant_upper_bound): Derive more precise upper bound in
5600 common cases. Return type changed to double_int.
5601 (record_estimate): Reflect the changed return type of
5602 derive_constant_upper_bound.
5603 * double-int.c (double_int_zext, double_int_sext): Fix.
5605 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5607 * configure.ac (CFLAGS): Get them from the toplevel or from the
5608 configure invocation.
5609 * configure: Regenerate.
5610 * Makefile.in (CFLAGS): Substitute value provided by configure.
5612 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5615 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5616 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5617 rather than calling add_stmt on it.
5618 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5620 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5623 * reload1.c (reload): Remove registers returned by update_eliminables
5624 from used_spill_regs.
5626 2006-06-13 DJ Delorie <dj@redhat.com>
5628 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5630 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5632 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5633 html__strip_dir, html__mkdir_p. Enhance install-html target.
5634 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5635 * configure: Regenerate.
5637 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5639 * fold-const.c (fold_cond_expr_with_comparison): Check for
5640 Objective-C++ as language in deciding COND_EXPR transformation.
5642 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5645 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5646 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5647 * config/sh/lib1funcs.h (SL, SL1): Define.
5648 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5649 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5650 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5651 (OBJS_Os_4_200): New variable.
5652 ($(T)libgcc-Os-4-200.a): Use it.
5653 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5654 when dividing 1 and/or by 0.
5656 2006-06-13 Roger Sayle <roger@eyesopen.com>
5658 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5659 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5660 * configure: Regenerate.
5662 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5664 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5665 for real instruction.
5667 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5670 * haifa-sched.c (check_cfg): Handle special case.
5672 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5675 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5676 Add debug_info parameter. Chain the vars to the BLOCK instead
5677 of the BIND_EXPR if debug info are requested for them.
5678 (pop_gimplify_context): Adjust for above change.
5679 (gimple_add_tmp_var): Likewise.
5680 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5682 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5683 (convert_local_reference): Likewise.
5684 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5685 (finalize_nesting_tree_1): Request that debug info be emitted
5686 for debug_var_chain.
5688 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5690 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5691 for PR target/27863.
5693 2006-06-13 Richard Guenther <rguenther@suse.de>
5696 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5698 2006-06-13 Richard Guenther <rguenther@suse.de>
5700 PR tree-optimization/27830
5701 * tree-inline.c (copy_body_r): For copying the operand
5702 of an ADDR_EXPR make sure to fold &* afterwards.
5704 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5706 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5707 lvalues in the fb_none case with side-effects.
5709 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5711 * tree-flow.h: Remove the prototype for
5712 compute_phi_arg_on_exit.
5713 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5714 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5717 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5719 * builtins.c (expand_builtin_return_addr): Only use
5720 frame_pointer_rtx when count == 0 and we are expanding
5721 __builtin_return_address.
5723 2006-06-12 Fred Fish <fnf@specifix.com>
5725 * config/mips/mips.c (mips_file_start): Create special section
5726 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5728 2006-06-11 Eric Christopher <echristo@apple.com>
5731 * stor-layout.c (place_field): Remove check for
5732 remaining_in_alignment when aligning at the end of a run.
5734 2006-06-11 Eric Christopher <echristo@apple.com>
5737 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5740 2006-06-11 Roger Sayle <roger@eyesopen.com>
5743 Revert incorrect fix for PR target/27158
5744 2006-05-08 Roger Sayle <roger@eyesopen.com>
5745 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5746 of a reg_equiv_constant if the result is a legitimate constant.
5748 2006-06-11 Roger Sayle <roger@eyesopen.com>
5751 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5752 extract a CONST_VECTOR element and interpret it as an integer.
5753 (vspltis_constant): Use const_vector_elt_as_int instead of the
5754 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5755 * config/rs6000/predicates.md (easy_vector_const): Consider
5756 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5758 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5761 * stor-layout.c (update_alignment_for_field): Don't add extra
5762 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5765 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5767 * config/mips/t-rtems: Add EL/EB multilib variants.
5769 2006-06-09 Mike Stump <mrs@apple.com>
5771 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5773 2006-06-09 David Daney <ddaney@avtrex.com>
5775 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5777 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5779 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5781 2006-06-09 Richard Guenther <rguenther@suse.de>
5783 PR tree-optimization/26998
5784 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5785 of signed types, only TYPE_MIN_VALUE is special, but for both,
5786 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5787 in this case, as is -fwrapv.
5789 2006-06-08 Mike Stump <mrs@apple.com>
5792 * config/darwin.c (darwin_asm_output_anchor): Disable
5793 -fsection-anchors on darwin for now.
5794 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5795 * rs6000/rs6000.c (optimization_options): Likewise.
5797 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5800 * config/i386/i386.c (classify_argument): Skip fields with invalid
5803 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5805 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5806 (cse_insn): Likewise for the stack_pointer_rtx.
5808 2006-06-08 Roger Sayle <roger@eyesopen.com>
5810 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5811 conditions from floating point comparisons.
5813 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5816 * expmed.c (struct alg_hash_entry): Fix type of field T
5817 to match synth_mult argument.
5818 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5820 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5823 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5826 2006-06-08 Richard Guenther <rguenther@suse.de>
5829 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5830 only, if overflow is defined and not trapping.
5831 (negate_expr): Likewise.
5833 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5835 PR tree-optimization/27872
5836 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5837 flag on the new exit edge of the unrolled loop.
5839 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5841 PR rtl-optimization/26449
5842 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5844 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5847 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5848 referenced_variables with matching DECL_UID's.
5849 (find_referenced_vars): Make sure duplicate list is empty to start.
5850 (referenced_var_p): Remove.
5851 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5852 Check if var is in the list, and add if needed. Update the duplicate
5853 list if a different var is in the list with the same DECL_UID.
5854 (add_referenced_var): Call routine to check and insert.
5855 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5856 * tree-flow.h (referenced_vars_dup_list): External declaration.
5858 2006-06-07 Fred Fish <fnf@specifix.com>
5860 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5863 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5866 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5867 the imaginary and real parts of a clobbered register.
5868 Emit insn to set the imaginary part.
5870 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5872 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5873 in lieu of unwind-dw2-fde.c.
5875 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5877 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5879 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5882 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5883 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5884 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5885 V4SImode temporaries and operations instead.
5887 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5889 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5892 2006-06-06 Mike Stump <mrs@apple.com>
5894 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5895 installing during build.
5897 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5899 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5901 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5902 * config/ia64/ia64.c (params.h): New header.
5903 (ia64_optimization_options): New function to adjust parameters.
5904 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5905 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5906 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5908 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5910 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5912 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5915 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5917 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5918 Victor Kaplansky <victork@il.ibm.com>
5920 PR tree-optimization/26360
5921 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5924 2006-06-04 Roger Sayle <roger@eyesopen.com>
5925 Andrew Pinski <pinskia@physics.uc.edu>
5928 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5929 for LABEL_DECL before calling DECL_WEAK.
5932 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5933 LABEL_DECL and PARM_DECL.
5935 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5939 * c-decl.c (grokdeclarator): Disallow variably modified types at
5940 file scope. Avoid marking shared array type of constant size as
5943 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5946 * c-common.c (fold_offsetof_1): Handle static members.
5948 2006-06-04 Eric Christopher <echristo@apple.com>
5950 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5951 (debug_rli): Output value for remaining_in_alignment.
5952 (update_alignment_for_field): Unconditionalize
5953 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5954 extra alignment code.
5955 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5956 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5957 * tree.h (record_layout_info_s): Remove prev_packed.
5958 * doc/extend.texi (ms_struct): Add documentation of format.
5960 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5962 * tree.h: Declare folding_initializer.
5963 * builtins.c (fold_builtin_constant_p): Give definite answer
5964 if folding inside an initializer.
5965 * fold-const.c: Define folding_initializer.
5966 (START_FOLD_INIT): Save and then set folding_initializer.
5967 (END_FOLD_INIT): Restore folding_initializer.
5969 2006-06-04 Richard Guenther <rguenther@suse.de>
5971 PR tree-optimization/27039
5972 * fold-const.c (fold_comparison): Handle pointer comparison
5973 again for all comparison codes. Compare offsets in signed
5975 (fold_binary): Move code from here.
5977 2006-06-03 Roger Sayle <roger@eyesopen.com>
5980 * config/i386/i386.c (construct_container): Split static issued_error
5981 flag into issued_sse_arg_error, issued_sse_ret_error and
5982 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5983 requires the use of x87 registers and the user explicitly
5984 specified the -mno-80387 command line option.
5986 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5988 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5989 HAVE_DECL_SIGALTSTACK.
5991 (segv_handler): Use MC_FLD.
5992 * configure.ac: Check for a sigaltstack declaration.
5993 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5994 * configure: Regenerate.
5995 * config.in: Regenerate.
5997 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6000 * Makefile.in (stmp-fixinc): Fix typo.
6002 2006-06-02 Roger Sayle <roger@eyesopen.com>
6004 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6005 are type correct. Clean-up.
6006 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6007 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6009 2006-06-01 DJ Delorie <dj@redhat.com>
6011 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6012 shift, as we've disabled the "switch" insn that needs it.
6014 2006-06-01 Per Bothner <bothner@bothner.com>
6016 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6017 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6018 * c-ppoutput.c (cb_define): Don't increment line 0.
6020 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6022 * doc/invoke.texi: Add cpu_type power6.
6023 * config.gcc: Add cpu_type power6.
6024 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6025 to power5+ with Altivec.
6026 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6027 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6029 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6031 * config/avr/avr.h (SET_ASM_OP): Define.
6033 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6035 * config/bfin/bfin.c: Fix comment typos.
6037 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6040 * doc/install.texi: Document --enable-bootstrap and
6041 --disable-bootstrap.
6043 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6045 * doc/install.texi: Document that InfoZIP can replace jar.
6047 2006-05-31 Roger Sayle <roger@eyesopen.com>
6049 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6050 isn't available, directly generate the simpler x87 patterns without
6051 the (use (const_int 0)).
6052 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6053 implementation isn't available.
6054 (*negdf2_1): Likewise.
6055 (*negxf2_1): XF mode negation is always done using the x87.
6056 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6058 2006-05-31 Roger Sayle <roger@eyesopen.com>
6060 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6061 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6063 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6065 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6067 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6068 * config/bfin/bfin.c (basic-block.h): Include.
6069 (struct machine_function): New.
6070 (bfin_init_machine_status): New.
6071 (override_options): Initialize init_machine_status.
6072 (bfin_hardware_loop): New.
6073 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6074 (DEF_VEC_P (loop_info)): New.
6075 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6076 (struct loop_info): New.
6077 (loop_info): New typedef.
6078 (struct loop_work): New.
6079 (loop_work): New typedef.
6080 (DEF_VEC_O (loop_work)): New.
6081 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6082 (bfin_dump_loops): New.
6083 (bfin_bb_in_loop): New.
6084 (bfin_scan_loop): New.
6085 (bfin_optimize_loop): New.
6086 (bfin_reorg_loops): New.
6087 (bfin_reorg): Use bfin_reorg_loops.
6088 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6090 (I_REGNO_P): Simplify.
6091 (DP_REGNO_P, DPREG_P): New macros.
6092 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6093 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6094 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6095 Add LT_REGS, LC_REGS, LB_REGS.
6096 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6098 (REGNO_REG_CLASS): Deal with loop registers.
6099 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6101 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6102 New constants for loop registers.
6103 (UNSPEC_LSETUP_END): New.
6104 (seq_insns): New define_attr. Set it for appropriate insns.
6105 (movsi_insn): Add alternatives for move from/to
6106 loop count registers.
6107 (doloop_end): New define_expand.
6108 (loop_end): New define_insn.
6109 (define_split for bad doloop_end): New.
6110 (lsetup_with_autoinit): New define_insn.
6111 (lsetup_without_autoinit): New define_insn.
6112 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6113 * config/bfin/predicates.md (lc_register_operand): New.
6114 (lt_register_operand): New.
6115 (lb_register_operand): New.
6116 (nondp_register_operand): New.
6117 (nondp_reg_or_memory_operand): New.
6118 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6120 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6122 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6123 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6125 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6127 * Makefile.in (CATALOGS): Add po/ prefix.
6128 * configure: Regenerated.
6130 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6133 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6134 a shift operand before calling shift_op. Avoid redundant call of
6137 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6138 DJ Delorie <dj@redhat.com>
6140 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6141 we're inserting is a singlt-bit constant.
6143 2006-05-30 Roger Sayle <roger@eyesopen.com>
6145 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6146 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6148 2006-05-30 Roger Sayle <roger@eyesopen.com>
6150 PR tree-optimization/23452
6151 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6152 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6153 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6154 complex values and with -ffast-math for FP complex values.
6156 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6158 * c-common.h: Remove the prototype for yyparse.
6159 * rtl.h: Remove the prototype for init_loop.
6161 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6163 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6166 2006-05-30 Roger Sayle <roger@eyesopen.com>
6168 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6170 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6171 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6173 2006-05-30 Dirk Mueller <dmueller@suse.de>
6176 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6177 for CONSTANT_CLASS_P expresisons.
6179 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6182 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6184 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6186 PR tree-optimization/27779
6187 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6188 initial_condition instead of CHREC_LEFT.
6190 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6192 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6193 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6194 Make prototypes ISO C90.
6196 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6197 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6199 * see.c (see_analyze_one_def): Correct check.
6200 (see_get_extension_data): Check if extension is parallel.
6201 (see_get_extension_reg): Likewise.
6203 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6206 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6207 into register for (code == GTU).
6209 2006-05-29 Roger Sayle <roger@eyesopen.com>
6211 PR tree-optimization/24964
6212 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6213 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6214 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6215 abs(x)*abs(x) as x*x for scalar floating point modes.
6217 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6220 * lambda-code.c (perfect_nestify): Don't copy statements
6221 in the inner loop: move them to the inner loop header.
6223 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6226 * c-tree.texi: Document OpenMP directives and clauses.
6228 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6230 * varasm.c (globalize_decl): Fix indentation.
6232 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6235 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6236 pass_fre, pass_store_ccp, pass_copy_prop,
6237 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6238 pass_return_slot, pass_object_size, pass_lim,
6239 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6240 pass_loop_prefetch and pass_stdarg.
6242 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6244 * config/bfin/bfin.opt (mfdpic): New option.
6245 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6246 (EXTRA_MULTILIB_PARTS): Likewise.
6247 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6248 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6250 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6251 (CRT_CALL_STATIC_FUNCTION): New.
6252 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6254 (CRT_CALL_STATIC_FUNCTION): New.
6255 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6257 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6258 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6259 (initialize_trampoline): Changed to handle FD-PIC code generation.
6260 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6261 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6262 (override_options): Disallow -mid-shared-library -mfdpic combination.
6263 Can't do unaligned ops if FD-PIC.
6264 Turn off flag_pic if trying to generate non-id-shared-library
6265 non-fdpic code, since it's not supported.
6266 (bfin_assemble_integer): New function.
6267 (TARGET_ASM_INTEGER): Define.
6268 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6270 * config/bfin/crtn.s: Restore them.
6271 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6273 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6274 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6275 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6276 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6277 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6279 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6280 FDPIC_REGS and FDPIC_FPTR_REGS.
6281 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6282 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6283 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6284 (load_funcdescsi): New pattern.
6285 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6286 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6287 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6289 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6291 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6294 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6296 * tree-flow.h: Remove the prototype for add_type_alias.
6297 * tree-ssa-alias.c (add_type_alias): Remove.
6299 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6301 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6302 config/fr30/fr30.md, config/i386/i386-interix.h,
6303 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6304 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6305 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6306 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6307 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6308 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6309 Follow spelling conventions.
6310 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6311 Follow spelling conventions.
6313 2006-05-27 Richard Guenther <rguenther@suse.de>
6316 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6317 to produce a constant of value 1 of generic type.
6319 2006-05-27 Dirk Mueller <dmueller@suse.de>
6321 * cgraphunit.c (decide_is_function_needed): Fix wrong
6324 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6326 PR rtl-optimization/27661
6327 * reload.c (find_reloads): When reloading a VOIDmode constant
6328 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6329 use Pmode as mode of the reload register.
6331 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6333 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6334 is enabled at -O and above.
6336 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6339 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6342 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6345 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6346 for anonymous variables explicitly declared by front ends.
6348 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6350 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6351 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6352 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6353 ref-all pointers, run a finalization pass for them.
6354 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6355 (finalize_ref_all_pointers): New function.
6356 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6357 regular pointer type to a ref-all pointer type.
6358 (get_tmt_for): Return the special memory tag for ref-all pointers.
6360 2006-05-25 Richard Guenther <rguenther@suse.de>
6363 * fold-const.c (fold_binary): Do not look at the stripped
6364 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6366 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6368 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6369 for LT and GT if the computed range is effectively empty.
6371 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6374 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6375 mips_quad_format formats instead of ieee_single_format,
6376 ieee_double_format and ieee_quad_format formats, respectively.
6378 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6380 PR tree-optimization/27639
6381 PR tree-optimization/26719
6382 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6383 call to scev_probably_wraps_p.
6384 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6385 used_in_pointer_arithmetic_p, convert_step): Removed.
6386 (nowrap_type_p): New function.
6387 (scev_probably_wraps_p): Rewritten.
6388 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6389 chrec_convert if chrec_convert_aggressive might have been used.
6390 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6391 scev_direction): New functions.
6392 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6393 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6394 instead of convert_step.
6395 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6396 (convert_step): Declaration removed.
6397 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6399 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6401 * df-core.c: Added to header comments.
6402 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6403 df_ur_bb_info, df_urec_bb_info): Added comments.
6404 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6405 urec, ri problems): Fixed header comments.
6406 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6407 code from df_rd_transfer_function.
6409 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6411 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6412 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6413 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6415 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6417 * expr.c (undefined_operand_subword_p): New.
6418 (emit_move_multi_word): Do not generate move from undefined bits
6419 of a paradoxical subreg.
6421 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6423 PR rtl-optimization/27736
6424 * combine.c (replaced_rhs_value): New variable.
6425 (combine_instructions): Set it.
6426 (distribute_notes): When distributing a note in replaced_rhs_insn,
6427 check whether the value was used in replaced_rhs_value.
6429 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6432 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6433 add_referenced_var instead of add_referenced_tmp_var.
6434 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6435 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6437 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6438 tree_optimize_tail_calls_1): Use add_referenced_var.
6439 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6440 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6441 Use add_referenced_var.
6442 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6443 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6444 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6445 Use add_referenced_var.
6446 * tree-dfa.c (struct walk_state): Remove.
6447 (find_referenced_vars): Remove walk state and vars_found hash table.
6448 (make_rename_temp): Use add_referenced_var.
6449 (find_vars_r): Pass less parameters to add_referenced_var.
6450 (referenced_var_p): New. Is var in referenced_var hash table.
6451 (referenced_var_insert): Assert var isn't already in hash table.
6452 (add_referenced_var): Don't need walk_state parameter. Add var if it
6453 isn't already in the hash table.
6454 (add_referenced_tmp_var): Remove.
6455 (find_new_referenced_vars_1): Use add_referenced_var.
6456 * tree-ssa-pre.c (create_expression_by_pieces,
6457 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6458 Use add_referenced_var.
6459 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6460 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6461 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6463 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6464 vect_create_data_ref_ptr, vect_create_destination_var,
6465 vect_init_vector, vect_build_loop_niters,
6466 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6467 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6468 Use add_referenced_var.
6469 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6470 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6471 (add_referenced_var): Add prototype.
6472 * tree-ssa-structalias.c (get_constraint_for,
6473 intra_create_variable_infos): Use add_referenced_var.
6475 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6477 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6478 big-endian paradoxical subregs.
6479 * var-tracking.c (struct micro_operation_def): Document that,
6480 for modify micro operations, insn is the subsequent instruction.
6481 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6482 (var_reg_set, var_mem_set): ... new functions.
6483 (add_stores): Record subsequent insn.
6484 (compute_bb_dataflow): Use new functions for MO_USE.
6485 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6486 notes after the insn, and modify notes before the insn known
6487 to be the subsequent one.
6488 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6490 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6493 * config/i386/i386.c (ix86_expand_builtin): Use
6494 gen_sse3_monitor64 for TARGET_64BIT.
6496 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6498 PR rtl-optimization/26375
6499 PR rtl-optimization/26855
6500 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6502 (df_ru_bb_local_compute): Reversed statements and removed bogus
6503 comment explaining why they should be in wrong order.
6504 (df_ru_dump, df_rd_dump): Enhanced debug info.
6505 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6507 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6508 reaching uses and fixed space problem.
6510 2006-05-23 Jan Hubicka <jh@suse.cz>
6512 * cgraphunit.c (decide_is_function_needed): Also nested functions
6513 and functions declared inline can be optimized out at -O0.
6515 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6517 * doc/install.texi (Configuration): Remove reference to CrossGCC
6521 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6524 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6525 ix86_compare_emitted is non-NULL.
6527 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6530 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6533 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6535 PR rtl-optimization/25514
6536 * combine.c (replaced_rhs_insn): New variable.
6537 (combine_instructions): Set replaced_rhs_insn when trying to replace
6538 a SET_SRC with a REG_EQUAL note.
6539 (distribute_notes): Use replaced_rhs_insn when determining the live
6540 range of a REG_DEAD register.
6542 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6543 Anatoly Sokolov <aesok@post.ru>
6545 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6546 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6547 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6548 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6549 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6550 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6551 at90usb647, at90usb1286 and at90usb1287 devices.
6552 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6553 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6555 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6557 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6559 2006-05-22 Richard Guenther <rguenther@suse.de>
6562 2006-01-31 Richard Guenther <rguenther@suse.de>
6563 Paolo Bonzini <bonzini@gnu.org>
6565 * doc/install.texi (--disable-libgcc-math): Document.
6567 2006-05-22 Richard Guenther <rguenther@suse.de>
6570 2006-01-31 Richard Guenther <rguenther@suse.de>
6572 * doc/invoke.texi (-msselibm): Document.
6573 * target.h (expand_library_builtin): New target hook.
6574 * builtins.c (expand_builtin): Use expand_library_builtin.
6575 (default_expand_library_builtin): New function.
6576 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6577 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6578 (link_gcc_math_spec): Declare.
6579 (static_specs): Add link_gcc_math_spec.
6580 * expr.h (default_expand_library_builtin): Declare.
6581 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6582 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6583 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6584 * config/i386/i386.opt (msselibm): New target option.
6585 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6586 (ix86_init_sse_abi_builtins): New function.
6587 (ix86_expand_library_builtin): Likewise.
6588 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6589 (override_options): Handle error conditions wrt -msselibm.
6590 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6591 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6592 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6595 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6598 * c-common.c (self_promoting_args_p): Skip erroneous args.
6601 * c-decl.c (finish_struct): Skip erroneous fields.
6603 2006-05-22 Nick Clifton <nickc@redhat.com>
6605 * config/cris/cris.opt (march): Remove VarExists attribute.
6606 (max-stackframe=): Likewise.
6608 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6610 * doc/rtl.texi: Fix a typo.
6611 * see.c: Fix comment typos.
6613 * tree-ssa-structalias.h (alias_info): Remove num_references.
6615 2006-05-21 Mike Stump <mrs@apple.com>
6617 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6619 (darwin_pragma_options): Use BAD instead.
6620 (darwin_pragma_unused): Likewise.
6621 (darwin_pragma_ms_struct): Likewise.
6623 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6625 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6627 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6629 PR rtl-optimization/27671
6630 * simplify-rtx.c (simplify_relational_operation_1): Fix
6631 simplifications of (eq/ne (xor x y) y) and
6632 (eq/ne (xor x y) x).
6634 PR tree-optimization/26622.
6635 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6638 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6640 * tree-cfg.c: Prune whitespace.
6641 (debug_tree_cfg): Point to correct header containing the
6644 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6647 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6649 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6652 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6653 or sorry count is non zero.
6655 2006-05-20 Andreas Schwab <schwab@suse.de>
6657 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6659 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6660 Kenneth Zadeck <zadeck@naturalbridge.com>
6662 PR rtl-optimization/26855
6664 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6666 (df_scan_alloc): Added code to properly handle multiword hard
6667 registers and add all_blocks parameter.
6668 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6669 code to properly handle multiword hard registers.
6670 (df_rescan_blocks): Added code to remove deleted blocks from
6672 (df_ref_create_structure, df_ref_record): Added code to properly
6674 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6675 and set DF_REF_PARTIAL.
6676 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6677 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6678 (df_scan_add_problem): Added flags parameter.
6679 (df_ref_create_structure): Changed switching structure.
6680 (df_bb_refs_record): Fixed case where duplicate artificial refs
6681 were created. Changed location of flags.
6682 (df_record_entry_block_defs): Added code to make stack pointer
6683 live in entry block. Refined cases where frame pointer is needed.
6684 Changed location of flags.
6685 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6686 (df_set_state): Removed function.
6687 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6688 df_insn_create_insn_record, df_insn_refs_delete,
6689 df_ref_create_structure): Formatting changes.
6690 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6691 df_delete_basic_block): New function.
6692 (df_init): Changed location of flags.
6693 (df_add_problem): Added flags parameter and the way flags are
6695 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6696 debug_df_chain): Improved debugging output.
6697 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6698 (df_refs_chain_dump): Removed df parameter.
6699 (df_iterative_dataflow): Added consistency check.
6700 (df_prune_to_subcfg): Made public.
6701 (df_analyze_problem): Added blocks_to_init parameter and made
6703 (df_ref_record, df_bb_refs_record, df_mark_reg,
6704 df_record_exit_block_uses): Whitespace changes.
6705 (df_dump): Whitespace changes.
6706 * df.h: Some reordering to remove forward references.
6707 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6708 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6709 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6710 (dataflow.flags): New field.
6711 (df.flag): Deleted field.
6712 (df_alloc_function): Added additional bitmap parameter.
6713 (df_dependent_problem_function): New type.
6714 (df_problem.changeable_flags): New field.
6715 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6716 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6717 (df_mw_hardreg): New struct.
6718 (DF_INSN_UID_MWS): New macro.
6719 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6721 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6722 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6723 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6724 (df_set_state): Removed function.
6725 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6726 * df-problems.c (df_chain_dump): Removed df parameter.
6727 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6728 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6730 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6731 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6732 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6733 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6734 DF_REF_MUST_CLOBBER cases.
6735 (df_ru_bb_local_compute_process_def,
6736 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6737 df_lr_bb_local_compute, df_ur_bb_local_compute,
6738 df_chain_create_bb): Made subreg aware.
6739 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6740 df_lr_bb_local_compute, df_lr_bb_local_compute,
6741 df_chain_create_bb): Cleanup to use proper macros.
6742 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6743 code to fixup bitvectors.
6744 (df_ri_alloc): Cleared lifetime.
6745 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6746 df_create_unused_note): New function.
6747 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6748 REG_DEAD and REG_UNUSED notes as well as register information.
6749 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6750 df_chains_dump): Fixed crash if problem was never run.
6751 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6752 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6753 df_ri_add_problem): Processes flags in uniform manner.
6754 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6755 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6756 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6757 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6758 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6759 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6760 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6761 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6762 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6763 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6764 * see.c (see_initialize_data): Ditto.
6765 * final.c (rest_of_clean_state) Added regstack_completed.
6766 * rtl.h (regstack_completed): Ditto.
6767 * reg-stack.c (regstack_completed): Ditto.
6769 2006-05-19 Mike Stump <mrs@apple.com>
6771 * c-tree.h (default_conversion): Remove.
6772 * c-common.h (default_conversion): Add.
6774 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6776 * tree-vrp.c (valid_value_p): New function.
6777 (adjust_range_with_scev): Fail if the value of bound is not
6780 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6782 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6783 (mips_fallback_frame_state): Use syscall numbers to determine
6784 the appropriate li instruction for the current ABI. Only use
6785 __NR_sigreturn for o32.
6787 2006-05-19 Nicolas Setton <setton@adacore.com>
6789 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6790 * langhooks.c (lhd_dwarf_name): New function.
6791 * langhooks-def.h (lhd_dwarf_name): Declare.
6792 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6793 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6794 * ada/misc.c (gnat_dwarf_name): New function.
6795 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6797 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6799 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6801 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6802 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6803 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6804 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6805 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6806 determine the size of Wtype, etc.
6807 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6808 (swfloatfuncs): New variable.
6809 (dwfloatfuncs): Likewise.
6810 (lib2funcs): Remove floating-point conversion functions from
6811 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6812 the set of conversion routines needed. Allow entries to specify
6813 an object name, filename and word size. Update users accordingly.
6814 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6815 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6819 2006-02-08 Roger Sayle <roger@eyesopen.com>
6822 * config/fixtfdi.c: New libgcc source file.
6823 * config/fixunstfdi.c: New source file.
6824 * config/floatditf.c: New source file.
6825 * config/floatunditf.c: New souce file.
6826 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6827 files above instead of config/mips/_tilib.c.
6828 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6830 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6832 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6833 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6835 2006-05-18 Mike Stump <mrs@apple.com>
6837 Fix up vla, vm and [*] sematics.
6843 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6844 (c_vla_unspec_p): Add.
6845 (c_vla_type_p): Add.
6846 * c-decl.c (struct c_scope): Add had_vla_unspec.
6847 (build_array_declarator): Add support for [*].
6848 (grokdeclarator): Likewise.
6849 (grokparms): Likewise.
6850 (get_parm_info): Likewise.
6851 * c-objc-common.c (c_vla_unspec_p): Likewise.
6852 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6853 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6854 typeof when argument is a variably modified type not inside sizeof or alignof.
6855 (c_parser_direct_declarator_inner): Propagate errors.
6856 (c_parser_sizeof_expression): Add support for [*].
6857 (c_parser_parms_declarator): Initialize had_vla_unspec.
6858 (c_parser_parms_list_declarator): Likewise.
6859 * c-typeck.c (c_vla_type_p): Add.
6860 (composite_type): Add support for vla compositing.
6861 (comptypes_internal): Add support for vla compatibility.
6862 (c_expr_sizeof_expr): Evaluate vla arguments.
6863 * tree.c (variably_modified_type_p): Update comment for [*].
6865 2006-05-18 Michael Matz <matz@suse.de>
6868 * config.host: Make assignments to host_xmake_file cumulative.
6869 * config.host (*-darwin*): Test $host, not $target.
6871 2006-05-12 Stuart Hastings <stuart@apple.com>
6873 * config/i386/i386.opt (-mstackrealign): New flag.
6874 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6875 (ix86_handle_cconv_attribute): Emit error when
6876 force_align_arg_pointer attribute collides with too many regparms.
6877 (ix86_function_regparm): Limit regparms when used with
6878 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6879 Support stack-realigning prologue in non-main functions. Emit
6880 warning for nested functions under -mstackrealign, emit error for
6881 nested functions with force_align_arg_pointer attribute.
6882 * doc/extend.texi (force_align_arg_pointer): Document it.
6883 * doc/invoke.texi (-mstackrealign): Document it.
6885 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6887 PR rtl-optimization/27477
6888 * combine.c (try_combine): Don't split a parallel consisting
6889 of two sets into two individual sets if both sets reference
6892 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6894 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6895 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6897 * doc/options.texi (VarExists): Updated.
6899 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6901 * unwind-dw2.c: Add declarations for uw_update_context and
6903 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6904 detected, advance frame state and context once to skip over stub.
6906 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6910 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6911 Call rewrite_into_loop_closed_ssa only when something changed.
6912 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6913 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6914 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6915 Test for perfect_nest_p here. Fix formating.
6916 (replace_uses_equiv_to_x_with_y): Fix formating.
6917 (stmt_uses_op): Removed.
6918 (can_convert_to_perfect_nest): Removed loopivs parameter.
6919 Complete the test by checking the scalar dependences.
6920 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6923 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6926 From Dan Kegel <dank@kegel.com>:
6927 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6929 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6931 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6932 if the element type is variably modified without recursing.
6934 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6937 * tree-loop-linear.c (try_interchange_loops): Test for
6938 no data dependences.
6940 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6942 PR tree-optimization/27548
6943 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6944 range of ssa names that appear on abnormal edges.
6945 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6946 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6948 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6951 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6953 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6956 * tree.h (OMP_PARALLEL_COMBINED): Define.
6957 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6958 (new_omp_context): Add is_combined_parallel argument.
6959 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6960 new_omp_context caller.
6961 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6962 Adjust gimplify_scan_omp_clauses callers.
6963 (omp_is_private): Issue errors if iteration variable is firstprivate
6964 or reduction in the current context.
6965 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6966 on combined parallel workshare constructs.
6968 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6970 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6971 (gcc-options.o): New rule.
6973 * optc-gen.awk: Protect variables for gcc-options.o with
6974 #ifdef GCC_DRIVER/#endif.
6976 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6978 Fix PR tree-optimization/27373
6979 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6980 (forward_propagate_addr_expr): Update call.
6982 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6984 * doc/options.texi: Move the Negative option.
6986 2006-05-16 Richard Guenther <rguenther@suse.de>
6988 PR tree-optimization/22303
6989 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6991 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6992 ccp_fold did not simplify the statement.
6994 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6997 * Makefile.in (GCC_OBJS): New.
6998 (OBJS-common): Add opts-common.o.
6999 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7000 (cpp$(exeext)): Likewise.
7001 (gcc.o): Also depend on opts.h.
7002 (opts-common.o): New.
7004 * common.opt (gcoff): Add Negative(gdwarf-2).
7005 (gdwarf-2): Add Negative(gstabs).
7006 (gstabs): Add Negative(gstabs+).
7007 (gstabs+): Add Negative(gvms).
7008 (gvms): Add Negative(gxcoff).
7009 (gxcoff): Add Negative(gxcoff+).
7010 (gxcoff+): Add Negative(gcoff).
7011 * config/i386/i386.opt (m32): Add Negative(m64).
7012 (m64): Add Negative(m32).
7014 * doc/options.texi: Document the Negative option.
7016 * gcc.c: Include "opts.h".
7017 (main): Call prune_options after expandargv.
7019 * optc-gen.awk: Generate common declarations for all flag
7020 variables in options.c. Output the neg_index field.
7022 * opts.c (find_opt): Moved to ...
7023 * opts-common.c: Here. New file.
7025 * opts.h (cl_option): Add a neg_index field.
7027 (prune_options): Likewise.
7029 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7032 * omp-low.c (expand_omp_parallel): Don't assert
7033 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7034 instead search for it.
7037 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7040 2006-05-16 Andreas Schwab <schwab@suse.de>
7042 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7045 2006-05-15 Roger Sayle <roger@eyesopen.com>
7048 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7049 integer constants other than zero are only legitimate on TARGET_64BIT.
7050 <CONST_VECTOR> Only zero vectors are legitimate.
7051 (ix86_cannot_force_const_mem): Integral and vector constants can
7052 always be put in the constant pool.
7054 2006-05-16 DJ Delorie <dj@redhat.com>
7056 * crtstuff.c (__dso_handle): Set section from
7057 TARGET_LBIGCC_SDATA_SECTION if defined.
7058 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7059 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7061 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7064 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7067 2006-05-16 Ben Elliston <bje@au.ibm.com>
7069 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7071 2006-05-15 Per Bothner <per@bothner.com>
7073 * tree.c: (last_annotated_node): Use source_locus typedef.
7074 This permits bootstrapping with --enable-mapped-location.
7076 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7078 PR tree-optimization/26830
7079 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7080 (info_for_ssa_name, current_info_for_ssa_name_age,
7081 blocks_to_update): New variables.
7082 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7083 (clear_ssa_name_info, initialize_flags_in_bb,
7084 mark_block_for_update): New functions.
7085 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7086 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7087 prepare_def_site_for): Use mark_block_for_update.
7088 (mark_def_interesting): Assert that the processed block is marked in
7089 blocks_to_update. Do not take blocks argument.
7090 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7092 (rewrite_update_init_block, rewrite_update_stmt): Only process
7093 blocks with statements to rewrite.
7094 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7095 (update_ssa): Initialize and free blocks_to_update. Do not
7096 clear flags on statements. Do not use blocks bitmap.
7097 * tree.h (SSA_NAME_AUX): Removed.
7098 (struct tree_ssa_name): Removed aux field.
7099 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7101 2006-05-15 Richard Guenther <rguenther@suse.de>
7103 PR tree-optimization/27603
7104 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7105 Do computations in original type.
7107 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7109 * see.c: Code style changes such as redundant paranthesis,
7110 redundant intialization of local variables etc.
7111 (see_main): Declared now as static.
7112 * doc/invoke.texi: Update that -fsee is not enabled by
7115 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7117 * omp-low.c (check_omp_nesting_restrictions): New function.
7118 (scan_omp_1): Call it.
7121 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7122 construct, return *VAR.
7124 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7126 PR rtl-optimization/27406
7127 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7130 2006-05-14 Roger Sayle <roger@eyesopen.com>
7132 PR rtl-optimization/27538
7133 * combine.c (expand_compound_operation): Call gen_lowpart
7134 before calling simplify_shift_const.
7136 2006-05-14 Roger Sayle <roger@eyesopen.com>
7138 PR rtl-optimization/22563
7139 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7140 a fixed width bitfield, always force the intermediates into psuedos.
7142 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7145 * mkconfig.sh: Use operator = instead of == for test.
7147 2006-05-13 Nick Clifton <nickc@redhat.com>
7149 * dwarf2out.c (dbx_reg_number): Check return value from
7150 LEAF_REG_REMAP and only use it if it is valid.
7151 (multiple_reg_loc_descriptor): Likewise.
7153 2006-05-13 Richard Guenther <rguenther@suse.de>
7155 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7158 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7160 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7161 information attached to non-INSNs such as NOTEs.
7162 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7164 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7166 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7168 * config/s390/s390.md: Adjust comment describing On constraint.
7170 2006-05-11 Jan Hubicka <jh@suse.cz>
7172 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7173 to be output at -O0.
7175 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7178 * fold-const.c (size_binop): Move sanity check for arguments to
7179 the beginning of the function.
7182 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7185 2006-05-11 Richard Guenther <rguenther@suse.de>
7188 * fold-const.c (fold_unary): Handle intermediate conversion
7189 to a pointer type like intermediate conversion to an integer
7190 type in folding of (T1)(T2)var to var.
7191 Match the code to the comment in the final conversion for
7192 (T1)(T2)var to (T1)var regarding to type precision. Rather
7193 than disallow T1 being of pointer type, assert that both T1
7194 and var are of pointer type or not. Make sure not to fall
7195 over the frontends lazyness wrt array to pointer decay though.
7197 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7199 * arm.c (arm_struct_value_rtx): Delete.
7200 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7201 (arm_init_cumulative_args): Always initialize nregs to zero.
7203 2006-05-10 Richard Guenther <rguenther@suse.de>
7205 PR tree-optimization/27532
7206 * tree-object-size.c (plus_expr_object_size): Fix typo.
7208 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7211 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7212 ashrdi_const, ashrdi3): Use a scratch register.
7214 2006-05-10 Richard Guenther <rguenther@suse.de>
7216 PR tree-optimization/27302
7217 * fold-const.c (operand_equal_p): For two comparisons,
7218 try comparison of one comparison code swapped if that yields
7221 2006-05-10 Ben Elliston <bje@au.ibm.com>
7223 * tree-pretty-print.c (pretty_print_string): No need to handle
7224 '\0' as a special character.
7226 * tree.h: Include "hashtab.h".
7227 (iterative_hash_expr): Use hashval_t in its prototype.
7228 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7230 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7233 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7234 (hppa*64*-*-hpux11*): Ditto.
7235 (hppa[12]*-*-hpux11*): Ditto.
7237 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7240 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7242 2006-05-09 Michael Matz <matz@suse.de>
7244 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7245 host_extra_gcc_objs and host_xmake_file.
7246 (<*-*-linux*>): Don't overwrite host_xmake_file.
7247 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7248 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7249 (host_detect_local_cpu): Declare.
7250 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7251 * config/i386/i386.c (override_options): Handle -mtune=native
7253 * config/i386/x-i386: New file.
7254 * config/i386/driver-i386.c: New file.
7255 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7258 2006-05-09 Dirk Mueller <dmueller@suse.de>
7259 Richard Guenther <rguenther@suse.de>
7262 * fold-const.c (fold_read_from_constant_string): Relax check
7263 for matching types to matching modes.
7265 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7267 PR rtl-optimization/27335
7268 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7271 2006-05-08 Chao-ying Fu <fu@mips.com>
7272 Richard Sandiford <richard@codesourcery.com>
7274 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7275 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7276 * config/mips/mips.md (UNSPEC_SCC): New constant.
7277 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7278 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7279 (mips_emit_compare): Use it.
7280 (mips_expand_vcondv2sf): New function.
7282 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7284 Fix PR tree-optimization/27093
7285 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7286 renaming when they become not-used_alone.
7288 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7290 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7291 relocation and relocation stubs.
7293 2006-05-08 Eric Christopher <echristo@apple.com>
7295 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7298 2006-05-08 Jan Hubicka <jh@suse.cz>
7301 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7302 unused static functions are needed.
7304 2006-05-08 Roger Sayle <roger@eyesopen.com>
7307 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7308 of a reg_equiv_constant if the result is a legitimate constant.
7310 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7313 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7314 standard 80387 constants, raise the cost to prevent
7315 compress_float_constant() to generate load from memory.
7317 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7319 * config/arm/constraints.md (c): Fix a typo.
7321 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7324 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7327 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7329 (_mm_mwait): Likewise.
7331 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7333 (sse3_monitor): Make it 32bit only.
7334 (sse3_monitor64): New. 64bit monitor.
7336 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7339 * config/i386/i386.c (classify_argument): Skip fields with invalid
7342 2006-05-07 Richard Guenther <rguenther@suse.de>
7344 PR tree-optimization/27409
7345 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7346 Do not try to find zero-sized subvars.
7348 2006-05-07 Richard Guenther <rguenther@suse.de>
7350 PR tree-optimization/27136
7351 * tree-ssa-loop-niter.c (get_val_for): Correct function
7352 comment, assert requirements.
7353 (loop_niter_by_eval): Stop processing if the iterated
7354 value did not simplify.
7356 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7358 * opts.c (flag_see): remove its setting at -O3.
7360 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7362 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7363 * arm/constraints.md: New file.
7364 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7365 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7366 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7367 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7368 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7369 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7370 * arm.md: Include constraints.md.
7371 (thumb_movsi_insn): Use satisfies_constraint_J.
7372 (movhi, movqi): Use satisfies_constraint_I.
7374 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7376 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7377 for atmeg a645 device.
7379 2006-05-06 Richard Guenther <rguenther@suse.de>
7381 PR tree-optimization/27151
7382 * tree-vect-transform.c (vectorizable_condition): Punt on
7383 values that have a different type than the condition.
7385 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7388 * c-parser.c (c_parser_cast_expression): Only insert casts into
7389 hash table if pointer.
7390 * function.c (used_types_insert_helper): Rename from
7392 (used_types_insert): Call used_types_insert_helper.
7393 * function.h (used_types_insert): Accept only one argument.
7395 2006-05-05 David Edelsohn <edesohn@gnu.org>
7397 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7398 scratch with output modifier.
7400 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7403 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7404 with output modifier.
7406 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7409 * config/mips/mips.c (mips_symbolic_address_p): Return true
7410 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7411 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7413 2006-05-04 Richard Guenther <rguenther@suse.de>
7415 PR tree-optimization/14287
7416 PR tree-optimization/14844
7417 PR tree-optimization/19792
7418 PR tree-optimization/21608
7419 PR tree-optimization/27090
7420 * tree-ssa-pre.c (try_combine_conversion): New function.
7421 (compute_avail): After constructing the value-handle
7422 expression, use try_combine_conversion to combine NOP_EXPRs
7423 with previous value-handle expressions and use the result if it
7426 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7428 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7430 2006-05-04 Jan Hubicka <jh@suse.cz>
7433 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7435 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7437 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7438 that this only matches CONST_INTs. All users changed to VOIDmode
7441 * config/bfin/bfin.c: Include "optabs.h".
7442 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7444 (enum bfin_builtins): Add a number of fractional and vector builtins.
7445 (bfin_init_builtins): Likewise.
7446 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7447 (safe_vector_operand, bfin_expand_binop_builtin,
7448 bfin_expand_unop_builtin): New functions.
7449 (bfin_expand_builtin): Handle the new builtins.
7450 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7453 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7456 * Makefile.in (OBJS-common): Add see.o.
7457 (see.o): Add dependencies.
7458 * common.opt (fsee): New flag for the see optimization was added.
7459 * opts.c (flag_see): Initialized.
7460 * passes.c (init_optimization_passes, pass_see): New pass.
7461 * rtl.h (see_main): Declaration as extern.
7462 * timevar.def (TV_SEE): New.
7463 * tree-pass.h (pass_see): Declaration as extern.
7464 * invoke.texi (-fsee): Document.
7465 * recog.c (validate_simplify_insn): New function.
7466 * recog.h (validate_simplify_insn): Declaration as extern.
7467 * df-problems.c (df_chain_dump): Check for NULL.
7469 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7470 Daniel Berlin <dberlin@dberlin.org>
7472 * cfgrtl.c (insert_insn_bb_end_new): New function.
7473 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7475 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7477 * df.h (struct web_entry): Moved from web.c.
7478 (union_defs): Declaration as extern.
7479 (unionfind_root): Likewise.
7480 (unionfind_union): Likewise.
7481 * web.c (struct web_entry): Moved to df.h.
7482 (unionfind_root): Remove static declaration.
7483 (unionfind_union): Likewise.
7484 (union_defs): Likewise and generalize to use callback function.
7485 (web_main): Update arguments for union_defs function call.
7487 2006-05-04 Richard Guenther <rguenther@suse.de>
7489 PR tree-optimization/26447
7490 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7491 produce SSA_NAME copies before the store stmt to avoid
7492 breaking exception handling.
7494 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7497 * gimplify.c (omp_is_private): If var is shared in some outer context,
7498 return false instead of true. Stop searching on parallel context
7501 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7504 * coverage.c: Use get_gcov_unsigned_t() instead of
7505 unsigned_type_node all over.
7507 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7509 PR tree-optimization/27381
7510 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7511 maintain the same immediate_use links.
7512 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7513 node rather than segfaulting.
7515 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7518 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7519 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7520 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7522 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7524 Fix PR tree-optimization/26626
7525 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7527 * tree-ssa-operands.c (access_can_touch_variable): Allow
7528 typecasting through union pointers.
7530 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7533 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7534 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7535 to find if var will be a global variable even in the nested context.
7536 (omp_copy_decl): Only check for global variable at the end, it might
7537 be overridden in outer contexts.
7538 (scan_sharing_clauses): For global variables don't create a field.
7539 (lower_rec_input_clauses): Do nothing for global shared variables.
7540 Emit a barrier at the end of ILIST if there were any decls in both
7541 firstprivate and lastprivate clauses.
7542 (lower_send_clauses): Do nothing for global variables except for
7545 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7547 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7548 of the correct signedness is returned.
7550 2006-05-02 Jeff Law <law@redhat.com>
7552 PR tree-optimization/27364
7553 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7554 multiply expressions.
7556 2006-05-02 Tom Tromey <tromey@redhat.com>
7558 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7560 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7563 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7564 -mthumb -fPIC are used.
7566 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7567 Joshua Kinard <kumba@gentoo.org>
7570 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7571 with 64-bit pointers.
7573 2006-05-02 Paul Brook <paul@codesourcery.com>
7575 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7577 (create_fix_barrier): Check that a suitable barrier location is
7579 (arm_reorg): Include ftmp->address in allowable range of addresses.
7581 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7584 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7587 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7590 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7591 around RESULT_DECL for result passed by reference.
7592 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7593 * omp-low.c (use_pointer_for_field): Don't look at
7594 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7595 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7596 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7597 time or var for passing by reference for
7598 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7599 TREE_ADDRESSABLE variables when passing by reference.
7601 * omp-low.c (dump_omp_region): Fix output formatting.
7604 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7605 (expand_omp_parallel): Likewise.
7606 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7609 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7610 on statement list containing also constructors and destructors.
7611 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7614 * except.c (duplicate_eh_regions): Fix clearing of
7615 cfun->eh->region_array entries.
7617 2006-05-01 DJ Delorie <dj@redhat.com>
7619 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7621 (gcc_cv_objdump): Likewise.
7622 * configure: Regenerated.
7624 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7627 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7628 templates for case 3 and 4.
7630 2006-05-01 DJ Delorie <dj@redhat.com>
7632 * vec.c: Include bconfig.h when appropriate.
7633 * Makefile.in (build/vec.o): Adjust dependencies.
7634 * mkconfig.sh: Make sure config.h isn't used for build machine
7637 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7639 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7641 (mark_phi_for_rewrite): New function.
7642 (insert_phi_nodes_for, mark_use_interesting): Call
7643 mark_phi_for_rewrite.
7644 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7645 (update_ssa): Initialize and free phis_to_rewrite.
7647 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7649 PR rtl-optimization/27291
7650 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7651 folded to a constant.
7653 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7655 PR tree-optimization/27283
7656 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7657 not whole # of iteration descriptions.
7658 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7659 uses abnormal ssa name.
7660 (niter_for_single_dom_exit): Ditto.
7661 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7662 return just the number of iterations.
7664 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7666 PR tree-optimization/27144
7667 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7668 (record_estimate): Only record constant upper bound.
7669 (infer_loop_bounds_from_undefined): Call
7670 compute_estimated_nb_iterations just once.
7671 (proved_non_wrapping_p): Renamed to ...
7672 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7673 (convert_step_widening, scev_probably_wraps_p): Call
7674 n_of_executions_at_most instead of proved_non_wrapping_p.
7675 (substitute_in_loop_info): Do not replace values in bounds.
7676 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7679 2006-05-01 Richard Henderson <rth@redhat.com>
7682 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7683 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7686 2006-05-01 Roger Sayle <roger@eyesopen.com>
7688 * c-typeck.c (parser_build_binary_op): Don't call the function
7689 unsigned_conversion_warning to spot operand/result type overflow.
7690 (build_binary_op): Instead, call convert_and_check instead of
7691 convert to report the problem when the operands are promoted.
7692 * c-common.c (unsigned_conversion_warning): Make static.
7693 * c-common.h (unsigned_conversion_warning): Delete prototype.
7695 2006-05-01 Richard Guenther <rguenther@suse.de>
7697 PR tree-optimization/26726
7698 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7700 (find_interesting_uses_address): ... we work around here
7701 by folding INDIRECT_REFs in the substituted base.
7703 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7705 * omp-low.c (dump_omp_region): Add newlines.
7707 2006-04-30 Roger Sayle <roger@eyesopen.com>
7709 * common.opt (Woverflow): New command line option.
7710 * c-common.c (constant_expression_warning): Check warn_overflow.
7711 (overflow_waring): Pass OPT_Woverflow to warning.
7712 (unsigned_conversion_warning): Likewise.
7713 (convert_and_check): Likewise.
7714 * doc/invoke.texi: Document new command line option.
7716 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7718 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7719 TARGET_NO_FP_IN_TOC for section anchors.
7720 (optimization_options): Enable section anchors for all
7721 non-"Objective" languages.
7723 2006-04-28 Eric Christopher <echristo@apple.com>
7725 * config/darwin-c.c (darwin_ms_struct): Move this
7726 (darwin_set_default_type_attributes): and this...
7727 * config/darwin.c: ... here.
7728 * config/darwin.h (darwin_ms_struct): Declare.
7730 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7732 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7734 2006-04-28 Roger Sayle <roger@eyesopen.com>
7737 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7738 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7739 an unsigned HOST_WIDE_INT.
7740 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7742 (really_start_incremental_init): No need to call convert because
7743 bitsize_zero_node is already of type bitsizetype.
7744 (push_init_level): Extract the value of constructor_index as an
7745 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7746 (process_init_element): Likewise.
7748 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7750 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7751 value before passing to make_relative_prefix.
7753 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7756 * builtins.c (expand_builtin_memset): Expand val in original mode.
7758 2006-04-27 Eric Christopher <echristo@apple.com>
7760 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7761 with #ifndef/#endif.
7762 * config/darwin-c.c (darwin_ms_struct): New.
7763 (darwin_pragma_ms_struct): Ditto.
7764 (darwin_set_default_type_attributes): Ditto.
7765 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7766 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7767 Register ms_struct pragma.
7768 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7769 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7770 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7771 darwin_set_default_type_attributes if TARGET_MACHO.
7773 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7775 PR tree-optimization/26854
7776 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7777 * doc/tree-ssa.texi: Update immuse iterator documentation.
7778 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7779 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7780 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7781 first_safe_imm_use, next_safe_imm_use): Remove.
7782 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7783 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7784 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7785 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7786 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7787 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7788 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7789 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7790 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7791 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7792 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7793 (perfect_nestify): Use new iterator.
7794 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7796 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7797 (next_imm_name): New field in struct immediate_use_iterator_d.
7798 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7799 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7800 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7801 * tree-cfg.c (replace_uses_by): Use new iterator.
7802 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7803 * tree-ssa-operands.c (correct_use_link): Remove.
7804 (finalize_ssa_use_ops): No longer call correct_use_link.
7806 2006-04-27 Stuart Hastings <stuart@apple.com>
7808 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7809 * config/t-darwin (crt3.o): Use it.
7810 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7811 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7812 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7813 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7814 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7817 2006-04-27 Roger Sayle <roger@eyesopen.com>
7819 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7820 size, force the intermediate into a new pseudo rather instead of
7821 performing both a bitwise AND and a bitwise IOR in memory.
7823 2006-04-27 Richard Guenther <rguenther@suse.de>
7825 PR rtl-optimization/26685
7826 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7827 this one "max-flow-memory-locations".
7829 2006-04-27 Richard Guenther <rguenther@suse.de>
7831 PR tree-optimization/25148
7832 * tree-vrp.c (compare_values): Remove code dealing with
7833 comparisons against type min/max value. Honour overflow
7834 and negative constants in code dealing with comparisons
7835 of plus and minus expressions.
7836 (value_inside_range): Use fold_binary with LE_EXPR and
7837 GE_EXPR rather than compare_values.
7839 2006-04-27 Dirk Mueller <dmueller@suse.de>
7841 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7844 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7846 * basic-block.h (safe_insert_insn_on_edge): Removed.
7847 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7849 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7850 Paolo Bonzini <bonzini@gnu.org>
7853 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7854 (simplify_and_const_int): Same.
7856 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7858 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7860 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7863 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7864 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7865 cgraph_global_info_ready.
7868 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7871 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7872 either decl or init is error_mark_node.
7875 * tree-flow.h (struct omp_region): Add sched_kind.
7876 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7877 instead of extracting omp for data.
7878 (expand_omp_for): Save extracted sched_kind.
7880 2006-04-25 Roger Sayle <roger@eyesopen.com>
7882 * expmed.c (store_bit_field): Also check whether the bitsize is
7883 valid for the machine's "insv" instruction before moving the
7884 target into a pseudo for use with the insv.
7885 * config/i386/predicates.md (const8_operand): New predicate.
7886 * config/i386/i386.md (extv, extzv, insv): Use the new
7887 const8_operand predicate where appropriate.
7889 2006-04-25 DJ Delorie <dj@redhat.com>
7891 * doc/install.texi (Specific): Clarify that this is not a list of
7892 supported hosts or targets.
7894 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7896 PR rtl-optimization/26725
7897 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7898 block's BB_DIRTY flag.
7900 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7902 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7905 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7906 to print an integer.
7908 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7910 * varasm.c (align_variable): New function.
7911 (get_block_for_decl): Apply align_variable to DECL before
7912 calculating section information.
7913 (assemble_variable): Split out alignment computation.
7915 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7917 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7920 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7922 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7923 MODE_PARTIAL_INT mode.
7924 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7925 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7927 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7928 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7930 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7932 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7934 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7935 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7936 MACFLAG_IH): Likewise.
7937 (movstricthi_1): Renamed from "*movstricthi".
7938 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7939 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7940 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7941 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7942 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7943 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7944 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7945 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7946 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7947 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7948 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7949 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7950 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7951 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7952 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7954 * doc/rtl.texi (ss_ashift): Improve wording.
7956 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7958 * dwarf2out.c (verify_marks_clear): New.
7959 (prune_unused_types): Call verify_marks_clear initially, not
7962 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7964 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7965 * doc/rtl.texi: Document them.
7966 * simplify-rtx.c (simplify_unary_operation,
7967 simplify_binary_operation_1): Don't abort when we see them.
7969 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7972 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7973 * configure.ac: Completely disregard languages that are not
7975 * configure: Regenerated.
7977 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7978 Richard Guenther <rguenther@suse.de>
7980 PR tree-optimization/27236
7981 * tree-inline.c (copy_body_r): Make sure to copy
7982 TREE_THIS_VOLATILE flag.
7984 2006-04-24 Richard Guenther <rguenther@suse.de>
7987 * tree-complex.c (update_parameter_components): Don't handle
7988 unused parameters which have no default def.
7990 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7991 Richard Guenther <rguenther@suse.de>
7993 PR tree-optimization/27218
7994 * tree-inline.c (expand_call_inline): Strip useless type
7995 conversions for the return slot address.
7997 2006-04-24 Richard Guenther <rguenther@suse.de>
7999 * cfgloop.h (struct loops): Remove unused field array. Reorder
8001 (LOOP_PREFETCH): Remove.
8003 2006-04-24 Richard Guenther <rguenther@suse.de>
8005 PR tree-optimization/22525
8006 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8007 variable, adjust types of generated expressions.
8009 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8011 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8012 (tree-vect-patterns.o): Likewise.
8014 (cselib.o): Likewise.
8015 (loop-doloop.o): Likewise.
8016 (regclass.o): Likewise.
8017 (reload1.o): Likewise.
8018 (explow.o): Replace target.h with $(TARGET_H).
8019 (ipa-prop.o): Likewise.
8020 (ipa-cp.o): Likewise.
8021 (ipa-inline.o): Likewise.
8022 (reorg.o): Likewise.
8023 (reg-stack.o): Likewise.
8025 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8027 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8029 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8031 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8033 * configure.ac: Completely disregard languages that are not
8035 * configure: Regenerated.
8038 * c-common.h (c_build_bitfield_integer_type): Declare.
8039 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8040 * c-common.c (c_build_bitfield_integer_type): ... here.
8042 2006-04-23 Roger Sayle <roger@eyesopen.com>
8045 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8046 a SImode SUBREG of a floating point register after no_new_pseudos.
8048 2006-04-23 Roger Sayle <roger@eyesopen.com>
8050 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8051 identify potentially eliminable registers to additionally catch
8052 VIRTUAL_INCOMING_ARGS_REGNUM.
8053 (addsi3): Update the conditions on when to use addsi_small_int.
8055 2006-04-23 Roger Sayle <roger@eyesopen.com>
8058 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8059 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8060 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8062 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8064 * fold-const.c (range_predecessor): Use operand_equal_p
8065 as the predicate for equality.
8066 (range_successor): Likewise.
8068 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8071 * config/soft-fp/op-common.h: Fix a typo.
8073 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8076 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8077 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8079 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8081 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8083 * doc/tm.texi: Fix a typo.
8085 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8087 * dwarf2out.c (struct die_struct): Document that die_sib makes
8088 a circular linked list.
8089 (FOR_EACH_CHILD): New.
8090 (reverse_die_lists): Delete.
8091 (reverse_all_dies): Delete.
8092 (add_dwarf_attr): Correct documentation.
8093 (remove_child_with_prev): New.
8094 (remove_child_TAG): Update for change to die_struct, use
8095 remove_child_with_prev.
8096 (add_child_die): Update for change to die_struct.
8097 (splice_child_die): Use remove_child_with_prev and add_child_die.
8098 (print_die): Use FOR_EACH_CHILD.
8099 (die_checksum): Likewise.
8100 (assign_symbol_names): Likewise.
8101 (output_location_lists): Likewise.
8102 (build_abbrev_table): Likewise.
8103 (calc_die_sizes): Likewise.
8104 (mark_dies): Likewise.
8105 (unmark_dies): Likewise.
8106 (unmark_all_dies): Likewise.
8107 (output_die): Likewise.
8108 (prune_unused_types_mark): Likewise.
8109 (prune_unused_types_walk): Likewise.
8110 (same_die_p): Update for change to die_struct.
8111 (break_out_includes): Likewise.
8112 (prune_unused_types_prune): Likewise.
8113 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8114 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8116 (dwarf2out_finish): Don't call reverse_all_dies.
8118 2006-04-21 Eric Christopher <echristo@apple.com>
8120 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8121 in comments and function names.
8123 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8126 * c-typeck.c (digest_init): Robustify.
8128 * c-typeck.c (pop_init_level): Simplify.
8130 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8132 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8134 2006-04-21 Paul Brook <paul@codesourcery.com>
8136 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8137 hardware floating point.
8139 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8141 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8144 2006-04-21 Nick Clifton <nickc@redhat.com>
8146 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8149 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8152 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8153 C++ lang type in traceback table for Objective-C++.
8155 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8157 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8159 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8161 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8164 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8165 were errors. Remove check for erroneous objects.
8167 2006-04-20 Jeff Law <law@redhat.com>
8169 PR tree-optimization/26854
8170 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8171 checking for zero or one use.
8172 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8173 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8174 * tree-ssa-reassoc.c (negate_value): Similarly.
8175 (reassociate_bb): Similarly.
8177 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8179 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8180 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8181 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8183 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8185 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8186 fp regs if the last fp arg doesn't fit in regs.
8188 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8191 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8192 that the last insn has the REG_INC note.
8194 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8195 Nathan Sidwell <nathan@codesourcery.com>
8198 * stor-layout.c (update_alignment_for_field): Do not align
8200 (place_union_field): Place union field at the start of the union.
8201 (place_field): Move ERROR_MARK check later, and use the current
8202 allocation position to maintain monotonicity.
8204 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8206 * dominance.c: Include timevar.h.
8207 (calculate_dominance_info): Use TV_DOMINANCE.
8208 * timevar.def (TV_DOMINANCE): New timevar.
8209 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8211 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8213 PR rtl-optimization/14261
8214 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8215 move would be an INSV insn.
8216 (noce_process_if_block): Don't optimize if the destination is a
8217 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8219 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8221 * config/s390/s390.md: Add comments with the instructions emitted
8222 by an insn pattern if macros are used.
8224 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8226 PR rtl-optimization/26026
8227 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8228 is a known power of two shifted left a variable amount.
8230 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8232 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8233 to hash table twice when the debug_str section has SECTION_MERGE.
8235 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8237 * config/soft-fp: New directory. From glibc.
8238 * config/soft-fp/t-softfp: New.
8239 * config/soft-fp/README: New.
8240 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8241 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8242 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8243 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8244 * config.gcc: Use rs6000/t-fprules-fpbit or
8245 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8247 * config/rs6000/sfp-machine.h: New. Based on glibc.
8248 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8250 * config/rs6000/t-fprules: Remove fp-bit rules.
8251 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8252 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8253 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8254 (softfp_wrap_start, softfp_wrap_end): New.
8256 2006-04-18 DJ Delorie <dj@redhat.com>
8258 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8260 2006-04-18 Devang Patel <dpatel@apple.com>
8262 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8264 2006-04-18 Nick Clifton <nickc@redhat.com>
8266 * config/sh/t-symbian: Add rule to build sh-c.o
8267 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8268 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8269 (sh_symbian_encode_section_info): Likewise.
8271 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8273 * builtins.c (expand_builtin_strcmp): Cover label definition of
8274 do_libcall with HAVE_cmpstrnsi.
8276 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8278 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8280 * function.h (temp_slot_p): New.
8281 (function): Change the type of x_used_temp_slots to
8282 VEC(temp_slot_p,gc) *.
8284 2006-04-18 Nick Clifton <nickc@redhat.com>
8286 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8287 flag_strength_reduce.
8289 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8291 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8295 Partial revert of revision 112637
8296 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8297 Dale Johannesen <dalej@apple.com>
8300 * regclass.c (struct reg_pref): Update documentation.
8301 (regclass): Set prefclass to NO_REGS if memory is the best option.
8302 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8304 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8306 PR tree-optimization/26821
8307 * tree-ssa-math-opts.c (get_constant_one): New.
8308 (insert_reciprocals): Use it.
8310 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8312 * dwarf2out.c (free_AT): Delete.
8313 (remove_AT): Update string ref counts.
8314 (remove_child_TAG): Don't call free_die.
8316 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8317 or DW_TAG_GNU_EINCL.
8318 (prune_unused_types_walk_attribs): Reset string refcounts.
8319 (prune_unused_types_update_strings): New.
8320 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8321 call free_die. Do call prune_unused_types_update_strings.
8322 (prune_unused_types): Empty debug_str_hash.
8324 2006-04-17 Roger Sayle <roger@eyesopen.com>
8326 * expr.c (expand_assignment): Optimize away no-op moves where the
8327 source and destination are equal and have no side-effects.
8329 2006-04-17 Richard Guenther <rguenther@suse.de>
8332 * reload.c (push_reload): Guard calls to get_secondary_mem
8335 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8337 * alias.c (reg_base_value, old_reg_base_value): Change the
8338 type to VEC(rtx,gc) *.
8339 (REG_BASE_VALUE, find_base_value, record_set,
8340 init_alias_analysis): Use VEC instead of VARRAY.
8342 * alias.c (alias_sets): Change the type to
8343 VEC(alias_set_entry,gc) *.
8344 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8345 VEC instead of VARRAY.
8346 (last_alias_set): Remove.
8348 * cgraph.h (cgraph_edge_p): New.
8349 Update the prototype of cgraph_function_versioning.
8350 * cgraphunit.c (cgraph_copy_node_for_versioning,
8351 cgraph_function_versioning): Use VEC instead of VARRAY.
8352 * ipa-cp.c (ipcp_insert_stage): Likewise.
8354 2006-04-16 Roger Sayle <roger@eyesopen.com>
8357 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8358 "A op B" or "A op C", we may need to convert A to the type of B and C.
8360 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8362 * target.h (struct gcc_target): Add mode_rep_extended.
8363 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8364 (init_num_sign_bit_copies_in_rep): Initialize it using
8366 (truncate_to_mode): Use it.
8367 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8368 * targhooks.h (default_mode_rep_extended): Declare it.
8369 * targhooks.c (default_mode_rep_extended): Define it.
8370 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8371 default_mode_rep_extended.
8372 (TARGET_INITIALIZER): Include it.
8373 * doc/tm.texi (Misc): Document it.
8374 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8375 (mips_truncated_to_mode): New function.
8377 2006-04-16 Roger Sayle <roger@eyesopen.com>
8380 * expr.c (compress_float_constant): Copy the narrow constant into
8381 a new pseudo before extending it to its final width.
8383 2006-04-16 Roger Sayle <roger@eyesopen.com>
8384 Andrew Pinski <pinskia@gcc.gnu.org>
8385 Dale Johannesen <dalej@apple.com>
8388 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8389 special case code to implement V8HImode and V16QImode with SSE2.
8391 2006-04-15 Roger Sayle <roger@eyesopen.com>
8393 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8394 trees are constructed with a suitable tree type.
8396 2006-04-15 Roger Sayle <roger@eyesopen.com>
8398 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8399 (integer_onep): Likewise.
8400 (integer_all_onesp): Likewise.
8401 (integer_pow2p): Likewise.
8402 (integer_nonzerop): Likewise.
8403 (real_zerop): Likewise.
8404 (real_onep): Likewise.
8405 (real_twop): Likewise.
8406 (real_minus_onep): Likewise.
8407 (int_size_in_bytes): Likewise.
8408 (host_integerp): Likewise.
8410 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8412 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8413 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8414 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8416 * tree-ssa-structalias.h (alias_info): Remove num_references.
8418 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8420 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8421 (output_bvb patterns): Likewise.
8422 * pa.c (output_bb): Use 'bb' insn for long branch case.
8423 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8424 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8425 1. Correct length operand for alternatives 1 and 2.
8426 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8427 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8429 2006-04-14 Roger Sayle <roger@eyesopen.com>
8431 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8432 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8433 were accidentally reverted by r112959.
8435 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8438 * except.h (eh_region_outermost): New prototype.
8439 * except.c (eh_region_outermost): New function.
8440 * tree-cfg.c (find_outermost_region_in_block): Use it.
8442 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8444 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8446 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8447 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8448 (init_reload, reload): Use VEC instead of VARRAY.
8449 * reload.h: Update the prototype for
8450 reg_equiv_memory_loc_varray.
8452 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8453 Eric Botcazou <ebotcazou@libertysurf.fr>
8455 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8458 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8461 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8462 to expand fallback builtin function call.
8464 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8467 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8468 and emit libcall here in case the builtin fails.
8469 (expand_builtin_strcmp): Always emit the libcall here on failure.
8471 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8473 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8474 * flow.c (reg_n_info): Change the type to
8475 VEC(reg_info_p,heap) *.
8476 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8478 * regs.h (reg_info_p): New.
8479 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8480 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8481 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8484 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8486 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8488 * params.h (MAX_SCHED_READY_INSNS): New macro.
8489 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8490 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8491 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8492 the ready list for 1 cycle during the first scheduling pass.
8493 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8495 2006-04-13 Richard Henderson <rth@redhat.com>
8498 * gimple-low.c (lower_omp_directive): Remove dead code.
8499 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8500 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8501 * omp-low.c (struct omp_region): Move to tree-flow.h.
8502 (root_omp_region): Export.
8503 (omp_regions, lookup_omp_region): Remove.
8504 (determine_parallel_type): Update for struct omp_region changes.
8505 (dump_omp_region): Dump regions with block numbers.
8506 (new_omp_region): Take type and block instead of stmt; malloc
8508 (free_omp_region_1, free_omp_regions): New.
8509 (expand_parallel_call): Take entry_stmt as argument; update for
8510 changes to omp_region.
8511 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8512 (remove_exit_barriers): New.
8513 (expand_omp_parallel): Update for struct omp_region changes.
8514 (expand_omp_synch): Likewise.
8515 (expand_omp): Likewise.
8516 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8517 (expand_omp_for_static_chunk): Likewise.
8518 (expand_omp_for): Likewise.
8519 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8520 (expand_omp_sections): Similarly, with GOMP_sections_end.
8521 (expand_omp_single): New.
8522 (build_omp_regions_1): Update for OMP_CONTINUE.
8523 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8524 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8525 OMP_SECTIONS_SECTIONS.
8526 (lower_omp_single_simple): Don't emit barrier here.
8527 (lower_omp_single_copy): Likewise.
8528 (lower_omp_single): Fix bindings, and lower to straightline now.
8529 (lower_omp_master, lower_omp_ordered): Likewise.
8530 (lower_omp_critical): Likewise.
8531 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8532 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8533 omp edges, free it afterward.
8534 (make_omp_sections_edges): Remove.
8535 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8536 (move_stmt_r): Handle OMP_CONTINUE.
8537 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8538 statement pointers to basic blocks. Add type member.
8539 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8540 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8541 * tree-inline.c (estimate_num_insns_1): Likewise.
8542 * tree-pretty-print.c (dump_generic_node): Likewise.
8543 * tree-ssa-operands.c (get_expr_operands): Likewise.
8544 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8545 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8546 (OMP_CONTINUE): New.
8547 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8548 (OMP_SECTIONS_SECTIONS): Remove.
8549 (OMP_SECTION_LAST): New.
8550 (OMP_RETURN_NOWAIT): New.
8552 2006-04-13 Roger Sayle <roger@eyesopen.com>
8554 * fold-const.c (native_encode_vector, native_interpret_real):
8555 Correct obvious mistakes in the previous check-in.
8557 2006-04-13 Roger Sayle <roger@eyesopen.com>
8559 * fold-const.c (native_encode_expr): New function to encode
8560 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8561 or VECTOR_CST into a specified buffer.
8562 (native_encode_int): New function.
8563 (native_encode_real): New function.
8564 (native_encode_complex): New function.
8565 (native_encode_vector): New function.
8566 (native_interpret_expr): Inverse of native_encode_expr to convert
8567 a target representation into an INTEGER_CST, REAL_CST etc...
8568 (native_interpret_int): New function.
8569 (native_interpret_real): New function.
8570 (native_interpret_complex): New function.
8571 (native_interpret_vector): New function.
8572 (fold_view_convert_expr): New function to constant fold/evaluate
8573 a VIEW_CONVERT_EXPR of a suitable constant expression.
8574 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8575 Change call of build1 to fold_build1 when constructing a
8578 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8579 Ulrich Weigand <uweigand@de.ibm.com>
8582 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8585 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8588 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8589 optimize to lo_sum for DFmode if !TARGET_FPRS.
8591 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8593 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8594 delete_alias_info, compute_flow_sensitive_aliasing,
8595 group_aliases): Use VEC instead of VARRAY.
8596 * tree-ssa-structalias.c (update_alias_info): Likewise.
8597 * tree-ssa-structalias.h (alias_info): Change the type of
8598 processed_ptrs to VEC(tree,heap) *.
8600 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8603 * config/sh/lib1funcs.h: New file, broken out of:
8604 * config/sh/lib1funcs.asm.
8605 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8607 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8608 * config/sh/lib1funcs-Os-4-200.asm: New file.
8609 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8610 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8611 (EXTRA_MULTILIB_PARTS): Include it.
8612 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8613 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8614 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8615 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8618 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8620 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8621 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8622 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8624 * tree-ssa-live.h: Include vecprim.h.
8625 (tree_partition_associator_d): Change the type of
8626 first_partition to VEC(int,heap) *.
8627 (tpa_first_partition): Use VEC instead of VARRAY.
8629 * Makefile.in (GTFILES): Move functions.h after tree.h.
8630 * function.c (reset_block_changes, record_block_change,
8631 check_block_change, free_block_changes): Use VEC instead of
8633 * function.h (function): Change the type of
8634 ib_boundaries_block to VEC(tree,gc) *.
8635 * tree-inline.c (copy_cfg_body): Initialize
8636 ib_boundaries_block to NULL instead of (varray_type) 0.
8638 2006-04-12 Roger Sayle <roger@eyesopen.com>
8640 * expr.c (emit_group_store): Correct operand order in call to
8641 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8642 a SUBREG_BYTE of zero.
8644 2006-04-12 Richard Guenther <rguenther@suse.de>
8646 * profile.c (compute_branch_probabilities): Remove code
8647 encapsulated in !ir_type (), which are remanents of the
8648 removed RTL profiling code.
8649 * rtl-profile.c: Remove.
8651 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8653 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8654 magic NULL_RTX comment.
8655 (function_arg): Store entire fp arg to mem if any part should go
8657 (rs6000_arg_partial_bytes): Adjust for above change.
8659 2006-04-11 Roger Sayle <roger@eyesopen.com>
8661 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8662 if it hasn't been initialized by dwarf2out_init.
8664 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8666 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8667 symbolic constants in branch patterns.
8669 2006-04-11 Roger Sayle <roger@eyesopen.com>
8671 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8673 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8675 PR rtl-optimization/27073
8676 * gcse.c (try_replace_reg): Revert last change. Continue to search
8677 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8680 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8682 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8683 aggregate types other than record and union types.
8684 (function_arg): Likewise.
8685 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8687 (function_value): In 64-bit mode, return objects that require it
8690 2006-04-11 Roger Sayle <roger@eyesopen.com>
8692 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8694 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8696 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8698 2006-04-03 Jeff Law <law@redhat.com>
8701 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8702 alias information too.
8704 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8706 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8708 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8711 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8712 (premark_used_types_helper): New.
8713 (premark_used_types): New.
8714 (gen_subprogram_die): Call premark_used_types.
8715 (prune_unused_types_walk): Do not prune perennial dies.
8716 * function.c (used_types_insert): New.
8717 * function.h (struct function): Add used_types_hash field.
8718 (used_types_insert): Add prototype.
8719 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8720 * c-parser.c (c_parser_cast_expression): Save casted types in used
8723 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8726 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8727 rs6000_explicit_options.float_gprs.
8729 2006-04-10 Roger Sayle <roger@eyesopen.com>
8731 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8732 from ix86_expand_vector_init_low_nonzero. Take an additional
8733 one_var argument indicating which element is non-zero. Support
8734 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8735 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8736 with one_var instead of ix86_expand_vector_init_low_nonzero.
8738 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8740 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8741 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8742 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8743 build/genextract.o): Depend on vecprim.h.
8744 * cfglayout.c, df-problems.c, function.c, genextract.c,
8745 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8746 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8750 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8752 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8753 Declare VECs of this type.
8754 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8755 (remove_children): Delete.
8756 (add_dwarf_attr): Use VEC routines.
8757 (add_AT_flag): Update for changes to add_dwarf_attr.
8758 (add_AT_int): Likewise.
8759 (add_AT_unsigned): Likewise.
8760 (add_AT_long_long): Likewise.
8761 (add_AT_vec): Likewise.
8762 (add_AT_string): Likewise.
8763 (add_AT_die_ref): Likewise.
8764 (add_AT_fde_ref): Likewise.
8765 (add_AT_loc): Likewise.
8766 (add_AT_loc_list): Likewise.
8767 (add_AT_addr): Likewise.
8768 (add_AT_lbl_id): Likewise.
8769 (add_AT_lineptr): Likewise.
8770 (add_AT_macptr): Likewise.
8771 (add_AT_offset): Likewise.
8772 (add_AT_range_list): Likewise.
8773 (get_AT): Use VEC_iterate.
8774 (remove_AT): Use VEC_ordered_remove.
8775 (free_die): Fold remove_children into here; have it use VEC_iterate.
8776 (print_die): Use VEC_iterate on attrs.
8777 (reverse_die_lists): Don't reverse attr lists.
8778 (die_checksum): Use VEC_iterate on attrs.
8779 (same_die_p): Likewise.
8780 (output_location_lists): Likewise.
8781 (build_abbrev_table): Likewise.
8782 (size_of_die): Likewise.
8783 (unmark_all_dies): Likewise.
8784 (output_abbrev_section): Likewise.
8785 (output_die): Likewise.
8786 (prune_unused_types_walk_attribs): Likewise.
8788 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8790 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8792 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8795 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8797 2006-04-09 Roger Sayle <roger@eyesopen.com>
8799 * expr.c (store_constructor): Don't bother clearing target if
8800 we're about to assign a vector to it using vec_init_optab.
8802 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8804 * tree-ssa-alias.c (lhs_may_store_to): New function.
8805 (recalculate_used_alone): Handle LHS of calls.
8807 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8811 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8812 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8813 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8814 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8815 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8816 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8817 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8818 stubs. Add ".align 8" directives before all ".dword" directives.
8819 (GTHREAD_USE_WEAK): Revise comment.
8820 (TARGET_ATTRIBUTE_WEAK): Define.
8821 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8822 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8823 * stublib.c: New file.
8828 * pa.md (cbranch patterns): Revise arguments used in calls to
8829 output_cbranch, output_bb and output_bvd. Add long branch length
8831 (fbranch patterns): Handle long branches.
8832 (jump): Revise length check. Revise arguments for output_lbranch call.
8833 Add long branch length attributes.
8834 (decrement_and_branch_until_zero): Add long branch length attributes.
8835 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8836 Likewise. Revise arguments for output_parallel_addb and
8837 output_parallel_movb calls.
8838 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8839 output_parallel_movb and output_parallel_addb): Update prototypes.
8840 * pa.c (output_cbranch): Revise arguments. Correct handling of
8841 nullification in long branches.
8842 (output_lbranch): Add new argument to control extraction of delay
8844 (output_bb): Handle long branches.
8845 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8846 output_parallel_addb): Likewise.
8848 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8850 PR rtl-optimization/27073
8851 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8854 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8856 * tree.h (tree_memory_tag): Add old_used_alone.
8857 (SMT_OLD_USED_ALONE): New macro.
8858 * tree-ssa-alias.c (recalculate_used_alone): Stop
8859 marking things for renaming unnecessarily.
8861 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8863 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8864 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8865 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8866 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8867 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8868 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8869 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8870 spelling convensions.
8871 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8872 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8873 typos. Follow spelling conventions.
8875 2006-04-07 DJ Delorie <dj@redhat.com>
8877 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8878 passed on the stack.
8879 (m32c_init_cumulative_args): When a function returns a structure,
8880 always pass the pointer to that return area on the stack.
8881 (m32c_function_arg_advance): Don't increment the parameter number
8882 if we're processing the returned structure pointer.
8883 (pushm_info): Reverse order of registers.
8885 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8887 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8888 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8889 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8890 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8892 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8893 chrec_fold_multiply): Same.
8894 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8895 force_expr_to_var_cost): Same.
8896 * tree-mudflap.c (mf_xform_derefs_1): Same.
8897 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8899 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8901 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8902 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8905 2006-04-07 Jan Hubicka <jh@suse.cz>
8907 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8909 2006-04-07 Richard Guenther <rguenther@suse.de>
8911 PR tree-optimization/26135
8912 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8913 loads for store copy-prop.
8914 (copy_prop_visit_stmt): Likewise.
8916 2006-04-05 Robert Millan <robertmh@gnu.org>
8918 * config/i386/linux.h: Add a comment to mark macros that are
8919 being overriden in config/k*bsd-gnu.h.
8920 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8922 * config/knetbsd-gnu.h: Ditto.
8924 2006-04-06 Jan Hubicka <jh@suse.cz>
8928 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8931 2006-04-06 Mike Stump <mrs@apple.com>
8933 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8934 for HAVE_nonlocal_goto to be consistent.
8935 (expand_builtin_nonlocal_goto): Likewise.
8936 (expand_builtin_strcmp): Use #ifdef instead of #if
8937 for HAVE_cmpstrnsi to be consistent.
8939 2006-04-05 DJ Delorie <dj@redhat.com>
8941 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8944 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8946 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8947 got-relative addressing for anything but SImode.
8949 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8950 even if the calling function doesn't modify them.
8952 2006-04-05 Richard Guenther <rguenther@suse.de>
8954 PR tree-optimization/26919
8955 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8956 to cgraph_estimate_size_after_inlining.
8958 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8960 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8962 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8964 PR tree-optimization/26996
8965 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8966 VECTOR_TYPE variables.
8968 2006-04-05 Richard Guenther <rguenther@suse.de>
8970 PR tree-optimization/26763
8971 * fold-const.c (fold_comparison): Move folding of
8972 PTR + CST CMP PTR + CST ...
8973 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8975 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8977 * doc/install.texi (Prerequisites): Refine some wording on
8978 bootstrapping and ksh.
8979 Move the version numbers of DejaGnu here from the testing section
8980 and fix casing of names.
8981 Fix markup and clarify wording for autogen requirements.
8982 Refer to GCJ instead of just java.
8983 Refer to SVN instead of CVS.
8984 Describe diffutils as useful instead of necessary.
8985 (Downloading the source): Refer to SVN instead of CVS.
8986 Adjust a link to our web site accordingly.
8987 (Configuration): Fix casing of Bison.
8988 (Building): Refer to SVN instead of CVS.
8989 Fix a sentence on the use of Bison and remove duplicate (and
8990 incorrect) version number of Bison requirement.
8991 Remove one redundant list of packages needed for building.
8992 (Specific): Avoid reference to CVS.
8994 2006-04-04 Eric Christopher <echristo@apple.com>
8996 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8997 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8998 (rs6000_handle_struct_attribute): New.
8999 (rs6000_ms_bitfield_layout_p): Ditto.
9001 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9003 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9004 NULL for dso parameter to atexit_common.
9006 2006-04-04 Eric Christopher <echristo@apple.com>
9008 * config/i386/i386.c (machopic_output_stub): Output \t
9009 between instructions and operands.
9011 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9013 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9014 satisfies_constraint_[IL] to explicit tests on value.
9016 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9018 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9019 set_nb_iterations_in_loop): Use build_int_cst instead of
9021 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9022 build_int_cst instead of convert.
9024 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9026 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9027 new value 2 for incoming.
9028 * function.c (expand_function_start): Call struct_value_rtx
9030 * config/sparc/sparc.md: Comment updated_return.
9031 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9032 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9033 struct return if sparc_std_struct_return and incoming is 2.
9034 (print_operand): Do not adjust return if
9035 sparc_std_struct_return.
9037 2006-04-04 Roger Sayle <roger@eyesopen.com>
9039 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9040 convert in the middle-end.
9041 * expr.c (store_expr, store_constructor, get_inner_reference,
9042 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9044 * tree.c (build_range_type): Likewise.
9046 2006-04-04 Tom Tromey <tromey@redhat.com>
9048 * doc/install.texi (Prerequisites): Mention jar.
9050 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9052 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9055 2006-04-04 Matthias Klose <doko@debian.org>
9057 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9061 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9064 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9066 * doc/extend.texi (Function Attributes): Rewrite visibility
9067 attribute documentation.
9068 * doc/invoke.texi (C++ Dialect Options): Rewrite
9069 -fvisibility-inlines-hidden documentation to describe something
9070 entirely different, although in practise compatible.
9071 (Code Gen Options): Warn about system headers in -fvisibility=
9074 * doc/extend.texi (Other Builtins): Document that
9075 __builtin_nan is a compile-time constant only when its argument
9078 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9080 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9081 trying to remove TRUNCATE check if all bits outside the new mode
9082 are identical to the sign bit.
9084 2006-04-03 Jeff Law <law@redhat.com>
9086 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9087 and operand scanning in some common cases.
9089 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9090 Dale Johannesen <dalej@apple.com>
9093 * regclass.c (struct reg_pref): Update documentation.
9094 (regclass): Set prefclass to NO_REGS if memory is the best option.
9095 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9096 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9097 into account. For non-registers, equate an empty preferred
9098 reload class to a `!' in the constraint; move the if clause to
9099 do so after those that reject the insn.
9100 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9102 (find_dummy_reload): Likewise.
9103 * doc/tm.texi (Register Classes): Document what it means
9104 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9105 * config/i386/i386.c (ix86_preferred_reload_class): Force
9106 using SSE registers (and return NO_REGS for floating-point
9107 constants) if math is done with SSE.
9108 (ix86_preferred_output_reload_class): New.
9109 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9110 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9111 * config/i386/i386.md: Remove # register preferences.
9113 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9116 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9117 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9118 the type of nb_iter.
9119 (instantiate_parameters_1): Convert the operands before calling
9120 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9121 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9123 2006-04-02 Roger Sayle <roger@eyesopen.com>
9125 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9126 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9128 * dojump.c (do_jump): Likewise.
9129 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9130 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9131 gimplify_boolean_expr): Likewise.
9132 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9133 * varasm.c (array_size_for_constructor): Likewise.
9134 * tree-object-size.c (compute_object_offset): Likewise.
9136 2006-04-02 Roger Sayle <roger@eyesopen.com>
9139 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9140 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9142 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9144 PR tree-optimization/26939
9145 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9147 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9149 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9150 at_stmt. Convert the type of operands before calling
9151 build_polynomial_chrec.
9152 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9154 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9155 (instantiate_parameters_1): Convert the type of operands before calling
9156 build_polynomial_chrec.
9157 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9158 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9159 reset_evolution_in_loop): Insert asserts to check the types of the
9161 (chrec_type): Moved...
9162 (eq_evolutions_p): Use operand_equal_p.
9163 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9164 the types of the operands.
9165 (chrec_type): ...here.
9166 * tree-data-ref.c (create_data_ref): Convert the operands before
9167 calling chrec_replace_initial_condition.
9168 (same_access_functions, analyze_subscript_affine_affine,
9169 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9170 (compute_subscript_distance, analyze_ziv_subscript,
9171 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9172 analyze_miv_subscript): Convert the operands before calling
9173 chrec_fold_minus or chrec_fold_plus.
9175 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9177 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9178 the dependence_relations vector.
9179 (compute_data_dependences_for_loop): Adjust call to
9180 compute_all_dependences.
9182 2006-04-01 Roger Sayle <roger@eyesopen.com>
9183 Richard Henderson <rth@redhat.com>
9185 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9186 gimple_boolify on the condition before calling gimplify_expr.
9188 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9190 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9191 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9192 the frame size. Update to use the new macros.
9193 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9194 * config/xtensa/ieee754-df.S: Likewise.
9196 2006-03-31 Richard Henderson <rth@redhat.com>
9198 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9199 (make_edges): ... here. Control fallthru creation with a local
9200 variable. Do not play with fake edges.
9201 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9202 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9205 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9207 * dwarf2.h (DW64_CIE_ID): Define.
9208 * dwarf2out.c (DWARF_CIE_ID): Define.
9209 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9210 length header. Use DWARF_CIE_ID.
9211 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9212 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9214 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9216 * config/sh/linux-atomic.asm: New file.
9217 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9219 2006-03-31 DJ Delorie <dj@redhat.com>
9221 * config/m32c/cond.md: Set condition flags properly throughout.
9222 * config/m32c/minmax.md: Likewise.
9223 * config/m32c/prologue.md: Likewise.
9224 * config/m32c/bitops.md: Likewise.
9225 * config/m32c/muldiv.md: Likewise.
9226 * config/m32c/mov.md: Likewise.
9227 * config/m32c/addsub.md: Likewise.
9228 * config/m32c/m32c.md: Likewise.
9229 * config/m32c/jump.md: Likewise.
9230 * config/m32c/shift.md: Likewise.
9232 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9233 conditionally output the pattern for this.
9234 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9235 (m32c_compare_redundant): New.
9236 (m32c_output_compare): New.
9237 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9239 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9240 dest, not src. Allow other 4-byte modes.
9242 2006-03-30 Denis Chertykov <denisc@overta.ru>
9244 * doc/md.texi: Refer to avr/constraints.md instead of
9247 2006-03-30 Roger Sayle <roger@eyesopen.com>
9249 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9250 signed vs. unsigned comparison failures on some hosts.
9252 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9255 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9256 change to FLOAT_REGS.
9258 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9259 (rs6000_override_options): Use it.
9260 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9261 only for -mabi=spe/no-spe and -mabi=altivec.
9263 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9265 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9268 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9270 * Makefile.in: Rename docdir to gcc_docdir.
9272 2006-03-30 Roger Sayle <roger@eyesopen.com>
9275 * expr.c (emit_group_store): Optimize group stores into a pseudo
9276 register by using a paradoxical subreg to initialize the destination
9277 if the first or last member of the group specifies a "low part".
9279 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9282 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9283 * target.h (struct gcc_target.speculate_insn): Change type of the
9284 second parameter to 'int'.
9285 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9286 the second operand of the DEPS_LIST.
9287 (copy_DEPS_LIST_list): Update reference to the second operand of the
9289 * rtl.h (alloc_DEPS_LIST): Update signature.
9290 * sched-int.h (ds_t): Change typedef to 'int'.
9291 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9293 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9295 * haifa-sched.c (try_ready): Change condition to restore
9296 non-speculative pattern of the instruction.
9297 (process_insn_depend_be_in_spec): Code to keep probability of the
9298 speculative dependence non-decreasing.
9300 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9302 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9303 (single_move_for_movmem): ... this. Also change all uses.
9304 (bfin_expand_strmov): Renamed to...
9305 (bfin_expand_movmem): ... this. Also change all uses.
9306 * config/bfin/bfin.md (movstrsi): Renamed to...
9307 (movstrsi): ...this.
9309 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9311 PR tree-optimization/26830
9313 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9314 (copy_prop_visit_stmt): Remove write-only variable ann.
9315 (init_copy_prop): Check variable loop depth here. Do not simulate
9316 memory-tag and virtual operand PHIs except for store copy prop.
9318 2006-03-30 Richard Guenther <rguenther@suse.de>
9320 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9321 variants with double arguments.
9323 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9325 * genpreds.c (write_tm_constrs_h): Delete variable p.
9326 * genconditions.c (write_header): Add tm-constrs.h to included
9328 * genpeep.c (main): Add toplev.h to included headers.
9329 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9330 (build/genpeep.o): Add toplev.h dependency.
9331 * config/rs6000/constraints.md: Add "W" constraint.
9333 2006-03-29 Roger Sayle <roger@eyesopen.com>
9335 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9336 sizes by correctly testing whether the size fits a host integer.
9337 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9338 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9339 SImode range for the default sizetype and bitsizetype.
9341 2006-03-29 Roger Sayle <roger@eyesopen.com>
9343 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9344 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9345 quickly if the argument is already of the correct type.
9346 Call fold_build1 instead of build1. Tidy up blank lines.
9348 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9350 * genemit.c (main): Add tm-constrs.h to included headers.
9351 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9352 * genpeep.c (main): Add tm-constrs.h to included headers.
9353 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9354 (write_tm_constrs_h): this and write complete file.
9355 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9356 (write_insn_preds_c): Add tm-constrs.h to included headers.
9357 (gen_constrs): New variable.
9358 (parse_option): Parse "-c".
9359 (main): Invoke write_tm_constrs_h.
9360 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9361 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9362 (object_out_file): Add tm-constrs.h dependency.
9363 (insn-emit.o): Same.
9364 (insn-output.o): Same.
9365 (insn-peep.o): Same.
9366 (insn-preds.o): Same.
9367 (insn-recog.o): Same.
9368 (tm-constsr.h): New target.
9369 (s-constrs-h): New target.
9371 * config/rs6000/constraints.md: New file.
9372 * config/rs6000/rs6000.c: Include tm-constrs.h.
9373 (num_insn_constant_wide): Convert to satisfies_constraint.
9374 (rs6000_rtx_costs): Convert to satisfies_constraint.
9375 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9376 (CONST_OK_FOR_LETTER_P): Delete.
9377 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9378 (EXTRA_CONSTRAINT): Delete.
9379 (EXTRA_MEMORY_CONSTRAINT): Delete.
9380 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9381 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9382 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9383 satisfies_constraint.
9385 * config/i386/i386.c: Include tm-constrs.h.
9387 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9389 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9390 * tree-data-ref.c (find_data_references_in_loop,
9391 compute_data_dependences_for_loop): Use pointers to VEC.
9392 (analyze_all_data_dependences): Adjust calls.
9393 * tree-data-ref.h (find_data_references_in_loop,
9394 compute_data_dependences_for_loop): Adjust declarations.
9395 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9396 compute_data_dependences_for_loop.
9398 2006-03-29 Paul Brook <paul@codesourcery.com>
9400 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9403 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9405 PR tree-optimization/26859
9406 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9408 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9409 for the step after fold_convert.
9411 2006-03-29 Paul Brook <paul@codesourcery.com>
9413 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9414 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9416 2006-03-29 Paul Brook <paul@codesourcery.com>
9419 * targhooks.c (default_narrow_bitfield): New fuction.
9420 * targhooks.h (default_narrow_bitfield): add prototype.
9421 * target.h (gcc_target): Add narrow_volatile_bitfield.
9422 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9423 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9424 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9425 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9427 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9429 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9431 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9432 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9433 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9434 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9435 (s390_function_arg_float): Allow SDmode and DDmode values to be
9436 passed in floating point registers.
9437 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9438 check with SCALAR_FLOAT_MODE_P.
9439 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9441 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9443 PR tree-optimization/25985
9444 * tree-ssa-loop-niter.c (number_of_iterations_le,
9445 number_of_iterations_ne): Make comments more precise.
9446 (number_of_iterations_cond): Add only_exit argument. Use the
9447 fact that signed variables do not overflow only when only_exit
9449 (loop_only_exit_p): New.
9450 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9451 number_of_iterations_cond.
9453 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9455 PR tree-optimization/26643
9456 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9459 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9461 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9462 (divsi3_i4_int): Likewise.
9464 2006-03-28 Roger Sayle <roger@eyesopen.com>
9466 * expr.c (emit_group_store): Only create a new pseudo reg if the
9467 quantity it needs to hold isn't already a suitable pseudo.
9469 2006-03-28 Jeff Law <law@redhat.com>
9471 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9472 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9474 2006-03-28 Roger Sayle <roger@eyesopen.com>
9476 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9477 the equivalent ~X & Y, and the symmetry related transformations.
9478 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9479 ~X & Y, and symmetry related transforms.
9481 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9483 Revert my 2006-03-27 patches.
9485 2006-03-28 Roger Sayle <roger@eyesopen.com>
9487 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9488 ~(T1)X, when T1 and T2 are integer types of the same precision
9489 and (T2)X isn't an extension.
9491 2006-03-28 Jeff Law <law@redhat.com>
9493 PR tree-optimization/26796
9494 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9495 need EH edge cleanups rather than purging them immediately.
9496 (eliminate_degenerate_phis): Handle queued EH cleanups.
9498 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9500 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9503 2006-03-27 Roger Sayle <roger@eyesopen.com>
9506 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9507 cast BIT_NOT_EXPR operand to the correct type.
9509 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9511 * tree-loop-linear.c: Don't include varray.h.
9512 (gather_interchange_stats, try_interchange_loops,
9513 linear_transform_loops): Use VEC instead of VARRAY.
9514 * lambda-mat.c: Don't include varray.h.
9515 * tree-chrec.c: Same.
9516 * lambda-trans.c: Same.
9517 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9518 VEC instead of VARRAY.
9519 * tree-vectorizer.h: Idem.
9520 * tree-data-ref.c (dump_data_references,
9521 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9522 initialize_data_dependence_relation, finalize_ddr_dependent,
9523 compute_all_dependences, find_data_references_in_loop,
9524 compute_data_dependences_for_loop, analyze_all_data_dependences,
9525 free_dependence_relation, free_dependence_relations,
9526 free_data_refs): Idem.
9527 * tree-data-ref.h (data_reference_p, subscript_p): New.
9528 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9529 VEC instead of VARRAY.
9530 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9531 (find_data_references_in_loop, compute_data_dependences_for_loop,
9532 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9533 dump_data_dependence_relations, free_dependence_relations,
9534 free_data_refs): Adjust declaration.
9535 (lambda_transform_legal_p): Move declaration here...
9536 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9537 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9538 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9539 vect_analyze_data_refs): Use VEC instead of VARRAY.
9540 * lambda.h (lambda_transform_legal_p): ...from here.
9541 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9542 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9543 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9544 tree-chrec.o): Don't depend on VARRAY_H.
9546 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9548 * rtl.def (Copyright): Update date.
9549 (DEPS_LIST): Change type of the second operand to 'int'.
9550 * target.h (Copyright): Update date.
9551 (struct gcc_target.speculate_insn): Change type of the second parameter
9553 * lists.c (Copyright): Update date.
9554 (alloc_DEPS_LIST): Change signature. Update reference to the second
9555 operand of the DEPS_LIST.
9556 (copy_DEPS_LIST_list): Update reference to the second operand of the
9558 * rtl.h (Copyright): Update date.
9559 (alloc_DEPS_LIST): Update signature.
9560 * sched-int.h (Copyright): Update date.
9561 (ds_t): Change typedef to 'int'.
9562 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9564 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9566 * haifa-sched.c (Copyright): Update date.
9567 (try_ready): Change condition to restore non-speculative pattern
9569 (process_insn_depend_be_in_spec): Code to keep probability of the
9570 speculative dependence non-decreasing.
9572 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9574 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9575 shut up the compiler.
9577 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9579 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9580 to use lib prefix for target.
9581 ($(T)libic_invalidate_array_4-200.a): Likewise.
9582 ($(T)libic_invalidate_array_4a.a): Likewise.
9584 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9585 J"orn Rennecke <joern.rennecke@st.com>
9587 * superh.opt: New file.
9588 * sh.c (boardtype, osruntime): Remove.
9589 * superh.h (SUBTARGET_OPTIONS): Remove.
9590 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9592 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9593 arguments with ^ and/or [].
9595 * config.gcc (sh-*-*): Add quoting to account for quirk of
9597 Replace == with = in enable_incomplete_targets test.
9599 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9600 with MASK_LITTLE_ENDIAN.
9602 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9603 * config/sh/sh.opt: Added to some comments.
9604 * config/sh/superh.h: Removed some chaff.
9606 * config/sh/sh.opt: Add m4-[1234]00* options.
9607 * config/sh/sh.c (sh_handle_option): Likewise.
9608 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9609 (ic_invalidate_array_4-100.o): New rule.
9610 ($(T)libic_invalidate_array_4-100.a): Likewise.
9611 (ic_invalidate_array_4-200.o): Likewise.
9612 ($(T)libic_invalidate_array_4-200.a): Likewise.
9613 (ic_invalidate_array_4a.o): Likewise.
9614 ($(T)libic_invalidate_array_4a.a): Likewise.
9615 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9616 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9618 * config/sh/crt1.asm: Merged in profiling code.
9619 * config/sh/superh.h (STARTFILE_SPEC): Override.
9620 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9621 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9622 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9624 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9625 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9626 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9628 * sh.opt (mpretend-cmove): New option.
9629 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9630 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9631 (movsicc): Add TARGET_PRETEND_CMOVE code.
9633 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9635 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9636 s390_class_max_nregs): New function prototypes.
9637 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9638 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9639 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9640 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9642 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9644 * dwarf2out.c (add_location_or_const_value_attribute): Call
9645 tree_add_const_value_attribute if nothing else works.
9646 (reference_to_unused): New.
9647 (rtl_for_decl_init): Use reference_to_unused to decide whether
9648 to output an initializer.
9650 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9653 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9654 peephole removing spe frob_di_df_2.
9656 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9658 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9659 (subscript_dependence_tester_1): Declared.
9660 (print_dir_vectors, print_dist_vectors): New.
9661 (debug_data_dependence_relation): New.
9662 (dump_data_dependence_relation): Print more details.
9663 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9664 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9665 (save_dist_v, save_dir_v, add_outer_distances,
9666 build_classic_dist_vector_1): New.
9667 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9668 Don't test for lambda_vector_lexico_pos.
9669 (same_access_functions, add_multivariate_self_dist,
9670 add_other_self_distances, dir_from_dist): New.
9671 (build_classic_dir_vector): Replace implementation almost identical to
9672 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9674 (subscript_dependence_tester_1): New.
9675 (subscript_dependence_tester): Handle the lexicographically negative
9676 distance vectors by recomputing the dependence relation.
9677 (compute_affine_dependence): Remove parameter loop_nest_depth.
9678 (compute_self_dependence): Don't call compute_subscript_distance.
9679 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9680 Add a parameter for the loop_nest.
9681 (find_loop_nest_1, find_loop_nest): New.
9682 (compute_data_dependences_for_loop): Compute the loop nest, and give
9683 up if the nest is not well formed.
9684 * tree-data-ref.h (loop_p): New.
9685 (struct data_dependence_relation): Replace size_vect field with
9686 loop_nest, a vec of loops.
9687 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9688 (DDR_LOOP_NEST): New.
9689 (print_dir_vectors, print_dist_vectors,
9690 debug_data_dependence_relation): Declared.
9691 (index_in_loop_nest): New.
9692 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9693 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9696 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9698 * simplify-rtx.c (simplify_relational_operation): Call
9699 simplify_relational_operation_1 even if mode is VOIDmode.
9701 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9703 PR tree-optimization/26804
9704 * tree.h (DECL_CALL_CLOBBERED): New macro.
9705 (tree_decl_common): Add call_clobbered_flag.
9706 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9707 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9708 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9709 (mark_non_addressable): Ditto.
9710 * tree-ssa.c (verify_call_clobbered): New function.
9711 (verify_alias_info): Use it.
9712 * tree-pass.h (pass_reset_cc_flags): New prototype.
9713 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9714 (reset_cc_flags): New function.
9715 * passes.c (init_optimization_passes): Call reset_cc_flags after
9716 initializing referenced_vars.
9718 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9719 Roger Sayle <roger@eyesopen.com>
9722 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9723 to 1.0 for non-real operands. Implement A / A optimization for
9726 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9728 * config/i386/i386.c (size_cost): Correct the comment for
9729 cost of storing fp registers.
9730 (i386_cost): Likewise.
9731 (i486_cost): Likewise.
9732 (pentium_cost): Likewise.
9733 (pentiumpro_cost): Likewise.
9734 (k6_cost): Likewise.
9735 (athlon_cost): Likewise.
9736 (k8_cost): Likewise.
9737 (pentium4_cost): Likewise.
9738 (nocona_cost): Likewise.
9739 (generic64_cost): Likewise.
9740 (generic32_cost): Likewise.
9742 2006-03-24 Denis Chertykov <denisc@overta.ru>
9744 * config/avr/avr-protos.h (extra_constraint): Delete.
9745 (extra_constraint_Q): New declaration.
9746 * config/avr/constraints.md: New file.
9747 * config/avr/avr.md: Include it.
9748 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9749 (TMP_REGNO, ZERO_REGNO): Likewise.
9750 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9751 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9752 (extra_constraint): Delete.
9753 (extra_constraint_Q): Test for memory constraint 'Q'.
9754 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9755 (REG_CLASS_FROM_LETTER): Delete.
9756 (CONST_OK_FOR_LETTER_P): Delete.
9757 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9758 (EXTRA_CONSTRAINT): Delete.
9759 (TMP_REGNO): Delete.
9760 (ZERO_REGNO): Delete.
9762 2006-03-24 Jeff Law <law@redhat.com>
9764 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9765 directly. Call mark_new_vars_to_rename slightly earlier.
9767 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9769 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9771 (gen_compile_unit_die): Use new language types for Objective-C and
9773 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9774 DW_LANG_C_plus_plus.
9777 * config/t-darwin (crt3.o): Work around bug 26840.
9778 * config/darwin-crt3.c: Rewrite.
9779 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9781 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9783 * doc/invoke.texi: Document -femit-class-debug-always
9784 * common.opt: Add -femit-class-debug-always.
9786 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9788 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9789 index and base register.
9790 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9791 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9792 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9793 REGNO_OK_FOR_INDEX_P.
9794 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9796 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9797 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9798 REG_OK_FOR_BASE_P): Definitions removed.
9800 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9803 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9804 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9805 set yet or weren't marked as local yet.
9807 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9809 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9812 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9814 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9815 (rs6000_legitimate_small_data_p): Delete.
9816 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9817 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9818 and make static. Add forward declaration. Update uses.
9819 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9820 of offsettable_memref_p.
9821 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9822 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9824 2006-03-24 Jeff Law <law@redhat.com>
9826 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9827 around bug in immediate-use iterator.
9829 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9832 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9833 or __LITTLE_ENDIAN__.
9835 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9837 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9838 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9839 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9840 * config/sh/sh.opt (mdiv=): Amend description.
9841 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9842 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9843 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9844 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9845 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9846 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9847 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9848 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9849 TARGET_DIVIDE_CALL_FP.
9851 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9853 * haifa-sched.c (choose_ready): Fix type of the local variable.
9854 Move local variables. Add comment.
9855 (check_reg_live): Change signature. Make callable from debugger.
9856 * sched-int.h (check_reg_live): Update signature.
9857 * sched-ebb.c (check_reg_live): Update parameters.
9858 * sched-rgn.c (check_reg_live): Ditto.
9859 (region_head_or_leaf_p): Check pointer before dereferencing.
9860 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9861 before reload on optimization levels below 1.
9863 2006-03-23 Richard Henderson <rth@redhat.com>
9865 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9869 * config/alpha/predicates.md (local_symbolic_operand): Reject
9872 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9875 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9876 expressions which have overflowed constants.
9878 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9880 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9882 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9884 * cfgloopmanip.c (create_loop_notes): Removed.
9885 * final.c (final_scan_insn): Do not handle loop notes.
9886 * jump.c (squeeze_notes): Ditto.
9887 * cfglayout.c (skip_insns_after_block,
9888 duplicate_insn_chain): Ditto.
9889 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9891 * cfgloop.h (create_loop_notes): Declaration removed.
9893 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9895 * varasm.c (output_constant_pool): Restore fnname and fndecl
9897 (assemble_start_function): Adjust call accordingly.
9898 (assemble_end_function): Likewise.
9900 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9903 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9906 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9908 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9911 * system.h (ICE_EXIT_CODE): New macro.
9912 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9913 (diagnostic_action_after_output): Likewise.
9914 * gcc.c (fatal_ice): New function.
9915 (execute): Use it instead of fatal.
9916 (fancy_abort): Likewise.
9917 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9919 2006-03-22 Jeff Law <law@redhat.com>
9921 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9922 iv_analyze_result returning false.
9924 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9926 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9928 2006-03-22 Richard Henderson <rth@redhat.com>
9931 * except.c (duplicate_eh_regions_0): New.
9932 (duplicate_eh_region_1): Duplicate the children of the node as
9933 well as the node itself. Link them up properly.
9934 (duplicate_eh_region_2): Merge into ...
9935 (duplicate_eh_regions): ... here. Take copy_region argument, and
9936 copy only a sub-tree if asked. Simplify copying and fixup.
9937 (eh_region_outer_p): New.
9938 * except.h (duplicate_eh_regions): Update decl.
9939 (eh_region_outer_p): Declare.
9940 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9941 (lower_omp_master): Likewise.
9942 (lower_omp_ordered): Likewise.
9943 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9944 (move_stmt_r): Use it to remap labels. Handle recursion vs
9945 remap_decls_p properly.
9946 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9947 (find_outermost_region_in_block): New.
9948 (new_label_mapper): New.
9949 (move_sese_region_to_fn): Copy eh information to the new function
9951 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9953 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9956 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9958 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9959 into shared libraries.
9961 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9963 * doc/md.texi: Refer to i386/constraints.md instead of
9965 * config/i386/constraints.md: New file, extracted from...
9966 * config/i386/predicates.md: ...here.
9967 * config/i386/i386.md: Include constraints.md.
9969 2006-03-21 Jason Merrill <jason@redhat.com>
9971 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9974 * expr.c (init_block_move_fn): Force default visibility.
9975 (init_block_clear_fn): Likewise.
9976 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9977 * targhooks.c (default_external_stack_protect_fail): Likewise.
9979 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9981 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9982 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9983 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9984 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9985 (loadgp): Use mips_current_loadgp_style.
9986 (loadgp_noshared): New pattern.
9987 (sibcall_internal): Use MIPS_CALL.
9988 (sibcall_value_internal): Likewise.
9989 (sibcall_value_multiple_internal): Likewise.
9990 (call_internal): Likewise.
9991 (call_value_internal): Likewise.
9992 (call_value_multiple_internal): Likewise.
9993 (call_split): Use MIPS_CALL and add an 'S' constraint.
9994 (call_value_split): Likewise.
9995 (call_value_multiple_split): Likewise.
9996 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9997 (-mshared): New option.
9998 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9999 (mips_current_loadgp_style): Declare.
10000 * config/mips/mips.c (mips_classify_symbol): Avoid using
10001 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10002 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10003 TARGET_ABSOLUTE_ABICALLS.
10004 (override_options): Adjust comments. Improve the warning that is
10005 issued when -mabicalls and -G are used together.
10006 (mips_file_start): Remove comment.
10007 (mips_current_loadgp_style): New function.
10008 (mips_gnu_local_gp): New variable.
10009 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10011 (mips_output_function_prologue): Use mips_current_laodgp_style.
10012 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10013 the cprestore instruction.
10014 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10015 live for TARGET_ABSOLUTE_ABICALLS.
10016 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10017 (ASM_SPEC): Pass down -mshared and -mno-shared.
10018 (MIPS_CALL): New macro.
10019 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10021 * doc/invoke.texi (-mabicalls): Update documentation.
10022 (-mshared): Document.
10024 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10026 * config/ia64/unwind-hpux.c: New file.
10027 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10029 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10032 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10034 2006-03-21 Jeff Law <law@redhat.com>
10036 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10037 type conversions of a VR_VARYING source to a wider type.
10039 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10041 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10042 tm_file on Solaris 10 and later.
10043 (sparc64-*-solaris2*): Likewise.
10044 (sparc-*-solaris2*): Likewise.
10045 * config/sol26.h: Rename to config/sol2-6.h.
10046 * config/sol2-10.h: New file.
10048 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10051 * tree-ssa-pre.c (create_component_ref_by_pieces):
10054 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10057 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10058 return it immediately.
10060 2006-03-21 Michael Matz <matz@suse.de>
10062 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10064 (remove_arc, add_arc): Update num_out_arcs member.
10065 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10067 (cache_presence): New function.
10068 (compare_states_for_equiv): New function.
10069 (state_is_differed): Don't take number of outargs, adjust callers.
10070 Use new invariant for speeding up.
10071 (init_equiv_class): Create initial classes based on sorted
10073 (partition_equiv_class): Don't track out_arcs_num.
10074 (evaluate_equiv_classes): Call cache_presence on all states and
10077 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10079 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10080 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10081 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10082 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10084 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10085 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10086 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10087 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10088 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10090 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10091 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10092 (REGNO_REG_CLASS): ARGP is in PREGS.
10093 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10095 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10096 to deal with those addresses.
10097 * addresses.h: New file.
10098 * caller-save.c: Include "addresses.h".
10099 (init_caller_save): Use new base_reg_class function.
10100 * rtl-factoring.c: Include "addresses.h".
10101 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10102 * recog.c: Include "addresses.h".
10103 (preprocess_constraints): Use new base_reg_class function.
10104 * regrename.c: Include "addresses.h".
10105 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10106 functions. Keep track of a new var INDEX_CODE to compute valid
10108 (replace_oldest_value_addr): Likewise.
10109 (replace_oldest_value_mem): Use base_reg_class.
10110 * reload.c: Include "addresses.h".
10111 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10112 (find_reloads): Use new base_reg_class function.
10113 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10114 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10115 all callers and prototype changed.
10116 * reload1.c: Include "addresses.h".
10117 (maybe_fix_stack_asms): Use base_reg_class.
10118 * regclass.c: Include "addresses.h".
10119 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10120 (init_reg_autoinc): Use new base_reg_class function.
10121 (record_reg_classes): Likewise.
10122 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10123 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10124 Use new args to compute necessary class.
10126 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10127 regrename.o, rtl-factoring.o): Update dependencies.
10128 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10129 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10130 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10131 REG_OK_FOR_INDEX_P): Delete documentation.
10133 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10135 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10136 from V7 to V9 for Solaris 7 and above.
10138 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10140 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10141 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10142 argument pointers may not alias any other storage.
10143 * common.opt: Define option -fargument-noalias-anything.
10144 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10145 alias semantics is specified by flag_argument_noalias > 2.
10147 2006-03-20 Jeff Law <law@redhat.com>
10149 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10150 (pass_phi_only_cprop): Declare.
10151 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10152 with phi_only_cprop
10153 * tree-ssa-dom.c (degenerate_phi_result): New function.
10154 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10155 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10156 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10157 (eliminate_degenerate_phis): Likewise.
10158 (pass_phi_only_cprop): New pass descriptor.
10159 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10160 support code. Callers updated.
10161 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10162 (store_copy_prop): Likewise.
10163 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10165 2006-03-20 Jason Merrill <jason@redhat.com>
10168 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10169 (push_visibility, pop_visibility): Likewise.
10170 * c-pragma.h: Declare them.
10172 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10174 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10176 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10177 parameter and use get_ebb_head_tail.
10178 (sh_md_init_global): Adjust uses of find_regmode_weight.
10180 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10182 * function.h (struct function) <x_tail_recursion_reentry>:
10183 Rename to x_stack_check_probe_note.
10184 (tail_recursion_reentry): Rename to stack_check_probe_note.
10185 * function.c: Replace tail_recursion_reentry with
10186 stack_check_probe_note everywhere.
10187 (expand_function_start): Only emit a note for
10188 stack_check_probe_note with -fstack-protect.
10189 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10191 * emit-rtl.c (remove_unnecessary_notes): Remove.
10192 (pass_remove_unnecessary_notes): Remove.
10193 * rtl.h (remove_unnecessary_notes): Remove prototype.
10194 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10195 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10196 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10198 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10201 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10202 (valid_in_set): Handle ARRAY_REF.
10203 Change "if min_variant or VH" to asserts.
10204 (create_component_ref_by_pieces): Handle ARRAY_REF.
10205 (create_expression_by_pieces): Likewise.
10206 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10208 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10210 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10211 is operand of switch, not str[0].
10213 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10215 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10216 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10218 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10220 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10221 end of insn_extra_address_constraint declaration.
10223 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10225 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10226 (no-sum-in-toc): Same.
10227 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10229 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10230 NO_FP_IN_TOC for -fPIC instead of mask.
10232 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10233 (BOOT_LDFLAGS): Delete.
10235 * config/rs6000/t-aix52: Same.
10237 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10238 (stmsi[345678]_power): New.
10240 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10242 * config/ia64/ia64.opt: Add empty line to end of file.
10244 2006-03-17 Richard Guenther <rguenther@suse.de>
10246 PR middle-end/26721
10247 * builtins.c (get_pointer_alignment): For component style references
10248 adjust alignment to the component type alignment. Make sure
10249 to adjust alignment for component access of constants.
10251 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10253 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10254 unconditional jump.
10256 2006-03-17 Paul Brook <paul@codesourcery.com>
10258 * doc/install.texi: Docuemnt --with-mode.
10259 * config.gcc: Add --with-mode for arm*-*-*.
10260 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10262 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10264 * sh.c (max_labelno_before_reorg): New variable.
10265 (sh_reorg): Initialize it.
10266 (find_barrier): Check max_labelno_before_reorg before using
10267 label_to_alignment. Take length of explicit alignment insns
10268 into account. When seeing a UNSPECV_CONST_END, return it.
10270 * sh.c (fixup_mova): Set mode of affected label to QImode.
10271 (untangle_mova): New function.
10272 (find_barrier): Use it. Check mode of label before decrementing
10274 (sh_reorg): Likewise.
10275 Set mode of all insns back to VOIDmode.
10277 * sh.c (MOVA_LABELREF): New macro.
10278 (mova_p, fixup_mova, sh_reorg): Use it.
10279 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10280 ADDR_DIFF_VEC matches mova.
10282 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10284 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10285 with ATTRIBUTE_UNUSED.
10287 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10289 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10290 pointer, instead of assuming it is possible to derive the
10291 correct args size from a call insn.
10293 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10295 * rtl.h (CONST_INT_P): Define.
10296 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10297 instead of GET_CODE(x) == CONST_INT.
10298 (vax_rtx_costs): Likewise.
10299 (vax_output_int_move): Likewise.
10300 (vax_output_int_add): Likewise.
10301 (legitimate_constant_address_p): Likewise.
10302 (index_term_p): Likewise.
10303 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10304 * config/vax/vax.md (and<mode>3): Likewise.
10305 (ashrsi3): Likewise.
10307 (movstricthi): Likewise.
10308 (movstrictqi): Likewise.
10309 (rotrsi3): Likewise.
10310 (five unnamed insns): Likewise.
10312 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10314 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10315 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10316 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10317 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10318 Pass to ASM_OUTPUT_DWARF_OFFSET.
10319 * dwarf2out.c (debug_frame_section): New.
10320 (output_call_frame_info): Use debug_frame_section. Pass it to
10321 dw2_asm_output_offset.
10322 (output_die): Pass appropriate section to dw2_asm_output_offset.
10323 (output_compilation_unit_header): Likewise.
10324 (output_pubnames): Likewise.
10325 (output_aranges): Likewise.
10326 (enum dw_val_class): Break dw_val_class_lbl_offset into
10327 dw_val_class_lineptr and dw_val_class_macptr.
10328 (add_AT_lbl_offset): Delete.
10329 (add_AT_lineptr): New.
10330 (add_AT_macptr): New.
10331 (AT_lbl): Expect a lineptr or macptr.
10332 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10333 (attr_checksum): Likewise.
10334 (same_dw_val_p): Likewise.
10335 (size_of_die): Likewise.
10336 (value_format): Likewise.
10337 (output_die): Likewise.
10338 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10340 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10341 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10342 * config/darwin-protos.h (darwin_file_start): New.
10343 (darwin_asm_output_dwarf_offset): New.
10344 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10345 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10347 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10348 if not EH section; simplify.
10349 (darwin_file_start): New.
10350 (darwin_asm_output_dwarf_offset): New.
10351 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10353 (DEBUG_INFO_SECTION): Likewise.
10354 (DEBUG_ABBREV_SECTION): Likewise.
10355 (DEBUG_ARANGES_SECTION): Likewise.
10356 (DEBUG_MACINFO_SECTION): Likewise.
10357 (DEBUG_LINE_SECTION): Likewise.
10358 (DEBUG_LOC_SECTION): Likewise.
10359 (DEBUG_PUBNAMES_SECTION): Likewise.
10360 (DEBUG_STR_SECTION): Likewise.
10361 (DEBUG_RANGES_SECTION): Likewise.
10362 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10363 (ASM_OUTPUT_DWARF_OFFSET): New.
10365 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10367 * config.gcc (tm_defines): Always add to previous value rather
10370 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10372 * config/mips/predicates.md (splittable_const_int_operand): New,
10373 split from move_operand.
10374 (splittable_symbolic_operand): New.
10375 (move_operand): Add commentary. Use splittable_const_int_operand.
10376 Inline mips_atomic_symbolic_constant_p.
10377 * config/mips/mips.md: Add combine splitters for handling moves
10378 of splittable_const_int_operands and splittable_symbolic_operands.
10379 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10380 (mips_split_symbol): Declare.
10381 (mips_move_integer): Declare.
10382 * config/mips/mips.c (mips_split_p): Make global.
10383 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10384 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10385 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10386 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10387 (mips_offset_within_object_p): Handle block symbols.
10388 (mips_atomic_symbolic_constant_p): Delete.
10389 (mips_cannot_force_const_mem): Return false for constants that
10390 mips_legitimize_move can handle.
10391 (mips_use_blocks_for_constant_p): New function.
10392 (mips_split_symbol): Make global.
10393 (mips_move_integer): Likewise. Add a temporary register argument.
10394 (mips_legitimize_const_move): Use splittable_const_int_operand and
10395 splittable_symbolic_operand.
10396 (mips_use_anchors_for_symbol_p): New function.
10397 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10398 (mips_split_p): Declare.
10400 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10402 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10403 (mips*-*-linux*): Likewise.
10405 2006-03-16 Roger Sayle <roger@eyesopen.com>
10406 Daniel Speyer <dspeyer@wam.umd.edu>
10408 PR middle-end/18259
10409 * tree-dump.c (dump_real): New function.
10410 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10411 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10412 (tree-dump.o): Add $(REAL_H) to the dependencies.
10414 2006-03-16 Roger Sayle <roger@eyesopen.com>
10416 PR middle-end/21781
10417 * real.c (real_from_string): If the mantissa is zero, don't bother
10418 parsing the exponent as the result should always be zero.
10420 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10422 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10424 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10426 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10427 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10428 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10429 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10430 ia64_sched_finish_global): New static functions to implement
10431 hooks from gcc_target.sched.
10432 (spec_check_no, max_uid, pending_data_specs): New static variables.
10433 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10434 ia64_spec_check_src_p): New static functions.
10435 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10436 (TARGET_SCHED_ADJUST_COST): Removed.
10437 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10438 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10439 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10440 TARGET_SCHED_GEN_CHECK,
10441 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10442 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10443 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10444 Fixed to handle speculation checks.
10445 (rtx_needs_barrier): Fixed to handle speculative loads and
10447 (ia64_variable_issue): Added code to count speculative loads and their
10449 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10451 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10453 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10455 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10456 (ia64_reorg): Reset stops_p to NULL after it is freed.
10457 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10458 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10459 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10461 (data_speculative, control_speculative, check_load): New attributes.
10462 (mov<mode>_advanced, mov<mode>_speculative,
10463 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10464 zero_extend<mode>di2_speculative,
10465 zero_extend<mode>di2_speculative_advanced): New patterns for
10466 data and control speculative loads.
10467 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10469 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10470 New pattern for data and control speculation checks.
10471 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10472 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10473 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10474 Auxiliary definitions for the patterns.
10475 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10476 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10478 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10480 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10481 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10482 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10483 New resource constraints.
10484 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10486 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10487 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10488 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10489 msched-in-control-spec, msched-ldc, msched-control-ldc,
10490 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10491 msched-prefer-non-control-spec-insns,
10492 msched-count-spec-in-critical-path): New flags to tune speculative
10494 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10495 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10496 msched-in-control-spec, msched-ldc, msched-control-ldc,
10497 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10498 msched-prefer-non-control-spec-insns,
10499 msched-count-spec-in-critical-path): Document new flags.
10501 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10503 * target.h (struct spec_info_def): New opaque declaration.
10504 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10505 speculate_insn, needs_block_p, gen_check,
10506 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10507 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10508 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10509 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10510 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10511 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10513 (TARGET_SCHED): Use new macros.
10514 * rtl.h (copy_DEPS_LIST_list): New prototype.
10515 * sched-int.h (struct sched_info): Change signature of new_ready field,
10516 adjust all initializations. New fields: add_remove_insn,
10517 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10518 region_head_or_leaf_p.
10519 (struct spec_info_def): New structure declaration.
10520 (spec_info_t): New typedef.
10521 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10522 recovery_block, orig_pat.
10523 (glat_start, glat_end): New variables declaraions.
10524 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10526 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10527 DETACH_LIFE_INFO, USE_GLAT.
10528 (enum SPEC_SCHED_FLAGS): New enumeration.
10529 (NOTE_NOTE_BB_P): New macro.
10530 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10531 attach_life_info, debug_spec_status, check_reg_live): New functions.
10532 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10533 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10535 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10536 * ddg.c (get_block_head_tail): Adjust all uses.
10537 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10538 (sms_sched_info): Initialize new fields.
10539 (contributes_to_priority): Removed.
10540 * haifa-sched.c (params.h): New include.
10541 (get_block_head_tail): Adjust all uses.
10542 (ISSUE_POINTS): New macro.
10543 (glat_start, glat_end): New global variables.
10544 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10545 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10546 old_last_basic_block, before_recovery, current_sched_info_var,
10547 rgn_n_insns, luid): New static variables.
10548 (insn_cost1): New function. Move logic from insn_cost to here.
10549 (find_insn_reg_weight1): New function. Move logic from
10550 find_insn_reg_weight to here.
10551 (reemit_notes, move_insn, max_issue): Change signature.
10552 (move_insn1): Removed.
10553 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10554 extend_bb): New static functions to support extension of scheduler's
10556 (generate_recovery_code, process_insn_depend_be_in_spec,
10557 begin_speculative_block, add_to_speculative_block,
10558 init_before_recovery, create_recovery_block, create_check_block_twin,
10559 fix_recovery_deps): New static functions to support
10560 generation of recovery code.
10561 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10562 restore_bb_notes, move_block_after_check, move_succs): New static
10563 functions to support ebb scheduling.
10564 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10565 functions to support handling of register live information.
10566 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10567 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10568 add_jump_dependencies): New static functions.
10569 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10570 consistancy checking.
10571 (debug_spec_status): New function to call from debugger.
10572 (priority): Added code to handle speculation checks.
10573 (rank_for_schedule): Added code to distinguish speculative instructions.
10574 (schedule_insn): Added code to handle speculation checks.
10575 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10576 Fixed to handle ebbs.
10577 (move_insn): Added code to handle ebb scheduling.
10578 (max_issue): Added code to use ISSUE_POINTS of instructions.
10579 (choose_ready): Added code to choose between speculative and
10580 non-speculative instructions.
10581 (schedule_block): Added code to handle ebb scheduling and scheduling of
10582 speculative instructions.
10583 (sched_init): Initialize new variables.
10584 (sched_finish): Free new variables. Print statistics.
10585 (try_ready): Added code to handle speculative instructions.
10586 * lists.c (copy_DEPS_LIST_list): New function.
10587 * sched-deps.c (extend_dependency_caches): New function. Move logic
10588 from create_dependency_caches to here.
10589 (get_dep_weak, ds_merge): Make global.
10590 * genattr.c (main): Code to output prototype for
10591 dfa_clear_single_insn_cache.
10592 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10593 (output_dfa_clean_insn_cache_func): Code to output
10594 dfa_clear_single_insn_cache function.
10595 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10597 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10599 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10600 New static variables.
10601 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10602 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10604 (ebb_sched_info): Initialize new fields.
10605 (get_block_head_tail): Adjust all uses.
10606 (compute_jump_reg_dependencies): Fixed to use glat_start.
10607 (schedule_ebb): Code to remove unreachable last block.
10608 (schedule_ebbs): Added code to update register live information.
10609 * sched-rgn.c (region_sched_info): Initialize new fields.
10610 (get_block_head_tail): Adjust all uses.
10611 (last_was_jump): Removed. Adjust users.
10612 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10613 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10614 Implement new hooks.
10615 (check_dead_notes1): New static function.
10616 (struct region): New fields: dont_calc_deps, has_real_ebb.
10617 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10618 (BB_TO_BLOCK): Fixed to handle EBBs.
10619 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10620 (ebb_head): New static variable.
10621 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10622 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10624 (compute_dom_prob_ps): New assertion.
10625 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10626 global_live_at_start.
10627 (init_ready_list): New assertions.
10628 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10629 (new_ready): Add support for BEGIN_CONTROL speculation.
10630 (schedule_insns): Fixed code that updates register live information
10632 (schedule_region): Fixed to handle EBBs.
10633 (init_regions): Use extend_regions and check_dead_notes1.
10634 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10635 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10636 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10637 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10638 TARGET_SCHED_GEN_CHECK,
10639 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10640 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10641 * doc/invoke.texi (max-sched-insn-conflict-delay,
10642 sched-spec-prob-cutoff): Document.
10644 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10646 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10647 inter_tick, queue_index.
10648 (struct sched_info): Change signature of init_ready_list field.
10649 Adjust all initializations.
10650 (RESOLVED_DEPS): New access macro.
10651 (ready_add): Remove prototype.
10652 (try_ready): Add prototype.
10653 * sched-rgn.c (init_ready_list): Use try_ready.
10654 (schedule_region): Initialize
10655 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10656 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10657 (init_ready_list): Use try_ready.
10658 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10659 * lists.c (remove_list_elem): Remove `static'.
10660 (remove_free_INSN_LIST_elem): New function.
10661 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10662 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10663 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10665 (readyp): New variable.
10666 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10667 change_queue_index, resolve_dep): New static functions.
10668 (try_ready): New function. Adjust callers in sched-rgn.c and
10669 sched-ebb.c to use it instead of ready_add.
10670 (clock_var): Move at the begining of file.
10671 (rank_for_schedule): Fix typo.
10672 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10673 (ready_lastpos): Enforce assertion.
10674 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10675 update all callers.
10676 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10677 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10678 (queue_to_ready): Use free_INSN_LIST_list.
10679 (early_queue_to_ready): Fix typo.
10680 (schedule_block): Init readyp. Move init_ready_list call after the
10681 initialization of clock_var. Fix error in rejecting insn by
10682 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10683 that previously corrected INSN_TICKs. Add code for handling
10685 (set_priorities): Fix typo.
10686 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10687 Clarify comment and code that keeps current_sched_info->next_tail
10690 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10692 * sched-rgn.c (extend_rgns): New static function.
10693 (find_rgns): Use it.
10694 (gather_region_statistics, print_region_statistics): New static
10696 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10697 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10699 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10700 Andrey Belevantsev <abel@ispras.ru>
10702 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10703 * lists.c (unused_deps_list): New variable.
10704 (free_list): Add assertions to verify the proper distinguishing
10705 between INSN_LISTs and DEPS_LISTs.
10706 (find_list_elem, remove_list_elem, remove_list_node): New static
10708 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10709 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10710 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10711 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10713 (free_INSN_LIST_node): Likewise.
10714 * modulo-sched.c (current_sched_info): Initialize flags field.
10715 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10716 * rtl.def (DEPS_LIST): Define.
10717 * rtl.h: Declare new functions from lists.c.
10718 * sched-deps.c (spec_dependency_cache): New static variable.
10719 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10720 (add_dependence): Change return type to void. Move the logic to ...
10721 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10722 (delete_all_dependences): Add comment about forward_dependency_cache.
10723 Handle spec_dependency_cache. Handle DEPS_LISTs.
10724 (fixup_sched_groups): Clarify the change of priority of output
10725 and anti dependencies.
10726 (sched_analyze_2): Adjust add_dependence calls to create data
10727 speculative dependence.
10728 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10729 Adjust all callers. Handle DEPS_LISTS.
10730 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10731 presence of speculation.
10732 (init_dependency_caches, free_dependency_caches):
10733 Handle spec_dependency_cache.
10734 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10735 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10736 New static functions.
10737 (add_or_update_back_dep, add_or_update_back_forw_dep,
10738 add_back_forw_dep, delete_back_forw_dep): New functions.
10739 * sched-int.h (ds_t, dw_t): New typedefs.
10740 (struct sched_info): Add new field flags.
10741 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10742 Prototype new sched-deps.c functions.
10743 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10744 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10745 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10746 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10747 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10748 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10750 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10752 * sched-rgn.c (current_sched_info): Initialize flags field.
10753 (schedule_insns): Initialize current_sched_info before the sched_init
10755 * sched-ebb.c (current_sched_info): Initialize flags field.
10756 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10757 Call add_or_update_back_dep instead of add_dependence.
10758 Create control speculative dependencies.
10759 (schedule_insns): Initialize current_sched_info before the sched_init
10762 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10764 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10766 (sh_fallback_frame_state): Likewise.
10768 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10770 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10771 Do switch on default_use_cxa_atexit.
10772 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10773 * config/darwin-crt3.o: New.
10774 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10775 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10776 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10778 * config/rs6000/t-darwin: Move crt2.o building to here.
10779 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10780 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10783 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10785 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10786 from '! xxx' to '!xxx' for coding-style conformance.
10787 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10788 (EXTRA_CONSTRAINT): Likewise.
10789 * config/vax/vax.md (four unnamed insns): Likewise.
10791 2006-03-15 Paul Brook <paul@codesourcery.com>
10793 * config/arm/arm.c (minipool_pad): New.
10794 (add_minipool_forward_ref): Include pool alignment padding in address
10796 (push_minipool_fix): Set minipool_pad.
10797 (minipool_pad): Ditto.
10799 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10801 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10802 instead of GET_CODE() == MEM and REG_P() instead of
10804 (print_operand_address): Likewise.
10805 (vax_address_cost): Likewise.
10806 (vax_rtx_costs): Likewise.
10807 (vax_notice_update_cc): Likewise.
10808 (vax_output_int_add): Likewise.
10809 (INDEX_REGISTER_P): Likewise.
10810 (BASE_REGISTER_P): Likewise.
10811 (nonindexed_address_p): Likewise.
10812 (vax_mode_dependent_address_p): Likewise.
10813 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10814 (PRINT_OPERAND): Likewise.
10815 * config/vax/vax.md (ashlsi3): Likewise.
10816 (ashlsi3): Likewise.
10817 (some more unnamed insns): Likewise.
10819 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10821 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10822 iterator-style macro.
10823 (mark_control_dependent_edges_necessary): Update the use of
10824 EXECUTE_IF_CONTROL_DEPENDENT.
10826 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10828 * config/sh/predicates.md (cache_address_operand): Special.
10829 (ua_address_operand): Likewise.
10831 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10833 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10835 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10837 2006-03-15 Andreas Schwab <schwab@suse.de>
10839 * gensupport.c (identify_predicable_attribute): Don't free p_false
10840 when it is still in use.
10842 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10844 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10845 the default setting here.
10847 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10849 * tree-pass.h (pass_cfg): Remove.
10850 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10851 * passes.c (pass_cfg): Don't run it.
10853 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10855 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10856 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10858 (stack_regs_mentioned): Update the uses of
10859 stack_regs_mentioned_data. Don't access the array beyond its
10861 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10862 Don't include gt-reg-stack.h.
10864 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10865 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10867 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10869 PR middle-end/26684
10870 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10873 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10875 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10877 2006-03-14 Richard Guenther <rguenther@suse.de>
10879 PR tree-optimization/26672
10880 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10883 2006-03-14 Richard Guenther <rguenther@suse.de>
10885 PR tree-optimization/26667
10886 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10887 node for the callees. Always allow inlining if it will shrink
10890 2006-03-14 Richard Guenther <rguenther@suse.de>
10892 PR middle-end/26659
10893 * builtins.c (get_pointer_alignment): Prefer alignment
10894 information from decls over that from types.
10896 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10899 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10901 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10903 * config/rs6000/rs6000.opt (mdlmzb): New option.
10904 (msched-prolog, msched-epilog): Use Var not Mask.
10905 * doc/invoke.texi (-mdlmzb): Document.
10906 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10908 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10909 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10911 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10913 PR rtl-optimization/25739
10914 * bt-load.c (augment_live_range): Free tos pointer.
10916 * gensupport.c (identify_predicable_attribute): Free
10918 * gcov.c (create_file_names): Free name pointer.
10920 2006-03-13 Roger Sayle <roger@eyesopen.com>
10922 PR middle-end/26557
10923 * stmt.c (emit_case_nodes): Handle the case where the index is a
10924 CONST_INT, where the comparison mode is specified by the index type.
10926 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10928 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10931 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10933 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10934 (*branch_fp_inverted): Likewise.
10936 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10938 PR middle-end/25989
10939 * omp-low.c (expand_omp_for_generic): Mark istart0
10940 and iend0 as addressable.
10942 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10944 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10946 2006-03-13 Jeff Law <law@redhat.com>
10948 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10949 virtual operands are interesting.
10950 (vrp_visit_stmt): Corresponding changes.
10952 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10954 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10956 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10957 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10958 * config/bfin/crti.S: Use it instead of __PIC__.
10959 * config/bfin/crtn.S: Likewise.
10961 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10962 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10964 Lose 'G' modifier for call operand.
10965 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10966 recognize 'G' modifier.
10968 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10970 PR middle-end/18859
10971 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10972 * stmt.c (expand_case): Likewise.
10974 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10976 PR rtl-optimization/26254
10977 * loop-invariant.c (seq_insns_valid_p): New function.
10978 (move_invariant_reg): Only emit new code if it is valid.
10980 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10982 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10984 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10985 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10986 (commit_one_edge_insertion): Do not look for loop notes.
10988 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10990 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10991 flag_test_coverage out of loop.
10993 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10995 * final.c (shorten_branches): Remove outdated comment, and turn
10996 the if branch that guards it to continue.
10998 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11000 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11001 * cfgloop.h (struct loop): Remove unused fields.
11003 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11005 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11006 (-dL, -fdump-rtl-loop2): Update the dump file names
11008 * doc/invoke.texi: Update dump file names.
11010 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11012 * predict.c (estimate_probability): Remove.
11013 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11014 * basic-block.h (estimate_probability): Remove prototype.
11015 * passes.c (finish_optimization_passes): Dump branch prediction or
11016 profiling heuristics to the .profile tree dump.
11017 (init_optimization_passes): Unqueue pass_branch_prob.
11019 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11021 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11023 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11024 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11026 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11028 * function.h (frame_offset_overflow): Declare.
11029 * function.c (frame_offset_overflow): New function.
11030 (assign_stack_local_1): Call it to detect that the offset overflows.
11031 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11033 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11035 * config/sh/sh.c: Include alloc-pool.h.
11036 (label_ref_list_pool): New alloc pool.
11037 (label_ref_list_t): New type for lists of labels.
11038 (struct pool_node): Make wend a label_ref_list_t.
11039 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11041 (dump_table): Likewise.
11042 (sh_reorg): Set up the alloc pool before using add_constant and
11043 dump_table, and destroy it when finishing.
11045 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11047 * config/mips/mips.c: Remove redundant comment.
11049 2006-03-10 Jason Merrill <jason@redhat.com>
11052 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11053 the target was declared 'register'.
11055 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11057 * genpreds.c (write_insn_constraint_len): Change definition of
11058 insn_constraint_len to return size_t to match the declaration.
11060 2006-03-10 DJ Delorie <dj@redhat.com>
11062 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11064 (m32c_expand_insv): Fix test for an AND mask.
11066 2006-03-10 Richard Guenther <rguenther@suse.de>
11068 PR middle-end/26565
11069 * builtins.c (get_pointer_alignment): Handle component
11070 references for field alignment.
11072 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11074 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11075 when building with libgloss.
11076 (sh*elf): Implement --without-fp option.
11077 (sh64-superh-linux*): Don't multilib.
11079 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11081 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11083 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11085 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11086 Set it when one of the replacement functions returned true.
11087 Return TODO_cleanup_cfg if cfgchanged is true.
11088 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11090 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11092 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11093 instead of gen_lowpart.
11095 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11097 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11099 (mips_output_order_conditional_branch): Declare.
11100 * config/mips/mips.h (MIPS_BRANCH): New macro.
11101 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11102 for the comparison. Use gen_condjump.
11103 (mips_output_conditional_branch): Rework interface to take the
11104 asm templates for a direct branch and the inverse of a direct branch.
11105 (mips_output_order_conditional_branch): New function.
11106 (mips_builtin_branch_and_move): New function.
11107 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11108 branch condition. Use gen_single_cc as the condition for
11109 __builtin_mips_upper_* or __builtin_mips_lower_*.
11110 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11111 Use VOIDmode for the branch condition.
11112 * config/mips/predicates.md (order_operator): New predicate.
11113 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11114 (branch_fp): Rename to...
11115 (*branch_fp): ...this. Remove mode from comparison operator.
11116 Use new mips_output_conditional_branch interface.
11117 (branch_fp_inverted): Rename to...
11118 (*branch_fp_inverted): ...this and update as for *branch_fp.
11119 (*branch_zero<mode>): Rename to...
11120 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11121 Use mips_output_order_conditional_branch. Only accept ordered
11123 (*branch_zero<mode>_inverted): Rename to...
11124 (*branch_order<mode>_inverted): ...this and update as for
11125 *branch_order<mode>.
11126 (*branch_equality<mode>): Accept zero as the second operand to
11127 the equality operator. Use the new mips_output_conditional_branch
11129 (*branch_equality<mode>_inverted): Likewise.
11130 (condjump): New expander.
11131 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11133 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11134 (bc1any2t, bc1any2f): Likewise.
11135 (single_cc): New expander.
11136 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11138 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11140 * doc/md.texi: Update documentation of MIPS constraints.
11141 * config/mips/constraints.md: New file.
11142 * config/mips/mips.md: Include it.
11143 * config/mips/mips.c (mips_char_to_class): Delete.
11144 (override_options): Don't initialize mips_char_to_class.
11145 * config/mips/mips.h (mips_char_to_class): Delete.
11146 (REG_CLASS_FROM_LETTER): Delete.
11147 (CONST_OK_FOR_LETTER_P): Delete.
11148 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11149 (EXTRA_CONSTRAINT_Y): Delete.
11150 (EXTRA_CONSTRAINT_STR): Delete.
11151 (CONSTRAINT_LEN): Delete.
11152 (EXTRA_MEMORY_CONSTRAINT): Delete.
11154 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11156 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11157 original fn's eh regions.
11159 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11161 * fold-const.c (build_range_check): Make sure to use a valid type to
11162 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11165 (range_predecessor): New static function.
11166 (range_successor): Likewise.
11167 (merge_ranges): Use them to compute predecessors and successors of
11170 2006-03-09 Roger Sayle <roger@eyesopen.com>
11172 PR middle-end/26561
11173 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11174 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11176 2006-03-08 DJ Delorie <dj@redhat.com>
11178 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11179 (addpsi3): Expand to include memory operands. Remove
11180 reload-specific splits.
11181 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11182 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11183 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11184 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11185 (shift1_qi, shift1_hi, insv): New.
11186 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11187 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11188 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11190 * config/m32c/m32c-protos.h: Update as needed.
11191 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11192 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11193 Fail for unrecognized R* constraints.
11194 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11195 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11196 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11198 (m32c_init_libfuncs): New.
11199 (m32c_legitimate_address_p): Add debug wrapper.
11200 (m32c_rtx_costs): New.
11201 (m32c_address_cost): New.
11202 (conversions): Add 'B' prefix.
11203 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11204 operands, or word regnames for QI operands. 'B' prints bit
11206 (m32c_expand_setmemhi): New.
11207 (m32c_expand_movmemhi): New.
11208 (m32c_expand_movstr): New.
11209 (m32c_expand_cmpstr): New.
11210 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11211 (m32c_expand_neg_mulpsi3): Handle non-ints.
11212 (m32c_cmp_flg_0): New.
11213 (m32c_expand_movcc): New.
11214 (m32c_expand_insv): New.
11215 (m32c_scc_pattern): New.
11216 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11217 a0/a1 out of SIregs.
11218 (STORE_FLAG_VALUE): New.
11219 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11222 * config/m32c/mov.md: Make constraints more liberal.
11223 (zero_extendqihi2): Optimize r0/r1 case.
11224 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11225 * config/m32c/predicates.md (m32c_any_operand): New.
11226 (m32c_nonimmediate_operand): New.
11227 (m32c_hl_operand): New.
11228 (m32c_r3_operand): New.
11231 (memsym_operand): New.
11232 (memimmed_operand): New.
11233 (a_qi_operand): New.
11234 (m32c_eqne_operator): New.
11235 (m32c_1bit8_operand): New.
11236 (m32c_1bit16_operand): New.
11237 (m32c_1mask8_operand): New.
11238 (m32c_1mask16_operand): New.
11239 * config/m32c/blkmov.md: New file.
11240 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11242 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11244 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11245 unsigned to fix signed/unsigned comparison issue in
11246 DWARF2_FRAME_REG_OUT.
11247 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11248 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11250 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11251 of ptr into the ENABLE_CHECKING section.
11253 2006-03-08 Jeff Law <law@redhat.com>
11255 * tree-vrp.c (infer_value_range): Only count pointer uses
11256 and dereferences if -fdelete-null-pointer-checks is enabled.
11258 * tree-vrp.c (find_assert_locations): Infer value ranges for
11259 single use pointers, but do not create ASSERT_EXPRs for them.
11260 When a non-null range is inferred for a pointer, backwards
11261 propagate that range to other equivalent pointers through the
11264 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11267 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11268 language hook targets.
11269 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11270 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11271 if language hook targets were missing.
11273 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11275 * tree-ssa-opfinalize.h: Removed.
11276 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11278 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11279 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11280 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11281 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11282 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11283 finalize_ssa_v_must_def_ops): New.
11285 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11287 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11288 block as parameter.
11290 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11292 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11294 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11295 addresses with offsets; reorganize.
11297 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11298 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11299 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11301 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11304 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11306 2006-03-08 Ben Elliston <bje@au.ibm.com>
11308 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11310 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11313 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11316 2006-03-07 Richard Guenther <rguenther@suse.de>
11318 PR tree-optimization/26587
11319 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11321 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11323 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11325 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11327 * hooks.c (hook_bool_mode_rtx_true): New function.
11328 * hooks.h (hook_bool_mode_rtx_true): Declare.
11329 * toplev.c (compile_file): Call output_shared_constant_pool.
11330 * varasm.c (shared_constant_pool): New variable.
11331 (assemble_start_function, assemble_end_function): Remove arguments
11332 from call to output_constant_pool.
11333 (create_constant_pool): New function, split out from...
11334 (init_varasm_status): ...here.
11335 (force_const_mem): Choose between the shared and per-function constant
11336 pools. Set current_function_uses_const_pool when reusing old entries
11337 as well as when creating new ones.
11338 (mark_constant): Ignore data argument.
11339 (mark_constants): Remove pool argument.
11340 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11341 to decide whether the function uses a constant pool.
11342 (output_constant_pool_contents): New function, split out from...
11343 (output_constant_pool): ...here.
11344 (output_shared_constant_pool): New function.
11345 (init_varasm_once): Initialize shared_constant_pool.
11346 * output.h (output_constant_pool): Delete.
11347 (output_shared_constant_pool): Declare.
11348 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11349 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11351 2006-03-06 Nick Clifton <nickc@redhat.com>
11353 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11354 flag_strength_reduce.
11356 2006-03-06 Ben Elliston <bje@au.ibm.com>
11358 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11359 x86_64-*-linux* configurations.
11361 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11362 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11364 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11366 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11368 * basic-block.h: Remove the extern for
11369 rediscover_loops_after_threading.
11371 * cfgloop.c (cancel_loop): Make it static.
11372 * cfgloop.h: Remove the prototype for cancel_loop.
11374 * flow.c (recompute_reg_usage): Make it static.
11375 * rtl.h: Remove the prototype for recompute_reg_usage.
11377 * function.c (use_return_register): Make it static.
11378 * function.h: Remove the prototype.
11380 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11382 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11384 * recog.h: Remove the prototype for
11385 validate_change_maybe_volatile.
11387 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11389 * rtlanal.c (replace_reg): Remove.
11390 * rtl.h: Remove the prototype for replace_reg.
11392 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11394 * regclass.c (reg_scan_update): Remove.
11395 (reg_scan_mark_refs): Remove the last argument.
11396 * rtl.h: Remove the prototype for reg_scan_update.
11398 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11400 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11401 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11402 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11403 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11404 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11405 loop-invariant.c, omp-low.c, opts.c, passes.c,
11406 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11407 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11408 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11409 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11410 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11411 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11413 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11415 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11416 * dwarf2out.h: Remove the prototype for
11417 dwarf2out_add_library_unit_info.
11419 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11421 * tree.c (add_var_to_bind_expr): Remove.
11422 * tree.h: Remove the prototype for add_var_to_bind_expr.
11424 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11426 * regclass.c (n_non_fixed_regs): Remove.
11427 (init_reg_sets_1, globalize_reg): Remove all uses of
11429 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11431 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11433 * rtlanal.c (insns_safe_to_move_p): Remove.
11434 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11436 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11438 * expmed.c (expand_mult_add): Remove.
11439 * expr.h: Remove the prototype for expand_mult_add.
11441 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11443 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11444 and REG_SAVED_VAL_EXP constants.
11445 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11446 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11447 Handle regs stored by value.
11448 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11449 (execute_cfa_program): Handle DW_CFA_val_offset,
11450 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11451 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11452 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11453 (uw_install_context_1): Handle target regs stored by value.
11455 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11457 * tree-sra.c (tree_sra): Return todoflags;
11458 (generate_one_element): Set TODO_update_smt_usage if needed.
11459 (pass_sra): Remove TODO_update_smt_usage.
11460 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11462 (tree_ssa_forward_propagate_single_use_vars): Return
11463 TODO_update_smt_usage if we need to update SMT usage.
11464 (pass_forwprop): Remove TODO_update_smt_usage.
11466 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11468 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11469 (correct_use_link): Remove reference to get_stmt_operands.
11470 (update_stmt_operands): Likewise.
11471 (get_modify_expr_operands): New function factored out of
11472 parse_ssa_operands and get_expr_operands.
11473 Try to create V_MUST_DEFs for LHS by default.
11474 (get_expr_operands) <case MODIFY_EXPR>: Call
11475 get_modify_expr_operands.
11476 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11477 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11478 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11479 get_modify_expr_operands.
11481 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11483 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11484 * tree-flow.h: Remove the prototype for
11485 referenced_var_lookup_if_exists.
11487 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11489 PR rtl-optimization/26345
11491 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11493 2006-03-03 Roger Sayle <roger@eyesopen.com>
11495 PR tree-optimization/26524
11496 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11497 fold_convert to create a constant of the appropriate type.
11499 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11501 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11502 SYMBOL_REF_IN_BLOCK_P.
11503 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11504 of SYMBOL_FLAG_IN_BLOCK.
11505 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11506 instead of SYMBOL_REF_IN_BLOCK_P.
11507 * explow.c (use_anchored_address): Likewise.
11508 * rtl.c (rtx_size): Likewise.
11509 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11510 instead of SYMBOL_FLAG_IN_BLOCK.
11511 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11512 SYMBOL_REF_IN_BLOCK_P.
11513 (assemble_variable): Likewise.
11514 (output_constant_def_contents): Likewise.
11515 (output_constant_pool): Likewise.
11516 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11517 instead of SYMBOL_FLAG_IN_BLOCK.
11518 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11519 SYMBOL_REF_IN_BLOCK_P.
11520 (SYMBOL_REF_BLOCK): Likewise.
11521 (SYMBOL_REF_OFFSET): Likewise.
11522 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11523 SYMBOL_REF_IN_BLOCK_P.
11524 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11525 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11526 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11527 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11529 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11531 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11533 2006-03-02 Roger Sayle <roger@eyesopen.com>
11535 * simplify-rtx.c (simplify_unary_operation): When simplifying
11536 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11537 that we perform the right shift in the appropriate mode, and
11538 then extend or truncate the result to requested mode.
11540 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11542 * gengtype.c (main): Handle double_int type.
11543 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11544 * double-int.c: New file.
11545 * double-int.h: New file.
11546 * system.h: Include doubleint.h.
11547 * Makefile.in (SYSTEM_H): Include double-int.h.
11548 (double-int.o): Add.
11550 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11553 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11556 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11558 * tree-vrp.c (remove_range_assertions): Do not update statements
11561 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11563 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11565 * gcse.c (rest_of_handle_gcse): Ditto.
11566 * except.c (gate_handle_eh): Ditto.
11567 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11568 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11570 2006-03-02 Eric Christopher <echristo@apple.com>
11572 * config/i386/i386.c (machopic_output_stub): Add indirection to
11575 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11579 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11581 Sun Niagara specific optimizations.
11582 * config.gcc: Recognize niagara as target.
11583 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11584 (TARGET_CPU_niagara): Define.
11585 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11586 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11587 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11588 (ASM_CPU_SPEC): Likewise.
11589 (PROCESSOR_NIAGARA): New enum entry.
11590 (REGISTER_MOVE_COST): Handle Niagara.
11591 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11592 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11593 (sparc_override_options): Recognize "niagara", set appropriate
11594 default MASK_* values for it, and align functions to 32-bytes
11595 by default just like ULTRASPARC/ULTRASPARC3.
11596 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11597 (sparc64_initialize_trampoline): Likewise.
11598 (sparc_use_sched_lookahead): Use zero for niagara.
11599 (sparc_issue_rate): Use one for niagara.
11600 * config/sparc/niagara.md: New file.
11601 * config/sparc/sparc.md: Include it.
11602 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11603 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11604 when default cpu is niagara.
11605 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11606 (ASM_CPU_SPEC): Likewise.
11607 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11608 when default cpu is niagara.
11609 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11610 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11611 just like v9/ultrasparc/ultrasparc3.
11612 * doc/invoke.texi: Add documentation for "niagara" and improve
11613 existing documentation for ultrasparc variants.
11615 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11617 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11619 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11621 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11622 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11623 and say that only one is needed.
11624 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11625 * target.h (have_switchable_bss_sections): New hook.
11626 * explow.c (use_anchored_address): Check that the symbol is in a block.
11627 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11628 (bss_noswitch_section): New variables.
11629 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11630 (get_noswitch_section): New function.
11631 (get_block_for_section): Allow SECT to be null.
11632 (unlikely_text_section_p): Use SECTION_STYLE.
11633 (bss_initializer_p): New function.
11634 (get_variable_section): Move earlier in file. Take a new argument,
11635 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11636 Return one of the new *_sections in such cases.
11637 (get_block_for_decl): New function, extracting some logic from
11638 use_blocks_for_decl_p.
11639 (change_symbol_section): Remove in favor of...
11640 (change_symbol_block): ...this new function.
11641 (use_blocks_for_decl_p): Remove checks now performed by
11642 get_block_for_decl.
11643 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11644 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11645 (emit_local, emit_bss, emit_common): ...these new functions.
11646 Return true if the alignment was honored.
11647 (emit_tls_common): New function.
11648 (asm_emit_uninitialised): Delete.
11649 (assemble_variable_noswitch): New function, split out from...
11650 (assemble_variable): ...here. Don't make decisions about common
11651 variables here. Globalize all public decls that go into non-common
11652 sections. Check whether SYMBOL_REF_BLOCK is null.
11653 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11654 (output_constant_pool): Likewise.
11655 (init_varasm_once): Initialize the new section variables.
11656 (have_global_bss_p): New function.
11657 (categorize_decl_for_section): Use bss_initializer_p.
11658 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11659 (place_block_symbol): Assert that the symbol must be in a block.
11660 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11661 (TARGET_INITIALIZER): Include it.
11662 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11663 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11664 (SECTION_MACH_DEP): Bump by two.
11665 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11666 (unnamed_section): Mention SECTION_UNNAMED in comment.
11667 (named_section): Likewise SECTION_NAMED.
11668 (noswitch_section_callback): New type.
11669 (noswitch_section): New structure.
11670 (section): Add a noswitch_section alternative.
11671 (SECTION_STYLE): New macro.
11672 (tls_comm_section, comm_section, lcomm_section): Declare.
11673 (bss_noswitch_section, have_global_bss_p): Declare.
11674 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11675 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11677 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11678 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11681 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11683 * tree-vrp.c (execute_vrp): Return value.
11684 * regrename.c (rest_of_handle_regrename): Ditto.
11685 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11686 * tree-complex.c (tree_lower_complex): Ditto.
11687 (tree_lower_complex_O0): Ditto.
11688 * tracer.c (rest_of_handle_tracer): Ditto.
11689 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11690 * postreload.c (rest_of_handle_postreload): Ditto.
11691 * tree-tailcall.c (execute_tail_recursion): Ditto.
11692 (execute_tail_calls): Ditto.
11693 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11694 * tree.h (init_function_for_compilation): Ditto.
11695 * ipa-cp.c (ipcp_driver): Ditto.
11696 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11697 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11698 * final.c (compute_alignments): Ditto.
11699 (rest_of_handle_final): Ditto.
11700 (rest_of_handle_shorten_branches): Ditto.
11701 (rest_of_clean_state): Ditto.
11702 * omp-low.c (execute_expand_omp): Ditto.
11703 (execute_lower_omp): Ditto.
11704 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11705 * ipa-reference.c (static_execute): Ditto.
11706 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11707 * reorg.c (rest_of_handle_delay_slots): Ditto.
11708 (rest_of_handle_machine_reorg): Ditto.
11709 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11710 * flow.c (recompute_reg_usage): Ditto.
11711 (rest_of_handle_remove_death_notes): Ditto.
11712 (rest_of_handle_life): Ditto.
11713 (rest_of_handle_flow2): Ditto.
11714 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11715 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11716 (do_ssa_store_ccp): Ditto.
11717 (execute_fold_all_builtins): Ditto.
11718 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11719 * modulo-sched.c (rest_of_handle_sms): Ditto.
11720 * ipa-pure-const.c (static_execute): Ditto.
11721 * cse.c (rest_of_handle_cse): Ditto.
11722 (rest_of_handle_cse2): Ditto.
11723 * web.c (rest_of_handle_web): Ditto.
11724 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11725 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11726 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11727 * tree-nrv.c (tree_nrv): Ditto.
11728 (execute_return_slot_opt): Ditto.
11729 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11730 (create_structure_vars): Ditto.
11731 * loop-init.c (rtl_loop_init): Ditto.
11732 (rtl_loop_done): Ditto.
11733 (rtl_move_loop_invariants): Ditto.
11734 (rtl_unswitch): Ditto.
11735 (rtl_unroll_and_peel_loops): Ditto.
11736 (rtl_doloop): Ditto.
11737 * gimple-low.c (lower_function_body): Ditto.
11738 (mark_used_blocks): Ditto.
11739 * tree-ssa-sink.c (execute_sink_code): Ditto.
11740 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11741 (cgraph_early_inlining): Ditto.
11742 * global.c (rest_of_handle_global_alloc): Ditto.
11743 * jump.c (cleanup_barriers): Ditto.
11744 (purge_line_number_notes): Ditto.
11745 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11746 (rest_of_handle_if_after_reload): Ditto.
11747 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11748 (tree_ssa_loop_im): Ditto.
11749 (tree_ssa_loop_unswitch): Ditto.
11750 (tree_vectorize): Ditto.
11751 (tree_linear_transform): Ditto.
11752 (tree_ssa_loop_ivcanon): Ditto.
11753 (tree_ssa_empty_loop): Ditto.
11754 (tree_ssa_loop_bounds): Ditto.
11755 (tree_complete_unroll): Ditto.
11756 (tree_ssa_loop_prefetch): Ditto.
11757 (tree_ssa_loop_ivopts): Ditto.
11758 (tree_ssa_loop_done): Ditto.
11759 * predict.c (tree_estimate_probability): Ditto.
11760 * recog.c (split_all_insns_noflow): Ditto.
11761 (rest_of_handle_peephole2): Ditto.
11762 (rest_of_handle_split_all_insns): Ditto.
11763 * tree-eh.c (lower_eh_constructs): Ditto.
11764 * regmove.c (rest_of_handle_regmove): Ditto.
11765 (rest_of_handle_stack_adjustments): Ditto.
11766 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11767 * function.c (instantiate_virtual_regs): Ditto.
11768 (init_function_for_compilation): Ditto.
11769 (rest_of_handle_check_leaf_regs): Ditto.
11770 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11771 (rest_of_handle_gcse): Ditto.
11772 * ipa-type-escape.c (type_escape_execute): Ditto.
11773 * alias.c (rest_of_handle_cfg): Ditto.
11774 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11775 * profile.c (rest_of_handle_branch_prob): Ditto.
11776 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11777 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11778 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11779 * tree-dfa.c (find_referenced_vars): Ditto.
11780 * except.c (set_nothrow_function_flags): Ditto.
11781 (convert_to_eh_region_ranges): Ditto.
11782 (rest_of_handle_eh): Ditto.
11783 * emit-rtl.c (unshare_all_rtl): Ditto.
11784 (remove_unnecessary_notes): Ditto.
11785 * except.h (set_nothrow_function_flags): Ditto.
11786 (convert_to_eh_region_ranges): Ditto.
11787 * cfgexpand.c (tree_expand_cfg): Ditto.
11788 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11789 * tree-ssa-pre.c (do_pre): Ditto.
11790 (execute_fre): Ditto.
11791 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11792 (rest_of_handle_jump2): Ditto.
11793 * tree-sra.c (tree_sra): Ditto.
11794 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11795 (execute_mudflap_function_decls): Ditto.
11796 * tree-ssa-copy.c (do_copy_prop): Ditto.
11797 (do_store_copy_prop): Ditto.
11798 * ipa-prop.h (ipcp_driver): Ditto.
11799 * cfglayout.c (insn_locators_initialize): Ditto.
11800 * tree-ssa-forwprop.c
11801 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11802 * cfglayout.h (insn_locators_initialize): Ditto.
11803 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11804 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11805 (execute_late_warn_uninitialized): Ditto.
11806 * rtl.h (cleanup_barriers): Ditto.
11807 (split_all_insns_noflow): Ditto.
11808 (purge_line_number_notes): Ditto.
11809 (unshare_all_rtl): Ditto.
11810 (remove_unnecessary_notes): Ditto.
11811 (recompute_reg_usage): Ditto.
11812 (variable_tracking_main): Ditto.
11813 * integrate.c (emit_initial_value_sets): Ditto.
11814 * integrate.h (emit_initial_value_sets): Ditto.
11815 * tree-optimize.c (execute_free_datastructures): Ditto
11816 (execute_free_cfg_annotations): Ditto.
11817 (execute_fixup_cfg): Ditto.
11818 (execute_cleanup_cfg_pre_ipa): Ditto.
11819 (execute_cleanup_cfg_post_optimizing): Ditto.
11820 (execute_init_datastructures): Ditto.
11821 * tree-object-size.c (compute_object_sizes): Ditto.
11822 * combine.c (rest_of_handle_combine): Ditto.
11823 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11824 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11825 (rest_of_handle_reorder_blocks): Ditto.
11826 (rest_of_handle_partition_blocks): Ditto.
11827 * var-tracking.c (variable_tracking_main): Ditto.
11828 * tree-profile.c (tree_profiling): Ditto.
11829 * tree-vect-generic.c (expand_vector_operations): Ditto.
11830 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11831 * sched-rgn.c (rest_of_handle_sched): Ditto.
11832 (rest_of_handle_sched2): Ditto.
11833 * basic-block.h (free_bb_insn): Ditto.
11834 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11835 * tree-cfg.c (execute_build_cfg): Ditto.
11836 (remove_useless_stmts): Ditto.
11837 (split_critical_edges): Ditto.
11838 (execute_warn_function_return): Ditto.
11839 (execute_warn_function_noreturn): Ditto.
11840 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11841 * cfgrtl.c (free_bb_for_insn): Ditto.
11842 * passes.c (execute_one_pass): Run additional
11843 todos returned by execute function.
11844 * tree-pass.h (struct tree_opt_pass): Make execute
11847 2006-03-02 Richard Guenther <rguenther@suse.de>
11849 * tree-ssa-alias.c (find_used_portions): Consider taking
11850 the address as making the variable not write-only.
11852 2006-03-02 Nick Clifton <nickc@redhat.com>
11854 * config.gcc (default_use_cxa_atexit): Extend the description of
11855 this configure variable. Set its default value to "yes" for
11856 Linux, NetBSD and ELF targets on the assumption that they will
11857 use C libraries with the __cxa_atexit function.
11859 2006-03-02 Ben Elliston <bje@au.ibm.com>
11861 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11862 parameter as unused to suppress a build warning.
11864 2006-03-02 Ben Elliston <bje@au.ibm.com>
11866 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11869 2006-03-01 Roger Sayle <roger@eyesopen.com>
11872 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11873 declared name, the weak reference name, and the typeof name.
11874 (__gthrw): Avoid expanding the declared name suffix.
11875 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11877 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11879 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11881 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11882 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11883 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11884 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11885 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11886 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11887 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11888 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11889 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11890 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11891 (DW_END_default, DW_END_big, DW_END_little): New.
11892 (DW_END_lo_user, DW_END_hi_user): Define.
11893 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11894 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11895 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11898 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11900 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11902 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11904 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11906 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11908 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11909 to 'symbol_mem_tag'.
11911 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11914 2006-03-01 Roger Sayle <roger@eyesopen.com>
11916 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11918 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11921 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11922 MACHO_DYNAMIC_NO_PIC_P.
11923 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11925 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11928 * config/darwin-protos.h (darwin_asm_output_anchor):
11930 * config/darwin-sections.def (cstring_section):
11931 Add SECTION_MERGE to the flags.
11932 (literal4_section): Likewise.
11933 (literal8_section): Likewise.
11934 (objc_selector_refs_section): Likewise.
11935 (objc_cls_refs_section): Likewise.
11936 * config/darwin.c (darwin_asm_output_anchor): New
11938 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11940 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11942 Fix PR tree-optimization/26443
11943 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11944 to todo and PROP_tmt_usage to properties_destroyed.
11945 * tree-ssa-ccp.c (pass_ccp): Ditto.
11946 (pass_store_ccp): Ditto.
11947 * tree-ssa-dom.c (pass_dominator): Ditto.
11949 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11951 * tree-ssa-operands.c: Cleanup whitespace.
11952 (get_asm_expr_operands): Move before first invocation.
11953 (get_indirect_ref_operands): Likewise.
11954 (get_tmr_operands): Likewise.
11955 (get_call_expr_operands): Likewise.
11956 (append_def): Likewise.
11957 (append_use): Likewise.
11958 (append_v_may_def): Likewise.
11959 (append_v_must_def): Likewise.
11960 (add_call_clobber_ops): Likewise.
11961 (add_call_read_ops): Likewise.
11962 (add_stmt_operand): Likewise.
11963 (add_virtual_operand): Likewise.
11964 (build_ssa_operands): Likewise.
11966 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11968 PR middle-end/26022
11970 PR middle-end/24437
11971 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11972 with a call expr to ...
11973 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11975 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11977 * tree-vrp.c (extract_range_from_assert): Remove special
11978 handling for types with super-types.
11980 2006-03-01 Ben Elliston <bje@au.ibm.com>
11982 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11983 and powerpc64-*-linux* configurations.
11984 * config/t-dfprules: New file.
11986 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11987 Compile dfp-bit.c from the source directory using -DWIDTH and
11988 $DFP_CFLAGS to control the compilation of that file, rather than
11989 generating width-specific versions in the build directory.
11990 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11991 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11993 2006-02-28 Zack Weinberg <zackw@panix.com>
11995 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11998 2006-02-28 Eric Christopher <echristo@apple.com>
12000 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12001 Set up IN_LIBGCC definition of TARGET_64BIT.
12002 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12004 2006-02-28 Roger Sayle <roger@eyesopen.com>
12006 PR middle-end/14752
12007 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12008 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12009 cases via the construction of "expr != 0".
12011 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12013 * alias.c (alias_invariant, alias_invariant_size): Remove.
12014 (record_base_value): Remove.
12015 (memrefs_conflict_p): Don't look at alias_invariant.
12016 (end_alias_analysis): Don't free it.
12017 * alias.h (record_base_value): Remove prototype.
12019 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12020 Adam Nemet <anemet@caviumnetworks.com>
12022 * rtl.h (truncated_to_mode): Declare it.
12023 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12024 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12025 (RTL_HOOKS_INITIALIZER): Include it.
12026 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12027 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12028 reg_truncated_to_mode.
12029 * rtlanal.c (truncated_to_mode): Define it.
12030 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12032 2006-02-28 Jeff Law <law@redhat.com>
12034 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12035 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12036 the range allowed by TYPE_PRECISION.
12038 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12040 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12042 PR tree-optimization/26419
12043 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12046 2006-02-27 Zack Weinberg <zackw@panix.com>
12048 * doc/md.texi: Fix typo in previous change.
12050 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12054 2006-02-27 Zack Weinberg <zackw@panix.com>
12056 * rtl.def (define_constraint, define_register_constraint)
12057 (define_memory_constraint, define_address_constraint): New MD forms.
12058 * gensupport.c (process_rtx): Put define_constraint etc on the
12060 * genpreds.c (process_define_predicate): Adjust comment. Validate
12061 the name, and call validate_exp to validate the expression.
12062 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12063 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12064 all callers changed.
12065 (validate_exp, needs_variable, struct constraint_data)
12066 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12067 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12068 (const_dbl_constraints, constraint_max_namelen)
12069 (have_register_constraints, have_memory_constraints)
12070 (have_address_constraints, have_address_constraints)
12071 (have_extra_constraints, have_const_int_constraints)
12072 (have_const_dbl_constraints, mangle, add_constraint)
12073 (process_define_constraint, process_define_register_constraint)
12074 (write_enum_constraint_num, write_lookup_constraint)
12075 (write_insn_constraint_len, write_regclass_for_constraint)
12076 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12077 (write_insn_extra_memory_constraint)
12078 (write_insn_extra_address_constraint)
12079 (write_satisfies_constraint_fns): New.
12080 (write_tm_preds_h): If we have new-style constraint definitions,
12081 prototype the functions generated from them, and define the
12082 old constraint interface (still used by generic code) in terms of
12084 (write_insn_preds_c): If we have new-style constraint definitions,
12085 generate all relevant functions from those definitions.
12086 (main): Handle define_constraint etc.
12087 * genoutput.c (struct constraint_data, indep_constraints)
12088 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12089 (mdep_constraint_len): New data structures and functions, defined
12090 #ifdef USE_MD_CONSTRAINTS.
12091 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12092 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12093 use new logic to validate operand constraints against constraint
12095 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12097 * defaults.h: If none of the old-style constraint macros are
12098 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12099 old-style macros; and poison REG_CLASS_FROM_LETTER,
12100 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12102 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12103 * doc/md.texi: Document new constraint-definition mechanism and the
12104 C interface it provides. Remove references to old mechanism
12105 elsewhere in the document.
12106 (Machine Constraints): Use pathnames relative to gcc directory,
12107 i.e. config/ARCH/FILE. Change i386 section to refer to
12108 config/i386/predicates.md; update that section to match docstrings.
12109 * doc/tm.texi: Move all documentation of the old constraint-
12110 definition macros to their own section, clearly mark as obsolete.
12112 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12113 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12115 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12116 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12117 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12118 constraint strings.
12119 (splits and peepholes): Use satisfies_constraint_*.
12120 * config/i386/i386.c (memory_address_length)
12121 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12123 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12125 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12126 scalar operation to be put back into the loop.
12128 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12131 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12132 (extract_cie_info): Handle S flag in augmentation string.
12133 (execute_cfa_program): If context->signal_frame, execute also
12134 fs->pc == context->ra instructions.
12135 (uw_frame_state_for): If context->signal_frame, don't subtract one
12136 from context->ra to find FDE.
12137 (uw_update_context_1): Set context->signal_frame to
12139 (_Unwind_GetIPInfo): New function.
12140 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12141 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12143 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12144 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12145 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12146 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12147 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12148 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12149 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12150 x86_64_fallback_frame_state): Set fs->signal_frame.
12151 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12152 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12153 (frob_update_context): Likewise. Workaround missing S flag in
12154 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12155 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12156 Remove the psw_addr + 1 hack.
12158 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12160 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12161 with aggregates here.
12162 (find_func_aliases): Remove code for &<aggregate> from here.
12164 2006-02-26 Roger Sayle <roger@eyesopen.com>
12166 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12167 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12168 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12169 as (X & C) ne/eq 0.
12171 2006-02-26 Roger Sayle <roger@eyesopen.com>
12173 PR middle-end/19983
12174 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12176 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12178 * opts.c (decode_options): Do not handle flag_strength_reduce.
12179 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12180 and OPT_fstrength_reduce.
12181 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12182 flag_prefetch_loop_arrays for being nonzero.
12183 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12185 (fprefetch-loop-arrays-rtl): Removed.
12186 (flag_prefetch_loop_arrays): Do not specify the value.
12188 * doc/passes.texi: Update documentation of loop optimizer
12190 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12191 -frerun-loop-opt): Remove.
12193 2006-02-26 Richard Guenther <rguenther@suse.de>
12195 PR tree-optimization/26421
12196 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12197 in function calls that are ADDR_EXPRs as using the whole structure.
12199 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12201 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12202 * tree-pass.h (pass_loop_optimize): Remove.
12203 * passes.c (pass_loop_optimize): Never run it.
12204 * toplev.c (backend_init): Don't call init_loop.
12205 * opts.c (flag_loop_optimize_set): Remove.
12206 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12207 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12208 the old RTL loop optimizer when profiling enabled.
12209 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12210 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12211 pre-headers for the sake of the old RTL loop optimizer.
12212 * Makefile.in: Remove all references to loop.o.
12214 * doc/invoke.texi: Remove all references to -floop-optimize
12215 and -frerun-loop-opt.
12217 2006-02-26 Zack Weinberg <zackw@panix.com>
12219 * doc/md.texi (Machine Constraints): Refer to all files with paths
12220 relative to gcc directory (i.e. config/CPU/file). Add missing
12221 @table @code ... @end table to M32C subsection.
12223 2006-02-26 Roger Sayle <roger@eyesopen.com>
12225 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12227 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12229 2006-02-26 Roger Sayle <roger@eyesopen.com>
12230 James A. Morrison <phython@gcc.gnu.org>
12232 PR middle-end/21137
12233 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12234 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12235 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12236 signedness of the shift operation.
12238 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12240 PR tree-optimization/26359
12241 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12243 2006-02-25 Roger Sayle <roger@eyesopen.com>
12245 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12246 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12247 as X == 0, and some symmetry related transformations.
12248 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12250 2006-02-25 Roger Sayle <roger@eyesopen.com>
12252 PR middle-end/23673
12253 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12254 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12255 symmetry related transformations. Fold (X^C1) == C2 as
12258 2006-02-25 Juergen Weigert <jw@suse.de>
12259 Richard Guenther <rguenther@suse.de>
12261 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12263 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12265 * combine.c (gen_lowpart_or_truncate): Call
12266 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12268 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12270 * doc/invoke.texi: Move -fopenmp description to "Options for
12272 Remove reference to -lgomp.
12274 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12276 * doc/install.texi: Require GNU tar version 1.14.
12278 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12280 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12281 * doc/invoke.texi (C++ Dialect Options): Document
12282 -fno-use-cxa-get-exception-ptr.
12283 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12284 * configure: Regenerate.
12285 * c.opt (fuse-cxa-get-exception-ptr): New.
12286 * c-opts.c (c_common_handle_option): Handle
12287 OPT_fuse_cxa_get_exception_ptr.
12288 * c-common.c (flag_use_cxa_atexit): Update documentation.
12289 (flag_use_cxa_get_exception_ptr): New.
12290 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12291 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12293 (C_COMMON_OVERRIDE_OPTIONS): New.
12295 2006-02-24 Roger Sayle <roger@eyesopen.com>
12297 PR middle-end/24952
12298 * combine.c (try_combine): Explicitly check whether GET_CODE is
12299 a SET or a CLOBBER, instead on checking that it isn't a USE.
12301 2006-02-24 Roger Sayle <roger@eyesopen.com>
12303 * fold-const.c (fold_comparison): New subroutine of fold_binary
12304 containing transformations common to both the equality and
12305 ordering relational operators, factored out of fold_binary.
12306 (fold_binary): Separate out the equality operators (EQ_EXPR
12307 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12308 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12309 transformations common to both.
12310 (fold_div_compare): Fix latent bugs in the previously unreachable
12311 LT_EXPR and GE_EXPR cases.
12313 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12315 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12316 decl libname for clog to __clog on AIX.
12318 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12320 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12323 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12324 output traceback table for thunks. Localise rs6000_stack_info call.
12326 2006-02-23 Roger Sayle <roger@eyesopen.com>
12327 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12329 * gthr-posix.h (__gthrw): Fix typo in comment.
12331 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12333 * doc/cpp.texi (Character sets): Document that we do support
12334 input files to be in any character set.
12336 2006-02-23 Jeff Law <law@redhat.com>
12338 * tree.h (PHI_ARG_NONZERO): Remove.
12339 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12340 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12341 node to the new node.
12343 PR tree-optimization/26425
12344 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12345 min/max, then assume its varying.
12347 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12349 PR rtl-optimization/26316
12350 * rtlanal.c (enum may_trap_p_flags): New.
12351 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12352 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12353 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12354 (may_trap_after_code_motion_p): New function.
12355 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12356 (find_invariant_insn): Use may_trap_after_code_motion_p.
12357 * rtl.h (may_trap_after_code_motion_p): Declare.
12359 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12361 * emit-rtl.c (immed_double_const): Cleanup.
12363 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12365 Fix PR tree-optimization/26376
12366 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12369 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12371 PR middle-end/26412
12372 * gimplify.c (omp_add_variable): Guard variable size decl test with
12373 DECL_SIZE (decl) check.
12375 2006-02-23 Richard Guenther <rguenther@suse.de>
12377 PR middle-end/26439
12378 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12379 like aggregate types.
12381 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12383 * configure.ac: Add --with{,out}-long-double-128 configure option.
12384 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12385 * configure: Rebuilt.
12386 * config.in: Rebuilt.
12387 * doc/install.texi (Options specification): Document
12388 --with-long-double-128.
12390 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12391 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12392 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12393 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12395 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12397 * config/s390/s390.c (override_options): Handle
12398 TARGET_DEFAULT_LONG_DOUBLE_128.
12400 * config/alpha/alpha.c (override_options): Handle
12401 TARGET_DEFAULT_LONG_DOUBLE_128.
12403 * config/sparc/sparc.c (sparc_override_options): Handle
12404 TARGET_DEFAULT_LONG_DOUBLE_128.
12406 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12408 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12409 (real-install-headers-tar, real-install-headers-cpio)
12410 (real-install-headers-cp): New targets.
12412 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12414 * tree.h (variable_section): Delete.
12415 * varasm.c (variable_section): Delete.
12417 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12419 * install.texi: Add notes on install.texi2html.
12420 (Building in parallel): Do not use footnotes.
12422 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12425 * doc/install.texi (Configuration): Document --disable-libgomp.
12427 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12429 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12431 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12433 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12434 (vec_extractv2df_0_sse): New.
12436 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12438 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12439 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12440 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12441 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12442 to the result of the expression.
12443 (def_cfa_1): Adjust.
12444 (frame_pointer_cfa_offset): Rename to...
12445 (frame_pointer_fb_offset): ... this. Adjust all uses.
12446 (convert_cfa_to_loc_list): Rename to...
12447 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12448 Pass it on to build_cfa_loc.
12449 (compute_frame_pointer_to_cfa_displacement): Rename to...
12450 (compute_frame_pointer_to_fb_displacement): ... this. New
12451 offset parameter. Use it in computation.
12452 (gen_subprogram_die): Compute cfa_fb_offset with the new
12453 macro, and use it to compute the fb loc list and the
12456 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12458 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12459 replaced with register_operand.
12460 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12461 non-DREG is expensive.
12462 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12463 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12466 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12468 * doc/install.texi2html: Use set -e.
12470 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12472 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12473 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12474 * doc/invoke.texi (-fshared-data): Delete.
12475 * common.opt (fshared-data): Delete.
12476 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12477 (assemble_static_space): Remove #if 0 code.
12478 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12479 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12480 * config/cris/cris.h: Remove FIXME.
12482 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12484 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12487 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12489 PR middle-end/26379
12490 * combine.c (simplify_shift_const_1): Disable nested shifts
12491 optimization for vector shifts.
12493 2006-02-20 Roger Sayle <roger@eyesopen.com>
12495 PR tree-optimization/26361
12496 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12497 of unsigned integer types.
12499 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12501 * tree-chrec.c (eq_evolutions_p): New.
12502 * tree-chrec.h (eq_evolutions_p): Declared.
12503 * tree-data-ref.c: Fix formatting.
12504 (datadep_stats, dependence_stats): New.
12506 (print_direction_vector): New.
12507 (dump_data_dependence_relation): Use print_direction_vector.
12508 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12509 (compute_subscript_distance): Static.
12510 (initialize_data_dependence_relation): Static. Get the number
12511 of loops surrounding the references from the callers, and initialize
12512 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12513 base_object_differ_p analyzers.
12514 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12515 compute_overlap_steps_for_affine_1_2,
12516 analyze_subscript_affine_affine): Count the classified dependences.
12517 Print a message when a test failed.
12518 (can_use_analyze_subscript_affine_affine): New.
12519 (analyze_siv_subscript): Compute the data dependences on symbolic
12520 scevs that verify can_use_analyze_subscript_affine_affine.
12521 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12522 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12523 Handle symbolic scevs.
12524 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12526 (subscript_dependence_tester): Moved...
12527 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12528 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12529 DDR_SIZE_VECT instead of getting it in parameter.
12530 (subscript_dependence_tester): ... here. Take as a parameter
12531 loop_nest_depth. Call build_classic_dist_vector and
12532 build_classic_dir_vector.
12533 (compute_affine_dependence): Update subscript_dependence_tester
12534 parameters. Update datadep_stats counters. Call
12535 compute_subscript_distance.
12536 (compute_self_dependence): Save the dist and dir vectors. Call
12537 compute_subscript_distance.
12538 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12539 (compute_all_dependences): Reorder parameters as they were before
12540 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12541 compute_subscript_distance. Update the use of
12542 compute_affine_dependence and initialize_data_dependence_relation.
12543 (find_data_references_in_loop): Handle COMPONENT_REF.
12544 (compute_data_dependences_for_loop): Initialize dependence_stats.
12545 Don't call build_classic_dist_vector and build_classic_dir_vector.
12546 Update the parameters of initialize_data_dependence_relation and
12547 compute_all_dependences. Print the statistics from datadep_stats.
12548 (analyze_all_data_dependences): Static. Not used until the pass for
12549 checking the data dependences is contributed.
12550 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12551 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12552 (initialize_data_dependence_relation, compute_affine_dependence,
12553 analyze_all_data_dependences, compute_subscript_distance): Removed.
12554 (print_direction_vector): New.
12555 * lambda.h (gcd): ... here.
12556 (lambda_vector_gcd): Moved here from gcd_vector.
12557 * lambda-code.c (gcd, gcd_vector): Removed.
12558 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12559 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12561 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12563 * ipa-type-escape.c: Tidy some comments and white space.
12564 * tree-ssa-operands.c: Likewise.
12566 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12569 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12570 (dump_decl_name): Do not walk the decl tree chains.
12571 * tree-pass.h (TDF_CHAIN): Remove.
12573 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12575 * Makefile.in (C): Remove
12577 (.PHONY): Remove C and PROTO
12579 2006-02-20 Roger Sayle <roger@eyesopen.com>
12581 PR middle-end/26236
12582 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12583 deprecated CHAR_TYPE tree code.
12585 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12587 * configure.ac (target_list): Add install-info, dvi, html.
12588 * configure: Regenerate.
12590 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12591 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12592 treelang/Make-lang.in: Do not use double-colon rules.
12594 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12596 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12597 (TMT_USED_ALONE): New macro.
12598 * tree-pass.h (PROP_tmt_usage): New property.
12599 (TODO_update_tmt_usage): New todo.
12600 * tree-ssa-alias.c (updating_used_alone): New variable.
12601 (recalculate_used_alone): New function.
12602 (compute_may_aliases): Set updating_used_alone, call
12603 recalculate_used_alone.
12604 * tree-sra.c (pass_sra): Note that this pass destroys
12605 PROP_tmt_usage, and add TODO_update_tmt_usage.
12606 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12607 * tree-flow.h (updating_used_alone): Prototype.
12608 (recalculate_used_alone): Ditto.
12609 * passes.c (execute_todo): Add code to set updating_used_alone,
12610 and call recalculate.
12611 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12612 for clobber if used alone, and add assert to verify used_alone
12615 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12617 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12618 for non tls symbols added.
12619 (legitimize_address): Do nothing for PLUS expressions if one of the
12620 addends is a tls symbol reference.
12622 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12626 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12628 * Makefile.in (BOOTSTRAPPING): New.
12629 (quickstrap): New definition if BOOTSTRAPPING=yes.
12631 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12632 * configure.ac: Substitute all_selected_languages with the languages
12633 that were configured. For all the other variables except
12634 lang_specs_files, include all the languages in the tree.
12635 * configure: Regenerate.
12637 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12638 if there is one. Run the commands to run fixincludes in the same
12641 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12642 * doc/install.texi: Document exact conventions for searching target tools.
12643 Document --with-build-time-tools. Document toplevel bootstrap. Document
12644 something more about building an Ada cross-compiler. Don't list GNU Make
12645 requirements which affect all platforms.
12647 2006-02-19 Roger Sayle <roger@eyesopen.com>
12649 PR middle-end/19543
12650 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12651 only equivalent if the have both the same mode and precision.
12653 2006-02-20 Ben Elliston <bje@au.ibm.com>
12655 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12657 2006-02-19 Roger Sayle <roger@eyesopen.com>
12658 Steven Bosscher <stevenb.gcc@gmail.com>
12660 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12661 constant pool references to identify stack mode constants.
12662 * rtlanal.c (constant_pool_constant_p): New predicate to check
12663 whether operand is a floating point constant in the pool.
12664 * rtl.h (constant_pool_constant_p): Prototype here.
12665 * loop.c (scan_loop): Avoid hoisting constants from the constant
12666 pool on STACK_REGS targets.
12667 (load_mems): Likewise.
12668 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12669 loads into x87 registers expensive in terms of register pressure.
12671 2006-02-19 Roger Sayle <roger@eyesopen.com>
12673 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12674 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12676 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12678 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12679 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12681 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12683 * doc/invoke.texi: Document -fipa-pta.
12684 * common.opt: Add ipa-pta option.
12685 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12686 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12687 (do_ds_constraint): Ditto.
12688 (get_constraint_for): Only add to referenced_vars if
12689 referenced_vars exists.
12690 (insert_into_field_list): Rewrite to do this unsorted.
12691 (insert_into_field_list_sorted): Rename old insert_into_field_list
12693 (create_function_info_for): Use insert_into_field_list_sorted.
12694 (create_variable_info_for): Rewrite so it uses unsorted version,
12695 since the field list is sorted.
12696 (intra_create_variable_infos): Only add to referenced_vars if
12697 referenced_vars exists.
12698 (ipa_pta_execute): Init heapvars, and delete when done.
12699 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12701 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12703 * doc/install.texi: Add missing `@samp'.
12705 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12707 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12710 2006-02-18 Mark Wielaard <mark@klomp.org>
12712 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12713 who added new 4.1 features, bug fixes and integration support.
12715 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12718 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12719 MEM for ABI_V4 pic.
12721 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12723 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12724 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12725 (copy_insn_1): Likewise. Don't copy each field individually.
12727 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12729 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12730 * rtl.c (rtx_size): Rename variable to...
12731 (rtx_code_size): ...this.
12732 (rtx_size): New function.
12733 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12734 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12736 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12737 * rtl.h (rtx_code_size): New variable.
12738 (rtx_size): Change from a variable to a function.
12739 (RTX_SIZE): Rename to...
12740 (RTX_CODE_SIZE): ...this.
12743 PR tree-optimization/17106
12744 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12745 (Anchored Addresses): New section.
12746 * doc/invoke.texi (-fsection-anchors): Document.
12747 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12748 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12749 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12750 * hooks.c (hook_bool_mode_rtx_false): New function.
12751 * hooks.h (hook_bool_mode_rtx_false): Declare.
12752 * gengtype.c (create_optional_field): New function.
12753 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12754 SYMBOL_REF_IN_BLOCK_P is true.
12755 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12756 (min_anchor_offset, max_anchor_offset): Likewise.
12757 (use_anchors_for_symbol_p): New hook.
12758 * toplev.c (compile_file): Call output_object_blocks.
12759 (target_supports_section_anchors_p): New function.
12760 (process_options): Check that -fsection-anchors is only used on
12761 targets that support it and when -funit-at-a-time is in effect.
12762 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12763 if the decl doesn't have one.
12764 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12765 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12766 of force_const_mem through use_anchored_address.
12767 (expand_expr_constant): New function.
12768 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12769 calling expand_expr for INDIRECT_REF.
12770 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12771 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12772 * expr.h (use_anchored_address): Declare.
12773 * loop-unroll.c: Don't declare rtx vectors here.
12774 * explow.c: Include output.h.
12775 (validize_mem): Call use_anchored_address.
12776 (use_anchored_address): New function.
12777 * common.opt (-fsection-anchors): New switch.
12778 * varasm.c (object_block_htab, anchor_labelno): New variables.
12779 (hash_section, object_block_entry_eq, object_block_entry_hash)
12780 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12781 (use_blocks_for_decl_p, change_symbol_section): New functions.
12782 (get_variable_section): New function, split out from assemble_variable.
12783 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12784 use_blocks_for_decl_p say so. Use change_symbol_section if the
12785 symbol has already been created.
12786 (assemble_variable_contents): New function, split out from...
12787 (assemble_variable): ...here. Don't output any code for
12788 block symbols; just pass them to place_block_symbol.
12789 Use get_variable_section and assemble_variable_contents.
12790 (get_constant_alignment, get_constant_section, get_constant_size): New
12791 functions, split from output_constant_def_contents.
12792 (build_constant_desc): Create a block symbol if use_object_blocks_p
12793 says so. Or into SYMBOL_REF_FLAGS.
12794 (assemble_constant_contents): New function, split from...
12795 (output_constant_def_contents): ...here. Don't output any code
12796 for block symbols; just pass them to place_section_symbol.
12797 Use get_constant_section and get_constant_alignment.
12798 (force_const_mem): Create a block symbol if use_object_blocks_p and
12799 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12800 (output_constant_pool_1): Add an explicit alignment argument.
12801 Don't switch sections here.
12802 (output_constant_pool): Adjust call to output_constant_pool_1.
12803 Switch sections here instead. Don't output anything for block symbols;
12804 just pass them to place_block_symbol.
12805 (init_varasm_once): Initialize object_block_htab.
12806 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12807 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12808 (place_block_symbol, get_section_anchor, output_object_block)
12809 (output_object_block_htab, output_object_blocks): New functions.
12810 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12811 (TARGET_ASM_OUT): Include it.
12812 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12813 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12814 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12815 (TARGET_INITIALIZER): Include them.
12816 * rtl.c (rtl_check_failed_block_symbol): New function.
12817 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12818 (block_symbol, object_block): New structures.
12819 (rtx_def): Add a block_symbol field to the union.
12820 (BLOCK_SYMBOL_CHECK): New macro.
12821 (rtl_check_failed_block_symbol): Declare.
12822 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12823 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12824 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12825 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12826 * output.h (output_section_symbols): Declare.
12827 (object_block): Name structure.
12828 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12829 (default_use_anchors_for_symbol_p): Declare.
12830 * Makefile.in (RTL_BASE_H): Add vec.h.
12831 (explow.o): Depend on output.h.
12832 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12833 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12834 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12835 (rs6000_use_blocks_for_constant_p): New function.
12837 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12839 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12841 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12844 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12847 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12849 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12853 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12855 PR middle-end/26334
12856 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12857 instead of DECL_REGISTER.
12859 2006-02-18 Olivier Hainque <hainque@adacore.com>
12862 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12864 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12867 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12868 * opth-gen.awk: Handle Var and InverseMask together.
12869 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12870 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12871 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12872 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12874 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12875 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12876 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12877 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12878 LINUX_DYNAMIC_LINKER): Define.
12879 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12880 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12882 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12883 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12884 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12885 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12886 (TARGET_C99_FUNCTIONS): Don't define.
12887 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12888 GLIBC_DYNAMIC_LINKER.
12889 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12890 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12891 GLIBC_DYNAMIC_LINKER64): Define.
12892 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12893 LINUX_DYNAMIC_LINKER64.
12894 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12895 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12896 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12897 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12898 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12899 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12900 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12901 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12902 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12903 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12904 and LINUX_DYNAMIC_LINKER32.
12905 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12906 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12907 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12908 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12909 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12911 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12912 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12913 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12914 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12915 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12916 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12917 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12918 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12919 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12920 LINUX_DYNAMIC_LINKER): Define.
12921 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12922 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12923 GLIBC_DYNAMIC_LINKER64): Define.
12924 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12925 LINUX_DYNAMIC_LINKER64.
12926 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12927 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12928 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12929 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12930 LINUX_DYNAMIC_LINKER): Define.
12931 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12932 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12933 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12934 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12935 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12936 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12937 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12938 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12939 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12940 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12941 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12942 * doc/invoke.texi (-muclibc): Remove caveat about supported
12945 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12947 * doc/cpp.texi (__TIMESTAMP__): Document.
12949 2006-02-17 Roger Sayle <roger@eyesopen.com>
12951 PR middle-end/25600
12952 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12953 C is one less than the width of X (and related transformations).
12954 * simplify-rtx.c (simplify_unary_operation_1): Transform
12955 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12956 depending on STORE_FLAG_VALUE, were C is one less then the
12959 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12961 Fix PR tree-optimization/26341
12962 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12963 about NAME_MEMORY_TAG's.
12965 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12968 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12969 with hardware float support, and software float support. Add fcpy
12970 alternative to hardware patterns. Add alternatives to copy between
12971 general and floating-point registers to the 32-bit pattern.
12972 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12973 secondary reload to load a QI or HI mode constant into a floating
12975 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12976 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12978 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12981 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12983 (load_macho_picbase_di): Likewise.
12985 2006-02-16 Jeff Law <law@redhat.com>
12987 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12988 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12989 (ssa_name_nonzero_p): Likewise.
12990 (get_value_range): Return NULL if VRP is not running.
12991 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12992 VRP routines do not discover a range.
12993 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12994 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12995 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12996 (tree_expr_nonnegative_p): Similarly.
12997 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12998 (restore_nonzero_vars_to_original_value): Remove.
12999 (unsafe_associative_fp_binop): Remove.
13000 (tree_ssa_dominator_optimize): Remove initialization and
13001 finalization of nonzero_vars and nonzero_vars_stack.
13002 (dom_opt_initialize_block): No longer push marker on
13003 nonzero_vars_stack.
13004 (dom_opt_finalize_block): No longer call
13005 restore_nonzero_vars_to_original_value.
13006 (record_equivalences_from_phis): No longer look for
13007 nonzero PHI arguments.
13008 (cprop_into_successor_phis): No longer propagate nonzero
13009 property into PHI arguments. Lose unused argument. Caller
13011 (record_equivalences_from_stmt): No longer record nonzero
13012 values for SSA_NAMEs.
13013 (lookup_avail_expr): No longer use nonzero_vars.
13015 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13016 for sizetype when sizetype is unsigned.
13018 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13020 PR rtl-optimization/25603
13021 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13022 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13023 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13024 with new meaning of SETS.
13026 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13031 * config/linux.opt: New file.
13032 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13033 LINUX_DYNAMIC_LINKER): Define.
13034 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13035 * config.gcc (*-*-linux*): Define extra_options.
13036 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13037 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13038 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13039 GLIBC_DYNAMIC_LINKER.
13040 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13041 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13042 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13043 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13044 * doc/invoke.texi (GNU/Linux Options): New section.
13046 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13048 * config/sparc/sparc.md (setjmp): Rewrite.
13049 (setjmp_32): Delete.
13050 (setjmp_64): Likewise.
13052 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13054 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13057 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13059 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13062 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13064 PR rtl-optimization/26296
13065 * Makefile.in (loop-invariant.c): Add except.h dependency.
13066 * loop-invariant.c: Include except.h.
13067 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13069 2005-02-16 Paul Brook <paul@codesourcery.com>
13071 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13074 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13076 PR rtl-optimization/25636
13077 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13078 when deciding whether an insn is an initializing insn.
13080 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13082 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13083 (tree_code_size): Ditto.
13084 * tree.h (struct tree_memory_tag): Remove parent_var.
13085 (struct tree_struct_field_tag): New.
13088 (union tree_node): Add sft member.
13089 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13091 (create_sft): Add size and offset argument, set SFT_OFFSET and
13093 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13094 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13095 * tree-flow-inline.h (get_subvar_at): Update for
13096 SFT_OFFSET/SFT_SIZE.
13097 (var_can_have_subvars): Ditto.
13098 (overlap_subvar): Ditto.
13099 * print-tree.c (print_node): Print out interesting things for
13101 * tree-flow.h (struct subvar): Remove offset and size members.
13102 * tree-ssa-operands.c (get_expr_operands): Update for
13103 get_indirect_ref_operands changes.
13104 (get_indirect_ref_operands): Call add_virtual_operand instead of
13105 add_stmt_operand. Only recurse on base var if requested.
13106 (access_can_touch_variable): New function.
13107 (add_stmt_operand): Split virtual operand handling into ...
13108 (add_virtual_operand): Here. Add offset, size, and for_clobber
13109 arguments. Prune alias sets.
13110 (add_call_clobber_ops): Call add_virtual_operand.
13112 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13114 PR middle-end/26300
13115 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13117 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13118 than TREE_CODE as index into omp_clause_num_ops array.
13120 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13122 PR rtl-optimization/26184
13123 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13125 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13126 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13127 must_precede, must_follow and tobe_scheduled.
13130 * opts.c (common_handle_option): Free new_option pointer.
13131 * df-core.c (df_analyze): Free postorder pointer.
13133 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13135 * Makefile.in: Fix the examples about the use of stamps
13137 2006-02-15 Michael Matz <matz@suse.de>
13139 PR middle-end/22275
13141 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13142 influenced by maximum_field_alignment or DECL_PACKED.
13143 (update_alignment_for_field): Ditto.
13144 (place_field): Ditto.
13145 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13148 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13150 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13151 (debug_flow_info): Pass it.
13152 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13153 * bb-reorder.c (reorder_basic_blocks): Likewise.
13154 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13155 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13156 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13157 * gcse.c (gcse_main, bypass_jumps): Likewise.
13158 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13159 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13160 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13161 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13162 * rtl.h (dump_flow_info): Adjust prototype.
13163 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13164 * var-tracking.c (variable_tracking_main): Likewise.
13165 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13166 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13169 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13171 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13174 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13176 PR tree-optimization/26209
13177 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13178 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13180 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13182 2006-02-14 Roger Sayle <roger@eyesopen.com>
13184 PR middle-end/23670
13185 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13186 (X,Y) and the corresponding symmetry related transformations.
13187 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13188 (X,Y) and its symmetry related transformations.
13190 2006-02-14 Roger Sayle <roger@eyesopen.com>
13192 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13195 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13197 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13199 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13202 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13203 support COMDAT group.
13204 * configure: Regenerate.
13206 2006-02-14 Roger Sayle <roger@eyesopen.com>
13208 PR middle-end/26279
13209 PR middle-end/26280
13210 PR middle-end/26283
13211 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13213 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13215 Fix PR tree-optimization/26260
13217 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13219 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13220 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13221 * tree-ssa-structalias.c (create_variable_info_for): Use
13222 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13224 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13226 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13228 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13229 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13230 of the ending condition.
13231 * tree-ssa-loop-manip.c: Include params.h.
13232 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13233 tree_unroll_loop): New functions.
13234 * tree-pass.h (pass_loop_prefetch): Declare.
13235 * loop.c (rest_of_handle_loop_optimize): Test for
13236 -fprefetch-loop-arrays-rtl.
13237 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13238 * timevar.def (TV_TREE_PREFETCH): New timevar.
13239 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13240 pass_loop_prefetch): New.
13241 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13242 (cleanup_tree_cfg_loop): Call scev_reset.
13243 * common.opt (fprefetch-loop-arrays-rtl): Add.
13244 * tree-ssa-loop-prefetch.c: New file.
13245 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13246 (new_temp_expr_table): Initialize expr_vars.
13247 (free_temp_expr_table): Cleanup expr_vars.
13248 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13249 expressions from being merged into one.
13250 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13251 (struct tree_niter_desc): Add control, bound and cmp fields.
13252 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13254 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13255 (tree-cfgcleanup.o): Add SCEV_H dependency.
13256 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13257 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13259 2006-02-14 Richard Guenther <rguenther@suse.de>
13261 PR tree-optimization/26258
13262 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13263 in PHI argument processing.
13265 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13267 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13268 new expression in the requested machine mode.
13270 2006-02-13 Roger Sayle <roger@eyesopen.com>
13272 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13273 directly, instead let do_compare_rtx_and_jump handle this for us.
13274 * expr.c (expand_expr_real_1): Likewise.
13275 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13276 before do_jump_by_parts_greater.
13277 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13278 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13280 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13282 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13284 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13286 PR rtl-optimization/26235
13287 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13288 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13291 2006-02-13 Jeff Law <law@redhat.com>
13293 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13296 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13298 PR middle-end/26092
13299 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13300 twice if decl is a builtin. When trying again, call get_callee_fndecl
13301 first to verify it is still a builtin.
13303 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13305 * dwarf2out.c (base_type_die): Don't add AT_name here.
13306 (subrange_type_die): Don't add AT_name here.
13307 (modified_type_die): Rearrange code flow. Do add AT_name here.
13309 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13311 PR rtl-optimization/26247
13312 PR rtl-optimization/26248
13313 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13315 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13317 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13318 * config/fixtfdi.c: Likewise.
13319 * config/fixunstfdi.c: Likewise.
13320 * config/floatditf.c: Likewise.
13322 2006-02-13 Roger Sayle <roger@eyesopen.com>
13324 PR middle-end/24427
13325 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13326 into (X,C2) if C1 is a subset of the bits of C2. Transform
13327 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13329 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13331 2006-02-13 Josh Conner <jconner@apple.com>
13334 * varasm.c (function_section): Check for section name before
13335 calling select_section on targets that define
13336 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13337 unlikely_text_section instead of hot_function_section if
13338 first_function_block_is_cold.
13340 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13342 PR middle-end/25335
13343 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13345 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13347 PR rtl-optimization/26222
13348 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13349 after tree->rtl expansion.
13350 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13351 before passing it to emit_move_insn.
13353 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13355 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13357 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13358 Clarify documentation.
13359 * c-common.h (warn_write_strings): Remove.
13360 * c-common.c (warn_write_strings): Likewise.
13361 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13364 2006-02-12 Roger Sayle <roger@eyesopen.com>
13366 PR middle-end/25724
13367 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13368 (do_jump_parts_zero_rtx): New function renamed from
13369 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13370 (do_jump_parts_equality_rtx): New function split out from
13371 do_jump_parts_equality. Old implementation renamed as above.
13372 Call do_jump_parts_zero_rtx if either operand is zero.
13373 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13374 do all of the heavy lifting.
13375 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13376 calling either do_jump_by_parts_greater_rtx or
13377 do_jump_by_parts_equality_rtx.
13378 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13379 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13380 moved to do_compare_rtx_and_jump, call it directly.
13381 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13382 mode argument. Call do_compare_rtx_and_jump.
13383 (emit_case_nodes): Update calls to do_jump_if_equal.
13385 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13387 PR rtl-optimization/26225
13388 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13390 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13392 PR rtl-optimization/26232
13393 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13395 2006-02-11 Jason Merrill <jason@redhat.com>
13398 * tree-inline.c (declare_return_variable): Just don't use the
13399 modify target if it's a gimple complex reg and the return slot
13402 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13404 * doc/contrib.texi: Update my entry.
13406 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13408 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13410 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13412 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13415 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13417 * doc/invoke.texi (-floop-optimize2): Removed.
13418 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13419 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13420 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13421 * common.opt (floop-optimize2): Removed.
13422 (fmove-loop-invariants): Enabled by default.
13424 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13426 * tree-if-conv.c (combine_blocks): Free the result of
13427 get_loop_exit_edges.
13429 2006-02-10 Jeff Law <law@redhat.com>
13431 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13433 PR tree-optimization/26213
13434 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13435 loop trying to follow SSA_NAME_VALUE chains.
13437 2006-02-10 Richard Guenther <rguenther@suse.de>
13439 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13440 deal with structures that end in implicitly variable sized arrays.
13442 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13444 PR rtl-optimization/24762
13445 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13448 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13450 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13451 (struct ivopts_data): Add regs_used field.
13452 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13453 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13454 instead of loop_data->regs_used;
13455 (free_loop_data): Do not free aux fields for loops.
13456 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13457 and tree_ssa_iv_optimize_finalize.
13459 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13461 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13463 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13466 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13467 computing the effective result type.
13469 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13471 PR inline-asm/16194
13472 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13473 (tree_overlaps_hard_reg_set): Declare.
13474 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13475 type and signature to match function type expected by walk_tree.
13476 (tree_overlaps_hard_reg_set): New function.
13477 (decl_conflicts_with_clobbers_p): Rename to:
13478 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13479 Use tree_overlaps_hard_reg_set. Changed caller.
13480 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13481 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13482 * cris.c (cris_md_asm_clobbers): Likewise.
13484 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13486 * reload1.c (emit_input_reload_insns): Delete code that tries to
13487 inherit using find_equiv_reg.
13489 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13491 * c-common.h (flag_const_strings): Don't declare.
13492 * c-common.c (flag_const_strings): Remove.
13493 * c.opt (fconst_strings): Remove.
13494 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13495 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13496 (c_common_init_options): Don't set flag_const_strings.
13497 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13499 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13501 * arm.md (tlobits_cbranch): New pattern.
13502 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13503 testing a single bit.
13505 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13508 * tree-ssa-pre.c (create_component_ref_by_pieces):
13509 Handle RETURN_DECL like VAR_DECL.
13511 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13513 PR middle-end/26134
13514 * fold-const.c (fold_indirect_ref_1): Fold
13515 "*(foo *)&complexfoo" to "__real__ complexfoo"
13516 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13518 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13520 * tree-flow-inline.h (var_can_have_subvars):
13521 Volatile variables should not have subvariables.
13523 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13526 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13527 multiplying unsigned values.
13530 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13532 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13534 2006-02-08 Jason Merrill <jason@redhat.com>
13537 * tree.def: Elaborate on difference from MODIFY_EXPR.
13538 * doc/c-tree.texi (INIT_EXPR): Likewise.
13539 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13540 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13541 (gimplify_target_expr): Likewise.
13542 (gimplify_cond_expr): Remove target handling.
13543 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13544 (gimplify_expr): Clobber it here.
13545 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13546 Do return slot optimization if we have an INIT_EXPR.
13549 * tree-inline.c (declare_return_variable): Also clear
13550 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13553 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13555 PR middle-end/22439
13556 * gimplify.c (gimplify_one_sizepos): Fix typo.
13558 2006-02-08 Jeff Law <law@redhat.com>
13560 PR tree-optimization/21417
13561 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13562 across a backedge if the control statement at the end of the
13563 block is data dependent on other statements in the same block.
13564 (record_temporary_equivalences_from_stmts): Remove over-conservative
13565 test for threading across backedges.
13567 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13568 control statement, handle all three special cases in the same
13569 manner as they all have the same desired solution. No longer
13570 special case edge flag updating when the post dominator is
13573 2006-02-08 Roger Sayle <roger@eyesopen.com>
13575 * tree.def (CHAR_TYPE): Remove.
13576 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13577 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13578 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13579 (gen_string_type_die): Delete unreachable function.
13581 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13582 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13583 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13584 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13585 * builtins.c (type_to_class): Likewise.
13586 * fold-const.c (fold_convert, build_range_check,
13587 merge_ranges): Likewise.
13588 * expr.c (count_type_elements): Likewise.
13589 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13590 * stor-layout.c (layout_type): Likewise.
13591 * ipa-type-escape.c (type_to_consider): Likewise.
13592 * gimplify.c (omp_firstprivatize_type_sizes,
13593 gimplify_type_sizes): Likewise.
13594 * explow.c (promote_mode): Likewise.
13595 * tree-sra.c (is_sra_scalar_type): Likewise.
13596 * varasm.c (output_constant): Likewise.
13597 * tree-inline.c (remap_type_1): Likewise.
13598 * convert.c (convert_to_pointer, convert_to_real,
13599 convert_to_integer, convert_to_complex): Likewise.
13601 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13603 * df-scan.c (df_def_record_1): A set destination may
13604 be a parallel regardless of mode.
13606 2006-02-08 Roger Sayle <roger@eyesopen.com>
13609 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13610 * config/mips/_tilib.c: Remove.
13611 * config/fixtfdi.c: New libgcc source file.
13612 * config/fixunstfdi.c: New source file.
13613 * config/floatditf.c: New source file.
13614 * config/floatunditf.c: New souce file.
13615 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13616 files above instead of config/mips/_tilib.c.
13617 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13619 2006-02-08 Jeff Law <law@redhat.com>
13621 PR tree-optimization/26169
13622 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13625 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13627 * df.h (DF_REG_SIZE): Return the length of the initialized
13630 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13632 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13633 __muldf3): Return a correctly signed zero.
13635 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13637 * passes.c (register_one_dump_file): Accept the current properties
13638 instead of pass number. Adjust call to dump_register. Remove
13640 (register_dump_files): Now a wrapper around...
13641 (register_dump_files_1): ... this one. Do not modify the pass
13643 (next_pass_1): Cosmetic fix.
13644 (execute_todo): Keep second parameter only. Use curr_properties
13645 instead of fetching it from the pass structure. Check and set
13647 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13648 instead of fetching it from the pass structure. Fix calls to
13649 execute_todo. Update curr_properties and initialize .vcg RTL dump
13650 after running the pass. Reset last_verified.
13651 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13653 (FIRST_AUTO_NUMBERED_DUMP): New.
13654 (dump_register): Remove "num" parameter, assign it within the
13656 (get_dump_file_name): Modify template for dumps.
13657 * tree-dump.h (dump_register): Adjust prototype.
13658 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13659 (PROP_trees): Add PROP_gimple_lomp.
13660 (TODO_set_props): New.
13661 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13662 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13663 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13665 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13667 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13668 (sparc64-*-linux*): Likewise.
13669 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13670 * config/sparc/t-linux: New file.
13671 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13672 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13673 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13674 -m32 -mlong-double-128.
13676 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13677 * config/alpha/t-linux: New file.
13678 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13680 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13681 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13682 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13683 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13684 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13685 (CPP_ARCH32_SPEC): Remove.
13687 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13689 PR tree-optimization/26145
13690 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13693 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13696 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13697 >= 240000 when generating code for SOM runtime.
13698 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13699 to $$dyncall when generating code for SOM runtime..
13701 2006-02-07 Dirk Mueller <dmueller@suse.com>
13704 * doc/invoke.texi (-Wsequence-point): Update documentation
13705 that -Wsequence-point is implemented for C++ as well.
13707 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13709 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13710 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13711 (LIB_SPEC): Likewise.
13712 * doc/invoke.texi (SPARC options): Document -pthread.
13714 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13716 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13719 2006-02-07 Roger Sayle <roger@eyesopen.com>
13721 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13722 Correct comment describing BOOLEAN_TYPE.
13724 2006-02-07 Dirk Mueller <dmueller@suse.com>
13726 * c.opt: C++ frontend supports -Wdiv-by-zero.
13727 * c-opts.c (c_common_handle_option): Remove dead case.
13729 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13731 * configure.ac (TLS assembler check): Do not enable TLS by
13732 default on SPARC/Solaris before version 10.
13733 * configure: Regenerate.
13735 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13737 * doc/invoke.texi (xl-compat): Document conversion and support
13740 2006-02-07 Jeff Law <law@redhat.com>
13742 * tree-vrp.c (find_conditional_asserts): Update comments.
13743 (simplify_stmt_for_jump_threading): New.
13744 (identify_jump_threads, finalize_jump_threads): New.
13745 (vrp_finalize): Call identify_jump_threads.
13746 (execute_vrp): Call finalize_jump_threads.
13747 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13748 (vrp_element, vrp_data, vrp_element_p): Remove.
13749 (vrp_hash_elt, vrp_variables_stack): Remove.
13750 (vrp_hash, vrp_eq, record_range): Remove.
13751 (simplify_cond_and_lookup_avail_expr): Remove.
13752 (extract_range_from_cond): Remove.
13753 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13754 (simplify_stmt_for_jump_threading): New.
13755 (dom_thread_across_edge): New wrapper.
13756 (tree_ssa_dominator_optimize): No longer initialize or
13757 finalize any of the VRP datastructures. Remove iteration
13758 step and simplify as a result of removal of iteration step.
13759 (pass_dominator): Perform a cfg cleanup after DOM.
13760 (dom_opt_finalize_block): Use the new common routines
13761 for threading jumps. Simplify stack management slightly.
13762 No longer need to unwind VRP state.
13763 (record_equivalences_from_incoming_edge): No longer record
13765 (eliminate_redundant_computations): No longer call
13766 simplify_cond_and_lookup_avail_expr.
13767 * tree-flow.h (potentially_threadable_block): Prototype.
13768 (thread_across_edge): Likewise.
13769 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13770 (tree-ssa-threadedge.o): Add dependencies.
13771 * tree-ssa-threadedge.c: New file.
13772 * passes.c (init_optimization_passes): Merge PHIs before
13773 calling VRP. Run VRP again late in the SSA optimization pipeline.
13775 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13777 * df-core.c (df_set_blocks): Do not dereference function pointers.
13778 (df_finish1): Likewise.
13779 (df_hybrid_search_forward): Likewise.
13780 (df_hybrid_search_backward): Likewise.
13781 (df_iterative_dataflow): Likewise.
13782 (df_analyze_problem): Likewise.
13783 (df_compact_blocks): Likewise.
13784 (df_dump): Likewise.
13785 * df-scan.c (df_rescan_blocks): Likewise.
13786 (df_record_entry_block_defs): Likewise.
13788 * genconditions.c (write_conditions): Guard the definition of
13789 'insn_conditions' with the check on GCC version.
13790 (write_writer): Guard the traversal 'insn_conditions' with
13791 the check on GCC version.
13793 2006-02-07 Richard Guenther <rguenther@suse.de>
13797 2006-01-30 Richard Guenther <rguenther@suse.de>
13799 * gimplify.c (gimplify_target_expr): Handle easy cases
13800 without creating a temporary.
13802 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13804 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13805 use of float in probability computations. Use edge probabilities
13806 in place of statically computed probabilities.
13807 (min_spec_prob): New static variable.
13808 (schedule_insns): Initialize it.
13809 (GET_SRC_PROB): Removed.
13810 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13812 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13815 * config/ia64/unwind-ia64.c: Revert last change.
13816 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13817 (INCOMING_FRAME_SP_OFFSET): Define.
13819 2006-02-06 Roger Sayle <roger@eyesopen.com>
13821 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13823 2006-02-07 Ben Elliston <bje@au.ibm.com>
13825 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13826 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13827 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13828 (ix86_return_in_memory): Handle TDmode.
13829 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13830 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13832 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13834 * reorg.c (dbr_schedule): Use dump_file instead of file.
13836 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13839 * config/ia64/predicates.md (extr_len_operand): New predicate.
13840 * config/ia64/ia64.md (extv): Tighten constraints.
13842 (*tbit_and_2): Ditto.
13843 (*tbit_and_3): Ditto.
13844 (*tbit_or_2): Ditto.
13845 (*tbit_or_3): Ditto.
13846 (*bit_zero): Ditto.
13849 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13852 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13854 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13856 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13857 loop_optimizer_init and loop_optimizer_finalize
13858 * tree-ssa-sink.c (execute_sink_code): Ditto.
13859 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13860 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13861 tree_ssa_loop_done): Ditto.
13862 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13863 * sched-ebb.c: Include output.h.
13864 (schedule_ebbs): Do not use dump argument.
13865 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13866 * loop.c (loop_dump_stream): Removed.
13867 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13869 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13870 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13871 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13872 loop_iterations, strength_reduce, record_biv, record_giv,
13873 final_giv_value, check_final_value, check_ext_dependent_givs,
13874 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13875 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13876 dump_file instead of loop_dump_stream.
13877 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13878 argument dump_file.
13879 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13881 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13882 * haifa-sched.c: Include output.h
13883 (schedule_insns, sched_init): Do not use dump argument.
13884 * mode-switching.c (optimize_mode_switching): Ditto.
13885 * modulo-sched.c (stats_file): Removed.
13886 (print_node_sched_params): Do not call argument dump_file.
13887 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13888 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13890 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13892 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13893 rtl_loop_init, rtl_loop_done): Ditto.
13894 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13895 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13897 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13898 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13899 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13900 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13901 * emit-rtl.c (renumber_insns): Ditto.
13902 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13903 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13904 * regclass.c (regclass): Ditto.
13905 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13906 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13907 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13908 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13910 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13911 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13913 * gcse.c (gcse_file, debug_stderr): Removed.
13914 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13915 rest_of_handle_gcse): Do not use dump argument.
13916 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13917 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13918 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13919 compute_code_hoist_vbeinout, compute_code_hoist_data,
13920 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13921 compute_store_table, build_store_vectors, insert_insn_start_bb,
13922 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13923 store_motion): Use dump_file instead of gcse_file.
13924 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13925 * profile.c (profile_dump_file): Removed.
13926 (branch_prob): Use dump_file instead of profile_dump_file.
13927 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13929 * tree-ssa-copy.c (dump_copy_of): Ditto.
13930 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13931 dump file to life_analysis.
13932 * bt-load.c (branch_target_load_optimize): Ditto.
13933 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13935 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13936 regclass, dbr_schedule): Declaration changed.
13937 * sched-int.h (sched_init): Declaration changed.
13938 * tree-profile.c (tree_profile_dump_file): Removed.
13939 (tree_profile_hooks): Removed profile_dump_file hook.
13940 * rtl-profile (rtl_profile_dump_file): Removed.
13941 (rtl_profile_hooks): emoved profile_dump_file hook.
13942 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13944 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13945 * tree-cfg.c (build_tree_cfg): Ditto.
13946 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13947 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13948 Declaration changed.
13949 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13950 life_analysis and schedule_insns.
13951 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13953 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13955 * config/mips/mips.c (mips_reorg): Ditto.
13956 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13959 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13961 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13962 (s390_mangle_fundamental_type): New.
13963 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13966 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13967 (alpha_mangle_fundamental_type): New.
13968 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13971 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13973 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13975 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13976 (sparc_mangle_fundamental_type): New.
13978 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13980 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13981 (s390x-*-linux*): Likewise.
13982 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13983 * config/s390/t-linux: New file.
13985 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13987 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13988 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13990 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13992 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13993 (ANTIC_SAFE_LOADS): New macro.
13994 (find_or_generate_expression): Add prototype.
13995 (set_contains_value): Allow null set for sake of not always having
13996 to allocate ANTIC_SAFE_LOADS.
13997 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13998 Allow COMPONENT_REF too.
13999 (valid_in_set): Allow COMPONENT_REF.
14000 Check ANTIC_SAFE_LOADS too.
14001 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14002 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14004 (can_PRE_operation): Add COMPONENT_REF.
14005 (create_component_ref_by_pieces): New function.
14006 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14007 (insert_aux): Move AGGREGATE_TYPE_P check here.
14008 (compute_avail): Set bb local stmt uids.
14009 (pass_pre): Use TODO_update_ssa_only_virtuals.
14011 2006-02-06 Ben Elliston <bje@au.ibm.com>
14013 * configure.ac: Unconditionally disable decimal float by default.
14014 * configure: Regenerate.
14016 2006-02-06 Ben Elliston <bje@au.ibm.com>
14018 * read-rtl.c (read_name): Terminate reading on EOF.
14020 2006-02-06 Ben Elliston <bje@au.ibm.com>
14022 * dfp.c (decimal_real_arithmetic): Change second argument type
14023 from int to enum tree_code. Do not always return true, but now
14024 return result of any call to decimal_do helper functions.
14025 * dfp.h (decimal_real_arithmetic): Update prototype.
14027 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14029 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14031 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14034 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14037 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14039 * tree-vrp.c (cfg_loops): Removed.
14040 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14041 Use current_loops instead of cfg_loops. Pass flags to
14042 loop_optimizer_init.
14043 * cfgloopmanip.c (fix_loop_structure): Update only available
14045 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14046 loop_optimizer_init.
14047 * modulo-sched.c (build_loops_structure): Removed.
14048 (sms_schedule): Use loop_optimizer_init.
14049 * loop-init.c (loop_optimizer_init): Use flags to determine
14050 which properties of loops to prepare.
14051 (rtl_loop_init): Pass flags to loop_optimizer_init.
14052 * tree-ssa-sink.c (execute_sink_code): Ditto.
14053 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14054 * tree-ssa-pre.c (init_pre): Ditto.
14055 * cfgloop.h (LOOPS_NORMAL): New.
14056 (loop_optimizer_init): Declaration changed.
14058 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14060 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14061 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14063 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14065 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14067 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14068 * pa/t-pa64: Delete quadlib.c rule.
14069 * pa/x-ada: Revert last change.
14070 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14072 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14074 PR rtl-optimization/26087
14075 * rtlanal.c (canonicalize_condition): Do not cross basic block
14078 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14081 * config/ia64/ia64.c: Include debug.h.
14082 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14083 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14084 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14085 (process_epilogue, process_set, process_for_unwind_directive):
14086 Output unwind info only if requested. Add CFA info if requested.
14087 Add new arguments as needed. Adjust callers.
14088 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14090 (DWARF2_FRAME_INFO): Define to zero.
14091 * config/ia64/unwind-ia64.c: Remove code that compensated for
14092 the CFA offset error fixed above.
14093 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14094 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14095 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14096 -funwind-tables and -fexceptions to enable frame info.
14097 (dwarf2out_frame_init): Define initial CFA even if
14098 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14099 DWARF2_UNWIND_INFO is nonzero, not just defined.
14100 (dwarf2out_frame_finish): Output non-EH call frame info only
14101 if DWARF2_FRAME_INFO is nonzero.
14102 (convert_cfa_to_loc_list,
14103 compute_frame_pointer_to_cfa_displacement): Define even if
14104 unwind info is not supported.
14105 (gen_subprogram_die): Use the above unconditionally. Remove
14106 legacy alternate code.
14107 * toplev.c (compile_file): Compile in call to
14108 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14109 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14111 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14112 Jakub Jelinek <jakub@redhat.com>
14114 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14115 IBM extended float format long double as "g" on powerpc*-linux.
14117 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14120 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14121 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14123 2006-02-03 Jason Merrill <jason@redhat.com>
14126 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14128 PR middle-end/25977
14129 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14130 on the return slot if it's an NRV.
14132 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14134 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14135 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14136 rewrite_use): Do not handle USE_OUTER.
14137 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14138 add_iv_outer_candidates, may_replace_final_value,
14139 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14140 (find_interesting_uses_op): Functionality of
14141 find_interesting_uses_outer_or_nonlin moved here.
14142 (find_interesting_uses_outside): Use find_interesting_uses_op.
14144 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14147 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14149 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14150 Ulrich Weigand <uweigand@de.ibm.com>
14153 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14154 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14155 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14156 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14158 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14159 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14160 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14161 Define secondary reloads for TFmode moves.
14162 (constant_modes): Add TFmode.
14163 (NR_C_MODES): Set to 8.
14164 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14166 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14167 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14168 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14169 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14170 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14171 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14172 (FPR mode macro): Add TFmode.
14173 (DSF mode macro): New.
14174 (<de>, <dee> mode attributes): Removed.
14175 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14176 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14177 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14178 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14179 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14180 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14181 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14182 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14183 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14184 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14185 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14186 "*negabs<mode>2", "sqrt<mode>2"):
14187 Changed <de> to <xde>. R constraint replaced by <Rf>.
14188 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14190 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14191 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14192 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14194 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14195 "extenddftf2", "extendsftf2"): New expanders.
14196 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14197 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14198 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14199 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14201 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14202 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14203 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14204 __floatditf): Add a GCC_4.1.0 symbol version tag.
14205 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14208 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14211 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14212 Use targetm.binds_local_p instead of TREE_PUBLIC.
14214 2006-02-02 Roger Sayle <roger@eyesopen.com>
14216 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14217 on INTEGER_TYPEs to indicate that it denotes a character type.
14218 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14219 signed_char_type_node, unsigned_char_type_node and char_type_node.
14220 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14221 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14222 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14224 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14225 Daniel Berlin <dberlin@dberlin.org>
14227 * tree-tailcall.c (arg_needs_copy_p): New function.
14228 (eliminate_tail_call): Use arg_needs_copy_p.
14229 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14230 (add_virtual_phis): New function.
14232 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14234 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14235 #ignore instead of #scratch for %g7 .register directive.
14237 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14239 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14242 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14244 * flow.c (calculate_global_regs_live): Assert that there aren't any
14247 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14249 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14250 what its name says.
14251 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14252 bsi_after_labels iterator.
14253 * tree-if-conv.c (find_phi_replacement_condition,
14254 replace_phi_with_cond_modify_expr): Likewise.
14255 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14256 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14258 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14260 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14262 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14265 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14266 array after growing it.
14268 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14270 PR middle-end/24901
14271 * fold-const.c (fold_checksum_tree): Change type of buf.
14273 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14275 * reload.c (push_secondary_reload): Initialize t_icode.
14277 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14279 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14280 -msoft-float -mlong-double-128 only issue a warning, but don't
14281 swich to DFmode long double.
14283 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14285 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14286 has a constant equivalent, iterate over equivalents for arg0,
14287 calling simplify_relational_operation and if there's a result
14288 cheaper than X, apply fold_rtx and return the result.
14290 2006-02-01 Jan Hubicka <jh@suse.cz>
14292 * opts.c (no_unit_at_a_time_default): New global variable.
14293 (decode_options): Use it.
14294 * opts.h (no_unit_at_a_time_default): Declare.
14296 2006-02-01 Paul Brook <paul@codesourcery.com>
14298 * function.c (assign_parm_setup_reg): Use function argument promotion
14300 * expr.c (expand_expr_real_1): Use function argument promotion rules
14303 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14305 * gcc.c (process_command): Change j to 'unsigned int'.
14307 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14309 PR middle-end/26001
14310 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14311 Use the corrected index for the character
14312 out of the string constant.
14314 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14316 * mode-switching.c (optimize_mode_switching): Fix size
14317 allocated for bb_info[n_entities].
14319 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14321 * gcc.c (main): Correct type that is allocated for
14322 explicit_link_files.
14324 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14326 * config/s390/s390.c (init_alignment_context): Set
14327 ALIAS_SET_MEMORY_BARRIER on the MEM.
14328 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14330 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14332 PR middle-end/25933
14333 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14335 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14338 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14340 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14341 * regrename.c: Ditto.
14342 * tree-ssa-loop-im.c: Ditto.
14343 * tree-dump.c: Ditto.
14344 * tree-complex.c: Ditto.
14345 * genrecog.c: Ditto.
14346 * tree-ssa-threadupdate.c: Ditto.
14348 * java/class.c: Ditto.
14349 * java/jcf-parse.c: Ditto.
14350 * java/resource.c: Ditto.
14351 * java/except.c: Ditto.
14352 * java/jvspec.c: Ditto.
14353 * java/jcf-write.c: Ditto.
14354 * java/jcf-path.c: Ditto.
14355 * java/gjavah.c: Ditto.
14356 * java/zextract.c: Ditto.
14357 * java/jcf-io.c: Ditto.
14358 * java/jcf.h: Ditto.
14359 * java/buffer.c: Ditto.
14360 * java/lang.c: Ditto.
14361 * java/parse-scan.y: Ditto.
14362 * java/lex.c: Ditto.
14363 * java/lex.h: Ditto.
14364 * cfgloopmanip.c: Ditto.
14365 * postreload-gcse.c: Ditto.
14366 * tree-ssa-loop-manip.c: Ditto.
14367 * postreload.c: Ditto.
14368 * tree-ssa-loop-ch.c: Ditto.
14371 * cppspec.c: Ditto.
14372 * diagnostic.c: Ditto.
14374 * genoutput.c: Ditto.
14376 * cfghooks.c: Ditto.
14377 * cfgloopanal.c: Ditto.
14378 * objc/objc-act.c: Ditto.
14380 * genextract.c: Ditto.
14381 * genautomata.c: Ditto.
14382 * pretty-print.c: Ditto.
14383 * genemit.c: Ditto.
14384 * cgraphunit.c: Ditto.
14386 * df-scan.c: Ditto.
14387 * haifa-sched.c: Ditto.
14388 * dominance.c: Ditto.
14390 * tree-ssa-loop-ivopts.c: Ditto.
14391 * df-core.c: Ditto.
14392 * mode-switching.c: Ditto.
14393 * modulo-sched.c: Ditto.
14395 * ipa-pure-const.c: Ditto.
14397 * fix-header.c: Ditto.
14399 * tree-stdarg.c: Ditto.
14400 * ipa-utils.c: Ditto.
14401 * loop-init.c: Ditto.
14402 * ipa-inline.c: Ditto.
14403 * cfganal.c: Ditto.
14405 * alloc-pool.c: Ditto.
14406 * dwarf2out.c: Ditto.
14408 * genattrtab.c: Ditto.
14409 * tree-ssa-loop-ivcanon.c: Ditto.
14410 * predict.c: Ditto.
14411 * timevar.c: Ditto.
14413 * fortran/gfortranspec.c: Ditto.
14414 * regmove.c: Ditto.
14415 * local-alloc.c: Ditto.
14416 * langhooks.c: Ditto.
14417 * function.c: Ditto.
14418 * tree-vectorizer.c: Ditto.
14420 * ipa-type-escape.c: Ditto.
14422 * tree-if-conv.c: Ditto.
14423 * profile.c: Ditto.
14425 * tree-data-ref.c: Ditto.
14426 * loop-unroll.c: Ditto.
14427 * treelang/treetree.c: Ditto.
14429 * bt-load.c: Ditto.
14430 * ggc-common.c: Ditto.
14432 * coverage.c: Ditto.
14434 * tree-cfgcleanup.c: Ditto.
14435 * tree-ssa-pre.c: Ditto.
14436 * cfgcleanup.c: Ditto.
14437 * loop-invariant.c: Ditto.
14438 * loop-iv.c: Ditto.
14439 * ipa-prop.c: Ditto.
14440 * print-tree.c: Ditto.
14441 * conflict.c: Ditto.
14442 * ggc-page.c: Ditto.
14443 * sched-deps.c: Ditto.
14444 * regclass.c: Ditto.
14445 * tree-object-size.c: Ditto.
14446 * combine.c: Ditto.
14447 * bb-reorder.c: Ditto.
14448 * resource.c: Ditto.
14449 * var-tracking.c: Ditto.
14450 * cfgloop.c: Ditto.
14451 * df-problems.c: Ditto.
14452 * reg-stack.c: Ditto.
14454 * gccspec.c: Ditto.
14455 * sched-rgn.c: Ditto.
14456 * tree-ssa-structalias.c: Ditto.
14457 * tree-ssa-reassoc.c: Ditto.
14458 * config/darwin-c.c: Ditto.
14459 * config/darwin.c: Ditto.
14460 * config/arm/arm.c: Ditto.
14462 * collect2.c: Ditto.
14463 * reload1.c: Ditto.
14465 2006-01-31 Nicolas Pitre <nico@cam.org>
14467 * arm.md (smaxsi3): Make aware of smax_m1.
14470 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14472 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14474 2006-01-31 Richard Guenther <rguenther@suse.de>
14476 * doc/invoke.texi (-msselibm): Document.
14477 * target.h (expand_library_builtin): New target hook.
14478 * builtins.c (expand_builtin): Use expand_library_builtin.
14479 (default_expand_library_builtin): New function.
14480 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14481 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14482 (link_gcc_math_spec): Declare.
14483 (static_specs): Add link_gcc_math_spec.
14484 * expr.h (default_expand_library_builtin): Declare.
14485 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14486 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14487 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14488 * config/i386/i386.opt (msselibm): New target option.
14489 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14490 (ix86_init_sse_abi_builtins): New function.
14491 (ix86_expand_library_builtin): Likewise.
14492 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14493 (override_options): Handle error conditions wrt -msselibm.
14494 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14495 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14496 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14499 2006-01-31 Richard Guenther <rguenther@suse.de>
14500 Paolo Bonzini <bonzini@gnu.org>
14502 * doc/install.texi (--disable-libgcc-math): Document.
14504 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14506 * expr.h (expand_normal): new inline function.
14507 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14508 * dojump.c: use it.
14509 * dwarf2out.c: use it.
14512 * expmed.c: use it.
14513 * except.c: use it.
14514 * config/sparc/sparc.c: use it.
14515 * config/i386/i386.c: use it.
14516 * config/rs6000/rs6000.c: use it.
14517 * config/arm/arm.c: use it.
14518 * config/mips/mips.c: use it.
14519 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14521 2006-01-30 Roger Sayle <roger@eyesopen.com>
14523 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14524 argv to the appropriate type.
14526 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14528 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14531 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14534 * config/s390/s390.c (struct machine_function): New flag
14535 decomposed_literal_pool_addresses_ok_p.
14536 (s390_reorg): Set it before final stage of literal pool transforms.
14537 (s390_decompose_address): Only accept displacements of the form
14538 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14540 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14542 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14543 the comparison routine return.
14545 2006-01-30 Michael Matz <matz@suse.de>
14547 * global.c (find_reg): Only evict for global regs.
14548 Take n_refs into account and dump more info.
14550 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14553 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14554 (pragma_trap, pragma_nosave_low_regs): Likewise.
14555 (current_function_anonymous_args): Likewise.
14556 (sh_deferred_function_attributes): New variable.
14557 (sh_deferred_function_attributes_tail): Likewise.
14558 (print_operand): For '@', look up trap_exit attribute.
14559 (calc_live_regs): Look up trapa_handler attribute. For trapa
14560 handlers, save/restore fpscr, but don't do any other
14561 interrupt-specific saves.
14562 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14563 Fix check for partially saved registers to check for SHmedia.
14564 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14565 (sh_output_function_epilogue): Don't clear any of the removed
14567 (sh_insert_attributes): Don't check pragma_interrupt.
14568 Insert deferred attributes. Check that interrupt attribute is
14569 present for other attributes that require its presence.
14570 (sh_attribute_table): Add new attributes trapa_handler and
14572 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14573 Don't check for pragma_interrupt. Don't store argument.
14574 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14575 (sh_deferred_function_attributes): Declare.
14576 (sh_deferred_function_attributes_tail): Likewise.
14577 * sh.md (sp_switch_1): Add operand. Change generator caller.
14578 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14579 (*return_i): Don't use when trap_exit attribute is in effect.
14580 (*return_trapa): New insn pattern.
14581 * sh-c.c: New file.
14582 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14583 setting c_target_objs and cxx_target_objs.
14584 * t-sh: Add rule for sh-c.o.
14586 2006-01-30 Richard Guenther <rguenther@suse.de>
14589 * gimplify.c (gimplify_target_expr): Handle easy cases
14590 without creating a temporary.
14592 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14594 * vec.h (safe_grow): Remove duplicated line.
14596 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14599 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14600 (expand_omp): ... here.
14601 (expand_omp_parallel): Only remove barriers for combined
14602 parallel+workshare constructs.
14604 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14608 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14609 * tree.c (build_qualified_type): Chain the new type to the original
14610 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14611 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14612 (build_pointer_type_for_mode): Only return unqualified types.
14613 (build_reference_type_for_mode): Likewise.
14615 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14617 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14618 * Makefile.in (CXX_COMPAT_WARN): Define.
14619 * configure: Regenerate.
14621 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14624 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14627 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14629 * toplev.c: Fix thinko.
14631 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14632 Marcin Dalecki <martin@dalecki.de>
14634 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14635 (push_srcloc): Use XNEW.
14636 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14638 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14640 * df-core.c (df_set_blocks): Deleted all variable.
14642 2006-01-28 Ian Lance Taylor <ian@airs.com>
14644 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14645 cgraph_output_pending_asms.
14647 2006-01-28 Zack Weinberg <zackw@panix.com>
14649 * c.opt: Add -W(no-)overlength-strings.
14650 * doc/invoke.texi: Document it.
14651 * c-opts.c (c_common_handle_option): -pedantic implies
14652 -Woverlength-strings, if not explicitly disabled already.
14653 (c_common_post_options): -Woverlength-strings defaults to off, and
14654 is always off for C++.
14655 * c-common.c (fix_string_type): Issue warning about strings longer
14656 than is portable only if warn_overlength_strings. Rearrange code
14657 a little for clarity.
14658 * configure.in: Check for -Wno-overlength-strings as well before
14659 enabling -pedantic in stage 1.
14660 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14661 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14663 * genconditions.c (write_header, write_one_condition)
14664 (write_conditions, write_writer): Consolidate very long strings
14665 that were broken up to fit in C89 portable limit. Don't use
14666 printf when fputs will do.
14668 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14670 * combine.c (simplify_comparison <AND>): Check
14671 TRULY_NOOP_TRUNCATION before start using a subreg.
14673 * config/mips/mips.md (*branch_zero<mode>,
14674 *branch_zero<mode>_inverted, *branch_equality<mode>,
14675 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14676 Remove mode check from comparisons.
14678 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14680 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14682 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14684 * expmed.c (const_mult_add_overflow_p): Remove.
14685 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14687 * recog.c (validate_replace_rtx_subexp): Remove.
14688 * recog.h: Remove the prototype for
14689 validate_replace_rtx_subexp.
14691 * integrate.h: Remove the prototype for
14692 copy_decl_for_inlining.
14693 * rtl.h: Remove the prototype for mark_constant_function.
14694 * tree-vectorizer.h: Remove the prototype for
14695 vect_strip_conversion.
14697 * modulo-sched.c (create_partial_schedule,
14698 free_partial_schedule, reset_partial_schedule): Make them
14701 * hooks.c (hook_bool_rtx_int_false): Remove.
14702 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14704 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14706 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14707 and -mlong-double-128 are incompatible.
14708 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14709 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14710 (TARGET_LIBGCC2_CFLAGS): Define.
14711 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14712 (TARGET_LIBGCC2_CFLAGS): Same.
14713 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14715 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14718 * c-typeck.c (build_binary_op): Perform implicit casts of
14719 operands before shortening them.
14721 * cfgloopmanip.c (split_loop_bb): Remove.
14722 * cfgloop.h: Remove the prototype for split_loop_bb.
14724 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14725 * cfgloop.h: Remove the prototype for
14726 flow_loop_outside_edge_p.
14728 * emit-rtl.c (init_virtual_regs): Make it static.
14729 * function.h: Remove the prototype for init_virtual_regs.
14731 * recog.c (peephole2_optimize): Make it static.
14732 * recog.h: Remove the prototype for peephole2_optimize.
14734 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14736 * df-scan.c (df_record_entry_block_defs): Check if
14737 INCOMING_RETURN_ADDR_RTX is defined.
14739 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14740 Kenneth Zadeck <zadeck@naturalbridge.com>
14742 PR rtl-optimization/24762
14743 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14744 * targhooks.c (hook_void_bitmap): New hook prototype.
14745 * targhoohs.h (hook_void_bitmap): Ditto.
14746 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14747 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14748 * target.h (live_on_entry): New function pointer.
14749 * df-scan.c (df_all_hard_regs): Removed.
14750 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14751 (df_scan_free_internal): Added df->entry_block_defs.
14752 (df_scan_alloc): Ditto.
14753 (df_scan_dump): Ditto.
14754 (df_uses_record): Plumbed flag field properly thru calls.
14755 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14756 This part fixes PR24762.
14757 (df_bb_refs_record): Added code to make the frame and arg
14758 pointers live in EH blocks.
14759 (df_refs_record): Added call to df_record_entry_block_defs.
14760 (df_record_entry_block_defs): New function.
14761 * df-core.c: Added comments to describe new artifical defs.
14762 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14763 (entry_block_defs): New field in struct df.
14764 (df_all_hard_regs): Deleted.
14765 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14766 * df-problems.c (df_ru_bb_local_compute_process_def):
14767 Added code to handle artifical defs in the entry to a function.
14768 (df_ru_bb_local_compute): Ditto.
14769 (df_rd_bb_local_compute_process_def): Ditto.
14770 (df_rd_bb_local_compute): Ditto.
14771 (df_lr_bb_local_compute): Ditto.
14772 (df_ur_bb_local_compute): Ditto.
14773 (df_urec_bb_local_compute): Ditto.
14774 (df_chain_create_bb): Ditto.
14775 (df_ur_local_finalize): Removed entry.
14776 (df_urec_init): Ditto.
14777 (df_urec_local_finalize): Ditto.
14778 (df_ri_bb_compute): Added detection of last use of pseudos.
14779 * Makefile.in (df-scan.o): Updated dependencies.
14780 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14781 * config/mips/mips.c (mips_set_live_on_entry): Added.
14782 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14784 * dce.c (marked_insn_p): Added code to handle artifical defs.
14786 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14788 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14790 (_mm_cvtsi128_si64): Likewise.
14791 (_mm_cvtsd_si64): Likewise.
14792 (_mm_cvttsd_si64): Likewise.
14793 (_mm_cvtsi64_sd): Likewise.
14794 (_mm_cvtsi64_si128): Likewise.
14795 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14796 (_mm_cvtsi64_m64): Likewise.
14797 (_m_to_int64): Likewise.
14798 (_mm_cvtm64_si64): Likewise.
14799 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14800 (_mm_cvttss_si64): Likewise.
14801 (_mm_cvtsi64_ss): Likewise.
14802 (_mm_cvtss_f32): Likewise.
14804 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14806 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14807 for pragma redefine_extname.
14809 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14812 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14813 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14814 -mno-minimal-toc to previous content.
14815 (bispecs): Remove goal.
14816 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14817 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14818 compatibility aliases on powerpc-*-*gnu*.
14819 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14820 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14821 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14822 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14823 (ldblspecs): New goal.
14824 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14825 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14827 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14828 L_sf_to_tf or L_df_to_tf is defined.
14830 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14831 Alan Modra <amodra@bigpond.net.au>
14834 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14835 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14836 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14837 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14838 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14839 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14840 (rs6000_override_options): Initialize rs6000_ieeequad.
14841 Initialize TFmode format to ibm_extended_format if not
14843 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14845 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14846 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14847 (function_arg_advance): IBM long double passed in two FPRs, not
14849 (function_arg): IBM long double passed in FPRs.
14850 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14851 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14852 Only multireg GPR aligned.
14853 (rs6000_init_libfuncs): Enable IBM long double functions if not
14855 (rs6000_generate_compare): Use IBM long double compare if not
14857 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14858 (TARGET_IEEEQUAD): Define.
14859 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14860 not TARGET_IEEEQUAD.
14861 * config/rs6000/rs6000.md: Enable TFmode patterns if
14863 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14864 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14865 and -mlong-double-128 are incompatible.
14866 * doc/invoke.texi (-mabi): Collect options together. Add
14867 ibmlongdouble and ieeelongdouble.
14869 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14871 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14873 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14874 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14875 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14876 * rtl.h (rtunion_def): Remove rt_ptr.
14878 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14879 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14880 * config/i386/winnt.c (i386_pe_mark_dllexport)
14881 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14883 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14885 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14887 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14891 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14892 pthread_key_delete. From John David Anglin. gthrw-ify
14893 pthread_getunique_np only if it it's not a macro. Delete
14895 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14896 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14897 __gthread_objc_condition_signal, __gthread_key_delete): Add
14898 "__attribute__ ((__unused__))" to unused arguments.
14899 (__gthread_recursive_mutex_init_function): Add missing return.
14900 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14901 gthr-posix95.h: Use macro-based approach for name redirection
14902 on targets missing weakref.
14904 2006-01-26 Zack Weinberg <zackw@panix.com>
14906 * genconditions.c (write_header): In generated code, #ifdef out
14907 all includes and fake declarations, except includes of bconfig.h
14908 and system.h, unless GCC_VERSION >= 3001. Do not include
14909 gensupport.h in any case.
14910 (write_conditions): Generate a definition of struct c_test. Add
14911 a comment to the generated #endif.
14912 (write_one_condition): Escape backslashes in string too.
14913 (write_writer): Generated code must escape backslashes and quote
14914 marks (but not newlines) in the strings it writes.
14915 * Makefile.in (build/gencondmd.o): Update dependencies.
14917 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14920 * Makefile.in (insn-automata.o): Add header file dependencies.
14921 * genautomata.c: Add includes.
14923 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14926 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14928 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14930 * configure.ac: Expect target tools paths to be passed from the toplevel
14931 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14933 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14935 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14938 * c.opt (Wpointer-sign): Init to -1.
14939 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14940 OPT_pedantic, to 0 otherwise.
14941 * doc/invoke.texi: Update.
14943 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14945 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14946 constants provided by 80387 instructions in the destination mode.
14948 2006-01-26 Richard Guenther <rguenther@suse.de>
14949 Andrew Pinski <pinskia@physics.uc.edu>
14952 partial PR tree-opt/17064
14953 * tree-ssa-structalias.c (intra_create_variable_infos):
14954 Create heap variables for incoming parameters if
14955 flag_argument_noalias > 1.
14956 (find_what_p_points_to): Look through default defs of
14959 2006-01-26 Jeff Law <law@redhat.com>
14962 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14963 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14964 within the VR_RANGE, use the VR_RANGE as the result, not the
14966 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14967 bounds for the type.
14969 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14971 * tree-ssa-alias.c (maybe_create_global_var): Change
14972 subvar walking to an assertion that we don't have subvar'd variables.
14974 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14977 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14978 Use a new variable, inner. PARM_DECLs are always non-weak.
14980 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14982 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14983 --disable-checking.
14985 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14987 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14989 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14991 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14992 (smax_insn, smin_insn, smax_0, smin_0): New.
14994 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14997 * config/cris/cris.c (cris_order_for_addsi3): New function.
14998 * config/cris/cris-protos.h: Prototype it.
14999 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15000 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15001 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15002 (split for "op.S1 [rx=rx+i],ry (swapped)")
15003 (split for "op(s|u).S1 [rx=rx+i],ry")
15004 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15005 Apply cris_order_for_addsi3 when generating addsi3 insns.
15007 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15009 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15010 (TREE_BLOCK): Add call to EXPR_CHECK.
15012 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15015 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15016 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15017 (dump_omp_clauses): ... here.
15018 (dump_generic_node): Handle OMP_CLAUSE.
15019 * tree.c (omp_clause_num_ops): New.
15020 (omp_clause_code_name): New.
15021 (tree_code_size): Handle OMP_CLAUSE.
15022 (tree_size): Likewise.
15023 (make_node): Document handling of OMP_CLAUSE.
15024 (tree_node_structure): Handle OMP_CLAUSE.
15025 (omp_clause_check_failed): New.
15026 (omp_clause_range_check_failed): New.
15027 (omp_clause_operand_check_failed): New.
15028 (build_omp_clause): New.
15029 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15030 * tree.h (enum omp_clause_code): Declare.
15031 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15032 (OMP_CLAUSE_RANGE_CHECK): Define.
15033 (OMP_CLAUSE_ELT_CHECK): Define.
15034 (omp_clause_check_failed): Declare.
15035 (omp_clause_operand_check_failed): Declare.
15036 (omp_clause_range_check_failed): Declare.
15037 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15038 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15039 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15040 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15041 (OMP_CLAUSE_IF_EXPR): Likewise.
15042 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15043 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15044 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15045 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15046 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15047 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15048 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15049 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15050 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15051 (OMP_CLAUSE_CODE): Define.
15052 (OMP_CLAUSE_SET_CODE): Define.
15053 (OMP_CLAUSE_CODE): Define.
15054 (OMP_CLAUSE_OPERAND): Define.
15055 (struct tree_omp_clause): Declare.
15056 (union tree_node): Add field 'omp_clause'.
15057 * treestruct.def (TS_OMP_CLAUSE): Define.
15058 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15059 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15060 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15061 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15062 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15063 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15064 (OMP_CLAUSE): Define.
15065 * print-tree.c (print_node): Handle OMP_CLAUSE.
15066 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15067 * c-typeck.c: Likewise.
15068 * gimplify.c: Likewise.
15069 * c-omp.c: Likewise.
15070 * tree-nested.c: Likewise.
15071 * tree-inline.c: Likewise.
15072 * c-parser.c: Likewise.
15073 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15076 2006-01-25 Roger Sayle <roger@eyesopen.com>
15078 PR rtl-optimization/25703
15079 * combine.c (try_combine): Handle zero_extract and strict_low_part
15080 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15082 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15084 * global.c: Fix comment typos.
15086 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15089 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15090 Use output_addr_const instead of assemble_name.
15092 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15094 * Makefile.in (sched-vis.o): Update dependencies.
15095 * haifa-sched.c (sched_finish): Clear current_sched_info.
15096 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15097 (dump_flow_info): Call it.
15098 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15100 * basic-block.h (dump_bb_info): Declare.
15101 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15102 option, and apply options only for dump files whose TDF_RTL,
15103 TDF_TREE, or TDF_IPA bits match.
15104 * rtl.h: Declare new functions exported from sched-vis.c.
15105 * sched-vis.c: Enable also if scheduling is not used.
15106 (print_value): Print the mode of registers if not inside scheduling.
15107 (print_insn): Make it work outside the scheduler. Beautify the output
15109 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15111 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15113 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15114 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15115 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15116 depending on the value of CONSTANT_POOL_ADDRESS_P.
15117 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15119 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15120 rather than SYMBOL_REF_DECL.
15121 (rtx_constant_pool): Remove const_rtx_sym_htab.
15122 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15123 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15124 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15125 Remove handling of const_rtx_sym_htab.
15126 (find_pool_constant): Delete.
15127 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15128 rather than find_pool_constant.
15129 (get_pool_constant_for_function): Delete.
15130 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15131 find_pool_constant.
15132 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15133 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15134 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15135 (SYMBOL_REF_CONSTANT): New macro.
15136 (get_pool_constant_for_function): Delete.
15137 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15138 rather than SYMBOL_REF_DECL.
15139 (i386_pe_mark_dllimport): Likewise.
15140 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15141 rather than SYMBOL_REF_DECL.
15142 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15143 (machopic_indirect_call_target): Likewise.
15145 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15147 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15149 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15151 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15153 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15155 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15157 2006-01-24 David Daney <ddaney@avtrex.com>
15160 * configure.ac (enable_tls): New enable option.
15161 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15162 * configure: Regenerate.
15163 * doc/install.texi (--enable-tls): Document new option.
15164 (--disable-tls): Ditto.
15166 2006-01-24 Richard Henderson <rth@redehat.com>
15168 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15169 * alias.c (true_dependence): Respect it.
15170 (canon_true_dependence, write_dependence_p): Likewise.
15171 * builtins.c (get_builtin_sync_mem): Set it.
15173 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15175 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15178 2006-01-24 DJ Delorie <dj@redhat.com>
15180 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15181 for storing constants in single-bit bitfields.
15183 2006-01-25 Ben Elliston <bje@au.ibm.com>
15185 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15187 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15190 * tree-ssa-pre.c (phi_translate): Return NULL
15191 for AGGREGATE_TYPE's.
15193 2006-01-24 Zack Weinberg <zackw@panix.com>
15195 * genautomata.c (process_state_for_insn_equiv_partition):
15196 Use xcalloc for insn_arcs_array.
15197 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15198 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15200 2006-01-24 Richard Henderson <rth@redhat.com>
15202 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15203 update all callers.
15205 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15207 PR rtl-optimization/25890
15208 PR rtl-optimization/25905
15209 * combine.c (expand_compound_operation, expand_field_assignment):
15210 Fail if the bitfield's final position is out of bounds.
15212 2006-01-24 Ian Lance Taylor <ian@airs.com>
15214 PR middle-end/25930
15215 * cgraphunit.c (cgraph_output_in_order): Don't clear
15216 cgraph_asm_nodes until after asm strings have been output.
15218 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15220 * fix-header.c (read_scan_file): Add new parameter imultilib when
15221 calling register_include_chains.
15223 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15225 * omp-low.c: Update documentation.
15227 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15228 Daniel Berlin <dberlin@dberlin.org>
15232 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15233 return from the function.
15235 2006-01-22 Zack Weinberg <zackw@panix.com>
15237 * rtl.def (match_code): Add second argument.
15238 * genpreds.c (write_extract_subexp): New function.
15239 (write_match_code): Add path argument. Use write_extract_subexp.
15240 (write_predicate_expr): Pass path to write_match_code.
15241 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15242 not perform a mode test.
15243 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15244 a subexpression does not constrain the top-level code set.
15245 * read-rtl.c (read_rtx_variadic): New function.
15246 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15247 * doc/md.texi: Document new notation.
15248 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15249 (cmpsi_operand): ... here, using new notation.
15251 2006-01-22 Zack Weinberg <zackw@panix.com>
15253 * varray.c: Remove GENERATOR_FILE #ifdefs.
15255 2006-01-22 Zack Weinberg <zackw@panix.com>
15257 * genautomata.c (output_reserved_units_table): Emit nothing if
15258 description->query_units_num is zero. Remove extra blank line.
15259 (output_cpu_unit_reservation_p): Short circuit
15260 if description->query_units_num is zero.
15262 2006-01-22 Zack Weinberg <zackw@panix.com>
15264 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15265 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15266 nor any of the random handful of variables that used to be necessary
15267 when this program was linked with rtlanal.o. Prune set of forward
15268 function declarations.
15269 (struct attr_desc): Remove static_p field.
15270 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15271 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15272 (attr_string): Do not read the character one past the length of
15274 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15275 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15276 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15277 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15278 (make_automaton_attrs): New.
15279 (main): Do not call into genautomata. Call local gen_bypass
15280 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15281 Remove special case for insn_alts.
15282 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15283 varray.h (leftover from previous change). Prune set of forward
15284 function declarations. Remove state_alts fields from all
15285 structures. Remove state_alts_table from struct automaton.
15286 Make everything except main static. Do not maintain num_dfa_decls.
15287 Do not maintain state_alts fields of various structures.
15288 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15289 (add_arc): Remove state_alts argument. All callers updated.
15290 (output_reserved_units_table): Emit #ifdef here...
15291 (output_tables): ...not here. Don't generate state_alts tables.
15292 (expand_automata): Don't generate attributes.
15293 (write_automata): Don't generate state_alts functions.
15294 (main): New function.
15295 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15296 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15297 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15298 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15299 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15300 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15301 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15302 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15304 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15305 * genattrtab.h: Delete file.
15306 * Makefile.in (OBJS-common): Add insn-automata.o.
15307 (insn-automata.o): New rule.
15308 (simple_generated_c): Add insn-automata.c.
15309 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15310 (genprogmd): Add automata.
15311 (build/genattrtab): Needs no extra objects nor libraries.
15312 (build/genautomata): Needs build/vec.o and -lm.
15314 2006-01-22 Zack Weinberg <zackw@panix.com>
15316 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15317 (output_dfa_max_issue_rate, locked_states_num): Delete.
15318 (struct automaton): Add locked_states field.
15319 (output_dead_lock_vect): Save number of locked states in
15320 automaton->locked_states. If it is zero, don't print anything.
15321 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15322 (output_internal_dead_lock_func): Only test the dead_lock_vect
15323 for automata that have locked states.
15324 (output_statistics): Always print the number of locked states for
15325 each automaton. Calculate total number of locked states here.
15326 (write_automata): Don't call output_dfa_max_issue_rate.
15327 * genattrtab.c: Define length_unit_log as a const variable.
15328 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15329 max_insn_queue_index const.
15330 * final.c (length_unit_log): Declare const.
15331 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15333 2006-01-22 Zack Weinberg <zackw@panix.com>
15335 * genautomata.c: Include vec.h, not varray.h.
15336 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15337 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15338 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15339 VEC_* macros operating on appropriately typed vectors, or to
15340 malloced arrays when the size is known in advance. Const-ify
15341 many char* variables and function arguments. No functional changes.
15342 * Makefile.in (build/varray.o): Delete rule.
15343 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15344 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15346 2006-01-22 Zack Weinberg <zackw@panix.com>
15348 * gensupport.c: Define get_insn_name and record_insn_name here.
15349 (read_md_rtx): Call record_insn_name as appropriate.
15350 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15351 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15352 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15354 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15355 (BUILD_VARRAY): Delete.
15356 (genprognormal): Rename genprogmd. Fold in all programs from
15357 genprognoprint; also attrtab.
15358 (build/genattrtab): Just mention genautomata.o and varray.o.
15359 Reorganize a bit, add comments to make the categories clearer.
15361 2006-01-22 Zack Weinberg <zackw@panix.com>
15363 * genconditions.c (condition_table, add_condition): Delete.
15364 (write_conditions): Don't emit n_insn_conditions nor
15365 insn_elision_unavailable. Issue the gcc version #ifdef here,
15366 inside the table, with no #else clause ...
15367 (write_header): ...not here.
15368 (write_writer): New function.
15369 (main): Don't initialize condition_table. Use add_c_test.
15371 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15372 files on the command line.
15373 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15374 Return -1 if there is no entry in the table, don't abort.
15375 (add_c_test, traverse_c_tests): New functions.
15376 * gensupport.h (insn_elision_unavailable, insn_conditions)
15377 (n_insn_conditions): Delete declarations.
15378 (add_c_test, traverse_c_tests): Declare.
15379 * read-rtl.c: Include gensupport.h.
15380 (read_conditions): New function.
15381 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15382 (read_rtx_1): If we get EOF when we were looking for an initial
15383 open paren, return 0. Call read_conditions when appropriate.
15384 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15385 dummy-conditions.o. Eliminate references to insn-conditions.o,
15386 or change them to build/gencondmd.o, as appropriate. Remove
15387 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15388 from $(simple_generated_c). For all files remaining in those
15389 two lists, add insn-conditions.md to the generator command line.
15390 Give insn-constants.h/s-constants their own rules. Add rules
15391 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15392 (build/read-rtl.o): Depend on gensupport.h.
15393 (genprognormal): Include preds.
15394 (genprogearly): Rename genprognoprint; only difference is now that
15395 they don't link with $(BUILD_PRINT).
15396 * dummy-conditions.c: Delete.
15398 2006-01-22 Zack Weinberg <zackw@panix.com>
15400 * genextract.c: Don't include insn-config.h. Do include vec.h.
15401 Declare vectors of int, char, and locstr.
15402 (locstr): New typedef.
15403 (struct extraction): Make all array fields into bare pointers.
15404 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15405 (insn_code_number): Delete.
15406 (accum_extract): New struct.
15407 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15408 (gen_insn): Take insn_code_number as an argument. Use an
15409 accum_extract structure instead of loading data directly into
15410 a struct extraction, and having to know how big it might get.
15411 (walk_rtx): Operate entirely on an accum_extract structure.
15412 (print_path): Avoid unnecessary use of printf.
15413 (print_header): New function, split out of main. Distinguish
15414 more carefully between an unrecognizable insn and an insn that
15415 has the code number of a define_expand.
15416 (main): Pass insn_code_number to gen_insn. Call print_header
15417 only after parsing. Avoid unnecessary use of printf.
15418 * Makefile.in (build/vec.o): New rule.
15419 (build/genextract): Depend on build/vec.o.
15420 (build/genextract.o): Don't depend on insn-config.h.
15422 2006-01-22 Zack Weinberg <zackw@panix.com>
15424 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15425 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15426 practical. Eliminate per-generator-program link rules.
15428 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15430 PR middle-end/24437
15431 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15432 with a call expr to ...
15433 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15435 2006-01-23 Richard Guenther <rguenther@suse.de>
15437 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15438 before make_edge with conditional EDGE_TRUE_VALUE.
15440 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15441 Jan Hubicka <jh@suse.cz>
15442 Richard Guenther <rguenther@suse.de>
15444 PR rtl-optimization/25654
15445 * cfgexpand.c (aggregate_contains_union_type): New function.
15446 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15447 for structure variables that contain a union type.
15449 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15451 * gengtype.c (new_structure): Return the structure.
15452 (create_option): Add an extra "next" argument.
15453 (create_field): New function.
15454 (adjust_field_rtx_def): Use create_option and create_field.
15455 Remove a now-unnecessary call to find_structure.
15456 (adjust_field_tree_def): Likewise.
15457 (note_yacc_type): Remove an unnecessary call to find_structure.
15458 * gengtype.h (new_structure): Return the structure.
15459 (create_option): Add an extra argument.
15460 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15461 (option): Adjust calls to create_option.
15463 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15465 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15467 2006-01-22 Paul Brook <paul@codesourcery.com>
15468 Peter Barada <peter@the-baradas.com>
15470 * config/m68k/m68k.md: Add Coldfire FPU support.
15471 Define FP mode macro and associated attributes.
15472 Use it for float mode patterns.
15473 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15474 (LIBCALL_VALUE): Use m68k_libcall_value.
15475 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15476 (m68k_function_value): Ditto.
15477 (emit_move_sequence): Ditto.
15478 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15479 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15480 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15481 (MULTILIB_EXCEPTIONS): Ditto.
15482 * config/m68k/m68k.opt: Add mcfv4e.
15483 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15484 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15485 (m68k_output_function_prologue): Save ColdFire FPU registers.
15486 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15487 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15488 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15489 ColdFire FPU registers.
15490 (m68k_libcall_value, m68k_function_value): New functions.
15491 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15492 (LIBCALL_VALUE): Use m68k_libcall_value.
15493 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15494 (MASK_COLDFIRE): Add MASK_CFV4E.
15495 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15496 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15497 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15498 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15499 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15500 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15501 * doc/invoke.tex: Document -mcfv4e on m68k.
15503 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15505 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15508 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15511 * c-opts.c (c_common_handle_option): Don't include
15512 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15513 * doc/invoke.texi (C++ Dialect Options): Document that
15514 -Wnon-virtual-dtor is no longer included in -Wall.
15516 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15518 * gcov.c (print_version), gcov-dump.c (print_version),
15519 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15522 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15524 * df-scan.c (problem_SCAN): Added NULL reset function.
15525 (df_scan_reset_blocks): Added code to call reset block function
15526 (df_bb_refs_delete) Fixed comment.
15527 (df_insn_refs_delete): Made tolerant of deleting non existent info
15528 for dataflow problems that need to be reset.
15529 * df-core.c (df_set_blocks): Ditto.
15530 * df.h (struct df_problem): Added reset_fun.
15531 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15532 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15533 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15534 functions to clear out all references to def-use or use-def chains.
15536 2006-01-21 Ben Elliston <bje@au.ibm.com>
15538 * varasm.c (assemble_real): Initialise data array.
15540 2006-01-20 Paul Brook <paul@codesourcery.com>
15542 Merge from csl-arm-branch.
15543 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15544 * config/arm/arm.md (movdi): Force operands[1] to a register
15545 if we have a non-register source.
15546 (*arm_movdi, *movdf_soft_insn): Require that one of the
15547 operands be a register.
15548 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15549 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15551 2006-01-20 DJ Delorie <dj@redhat.com>
15553 * varasm.c (initializer_constant_valid_p): Allow pointers
15554 initialized from integer constants of lesser precision.
15555 (output_constant): Allow non-int-sized pointer modes to be
15556 initialized from integer constants.
15558 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15561 * cppdefault.h (struct default_include): Add multilib flag.
15562 * cppdefault.c (cpp_include_defaults): Set it.
15563 * c.opt (-imultilib): New option.
15564 * c-opts.c (imultilib): New.
15565 (c_common_handle_option): Handle -imultilib.
15566 (c_common_post_options): Likewise.
15567 * c-incpath.c (add_standard_paths, register_include_chains):
15569 * c-incpath.h (register_include_chains): Add extra parameter.
15570 * gcc.c (do_spec_1): Generate -imultilib option.
15571 (The Specs Language): Update %I description.
15572 (process_command): Update copyright notice.
15573 * doc/cppopts.texi (-imultilib): Document.
15574 * doc/invoke.texi (-imultilib): Include in option summary.
15575 (%I): Update specs documentation.
15577 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15579 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15581 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15583 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15586 2006-01-20 Richard Guenther <rguenther@suse.de>
15587 Steven Bosscher <stevenb.gcc@gmail.com>
15589 PR rtl-optimization/24626
15590 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15591 EDGE_TRUE_VALUE if in RTL mode.
15594 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15595 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15597 2006-01-20 Dirk Mueller <dmueller@suse.com>
15600 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15601 instead of a special NOP marker.
15602 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15603 NOP marker handling.
15604 * c-common.h (empty_body_warning): Add forward declaration.
15605 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15606 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15608 2006-01-20 Paul Brook <paul@codesourcery.com>
15610 * Makefile.in (lang_checks): Keep going if mkdir fails.
15612 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15614 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15615 be able to clean out basic block when not necessary.
15616 (df_scan_free): Fixed to properly delete information if df is
15617 unused before calling df_finish.
15618 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15619 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15621 (df_bb_refs_delete): New function.
15622 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15623 * df-core.c (df_set_blocks): Added code to properly clean out
15624 unused blocks if they are not part of the blocks to consider.
15625 Added additional null check.
15626 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15627 be able to clean out basic block when not necessary
15628 * df.h (df_free_bb_function): Ditto.
15629 (df_bb_refs_delete): New function.
15630 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15631 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15632 basic block parameter to be able to clean out basic block when not
15634 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15635 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15636 Fixed to properly delete information if df is unused before
15639 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15641 PR rtl-optimization/25799
15642 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15643 Corrected confluence operator to remove bits from op2 before oring
15644 with op1 rather than removing bits from op1.
15645 (df_ru_transfer_function): Corrected test on wrong bitmap which
15646 caused infinite loop. Both of these problems were introduced in
15647 the dataflow rewrite.
15649 2006-01-19 DJ Delorie <dj@redhat.com>
15651 * reload1.c (find_reload_regs): Note the details of reload
15652 failures in the dump file.
15653 (spill_failure): Likewise.
15655 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15657 * loop-iv.c: Include df.h and hashtab.h.
15658 (enum iv_grd_result): New enum.
15659 (DF_REF_IV, DF_REF_IV_SET): New macros.
15660 (struct biv_entry): New.
15661 (df, bivs): New global variables.
15662 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15663 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15665 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15666 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15667 analyzed_for_bivness_p, record_biv): New functions.
15668 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15669 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15670 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15672 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15674 (iv_number_of_iterations): Use new interface to iv analysis.
15675 * loop-unroll.c: Do not include varray.h.
15676 (analyze_iv_to_split_insn): Use new interface to iv
15678 * loop-unswitch.c (may_unswitch_on): Ditto.
15679 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15681 (df_bb_modify): Realloc tables to the new index.
15682 (df_find_use): New function.
15683 * df.h (df_find_use): Declare.
15684 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15686 * cfgloop.h (struct rtx_iv): Remove analysed field.
15687 (iv_get_reaching_def): Removed.
15688 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15689 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15690 (loop-iv.o): Add df.h and hashtab.h dependency.
15691 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15693 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15696 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15698 (__floatundisf, __floatundidf): Likewise.
15699 * libgcc2.h (IS_IBM_EXTENDED): Define.
15701 2006-01-19 DJ Delorie <dj@redhat.com>
15703 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15705 2006-01-19 Paul Brook <paul@codesourcery.com>
15707 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15708 as nothrow when unwinding tables are disabled.
15710 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15713 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15714 of bit-field" when in system header.
15716 2006-01-19 DJ Delorie <dj@redhat.com>
15718 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15719 the 16 bit shift limit of the m16c.
15721 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15724 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15725 * config/i386/i386.c (output_set_got): Output the label if we have one
15726 for the TARGET_DEEP_BRANCH_PREDICTION case.
15728 2006-01-19 Jan Hubicka <jh@suse.cz>
15729 H.J. Lu <hongjiu.lu@intel.com>
15730 Evandro Menezes <evandro.menezes@amd.com>
15732 * invoke.texi (generic): Document
15734 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15735 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15736 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15737 (x86_use_incdec, x86_pad_returns): New variables
15738 (TARGET_CPU_DEFAULT_generic): New constant
15739 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15740 (enum processor_type): Add generic32 and generic64.
15741 * i386.md (cpu attribute): Add generic32/generic64
15742 (movhi splitter): Behave sanely when both partial_reg_dependency and
15743 partial_reg_stall are set.
15744 (K8 splitters): Enable for generic as well.
15745 * predicates.md (incdec_operand): Use TARGET_INCDEC
15746 (aligned_operand): Avoid memory mismatch stalls.
15747 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15748 * ppro.md: Enable for generic32
15749 * i386.c (generic64_cost, generic32_cost): New.
15750 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15751 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15752 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15753 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15754 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15755 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15756 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15757 x86_accumulate_outgoing_args, x86_prologue_using_move,
15758 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15759 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15760 Enable for generic.
15761 (x86_use_incdec, x86_pad_returns): New.
15762 (override_options): Add generic32 and generic64, translate "generic"
15763 to generic32/generic64 and "i686" to "generic32", refuse
15764 "generic32"/"generic64" as arch target.
15765 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15766 (ix86_reorg): Honor PAD_RETURNS.
15768 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15770 * tree-pretty-print.c (dump_generic_node): Handle
15771 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15772 * cgraph.c (cgraph_expand_queue): Rename from
15773 cgraph_analyze_queue. Update all users.
15774 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15775 cgraph_expand_queue.
15776 (cgraph_expand_all_functions): Likewise.
15777 (cgraph_finalize_pending_functions): Remove. Update callers.
15779 * tree.h (OMP_DIRECTIVE_P): Define.
15780 (OMP_PARALLEL_FN): Define.
15781 (OMP_PARALLEL_DATA_ARG): Define.
15782 (OMP_SECTIONS_SECTIONS): Define.
15783 * tree-pass.h (pass_expand_omp): Declare.
15784 * omp-low.c (struct omp_region): Declare.
15785 (struct omp_context): Remove fields 'parallel_type',
15786 'parallel_start_ix' and 'parallel_start_additional_args'.
15788 (struct omp_for_data): Rename from struct expand_omp_for_data.
15789 (omp_regions): New static variable.
15790 (root_omp_region): New static variable.
15791 (find_omp_clause): Make static.
15792 (is_in_combined_parallel_ctx): Remove.
15793 (is_combined_parallel): New.
15794 (extract_omp_for_data): Move earlier in the file.
15795 (workshare_safe_to_combine_p): New.
15796 (get_ws_args_for): New.
15797 (determine_parallel_type): Move earlier in the file.
15798 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15800 (omp_copy_decl): Likewise.
15801 (create_omp_child_function): Likewise.
15802 (lookup_omp_region): New.
15803 (dump_omp_region): New.
15804 (debug_omp_region): New.
15805 (debug_all_omp_regions): New.
15806 (new_omp_region): New.
15807 (scan_omp_parallel): If parallel_nesting_level > 1, the
15808 directive is nested within another parallel directive.
15809 Set OMP_PARALLEL_FN.
15810 (scan_omp_for): Do not try to handle combined parallel+for
15812 Remove FIXME comment.
15813 (scan_omp_nested): Remove.
15814 (scan_omp_1): Do not call scan_omp_nested when
15815 parallel_nesting_level is > 1.
15816 Do not change the DECL_CONTEXT of local variables found.
15817 (lookup_decl_in_outer_ctx): New.
15818 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15819 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15820 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15821 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15822 If CTX is nested, lookup VAR in the outer context when
15823 building copy assignment.
15824 (lower_send_clauses): Rename from expand_send_clauses.
15825 If CTX is nested, lookup VAR in the outer context when
15826 building copy assignments.
15827 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15828 If CTX is nested, lookup VAR in the outer context when
15829 building copy assignments.
15830 (expand_parallel_call): Rename from build_parallel_call.
15831 Handle combined parallel+workshare cases.
15832 Re-implement to emit code into the CFG.
15834 (expand_omp_parallel): Re-implement to emit code into the CFG.
15835 Call move_sese_region_to_fn to outline the sub-graph
15836 containing the parallel region.
15837 (expand_omp_for_1): Remove.
15838 (expand_omp_for_generic): Re-implement to emit code into the
15840 (expand_omp_for_static_nochunk): Likewise.
15841 (expand_omp_for_static_chunk): Likewise.
15842 (expand_omp_for): Likewise.
15843 (expand_omp_sections): Likewise.
15844 (remove_exit_barriers): New.
15845 (expand_omp_synch): New.
15847 (build_omp_regions_1): New.
15848 (build_omp_regions): New.
15849 (execute_expand_omp): New.
15850 (gate_expand_omp): New.
15851 (pass_expand_omp): Define.
15852 (lower_omp_sections): Rename from expand_omp_sections.
15853 Set OMP_SECTIONS_SECTIONS.
15854 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15855 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15856 (lower_omp_single): Rename from expand_omp_simple.
15857 (lower_omp_master): Rename from expand_omp_master.
15858 (lower_omp_ordered): Rename from expand_omp_ordered.
15859 (lower_omp_critical): Rename from expand_omp_critical.
15860 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15861 (lower_omp_for): Re-implement.
15862 (lower_omp_parallel): Re-implement.
15863 (lower_regimplify): Rename from expand_regimplify.
15864 (lower_omp_1): Rename from expand_omp_1.
15865 If there are syntax errors in the program, replace every
15866 OpenMP directive with NOP.
15867 Call lower_omp_* instead of expand_omp_*.
15868 (lower_omp): Rename from expand_omp.
15870 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15871 * tree-gimple.h (enum omp_parallel_type): Remove.
15872 (gimple_boolify): Declare extern.
15873 (find_omp_clause, determine_parallel_type): Remove.
15875 * gimple-low.c (lower_omp_directive): New.
15876 (lower_stmt): Call it.
15877 (record_vars_into): Move from ...
15878 (record_vars): ... here.
15879 Call record_vars_into with current_function_decl.
15881 * gimplify.c (struct gimplify_ctx): Remove fields
15882 combined_pre_p and combined_ctxp. Update users.
15883 (get_formal_tmp_var): Add documentation.
15884 (gimple_boolify): Make extern.
15885 (gimplify_expr_in_ctx): Remove. Update callers.
15886 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15887 will always be a BIND_EXPR.
15888 (gimplify_expr): Handle OMP_RETURN_EXPR.
15889 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15890 (OMP_PARALLEL): Add 3 operands.
15891 (OMP_SECTIONS): Add 1 operand.
15892 (OMP_RETURN_EXPR): Define.
15894 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15895 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15896 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15897 creating a circular free list.
15898 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15900 * tree-flow.h (move_sese_region_to_fn): Declare.
15901 (record_vars_into): Declare.
15902 * tree-cfg.c (make_omp_sections_edges): New.
15903 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15904 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15905 OMP_SECTIONS and OMP_SECTION.
15906 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15907 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15908 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15909 (gather_blocks_in_sese_region): New.
15910 (struct move_stmt_d): Declare.
15911 (move_stmt_r): New.
15912 (move_block_to_fn): New.
15913 (move_sese_region_to_fn): New.
15915 * passes.c (init_optimization_passes): Schedule
15916 pass_expand_omp after pass_init_datastructures.
15918 * tree-ssa-operands.c (get_expr_operands): Handle
15919 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15920 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15922 2006-01-19 Jeff Law <law@redhat.com>
15924 * tree-vrp.c (extract_range_from_assert): Refine the result range
15925 if the variable referenced by the ASSERT_EXPR has a range and
15926 either the tentative result range or the previous range is a
15929 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15931 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15933 2006-01-19 Jan Hubicka <jh@suse.cz>
15935 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15937 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15939 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15940 (expand_compound_operation, expand_field_assignment): Fail if the
15941 bit lengths of an extract operation are out of range.
15942 (make_extraction): Compute wanted_inner_mode based on the position
15943 and length of the extraction. Make it extraction_mode for non-constant
15944 positions, and do not modify offset in that case. When generating a
15945 new MEM, use a mode that can hold the extraction while keeping correct
15946 alignment. Remove code that supported MEMs wrapped by USEs.
15947 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15949 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15951 * config/s390/s390.md ("Y", "y"): New mode attribute.
15952 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15953 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15954 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15955 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15956 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15957 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15958 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15959 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15960 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15961 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15962 "addsi3", "subsi3"): Insn patterns removed.
15963 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15964 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15965 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15966 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15967 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15968 "*sub<mode>3_cconly2"): New insn patterns.
15969 ("addsi3", "subsi3"): New expanders.
15971 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15973 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15974 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15975 existing STMT_VINFO_VECTYPE if available.
15976 (vect_mark_relevant): Add special handling for stmts that are
15977 marked as STMT_VINFO_IN_PATTERN_P.
15978 (vect_analyze_loop): Call vect_pattern_recog.
15979 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15980 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15982 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15983 (vect_recog_func_ptr): New function-pointer type.
15984 * tree-vect-patterns.c: New file.
15985 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15986 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15987 (vect_pattern_recog_1): New functions.
15988 (vect_pattern_recog_funcs): New array of function pointers.
15990 * tree-vectorizer.h (ternary_op): New enum value.
15991 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15992 declaration. Revised documentation. Removed redundant dump prints.
15993 Removed redundant argument. Added support for reduction patterns.
15994 (vectorizable_reduction): Added support for reduction patterns.
15995 (vect_transform_stmt): Added support for patterns.
15997 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15998 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15999 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16000 (expand_widen_pattern_expr): New function.
16001 (init_optabs): Initialize new optabs udot_prod_optab,
16003 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16004 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16005 (expand_widen_pattern_expr): New function declaration.
16006 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16008 * tree-inline.c (estimate_num_insns_1): Added cases for new
16009 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16010 * tree-pretty-print.c (dump_generic_node): Likewise.
16011 (op_prio): Likewise.
16012 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16013 * tree-ssa-operands.c (get_expr_operands): Added case for
16015 * tree-vect-patterns.c (widened_name_p): New function.
16016 (vect_recog_dot_prod_pattern): Added function implementation.
16017 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16018 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16019 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16020 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16022 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16023 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16024 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16025 (init_optabs): Initialize new optabs widen_ssum_optab,
16027 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16028 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16029 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16030 use instead of type of def.
16031 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16032 function implementation.
16033 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16034 widen_ssumv8hi): New.
16036 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16039 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16042 * c-decl.c (add_flexible_array_elts_to_size): New function.
16043 (finish_decl): Use it.
16045 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16047 * diagnostic.h: Include options.h.
16048 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16049 dependancies for diagnostic.h.
16050 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16052 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16054 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16055 (ssa_ro_call_cache_valid): Ditto.
16056 * tree-ssa-alias.c (sort_tags_by_id): New function.
16057 (init_transitive_clobber_worklist): Ditto.
16058 (add_to_worklist): Ditto.
16059 (mark_aliases_call_clobbered): Ditto.
16060 (compute_tag_properties): Ditto.
16061 (set_initial_properties): Ditto.
16062 (compute_call_clobbered): Ditto.
16063 (compute_may_aliases): Call compute_call_clobbered and grouping.
16064 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16065 (compute_flow_insensitive_aliasing): Grouping now happens in our
16067 (setup_pointers_and_addressables): Remove clobbering related code.
16068 (add_may_alias): Ditto.
16069 (replace_may_alias): Ditto.
16070 (get_nmt_for): Ditto.
16071 (create_global_var):
16072 (is_escape_site): Return an escape_type enumeration.
16073 * tree-flow-inline.h (is_call_clobbered): Global var does not
16074 imply call clobbered.
16075 (mark_call_clobbered): Take a reason for marking this. Remove
16076 marking of globalness, and cache invalidation.
16077 (clear_call_clobbered): Remove cache invalidation code.
16078 * tree-dfa.c (dump_variable): If details is on, dump the reason
16080 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16082 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16083 (struct var_ann_d): Ditto.
16084 (enum escape_type): New.
16085 (mark_call_clobbered): Adjust prototype.
16086 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16087 are never call clobbered.
16088 Record reasons for escaping.
16089 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16090 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16091 (ssa_ro_call_cache_valid): Ditto.
16092 (clobbered_v_may_defs): Ditto.
16093 (clobbered_vuses): Ditto.
16094 (ro_call_vuses): Ditto.
16095 (clobber_stats): New.
16096 (init_ssa_operands): Zero out clobber stats.
16097 (fini_ssa_operands): Print out clobber stats.
16098 (get_call_expr_operands): Pass callee fndecl to
16099 add_call_read_ops).
16100 (add_call_clobber_ops): Remove use of cache.
16101 Add use of PURE_CONST information.
16102 (add_call_read_ops): Remove use of cache.
16103 Add use of static not_read information.
16105 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16107 Introduce TLS descriptors for i386 and x86_64.
16108 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16109 (TARGET_ANY_GNU_TLS): New macro.
16110 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16111 (struct machine_function): Add tls_descriptor_call_expanded_p.
16112 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16113 (ix86_current_function_calls_tls_descriptor): Likewise.
16114 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16115 (override_options): Introduce gnu2 tls dialect.
16116 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16118 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16120 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16121 (ix86_init_machine_status): Initialize new field.
16122 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16123 (ix86_tls_module_base): New.
16124 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16125 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16126 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16127 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16128 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16129 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16130 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16131 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16132 * config/i386/predicates.md (tls_modbase_operand): New.
16133 (tp_or_register_operand): New.
16135 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16137 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16138 (look_for_address_of): Ditto.
16139 (ipa_init): Walk the function decls.
16140 (static_execute): Don't set readonly on FUNCTION_DECL's.
16142 2006-01-18 Roger Sayle <roger@eyesopen.com>
16144 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16145 for shifts where the source and destination registers are different.
16147 2006-01-18 Paul Brook <paul@codesourcery.com>
16149 Merge from csl-arm-branch.
16150 2005-03-14 Julian Brown <julian@codesourcery.com>
16151 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16152 (aeabi_llsl): Likewise.
16153 (ashrdi3): Likewise.
16154 (aeabi_lasr): Likewise.
16155 (lshrdi3): Likewise.
16156 (aeabi_llsr): Likewise.
16157 2005-03-10 Julian Brown <julian@codesourcery.com>
16158 * config.gcc: Disable shared libgcc for SymbianOS.
16159 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16161 2006-01-18 DJ Delorie <dj@redhat.com>
16163 * c-pragma.c (handle_pragma_diagnostic): New.
16164 (init_pragma): Register it.
16165 * doc/extend.texi: Document it.
16167 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16168 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16169 (diagnostic_context): Add classify_diagnostic[].
16170 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16171 as errors if they're overridden to DK_WARNING.
16172 (diagnostic_initialize): Initialize classify_diagnostic[].
16173 (diagnostic_set_kind_override): New.
16174 (diagnostic_report_diagnostic): Check for kind changes.
16175 * opts.c (common_handle_option): Take lang_mask. Update callers.
16176 Handle OPT_Werror_.
16177 * common.opt (Werror=): New.
16178 * doc/invoke.texi: Document -Werror=*
16180 2006-01-18 Jeff Law <law@redhat.com>
16182 * tree-vrp.c (test_for_singularity): Correct test for new
16183 min limit. Use operand_equal_p rather than pointer equality
16184 for testing if new min/max values are equal.
16186 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16187 using range information until after propagation and folding.
16189 2006-01-18 Richard Henderson <rth@redhat.com>
16190 Aldy Hernandez <aldyh@redhat.com>
16191 Jakub Jelinek <jakub@redhat.com>
16192 Diego Novillo <dnovillo@redhat.com>
16194 * omp-low.c: New file.
16195 * c-omp.c: New file.
16197 2006-01-18 Richard Henderson <rth@redhat.com>
16198 Jakub Jelinek <jakub@redhat.com>
16199 Diego Novillo <dnovillo@redhat.com>
16201 * doc/invoke.texi: Document -fopenmp.
16202 * tree-dump.h (debug_function): Declare.
16203 * hooks.c (hook_bool_tree_bool_false): New function.
16204 (hook_tree_tree_null): Remove.
16205 (hook_tree_tree_tree_null): New.
16206 * hooks.h: Update to match.
16207 * tree-pretty-print.c (debug_tree_chain): New.
16208 (print_generic_expr): Handle TDF_CHAIN.
16209 (dump_generic_node): Handle BLOCK.
16210 Do not abort with incomplete SWITCH_EXPRs.
16211 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16212 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16213 print space after directive name.
16214 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16215 Handle OMP_MASTER and OMP_ORDERED.
16216 Handle printing of OMP_BODY just in one place, goto
16217 dump_omp_body in the rest of OMP_* nodes that have
16219 Don't handle clause nodes here. Update omp statements to
16220 use dump_omp_clauses.
16221 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16222 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16223 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16224 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16225 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16226 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16227 Adjust output for GOMP_PARALLEL.
16228 (dump_omp_clauses): New.
16229 (print_declaration): Dump DECL_VALUE_EXPR.
16230 (op_symbol_1): Split out of op_symbol.
16231 (dumping_stmts): Remove. Update all users.
16232 * cgraph.c (cgraph_analyze_queue): New.
16233 (cgraph_add_new_function): New.
16234 * cgraph.h (cgraph_analyze_queue): Declare.
16235 (cgraph_add_new_function): Declare.
16236 (cgraph_lower_function): Remove.
16237 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16238 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16239 and TYPE_P nodes in its default clause.
16240 (empty_body_p): New.
16241 (tree_range_check_failed): New.
16242 (build5_stat): New.
16243 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16244 OMP_CLAUSE_REDUCTION_MERGE,
16245 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16246 OMP_CLAUSE_PRIVATE_DEBUG,
16247 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16248 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16249 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16250 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16251 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16252 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16253 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16254 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16255 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16256 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16257 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16258 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16259 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16260 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16261 (TREE_RANGE_CHECK): New.
16262 (empty_body_p): Declare.
16263 (enum omp_clause_default_kind): New.
16264 (build_string_literal): Declare.
16265 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16266 (build5_stat, build5): Declare.
16267 * tree-pass.h (TDF_CHAIN): Define.
16268 * tree-pass.h (PROP_gimple_lomp): Define.
16269 (pass_lower_omp): Declare.
16270 * diagnostic.h (debug_tree_chain): Declare.
16271 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16273 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16274 * builtins.c (build_string_literal): Make extern.
16275 * gcc.c (include_spec_function): New.
16276 (static_spec_functions): Add it.
16277 (main): Move load of libgomp.spec ...
16278 (LINK_COMMAND_SPEC): ... here.
16279 (link_gomp_spec): New.
16280 (static_specs): Include it.
16281 (LINK_COMMAND_SPEC): Add link_gomp.
16282 (GOMP_SELF_SPECS): New.
16283 (driver_self_specs): Include it.
16284 (switch_matches): Don't mark inline.
16285 (main): Load libgomp.spec.
16286 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16287 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16288 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16289 * tree-gimple.h (enum omp_parallel): Declare.
16290 (determine_parallel_type): Declare.
16291 (omp_firstprivatize_variable): Declare.
16292 (omp_reduction_init): Declare.
16293 (diagnose_omp_structured_block_errors): Declare.
16294 (struct walk_stmt_info): Add want_return_expr.
16295 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16296 (find_omp_clause): Declare.
16297 (insert_field_into_struct): Declare.
16298 (struct walk_stmt_info): Move from tree-nested.c
16299 (walk_stmts): Declare.
16300 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16302 * cgraphunit.c (cgraph_lower_function): Make static.
16303 (cgraph_finalize_pending_functions): New.
16304 (cgraph_finalize_function): Call it.
16305 (cgraph_finalize_compilation_unit): Likewise.
16306 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16307 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16308 (BT_FN_UINT_UINT): New.
16309 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16310 DEF_FUNCTION_TYPE_VAR_4): Document.
16311 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16312 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16313 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16314 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16315 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16316 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16317 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16318 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16319 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16320 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16321 into separate files.
16322 (DEF_GOMP_BUILTIN): New.
16323 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16324 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16325 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16326 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16327 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16328 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16329 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16330 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16331 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16332 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16333 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16334 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16335 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16336 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16337 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16338 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16339 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16340 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16341 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16342 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16343 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16344 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16345 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16346 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16347 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16348 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16349 * sync-builtins.def: New file, moved from builtins.def.
16350 * omp-builtins.def: New file, moved from builtins.def.
16351 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16352 * gimple-low.c (lower_function_body): Clear data.
16353 (lower_stmt): Do not handle COMPOUND_EXPR.
16354 Remove call to print_node_brief.
16355 * c-tree.h (c_finish_omp_clauses): New prototype.
16356 (C_DECL_THREADPRIVATE_P): Define.
16357 (lookup_name_no_remap, c_omp_remap_private): Remove
16358 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16359 (check_for_loop_decls): Update decl.
16360 (lookup_name_no_remap, c_omp_remap_private): Declare.
16361 (build_indirect_ref, build_modify_expr, pushdecl,
16362 pushdecl_top_level): Move to c-common.h.
16363 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16364 before the switch, but just in the 2 places that need it.
16365 * c-decl.c (diagnose_mismatched_decls): Do not check for
16366 mismatched thread-local attributes when OLDDECL is marked
16367 threadprivate and NEWDECL has no thread-local attributes.
16368 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16369 (c_gimple_diagnostics_recursively): Rename from
16370 c_warn_unused_result_recursively. Invoke
16371 diagnose_omp_structured_block_errors.
16372 (check_for_loop_decls): Return a singular decl found.
16373 * langhooks.c (lhd_omp_predetermined_sharing): Return
16374 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16375 (lhd_omp_firstprivatize_type_sizes): New.
16376 (lhd_omp_assignment): New.
16377 (lhd_omp_predetermined_sharing): New.
16378 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16379 (struct lang_hooks_for_types): Add
16380 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16381 omp_predetermined_sharing, omp_disregard_value_expr,
16382 omp_private_debug_clause, omp_clause_default_ctor,
16383 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16384 (c_finish_omp_clauses): New.
16385 (c_finish_bc_stmt): Diagnose break within omp for.
16386 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16387 (build_unary_op): Return error_mark after reporting
16389 (build_modify_expr): Likewise.
16390 * gimplify.c: Include optabs.h and pointer-set.h.
16391 (enum gimplify_omp_var_data): Declare.
16392 (struct gimplify_omp_ctx): Declare.
16393 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16395 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16396 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16397 (splay_tree_compare_decl_uid): New.
16398 (new_omp_context): New.
16399 (delete_omp_context): New.
16400 (gimple_add_tmp_var): Call omp_add_variable.
16401 (gimplify_bind_expr): Likewise.
16402 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16403 true, disregard DECL_VALUE_EXPR on the decl if any.
16404 (gimplify_expr_in_ctx): New.
16405 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16406 omp_add_variable, omp_notice_variable, omp_is_private
16407 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16408 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16409 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16410 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16411 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16412 gimplify_omp_atomic): New.
16413 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16414 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16415 OMP_CRITICAL and OMP_ATOMIC.
16416 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16417 * c-pragma.h (enum pragma_kind): Add
16418 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16419 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16420 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16421 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16422 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16423 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16424 PRAGMA_OMP_THREADPRIVATE.
16425 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16426 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16427 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16428 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16429 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16430 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16431 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16432 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16433 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16434 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16435 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16436 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16437 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16439 (struct nesting_info): Add field_map,
16440 suppress_expansion, debug_var_chain.
16441 (create_nesting_tree): Initialize them.
16442 (lookup_field_for_decl): Use field_map.
16443 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16444 (convert_local_omp_clauses): New.
16445 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16446 (walk_body): Split out of walk_function.
16447 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16448 (convert_nonlocal_reference): Handle omp statements.
16449 (convert_local_reference): Likewise.
16450 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16451 (unnest_nesting_tree): New.
16452 (lower_nested_functions): Call it.
16453 (insert_field_into_struct): Make extern.
16454 (struct walk_stmt_info): Move to tree-gimple.h.
16455 (walk_stmts): Make extern.
16456 * omp-builtins.def: New file.
16457 * tree-iterator.c (expr_only): Clarify comment.
16458 * c-common.h (pushdecl_top_level, pushdecl,
16459 build_modify_expr, build_indirect_ref,
16460 c_finish_omp_master, c_finish_omp_critical,
16461 c_finish_omp_ordered, c_finish_omp_barrier,
16462 c_finish_omp_atomic, c_finish_omp_flush,
16463 c_finish_omp_for, c_split_parallel_clauses,
16464 omp_clause_default_kind, c_omp_sharing_predetermined,
16465 c_omp_remap_decl): Declare.
16466 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16467 (OBJS-common): Add omp-low.o.
16468 (c-omp.o, omp-low.o): Add.
16469 (gimplify.o): Add dependency on $(OPTABS_H).
16470 (GTFILES): Add omp-low.c.
16471 (gt-stringpool.h): Add.
16472 * tree-cfg.c (set_bb_for_stmt): Do not update the
16473 block-to-labels map if we are currently expanding to RTL.
16474 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16476 Handle IDENTIFIER_NODE.
16477 (tree_verify_flow_info): Do not ICE when emitting error
16478 messages about invalid labels.
16479 (dump_function_to_file): Reset CFUN before emitting the body
16481 (debug_function): New.
16482 * passes.c (init_optimization_passes): Schedule
16484 * langhooks-def.h (lhd_omp_predetermined_sharing,
16485 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16487 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16488 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16489 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16490 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16491 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16492 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16493 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16494 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16495 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16496 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16497 (LANG_HOOK_DECLS): Use them.
16499 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16500 Richard Henderson <rth@redhat.com>
16501 Jakub Jelinek <jakub@redhat.com>
16502 Diego Novillo <dnovillo@redhat.com>
16504 * c-parser.c (pragma_omp_clause): Define.
16505 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16506 (c_parser_compound_statement): Likewise.
16507 (c_parser_statement): Likewise.
16508 (c_parser_pragma): Handle omp pragmas.
16509 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16510 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16511 (c_parser_omp_clause_name, check_no_duplicate_clause,
16512 c_parser_omp_variable_list,
16513 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16514 c_parser_omp_clause_copyprivate,
16515 c_parser_omp_clause_default,
16516 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16517 c_parser_omp_clause_lastprivate,
16518 c_parser_omp_clause_nowait,
16519 c_parser_omp_clause_num_threads,
16520 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16521 c_parser_omp_clause_reduction,
16522 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16523 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16524 c_parser_omp_atomic, c_parser_omp_barrier,
16525 c_parser_omp_critical, c_parser_omp_flush,
16526 c_parser_omp_for_loop, c_parser_omp_for,
16527 c_parser_omp_master, c_parser_omp_ordered,
16528 c_parser_omp_sections_scope, c_parser_omp_sections,
16529 c_parser_omp_parallel, c_parser_omp_single,
16530 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16531 * c-pragma.c (init_pragma): Do omp pragma registration here.
16532 * c.opt (fopenmp): New flag.
16534 2006-01-18 Eric Christopher <echristo@apple.com>
16536 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16537 * config/darwin.h (GOMP_SELF_SPECS): Define.
16539 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16541 * rtl.h: Remove the prototype for reg_alloc.
16543 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16546 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16547 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16548 sjlj and dwarf2 exception handling.
16549 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16550 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16551 * pa/pa.c (function_value): Treat complex and vector types as
16553 (function_arg): Likewise. Only pass scalar floats in the floating
16554 point argument registers.
16555 * pa/t-slibgcc-dwarf-ver: New file.
16556 * pa/t-slibgcc-sjlj-ver: New file.
16557 * pa/t-slibgcc-elf-ver: Delete file.
16559 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16561 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16562 unlikely_test_section_p test.
16564 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16566 * mode-switching.c (optimize_mode_switching): Make it static.
16567 * basic-block.h: Remove the prototype for
16568 optimize_mode_switching.
16570 * modulo-sched.c (sms_schedule): Make it static.
16571 * rtl.h: Remove the prototype for sms_schedule.
16573 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16574 * rtl.h: Remove the prototype for gcse_after_reload_main.
16576 * reg-stack.c (reg_to_stack): Make it static.
16577 * rtl.h: Remove the prototype for reg_to_stack.
16579 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16581 * rtl.h: Remove the prototypes for regrename_optimize and
16582 copyprop_hardreg_forward.
16584 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16586 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16587 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16588 Test against the appropriate null constant for the mode.
16589 If 'fixup_overlap' is true, swap the operands if they overlap.
16590 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16591 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16592 alpha_split_tmode_pair and adjust for above change.
16593 * config/alpha/alpha.md (movtf_internal): Adjust call to
16594 alpha_split_tfmode_pair and rely on it to swap the operands.
16595 (movti_internal): New insn and post-reload splitter.
16596 (movti): New expander.
16598 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16600 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16603 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16605 * rtlanal.c (global_reg_mentioned_p_1,
16606 global_reg_mentioned_p): Remove.
16607 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16609 * flow.c (initialize_uninitialized_subregs): Make it static.
16610 * rtl.h: Remove the prototype for
16611 initialize_uninitialized_subregs.
16613 * function.c (instantiate_virtual_regs): Make it static.
16614 * function.h: Remove the prototype for
16615 instantiate_virtual_regs.
16617 * regmove.c (regmove_optimize, combine_stack_adjustments):
16619 * rtl.h: Remove the prototypes for regmove_optimize and
16620 combine_stack_adjustments.
16622 2006-01-17 Roger Sayle <roger@eyesopen.com>
16624 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16625 (size_cost): Encode costs in bytes so that a reg-reg addition is
16626 equivalent to COSTS_N_INSNS(1).
16627 (override_options): Use the size_cost.branch_cost as the default
16628 ix86_branch_cost when optimizing for size.
16630 2006-01-18 Ben Elliston <bje@au.ibm.com>
16632 * Makefile.in (D32PBIT_FUNCS): New.
16633 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16634 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16635 D64PBIT_FUNCS and D128PBIT_FUNCS.
16636 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16637 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16639 (decnumber_dep): Define.
16640 * doc/libgcc.texi (Decimal float library routines): New node.
16641 * config/dfp-bit.h, config/dfp-bit.c: New files.
16643 2006-01-18 Ben Elliston <bje@au.ibm.com>
16645 * expr.c (emit_move_change_mode): Always adjust addresses, not
16646 just during reload. Copy replacements only during reload.
16647 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16648 emit_move_via_integer.
16650 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16652 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16653 instead of $(srcdir) and ${srcdir}.
16655 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16658 PR middle-end/11135
16659 * arm.h (struct machine_function): Add pic_reg.
16660 * arm.c (arm_pic_register): Make unsigned.
16661 (arm_override_options): Only set arm_pic_register if
16662 TARGET_SINGLE_PIC_BASE.
16663 (use_return_insn): Only test for a pic register if it is fixed.
16664 (arm_compute_save_reg0_reg12_mask): Likewise.
16665 (thumb_compute_save_reg_mask): Likewise.
16666 (legitimate_pic_operand): Factor out some known invariants.
16667 (legitimize_pic_address): If we don't have a fixed pic register,
16668 then set up a pseudo in the function entry sequence. Handle the
16669 pic base being in a pseudo.
16670 (arm_load_pic_register): Handle the pic register being in a pseudo.
16671 (arm_expand_prologue): Only set up the pic register if it is fixed.
16672 (thumb_expand_prologue): Likewise.
16673 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16674 (pic_load_addr_based_insn): Likewise.
16675 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16678 2006-01-18 Ben Elliston <bje@au.ibm.com>
16680 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16681 decimal float modes for all floating point registers.
16683 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16684 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16686 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16689 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16690 even when the pointer is not NULL.
16692 2006-01-16 Ian Lance Taylor <ian@airs.com>
16694 * common.opt (ftoplevel-reorder): New option.
16695 * cgraph.c (cgraph_asm_nodes): New global variable.
16696 (cgraph_asm_last_node): New static variable.
16697 (cgraph_order): New global variable.
16698 (cgraph_create_node): Set new order field.
16699 (cgraph_varpool_node): Likewise.
16700 (decide_is_variable_needed): Return true if not
16701 flag_toplevel_reorder.
16702 (cgraph_add_asm_node): New function.
16703 * cgraph.h (struct cgraph_node): Add order field.
16704 (struct cgraph_varpool_node): Add order field.
16705 (struct cgraph_asm_node): Define.
16706 (cgraph_asm_nodes, cgraph_order): Declare.
16707 (cgraph_add_asm_node): Declare.
16708 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16710 (cgraph_varpool_assemble_pending_decls): Call it.
16711 (cgraph_output_pending_asms): New static function.
16712 (cgraph_finalize_compilation_unit): Call it.
16713 (struct cgraph_order_sort): Define.
16714 (cgraph_output_in_order): New static function.
16715 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16716 !flag_toplevel_reorder case.
16717 * c-parser.c: Include "cgraph.h".
16718 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16720 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16721 than -fno-unit-at-a-time.
16722 * doc/invoke.texi (Option Summary): Mention
16723 -fno-toplevel-reorder.
16724 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16725 -funit-at-a-time documentation.
16727 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16728 Kazu Hirata <kazu@codesourcery.com>
16730 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16732 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16734 * Makefile.in (FUNCTION_H): New. Use it instead of
16735 function.h throughout the file.
16736 * function.h: Include tree.h.
16738 2006-01-17 Ben Elliston <bje@au.ibm.com>
16740 * recog.c: Separate some functions with whitespace.
16742 2006-01-16 Richard Henderson <rth@redhat.com>
16744 Merge from gomp branch:
16745 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16746 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16747 and rename from struct inline_data. Rename callee* to dst*;
16748 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16749 transform_new_cfg, transform_return_to_modify, and
16750 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16752 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16753 (copy_decl_for_dup): Remove.
16754 * tree-inline.c (struct inline_data): Move to header.
16755 (insert_decl_map): Export.
16756 (remap_decl): Update for member name changes. Use copy_decl hook.
16757 Allow for replacement to be a non-decl. Remove dead code.
16758 (remap_type_1): Check for existing mapping.
16759 (remap_type): Export.
16760 (remap_decls): Update for member name changes.
16761 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16762 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16763 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16764 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16765 (tree_function_versioning, build_duplicate_type): Likewise.
16766 (copy_body_r): Likewise. Export.
16767 (copy_decl_for_dup): Split into ...
16768 (copy_decl_for_dup_finish, copy_decl_to_var,
16769 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16770 (replace_ref_tree, inlining_p): Remove.
16772 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16774 * ifcvt.c (if_convert): Make it static.
16775 * rtl.h: Remove the prototype for if_convert.
16777 * local-alloc.c (local_alloc): Make it static.
16778 * rtl.h: Remove the prototype for local_alloc.
16780 * loop.c (loop_optimize): Make it static.
16781 * cfgloop.h: Remove the prototype for loop_optimize.
16784 2006-01-16 DJ Delorie <dj@redhat.com>
16786 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16789 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16791 * pa.md: Disparage copies between general and floating-point registers
16792 in 32-bit move patterns.
16794 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16797 * Makefile.in (check-%): Depend on site.exp instead of
16798 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16801 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16803 * global.c (global_alloc): Make it static.
16804 * rtl.h: Remove the prototype for global_alloc.
16806 2006-01-16 Richard Guenther <rguenther@suse.de>
16808 * tree-ssa-alias.c (struct used_part): Add write_only field.
16809 (get_or_create_used_part_for): Initialize it to true.
16810 (create_overlap_variables_for): Don't create structure variables
16811 for structures that only are written to.
16812 (find_used_portions): Handle MODIFY_EXPR to track whether a
16813 structure is only written to.
16815 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16817 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16819 * basic-block.h: Remove the prototype for
16820 partition_hot_cold_basic_blocks.
16822 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16824 * cppspec.c (lang_specific_spec_functions): Remove.
16825 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16826 * gcc.h (lang_specific_spec_functions): Remove.
16827 * gccspec.c (lang_specific_spec_functions): Remove.
16829 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16831 * combine.c (record_value_for_reg): Invalidate registers
16833 (record_dead_and_set_regs_1): Likewise, by passing them to
16834 record_value_for_reg.
16835 (record_dead_and_set_regs): Invalidate stores made by a
16836 call. We do not combine across a call, but we still
16837 relied on equivalences.
16839 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16841 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16842 vrp_int_const_binop returning non-constant nodes.
16844 2006-01-16 Paul Brook <paul@codesourcery.com>
16846 * config/m68k/m68k.c (output_move_const_into_data_reg):
16847 Output correct mnemonic for mvz and mvs.
16849 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16851 * rtl-factoring.c: Add sequence abstraction algorithm.
16852 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16853 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16855 (block_has_preserve_label): New function.
16856 * common.opt: Register new pass.
16857 * Makefile.in: Ditto.
16859 * timevar.def: Ditto.
16860 * tree-pass.h: Ditto.
16861 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16862 * rtl.h (make_jump_insn_raw): Add forward decl.
16863 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16865 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16866 Roger Sayle <roger@eyesopen.com>
16868 * fold-const.c (fold_minmax): New static function.
16869 (fold_binary) <MIN_EXPR>: Call it.
16870 <MAX_EXPR>: Likewise.
16871 * stor-layout.c (place_field): Use DECL_SIZE consistently
16872 in the computation of the new record size.
16874 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16876 * cse.c (cse_condition_code_reg): Make it static.
16877 * rtl.h: Remove the prototype for cse_condition_code_reg.
16879 * combine.c (combine_instructions): Make it static.
16880 * rtl.h: Remove the prototype for combine_instructions.
16882 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16885 * tree.c (get_file_function_name_long): Concatenate the first global
16886 object name with a string derived from the input filename of the object
16889 2006-01-16 Ben Elliston <bje@au.ibm.com>
16891 * config/i386/winnt-stubs.c: Update FSF address.
16892 * config/xtensa/ieee754-df.S: Ditto.
16893 * config/xtensa/ieee754-sf.S: Ditto.
16895 2006-01-14 Ian Lance Taylor <ian@airs.com>
16897 * ifcvt.c (noce_init_if_info): New static function, broken out of
16898 noce_process_if_block.
16899 (noce_process_if_block): Call noce_init_if_info.
16900 (check_cond_move_block): New static function.
16901 (cond_move_process_if_block): New static function.
16902 (process_if_block): Call cond_move_process_if_block.
16904 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16906 * cselib.c (hash_table): Rename to cselib_hash_table.
16907 (cselib_clear_table, discard_useless_values,
16908 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16909 cselib_init, cselib_finish): Adjust uses of hash_table.
16911 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16913 PR tree-optimization/25485
16914 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16915 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16916 is known to be false and true, respectively.
16918 2006-01-14 Richard Guenther <rguenther@suse.de>
16920 PR tree-optimization/22548
16921 PR tree-optimization/22555
16922 PR tree-optimization/22501
16923 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16924 * params.def (salias-max-array-elements): New parameter.
16925 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16926 * doc/invoke.texi (salias-max-array-elements): Document.
16927 * tree-flow-inline.h (var_can_have_subvars): We also handle
16929 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16931 * tree-ssa-structalias.c (params.h): Include.
16932 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16933 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16934 (get_constraint_for): For ADDR_EXPR operating on something
16935 containing an ARRAY_REF, add all subvars to the solution.
16936 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16937 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16938 for creating MUST_DEFs.
16939 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16941 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16943 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16945 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16946 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16947 number_of_iterations_le): New functions.
16948 (number_of_iterations_special): Removed.
16949 (number_of_iterations_exit): Do not use number_of_iterations_special.
16950 * tree.c (unsigned_type_for): Always return integer type.
16952 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16953 Richard Guenther <rguenther@suse.de>
16955 PR rtl-optimization/24257
16956 * gcse.c (find_moveable_store): Only consider a store movable
16957 when the SET_SRC of the insn can be assigned to a register.
16959 2006-01-14 Ian Lance Taylor <ian@airs.com>
16961 * tree.c (tree_not_class_check_failed): New function.
16962 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16963 (tree_not_class_check_failed): Declare.
16965 2006-01-13 Ian Lance Taylor <ian@airs.com>
16967 * reload1.c (do_output_reload): Add assertion rejecting a
16970 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16972 * combine.c (struct reg_stat): Add new fields truncation_label and
16974 (record_value_for_reg): Reset truncated_to_mode.
16975 (record_truncated_value): New function.
16976 (check_promoted_subreg): Call it. Rename to check_conversions.
16977 (combine_instructions): Rename check_promoted_subreg to
16979 (reg_truncated_to_mode): New function.
16980 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16981 (gen_lowpart_or_truncate): New function.
16982 (force_to_mode): Use it instead of gen_lowpart.
16984 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16986 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16987 VAR is a tag, not its type tag.
16989 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16991 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16992 alternatives to match style of other entries.
16993 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16995 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16997 PR tree-optimization/25771
16998 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17001 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17004 * tree-inline.c (declare_return_variable): If the return variable
17005 was marked as a non gimple complex, set the return slot variable
17006 to be a non gimple comple variable.
17008 2006-01-13 Richard Guenther <rguenther@suse.de>
17010 * builtins.c (expand_builtin_sincos): New function.
17011 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17013 (expand_builtin): Expand sincos using expand_builtin_sincos.
17015 2006-01-12 DJ Delorie <dj@redhat.com>
17017 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17018 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17019 so that constant shifts can be split.
17020 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17021 (m32c_valid_pointer_mode): Make static.
17022 (shift_gen_func_for): New.
17023 (m32c_prepare_shift): Use it. Split large const shifts into
17025 * config/m32c/predicates.md (shiftcount_operand): Allow more
17027 (longshiftcount_operand): New.
17028 * doc/md.texi (Machine Constraints): Document In6.
17030 2006-01-13 Ben Elliston <bje@au.ibm.com>
17032 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17033 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17036 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17038 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17039 to try to avoid clobbering pieces of structures when we know
17040 something about the whole structure.
17041 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17043 2006-01-13 Ben Elliston <bje@au.ibm.com>
17045 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17046 return in memory, as this is no limitation is no longer present.
17048 2006-01-12 DJ Delorie <dj@redhat.com>
17050 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17051 mova with fb, and for fb+0 -> An.
17053 * config/m32c/mov.md (peephole2): Fix enabling logic.
17055 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17056 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17057 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17058 FINI_ARRAY_SECTION_ASM_OP): Define.
17060 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17062 (m32c_legitimize_reload_address): New logic to reload FB to An.
17063 (m32c_output_reg_push): Add newline.
17064 (m32c_output_reg_pop): Likewise.
17066 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17068 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17070 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17072 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17074 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17076 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17079 2006-01-11 Ben Elliston <bje@au.ibm.com>
17081 * rtlanal.c (find_reg_note): Assert insn is not null.
17083 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17085 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17088 2006-01-11 Jeff Law <law@redhat.com>
17090 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17092 (mark_threaded_blocks, register_jump_thread): New functions.
17093 (thread_through_all_blocks): Remove unwanted argument. No
17094 longer rely on e->aux to communicate thread target info.
17095 Call mark_threaded_blocks. Release the threaded_blocks
17096 bitmap and threaded_edges vector when complete.
17097 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17098 (threaded_blocks): Remove.
17099 (tree_ssa_dominator_optimize): Remove initialization and
17100 finalization of threaded_blocks. Simplify call to
17101 thread_through_all_blocks.
17102 (thread_across_edge): Call register_jump_thread rather than
17103 storing thread information into e->aux.
17104 (free_all_edge_infos): Simplify now that e->aux is no longer
17105 used to communicate with thread_through_all_blocks.
17106 * tree-flow.h (thread_through_all_blocks): Update prototype.
17107 (register_jump_thread): Prototype.
17109 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17111 * df-core.c (df_compact_blocks, df_bb_replace): Use
17112 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17114 2006-01-11 Richard Guenther <rguenther@suse.de>
17116 PR tree-optimization/25734
17117 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17118 stop propagation after successful propagation to the LHS.
17120 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17122 * basic-block.h (control_flow_graph): Change the type of
17123 x_basic_block_info to VEC(basic_block,gc) *.
17124 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17126 (SET_BASIC_BLOCK): New.
17127 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17128 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17129 * cfgbuild.c (find_basic_blocks): Likewise.
17130 * cfglayout.c (fixup_reorder_chain): Likewise.
17131 * cfgrtl.c (create_basic_block_structure,
17132 rtl_create_basic_block): Likewise.
17133 * ifcvt.c (find_if_case_1): Likewise.
17134 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17137 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17139 * Makefile.in: Removed rotted odf.c entry.
17141 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17144 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17145 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17146 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17147 output pattern modifier, not %e.
17148 * config/cris/cris.c (cris_op_str): Update comment about pattern
17150 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17151 before falling through into...
17152 <case 'E'>: Redefined from old 'e' case.
17154 2006-01-11 Jan Hubicka <jh@suse.cz>
17157 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17159 2006-01-11 Jan Hubicka <jh@suse.cz>
17161 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17162 * i386.c (x86_decompose_lea): Kill.
17163 (ix86_rtx_costs): Kill.
17165 2006-01-11 Jan Hubicka <jh@suse.cz>
17167 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17168 * cgraph.h (cgraph_node): Add inline_decl.
17169 (cgraph_insert_node_to_hashtable): Declare.
17170 (save_inline_function_body): Declare.
17171 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17173 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17174 (cgraph_function_versioning): Update call of tree_function_versioning.
17175 (save_inline_function_body): New function.
17176 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17177 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17178 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17179 (cgraph_default_inline_p): Likewise.
17180 (cgraph_decide_inlining_incrementally): Likewise.
17181 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17182 (copy_bb): Kill saving; do updating of clones.
17183 (copy_cfg_body): Kill saving.
17184 (initialize_inlined-parameters): Likewise.
17185 (expand_call_inline): Likewise.
17187 (tree_function_versioning): New parameter "update_clones".
17188 (inlining_p): Kill saving.
17189 * tree-inline.h (tree_function_versioning): Update prototype.
17190 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17193 2006-01-11 Ian Lance Taylor <ian@airs.com>
17195 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17196 Allow undoing set of machine mode.
17197 (do_SUBST): Use enums instead of is_int.
17198 (do_SUBST_MODE): New function.
17199 (SUBST_MODE): New macro.
17200 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17201 reg and trying to replace reg_regno_rtx with a new register.
17202 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17203 (simplify_set): Use SUBST_MODE.
17204 (distribute_notes): Remove code that tried to update reg notes
17205 for regno_reg_rtx changes.
17207 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17209 PR tree-optimization/23109
17210 PR tree-optimization/23948
17211 PR tree-optimization/24123
17213 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17214 * tree-cfg.c (single_noncomplex_succ): New.
17215 * tree-flow.h (single_noncomplex_succ): Declare it.
17216 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17217 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17218 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17219 insert_bb, register_division_in, insert_reciprocals,
17220 replace_reciprocal, free_bb): New.
17221 (execute_cse_reciprocals_1): Rewritten.
17222 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17223 Do not commit any edge insertion. Always compute dominators and
17224 create the allocation pool.
17225 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17226 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17227 * targhooks.c (default_min_divistions_for_recip_mul): New.
17228 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17229 * passes.c (init_optimization_passes): Run recip after tree loop
17231 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17233 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17234 Kenneth Zadeck <zadeck@naturalbridge.com>
17236 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17237 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17238 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17239 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17240 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17241 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17242 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17243 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17244 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17245 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17246 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17247 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17248 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17249 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17250 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17251 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17252 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17253 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17254 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17255 DF_SCAN_POST_ALLOC): New macros.
17256 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17257 df_free_bb_function, df_local_compute_function, df_init_function,
17258 df_dataflow_function, df_confluence_function_0,
17259 df_confluence_function_n, df_transfer_function,
17260 df_finalizer_function, df_free_function, df_dump_problem_function,
17261 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17262 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17263 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17264 df_urec_bb_info, ) New types.
17265 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17267 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17268 df_analyze_simple_change_some_blocks,
17269 df_analyze_simple_change_one_block, df_compact_blocks,
17270 df_bb_replace, df_bb_regno_last_use_find,
17271 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17272 df_insn_regno_def_p, df_find_def, df_find_use,
17273 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17274 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17275 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17276 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17277 debug_df_chain, df_get_dependent_problem, df_chain_create,
17278 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17279 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17280 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17281 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17282 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17283 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17284 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17285 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17286 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17287 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17288 df_reorganize_refs, df_set_state, df_hard_reg_init,
17289 df_read_modify_subreg_p) New public functions.
17290 * df-core.c: The core dataflow solver and glue routines for rtl
17292 (df_init, df_add_problem, df_set_blocks, df_finish,
17293 df_hybrid_search_forward, df_hybrid_search_backward,
17294 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17295 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17296 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17297 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17298 df_reg_defined, df_find_use, df_reg_used, df_dump,
17299 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17300 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17301 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17302 debug_df_useno, reset_df_after_reload): New functions.
17303 * df-scan.c: The scanning fuctions, once in df.c, completely
17304 rewritten so that they now fully model the functionality of
17305 register usage at the backend.
17306 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17307 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17308 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17309 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17310 df_get_artificial_defs, df_get_artificial_uses,
17311 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17312 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17313 df_refs_delete, df_reorganize_refs, df_set_state,
17314 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17315 df_def_record_1, df_defs_record, df_uses_record,
17316 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17317 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17318 df_record_exit_block_uses, df_hard_reg_init): New functions.
17320 * df-problems.c: Seven concrete dataflow problems that use the
17321 scanning in df-scan.c and are solved by the engine in df-core.c.
17322 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17323 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17324 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17325 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17326 df_ru_free_bb_info, df_ru_alloc,
17327 df_ru_bb_local_compute_process_def,
17328 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17329 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17330 df_ru_transfer_function, df_ru_free, df_ru_dump,
17331 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17332 df_rd_free_bb_info, df_rd_alloc,
17333 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17334 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17335 df_rd_transfer_function, df_rd_free, df_rd_dump,
17336 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17337 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17338 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17339 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17340 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17341 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17342 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17343 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17344 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17345 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17346 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17347 df_urec_mark_reg_use_for_earlyclobber,
17348 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17349 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17350 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17351 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17352 df_chain_create_bb_process_use, df_chain_create_bb,
17353 df_chain_finalize, df_chain_free, df_chains_dump,
17354 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17355 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17356 df_reg_lifetime): New functions.
17357 * df.c: Deleted file.
17358 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17359 consistent with new df api.
17360 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17361 rest_of_handle_sms): Ditto.
17362 * web.c (unionfind_union, union_defs, entry_register, web_main):
17364 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17365 invariant_expr_equal_p, find_defs, check_dependencies,
17366 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17367 free_inv_motion_data, move_loop_invariants): Ditto.
17368 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17369 Update dependencies.
17370 (odf.c): Added defective entry that was deleted later in day.
17371 * sched-deps.c (sched_analyze_1): Ditto.
17373 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17375 * tree-ssa-operands.c (get_expr_operands): Record addressable
17376 variables directly. Do not call add_stmt_operands for CONST_DECLs
17378 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17379 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17381 2006-01-11 Ben Elliston <bje@au.ibm.com>
17383 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17384 function returns true in the positive case.
17386 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17389 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17390 for SI, DI, SF and DF modes. Add alternatives to copy between
17391 general and floating point registers to the 32-bit patterns.
17392 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17393 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17394 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17395 generating 64-bit code.
17396 * config/pa/pa.c (output_move_double): Handle copies between general
17397 and floating registers.
17399 2006-01-10 Stuart Hastings <stuart@apple.com>
17401 * config/i386/i386.md (set_got): Update.
17402 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17403 (builtin_setjmp_receiver): Mach-O support.
17404 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17405 (GOT_SYMBOL_NAME): Define.
17406 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17407 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17408 * config/i386/i386.c (override_options): Revise for Darwin.
17409 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17410 support. (darwin_x86_file_end): New. (output_set_got): Add label
17411 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17412 * config/i386/i386-protos.h (output_set_got): Likewise.
17413 * config/darwin.c (machopic_legitimize_pic_address): Update
17416 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17418 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17419 when MODE isn't BLKmode.
17421 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17423 PR rtl-optimization/25367
17424 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17426 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17429 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17430 for a negative bound.
17432 2006-01-10 Richard Guenther <rguenther@suse.de>
17434 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17435 Never override with anything constraint.
17437 2006-01-10 Jan Beulich <jbeulich@novell.com>
17439 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17440 256 bits when optimize_size.
17442 2006-01-10 Jan Beulich <jbeulich@novell.com>
17444 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17446 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17447 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17450 2006-01-10 Ben Elliston <bje@au.ibm.com>
17452 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17454 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17455 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17456 (USE_FP_FOR_ARG): Reject decimal float modes.
17457 (function_arg_advance): Likewise.
17458 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17459 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17460 point types in AltiVec vectors.
17461 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17462 (rs6000_libcall_value): Likewise.
17464 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17466 * config/xtensa/ieee754-df.S: New file.
17467 * config/xtensa/ieee754-sf.S: New file.
17468 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17469 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17470 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17472 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17474 * config/sh/predicates.md (binary_float_operator,
17475 binary_logical_operator, commutative_float_operator,
17476 equality_comparison_operator, greater_comparison_operator,
17477 less_comparison_operator, logical_operator,
17478 noncommutative_float_operator, shift_operator,
17479 symbol_ref_operand, unary_float_operator): Remove redundant
17482 2006-01-09 Jeff Law <law@redhat.com>
17484 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17485 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17486 now unused arguments. Callers updated.
17487 (eliminate_redundant_computations): Remove now unused arguments,
17489 (local_fold): Remove, no longer used.
17490 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17492 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17493 (simplify_cond): New function.
17494 (forward_propagate_into_cond): Call simplify_cond.
17496 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17498 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17499 (*vec_extractv2di_1_sse): New.
17501 2006-01-09 Ben Elliston <bje@au.ibm.com>
17503 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17505 2006-01-08 Richard Guenther <rguenther@suse.de>
17507 * tree-ssa-structalias.c (get_constraint_for): Remove
17508 anyoffset argument.
17509 (get_constraint_for_component_ref): Likewise.
17510 (do_deref): Likewise.
17511 (get_constraint_for): Likewise.
17512 (do_structure_copy): Likewise.
17513 (handle_ptr_arith): Likewise.
17514 (find_func_aliases): Likewise. Remove unused need_anyoffset
17517 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17518 Kaz Kojima <kkojima@gcc.gnu.org>
17520 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17521 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17522 (EXTRA_CONSTRAINT_C16): Remove.
17523 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17524 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17525 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17526 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17527 constants of SHmedia. Handle nested constant expressions of
17529 (andcosts): Fix the costs for SHmedia constants.
17530 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17531 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17532 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17533 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17534 (movv4hi_i, movv2si_i): Likewise.
17535 (movsi_const): Adjust the second operand of ior so to match with
17536 the Csu constraint.
17537 (movdi_const, movdi_const_32bit): Likewise.
17538 (movdi_const_16bit+1): Don't sign-extend LOW.
17539 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17541 (*double_shori): Fix the split condition. Use GEN_INT instead
17542 of get_int_mode calls. Mask lower 16-bit of the argument of
17544 (sym2GOTPLT): Remove.
17545 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17547 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17548 instead of EXTRA_CONSTRAINT_C16.
17550 2006-01-07 Ian Lance Taylor <ian@airs.com>
17551 David Edelsohn <edelsohn@gnu.org>
17553 PR rtl-optimization/25662
17554 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17555 for constant operands instead of simplify_gen_binary.
17556 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17557 after trying simplify_binary_operation
17559 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17561 * tree.c (iterative_hash_expr): Hash decls based on UID.
17563 2006-01-06 Eric Christopher <echristo@apple.com>
17565 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17566 (TARGET_UNWIND_EMIT): Fix spelling.
17567 * target.h (gcc_target): Add except_table_label.
17568 * except.c (output_function_exception_table): Use.
17569 * varasm.c (default_emit_except_table_label): New.
17570 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17572 (asm_out): Add here.
17573 * output.h (default_emit_except_table_label): Prototype.
17574 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17575 * config/darwin.c (darwin_emit_except_table_label): Define.
17576 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17578 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17580 PR tree-optimization/18527
17581 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17582 number_of_iterations_special, number_of_iterations_exit):
17583 Move base and step of an iv to a single structure. Add
17584 no_overflow flag, and use it in # of iterations analysis.
17585 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17586 folded_casts argument.
17587 (simple_iv): Pass base and step in a structure. Set no_overflow
17589 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17590 Evaluate expensiveness of computing # of iterations instead of
17591 the final expression.
17592 * tree-scalar-evolution.h (affine_iv): New structure.
17593 (simple_iv): Declaration changed.
17594 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17595 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17596 find_givs_in_stmt): Changed due to simple_iv change.
17598 2006-01-06 Jeff Law <law@redhat.com>
17601 * tree-cfg.c (bsi_replace): Rename final argument from
17602 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17603 change (stmt -> orig_stmt).
17604 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17605 (bsi_remove): Add new argument. Remove EH information
17607 (verify_eh_throw_table_statements): New function.
17608 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17610 * tree-optimize.c (execute_free_cfg_annotations): Verify
17611 the EH throw statement table after removing annotations.
17612 * except.h (verify_eh_throw_table_statements): Prototype.
17613 * tree-flow.h (bsi_remove): Update prototype.
17614 * tree-vrp.c (remove_range_assertions): Add new argument to
17616 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17617 * tree-complex.c (expand_complex_div_wide): Likewise.
17618 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17619 * tree-tailcall.c (eliminate_tailcall): Likewise.
17620 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17621 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17622 * tree-nrv.c (tree_nrv): Likewise.
17623 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17624 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17625 (combine_blocks): Likewise.
17626 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17627 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17628 (cleanup_control_flow): Likewise.
17629 (remove_forwarder_block): Likewise.
17630 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17631 * tree-sra.c (sra_replace): Likewise.
17632 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17633 (forward_propagate_single_use_vars): Likewise.
17634 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17635 * tree-inline.c (expand_call_inline): Likewise.
17636 * tree-vect-transform.c (vect_transform_loop): Likewise.
17637 * tree-outof-ssa.c (rewrite_trees): Likewise.
17638 * tree-cfg.c (make_goto_expr_edges): Likewise.
17639 (cleanup_dead_labels): Likewise.
17640 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17641 (bsi_move_before, bsi_move_after): Likewise.
17642 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17643 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17645 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17648 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17650 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17651 on non gimple variables. Also add checks at the top for decls and
17653 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17655 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17656 and IMAGPART_EXPR for creating MUST_DEFs.
17657 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17658 and NAME_MEMORY_TAG separately from the DECLs.
17660 2006-01-06 Richard Guenther <rguenther@suse.de>
17662 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17663 annotation, if necessary.
17664 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17665 redundant calls to update_stmt.
17666 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17669 2006-01-05 Richard Henderson <rth@redhat.com>
17671 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17673 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17675 * c-typeck.c: Update copyright date.
17677 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17679 * c-typeck.c (build_c_cast): Always warn when casting
17680 from a pointer to an integer of different size, even if
17681 the node was constant.
17683 2006-01-05 Richard Guenther <rguenther@suse.de>
17685 PR tree-optimization/22555
17686 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17687 if one structure field is an array.
17688 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17689 operands even if we found a subvar, but ignore VOPs in this
17691 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17693 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17695 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17697 PR middle-end/24998
17698 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17700 2006-01-05 Richard Guenther <rguenther@suse.de>
17701 Diego Novillo <dnovillo@redhat.com>
17703 * tree-pass.h (TODO_remove_unused_locals): Define.
17704 * gimple-low.c (expand_var_p, remove_useless_vars,
17705 pass_remove_useless_vars): Remove. Update all users.
17706 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17707 (remove_unused_locals): New function.
17708 * tree-flow.h (remove_unused_locals): Declare.
17709 * passes.c (execute_todo): Call remove_unused_locals if
17710 TODO_remove_unused_locals is set.
17711 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17712 * tree-ssa-dce.c (pass_dce): Likewise.
17713 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17715 2006-01-05 Richard Guenther <rguenther@suse.de>
17717 * tree-flow.h (struct fieldoff): Decompose field to
17718 type, size and decl.
17719 * tree-ssa-alias.c (create_sft): Take type as parameter.
17720 (create_overlap_variables_for): Store type, size and decl
17721 in the fieldoff structure.
17722 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17723 of struct fieldoff.
17724 (push_fields_onto_fieldstack): Likewise.
17725 (create_variable_info_for): Likewise. Use offset for the
17726 SFT name if the decl is not available.
17728 2006-01-04 Paul Brook <paul@codesourcery.com>
17730 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17732 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17734 * lambda-code.c (can_put_in_inner_loop): Relax
17736 (can_put_after_inner_loop): New function.
17737 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17738 (perfect_nestify): Change to make copies and modify uses.
17740 2006-01-04 Richard Henderson <rth@redhat.com>
17742 Merge from gomp branch:
17743 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17744 via integer constant.
17745 (pragma_lex): Remove.
17746 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17747 rather than parsing it.
17748 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17749 handle_pragma_extern_prefix): Add %< %> quotes.
17750 (registered_pragmas): New.
17751 (c_register_pragma_1): New.
17752 (c_register_pragma): Use it.
17753 (c_register_pragma_with_expansion): Likewise.
17754 (c_invoke_pragma_handler): New.
17755 (init_pragma): Use cpp_register_deferred_pragma directly for
17757 * c-pragma.h (enum pragma_kind): New.
17758 (pragma_handler): New.
17759 (c_invoke_pragma_handler): Declare.
17760 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17762 * c-common.h (c_common_pch_pragma): Update decl.
17763 * Makefile.in (c-parser.o): Update dependencies.
17764 (GTFILES): Add c-pragma.h.
17765 * c-parser.c (struct c_token): Add pragma_kind.
17766 (struct c_parser): Add in_pragma.
17767 (c_lex_one_token): Always initialize keyword and pragma_kind.
17768 Extract data for CPP_PRAGMA.
17769 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17770 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17771 Don't allow CPP_PRAGMA_EOL if in_pragma.
17772 (c_parser_consume_pragma): New.
17773 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17774 (c_parser_skip_to_end_of_parameter): Likewise.
17775 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17776 (c_parser_skip_to_pragma_eol): New.
17777 (c_parser_external_declaration): Handle CPP_PRAGMA.
17778 (c_parser_compound_statement_nostart): Likewise.
17779 (c_parser_statement_after_labels): Likewise.
17780 (c_parser_pragma): New.
17781 (pragma_lex): Likewise.
17782 (c_parser_pragma_pch_preprocess): New.
17783 (c_parser_new): Merge into ...
17784 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17786 2006-01-04 Jeff Law <law@redhat.com>
17789 * tree-cfg.c (bsi_replace): Remove the original statement
17790 from the EH throw statement table.
17792 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17794 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17795 make the prototype extern "C" and add throw ().
17798 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17799 and pos non-negative and pos + len <= 32.
17800 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17801 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17802 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17805 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17806 as well as sizes not multiple of component size.
17809 * function.c (instantiate_expr): New function.
17810 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17811 walk its DECL_VALUE_EXPR with instantiate_expr.
17813 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17814 DW_OP_deref{,_size} if address isn't going to be added.
17816 2006-01-04 Ben Elliston <bje@au.ibm.com>
17818 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17819 * config/fp-bit.c: Likewise.
17821 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17823 * dominance.c: Add comment about why we use DFS numbering
17826 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17827 Richard Henderson <rth@redhat.com>
17829 Merge from gomp-branch:
17830 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17831 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17833 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17835 PR rtl-optimization/25578
17836 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17837 pass a parameter to simplify_shift_const if changing ASHIFTRT
17840 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17842 * builtins.c (get_builtin_sync_mem): New function.
17843 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17844 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17845 Call get_builtin_sync_mem to generate mem rtx.
17847 2006-01-03 Richard Guenther <rguenther@suse.de>
17850 * stmt.c (add_case_node): Make sure to clear overflow flags
17853 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17855 Merge from gomp-branch.
17856 * config/sparc/sync.md: New file.
17857 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17858 UNSPECV_LDSTUB): New constants.
17859 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17860 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17861 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17864 2006-01-03 Roger Sayle <roger@eyesopen.com>
17866 * combine.c (reg_subword_p): New predicate to test whether the
17867 destination of a set refers to a subword/piece of a register.
17868 (try_combine): Generalize the code to merge the setting of a
17869 pseudo to a constant followed by a set of a subword of that
17870 register to a constant.
17872 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17874 * basic-block.h (control_flow_graph): Change the type of
17875 x_label_to_block_map to VEC(basic_block,gc) *.
17876 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17877 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17879 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17880 VEC(basic_block,heap) *.
17881 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17882 ssa_prop_fini): Adjust the uses of cfg_blocks.
17884 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17886 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17888 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17889 hashing trees instead of a pointer hash.
17890 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17891 compare for MEM_EXPR.
17893 PR rtl-optimization/25130
17894 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17895 when comparing MEMs for GCSE
17897 2006-01-03 Ben Elliston <bje@au.ibm.com>
17899 * targhooks.h (default_decimal_float_supported_p): Declare.
17900 * targhooks.c (default_decimal_float_supported_p): Define.
17901 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17902 `default_decimal_float_supported_p'.
17903 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17905 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17907 * combine.c (apply_distributive_law <SUBREG>): Check
17908 TRULY_NOOP_TRUNCATION.
17910 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17912 * dwarf2out.c (have_switched_text_section): Delete.
17913 (have_multiple_function_sections): New.
17914 (have_location_lists): Make 'bool'.
17915 (add_AT_loc_list): Use 'true' not '1'.
17916 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17917 (output_loc_list): Use have_multiple_function_sections.
17918 (output_ranges): Likewise.
17919 (dwarf2out_begin_function): Set have_multiple_function_sections if
17921 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17922 Check function_section rather than DECL_SECTION_NAME.
17923 (dwarf2out_finish): Use have_multiple_function_sections.
17924 Don't clear have_location_lists.
17926 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17927 Jan Hubicka <jh@suse.cz>
17929 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17930 case of conditional jump jumping to the next instruction.
17931 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17932 cases of conditional jump jumping to the next instruction.
17934 2006-01-02 Jan Hubicka <jh@suse.cz>
17936 * i386.c (*_cost): Add COSTS_N_INSNS.
17937 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17939 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17942 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17944 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17946 * config/arm/arm.c (all_fpus): Fix comment typo.
17947 * config/darwin.c: Likewise.
17948 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17949 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17950 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17952 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17954 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17955 (rs6000_split_compare_and_swapqhi): New.
17956 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17957 (sync_compare_and_swapqhi_internal): New.
17958 * config/rs6000/rs6000-protos.h: Declare.