1 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
4 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
5 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
7 2006-11-11 Richard Sandiford <richard@codesourcery.com>
10 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
11 constraints accept neither registers or memories.
13 2006-11-11 Jie Zhang <jie.zhang@analog.com>
15 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
16 (NO_PROFILE_COUNTERS): Define as 1.
18 2006-11-10 Roger Sayle <roger@eyesopen.com>
20 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
21 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
23 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
25 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
27 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
29 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
30 (fold_builtin_hypot): Likewise.
31 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
33 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
35 2006-11-10 Roger Sayle <roger@eyesopen.com>
37 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
38 when attempting to build INTEGER_CSTs of non-integral types.
39 * expmed.c (make_tree): Use the correct type, i.e. the inner
40 type, when constructing the individual elements of a CONST_VECTOR.
42 2006-11-10 Jan Hubicka <jh@suse.cz>
44 * cse.c (cse_process_notes): Copy the propagated value.
45 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
47 * gcse.c (try_replace_reg): Copy the replacement.
48 * i386.c (emit_i387_cw_initialization): Copy stored_mode
49 (assign_386_stack_local): Always return copied memory expression
50 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
53 2006-11-10 Jan Hubicka <jh@suse.cz>
55 * final.c (final): Walk from first instruction.
56 * cfglayout.c (insn_locators_initialize): Remove line number notes.
58 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
61 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
63 (umulv8hi3_highpart): Ditto.
64 (vec_widen_smult_hi_v8hi): New expander.
65 (vec_widen_smult_lo_v8hi): Ditto.
67 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
69 * builtins.c (do_mpfr_arg3): New.
70 (fold_builtin_1): Handle builtins fma, fmin and fmax.
72 2006-11-09 Eric Christopher <echristo@apple.com>
77 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
78 * config.gcc (powerpc64-*-darwin*): New target.
80 * config/rs6000/darwin64.h: New file.
81 * config/rs6000/x-darwin64: Ditto.
82 * config/rs6000/host-ppc64-darwin.c: Ditto.
84 2006-11-09 Steve Ellcey <sje@cup.hp.com>
86 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
87 routines for integer division.
89 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
91 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
93 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
96 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
98 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
100 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
101 simplify_subreg with BLKmode outer mode.
103 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
105 * doc/invoke.texi: Minor formatting fixes in option lists.
107 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
109 PR tree-optimization/29738
110 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
111 (ccp_lattice_t): Remove UNKNOWN_VAL.
112 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
113 Do not handle UNKNOWN_VAL.
114 (get_default_value): Set initial value of virtual operands to
116 (get_value): Always use get_default_value on uninitialized
118 (set_value_varying, surely_varying_stmt_p): New functions.
119 (set_lattice_value): Do not pass argument to get_value.
120 Do not handle UNKNOWN_VAL.
121 (likely_value): Follow the semantics described in the comment.
122 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
123 phi nodes DONT_SIMULATE_AGAIN.
124 (ccp_fold): Do not pass argument to get_value.
125 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
128 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
130 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
131 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
133 2006-11-08 Roger Sayle <roger@eyesopen.com>
135 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
136 test for inclusion rather than as a test for exclusion.
137 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
138 the condition after calling fold_binary.
139 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
140 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
141 * builtins.c (fold_builtin_isascii): Likewise.
142 (fold_builtin_isdigit): Likewise.
144 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
146 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
147 * configure: Regenerate.
149 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
151 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
152 enum argument instead of bool.
153 (vect_analyze_operations): Call vectorizable_type_promotion.
154 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
155 stmt_vec_info_type value.
156 (supportable_widening_operation, vectorizable_type_promotion): New
157 function declarations.
158 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
159 (vectorizable_type_promotion): New function.
160 (vect_transform_stmt): Call vectorizable_type_promotion.
161 * tree-vect-analyze.c (supportable_widening_operation): New function.
162 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
164 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
167 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
168 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
169 * tree-inline.c (estimate_num_insns_1): Add cases for above new
171 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
172 * expr.c (expand_expr_real_1): Likewise.
173 * optabs.c (optab_for_tree_code): Likewise.
174 (init_optabs): Initialize new optabs.
175 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
176 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
177 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
178 vec_unpacku_lo_optab): Initialize new optabs.
179 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
180 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
181 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
183 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
184 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
185 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
186 (vec_unpacku_lo_optab): New optabs.
187 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
188 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
189 (vec_widen_smult_hi, vec_widen_smult_lo): New.
190 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
191 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
192 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
194 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
195 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
196 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
197 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
198 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
199 implement the unsigned unpacking patterns.
200 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
201 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
202 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
203 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
204 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
205 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
206 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
207 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
208 multiplication patterns.
210 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
211 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
212 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
213 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
214 (rs6000_builtin_mul_widen_odd): New.
215 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
216 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
217 * tree-vectorizer.h (enum vect_relevant): New enum type.
218 (_stmt_vec_info): Field relevant chaned from bool to enum
220 (STMT_VINFO_RELEVANT_P): Updated.
221 (STMT_VINFO_RELEVANT): New.
222 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
223 instead of STMT_VINFO_RELEVANT_P.
224 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
225 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
226 and boolean variable with enum vect_relevant.
227 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
228 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
229 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
231 2006-11-08 Richard Henderson <rth@redhat.com>
233 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
234 vec_widen_umult_lo_v8hi): New.
235 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
236 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
238 * config/i386/i386.c (ix86_expand_sse_unpack): New.
239 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
240 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
241 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
242 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
243 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
244 vec_unpacks_lo_v4si): New.
246 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
248 * tree-vect-transform.c (vectorizable_type_demotion): New function.
249 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
250 (vect_analyze_operations): Call vectorizable_type_demotion.
251 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
252 stmt_vec_info_type value.
253 (vectorizable_type_demotion): New function declaration.
254 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
257 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
258 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
260 * tree-iniline.c (estimate_num_insns_1): Likewise.
261 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
262 * optabs.c (optab_for_tree_code): Likewise.
264 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
265 compared against the predicate of the result is not 'mode' (the input
266 to the function) but a mode with half the size of 'mode'.
267 (init_optab): Initialize new optabs.
268 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
270 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
272 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
273 (vec_pack_usat_optab): Initialize new optabs.
274 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
275 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
277 2006-11-08 Richard Henderson <rth@redehat.com>
279 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
280 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
281 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
282 (vec_interleave_highv4si, vec_interleave_lowv4si):
283 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
285 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
287 * tree-vect-transform.c (vectorizable_reduction): Support multiple
289 (vect_transform_stmt): Removed redundant code.
291 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
293 * tree-vect-transform.c (vectorizable_operation): Support multiple
296 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
298 * tree-vect-transform.c (vect_align_data_ref): Removed.
299 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
300 Updated function documentation. Return the increment stmt in ptr_incr.
301 (bump_vector_ptr): New function.
302 (vect_get_vec_def_for_stmt_copy): New function.
303 (vect_finish_stmt_generation): Create a stmt_info to newly created
305 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
307 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
308 VF is greater than the number of elements that can fit in one vector
310 (vectorizable_operation, vectorizable_condition): Likewise.
311 (vectorizable_store, vectorizable_load): Support the case that the VF
312 is greater than the number of elements that can fit in one vector word.
313 (vect_transform_loop): Don't fail in case of multiple data-types.
314 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
315 in case of multiple data-types; the smallest type determines the VF.
316 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
317 if they are of different sizes.
318 (vect_update_misalignment_for_peel): Compare misalignments in terms of
319 number of elements rather than number of bytes.
320 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
321 (vect_can_advance_ivs_p): Fix a dump printout
323 2006-11-07 Eric Christopher <echristo@apple.com>
325 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
327 * libgcc2.h: Remove transformation of bswap routines.
328 * config/i386/i386.md (bswapsi2): New.
331 2006-11-07 Jakub Jelinek <jakub@redhat.com>
333 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
334 (handle_gnu_inline_attribute): New function.
335 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
336 (merge_decls, start_decl, start_function): Likewise.
337 * doc/extend.texi: Document gnu_inline attribute.
339 2006-11-07 Steve Ellcey <sje@cup.hp.com>
342 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
343 _fixunstfdi, and _floatditf
345 2006-11-06 Anatoly Sokolov <aesok@post.ru>
347 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
349 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
350 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
351 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
352 which start in an odd register.
354 2006-11-07 Richard Sandiford <richard@codesourcery.com>
356 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
358 2006-11-07 Josh Conner <jconner@apple.com>
360 * doc/invoke.texi (fstrict-aliasing): Move implementation
362 * doc/tree-ssa.texi (Alias analysis): ...here.
364 2006-11-07 Richard Guenther <rguenther@suse.de>
366 PR tree-optimization/29610
367 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
368 of tree_purge_dead_eh_edges as it may free dominators.
370 * g++.dg/other/pr29610.C: New testcase.
372 2006-11-07 David Ung <davidu@mips.com>
374 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
375 costs when optimizing for size.
376 (override_options): Use mips_rtx_cost_optimize_size table for cost
379 2006-11-07 Jie Zhang <jie.zhang@analog.com>
381 * gcc.c (process_command): Treat -b as normal switch if its argument
384 2006-11-07 David Ung <davidu@mips.com>
386 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
389 2006-11-06 Eric Christopher <echristo@apple.com>
391 * config.gcc: Add x86_64-darwin host support.
392 * config.host: Ditto.
393 * config/i386/darwin64.h: New file.
394 * config/i386/t-darwin64: Ditto.
396 2006-11-06 Janis Johnson <janis187@us.ibm.com>
398 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
399 and output-exists-not.
401 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
404 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
405 checking for overflow.
407 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
409 * configure.ac: Fixed typo in case statement: :: changed to ;;
411 2006-11-06 Bob Wilson <bob.wilson@acm.org>
413 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
414 count_leading_zeros, and count_trailing_zeros.
415 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
416 (TARGET_FOLD_BUILTIN): Define.
417 (TARGET_EXPAND_BUILTIN): Define.
418 (xtensa_init_builtins): New.
419 (xtensa_fold_builtin): New.
420 (xtensa_expand_builtin): New.
421 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
422 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
423 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
424 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
425 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
426 (any_extend): New code macro.
427 (u, su): New code attributes.
428 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
429 (nsau): Remove; replaced by clzsi2.
430 (ffssi2): Use clzsi2.
431 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
432 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
433 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
434 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
435 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
437 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
439 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
441 * config/arm/t-strongarm-elf: Likewise.
442 * config/arm/t-pe: Likewise.
443 * config/arm/t-arm-elf: Likewise.
444 * config/arm/t-xscale-elf: Likewise.
445 * config/arm/t-arm-coff: Likewise.
446 * config/arm/t-xscale-coff: Likewise.
447 * config/arm/t-wince-pe: Likewise.
449 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
451 * config/sh/lib1funcs-4-300.asm: Guard entire file with
454 2006-11-05 Jakub Jelinek <jakub@redhat.com>
457 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
460 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
463 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
464 as a valid 80387 constant.
465 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
466 * config/i386/i386.md (unnamed splitter): Split the load of
467 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
470 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
472 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
473 from the soft-frame, argument and virtual registers.
475 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
477 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
478 patterns for standard 80387 constants.
480 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
481 Steven Bosscher <steven@gcc.gnu.org>
483 * fwprop.c: New file.
484 * Makefile.in: Add fwprop.o.
485 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
486 * passes.c (init_optimization_passes): Schedule forward propagation.
487 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
489 * timevar.def (TV_FWPROP): New.
490 * common.opt (-fforward-propagate): New.
491 * opts.c (decode_options): Enable forward propagation at -O2.
492 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
493 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
494 canon_for_address, table_size): Remove.
495 (new_basic_block, insert, remove_from_table): Remove references to
497 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
498 simplification loop more straightforward by not calling fold_rtx
500 (equiv_constant): Move here a small part of fold_rtx_subreg,
501 do not call fold_rtx. Call avoid_constant_pool_reference
503 * recog.h (canonicalize_change_group): New.
505 * doc/invoke.texi (Optimization Options): Document fwprop.
506 * doc/passes.texi (RTL passes): Document fwprop.
508 2006-11-03 Geoffrey Keating <geoffk@apple.com>
510 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
511 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
512 (grokdeclarator): Likewise.
514 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
516 * tree-dump.c (dump_enable_all): Rename local variable
517 ir_type to avoid name conflicts.
518 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
519 instead of using ir_type().
520 * profile.c (tree_register_profile_hooks): Likewise.
521 * value-prof.c (tree_register_value_prof_hooks): Likewise.
522 * basic-block.h (struct edge_def): Likewise.
523 * config/arm/arm.c (legitimize_pic_address): Likewise.
524 * coretypes.h (ir_type): New enum of all intermediate languages
526 * cfghooks.c (ir_type): Rename to...
527 (current_ir_type): ...this. Distinguish between cfgrtl and
528 cfglayout mode when the current IR is RTL. Return enum ir_type.
529 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
531 2006-11-03 Paul Brook <paul@codesourcery.com>
533 * config/arm/arm.c (arm_file_start): New function.
534 (TARGET_ASM_FILE_START): Define.
535 (arm_default_cpu): New variable.
536 (arm_override_options): Set arm_default_cpu.
538 2006-11-03 David Ung <davidu@mips.com>
540 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
541 PROCESSOR_24KC and PROCESSOR_24KF.
542 * config/mips/mips.c (mips_cpu_info_table): Add processor names
543 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
544 (mips_rtx_cost_data): Add costs for the 24kc.
545 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
546 * config/mips/24k.md: Remove references to 24k and replace with
547 uses of 24kc/24kf in the appropriate reservations.
548 * doc/invoke.texi (MIPS Options): Updated.
550 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
552 * config/sh/crt1.asm: Fix #ifdef indent.
554 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
555 Merged from STMicroelectronics sources:
556 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
557 * config/sh/crt1.asm (vbr_600): Add missing #if.
558 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
559 * sh.opt (mfused-madd): New option.
560 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
561 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
562 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
563 Remove pointless handler at VBR+0.
564 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
565 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
566 fr7. Make sure the timer handler is called with the correct FPU
567 precision setting, according to the ABI.
568 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
569 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
570 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
571 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
572 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
573 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
574 zero as second operand.
575 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
576 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
577 Fixed some bugs related to negative values, in particular -0
578 and overflow at -0x80000000.
579 * config/sh/divcost-analysis: Added sh4-300 figures.
580 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
581 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
582 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
583 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
584 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
585 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
587 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
589 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
590 SH4-300 scheduling description & fixes to SH4-[12]00 description:
591 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
592 mac_mem, mem_mac, dfp_mul, fp_cmp.
593 (insn_class, dfp_comp, any_fp_comp): Update.
594 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
595 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
596 (muldf3_i): Likewise.
597 (movsi_i): Split rI08 alternative into two separate alternatives.
599 (movsi_ie, movsi_i_lowpart): Likewise.
600 (movqi_i): Split ri alternative into two separate alternatives.
602 * sh1.md (sh1_load_store, sh1_fp): Update.
603 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
604 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
605 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
606 (sh4a_fp_double_arith): Likewise.
607 * sh4-300.md: New file.
608 * sh.c (sh_handle_option): Handle m4-300* options.
609 (sh_adjust_cost): Fix latency of auto-increments.
610 Handle SH4-300 differently than other SH4s. Check for new insn types.
611 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
612 been set by an option.
613 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
614 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
615 (mbranch-cost=): Likewise.
616 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
618 * sh.md (mulsf3): Remove special expansion code.
619 (mulsf3_ie): Now a define_insn_and_split.
620 (macsf3): Allow for TARGET_SH4.
622 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
623 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
624 (expand_cbranchdi4): Likewise.
625 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
626 CONST_DOUBLE if the outer code is COMPARE.
627 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
628 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
629 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
630 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
631 Remove redundant fp_{zero,one}_operand checks.
632 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
633 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
634 (expand_cbranchdi4): Likewise.
635 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
636 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
638 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
640 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
643 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
645 * doc/invoke.texi: Fix mfp-trap-mode typo.
647 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
649 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
650 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
651 file_end_indicate_exec_stack.
652 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
654 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
655 for a non-executable stack.
656 * crti.asm: Likewise.
657 * crtn.asm: Likewise.
658 * libunwind.S: Likewise.
660 2006-11-02 Ben Elliston <bje@au.ibm.com>
662 * tree-ssa.c (warn_uninit): Use expand_location variables for
663 locus and declaration locus.
665 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
668 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
669 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
670 cmp{eq,gt,gtu}{si,di}_media.
671 (*cmpne0si_media): Remove.
672 (*movsicc_umin): Adjust gen_cmp*_media call.
673 (unordered): Change the mode of unordered and operands[1] to
675 (seq): Adjust gen_cmp*_media calls. Make the mode of
676 a temporary result of compare SImode if needed. If the mode
677 of operands[0] is DImode, extend the temporary result to DImode.
678 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
679 (sunorderd): Change the mode of match_operand and unorderd to
681 (cmpeq{sf,df}_media): Remove.
682 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
683 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
684 and compare operation to SImode.
686 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
688 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
690 (sparc64-sun-solaris2*): Likewise.
692 2006-11-02 Paul Brook <paul@codesourcery.com>
694 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
695 from priority argument. Use different section for non-default
697 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
699 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
702 * except.c (switch_to_exception_section): Do not cache the section
703 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
704 and flag_function_sections is set.
706 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
709 * builtins.c (do_mpfr_sincos): New.
710 (fold_builtin_1): Use it to fold builtin sincos.
712 2006-11-01 Roger Sayle <roger@eyesopen.com>
714 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
715 it into -D_REENTRANT.
717 2006-11-01 Roger Sayle <roger@eyesopen.com>
719 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
720 whether the assembler supports taking the difference of symbols in
721 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
722 * configure: Regenerate.
723 * config.in: Regenerate.
724 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
725 the assembler doesn't support taking the difference of symbols in
726 different sections, i.e. we're using the native solaris assembler.
728 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
729 Peter Bergner <bergner@vnet.ibm.com>
731 * doc/invoke.texi: Add cpu_type power6x
732 (RS/6000 and PowerPC Options): Add -mmfpgpr.
733 * config.gcc: Add cpu_type power6x.
734 * configure.ac: Add test for mf{t,f}gpr instructions.
735 (HAVE_AS_MFPGPR): New.
736 * config.in: Regenerate.
737 * configure: Regenerate.
738 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
739 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
740 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
741 and mftgpr attributes.
742 (define_attr "cpu"): Add power6.
743 Change instruction sequences to use new attributes.
744 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
745 (fix_truncdfsi2_mfpgpr): New.
746 (floatsidf_ppc64_mfpgpr): New.
747 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
748 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
749 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
750 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
751 (fix_truncdfsi2): Use gpc_reg_operand constraint.
752 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
753 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
754 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
755 cntlz,exts and var_delayed_compare.
756 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
757 _ARCH_PWR6X, if features enabled.
758 * config/rs6000/rs6000.opt (mmfpgpr): New.
759 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
760 (cached_can_issue_more): New variable.
761 (processor_costs): Add power6_cost.
762 (rs6000_sched_init): New function.
763 (is_dispatch_slot_restricted): Deleted.
764 (set_to_load_agen): New function.
765 (is_load_insn,is_store_insn): New functions.
766 (adjacent_mem_locations): New function.
767 (insn_must_be_first_in_group): New function.
768 (insn_must_be_last_in_group): New function.
769 (rs6000_sched_reorder): New function.
770 (rs6000_sched_reorder2): New function.
771 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
772 TARGET_SCHED_REORDER2): Define.
773 (processor_target_table): Use PROCESSOR_POWER6 for power6.
774 Add power6x. Add MASK_MFPGPR for power6x.
775 (POWERPC_MASKS): Add MASK_MFPGPR.
776 (rs6000_override_options): Set rs6000_always_hint to false
777 for power6. Set rs6000_align_branch_targets. Replace
778 rs6000_sched_groups check with rs6000_align_branch_targets.
779 Use PROCESSOR_POWER6.
780 (last_scheduled_insn): New variable.
781 (load_store_pendulum): New variable.
782 (rs6000_variable_issue): Set last_scheduled_insn and
783 cached_can_issue_more.
784 (rs6000_adjust_cost): Add power6 cost adjustments.
785 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
786 with insn_must_be_first_in_group. Add power6 priority adjustments.
787 (rs6000_issue_rate): Add CPU_POWER6.
788 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
789 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
790 (TARGET_MFPGPR): New.
791 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
792 (ASM_CPU_SPEC): Add power6x.
793 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
795 * config/rs6000/power6.md: New file.
797 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
799 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
800 HOST_WIDE_INT_PRINT to print high and low parts. Use
801 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
802 printing a hexadecimal number prefix it with 0x.
804 2006-11-01 Chris Johns <chris@contemporary.net.au>
807 * Makefile.in (install-driver): Use exeext when installing
808 $target-gcc-$version.
810 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
812 * c-common.c (flag_cpp0x): New.
813 * c-common.h (flag_cpp0x): New.
814 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
815 supported, define __GXX_EXPERIMENTAL_CPP0X__.
816 * c-opts.c (set_std_cxx0x): New.
817 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
818 * c.opt (std=c++0x): Document.
819 (std=gnu++0x): Ditto.
820 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
821 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
823 2006-11-01 Richard Guenther <rguenther@suse.de>
825 * config/i386/i386.c (ix86_expand_rint): Fix issues with
827 (ix86_expand_floorceildf_32): Likewise.
828 (ix86_expand_floorceil): Likewise.
829 (ix86_expand_trunc): Likewise.
831 2006-10-31 Andrew Pinski <pinskia@gmail.com>
833 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
836 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
838 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
840 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
842 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
844 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
845 * configure.ac (use_cxa_atexit): As a special case, don't test
846 for libc definition of __cxa_atexit on mingw32
847 * configure: Regenerate.
848 * config.gcc (i[34567]86-pc-mingw32): Default to
849 enable__cxa_atexit=yes.
851 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
853 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
855 2006-10-31 Geoffrey Keating <geoffk@apple.com>
858 * c-decl.c (start_struct): Don't create self-containing
860 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
862 * config/rs6000/rs6000-protos.h
863 (darwin_rs6000_special_round_type_align): New.
864 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
865 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
867 2006-10-31 Geoffrey Keating <geoffk@apple.com>
869 * toplev.c (compile_file): Call final_write_globals
870 even if there have been errors.
872 2006-10-31 Eric Christopher <echristo@apple.com>
873 Falk Hueffner <falk@debian.org>
875 * doc/extend.texi (__builtin_bswap32): Document.
876 (__builtin_bswap64): Ditto.
877 * doc/libgcc.texi (bswapsi2): Document.
879 * doc/rtl.texi (bswap): Document.
880 * optabs.c (expand_unop): Don't widen a bswap.
881 (init_optabs): Init bswap. Set libfuncs explicitly
882 for bswapsi2 and bswapdi2.
883 * optabs.h (OTI_bswap): New.
884 (bswap_optab): Ditto.
885 * genopinit.c (optabs): Handle bswap_optab.
886 * tree.h (tree_index): Add TI_UINT32_TYPE and
888 (uint32_type_node): New.
889 (uint64_type_node): Ditto.
890 * tree.c (build_common_tree_nodes_2): Initialize
891 uint32_type_node and uint64_type_node.
892 * builtins.c (expand_builtin_bswap): New.
893 (expand_builtin): Call.
894 (fold_builtin_bswap): New.
895 (fold_builtin_1): Call.
896 * fold-const.c (tree_expr_nonnegative_p): Return true
898 * builtin-types.def (BT_UINT32): New.
900 (BT_FN_UINT32_UINT32): Ditto.
901 (BT_FN_UINT64_UINT64): Ditto.
902 * builtins.def (BUILT_IN_BSWAP32): New.
903 (BUILT_IN_BSWAP64): Ditto.
904 * rtl.def (BSWAP): New.
905 * genattrtab.c (check_attr_value): New.
906 * libgcc2.c (__bswapSI2): New.
908 * libgcc2.h (__bswapSI2): Declare.
910 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
911 * simplify-rtx.c (simplify_const_unary_operation): Return
913 * libgcc-std.ver (__bwapsi2): Add.
915 * reload1.c (eliminate_regs_1): Add bswap.
916 (elimination_effects): Ditto.
917 * config/i386/i386.h (x86_bswap): New.
919 * config/i386/i386.c (x86_bswap): Set.
921 2006-10-31 Geoffrey Keating <geoffk@apple.com>
923 * coverage.c (coverage_checksum_string): Update comment.
924 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
925 of get_file_function_name.
926 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
927 of get_file_function_name_long.
928 * tree.c (get_file_function_name): Rename from
929 get_file_function_name_long; improve comment; handle 'I' and 'D'
930 specially when the target has ctor/dtor support; remove special
932 (get_file_function_name): Remove.
933 * tree.h (get_file_function_name): Rename from
934 get_file_function_name_long.
935 (get_file_function_name): Remove prototype.
937 2006-10-31 Geoffrey Keating <geoffk@apple.com>
939 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
940 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
942 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
943 Call dsymutil when compiling and linking one or more source files
946 2006-10-31 Geoffrey Keating <geoffk@apple.com>
949 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
951 2006-10-31 Geoffrey Keating <geoffk@apple.com>
953 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
954 inline static functions in c99 mode.
957 * doc/extend.texi (Inline): Update.
958 * c-tree.h (struct language_function): Remove field 'extern_inline'.
959 * c-decl.c (current_extern_inline): Delete.
960 (pop_scope): Adjust test for an undefined nested function.
961 Add warning about undeclared inline function.
962 (diagnose_mismatched_decls): Update comments. Disallow overriding
963 of inline functions in a translation unit in C99. Allow inline
964 declarations in C99 at any time.
965 (merge_decls): Boolize variables. Handle C99 'extern inline'
967 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
968 C99 inline semantics.
969 (start_function): Don't clear current_extern_inline. Don't set
971 (c_push_function_context): Don't push current_extern_inline.
972 (c_pop_function_context): Don't restore current_extern_inline.
975 * c-typeck.c (build_external_ref): Warn about static variables
976 used in extern inline functions.
977 * c-decl.c (start_decl): Warn about static variables declared
978 in extern inline functions.
980 2006-10-31 Roger Sayle <roger@eyesopen.com>
983 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
984 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
985 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
986 or y is an even integer.
988 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
991 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
992 * gthr-posix95.h (__gthread_active_p): Likewise.
994 2006-10-31 Richard Guenther <rguenther@suse.de>
996 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
997 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
998 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
999 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1000 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1001 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1002 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1003 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1006 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1008 * opts.c (decode_options): Disable CSE skip blocks.
1010 2006-10-30 Dirk Mueller <dmueller@suse.de>
1012 * c-common.h (strict_aliasing_warning): Fix whitespace.
1013 * c-decl (start_function): Move code for main decl warning ..
1014 * c-common.c (check_main_parameter_types): .. here.
1015 * c-common.h (check_main_parameter_types): Declare.
1017 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1020 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1022 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1024 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1025 be a PARALLEL containing sets. Return false when out_pat is not
1028 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1030 * config/mips/mips.md (mul<mode>3): Split into...
1031 (mulsi3, muldi3): ...these separate patterns.
1033 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1035 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1036 but with each set of options separated by spaces.
1038 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1040 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1041 dwarf_reg_size_table has been initialized.
1043 2006-10-30 Roger Sayle <roger@eyesopen.com>
1045 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1046 * ddg.c (print_ddg_edge): Likewise.
1047 * dwarf2out.c (prune_unused_types_walk): Likewise.
1048 * ifcvt.c (noce_try_cmove_arith): Likewise.
1049 * langhooks.c (add_builtin_function): Likewise.
1050 * reg-stack.c (subst_stack_regs_pat): Likewise.
1051 * tree.c (expanded_location): Likewise.
1052 * tree-dump.c (dequeue_and_dump): Likewise.
1054 2006-10-30 David Daney <ddaney@avtrex.com>
1056 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1058 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1060 PR tree-optimization/29637
1061 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1062 of the innertype is the innertype itself.
1064 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1066 * dwarf2out.c (file_name_acquire): Correct typo.
1068 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1070 * tree.h (tree_value_handle): Remove struct value_set declaration.
1071 Change value_set to bitmap_set.
1072 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1073 * tree-vn.c (get_value_handle): Made inline and moved to
1075 * tree-flow-inline.h: (has_stmt_ann): New function.
1076 * tree-ssa-pre.c (expressions): New variable.
1077 (next_expression_id): Ditto.
1078 (alloc_expression_id): New function.
1079 (struct value_set): Remove.
1080 (get_expression_id): New function.
1081 (get_or_alloc_expression_id): Ditto.
1082 (expression_for_id): Ditto.
1083 (clear_expression_ids): Ditto.
1084 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1085 (bb_value_sets): Renamed to bb_bitmap_sets.
1086 All value sets replaced with bitmap_sets.
1088 (BB_VISITED): New macro.
1089 (postorder): New variable.
1090 (add_to_value): Removed.
1091 (value_exists_in_set_bitmap): Ditto.
1092 (value_insert_into_set_bitmap): Ditto.
1095 (set_remove): Ditto.
1096 (set_contains_value): Ditto.
1097 (insert_into_set): Ditto.
1099 (find_leader): Ditto.
1100 (bitmap_set_subtract_from_value_set): Ditto.
1101 (value_insert_into_set): Ditto.
1102 (print_value_set): Ditto.
1103 (debug_value_set): Ditto.
1104 (constant_expr_p): New function.
1105 (bitmap_remove_from_set): Ditto.
1106 (bitmap_insert_into_set): Ditto.
1107 (bitmap_set_free): Ditto.
1108 (vh_compare): Ditto.
1109 (sorted_array_from_bitmap_set): Ditto.
1110 (bitmap_set_subtract): Ditto.
1111 (bitmap_set_equal): Ditto.
1112 (debug_bitmap_set): Ditto.
1113 (find_leader_in_sets): Ditto.
1114 (bitmap_set_replace_value): Modify for bitmapped sets.
1115 (phi_translate): Ditto.
1116 (phi_translate_set): Ditto.
1117 (bitmap_find_leader): Ditto.
1118 (valid_in_sets): Ditto.
1119 (union_contains_value): Ditto.
1121 (compute_antic_aux): Ditto. Mark changed blocks.
1122 (compute_antic): Ditto. Iterate in postorder and only over
1124 (compute_rvuse_and_antic_safe): Reuse postorder.
1125 (create_component_ref_by_pieces): Modify for bitmapped sets.
1126 (find_or_generate_expression): Ditto.
1127 (create_expression_by_pieces): Ditto.
1128 (insert_into_preds_of_block): Ditto.
1129 (changed_blocks): New variable.
1130 (do_regular_insertion): Broken out from insert_aux.
1131 (insert_aux): Modified for bitmapped sets.
1132 (find_existing_value_expr): New function.
1133 (create_value_expr_from): Use it.
1134 (insert_extra_phis): Removed.
1135 (print_bitmap_set): Renamed from bitmap_print_value_set.
1136 (compute_avail): Handle RETURN_EXPR.
1137 (init_pre): Modify for bitmapped sets.
1138 * tree-flow.h (has_stmt_ann): New function.
1140 2006-10-29 Roger Sayle <roger@eyesopen.com>
1142 * builtins.c (fold_builtin_floor): Check for the availability of
1143 the C99 trunc function before transforming floor into trunc.
1145 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1147 * builtins.c (fold_builtin_hypot): Rearrange recursive
1148 transformation before others, and also do ABS_EXPR. When
1149 necessary, check flag_unsafe_math_optimizations. When necessary,
1152 2006-10-29 Roger Sayle <roger@eyesopen.com>
1154 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1155 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1156 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1157 Fold -X eq/ne -Y as X eq/ne Y.
1159 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1161 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1162 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1163 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1164 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1165 Use an inclusive test for "mult" rather than "mul".
1166 (rotr<mode>3): Depend on ISA_HAS_ROR.
1167 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1169 (GENERATE_MULT3_DI): Delete.
1170 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1171 (ISA_HAS_MUL3): New macro.
1172 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1173 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1174 (ISA_HAS_CLZ_CLO): Likewise.
1175 (ISA_HAS_DCLZ_DCLO): Delete.
1176 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1177 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1178 the VR4120 and VR4130.
1179 (ISA_HAS_MACCHI): Use consistent formatting.
1180 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1181 (ISA_HAS_ROR): ...this new macro.
1182 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1183 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1184 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1186 2006-10-29 Roger Sayle <roger@eyesopen.com>
1188 PR tree-optimization/15458
1189 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1192 2006-10-29 Richard Guenther <rguenther@suse.de>
1194 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1195 (ix86_expand_truncdf_32): Likewise.
1196 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1197 trunc inline for SSE math and -fno-trapping-math and if not
1198 optimizing for size.
1199 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1200 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1201 for expanding btrunc inline for SSE math.
1203 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1205 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1206 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1207 i[34567]86-*-solaris2.1[0-9]*.
1208 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1209 Define conditionally depending on TARGET_64BIT_DEFAULT.
1210 (SPEC_32, SPEC_64): Define.
1211 (LINK_SPEC): Use them.
1212 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1214 2006-10-29 Richard Guenther <rguenther@suse.de>
1216 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1217 (ix86_expand_rounddf_32): Likewise.
1218 * config/i386/i386.c (ix86_expand_round): New function expanding
1219 round inline for SSE math and -fno-trapping-math and if not
1220 optimizing for size.
1221 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1222 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1223 round via ix86_expand_round.
1225 2006-10-29 Richard Guenther <rguenther@suse.de>
1227 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1228 (ix86_expand_floorceildf_32): Likewise.
1229 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1230 static helper function.
1231 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1233 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1234 * config/i386/i386.md (floordf2): Adjust to enable floor
1235 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1236 -fno-trapping-math is enabled and if not optimizing for size.
1237 (floorsf2, ceildf2, ceilsf2): Likewise.
1238 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1239 (sse2_maskcmpdf3): Likewise.
1241 2006-10-29 Richard Guenther <rguenther@suse.de>
1243 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1244 rint in case -fno-trapping-math is enabled.
1245 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1246 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1247 (ix86_expand_sse_fabs): Likewise.
1248 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1249 * config/i386/i386.md (rintdf2): Enable for SSE math if
1250 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1251 (rintsf2): Likewise.
1253 2006-10-29 Richard Guenther <rguenther@suse.de>
1255 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1256 to conversion optabs.
1257 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1258 as conversion optab.
1259 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1260 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1261 (lfloor_optab, lceil_optab): Adjust defines.
1262 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1263 lfloor and lceil optabs now being conversion optabs.
1264 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1265 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1266 New static helper function.
1267 (ix86_expand_lfloorceil): New function to expand lfloor and
1269 * config/i386/i386.md (lfloor<mode>2): Split into ...
1270 (lfloorxf<mode>2): ... x87 variant
1271 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1272 using ix86_expand_lfloorceil.
1273 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1275 * doc/md.texi (lfloorMN, lceilMN): Document.
1277 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1279 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1280 -mno-shared assembler option on mips targets.
1281 * configure, config.in: Regenerate.
1282 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1283 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1284 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1286 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1288 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1289 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1291 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1293 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1294 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1297 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1300 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1301 (fold_builtin_pow): Evaluate constant arguments at compile-time
1303 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1304 (do_mpfr_ckconv): New helper function.
1305 (do_mpfr_arg1): Use do_mpfr_ckconv.
1306 (do_mpfr_arg2): New.
1308 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1311 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1312 (-fdump-rtl-sched): Rename to ..
1313 (-fdump-rtl-sched1): here. Also fix file extension number.
1315 2006-10-28 Richard Guenther <rguenther@suse.de>
1317 * fold-const.c (maybe_canonicalize_comparison): Fix code
1320 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1322 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1323 (NON_QI_REG_P): Use IN_RANGE.
1324 (REX_INT_REGNO_P): Use IN_RANGE.
1325 (FP_REGNO_P): Use IN_RANGE.
1326 (SSE_REGNO_P): Use IN_RANGE.
1327 (REX_SSE_REGNO_P): Use IN_RANGE.
1328 (MMX_REGNO_P): Use IN_RANGE.
1329 (STACK_REGNO_P): New macro.
1330 (STACK_REG_P): Use STACK_REGNO_P.
1331 (NON_STACK_REG_P): Use STACK_REGNO_P.
1332 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1333 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1334 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1335 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1336 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1338 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1340 * except.h (output_function_exception_table): Add 'const char*' param.
1341 * except.c (switch_to_exception_section): Add 'const char*' param.
1342 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1343 and flag_function_sections is set, use a function-specific section.
1344 (output_function_exception_table): Add 'const char*' param.
1345 Adjust call to switch_to_exception_section.
1346 * final.c (rest_of_handle_final): Adjust calls to
1347 output_function_exception_table.
1348 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1349 * config.in: Regenerate.
1350 * configure: Likewise.
1352 2006-10-28 Richard Guenther <rguenther@suse.de>
1355 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1356 for maybe_canonicalize_comparison.
1357 (maybe_canonicalize_comparison): New function for canonicalizing
1359 (fold_comparison): Call it to canonicalize comparisons with
1362 2006-10-28 Richard Guenther <rguenther@suse.de>
1365 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1366 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1367 (expand_builtin): Adjust likewise.
1368 * genopinit.c (optabs[]): Add lround optab.
1369 * optabs.c (init_optabs): Initialize lround_optab.
1370 * optabs.h (enum convert_optab_index): Add COI_lround.
1371 (lround_optab): Define.
1372 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1373 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1375 (ix86_expand_lround): New function.
1376 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1378 * doc/md.texi (lroundMN2): Document.
1380 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1383 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1384 argument to HOST_WIDE_INT. Update function prototype.
1385 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1386 "size" argument to HOST_WIDE_INT. Update function prototype.
1388 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1390 * config/i386/i386.c (output_387_ffreep): Create output from a
1391 template string for !HAVE_AS_IX86_FFREEP.
1393 2006-10-27 Eric Christopher <echristo@apple.com>
1395 * config/darwin.c: Fix formatting and grammar.
1397 2006-10-27 Jan Hubicka <jh@suse.cz>
1399 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1400 to be thrown away soon when IGNORE is set.
1401 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1402 indicating when return value shall not be computed.
1403 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1405 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1407 * config/i386/i386.h (TARGET_GEODE):
1408 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1409 (TARGET_CPU_DEFAULT_geode): New macro.
1410 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1411 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1412 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1413 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1414 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1416 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1417 (processor_type): Add PROCESSOR_GEODE.
1419 * config/i386/i386.md: Include geode.md.
1422 * config/i386/i386.c (geode_cost): New initialized global
1424 (m_GEODE, m_K6_GEODE): New macros.
1425 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1426 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1427 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1428 x86_schedule): Use m_K6_GEODE instead of m_K6.
1429 (x86_movx, x86_cmove): Set up m_GEODE.
1430 (x86_integer_DFmode_moves): Clear m_GEODE.
1431 (processor_target_table): Add entry for geode.
1432 (processor_alias_table): Ditto.
1434 * config/i386/geode.md: New file.
1436 * doc/invoke.texi: Add entry about geode processor.
1438 2006-10-27 Mike Stump <mrs@apple.com>
1440 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1441 __DYNAMIC__ from here back to ...
1442 * config/darwin.h (CPP_SPEC): ... here.
1444 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1445 Nathan Sidwell <nathan@codesourcery.com>
1447 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1448 when choosing the minimum heapsize.
1450 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1452 * gcc/unwind-dw2.h: Move cfa-related variables into
1453 struct frame_state_reg_info to ensure that the CFA is properly
1454 handled when executing DW_CFA_{remember,restore}_state.
1455 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1456 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1457 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1458 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1459 gcc/config/rs6000/linux-unwind.h,
1460 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1461 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1462 Modify to use new cfa_* fields.
1464 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1466 * config/s390/s390.c (s390_init_frame_layout): Check positive
1469 2006-10-26 Ben Elliston <bje@au.ibm.com>
1471 * gimplify.c (get_name): Remove extraneous break.
1472 (gimplify_omp_for): Initialise ret with GS_OK.
1474 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1476 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1477 Add unix98.o to link line.
1479 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1482 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1483 Calculate compile-time constants using MPFR.
1484 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1485 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1487 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1489 * config/xtensa/lib2funcs.S: Use C-style comments.
1491 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1493 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1494 (file_table_relative_p): Likewise.
1495 (dwarf2out_finish): Likewise.
1496 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1498 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1500 * tree-ssa-structalias.c (intra_create_variable_infos):
1501 Don't recreate nonlocal_all if it already exists.
1503 2006-10-25 Richard Guenther <rguenther@suse.de>
1506 * optabs.h (enum optab_index): Remove OTI_lrint.
1507 (enum convert_optab_index): Add COI_lrint.
1508 (lrint_optab): Adjust.
1509 (expand_sfix_optab): Declare.
1510 * optabs.c (expand_sfix_optab): New function.
1511 (init_optabs): Init lrint_optab as conversion optab.
1512 * genopinit.c (lrint_optab): Change to a conversion optab.
1513 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1514 expansion via conversion optab.
1515 * config/i386/i386.md (*fistdi2_1): Remove
1516 flag_unsafe_math_optimizations guard.
1517 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1518 fist<mode>2_with_temp): Likewise.
1519 (lrint<mode>2): Split into...
1520 (lrintxf<mode>2): ... x87 part
1521 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1522 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1523 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1524 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1525 * doc/md.texi (lrintMN2): Document.
1527 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1530 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1531 Use inc and dec instructions for TARGET_USE_INCDEC.
1532 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1533 ("sync_double_compare_and_swap<mode>"): Likewise.
1534 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1535 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1536 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1537 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1538 ("sync_old_add<mode>"): Likewise.
1539 ("sync_lock_test_and_set<mode>"): Likewise.
1540 ("sync_lock_test_and_set<mode>"): Likewise.
1541 ("sync_add<mode>"): Likewise.
1542 ("sync_sub<mode>"): Likewise.
1543 ("sync_ior<mode>"): Likewise.
1544 ("sync_and<mode>"): Likewise.
1545 ("sync_xor<mode>"): Likewise.
1547 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1549 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1550 (remainder_optab): Define corresponding macro.
1551 (drem_optab): Remove.
1552 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1553 drem_optab initialization.
1554 * genopinit.c (optabs): Implement remainder_optab using
1555 remainder?f3 patterns. Remove drem_optab.
1556 * builtins.c (expand_builtin_mathfn_2): Handle
1557 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1558 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1559 expand_builtin_mathfn_2.
1561 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1562 depend on flag_unsafe_math_optimizations.
1564 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1565 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1566 Do not depend on flag_unsafe_math_optimizations. Use
1567 truncxf?f expander instead of truncxf?f_i387_noop.
1569 ("fpremxf4", "fprem1xf4"): Do not depend on
1570 flag_unsafe_math_optimizations.
1571 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1572 flag_unsafe_math_optimizations. Use truncxf?f expander
1573 instead of truncxf?f_i387_noop.
1575 * doc/md.texi (fmod, remainder): Document standard named pattern.
1577 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1578 David Daney <ddaney@avtrex.com>
1581 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1583 2006-10-25 Ben Elliston <bje@au.ibm.com>
1585 * doc/extend.texi (Variable Attributes): Typo fix.
1587 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1589 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1590 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1591 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1592 (FRAME_POINTER_REGNUM): Update register number to 21.
1593 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1594 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1596 * config/i386/i386.c (regclass_map): Add fpcr entry.
1597 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1599 (print_reg): Assert REGNO (x) != FPCR_REG.
1601 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1602 (DIRFLAG_REG): Renumber.
1603 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1604 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1605 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1606 hardcoded SSE register numbers.
1608 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1609 hardcoded MMX register numbers.
1611 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1614 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1615 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1617 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1618 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1619 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1620 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1622 2006-10-24 Richard Guenther <rguenther@suse.de>
1625 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1626 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1627 for deciding optimizations in consistency with fold-const.c
1628 (fold_builtin_unordered_cmp): Likewise.
1630 2006-10-24 Richard Guenther <rguenther@suse.de>
1632 * builtins.c (fold_builtin_floor): Fold floor (x) where
1633 x is nonnegative to trunc (x).
1634 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1635 nonnegative to FIX_TRUNC_EXPR.
1637 2006-10-24 Richard Guenther <rguenther@suse.de>
1639 PR tree-optimization/29567
1640 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1641 for TRUTH_NOT_EXPR. Clarify comments.
1643 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1646 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1647 at compile-time using MPFR. Change parameter VALUE to FUNC,
1649 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1650 for overflow and underflow at all times and avoid folding in
1653 2006-10-24 Ben Elliston <bje@au.ibm.com>
1655 * reload1.c: Formatting fixes.
1657 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1659 PR tree-optimization/14784
1660 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1661 * tree-ssa-structalias.c (get_constraint_for,
1662 intra_create_variable_infos): Set is_heapvar.
1663 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1664 non-heapvar pointer variables specially.
1666 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1669 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1670 fold_builtin_tan): Fold all constant arguments. Take a "type"
1671 argument as necessary.
1672 (do_mpfr_arg1): New.
1673 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1675 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1677 * config/xtensa/lib1funcs.asm: Use C-style comments.
1679 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1681 * tree.c (local_define_builtin): Replace calls to
1682 lang_hooks.builtin_function with add_builtin_function.
1683 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1685 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1687 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1688 common code to add_builtin_function.
1689 * langhooks.c (add_builtin_function): New function.
1690 (lhd_builtin_function): New function.
1691 * langhooks.h (struct lang_hooks): Change the signature of
1693 (add_builtin_function): New function.
1694 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1695 calls to lang_hooks.builtin_function with add_builtin_function.
1696 * c-common.c (decl_builtin_1): Replace calls to
1697 lang_hooks.builtin_function with add_builtin_function.
1698 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1699 lang_hooks.builtin_function with add_builtin_function.
1700 * config/frv/frv.c (def_builtin): Replace calls to
1701 lang_hooks.builtin_function with add_builtin_function.
1702 * config/s390/s390.c (s390_init_builtins): Replace calls to
1703 lang_hooks.builtin_function with add_builtin_function.
1704 * config/sparc/sparc.c (def_builtin): Replace calls to
1705 lang_hooks.builtin_function with add_builtin_function.
1706 * config/i386/i386.c (def_builtin): Replace calls to
1707 lang_hooks.builtin_function with add_builtin_function.
1708 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1709 lang_hooks.builtin_function with add_builtin_function.
1710 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1711 lang_hooks.builtin_function with add_builtin_function.
1712 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1713 Replace calls to lang_hooks.builtin_function with
1714 add_builtin_function.
1715 * config/iq2000/iq2000.c (def_builtin):
1716 Replace calls to lang_hooks.builtin_function with
1717 add_builtin_function.
1718 * config/ia64/ia64.c (def_builtin): Replace calls to
1719 lang_hooks.builtin_function with add_builtin_function.
1720 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1721 lang_hooks.builtin_function with add_builtin_function.
1722 (altivec_init_builtins): Replace calls to
1723 lang_hooks.builtin_function with add_builtin_function.
1724 * config/arm/arm.c (def_mbuiltin): Replace calls to
1725 lang_hooks.builtin_function with add_builtin_function.
1726 (arm_init_tls_builtins): Replace calls to
1727 lang_hooks.builtin_function with add_builtin_function.
1728 * config/mips/mips.c (mips_init_builtins): Replace calls to
1729 lang_hooks.builtin_function with add_builtin_function.
1730 * config/bfin/bfin.c (def_builtin): Replace calls to
1731 lang_hooks.builtin_function with add_builtin_function.
1732 * langhooks-def.h (lhd_builtin_function): New function.
1733 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1735 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1737 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1738 BUILT_IN_STRNCAT_CHK.
1740 2006-10-23 Jan Hubicka <jh@suse.cz>
1742 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1743 don't do conversion from memmove to memcpy here.
1744 (expand_builtin_bcopy, expand_builtin): Update call of
1745 expand_builtin_memmove.
1746 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1748 2006-10-23 Paul Brook <paul@codesourcery.com>
1750 * stor-layout.c (start_record_layout): maximum_field_alignment
1751 overrides STRUCTURE_SIZE_BOUNDARY.
1753 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1755 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1756 nonlocal function symbols if flag_pic.
1758 2006-10-23 Richard Guenther <rguenther@suse.de>
1762 * builtins.c (fold_binary): Remove checks for flag_wrapv
1763 and flag_trapv where negate_expr_p covers these cases.
1765 2006-10-23 Richard Guenther <rguenther@suse.de>
1768 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1769 of two on the absolute value.
1770 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1771 and negating -C does not overflow.
1773 2006-10-23 Richard Guenther <rguenther@suse.de>
1776 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1777 only if not flag_rounding_math.
1779 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1780 Kaz Kojima <kkojima@gcc.gnu.org>
1783 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1784 SImode memory reference for the source of a movua.
1785 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1786 (movua): Use an unspec instead of sign_extract. Expect the source
1787 to have mode BLKmode.
1788 (extv, insv): Use a BLKmode rather than SImode memory reference
1789 for the source of a movua.
1791 2006-10-22 Jeff Law <law@redhat.com>
1792 Richard Guenther <rguenther@suse.de>
1794 PR tree-optimization/15911
1795 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1796 (register_edge_assert_for_1): Likewise.
1797 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1798 (find_conditional_asserts): Adjust for new function signature.
1799 (find_assert_locations): Likewise.
1801 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1803 * config/i386/tmmintrin.h: Remove the duplicated content.
1805 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1807 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1808 (x86_64-*-*): Likewise.
1810 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1811 (override_options): Check SSSE3.
1812 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1813 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1814 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1815 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1816 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1817 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1818 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1819 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1820 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1821 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1822 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1823 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1824 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1825 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1826 IX86_BUILTIN_PABSD128.
1827 (bdesc_2arg): Add SSSE3.
1828 (bdesc_1arg): Likewise.
1829 (ix86_init_mmx_sse_builtins): Support SSSE3.
1830 (ix86_expand_builtin): Likewise.
1831 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1833 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1834 (UNSPEC_PSIGN): Likewise.
1835 (UNSPEC_PALIGNR): Likewise.
1836 Include mmx.md before sse.md.
1838 * config/i386/i386.opt: Add -mssse3.
1840 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1841 (ssse3_phaddwv4hi3): Likewise.
1842 (ssse3_phadddv4si3): Likewise.
1843 (ssse3_phadddv2si3): Likewise.
1844 (ssse3_phaddswv8hi3): Likewise.
1845 (ssse3_phaddswv4hi3): Likewise.
1846 (ssse3_phsubwv8hi3): Likewise.
1847 (ssse3_phsubwv4hi3): Likewise.
1848 (ssse3_phsubdv4si3): Likewise.
1849 (ssse3_phsubdv2si3): Likewise.
1850 (ssse3_phsubswv8hi3): Likewise.
1851 (ssse3_phsubswv4hi3): Likewise.
1852 (ssse3_pmaddubswv8hi3): Likewise.
1853 (ssse3_pmaddubswv4hi3): Likewise.
1854 (ssse3_pmulhrswv8hi3): Likewise.
1855 (ssse3_pmulhrswv4hi3): Likewise.
1856 (ssse3_pshufbv16qi3): Likewise.
1857 (ssse3_pshufbv8qi3): Likewise.
1858 (ssse3_psign<mode>3): Likewise.
1859 (ssse3_psign<mode>3): Likewise.
1860 (ssse3_palignrti): Likewise.
1861 (ssse3_palignrdi): Likewise.
1862 (abs<mode>2): Likewise.
1863 (abs<mode>2): Likewise.
1865 * config/i386/tmmintrin.h: New file.
1867 * doc/extend.texi: Document SSSE3 built-in functions.
1869 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1871 2006-10-22 Ira Rosen <irar@il.ibm.com>
1873 * tree-vect-transform.c (vectorizable_load): Use the type of the
1874 return value of the mask_for_load builtin to create realign_load
1877 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1879 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1882 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1884 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1885 (UNSPEC_LDDQU): This.
1886 * config/i386/sse.md (sse3_lddqu): Updated.
1888 2006-10-21 Richard Guenther <rguenther@suse.de>
1890 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1891 (expand_builtin): Use it to expand lrint instead of
1892 expand_builtin_mathfn.
1894 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1897 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1898 flag_unsafe_math_optimizations is set.
1900 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1903 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1904 patterns to use memory input operand in x87->mem->XMM
1905 reload sequences. Skip transformation for TARGET_K8.
1907 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1909 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1910 force operand1 to register if both operands are memory operands.
1911 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1912 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1913 if both operands are memory operands.
1914 (truncdfsf2): Do not force operand1 to register if both operands
1915 are memory operands.
1917 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1919 * Makefile.in (LIBS): Add $(GMPLIBS).
1920 * doc/install.texi: Update GMP and MPFR requirements.
1921 * doc/sourcebuild.texi (need_gmp): Delete.
1923 2006-10-21 Richard Guenther <rguenther@suse.de>
1925 PR tree-optimization/3511
1926 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1927 got new invariant arguments during PHI translation.
1929 2006-10-21 Richard Guenther <rguenther@suse.de>
1932 * fold-const.c (fold_comparison): Fold signed comparisons
1933 of the form X +- C1 CMP Y +- C2.
1935 2006-10-21 Richard Guenther <rguenther@suse.de>
1938 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1939 if flag_unsafe_math_optimizations is specified. We have
1940 flag_finite_math_only for that.
1941 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1942 or flag_unsafe_math_optimizations.
1944 2006-10-21 Richard Guenther <rguenther@suse.de>
1946 * builtins.c (fold_builtin_classify): Fix typo.
1948 2006-10-21 Richard Guenther <rguenther@suse.de>
1951 * simplify-rtx.c (simplify_const_relational_operation):
1952 Do not constant-fold ORDERED and UNORDERED for
1953 flag_unsafe_math_optimizations but only we do not need to
1954 honor NaNs for the given mode.
1956 2006-10-21 Richard Guenther <rguenther@suse.de>
1959 * config/i386/i386.c (classify_argument): Remove redundant
1960 walking of the BINFOs.
1961 (contains_128bit_aligned_vector_p): Likewise.
1963 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1965 * BASE-VER: Set to 4.3.0.
1967 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1969 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1970 (tree_decl_with_vis): Remove artificial_pta_var flag.
1971 * tree-flow.h (referenced_var_check_and_insert): Expose.
1972 (nonlocal_all): New prototype.
1973 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1974 (nonlocal_all): Make global.
1975 (nonlocal_lookup): Remove.
1976 (nonlocal_insert): Ditto.
1977 (create_nonlocal_var): Do not call nonlocal_insert.
1978 (get_nonlocal_id_for_type): Remove.
1979 (find_global_initializers): Mark new vars we find for renaming.
1980 (intra_create_variable_infos): Only create one nonlocal.
1981 (expand_nonlocal_solutions): Remove.
1982 (compute_points_to_sets): Don't call it.
1983 (ipa_pta_execute): Ditto.
1984 (init_alias_heapvars): Don't create nonlocal_for_type.
1985 (delete_alias_heapvars): Don't remove it.
1986 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1989 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1991 * doc/install.texi (Downloading GCC): Clarify mention of
1992 Fortran in the "full distribution" description.
1994 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1996 Fix PR tree-optimization/28778
1997 Fix PR tree-optimization/29156
1998 Fix PR tree-optimization/29415
1999 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2000 (tree_decl_with_vis): Add artificial_pta_var flag.
2001 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2002 pushed into callers.
2003 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2004 (nonlocal_all): Ditto.
2005 (struct variable_info): Add directly_dereferenced member.
2006 (var_escaped_vars): New variable.
2007 (escaped_vars_tree): Ditto.
2008 (escaped_vars_id): Ditto.
2009 (nonlocal_vars_id): Ditto.
2010 (new_var_info): Set directly_dereferenced.
2011 (graph_size): New variable
2012 (build_constraint_graph): Use graph_size.
2013 (solve_graph): Don't process constraints that cannot change the
2014 solution, don't try to propagate an empty solution to our
2016 (process_constraint): Set directly_dereferenced.
2017 (could_have_pointers): New function.
2018 (get_constraint_for_component_ref): Don't process STRING_CST.
2019 (nonlocal_lookup): New function.
2020 (nonlocal_insert): Ditto.
2021 (create_nonlocal_var): Ditto.
2022 (get_nonlocal_id_for_type): Ditto.
2023 (get_constraint_for): Allow results vector to be empty in the case
2024 of string constants.
2025 Handle results of calls properly.
2026 (update_alias_info): Update alias info stats on number and type of
2028 (find_func_aliases): Use could_have_pointers.
2029 (make_constraint_from_escaped): Renamed from
2030 make_constraint_to_anything, and changed to make constraints from
2032 (make_constraint_to_escaped): New function.
2033 (find_global_initializers): Ditto.
2034 (create_variable_info_for): Make constraint from escaped to any
2035 global variable, and from any global variable to the set of
2037 (intra_create_variable_infos): Deal with escaped instead of
2038 pointing to anything.
2039 (set_uids_in_ptset): Do type pruning on directly dereferenced
2041 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2042 (init_base_vars): Fix comment, and initialize escaped_vars.
2043 (need_to_solve): Removed.
2044 (find_escape_constraints): New function.
2045 (expand_nonlocal_solutions): Ditto.
2046 (compute_points_to_sets): Call find_escape_constraints and
2047 expand_nonlocal_solutions.
2048 (delete_points_to_sets): Don't fall off the end of the graph.
2049 (init_alias_heapvars): Initialize nonlocal_for_type and
2051 (delete_alias_heapvars): Free nonlocal_for_type and null out
2054 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2056 * fold-const.c (add_double): Rename to add_double_with_sign.
2057 Add 'unsigned_p' parameter and take it into account for the overflow.
2058 (mul_double): Rename to mul_double_with_sign.
2059 Add 'unsigned_p' parameter and take it into account for the overflow.
2060 (fold_div_compare): Call add_double_with_sign instead of add_double
2061 and mul_double_with_sign instead of mul_double, passing them the
2062 unsignedness of the type.
2063 * tree.h (add_double): Macroize.
2064 (add_double_with_sign): New prototype.
2065 (mul_double): Macroize.
2066 (mul_double_with_sign): New prototype.
2068 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2070 * config/score/crti.asm: New file.
2071 * config/score/crtn.asm: New file.
2072 * config/score/elf.h: New file.
2073 * config/score/mac.md: New file.
2074 * config/score/misc.md: New file.
2075 * config/score/mul-div.S: New file.
2076 * config/score/predicates.md: New file.
2077 * config/score/score7.md: New file.
2078 * config/score/score.c: New file.
2079 * config/score/score-conv.h: New file.
2080 * config/score/score.h: New file.
2081 * config/score/score.md: New file.
2082 * config/score/score-mdaux.c: New file.
2083 * config/score/score-mdaux.h: New file.
2084 * config/score/score-modes.def: New file.
2085 * config/score/score.opt: New file.
2086 * config/score/score-protos.h: New file.
2087 * config/score/score-version.h: New file.
2088 * config/score/t-score-elf: New file.
2089 * config.gcc: Add score*-*-* configurations(Update before).
2090 * doc/invoke.texi (Score Options): New section.
2091 * doc/md.texi (Score family): New section to document constraints.
2093 2006-10-19 Nick Clifton <nickc@redhat.com>
2095 * config/arm/arm.c: Fix spelling typo.
2097 2006-10-18 Tom Tromey <tromey@redhat.com>
2099 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2101 2006-10-18 Jan Hubicka <jh@suse.cz>
2104 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2107 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2109 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2110 TSI_SAME_STMT, since that's the desired entity.
2112 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2114 * config/s390/contraints.md: New file.
2115 * config/s390/s390-protos.h (s390_mem_constraint,
2116 s390_O_constraint_str, s390_N_constraint_str,
2117 s390_float_const_zero_p): Function prototypes added.
2118 * config/s390/s390.c (s390_extra_constraint_str,
2119 s390_const_double_ok_for_constraint_p,
2120 s390_const_ok_for_constraint_p): Functions removed.
2121 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2122 s390_float_const_zero_p): New functions.
2123 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2124 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2125 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2126 Macro definitions removed.
2127 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2128 s390_extra_constraint_str): Functions removed.
2130 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2131 Richard Sandiford <richard@codesourcery.com>
2134 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2135 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2137 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2139 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2140 (DWARF2_FRAME_REG_OUT): Likewise.
2141 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2142 (DWARF2_FRAME_REG_OUT): Likewise.
2144 2006-10-17 Paul Brook <paul@codesourcery.com>
2146 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2148 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2150 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2151 Standardize on "GNU Fortran" as the official name of the Fortran
2154 2006-10-16 Mike Stump <mrs@apple.com>
2156 * doc/invoke.texi (Darwin Options): Document -mkernel.
2157 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2159 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2160 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2161 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2162 (OS_MISSING_ALTIVEC): Add.
2163 * config/i386/i386.c (override_options): Add
2164 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2165 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2166 -mkernel, -static or -mdynamic-no-pic is given.
2167 (C_COMMON_OVERRIDE_OPTIONS): Add.
2168 * config/darwin.opt (fapple-kext): Add.
2170 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2171 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2173 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2174 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2175 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2176 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2177 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2178 (flag_mkernel): Add.
2179 (flag_apple_kext): Add.
2180 (TARGET_KEXTABI): Add.
2181 * config/darwin.c (darwin_handle_kext_attribute): Add.
2182 (DARWIN_VTABLE_P): Add.
2183 (darwin_binds_local_p): Add partial support for rebinding vtables
2185 (darwin_kextabi_p): Add.
2186 (darwin_override_options): Add.
2187 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2188 (darwin_kextabi_p): Add.
2189 (darwin_override_options): Add.
2190 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2191 __DYNAMIC__ and __STATIC__ here.
2193 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2195 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2196 Added mention of "make pdf" target, and Texinfo requirements for
2199 2006-10-16 DJ Delorie <dj@redhat.com>
2201 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2202 into the GOT in case we need a subreg of the address.
2204 2006-10-16 Richard Guenther <rguenther@suse.de>
2207 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2208 SSE builtin documentation. Document SSE2 builtins.
2210 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2212 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2213 symbol in the output file for non-shared links when -nostdlib or
2214 -nodefaultlibs isn't specified.
2216 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2217 posix thread support.
2219 2006-10-15 Jan Hubicka <jh@suse.cz>
2222 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2223 declared always_inline even when not inlining.
2225 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2226 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2227 Andrew Pinski <pinskia@gmail.com>
2230 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2232 2006-10-15 Jan Hubicka <jh@suse.cz>
2233 Richard Guenther <rguenther@suse.de>
2236 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2237 process_function_and_variable_attributes on all variables, including
2238 those discovered during cgraph construction phase.
2240 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2242 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2244 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2246 * config/i386/athlon.md (athlon_fist): Add fisttp.
2248 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2249 Ian Lance Taylor <ian@airs.com>
2252 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2253 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2256 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2258 * config/score/score.c, config/score/score.h: Fix comment
2261 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2264 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2267 2006-10-13 Eric Christopher <echristo@apple.com>
2269 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2271 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2274 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2275 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2276 alignment supported by 32-bit ELF.
2278 2006-10-13 Eric Christopher <echristo@apple.com>
2280 * config/darwin.c (darwin_emit_unwind_label): Strip
2281 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2283 2006-10-13 Richard Guenther <rguenther@suse.de>
2285 PR tree-optimization/29446
2286 * tree-vrp.c (fix_equivalence_set): Remove.
2287 (extract_range_from_assert): Do not call fix_equivalence_set.
2288 (debug_value_range): Print a newline.
2289 (compare_name_with_value): For equivalence sets with
2290 inconsistent value ranges conservatively bail out.
2291 (compare_names): Likewise.
2293 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2295 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2296 and MPFR for gfortran.
2298 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2300 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2301 alignment supported by 32-bit ELF.
2303 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2307 * c-typeck.c (digest_init): Always allow initializing vectors
2308 that have static storage duration with compound literals.
2309 * tree.c (build_type_attribute_qual_variant): New, based on
2310 build_type_attribute_variant.
2311 (build_type_attribute_variant): Rewrite using the former.
2312 (make_vector_type): Use build_type_attribute_qual_variant to build
2313 type variants. Use type_hash_canon on the others.
2315 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2316 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2318 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2320 2006-10-12 Jan Hubicka <jh@suse.cz>
2323 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2324 current_function_decl is set but current_function_scope is not.
2326 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2328 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2329 emit_insn to emit eh_return_internal instruction.
2330 (eh_return_internal): Explicitly set pc.
2332 2006-10-11 Richard Guenther <rguenther@suse.de>
2334 PR tree-optimization/28230
2335 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2336 to the correct place.
2338 2006-10-11 Richard Guenther <rguenther@suse.de>
2341 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2344 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2346 * configure.ac: Added pdf to "Make-hooks"
2347 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2348 targets and *.pdf file patterns in cleanup targets.
2349 * configure: Regenerated.
2351 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2353 * config/avr/predicates.md: New file.
2354 * config/avr/avr.md: Include it.
2355 (REG_SP): New constant.
2356 (peepholes): Use predicates.
2357 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2358 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2359 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2361 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2363 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2366 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2369 * builtins.c (var_decl_component_p): New function.
2370 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2371 single entry optimization to variables and components thereof.
2373 2006-10-10 Richard Guenther <rguenther@suse.de>
2375 PR rtl-optimization/29323
2376 * except.c (set_nothrow_function_flags): For functions
2377 that do not bind local bail out early.
2379 2006-10-10 Ben Elliston <bje@au.ibm.com>
2381 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2384 2006-10-09 Richard Henderson <rth@redhat.com>
2386 Revert emutls patch.
2388 2006-10-09 Richard Guenther <rguenther@suse.de>
2391 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2394 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2397 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2398 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2399 * configure: Regenerate.
2400 * config.in: Regenerate.
2402 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2404 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2406 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2408 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2409 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2410 Remove stray newline.
2412 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2414 * config/mips/mips.c (mips_classify_symbol): Do not return
2415 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2416 (mips_in_small_data_p): Tweak comments.
2418 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2420 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2422 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2424 * gimplify.c, sched-int.h: Fix comment typos.
2426 * sched-int.h: Fix comment typos.
2428 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2430 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2432 * sched-ebb.c (begin_schedule_ready): Use them.
2433 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2434 add_to_speculative_block, create_check_block_twin, speculate_insn,
2435 fix_jump_move, move_block_after_check): Ditto.
2436 * sched-rgn.c (new_ready): Ditto.
2438 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2440 PR rtl-optimization/29128
2441 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2442 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2443 allow interblock movement of speculation checks.
2445 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2448 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2449 casted to integer type.
2450 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2451 if they are significantly more expensive than [reg + index] ones.
2453 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2455 PR tree-optimization/29330
2456 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2457 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2458 on newly allocated ddrs.
2459 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2460 to VEC (loop_p, heap) pointer.
2461 (compute_data_dependences_for_loop): Adjust caller.
2462 (free_dependence_relations): Free DDR_LOOP_NEST.
2464 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2465 free DEPENDENCE_RELATIONS and DATAREFS.
2468 * builtins.c (expand_builtin_sync_operation,
2469 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2470 Use convert_to_mode to handle promoted arguments.
2472 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2474 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2476 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2478 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2480 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2482 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2483 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2484 Use <modeconstraint> instead of "r" as operand 1 constraint.
2486 2006-10-06 Olivier Hainque <hainque@adacore.com>
2488 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2489 Don't recurse on the pointed-to type.
2490 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2491 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2492 types with components of variable size.
2494 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2496 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2498 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2500 PR tree-optimization/29290
2501 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2505 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2506 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2509 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2510 the number of vector elements fill the rest with zeros.
2512 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2514 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2515 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2518 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2520 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2521 unnamed pattern into subsi3. Use correct constraints/predicates.
2522 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2523 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2525 2006-10-05 Ira Rosen <irar@il.ibm.com>
2527 * doc/loop.texi: Add data references analysis description.
2529 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2531 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2533 2006-10-04 Richard Henderson <rth@redhat.com>
2534 Jakub Jelinek <jakub@redhat.com>
2536 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2537 * builtin-types.def (BT_WORD): Make unsigned.
2538 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2539 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2540 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2541 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2542 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2543 * cgraph.c (decide_is_variable_needed): Look at force_output.
2544 Recurse for emulated tls.
2545 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2546 checks redundant with decide_is_variable_needed.
2547 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2548 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2550 * expr.c (emutls_var_address): New.
2551 (expand_expr_real_1): Expand emulated tls.
2552 (expand_expr_addr_expr_1): Likewise.
2553 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2554 * output.h (emutls_finish): Declare.
2555 * toplev.c (compile_file): Call it.
2556 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2557 address before wrapping in CONST.
2558 * varasm.c (emutls_htab, emutls_object_type): New.
2559 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2560 (get_emutls_object_name, get_emutls_object_type): New.
2561 (get_emutls_init_templ_addr, emutls_decl): New.
2562 (emutls_common_1, emutls_finish): New.
2563 (assemble_variable): When emulating tls, swap decls; generate
2564 constructor for the emutls objects.
2565 (do_assemble_alias): When emulating tls, swap decl and target name.
2566 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2568 * emutls.c: New file.
2569 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2570 tls_object for real tls.
2572 2006-10-04 Zack Weinberg <zackw@panix.com>
2574 Fix bug in constraint-check generator, reported by Rask Ingemann
2576 * genpreds.c (add_constraint): Don't remove anything from the
2578 (write_tm_constrs_h): Detect whether "op" argument is used, and
2579 mark it ARG_UNUSED if it isn't.
2580 (write_insn_const_int_ok_for_constraint): Skip the part of the
2581 expression that would test whether "op" (which is not available
2582 here) is a CONST_INT.
2584 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2587 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2589 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2591 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2592 current Leopard versions.
2593 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2595 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2597 * doc/install.texi: Fix typos.
2599 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2601 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2602 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2603 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2605 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2607 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2608 arg to be struct mach_header_64* instead.
2610 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2613 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2614 side effects after the outer expression's post side effects.
2616 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2618 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2619 comments to reflect actual behavior and relationship between
2620 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2622 * doc/c-tree.texi (Working with declarations): Fix documentation
2623 of FIELD_DECL likewise.
2625 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2628 * doc/extend.texi: Add used variable attribute description.
2630 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2633 * c.opt (Woverride-init): New.
2634 * c-opts.c (c_common_post_options): Default warn_override_init to
2636 * c-typeck.c (add_pending_init, output_init_element): Warn for
2637 overriding initializers without side effects.
2638 * doc/invoke.texi (-Woverride-init): Document.
2641 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2643 PR rtl-optimization/28096
2644 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2645 assignment has already been used as a destination earlier in the block.
2647 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2649 * builtins.c (expand_builtin_setjmp): Delete.
2650 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2651 <BUILT_IN_SETJMP_SETUP>: New case.
2652 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2653 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2654 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2655 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2656 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2657 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2658 (lower_function_body): Initialize it to false. If it is set to true
2659 at the end of the processing, emit the setjmp dispatcher.
2660 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2661 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2662 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2663 on the rhs of the assignment.
2664 (lower_builtin_setjmp): New function.
2665 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2666 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2667 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2668 to detect calls that can go to non-local labels. Use specific
2669 helper to create the abnormal edges associated with them.
2670 <MODIFY_EXPR>: Likewise.
2671 (make_abnormal_goto_edges): New function extracted from...
2672 (make_goto_expr_edges): ...here. Call it for computed gotos.
2673 (simple_goto_p): Minor tweak.
2674 (tree_can_make_abnormal_goto): New predicate.
2675 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2676 (tree_purge_dead_abnormal_call_edges): New function.
2677 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2678 (tree_purge_dead_abnormal_call_edges): Likewise.
2679 (make_abnormal_goto_edges): Likewise.
2680 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2681 Purge all dead abnormal edges if the call was in the last statement.
2682 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2683 (execute_fixup_cfg): If there are non-local labels in the function,
2684 scan the basic blocks and split them at calls that can go to non-local
2685 labels or add missing abnormal call edges. Write down the CFG in the
2687 (pass_fixup_cfg): Remove TODO_dump_func flag.
2688 * unwind-sjlj.c: Poison setjmp.
2689 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2690 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2691 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2692 (DONT_USE_BUILTIN_SETJMP): Document it.
2694 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2697 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2698 to 1 when __ppc64__ is defined.
2699 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2701 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2703 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2705 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2706 * config/ia64/unwind-hpux.c: Delete.
2708 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2710 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2711 on the element before gimplifying it, instead of punting if it is of
2714 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2716 * doc/loop.texi: New file.
2717 * doc/gccint.texi: Reference loop.texi.
2718 * Makefile.in (loop.texi): Add.
2720 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2722 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2724 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2725 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2727 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2729 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2731 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2733 * doc/install.texi: Document required versions of GMP and MPFR.
2735 2006-09-27 Paul Brook <paul@codesourcery.com>
2738 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2740 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2742 * reload1.c (alter_reg): Require the alignment of the stack slot to
2743 be at least reg_max_ref_width bytes.
2744 (scan_paradoxical_subregs): Record the largest width in
2747 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2751 * tree-nested.c (struct nesting_info): Added static_chain_added.
2752 (convert_call_expr): Set static_chain_added when adding static
2753 chain. Handle OMP_PARALLEL and OMP_SECTION.
2755 2006-09-25 Matthias Klose <doko@debian.org>
2757 * doc/invoke.texi: Add missing full stop.
2759 2006-09-25 Richard Henderson <rth@redhat.com>
2761 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2762 before cgraph_function_flags_ready.
2764 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2765 Adam Nemet <anemet@caviumnetworks.com>
2767 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2768 determine_common_wider_type): New functions.
2769 (get_computation_aff): Use them to simplify arithmetic between
2770 UBASE and CBASE if they are shortened from the same type.
2772 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2775 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2776 -2147483647 - 1 instead of 0x80000000.
2778 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2780 * flags.h (HONOR_NANS): Fix typo in comment.
2782 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2784 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2786 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2790 * tree.c (merge_attributes, attribute_list_contained): If both
2791 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2793 * c-typeck.c (comptypes_internal): Don't consider aggregates
2794 in different TUs as compatible if there one set of attributes is
2795 not a subset of the other type's attributes.
2796 (composite_type): Try harder not to create a new aggregate type.
2798 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2800 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2801 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2802 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2803 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2804 than replicating condition above.
2805 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2807 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2808 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2809 the linker by default.
2811 2006-09-22 Mike Stump <mrs@apple.com>
2813 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2816 2006-09-22 Richard Guenther <rguenther@suse.de>
2819 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2820 sort of stack variables stable.
2822 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2825 * explow.c (force_reg): Set REG_POINTER flag according to
2828 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2830 PR tree-optimization/28888
2831 * tree-if-conv.c (combine_blocks): Rewritten.
2832 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2833 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2835 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2837 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2840 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2842 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2844 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2846 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2848 2006-09-21 Roger Sayle <roger@eyesopen.com>
2851 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2852 dw_fde_current_label, to be the start of the function, i.e. the same
2853 value as dw_fde_begin.
2855 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2857 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2858 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2859 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2860 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2861 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2862 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2863 (abs<mode>2, neg<mode>2): Likewise.
2864 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2865 (*mips_abs_ps): New define_insn.
2867 2006-09-20 Josh Conner <jconner@apple.com>
2870 * calls.c (expand_call): Allow reuse of structure return stack
2873 2006-09-20 Paul Brook <paul@codesourcery.com>
2875 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2878 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2880 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2881 clean up terminology.
2883 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2886 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2887 with tablejumps in them.
2889 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2892 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2893 wrap it into TARGET_EXPR.
2895 2006-09-20 Eric Christopher <echristo@apple.com>
2897 * config/i386/i386.c (x86_fisttp): Remove.
2898 * config/i386/i386.h (x86_fisttp): Ditto.
2899 (TARGET_FISTTP): Ditto.
2901 2006-09-19 Eric Christopher <echristo@apple.com>
2903 * doc/tm.texi (OBJC_JBLEN): Describe.
2904 * config/i386/darwin.h (OBJC_JBLEN): Define.
2905 * config/rs6000/darwin.h: Ditto.
2907 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2909 PR rtl-optimization/21299
2910 * reload1.c (reload): Purge invalid ASMs in the final pass.
2912 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2915 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2916 pointers as legitimate constants.
2918 2006-09-19 Paul Brook <paul@codesourcery.com>
2921 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2923 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2925 PR tree-optimization/28887
2926 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2927 component parts from the reference.
2928 (gather_memory_references_ref): Record the reference without the
2929 nonaddressable component parts.
2931 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2934 * c-opts.c (c_common_handle_option): Ignore the -std options
2935 if the input language is assembly.
2937 2006-09-17 Ira Rosen <irar@il.ibm.com>
2940 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2942 (ptr_ptr_may_alias_p): Likewise.
2943 (record_record_differ_p): New function.
2944 (base_object_differ_p): Call record_record_differ_p.
2946 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2949 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2950 away for the expr argument.
2952 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2955 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2956 before using it for dumping after vectorizing loops.
2958 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2959 Jack Howarth <howarth@bromo.med.uc.edu>
2962 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2963 skip on error_mark_node.
2964 (rs6000_darwin64_record_arg_recurse): Likewise.
2966 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2968 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2969 * doc/rtl.texi: Remove related documentation.
2971 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2973 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2976 2006-09-15 Jim Wilson <wilson@specifix.com>
2978 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2979 Handle symbol offsets same as they are handled in ia64_expand_move
2982 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2984 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2985 Add forgotten parameter to the fprintf call.
2987 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2989 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2991 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2993 * doc/contrib.texi: Add my entry.
2995 2006-09-15 Nick Clifton <nickc@redhat.com>
2997 * doc/md.texi (Processor pipeline description): Fix typo in
2998 example of how to use the absence_set directive and reword the
2999 description to make it slightly easier to read.
3001 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3003 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3004 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3005 expanding the number of iterations.
3006 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3008 * cfgrtl.c (emit_insn_at_entry): New function.
3009 * rtl.h (emit_insn_at_entry): Declare it.
3010 * integrate.c (emit_initial_value_sets): Use it.
3012 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3014 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3016 (struct loop_work and related VEC declarations): Delete.
3017 (bfin_dump_loops): Print out new member bad.
3018 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3019 (bfin_scan_loop): Don't recurse.
3020 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3021 loops. No longer need to update outer loops if the current one is
3022 found bad. Move some validitiy checks to bfin_discover_loop.
3023 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3024 but changed not to check for nesting. Also changed to use the new bad
3026 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3027 time. Use bitmap based test to discover loop nesting.
3029 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3031 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3034 2006-09-14 Richard Guenther <rguenther@suse.de>
3035 Kazu Hirata <kazu@codesourcery.com>
3037 PR middle-end/28884.
3038 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3039 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3040 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3041 with TARGET_FUNCTION_VALUE.
3043 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3046 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3048 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3050 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3053 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3056 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3059 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3061 * basic_block.h (bb_has_eh_pred): Fix comment.
3063 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3065 * flow.c (calculate_global_regs_live): Invalidate eh registers
3066 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3067 (propagate_block): Handle eh registers as if they were set at basic
3069 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3071 * global.c (global_conflicts): Make eh registers to conflict with
3072 pseudos live at basic block begin.
3073 * basic_block.h (bb_has_eh_pred): New function.
3075 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3077 PR rtl-optimization/28982
3078 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3079 index of a PRE_MODIFY or POST_MODIFY address.
3080 * reload1.c (inc_for_reload): Use find_replacement on the original
3081 base and index registers.
3083 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3085 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3086 for -Os. Update __m128 alignment requirement.
3088 2006-09-13 Jan Hubicka <jh@suse.cz>
3090 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3092 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3094 PR rtl-optimization/28243
3095 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3096 the insn to which the note was originally attached.
3098 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3099 Roger Sayle <roger@eyesopen.com>
3101 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3102 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3103 on platforms that don't use dwarf for debug info.
3105 2006-09-12 Jason Merrill <jason@redhat.com>
3108 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3109 hard_frame_pointer_rtx after using it to update the frame pointer.
3111 2006-09-12 Roger Sayle <roger@eyesopen.com>
3113 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3114 (TARGET_ASM_CLOSE_PAREN): Likewise.
3115 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3116 (TARGET_ASM_CLOSE_PAREN): Likewise.
3118 2006-09-12 Roger Sayle <roger@eyesopen.com>
3121 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3122 frame information for frames larger than 512 Kbytes on Tru64 when
3123 using the native assembler.
3125 2006-09-12 Roger Sayle <roger@eyesopen.com>
3129 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3130 and symbols. Instead use the implementation from cse.c's hash_rtx.
3132 2006-09-12 Jan Hubicka <jh@suse.cz>
3134 PR rtl-optimization/28071
3135 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3136 (vect_transform_loop): Likewise.
3137 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3138 (new_loop_vec_info): Likewise.
3139 (destroy_loop_vec_info): Likewise.
3140 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3141 (create_stmt_ann): Likewise.
3142 (create_tree_ann): Rename to ...
3143 (create_tree_common_ann): ... this one; allocate only the common part
3145 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3146 (get_value_handle): Likewise.
3147 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3148 get_tree_common_ann.
3149 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3150 (vinfo_for_stmt): Use stmt annotations.
3151 * tree-flow.h (tree_ann_common_t): New type.
3152 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3153 (tree_ann, get_tree_ann, create_tree_ann): New.
3154 * tree-flow-inline.h (get_function_ann): Do more type checking.
3155 (stmt_ann): Likewise.
3156 (tree_ann): Rename to ...
3157 (tree_common_ann): ... this one; return ony common_ann
3158 (get_tree_ann): Rename to ...
3159 (tree_common_ann): This one; return only common_ann.
3160 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3163 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3165 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3166 with_cpu by default.
3168 * dwarf2out.c (dwarf_file_data): New.
3169 (enum dw_val_class): Add dw_val_class_file.
3170 (struct dw_val_struct): Add val_file.
3171 (file_table): Change to a hash table.
3172 (file_table_emitted): Delete.
3173 (file_table_last_lookup_index): Delete.
3174 (emitcount): Delete.
3175 (last_emitted_file): New.
3176 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3177 (init_file_table): Delete.
3178 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3179 (AT_addr): Add comment.
3183 (print_die): Handle dw_val_class_file.
3184 (print_dwarf_line_table): Update for new file table structure.
3185 (attr_checksum): Do checksum a filename.
3186 (same_dw_val_p, same_attr_p): Do compare a filename.
3187 (size_of_die): Handle dw_val_class_file.
3188 (value_format): Likewise.
3189 (output_die): Likewise. Also, call maybe_emit_file here.
3190 (struct file_info): Constify filenames. Make file_idx a pointer
3191 to a struct dwarf_file_data.
3192 (struct dir_info): Constify directory names. Remove 'used' field.
3193 (struct file_name_acquire_data): New.
3194 (file_name_acquire): New.
3195 (output_file_names): Modify to handle new file data structures.
3196 (add_src_coords_attributes): Use add_AT_file.
3197 (add_call_src_coords_attributes): Likewise.
3198 (dwarf2out_imported_module_or_decl): Likewise.
3199 (gen_subprogram_die): Modify for new file data structures.
3200 (gen_variable_die): Likewise.
3201 (file_table_eq): New.
3202 (file_table_hash): New.
3203 (file_table_last_lookup): New.
3204 (lookup_filename): Rewrite to handle new file data structures.
3205 (maybe_emit_file): Rewrite to handle new file data structures.
3206 (dwarf2out_source_line): Always call lookup_filename and
3208 (dwarf2out_init): Create file_table here.
3209 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3210 (file_table_relative_p): New.
3211 (dwarf2out_finish): Change detection of relative filenames
3212 to work with new file data structures. Move output_line_info call
3213 after debug_info output.
3215 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3220 * config/i386/i386.c (override_options): Always default to 16
3221 byte stack boundary.
3223 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3226 * var-tracking.c (dump_dataflow_set): Start dumping at
3228 (clobber_variable_part): Kill only the variable part in
3229 registers holding it, leaving other variables alone.
3231 2006-09-11 Josh Triplett <josh@freedesktop.org>
3233 * doc/extend.texi (Other Builtins): Actually use the macro
3234 argument in the documentation example for
3235 __builtin_types_compatible_p.
3237 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3239 PR rtl-optimization/28726
3240 * sched-deps.c (sched_analyze_reg): New function extracted from...
3241 (sched_analyze_1): ...here. Call it to analyze references to
3242 registers. Treat again writes to a stack register as writing to the
3244 (sched_analyze_2): ...and here. Call it to analyze references to
3245 registers. Treat again reads of a stack register as reading the
3248 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3249 David Edelsohn <edelsohn@gnu.org>
3252 * config/rs6000/spe.md (frob_df_di): Remove %H.
3253 (frob_di_df): Remove %H. Change evmergelo to mr.
3254 (frob_di_df_2): Remove %H. Change evldd to two loads.
3256 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3258 * doc/cpp.texi: Fix names of charset options.
3260 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3263 * config/i386/i386.c (override_options): Use 128-bit
3264 stack boundary always for 64bits.
3266 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3268 PR rtl-optimization/28636
3269 * combine.c (force_to_mode): Test for side-effects before
3270 substituting by zero.
3271 (simplify_shift_const): Likewise for zero or other constants.
3273 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3276 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3279 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3282 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3283 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3284 returned by mode_for_size, rather than the mode of src itself,
3285 to choose between 32-bit and 64-bit patterns.
3286 (mips_mem_fits_mode_p): New function.
3287 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3288 that the size of the source matches the size of the destination.
3289 (mov_<store>l, mov_<store>r): Likewise.
3291 2006-09-10 Eric Christopher <echristo@apple.com>
3293 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3296 2006-09-09 Eric Christopher <echristo@apple.com>
3299 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3302 2006-09-09 Roger Sayle <roger@eyesopen.com>
3303 Nicolas Setton <setton@adacore.com>
3305 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3307 2006-09-10 Andreas Schwab <schwab@suse.de>
3309 * config/m68k/m68k.md (bungt_rev): New pattern.
3311 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3312 Dale Johannesen <dalej@apple.com>
3315 * regclass.c (struct reg_pref): Update documentation.
3316 (regclass): Set prefclass to NO_REGS if memory is the best option.
3317 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3319 2006-09-08 Eric Christopher <echristo@apple.com>
3321 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3322 * config/t-slibgcc-darwin: Support x86_64 multilib.
3323 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3324 Return 1 for x86_64-darwin.
3325 * config/i386/t-darwin: Add m64 multilib.
3326 (LIB2_SIDITI_CONV_FUNCS): Use.
3327 (LIB2FUNCS_EXTRA): Ditto.
3328 * config/i386/darwin.h: Support x86_64.
3329 * config/i386/i386.c (override_options): Turn on flag_pic
3330 for x86_64-darwin. Disable flag_omit_pointer.
3331 (get_pc_thunk_name): Assert !TARGET_64BIT.
3332 (legitimate_address_p): Disable machopic addressing for
3334 (legitimize_pic_address): Ditto.
3335 (ix86_expand_move): Ditto.
3336 (ix86_expand_call): Ditto.
3337 (machopic_output_stub): Ditto.
3338 * config/darwin.c (machopic_select_section): Support literal16.
3339 (machopic_select_rtx_section): Ditto.
3340 * config/darwin-sections.def: Ditto.
3341 * config/darwin-64.c: New.
3343 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3346 * c-tree.h (struct c_arg_info): Add pending_sizes.
3347 * c-parser.c (c_parser_parms_declarator,
3348 c_parser_parms_list_declarator): Initialize pending_sizes.
3349 * c-decl.c (get_parm_info): Initialize pending_sizes.
3350 (get_parm_info): Set pending_sizes.
3351 (grokdeclarator): Call put_pending_sizes for parameters for
3352 function definition only.
3354 2006-09-07 Jason Merrill <jason@redhat.com>
3357 * varasm.c (output_constant): Only strip actual no-op conversions.
3360 * config/i386/i386.c (override_options): Use 128-bit
3361 stack boundary if -msse.
3363 2006-09-07 Eric Christopher <echristo@apple.com>
3365 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3367 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3370 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3372 * dwarf2out.c: Remove strange characters from comment above
3373 dwarf2out_frame_debug_expr.
3375 2006-09-07 Eric Christopher <echristo@apple.com>
3377 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3378 * config/darwin.h: ... to here.
3380 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3382 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3384 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3385 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3387 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3388 TARGET_PARTIAL_FLAG_REG_STALL.
3389 (*ashldi3_cconly_rex64): Likewise.
3390 (*ashlsi3_cmp): Likewise.
3391 (*ashlsi3_cconly): Likewise.
3392 (*ashlsi3_cmp_zext): Likewise.
3393 (*ashlhi3_cmp): Likewise.
3394 (*ashlhi3_cconly): Likewise.
3395 (*ashlqi3_cmp): Likewise.
3396 (*ashlqi3_cconly): Likewise.
3397 (*ashrdi3_cmp_rex64): Likewise.
3398 (*ashrdi3_cconly_rex64): Likewise.
3399 (*ashrsi3_cmp): Likewise.
3400 (*ashrsi3_cconly): Likewise.
3401 (*ashrsi3_cmp_zext): Likewise.
3402 (*ashrhi3_cmp): Likewise.
3403 (*ashrhi3_cconly): Likewise.
3404 (*ashrqi3_cmp): Likewise.
3405 (*ashrqi3_cconly): Likewise.
3406 (*lshrdi3_cmp_rex64): Likewise.
3407 (*lshrdi3_cconly_rex64): Likewise.
3408 (*lshrsi3_cmp): Likewise.
3409 (*lshrsi3_cconly): Likewise.
3410 (*lshrsi3_cmp_zext): Likewise.
3411 (*lshrhi3_cmp): Likewise.
3412 (*lshrhi3_cconly): Likewise.
3413 (*lshrqi2_cmp): Likewise.
3414 (*lshrqi2_cconly): Likewise.
3416 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3419 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3420 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3421 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3422 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3423 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3424 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3425 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3426 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3427 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3428 implement only CC setting effects of shift instructions.
3430 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3432 * doc/contrib.texi: Add myself.
3434 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3437 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3438 was set by the user.
3440 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3443 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3444 (divsi_inv_m1): Use them.
3445 (UNSPEC_DIV_INV_TABLE): New constant.
3447 2006-09-06 James E Wilson <wilson@specifix.com>
3450 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3451 then call count_or_remove_death_notes.
3453 2006-09-06 Jason Merrill <jason@redhat.com>
3456 * tree-inline.c (copy_result_decl_to_var): New fn.
3457 (declare_return_variable): Use it. Call declare_inline_vars here.
3458 (expand_call_inline): Not here.
3460 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3462 * doc/contrib.texi: Update my entry.
3464 2006-09-06 Nick Clifton <nickc@redhat.com>
3466 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3468 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3471 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3472 (canonicalize_induction_variables): Likewise.
3473 (tree_unroll_loops_completely): Likewise.
3474 (tree_ssa_prefetch_arrays): Likewise.
3475 (remove_empty_loops): Likewise.
3476 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3477 TODO_cleanup_cfg instead of directly calling
3478 cleanup_tree_cfg_loop.
3479 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3481 (tree_unroll_loops_completely): Likewise.
3482 (remove_empty_loops): Likewise.
3483 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3484 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3485 of tree_ssa_unswitch_loops.
3486 (tree_ssa_loop_ivcanon): Use the return value of
3487 canonicalize_induction_variables.
3488 (tree_ssa_empty_loop): Use the return value of
3490 (tree_complete_unroll): Use the return value of
3491 tree_unroll_loops_completely.
3492 (tree_ssa_loop_prefetch): Use the return value of
3493 tree_ssa_prefetch_arrays.
3494 * passes.c (execute_todo): Before Cleanup CFG, set
3495 updating_used_alone and after cleanup CFG, call
3496 recalculate_used_alone.
3498 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3501 * tree-vect-transform.c (vectorizable_condition): Move the check
3502 for the type after the check for simple condition.
3504 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3505 Kaz Kojima <kkojima@gcc.gnu.org>
3508 * mode-switching.c (optimize_mode_switching): Make the destination
3509 block of an abnormal edge have no anticipatable mode. Don't
3510 insert mode switching code at the end of the source block of
3513 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3515 PR rtl-optimization/26847
3516 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3517 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3518 (simplify_plus_minus): Count n_constants while filling ops. Replace
3519 qsort with insertion sort. Before going through the array to simplify
3520 pairs, sort it. Delay early exit until after the first sort, exiting
3521 only if no swaps occurred. Simplify pairs in reversed order, without
3522 special-casing the first iteration. Pack ops after simplifying pairs.
3524 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3526 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3527 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3528 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3529 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3531 2006-09-05 Richard Guenther <rguenther@suse.de>
3533 PR tree-optimization/28900
3534 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3535 compound conditional before creating COND_EXPR condition.
3537 2006-09-05 Richard Guenther <rguenther@suse.de>
3539 PR tree-optimization/28905
3540 * tree-vrp.c (fix_equivalence_set): Manually implement
3541 !value_ranges_intersect_p to also handle symbolic ranges.
3543 2006-09-05 Richard Guenther <rguenther@suse.de>
3546 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3549 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3551 PR rtl-optimization/27616
3552 * cse.c (table_size): New static variable.
3553 (new_basic_block): Initialize it to 0.
3554 (remove_from_table): Decrement it.
3555 (insert): Increment it.
3556 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3557 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3558 fold_rtx_mem_1 if under the cap.
3559 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3560 the lookup of the equivalent expression and test for equality of the
3561 first operand of the equivalent expression before in turn looking up
3562 an equivalent constant for the second operand.
3564 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3567 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3568 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3569 pointer, instead of assuming it is possible to derive the
3570 correct args size from a call insn.
3572 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3575 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3576 (fold_builtin_mempcpy): Rename to...
3577 (fold_builtin_memory_op): ... this. Optimize one element copy
3579 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3581 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3582 (expand_builtin_memcpy, expand_builtin_mempcpy,
3583 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3584 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3585 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3586 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3588 2006-09-01 DJ Delorie <dj@redhat.com>
3590 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3591 (stzx_16): Likewise.
3592 ("stzx_24_<mode>"): Likewise.
3593 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3594 ("cmp<mode>_op"): New.
3595 (cmp<mode>): Change to expander; just save operands.
3597 (b<code>): Change to expander, emit compare here.
3598 (s<code>_op): Change to use split and expander.
3599 (s<code>_24_op): Likewise.
3600 (s<code>_<mode>): New.
3601 (s<code>_<mode>_24): New.
3602 (movqicc_<code>_<mode): New.
3603 (movhicc_<code>_<mode>): New.
3606 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3607 (m32c_pend_compare): New.
3608 (m32c_unpend_compare): New.
3609 (m32c_expand_scc): New.
3610 (m32c_expand_movcc): Emit the compare also.
3611 * config/m32c/predicates.md (mra_nopp_operand): New.
3613 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3614 Richard Guenther <rguenther@suse.de>
3615 Adam Nemet <anemet@caviumnetworks.com>
3618 * builtins.c (get_pointer_alignment): Handle more forms
3619 of base addresses that can be used to derive more precise
3620 information about alignment.
3622 2006-09-01 Jason Merrill <jason@redhat.com>
3625 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3628 * gimplify.c (voidify_wrapper_expr): Handle null type.
3630 2006-09-01 Josh Conner <jconner@apple.com>
3633 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3634 (execute_return_slot_opt): Use it.
3636 2006-08-31 Josh Conner <jconner@apple.com>
3639 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3640 returning aggregates.
3642 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3644 PR tree-optimization/28839
3645 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3646 blocks in that phi arguments appear.
3648 2006-08-31 Roger Sayle <roger@eyesopen.com>
3651 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3652 NULL, otherwise use an advance_loc4 to adjust relative to the
3654 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3655 (dwarf2out_switch_text_section): Reset the current label to avoid
3656 using advance_loc4 over section boundaries.
3658 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3661 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3662 r12 + SYMBOLIC_CONST.
3664 2006-08-30 Richard Guenther <rguenther@suse.de>
3666 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3668 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3670 PR rtl-optimization/27735
3671 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3672 Add new argument to keep track of whether an irreducible region
3673 was affected. All callers changed.
3674 (fix_irreducible_loops): Removed.
3675 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3676 flags were invalidated.
3678 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3680 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3681 instead of SF operands.
3682 (*fop_df_comm_sse): Likewise.
3683 (*fop_df_comm_i387): Likewise.
3684 (*fop_df_1_mixed): Likewise.
3685 (*fop_df_1_sse): Likewise.
3687 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3688 J"orn Rennecke <joern.rennecke@st.com>
3690 PR tree-optimization/17506
3691 * tree-ssa.c (warn_uninit): If warning about a location outside of
3692 the current function, note where the variable was declared.
3694 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3696 PR tree-optimization/28411
3697 * double-int.c (double_int_div): Use double_int_divmod.
3698 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3699 double_int_mod, double_int_smod, double_int_umod): New functions.
3700 * double-int.h (double_int_divmod, double_int_sdivmod,
3701 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3703 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3705 (get_computation_aff, get_computation_cost_at): Handle double_int
3706 return type of constant_multiple_of.
3708 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3711 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3712 an implicit conversion.
3714 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3716 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3718 2006-08-27 Roger Sayle <roger@eyesopen.com>
3720 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3723 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3725 * config/i386/crtfastmath.c: Fix a comment typo.
3727 2006-08-26 Roger Sayle <roger@eyesopen.com>
3729 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3730 temporary visit flags on CASE_LABEL_EXPRs.
3731 * c-common.c (match_case_to_enum): Add function comment. Avoid
3732 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3733 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3734 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3735 a constant, only warn if that constant value isn't handled.
3737 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3740 * input.h (restore_input_file_stack): Declare.
3741 (INPUT_FILE_STACK_BITS): Define.
3742 * toplev.c (fs_p, input_file_stack_history,
3743 input_file_stack_restored, restore_input_file_stack): New.
3744 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3745 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3746 (pop_srcloc): Don't free old state of stack.
3748 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3751 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3752 (PowerPC Type Attributes): New.
3754 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3756 * config/xtensa/xtensa.c (function_arg_boundary): New.
3757 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3759 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3760 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3762 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3765 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3768 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3770 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3771 (verify_local_live_at_start): Likewise.
3773 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3776 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3777 omp_add_variable): Treat sizes as variable whenever not
3780 2006-08-26 Richard Guenther <rguenther@suse.de>
3783 * fold-const.c (fold_binary): Fold temporary to correct
3784 type before constructing new comparison.
3786 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3789 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3790 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3792 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3795 * c-decl.c (start_function): Don't try to process prototype
3796 information from old declaration that isn't a function.
3798 2006-08-25 Jan Hubicka <jh@suse.cz>
3801 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3803 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3806 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3809 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3811 PR tree-optimization/16876
3812 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3813 exit if PARM doesn't match VALUE.
3815 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3817 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3818 literal_prefix directive.
3819 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3820 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3821 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3823 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3826 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3827 predicate to general_operand. Add 0->y and I->r alternatives.
3829 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3831 * doc/tm.texi: Fix a typo.
3832 * predict.c: Fix comment typos.
3834 2006-08-25 Nick Clifton <nickc@redhat.com>
3836 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3837 assertions of "cpu" and "machine".
3839 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3842 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3843 the access through a base which has an alias set of 0 cannot
3846 2006-08-24 Bill Wendling <wendling@apple.com>
3848 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3850 2006-08-24 Jan Hubicka <jh@suse.cz>
3852 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3854 2006-08-24 Jan Hubicka <jh@suse.cz>
3857 * cgraph.c: Fix comments.
3858 (cgraph_varpool_mark_needed_node): Mark only variables not already
3860 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3861 (cgraph_varpool_assembled_nodes_queue): New static variable.
3862 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3863 (cgraph_varpool_output_debug_info): New function.
3864 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3865 * Makefile.in: Add gt-cgraphunit.h
3867 2006-08-24 Jan Hubicka <jh@suse.cz>
3869 * predict.c (probability_reliable_p): New predicate.
3870 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3871 (predict_loops): Do not predict loop exit with less than 2%
3873 * basic-block.h (edge_probability_reliable_p,
3874 br_prob_note_reliable_p): Declare.
3875 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3876 prediction when static predictor is not reliable.
3877 * rs6000.c (output_cbranch): Likewise.
3879 2006-08-23 Stuart Hastings <stuart@apple.com>
3882 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3883 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3885 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3888 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3889 complex values, nor for generic vector values.
3891 2006-08-22 Richard Guenther <rguenther@suse.de>
3894 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3895 parameter. Convert arguments to arithmetic expression to the
3897 (analyze_scalar_evolution_1): Adjust caller.
3899 2006-08-22 Jan Hubicka <jh@suse.cz>
3901 Patch by Paolo Bonzini
3902 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3905 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3907 PR tree-optimization/28003
3908 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3909 before grouping aliases.
3911 2006-08-22 Roger Sayle <roger@eyesopen.com>
3913 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3914 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3916 2006-08-21 Jason Merrill <jason@redhat.com>
3919 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3920 wrapper. Loop to handle nested wrappers.
3921 (gimplify_bind_expr): Remove temp parameter.
3922 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3923 and STATEMENT_LIST on the rhs.
3924 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3925 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3926 (gimplify_target_expr): Remove special BIND_EXPR handling.
3928 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3930 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3933 2006-08-21 Olivier Hainque <hainque@adacore.com>
3935 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3936 Arrange for the temporary captures of components overlapping the lhs
3937 to happen before the lhs is possibly cleared.
3939 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3941 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3942 necessary places to pass the correct "number of registers" values
3945 2006-08-20 Jan Hubicka <jh@suse.cz>
3947 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3948 (create_name_tags): Instead of quadratic checking use hashtable.
3949 * bitmap.h: Include hashtab.h.
3950 (bitmap_hash): Declare.
3951 * bitmap.c (bitmap_hash): New function.
3953 2006-08-20 Jan Hubicka <jh@suse.cz>
3955 PR rtl-optimization/28071
3956 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3958 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3959 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3960 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3961 cgraph_decide_inlining_incrementally): Update use of
3962 cgraph_check_inline_limits.
3963 * cgraph.c (edge_hash, edge_eq): New function.
3964 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3965 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3966 cgraph_remove_node): Maintain call site hash.
3967 * cgraph.h (struct cgraph_node): Add call_site_hash.
3968 (cgraph_set_call_stmt): New function.
3970 2006-08-20 Jan Hubicka <jh@suse.cz>
3972 PR rtl-optimization/28071
3973 * reload1.c (reg_has_output_reload): Turn into regset.
3974 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3975 choose_reload_regs, emit_reload_insns): Update to new
3976 reg_has_output_reload.
3978 2006-08-20 Jan Hubicka <jh@suse.cz>
3981 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3982 function body sizes.
3983 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3985 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3988 * tree.c (handle_dll_attribute): Return early if not a
3989 var or function decl.
3991 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3994 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3995 alignment of SPE vector types.
3997 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3999 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4001 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4004 * cgraph.h (struct cgraph_node): Remove externally_visible
4006 * cgraphunit.c (process_function_and_variable_attributes): Set
4007 local.externally_visible rather than externally_visible.
4010 * c-common.c (handle_externally_visible_attribute): First look
4011 at TREE_CODE and only if it is function or var decl, check for
4012 non-public objects. Don't warn for DECL_EXTERNAL.
4013 * cgraphunit.c (process_function_and_variable_attributes): Warn
4014 if externally_visible attribute is used on non-public object.
4016 2006-08-17 Jan Hubicka <jh@suse.cz>
4018 PR tree-optimization/27865
4019 * reload1.c (forget_marked_reloads): New function.
4020 (forget_old_reloads_1): When data are passed, just mark the registers
4022 (reload_as_needed): Use the new mechanizm.
4024 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4027 * reload.h (reg_equiv_alt_mem_list): New declaration.
4028 * reload1.c (reg_equiv_alt_mem_list): New definition.
4029 (reload): Initialize it and release it.
4030 (delete_output_reload): Use it.
4031 * reload.c (push_reg_equiv_alt_mem): New function.
4032 (find_reloads_toplev): Call it.
4033 (find_reloads_address, find_reloads_address_1): Likewise.
4034 (find_reloads_subreg_address): Likewise.
4036 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4038 PR rtl-optimization/28489
4039 * sched-ebb.c (begin_schedule_ready): Create basic block
4041 (advance_target_bb): Skip empty blocks.
4042 * haifa-sched.c (bb_note): Make global.
4043 * sched-int.h (bb_note): Add prototype.
4045 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4047 PR tree-optimization/27865
4048 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4050 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4051 fold_used_pointer, pointer_used_p): New functions.
4052 (analyze_scalar_evolution_1): Use fold_used_pointer.
4053 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4054 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4057 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4060 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4061 or the INTEGER_CST. Fail on a CALL_EXPR.
4062 (fold_offsetof): Pass new argument to fold_offsetof_1.
4063 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4064 operand into an INDIRECT_REF.
4065 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4067 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4069 PR gcov/profile/26570
4070 * value-prof.c (static_values): Removed.
4071 (tree_find_values_to_profile): Do not set static_values.
4072 (find_values_to_profile): Do not free static_values.
4073 * profile.c (instrument_values): Do not free the values.
4074 (branch_prob): Free the values.
4076 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4078 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4080 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4083 * c-typeck.c (build_component_ref): Combine qualifiers of
4084 structure or union and field.
4086 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4088 PR rtl-optimization/28071
4089 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4090 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4091 * tree-into-ssa.c (struct dom_dfsnum): New.
4092 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4094 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4095 compute_global_livein.
4096 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4097 in phi nodes in the correct blocks.
4099 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4101 PR tree-optimization/28364
4102 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4104 (fold_affine_expr): New function.
4105 (may_eliminate_iv): Use fold_affine_expr.
4107 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4110 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4113 2006-08-16 Mike Stump <mrs@apple.com>
4115 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4116 * doc/cppopts.texi (-MD): Likewise.
4118 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4121 * c-common.c (handle_weak_attribute): Ignore and warn if
4122 not a FUNCTION_ or VAR_DECL.
4124 2006-07-15 Mike Stump <mrs@apple.com>
4127 * c-parser.c (c_parser_typeof_specifier): Don't use
4128 c_finish_expr_stmt, open code desired semantics instead.
4130 2006-08-15 Nick Clifton <nickc@redhat.com>
4132 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4133 fragment to tmake_file only if threads are enabled.
4134 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4135 * config/i386/t-gthr-win32: New file. ... here.
4137 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4140 * c-parser.c (c_parser_compound_statement_nostart): Reset
4141 parser->error after each statement.
4143 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4146 * omp-low.c (lower_omp_parallel): Convert t to
4147 receiver_decl's type.
4148 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4149 source before comparison.
4152 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4153 to itype in assignment to oldival2.
4155 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4159 * c-typeck.c (build_compound_expr): If the second expression
4160 is an error mark, then just return an error mark instead of
4161 creating a COMPOUND_EXPR.
4163 2006-07-14 Mike Stump <mrs@apple.com>
4165 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4167 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4169 * c-decl.c, var-tracking.c: Fix comment typos.
4171 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4173 PR rtl-optimization/28634
4174 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4175 for floating-point modes unless flag_unsafe_math_optimizations.
4177 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4178 Andrew Pinski <pinskia@physics.uc.edu>
4181 * tree.c (build_array_type): Unify array types with
4182 unspecified index_type.
4183 * c-decl.c (grokdeclarator): Make sure we do not modify a
4184 unified incomplete array type.
4185 * c-typeck.c (store_init_value): Create distinct type before
4186 filling in the index type in an initializer from a compound
4189 * c-decl.c (grokdeclarator): Remove code where we copy the
4192 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4194 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4195 into account for TODO_dump_cgraph.
4196 (TODO_update_ssa_no_phi): Likewise.
4197 (TODO_update_ssa_full_phi): Likewise.
4198 (TODO_update_ssa_only_virtuals): Likewise.
4199 (TODO_remove_unused_locals): Likewise.
4200 (TODO_set_props): Likewise.
4201 (TODO_update_stmt_usage): Likewise.
4203 2006-08-13 Dirk Mueller <dmueller@suse.de>
4205 * c-common.c (strict_aliasing_warning): Fix formatting.
4207 2006-08-13 Matthias Klose <doko@debian.org>
4209 * doc/invoke.texi: Fix spelling errors.
4211 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4213 PR rtl-optimization/23454
4214 * reorg.c (relax_delay_slots): Update comment.
4216 2006-08-11 Richard Guenther <rguenther@suse.de>
4219 * simplify-rtx.c (simplify_const_relational_operation):
4220 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4223 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4225 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4226 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4228 2006-08-10 Paul Brook <paul@codesourcery.com>
4230 * final.c (final_scan_insn): Clear current_insn_predicate before
4231 outputting inline asm.
4233 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4235 PR tree-optimization/26197
4236 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4237 get_ref_base_and_extent and overlap_subvar to add only relevant
4238 subvars as may-aliases.
4239 (add_may_alias_for_new_tag): New function, factored out of
4241 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4242 with additional argument.
4243 * tree-flow.h (new_type_alias): Takes additional argument.
4245 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4247 * gcov.c (no_data_file): New flag.
4248 (read_count_file): Set it if data file not present. Assume counts
4250 (output_lines): Don't name the data file, if there wasn't one.
4252 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4254 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4255 (rs6000_generate_compare): Tweak comments.
4256 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4258 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4260 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4261 (var_debug_decl): New function.
4262 (var_reg_set): Follow debug decl link. Add location even if
4263 reg is already known to hold some other variable.
4264 (var_mem_set): Follow debug decl link.
4265 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4266 decl link. Delete other known locations of the variable part
4268 (var_reg_delete, var_mem_delete): Delete other known locations
4269 of the variable part if requested.
4270 (same_variable_part_p): New function.
4271 (add_stores): Select MO_COPY when appropriate.
4272 (vt_initialize): Handle it.
4273 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4274 known locations for MO_SET and MO_CLOBBER.
4275 (find_variable_location_part): New function.
4276 (set_variable_part, delete_variable_part): Use it.
4277 (clobber_variable_part): New function.
4278 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4281 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4283 PR tree-optimization/26969
4284 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4285 with an empty list of PHIs.
4287 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4291 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4294 2006-08-06 Andreas Schwab <schwab@suse.de>
4296 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4297 string. Whitespace and comment fixup.
4299 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4302 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4306 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4309 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4311 2006-08-04 Jan Hubicka <jh@suse.cz>
4315 * reload.c (push_reload): Patch out the mismatching instruction;
4317 (find_reload): Bail out if the instruction was patched out.
4319 2006-08-04 Jan Hubicka <jh@suse.cz>
4321 PR tree-optimization/24888
4322 * tree-inline.c (expand_call_inline): Do not re-record variables.
4323 (declare_inline_vars): Add variable to unexpanded_var_list.
4325 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4326 Roger Sayle <roger@eyesopen.com>
4328 PR rtl-optimization/26244
4329 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4330 inner_const are negative or greater than or equal to the bitsize of
4331 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4332 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4333 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4334 CONST0_RTX (mode) when the new shift count is greater than or equal to
4335 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4338 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4340 * tree-cfg.c: Fix a comment typo.
4342 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4345 * varasm.c (output_constant): Give the front end another chance to
4346 expand constants, after stripping NOPs.
4348 2006-08-03 Jan Hubicka <jh@suse.cz>
4350 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4353 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4355 PR tree-optimization/27770
4356 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4357 declaration removed (moved to tree-flow.h).
4358 (vect_can_force_dr_alignment_p): Likewise.
4359 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4360 (moved from tree-vectorizer.h).
4361 (vect_can_force_dr_alignment_p): Likewise.
4362 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4363 from outside the vectorizer - in particular from cgraph stage.
4364 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4365 the alignment of global arrays when -fsection-anchors is enabled.
4366 * cgraphunit.c (cgraph_increase_alignment): New function.
4367 (cgraph_optimize): Call cgraph_increase_alignment.
4369 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4372 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4373 not reload a SPE symbol_ref into a lo_sum address.
4375 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4378 * dwarf2out.c (prune_unused_types_prune): Move call to
4379 prune_unused_types_update_strings to cover the parent DIE also.
4381 2006-08-02 Jan Hubicka <jh@suse.cz>
4383 PR gcov/profile/28480
4384 * tree-cfg.c (change_bb_for_stmt): New function.
4385 (tree_merge_blocks, tree_split_blocks): Use it.
4387 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4393 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4394 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4395 (cgraph_optimize): Likewise.
4397 2006-08-01 Stuart Hastings <stuart@apple.com>
4399 * rtl.h (UINTVAL) New.
4400 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4401 * testsuite/gcc.dg/20060801-1.c: New.
4403 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4406 * c-typeck.c (build_external_type): Mark used enum types.
4407 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4409 (gen_subprogram_die): Whitespace fix.
4411 2006-08-01 Jan Hubicka <jh@suse.cz>
4413 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4414 bitmap when not needed.
4415 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4418 2006-08-01 Dirk Mueller <dmueller@suse.de>
4420 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4422 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4424 * Makefile.in: Revert part of previous patch:
4425 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4428 2006-07-30 Eric Christopher <echristo@apple.com>
4431 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4432 (PowerPC Variable Attributes): New section.
4434 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4436 PR target/28126 (partial fix)
4437 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4439 2006-07-28 Jan Hubicka <jh@suse.cz>
4441 PR rtl-optimization/28071
4442 * cfgrtl.c (rtl_delete_block): Free regsets.
4443 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4445 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4447 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4448 and variables used in dependencies.
4450 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4452 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4453 %fs for -mcmodel=kernel.
4454 (stack_tls_protect_test_di): Likewise.
4456 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4458 * Makefile.in: Use mkinstalldirs.
4460 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4463 * opts-common.c (prune_options): Skip joined switches.
4465 2006-07-27 Jan Hubicka <jh@suse.cz>
4467 PR rtl-optimization/28071
4468 * cselib.c (cselib_process_insn): Don't remove useless values too
4469 often for very large hashtables.
4471 2006-07-27 Jan Hubicka <jh@suse.cz>
4473 PR rtl-optimization/28071
4474 * global.c (greg_obstack): New obstack.
4475 (allocate_bb_info): Use it.
4476 (free_bb_info): Likewise.
4477 (modify_reg_pav): Likewise.
4479 2006-07-27 Roger Sayle <roger@eyesopen.com>
4481 * builtins.c (fold_fixed_mathfn): When long and long long are the
4482 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4483 functions to their lceil*, lfloor*, lround* and lrint* forms.
4485 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4488 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4490 (rev_branch_insn): Likewise.
4492 2006-07-27 Jan Hubicka <jh@suse.cz>
4494 PR rtl-optimization/28071
4495 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4496 (reg_set_in_bb, max_reg_computed): New static variables.
4497 (regmove_optimize): Free the new array.
4498 (fixup_match_1): Update call of reg_is_remote_constant_p.
4500 2006-07-26 Jan Hubicka <jh@suse.cz>
4502 PR tree-optimization/27882
4503 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4505 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4507 (cgraph_analyze_compilation_unit): Likewise.
4508 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4509 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4510 (cgraph_early_inlinine): Make order garbage collected.
4511 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4513 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4515 * dbxout.c (output_types_sort): Add a comment.
4516 (output_used_types): Free the VEC.
4518 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4520 * function.c (reorder_fix_fragments): Delete.
4521 (reorder_blocks): Don't call it.
4522 (reorder_blocks_1): Put all subblocks under the origin block.
4524 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4526 PR rtl-optimization/27907
4527 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4530 2006-07-25 Roger Sayle <roger@eyesopen.com>
4533 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4534 bar(x) check that bar's result type can represent all the values of T.
4536 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4538 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4540 2006-07-25 Nick Clifton <nickc@redhat.com>
4542 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4543 size_lookup[] array.
4544 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4545 (ggc_pch_count_object): Likewise.
4546 (ggc_pch_alloc_object): Likewise.
4547 (ggc_pch_write_object): Likewise.
4548 (init_ggc): Do not attempt to initialize entries in the
4549 size_lookup[] array for objects whose size is greater than than
4550 the length of the array.
4552 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4554 * dbxout.c (output_used_types_helper): Push queued types
4556 (output_types_sort): New.
4557 (output_used_types): Collect used types on a VEC and sort them
4560 2006-07-24 Richard Guenther <rguenther@suse.de>
4563 * cgraph.c (cgraph_remove_node): Do not check if dumps
4565 * cgraphunit.c (cgraph_optimize): Likewise.
4567 2006-07-24 Jan Hubicka <jh@suse.cz>
4569 PR rtl-optimization/28071
4570 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4571 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4572 splitting before first stmt.
4574 2006-07-24 Jan Hubicka <jh@suse.cz>
4576 PR rtl-optimization/28071
4577 * ipa-inline.c (update_caller_keys): Remove edges that
4578 are no longer inline candidates.
4580 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4583 * dbxout.c (output_used_types_helper, output_used_types): New.
4584 (dbxout_symbol): Call output_used_types.
4586 2006-07-23 Jan Hubicka <jh@suse.cz>
4590 * cgraph.c (cgraph_varpool_nodes): Export.
4591 (decide_is_variable_needed): Ignored "used" attribute in
4592 unit-at-a-time mode.
4593 * cgraph.h (cgraph_varpool_nodes): Declare.
4594 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4595 unit-at-a-time mode.
4597 2006-07-23 Roger Sayle <roger@eyesopen.com>
4600 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4601 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4602 the __gthrw form of thr_keycreate.
4603 (__gthread_key_delete): Silence the unused argument warning.
4605 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4608 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4609 Cache the last found '\0' marker to avoid quadratic behavior.
4611 2006-07-23 Jan Hubicka <jh@suse.cz>
4613 * i386.md (subsi_3_zext): Fix output template.
4615 2006-07-21 Mike Stump <mrs@apple.com>
4617 * doc/invoke.texi (C++ Dialect Options): Note that
4618 -fvisibility-inlines-hidden doesn't affect explicitly
4619 instantiationed inline methods.
4621 2006-07-20 Roger Sayle <roger@eyesopen.com>
4623 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4624 if the target assembler is GNU binutils' gas.
4625 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4626 whether to pass GNU gas or native as command line options.
4628 2006-07-20 Jason Merrill <jason@redhat.com>
4630 * tree.c (remove_attribute): New fn.
4631 * tree.h: Declare it.
4633 2006-07-20 Paul Brook <paul@codesourcery.com>
4636 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4637 they are invalidated by this instruction.
4639 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4642 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4644 2006-07-20 Eric Christopher <echristo@apple.com>
4647 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4649 2006-07-19 Eric Christopher <echristo@apple.com>
4651 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4652 Rewrite dependencies for libgcc_s.1.dylib.
4654 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4656 * except.c (duplicate_eh_regions_1): Clear next_peer.
4658 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4660 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4661 -mlongcall does not guarantee all calls will be long.
4662 * doc/extend.texi (long_call/short_call): Document that longcall
4663 does not guarantee a long call will be used.
4664 (longcall/shortcall): Likewise.
4666 2006-07-18 Roger Sayle <roger@eyesopen.com>
4669 * expmed.c (expand_shift): Additionally check that the shift_cost
4670 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4671 before implementing a LSHIFT_EXPR as a sequence of additions.
4672 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4673 middle-end that DImode shifts need to be synthesized by expand.
4675 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4678 * tree-ssa-operands.c (access_can_touch_variable): Update
4680 Return true if ALIAS is .GLOBAL_VAR.
4682 2006-07-18 David Daney <ddaney@avtrex.com>
4684 * gcc.c (display_help): Fix typo in help text.
4686 2006-07-18 Olivier Hainque <hainque@adacore.com>
4688 * tree.h (categorize_ctor_elements): Adjust prototype and add
4689 descriptive comment, both in accordance with the interface change
4691 * varasm.c (constructor_static_from_elts_p): New function.
4692 Whether a constructor node is a valid static constant initializer
4693 if all its elements are.
4694 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4695 * output.h: Declare it.
4696 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4697 is a valid constant initializer instead of computing the number of
4698 non-constant elements. Use constructor_static_from_elts_p for this
4699 purpose. Replace the head comment with an indication that this is a
4700 helper for categorize_ctor_elements.
4701 (categorize_ctor_elements): Same interface change as for the _1
4702 helper. Former head comment from this helper moved here, adjusted to
4703 account for the interface changes.
4704 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4705 (all_zeros_p): Likewise.
4706 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4707 static versions of the constructor from the categorize_ctor_elements
4708 return value instead of the formerly computed number of non-constant
4711 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4713 * configure: Regenerate.
4714 * Makefile.in (build_libsubdir): New configure substitution
4715 (build_libobjdir): New variable.
4716 (BUILD_LIBIBERTY): Use it.
4718 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4721 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4723 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4726 * c-common.c (handle_weakref_attribute): Ignore attribute in
4727 the same conditions the alias attribute is ignored.
4729 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4731 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4732 (dbxout_begin_prologue): Increment scope_labelno.
4734 2006-07-17 Richard Henderson <rth@redhat.com>
4737 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4740 2006-07-17 Roger Sayle <roger@eyesopen.com>
4741 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4743 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4744 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4745 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4746 functions such as sbrk, write, etc.. Add function prototypes.
4747 Convert function declarations from K&R to ISO C. Cast pointers
4748 to "long" and "unsigned long" instead of "int" and "unsigned int".
4749 Convert tokens following #endif into comments.
4751 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4753 * invoke.texi: Remove mention of f77; Reformat table for
4754 inline parameter options correctly; mention that -malign-double
4755 is default on x86-64 targets.
4757 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4759 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4760 (convert_affine_scev, chrec_convert_aggressive): Use
4761 avoid_arithmetics_in_type_p. Do not check for the subtypes
4764 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4767 * optabs.c (expand_doubleword_shift): Wrap the call to
4768 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4770 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4773 * optabs.c (expand_binop): Pass next_methods rather than methods
4774 to expand_doubleword_shift.
4776 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4779 * tree.h (dump_addr): Declare.
4780 * print-tree.c (dump_addr): New function.
4781 (print_node_brief, print_node): Use it.
4782 * print-rtl.c (print_rtx): Likewise.
4783 * common.opt (-fdump-noaddr): New option.
4784 * doc/invoke.texi (-fdump-noaddr): Document.
4785 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4786 (ve_info_hash): Likewise.
4788 2006-07-13 Andrew Haley <aph@redhat.com>
4790 PR tree-optimization/19505
4791 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4792 edge leaving this block, make sure that the destination of this
4793 block has only one predecessor.
4795 2006-07-17 Richard Guenther <rguenther@suse.de>
4797 PR tree-optimization/28238
4798 * tree-inline.c (copy_bb): Check if we produced valid
4799 gimple copying and substituting a stmt. If not, gimplify
4802 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4804 * optabs.c (maybe_encapsulate_block): New function extracted from...
4805 (emit_libcall_block): ...here. Invoke it on the block of insns to
4806 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4807 (emit_no_conflict_block): Likewise.
4809 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4811 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4813 2006-07-15 Roger Sayle <roger@eyesopen.com>
4815 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4816 a new NOP_EXPR case of the switch statement.
4818 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4821 * stor-layout.c (place_field): Take the bit field with
4822 an excessive size into account in the ms-bitfiled case.
4825 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4826 the previous bit field.
4828 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4831 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4833 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4835 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4836 signal frames correctly even when the signal was installed with
4839 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4841 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4842 (dbxout_function_end): Use local label LFBB. Remove hook
4844 (dbxout_source_line): Use local label LFBB.
4845 (dbxout_block): Likewise.
4846 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4847 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4848 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4849 and DBX_OUTPUT_NFUN.
4851 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4853 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4855 2006-07-13 Jan Hubicka <jh@suse.cz>
4857 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4859 * output.h (align_variable): Declare.
4860 * varasm.c (align_variable): Export.
4861 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4862 when basic block changed.
4864 2006-07-13 Nick Clifton <nickc@redhat.com>
4866 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4867 walking the LOG_LINKS chain.
4869 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4871 * doc/invoke.texi (C++ Dialect Options): Explain difference
4872 between -fvisibility-inlines-hidden and setting hidden
4873 visibility explicitly.
4875 2006-07-12 Eric Christopher <echristo@apple.com>
4877 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4878 (stmp-lipo): Depend on libgcc.a.
4880 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4882 * tree.c: Fix a comment typo.
4884 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4886 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4888 (umulhisi3_r): Likewise.
4890 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4893 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4894 x < 19, vs wchar_t support.
4896 2006-07-12 Nick Clifton <nickc@redhat.com>
4898 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4899 instead of -isa=sh4.
4901 2006-07-12 Mike Stump <mrs@apple.com>
4903 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4905 2006-07-10 Eric Christopher <echristo@apple.com>
4907 * config/t-slibgcc-darwin: Rewrite.
4909 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4912 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4915 2006-07-08 Matthias Klose <doko@debian.org>
4917 * doc/sourcebuild.texi: Fix typo.
4919 2006-07-07 Mike Stump <mrs@apple.com>
4921 * toplev.c (process_options): Don't give -ffunction-sections may
4922 affect debugging warning for Mach-O.
4924 2006-07-07 James E Wilson <wilson@specifix.com>
4926 * config/mips/mips.md (cpu): Add sb1a.
4927 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4928 addition to sb1. Adjust comments to clarify SB-1A differences from
4930 (ir_sb1a_load): New. Modify bypasses to use it.
4931 (ir_sb1a_simple_alu): Likewise.
4932 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4933 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4934 (mips_issue_rate): Add PROCESSOR_SB1A.
4935 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4936 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4937 (TARGET_SB1): Add PROCESSOR_SB1A check.
4938 (TUNE_SB1): Likewise.
4940 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4941 * config/mips/mips.c (mips_store_data_bypass_p): New.
4942 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4943 store_data_bypass_p.
4945 2006-07-08 Paul Brook <paul@codesourcery.com>
4948 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4950 2006-07-07 Richard Guenther <rguenther@suse.de>
4953 * tree.h (build_one_cst): Declare.
4954 * tree.c (build_one_cst): New function.
4955 * tree-ssa-math-opts.c (get_constant_one): Remove.
4956 (insert_reciprocals): Use build_one_cst.
4957 * fold-const.c (fold_plusminus_mult): Likewise.
4959 2006-07-07 Roger Sayle <roger@eyesopen.com>
4961 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4962 * cfgloopanal.c (dump_graph): Likewise.
4963 * dojump.c (discard_pending_stack_adjust): Likewise.
4964 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4966 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4967 * function.c (finalize_block_changes): Likewise.
4968 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4969 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4970 * rtl.c (dump_rtx_statistics): Likewise.
4971 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4973 * varray.c (dump_varray_statistics): Likewise.
4974 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4975 decode_decimal64, encode_decimal128, decode_decimal128,
4976 decimal_real_to_decimal): Likewise.
4978 2006-07-07 Richard Guenther <rguenther@suse.de>
4980 PR tree-optimization/28187
4981 * tree-vrp.c (vrp_operand_equal_p): New function.
4982 (vrp_bitmap_equal_p): Likewise.
4983 (update_value_range): Use them to compare old and new
4986 2006-07-06 Roger Sayle <roger@eyesopen.com>
4988 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4989 a default case to switch statement to silence compiler warnings.
4991 2006-07-06 Roger Sayle <roger@eyesopen.com>
4994 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4995 the configured assembler supports the x87's ffreep mnemonic.
4996 * configure: Regenerate.
4997 * config.in: Regenerate.
4999 * config/i386/i386.c (output_387_ffreep): New function.
5000 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5001 (output_387_reg_move): Likewise.
5003 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5005 Port to hosts whose 'sort' and 'tail' implementations
5006 treat operands with leading '+' as file names, as POSIX
5007 has required since 2001. However, make sure the code still
5008 works on pre-POSIX hosts.
5009 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5010 which says you should use "tail -c +N" rather than "tail +Nc".
5011 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5013 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5015 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5018 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5021 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5022 PRE_{INC,DEC} of TFmode.
5024 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5025 Alan Modra <amodra@bigpond.net.au>
5028 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5031 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5034 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5035 Remove duplicate gtu.
5037 2006-07-05 Jason Merrill <jason@redhat.com>
5041 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5042 * c-common.c (handle_packed_attribute): So don't copy it here.
5043 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5045 2006-07-05 Mike Stump <mrs@apple.com>
5047 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5049 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5052 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5054 2006-07-05 Richard Guenther <rguenther@suse.de>
5057 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5058 TARGET_SSE2 targets if using SSE math.
5059 (*absdf2_1): Likewise.
5061 2006-07-05 Richard Guenther <rguenther@suse.de>
5063 PR tree-optimization/28162
5064 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5065 make sure to convert the operands to the correct type.
5067 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5069 PR tree-optimization/28218
5071 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5072 to calculate and free the dominator information.
5074 2006-07-04 Peter O'Gorman <peter@pogma.com>
5076 * mklibgcc.in: chmod 644 before ranlib during install.
5078 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5079 J"orn Rennecke <joern.rennecke@st.com>
5081 * configure.ac (.eh_frame data check): Use diff -b.
5083 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5086 * Makefile.in (BUILD_RTL): Add build/vec.o.
5087 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5088 (build/genextract): Delete.
5089 (build/genautomata): Likewise.
5091 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5094 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5095 128-bit IBM long doubles for ABI_V4.
5097 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5099 * tree.c (range_in_array_bounds_p): New predicate.
5100 * tree.h (range_in_array_bounds_p): Declare it.
5101 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5102 return a less conservative answer.
5103 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5104 and flag 'is_group'.
5105 (IS_ELEMENT_FOR_GROUP): New macro.
5106 (FOR_EACH_ACTUAL_CHILD): Likewise.
5107 (next_child_for_group): New helper function.
5108 (can_completely_scalarize_p): Take into account groups.
5109 (sra_hash_tree): Handle RANGE_EXPR.
5110 (sra_elt_eq): Likewise.
5111 (lookup_element): Be prepared for handling groups.
5112 (is_valid_const_index): Delete.
5113 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5114 instead of is_valid_const_index.
5115 <ARRAY_RANGE_REF>: New case.
5116 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5117 is_valid_const_index.
5118 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5119 (scan_dump): Dump info for groups too.
5120 (decide_instantiation_1): Likewise.
5121 (decide_block_copy): Assert that the element is not a group.
5122 Propagate decision to groups.
5123 (generate_one_element_ref): Handle RANGE_EXPR.
5124 (mark_no_warning): Iterate over actual childs.
5125 (generate_copy_inout): Likewise.
5126 (generate_element_copy): Likewise.
5127 (generate_element_zero): Likewise.
5128 (generate_element_init_1): Likewise.
5129 (dump_sra_elt_name): Handle RANGE_EXPR.
5131 2006-07-03 Roger Sayle <roger@eyesopen.com>
5133 PR tree-optimization/26251
5134 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5135 (thread_block): When optimizing for size refuse to thread jumps
5136 that would require duplication of blocks other than redirection
5139 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5141 * configure.ac: Fix thinko in previous check-in.
5142 * configure: Regenerate.
5144 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5147 * configure.ac (for lang...): Simplify nesting of conditionals.
5148 Test subdir_requires for non-enabled languages. Move processing
5149 of lang_opt_files and lang_tree_fiels below that test.
5150 * configure: Regenerate.
5151 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5153 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5155 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5157 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5159 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5162 2006-06-29 Jason Merrill <jason@redhat.com>
5169 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5170 * c-common.c (c_determine_visibility): Handle it here.
5171 * c-decl.c (finish_decl): Call c_determine_visibility for
5173 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5175 * varasm.c (default_assemble_visibility): Likewise.
5176 * c-common.c (handle_visibility_attribute): Complain about trying
5177 to give visibility to an already defined class, or trying to change
5178 declared visibility. Always attach the attribute.
5183 * attribs.c (decl_attributes): Ignore type-in-place attributes
5184 once the type has been defined.
5186 2006-06-29 Roger Sayle <roger@eyesopen.com>
5189 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5190 to indicate the cpplib has issued an error message for us.
5192 2006-06-29 Asher Langton <langton2@llnl.gov>
5195 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5196 insert a label at the end of an function under Mach-O.
5198 2006-06-29 Eric Christopher <echristo@apple.com>
5199 Evan Cheng <evan.cheng@apple.com>
5201 * predicates.md (vector_all_ones_operand): New.
5202 (nonimmediate_or_sse_const_operand): Ditto.
5203 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5204 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5205 (standard_sse_mode_p): Ditto.
5206 (standard_sse_constant_p): Add case for -1 vector.
5207 (ix86_expand_vector_move): Try to use.
5208 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5209 Call standard_sse_constant_opcode.
5210 (*movv4sf_internal): Ditto.
5211 (*movv2df_internal): Ditto.
5213 2006-06-29 Roger Sayle <roger@eyesopen.com>
5215 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5216 of XEXP to extract the operands of a MATCH_CODE rtx.
5218 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5220 * tree.c (tree_size): Do not waste tail padding in
5221 struct tree_string and make the size be the same as
5222 build_string will generate.
5224 2006-06-28 Jason Merrill <jason@redhat.com>
5227 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5228 may_aliases already in the tag's annotations to the bitmap.
5230 2006-06-28 Roger Sayle <roger@eyesopen.com>
5232 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5234 2006-06-28 Roger Sayle <roger@eyesopen.com>
5236 * genpreds.c (generate_switch_p): New function.
5237 (add_mode_tests): Push the new mode test down inside an AND expr
5238 if this allows the switch-suitable MATCH_CODE to be near the root.
5239 (write_match_code_switch): New function to write a MATCH_CODE as
5241 (write_predicate_stmts): New function to write a predicate RTX
5242 expression as a sequence of statements.
5243 (write_one_predicate_function): Use write_predicate_stmts.
5244 (write_tm_constrs_h): Likewise.
5246 2006-06-26 Fred Fish <fnf@specifix.com>
5248 * config/mips/t-sb1: New file.
5249 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5252 2006-06-26 DJ Delorie <dj@redhat.com>
5254 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5256 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5257 Jayant Sonar <jayants@kpitcummins.com>
5258 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5260 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5261 (subsi3, subsi3_1, subsi3_2): New.
5262 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5263 * config/m32c/mov.md (SI mov peephole): New.
5264 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5265 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5267 2006-06-26 Olivier Hainque <hainque@adacore.com>
5269 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5270 a CALL_EXPR target function declaration.
5272 2006-06-26 Richard Guenther <rguenther@suse.de>
5274 * tree.c (build_string): Do not waste tail padding in
5277 2006-06-26 Richard Guenther <rguenther@suse.de>
5279 * ggc-page.c (init_ggc): Add missing element to size_lookup
5283 2006-06-23 Richard Guenther <rguenther@suse.de>
5285 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5286 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5287 alignment requests instead. Add verification code.
5288 Add struct tree_function_decl and struct tree_binfo size to
5289 extra_order_size_table. Add missing element to size_lookup
5292 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5295 * fold-const.c (const_binop): Be prepared for self returning zero.
5296 Simplify code handling complex values.
5298 2006-06-24 Olivier Hainque <hainque@adacore.com>
5300 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5301 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5304 2006-06-24 Olivier Hainque <hainque@adacore.com>
5306 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5307 ARRAY_REF, so have the callback called for the low bound expression.
5309 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5311 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5312 * c-typeck.c (c_common_type): Disallow operations on decimal float
5313 types and other float types.
5314 * convert.c (convert_to_real): Don't ignore conversions involving
5315 decimal float types.
5317 2006-06-23 Olivier Hainque <hainque@adacore.com>
5319 * tree.c (max_int_size_in_bytes): New function, inspired from
5320 code in function.c:assign_temp.
5321 * tree.h (max_int_size_in_bytes): Declare.
5322 * function.c (assign_temp): Use it.
5323 * gimplify.c (create_tmp_var): Relax the assertions on the type
5324 properties, not mandating constant size any more.
5325 (force_constant_size): New static function.
5326 (gimple_add_tmp_var): Use it, forcing variable size to a
5327 constant upper bound if it is not constant on entry.
5329 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5332 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5333 for initialization and setting of one_only flag to ...
5334 (i386_pe_encode_section_info): ...here.
5335 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5336 Recheck that the symbol has not been defined.
5338 2006-06-23 Richard Guenther <rguenther@suse.de>
5340 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5341 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5342 alignment requests instead. Add verification code.
5343 Add struct tree_function_decl and struct tree_binfo size to
5344 extra_order_size_table. Add missing element to size_lookup
5347 2006-06-22 Roger Sayle <roger@eyesopen.com>
5348 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5351 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5352 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5354 2006-06-23 Ben Elliston <bje@au.ibm.com>
5356 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5357 negate dn -- manipulate it directly.
5359 2006-06-22 Roger Sayle <roger@eyesopen.com>
5360 Steven Bosscher <stevenb.gcc@gmail.com>
5363 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5364 generated by gen_move_insn to add REG_LABEL notes if necessary.
5366 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5368 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5369 (leaf_entry): Remove use of MIN_ESA.
5371 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5373 PR rtl-optimization/28121
5374 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5377 2006-06-21 DJ Delorie <dj@redhat.com>
5379 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5381 (mulhisi3_r): Likewise.
5383 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5386 * coverage.c (coverage_counter_alloc): Leave the index type
5388 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5391 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5393 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5394 section from the "Options for Code Generation Conventions".
5396 2006-06-21 Richard Henderson <rth@redhat.com>
5400 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5402 (global_symbolic_operand): Allow weak symbols, even if local_p.
5404 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5406 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5407 (find_interesting_uses_address): Punt if above function returns true.
5409 2006-06-21 Richard Guenther <rguenther@suse.de>
5411 * configure: Regenerated.
5413 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5415 * config/mips/mips.c (function_arg): Where one part of a
5416 complex argument is in registers and the other part in the stack,
5417 return a REG not a PARALLEL.
5419 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5421 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5422 when cross-compiling. Do not substitute libstdcxx_incdir.
5423 * configure: Regenerated.
5425 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5427 * varasm.c (mergeable_string_section): Check for embedded NULs and
5428 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5429 rather than TREE_STRING_LENGTH bytes.
5431 2006-06-21 Richard Guenther <rguenther@suse.de>
5433 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5434 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5437 2006-06-21 Richrad Guenther <rguenther@suse.de>
5439 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5440 Limit iteration over the dominators.
5442 2006-06-20 Roger Sayle <roger@eyesopen.com>
5444 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5445 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5447 2006-06-20 Richard Guenther <rguenther@suse.de>
5448 Michael Matz <matz@suse.de>
5450 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5452 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5453 * et-forest.h (et_free_pools): Prototype new function.
5454 * et-forest.c (et_free_tree_force): Free parent occurrence.
5455 (et_free_pools): New function.
5456 * dominance.c (free_dominance_info): Free et-forest alloc
5459 2006-06-20 Roger Sayle <roger@eyesopen.com>
5461 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5462 integer modes, attempt to directly construct an integer constant.
5464 * fold-const.c (native_encode_vector): Determine the size of each
5465 element from the vector type instead of the first vector element.
5467 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5468 if all of its elements/components are constant.
5469 (build_constructor_from_list): Likewise.
5471 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5473 PR tree-optimization/27331
5474 * tree-data-ref.c (free_data_ref): New function.
5475 (create_data_ref): Fail if the data reference has unknown access
5477 (free_data_refs): Use free_data_ref.
5479 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5482 * tree-inline.c (setup_one_parameter): Strip useless
5483 type conversion before adding it to the IR.
5484 (declare_return_variable): Likewise.
5486 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5489 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5491 2006-06-19 Mike Stump <mrs@apple.com>
5493 * tree.c (variably_modified_type_p): VM arguments don't make the
5496 2006-06-19 Richard Guenther <rguenther@suse.de>
5498 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5499 type conversions after folding.
5501 2006-06-19 Richard Guenther <rguenther@suse.de>
5503 * ggc-page.c (extra_order_size_tab): Add entries with
5504 size of struct function and basic_block.
5505 (size_lookup): Extend to cover sizes up to 511.
5506 (ggc_alloc_stat): Adjust user.
5507 (ggc_pch_count_object): Likewise.
5508 (ggc_pch_alloc_object): Likewise.
5509 (ggc_pch_write_object): Likewise.
5511 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5513 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5514 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5517 2006-06-19 Denis Chertykov <denisc@overta.ru>
5519 * config/avr/libgcc.S : Correct my wrong previous commit.
5521 2006-06-19 Roger Sayle <roger@eyesopen.com>
5524 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5525 have stripped a SUBREG from the shift count, so we may need to
5526 convert_to_mode back to the type's mode before calling make_tree.
5527 Use new_amount instead of amount to avoid expanding a tree twice.
5529 2006-06-19 Richard Guenther <rguenther@suse.de>
5532 * fold-const.c (operand_equal_p): Check if the argument types
5533 have the same precision before stripping NOPs.
5535 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5537 Fix PR tree-optimization/27341
5538 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5540 * tree-complex.c (pass_lower_complex): Update SMT usage.
5542 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5544 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5545 Add a new alternative to the constraint strings. Add move of
5546 operand 1 to 3 to the splitter definition.
5547 ("doloop_si_long"): Second contraint alternative removed.
5549 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5551 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5552 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5554 (AVR_HAVE_MOVW) Define.
5555 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5556 (ASM_SPEC): Add avr25.
5557 (LINK_SPEC): Add avr25.
5558 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5559 (base_arch_s): Add new member 'have_movw_lpmx'.
5560 (avr_arch_types): Init 'have_movw_lpmx'.
5561 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5562 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5563 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5564 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5565 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5567 (avr_file_start): Do not output '.arh' derective.
5568 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5569 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5570 * config/avr/avr.md (mcu_enhanced): Delete.
5571 (mcu_have_movw): Define.
5572 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5573 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5574 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5575 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5576 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5577 attiny861 and at86rf401 devices.
5579 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5581 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5584 2006-06-17 Karl Berry <karl@gnu.org>
5586 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5587 doc/gccint.texi, doc/install.texi (@dircategory): Use
5588 "Software development" instead of "Programming", following
5589 the Free Software Directory.
5591 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5593 * config/i386/i386.c (legitimate_tls_address)
5594 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5595 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5596 (*tls_dynamic_gnu2_combine_64): Likewise.
5598 2006-06-16 Richard Guenther <rguenther@suse.de>
5601 * fold-const.c (negate_expr_p): Do not introduce undefined
5602 overflow in negating INTEGER_CSTs.
5603 (fold_negate_expr): Rename from negate_expr. Revert last
5604 change for folding BIT_NOT_EXPR. Change semantics to
5605 return NULL_TREE for non-simplified negations. Do not
5606 strip type conversions and unify type handling.
5607 (negate_expr): New function, wrap around fold_negate_expr
5608 but ensure building a tree always. Strip type conversions
5609 here, fold to result type.
5610 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5612 2006-06-16 Roger Sayle <roger@eyesopen.com>
5615 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5616 that (would) return their results in stack registers.
5618 2006-06-16 Michael Matz <matz@suse.de>
5619 Richard Guenther <rguenther@suse.de>
5621 * fold-const.c (fold_truthop): Only return new tree node if
5622 we canonicalized something.
5624 2006-06-16 Richard Guenther <rguenther@suse.de>
5626 * function.h (enum function_frequency): Move declaration
5627 out of struct function.
5628 (struct function): Move bool fields and the enum to the bitfield
5629 section. Reorder elements to avoid padding. Remove unused
5630 fields left over from the RTL inliner removal.
5631 * function.c (free_after_compilation): Do not zero removed fields.
5632 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5633 (ipa-type-escape.o): Likewise.
5635 2006-06-16 Richard Guenther <rguenther@suse.de>
5637 * cgraph.h (struct cgraph_local_info): Turn bool elements
5639 (struct cgraph_node): Likewise.
5640 (struct cgraph_varpool_node): Likewise.
5642 2006-06-15 Richard Guenther <rguenther@suse.de>
5644 * fold-const.c (fold_truth_not_expr): Rename from
5645 invert_truthvalue. Give it fold_* semantics to avoid
5647 (invert_truthvalue): New function. Wrapper around
5648 fold_truth_not_expr.
5649 (optimize_minmax_comparison): Avoid creating garbage.
5650 (fold_unary): Use fold_truth_not_expr for folding
5652 (fold_ternary): Replace uses of invert_truthvalue with
5653 fold_truth_not_expr where applicable.
5654 * tree.h (fold_truth_not_expr): Prototype.
5656 2006-06-16 Richard Guenther <rguenther@suse.de>
5658 PR tree-optimization/27781
5659 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5660 * ipa-pure-const.c (target.h): Include.
5661 (analyze_function): Do not analyze functions that do not
5664 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5667 * tree-dfa.c (referenced_vars_dup_list): Remove.
5668 (find_referenced_vars): Remove assert.
5669 (referenced_var_check_and_insert): Replace dup list with assert.
5670 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5671 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5673 2006-06-15 Richard Guenther <rguenther@suse.de>
5675 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5676 extra unused identifiers if not dumping.
5677 (create_variable_info_for): Likewise.
5679 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5681 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5682 (derive_constant_upper_bound): Derive more precise upper bound in
5683 common cases. Return type changed to double_int.
5684 (record_estimate): Reflect the changed return type of
5685 derive_constant_upper_bound.
5686 * double-int.c (double_int_zext, double_int_sext): Fix.
5688 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5690 * configure.ac (CFLAGS): Get them from the toplevel or from the
5691 configure invocation.
5692 * configure: Regenerate.
5693 * Makefile.in (CFLAGS): Substitute value provided by configure.
5695 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5698 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5699 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5700 rather than calling add_stmt on it.
5701 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5703 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5706 * reload1.c (reload): Remove registers returned by update_eliminables
5707 from used_spill_regs.
5709 2006-06-13 DJ Delorie <dj@redhat.com>
5711 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5713 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5715 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5716 html__strip_dir, html__mkdir_p. Enhance install-html target.
5717 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5718 * configure: Regenerate.
5720 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5722 * fold-const.c (fold_cond_expr_with_comparison): Check for
5723 Objective-C++ as language in deciding COND_EXPR transformation.
5725 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5728 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5729 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5730 * config/sh/lib1funcs.h (SL, SL1): Define.
5731 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5732 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5733 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5734 (OBJS_Os_4_200): New variable.
5735 ($(T)libgcc-Os-4-200.a): Use it.
5736 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5737 when dividing 1 and/or by 0.
5739 2006-06-13 Roger Sayle <roger@eyesopen.com>
5741 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5742 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5743 * configure: Regenerate.
5745 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5747 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5748 for real instruction.
5750 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5753 * haifa-sched.c (check_cfg): Handle special case.
5755 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5758 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5759 Add debug_info parameter. Chain the vars to the BLOCK instead
5760 of the BIND_EXPR if debug info are requested for them.
5761 (pop_gimplify_context): Adjust for above change.
5762 (gimple_add_tmp_var): Likewise.
5763 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5765 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5766 (convert_local_reference): Likewise.
5767 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5768 (finalize_nesting_tree_1): Request that debug info be emitted
5769 for debug_var_chain.
5771 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5773 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5774 for PR target/27863.
5776 2006-06-13 Richard Guenther <rguenther@suse.de>
5779 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5781 2006-06-13 Richard Guenther <rguenther@suse.de>
5783 PR tree-optimization/27830
5784 * tree-inline.c (copy_body_r): For copying the operand
5785 of an ADDR_EXPR make sure to fold &* afterwards.
5787 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5789 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5790 lvalues in the fb_none case with side-effects.
5792 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5794 * tree-flow.h: Remove the prototype for
5795 compute_phi_arg_on_exit.
5796 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5797 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5800 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5802 * builtins.c (expand_builtin_return_addr): Only use
5803 frame_pointer_rtx when count == 0 and we are expanding
5804 __builtin_return_address.
5806 2006-06-12 Fred Fish <fnf@specifix.com>
5808 * config/mips/mips.c (mips_file_start): Create special section
5809 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5811 2006-06-11 Eric Christopher <echristo@apple.com>
5814 * stor-layout.c (place_field): Remove check for
5815 remaining_in_alignment when aligning at the end of a run.
5817 2006-06-11 Eric Christopher <echristo@apple.com>
5820 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5823 2006-06-11 Roger Sayle <roger@eyesopen.com>
5826 Revert incorrect fix for PR target/27158
5827 2006-05-08 Roger Sayle <roger@eyesopen.com>
5828 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5829 of a reg_equiv_constant if the result is a legitimate constant.
5831 2006-06-11 Roger Sayle <roger@eyesopen.com>
5834 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5835 extract a CONST_VECTOR element and interpret it as an integer.
5836 (vspltis_constant): Use const_vector_elt_as_int instead of the
5837 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5838 * config/rs6000/predicates.md (easy_vector_const): Consider
5839 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5841 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5844 * stor-layout.c (update_alignment_for_field): Don't add extra
5845 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5848 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5850 * config/mips/t-rtems: Add EL/EB multilib variants.
5852 2006-06-09 Mike Stump <mrs@apple.com>
5854 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5856 2006-06-09 David Daney <ddaney@avtrex.com>
5858 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5860 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5862 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5864 2006-06-09 Richard Guenther <rguenther@suse.de>
5866 PR tree-optimization/26998
5867 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5868 of signed types, only TYPE_MIN_VALUE is special, but for both,
5869 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5870 in this case, as is -fwrapv.
5872 2006-06-08 Mike Stump <mrs@apple.com>
5875 * config/darwin.c (darwin_asm_output_anchor): Disable
5876 -fsection-anchors on darwin for now.
5877 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5878 * rs6000/rs6000.c (optimization_options): Likewise.
5880 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5883 * config/i386/i386.c (classify_argument): Skip fields with invalid
5886 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5888 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5889 (cse_insn): Likewise for the stack_pointer_rtx.
5891 2006-06-08 Roger Sayle <roger@eyesopen.com>
5893 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5894 conditions from floating point comparisons.
5896 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5899 * expmed.c (struct alg_hash_entry): Fix type of field T
5900 to match synth_mult argument.
5901 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5903 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5906 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5909 2006-06-08 Richard Guenther <rguenther@suse.de>
5912 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5913 only, if overflow is defined and not trapping.
5914 (negate_expr): Likewise.
5916 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5918 PR tree-optimization/27872
5919 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5920 flag on the new exit edge of the unrolled loop.
5922 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5924 PR rtl-optimization/26449
5925 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5927 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5930 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5931 referenced_variables with matching DECL_UID's.
5932 (find_referenced_vars): Make sure duplicate list is empty to start.
5933 (referenced_var_p): Remove.
5934 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5935 Check if var is in the list, and add if needed. Update the duplicate
5936 list if a different var is in the list with the same DECL_UID.
5937 (add_referenced_var): Call routine to check and insert.
5938 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5939 * tree-flow.h (referenced_vars_dup_list): External declaration.
5941 2006-06-07 Fred Fish <fnf@specifix.com>
5943 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5946 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5949 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5950 the imaginary and real parts of a clobbered register.
5951 Emit insn to set the imaginary part.
5953 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5955 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5956 in lieu of unwind-dw2-fde.c.
5958 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5960 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5962 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5965 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5966 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5967 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5968 V4SImode temporaries and operations instead.
5970 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5972 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5975 2006-06-06 Mike Stump <mrs@apple.com>
5977 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5978 installing during build.
5980 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5982 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5984 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5985 * config/ia64/ia64.c (params.h): New header.
5986 (ia64_optimization_options): New function to adjust parameters.
5987 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5988 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5989 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5991 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5993 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5995 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5998 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6000 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6001 Victor Kaplansky <victork@il.ibm.com>
6003 PR tree-optimization/26360
6004 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6007 2006-06-04 Roger Sayle <roger@eyesopen.com>
6008 Andrew Pinski <pinskia@physics.uc.edu>
6011 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6012 for LABEL_DECL before calling DECL_WEAK.
6015 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6016 LABEL_DECL and PARM_DECL.
6018 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6022 * c-decl.c (grokdeclarator): Disallow variably modified types at
6023 file scope. Avoid marking shared array type of constant size as
6026 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6029 * c-common.c (fold_offsetof_1): Handle static members.
6031 2006-06-04 Eric Christopher <echristo@apple.com>
6033 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6034 (debug_rli): Output value for remaining_in_alignment.
6035 (update_alignment_for_field): Unconditionalize
6036 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6037 extra alignment code.
6038 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6039 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6040 * tree.h (record_layout_info_s): Remove prev_packed.
6041 * doc/extend.texi (ms_struct): Add documentation of format.
6043 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6045 * tree.h: Declare folding_initializer.
6046 * builtins.c (fold_builtin_constant_p): Give definite answer
6047 if folding inside an initializer.
6048 * fold-const.c: Define folding_initializer.
6049 (START_FOLD_INIT): Save and then set folding_initializer.
6050 (END_FOLD_INIT): Restore folding_initializer.
6052 2006-06-04 Richard Guenther <rguenther@suse.de>
6054 PR tree-optimization/27039
6055 * fold-const.c (fold_comparison): Handle pointer comparison
6056 again for all comparison codes. Compare offsets in signed
6058 (fold_binary): Move code from here.
6060 2006-06-03 Roger Sayle <roger@eyesopen.com>
6063 * config/i386/i386.c (construct_container): Split static issued_error
6064 flag into issued_sse_arg_error, issued_sse_ret_error and
6065 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6066 requires the use of x87 registers and the user explicitly
6067 specified the -mno-80387 command line option.
6069 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6071 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6072 HAVE_DECL_SIGALTSTACK.
6074 (segv_handler): Use MC_FLD.
6075 * configure.ac: Check for a sigaltstack declaration.
6076 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6077 * configure: Regenerate.
6078 * config.in: Regenerate.
6080 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6083 * Makefile.in (stmp-fixinc): Fix typo.
6085 2006-06-02 Roger Sayle <roger@eyesopen.com>
6087 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6088 are type correct. Clean-up.
6089 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6090 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6092 2006-06-01 DJ Delorie <dj@redhat.com>
6094 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6095 shift, as we've disabled the "switch" insn that needs it.
6097 2006-06-01 Per Bothner <bothner@bothner.com>
6099 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6100 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6101 * c-ppoutput.c (cb_define): Don't increment line 0.
6103 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6105 * doc/invoke.texi: Add cpu_type power6.
6106 * config.gcc: Add cpu_type power6.
6107 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6108 to power5+ with Altivec.
6109 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6110 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6112 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6114 * config/avr/avr.h (SET_ASM_OP): Define.
6116 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6118 * config/bfin/bfin.c: Fix comment typos.
6120 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6123 * doc/install.texi: Document --enable-bootstrap and
6124 --disable-bootstrap.
6126 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6128 * doc/install.texi: Document that InfoZIP can replace jar.
6130 2006-05-31 Roger Sayle <roger@eyesopen.com>
6132 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6133 isn't available, directly generate the simpler x87 patterns without
6134 the (use (const_int 0)).
6135 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6136 implementation isn't available.
6137 (*negdf2_1): Likewise.
6138 (*negxf2_1): XF mode negation is always done using the x87.
6139 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6141 2006-05-31 Roger Sayle <roger@eyesopen.com>
6143 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6144 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6146 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6148 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6150 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6151 * config/bfin/bfin.c (basic-block.h): Include.
6152 (struct machine_function): New.
6153 (bfin_init_machine_status): New.
6154 (override_options): Initialize init_machine_status.
6155 (bfin_hardware_loop): New.
6156 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6157 (DEF_VEC_P (loop_info)): New.
6158 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6159 (struct loop_info): New.
6160 (loop_info): New typedef.
6161 (struct loop_work): New.
6162 (loop_work): New typedef.
6163 (DEF_VEC_O (loop_work)): New.
6164 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6165 (bfin_dump_loops): New.
6166 (bfin_bb_in_loop): New.
6167 (bfin_scan_loop): New.
6168 (bfin_optimize_loop): New.
6169 (bfin_reorg_loops): New.
6170 (bfin_reorg): Use bfin_reorg_loops.
6171 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6173 (I_REGNO_P): Simplify.
6174 (DP_REGNO_P, DPREG_P): New macros.
6175 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6176 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6177 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6178 Add LT_REGS, LC_REGS, LB_REGS.
6179 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6181 (REGNO_REG_CLASS): Deal with loop registers.
6182 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6184 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6185 New constants for loop registers.
6186 (UNSPEC_LSETUP_END): New.
6187 (seq_insns): New define_attr. Set it for appropriate insns.
6188 (movsi_insn): Add alternatives for move from/to
6189 loop count registers.
6190 (doloop_end): New define_expand.
6191 (loop_end): New define_insn.
6192 (define_split for bad doloop_end): New.
6193 (lsetup_with_autoinit): New define_insn.
6194 (lsetup_without_autoinit): New define_insn.
6195 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6196 * config/bfin/predicates.md (lc_register_operand): New.
6197 (lt_register_operand): New.
6198 (lb_register_operand): New.
6199 (nondp_register_operand): New.
6200 (nondp_reg_or_memory_operand): New.
6201 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6203 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6205 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6206 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6208 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6210 * Makefile.in (CATALOGS): Add po/ prefix.
6211 * configure: Regenerated.
6213 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6216 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6217 a shift operand before calling shift_op. Avoid redundant call of
6220 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6221 DJ Delorie <dj@redhat.com>
6223 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6224 we're inserting is a singlt-bit constant.
6226 2006-05-30 Roger Sayle <roger@eyesopen.com>
6228 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6229 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6231 2006-05-30 Roger Sayle <roger@eyesopen.com>
6233 PR tree-optimization/23452
6234 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6235 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6236 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6237 complex values and with -ffast-math for FP complex values.
6239 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6241 * c-common.h: Remove the prototype for yyparse.
6242 * rtl.h: Remove the prototype for init_loop.
6244 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6246 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6249 2006-05-30 Roger Sayle <roger@eyesopen.com>
6251 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6253 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6254 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6256 2006-05-30 Dirk Mueller <dmueller@suse.de>
6259 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6260 for CONSTANT_CLASS_P expresisons.
6262 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6265 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6267 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6269 PR tree-optimization/27779
6270 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6271 initial_condition instead of CHREC_LEFT.
6273 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6275 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6276 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6277 Make prototypes ISO C90.
6279 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6280 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6282 * see.c (see_analyze_one_def): Correct check.
6283 (see_get_extension_data): Check if extension is parallel.
6284 (see_get_extension_reg): Likewise.
6286 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6289 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6290 into register for (code == GTU).
6292 2006-05-29 Roger Sayle <roger@eyesopen.com>
6294 PR tree-optimization/24964
6295 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6296 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6297 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6298 abs(x)*abs(x) as x*x for scalar floating point modes.
6300 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6303 * lambda-code.c (perfect_nestify): Don't copy statements
6304 in the inner loop: move them to the inner loop header.
6306 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6309 * c-tree.texi: Document OpenMP directives and clauses.
6311 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6313 * varasm.c (globalize_decl): Fix indentation.
6315 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6318 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6319 pass_fre, pass_store_ccp, pass_copy_prop,
6320 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6321 pass_return_slot, pass_object_size, pass_lim,
6322 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6323 pass_loop_prefetch and pass_stdarg.
6325 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6327 * config/bfin/bfin.opt (mfdpic): New option.
6328 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6329 (EXTRA_MULTILIB_PARTS): Likewise.
6330 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6331 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6333 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6334 (CRT_CALL_STATIC_FUNCTION): New.
6335 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6337 (CRT_CALL_STATIC_FUNCTION): New.
6338 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6340 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6341 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6342 (initialize_trampoline): Changed to handle FD-PIC code generation.
6343 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6344 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6345 (override_options): Disallow -mid-shared-library -mfdpic combination.
6346 Can't do unaligned ops if FD-PIC.
6347 Turn off flag_pic if trying to generate non-id-shared-library
6348 non-fdpic code, since it's not supported.
6349 (bfin_assemble_integer): New function.
6350 (TARGET_ASM_INTEGER): Define.
6351 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6353 * config/bfin/crtn.s: Restore them.
6354 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6356 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6357 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6358 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6359 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6360 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6362 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6363 FDPIC_REGS and FDPIC_FPTR_REGS.
6364 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6365 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6366 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6367 (load_funcdescsi): New pattern.
6368 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6369 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6370 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6372 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6374 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6377 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6379 * tree-flow.h: Remove the prototype for add_type_alias.
6380 * tree-ssa-alias.c (add_type_alias): Remove.
6382 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6384 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6385 config/fr30/fr30.md, config/i386/i386-interix.h,
6386 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6387 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6388 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6389 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6390 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6391 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6392 Follow spelling conventions.
6393 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6394 Follow spelling conventions.
6396 2006-05-27 Richard Guenther <rguenther@suse.de>
6399 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6400 to produce a constant of value 1 of generic type.
6402 2006-05-27 Dirk Mueller <dmueller@suse.de>
6404 * cgraphunit.c (decide_is_function_needed): Fix wrong
6407 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6409 PR rtl-optimization/27661
6410 * reload.c (find_reloads): When reloading a VOIDmode constant
6411 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6412 use Pmode as mode of the reload register.
6414 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6416 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6417 is enabled at -O and above.
6419 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6422 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6425 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6428 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6429 for anonymous variables explicitly declared by front ends.
6431 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6433 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6434 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6435 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6436 ref-all pointers, run a finalization pass for them.
6437 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6438 (finalize_ref_all_pointers): New function.
6439 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6440 regular pointer type to a ref-all pointer type.
6441 (get_tmt_for): Return the special memory tag for ref-all pointers.
6443 2006-05-25 Richard Guenther <rguenther@suse.de>
6446 * fold-const.c (fold_binary): Do not look at the stripped
6447 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6449 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6451 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6452 for LT and GT if the computed range is effectively empty.
6454 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6457 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6458 mips_quad_format formats instead of ieee_single_format,
6459 ieee_double_format and ieee_quad_format formats, respectively.
6461 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6463 PR tree-optimization/27639
6464 PR tree-optimization/26719
6465 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6466 call to scev_probably_wraps_p.
6467 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6468 used_in_pointer_arithmetic_p, convert_step): Removed.
6469 (nowrap_type_p): New function.
6470 (scev_probably_wraps_p): Rewritten.
6471 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6472 chrec_convert if chrec_convert_aggressive might have been used.
6473 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6474 scev_direction): New functions.
6475 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6476 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6477 instead of convert_step.
6478 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6479 (convert_step): Declaration removed.
6480 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6482 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6484 * df-core.c: Added to header comments.
6485 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6486 df_ur_bb_info, df_urec_bb_info): Added comments.
6487 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6488 urec, ri problems): Fixed header comments.
6489 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6490 code from df_rd_transfer_function.
6492 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6494 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6495 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6496 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6498 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6500 * expr.c (undefined_operand_subword_p): New.
6501 (emit_move_multi_word): Do not generate move from undefined bits
6502 of a paradoxical subreg.
6504 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6506 PR rtl-optimization/27736
6507 * combine.c (replaced_rhs_value): New variable.
6508 (combine_instructions): Set it.
6509 (distribute_notes): When distributing a note in replaced_rhs_insn,
6510 check whether the value was used in replaced_rhs_value.
6512 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6515 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6516 add_referenced_var instead of add_referenced_tmp_var.
6517 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6518 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6520 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6521 tree_optimize_tail_calls_1): Use add_referenced_var.
6522 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6523 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6524 Use add_referenced_var.
6525 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6526 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6527 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6528 Use add_referenced_var.
6529 * tree-dfa.c (struct walk_state): Remove.
6530 (find_referenced_vars): Remove walk state and vars_found hash table.
6531 (make_rename_temp): Use add_referenced_var.
6532 (find_vars_r): Pass less parameters to add_referenced_var.
6533 (referenced_var_p): New. Is var in referenced_var hash table.
6534 (referenced_var_insert): Assert var isn't already in hash table.
6535 (add_referenced_var): Don't need walk_state parameter. Add var if it
6536 isn't already in the hash table.
6537 (add_referenced_tmp_var): Remove.
6538 (find_new_referenced_vars_1): Use add_referenced_var.
6539 * tree-ssa-pre.c (create_expression_by_pieces,
6540 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6541 Use add_referenced_var.
6542 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6543 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6544 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6546 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6547 vect_create_data_ref_ptr, vect_create_destination_var,
6548 vect_init_vector, vect_build_loop_niters,
6549 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6550 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6551 Use add_referenced_var.
6552 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6553 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6554 (add_referenced_var): Add prototype.
6555 * tree-ssa-structalias.c (get_constraint_for,
6556 intra_create_variable_infos): Use add_referenced_var.
6558 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6560 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6561 big-endian paradoxical subregs.
6562 * var-tracking.c (struct micro_operation_def): Document that,
6563 for modify micro operations, insn is the subsequent instruction.
6564 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6565 (var_reg_set, var_mem_set): ... new functions.
6566 (add_stores): Record subsequent insn.
6567 (compute_bb_dataflow): Use new functions for MO_USE.
6568 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6569 notes after the insn, and modify notes before the insn known
6570 to be the subsequent one.
6571 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6573 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6576 * config/i386/i386.c (ix86_expand_builtin): Use
6577 gen_sse3_monitor64 for TARGET_64BIT.
6579 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6581 PR rtl-optimization/26375
6582 PR rtl-optimization/26855
6583 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6585 (df_ru_bb_local_compute): Reversed statements and removed bogus
6586 comment explaining why they should be in wrong order.
6587 (df_ru_dump, df_rd_dump): Enhanced debug info.
6588 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6590 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6591 reaching uses and fixed space problem.
6593 2006-05-23 Jan Hubicka <jh@suse.cz>
6595 * cgraphunit.c (decide_is_function_needed): Also nested functions
6596 and functions declared inline can be optimized out at -O0.
6598 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6600 * doc/install.texi (Configuration): Remove reference to CrossGCC
6604 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6607 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6608 ix86_compare_emitted is non-NULL.
6610 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6613 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6616 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6618 PR rtl-optimization/25514
6619 * combine.c (replaced_rhs_insn): New variable.
6620 (combine_instructions): Set replaced_rhs_insn when trying to replace
6621 a SET_SRC with a REG_EQUAL note.
6622 (distribute_notes): Use replaced_rhs_insn when determining the live
6623 range of a REG_DEAD register.
6625 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6626 Anatoly Sokolov <aesok@post.ru>
6628 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6629 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6630 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6631 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6632 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6633 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6634 at90usb647, at90usb1286 and at90usb1287 devices.
6635 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6636 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6638 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6640 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6642 2006-05-22 Richard Guenther <rguenther@suse.de>
6645 2006-01-31 Richard Guenther <rguenther@suse.de>
6646 Paolo Bonzini <bonzini@gnu.org>
6648 * doc/install.texi (--disable-libgcc-math): Document.
6650 2006-05-22 Richard Guenther <rguenther@suse.de>
6653 2006-01-31 Richard Guenther <rguenther@suse.de>
6655 * doc/invoke.texi (-msselibm): Document.
6656 * target.h (expand_library_builtin): New target hook.
6657 * builtins.c (expand_builtin): Use expand_library_builtin.
6658 (default_expand_library_builtin): New function.
6659 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6660 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6661 (link_gcc_math_spec): Declare.
6662 (static_specs): Add link_gcc_math_spec.
6663 * expr.h (default_expand_library_builtin): Declare.
6664 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6665 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6666 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6667 * config/i386/i386.opt (msselibm): New target option.
6668 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6669 (ix86_init_sse_abi_builtins): New function.
6670 (ix86_expand_library_builtin): Likewise.
6671 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6672 (override_options): Handle error conditions wrt -msselibm.
6673 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6674 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6675 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6678 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6681 * c-common.c (self_promoting_args_p): Skip erroneous args.
6684 * c-decl.c (finish_struct): Skip erroneous fields.
6686 2006-05-22 Nick Clifton <nickc@redhat.com>
6688 * config/cris/cris.opt (march): Remove VarExists attribute.
6689 (max-stackframe=): Likewise.
6691 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6693 * doc/rtl.texi: Fix a typo.
6694 * see.c: Fix comment typos.
6696 * tree-ssa-structalias.h (alias_info): Remove num_references.
6698 2006-05-21 Mike Stump <mrs@apple.com>
6700 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6702 (darwin_pragma_options): Use BAD instead.
6703 (darwin_pragma_unused): Likewise.
6704 (darwin_pragma_ms_struct): Likewise.
6706 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6708 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6710 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6712 PR rtl-optimization/27671
6713 * simplify-rtx.c (simplify_relational_operation_1): Fix
6714 simplifications of (eq/ne (xor x y) y) and
6715 (eq/ne (xor x y) x).
6717 PR tree-optimization/26622.
6718 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6721 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6723 * tree-cfg.c: Prune whitespace.
6724 (debug_tree_cfg): Point to correct header containing the
6727 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6730 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6732 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6735 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6736 or sorry count is non zero.
6738 2006-05-20 Andreas Schwab <schwab@suse.de>
6740 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6742 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6743 Kenneth Zadeck <zadeck@naturalbridge.com>
6745 PR rtl-optimization/26855
6747 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6749 (df_scan_alloc): Added code to properly handle multiword hard
6750 registers and add all_blocks parameter.
6751 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6752 code to properly handle multiword hard registers.
6753 (df_rescan_blocks): Added code to remove deleted blocks from
6755 (df_ref_create_structure, df_ref_record): Added code to properly
6757 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6758 and set DF_REF_PARTIAL.
6759 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6760 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6761 (df_scan_add_problem): Added flags parameter.
6762 (df_ref_create_structure): Changed switching structure.
6763 (df_bb_refs_record): Fixed case where duplicate artificial refs
6764 were created. Changed location of flags.
6765 (df_record_entry_block_defs): Added code to make stack pointer
6766 live in entry block. Refined cases where frame pointer is needed.
6767 Changed location of flags.
6768 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6769 (df_set_state): Removed function.
6770 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6771 df_insn_create_insn_record, df_insn_refs_delete,
6772 df_ref_create_structure): Formatting changes.
6773 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6774 df_delete_basic_block): New function.
6775 (df_init): Changed location of flags.
6776 (df_add_problem): Added flags parameter and the way flags are
6778 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6779 debug_df_chain): Improved debugging output.
6780 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6781 (df_refs_chain_dump): Removed df parameter.
6782 (df_iterative_dataflow): Added consistency check.
6783 (df_prune_to_subcfg): Made public.
6784 (df_analyze_problem): Added blocks_to_init parameter and made
6786 (df_ref_record, df_bb_refs_record, df_mark_reg,
6787 df_record_exit_block_uses): Whitespace changes.
6788 (df_dump): Whitespace changes.
6789 * df.h: Some reordering to remove forward references.
6790 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6791 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6792 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6793 (dataflow.flags): New field.
6794 (df.flag): Deleted field.
6795 (df_alloc_function): Added additional bitmap parameter.
6796 (df_dependent_problem_function): New type.
6797 (df_problem.changeable_flags): New field.
6798 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6799 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6800 (df_mw_hardreg): New struct.
6801 (DF_INSN_UID_MWS): New macro.
6802 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6804 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6805 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6806 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6807 (df_set_state): Removed function.
6808 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6809 * df-problems.c (df_chain_dump): Removed df parameter.
6810 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6811 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6813 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6814 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6815 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6816 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6817 DF_REF_MUST_CLOBBER cases.
6818 (df_ru_bb_local_compute_process_def,
6819 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6820 df_lr_bb_local_compute, df_ur_bb_local_compute,
6821 df_chain_create_bb): Made subreg aware.
6822 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6823 df_lr_bb_local_compute, df_lr_bb_local_compute,
6824 df_chain_create_bb): Cleanup to use proper macros.
6825 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6826 code to fixup bitvectors.
6827 (df_ri_alloc): Cleared lifetime.
6828 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6829 df_create_unused_note): New function.
6830 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6831 REG_DEAD and REG_UNUSED notes as well as register information.
6832 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6833 df_chains_dump): Fixed crash if problem was never run.
6834 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6835 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6836 df_ri_add_problem): Processes flags in uniform manner.
6837 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6838 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6839 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6840 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6841 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6842 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6843 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6844 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6845 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6846 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6847 * see.c (see_initialize_data): Ditto.
6848 * final.c (rest_of_clean_state) Added regstack_completed.
6849 * rtl.h (regstack_completed): Ditto.
6850 * reg-stack.c (regstack_completed): Ditto.
6852 2006-05-19 Mike Stump <mrs@apple.com>
6854 * c-tree.h (default_conversion): Remove.
6855 * c-common.h (default_conversion): Add.
6857 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6859 * tree-vrp.c (valid_value_p): New function.
6860 (adjust_range_with_scev): Fail if the value of bound is not
6863 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6865 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6866 (mips_fallback_frame_state): Use syscall numbers to determine
6867 the appropriate li instruction for the current ABI. Only use
6868 __NR_sigreturn for o32.
6870 2006-05-19 Nicolas Setton <setton@adacore.com>
6872 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6873 * langhooks.c (lhd_dwarf_name): New function.
6874 * langhooks-def.h (lhd_dwarf_name): Declare.
6875 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6876 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6877 * ada/misc.c (gnat_dwarf_name): New function.
6878 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6880 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6882 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6884 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6885 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6886 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6887 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6888 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6889 determine the size of Wtype, etc.
6890 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6891 (swfloatfuncs): New variable.
6892 (dwfloatfuncs): Likewise.
6893 (lib2funcs): Remove floating-point conversion functions from
6894 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6895 the set of conversion routines needed. Allow entries to specify
6896 an object name, filename and word size. Update users accordingly.
6897 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6898 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6902 2006-02-08 Roger Sayle <roger@eyesopen.com>
6905 * config/fixtfdi.c: New libgcc source file.
6906 * config/fixunstfdi.c: New source file.
6907 * config/floatditf.c: New source file.
6908 * config/floatunditf.c: New souce file.
6909 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6910 files above instead of config/mips/_tilib.c.
6911 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6913 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6915 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6916 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6918 2006-05-18 Mike Stump <mrs@apple.com>
6920 Fix up vla, vm and [*] sematics.
6926 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6927 (c_vla_unspec_p): Add.
6928 (c_vla_type_p): Add.
6929 * c-decl.c (struct c_scope): Add had_vla_unspec.
6930 (build_array_declarator): Add support for [*].
6931 (grokdeclarator): Likewise.
6932 (grokparms): Likewise.
6933 (get_parm_info): Likewise.
6934 * c-objc-common.c (c_vla_unspec_p): Likewise.
6935 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6936 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6937 typeof when argument is a variably modified type not inside sizeof or alignof.
6938 (c_parser_direct_declarator_inner): Propagate errors.
6939 (c_parser_sizeof_expression): Add support for [*].
6940 (c_parser_parms_declarator): Initialize had_vla_unspec.
6941 (c_parser_parms_list_declarator): Likewise.
6942 * c-typeck.c (c_vla_type_p): Add.
6943 (composite_type): Add support for vla compositing.
6944 (comptypes_internal): Add support for vla compatibility.
6945 (c_expr_sizeof_expr): Evaluate vla arguments.
6946 * tree.c (variably_modified_type_p): Update comment for [*].
6948 2006-05-18 Michael Matz <matz@suse.de>
6951 * config.host: Make assignments to host_xmake_file cumulative.
6952 * config.host (*-darwin*): Test $host, not $target.
6954 2006-05-12 Stuart Hastings <stuart@apple.com>
6956 * config/i386/i386.opt (-mstackrealign): New flag.
6957 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6958 (ix86_handle_cconv_attribute): Emit error when
6959 force_align_arg_pointer attribute collides with too many regparms.
6960 (ix86_function_regparm): Limit regparms when used with
6961 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6962 Support stack-realigning prologue in non-main functions. Emit
6963 warning for nested functions under -mstackrealign, emit error for
6964 nested functions with force_align_arg_pointer attribute.
6965 * doc/extend.texi (force_align_arg_pointer): Document it.
6966 * doc/invoke.texi (-mstackrealign): Document it.
6968 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6970 PR rtl-optimization/27477
6971 * combine.c (try_combine): Don't split a parallel consisting
6972 of two sets into two individual sets if both sets reference
6975 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6977 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6978 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6980 * doc/options.texi (VarExists): Updated.
6982 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6984 * unwind-dw2.c: Add declarations for uw_update_context and
6986 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6987 detected, advance frame state and context once to skip over stub.
6989 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6993 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6994 Call rewrite_into_loop_closed_ssa only when something changed.
6995 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6996 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6997 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6998 Test for perfect_nest_p here. Fix formating.
6999 (replace_uses_equiv_to_x_with_y): Fix formating.
7000 (stmt_uses_op): Removed.
7001 (can_convert_to_perfect_nest): Removed loopivs parameter.
7002 Complete the test by checking the scalar dependences.
7003 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7006 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7009 From Dan Kegel <dank@kegel.com>:
7010 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7012 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7014 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7015 if the element type is variably modified without recursing.
7017 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7020 * tree-loop-linear.c (try_interchange_loops): Test for
7021 no data dependences.
7023 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7025 PR tree-optimization/27548
7026 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7027 range of ssa names that appear on abnormal edges.
7028 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7029 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7031 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7034 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7036 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7039 * tree.h (OMP_PARALLEL_COMBINED): Define.
7040 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7041 (new_omp_context): Add is_combined_parallel argument.
7042 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7043 new_omp_context caller.
7044 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7045 Adjust gimplify_scan_omp_clauses callers.
7046 (omp_is_private): Issue errors if iteration variable is firstprivate
7047 or reduction in the current context.
7048 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7049 on combined parallel workshare constructs.
7051 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7053 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7054 (gcc-options.o): New rule.
7056 * optc-gen.awk: Protect variables for gcc-options.o with
7057 #ifdef GCC_DRIVER/#endif.
7059 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7061 Fix PR tree-optimization/27373
7062 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7063 (forward_propagate_addr_expr): Update call.
7065 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7067 * doc/options.texi: Move the Negative option.
7069 2006-05-16 Richard Guenther <rguenther@suse.de>
7071 PR tree-optimization/22303
7072 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7074 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7075 ccp_fold did not simplify the statement.
7077 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7080 * Makefile.in (GCC_OBJS): New.
7081 (OBJS-common): Add opts-common.o.
7082 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7083 (cpp$(exeext)): Likewise.
7084 (gcc.o): Also depend on opts.h.
7085 (opts-common.o): New.
7087 * common.opt (gcoff): Add Negative(gdwarf-2).
7088 (gdwarf-2): Add Negative(gstabs).
7089 (gstabs): Add Negative(gstabs+).
7090 (gstabs+): Add Negative(gvms).
7091 (gvms): Add Negative(gxcoff).
7092 (gxcoff): Add Negative(gxcoff+).
7093 (gxcoff+): Add Negative(gcoff).
7094 * config/i386/i386.opt (m32): Add Negative(m64).
7095 (m64): Add Negative(m32).
7097 * doc/options.texi: Document the Negative option.
7099 * gcc.c: Include "opts.h".
7100 (main): Call prune_options after expandargv.
7102 * optc-gen.awk: Generate common declarations for all flag
7103 variables in options.c. Output the neg_index field.
7105 * opts.c (find_opt): Moved to ...
7106 * opts-common.c: Here. New file.
7108 * opts.h (cl_option): Add a neg_index field.
7110 (prune_options): Likewise.
7112 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7115 * omp-low.c (expand_omp_parallel): Don't assert
7116 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7117 instead search for it.
7120 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7123 2006-05-16 Andreas Schwab <schwab@suse.de>
7125 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7128 2006-05-15 Roger Sayle <roger@eyesopen.com>
7131 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7132 integer constants other than zero are only legitimate on TARGET_64BIT.
7133 <CONST_VECTOR> Only zero vectors are legitimate.
7134 (ix86_cannot_force_const_mem): Integral and vector constants can
7135 always be put in the constant pool.
7137 2006-05-16 DJ Delorie <dj@redhat.com>
7139 * crtstuff.c (__dso_handle): Set section from
7140 TARGET_LBIGCC_SDATA_SECTION if defined.
7141 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7142 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7144 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7147 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7150 2006-05-16 Ben Elliston <bje@au.ibm.com>
7152 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7154 2006-05-15 Per Bothner <per@bothner.com>
7156 * tree.c: (last_annotated_node): Use source_locus typedef.
7157 This permits bootstrapping with --enable-mapped-location.
7159 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7161 PR tree-optimization/26830
7162 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7163 (info_for_ssa_name, current_info_for_ssa_name_age,
7164 blocks_to_update): New variables.
7165 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7166 (clear_ssa_name_info, initialize_flags_in_bb,
7167 mark_block_for_update): New functions.
7168 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7169 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7170 prepare_def_site_for): Use mark_block_for_update.
7171 (mark_def_interesting): Assert that the processed block is marked in
7172 blocks_to_update. Do not take blocks argument.
7173 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7175 (rewrite_update_init_block, rewrite_update_stmt): Only process
7176 blocks with statements to rewrite.
7177 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7178 (update_ssa): Initialize and free blocks_to_update. Do not
7179 clear flags on statements. Do not use blocks bitmap.
7180 * tree.h (SSA_NAME_AUX): Removed.
7181 (struct tree_ssa_name): Removed aux field.
7182 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7184 2006-05-15 Richard Guenther <rguenther@suse.de>
7186 PR tree-optimization/27603
7187 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7188 Do computations in original type.
7190 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7192 * see.c: Code style changes such as redundant paranthesis,
7193 redundant intialization of local variables etc.
7194 (see_main): Declared now as static.
7195 * doc/invoke.texi: Update that -fsee is not enabled by
7198 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7200 * omp-low.c (check_omp_nesting_restrictions): New function.
7201 (scan_omp_1): Call it.
7204 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7205 construct, return *VAR.
7207 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7209 PR rtl-optimization/27406
7210 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7213 2006-05-14 Roger Sayle <roger@eyesopen.com>
7215 PR rtl-optimization/27538
7216 * combine.c (expand_compound_operation): Call gen_lowpart
7217 before calling simplify_shift_const.
7219 2006-05-14 Roger Sayle <roger@eyesopen.com>
7221 PR rtl-optimization/22563
7222 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7223 a fixed width bitfield, always force the intermediates into psuedos.
7225 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7228 * mkconfig.sh: Use operator = instead of == for test.
7230 2006-05-13 Nick Clifton <nickc@redhat.com>
7232 * dwarf2out.c (dbx_reg_number): Check return value from
7233 LEAF_REG_REMAP and only use it if it is valid.
7234 (multiple_reg_loc_descriptor): Likewise.
7236 2006-05-13 Richard Guenther <rguenther@suse.de>
7238 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7241 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7243 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7244 information attached to non-INSNs such as NOTEs.
7245 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7247 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7249 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7251 * config/s390/s390.md: Adjust comment describing On constraint.
7253 2006-05-11 Jan Hubicka <jh@suse.cz>
7255 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7256 to be output at -O0.
7258 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7261 * fold-const.c (size_binop): Move sanity check for arguments to
7262 the beginning of the function.
7265 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7268 2006-05-11 Richard Guenther <rguenther@suse.de>
7271 * fold-const.c (fold_unary): Handle intermediate conversion
7272 to a pointer type like intermediate conversion to an integer
7273 type in folding of (T1)(T2)var to var.
7274 Match the code to the comment in the final conversion for
7275 (T1)(T2)var to (T1)var regarding to type precision. Rather
7276 than disallow T1 being of pointer type, assert that both T1
7277 and var are of pointer type or not. Make sure not to fall
7278 over the frontends lazyness wrt array to pointer decay though.
7280 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7282 * arm.c (arm_struct_value_rtx): Delete.
7283 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7284 (arm_init_cumulative_args): Always initialize nregs to zero.
7286 2006-05-10 Richard Guenther <rguenther@suse.de>
7288 PR tree-optimization/27532
7289 * tree-object-size.c (plus_expr_object_size): Fix typo.
7291 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7294 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7295 ashrdi_const, ashrdi3): Use a scratch register.
7297 2006-05-10 Richard Guenther <rguenther@suse.de>
7299 PR tree-optimization/27302
7300 * fold-const.c (operand_equal_p): For two comparisons,
7301 try comparison of one comparison code swapped if that yields
7304 2006-05-10 Ben Elliston <bje@au.ibm.com>
7306 * tree-pretty-print.c (pretty_print_string): No need to handle
7307 '\0' as a special character.
7309 * tree.h: Include "hashtab.h".
7310 (iterative_hash_expr): Use hashval_t in its prototype.
7311 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7313 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7316 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7317 (hppa*64*-*-hpux11*): Ditto.
7318 (hppa[12]*-*-hpux11*): Ditto.
7320 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7323 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7325 2006-05-09 Michael Matz <matz@suse.de>
7327 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7328 host_extra_gcc_objs and host_xmake_file.
7329 (<*-*-linux*>): Don't overwrite host_xmake_file.
7330 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7331 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7332 (host_detect_local_cpu): Declare.
7333 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7334 * config/i386/i386.c (override_options): Handle -mtune=native
7336 * config/i386/x-i386: New file.
7337 * config/i386/driver-i386.c: New file.
7338 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7341 2006-05-09 Dirk Mueller <dmueller@suse.de>
7342 Richard Guenther <rguenther@suse.de>
7345 * fold-const.c (fold_read_from_constant_string): Relax check
7346 for matching types to matching modes.
7348 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7350 PR rtl-optimization/27335
7351 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7354 2006-05-08 Chao-ying Fu <fu@mips.com>
7355 Richard Sandiford <richard@codesourcery.com>
7357 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7358 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7359 * config/mips/mips.md (UNSPEC_SCC): New constant.
7360 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7361 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7362 (mips_emit_compare): Use it.
7363 (mips_expand_vcondv2sf): New function.
7365 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7367 Fix PR tree-optimization/27093
7368 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7369 renaming when they become not-used_alone.
7371 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7373 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7374 relocation and relocation stubs.
7376 2006-05-08 Eric Christopher <echristo@apple.com>
7378 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7381 2006-05-08 Jan Hubicka <jh@suse.cz>
7384 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7385 unused static functions are needed.
7387 2006-05-08 Roger Sayle <roger@eyesopen.com>
7390 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7391 of a reg_equiv_constant if the result is a legitimate constant.
7393 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7396 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7397 standard 80387 constants, raise the cost to prevent
7398 compress_float_constant() to generate load from memory.
7400 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7402 * config/arm/constraints.md (c): Fix a typo.
7404 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7407 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7410 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7412 (_mm_mwait): Likewise.
7414 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7416 (sse3_monitor): Make it 32bit only.
7417 (sse3_monitor64): New. 64bit monitor.
7419 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7422 * config/i386/i386.c (classify_argument): Skip fields with invalid
7425 2006-05-07 Richard Guenther <rguenther@suse.de>
7427 PR tree-optimization/27409
7428 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7429 Do not try to find zero-sized subvars.
7431 2006-05-07 Richard Guenther <rguenther@suse.de>
7433 PR tree-optimization/27136
7434 * tree-ssa-loop-niter.c (get_val_for): Correct function
7435 comment, assert requirements.
7436 (loop_niter_by_eval): Stop processing if the iterated
7437 value did not simplify.
7439 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7441 * opts.c (flag_see): remove its setting at -O3.
7443 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7445 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7446 * arm/constraints.md: New file.
7447 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7448 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7449 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7450 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7451 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7452 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7453 * arm.md: Include constraints.md.
7454 (thumb_movsi_insn): Use satisfies_constraint_J.
7455 (movhi, movqi): Use satisfies_constraint_I.
7457 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7459 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7460 for atmeg a645 device.
7462 2006-05-06 Richard Guenther <rguenther@suse.de>
7464 PR tree-optimization/27151
7465 * tree-vect-transform.c (vectorizable_condition): Punt on
7466 values that have a different type than the condition.
7468 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7471 * c-parser.c (c_parser_cast_expression): Only insert casts into
7472 hash table if pointer.
7473 * function.c (used_types_insert_helper): Rename from
7475 (used_types_insert): Call used_types_insert_helper.
7476 * function.h (used_types_insert): Accept only one argument.
7478 2006-05-05 David Edelsohn <edesohn@gnu.org>
7480 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7481 scratch with output modifier.
7483 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7486 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7487 with output modifier.
7489 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7492 * config/mips/mips.c (mips_symbolic_address_p): Return true
7493 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7494 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7496 2006-05-04 Richard Guenther <rguenther@suse.de>
7498 PR tree-optimization/14287
7499 PR tree-optimization/14844
7500 PR tree-optimization/19792
7501 PR tree-optimization/21608
7502 PR tree-optimization/27090
7503 * tree-ssa-pre.c (try_combine_conversion): New function.
7504 (compute_avail): After constructing the value-handle
7505 expression, use try_combine_conversion to combine NOP_EXPRs
7506 with previous value-handle expressions and use the result if it
7509 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7511 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7513 2006-05-04 Jan Hubicka <jh@suse.cz>
7516 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7518 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7520 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7521 that this only matches CONST_INTs. All users changed to VOIDmode
7524 * config/bfin/bfin.c: Include "optabs.h".
7525 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7527 (enum bfin_builtins): Add a number of fractional and vector builtins.
7528 (bfin_init_builtins): Likewise.
7529 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7530 (safe_vector_operand, bfin_expand_binop_builtin,
7531 bfin_expand_unop_builtin): New functions.
7532 (bfin_expand_builtin): Handle the new builtins.
7533 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7536 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7539 * Makefile.in (OBJS-common): Add see.o.
7540 (see.o): Add dependencies.
7541 * common.opt (fsee): New flag for the see optimization was added.
7542 * opts.c (flag_see): Initialized.
7543 * passes.c (init_optimization_passes, pass_see): New pass.
7544 * rtl.h (see_main): Declaration as extern.
7545 * timevar.def (TV_SEE): New.
7546 * tree-pass.h (pass_see): Declaration as extern.
7547 * invoke.texi (-fsee): Document.
7548 * recog.c (validate_simplify_insn): New function.
7549 * recog.h (validate_simplify_insn): Declaration as extern.
7550 * df-problems.c (df_chain_dump): Check for NULL.
7552 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7553 Daniel Berlin <dberlin@dberlin.org>
7555 * cfgrtl.c (insert_insn_bb_end_new): New function.
7556 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7558 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7560 * df.h (struct web_entry): Moved from web.c.
7561 (union_defs): Declaration as extern.
7562 (unionfind_root): Likewise.
7563 (unionfind_union): Likewise.
7564 * web.c (struct web_entry): Moved to df.h.
7565 (unionfind_root): Remove static declaration.
7566 (unionfind_union): Likewise.
7567 (union_defs): Likewise and generalize to use callback function.
7568 (web_main): Update arguments for union_defs function call.
7570 2006-05-04 Richard Guenther <rguenther@suse.de>
7572 PR tree-optimization/26447
7573 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7574 produce SSA_NAME copies before the store stmt to avoid
7575 breaking exception handling.
7577 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7580 * gimplify.c (omp_is_private): If var is shared in some outer context,
7581 return false instead of true. Stop searching on parallel context
7584 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7587 * coverage.c: Use get_gcov_unsigned_t() instead of
7588 unsigned_type_node all over.
7590 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7592 PR tree-optimization/27381
7593 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7594 maintain the same immediate_use links.
7595 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7596 node rather than segfaulting.
7598 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7601 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7602 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7603 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7605 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7607 Fix PR tree-optimization/26626
7608 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7610 * tree-ssa-operands.c (access_can_touch_variable): Allow
7611 typecasting through union pointers.
7613 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7616 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7617 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7618 to find if var will be a global variable even in the nested context.
7619 (omp_copy_decl): Only check for global variable at the end, it might
7620 be overridden in outer contexts.
7621 (scan_sharing_clauses): For global variables don't create a field.
7622 (lower_rec_input_clauses): Do nothing for global shared variables.
7623 Emit a barrier at the end of ILIST if there were any decls in both
7624 firstprivate and lastprivate clauses.
7625 (lower_send_clauses): Do nothing for global variables except for
7628 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7630 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7631 of the correct signedness is returned.
7633 2006-05-02 Jeff Law <law@redhat.com>
7635 PR tree-optimization/27364
7636 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7637 multiply expressions.
7639 2006-05-02 Tom Tromey <tromey@redhat.com>
7641 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7643 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7646 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7647 -mthumb -fPIC are used.
7649 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7650 Joshua Kinard <kumba@gentoo.org>
7653 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7654 with 64-bit pointers.
7656 2006-05-02 Paul Brook <paul@codesourcery.com>
7658 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7660 (create_fix_barrier): Check that a suitable barrier location is
7662 (arm_reorg): Include ftmp->address in allowable range of addresses.
7664 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7667 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7670 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7673 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7674 around RESULT_DECL for result passed by reference.
7675 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7676 * omp-low.c (use_pointer_for_field): Don't look at
7677 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7678 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7679 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7680 time or var for passing by reference for
7681 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7682 TREE_ADDRESSABLE variables when passing by reference.
7684 * omp-low.c (dump_omp_region): Fix output formatting.
7687 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7688 (expand_omp_parallel): Likewise.
7689 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7692 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7693 on statement list containing also constructors and destructors.
7694 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7697 * except.c (duplicate_eh_regions): Fix clearing of
7698 cfun->eh->region_array entries.
7700 2006-05-01 DJ Delorie <dj@redhat.com>
7702 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7704 (gcc_cv_objdump): Likewise.
7705 * configure: Regenerated.
7707 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7710 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7711 templates for case 3 and 4.
7713 2006-05-01 DJ Delorie <dj@redhat.com>
7715 * vec.c: Include bconfig.h when appropriate.
7716 * Makefile.in (build/vec.o): Adjust dependencies.
7717 * mkconfig.sh: Make sure config.h isn't used for build machine
7720 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7722 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7724 (mark_phi_for_rewrite): New function.
7725 (insert_phi_nodes_for, mark_use_interesting): Call
7726 mark_phi_for_rewrite.
7727 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7728 (update_ssa): Initialize and free phis_to_rewrite.
7730 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7732 PR rtl-optimization/27291
7733 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7734 folded to a constant.
7736 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7738 PR tree-optimization/27283
7739 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7740 not whole # of iteration descriptions.
7741 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7742 uses abnormal ssa name.
7743 (niter_for_single_dom_exit): Ditto.
7744 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7745 return just the number of iterations.
7747 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7749 PR tree-optimization/27144
7750 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7751 (record_estimate): Only record constant upper bound.
7752 (infer_loop_bounds_from_undefined): Call
7753 compute_estimated_nb_iterations just once.
7754 (proved_non_wrapping_p): Renamed to ...
7755 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7756 (convert_step_widening, scev_probably_wraps_p): Call
7757 n_of_executions_at_most instead of proved_non_wrapping_p.
7758 (substitute_in_loop_info): Do not replace values in bounds.
7759 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7762 2006-05-01 Richard Henderson <rth@redhat.com>
7765 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7766 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7769 2006-05-01 Roger Sayle <roger@eyesopen.com>
7771 * c-typeck.c (parser_build_binary_op): Don't call the function
7772 unsigned_conversion_warning to spot operand/result type overflow.
7773 (build_binary_op): Instead, call convert_and_check instead of
7774 convert to report the problem when the operands are promoted.
7775 * c-common.c (unsigned_conversion_warning): Make static.
7776 * c-common.h (unsigned_conversion_warning): Delete prototype.
7778 2006-05-01 Richard Guenther <rguenther@suse.de>
7780 PR tree-optimization/26726
7781 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7783 (find_interesting_uses_address): ... we work around here
7784 by folding INDIRECT_REFs in the substituted base.
7786 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7788 * omp-low.c (dump_omp_region): Add newlines.
7790 2006-04-30 Roger Sayle <roger@eyesopen.com>
7792 * common.opt (Woverflow): New command line option.
7793 * c-common.c (constant_expression_warning): Check warn_overflow.
7794 (overflow_waring): Pass OPT_Woverflow to warning.
7795 (unsigned_conversion_warning): Likewise.
7796 (convert_and_check): Likewise.
7797 * doc/invoke.texi: Document new command line option.
7799 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7801 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7802 TARGET_NO_FP_IN_TOC for section anchors.
7803 (optimization_options): Enable section anchors for all
7804 non-"Objective" languages.
7806 2006-04-28 Eric Christopher <echristo@apple.com>
7808 * config/darwin-c.c (darwin_ms_struct): Move this
7809 (darwin_set_default_type_attributes): and this...
7810 * config/darwin.c: ... here.
7811 * config/darwin.h (darwin_ms_struct): Declare.
7813 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7815 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7817 2006-04-28 Roger Sayle <roger@eyesopen.com>
7820 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7821 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7822 an unsigned HOST_WIDE_INT.
7823 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7825 (really_start_incremental_init): No need to call convert because
7826 bitsize_zero_node is already of type bitsizetype.
7827 (push_init_level): Extract the value of constructor_index as an
7828 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7829 (process_init_element): Likewise.
7831 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7833 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7834 value before passing to make_relative_prefix.
7836 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7839 * builtins.c (expand_builtin_memset): Expand val in original mode.
7841 2006-04-27 Eric Christopher <echristo@apple.com>
7843 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7844 with #ifndef/#endif.
7845 * config/darwin-c.c (darwin_ms_struct): New.
7846 (darwin_pragma_ms_struct): Ditto.
7847 (darwin_set_default_type_attributes): Ditto.
7848 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7849 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7850 Register ms_struct pragma.
7851 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7852 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7853 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7854 darwin_set_default_type_attributes if TARGET_MACHO.
7856 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7858 PR tree-optimization/26854
7859 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7860 * doc/tree-ssa.texi: Update immuse iterator documentation.
7861 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7862 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7863 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7864 first_safe_imm_use, next_safe_imm_use): Remove.
7865 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7866 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7867 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7868 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7869 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7870 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7871 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7872 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7873 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7874 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7875 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7876 (perfect_nestify): Use new iterator.
7877 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7879 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7880 (next_imm_name): New field in struct immediate_use_iterator_d.
7881 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7882 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7883 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7884 * tree-cfg.c (replace_uses_by): Use new iterator.
7885 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7886 * tree-ssa-operands.c (correct_use_link): Remove.
7887 (finalize_ssa_use_ops): No longer call correct_use_link.
7889 2006-04-27 Stuart Hastings <stuart@apple.com>
7891 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7892 * config/t-darwin (crt3.o): Use it.
7893 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7894 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7895 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7896 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7897 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7900 2006-04-27 Roger Sayle <roger@eyesopen.com>
7902 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7903 size, force the intermediate into a new pseudo rather instead of
7904 performing both a bitwise AND and a bitwise IOR in memory.
7906 2006-04-27 Richard Guenther <rguenther@suse.de>
7908 PR rtl-optimization/26685
7909 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7910 this one "max-flow-memory-locations".
7912 2006-04-27 Richard Guenther <rguenther@suse.de>
7914 PR tree-optimization/25148
7915 * tree-vrp.c (compare_values): Remove code dealing with
7916 comparisons against type min/max value. Honour overflow
7917 and negative constants in code dealing with comparisons
7918 of plus and minus expressions.
7919 (value_inside_range): Use fold_binary with LE_EXPR and
7920 GE_EXPR rather than compare_values.
7922 2006-04-27 Dirk Mueller <dmueller@suse.de>
7924 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7927 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7929 * basic-block.h (safe_insert_insn_on_edge): Removed.
7930 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7932 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7933 Paolo Bonzini <bonzini@gnu.org>
7936 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7937 (simplify_and_const_int): Same.
7939 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7941 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7943 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7946 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7947 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7948 cgraph_global_info_ready.
7951 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7954 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7955 either decl or init is error_mark_node.
7958 * tree-flow.h (struct omp_region): Add sched_kind.
7959 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7960 instead of extracting omp for data.
7961 (expand_omp_for): Save extracted sched_kind.
7963 2006-04-25 Roger Sayle <roger@eyesopen.com>
7965 * expmed.c (store_bit_field): Also check whether the bitsize is
7966 valid for the machine's "insv" instruction before moving the
7967 target into a pseudo for use with the insv.
7968 * config/i386/predicates.md (const8_operand): New predicate.
7969 * config/i386/i386.md (extv, extzv, insv): Use the new
7970 const8_operand predicate where appropriate.
7972 2006-04-25 DJ Delorie <dj@redhat.com>
7974 * doc/install.texi (Specific): Clarify that this is not a list of
7975 supported hosts or targets.
7977 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7979 PR rtl-optimization/26725
7980 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7981 block's BB_DIRTY flag.
7983 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7985 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7988 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7989 to print an integer.
7991 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7993 * varasm.c (align_variable): New function.
7994 (get_block_for_decl): Apply align_variable to DECL before
7995 calculating section information.
7996 (assemble_variable): Split out alignment computation.
7998 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8000 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8003 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8005 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8006 MODE_PARTIAL_INT mode.
8007 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8008 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8010 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8011 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8013 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8015 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8017 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8018 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8019 MACFLAG_IH): Likewise.
8020 (movstricthi_1): Renamed from "*movstricthi".
8021 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8022 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8023 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8024 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8025 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8026 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8027 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8028 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8029 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8030 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8031 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8032 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8033 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8034 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8035 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8037 * doc/rtl.texi (ss_ashift): Improve wording.
8039 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8041 * dwarf2out.c (verify_marks_clear): New.
8042 (prune_unused_types): Call verify_marks_clear initially, not
8045 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8047 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8048 * doc/rtl.texi: Document them.
8049 * simplify-rtx.c (simplify_unary_operation,
8050 simplify_binary_operation_1): Don't abort when we see them.
8052 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8055 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8056 * configure.ac: Completely disregard languages that are not
8058 * configure: Regenerated.
8060 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8061 Richard Guenther <rguenther@suse.de>
8063 PR tree-optimization/27236
8064 * tree-inline.c (copy_body_r): Make sure to copy
8065 TREE_THIS_VOLATILE flag.
8067 2006-04-24 Richard Guenther <rguenther@suse.de>
8070 * tree-complex.c (update_parameter_components): Don't handle
8071 unused parameters which have no default def.
8073 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8074 Richard Guenther <rguenther@suse.de>
8076 PR tree-optimization/27218
8077 * tree-inline.c (expand_call_inline): Strip useless type
8078 conversions for the return slot address.
8080 2006-04-24 Richard Guenther <rguenther@suse.de>
8082 * cfgloop.h (struct loops): Remove unused field array. Reorder
8084 (LOOP_PREFETCH): Remove.
8086 2006-04-24 Richard Guenther <rguenther@suse.de>
8088 PR tree-optimization/22525
8089 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8090 variable, adjust types of generated expressions.
8092 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8094 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8095 (tree-vect-patterns.o): Likewise.
8097 (cselib.o): Likewise.
8098 (loop-doloop.o): Likewise.
8099 (regclass.o): Likewise.
8100 (reload1.o): Likewise.
8101 (explow.o): Replace target.h with $(TARGET_H).
8102 (ipa-prop.o): Likewise.
8103 (ipa-cp.o): Likewise.
8104 (ipa-inline.o): Likewise.
8105 (reorg.o): Likewise.
8106 (reg-stack.o): Likewise.
8108 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8110 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8112 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8114 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8116 * configure.ac: Completely disregard languages that are not
8118 * configure: Regenerated.
8121 * c-common.h (c_build_bitfield_integer_type): Declare.
8122 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8123 * c-common.c (c_build_bitfield_integer_type): ... here.
8125 2006-04-23 Roger Sayle <roger@eyesopen.com>
8128 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8129 a SImode SUBREG of a floating point register after no_new_pseudos.
8131 2006-04-23 Roger Sayle <roger@eyesopen.com>
8133 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8134 identify potentially eliminable registers to additionally catch
8135 VIRTUAL_INCOMING_ARGS_REGNUM.
8136 (addsi3): Update the conditions on when to use addsi_small_int.
8138 2006-04-23 Roger Sayle <roger@eyesopen.com>
8141 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8142 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8143 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8145 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8147 * fold-const.c (range_predecessor): Use operand_equal_p
8148 as the predicate for equality.
8149 (range_successor): Likewise.
8151 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8154 * config/soft-fp/op-common.h: Fix a typo.
8156 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8159 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8160 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8162 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8164 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8166 * doc/tm.texi: Fix a typo.
8168 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8170 * dwarf2out.c (struct die_struct): Document that die_sib makes
8171 a circular linked list.
8172 (FOR_EACH_CHILD): New.
8173 (reverse_die_lists): Delete.
8174 (reverse_all_dies): Delete.
8175 (add_dwarf_attr): Correct documentation.
8176 (remove_child_with_prev): New.
8177 (remove_child_TAG): Update for change to die_struct, use
8178 remove_child_with_prev.
8179 (add_child_die): Update for change to die_struct.
8180 (splice_child_die): Use remove_child_with_prev and add_child_die.
8181 (print_die): Use FOR_EACH_CHILD.
8182 (die_checksum): Likewise.
8183 (assign_symbol_names): Likewise.
8184 (output_location_lists): Likewise.
8185 (build_abbrev_table): Likewise.
8186 (calc_die_sizes): Likewise.
8187 (mark_dies): Likewise.
8188 (unmark_dies): Likewise.
8189 (unmark_all_dies): Likewise.
8190 (output_die): Likewise.
8191 (prune_unused_types_mark): Likewise.
8192 (prune_unused_types_walk): Likewise.
8193 (same_die_p): Update for change to die_struct.
8194 (break_out_includes): Likewise.
8195 (prune_unused_types_prune): Likewise.
8196 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8197 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8199 (dwarf2out_finish): Don't call reverse_all_dies.
8201 2006-04-21 Eric Christopher <echristo@apple.com>
8203 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8204 in comments and function names.
8206 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8209 * c-typeck.c (digest_init): Robustify.
8211 * c-typeck.c (pop_init_level): Simplify.
8213 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8215 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8217 2006-04-21 Paul Brook <paul@codesourcery.com>
8219 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8220 hardware floating point.
8222 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8224 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8227 2006-04-21 Nick Clifton <nickc@redhat.com>
8229 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8232 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8235 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8236 C++ lang type in traceback table for Objective-C++.
8238 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8240 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8242 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8244 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8247 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8248 were errors. Remove check for erroneous objects.
8250 2006-04-20 Jeff Law <law@redhat.com>
8252 PR tree-optimization/26854
8253 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8254 checking for zero or one use.
8255 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8256 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8257 * tree-ssa-reassoc.c (negate_value): Similarly.
8258 (reassociate_bb): Similarly.
8260 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8262 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8263 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8264 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8266 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8268 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8269 fp regs if the last fp arg doesn't fit in regs.
8271 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8274 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8275 that the last insn has the REG_INC note.
8277 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8278 Nathan Sidwell <nathan@codesourcery.com>
8281 * stor-layout.c (update_alignment_for_field): Do not align
8283 (place_union_field): Place union field at the start of the union.
8284 (place_field): Move ERROR_MARK check later, and use the current
8285 allocation position to maintain monotonicity.
8287 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8289 * dominance.c: Include timevar.h.
8290 (calculate_dominance_info): Use TV_DOMINANCE.
8291 * timevar.def (TV_DOMINANCE): New timevar.
8292 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8294 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8296 PR rtl-optimization/14261
8297 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8298 move would be an INSV insn.
8299 (noce_process_if_block): Don't optimize if the destination is a
8300 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8302 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8304 * config/s390/s390.md: Add comments with the instructions emitted
8305 by an insn pattern if macros are used.
8307 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8309 PR rtl-optimization/26026
8310 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8311 is a known power of two shifted left a variable amount.
8313 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8315 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8316 to hash table twice when the debug_str section has SECTION_MERGE.
8318 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8320 * config/soft-fp: New directory. From glibc.
8321 * config/soft-fp/t-softfp: New.
8322 * config/soft-fp/README: New.
8323 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8324 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8325 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8326 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8327 * config.gcc: Use rs6000/t-fprules-fpbit or
8328 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8330 * config/rs6000/sfp-machine.h: New. Based on glibc.
8331 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8333 * config/rs6000/t-fprules: Remove fp-bit rules.
8334 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8335 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8336 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8337 (softfp_wrap_start, softfp_wrap_end): New.
8339 2006-04-18 DJ Delorie <dj@redhat.com>
8341 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8343 2006-04-18 Devang Patel <dpatel@apple.com>
8345 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8347 2006-04-18 Nick Clifton <nickc@redhat.com>
8349 * config/sh/t-symbian: Add rule to build sh-c.o
8350 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8351 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8352 (sh_symbian_encode_section_info): Likewise.
8354 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8356 * builtins.c (expand_builtin_strcmp): Cover label definition of
8357 do_libcall with HAVE_cmpstrnsi.
8359 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8361 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8363 * function.h (temp_slot_p): New.
8364 (function): Change the type of x_used_temp_slots to
8365 VEC(temp_slot_p,gc) *.
8367 2006-04-18 Nick Clifton <nickc@redhat.com>
8369 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8370 flag_strength_reduce.
8372 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8374 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8378 Partial revert of revision 112637
8379 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8380 Dale Johannesen <dalej@apple.com>
8383 * regclass.c (struct reg_pref): Update documentation.
8384 (regclass): Set prefclass to NO_REGS if memory is the best option.
8385 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8387 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8389 PR tree-optimization/26821
8390 * tree-ssa-math-opts.c (get_constant_one): New.
8391 (insert_reciprocals): Use it.
8393 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8395 * dwarf2out.c (free_AT): Delete.
8396 (remove_AT): Update string ref counts.
8397 (remove_child_TAG): Don't call free_die.
8399 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8400 or DW_TAG_GNU_EINCL.
8401 (prune_unused_types_walk_attribs): Reset string refcounts.
8402 (prune_unused_types_update_strings): New.
8403 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8404 call free_die. Do call prune_unused_types_update_strings.
8405 (prune_unused_types): Empty debug_str_hash.
8407 2006-04-17 Roger Sayle <roger@eyesopen.com>
8409 * expr.c (expand_assignment): Optimize away no-op moves where the
8410 source and destination are equal and have no side-effects.
8412 2006-04-17 Richard Guenther <rguenther@suse.de>
8415 * reload.c (push_reload): Guard calls to get_secondary_mem
8418 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8420 * alias.c (reg_base_value, old_reg_base_value): Change the
8421 type to VEC(rtx,gc) *.
8422 (REG_BASE_VALUE, find_base_value, record_set,
8423 init_alias_analysis): Use VEC instead of VARRAY.
8425 * alias.c (alias_sets): Change the type to
8426 VEC(alias_set_entry,gc) *.
8427 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8428 VEC instead of VARRAY.
8429 (last_alias_set): Remove.
8431 * cgraph.h (cgraph_edge_p): New.
8432 Update the prototype of cgraph_function_versioning.
8433 * cgraphunit.c (cgraph_copy_node_for_versioning,
8434 cgraph_function_versioning): Use VEC instead of VARRAY.
8435 * ipa-cp.c (ipcp_insert_stage): Likewise.
8437 2006-04-16 Roger Sayle <roger@eyesopen.com>
8440 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8441 "A op B" or "A op C", we may need to convert A to the type of B and C.
8443 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8445 * target.h (struct gcc_target): Add mode_rep_extended.
8446 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8447 (init_num_sign_bit_copies_in_rep): Initialize it using
8449 (truncate_to_mode): Use it.
8450 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8451 * targhooks.h (default_mode_rep_extended): Declare it.
8452 * targhooks.c (default_mode_rep_extended): Define it.
8453 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8454 default_mode_rep_extended.
8455 (TARGET_INITIALIZER): Include it.
8456 * doc/tm.texi (Misc): Document it.
8457 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8458 (mips_truncated_to_mode): New function.
8460 2006-04-16 Roger Sayle <roger@eyesopen.com>
8463 * expr.c (compress_float_constant): Copy the narrow constant into
8464 a new pseudo before extending it to its final width.
8466 2006-04-16 Roger Sayle <roger@eyesopen.com>
8467 Andrew Pinski <pinskia@gcc.gnu.org>
8468 Dale Johannesen <dalej@apple.com>
8471 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8472 special case code to implement V8HImode and V16QImode with SSE2.
8474 2006-04-15 Roger Sayle <roger@eyesopen.com>
8476 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8477 trees are constructed with a suitable tree type.
8479 2006-04-15 Roger Sayle <roger@eyesopen.com>
8481 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8482 (integer_onep): Likewise.
8483 (integer_all_onesp): Likewise.
8484 (integer_pow2p): Likewise.
8485 (integer_nonzerop): Likewise.
8486 (real_zerop): Likewise.
8487 (real_onep): Likewise.
8488 (real_twop): Likewise.
8489 (real_minus_onep): Likewise.
8490 (int_size_in_bytes): Likewise.
8491 (host_integerp): Likewise.
8493 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8495 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8496 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8497 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8499 * tree-ssa-structalias.h (alias_info): Remove num_references.
8501 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8503 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8504 (output_bvb patterns): Likewise.
8505 * pa.c (output_bb): Use 'bb' insn for long branch case.
8506 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8507 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8508 1. Correct length operand for alternatives 1 and 2.
8509 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8510 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8512 2006-04-14 Roger Sayle <roger@eyesopen.com>
8514 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8515 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8516 were accidentally reverted by r112959.
8518 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8521 * except.h (eh_region_outermost): New prototype.
8522 * except.c (eh_region_outermost): New function.
8523 * tree-cfg.c (find_outermost_region_in_block): Use it.
8525 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8527 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8529 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8530 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8531 (init_reload, reload): Use VEC instead of VARRAY.
8532 * reload.h: Update the prototype for
8533 reg_equiv_memory_loc_varray.
8535 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8536 Eric Botcazou <ebotcazou@libertysurf.fr>
8538 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8541 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8544 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8545 to expand fallback builtin function call.
8547 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8550 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8551 and emit libcall here in case the builtin fails.
8552 (expand_builtin_strcmp): Always emit the libcall here on failure.
8554 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8556 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8557 * flow.c (reg_n_info): Change the type to
8558 VEC(reg_info_p,heap) *.
8559 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8561 * regs.h (reg_info_p): New.
8562 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8563 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8564 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8567 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8569 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8571 * params.h (MAX_SCHED_READY_INSNS): New macro.
8572 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8573 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8574 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8575 the ready list for 1 cycle during the first scheduling pass.
8576 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8578 2006-04-13 Richard Henderson <rth@redhat.com>
8581 * gimple-low.c (lower_omp_directive): Remove dead code.
8582 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8583 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8584 * omp-low.c (struct omp_region): Move to tree-flow.h.
8585 (root_omp_region): Export.
8586 (omp_regions, lookup_omp_region): Remove.
8587 (determine_parallel_type): Update for struct omp_region changes.
8588 (dump_omp_region): Dump regions with block numbers.
8589 (new_omp_region): Take type and block instead of stmt; malloc
8591 (free_omp_region_1, free_omp_regions): New.
8592 (expand_parallel_call): Take entry_stmt as argument; update for
8593 changes to omp_region.
8594 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8595 (remove_exit_barriers): New.
8596 (expand_omp_parallel): Update for struct omp_region changes.
8597 (expand_omp_synch): Likewise.
8598 (expand_omp): Likewise.
8599 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8600 (expand_omp_for_static_chunk): Likewise.
8601 (expand_omp_for): Likewise.
8602 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8603 (expand_omp_sections): Similarly, with GOMP_sections_end.
8604 (expand_omp_single): New.
8605 (build_omp_regions_1): Update for OMP_CONTINUE.
8606 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8607 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8608 OMP_SECTIONS_SECTIONS.
8609 (lower_omp_single_simple): Don't emit barrier here.
8610 (lower_omp_single_copy): Likewise.
8611 (lower_omp_single): Fix bindings, and lower to straightline now.
8612 (lower_omp_master, lower_omp_ordered): Likewise.
8613 (lower_omp_critical): Likewise.
8614 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8615 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8616 omp edges, free it afterward.
8617 (make_omp_sections_edges): Remove.
8618 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8619 (move_stmt_r): Handle OMP_CONTINUE.
8620 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8621 statement pointers to basic blocks. Add type member.
8622 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8623 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8624 * tree-inline.c (estimate_num_insns_1): Likewise.
8625 * tree-pretty-print.c (dump_generic_node): Likewise.
8626 * tree-ssa-operands.c (get_expr_operands): Likewise.
8627 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8628 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8629 (OMP_CONTINUE): New.
8630 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8631 (OMP_SECTIONS_SECTIONS): Remove.
8632 (OMP_SECTION_LAST): New.
8633 (OMP_RETURN_NOWAIT): New.
8635 2006-04-13 Roger Sayle <roger@eyesopen.com>
8637 * fold-const.c (native_encode_vector, native_interpret_real):
8638 Correct obvious mistakes in the previous check-in.
8640 2006-04-13 Roger Sayle <roger@eyesopen.com>
8642 * fold-const.c (native_encode_expr): New function to encode
8643 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8644 or VECTOR_CST into a specified buffer.
8645 (native_encode_int): New function.
8646 (native_encode_real): New function.
8647 (native_encode_complex): New function.
8648 (native_encode_vector): New function.
8649 (native_interpret_expr): Inverse of native_encode_expr to convert
8650 a target representation into an INTEGER_CST, REAL_CST etc...
8651 (native_interpret_int): New function.
8652 (native_interpret_real): New function.
8653 (native_interpret_complex): New function.
8654 (native_interpret_vector): New function.
8655 (fold_view_convert_expr): New function to constant fold/evaluate
8656 a VIEW_CONVERT_EXPR of a suitable constant expression.
8657 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8658 Change call of build1 to fold_build1 when constructing a
8661 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8662 Ulrich Weigand <uweigand@de.ibm.com>
8665 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8668 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8671 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8672 optimize to lo_sum for DFmode if !TARGET_FPRS.
8674 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8676 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8677 delete_alias_info, compute_flow_sensitive_aliasing,
8678 group_aliases): Use VEC instead of VARRAY.
8679 * tree-ssa-structalias.c (update_alias_info): Likewise.
8680 * tree-ssa-structalias.h (alias_info): Change the type of
8681 processed_ptrs to VEC(tree,heap) *.
8683 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8686 * config/sh/lib1funcs.h: New file, broken out of:
8687 * config/sh/lib1funcs.asm.
8688 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8690 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8691 * config/sh/lib1funcs-Os-4-200.asm: New file.
8692 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8693 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8694 (EXTRA_MULTILIB_PARTS): Include it.
8695 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8696 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8697 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8698 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8701 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8703 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8704 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8705 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8707 * tree-ssa-live.h: Include vecprim.h.
8708 (tree_partition_associator_d): Change the type of
8709 first_partition to VEC(int,heap) *.
8710 (tpa_first_partition): Use VEC instead of VARRAY.
8712 * Makefile.in (GTFILES): Move functions.h after tree.h.
8713 * function.c (reset_block_changes, record_block_change,
8714 check_block_change, free_block_changes): Use VEC instead of
8716 * function.h (function): Change the type of
8717 ib_boundaries_block to VEC(tree,gc) *.
8718 * tree-inline.c (copy_cfg_body): Initialize
8719 ib_boundaries_block to NULL instead of (varray_type) 0.
8721 2006-04-12 Roger Sayle <roger@eyesopen.com>
8723 * expr.c (emit_group_store): Correct operand order in call to
8724 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8725 a SUBREG_BYTE of zero.
8727 2006-04-12 Richard Guenther <rguenther@suse.de>
8729 * profile.c (compute_branch_probabilities): Remove code
8730 encapsulated in !ir_type (), which are remanents of the
8731 removed RTL profiling code.
8732 * rtl-profile.c: Remove.
8734 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8736 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8737 magic NULL_RTX comment.
8738 (function_arg): Store entire fp arg to mem if any part should go
8740 (rs6000_arg_partial_bytes): Adjust for above change.
8742 2006-04-11 Roger Sayle <roger@eyesopen.com>
8744 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8745 if it hasn't been initialized by dwarf2out_init.
8747 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8749 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8750 symbolic constants in branch patterns.
8752 2006-04-11 Roger Sayle <roger@eyesopen.com>
8754 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8756 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8758 PR rtl-optimization/27073
8759 * gcse.c (try_replace_reg): Revert last change. Continue to search
8760 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8763 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8765 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8766 aggregate types other than record and union types.
8767 (function_arg): Likewise.
8768 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8770 (function_value): In 64-bit mode, return objects that require it
8773 2006-04-11 Roger Sayle <roger@eyesopen.com>
8775 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8777 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8779 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8781 2006-04-03 Jeff Law <law@redhat.com>
8784 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8785 alias information too.
8787 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8789 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8791 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8794 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8795 (premark_used_types_helper): New.
8796 (premark_used_types): New.
8797 (gen_subprogram_die): Call premark_used_types.
8798 (prune_unused_types_walk): Do not prune perennial dies.
8799 * function.c (used_types_insert): New.
8800 * function.h (struct function): Add used_types_hash field.
8801 (used_types_insert): Add prototype.
8802 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8803 * c-parser.c (c_parser_cast_expression): Save casted types in used
8806 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8809 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8810 rs6000_explicit_options.float_gprs.
8812 2006-04-10 Roger Sayle <roger@eyesopen.com>
8814 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8815 from ix86_expand_vector_init_low_nonzero. Take an additional
8816 one_var argument indicating which element is non-zero. Support
8817 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8818 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8819 with one_var instead of ix86_expand_vector_init_low_nonzero.
8821 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8823 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8824 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8825 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8826 build/genextract.o): Depend on vecprim.h.
8827 * cfglayout.c, df-problems.c, function.c, genextract.c,
8828 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8829 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8833 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8835 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8836 Declare VECs of this type.
8837 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8838 (remove_children): Delete.
8839 (add_dwarf_attr): Use VEC routines.
8840 (add_AT_flag): Update for changes to add_dwarf_attr.
8841 (add_AT_int): Likewise.
8842 (add_AT_unsigned): Likewise.
8843 (add_AT_long_long): Likewise.
8844 (add_AT_vec): Likewise.
8845 (add_AT_string): Likewise.
8846 (add_AT_die_ref): Likewise.
8847 (add_AT_fde_ref): Likewise.
8848 (add_AT_loc): Likewise.
8849 (add_AT_loc_list): Likewise.
8850 (add_AT_addr): Likewise.
8851 (add_AT_lbl_id): Likewise.
8852 (add_AT_lineptr): Likewise.
8853 (add_AT_macptr): Likewise.
8854 (add_AT_offset): Likewise.
8855 (add_AT_range_list): Likewise.
8856 (get_AT): Use VEC_iterate.
8857 (remove_AT): Use VEC_ordered_remove.
8858 (free_die): Fold remove_children into here; have it use VEC_iterate.
8859 (print_die): Use VEC_iterate on attrs.
8860 (reverse_die_lists): Don't reverse attr lists.
8861 (die_checksum): Use VEC_iterate on attrs.
8862 (same_die_p): Likewise.
8863 (output_location_lists): Likewise.
8864 (build_abbrev_table): Likewise.
8865 (size_of_die): Likewise.
8866 (unmark_all_dies): Likewise.
8867 (output_abbrev_section): Likewise.
8868 (output_die): Likewise.
8869 (prune_unused_types_walk_attribs): Likewise.
8871 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8873 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8875 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8878 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8880 2006-04-09 Roger Sayle <roger@eyesopen.com>
8882 * expr.c (store_constructor): Don't bother clearing target if
8883 we're about to assign a vector to it using vec_init_optab.
8885 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8887 * tree-ssa-alias.c (lhs_may_store_to): New function.
8888 (recalculate_used_alone): Handle LHS of calls.
8890 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8894 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8895 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8896 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8897 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8898 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8899 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8900 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8901 stubs. Add ".align 8" directives before all ".dword" directives.
8902 (GTHREAD_USE_WEAK): Revise comment.
8903 (TARGET_ATTRIBUTE_WEAK): Define.
8904 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8905 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8906 * stublib.c: New file.
8911 * pa.md (cbranch patterns): Revise arguments used in calls to
8912 output_cbranch, output_bb and output_bvd. Add long branch length
8914 (fbranch patterns): Handle long branches.
8915 (jump): Revise length check. Revise arguments for output_lbranch call.
8916 Add long branch length attributes.
8917 (decrement_and_branch_until_zero): Add long branch length attributes.
8918 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8919 Likewise. Revise arguments for output_parallel_addb and
8920 output_parallel_movb calls.
8921 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8922 output_parallel_movb and output_parallel_addb): Update prototypes.
8923 * pa.c (output_cbranch): Revise arguments. Correct handling of
8924 nullification in long branches.
8925 (output_lbranch): Add new argument to control extraction of delay
8927 (output_bb): Handle long branches.
8928 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8929 output_parallel_addb): Likewise.
8931 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8933 PR rtl-optimization/27073
8934 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8937 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8939 * tree.h (tree_memory_tag): Add old_used_alone.
8940 (SMT_OLD_USED_ALONE): New macro.
8941 * tree-ssa-alias.c (recalculate_used_alone): Stop
8942 marking things for renaming unnecessarily.
8944 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8946 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8947 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8948 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8949 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8950 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8951 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8952 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8953 spelling convensions.
8954 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8955 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8956 typos. Follow spelling conventions.
8958 2006-04-07 DJ Delorie <dj@redhat.com>
8960 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8961 passed on the stack.
8962 (m32c_init_cumulative_args): When a function returns a structure,
8963 always pass the pointer to that return area on the stack.
8964 (m32c_function_arg_advance): Don't increment the parameter number
8965 if we're processing the returned structure pointer.
8966 (pushm_info): Reverse order of registers.
8968 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8970 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8971 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8972 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8973 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8975 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8976 chrec_fold_multiply): Same.
8977 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8978 force_expr_to_var_cost): Same.
8979 * tree-mudflap.c (mf_xform_derefs_1): Same.
8980 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8982 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8984 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8985 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8988 2006-04-07 Jan Hubicka <jh@suse.cz>
8990 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8992 2006-04-07 Richard Guenther <rguenther@suse.de>
8994 PR tree-optimization/26135
8995 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8996 loads for store copy-prop.
8997 (copy_prop_visit_stmt): Likewise.
8999 2006-04-05 Robert Millan <robertmh@gnu.org>
9001 * config/i386/linux.h: Add a comment to mark macros that are
9002 being overriden in config/k*bsd-gnu.h.
9003 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9005 * config/knetbsd-gnu.h: Ditto.
9007 2006-04-06 Jan Hubicka <jh@suse.cz>
9011 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9014 2006-04-06 Mike Stump <mrs@apple.com>
9016 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9017 for HAVE_nonlocal_goto to be consistent.
9018 (expand_builtin_nonlocal_goto): Likewise.
9019 (expand_builtin_strcmp): Use #ifdef instead of #if
9020 for HAVE_cmpstrnsi to be consistent.
9022 2006-04-05 DJ Delorie <dj@redhat.com>
9024 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9027 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9029 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9030 got-relative addressing for anything but SImode.
9032 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9033 even if the calling function doesn't modify them.
9035 2006-04-05 Richard Guenther <rguenther@suse.de>
9037 PR tree-optimization/26919
9038 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9039 to cgraph_estimate_size_after_inlining.
9041 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9043 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9045 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9047 PR tree-optimization/26996
9048 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9049 VECTOR_TYPE variables.
9051 2006-04-05 Richard Guenther <rguenther@suse.de>
9053 PR tree-optimization/26763
9054 * fold-const.c (fold_comparison): Move folding of
9055 PTR + CST CMP PTR + CST ...
9056 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9058 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9060 * doc/install.texi (Prerequisites): Refine some wording on
9061 bootstrapping and ksh.
9062 Move the version numbers of DejaGnu here from the testing section
9063 and fix casing of names.
9064 Fix markup and clarify wording for autogen requirements.
9065 Refer to GCJ instead of just java.
9066 Refer to SVN instead of CVS.
9067 Describe diffutils as useful instead of necessary.
9068 (Downloading the source): Refer to SVN instead of CVS.
9069 Adjust a link to our web site accordingly.
9070 (Configuration): Fix casing of Bison.
9071 (Building): Refer to SVN instead of CVS.
9072 Fix a sentence on the use of Bison and remove duplicate (and
9073 incorrect) version number of Bison requirement.
9074 Remove one redundant list of packages needed for building.
9075 (Specific): Avoid reference to CVS.
9077 2006-04-04 Eric Christopher <echristo@apple.com>
9079 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9080 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9081 (rs6000_handle_struct_attribute): New.
9082 (rs6000_ms_bitfield_layout_p): Ditto.
9084 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9086 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9087 NULL for dso parameter to atexit_common.
9089 2006-04-04 Eric Christopher <echristo@apple.com>
9091 * config/i386/i386.c (machopic_output_stub): Output \t
9092 between instructions and operands.
9094 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9096 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9097 satisfies_constraint_[IL] to explicit tests on value.
9099 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9101 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9102 set_nb_iterations_in_loop): Use build_int_cst instead of
9104 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9105 build_int_cst instead of convert.
9107 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9109 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9110 new value 2 for incoming.
9111 * function.c (expand_function_start): Call struct_value_rtx
9113 * config/sparc/sparc.md: Comment updated_return.
9114 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9115 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9116 struct return if sparc_std_struct_return and incoming is 2.
9117 (print_operand): Do not adjust return if
9118 sparc_std_struct_return.
9120 2006-04-04 Roger Sayle <roger@eyesopen.com>
9122 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9123 convert in the middle-end.
9124 * expr.c (store_expr, store_constructor, get_inner_reference,
9125 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9127 * tree.c (build_range_type): Likewise.
9129 2006-04-04 Tom Tromey <tromey@redhat.com>
9131 * doc/install.texi (Prerequisites): Mention jar.
9133 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9135 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9138 2006-04-04 Matthias Klose <doko@debian.org>
9140 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9144 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9147 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9149 * doc/extend.texi (Function Attributes): Rewrite visibility
9150 attribute documentation.
9151 * doc/invoke.texi (C++ Dialect Options): Rewrite
9152 -fvisibility-inlines-hidden documentation to describe something
9153 entirely different, although in practise compatible.
9154 (Code Gen Options): Warn about system headers in -fvisibility=
9157 * doc/extend.texi (Other Builtins): Document that
9158 __builtin_nan is a compile-time constant only when its argument
9161 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9163 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9164 trying to remove TRUNCATE check if all bits outside the new mode
9165 are identical to the sign bit.
9167 2006-04-03 Jeff Law <law@redhat.com>
9169 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9170 and operand scanning in some common cases.
9172 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9173 Dale Johannesen <dalej@apple.com>
9176 * regclass.c (struct reg_pref): Update documentation.
9177 (regclass): Set prefclass to NO_REGS if memory is the best option.
9178 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9179 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9180 into account. For non-registers, equate an empty preferred
9181 reload class to a `!' in the constraint; move the if clause to
9182 do so after those that reject the insn.
9183 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9185 (find_dummy_reload): Likewise.
9186 * doc/tm.texi (Register Classes): Document what it means
9187 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9188 * config/i386/i386.c (ix86_preferred_reload_class): Force
9189 using SSE registers (and return NO_REGS for floating-point
9190 constants) if math is done with SSE.
9191 (ix86_preferred_output_reload_class): New.
9192 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9193 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9194 * config/i386/i386.md: Remove # register preferences.
9196 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9199 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9200 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9201 the type of nb_iter.
9202 (instantiate_parameters_1): Convert the operands before calling
9203 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9204 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9206 2006-04-02 Roger Sayle <roger@eyesopen.com>
9208 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9209 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9211 * dojump.c (do_jump): Likewise.
9212 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9213 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9214 gimplify_boolean_expr): Likewise.
9215 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9216 * varasm.c (array_size_for_constructor): Likewise.
9217 * tree-object-size.c (compute_object_offset): Likewise.
9219 2006-04-02 Roger Sayle <roger@eyesopen.com>
9222 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9223 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9225 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9227 PR tree-optimization/26939
9228 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9230 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9232 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9233 at_stmt. Convert the type of operands before calling
9234 build_polynomial_chrec.
9235 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9237 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9238 (instantiate_parameters_1): Convert the type of operands before calling
9239 build_polynomial_chrec.
9240 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9241 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9242 reset_evolution_in_loop): Insert asserts to check the types of the
9244 (chrec_type): Moved...
9245 (eq_evolutions_p): Use operand_equal_p.
9246 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9247 the types of the operands.
9248 (chrec_type): ...here.
9249 * tree-data-ref.c (create_data_ref): Convert the operands before
9250 calling chrec_replace_initial_condition.
9251 (same_access_functions, analyze_subscript_affine_affine,
9252 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9253 (compute_subscript_distance, analyze_ziv_subscript,
9254 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9255 analyze_miv_subscript): Convert the operands before calling
9256 chrec_fold_minus or chrec_fold_plus.
9258 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9260 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9261 the dependence_relations vector.
9262 (compute_data_dependences_for_loop): Adjust call to
9263 compute_all_dependences.
9265 2006-04-01 Roger Sayle <roger@eyesopen.com>
9266 Richard Henderson <rth@redhat.com>
9268 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9269 gimple_boolify on the condition before calling gimplify_expr.
9271 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9273 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9274 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9275 the frame size. Update to use the new macros.
9276 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9277 * config/xtensa/ieee754-df.S: Likewise.
9279 2006-03-31 Richard Henderson <rth@redhat.com>
9281 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9282 (make_edges): ... here. Control fallthru creation with a local
9283 variable. Do not play with fake edges.
9284 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9285 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9288 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9290 * dwarf2.h (DW64_CIE_ID): Define.
9291 * dwarf2out.c (DWARF_CIE_ID): Define.
9292 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9293 length header. Use DWARF_CIE_ID.
9294 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9295 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9297 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9299 * config/sh/linux-atomic.asm: New file.
9300 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9302 2006-03-31 DJ Delorie <dj@redhat.com>
9304 * config/m32c/cond.md: Set condition flags properly throughout.
9305 * config/m32c/minmax.md: Likewise.
9306 * config/m32c/prologue.md: Likewise.
9307 * config/m32c/bitops.md: Likewise.
9308 * config/m32c/muldiv.md: Likewise.
9309 * config/m32c/mov.md: Likewise.
9310 * config/m32c/addsub.md: Likewise.
9311 * config/m32c/m32c.md: Likewise.
9312 * config/m32c/jump.md: Likewise.
9313 * config/m32c/shift.md: Likewise.
9315 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9316 conditionally output the pattern for this.
9317 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9318 (m32c_compare_redundant): New.
9319 (m32c_output_compare): New.
9320 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9322 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9323 dest, not src. Allow other 4-byte modes.
9325 2006-03-30 Denis Chertykov <denisc@overta.ru>
9327 * doc/md.texi: Refer to avr/constraints.md instead of
9330 2006-03-30 Roger Sayle <roger@eyesopen.com>
9332 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9333 signed vs. unsigned comparison failures on some hosts.
9335 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9338 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9339 change to FLOAT_REGS.
9341 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9342 (rs6000_override_options): Use it.
9343 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9344 only for -mabi=spe/no-spe and -mabi=altivec.
9346 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9348 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9351 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9353 * Makefile.in: Rename docdir to gcc_docdir.
9355 2006-03-30 Roger Sayle <roger@eyesopen.com>
9358 * expr.c (emit_group_store): Optimize group stores into a pseudo
9359 register by using a paradoxical subreg to initialize the destination
9360 if the first or last member of the group specifies a "low part".
9362 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9365 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9366 * target.h (struct gcc_target.speculate_insn): Change type of the
9367 second parameter to 'int'.
9368 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9369 the second operand of the DEPS_LIST.
9370 (copy_DEPS_LIST_list): Update reference to the second operand of the
9372 * rtl.h (alloc_DEPS_LIST): Update signature.
9373 * sched-int.h (ds_t): Change typedef to 'int'.
9374 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9376 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9378 * haifa-sched.c (try_ready): Change condition to restore
9379 non-speculative pattern of the instruction.
9380 (process_insn_depend_be_in_spec): Code to keep probability of the
9381 speculative dependence non-decreasing.
9383 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9385 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9386 (single_move_for_movmem): ... this. Also change all uses.
9387 (bfin_expand_strmov): Renamed to...
9388 (bfin_expand_movmem): ... this. Also change all uses.
9389 * config/bfin/bfin.md (movstrsi): Renamed to...
9390 (movstrsi): ...this.
9392 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9394 PR tree-optimization/26830
9396 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9397 (copy_prop_visit_stmt): Remove write-only variable ann.
9398 (init_copy_prop): Check variable loop depth here. Do not simulate
9399 memory-tag and virtual operand PHIs except for store copy prop.
9401 2006-03-30 Richard Guenther <rguenther@suse.de>
9403 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9404 variants with double arguments.
9406 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9408 * genpreds.c (write_tm_constrs_h): Delete variable p.
9409 * genconditions.c (write_header): Add tm-constrs.h to included
9411 * genpeep.c (main): Add toplev.h to included headers.
9412 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9413 (build/genpeep.o): Add toplev.h dependency.
9414 * config/rs6000/constraints.md: Add "W" constraint.
9416 2006-03-29 Roger Sayle <roger@eyesopen.com>
9418 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9419 sizes by correctly testing whether the size fits a host integer.
9420 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9421 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9422 SImode range for the default sizetype and bitsizetype.
9424 2006-03-29 Roger Sayle <roger@eyesopen.com>
9426 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9427 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9428 quickly if the argument is already of the correct type.
9429 Call fold_build1 instead of build1. Tidy up blank lines.
9431 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9433 * genemit.c (main): Add tm-constrs.h to included headers.
9434 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9435 * genpeep.c (main): Add tm-constrs.h to included headers.
9436 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9437 (write_tm_constrs_h): this and write complete file.
9438 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9439 (write_insn_preds_c): Add tm-constrs.h to included headers.
9440 (gen_constrs): New variable.
9441 (parse_option): Parse "-c".
9442 (main): Invoke write_tm_constrs_h.
9443 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9444 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9445 (object_out_file): Add tm-constrs.h dependency.
9446 (insn-emit.o): Same.
9447 (insn-output.o): Same.
9448 (insn-peep.o): Same.
9449 (insn-preds.o): Same.
9450 (insn-recog.o): Same.
9451 (tm-constsr.h): New target.
9452 (s-constrs-h): New target.
9454 * config/rs6000/constraints.md: New file.
9455 * config/rs6000/rs6000.c: Include tm-constrs.h.
9456 (num_insn_constant_wide): Convert to satisfies_constraint.
9457 (rs6000_rtx_costs): Convert to satisfies_constraint.
9458 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9459 (CONST_OK_FOR_LETTER_P): Delete.
9460 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9461 (EXTRA_CONSTRAINT): Delete.
9462 (EXTRA_MEMORY_CONSTRAINT): Delete.
9463 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9464 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9465 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9466 satisfies_constraint.
9468 * config/i386/i386.c: Include tm-constrs.h.
9470 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9472 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9473 * tree-data-ref.c (find_data_references_in_loop,
9474 compute_data_dependences_for_loop): Use pointers to VEC.
9475 (analyze_all_data_dependences): Adjust calls.
9476 * tree-data-ref.h (find_data_references_in_loop,
9477 compute_data_dependences_for_loop): Adjust declarations.
9478 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9479 compute_data_dependences_for_loop.
9481 2006-03-29 Paul Brook <paul@codesourcery.com>
9483 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9486 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9488 PR tree-optimization/26859
9489 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9491 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9492 for the step after fold_convert.
9494 2006-03-29 Paul Brook <paul@codesourcery.com>
9496 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9497 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9499 2006-03-29 Paul Brook <paul@codesourcery.com>
9502 * targhooks.c (default_narrow_bitfield): New fuction.
9503 * targhooks.h (default_narrow_bitfield): add prototype.
9504 * target.h (gcc_target): Add narrow_volatile_bitfield.
9505 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9506 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9507 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9508 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9510 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9512 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9514 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9515 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9516 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9517 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9518 (s390_function_arg_float): Allow SDmode and DDmode values to be
9519 passed in floating point registers.
9520 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9521 check with SCALAR_FLOAT_MODE_P.
9522 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9524 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9526 PR tree-optimization/25985
9527 * tree-ssa-loop-niter.c (number_of_iterations_le,
9528 number_of_iterations_ne): Make comments more precise.
9529 (number_of_iterations_cond): Add only_exit argument. Use the
9530 fact that signed variables do not overflow only when only_exit
9532 (loop_only_exit_p): New.
9533 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9534 number_of_iterations_cond.
9536 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9538 PR tree-optimization/26643
9539 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9542 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9544 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9545 (divsi3_i4_int): Likewise.
9547 2006-03-28 Roger Sayle <roger@eyesopen.com>
9549 * expr.c (emit_group_store): Only create a new pseudo reg if the
9550 quantity it needs to hold isn't already a suitable pseudo.
9552 2006-03-28 Jeff Law <law@redhat.com>
9554 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9555 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9557 2006-03-28 Roger Sayle <roger@eyesopen.com>
9559 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9560 the equivalent ~X & Y, and the symmetry related transformations.
9561 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9562 ~X & Y, and symmetry related transforms.
9564 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9566 Revert my 2006-03-27 patches.
9568 2006-03-28 Roger Sayle <roger@eyesopen.com>
9570 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9571 ~(T1)X, when T1 and T2 are integer types of the same precision
9572 and (T2)X isn't an extension.
9574 2006-03-28 Jeff Law <law@redhat.com>
9576 PR tree-optimization/26796
9577 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9578 need EH edge cleanups rather than purging them immediately.
9579 (eliminate_degenerate_phis): Handle queued EH cleanups.
9581 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9583 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9586 2006-03-27 Roger Sayle <roger@eyesopen.com>
9589 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9590 cast BIT_NOT_EXPR operand to the correct type.
9592 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9594 * tree-loop-linear.c: Don't include varray.h.
9595 (gather_interchange_stats, try_interchange_loops,
9596 linear_transform_loops): Use VEC instead of VARRAY.
9597 * lambda-mat.c: Don't include varray.h.
9598 * tree-chrec.c: Same.
9599 * lambda-trans.c: Same.
9600 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9601 VEC instead of VARRAY.
9602 * tree-vectorizer.h: Idem.
9603 * tree-data-ref.c (dump_data_references,
9604 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9605 initialize_data_dependence_relation, finalize_ddr_dependent,
9606 compute_all_dependences, find_data_references_in_loop,
9607 compute_data_dependences_for_loop, analyze_all_data_dependences,
9608 free_dependence_relation, free_dependence_relations,
9609 free_data_refs): Idem.
9610 * tree-data-ref.h (data_reference_p, subscript_p): New.
9611 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9612 VEC instead of VARRAY.
9613 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9614 (find_data_references_in_loop, compute_data_dependences_for_loop,
9615 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9616 dump_data_dependence_relations, free_dependence_relations,
9617 free_data_refs): Adjust declaration.
9618 (lambda_transform_legal_p): Move declaration here...
9619 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9620 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9621 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9622 vect_analyze_data_refs): Use VEC instead of VARRAY.
9623 * lambda.h (lambda_transform_legal_p): ...from here.
9624 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9625 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9626 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9627 tree-chrec.o): Don't depend on VARRAY_H.
9629 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9631 * rtl.def (Copyright): Update date.
9632 (DEPS_LIST): Change type of the second operand to 'int'.
9633 * target.h (Copyright): Update date.
9634 (struct gcc_target.speculate_insn): Change type of the second parameter
9636 * lists.c (Copyright): Update date.
9637 (alloc_DEPS_LIST): Change signature. Update reference to the second
9638 operand of the DEPS_LIST.
9639 (copy_DEPS_LIST_list): Update reference to the second operand of the
9641 * rtl.h (Copyright): Update date.
9642 (alloc_DEPS_LIST): Update signature.
9643 * sched-int.h (Copyright): Update date.
9644 (ds_t): Change typedef to 'int'.
9645 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9647 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9649 * haifa-sched.c (Copyright): Update date.
9650 (try_ready): Change condition to restore non-speculative pattern
9652 (process_insn_depend_be_in_spec): Code to keep probability of the
9653 speculative dependence non-decreasing.
9655 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9657 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9658 shut up the compiler.
9660 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9662 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9663 to use lib prefix for target.
9664 ($(T)libic_invalidate_array_4-200.a): Likewise.
9665 ($(T)libic_invalidate_array_4a.a): Likewise.
9667 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9668 J"orn Rennecke <joern.rennecke@st.com>
9670 * superh.opt: New file.
9671 * sh.c (boardtype, osruntime): Remove.
9672 * superh.h (SUBTARGET_OPTIONS): Remove.
9673 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9675 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9676 arguments with ^ and/or [].
9678 * config.gcc (sh-*-*): Add quoting to account for quirk of
9680 Replace == with = in enable_incomplete_targets test.
9682 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9683 with MASK_LITTLE_ENDIAN.
9685 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9686 * config/sh/sh.opt: Added to some comments.
9687 * config/sh/superh.h: Removed some chaff.
9689 * config/sh/sh.opt: Add m4-[1234]00* options.
9690 * config/sh/sh.c (sh_handle_option): Likewise.
9691 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9692 (ic_invalidate_array_4-100.o): New rule.
9693 ($(T)libic_invalidate_array_4-100.a): Likewise.
9694 (ic_invalidate_array_4-200.o): Likewise.
9695 ($(T)libic_invalidate_array_4-200.a): Likewise.
9696 (ic_invalidate_array_4a.o): Likewise.
9697 ($(T)libic_invalidate_array_4a.a): Likewise.
9698 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9699 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9701 * config/sh/crt1.asm: Merged in profiling code.
9702 * config/sh/superh.h (STARTFILE_SPEC): Override.
9703 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9704 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9705 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9707 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9708 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9709 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9711 * sh.opt (mpretend-cmove): New option.
9712 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9713 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9714 (movsicc): Add TARGET_PRETEND_CMOVE code.
9716 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9718 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9719 s390_class_max_nregs): New function prototypes.
9720 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9721 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9722 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9723 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9725 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9727 * dwarf2out.c (add_location_or_const_value_attribute): Call
9728 tree_add_const_value_attribute if nothing else works.
9729 (reference_to_unused): New.
9730 (rtl_for_decl_init): Use reference_to_unused to decide whether
9731 to output an initializer.
9733 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9736 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9737 peephole removing spe frob_di_df_2.
9739 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9741 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9742 (subscript_dependence_tester_1): Declared.
9743 (print_dir_vectors, print_dist_vectors): New.
9744 (debug_data_dependence_relation): New.
9745 (dump_data_dependence_relation): Print more details.
9746 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9747 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9748 (save_dist_v, save_dir_v, add_outer_distances,
9749 build_classic_dist_vector_1): New.
9750 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9751 Don't test for lambda_vector_lexico_pos.
9752 (same_access_functions, add_multivariate_self_dist,
9753 add_other_self_distances, dir_from_dist): New.
9754 (build_classic_dir_vector): Replace implementation almost identical to
9755 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9757 (subscript_dependence_tester_1): New.
9758 (subscript_dependence_tester): Handle the lexicographically negative
9759 distance vectors by recomputing the dependence relation.
9760 (compute_affine_dependence): Remove parameter loop_nest_depth.
9761 (compute_self_dependence): Don't call compute_subscript_distance.
9762 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9763 Add a parameter for the loop_nest.
9764 (find_loop_nest_1, find_loop_nest): New.
9765 (compute_data_dependences_for_loop): Compute the loop nest, and give
9766 up if the nest is not well formed.
9767 * tree-data-ref.h (loop_p): New.
9768 (struct data_dependence_relation): Replace size_vect field with
9769 loop_nest, a vec of loops.
9770 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9771 (DDR_LOOP_NEST): New.
9772 (print_dir_vectors, print_dist_vectors,
9773 debug_data_dependence_relation): Declared.
9774 (index_in_loop_nest): New.
9775 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9776 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9779 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9781 * simplify-rtx.c (simplify_relational_operation): Call
9782 simplify_relational_operation_1 even if mode is VOIDmode.
9784 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9786 PR tree-optimization/26804
9787 * tree.h (DECL_CALL_CLOBBERED): New macro.
9788 (tree_decl_common): Add call_clobbered_flag.
9789 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9790 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9791 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9792 (mark_non_addressable): Ditto.
9793 * tree-ssa.c (verify_call_clobbered): New function.
9794 (verify_alias_info): Use it.
9795 * tree-pass.h (pass_reset_cc_flags): New prototype.
9796 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9797 (reset_cc_flags): New function.
9798 * passes.c (init_optimization_passes): Call reset_cc_flags after
9799 initializing referenced_vars.
9801 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9802 Roger Sayle <roger@eyesopen.com>
9805 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9806 to 1.0 for non-real operands. Implement A / A optimization for
9809 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9811 * config/i386/i386.c (size_cost): Correct the comment for
9812 cost of storing fp registers.
9813 (i386_cost): Likewise.
9814 (i486_cost): Likewise.
9815 (pentium_cost): Likewise.
9816 (pentiumpro_cost): Likewise.
9817 (k6_cost): Likewise.
9818 (athlon_cost): Likewise.
9819 (k8_cost): Likewise.
9820 (pentium4_cost): Likewise.
9821 (nocona_cost): Likewise.
9822 (generic64_cost): Likewise.
9823 (generic32_cost): Likewise.
9825 2006-03-24 Denis Chertykov <denisc@overta.ru>
9827 * config/avr/avr-protos.h (extra_constraint): Delete.
9828 (extra_constraint_Q): New declaration.
9829 * config/avr/constraints.md: New file.
9830 * config/avr/avr.md: Include it.
9831 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9832 (TMP_REGNO, ZERO_REGNO): Likewise.
9833 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9834 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9835 (extra_constraint): Delete.
9836 (extra_constraint_Q): Test for memory constraint 'Q'.
9837 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9838 (REG_CLASS_FROM_LETTER): Delete.
9839 (CONST_OK_FOR_LETTER_P): Delete.
9840 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9841 (EXTRA_CONSTRAINT): Delete.
9842 (TMP_REGNO): Delete.
9843 (ZERO_REGNO): Delete.
9845 2006-03-24 Jeff Law <law@redhat.com>
9847 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9848 directly. Call mark_new_vars_to_rename slightly earlier.
9850 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9852 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9854 (gen_compile_unit_die): Use new language types for Objective-C and
9856 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9857 DW_LANG_C_plus_plus.
9860 * config/t-darwin (crt3.o): Work around bug 26840.
9861 * config/darwin-crt3.c: Rewrite.
9862 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9864 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9866 * doc/invoke.texi: Document -femit-class-debug-always
9867 * common.opt: Add -femit-class-debug-always.
9869 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9871 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9872 index and base register.
9873 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9874 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9875 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9876 REGNO_OK_FOR_INDEX_P.
9877 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9879 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9880 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9881 REG_OK_FOR_BASE_P): Definitions removed.
9883 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9886 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9887 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9888 set yet or weren't marked as local yet.
9890 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9892 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9895 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9897 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9898 (rs6000_legitimate_small_data_p): Delete.
9899 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9900 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9901 and make static. Add forward declaration. Update uses.
9902 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9903 of offsettable_memref_p.
9904 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9905 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9907 2006-03-24 Jeff Law <law@redhat.com>
9909 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9910 around bug in immediate-use iterator.
9912 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9915 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9916 or __LITTLE_ENDIAN__.
9918 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9920 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9921 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9922 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9923 * config/sh/sh.opt (mdiv=): Amend description.
9924 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9925 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9926 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9927 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9928 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9929 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9930 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9931 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9932 TARGET_DIVIDE_CALL_FP.
9934 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9936 * haifa-sched.c (choose_ready): Fix type of the local variable.
9937 Move local variables. Add comment.
9938 (check_reg_live): Change signature. Make callable from debugger.
9939 * sched-int.h (check_reg_live): Update signature.
9940 * sched-ebb.c (check_reg_live): Update parameters.
9941 * sched-rgn.c (check_reg_live): Ditto.
9942 (region_head_or_leaf_p): Check pointer before dereferencing.
9943 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9944 before reload on optimization levels below 1.
9946 2006-03-23 Richard Henderson <rth@redhat.com>
9948 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9952 * config/alpha/predicates.md (local_symbolic_operand): Reject
9955 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9958 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9959 expressions which have overflowed constants.
9961 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9963 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9965 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9967 * cfgloopmanip.c (create_loop_notes): Removed.
9968 * final.c (final_scan_insn): Do not handle loop notes.
9969 * jump.c (squeeze_notes): Ditto.
9970 * cfglayout.c (skip_insns_after_block,
9971 duplicate_insn_chain): Ditto.
9972 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9974 * cfgloop.h (create_loop_notes): Declaration removed.
9976 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9978 * varasm.c (output_constant_pool): Restore fnname and fndecl
9980 (assemble_start_function): Adjust call accordingly.
9981 (assemble_end_function): Likewise.
9983 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9986 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9989 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9991 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9994 * system.h (ICE_EXIT_CODE): New macro.
9995 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9996 (diagnostic_action_after_output): Likewise.
9997 * gcc.c (fatal_ice): New function.
9998 (execute): Use it instead of fatal.
9999 (fancy_abort): Likewise.
10000 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10002 2006-03-22 Jeff Law <law@redhat.com>
10004 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10005 iv_analyze_result returning false.
10007 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10009 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10011 2006-03-22 Richard Henderson <rth@redhat.com>
10013 PR middle-end/26084
10014 * except.c (duplicate_eh_regions_0): New.
10015 (duplicate_eh_region_1): Duplicate the children of the node as
10016 well as the node itself. Link them up properly.
10017 (duplicate_eh_region_2): Merge into ...
10018 (duplicate_eh_regions): ... here. Take copy_region argument, and
10019 copy only a sub-tree if asked. Simplify copying and fixup.
10020 (eh_region_outer_p): New.
10021 * except.h (duplicate_eh_regions): Update decl.
10022 (eh_region_outer_p): Declare.
10023 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10024 (lower_omp_master): Likewise.
10025 (lower_omp_ordered): Likewise.
10026 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10027 (move_stmt_r): Use it to remap labels. Handle recursion vs
10028 remap_decls_p properly.
10029 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10030 (find_outermost_region_in_block): New.
10031 (new_label_mapper): New.
10032 (move_sese_region_to_fn): Copy eh information to the new function
10034 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10036 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10039 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10041 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10042 into shared libraries.
10044 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10046 * doc/md.texi: Refer to i386/constraints.md instead of
10047 i386/predicates.md.
10048 * config/i386/constraints.md: New file, extracted from...
10049 * config/i386/predicates.md: ...here.
10050 * config/i386/i386.md: Include constraints.md.
10052 2006-03-21 Jason Merrill <jason@redhat.com>
10054 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10056 PR middle-end/20297
10057 * expr.c (init_block_move_fn): Force default visibility.
10058 (init_block_clear_fn): Likewise.
10059 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10060 * targhooks.c (default_external_stack_protect_fail): Likewise.
10062 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10064 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10065 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10066 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10067 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10068 (loadgp): Use mips_current_loadgp_style.
10069 (loadgp_noshared): New pattern.
10070 (sibcall_internal): Use MIPS_CALL.
10071 (sibcall_value_internal): Likewise.
10072 (sibcall_value_multiple_internal): Likewise.
10073 (call_internal): Likewise.
10074 (call_value_internal): Likewise.
10075 (call_value_multiple_internal): Likewise.
10076 (call_split): Use MIPS_CALL and add an 'S' constraint.
10077 (call_value_split): Likewise.
10078 (call_value_multiple_split): Likewise.
10079 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10080 (-mshared): New option.
10081 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10082 (mips_current_loadgp_style): Declare.
10083 * config/mips/mips.c (mips_classify_symbol): Avoid using
10084 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10085 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10086 TARGET_ABSOLUTE_ABICALLS.
10087 (override_options): Adjust comments. Improve the warning that is
10088 issued when -mabicalls and -G are used together.
10089 (mips_file_start): Remove comment.
10090 (mips_current_loadgp_style): New function.
10091 (mips_gnu_local_gp): New variable.
10092 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10094 (mips_output_function_prologue): Use mips_current_laodgp_style.
10095 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10096 the cprestore instruction.
10097 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10098 live for TARGET_ABSOLUTE_ABICALLS.
10099 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10100 (ASM_SPEC): Pass down -mshared and -mno-shared.
10101 (MIPS_CALL): New macro.
10102 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10104 * doc/invoke.texi (-mabicalls): Update documentation.
10105 (-mshared): Document.
10107 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10109 * config/ia64/unwind-hpux.c: New file.
10110 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10112 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10115 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10117 2006-03-21 Jeff Law <law@redhat.com>
10119 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10120 type conversions of a VR_VARYING source to a wider type.
10122 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10124 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10125 tm_file on Solaris 10 and later.
10126 (sparc64-*-solaris2*): Likewise.
10127 (sparc-*-solaris2*): Likewise.
10128 * config/sol26.h: Rename to config/sol2-6.h.
10129 * config/sol2-10.h: New file.
10131 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10134 * tree-ssa-pre.c (create_component_ref_by_pieces):
10137 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10140 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10141 return it immediately.
10143 2006-03-21 Michael Matz <matz@suse.de>
10145 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10147 (remove_arc, add_arc): Update num_out_arcs member.
10148 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10150 (cache_presence): New function.
10151 (compare_states_for_equiv): New function.
10152 (state_is_differed): Don't take number of outargs, adjust callers.
10153 Use new invariant for speeding up.
10154 (init_equiv_class): Create initial classes based on sorted
10156 (partition_equiv_class): Don't track out_arcs_num.
10157 (evaluate_equiv_classes): Call cache_presence on all states and
10160 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10162 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10163 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10164 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10165 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10167 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10168 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10169 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10170 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10171 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10173 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10174 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10175 (REGNO_REG_CLASS): ARGP is in PREGS.
10176 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10178 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10179 to deal with those addresses.
10180 * addresses.h: New file.
10181 * caller-save.c: Include "addresses.h".
10182 (init_caller_save): Use new base_reg_class function.
10183 * rtl-factoring.c: Include "addresses.h".
10184 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10185 * recog.c: Include "addresses.h".
10186 (preprocess_constraints): Use new base_reg_class function.
10187 * regrename.c: Include "addresses.h".
10188 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10189 functions. Keep track of a new var INDEX_CODE to compute valid
10191 (replace_oldest_value_addr): Likewise.
10192 (replace_oldest_value_mem): Use base_reg_class.
10193 * reload.c: Include "addresses.h".
10194 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10195 (find_reloads): Use new base_reg_class function.
10196 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10197 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10198 all callers and prototype changed.
10199 * reload1.c: Include "addresses.h".
10200 (maybe_fix_stack_asms): Use base_reg_class.
10201 * regclass.c: Include "addresses.h".
10202 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10203 (init_reg_autoinc): Use new base_reg_class function.
10204 (record_reg_classes): Likewise.
10205 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10206 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10207 Use new args to compute necessary class.
10209 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10210 regrename.o, rtl-factoring.o): Update dependencies.
10211 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10212 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10213 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10214 REG_OK_FOR_INDEX_P): Delete documentation.
10216 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10218 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10219 from V7 to V9 for Solaris 7 and above.
10221 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10223 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10224 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10225 argument pointers may not alias any other storage.
10226 * common.opt: Define option -fargument-noalias-anything.
10227 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10228 alias semantics is specified by flag_argument_noalias > 2.
10230 2006-03-20 Jeff Law <law@redhat.com>
10232 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10233 (pass_phi_only_cprop): Declare.
10234 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10235 with phi_only_cprop
10236 * tree-ssa-dom.c (degenerate_phi_result): New function.
10237 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10238 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10239 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10240 (eliminate_degenerate_phis): Likewise.
10241 (pass_phi_only_cprop): New pass descriptor.
10242 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10243 support code. Callers updated.
10244 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10245 (store_copy_prop): Likewise.
10246 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10248 2006-03-20 Jason Merrill <jason@redhat.com>
10251 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10252 (push_visibility, pop_visibility): Likewise.
10253 * c-pragma.h: Declare them.
10255 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10257 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10259 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10260 parameter and use get_ebb_head_tail.
10261 (sh_md_init_global): Adjust uses of find_regmode_weight.
10263 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10265 * function.h (struct function) <x_tail_recursion_reentry>:
10266 Rename to x_stack_check_probe_note.
10267 (tail_recursion_reentry): Rename to stack_check_probe_note.
10268 * function.c: Replace tail_recursion_reentry with
10269 stack_check_probe_note everywhere.
10270 (expand_function_start): Only emit a note for
10271 stack_check_probe_note with -fstack-protect.
10272 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10274 * emit-rtl.c (remove_unnecessary_notes): Remove.
10275 (pass_remove_unnecessary_notes): Remove.
10276 * rtl.h (remove_unnecessary_notes): Remove prototype.
10277 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10278 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10279 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10281 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10284 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10285 (valid_in_set): Handle ARRAY_REF.
10286 Change "if min_variant or VH" to asserts.
10287 (create_component_ref_by_pieces): Handle ARRAY_REF.
10288 (create_expression_by_pieces): Likewise.
10289 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10291 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10293 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10294 is operand of switch, not str[0].
10296 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10298 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10299 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10301 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10303 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10304 end of insn_extra_address_constraint declaration.
10306 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10308 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10309 (no-sum-in-toc): Same.
10310 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10312 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10313 NO_FP_IN_TOC for -fPIC instead of mask.
10315 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10316 (BOOT_LDFLAGS): Delete.
10318 * config/rs6000/t-aix52: Same.
10320 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10321 (stmsi[345678]_power): New.
10323 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10325 * config/ia64/ia64.opt: Add empty line to end of file.
10327 2006-03-17 Richard Guenther <rguenther@suse.de>
10329 PR middle-end/26721
10330 * builtins.c (get_pointer_alignment): For component style references
10331 adjust alignment to the component type alignment. Make sure
10332 to adjust alignment for component access of constants.
10334 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10336 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10337 unconditional jump.
10339 2006-03-17 Paul Brook <paul@codesourcery.com>
10341 * doc/install.texi: Docuemnt --with-mode.
10342 * config.gcc: Add --with-mode for arm*-*-*.
10343 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10345 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10347 * sh.c (max_labelno_before_reorg): New variable.
10348 (sh_reorg): Initialize it.
10349 (find_barrier): Check max_labelno_before_reorg before using
10350 label_to_alignment. Take length of explicit alignment insns
10351 into account. When seeing a UNSPECV_CONST_END, return it.
10353 * sh.c (fixup_mova): Set mode of affected label to QImode.
10354 (untangle_mova): New function.
10355 (find_barrier): Use it. Check mode of label before decrementing
10357 (sh_reorg): Likewise.
10358 Set mode of all insns back to VOIDmode.
10360 * sh.c (MOVA_LABELREF): New macro.
10361 (mova_p, fixup_mova, sh_reorg): Use it.
10362 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10363 ADDR_DIFF_VEC matches mova.
10365 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10367 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10368 with ATTRIBUTE_UNUSED.
10370 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10372 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10373 pointer, instead of assuming it is possible to derive the
10374 correct args size from a call insn.
10376 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10378 * rtl.h (CONST_INT_P): Define.
10379 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10380 instead of GET_CODE(x) == CONST_INT.
10381 (vax_rtx_costs): Likewise.
10382 (vax_output_int_move): Likewise.
10383 (vax_output_int_add): Likewise.
10384 (legitimate_constant_address_p): Likewise.
10385 (index_term_p): Likewise.
10386 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10387 * config/vax/vax.md (and<mode>3): Likewise.
10388 (ashrsi3): Likewise.
10390 (movstricthi): Likewise.
10391 (movstrictqi): Likewise.
10392 (rotrsi3): Likewise.
10393 (five unnamed insns): Likewise.
10395 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10397 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10398 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10399 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10400 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10401 Pass to ASM_OUTPUT_DWARF_OFFSET.
10402 * dwarf2out.c (debug_frame_section): New.
10403 (output_call_frame_info): Use debug_frame_section. Pass it to
10404 dw2_asm_output_offset.
10405 (output_die): Pass appropriate section to dw2_asm_output_offset.
10406 (output_compilation_unit_header): Likewise.
10407 (output_pubnames): Likewise.
10408 (output_aranges): Likewise.
10409 (enum dw_val_class): Break dw_val_class_lbl_offset into
10410 dw_val_class_lineptr and dw_val_class_macptr.
10411 (add_AT_lbl_offset): Delete.
10412 (add_AT_lineptr): New.
10413 (add_AT_macptr): New.
10414 (AT_lbl): Expect a lineptr or macptr.
10415 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10416 (attr_checksum): Likewise.
10417 (same_dw_val_p): Likewise.
10418 (size_of_die): Likewise.
10419 (value_format): Likewise.
10420 (output_die): Likewise.
10421 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10423 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10424 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10425 * config/darwin-protos.h (darwin_file_start): New.
10426 (darwin_asm_output_dwarf_offset): New.
10427 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10428 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10430 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10431 if not EH section; simplify.
10432 (darwin_file_start): New.
10433 (darwin_asm_output_dwarf_offset): New.
10434 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10436 (DEBUG_INFO_SECTION): Likewise.
10437 (DEBUG_ABBREV_SECTION): Likewise.
10438 (DEBUG_ARANGES_SECTION): Likewise.
10439 (DEBUG_MACINFO_SECTION): Likewise.
10440 (DEBUG_LINE_SECTION): Likewise.
10441 (DEBUG_LOC_SECTION): Likewise.
10442 (DEBUG_PUBNAMES_SECTION): Likewise.
10443 (DEBUG_STR_SECTION): Likewise.
10444 (DEBUG_RANGES_SECTION): Likewise.
10445 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10446 (ASM_OUTPUT_DWARF_OFFSET): New.
10448 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10450 * config.gcc (tm_defines): Always add to previous value rather
10453 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10455 * config/mips/predicates.md (splittable_const_int_operand): New,
10456 split from move_operand.
10457 (splittable_symbolic_operand): New.
10458 (move_operand): Add commentary. Use splittable_const_int_operand.
10459 Inline mips_atomic_symbolic_constant_p.
10460 * config/mips/mips.md: Add combine splitters for handling moves
10461 of splittable_const_int_operands and splittable_symbolic_operands.
10462 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10463 (mips_split_symbol): Declare.
10464 (mips_move_integer): Declare.
10465 * config/mips/mips.c (mips_split_p): Make global.
10466 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10467 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10468 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10469 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10470 (mips_offset_within_object_p): Handle block symbols.
10471 (mips_atomic_symbolic_constant_p): Delete.
10472 (mips_cannot_force_const_mem): Return false for constants that
10473 mips_legitimize_move can handle.
10474 (mips_use_blocks_for_constant_p): New function.
10475 (mips_split_symbol): Make global.
10476 (mips_move_integer): Likewise. Add a temporary register argument.
10477 (mips_legitimize_const_move): Use splittable_const_int_operand and
10478 splittable_symbolic_operand.
10479 (mips_use_anchors_for_symbol_p): New function.
10480 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10481 (mips_split_p): Declare.
10483 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10485 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10486 (mips*-*-linux*): Likewise.
10488 2006-03-16 Roger Sayle <roger@eyesopen.com>
10489 Daniel Speyer <dspeyer@wam.umd.edu>
10491 PR middle-end/18259
10492 * tree-dump.c (dump_real): New function.
10493 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10494 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10495 (tree-dump.o): Add $(REAL_H) to the dependencies.
10497 2006-03-16 Roger Sayle <roger@eyesopen.com>
10499 PR middle-end/21781
10500 * real.c (real_from_string): If the mantissa is zero, don't bother
10501 parsing the exponent as the result should always be zero.
10503 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10505 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10507 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10509 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10510 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10511 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10512 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10513 ia64_sched_finish_global): New static functions to implement
10514 hooks from gcc_target.sched.
10515 (spec_check_no, max_uid, pending_data_specs): New static variables.
10516 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10517 ia64_spec_check_src_p): New static functions.
10518 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10519 (TARGET_SCHED_ADJUST_COST): Removed.
10520 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10521 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10522 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10523 TARGET_SCHED_GEN_CHECK,
10524 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10525 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10526 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10527 Fixed to handle speculation checks.
10528 (rtx_needs_barrier): Fixed to handle speculative loads and
10530 (ia64_variable_issue): Added code to count speculative loads and their
10532 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10534 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10536 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10538 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10539 (ia64_reorg): Reset stops_p to NULL after it is freed.
10540 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10541 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10542 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10544 (data_speculative, control_speculative, check_load): New attributes.
10545 (mov<mode>_advanced, mov<mode>_speculative,
10546 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10547 zero_extend<mode>di2_speculative,
10548 zero_extend<mode>di2_speculative_advanced): New patterns for
10549 data and control speculative loads.
10550 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10552 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10553 New pattern for data and control speculation checks.
10554 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10555 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10556 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10557 Auxiliary definitions for the patterns.
10558 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10559 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10561 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10563 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10564 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10565 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10566 New resource constraints.
10567 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10569 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10570 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10571 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10572 msched-in-control-spec, msched-ldc, msched-control-ldc,
10573 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10574 msched-prefer-non-control-spec-insns,
10575 msched-count-spec-in-critical-path): New flags to tune speculative
10577 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10578 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10579 msched-in-control-spec, msched-ldc, msched-control-ldc,
10580 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10581 msched-prefer-non-control-spec-insns,
10582 msched-count-spec-in-critical-path): Document new flags.
10584 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10586 * target.h (struct spec_info_def): New opaque declaration.
10587 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10588 speculate_insn, needs_block_p, gen_check,
10589 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10590 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10591 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10592 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10593 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10594 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10596 (TARGET_SCHED): Use new macros.
10597 * rtl.h (copy_DEPS_LIST_list): New prototype.
10598 * sched-int.h (struct sched_info): Change signature of new_ready field,
10599 adjust all initializations. New fields: add_remove_insn,
10600 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10601 region_head_or_leaf_p.
10602 (struct spec_info_def): New structure declaration.
10603 (spec_info_t): New typedef.
10604 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10605 recovery_block, orig_pat.
10606 (glat_start, glat_end): New variables declaraions.
10607 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10609 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10610 DETACH_LIFE_INFO, USE_GLAT.
10611 (enum SPEC_SCHED_FLAGS): New enumeration.
10612 (NOTE_NOTE_BB_P): New macro.
10613 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10614 attach_life_info, debug_spec_status, check_reg_live): New functions.
10615 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10616 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10618 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10619 * ddg.c (get_block_head_tail): Adjust all uses.
10620 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10621 (sms_sched_info): Initialize new fields.
10622 (contributes_to_priority): Removed.
10623 * haifa-sched.c (params.h): New include.
10624 (get_block_head_tail): Adjust all uses.
10625 (ISSUE_POINTS): New macro.
10626 (glat_start, glat_end): New global variables.
10627 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10628 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10629 old_last_basic_block, before_recovery, current_sched_info_var,
10630 rgn_n_insns, luid): New static variables.
10631 (insn_cost1): New function. Move logic from insn_cost to here.
10632 (find_insn_reg_weight1): New function. Move logic from
10633 find_insn_reg_weight to here.
10634 (reemit_notes, move_insn, max_issue): Change signature.
10635 (move_insn1): Removed.
10636 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10637 extend_bb): New static functions to support extension of scheduler's
10639 (generate_recovery_code, process_insn_depend_be_in_spec,
10640 begin_speculative_block, add_to_speculative_block,
10641 init_before_recovery, create_recovery_block, create_check_block_twin,
10642 fix_recovery_deps): New static functions to support
10643 generation of recovery code.
10644 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10645 restore_bb_notes, move_block_after_check, move_succs): New static
10646 functions to support ebb scheduling.
10647 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10648 functions to support handling of register live information.
10649 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10650 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10651 add_jump_dependencies): New static functions.
10652 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10653 consistancy checking.
10654 (debug_spec_status): New function to call from debugger.
10655 (priority): Added code to handle speculation checks.
10656 (rank_for_schedule): Added code to distinguish speculative instructions.
10657 (schedule_insn): Added code to handle speculation checks.
10658 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10659 Fixed to handle ebbs.
10660 (move_insn): Added code to handle ebb scheduling.
10661 (max_issue): Added code to use ISSUE_POINTS of instructions.
10662 (choose_ready): Added code to choose between speculative and
10663 non-speculative instructions.
10664 (schedule_block): Added code to handle ebb scheduling and scheduling of
10665 speculative instructions.
10666 (sched_init): Initialize new variables.
10667 (sched_finish): Free new variables. Print statistics.
10668 (try_ready): Added code to handle speculative instructions.
10669 * lists.c (copy_DEPS_LIST_list): New function.
10670 * sched-deps.c (extend_dependency_caches): New function. Move logic
10671 from create_dependency_caches to here.
10672 (get_dep_weak, ds_merge): Make global.
10673 * genattr.c (main): Code to output prototype for
10674 dfa_clear_single_insn_cache.
10675 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10676 (output_dfa_clean_insn_cache_func): Code to output
10677 dfa_clear_single_insn_cache function.
10678 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10680 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10682 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10683 New static variables.
10684 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10685 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10687 (ebb_sched_info): Initialize new fields.
10688 (get_block_head_tail): Adjust all uses.
10689 (compute_jump_reg_dependencies): Fixed to use glat_start.
10690 (schedule_ebb): Code to remove unreachable last block.
10691 (schedule_ebbs): Added code to update register live information.
10692 * sched-rgn.c (region_sched_info): Initialize new fields.
10693 (get_block_head_tail): Adjust all uses.
10694 (last_was_jump): Removed. Adjust users.
10695 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10696 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10697 Implement new hooks.
10698 (check_dead_notes1): New static function.
10699 (struct region): New fields: dont_calc_deps, has_real_ebb.
10700 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10701 (BB_TO_BLOCK): Fixed to handle EBBs.
10702 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10703 (ebb_head): New static variable.
10704 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10705 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10707 (compute_dom_prob_ps): New assertion.
10708 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10709 global_live_at_start.
10710 (init_ready_list): New assertions.
10711 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10712 (new_ready): Add support for BEGIN_CONTROL speculation.
10713 (schedule_insns): Fixed code that updates register live information
10715 (schedule_region): Fixed to handle EBBs.
10716 (init_regions): Use extend_regions and check_dead_notes1.
10717 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10718 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10719 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10720 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10721 TARGET_SCHED_GEN_CHECK,
10722 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10723 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10724 * doc/invoke.texi (max-sched-insn-conflict-delay,
10725 sched-spec-prob-cutoff): Document.
10727 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10729 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10730 inter_tick, queue_index.
10731 (struct sched_info): Change signature of init_ready_list field.
10732 Adjust all initializations.
10733 (RESOLVED_DEPS): New access macro.
10734 (ready_add): Remove prototype.
10735 (try_ready): Add prototype.
10736 * sched-rgn.c (init_ready_list): Use try_ready.
10737 (schedule_region): Initialize
10738 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10739 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10740 (init_ready_list): Use try_ready.
10741 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10742 * lists.c (remove_list_elem): Remove `static'.
10743 (remove_free_INSN_LIST_elem): New function.
10744 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10745 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10746 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10748 (readyp): New variable.
10749 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10750 change_queue_index, resolve_dep): New static functions.
10751 (try_ready): New function. Adjust callers in sched-rgn.c and
10752 sched-ebb.c to use it instead of ready_add.
10753 (clock_var): Move at the begining of file.
10754 (rank_for_schedule): Fix typo.
10755 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10756 (ready_lastpos): Enforce assertion.
10757 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10758 update all callers.
10759 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10760 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10761 (queue_to_ready): Use free_INSN_LIST_list.
10762 (early_queue_to_ready): Fix typo.
10763 (schedule_block): Init readyp. Move init_ready_list call after the
10764 initialization of clock_var. Fix error in rejecting insn by
10765 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10766 that previously corrected INSN_TICKs. Add code for handling
10768 (set_priorities): Fix typo.
10769 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10770 Clarify comment and code that keeps current_sched_info->next_tail
10773 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10775 * sched-rgn.c (extend_rgns): New static function.
10776 (find_rgns): Use it.
10777 (gather_region_statistics, print_region_statistics): New static
10779 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10780 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10782 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10783 Andrey Belevantsev <abel@ispras.ru>
10785 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10786 * lists.c (unused_deps_list): New variable.
10787 (free_list): Add assertions to verify the proper distinguishing
10788 between INSN_LISTs and DEPS_LISTs.
10789 (find_list_elem, remove_list_elem, remove_list_node): New static
10791 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10792 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10793 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10794 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10796 (free_INSN_LIST_node): Likewise.
10797 * modulo-sched.c (current_sched_info): Initialize flags field.
10798 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10799 * rtl.def (DEPS_LIST): Define.
10800 * rtl.h: Declare new functions from lists.c.
10801 * sched-deps.c (spec_dependency_cache): New static variable.
10802 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10803 (add_dependence): Change return type to void. Move the logic to ...
10804 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10805 (delete_all_dependences): Add comment about forward_dependency_cache.
10806 Handle spec_dependency_cache. Handle DEPS_LISTs.
10807 (fixup_sched_groups): Clarify the change of priority of output
10808 and anti dependencies.
10809 (sched_analyze_2): Adjust add_dependence calls to create data
10810 speculative dependence.
10811 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10812 Adjust all callers. Handle DEPS_LISTS.
10813 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10814 presence of speculation.
10815 (init_dependency_caches, free_dependency_caches):
10816 Handle spec_dependency_cache.
10817 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10818 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10819 New static functions.
10820 (add_or_update_back_dep, add_or_update_back_forw_dep,
10821 add_back_forw_dep, delete_back_forw_dep): New functions.
10822 * sched-int.h (ds_t, dw_t): New typedefs.
10823 (struct sched_info): Add new field flags.
10824 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10825 Prototype new sched-deps.c functions.
10826 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10827 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10828 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10829 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10830 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10831 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10833 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10835 * sched-rgn.c (current_sched_info): Initialize flags field.
10836 (schedule_insns): Initialize current_sched_info before the sched_init
10838 * sched-ebb.c (current_sched_info): Initialize flags field.
10839 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10840 Call add_or_update_back_dep instead of add_dependence.
10841 Create control speculative dependencies.
10842 (schedule_insns): Initialize current_sched_info before the sched_init
10845 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10847 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10849 (sh_fallback_frame_state): Likewise.
10851 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10853 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10854 Do switch on default_use_cxa_atexit.
10855 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10856 * config/darwin-crt3.o: New.
10857 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10858 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10859 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10861 * config/rs6000/t-darwin: Move crt2.o building to here.
10862 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10863 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10866 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10868 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10869 from '! xxx' to '!xxx' for coding-style conformance.
10870 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10871 (EXTRA_CONSTRAINT): Likewise.
10872 * config/vax/vax.md (four unnamed insns): Likewise.
10874 2006-03-15 Paul Brook <paul@codesourcery.com>
10876 * config/arm/arm.c (minipool_pad): New.
10877 (add_minipool_forward_ref): Include pool alignment padding in address
10879 (push_minipool_fix): Set minipool_pad.
10880 (minipool_pad): Ditto.
10882 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10884 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10885 instead of GET_CODE() == MEM and REG_P() instead of
10887 (print_operand_address): Likewise.
10888 (vax_address_cost): Likewise.
10889 (vax_rtx_costs): Likewise.
10890 (vax_notice_update_cc): Likewise.
10891 (vax_output_int_add): Likewise.
10892 (INDEX_REGISTER_P): Likewise.
10893 (BASE_REGISTER_P): Likewise.
10894 (nonindexed_address_p): Likewise.
10895 (vax_mode_dependent_address_p): Likewise.
10896 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10897 (PRINT_OPERAND): Likewise.
10898 * config/vax/vax.md (ashlsi3): Likewise.
10899 (ashlsi3): Likewise.
10900 (some more unnamed insns): Likewise.
10902 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10904 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10905 iterator-style macro.
10906 (mark_control_dependent_edges_necessary): Update the use of
10907 EXECUTE_IF_CONTROL_DEPENDENT.
10909 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10911 * config/sh/predicates.md (cache_address_operand): Special.
10912 (ua_address_operand): Likewise.
10914 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10916 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10918 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10920 2006-03-15 Andreas Schwab <schwab@suse.de>
10922 * gensupport.c (identify_predicable_attribute): Don't free p_false
10923 when it is still in use.
10925 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10927 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10928 the default setting here.
10930 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10932 * tree-pass.h (pass_cfg): Remove.
10933 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10934 * passes.c (pass_cfg): Don't run it.
10936 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10938 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10939 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10941 (stack_regs_mentioned): Update the uses of
10942 stack_regs_mentioned_data. Don't access the array beyond its
10944 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10945 Don't include gt-reg-stack.h.
10947 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10948 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10950 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10952 PR middle-end/26684
10953 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10956 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10958 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10960 2006-03-14 Richard Guenther <rguenther@suse.de>
10962 PR tree-optimization/26672
10963 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10966 2006-03-14 Richard Guenther <rguenther@suse.de>
10968 PR tree-optimization/26667
10969 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10970 node for the callees. Always allow inlining if it will shrink
10973 2006-03-14 Richard Guenther <rguenther@suse.de>
10975 PR middle-end/26659
10976 * builtins.c (get_pointer_alignment): Prefer alignment
10977 information from decls over that from types.
10979 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10982 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10984 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10986 * config/rs6000/rs6000.opt (mdlmzb): New option.
10987 (msched-prolog, msched-epilog): Use Var not Mask.
10988 * doc/invoke.texi (-mdlmzb): Document.
10989 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10991 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10992 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10994 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10996 PR rtl-optimization/25739
10997 * bt-load.c (augment_live_range): Free tos pointer.
10999 * gensupport.c (identify_predicable_attribute): Free
11001 * gcov.c (create_file_names): Free name pointer.
11003 2006-03-13 Roger Sayle <roger@eyesopen.com>
11005 PR middle-end/26557
11006 * stmt.c (emit_case_nodes): Handle the case where the index is a
11007 CONST_INT, where the comparison mode is specified by the index type.
11009 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11011 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11014 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11016 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11017 (*branch_fp_inverted): Likewise.
11019 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11021 PR middle-end/25989
11022 * omp-low.c (expand_omp_for_generic): Mark istart0
11023 and iend0 as addressable.
11025 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11027 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11029 2006-03-13 Jeff Law <law@redhat.com>
11031 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11032 virtual operands are interesting.
11033 (vrp_visit_stmt): Corresponding changes.
11035 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11037 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11039 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11040 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11041 * config/bfin/crti.S: Use it instead of __PIC__.
11042 * config/bfin/crtn.S: Likewise.
11044 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11045 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11047 Lose 'G' modifier for call operand.
11048 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11049 recognize 'G' modifier.
11051 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11053 PR middle-end/18859
11054 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11055 * stmt.c (expand_case): Likewise.
11057 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11059 PR rtl-optimization/26254
11060 * loop-invariant.c (seq_insns_valid_p): New function.
11061 (move_invariant_reg): Only emit new code if it is valid.
11063 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11065 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11067 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11068 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11069 (commit_one_edge_insertion): Do not look for loop notes.
11071 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11073 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11074 flag_test_coverage out of loop.
11076 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11078 * final.c (shorten_branches): Remove outdated comment, and turn
11079 the if branch that guards it to continue.
11081 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11083 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11084 * cfgloop.h (struct loop): Remove unused fields.
11086 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11088 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11089 (-dL, -fdump-rtl-loop2): Update the dump file names
11091 * doc/invoke.texi: Update dump file names.
11093 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11095 * predict.c (estimate_probability): Remove.
11096 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11097 * basic-block.h (estimate_probability): Remove prototype.
11098 * passes.c (finish_optimization_passes): Dump branch prediction or
11099 profiling heuristics to the .profile tree dump.
11100 (init_optimization_passes): Unqueue pass_branch_prob.
11102 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11104 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11106 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11107 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11109 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11111 * function.h (frame_offset_overflow): Declare.
11112 * function.c (frame_offset_overflow): New function.
11113 (assign_stack_local_1): Call it to detect that the offset overflows.
11114 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11116 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11118 * config/sh/sh.c: Include alloc-pool.h.
11119 (label_ref_list_pool): New alloc pool.
11120 (label_ref_list_t): New type for lists of labels.
11121 (struct pool_node): Make wend a label_ref_list_t.
11122 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11124 (dump_table): Likewise.
11125 (sh_reorg): Set up the alloc pool before using add_constant and
11126 dump_table, and destroy it when finishing.
11128 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11130 * config/mips/mips.c: Remove redundant comment.
11132 2006-03-10 Jason Merrill <jason@redhat.com>
11135 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11136 the target was declared 'register'.
11138 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11140 * genpreds.c (write_insn_constraint_len): Change definition of
11141 insn_constraint_len to return size_t to match the declaration.
11143 2006-03-10 DJ Delorie <dj@redhat.com>
11145 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11147 (m32c_expand_insv): Fix test for an AND mask.
11149 2006-03-10 Richard Guenther <rguenther@suse.de>
11151 PR middle-end/26565
11152 * builtins.c (get_pointer_alignment): Handle component
11153 references for field alignment.
11155 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11157 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11158 when building with libgloss.
11159 (sh*elf): Implement --without-fp option.
11160 (sh64-superh-linux*): Don't multilib.
11162 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11164 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11166 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11168 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11169 Set it when one of the replacement functions returned true.
11170 Return TODO_cleanup_cfg if cfgchanged is true.
11171 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11173 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11175 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11176 instead of gen_lowpart.
11178 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11180 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11182 (mips_output_order_conditional_branch): Declare.
11183 * config/mips/mips.h (MIPS_BRANCH): New macro.
11184 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11185 for the comparison. Use gen_condjump.
11186 (mips_output_conditional_branch): Rework interface to take the
11187 asm templates for a direct branch and the inverse of a direct branch.
11188 (mips_output_order_conditional_branch): New function.
11189 (mips_builtin_branch_and_move): New function.
11190 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11191 branch condition. Use gen_single_cc as the condition for
11192 __builtin_mips_upper_* or __builtin_mips_lower_*.
11193 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11194 Use VOIDmode for the branch condition.
11195 * config/mips/predicates.md (order_operator): New predicate.
11196 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11197 (branch_fp): Rename to...
11198 (*branch_fp): ...this. Remove mode from comparison operator.
11199 Use new mips_output_conditional_branch interface.
11200 (branch_fp_inverted): Rename to...
11201 (*branch_fp_inverted): ...this and update as for *branch_fp.
11202 (*branch_zero<mode>): Rename to...
11203 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11204 Use mips_output_order_conditional_branch. Only accept ordered
11206 (*branch_zero<mode>_inverted): Rename to...
11207 (*branch_order<mode>_inverted): ...this and update as for
11208 *branch_order<mode>.
11209 (*branch_equality<mode>): Accept zero as the second operand to
11210 the equality operator. Use the new mips_output_conditional_branch
11212 (*branch_equality<mode>_inverted): Likewise.
11213 (condjump): New expander.
11214 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11216 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11217 (bc1any2t, bc1any2f): Likewise.
11218 (single_cc): New expander.
11219 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11221 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11223 * doc/md.texi: Update documentation of MIPS constraints.
11224 * config/mips/constraints.md: New file.
11225 * config/mips/mips.md: Include it.
11226 * config/mips/mips.c (mips_char_to_class): Delete.
11227 (override_options): Don't initialize mips_char_to_class.
11228 * config/mips/mips.h (mips_char_to_class): Delete.
11229 (REG_CLASS_FROM_LETTER): Delete.
11230 (CONST_OK_FOR_LETTER_P): Delete.
11231 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11232 (EXTRA_CONSTRAINT_Y): Delete.
11233 (EXTRA_CONSTRAINT_STR): Delete.
11234 (CONSTRAINT_LEN): Delete.
11235 (EXTRA_MEMORY_CONSTRAINT): Delete.
11237 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11239 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11240 original fn's eh regions.
11242 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11244 * fold-const.c (build_range_check): Make sure to use a valid type to
11245 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11248 (range_predecessor): New static function.
11249 (range_successor): Likewise.
11250 (merge_ranges): Use them to compute predecessors and successors of
11253 2006-03-09 Roger Sayle <roger@eyesopen.com>
11255 PR middle-end/26561
11256 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11257 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11259 2006-03-08 DJ Delorie <dj@redhat.com>
11261 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11262 (addpsi3): Expand to include memory operands. Remove
11263 reload-specific splits.
11264 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11265 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11266 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11267 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11268 (shift1_qi, shift1_hi, insv): New.
11269 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11270 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11271 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11273 * config/m32c/m32c-protos.h: Update as needed.
11274 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11275 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11276 Fail for unrecognized R* constraints.
11277 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11278 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11279 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11281 (m32c_init_libfuncs): New.
11282 (m32c_legitimate_address_p): Add debug wrapper.
11283 (m32c_rtx_costs): New.
11284 (m32c_address_cost): New.
11285 (conversions): Add 'B' prefix.
11286 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11287 operands, or word regnames for QI operands. 'B' prints bit
11289 (m32c_expand_setmemhi): New.
11290 (m32c_expand_movmemhi): New.
11291 (m32c_expand_movstr): New.
11292 (m32c_expand_cmpstr): New.
11293 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11294 (m32c_expand_neg_mulpsi3): Handle non-ints.
11295 (m32c_cmp_flg_0): New.
11296 (m32c_expand_movcc): New.
11297 (m32c_expand_insv): New.
11298 (m32c_scc_pattern): New.
11299 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11300 a0/a1 out of SIregs.
11301 (STORE_FLAG_VALUE): New.
11302 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11305 * config/m32c/mov.md: Make constraints more liberal.
11306 (zero_extendqihi2): Optimize r0/r1 case.
11307 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11308 * config/m32c/predicates.md (m32c_any_operand): New.
11309 (m32c_nonimmediate_operand): New.
11310 (m32c_hl_operand): New.
11311 (m32c_r3_operand): New.
11314 (memsym_operand): New.
11315 (memimmed_operand): New.
11316 (a_qi_operand): New.
11317 (m32c_eqne_operator): New.
11318 (m32c_1bit8_operand): New.
11319 (m32c_1bit16_operand): New.
11320 (m32c_1mask8_operand): New.
11321 (m32c_1mask16_operand): New.
11322 * config/m32c/blkmov.md: New file.
11323 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11325 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11327 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11328 unsigned to fix signed/unsigned comparison issue in
11329 DWARF2_FRAME_REG_OUT.
11330 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11331 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11333 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11334 of ptr into the ENABLE_CHECKING section.
11336 2006-03-08 Jeff Law <law@redhat.com>
11338 * tree-vrp.c (infer_value_range): Only count pointer uses
11339 and dereferences if -fdelete-null-pointer-checks is enabled.
11341 * tree-vrp.c (find_assert_locations): Infer value ranges for
11342 single use pointers, but do not create ASSERT_EXPRs for them.
11343 When a non-null range is inferred for a pointer, backwards
11344 propagate that range to other equivalent pointers through the
11347 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11350 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11351 language hook targets.
11352 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11353 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11354 if language hook targets were missing.
11356 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11358 * tree-ssa-opfinalize.h: Removed.
11359 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11361 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11362 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11363 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11364 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11365 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11366 finalize_ssa_v_must_def_ops): New.
11368 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11370 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11371 block as parameter.
11373 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11375 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11377 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11378 addresses with offsets; reorganize.
11380 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11381 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11382 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11384 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11387 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11389 2006-03-08 Ben Elliston <bje@au.ibm.com>
11391 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11393 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11396 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11399 2006-03-07 Richard Guenther <rguenther@suse.de>
11401 PR tree-optimization/26587
11402 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11404 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11406 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11408 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11410 * hooks.c (hook_bool_mode_rtx_true): New function.
11411 * hooks.h (hook_bool_mode_rtx_true): Declare.
11412 * toplev.c (compile_file): Call output_shared_constant_pool.
11413 * varasm.c (shared_constant_pool): New variable.
11414 (assemble_start_function, assemble_end_function): Remove arguments
11415 from call to output_constant_pool.
11416 (create_constant_pool): New function, split out from...
11417 (init_varasm_status): ...here.
11418 (force_const_mem): Choose between the shared and per-function constant
11419 pools. Set current_function_uses_const_pool when reusing old entries
11420 as well as when creating new ones.
11421 (mark_constant): Ignore data argument.
11422 (mark_constants): Remove pool argument.
11423 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11424 to decide whether the function uses a constant pool.
11425 (output_constant_pool_contents): New function, split out from...
11426 (output_constant_pool): ...here.
11427 (output_shared_constant_pool): New function.
11428 (init_varasm_once): Initialize shared_constant_pool.
11429 * output.h (output_constant_pool): Delete.
11430 (output_shared_constant_pool): Declare.
11431 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11432 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11434 2006-03-06 Nick Clifton <nickc@redhat.com>
11436 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11437 flag_strength_reduce.
11439 2006-03-06 Ben Elliston <bje@au.ibm.com>
11441 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11442 x86_64-*-linux* configurations.
11444 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11445 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11447 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11449 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11451 * basic-block.h: Remove the extern for
11452 rediscover_loops_after_threading.
11454 * cfgloop.c (cancel_loop): Make it static.
11455 * cfgloop.h: Remove the prototype for cancel_loop.
11457 * flow.c (recompute_reg_usage): Make it static.
11458 * rtl.h: Remove the prototype for recompute_reg_usage.
11460 * function.c (use_return_register): Make it static.
11461 * function.h: Remove the prototype.
11463 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11465 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11467 * recog.h: Remove the prototype for
11468 validate_change_maybe_volatile.
11470 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11472 * rtlanal.c (replace_reg): Remove.
11473 * rtl.h: Remove the prototype for replace_reg.
11475 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11477 * regclass.c (reg_scan_update): Remove.
11478 (reg_scan_mark_refs): Remove the last argument.
11479 * rtl.h: Remove the prototype for reg_scan_update.
11481 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11483 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11484 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11485 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11486 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11487 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11488 loop-invariant.c, omp-low.c, opts.c, passes.c,
11489 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11490 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11491 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11492 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11493 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11494 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11496 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11498 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11499 * dwarf2out.h: Remove the prototype for
11500 dwarf2out_add_library_unit_info.
11502 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11504 * tree.c (add_var_to_bind_expr): Remove.
11505 * tree.h: Remove the prototype for add_var_to_bind_expr.
11507 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11509 * regclass.c (n_non_fixed_regs): Remove.
11510 (init_reg_sets_1, globalize_reg): Remove all uses of
11512 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11514 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11516 * rtlanal.c (insns_safe_to_move_p): Remove.
11517 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11519 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11521 * expmed.c (expand_mult_add): Remove.
11522 * expr.h: Remove the prototype for expand_mult_add.
11524 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11526 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11527 and REG_SAVED_VAL_EXP constants.
11528 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11529 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11530 Handle regs stored by value.
11531 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11532 (execute_cfa_program): Handle DW_CFA_val_offset,
11533 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11534 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11535 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11536 (uw_install_context_1): Handle target regs stored by value.
11538 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11540 * tree-sra.c (tree_sra): Return todoflags;
11541 (generate_one_element): Set TODO_update_smt_usage if needed.
11542 (pass_sra): Remove TODO_update_smt_usage.
11543 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11545 (tree_ssa_forward_propagate_single_use_vars): Return
11546 TODO_update_smt_usage if we need to update SMT usage.
11547 (pass_forwprop): Remove TODO_update_smt_usage.
11549 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11551 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11552 (correct_use_link): Remove reference to get_stmt_operands.
11553 (update_stmt_operands): Likewise.
11554 (get_modify_expr_operands): New function factored out of
11555 parse_ssa_operands and get_expr_operands.
11556 Try to create V_MUST_DEFs for LHS by default.
11557 (get_expr_operands) <case MODIFY_EXPR>: Call
11558 get_modify_expr_operands.
11559 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11560 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11561 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11562 get_modify_expr_operands.
11564 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11566 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11567 * tree-flow.h: Remove the prototype for
11568 referenced_var_lookup_if_exists.
11570 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11572 PR rtl-optimization/26345
11574 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11576 2006-03-03 Roger Sayle <roger@eyesopen.com>
11578 PR tree-optimization/26524
11579 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11580 fold_convert to create a constant of the appropriate type.
11582 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11584 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11585 SYMBOL_REF_IN_BLOCK_P.
11586 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11587 of SYMBOL_FLAG_IN_BLOCK.
11588 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11589 instead of SYMBOL_REF_IN_BLOCK_P.
11590 * explow.c (use_anchored_address): Likewise.
11591 * rtl.c (rtx_size): Likewise.
11592 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11593 instead of SYMBOL_FLAG_IN_BLOCK.
11594 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11595 SYMBOL_REF_IN_BLOCK_P.
11596 (assemble_variable): Likewise.
11597 (output_constant_def_contents): Likewise.
11598 (output_constant_pool): Likewise.
11599 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11600 instead of SYMBOL_FLAG_IN_BLOCK.
11601 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11602 SYMBOL_REF_IN_BLOCK_P.
11603 (SYMBOL_REF_BLOCK): Likewise.
11604 (SYMBOL_REF_OFFSET): Likewise.
11605 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11606 SYMBOL_REF_IN_BLOCK_P.
11607 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11608 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11609 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11610 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11612 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11614 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11616 2006-03-02 Roger Sayle <roger@eyesopen.com>
11618 * simplify-rtx.c (simplify_unary_operation): When simplifying
11619 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11620 that we perform the right shift in the appropriate mode, and
11621 then extend or truncate the result to requested mode.
11623 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11625 * gengtype.c (main): Handle double_int type.
11626 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11627 * double-int.c: New file.
11628 * double-int.h: New file.
11629 * system.h: Include doubleint.h.
11630 * Makefile.in (SYSTEM_H): Include double-int.h.
11631 (double-int.o): Add.
11633 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11636 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11639 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11641 * tree-vrp.c (remove_range_assertions): Do not update statements
11644 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11646 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11648 * gcse.c (rest_of_handle_gcse): Ditto.
11649 * except.c (gate_handle_eh): Ditto.
11650 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11651 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11653 2006-03-02 Eric Christopher <echristo@apple.com>
11655 * config/i386/i386.c (machopic_output_stub): Add indirection to
11658 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11662 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11664 Sun Niagara specific optimizations.
11665 * config.gcc: Recognize niagara as target.
11666 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11667 (TARGET_CPU_niagara): Define.
11668 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11669 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11670 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11671 (ASM_CPU_SPEC): Likewise.
11672 (PROCESSOR_NIAGARA): New enum entry.
11673 (REGISTER_MOVE_COST): Handle Niagara.
11674 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11675 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11676 (sparc_override_options): Recognize "niagara", set appropriate
11677 default MASK_* values for it, and align functions to 32-bytes
11678 by default just like ULTRASPARC/ULTRASPARC3.
11679 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11680 (sparc64_initialize_trampoline): Likewise.
11681 (sparc_use_sched_lookahead): Use zero for niagara.
11682 (sparc_issue_rate): Use one for niagara.
11683 * config/sparc/niagara.md: New file.
11684 * config/sparc/sparc.md: Include it.
11685 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11686 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11687 when default cpu is niagara.
11688 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11689 (ASM_CPU_SPEC): Likewise.
11690 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11691 when default cpu is niagara.
11692 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11693 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11694 just like v9/ultrasparc/ultrasparc3.
11695 * doc/invoke.texi: Add documentation for "niagara" and improve
11696 existing documentation for ultrasparc variants.
11698 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11700 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11702 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11704 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11705 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11706 and say that only one is needed.
11707 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11708 * target.h (have_switchable_bss_sections): New hook.
11709 * explow.c (use_anchored_address): Check that the symbol is in a block.
11710 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11711 (bss_noswitch_section): New variables.
11712 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11713 (get_noswitch_section): New function.
11714 (get_block_for_section): Allow SECT to be null.
11715 (unlikely_text_section_p): Use SECTION_STYLE.
11716 (bss_initializer_p): New function.
11717 (get_variable_section): Move earlier in file. Take a new argument,
11718 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11719 Return one of the new *_sections in such cases.
11720 (get_block_for_decl): New function, extracting some logic from
11721 use_blocks_for_decl_p.
11722 (change_symbol_section): Remove in favor of...
11723 (change_symbol_block): ...this new function.
11724 (use_blocks_for_decl_p): Remove checks now performed by
11725 get_block_for_decl.
11726 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11727 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11728 (emit_local, emit_bss, emit_common): ...these new functions.
11729 Return true if the alignment was honored.
11730 (emit_tls_common): New function.
11731 (asm_emit_uninitialised): Delete.
11732 (assemble_variable_noswitch): New function, split out from...
11733 (assemble_variable): ...here. Don't make decisions about common
11734 variables here. Globalize all public decls that go into non-common
11735 sections. Check whether SYMBOL_REF_BLOCK is null.
11736 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11737 (output_constant_pool): Likewise.
11738 (init_varasm_once): Initialize the new section variables.
11739 (have_global_bss_p): New function.
11740 (categorize_decl_for_section): Use bss_initializer_p.
11741 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11742 (place_block_symbol): Assert that the symbol must be in a block.
11743 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11744 (TARGET_INITIALIZER): Include it.
11745 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11746 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11747 (SECTION_MACH_DEP): Bump by two.
11748 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11749 (unnamed_section): Mention SECTION_UNNAMED in comment.
11750 (named_section): Likewise SECTION_NAMED.
11751 (noswitch_section_callback): New type.
11752 (noswitch_section): New structure.
11753 (section): Add a noswitch_section alternative.
11754 (SECTION_STYLE): New macro.
11755 (tls_comm_section, comm_section, lcomm_section): Declare.
11756 (bss_noswitch_section, have_global_bss_p): Declare.
11757 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11758 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11760 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11761 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11764 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11766 * tree-vrp.c (execute_vrp): Return value.
11767 * regrename.c (rest_of_handle_regrename): Ditto.
11768 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11769 * tree-complex.c (tree_lower_complex): Ditto.
11770 (tree_lower_complex_O0): Ditto.
11771 * tracer.c (rest_of_handle_tracer): Ditto.
11772 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11773 * postreload.c (rest_of_handle_postreload): Ditto.
11774 * tree-tailcall.c (execute_tail_recursion): Ditto.
11775 (execute_tail_calls): Ditto.
11776 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11777 * tree.h (init_function_for_compilation): Ditto.
11778 * ipa-cp.c (ipcp_driver): Ditto.
11779 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11780 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11781 * final.c (compute_alignments): Ditto.
11782 (rest_of_handle_final): Ditto.
11783 (rest_of_handle_shorten_branches): Ditto.
11784 (rest_of_clean_state): Ditto.
11785 * omp-low.c (execute_expand_omp): Ditto.
11786 (execute_lower_omp): Ditto.
11787 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11788 * ipa-reference.c (static_execute): Ditto.
11789 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11790 * reorg.c (rest_of_handle_delay_slots): Ditto.
11791 (rest_of_handle_machine_reorg): Ditto.
11792 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11793 * flow.c (recompute_reg_usage): Ditto.
11794 (rest_of_handle_remove_death_notes): Ditto.
11795 (rest_of_handle_life): Ditto.
11796 (rest_of_handle_flow2): Ditto.
11797 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11798 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11799 (do_ssa_store_ccp): Ditto.
11800 (execute_fold_all_builtins): Ditto.
11801 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11802 * modulo-sched.c (rest_of_handle_sms): Ditto.
11803 * ipa-pure-const.c (static_execute): Ditto.
11804 * cse.c (rest_of_handle_cse): Ditto.
11805 (rest_of_handle_cse2): Ditto.
11806 * web.c (rest_of_handle_web): Ditto.
11807 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11808 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11809 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11810 * tree-nrv.c (tree_nrv): Ditto.
11811 (execute_return_slot_opt): Ditto.
11812 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11813 (create_structure_vars): Ditto.
11814 * loop-init.c (rtl_loop_init): Ditto.
11815 (rtl_loop_done): Ditto.
11816 (rtl_move_loop_invariants): Ditto.
11817 (rtl_unswitch): Ditto.
11818 (rtl_unroll_and_peel_loops): Ditto.
11819 (rtl_doloop): Ditto.
11820 * gimple-low.c (lower_function_body): Ditto.
11821 (mark_used_blocks): Ditto.
11822 * tree-ssa-sink.c (execute_sink_code): Ditto.
11823 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11824 (cgraph_early_inlining): Ditto.
11825 * global.c (rest_of_handle_global_alloc): Ditto.
11826 * jump.c (cleanup_barriers): Ditto.
11827 (purge_line_number_notes): Ditto.
11828 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11829 (rest_of_handle_if_after_reload): Ditto.
11830 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11831 (tree_ssa_loop_im): Ditto.
11832 (tree_ssa_loop_unswitch): Ditto.
11833 (tree_vectorize): Ditto.
11834 (tree_linear_transform): Ditto.
11835 (tree_ssa_loop_ivcanon): Ditto.
11836 (tree_ssa_empty_loop): Ditto.
11837 (tree_ssa_loop_bounds): Ditto.
11838 (tree_complete_unroll): Ditto.
11839 (tree_ssa_loop_prefetch): Ditto.
11840 (tree_ssa_loop_ivopts): Ditto.
11841 (tree_ssa_loop_done): Ditto.
11842 * predict.c (tree_estimate_probability): Ditto.
11843 * recog.c (split_all_insns_noflow): Ditto.
11844 (rest_of_handle_peephole2): Ditto.
11845 (rest_of_handle_split_all_insns): Ditto.
11846 * tree-eh.c (lower_eh_constructs): Ditto.
11847 * regmove.c (rest_of_handle_regmove): Ditto.
11848 (rest_of_handle_stack_adjustments): Ditto.
11849 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11850 * function.c (instantiate_virtual_regs): Ditto.
11851 (init_function_for_compilation): Ditto.
11852 (rest_of_handle_check_leaf_regs): Ditto.
11853 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11854 (rest_of_handle_gcse): Ditto.
11855 * ipa-type-escape.c (type_escape_execute): Ditto.
11856 * alias.c (rest_of_handle_cfg): Ditto.
11857 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11858 * profile.c (rest_of_handle_branch_prob): Ditto.
11859 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11860 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11861 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11862 * tree-dfa.c (find_referenced_vars): Ditto.
11863 * except.c (set_nothrow_function_flags): Ditto.
11864 (convert_to_eh_region_ranges): Ditto.
11865 (rest_of_handle_eh): Ditto.
11866 * emit-rtl.c (unshare_all_rtl): Ditto.
11867 (remove_unnecessary_notes): Ditto.
11868 * except.h (set_nothrow_function_flags): Ditto.
11869 (convert_to_eh_region_ranges): Ditto.
11870 * cfgexpand.c (tree_expand_cfg): Ditto.
11871 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11872 * tree-ssa-pre.c (do_pre): Ditto.
11873 (execute_fre): Ditto.
11874 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11875 (rest_of_handle_jump2): Ditto.
11876 * tree-sra.c (tree_sra): Ditto.
11877 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11878 (execute_mudflap_function_decls): Ditto.
11879 * tree-ssa-copy.c (do_copy_prop): Ditto.
11880 (do_store_copy_prop): Ditto.
11881 * ipa-prop.h (ipcp_driver): Ditto.
11882 * cfglayout.c (insn_locators_initialize): Ditto.
11883 * tree-ssa-forwprop.c
11884 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11885 * cfglayout.h (insn_locators_initialize): Ditto.
11886 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11887 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11888 (execute_late_warn_uninitialized): Ditto.
11889 * rtl.h (cleanup_barriers): Ditto.
11890 (split_all_insns_noflow): Ditto.
11891 (purge_line_number_notes): Ditto.
11892 (unshare_all_rtl): Ditto.
11893 (remove_unnecessary_notes): Ditto.
11894 (recompute_reg_usage): Ditto.
11895 (variable_tracking_main): Ditto.
11896 * integrate.c (emit_initial_value_sets): Ditto.
11897 * integrate.h (emit_initial_value_sets): Ditto.
11898 * tree-optimize.c (execute_free_datastructures): Ditto
11899 (execute_free_cfg_annotations): Ditto.
11900 (execute_fixup_cfg): Ditto.
11901 (execute_cleanup_cfg_pre_ipa): Ditto.
11902 (execute_cleanup_cfg_post_optimizing): Ditto.
11903 (execute_init_datastructures): Ditto.
11904 * tree-object-size.c (compute_object_sizes): Ditto.
11905 * combine.c (rest_of_handle_combine): Ditto.
11906 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11907 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11908 (rest_of_handle_reorder_blocks): Ditto.
11909 (rest_of_handle_partition_blocks): Ditto.
11910 * var-tracking.c (variable_tracking_main): Ditto.
11911 * tree-profile.c (tree_profiling): Ditto.
11912 * tree-vect-generic.c (expand_vector_operations): Ditto.
11913 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11914 * sched-rgn.c (rest_of_handle_sched): Ditto.
11915 (rest_of_handle_sched2): Ditto.
11916 * basic-block.h (free_bb_insn): Ditto.
11917 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11918 * tree-cfg.c (execute_build_cfg): Ditto.
11919 (remove_useless_stmts): Ditto.
11920 (split_critical_edges): Ditto.
11921 (execute_warn_function_return): Ditto.
11922 (execute_warn_function_noreturn): Ditto.
11923 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11924 * cfgrtl.c (free_bb_for_insn): Ditto.
11925 * passes.c (execute_one_pass): Run additional
11926 todos returned by execute function.
11927 * tree-pass.h (struct tree_opt_pass): Make execute
11930 2006-03-02 Richard Guenther <rguenther@suse.de>
11932 * tree-ssa-alias.c (find_used_portions): Consider taking
11933 the address as making the variable not write-only.
11935 2006-03-02 Nick Clifton <nickc@redhat.com>
11937 * config.gcc (default_use_cxa_atexit): Extend the description of
11938 this configure variable. Set its default value to "yes" for
11939 Linux, NetBSD and ELF targets on the assumption that they will
11940 use C libraries with the __cxa_atexit function.
11942 2006-03-02 Ben Elliston <bje@au.ibm.com>
11944 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11945 parameter as unused to suppress a build warning.
11947 2006-03-02 Ben Elliston <bje@au.ibm.com>
11949 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11952 2006-03-01 Roger Sayle <roger@eyesopen.com>
11955 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11956 declared name, the weak reference name, and the typeof name.
11957 (__gthrw): Avoid expanding the declared name suffix.
11958 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11960 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11962 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11964 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11965 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11966 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11967 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11968 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11969 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11970 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11971 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11972 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11973 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11974 (DW_END_default, DW_END_big, DW_END_little): New.
11975 (DW_END_lo_user, DW_END_hi_user): Define.
11976 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11977 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11978 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11981 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11983 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11985 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11987 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11989 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11991 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11992 to 'symbol_mem_tag'.
11994 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11997 2006-03-01 Roger Sayle <roger@eyesopen.com>
11999 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12001 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12004 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12005 MACHO_DYNAMIC_NO_PIC_P.
12006 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12008 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12011 * config/darwin-protos.h (darwin_asm_output_anchor):
12013 * config/darwin-sections.def (cstring_section):
12014 Add SECTION_MERGE to the flags.
12015 (literal4_section): Likewise.
12016 (literal8_section): Likewise.
12017 (objc_selector_refs_section): Likewise.
12018 (objc_cls_refs_section): Likewise.
12019 * config/darwin.c (darwin_asm_output_anchor): New
12021 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12023 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12025 Fix PR tree-optimization/26443
12026 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12027 to todo and PROP_tmt_usage to properties_destroyed.
12028 * tree-ssa-ccp.c (pass_ccp): Ditto.
12029 (pass_store_ccp): Ditto.
12030 * tree-ssa-dom.c (pass_dominator): Ditto.
12032 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12034 * tree-ssa-operands.c: Cleanup whitespace.
12035 (get_asm_expr_operands): Move before first invocation.
12036 (get_indirect_ref_operands): Likewise.
12037 (get_tmr_operands): Likewise.
12038 (get_call_expr_operands): Likewise.
12039 (append_def): Likewise.
12040 (append_use): Likewise.
12041 (append_v_may_def): Likewise.
12042 (append_v_must_def): Likewise.
12043 (add_call_clobber_ops): Likewise.
12044 (add_call_read_ops): Likewise.
12045 (add_stmt_operand): Likewise.
12046 (add_virtual_operand): Likewise.
12047 (build_ssa_operands): Likewise.
12049 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12051 PR middle-end/26022
12053 PR middle-end/24437
12054 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12055 with a call expr to ...
12056 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12058 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12060 * tree-vrp.c (extract_range_from_assert): Remove special
12061 handling for types with super-types.
12063 2006-03-01 Ben Elliston <bje@au.ibm.com>
12065 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12066 and powerpc64-*-linux* configurations.
12067 * config/t-dfprules: New file.
12069 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12070 Compile dfp-bit.c from the source directory using -DWIDTH and
12071 $DFP_CFLAGS to control the compilation of that file, rather than
12072 generating width-specific versions in the build directory.
12073 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12074 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12076 2006-02-28 Zack Weinberg <zackw@panix.com>
12078 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12081 2006-02-28 Eric Christopher <echristo@apple.com>
12083 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12084 Set up IN_LIBGCC definition of TARGET_64BIT.
12085 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12087 2006-02-28 Roger Sayle <roger@eyesopen.com>
12089 PR middle-end/14752
12090 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12091 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12092 cases via the construction of "expr != 0".
12094 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12096 * alias.c (alias_invariant, alias_invariant_size): Remove.
12097 (record_base_value): Remove.
12098 (memrefs_conflict_p): Don't look at alias_invariant.
12099 (end_alias_analysis): Don't free it.
12100 * alias.h (record_base_value): Remove prototype.
12102 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12103 Adam Nemet <anemet@caviumnetworks.com>
12105 * rtl.h (truncated_to_mode): Declare it.
12106 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12107 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12108 (RTL_HOOKS_INITIALIZER): Include it.
12109 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12110 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12111 reg_truncated_to_mode.
12112 * rtlanal.c (truncated_to_mode): Define it.
12113 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12115 2006-02-28 Jeff Law <law@redhat.com>
12117 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12118 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12119 the range allowed by TYPE_PRECISION.
12121 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12123 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12125 PR tree-optimization/26419
12126 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12129 2006-02-27 Zack Weinberg <zackw@panix.com>
12131 * doc/md.texi: Fix typo in previous change.
12133 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12137 2006-02-27 Zack Weinberg <zackw@panix.com>
12139 * rtl.def (define_constraint, define_register_constraint)
12140 (define_memory_constraint, define_address_constraint): New MD forms.
12141 * gensupport.c (process_rtx): Put define_constraint etc on the
12143 * genpreds.c (process_define_predicate): Adjust comment. Validate
12144 the name, and call validate_exp to validate the expression.
12145 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12146 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12147 all callers changed.
12148 (validate_exp, needs_variable, struct constraint_data)
12149 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12150 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12151 (const_dbl_constraints, constraint_max_namelen)
12152 (have_register_constraints, have_memory_constraints)
12153 (have_address_constraints, have_address_constraints)
12154 (have_extra_constraints, have_const_int_constraints)
12155 (have_const_dbl_constraints, mangle, add_constraint)
12156 (process_define_constraint, process_define_register_constraint)
12157 (write_enum_constraint_num, write_lookup_constraint)
12158 (write_insn_constraint_len, write_regclass_for_constraint)
12159 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12160 (write_insn_extra_memory_constraint)
12161 (write_insn_extra_address_constraint)
12162 (write_satisfies_constraint_fns): New.
12163 (write_tm_preds_h): If we have new-style constraint definitions,
12164 prototype the functions generated from them, and define the
12165 old constraint interface (still used by generic code) in terms of
12167 (write_insn_preds_c): If we have new-style constraint definitions,
12168 generate all relevant functions from those definitions.
12169 (main): Handle define_constraint etc.
12170 * genoutput.c (struct constraint_data, indep_constraints)
12171 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12172 (mdep_constraint_len): New data structures and functions, defined
12173 #ifdef USE_MD_CONSTRAINTS.
12174 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12175 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12176 use new logic to validate operand constraints against constraint
12178 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12180 * defaults.h: If none of the old-style constraint macros are
12181 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12182 old-style macros; and poison REG_CLASS_FROM_LETTER,
12183 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12185 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12186 * doc/md.texi: Document new constraint-definition mechanism and the
12187 C interface it provides. Remove references to old mechanism
12188 elsewhere in the document.
12189 (Machine Constraints): Use pathnames relative to gcc directory,
12190 i.e. config/ARCH/FILE. Change i386 section to refer to
12191 config/i386/predicates.md; update that section to match docstrings.
12192 * doc/tm.texi: Move all documentation of the old constraint-
12193 definition macros to their own section, clearly mark as obsolete.
12195 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12196 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12198 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12199 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12200 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12201 constraint strings.
12202 (splits and peepholes): Use satisfies_constraint_*.
12203 * config/i386/i386.c (memory_address_length)
12204 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12206 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12208 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12209 scalar operation to be put back into the loop.
12211 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12214 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12215 (extract_cie_info): Handle S flag in augmentation string.
12216 (execute_cfa_program): If context->signal_frame, execute also
12217 fs->pc == context->ra instructions.
12218 (uw_frame_state_for): If context->signal_frame, don't subtract one
12219 from context->ra to find FDE.
12220 (uw_update_context_1): Set context->signal_frame to
12222 (_Unwind_GetIPInfo): New function.
12223 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12224 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12226 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12227 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12228 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12229 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12230 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12231 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12232 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12233 x86_64_fallback_frame_state): Set fs->signal_frame.
12234 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12235 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12236 (frob_update_context): Likewise. Workaround missing S flag in
12237 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12238 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12239 Remove the psw_addr + 1 hack.
12241 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12243 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12244 with aggregates here.
12245 (find_func_aliases): Remove code for &<aggregate> from here.
12247 2006-02-26 Roger Sayle <roger@eyesopen.com>
12249 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12250 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12251 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12252 as (X & C) ne/eq 0.
12254 2006-02-26 Roger Sayle <roger@eyesopen.com>
12256 PR middle-end/19983
12257 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12259 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12261 * opts.c (decode_options): Do not handle flag_strength_reduce.
12262 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12263 and OPT_fstrength_reduce.
12264 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12265 flag_prefetch_loop_arrays for being nonzero.
12266 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12268 (fprefetch-loop-arrays-rtl): Removed.
12269 (flag_prefetch_loop_arrays): Do not specify the value.
12271 * doc/passes.texi: Update documentation of loop optimizer
12273 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12274 -frerun-loop-opt): Remove.
12276 2006-02-26 Richard Guenther <rguenther@suse.de>
12278 PR tree-optimization/26421
12279 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12280 in function calls that are ADDR_EXPRs as using the whole structure.
12282 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12284 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12285 * tree-pass.h (pass_loop_optimize): Remove.
12286 * passes.c (pass_loop_optimize): Never run it.
12287 * toplev.c (backend_init): Don't call init_loop.
12288 * opts.c (flag_loop_optimize_set): Remove.
12289 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12290 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12291 the old RTL loop optimizer when profiling enabled.
12292 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12293 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12294 pre-headers for the sake of the old RTL loop optimizer.
12295 * Makefile.in: Remove all references to loop.o.
12297 * doc/invoke.texi: Remove all references to -floop-optimize
12298 and -frerun-loop-opt.
12300 2006-02-26 Zack Weinberg <zackw@panix.com>
12302 * doc/md.texi (Machine Constraints): Refer to all files with paths
12303 relative to gcc directory (i.e. config/CPU/file). Add missing
12304 @table @code ... @end table to M32C subsection.
12306 2006-02-26 Roger Sayle <roger@eyesopen.com>
12308 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12310 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12312 2006-02-26 Roger Sayle <roger@eyesopen.com>
12313 James A. Morrison <phython@gcc.gnu.org>
12315 PR middle-end/21137
12316 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12317 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12318 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12319 signedness of the shift operation.
12321 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12323 PR tree-optimization/26359
12324 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12326 2006-02-25 Roger Sayle <roger@eyesopen.com>
12328 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12329 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12330 as X == 0, and some symmetry related transformations.
12331 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12333 2006-02-25 Roger Sayle <roger@eyesopen.com>
12335 PR middle-end/23673
12336 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12337 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12338 symmetry related transformations. Fold (X^C1) == C2 as
12341 2006-02-25 Juergen Weigert <jw@suse.de>
12342 Richard Guenther <rguenther@suse.de>
12344 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12346 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12348 * combine.c (gen_lowpart_or_truncate): Call
12349 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12351 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12353 * doc/invoke.texi: Move -fopenmp description to "Options for
12355 Remove reference to -lgomp.
12357 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12359 * doc/install.texi: Require GNU tar version 1.14.
12361 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12363 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12364 * doc/invoke.texi (C++ Dialect Options): Document
12365 -fno-use-cxa-get-exception-ptr.
12366 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12367 * configure: Regenerate.
12368 * c.opt (fuse-cxa-get-exception-ptr): New.
12369 * c-opts.c (c_common_handle_option): Handle
12370 OPT_fuse_cxa_get_exception_ptr.
12371 * c-common.c (flag_use_cxa_atexit): Update documentation.
12372 (flag_use_cxa_get_exception_ptr): New.
12373 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12374 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12376 (C_COMMON_OVERRIDE_OPTIONS): New.
12378 2006-02-24 Roger Sayle <roger@eyesopen.com>
12380 PR middle-end/24952
12381 * combine.c (try_combine): Explicitly check whether GET_CODE is
12382 a SET or a CLOBBER, instead on checking that it isn't a USE.
12384 2006-02-24 Roger Sayle <roger@eyesopen.com>
12386 * fold-const.c (fold_comparison): New subroutine of fold_binary
12387 containing transformations common to both the equality and
12388 ordering relational operators, factored out of fold_binary.
12389 (fold_binary): Separate out the equality operators (EQ_EXPR
12390 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12391 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12392 transformations common to both.
12393 (fold_div_compare): Fix latent bugs in the previously unreachable
12394 LT_EXPR and GE_EXPR cases.
12396 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12398 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12399 decl libname for clog to __clog on AIX.
12401 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12403 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12406 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12407 output traceback table for thunks. Localise rs6000_stack_info call.
12409 2006-02-23 Roger Sayle <roger@eyesopen.com>
12410 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12412 * gthr-posix.h (__gthrw): Fix typo in comment.
12414 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12416 * doc/cpp.texi (Character sets): Document that we do support
12417 input files to be in any character set.
12419 2006-02-23 Jeff Law <law@redhat.com>
12421 * tree.h (PHI_ARG_NONZERO): Remove.
12422 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12423 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12424 node to the new node.
12426 PR tree-optimization/26425
12427 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12428 min/max, then assume its varying.
12430 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12432 PR rtl-optimization/26316
12433 * rtlanal.c (enum may_trap_p_flags): New.
12434 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12435 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12436 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12437 (may_trap_after_code_motion_p): New function.
12438 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12439 (find_invariant_insn): Use may_trap_after_code_motion_p.
12440 * rtl.h (may_trap_after_code_motion_p): Declare.
12442 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12444 * emit-rtl.c (immed_double_const): Cleanup.
12446 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12448 Fix PR tree-optimization/26376
12449 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12452 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12454 PR middle-end/26412
12455 * gimplify.c (omp_add_variable): Guard variable size decl test with
12456 DECL_SIZE (decl) check.
12458 2006-02-23 Richard Guenther <rguenther@suse.de>
12460 PR middle-end/26439
12461 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12462 like aggregate types.
12464 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12466 * configure.ac: Add --with{,out}-long-double-128 configure option.
12467 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12468 * configure: Rebuilt.
12469 * config.in: Rebuilt.
12470 * doc/install.texi (Options specification): Document
12471 --with-long-double-128.
12473 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12474 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12475 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12476 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12478 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12480 * config/s390/s390.c (override_options): Handle
12481 TARGET_DEFAULT_LONG_DOUBLE_128.
12483 * config/alpha/alpha.c (override_options): Handle
12484 TARGET_DEFAULT_LONG_DOUBLE_128.
12486 * config/sparc/sparc.c (sparc_override_options): Handle
12487 TARGET_DEFAULT_LONG_DOUBLE_128.
12489 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12491 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12492 (real-install-headers-tar, real-install-headers-cpio)
12493 (real-install-headers-cp): New targets.
12495 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12497 * tree.h (variable_section): Delete.
12498 * varasm.c (variable_section): Delete.
12500 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12502 * install.texi: Add notes on install.texi2html.
12503 (Building in parallel): Do not use footnotes.
12505 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12508 * doc/install.texi (Configuration): Document --disable-libgomp.
12510 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12512 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12514 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12516 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12517 (vec_extractv2df_0_sse): New.
12519 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12521 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12522 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12523 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12524 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12525 to the result of the expression.
12526 (def_cfa_1): Adjust.
12527 (frame_pointer_cfa_offset): Rename to...
12528 (frame_pointer_fb_offset): ... this. Adjust all uses.
12529 (convert_cfa_to_loc_list): Rename to...
12530 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12531 Pass it on to build_cfa_loc.
12532 (compute_frame_pointer_to_cfa_displacement): Rename to...
12533 (compute_frame_pointer_to_fb_displacement): ... this. New
12534 offset parameter. Use it in computation.
12535 (gen_subprogram_die): Compute cfa_fb_offset with the new
12536 macro, and use it to compute the fb loc list and the
12539 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12541 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12542 replaced with register_operand.
12543 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12544 non-DREG is expensive.
12545 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12546 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12549 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12551 * doc/install.texi2html: Use set -e.
12553 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12555 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12556 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12557 * doc/invoke.texi (-fshared-data): Delete.
12558 * common.opt (fshared-data): Delete.
12559 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12560 (assemble_static_space): Remove #if 0 code.
12561 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12562 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12563 * config/cris/cris.h: Remove FIXME.
12565 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12567 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12570 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12572 PR middle-end/26379
12573 * combine.c (simplify_shift_const_1): Disable nested shifts
12574 optimization for vector shifts.
12576 2006-02-20 Roger Sayle <roger@eyesopen.com>
12578 PR tree-optimization/26361
12579 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12580 of unsigned integer types.
12582 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12584 * tree-chrec.c (eq_evolutions_p): New.
12585 * tree-chrec.h (eq_evolutions_p): Declared.
12586 * tree-data-ref.c: Fix formatting.
12587 (datadep_stats, dependence_stats): New.
12589 (print_direction_vector): New.
12590 (dump_data_dependence_relation): Use print_direction_vector.
12591 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12592 (compute_subscript_distance): Static.
12593 (initialize_data_dependence_relation): Static. Get the number
12594 of loops surrounding the references from the callers, and initialize
12595 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12596 base_object_differ_p analyzers.
12597 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12598 compute_overlap_steps_for_affine_1_2,
12599 analyze_subscript_affine_affine): Count the classified dependences.
12600 Print a message when a test failed.
12601 (can_use_analyze_subscript_affine_affine): New.
12602 (analyze_siv_subscript): Compute the data dependences on symbolic
12603 scevs that verify can_use_analyze_subscript_affine_affine.
12604 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12605 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12606 Handle symbolic scevs.
12607 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12609 (subscript_dependence_tester): Moved...
12610 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12611 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12612 DDR_SIZE_VECT instead of getting it in parameter.
12613 (subscript_dependence_tester): ... here. Take as a parameter
12614 loop_nest_depth. Call build_classic_dist_vector and
12615 build_classic_dir_vector.
12616 (compute_affine_dependence): Update subscript_dependence_tester
12617 parameters. Update datadep_stats counters. Call
12618 compute_subscript_distance.
12619 (compute_self_dependence): Save the dist and dir vectors. Call
12620 compute_subscript_distance.
12621 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12622 (compute_all_dependences): Reorder parameters as they were before
12623 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12624 compute_subscript_distance. Update the use of
12625 compute_affine_dependence and initialize_data_dependence_relation.
12626 (find_data_references_in_loop): Handle COMPONENT_REF.
12627 (compute_data_dependences_for_loop): Initialize dependence_stats.
12628 Don't call build_classic_dist_vector and build_classic_dir_vector.
12629 Update the parameters of initialize_data_dependence_relation and
12630 compute_all_dependences. Print the statistics from datadep_stats.
12631 (analyze_all_data_dependences): Static. Not used until the pass for
12632 checking the data dependences is contributed.
12633 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12634 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12635 (initialize_data_dependence_relation, compute_affine_dependence,
12636 analyze_all_data_dependences, compute_subscript_distance): Removed.
12637 (print_direction_vector): New.
12638 * lambda.h (gcd): ... here.
12639 (lambda_vector_gcd): Moved here from gcd_vector.
12640 * lambda-code.c (gcd, gcd_vector): Removed.
12641 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12642 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12644 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12646 * ipa-type-escape.c: Tidy some comments and white space.
12647 * tree-ssa-operands.c: Likewise.
12649 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12652 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12653 (dump_decl_name): Do not walk the decl tree chains.
12654 * tree-pass.h (TDF_CHAIN): Remove.
12656 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12658 * Makefile.in (C): Remove
12660 (.PHONY): Remove C and PROTO
12662 2006-02-20 Roger Sayle <roger@eyesopen.com>
12664 PR middle-end/26236
12665 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12666 deprecated CHAR_TYPE tree code.
12668 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12670 * configure.ac (target_list): Add install-info, dvi, html.
12671 * configure: Regenerate.
12673 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12674 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12675 treelang/Make-lang.in: Do not use double-colon rules.
12677 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12679 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12680 (TMT_USED_ALONE): New macro.
12681 * tree-pass.h (PROP_tmt_usage): New property.
12682 (TODO_update_tmt_usage): New todo.
12683 * tree-ssa-alias.c (updating_used_alone): New variable.
12684 (recalculate_used_alone): New function.
12685 (compute_may_aliases): Set updating_used_alone, call
12686 recalculate_used_alone.
12687 * tree-sra.c (pass_sra): Note that this pass destroys
12688 PROP_tmt_usage, and add TODO_update_tmt_usage.
12689 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12690 * tree-flow.h (updating_used_alone): Prototype.
12691 (recalculate_used_alone): Ditto.
12692 * passes.c (execute_todo): Add code to set updating_used_alone,
12693 and call recalculate.
12694 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12695 for clobber if used alone, and add assert to verify used_alone
12698 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12700 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12701 for non tls symbols added.
12702 (legitimize_address): Do nothing for PLUS expressions if one of the
12703 addends is a tls symbol reference.
12705 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12709 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12711 * Makefile.in (BOOTSTRAPPING): New.
12712 (quickstrap): New definition if BOOTSTRAPPING=yes.
12714 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12715 * configure.ac: Substitute all_selected_languages with the languages
12716 that were configured. For all the other variables except
12717 lang_specs_files, include all the languages in the tree.
12718 * configure: Regenerate.
12720 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12721 if there is one. Run the commands to run fixincludes in the same
12724 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12725 * doc/install.texi: Document exact conventions for searching target tools.
12726 Document --with-build-time-tools. Document toplevel bootstrap. Document
12727 something more about building an Ada cross-compiler. Don't list GNU Make
12728 requirements which affect all platforms.
12730 2006-02-19 Roger Sayle <roger@eyesopen.com>
12732 PR middle-end/19543
12733 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12734 only equivalent if the have both the same mode and precision.
12736 2006-02-20 Ben Elliston <bje@au.ibm.com>
12738 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12740 2006-02-19 Roger Sayle <roger@eyesopen.com>
12741 Steven Bosscher <stevenb.gcc@gmail.com>
12743 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12744 constant pool references to identify stack mode constants.
12745 * rtlanal.c (constant_pool_constant_p): New predicate to check
12746 whether operand is a floating point constant in the pool.
12747 * rtl.h (constant_pool_constant_p): Prototype here.
12748 * loop.c (scan_loop): Avoid hoisting constants from the constant
12749 pool on STACK_REGS targets.
12750 (load_mems): Likewise.
12751 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12752 loads into x87 registers expensive in terms of register pressure.
12754 2006-02-19 Roger Sayle <roger@eyesopen.com>
12756 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12757 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12759 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12761 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12762 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12764 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12766 * doc/invoke.texi: Document -fipa-pta.
12767 * common.opt: Add ipa-pta option.
12768 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12769 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12770 (do_ds_constraint): Ditto.
12771 (get_constraint_for): Only add to referenced_vars if
12772 referenced_vars exists.
12773 (insert_into_field_list): Rewrite to do this unsorted.
12774 (insert_into_field_list_sorted): Rename old insert_into_field_list
12776 (create_function_info_for): Use insert_into_field_list_sorted.
12777 (create_variable_info_for): Rewrite so it uses unsorted version,
12778 since the field list is sorted.
12779 (intra_create_variable_infos): Only add to referenced_vars if
12780 referenced_vars exists.
12781 (ipa_pta_execute): Init heapvars, and delete when done.
12782 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12784 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12786 * doc/install.texi: Add missing `@samp'.
12788 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12790 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12793 2006-02-18 Mark Wielaard <mark@klomp.org>
12795 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12796 who added new 4.1 features, bug fixes and integration support.
12798 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12801 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12802 MEM for ABI_V4 pic.
12804 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12806 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12807 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12808 (copy_insn_1): Likewise. Don't copy each field individually.
12810 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12812 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12813 * rtl.c (rtx_size): Rename variable to...
12814 (rtx_code_size): ...this.
12815 (rtx_size): New function.
12816 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12817 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12819 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12820 * rtl.h (rtx_code_size): New variable.
12821 (rtx_size): Change from a variable to a function.
12822 (RTX_SIZE): Rename to...
12823 (RTX_CODE_SIZE): ...this.
12826 PR tree-optimization/17106
12827 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12828 (Anchored Addresses): New section.
12829 * doc/invoke.texi (-fsection-anchors): Document.
12830 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12831 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12832 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12833 * hooks.c (hook_bool_mode_rtx_false): New function.
12834 * hooks.h (hook_bool_mode_rtx_false): Declare.
12835 * gengtype.c (create_optional_field): New function.
12836 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12837 SYMBOL_REF_IN_BLOCK_P is true.
12838 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12839 (min_anchor_offset, max_anchor_offset): Likewise.
12840 (use_anchors_for_symbol_p): New hook.
12841 * toplev.c (compile_file): Call output_object_blocks.
12842 (target_supports_section_anchors_p): New function.
12843 (process_options): Check that -fsection-anchors is only used on
12844 targets that support it and when -funit-at-a-time is in effect.
12845 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12846 if the decl doesn't have one.
12847 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12848 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12849 of force_const_mem through use_anchored_address.
12850 (expand_expr_constant): New function.
12851 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12852 calling expand_expr for INDIRECT_REF.
12853 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12854 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12855 * expr.h (use_anchored_address): Declare.
12856 * loop-unroll.c: Don't declare rtx vectors here.
12857 * explow.c: Include output.h.
12858 (validize_mem): Call use_anchored_address.
12859 (use_anchored_address): New function.
12860 * common.opt (-fsection-anchors): New switch.
12861 * varasm.c (object_block_htab, anchor_labelno): New variables.
12862 (hash_section, object_block_entry_eq, object_block_entry_hash)
12863 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12864 (use_blocks_for_decl_p, change_symbol_section): New functions.
12865 (get_variable_section): New function, split out from assemble_variable.
12866 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12867 use_blocks_for_decl_p say so. Use change_symbol_section if the
12868 symbol has already been created.
12869 (assemble_variable_contents): New function, split out from...
12870 (assemble_variable): ...here. Don't output any code for
12871 block symbols; just pass them to place_block_symbol.
12872 Use get_variable_section and assemble_variable_contents.
12873 (get_constant_alignment, get_constant_section, get_constant_size): New
12874 functions, split from output_constant_def_contents.
12875 (build_constant_desc): Create a block symbol if use_object_blocks_p
12876 says so. Or into SYMBOL_REF_FLAGS.
12877 (assemble_constant_contents): New function, split from...
12878 (output_constant_def_contents): ...here. Don't output any code
12879 for block symbols; just pass them to place_section_symbol.
12880 Use get_constant_section and get_constant_alignment.
12881 (force_const_mem): Create a block symbol if use_object_blocks_p and
12882 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12883 (output_constant_pool_1): Add an explicit alignment argument.
12884 Don't switch sections here.
12885 (output_constant_pool): Adjust call to output_constant_pool_1.
12886 Switch sections here instead. Don't output anything for block symbols;
12887 just pass them to place_block_symbol.
12888 (init_varasm_once): Initialize object_block_htab.
12889 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12890 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12891 (place_block_symbol, get_section_anchor, output_object_block)
12892 (output_object_block_htab, output_object_blocks): New functions.
12893 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12894 (TARGET_ASM_OUT): Include it.
12895 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12896 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12897 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12898 (TARGET_INITIALIZER): Include them.
12899 * rtl.c (rtl_check_failed_block_symbol): New function.
12900 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12901 (block_symbol, object_block): New structures.
12902 (rtx_def): Add a block_symbol field to the union.
12903 (BLOCK_SYMBOL_CHECK): New macro.
12904 (rtl_check_failed_block_symbol): Declare.
12905 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12906 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12907 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12908 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12909 * output.h (output_section_symbols): Declare.
12910 (object_block): Name structure.
12911 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12912 (default_use_anchors_for_symbol_p): Declare.
12913 * Makefile.in (RTL_BASE_H): Add vec.h.
12914 (explow.o): Depend on output.h.
12915 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12916 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12917 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12918 (rs6000_use_blocks_for_constant_p): New function.
12920 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12922 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12924 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12927 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12930 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12932 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12936 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12938 PR middle-end/26334
12939 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12940 instead of DECL_REGISTER.
12942 2006-02-18 Olivier Hainque <hainque@adacore.com>
12945 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12947 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12950 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12951 * opth-gen.awk: Handle Var and InverseMask together.
12952 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12953 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12954 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12955 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12957 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12958 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12959 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12960 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12961 LINUX_DYNAMIC_LINKER): Define.
12962 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12963 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12965 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12966 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12967 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12968 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12969 (TARGET_C99_FUNCTIONS): Don't define.
12970 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12971 GLIBC_DYNAMIC_LINKER.
12972 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12973 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12974 GLIBC_DYNAMIC_LINKER64): Define.
12975 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12976 LINUX_DYNAMIC_LINKER64.
12977 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12978 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12979 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12980 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12981 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12982 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12983 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12984 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12985 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12986 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12987 and LINUX_DYNAMIC_LINKER32.
12988 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12989 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12990 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12991 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12992 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12994 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12995 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12996 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12997 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12998 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12999 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13000 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13001 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13002 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13003 LINUX_DYNAMIC_LINKER): Define.
13004 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13005 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13006 GLIBC_DYNAMIC_LINKER64): Define.
13007 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13008 LINUX_DYNAMIC_LINKER64.
13009 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13010 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13011 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13012 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13013 LINUX_DYNAMIC_LINKER): Define.
13014 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13015 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13016 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13017 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13018 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13019 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13020 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13021 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13022 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13023 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13024 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13025 * doc/invoke.texi (-muclibc): Remove caveat about supported
13028 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13030 * doc/cpp.texi (__TIMESTAMP__): Document.
13032 2006-02-17 Roger Sayle <roger@eyesopen.com>
13034 PR middle-end/25600
13035 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13036 C is one less than the width of X (and related transformations).
13037 * simplify-rtx.c (simplify_unary_operation_1): Transform
13038 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13039 depending on STORE_FLAG_VALUE, were C is one less then the
13042 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13044 Fix PR tree-optimization/26341
13045 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13046 about NAME_MEMORY_TAG's.
13048 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13051 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13052 with hardware float support, and software float support. Add fcpy
13053 alternative to hardware patterns. Add alternatives to copy between
13054 general and floating-point registers to the 32-bit pattern.
13055 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13056 secondary reload to load a QI or HI mode constant into a floating
13058 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13059 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13061 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13064 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13066 (load_macho_picbase_di): Likewise.
13068 2006-02-16 Jeff Law <law@redhat.com>
13070 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13071 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13072 (ssa_name_nonzero_p): Likewise.
13073 (get_value_range): Return NULL if VRP is not running.
13074 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13075 VRP routines do not discover a range.
13076 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13077 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13078 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13079 (tree_expr_nonnegative_p): Similarly.
13080 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13081 (restore_nonzero_vars_to_original_value): Remove.
13082 (unsafe_associative_fp_binop): Remove.
13083 (tree_ssa_dominator_optimize): Remove initialization and
13084 finalization of nonzero_vars and nonzero_vars_stack.
13085 (dom_opt_initialize_block): No longer push marker on
13086 nonzero_vars_stack.
13087 (dom_opt_finalize_block): No longer call
13088 restore_nonzero_vars_to_original_value.
13089 (record_equivalences_from_phis): No longer look for
13090 nonzero PHI arguments.
13091 (cprop_into_successor_phis): No longer propagate nonzero
13092 property into PHI arguments. Lose unused argument. Caller
13094 (record_equivalences_from_stmt): No longer record nonzero
13095 values for SSA_NAMEs.
13096 (lookup_avail_expr): No longer use nonzero_vars.
13098 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13099 for sizetype when sizetype is unsigned.
13101 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13103 PR rtl-optimization/25603
13104 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13105 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13106 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13107 with new meaning of SETS.
13109 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13114 * config/linux.opt: New file.
13115 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13116 LINUX_DYNAMIC_LINKER): Define.
13117 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13118 * config.gcc (*-*-linux*): Define extra_options.
13119 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13120 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13121 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13122 GLIBC_DYNAMIC_LINKER.
13123 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13124 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13125 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13126 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13127 * doc/invoke.texi (GNU/Linux Options): New section.
13129 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13131 * config/sparc/sparc.md (setjmp): Rewrite.
13132 (setjmp_32): Delete.
13133 (setjmp_64): Likewise.
13135 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13137 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13140 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13142 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13145 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13147 PR rtl-optimization/26296
13148 * Makefile.in (loop-invariant.c): Add except.h dependency.
13149 * loop-invariant.c: Include except.h.
13150 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13152 2005-02-16 Paul Brook <paul@codesourcery.com>
13154 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13157 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13159 PR rtl-optimization/25636
13160 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13161 when deciding whether an insn is an initializing insn.
13163 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13165 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13166 (tree_code_size): Ditto.
13167 * tree.h (struct tree_memory_tag): Remove parent_var.
13168 (struct tree_struct_field_tag): New.
13171 (union tree_node): Add sft member.
13172 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13174 (create_sft): Add size and offset argument, set SFT_OFFSET and
13176 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13177 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13178 * tree-flow-inline.h (get_subvar_at): Update for
13179 SFT_OFFSET/SFT_SIZE.
13180 (var_can_have_subvars): Ditto.
13181 (overlap_subvar): Ditto.
13182 * print-tree.c (print_node): Print out interesting things for
13184 * tree-flow.h (struct subvar): Remove offset and size members.
13185 * tree-ssa-operands.c (get_expr_operands): Update for
13186 get_indirect_ref_operands changes.
13187 (get_indirect_ref_operands): Call add_virtual_operand instead of
13188 add_stmt_operand. Only recurse on base var if requested.
13189 (access_can_touch_variable): New function.
13190 (add_stmt_operand): Split virtual operand handling into ...
13191 (add_virtual_operand): Here. Add offset, size, and for_clobber
13192 arguments. Prune alias sets.
13193 (add_call_clobber_ops): Call add_virtual_operand.
13195 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13197 PR middle-end/26300
13198 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13200 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13201 than TREE_CODE as index into omp_clause_num_ops array.
13203 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13205 PR rtl-optimization/26184
13206 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13208 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13209 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13210 must_precede, must_follow and tobe_scheduled.
13213 * opts.c (common_handle_option): Free new_option pointer.
13214 * df-core.c (df_analyze): Free postorder pointer.
13216 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13218 * Makefile.in: Fix the examples about the use of stamps
13220 2006-02-15 Michael Matz <matz@suse.de>
13222 PR middle-end/22275
13224 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13225 influenced by maximum_field_alignment or DECL_PACKED.
13226 (update_alignment_for_field): Ditto.
13227 (place_field): Ditto.
13228 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13231 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13233 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13234 (debug_flow_info): Pass it.
13235 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13236 * bb-reorder.c (reorder_basic_blocks): Likewise.
13237 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13238 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13239 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13240 * gcse.c (gcse_main, bypass_jumps): Likewise.
13241 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13242 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13243 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13244 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13245 * rtl.h (dump_flow_info): Adjust prototype.
13246 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13247 * var-tracking.c (variable_tracking_main): Likewise.
13248 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13249 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13252 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13254 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13257 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13259 PR tree-optimization/26209
13260 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13261 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13263 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13265 2006-02-14 Roger Sayle <roger@eyesopen.com>
13267 PR middle-end/23670
13268 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13269 (X,Y) and the corresponding symmetry related transformations.
13270 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13271 (X,Y) and its symmetry related transformations.
13273 2006-02-14 Roger Sayle <roger@eyesopen.com>
13275 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13278 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13280 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13282 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13285 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13286 support COMDAT group.
13287 * configure: Regenerate.
13289 2006-02-14 Roger Sayle <roger@eyesopen.com>
13291 PR middle-end/26279
13292 PR middle-end/26280
13293 PR middle-end/26283
13294 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13296 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13298 Fix PR tree-optimization/26260
13300 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13302 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13303 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13304 * tree-ssa-structalias.c (create_variable_info_for): Use
13305 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13307 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13309 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13311 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13312 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13313 of the ending condition.
13314 * tree-ssa-loop-manip.c: Include params.h.
13315 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13316 tree_unroll_loop): New functions.
13317 * tree-pass.h (pass_loop_prefetch): Declare.
13318 * loop.c (rest_of_handle_loop_optimize): Test for
13319 -fprefetch-loop-arrays-rtl.
13320 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13321 * timevar.def (TV_TREE_PREFETCH): New timevar.
13322 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13323 pass_loop_prefetch): New.
13324 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13325 (cleanup_tree_cfg_loop): Call scev_reset.
13326 * common.opt (fprefetch-loop-arrays-rtl): Add.
13327 * tree-ssa-loop-prefetch.c: New file.
13328 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13329 (new_temp_expr_table): Initialize expr_vars.
13330 (free_temp_expr_table): Cleanup expr_vars.
13331 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13332 expressions from being merged into one.
13333 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13334 (struct tree_niter_desc): Add control, bound and cmp fields.
13335 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13337 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13338 (tree-cfgcleanup.o): Add SCEV_H dependency.
13339 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13340 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13342 2006-02-14 Richard Guenther <rguenther@suse.de>
13344 PR tree-optimization/26258
13345 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13346 in PHI argument processing.
13348 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13350 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13351 new expression in the requested machine mode.
13353 2006-02-13 Roger Sayle <roger@eyesopen.com>
13355 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13356 directly, instead let do_compare_rtx_and_jump handle this for us.
13357 * expr.c (expand_expr_real_1): Likewise.
13358 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13359 before do_jump_by_parts_greater.
13360 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13361 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13363 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13365 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13367 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13369 PR rtl-optimization/26235
13370 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13371 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13374 2006-02-13 Jeff Law <law@redhat.com>
13376 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13379 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13381 PR middle-end/26092
13382 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13383 twice if decl is a builtin. When trying again, call get_callee_fndecl
13384 first to verify it is still a builtin.
13386 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13388 * dwarf2out.c (base_type_die): Don't add AT_name here.
13389 (subrange_type_die): Don't add AT_name here.
13390 (modified_type_die): Rearrange code flow. Do add AT_name here.
13392 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13394 PR rtl-optimization/26247
13395 PR rtl-optimization/26248
13396 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13398 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13400 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13401 * config/fixtfdi.c: Likewise.
13402 * config/fixunstfdi.c: Likewise.
13403 * config/floatditf.c: Likewise.
13405 2006-02-13 Roger Sayle <roger@eyesopen.com>
13407 PR middle-end/24427
13408 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13409 into (X,C2) if C1 is a subset of the bits of C2. Transform
13410 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13412 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13414 2006-02-13 Josh Conner <jconner@apple.com>
13417 * varasm.c (function_section): Check for section name before
13418 calling select_section on targets that define
13419 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13420 unlikely_text_section instead of hot_function_section if
13421 first_function_block_is_cold.
13423 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13425 PR middle-end/25335
13426 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13428 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13430 PR rtl-optimization/26222
13431 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13432 after tree->rtl expansion.
13433 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13434 before passing it to emit_move_insn.
13436 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13438 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13440 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13441 Clarify documentation.
13442 * c-common.h (warn_write_strings): Remove.
13443 * c-common.c (warn_write_strings): Likewise.
13444 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13447 2006-02-12 Roger Sayle <roger@eyesopen.com>
13449 PR middle-end/25724
13450 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13451 (do_jump_parts_zero_rtx): New function renamed from
13452 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13453 (do_jump_parts_equality_rtx): New function split out from
13454 do_jump_parts_equality. Old implementation renamed as above.
13455 Call do_jump_parts_zero_rtx if either operand is zero.
13456 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13457 do all of the heavy lifting.
13458 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13459 calling either do_jump_by_parts_greater_rtx or
13460 do_jump_by_parts_equality_rtx.
13461 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13462 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13463 moved to do_compare_rtx_and_jump, call it directly.
13464 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13465 mode argument. Call do_compare_rtx_and_jump.
13466 (emit_case_nodes): Update calls to do_jump_if_equal.
13468 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13470 PR rtl-optimization/26225
13471 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13473 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13475 PR rtl-optimization/26232
13476 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13478 2006-02-11 Jason Merrill <jason@redhat.com>
13481 * tree-inline.c (declare_return_variable): Just don't use the
13482 modify target if it's a gimple complex reg and the return slot
13485 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13487 * doc/contrib.texi: Update my entry.
13489 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13491 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13493 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13495 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13498 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13500 * doc/invoke.texi (-floop-optimize2): Removed.
13501 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13502 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13503 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13504 * common.opt (floop-optimize2): Removed.
13505 (fmove-loop-invariants): Enabled by default.
13507 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13509 * tree-if-conv.c (combine_blocks): Free the result of
13510 get_loop_exit_edges.
13512 2006-02-10 Jeff Law <law@redhat.com>
13514 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13516 PR tree-optimization/26213
13517 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13518 loop trying to follow SSA_NAME_VALUE chains.
13520 2006-02-10 Richard Guenther <rguenther@suse.de>
13522 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13523 deal with structures that end in implicitly variable sized arrays.
13525 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13527 PR rtl-optimization/24762
13528 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13531 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13533 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13534 (struct ivopts_data): Add regs_used field.
13535 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13536 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13537 instead of loop_data->regs_used;
13538 (free_loop_data): Do not free aux fields for loops.
13539 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13540 and tree_ssa_iv_optimize_finalize.
13542 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13544 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13546 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13549 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13550 computing the effective result type.
13552 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13554 PR inline-asm/16194
13555 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13556 (tree_overlaps_hard_reg_set): Declare.
13557 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13558 type and signature to match function type expected by walk_tree.
13559 (tree_overlaps_hard_reg_set): New function.
13560 (decl_conflicts_with_clobbers_p): Rename to:
13561 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13562 Use tree_overlaps_hard_reg_set. Changed caller.
13563 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13564 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13565 * cris.c (cris_md_asm_clobbers): Likewise.
13567 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13569 * reload1.c (emit_input_reload_insns): Delete code that tries to
13570 inherit using find_equiv_reg.
13572 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13574 * c-common.h (flag_const_strings): Don't declare.
13575 * c-common.c (flag_const_strings): Remove.
13576 * c.opt (fconst_strings): Remove.
13577 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13578 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13579 (c_common_init_options): Don't set flag_const_strings.
13580 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13582 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13584 * arm.md (tlobits_cbranch): New pattern.
13585 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13586 testing a single bit.
13588 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13591 * tree-ssa-pre.c (create_component_ref_by_pieces):
13592 Handle RETURN_DECL like VAR_DECL.
13594 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13596 PR middle-end/26134
13597 * fold-const.c (fold_indirect_ref_1): Fold
13598 "*(foo *)&complexfoo" to "__real__ complexfoo"
13599 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13601 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13603 * tree-flow-inline.h (var_can_have_subvars):
13604 Volatile variables should not have subvariables.
13606 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13609 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13610 multiplying unsigned values.
13613 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13615 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13617 2006-02-08 Jason Merrill <jason@redhat.com>
13620 * tree.def: Elaborate on difference from MODIFY_EXPR.
13621 * doc/c-tree.texi (INIT_EXPR): Likewise.
13622 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13623 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13624 (gimplify_target_expr): Likewise.
13625 (gimplify_cond_expr): Remove target handling.
13626 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13627 (gimplify_expr): Clobber it here.
13628 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13629 Do return slot optimization if we have an INIT_EXPR.
13632 * tree-inline.c (declare_return_variable): Also clear
13633 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13636 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13638 PR middle-end/22439
13639 * gimplify.c (gimplify_one_sizepos): Fix typo.
13641 2006-02-08 Jeff Law <law@redhat.com>
13643 PR tree-optimization/21417
13644 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13645 across a backedge if the control statement at the end of the
13646 block is data dependent on other statements in the same block.
13647 (record_temporary_equivalences_from_stmts): Remove over-conservative
13648 test for threading across backedges.
13650 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13651 control statement, handle all three special cases in the same
13652 manner as they all have the same desired solution. No longer
13653 special case edge flag updating when the post dominator is
13656 2006-02-08 Roger Sayle <roger@eyesopen.com>
13658 * tree.def (CHAR_TYPE): Remove.
13659 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13660 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13661 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13662 (gen_string_type_die): Delete unreachable function.
13664 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13665 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13666 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13667 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13668 * builtins.c (type_to_class): Likewise.
13669 * fold-const.c (fold_convert, build_range_check,
13670 merge_ranges): Likewise.
13671 * expr.c (count_type_elements): Likewise.
13672 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13673 * stor-layout.c (layout_type): Likewise.
13674 * ipa-type-escape.c (type_to_consider): Likewise.
13675 * gimplify.c (omp_firstprivatize_type_sizes,
13676 gimplify_type_sizes): Likewise.
13677 * explow.c (promote_mode): Likewise.
13678 * tree-sra.c (is_sra_scalar_type): Likewise.
13679 * varasm.c (output_constant): Likewise.
13680 * tree-inline.c (remap_type_1): Likewise.
13681 * convert.c (convert_to_pointer, convert_to_real,
13682 convert_to_integer, convert_to_complex): Likewise.
13684 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13686 * df-scan.c (df_def_record_1): A set destination may
13687 be a parallel regardless of mode.
13689 2006-02-08 Roger Sayle <roger@eyesopen.com>
13692 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13693 * config/mips/_tilib.c: Remove.
13694 * config/fixtfdi.c: New libgcc source file.
13695 * config/fixunstfdi.c: New source file.
13696 * config/floatditf.c: New source file.
13697 * config/floatunditf.c: New souce file.
13698 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13699 files above instead of config/mips/_tilib.c.
13700 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13702 2006-02-08 Jeff Law <law@redhat.com>
13704 PR tree-optimization/26169
13705 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13708 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13710 * df.h (DF_REG_SIZE): Return the length of the initialized
13713 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13715 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13716 __muldf3): Return a correctly signed zero.
13718 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13720 * passes.c (register_one_dump_file): Accept the current properties
13721 instead of pass number. Adjust call to dump_register. Remove
13723 (register_dump_files): Now a wrapper around...
13724 (register_dump_files_1): ... this one. Do not modify the pass
13726 (next_pass_1): Cosmetic fix.
13727 (execute_todo): Keep second parameter only. Use curr_properties
13728 instead of fetching it from the pass structure. Check and set
13730 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13731 instead of fetching it from the pass structure. Fix calls to
13732 execute_todo. Update curr_properties and initialize .vcg RTL dump
13733 after running the pass. Reset last_verified.
13734 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13736 (FIRST_AUTO_NUMBERED_DUMP): New.
13737 (dump_register): Remove "num" parameter, assign it within the
13739 (get_dump_file_name): Modify template for dumps.
13740 * tree-dump.h (dump_register): Adjust prototype.
13741 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13742 (PROP_trees): Add PROP_gimple_lomp.
13743 (TODO_set_props): New.
13744 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13745 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13746 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13748 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13750 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13751 (sparc64-*-linux*): Likewise.
13752 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13753 * config/sparc/t-linux: New file.
13754 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13755 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13756 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13757 -m32 -mlong-double-128.
13759 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13760 * config/alpha/t-linux: New file.
13761 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13763 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13764 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13765 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13766 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13767 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13768 (CPP_ARCH32_SPEC): Remove.
13770 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13772 PR tree-optimization/26145
13773 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13776 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13779 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13780 >= 240000 when generating code for SOM runtime.
13781 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13782 to $$dyncall when generating code for SOM runtime..
13784 2006-02-07 Dirk Mueller <dmueller@suse.com>
13787 * doc/invoke.texi (-Wsequence-point): Update documentation
13788 that -Wsequence-point is implemented for C++ as well.
13790 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13792 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13793 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13794 (LIB_SPEC): Likewise.
13795 * doc/invoke.texi (SPARC options): Document -pthread.
13797 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13799 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13802 2006-02-07 Roger Sayle <roger@eyesopen.com>
13804 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13805 Correct comment describing BOOLEAN_TYPE.
13807 2006-02-07 Dirk Mueller <dmueller@suse.com>
13809 * c.opt: C++ frontend supports -Wdiv-by-zero.
13810 * c-opts.c (c_common_handle_option): Remove dead case.
13812 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13814 * configure.ac (TLS assembler check): Do not enable TLS by
13815 default on SPARC/Solaris before version 10.
13816 * configure: Regenerate.
13818 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13820 * doc/invoke.texi (xl-compat): Document conversion and support
13823 2006-02-07 Jeff Law <law@redhat.com>
13825 * tree-vrp.c (find_conditional_asserts): Update comments.
13826 (simplify_stmt_for_jump_threading): New.
13827 (identify_jump_threads, finalize_jump_threads): New.
13828 (vrp_finalize): Call identify_jump_threads.
13829 (execute_vrp): Call finalize_jump_threads.
13830 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13831 (vrp_element, vrp_data, vrp_element_p): Remove.
13832 (vrp_hash_elt, vrp_variables_stack): Remove.
13833 (vrp_hash, vrp_eq, record_range): Remove.
13834 (simplify_cond_and_lookup_avail_expr): Remove.
13835 (extract_range_from_cond): Remove.
13836 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13837 (simplify_stmt_for_jump_threading): New.
13838 (dom_thread_across_edge): New wrapper.
13839 (tree_ssa_dominator_optimize): No longer initialize or
13840 finalize any of the VRP datastructures. Remove iteration
13841 step and simplify as a result of removal of iteration step.
13842 (pass_dominator): Perform a cfg cleanup after DOM.
13843 (dom_opt_finalize_block): Use the new common routines
13844 for threading jumps. Simplify stack management slightly.
13845 No longer need to unwind VRP state.
13846 (record_equivalences_from_incoming_edge): No longer record
13848 (eliminate_redundant_computations): No longer call
13849 simplify_cond_and_lookup_avail_expr.
13850 * tree-flow.h (potentially_threadable_block): Prototype.
13851 (thread_across_edge): Likewise.
13852 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13853 (tree-ssa-threadedge.o): Add dependencies.
13854 * tree-ssa-threadedge.c: New file.
13855 * passes.c (init_optimization_passes): Merge PHIs before
13856 calling VRP. Run VRP again late in the SSA optimization pipeline.
13858 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13860 * df-core.c (df_set_blocks): Do not dereference function pointers.
13861 (df_finish1): Likewise.
13862 (df_hybrid_search_forward): Likewise.
13863 (df_hybrid_search_backward): Likewise.
13864 (df_iterative_dataflow): Likewise.
13865 (df_analyze_problem): Likewise.
13866 (df_compact_blocks): Likewise.
13867 (df_dump): Likewise.
13868 * df-scan.c (df_rescan_blocks): Likewise.
13869 (df_record_entry_block_defs): Likewise.
13871 * genconditions.c (write_conditions): Guard the definition of
13872 'insn_conditions' with the check on GCC version.
13873 (write_writer): Guard the traversal 'insn_conditions' with
13874 the check on GCC version.
13876 2006-02-07 Richard Guenther <rguenther@suse.de>
13880 2006-01-30 Richard Guenther <rguenther@suse.de>
13882 * gimplify.c (gimplify_target_expr): Handle easy cases
13883 without creating a temporary.
13885 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13887 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13888 use of float in probability computations. Use edge probabilities
13889 in place of statically computed probabilities.
13890 (min_spec_prob): New static variable.
13891 (schedule_insns): Initialize it.
13892 (GET_SRC_PROB): Removed.
13893 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13895 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13898 * config/ia64/unwind-ia64.c: Revert last change.
13899 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13900 (INCOMING_FRAME_SP_OFFSET): Define.
13902 2006-02-06 Roger Sayle <roger@eyesopen.com>
13904 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13906 2006-02-07 Ben Elliston <bje@au.ibm.com>
13908 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13909 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13910 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13911 (ix86_return_in_memory): Handle TDmode.
13912 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13913 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13915 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13917 * reorg.c (dbr_schedule): Use dump_file instead of file.
13919 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13922 * config/ia64/predicates.md (extr_len_operand): New predicate.
13923 * config/ia64/ia64.md (extv): Tighten constraints.
13925 (*tbit_and_2): Ditto.
13926 (*tbit_and_3): Ditto.
13927 (*tbit_or_2): Ditto.
13928 (*tbit_or_3): Ditto.
13929 (*bit_zero): Ditto.
13932 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13935 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13937 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13939 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13940 loop_optimizer_init and loop_optimizer_finalize
13941 * tree-ssa-sink.c (execute_sink_code): Ditto.
13942 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13943 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13944 tree_ssa_loop_done): Ditto.
13945 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13946 * sched-ebb.c: Include output.h.
13947 (schedule_ebbs): Do not use dump argument.
13948 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13949 * loop.c (loop_dump_stream): Removed.
13950 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13952 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13953 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13954 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13955 loop_iterations, strength_reduce, record_biv, record_giv,
13956 final_giv_value, check_final_value, check_ext_dependent_givs,
13957 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13958 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13959 dump_file instead of loop_dump_stream.
13960 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13961 argument dump_file.
13962 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13964 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13965 * haifa-sched.c: Include output.h
13966 (schedule_insns, sched_init): Do not use dump argument.
13967 * mode-switching.c (optimize_mode_switching): Ditto.
13968 * modulo-sched.c (stats_file): Removed.
13969 (print_node_sched_params): Do not call argument dump_file.
13970 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13971 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13973 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13975 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13976 rtl_loop_init, rtl_loop_done): Ditto.
13977 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13978 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13980 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13981 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13982 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13983 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13984 * emit-rtl.c (renumber_insns): Ditto.
13985 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13986 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13987 * regclass.c (regclass): Ditto.
13988 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13989 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13990 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13991 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13993 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13994 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13996 * gcse.c (gcse_file, debug_stderr): Removed.
13997 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13998 rest_of_handle_gcse): Do not use dump argument.
13999 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14000 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14001 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14002 compute_code_hoist_vbeinout, compute_code_hoist_data,
14003 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14004 compute_store_table, build_store_vectors, insert_insn_start_bb,
14005 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14006 store_motion): Use dump_file instead of gcse_file.
14007 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14008 * profile.c (profile_dump_file): Removed.
14009 (branch_prob): Use dump_file instead of profile_dump_file.
14010 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14012 * tree-ssa-copy.c (dump_copy_of): Ditto.
14013 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14014 dump file to life_analysis.
14015 * bt-load.c (branch_target_load_optimize): Ditto.
14016 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14018 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14019 regclass, dbr_schedule): Declaration changed.
14020 * sched-int.h (sched_init): Declaration changed.
14021 * tree-profile.c (tree_profile_dump_file): Removed.
14022 (tree_profile_hooks): Removed profile_dump_file hook.
14023 * rtl-profile (rtl_profile_dump_file): Removed.
14024 (rtl_profile_hooks): emoved profile_dump_file hook.
14025 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14027 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14028 * tree-cfg.c (build_tree_cfg): Ditto.
14029 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14030 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14031 Declaration changed.
14032 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14033 life_analysis and schedule_insns.
14034 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14036 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14038 * config/mips/mips.c (mips_reorg): Ditto.
14039 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14042 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14044 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14045 (s390_mangle_fundamental_type): New.
14046 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14049 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14050 (alpha_mangle_fundamental_type): New.
14051 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14054 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14056 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14058 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14059 (sparc_mangle_fundamental_type): New.
14061 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14063 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14064 (s390x-*-linux*): Likewise.
14065 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14066 * config/s390/t-linux: New file.
14068 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14070 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14071 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14073 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14075 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14076 (ANTIC_SAFE_LOADS): New macro.
14077 (find_or_generate_expression): Add prototype.
14078 (set_contains_value): Allow null set for sake of not always having
14079 to allocate ANTIC_SAFE_LOADS.
14080 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14081 Allow COMPONENT_REF too.
14082 (valid_in_set): Allow COMPONENT_REF.
14083 Check ANTIC_SAFE_LOADS too.
14084 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14085 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14087 (can_PRE_operation): Add COMPONENT_REF.
14088 (create_component_ref_by_pieces): New function.
14089 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14090 (insert_aux): Move AGGREGATE_TYPE_P check here.
14091 (compute_avail): Set bb local stmt uids.
14092 (pass_pre): Use TODO_update_ssa_only_virtuals.
14094 2006-02-06 Ben Elliston <bje@au.ibm.com>
14096 * configure.ac: Unconditionally disable decimal float by default.
14097 * configure: Regenerate.
14099 2006-02-06 Ben Elliston <bje@au.ibm.com>
14101 * read-rtl.c (read_name): Terminate reading on EOF.
14103 2006-02-06 Ben Elliston <bje@au.ibm.com>
14105 * dfp.c (decimal_real_arithmetic): Change second argument type
14106 from int to enum tree_code. Do not always return true, but now
14107 return result of any call to decimal_do helper functions.
14108 * dfp.h (decimal_real_arithmetic): Update prototype.
14110 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14112 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14114 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14117 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14120 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14122 * tree-vrp.c (cfg_loops): Removed.
14123 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14124 Use current_loops instead of cfg_loops. Pass flags to
14125 loop_optimizer_init.
14126 * cfgloopmanip.c (fix_loop_structure): Update only available
14128 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14129 loop_optimizer_init.
14130 * modulo-sched.c (build_loops_structure): Removed.
14131 (sms_schedule): Use loop_optimizer_init.
14132 * loop-init.c (loop_optimizer_init): Use flags to determine
14133 which properties of loops to prepare.
14134 (rtl_loop_init): Pass flags to loop_optimizer_init.
14135 * tree-ssa-sink.c (execute_sink_code): Ditto.
14136 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14137 * tree-ssa-pre.c (init_pre): Ditto.
14138 * cfgloop.h (LOOPS_NORMAL): New.
14139 (loop_optimizer_init): Declaration changed.
14141 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14143 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14144 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14146 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14148 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14150 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14151 * pa/t-pa64: Delete quadlib.c rule.
14152 * pa/x-ada: Revert last change.
14153 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14155 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14157 PR rtl-optimization/26087
14158 * rtlanal.c (canonicalize_condition): Do not cross basic block
14161 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14164 * config/ia64/ia64.c: Include debug.h.
14165 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14166 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14167 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14168 (process_epilogue, process_set, process_for_unwind_directive):
14169 Output unwind info only if requested. Add CFA info if requested.
14170 Add new arguments as needed. Adjust callers.
14171 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14173 (DWARF2_FRAME_INFO): Define to zero.
14174 * config/ia64/unwind-ia64.c: Remove code that compensated for
14175 the CFA offset error fixed above.
14176 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14177 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14178 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14179 -funwind-tables and -fexceptions to enable frame info.
14180 (dwarf2out_frame_init): Define initial CFA even if
14181 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14182 DWARF2_UNWIND_INFO is nonzero, not just defined.
14183 (dwarf2out_frame_finish): Output non-EH call frame info only
14184 if DWARF2_FRAME_INFO is nonzero.
14185 (convert_cfa_to_loc_list,
14186 compute_frame_pointer_to_cfa_displacement): Define even if
14187 unwind info is not supported.
14188 (gen_subprogram_die): Use the above unconditionally. Remove
14189 legacy alternate code.
14190 * toplev.c (compile_file): Compile in call to
14191 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14192 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14194 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14195 Jakub Jelinek <jakub@redhat.com>
14197 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14198 IBM extended float format long double as "g" on powerpc*-linux.
14200 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14203 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14204 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14206 2006-02-03 Jason Merrill <jason@redhat.com>
14209 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14211 PR middle-end/25977
14212 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14213 on the return slot if it's an NRV.
14215 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14217 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14218 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14219 rewrite_use): Do not handle USE_OUTER.
14220 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14221 add_iv_outer_candidates, may_replace_final_value,
14222 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14223 (find_interesting_uses_op): Functionality of
14224 find_interesting_uses_outer_or_nonlin moved here.
14225 (find_interesting_uses_outside): Use find_interesting_uses_op.
14227 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14230 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14232 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14233 Ulrich Weigand <uweigand@de.ibm.com>
14236 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14237 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14238 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14239 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14241 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14242 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14243 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14244 Define secondary reloads for TFmode moves.
14245 (constant_modes): Add TFmode.
14246 (NR_C_MODES): Set to 8.
14247 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14249 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14250 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14251 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14252 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14253 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14254 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14255 (FPR mode macro): Add TFmode.
14256 (DSF mode macro): New.
14257 (<de>, <dee> mode attributes): Removed.
14258 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14259 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14260 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14261 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14262 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14263 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14264 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14265 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14266 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14267 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14268 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14269 "*negabs<mode>2", "sqrt<mode>2"):
14270 Changed <de> to <xde>. R constraint replaced by <Rf>.
14271 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14273 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14274 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14275 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14277 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14278 "extenddftf2", "extendsftf2"): New expanders.
14279 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14280 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14281 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14282 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14284 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14285 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14286 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14287 __floatditf): Add a GCC_4.1.0 symbol version tag.
14288 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14291 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14294 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14295 Use targetm.binds_local_p instead of TREE_PUBLIC.
14297 2006-02-02 Roger Sayle <roger@eyesopen.com>
14299 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14300 on INTEGER_TYPEs to indicate that it denotes a character type.
14301 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14302 signed_char_type_node, unsigned_char_type_node and char_type_node.
14303 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14304 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14305 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14307 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14308 Daniel Berlin <dberlin@dberlin.org>
14310 * tree-tailcall.c (arg_needs_copy_p): New function.
14311 (eliminate_tail_call): Use arg_needs_copy_p.
14312 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14313 (add_virtual_phis): New function.
14315 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14317 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14318 #ignore instead of #scratch for %g7 .register directive.
14320 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14322 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14325 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14327 * flow.c (calculate_global_regs_live): Assert that there aren't any
14330 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14332 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14333 what its name says.
14334 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14335 bsi_after_labels iterator.
14336 * tree-if-conv.c (find_phi_replacement_condition,
14337 replace_phi_with_cond_modify_expr): Likewise.
14338 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14339 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14341 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14343 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14345 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14348 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14349 array after growing it.
14351 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14353 PR middle-end/24901
14354 * fold-const.c (fold_checksum_tree): Change type of buf.
14356 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14358 * reload.c (push_secondary_reload): Initialize t_icode.
14360 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14362 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14363 -msoft-float -mlong-double-128 only issue a warning, but don't
14364 swich to DFmode long double.
14366 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14368 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14369 has a constant equivalent, iterate over equivalents for arg0,
14370 calling simplify_relational_operation and if there's a result
14371 cheaper than X, apply fold_rtx and return the result.
14373 2006-02-01 Jan Hubicka <jh@suse.cz>
14375 * opts.c (no_unit_at_a_time_default): New global variable.
14376 (decode_options): Use it.
14377 * opts.h (no_unit_at_a_time_default): Declare.
14379 2006-02-01 Paul Brook <paul@codesourcery.com>
14381 * function.c (assign_parm_setup_reg): Use function argument promotion
14383 * expr.c (expand_expr_real_1): Use function argument promotion rules
14386 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14388 * gcc.c (process_command): Change j to 'unsigned int'.
14390 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14392 PR middle-end/26001
14393 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14394 Use the corrected index for the character
14395 out of the string constant.
14397 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14399 * mode-switching.c (optimize_mode_switching): Fix size
14400 allocated for bb_info[n_entities].
14402 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14404 * gcc.c (main): Correct type that is allocated for
14405 explicit_link_files.
14407 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14409 * config/s390/s390.c (init_alignment_context): Set
14410 ALIAS_SET_MEMORY_BARRIER on the MEM.
14411 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14413 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14415 PR middle-end/25933
14416 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14418 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14421 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14423 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14424 * regrename.c: Ditto.
14425 * tree-ssa-loop-im.c: Ditto.
14426 * tree-dump.c: Ditto.
14427 * tree-complex.c: Ditto.
14428 * genrecog.c: Ditto.
14429 * tree-ssa-threadupdate.c: Ditto.
14431 * java/class.c: Ditto.
14432 * java/jcf-parse.c: Ditto.
14433 * java/resource.c: Ditto.
14434 * java/except.c: Ditto.
14435 * java/jvspec.c: Ditto.
14436 * java/jcf-write.c: Ditto.
14437 * java/jcf-path.c: Ditto.
14438 * java/gjavah.c: Ditto.
14439 * java/zextract.c: Ditto.
14440 * java/jcf-io.c: Ditto.
14441 * java/jcf.h: Ditto.
14442 * java/buffer.c: Ditto.
14443 * java/lang.c: Ditto.
14444 * java/parse-scan.y: Ditto.
14445 * java/lex.c: Ditto.
14446 * java/lex.h: Ditto.
14447 * cfgloopmanip.c: Ditto.
14448 * postreload-gcse.c: Ditto.
14449 * tree-ssa-loop-manip.c: Ditto.
14450 * postreload.c: Ditto.
14451 * tree-ssa-loop-ch.c: Ditto.
14454 * cppspec.c: Ditto.
14455 * diagnostic.c: Ditto.
14457 * genoutput.c: Ditto.
14459 * cfghooks.c: Ditto.
14460 * cfgloopanal.c: Ditto.
14461 * objc/objc-act.c: Ditto.
14463 * genextract.c: Ditto.
14464 * genautomata.c: Ditto.
14465 * pretty-print.c: Ditto.
14466 * genemit.c: Ditto.
14467 * cgraphunit.c: Ditto.
14469 * df-scan.c: Ditto.
14470 * haifa-sched.c: Ditto.
14471 * dominance.c: Ditto.
14473 * tree-ssa-loop-ivopts.c: Ditto.
14474 * df-core.c: Ditto.
14475 * mode-switching.c: Ditto.
14476 * modulo-sched.c: Ditto.
14478 * ipa-pure-const.c: Ditto.
14480 * fix-header.c: Ditto.
14482 * tree-stdarg.c: Ditto.
14483 * ipa-utils.c: Ditto.
14484 * loop-init.c: Ditto.
14485 * ipa-inline.c: Ditto.
14486 * cfganal.c: Ditto.
14488 * alloc-pool.c: Ditto.
14489 * dwarf2out.c: Ditto.
14491 * genattrtab.c: Ditto.
14492 * tree-ssa-loop-ivcanon.c: Ditto.
14493 * predict.c: Ditto.
14494 * timevar.c: Ditto.
14496 * fortran/gfortranspec.c: Ditto.
14497 * regmove.c: Ditto.
14498 * local-alloc.c: Ditto.
14499 * langhooks.c: Ditto.
14500 * function.c: Ditto.
14501 * tree-vectorizer.c: Ditto.
14503 * ipa-type-escape.c: Ditto.
14505 * tree-if-conv.c: Ditto.
14506 * profile.c: Ditto.
14508 * tree-data-ref.c: Ditto.
14509 * loop-unroll.c: Ditto.
14510 * treelang/treetree.c: Ditto.
14512 * bt-load.c: Ditto.
14513 * ggc-common.c: Ditto.
14515 * coverage.c: Ditto.
14517 * tree-cfgcleanup.c: Ditto.
14518 * tree-ssa-pre.c: Ditto.
14519 * cfgcleanup.c: Ditto.
14520 * loop-invariant.c: Ditto.
14521 * loop-iv.c: Ditto.
14522 * ipa-prop.c: Ditto.
14523 * print-tree.c: Ditto.
14524 * conflict.c: Ditto.
14525 * ggc-page.c: Ditto.
14526 * sched-deps.c: Ditto.
14527 * regclass.c: Ditto.
14528 * tree-object-size.c: Ditto.
14529 * combine.c: Ditto.
14530 * bb-reorder.c: Ditto.
14531 * resource.c: Ditto.
14532 * var-tracking.c: Ditto.
14533 * cfgloop.c: Ditto.
14534 * df-problems.c: Ditto.
14535 * reg-stack.c: Ditto.
14537 * gccspec.c: Ditto.
14538 * sched-rgn.c: Ditto.
14539 * tree-ssa-structalias.c: Ditto.
14540 * tree-ssa-reassoc.c: Ditto.
14541 * config/darwin-c.c: Ditto.
14542 * config/darwin.c: Ditto.
14543 * config/arm/arm.c: Ditto.
14545 * collect2.c: Ditto.
14546 * reload1.c: Ditto.
14548 2006-01-31 Nicolas Pitre <nico@cam.org>
14550 * arm.md (smaxsi3): Make aware of smax_m1.
14553 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14555 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14557 2006-01-31 Richard Guenther <rguenther@suse.de>
14559 * doc/invoke.texi (-msselibm): Document.
14560 * target.h (expand_library_builtin): New target hook.
14561 * builtins.c (expand_builtin): Use expand_library_builtin.
14562 (default_expand_library_builtin): New function.
14563 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14564 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14565 (link_gcc_math_spec): Declare.
14566 (static_specs): Add link_gcc_math_spec.
14567 * expr.h (default_expand_library_builtin): Declare.
14568 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14569 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14570 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14571 * config/i386/i386.opt (msselibm): New target option.
14572 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14573 (ix86_init_sse_abi_builtins): New function.
14574 (ix86_expand_library_builtin): Likewise.
14575 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14576 (override_options): Handle error conditions wrt -msselibm.
14577 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14578 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14579 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14582 2006-01-31 Richard Guenther <rguenther@suse.de>
14583 Paolo Bonzini <bonzini@gnu.org>
14585 * doc/install.texi (--disable-libgcc-math): Document.
14587 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14589 * expr.h (expand_normal): new inline function.
14590 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14591 * dojump.c: use it.
14592 * dwarf2out.c: use it.
14595 * expmed.c: use it.
14596 * except.c: use it.
14597 * config/sparc/sparc.c: use it.
14598 * config/i386/i386.c: use it.
14599 * config/rs6000/rs6000.c: use it.
14600 * config/arm/arm.c: use it.
14601 * config/mips/mips.c: use it.
14602 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14604 2006-01-30 Roger Sayle <roger@eyesopen.com>
14606 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14607 argv to the appropriate type.
14609 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14611 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14614 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14617 * config/s390/s390.c (struct machine_function): New flag
14618 decomposed_literal_pool_addresses_ok_p.
14619 (s390_reorg): Set it before final stage of literal pool transforms.
14620 (s390_decompose_address): Only accept displacements of the form
14621 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14623 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14625 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14626 the comparison routine return.
14628 2006-01-30 Michael Matz <matz@suse.de>
14630 * global.c (find_reg): Only evict for global regs.
14631 Take n_refs into account and dump more info.
14633 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14636 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14637 (pragma_trap, pragma_nosave_low_regs): Likewise.
14638 (current_function_anonymous_args): Likewise.
14639 (sh_deferred_function_attributes): New variable.
14640 (sh_deferred_function_attributes_tail): Likewise.
14641 (print_operand): For '@', look up trap_exit attribute.
14642 (calc_live_regs): Look up trapa_handler attribute. For trapa
14643 handlers, save/restore fpscr, but don't do any other
14644 interrupt-specific saves.
14645 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14646 Fix check for partially saved registers to check for SHmedia.
14647 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14648 (sh_output_function_epilogue): Don't clear any of the removed
14650 (sh_insert_attributes): Don't check pragma_interrupt.
14651 Insert deferred attributes. Check that interrupt attribute is
14652 present for other attributes that require its presence.
14653 (sh_attribute_table): Add new attributes trapa_handler and
14655 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14656 Don't check for pragma_interrupt. Don't store argument.
14657 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14658 (sh_deferred_function_attributes): Declare.
14659 (sh_deferred_function_attributes_tail): Likewise.
14660 * sh.md (sp_switch_1): Add operand. Change generator caller.
14661 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14662 (*return_i): Don't use when trap_exit attribute is in effect.
14663 (*return_trapa): New insn pattern.
14664 * sh-c.c: New file.
14665 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14666 setting c_target_objs and cxx_target_objs.
14667 * t-sh: Add rule for sh-c.o.
14669 2006-01-30 Richard Guenther <rguenther@suse.de>
14672 * gimplify.c (gimplify_target_expr): Handle easy cases
14673 without creating a temporary.
14675 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14677 * vec.h (safe_grow): Remove duplicated line.
14679 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14682 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14683 (expand_omp): ... here.
14684 (expand_omp_parallel): Only remove barriers for combined
14685 parallel+workshare constructs.
14687 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14691 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14692 * tree.c (build_qualified_type): Chain the new type to the original
14693 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14694 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14695 (build_pointer_type_for_mode): Only return unqualified types.
14696 (build_reference_type_for_mode): Likewise.
14698 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14700 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14701 * Makefile.in (CXX_COMPAT_WARN): Define.
14702 * configure: Regenerate.
14704 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14707 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14710 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14712 * toplev.c: Fix thinko.
14714 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14715 Marcin Dalecki <martin@dalecki.de>
14717 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14718 (push_srcloc): Use XNEW.
14719 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14721 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14723 * df-core.c (df_set_blocks): Deleted all variable.
14725 2006-01-28 Ian Lance Taylor <ian@airs.com>
14727 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14728 cgraph_output_pending_asms.
14730 2006-01-28 Zack Weinberg <zackw@panix.com>
14732 * c.opt: Add -W(no-)overlength-strings.
14733 * doc/invoke.texi: Document it.
14734 * c-opts.c (c_common_handle_option): -pedantic implies
14735 -Woverlength-strings, if not explicitly disabled already.
14736 (c_common_post_options): -Woverlength-strings defaults to off, and
14737 is always off for C++.
14738 * c-common.c (fix_string_type): Issue warning about strings longer
14739 than is portable only if warn_overlength_strings. Rearrange code
14740 a little for clarity.
14741 * configure.in: Check for -Wno-overlength-strings as well before
14742 enabling -pedantic in stage 1.
14743 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14744 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14746 * genconditions.c (write_header, write_one_condition)
14747 (write_conditions, write_writer): Consolidate very long strings
14748 that were broken up to fit in C89 portable limit. Don't use
14749 printf when fputs will do.
14751 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14753 * combine.c (simplify_comparison <AND>): Check
14754 TRULY_NOOP_TRUNCATION before start using a subreg.
14756 * config/mips/mips.md (*branch_zero<mode>,
14757 *branch_zero<mode>_inverted, *branch_equality<mode>,
14758 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14759 Remove mode check from comparisons.
14761 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14763 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14765 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14767 * expmed.c (const_mult_add_overflow_p): Remove.
14768 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14770 * recog.c (validate_replace_rtx_subexp): Remove.
14771 * recog.h: Remove the prototype for
14772 validate_replace_rtx_subexp.
14774 * integrate.h: Remove the prototype for
14775 copy_decl_for_inlining.
14776 * rtl.h: Remove the prototype for mark_constant_function.
14777 * tree-vectorizer.h: Remove the prototype for
14778 vect_strip_conversion.
14780 * modulo-sched.c (create_partial_schedule,
14781 free_partial_schedule, reset_partial_schedule): Make them
14784 * hooks.c (hook_bool_rtx_int_false): Remove.
14785 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14787 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14789 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14790 and -mlong-double-128 are incompatible.
14791 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14792 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14793 (TARGET_LIBGCC2_CFLAGS): Define.
14794 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14795 (TARGET_LIBGCC2_CFLAGS): Same.
14796 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14798 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14801 * c-typeck.c (build_binary_op): Perform implicit casts of
14802 operands before shortening them.
14804 * cfgloopmanip.c (split_loop_bb): Remove.
14805 * cfgloop.h: Remove the prototype for split_loop_bb.
14807 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14808 * cfgloop.h: Remove the prototype for
14809 flow_loop_outside_edge_p.
14811 * emit-rtl.c (init_virtual_regs): Make it static.
14812 * function.h: Remove the prototype for init_virtual_regs.
14814 * recog.c (peephole2_optimize): Make it static.
14815 * recog.h: Remove the prototype for peephole2_optimize.
14817 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14819 * df-scan.c (df_record_entry_block_defs): Check if
14820 INCOMING_RETURN_ADDR_RTX is defined.
14822 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14823 Kenneth Zadeck <zadeck@naturalbridge.com>
14825 PR rtl-optimization/24762
14826 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14827 * targhooks.c (hook_void_bitmap): New hook prototype.
14828 * targhoohs.h (hook_void_bitmap): Ditto.
14829 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14830 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14831 * target.h (live_on_entry): New function pointer.
14832 * df-scan.c (df_all_hard_regs): Removed.
14833 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14834 (df_scan_free_internal): Added df->entry_block_defs.
14835 (df_scan_alloc): Ditto.
14836 (df_scan_dump): Ditto.
14837 (df_uses_record): Plumbed flag field properly thru calls.
14838 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14839 This part fixes PR24762.
14840 (df_bb_refs_record): Added code to make the frame and arg
14841 pointers live in EH blocks.
14842 (df_refs_record): Added call to df_record_entry_block_defs.
14843 (df_record_entry_block_defs): New function.
14844 * df-core.c: Added comments to describe new artifical defs.
14845 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14846 (entry_block_defs): New field in struct df.
14847 (df_all_hard_regs): Deleted.
14848 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14849 * df-problems.c (df_ru_bb_local_compute_process_def):
14850 Added code to handle artifical defs in the entry to a function.
14851 (df_ru_bb_local_compute): Ditto.
14852 (df_rd_bb_local_compute_process_def): Ditto.
14853 (df_rd_bb_local_compute): Ditto.
14854 (df_lr_bb_local_compute): Ditto.
14855 (df_ur_bb_local_compute): Ditto.
14856 (df_urec_bb_local_compute): Ditto.
14857 (df_chain_create_bb): Ditto.
14858 (df_ur_local_finalize): Removed entry.
14859 (df_urec_init): Ditto.
14860 (df_urec_local_finalize): Ditto.
14861 (df_ri_bb_compute): Added detection of last use of pseudos.
14862 * Makefile.in (df-scan.o): Updated dependencies.
14863 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14864 * config/mips/mips.c (mips_set_live_on_entry): Added.
14865 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14867 * dce.c (marked_insn_p): Added code to handle artifical defs.
14869 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14871 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14873 (_mm_cvtsi128_si64): Likewise.
14874 (_mm_cvtsd_si64): Likewise.
14875 (_mm_cvttsd_si64): Likewise.
14876 (_mm_cvtsi64_sd): Likewise.
14877 (_mm_cvtsi64_si128): Likewise.
14878 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14879 (_mm_cvtsi64_m64): Likewise.
14880 (_m_to_int64): Likewise.
14881 (_mm_cvtm64_si64): Likewise.
14882 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14883 (_mm_cvttss_si64): Likewise.
14884 (_mm_cvtsi64_ss): Likewise.
14885 (_mm_cvtss_f32): Likewise.
14887 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14889 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14890 for pragma redefine_extname.
14892 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14895 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14896 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14897 -mno-minimal-toc to previous content.
14898 (bispecs): Remove goal.
14899 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14900 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14901 compatibility aliases on powerpc-*-*gnu*.
14902 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14903 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14904 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14905 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14906 (ldblspecs): New goal.
14907 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14908 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14910 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14911 L_sf_to_tf or L_df_to_tf is defined.
14913 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14914 Alan Modra <amodra@bigpond.net.au>
14917 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14918 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14919 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14920 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14921 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14922 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14923 (rs6000_override_options): Initialize rs6000_ieeequad.
14924 Initialize TFmode format to ibm_extended_format if not
14926 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14928 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14929 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14930 (function_arg_advance): IBM long double passed in two FPRs, not
14932 (function_arg): IBM long double passed in FPRs.
14933 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14934 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14935 Only multireg GPR aligned.
14936 (rs6000_init_libfuncs): Enable IBM long double functions if not
14938 (rs6000_generate_compare): Use IBM long double compare if not
14940 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14941 (TARGET_IEEEQUAD): Define.
14942 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14943 not TARGET_IEEEQUAD.
14944 * config/rs6000/rs6000.md: Enable TFmode patterns if
14946 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14947 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14948 and -mlong-double-128 are incompatible.
14949 * doc/invoke.texi (-mabi): Collect options together. Add
14950 ibmlongdouble and ieeelongdouble.
14952 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14954 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14956 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14957 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14958 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14959 * rtl.h (rtunion_def): Remove rt_ptr.
14961 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14962 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14963 * config/i386/winnt.c (i386_pe_mark_dllexport)
14964 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14966 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14968 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14970 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14974 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14975 pthread_key_delete. From John David Anglin. gthrw-ify
14976 pthread_getunique_np only if it it's not a macro. Delete
14978 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14979 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14980 __gthread_objc_condition_signal, __gthread_key_delete): Add
14981 "__attribute__ ((__unused__))" to unused arguments.
14982 (__gthread_recursive_mutex_init_function): Add missing return.
14983 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14984 gthr-posix95.h: Use macro-based approach for name redirection
14985 on targets missing weakref.
14987 2006-01-26 Zack Weinberg <zackw@panix.com>
14989 * genconditions.c (write_header): In generated code, #ifdef out
14990 all includes and fake declarations, except includes of bconfig.h
14991 and system.h, unless GCC_VERSION >= 3001. Do not include
14992 gensupport.h in any case.
14993 (write_conditions): Generate a definition of struct c_test. Add
14994 a comment to the generated #endif.
14995 (write_one_condition): Escape backslashes in string too.
14996 (write_writer): Generated code must escape backslashes and quote
14997 marks (but not newlines) in the strings it writes.
14998 * Makefile.in (build/gencondmd.o): Update dependencies.
15000 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15003 * Makefile.in (insn-automata.o): Add header file dependencies.
15004 * genautomata.c: Add includes.
15006 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15009 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15011 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15013 * configure.ac: Expect target tools paths to be passed from the toplevel
15014 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15016 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15018 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15021 * c.opt (Wpointer-sign): Init to -1.
15022 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15023 OPT_pedantic, to 0 otherwise.
15024 * doc/invoke.texi: Update.
15026 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15028 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15029 constants provided by 80387 instructions in the destination mode.
15031 2006-01-26 Richard Guenther <rguenther@suse.de>
15032 Andrew Pinski <pinskia@physics.uc.edu>
15035 partial PR tree-opt/17064
15036 * tree-ssa-structalias.c (intra_create_variable_infos):
15037 Create heap variables for incoming parameters if
15038 flag_argument_noalias > 1.
15039 (find_what_p_points_to): Look through default defs of
15042 2006-01-26 Jeff Law <law@redhat.com>
15045 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15046 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15047 within the VR_RANGE, use the VR_RANGE as the result, not the
15049 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15050 bounds for the type.
15052 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15054 * tree-ssa-alias.c (maybe_create_global_var): Change
15055 subvar walking to an assertion that we don't have subvar'd variables.
15057 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15060 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15061 Use a new variable, inner. PARM_DECLs are always non-weak.
15063 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15065 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15066 --disable-checking.
15068 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15070 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15072 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15074 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15075 (smax_insn, smin_insn, smax_0, smin_0): New.
15077 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15080 * config/cris/cris.c (cris_order_for_addsi3): New function.
15081 * config/cris/cris-protos.h: Prototype it.
15082 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15083 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15084 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15085 (split for "op.S1 [rx=rx+i],ry (swapped)")
15086 (split for "op(s|u).S1 [rx=rx+i],ry")
15087 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15088 Apply cris_order_for_addsi3 when generating addsi3 insns.
15090 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15092 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15093 (TREE_BLOCK): Add call to EXPR_CHECK.
15095 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15098 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15099 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15100 (dump_omp_clauses): ... here.
15101 (dump_generic_node): Handle OMP_CLAUSE.
15102 * tree.c (omp_clause_num_ops): New.
15103 (omp_clause_code_name): New.
15104 (tree_code_size): Handle OMP_CLAUSE.
15105 (tree_size): Likewise.
15106 (make_node): Document handling of OMP_CLAUSE.
15107 (tree_node_structure): Handle OMP_CLAUSE.
15108 (omp_clause_check_failed): New.
15109 (omp_clause_range_check_failed): New.
15110 (omp_clause_operand_check_failed): New.
15111 (build_omp_clause): New.
15112 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15113 * tree.h (enum omp_clause_code): Declare.
15114 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15115 (OMP_CLAUSE_RANGE_CHECK): Define.
15116 (OMP_CLAUSE_ELT_CHECK): Define.
15117 (omp_clause_check_failed): Declare.
15118 (omp_clause_operand_check_failed): Declare.
15119 (omp_clause_range_check_failed): Declare.
15120 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15121 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15122 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15123 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15124 (OMP_CLAUSE_IF_EXPR): Likewise.
15125 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15126 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15127 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15128 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15129 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15130 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15131 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15132 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15133 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15134 (OMP_CLAUSE_CODE): Define.
15135 (OMP_CLAUSE_SET_CODE): Define.
15136 (OMP_CLAUSE_CODE): Define.
15137 (OMP_CLAUSE_OPERAND): Define.
15138 (struct tree_omp_clause): Declare.
15139 (union tree_node): Add field 'omp_clause'.
15140 * treestruct.def (TS_OMP_CLAUSE): Define.
15141 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15142 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15143 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15144 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15145 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15146 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15147 (OMP_CLAUSE): Define.
15148 * print-tree.c (print_node): Handle OMP_CLAUSE.
15149 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15150 * c-typeck.c: Likewise.
15151 * gimplify.c: Likewise.
15152 * c-omp.c: Likewise.
15153 * tree-nested.c: Likewise.
15154 * tree-inline.c: Likewise.
15155 * c-parser.c: Likewise.
15156 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15159 2006-01-25 Roger Sayle <roger@eyesopen.com>
15161 PR rtl-optimization/25703
15162 * combine.c (try_combine): Handle zero_extract and strict_low_part
15163 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15165 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15167 * global.c: Fix comment typos.
15169 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15172 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15173 Use output_addr_const instead of assemble_name.
15175 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15177 * Makefile.in (sched-vis.o): Update dependencies.
15178 * haifa-sched.c (sched_finish): Clear current_sched_info.
15179 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15180 (dump_flow_info): Call it.
15181 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15183 * basic-block.h (dump_bb_info): Declare.
15184 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15185 option, and apply options only for dump files whose TDF_RTL,
15186 TDF_TREE, or TDF_IPA bits match.
15187 * rtl.h: Declare new functions exported from sched-vis.c.
15188 * sched-vis.c: Enable also if scheduling is not used.
15189 (print_value): Print the mode of registers if not inside scheduling.
15190 (print_insn): Make it work outside the scheduler. Beautify the output
15192 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15194 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15196 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15197 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15198 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15199 depending on the value of CONSTANT_POOL_ADDRESS_P.
15200 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15202 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15203 rather than SYMBOL_REF_DECL.
15204 (rtx_constant_pool): Remove const_rtx_sym_htab.
15205 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15206 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15207 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15208 Remove handling of const_rtx_sym_htab.
15209 (find_pool_constant): Delete.
15210 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15211 rather than find_pool_constant.
15212 (get_pool_constant_for_function): Delete.
15213 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15214 find_pool_constant.
15215 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15216 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15217 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15218 (SYMBOL_REF_CONSTANT): New macro.
15219 (get_pool_constant_for_function): Delete.
15220 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15221 rather than SYMBOL_REF_DECL.
15222 (i386_pe_mark_dllimport): Likewise.
15223 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15224 rather than SYMBOL_REF_DECL.
15225 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15226 (machopic_indirect_call_target): Likewise.
15228 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15230 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15232 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15234 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15236 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15238 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15240 2006-01-24 David Daney <ddaney@avtrex.com>
15243 * configure.ac (enable_tls): New enable option.
15244 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15245 * configure: Regenerate.
15246 * doc/install.texi (--enable-tls): Document new option.
15247 (--disable-tls): Ditto.
15249 2006-01-24 Richard Henderson <rth@redehat.com>
15251 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15252 * alias.c (true_dependence): Respect it.
15253 (canon_true_dependence, write_dependence_p): Likewise.
15254 * builtins.c (get_builtin_sync_mem): Set it.
15256 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15258 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15261 2006-01-24 DJ Delorie <dj@redhat.com>
15263 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15264 for storing constants in single-bit bitfields.
15266 2006-01-25 Ben Elliston <bje@au.ibm.com>
15268 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15270 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15273 * tree-ssa-pre.c (phi_translate): Return NULL
15274 for AGGREGATE_TYPE's.
15276 2006-01-24 Zack Weinberg <zackw@panix.com>
15278 * genautomata.c (process_state_for_insn_equiv_partition):
15279 Use xcalloc for insn_arcs_array.
15280 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15281 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15283 2006-01-24 Richard Henderson <rth@redhat.com>
15285 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15286 update all callers.
15288 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15290 PR rtl-optimization/25890
15291 PR rtl-optimization/25905
15292 * combine.c (expand_compound_operation, expand_field_assignment):
15293 Fail if the bitfield's final position is out of bounds.
15295 2006-01-24 Ian Lance Taylor <ian@airs.com>
15297 PR middle-end/25930
15298 * cgraphunit.c (cgraph_output_in_order): Don't clear
15299 cgraph_asm_nodes until after asm strings have been output.
15301 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15303 * fix-header.c (read_scan_file): Add new parameter imultilib when
15304 calling register_include_chains.
15306 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15308 * omp-low.c: Update documentation.
15310 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15311 Daniel Berlin <dberlin@dberlin.org>
15315 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15316 return from the function.
15318 2006-01-22 Zack Weinberg <zackw@panix.com>
15320 * rtl.def (match_code): Add second argument.
15321 * genpreds.c (write_extract_subexp): New function.
15322 (write_match_code): Add path argument. Use write_extract_subexp.
15323 (write_predicate_expr): Pass path to write_match_code.
15324 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15325 not perform a mode test.
15326 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15327 a subexpression does not constrain the top-level code set.
15328 * read-rtl.c (read_rtx_variadic): New function.
15329 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15330 * doc/md.texi: Document new notation.
15331 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15332 (cmpsi_operand): ... here, using new notation.
15334 2006-01-22 Zack Weinberg <zackw@panix.com>
15336 * varray.c: Remove GENERATOR_FILE #ifdefs.
15338 2006-01-22 Zack Weinberg <zackw@panix.com>
15340 * genautomata.c (output_reserved_units_table): Emit nothing if
15341 description->query_units_num is zero. Remove extra blank line.
15342 (output_cpu_unit_reservation_p): Short circuit
15343 if description->query_units_num is zero.
15345 2006-01-22 Zack Weinberg <zackw@panix.com>
15347 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15348 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15349 nor any of the random handful of variables that used to be necessary
15350 when this program was linked with rtlanal.o. Prune set of forward
15351 function declarations.
15352 (struct attr_desc): Remove static_p field.
15353 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15354 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15355 (attr_string): Do not read the character one past the length of
15357 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15358 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15359 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15360 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15361 (make_automaton_attrs): New.
15362 (main): Do not call into genautomata. Call local gen_bypass
15363 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15364 Remove special case for insn_alts.
15365 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15366 varray.h (leftover from previous change). Prune set of forward
15367 function declarations. Remove state_alts fields from all
15368 structures. Remove state_alts_table from struct automaton.
15369 Make everything except main static. Do not maintain num_dfa_decls.
15370 Do not maintain state_alts fields of various structures.
15371 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15372 (add_arc): Remove state_alts argument. All callers updated.
15373 (output_reserved_units_table): Emit #ifdef here...
15374 (output_tables): ...not here. Don't generate state_alts tables.
15375 (expand_automata): Don't generate attributes.
15376 (write_automata): Don't generate state_alts functions.
15377 (main): New function.
15378 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15379 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15380 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15381 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15382 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15383 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15384 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15385 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15387 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15388 * genattrtab.h: Delete file.
15389 * Makefile.in (OBJS-common): Add insn-automata.o.
15390 (insn-automata.o): New rule.
15391 (simple_generated_c): Add insn-automata.c.
15392 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15393 (genprogmd): Add automata.
15394 (build/genattrtab): Needs no extra objects nor libraries.
15395 (build/genautomata): Needs build/vec.o and -lm.
15397 2006-01-22 Zack Weinberg <zackw@panix.com>
15399 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15400 (output_dfa_max_issue_rate, locked_states_num): Delete.
15401 (struct automaton): Add locked_states field.
15402 (output_dead_lock_vect): Save number of locked states in
15403 automaton->locked_states. If it is zero, don't print anything.
15404 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15405 (output_internal_dead_lock_func): Only test the dead_lock_vect
15406 for automata that have locked states.
15407 (output_statistics): Always print the number of locked states for
15408 each automaton. Calculate total number of locked states here.
15409 (write_automata): Don't call output_dfa_max_issue_rate.
15410 * genattrtab.c: Define length_unit_log as a const variable.
15411 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15412 max_insn_queue_index const.
15413 * final.c (length_unit_log): Declare const.
15414 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15416 2006-01-22 Zack Weinberg <zackw@panix.com>
15418 * genautomata.c: Include vec.h, not varray.h.
15419 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15420 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15421 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15422 VEC_* macros operating on appropriately typed vectors, or to
15423 malloced arrays when the size is known in advance. Const-ify
15424 many char* variables and function arguments. No functional changes.
15425 * Makefile.in (build/varray.o): Delete rule.
15426 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15427 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15429 2006-01-22 Zack Weinberg <zackw@panix.com>
15431 * gensupport.c: Define get_insn_name and record_insn_name here.
15432 (read_md_rtx): Call record_insn_name as appropriate.
15433 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15434 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15435 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15437 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15438 (BUILD_VARRAY): Delete.
15439 (genprognormal): Rename genprogmd. Fold in all programs from
15440 genprognoprint; also attrtab.
15441 (build/genattrtab): Just mention genautomata.o and varray.o.
15442 Reorganize a bit, add comments to make the categories clearer.
15444 2006-01-22 Zack Weinberg <zackw@panix.com>
15446 * genconditions.c (condition_table, add_condition): Delete.
15447 (write_conditions): Don't emit n_insn_conditions nor
15448 insn_elision_unavailable. Issue the gcc version #ifdef here,
15449 inside the table, with no #else clause ...
15450 (write_header): ...not here.
15451 (write_writer): New function.
15452 (main): Don't initialize condition_table. Use add_c_test.
15454 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15455 files on the command line.
15456 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15457 Return -1 if there is no entry in the table, don't abort.
15458 (add_c_test, traverse_c_tests): New functions.
15459 * gensupport.h (insn_elision_unavailable, insn_conditions)
15460 (n_insn_conditions): Delete declarations.
15461 (add_c_test, traverse_c_tests): Declare.
15462 * read-rtl.c: Include gensupport.h.
15463 (read_conditions): New function.
15464 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15465 (read_rtx_1): If we get EOF when we were looking for an initial
15466 open paren, return 0. Call read_conditions when appropriate.
15467 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15468 dummy-conditions.o. Eliminate references to insn-conditions.o,
15469 or change them to build/gencondmd.o, as appropriate. Remove
15470 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15471 from $(simple_generated_c). For all files remaining in those
15472 two lists, add insn-conditions.md to the generator command line.
15473 Give insn-constants.h/s-constants their own rules. Add rules
15474 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15475 (build/read-rtl.o): Depend on gensupport.h.
15476 (genprognormal): Include preds.
15477 (genprogearly): Rename genprognoprint; only difference is now that
15478 they don't link with $(BUILD_PRINT).
15479 * dummy-conditions.c: Delete.
15481 2006-01-22 Zack Weinberg <zackw@panix.com>
15483 * genextract.c: Don't include insn-config.h. Do include vec.h.
15484 Declare vectors of int, char, and locstr.
15485 (locstr): New typedef.
15486 (struct extraction): Make all array fields into bare pointers.
15487 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15488 (insn_code_number): Delete.
15489 (accum_extract): New struct.
15490 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15491 (gen_insn): Take insn_code_number as an argument. Use an
15492 accum_extract structure instead of loading data directly into
15493 a struct extraction, and having to know how big it might get.
15494 (walk_rtx): Operate entirely on an accum_extract structure.
15495 (print_path): Avoid unnecessary use of printf.
15496 (print_header): New function, split out of main. Distinguish
15497 more carefully between an unrecognizable insn and an insn that
15498 has the code number of a define_expand.
15499 (main): Pass insn_code_number to gen_insn. Call print_header
15500 only after parsing. Avoid unnecessary use of printf.
15501 * Makefile.in (build/vec.o): New rule.
15502 (build/genextract): Depend on build/vec.o.
15503 (build/genextract.o): Don't depend on insn-config.h.
15505 2006-01-22 Zack Weinberg <zackw@panix.com>
15507 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15508 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15509 practical. Eliminate per-generator-program link rules.
15511 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15513 PR middle-end/24437
15514 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15515 with a call expr to ...
15516 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15518 2006-01-23 Richard Guenther <rguenther@suse.de>
15520 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15521 before make_edge with conditional EDGE_TRUE_VALUE.
15523 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15524 Jan Hubicka <jh@suse.cz>
15525 Richard Guenther <rguenther@suse.de>
15527 PR rtl-optimization/25654
15528 * cfgexpand.c (aggregate_contains_union_type): New function.
15529 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15530 for structure variables that contain a union type.
15532 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15534 * gengtype.c (new_structure): Return the structure.
15535 (create_option): Add an extra "next" argument.
15536 (create_field): New function.
15537 (adjust_field_rtx_def): Use create_option and create_field.
15538 Remove a now-unnecessary call to find_structure.
15539 (adjust_field_tree_def): Likewise.
15540 (note_yacc_type): Remove an unnecessary call to find_structure.
15541 * gengtype.h (new_structure): Return the structure.
15542 (create_option): Add an extra argument.
15543 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15544 (option): Adjust calls to create_option.
15546 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15548 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15550 2006-01-22 Paul Brook <paul@codesourcery.com>
15551 Peter Barada <peter@the-baradas.com>
15553 * config/m68k/m68k.md: Add Coldfire FPU support.
15554 Define FP mode macro and associated attributes.
15555 Use it for float mode patterns.
15556 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15557 (LIBCALL_VALUE): Use m68k_libcall_value.
15558 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15559 (m68k_function_value): Ditto.
15560 (emit_move_sequence): Ditto.
15561 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15562 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15563 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15564 (MULTILIB_EXCEPTIONS): Ditto.
15565 * config/m68k/m68k.opt: Add mcfv4e.
15566 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15567 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15568 (m68k_output_function_prologue): Save ColdFire FPU registers.
15569 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15570 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15571 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15572 ColdFire FPU registers.
15573 (m68k_libcall_value, m68k_function_value): New functions.
15574 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15575 (LIBCALL_VALUE): Use m68k_libcall_value.
15576 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15577 (MASK_COLDFIRE): Add MASK_CFV4E.
15578 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15579 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15580 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15581 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15582 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15583 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15584 * doc/invoke.tex: Document -mcfv4e on m68k.
15586 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15588 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15591 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15594 * c-opts.c (c_common_handle_option): Don't include
15595 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15596 * doc/invoke.texi (C++ Dialect Options): Document that
15597 -Wnon-virtual-dtor is no longer included in -Wall.
15599 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15601 * gcov.c (print_version), gcov-dump.c (print_version),
15602 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15605 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15607 * df-scan.c (problem_SCAN): Added NULL reset function.
15608 (df_scan_reset_blocks): Added code to call reset block function
15609 (df_bb_refs_delete) Fixed comment.
15610 (df_insn_refs_delete): Made tolerant of deleting non existent info
15611 for dataflow problems that need to be reset.
15612 * df-core.c (df_set_blocks): Ditto.
15613 * df.h (struct df_problem): Added reset_fun.
15614 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15615 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15616 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15617 functions to clear out all references to def-use or use-def chains.
15619 2006-01-21 Ben Elliston <bje@au.ibm.com>
15621 * varasm.c (assemble_real): Initialise data array.
15623 2006-01-20 Paul Brook <paul@codesourcery.com>
15625 Merge from csl-arm-branch.
15626 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15627 * config/arm/arm.md (movdi): Force operands[1] to a register
15628 if we have a non-register source.
15629 (*arm_movdi, *movdf_soft_insn): Require that one of the
15630 operands be a register.
15631 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15632 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15634 2006-01-20 DJ Delorie <dj@redhat.com>
15636 * varasm.c (initializer_constant_valid_p): Allow pointers
15637 initialized from integer constants of lesser precision.
15638 (output_constant): Allow non-int-sized pointer modes to be
15639 initialized from integer constants.
15641 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15644 * cppdefault.h (struct default_include): Add multilib flag.
15645 * cppdefault.c (cpp_include_defaults): Set it.
15646 * c.opt (-imultilib): New option.
15647 * c-opts.c (imultilib): New.
15648 (c_common_handle_option): Handle -imultilib.
15649 (c_common_post_options): Likewise.
15650 * c-incpath.c (add_standard_paths, register_include_chains):
15652 * c-incpath.h (register_include_chains): Add extra parameter.
15653 * gcc.c (do_spec_1): Generate -imultilib option.
15654 (The Specs Language): Update %I description.
15655 (process_command): Update copyright notice.
15656 * doc/cppopts.texi (-imultilib): Document.
15657 * doc/invoke.texi (-imultilib): Include in option summary.
15658 (%I): Update specs documentation.
15660 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15662 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15664 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15666 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15669 2006-01-20 Richard Guenther <rguenther@suse.de>
15670 Steven Bosscher <stevenb.gcc@gmail.com>
15672 PR rtl-optimization/24626
15673 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15674 EDGE_TRUE_VALUE if in RTL mode.
15677 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15678 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15680 2006-01-20 Dirk Mueller <dmueller@suse.com>
15683 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15684 instead of a special NOP marker.
15685 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15686 NOP marker handling.
15687 * c-common.h (empty_body_warning): Add forward declaration.
15688 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15689 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15691 2006-01-20 Paul Brook <paul@codesourcery.com>
15693 * Makefile.in (lang_checks): Keep going if mkdir fails.
15695 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15697 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15698 be able to clean out basic block when not necessary.
15699 (df_scan_free): Fixed to properly delete information if df is
15700 unused before calling df_finish.
15701 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15702 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15704 (df_bb_refs_delete): New function.
15705 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15706 * df-core.c (df_set_blocks): Added code to properly clean out
15707 unused blocks if they are not part of the blocks to consider.
15708 Added additional null check.
15709 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15710 be able to clean out basic block when not necessary
15711 * df.h (df_free_bb_function): Ditto.
15712 (df_bb_refs_delete): New function.
15713 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15714 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15715 basic block parameter to be able to clean out basic block when not
15717 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15718 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15719 Fixed to properly delete information if df is unused before
15722 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15724 PR rtl-optimization/25799
15725 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15726 Corrected confluence operator to remove bits from op2 before oring
15727 with op1 rather than removing bits from op1.
15728 (df_ru_transfer_function): Corrected test on wrong bitmap which
15729 caused infinite loop. Both of these problems were introduced in
15730 the dataflow rewrite.
15732 2006-01-19 DJ Delorie <dj@redhat.com>
15734 * reload1.c (find_reload_regs): Note the details of reload
15735 failures in the dump file.
15736 (spill_failure): Likewise.
15738 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15740 * loop-iv.c: Include df.h and hashtab.h.
15741 (enum iv_grd_result): New enum.
15742 (DF_REF_IV, DF_REF_IV_SET): New macros.
15743 (struct biv_entry): New.
15744 (df, bivs): New global variables.
15745 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15746 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15748 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15749 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15750 analyzed_for_bivness_p, record_biv): New functions.
15751 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15752 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15753 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15755 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15757 (iv_number_of_iterations): Use new interface to iv analysis.
15758 * loop-unroll.c: Do not include varray.h.
15759 (analyze_iv_to_split_insn): Use new interface to iv
15761 * loop-unswitch.c (may_unswitch_on): Ditto.
15762 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15764 (df_bb_modify): Realloc tables to the new index.
15765 (df_find_use): New function.
15766 * df.h (df_find_use): Declare.
15767 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15769 * cfgloop.h (struct rtx_iv): Remove analysed field.
15770 (iv_get_reaching_def): Removed.
15771 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15772 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15773 (loop-iv.o): Add df.h and hashtab.h dependency.
15774 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15776 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15779 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15781 (__floatundisf, __floatundidf): Likewise.
15782 * libgcc2.h (IS_IBM_EXTENDED): Define.
15784 2006-01-19 DJ Delorie <dj@redhat.com>
15786 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15788 2006-01-19 Paul Brook <paul@codesourcery.com>
15790 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15791 as nothrow when unwinding tables are disabled.
15793 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15796 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15797 of bit-field" when in system header.
15799 2006-01-19 DJ Delorie <dj@redhat.com>
15801 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15802 the 16 bit shift limit of the m16c.
15804 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15807 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15808 * config/i386/i386.c (output_set_got): Output the label if we have one
15809 for the TARGET_DEEP_BRANCH_PREDICTION case.
15811 2006-01-19 Jan Hubicka <jh@suse.cz>
15812 H.J. Lu <hongjiu.lu@intel.com>
15813 Evandro Menezes <evandro.menezes@amd.com>
15815 * invoke.texi (generic): Document
15817 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15818 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15819 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15820 (x86_use_incdec, x86_pad_returns): New variables
15821 (TARGET_CPU_DEFAULT_generic): New constant
15822 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15823 (enum processor_type): Add generic32 and generic64.
15824 * i386.md (cpu attribute): Add generic32/generic64
15825 (movhi splitter): Behave sanely when both partial_reg_dependency and
15826 partial_reg_stall are set.
15827 (K8 splitters): Enable for generic as well.
15828 * predicates.md (incdec_operand): Use TARGET_INCDEC
15829 (aligned_operand): Avoid memory mismatch stalls.
15830 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15831 * ppro.md: Enable for generic32
15832 * i386.c (generic64_cost, generic32_cost): New.
15833 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15834 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15835 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15836 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15837 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15838 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15839 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15840 x86_accumulate_outgoing_args, x86_prologue_using_move,
15841 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15842 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15843 Enable for generic.
15844 (x86_use_incdec, x86_pad_returns): New.
15845 (override_options): Add generic32 and generic64, translate "generic"
15846 to generic32/generic64 and "i686" to "generic32", refuse
15847 "generic32"/"generic64" as arch target.
15848 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15849 (ix86_reorg): Honor PAD_RETURNS.
15851 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15853 * tree-pretty-print.c (dump_generic_node): Handle
15854 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15855 * cgraph.c (cgraph_expand_queue): Rename from
15856 cgraph_analyze_queue. Update all users.
15857 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15858 cgraph_expand_queue.
15859 (cgraph_expand_all_functions): Likewise.
15860 (cgraph_finalize_pending_functions): Remove. Update callers.
15862 * tree.h (OMP_DIRECTIVE_P): Define.
15863 (OMP_PARALLEL_FN): Define.
15864 (OMP_PARALLEL_DATA_ARG): Define.
15865 (OMP_SECTIONS_SECTIONS): Define.
15866 * tree-pass.h (pass_expand_omp): Declare.
15867 * omp-low.c (struct omp_region): Declare.
15868 (struct omp_context): Remove fields 'parallel_type',
15869 'parallel_start_ix' and 'parallel_start_additional_args'.
15871 (struct omp_for_data): Rename from struct expand_omp_for_data.
15872 (omp_regions): New static variable.
15873 (root_omp_region): New static variable.
15874 (find_omp_clause): Make static.
15875 (is_in_combined_parallel_ctx): Remove.
15876 (is_combined_parallel): New.
15877 (extract_omp_for_data): Move earlier in the file.
15878 (workshare_safe_to_combine_p): New.
15879 (get_ws_args_for): New.
15880 (determine_parallel_type): Move earlier in the file.
15881 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15883 (omp_copy_decl): Likewise.
15884 (create_omp_child_function): Likewise.
15885 (lookup_omp_region): New.
15886 (dump_omp_region): New.
15887 (debug_omp_region): New.
15888 (debug_all_omp_regions): New.
15889 (new_omp_region): New.
15890 (scan_omp_parallel): If parallel_nesting_level > 1, the
15891 directive is nested within another parallel directive.
15892 Set OMP_PARALLEL_FN.
15893 (scan_omp_for): Do not try to handle combined parallel+for
15895 Remove FIXME comment.
15896 (scan_omp_nested): Remove.
15897 (scan_omp_1): Do not call scan_omp_nested when
15898 parallel_nesting_level is > 1.
15899 Do not change the DECL_CONTEXT of local variables found.
15900 (lookup_decl_in_outer_ctx): New.
15901 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15902 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15903 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15904 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15905 If CTX is nested, lookup VAR in the outer context when
15906 building copy assignment.
15907 (lower_send_clauses): Rename from expand_send_clauses.
15908 If CTX is nested, lookup VAR in the outer context when
15909 building copy assignments.
15910 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15911 If CTX is nested, lookup VAR in the outer context when
15912 building copy assignments.
15913 (expand_parallel_call): Rename from build_parallel_call.
15914 Handle combined parallel+workshare cases.
15915 Re-implement to emit code into the CFG.
15917 (expand_omp_parallel): Re-implement to emit code into the CFG.
15918 Call move_sese_region_to_fn to outline the sub-graph
15919 containing the parallel region.
15920 (expand_omp_for_1): Remove.
15921 (expand_omp_for_generic): Re-implement to emit code into the
15923 (expand_omp_for_static_nochunk): Likewise.
15924 (expand_omp_for_static_chunk): Likewise.
15925 (expand_omp_for): Likewise.
15926 (expand_omp_sections): Likewise.
15927 (remove_exit_barriers): New.
15928 (expand_omp_synch): New.
15930 (build_omp_regions_1): New.
15931 (build_omp_regions): New.
15932 (execute_expand_omp): New.
15933 (gate_expand_omp): New.
15934 (pass_expand_omp): Define.
15935 (lower_omp_sections): Rename from expand_omp_sections.
15936 Set OMP_SECTIONS_SECTIONS.
15937 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15938 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15939 (lower_omp_single): Rename from expand_omp_simple.
15940 (lower_omp_master): Rename from expand_omp_master.
15941 (lower_omp_ordered): Rename from expand_omp_ordered.
15942 (lower_omp_critical): Rename from expand_omp_critical.
15943 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15944 (lower_omp_for): Re-implement.
15945 (lower_omp_parallel): Re-implement.
15946 (lower_regimplify): Rename from expand_regimplify.
15947 (lower_omp_1): Rename from expand_omp_1.
15948 If there are syntax errors in the program, replace every
15949 OpenMP directive with NOP.
15950 Call lower_omp_* instead of expand_omp_*.
15951 (lower_omp): Rename from expand_omp.
15953 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15954 * tree-gimple.h (enum omp_parallel_type): Remove.
15955 (gimple_boolify): Declare extern.
15956 (find_omp_clause, determine_parallel_type): Remove.
15958 * gimple-low.c (lower_omp_directive): New.
15959 (lower_stmt): Call it.
15960 (record_vars_into): Move from ...
15961 (record_vars): ... here.
15962 Call record_vars_into with current_function_decl.
15964 * gimplify.c (struct gimplify_ctx): Remove fields
15965 combined_pre_p and combined_ctxp. Update users.
15966 (get_formal_tmp_var): Add documentation.
15967 (gimple_boolify): Make extern.
15968 (gimplify_expr_in_ctx): Remove. Update callers.
15969 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15970 will always be a BIND_EXPR.
15971 (gimplify_expr): Handle OMP_RETURN_EXPR.
15972 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15973 (OMP_PARALLEL): Add 3 operands.
15974 (OMP_SECTIONS): Add 1 operand.
15975 (OMP_RETURN_EXPR): Define.
15977 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15978 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15979 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15980 creating a circular free list.
15981 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15983 * tree-flow.h (move_sese_region_to_fn): Declare.
15984 (record_vars_into): Declare.
15985 * tree-cfg.c (make_omp_sections_edges): New.
15986 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15987 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15988 OMP_SECTIONS and OMP_SECTION.
15989 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15990 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15991 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15992 (gather_blocks_in_sese_region): New.
15993 (struct move_stmt_d): Declare.
15994 (move_stmt_r): New.
15995 (move_block_to_fn): New.
15996 (move_sese_region_to_fn): New.
15998 * passes.c (init_optimization_passes): Schedule
15999 pass_expand_omp after pass_init_datastructures.
16001 * tree-ssa-operands.c (get_expr_operands): Handle
16002 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16003 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16005 2006-01-19 Jeff Law <law@redhat.com>
16007 * tree-vrp.c (extract_range_from_assert): Refine the result range
16008 if the variable referenced by the ASSERT_EXPR has a range and
16009 either the tentative result range or the previous range is a
16012 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16014 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16016 2006-01-19 Jan Hubicka <jh@suse.cz>
16018 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16020 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16022 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16023 (expand_compound_operation, expand_field_assignment): Fail if the
16024 bit lengths of an extract operation are out of range.
16025 (make_extraction): Compute wanted_inner_mode based on the position
16026 and length of the extraction. Make it extraction_mode for non-constant
16027 positions, and do not modify offset in that case. When generating a
16028 new MEM, use a mode that can hold the extraction while keeping correct
16029 alignment. Remove code that supported MEMs wrapped by USEs.
16030 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16032 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16034 * config/s390/s390.md ("Y", "y"): New mode attribute.
16035 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16036 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16037 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16038 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16039 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16040 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16041 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16042 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16043 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16044 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16045 "addsi3", "subsi3"): Insn patterns removed.
16046 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16047 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16048 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16049 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16050 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16051 "*sub<mode>3_cconly2"): New insn patterns.
16052 ("addsi3", "subsi3"): New expanders.
16054 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16056 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16057 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16058 existing STMT_VINFO_VECTYPE if available.
16059 (vect_mark_relevant): Add special handling for stmts that are
16060 marked as STMT_VINFO_IN_PATTERN_P.
16061 (vect_analyze_loop): Call vect_pattern_recog.
16062 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16063 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16065 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16066 (vect_recog_func_ptr): New function-pointer type.
16067 * tree-vect-patterns.c: New file.
16068 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16069 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16070 (vect_pattern_recog_1): New functions.
16071 (vect_pattern_recog_funcs): New array of function pointers.
16073 * tree-vectorizer.h (ternary_op): New enum value.
16074 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16075 declaration. Revised documentation. Removed redundant dump prints.
16076 Removed redundant argument. Added support for reduction patterns.
16077 (vectorizable_reduction): Added support for reduction patterns.
16078 (vect_transform_stmt): Added support for patterns.
16080 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16081 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16082 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16083 (expand_widen_pattern_expr): New function.
16084 (init_optabs): Initialize new optabs udot_prod_optab,
16086 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16087 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16088 (expand_widen_pattern_expr): New function declaration.
16089 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16091 * tree-inline.c (estimate_num_insns_1): Added cases for new
16092 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16093 * tree-pretty-print.c (dump_generic_node): Likewise.
16094 (op_prio): Likewise.
16095 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16096 * tree-ssa-operands.c (get_expr_operands): Added case for
16098 * tree-vect-patterns.c (widened_name_p): New function.
16099 (vect_recog_dot_prod_pattern): Added function implementation.
16100 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16101 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16102 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16103 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16105 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16106 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16107 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16108 (init_optabs): Initialize new optabs widen_ssum_optab,
16110 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16111 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16112 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16113 use instead of type of def.
16114 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16115 function implementation.
16116 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16117 widen_ssumv8hi): New.
16119 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16122 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16125 * c-decl.c (add_flexible_array_elts_to_size): New function.
16126 (finish_decl): Use it.
16128 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16130 * diagnostic.h: Include options.h.
16131 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16132 dependancies for diagnostic.h.
16133 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16135 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16137 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16138 (ssa_ro_call_cache_valid): Ditto.
16139 * tree-ssa-alias.c (sort_tags_by_id): New function.
16140 (init_transitive_clobber_worklist): Ditto.
16141 (add_to_worklist): Ditto.
16142 (mark_aliases_call_clobbered): Ditto.
16143 (compute_tag_properties): Ditto.
16144 (set_initial_properties): Ditto.
16145 (compute_call_clobbered): Ditto.
16146 (compute_may_aliases): Call compute_call_clobbered and grouping.
16147 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16148 (compute_flow_insensitive_aliasing): Grouping now happens in our
16150 (setup_pointers_and_addressables): Remove clobbering related code.
16151 (add_may_alias): Ditto.
16152 (replace_may_alias): Ditto.
16153 (get_nmt_for): Ditto.
16154 (create_global_var):
16155 (is_escape_site): Return an escape_type enumeration.
16156 * tree-flow-inline.h (is_call_clobbered): Global var does not
16157 imply call clobbered.
16158 (mark_call_clobbered): Take a reason for marking this. Remove
16159 marking of globalness, and cache invalidation.
16160 (clear_call_clobbered): Remove cache invalidation code.
16161 * tree-dfa.c (dump_variable): If details is on, dump the reason
16163 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16165 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16166 (struct var_ann_d): Ditto.
16167 (enum escape_type): New.
16168 (mark_call_clobbered): Adjust prototype.
16169 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16170 are never call clobbered.
16171 Record reasons for escaping.
16172 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16173 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16174 (ssa_ro_call_cache_valid): Ditto.
16175 (clobbered_v_may_defs): Ditto.
16176 (clobbered_vuses): Ditto.
16177 (ro_call_vuses): Ditto.
16178 (clobber_stats): New.
16179 (init_ssa_operands): Zero out clobber stats.
16180 (fini_ssa_operands): Print out clobber stats.
16181 (get_call_expr_operands): Pass callee fndecl to
16182 add_call_read_ops).
16183 (add_call_clobber_ops): Remove use of cache.
16184 Add use of PURE_CONST information.
16185 (add_call_read_ops): Remove use of cache.
16186 Add use of static not_read information.
16188 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16190 Introduce TLS descriptors for i386 and x86_64.
16191 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16192 (TARGET_ANY_GNU_TLS): New macro.
16193 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16194 (struct machine_function): Add tls_descriptor_call_expanded_p.
16195 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16196 (ix86_current_function_calls_tls_descriptor): Likewise.
16197 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16198 (override_options): Introduce gnu2 tls dialect.
16199 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16201 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16203 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16204 (ix86_init_machine_status): Initialize new field.
16205 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16206 (ix86_tls_module_base): New.
16207 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16208 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16209 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16210 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16211 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16212 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16213 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16214 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16215 * config/i386/predicates.md (tls_modbase_operand): New.
16216 (tp_or_register_operand): New.
16218 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16220 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16221 (look_for_address_of): Ditto.
16222 (ipa_init): Walk the function decls.
16223 (static_execute): Don't set readonly on FUNCTION_DECL's.
16225 2006-01-18 Roger Sayle <roger@eyesopen.com>
16227 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16228 for shifts where the source and destination registers are different.
16230 2006-01-18 Paul Brook <paul@codesourcery.com>
16232 Merge from csl-arm-branch.
16233 2005-03-14 Julian Brown <julian@codesourcery.com>
16234 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16235 (aeabi_llsl): Likewise.
16236 (ashrdi3): Likewise.
16237 (aeabi_lasr): Likewise.
16238 (lshrdi3): Likewise.
16239 (aeabi_llsr): Likewise.
16240 2005-03-10 Julian Brown <julian@codesourcery.com>
16241 * config.gcc: Disable shared libgcc for SymbianOS.
16242 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16244 2006-01-18 DJ Delorie <dj@redhat.com>
16246 * c-pragma.c (handle_pragma_diagnostic): New.
16247 (init_pragma): Register it.
16248 * doc/extend.texi: Document it.
16250 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16251 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16252 (diagnostic_context): Add classify_diagnostic[].
16253 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16254 as errors if they're overridden to DK_WARNING.
16255 (diagnostic_initialize): Initialize classify_diagnostic[].
16256 (diagnostic_set_kind_override): New.
16257 (diagnostic_report_diagnostic): Check for kind changes.
16258 * opts.c (common_handle_option): Take lang_mask. Update callers.
16259 Handle OPT_Werror_.
16260 * common.opt (Werror=): New.
16261 * doc/invoke.texi: Document -Werror=*
16263 2006-01-18 Jeff Law <law@redhat.com>
16265 * tree-vrp.c (test_for_singularity): Correct test for new
16266 min limit. Use operand_equal_p rather than pointer equality
16267 for testing if new min/max values are equal.
16269 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16270 using range information until after propagation and folding.
16272 2006-01-18 Richard Henderson <rth@redhat.com>
16273 Aldy Hernandez <aldyh@redhat.com>
16274 Jakub Jelinek <jakub@redhat.com>
16275 Diego Novillo <dnovillo@redhat.com>
16277 * omp-low.c: New file.
16278 * c-omp.c: New file.
16280 2006-01-18 Richard Henderson <rth@redhat.com>
16281 Jakub Jelinek <jakub@redhat.com>
16282 Diego Novillo <dnovillo@redhat.com>
16284 * doc/invoke.texi: Document -fopenmp.
16285 * tree-dump.h (debug_function): Declare.
16286 * hooks.c (hook_bool_tree_bool_false): New function.
16287 (hook_tree_tree_null): Remove.
16288 (hook_tree_tree_tree_null): New.
16289 * hooks.h: Update to match.
16290 * tree-pretty-print.c (debug_tree_chain): New.
16291 (print_generic_expr): Handle TDF_CHAIN.
16292 (dump_generic_node): Handle BLOCK.
16293 Do not abort with incomplete SWITCH_EXPRs.
16294 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16295 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16296 print space after directive name.
16297 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16298 Handle OMP_MASTER and OMP_ORDERED.
16299 Handle printing of OMP_BODY just in one place, goto
16300 dump_omp_body in the rest of OMP_* nodes that have
16302 Don't handle clause nodes here. Update omp statements to
16303 use dump_omp_clauses.
16304 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16305 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16306 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16307 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16308 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16309 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16310 Adjust output for GOMP_PARALLEL.
16311 (dump_omp_clauses): New.
16312 (print_declaration): Dump DECL_VALUE_EXPR.
16313 (op_symbol_1): Split out of op_symbol.
16314 (dumping_stmts): Remove. Update all users.
16315 * cgraph.c (cgraph_analyze_queue): New.
16316 (cgraph_add_new_function): New.
16317 * cgraph.h (cgraph_analyze_queue): Declare.
16318 (cgraph_add_new_function): Declare.
16319 (cgraph_lower_function): Remove.
16320 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16321 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16322 and TYPE_P nodes in its default clause.
16323 (empty_body_p): New.
16324 (tree_range_check_failed): New.
16325 (build5_stat): New.
16326 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16327 OMP_CLAUSE_REDUCTION_MERGE,
16328 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16329 OMP_CLAUSE_PRIVATE_DEBUG,
16330 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16331 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16332 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16333 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16334 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16335 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16336 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16337 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16338 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16339 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16340 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16341 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16342 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16343 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16344 (TREE_RANGE_CHECK): New.
16345 (empty_body_p): Declare.
16346 (enum omp_clause_default_kind): New.
16347 (build_string_literal): Declare.
16348 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16349 (build5_stat, build5): Declare.
16350 * tree-pass.h (TDF_CHAIN): Define.
16351 * tree-pass.h (PROP_gimple_lomp): Define.
16352 (pass_lower_omp): Declare.
16353 * diagnostic.h (debug_tree_chain): Declare.
16354 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16356 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16357 * builtins.c (build_string_literal): Make extern.
16358 * gcc.c (include_spec_function): New.
16359 (static_spec_functions): Add it.
16360 (main): Move load of libgomp.spec ...
16361 (LINK_COMMAND_SPEC): ... here.
16362 (link_gomp_spec): New.
16363 (static_specs): Include it.
16364 (LINK_COMMAND_SPEC): Add link_gomp.
16365 (GOMP_SELF_SPECS): New.
16366 (driver_self_specs): Include it.
16367 (switch_matches): Don't mark inline.
16368 (main): Load libgomp.spec.
16369 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16370 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16371 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16372 * tree-gimple.h (enum omp_parallel): Declare.
16373 (determine_parallel_type): Declare.
16374 (omp_firstprivatize_variable): Declare.
16375 (omp_reduction_init): Declare.
16376 (diagnose_omp_structured_block_errors): Declare.
16377 (struct walk_stmt_info): Add want_return_expr.
16378 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16379 (find_omp_clause): Declare.
16380 (insert_field_into_struct): Declare.
16381 (struct walk_stmt_info): Move from tree-nested.c
16382 (walk_stmts): Declare.
16383 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16385 * cgraphunit.c (cgraph_lower_function): Make static.
16386 (cgraph_finalize_pending_functions): New.
16387 (cgraph_finalize_function): Call it.
16388 (cgraph_finalize_compilation_unit): Likewise.
16389 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16390 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16391 (BT_FN_UINT_UINT): New.
16392 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16393 DEF_FUNCTION_TYPE_VAR_4): Document.
16394 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16395 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16396 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16397 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16398 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16399 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16400 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16401 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16402 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16403 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16404 into separate files.
16405 (DEF_GOMP_BUILTIN): New.
16406 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16407 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16408 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16409 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16410 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16411 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16412 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16413 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16414 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16415 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16416 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16417 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16418 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16419 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16420 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16421 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16422 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16423 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16424 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16425 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16426 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16427 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16428 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16429 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16430 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16431 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16432 * sync-builtins.def: New file, moved from builtins.def.
16433 * omp-builtins.def: New file, moved from builtins.def.
16434 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16435 * gimple-low.c (lower_function_body): Clear data.
16436 (lower_stmt): Do not handle COMPOUND_EXPR.
16437 Remove call to print_node_brief.
16438 * c-tree.h (c_finish_omp_clauses): New prototype.
16439 (C_DECL_THREADPRIVATE_P): Define.
16440 (lookup_name_no_remap, c_omp_remap_private): Remove
16441 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16442 (check_for_loop_decls): Update decl.
16443 (lookup_name_no_remap, c_omp_remap_private): Declare.
16444 (build_indirect_ref, build_modify_expr, pushdecl,
16445 pushdecl_top_level): Move to c-common.h.
16446 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16447 before the switch, but just in the 2 places that need it.
16448 * c-decl.c (diagnose_mismatched_decls): Do not check for
16449 mismatched thread-local attributes when OLDDECL is marked
16450 threadprivate and NEWDECL has no thread-local attributes.
16451 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16452 (c_gimple_diagnostics_recursively): Rename from
16453 c_warn_unused_result_recursively. Invoke
16454 diagnose_omp_structured_block_errors.
16455 (check_for_loop_decls): Return a singular decl found.
16456 * langhooks.c (lhd_omp_predetermined_sharing): Return
16457 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16458 (lhd_omp_firstprivatize_type_sizes): New.
16459 (lhd_omp_assignment): New.
16460 (lhd_omp_predetermined_sharing): New.
16461 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16462 (struct lang_hooks_for_types): Add
16463 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16464 omp_predetermined_sharing, omp_disregard_value_expr,
16465 omp_private_debug_clause, omp_clause_default_ctor,
16466 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16467 (c_finish_omp_clauses): New.
16468 (c_finish_bc_stmt): Diagnose break within omp for.
16469 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16470 (build_unary_op): Return error_mark after reporting
16472 (build_modify_expr): Likewise.
16473 * gimplify.c: Include optabs.h and pointer-set.h.
16474 (enum gimplify_omp_var_data): Declare.
16475 (struct gimplify_omp_ctx): Declare.
16476 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16478 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16479 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16480 (splay_tree_compare_decl_uid): New.
16481 (new_omp_context): New.
16482 (delete_omp_context): New.
16483 (gimple_add_tmp_var): Call omp_add_variable.
16484 (gimplify_bind_expr): Likewise.
16485 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16486 true, disregard DECL_VALUE_EXPR on the decl if any.
16487 (gimplify_expr_in_ctx): New.
16488 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16489 omp_add_variable, omp_notice_variable, omp_is_private
16490 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16491 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16492 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16493 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16494 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16495 gimplify_omp_atomic): New.
16496 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16497 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16498 OMP_CRITICAL and OMP_ATOMIC.
16499 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16500 * c-pragma.h (enum pragma_kind): Add
16501 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16502 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16503 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16504 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16505 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16506 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16507 PRAGMA_OMP_THREADPRIVATE.
16508 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16509 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16510 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16511 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16512 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16513 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16514 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16515 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16516 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16517 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16518 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16519 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16520 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16522 (struct nesting_info): Add field_map,
16523 suppress_expansion, debug_var_chain.
16524 (create_nesting_tree): Initialize them.
16525 (lookup_field_for_decl): Use field_map.
16526 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16527 (convert_local_omp_clauses): New.
16528 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16529 (walk_body): Split out of walk_function.
16530 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16531 (convert_nonlocal_reference): Handle omp statements.
16532 (convert_local_reference): Likewise.
16533 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16534 (unnest_nesting_tree): New.
16535 (lower_nested_functions): Call it.
16536 (insert_field_into_struct): Make extern.
16537 (struct walk_stmt_info): Move to tree-gimple.h.
16538 (walk_stmts): Make extern.
16539 * omp-builtins.def: New file.
16540 * tree-iterator.c (expr_only): Clarify comment.
16541 * c-common.h (pushdecl_top_level, pushdecl,
16542 build_modify_expr, build_indirect_ref,
16543 c_finish_omp_master, c_finish_omp_critical,
16544 c_finish_omp_ordered, c_finish_omp_barrier,
16545 c_finish_omp_atomic, c_finish_omp_flush,
16546 c_finish_omp_for, c_split_parallel_clauses,
16547 omp_clause_default_kind, c_omp_sharing_predetermined,
16548 c_omp_remap_decl): Declare.
16549 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16550 (OBJS-common): Add omp-low.o.
16551 (c-omp.o, omp-low.o): Add.
16552 (gimplify.o): Add dependency on $(OPTABS_H).
16553 (GTFILES): Add omp-low.c.
16554 (gt-stringpool.h): Add.
16555 * tree-cfg.c (set_bb_for_stmt): Do not update the
16556 block-to-labels map if we are currently expanding to RTL.
16557 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16559 Handle IDENTIFIER_NODE.
16560 (tree_verify_flow_info): Do not ICE when emitting error
16561 messages about invalid labels.
16562 (dump_function_to_file): Reset CFUN before emitting the body
16564 (debug_function): New.
16565 * passes.c (init_optimization_passes): Schedule
16567 * langhooks-def.h (lhd_omp_predetermined_sharing,
16568 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16570 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16571 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16572 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16573 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16574 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16575 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16576 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16577 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16578 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16579 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16580 (LANG_HOOK_DECLS): Use them.
16582 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16583 Richard Henderson <rth@redhat.com>
16584 Jakub Jelinek <jakub@redhat.com>
16585 Diego Novillo <dnovillo@redhat.com>
16587 * c-parser.c (pragma_omp_clause): Define.
16588 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16589 (c_parser_compound_statement): Likewise.
16590 (c_parser_statement): Likewise.
16591 (c_parser_pragma): Handle omp pragmas.
16592 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16593 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16594 (c_parser_omp_clause_name, check_no_duplicate_clause,
16595 c_parser_omp_variable_list,
16596 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16597 c_parser_omp_clause_copyprivate,
16598 c_parser_omp_clause_default,
16599 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16600 c_parser_omp_clause_lastprivate,
16601 c_parser_omp_clause_nowait,
16602 c_parser_omp_clause_num_threads,
16603 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16604 c_parser_omp_clause_reduction,
16605 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16606 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16607 c_parser_omp_atomic, c_parser_omp_barrier,
16608 c_parser_omp_critical, c_parser_omp_flush,
16609 c_parser_omp_for_loop, c_parser_omp_for,
16610 c_parser_omp_master, c_parser_omp_ordered,
16611 c_parser_omp_sections_scope, c_parser_omp_sections,
16612 c_parser_omp_parallel, c_parser_omp_single,
16613 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16614 * c-pragma.c (init_pragma): Do omp pragma registration here.
16615 * c.opt (fopenmp): New flag.
16617 2006-01-18 Eric Christopher <echristo@apple.com>
16619 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16620 * config/darwin.h (GOMP_SELF_SPECS): Define.
16622 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16624 * rtl.h: Remove the prototype for reg_alloc.
16626 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16629 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16630 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16631 sjlj and dwarf2 exception handling.
16632 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16633 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16634 * pa/pa.c (function_value): Treat complex and vector types as
16636 (function_arg): Likewise. Only pass scalar floats in the floating
16637 point argument registers.
16638 * pa/t-slibgcc-dwarf-ver: New file.
16639 * pa/t-slibgcc-sjlj-ver: New file.
16640 * pa/t-slibgcc-elf-ver: Delete file.
16642 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16644 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16645 unlikely_test_section_p test.
16647 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16649 * mode-switching.c (optimize_mode_switching): Make it static.
16650 * basic-block.h: Remove the prototype for
16651 optimize_mode_switching.
16653 * modulo-sched.c (sms_schedule): Make it static.
16654 * rtl.h: Remove the prototype for sms_schedule.
16656 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16657 * rtl.h: Remove the prototype for gcse_after_reload_main.
16659 * reg-stack.c (reg_to_stack): Make it static.
16660 * rtl.h: Remove the prototype for reg_to_stack.
16662 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16664 * rtl.h: Remove the prototypes for regrename_optimize and
16665 copyprop_hardreg_forward.
16667 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16669 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16670 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16671 Test against the appropriate null constant for the mode.
16672 If 'fixup_overlap' is true, swap the operands if they overlap.
16673 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16674 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16675 alpha_split_tmode_pair and adjust for above change.
16676 * config/alpha/alpha.md (movtf_internal): Adjust call to
16677 alpha_split_tfmode_pair and rely on it to swap the operands.
16678 (movti_internal): New insn and post-reload splitter.
16679 (movti): New expander.
16681 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16683 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16686 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16688 * rtlanal.c (global_reg_mentioned_p_1,
16689 global_reg_mentioned_p): Remove.
16690 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16692 * flow.c (initialize_uninitialized_subregs): Make it static.
16693 * rtl.h: Remove the prototype for
16694 initialize_uninitialized_subregs.
16696 * function.c (instantiate_virtual_regs): Make it static.
16697 * function.h: Remove the prototype for
16698 instantiate_virtual_regs.
16700 * regmove.c (regmove_optimize, combine_stack_adjustments):
16702 * rtl.h: Remove the prototypes for regmove_optimize and
16703 combine_stack_adjustments.
16705 2006-01-17 Roger Sayle <roger@eyesopen.com>
16707 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16708 (size_cost): Encode costs in bytes so that a reg-reg addition is
16709 equivalent to COSTS_N_INSNS(1).
16710 (override_options): Use the size_cost.branch_cost as the default
16711 ix86_branch_cost when optimizing for size.
16713 2006-01-18 Ben Elliston <bje@au.ibm.com>
16715 * Makefile.in (D32PBIT_FUNCS): New.
16716 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16717 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16718 D64PBIT_FUNCS and D128PBIT_FUNCS.
16719 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16720 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16722 (decnumber_dep): Define.
16723 * doc/libgcc.texi (Decimal float library routines): New node.
16724 * config/dfp-bit.h, config/dfp-bit.c: New files.
16726 2006-01-18 Ben Elliston <bje@au.ibm.com>
16728 * expr.c (emit_move_change_mode): Always adjust addresses, not
16729 just during reload. Copy replacements only during reload.
16730 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16731 emit_move_via_integer.
16733 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16735 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16736 instead of $(srcdir) and ${srcdir}.
16738 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16741 PR middle-end/11135
16742 * arm.h (struct machine_function): Add pic_reg.
16743 * arm.c (arm_pic_register): Make unsigned.
16744 (arm_override_options): Only set arm_pic_register if
16745 TARGET_SINGLE_PIC_BASE.
16746 (use_return_insn): Only test for a pic register if it is fixed.
16747 (arm_compute_save_reg0_reg12_mask): Likewise.
16748 (thumb_compute_save_reg_mask): Likewise.
16749 (legitimate_pic_operand): Factor out some known invariants.
16750 (legitimize_pic_address): If we don't have a fixed pic register,
16751 then set up a pseudo in the function entry sequence. Handle the
16752 pic base being in a pseudo.
16753 (arm_load_pic_register): Handle the pic register being in a pseudo.
16754 (arm_expand_prologue): Only set up the pic register if it is fixed.
16755 (thumb_expand_prologue): Likewise.
16756 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16757 (pic_load_addr_based_insn): Likewise.
16758 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16761 2006-01-18 Ben Elliston <bje@au.ibm.com>
16763 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16764 decimal float modes for all floating point registers.
16766 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16767 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16769 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16772 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16773 even when the pointer is not NULL.
16775 2006-01-16 Ian Lance Taylor <ian@airs.com>
16777 * common.opt (ftoplevel-reorder): New option.
16778 * cgraph.c (cgraph_asm_nodes): New global variable.
16779 (cgraph_asm_last_node): New static variable.
16780 (cgraph_order): New global variable.
16781 (cgraph_create_node): Set new order field.
16782 (cgraph_varpool_node): Likewise.
16783 (decide_is_variable_needed): Return true if not
16784 flag_toplevel_reorder.
16785 (cgraph_add_asm_node): New function.
16786 * cgraph.h (struct cgraph_node): Add order field.
16787 (struct cgraph_varpool_node): Add order field.
16788 (struct cgraph_asm_node): Define.
16789 (cgraph_asm_nodes, cgraph_order): Declare.
16790 (cgraph_add_asm_node): Declare.
16791 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16793 (cgraph_varpool_assemble_pending_decls): Call it.
16794 (cgraph_output_pending_asms): New static function.
16795 (cgraph_finalize_compilation_unit): Call it.
16796 (struct cgraph_order_sort): Define.
16797 (cgraph_output_in_order): New static function.
16798 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16799 !flag_toplevel_reorder case.
16800 * c-parser.c: Include "cgraph.h".
16801 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16803 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16804 than -fno-unit-at-a-time.
16805 * doc/invoke.texi (Option Summary): Mention
16806 -fno-toplevel-reorder.
16807 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16808 -funit-at-a-time documentation.
16810 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16811 Kazu Hirata <kazu@codesourcery.com>
16813 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16815 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16817 * Makefile.in (FUNCTION_H): New. Use it instead of
16818 function.h throughout the file.
16819 * function.h: Include tree.h.
16821 2006-01-17 Ben Elliston <bje@au.ibm.com>
16823 * recog.c: Separate some functions with whitespace.
16825 2006-01-16 Richard Henderson <rth@redhat.com>
16827 Merge from gomp branch:
16828 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16829 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16830 and rename from struct inline_data. Rename callee* to dst*;
16831 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16832 transform_new_cfg, transform_return_to_modify, and
16833 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16835 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16836 (copy_decl_for_dup): Remove.
16837 * tree-inline.c (struct inline_data): Move to header.
16838 (insert_decl_map): Export.
16839 (remap_decl): Update for member name changes. Use copy_decl hook.
16840 Allow for replacement to be a non-decl. Remove dead code.
16841 (remap_type_1): Check for existing mapping.
16842 (remap_type): Export.
16843 (remap_decls): Update for member name changes.
16844 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16845 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16846 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16847 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16848 (tree_function_versioning, build_duplicate_type): Likewise.
16849 (copy_body_r): Likewise. Export.
16850 (copy_decl_for_dup): Split into ...
16851 (copy_decl_for_dup_finish, copy_decl_to_var,
16852 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16853 (replace_ref_tree, inlining_p): Remove.
16855 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16857 * ifcvt.c (if_convert): Make it static.
16858 * rtl.h: Remove the prototype for if_convert.
16860 * local-alloc.c (local_alloc): Make it static.
16861 * rtl.h: Remove the prototype for local_alloc.
16863 * loop.c (loop_optimize): Make it static.
16864 * cfgloop.h: Remove the prototype for loop_optimize.
16867 2006-01-16 DJ Delorie <dj@redhat.com>
16869 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16872 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16874 * pa.md: Disparage copies between general and floating-point registers
16875 in 32-bit move patterns.
16877 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16880 * Makefile.in (check-%): Depend on site.exp instead of
16881 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16884 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16886 * global.c (global_alloc): Make it static.
16887 * rtl.h: Remove the prototype for global_alloc.
16889 2006-01-16 Richard Guenther <rguenther@suse.de>
16891 * tree-ssa-alias.c (struct used_part): Add write_only field.
16892 (get_or_create_used_part_for): Initialize it to true.
16893 (create_overlap_variables_for): Don't create structure variables
16894 for structures that only are written to.
16895 (find_used_portions): Handle MODIFY_EXPR to track whether a
16896 structure is only written to.
16898 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16900 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16902 * basic-block.h: Remove the prototype for
16903 partition_hot_cold_basic_blocks.
16905 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16907 * cppspec.c (lang_specific_spec_functions): Remove.
16908 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16909 * gcc.h (lang_specific_spec_functions): Remove.
16910 * gccspec.c (lang_specific_spec_functions): Remove.
16912 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16914 * combine.c (record_value_for_reg): Invalidate registers
16916 (record_dead_and_set_regs_1): Likewise, by passing them to
16917 record_value_for_reg.
16918 (record_dead_and_set_regs): Invalidate stores made by a
16919 call. We do not combine across a call, but we still
16920 relied on equivalences.
16922 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16924 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16925 vrp_int_const_binop returning non-constant nodes.
16927 2006-01-16 Paul Brook <paul@codesourcery.com>
16929 * config/m68k/m68k.c (output_move_const_into_data_reg):
16930 Output correct mnemonic for mvz and mvs.
16932 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16934 * rtl-factoring.c: Add sequence abstraction algorithm.
16935 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16936 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16938 (block_has_preserve_label): New function.
16939 * common.opt: Register new pass.
16940 * Makefile.in: Ditto.
16942 * timevar.def: Ditto.
16943 * tree-pass.h: Ditto.
16944 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16945 * rtl.h (make_jump_insn_raw): Add forward decl.
16946 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16948 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16949 Roger Sayle <roger@eyesopen.com>
16951 * fold-const.c (fold_minmax): New static function.
16952 (fold_binary) <MIN_EXPR>: Call it.
16953 <MAX_EXPR>: Likewise.
16954 * stor-layout.c (place_field): Use DECL_SIZE consistently
16955 in the computation of the new record size.
16957 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16959 * cse.c (cse_condition_code_reg): Make it static.
16960 * rtl.h: Remove the prototype for cse_condition_code_reg.
16962 * combine.c (combine_instructions): Make it static.
16963 * rtl.h: Remove the prototype for combine_instructions.
16965 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16968 * tree.c (get_file_function_name_long): Concatenate the first global
16969 object name with a string derived from the input filename of the object
16972 2006-01-16 Ben Elliston <bje@au.ibm.com>
16974 * config/i386/winnt-stubs.c: Update FSF address.
16975 * config/xtensa/ieee754-df.S: Ditto.
16976 * config/xtensa/ieee754-sf.S: Ditto.
16978 2006-01-14 Ian Lance Taylor <ian@airs.com>
16980 * ifcvt.c (noce_init_if_info): New static function, broken out of
16981 noce_process_if_block.
16982 (noce_process_if_block): Call noce_init_if_info.
16983 (check_cond_move_block): New static function.
16984 (cond_move_process_if_block): New static function.
16985 (process_if_block): Call cond_move_process_if_block.
16987 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16989 * cselib.c (hash_table): Rename to cselib_hash_table.
16990 (cselib_clear_table, discard_useless_values,
16991 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16992 cselib_init, cselib_finish): Adjust uses of hash_table.
16994 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16996 PR tree-optimization/25485
16997 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16998 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16999 is known to be false and true, respectively.
17001 2006-01-14 Richard Guenther <rguenther@suse.de>
17003 PR tree-optimization/22548
17004 PR tree-optimization/22555
17005 PR tree-optimization/22501
17006 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17007 * params.def (salias-max-array-elements): New parameter.
17008 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17009 * doc/invoke.texi (salias-max-array-elements): Document.
17010 * tree-flow-inline.h (var_can_have_subvars): We also handle
17012 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17014 * tree-ssa-structalias.c (params.h): Include.
17015 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17016 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17017 (get_constraint_for): For ADDR_EXPR operating on something
17018 containing an ARRAY_REF, add all subvars to the solution.
17019 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17020 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17021 for creating MUST_DEFs.
17022 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17024 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17026 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17028 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17029 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17030 number_of_iterations_le): New functions.
17031 (number_of_iterations_special): Removed.
17032 (number_of_iterations_exit): Do not use number_of_iterations_special.
17033 * tree.c (unsigned_type_for): Always return integer type.
17035 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17036 Richard Guenther <rguenther@suse.de>
17038 PR rtl-optimization/24257
17039 * gcse.c (find_moveable_store): Only consider a store movable
17040 when the SET_SRC of the insn can be assigned to a register.
17042 2006-01-14 Ian Lance Taylor <ian@airs.com>
17044 * tree.c (tree_not_class_check_failed): New function.
17045 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17046 (tree_not_class_check_failed): Declare.
17048 2006-01-13 Ian Lance Taylor <ian@airs.com>
17050 * reload1.c (do_output_reload): Add assertion rejecting a
17053 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17055 * combine.c (struct reg_stat): Add new fields truncation_label and
17057 (record_value_for_reg): Reset truncated_to_mode.
17058 (record_truncated_value): New function.
17059 (check_promoted_subreg): Call it. Rename to check_conversions.
17060 (combine_instructions): Rename check_promoted_subreg to
17062 (reg_truncated_to_mode): New function.
17063 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17064 (gen_lowpart_or_truncate): New function.
17065 (force_to_mode): Use it instead of gen_lowpart.
17067 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17069 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17070 VAR is a tag, not its type tag.
17072 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17074 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17075 alternatives to match style of other entries.
17076 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17078 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17080 PR tree-optimization/25771
17081 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17084 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17087 * tree-inline.c (declare_return_variable): If the return variable
17088 was marked as a non gimple complex, set the return slot variable
17089 to be a non gimple comple variable.
17091 2006-01-13 Richard Guenther <rguenther@suse.de>
17093 * builtins.c (expand_builtin_sincos): New function.
17094 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17096 (expand_builtin): Expand sincos using expand_builtin_sincos.
17098 2006-01-12 DJ Delorie <dj@redhat.com>
17100 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17101 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17102 so that constant shifts can be split.
17103 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17104 (m32c_valid_pointer_mode): Make static.
17105 (shift_gen_func_for): New.
17106 (m32c_prepare_shift): Use it. Split large const shifts into
17108 * config/m32c/predicates.md (shiftcount_operand): Allow more
17110 (longshiftcount_operand): New.
17111 * doc/md.texi (Machine Constraints): Document In6.
17113 2006-01-13 Ben Elliston <bje@au.ibm.com>
17115 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17116 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17119 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17121 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17122 to try to avoid clobbering pieces of structures when we know
17123 something about the whole structure.
17124 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17126 2006-01-13 Ben Elliston <bje@au.ibm.com>
17128 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17129 return in memory, as this is no limitation is no longer present.
17131 2006-01-12 DJ Delorie <dj@redhat.com>
17133 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17134 mova with fb, and for fb+0 -> An.
17136 * config/m32c/mov.md (peephole2): Fix enabling logic.
17138 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17139 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17140 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17141 FINI_ARRAY_SECTION_ASM_OP): Define.
17143 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17145 (m32c_legitimize_reload_address): New logic to reload FB to An.
17146 (m32c_output_reg_push): Add newline.
17147 (m32c_output_reg_pop): Likewise.
17149 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17151 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17153 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17155 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17157 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17159 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17162 2006-01-11 Ben Elliston <bje@au.ibm.com>
17164 * rtlanal.c (find_reg_note): Assert insn is not null.
17166 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17168 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17171 2006-01-11 Jeff Law <law@redhat.com>
17173 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17175 (mark_threaded_blocks, register_jump_thread): New functions.
17176 (thread_through_all_blocks): Remove unwanted argument. No
17177 longer rely on e->aux to communicate thread target info.
17178 Call mark_threaded_blocks. Release the threaded_blocks
17179 bitmap and threaded_edges vector when complete.
17180 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17181 (threaded_blocks): Remove.
17182 (tree_ssa_dominator_optimize): Remove initialization and
17183 finalization of threaded_blocks. Simplify call to
17184 thread_through_all_blocks.
17185 (thread_across_edge): Call register_jump_thread rather than
17186 storing thread information into e->aux.
17187 (free_all_edge_infos): Simplify now that e->aux is no longer
17188 used to communicate with thread_through_all_blocks.
17189 * tree-flow.h (thread_through_all_blocks): Update prototype.
17190 (register_jump_thread): Prototype.
17192 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17194 * df-core.c (df_compact_blocks, df_bb_replace): Use
17195 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17197 2006-01-11 Richard Guenther <rguenther@suse.de>
17199 PR tree-optimization/25734
17200 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17201 stop propagation after successful propagation to the LHS.
17203 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17205 * basic-block.h (control_flow_graph): Change the type of
17206 x_basic_block_info to VEC(basic_block,gc) *.
17207 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17209 (SET_BASIC_BLOCK): New.
17210 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17211 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17212 * cfgbuild.c (find_basic_blocks): Likewise.
17213 * cfglayout.c (fixup_reorder_chain): Likewise.
17214 * cfgrtl.c (create_basic_block_structure,
17215 rtl_create_basic_block): Likewise.
17216 * ifcvt.c (find_if_case_1): Likewise.
17217 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17220 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17222 * Makefile.in: Removed rotted odf.c entry.
17224 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17227 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17228 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17229 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17230 output pattern modifier, not %e.
17231 * config/cris/cris.c (cris_op_str): Update comment about pattern
17233 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17234 before falling through into...
17235 <case 'E'>: Redefined from old 'e' case.
17237 2006-01-11 Jan Hubicka <jh@suse.cz>
17240 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17242 2006-01-11 Jan Hubicka <jh@suse.cz>
17244 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17245 * i386.c (x86_decompose_lea): Kill.
17246 (ix86_rtx_costs): Kill.
17248 2006-01-11 Jan Hubicka <jh@suse.cz>
17250 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17251 * cgraph.h (cgraph_node): Add inline_decl.
17252 (cgraph_insert_node_to_hashtable): Declare.
17253 (save_inline_function_body): Declare.
17254 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17256 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17257 (cgraph_function_versioning): Update call of tree_function_versioning.
17258 (save_inline_function_body): New function.
17259 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17260 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17261 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17262 (cgraph_default_inline_p): Likewise.
17263 (cgraph_decide_inlining_incrementally): Likewise.
17264 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17265 (copy_bb): Kill saving; do updating of clones.
17266 (copy_cfg_body): Kill saving.
17267 (initialize_inlined-parameters): Likewise.
17268 (expand_call_inline): Likewise.
17270 (tree_function_versioning): New parameter "update_clones".
17271 (inlining_p): Kill saving.
17272 * tree-inline.h (tree_function_versioning): Update prototype.
17273 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17276 2006-01-11 Ian Lance Taylor <ian@airs.com>
17278 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17279 Allow undoing set of machine mode.
17280 (do_SUBST): Use enums instead of is_int.
17281 (do_SUBST_MODE): New function.
17282 (SUBST_MODE): New macro.
17283 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17284 reg and trying to replace reg_regno_rtx with a new register.
17285 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17286 (simplify_set): Use SUBST_MODE.
17287 (distribute_notes): Remove code that tried to update reg notes
17288 for regno_reg_rtx changes.
17290 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17292 PR tree-optimization/23109
17293 PR tree-optimization/23948
17294 PR tree-optimization/24123
17296 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17297 * tree-cfg.c (single_noncomplex_succ): New.
17298 * tree-flow.h (single_noncomplex_succ): Declare it.
17299 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17300 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17301 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17302 insert_bb, register_division_in, insert_reciprocals,
17303 replace_reciprocal, free_bb): New.
17304 (execute_cse_reciprocals_1): Rewritten.
17305 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17306 Do not commit any edge insertion. Always compute dominators and
17307 create the allocation pool.
17308 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17309 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17310 * targhooks.c (default_min_divistions_for_recip_mul): New.
17311 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17312 * passes.c (init_optimization_passes): Run recip after tree loop
17314 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17316 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17317 Kenneth Zadeck <zadeck@naturalbridge.com>
17319 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17320 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17321 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17322 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17323 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17324 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17325 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17326 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17327 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17328 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17329 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17330 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17331 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17332 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17333 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17334 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17335 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17336 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17337 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17338 DF_SCAN_POST_ALLOC): New macros.
17339 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17340 df_free_bb_function, df_local_compute_function, df_init_function,
17341 df_dataflow_function, df_confluence_function_0,
17342 df_confluence_function_n, df_transfer_function,
17343 df_finalizer_function, df_free_function, df_dump_problem_function,
17344 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17345 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17346 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17347 df_urec_bb_info, ) New types.
17348 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17350 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17351 df_analyze_simple_change_some_blocks,
17352 df_analyze_simple_change_one_block, df_compact_blocks,
17353 df_bb_replace, df_bb_regno_last_use_find,
17354 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17355 df_insn_regno_def_p, df_find_def, df_find_use,
17356 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17357 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17358 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17359 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17360 debug_df_chain, df_get_dependent_problem, df_chain_create,
17361 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17362 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17363 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17364 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17365 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17366 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17367 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17368 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17369 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17370 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17371 df_reorganize_refs, df_set_state, df_hard_reg_init,
17372 df_read_modify_subreg_p) New public functions.
17373 * df-core.c: The core dataflow solver and glue routines for rtl
17375 (df_init, df_add_problem, df_set_blocks, df_finish,
17376 df_hybrid_search_forward, df_hybrid_search_backward,
17377 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17378 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17379 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17380 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17381 df_reg_defined, df_find_use, df_reg_used, df_dump,
17382 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17383 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17384 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17385 debug_df_useno, reset_df_after_reload): New functions.
17386 * df-scan.c: The scanning fuctions, once in df.c, completely
17387 rewritten so that they now fully model the functionality of
17388 register usage at the backend.
17389 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17390 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17391 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17392 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17393 df_get_artificial_defs, df_get_artificial_uses,
17394 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17395 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17396 df_refs_delete, df_reorganize_refs, df_set_state,
17397 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17398 df_def_record_1, df_defs_record, df_uses_record,
17399 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17400 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17401 df_record_exit_block_uses, df_hard_reg_init): New functions.
17403 * df-problems.c: Seven concrete dataflow problems that use the
17404 scanning in df-scan.c and are solved by the engine in df-core.c.
17405 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17406 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17407 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17408 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17409 df_ru_free_bb_info, df_ru_alloc,
17410 df_ru_bb_local_compute_process_def,
17411 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17412 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17413 df_ru_transfer_function, df_ru_free, df_ru_dump,
17414 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17415 df_rd_free_bb_info, df_rd_alloc,
17416 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17417 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17418 df_rd_transfer_function, df_rd_free, df_rd_dump,
17419 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17420 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17421 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17422 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17423 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17424 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17425 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17426 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17427 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17428 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17429 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17430 df_urec_mark_reg_use_for_earlyclobber,
17431 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17432 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17433 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17434 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17435 df_chain_create_bb_process_use, df_chain_create_bb,
17436 df_chain_finalize, df_chain_free, df_chains_dump,
17437 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17438 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17439 df_reg_lifetime): New functions.
17440 * df.c: Deleted file.
17441 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17442 consistent with new df api.
17443 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17444 rest_of_handle_sms): Ditto.
17445 * web.c (unionfind_union, union_defs, entry_register, web_main):
17447 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17448 invariant_expr_equal_p, find_defs, check_dependencies,
17449 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17450 free_inv_motion_data, move_loop_invariants): Ditto.
17451 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17452 Update dependencies.
17453 (odf.c): Added defective entry that was deleted later in day.
17454 * sched-deps.c (sched_analyze_1): Ditto.
17456 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17458 * tree-ssa-operands.c (get_expr_operands): Record addressable
17459 variables directly. Do not call add_stmt_operands for CONST_DECLs
17461 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17462 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17464 2006-01-11 Ben Elliston <bje@au.ibm.com>
17466 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17467 function returns true in the positive case.
17469 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17472 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17473 for SI, DI, SF and DF modes. Add alternatives to copy between
17474 general and floating point registers to the 32-bit patterns.
17475 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17476 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17477 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17478 generating 64-bit code.
17479 * config/pa/pa.c (output_move_double): Handle copies between general
17480 and floating registers.
17482 2006-01-10 Stuart Hastings <stuart@apple.com>
17484 * config/i386/i386.md (set_got): Update.
17485 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17486 (builtin_setjmp_receiver): Mach-O support.
17487 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17488 (GOT_SYMBOL_NAME): Define.
17489 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17490 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17491 * config/i386/i386.c (override_options): Revise for Darwin.
17492 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17493 support. (darwin_x86_file_end): New. (output_set_got): Add label
17494 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17495 * config/i386/i386-protos.h (output_set_got): Likewise.
17496 * config/darwin.c (machopic_legitimize_pic_address): Update
17499 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17501 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17502 when MODE isn't BLKmode.
17504 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17506 PR rtl-optimization/25367
17507 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17509 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17512 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17513 for a negative bound.
17515 2006-01-10 Richard Guenther <rguenther@suse.de>
17517 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17518 Never override with anything constraint.
17520 2006-01-10 Jan Beulich <jbeulich@novell.com>
17522 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17523 256 bits when optimize_size.
17525 2006-01-10 Jan Beulich <jbeulich@novell.com>
17527 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17529 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17530 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17533 2006-01-10 Ben Elliston <bje@au.ibm.com>
17535 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17537 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17538 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17539 (USE_FP_FOR_ARG): Reject decimal float modes.
17540 (function_arg_advance): Likewise.
17541 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17542 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17543 point types in AltiVec vectors.
17544 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17545 (rs6000_libcall_value): Likewise.
17547 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17549 * config/xtensa/ieee754-df.S: New file.
17550 * config/xtensa/ieee754-sf.S: New file.
17551 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17552 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17553 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17555 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17557 * config/sh/predicates.md (binary_float_operator,
17558 binary_logical_operator, commutative_float_operator,
17559 equality_comparison_operator, greater_comparison_operator,
17560 less_comparison_operator, logical_operator,
17561 noncommutative_float_operator, shift_operator,
17562 symbol_ref_operand, unary_float_operator): Remove redundant
17565 2006-01-09 Jeff Law <law@redhat.com>
17567 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17568 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17569 now unused arguments. Callers updated.
17570 (eliminate_redundant_computations): Remove now unused arguments,
17572 (local_fold): Remove, no longer used.
17573 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17575 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17576 (simplify_cond): New function.
17577 (forward_propagate_into_cond): Call simplify_cond.
17579 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17581 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17582 (*vec_extractv2di_1_sse): New.
17584 2006-01-09 Ben Elliston <bje@au.ibm.com>
17586 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17588 2006-01-08 Richard Guenther <rguenther@suse.de>
17590 * tree-ssa-structalias.c (get_constraint_for): Remove
17591 anyoffset argument.
17592 (get_constraint_for_component_ref): Likewise.
17593 (do_deref): Likewise.
17594 (get_constraint_for): Likewise.
17595 (do_structure_copy): Likewise.
17596 (handle_ptr_arith): Likewise.
17597 (find_func_aliases): Likewise. Remove unused need_anyoffset
17600 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17601 Kaz Kojima <kkojima@gcc.gnu.org>
17603 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17604 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17605 (EXTRA_CONSTRAINT_C16): Remove.
17606 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17607 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17608 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17609 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17610 constants of SHmedia. Handle nested constant expressions of
17612 (andcosts): Fix the costs for SHmedia constants.
17613 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17614 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17615 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17616 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17617 (movv4hi_i, movv2si_i): Likewise.
17618 (movsi_const): Adjust the second operand of ior so to match with
17619 the Csu constraint.
17620 (movdi_const, movdi_const_32bit): Likewise.
17621 (movdi_const_16bit+1): Don't sign-extend LOW.
17622 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17624 (*double_shori): Fix the split condition. Use GEN_INT instead
17625 of get_int_mode calls. Mask lower 16-bit of the argument of
17627 (sym2GOTPLT): Remove.
17628 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17630 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17631 instead of EXTRA_CONSTRAINT_C16.
17633 2006-01-07 Ian Lance Taylor <ian@airs.com>
17634 David Edelsohn <edelsohn@gnu.org>
17636 PR rtl-optimization/25662
17637 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17638 for constant operands instead of simplify_gen_binary.
17639 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17640 after trying simplify_binary_operation
17642 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17644 * tree.c (iterative_hash_expr): Hash decls based on UID.
17646 2006-01-06 Eric Christopher <echristo@apple.com>
17648 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17649 (TARGET_UNWIND_EMIT): Fix spelling.
17650 * target.h (gcc_target): Add except_table_label.
17651 * except.c (output_function_exception_table): Use.
17652 * varasm.c (default_emit_except_table_label): New.
17653 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17655 (asm_out): Add here.
17656 * output.h (default_emit_except_table_label): Prototype.
17657 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17658 * config/darwin.c (darwin_emit_except_table_label): Define.
17659 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17661 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17663 PR tree-optimization/18527
17664 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17665 number_of_iterations_special, number_of_iterations_exit):
17666 Move base and step of an iv to a single structure. Add
17667 no_overflow flag, and use it in # of iterations analysis.
17668 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17669 folded_casts argument.
17670 (simple_iv): Pass base and step in a structure. Set no_overflow
17672 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17673 Evaluate expensiveness of computing # of iterations instead of
17674 the final expression.
17675 * tree-scalar-evolution.h (affine_iv): New structure.
17676 (simple_iv): Declaration changed.
17677 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17678 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17679 find_givs_in_stmt): Changed due to simple_iv change.
17681 2006-01-06 Jeff Law <law@redhat.com>
17684 * tree-cfg.c (bsi_replace): Rename final argument from
17685 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17686 change (stmt -> orig_stmt).
17687 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17688 (bsi_remove): Add new argument. Remove EH information
17690 (verify_eh_throw_table_statements): New function.
17691 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17693 * tree-optimize.c (execute_free_cfg_annotations): Verify
17694 the EH throw statement table after removing annotations.
17695 * except.h (verify_eh_throw_table_statements): Prototype.
17696 * tree-flow.h (bsi_remove): Update prototype.
17697 * tree-vrp.c (remove_range_assertions): Add new argument to
17699 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17700 * tree-complex.c (expand_complex_div_wide): Likewise.
17701 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17702 * tree-tailcall.c (eliminate_tailcall): Likewise.
17703 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17704 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17705 * tree-nrv.c (tree_nrv): Likewise.
17706 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17707 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17708 (combine_blocks): Likewise.
17709 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17710 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17711 (cleanup_control_flow): Likewise.
17712 (remove_forwarder_block): Likewise.
17713 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17714 * tree-sra.c (sra_replace): Likewise.
17715 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17716 (forward_propagate_single_use_vars): Likewise.
17717 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17718 * tree-inline.c (expand_call_inline): Likewise.
17719 * tree-vect-transform.c (vect_transform_loop): Likewise.
17720 * tree-outof-ssa.c (rewrite_trees): Likewise.
17721 * tree-cfg.c (make_goto_expr_edges): Likewise.
17722 (cleanup_dead_labels): Likewise.
17723 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17724 (bsi_move_before, bsi_move_after): Likewise.
17725 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17726 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17728 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17731 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17733 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17734 on non gimple variables. Also add checks at the top for decls and
17736 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17738 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17739 and IMAGPART_EXPR for creating MUST_DEFs.
17740 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17741 and NAME_MEMORY_TAG separately from the DECLs.
17743 2006-01-06 Richard Guenther <rguenther@suse.de>
17745 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17746 annotation, if necessary.
17747 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17748 redundant calls to update_stmt.
17749 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17752 2006-01-05 Richard Henderson <rth@redhat.com>
17754 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17756 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17758 * c-typeck.c: Update copyright date.
17760 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17762 * c-typeck.c (build_c_cast): Always warn when casting
17763 from a pointer to an integer of different size, even if
17764 the node was constant.
17766 2006-01-05 Richard Guenther <rguenther@suse.de>
17768 PR tree-optimization/22555
17769 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17770 if one structure field is an array.
17771 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17772 operands even if we found a subvar, but ignore VOPs in this
17774 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17776 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17778 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17780 PR middle-end/24998
17781 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17783 2006-01-05 Richard Guenther <rguenther@suse.de>
17784 Diego Novillo <dnovillo@redhat.com>
17786 * tree-pass.h (TODO_remove_unused_locals): Define.
17787 * gimple-low.c (expand_var_p, remove_useless_vars,
17788 pass_remove_useless_vars): Remove. Update all users.
17789 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17790 (remove_unused_locals): New function.
17791 * tree-flow.h (remove_unused_locals): Declare.
17792 * passes.c (execute_todo): Call remove_unused_locals if
17793 TODO_remove_unused_locals is set.
17794 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17795 * tree-ssa-dce.c (pass_dce): Likewise.
17796 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17798 2006-01-05 Richard Guenther <rguenther@suse.de>
17800 * tree-flow.h (struct fieldoff): Decompose field to
17801 type, size and decl.
17802 * tree-ssa-alias.c (create_sft): Take type as parameter.
17803 (create_overlap_variables_for): Store type, size and decl
17804 in the fieldoff structure.
17805 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17806 of struct fieldoff.
17807 (push_fields_onto_fieldstack): Likewise.
17808 (create_variable_info_for): Likewise. Use offset for the
17809 SFT name if the decl is not available.
17811 2006-01-04 Paul Brook <paul@codesourcery.com>
17813 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17815 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17817 * lambda-code.c (can_put_in_inner_loop): Relax
17819 (can_put_after_inner_loop): New function.
17820 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17821 (perfect_nestify): Change to make copies and modify uses.
17823 2006-01-04 Richard Henderson <rth@redhat.com>
17825 Merge from gomp branch:
17826 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17827 via integer constant.
17828 (pragma_lex): Remove.
17829 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17830 rather than parsing it.
17831 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17832 handle_pragma_extern_prefix): Add %< %> quotes.
17833 (registered_pragmas): New.
17834 (c_register_pragma_1): New.
17835 (c_register_pragma): Use it.
17836 (c_register_pragma_with_expansion): Likewise.
17837 (c_invoke_pragma_handler): New.
17838 (init_pragma): Use cpp_register_deferred_pragma directly for
17840 * c-pragma.h (enum pragma_kind): New.
17841 (pragma_handler): New.
17842 (c_invoke_pragma_handler): Declare.
17843 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17845 * c-common.h (c_common_pch_pragma): Update decl.
17846 * Makefile.in (c-parser.o): Update dependencies.
17847 (GTFILES): Add c-pragma.h.
17848 * c-parser.c (struct c_token): Add pragma_kind.
17849 (struct c_parser): Add in_pragma.
17850 (c_lex_one_token): Always initialize keyword and pragma_kind.
17851 Extract data for CPP_PRAGMA.
17852 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17853 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17854 Don't allow CPP_PRAGMA_EOL if in_pragma.
17855 (c_parser_consume_pragma): New.
17856 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17857 (c_parser_skip_to_end_of_parameter): Likewise.
17858 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17859 (c_parser_skip_to_pragma_eol): New.
17860 (c_parser_external_declaration): Handle CPP_PRAGMA.
17861 (c_parser_compound_statement_nostart): Likewise.
17862 (c_parser_statement_after_labels): Likewise.
17863 (c_parser_pragma): New.
17864 (pragma_lex): Likewise.
17865 (c_parser_pragma_pch_preprocess): New.
17866 (c_parser_new): Merge into ...
17867 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17869 2006-01-04 Jeff Law <law@redhat.com>
17872 * tree-cfg.c (bsi_replace): Remove the original statement
17873 from the EH throw statement table.
17875 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17877 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17878 make the prototype extern "C" and add throw ().
17881 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17882 and pos non-negative and pos + len <= 32.
17883 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17884 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17885 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17888 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17889 as well as sizes not multiple of component size.
17892 * function.c (instantiate_expr): New function.
17893 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17894 walk its DECL_VALUE_EXPR with instantiate_expr.
17896 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17897 DW_OP_deref{,_size} if address isn't going to be added.
17899 2006-01-04 Ben Elliston <bje@au.ibm.com>
17901 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17902 * config/fp-bit.c: Likewise.
17904 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17906 * dominance.c: Add comment about why we use DFS numbering
17909 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17910 Richard Henderson <rth@redhat.com>
17912 Merge from gomp-branch:
17913 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17914 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17916 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17918 PR rtl-optimization/25578
17919 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17920 pass a parameter to simplify_shift_const if changing ASHIFTRT
17923 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17925 * builtins.c (get_builtin_sync_mem): New function.
17926 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17927 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17928 Call get_builtin_sync_mem to generate mem rtx.
17930 2006-01-03 Richard Guenther <rguenther@suse.de>
17933 * stmt.c (add_case_node): Make sure to clear overflow flags
17936 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17938 Merge from gomp-branch.
17939 * config/sparc/sync.md: New file.
17940 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17941 UNSPECV_LDSTUB): New constants.
17942 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17943 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17944 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17947 2006-01-03 Roger Sayle <roger@eyesopen.com>
17949 * combine.c (reg_subword_p): New predicate to test whether the
17950 destination of a set refers to a subword/piece of a register.
17951 (try_combine): Generalize the code to merge the setting of a
17952 pseudo to a constant followed by a set of a subword of that
17953 register to a constant.
17955 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17957 * basic-block.h (control_flow_graph): Change the type of
17958 x_label_to_block_map to VEC(basic_block,gc) *.
17959 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17960 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17962 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17963 VEC(basic_block,heap) *.
17964 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17965 ssa_prop_fini): Adjust the uses of cfg_blocks.
17967 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17969 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17971 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17972 hashing trees instead of a pointer hash.
17973 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17974 compare for MEM_EXPR.
17976 PR rtl-optimization/25130
17977 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17978 when comparing MEMs for GCSE
17980 2006-01-03 Ben Elliston <bje@au.ibm.com>
17982 * targhooks.h (default_decimal_float_supported_p): Declare.
17983 * targhooks.c (default_decimal_float_supported_p): Define.
17984 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17985 `default_decimal_float_supported_p'.
17986 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17988 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17990 * combine.c (apply_distributive_law <SUBREG>): Check
17991 TRULY_NOOP_TRUNCATION.
17993 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17995 * dwarf2out.c (have_switched_text_section): Delete.
17996 (have_multiple_function_sections): New.
17997 (have_location_lists): Make 'bool'.
17998 (add_AT_loc_list): Use 'true' not '1'.
17999 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18000 (output_loc_list): Use have_multiple_function_sections.
18001 (output_ranges): Likewise.
18002 (dwarf2out_begin_function): Set have_multiple_function_sections if
18004 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18005 Check function_section rather than DECL_SECTION_NAME.
18006 (dwarf2out_finish): Use have_multiple_function_sections.
18007 Don't clear have_location_lists.
18009 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18010 Jan Hubicka <jh@suse.cz>
18012 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18013 case of conditional jump jumping to the next instruction.
18014 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18015 cases of conditional jump jumping to the next instruction.
18017 2006-01-02 Jan Hubicka <jh@suse.cz>
18019 * i386.c (*_cost): Add COSTS_N_INSNS.
18020 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18022 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18025 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18027 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18029 * config/arm/arm.c (all_fpus): Fix comment typo.
18030 * config/darwin.c: Likewise.
18031 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18032 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18033 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18035 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18037 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18038 (rs6000_split_compare_and_swapqhi): New.
18039 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18040 (sync_compare_and_swapqhi_internal): New.
18041 * config/rs6000/rs6000-protos.h: Declare.