1 2006-11-11 Richard Sandiford <richard@codesourcery.com>
4 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
5 constraints accept neither registers or memories.
7 2006-11-11 Jie Zhang <jie.zhang@analog.com>
9 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
10 (NO_PROFILE_COUNTERS): Define as 1.
12 2006-11-10 Roger Sayle <roger@eyesopen.com>
14 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
15 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
17 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
19 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
21 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
24 (fold_builtin_hypot): Likewise.
25 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
27 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
29 2006-11-10 Roger Sayle <roger@eyesopen.com>
31 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
32 when attempting to build INTEGER_CSTs of non-integral types.
33 * expmed.c (make_tree): Use the correct type, i.e. the inner
34 type, when constructing the individual elements of a CONST_VECTOR.
36 2006-11-10 Jan Hubicka <jh@suse.cz>
38 * cse.c (cse_process_notes): Copy the propagated value.
39 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
41 * gcse.c (try_replace_reg): Copy the replacement.
42 * i386.c (emit_i387_cw_initialization): Copy stored_mode
43 (assign_386_stack_local): Always return copied memory expression
44 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
47 2006-11-10 Jan Hubicka <jh@suse.cz>
49 * final.c (final): Walk from first instruction.
50 * cfglayout.c (insn_locators_initialize): Remove line number notes.
52 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
55 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
57 (umulv8hi3_highpart): Ditto.
58 (vec_widen_smult_hi_v8hi): New expander.
59 (vec_widen_smult_lo_v8hi): Ditto.
61 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
63 * builtins.c (do_mpfr_arg3): New.
64 (fold_builtin_1): Handle builtins fma, fmin and fmax.
66 2006-11-09 Eric Christopher <echristo@apple.com>
71 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
72 * config.gcc (powerpc64-*-darwin*): New target.
74 * config/rs6000/darwin64.h: New file.
75 * config/rs6000/x-darwin64: Ditto.
76 * config/rs6000/host-ppc64-darwin.c: Ditto.
78 2006-11-09 Steve Ellcey <sje@cup.hp.com>
80 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
81 routines for integer division.
83 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
85 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
87 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
90 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
92 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
94 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
95 simplify_subreg with BLKmode outer mode.
97 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
99 * doc/invoke.texi: Minor formatting fixes in option lists.
101 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
103 PR tree-optimization/29738
104 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
105 (ccp_lattice_t): Remove UNKNOWN_VAL.
106 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
107 Do not handle UNKNOWN_VAL.
108 (get_default_value): Set initial value of virtual operands to
110 (get_value): Always use get_default_value on uninitialized
112 (set_value_varying, surely_varying_stmt_p): New functions.
113 (set_lattice_value): Do not pass argument to get_value.
114 Do not handle UNKNOWN_VAL.
115 (likely_value): Follow the semantics described in the comment.
116 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
117 phi nodes DONT_SIMULATE_AGAIN.
118 (ccp_fold): Do not pass argument to get_value.
119 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
122 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
124 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
125 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
127 2006-11-08 Roger Sayle <roger@eyesopen.com>
129 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
130 test for inclusion rather than as a test for exclusion.
131 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
132 the condition after calling fold_binary.
133 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
134 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
135 * builtins.c (fold_builtin_isascii): Likewise.
136 (fold_builtin_isdigit): Likewise.
138 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
140 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
141 * configure: Regenerate.
143 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
145 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
146 enum argument instead of bool.
147 (vect_analyze_operations): Call vectorizable_type_promotion.
148 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
149 stmt_vec_info_type value.
150 (supportable_widening_operation, vectorizable_type_promotion): New
151 function declarations.
152 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
153 (vectorizable_type_promotion): New function.
154 (vect_transform_stmt): Call vectorizable_type_promotion.
155 * tree-vect-analyze.c (supportable_widening_operation): New function.
156 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
158 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
161 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
162 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
163 * tree-inline.c (estimate_num_insns_1): Add cases for above new
165 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
166 * expr.c (expand_expr_real_1): Likewise.
167 * optabs.c (optab_for_tree_code): Likewise.
168 (init_optabs): Initialize new optabs.
169 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
170 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
171 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
172 vec_unpacku_lo_optab): Initialize new optabs.
173 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
174 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
175 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
177 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
178 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
179 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
180 (vec_unpacku_lo_optab): New optabs.
181 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
182 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
183 (vec_widen_smult_hi, vec_widen_smult_lo): New.
184 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
185 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
186 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
188 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
189 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
190 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
191 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
192 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
193 implement the unsigned unpacking patterns.
194 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
195 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
196 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
197 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
198 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
199 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
200 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
201 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
202 multiplication patterns.
204 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
205 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
206 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
207 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
208 (rs6000_builtin_mul_widen_odd): New.
209 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
210 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
211 * tree-vectorizer.h (enum vect_relevant): New enum type.
212 (_stmt_vec_info): Field relevant chaned from bool to enum
214 (STMT_VINFO_RELEVANT_P): Updated.
215 (STMT_VINFO_RELEVANT): New.
216 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
217 instead of STMT_VINFO_RELEVANT_P.
218 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
219 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
220 and boolean variable with enum vect_relevant.
221 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
222 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
223 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
225 2006-11-08 Richard Henderson <rth@redhat.com>
227 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
228 vec_widen_umult_lo_v8hi): New.
229 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
230 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
232 * config/i386/i386.c (ix86_expand_sse_unpack): New.
233 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
234 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
235 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
236 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
237 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
238 vec_unpacks_lo_v4si): New.
240 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
242 * tree-vect-transform.c (vectorizable_type_demotion): New function.
243 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
244 (vect_analyze_operations): Call vectorizable_type_demotion.
245 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
246 stmt_vec_info_type value.
247 (vectorizable_type_demotion): New function declaration.
248 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
251 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
252 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
254 * tree-iniline.c (estimate_num_insns_1): Likewise.
255 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
256 * optabs.c (optab_for_tree_code): Likewise.
258 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
259 compared against the predicate of the result is not 'mode' (the input
260 to the function) but a mode with half the size of 'mode'.
261 (init_optab): Initialize new optabs.
262 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
264 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
266 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
267 (vec_pack_usat_optab): Initialize new optabs.
268 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
269 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
271 2006-11-08 Richard Henderson <rth@redehat.com>
273 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
274 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
275 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
276 (vec_interleave_highv4si, vec_interleave_lowv4si):
277 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
279 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
281 * tree-vect-transform.c (vectorizable_reduction): Support multiple
283 (vect_transform_stmt): Removed redundant code.
285 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
287 * tree-vect-transform.c (vectorizable_operation): Support multiple
290 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
292 * tree-vect-transform.c (vect_align_data_ref): Removed.
293 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
294 Updated function documentation. Return the increment stmt in ptr_incr.
295 (bump_vector_ptr): New function.
296 (vect_get_vec_def_for_stmt_copy): New function.
297 (vect_finish_stmt_generation): Create a stmt_info to newly created
299 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
301 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
302 VF is greater than the number of elements that can fit in one vector
304 (vectorizable_operation, vectorizable_condition): Likewise.
305 (vectorizable_store, vectorizable_load): Support the case that the VF
306 is greater than the number of elements that can fit in one vector word.
307 (vect_transform_loop): Don't fail in case of multiple data-types.
308 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
309 in case of multiple data-types; the smallest type determines the VF.
310 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
311 if they are of different sizes.
312 (vect_update_misalignment_for_peel): Compare misalignments in terms of
313 number of elements rather than number of bytes.
314 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
315 (vect_can_advance_ivs_p): Fix a dump printout
317 2006-11-07 Eric Christopher <echristo@apple.com>
319 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
321 * libgcc2.h: Remove transformation of bswap routines.
322 * config/i386/i386.md (bswapsi2): New.
325 2006-11-07 Jakub Jelinek <jakub@redhat.com>
327 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
328 (handle_gnu_inline_attribute): New function.
329 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
330 (merge_decls, start_decl, start_function): Likewise.
331 * doc/extend.texi: Document gnu_inline attribute.
333 2006-11-07 Steve Ellcey <sje@cup.hp.com>
336 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
337 _fixunstfdi, and _floatditf
339 2006-11-06 Anatoly Sokolov <aesok@post.ru>
341 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
343 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
344 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
345 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
346 which start in an odd register.
348 2006-11-07 Richard Sandiford <richard@codesourcery.com>
350 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
352 2006-11-07 Josh Conner <jconner@apple.com>
354 * doc/invoke.texi (fstrict-aliasing): Move implementation
356 * doc/tree-ssa.texi (Alias analysis): ...here.
358 2006-11-07 Richard Guenther <rguenther@suse.de>
360 PR tree-optimization/29610
361 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
362 of tree_purge_dead_eh_edges as it may free dominators.
364 * g++.dg/other/pr29610.C: New testcase.
366 2006-11-07 David Ung <davidu@mips.com>
368 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
369 costs when optimizing for size.
370 (override_options): Use mips_rtx_cost_optimize_size table for cost
373 2006-11-07 Jie Zhang <jie.zhang@analog.com>
375 * gcc.c (process_command): Treat -b as normal switch if its argument
378 2006-11-07 David Ung <davidu@mips.com>
380 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
383 2006-11-06 Eric Christopher <echristo@apple.com>
385 * config.gcc: Add x86_64-darwin host support.
386 * config.host: Ditto.
387 * config/i386/darwin64.h: New file.
388 * config/i386/t-darwin64: Ditto.
390 2006-11-06 Janis Johnson <janis187@us.ibm.com>
392 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
393 and output-exists-not.
395 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
398 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
399 checking for overflow.
401 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
403 * configure.ac: Fixed typo in case statement: :: changed to ;;
405 2006-11-06 Bob Wilson <bob.wilson@acm.org>
407 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
408 count_leading_zeros, and count_trailing_zeros.
409 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
410 (TARGET_FOLD_BUILTIN): Define.
411 (TARGET_EXPAND_BUILTIN): Define.
412 (xtensa_init_builtins): New.
413 (xtensa_fold_builtin): New.
414 (xtensa_expand_builtin): New.
415 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
416 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
417 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
418 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
419 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
420 (any_extend): New code macro.
421 (u, su): New code attributes.
422 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
423 (nsau): Remove; replaced by clzsi2.
424 (ffssi2): Use clzsi2.
425 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
426 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
427 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
428 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
429 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
431 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
433 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
435 * config/arm/t-strongarm-elf: Likewise.
436 * config/arm/t-pe: Likewise.
437 * config/arm/t-arm-elf: Likewise.
438 * config/arm/t-xscale-elf: Likewise.
439 * config/arm/t-arm-coff: Likewise.
440 * config/arm/t-xscale-coff: Likewise.
441 * config/arm/t-wince-pe: Likewise.
443 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
445 * config/sh/lib1funcs-4-300.asm: Guard entire file with
448 2006-11-05 Jakub Jelinek <jakub@redhat.com>
451 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
454 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
457 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
458 as a valid 80387 constant.
459 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
460 * config/i386/i386.md (unnamed splitter): Split the load of
461 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
464 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
466 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
467 from the soft-frame, argument and virtual registers.
469 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
471 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
472 patterns for standard 80387 constants.
474 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
475 Steven Bosscher <steven@gcc.gnu.org>
477 * fwprop.c: New file.
478 * Makefile.in: Add fwprop.o.
479 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
480 * passes.c (init_optimization_passes): Schedule forward propagation.
481 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
483 * timevar.def (TV_FWPROP): New.
484 * common.opt (-fforward-propagate): New.
485 * opts.c (decode_options): Enable forward propagation at -O2.
486 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
487 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
488 canon_for_address, table_size): Remove.
489 (new_basic_block, insert, remove_from_table): Remove references to
491 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
492 simplification loop more straightforward by not calling fold_rtx
494 (equiv_constant): Move here a small part of fold_rtx_subreg,
495 do not call fold_rtx. Call avoid_constant_pool_reference
497 * recog.h (canonicalize_change_group): New.
499 * doc/invoke.texi (Optimization Options): Document fwprop.
500 * doc/passes.texi (RTL passes): Document fwprop.
502 2006-11-03 Geoffrey Keating <geoffk@apple.com>
504 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
505 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
506 (grokdeclarator): Likewise.
508 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
510 * tree-dump.c (dump_enable_all): Rename local variable
511 ir_type to avoid name conflicts.
512 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
513 instead of using ir_type().
514 * profile.c (tree_register_profile_hooks): Likewise.
515 * value-prof.c (tree_register_value_prof_hooks): Likewise.
516 * basic-block.h (struct edge_def): Likewise.
517 * config/arm/arm.c (legitimize_pic_address): Likewise.
518 * coretypes.h (ir_type): New enum of all intermediate languages
520 * cfghooks.c (ir_type): Rename to...
521 (current_ir_type): ...this. Distinguish between cfgrtl and
522 cfglayout mode when the current IR is RTL. Return enum ir_type.
523 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
525 2006-11-03 Paul Brook <paul@codesourcery.com>
527 * config/arm/arm.c (arm_file_start): New function.
528 (TARGET_ASM_FILE_START): Define.
529 (arm_default_cpu): New variable.
530 (arm_override_options): Set arm_default_cpu.
532 2006-11-03 David Ung <davidu@mips.com>
534 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
535 PROCESSOR_24KC and PROCESSOR_24KF.
536 * config/mips/mips.c (mips_cpu_info_table): Add processor names
537 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
538 (mips_rtx_cost_data): Add costs for the 24kc.
539 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
540 * config/mips/24k.md: Remove references to 24k and replace with
541 uses of 24kc/24kf in the appropriate reservations.
542 * doc/invoke.texi (MIPS Options): Updated.
544 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
546 * config/sh/crt1.asm: Fix #ifdef indent.
548 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
549 Merged from STMicroelectronics sources:
550 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
551 * config/sh/crt1.asm (vbr_600): Add missing #if.
552 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
553 * sh.opt (mfused-madd): New option.
554 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
555 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
556 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
557 Remove pointless handler at VBR+0.
558 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
559 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
560 fr7. Make sure the timer handler is called with the correct FPU
561 precision setting, according to the ABI.
562 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
563 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
564 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
565 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
566 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
567 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
568 zero as second operand.
569 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
570 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
571 Fixed some bugs related to negative values, in particular -0
572 and overflow at -0x80000000.
573 * config/sh/divcost-analysis: Added sh4-300 figures.
574 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
575 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
576 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
577 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
578 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
579 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
581 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
583 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
584 SH4-300 scheduling description & fixes to SH4-[12]00 description:
585 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
586 mac_mem, mem_mac, dfp_mul, fp_cmp.
587 (insn_class, dfp_comp, any_fp_comp): Update.
588 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
589 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
590 (muldf3_i): Likewise.
591 (movsi_i): Split rI08 alternative into two separate alternatives.
593 (movsi_ie, movsi_i_lowpart): Likewise.
594 (movqi_i): Split ri alternative into two separate alternatives.
596 * sh1.md (sh1_load_store, sh1_fp): Update.
597 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
598 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
599 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
600 (sh4a_fp_double_arith): Likewise.
601 * sh4-300.md: New file.
602 * sh.c (sh_handle_option): Handle m4-300* options.
603 (sh_adjust_cost): Fix latency of auto-increments.
604 Handle SH4-300 differently than other SH4s. Check for new insn types.
605 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
606 been set by an option.
607 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
608 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
609 (mbranch-cost=): Likewise.
610 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
612 * sh.md (mulsf3): Remove special expansion code.
613 (mulsf3_ie): Now a define_insn_and_split.
614 (macsf3): Allow for TARGET_SH4.
616 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
617 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
618 (expand_cbranchdi4): Likewise.
619 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
620 CONST_DOUBLE if the outer code is COMPARE.
621 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
622 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
623 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
624 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
625 Remove redundant fp_{zero,one}_operand checks.
626 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
627 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
628 (expand_cbranchdi4): Likewise.
629 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
630 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
632 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
634 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
637 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
639 * doc/invoke.texi: Fix mfp-trap-mode typo.
641 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
643 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
644 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
645 file_end_indicate_exec_stack.
646 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
648 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
649 for a non-executable stack.
650 * crti.asm: Likewise.
651 * crtn.asm: Likewise.
652 * libunwind.S: Likewise.
654 2006-11-02 Ben Elliston <bje@au.ibm.com>
656 * tree-ssa.c (warn_uninit): Use expand_location variables for
657 locus and declaration locus.
659 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
662 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
663 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
664 cmp{eq,gt,gtu}{si,di}_media.
665 (*cmpne0si_media): Remove.
666 (*movsicc_umin): Adjust gen_cmp*_media call.
667 (unordered): Change the mode of unordered and operands[1] to
669 (seq): Adjust gen_cmp*_media calls. Make the mode of
670 a temporary result of compare SImode if needed. If the mode
671 of operands[0] is DImode, extend the temporary result to DImode.
672 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
673 (sunorderd): Change the mode of match_operand and unorderd to
675 (cmpeq{sf,df}_media): Remove.
676 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
677 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
678 and compare operation to SImode.
680 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
682 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
684 (sparc64-sun-solaris2*): Likewise.
686 2006-11-02 Paul Brook <paul@codesourcery.com>
688 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
689 from priority argument. Use different section for non-default
691 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
693 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
696 * except.c (switch_to_exception_section): Do not cache the section
697 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
698 and flag_function_sections is set.
700 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
703 * builtins.c (do_mpfr_sincos): New.
704 (fold_builtin_1): Use it to fold builtin sincos.
706 2006-11-01 Roger Sayle <roger@eyesopen.com>
708 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
709 it into -D_REENTRANT.
711 2006-11-01 Roger Sayle <roger@eyesopen.com>
713 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
714 whether the assembler supports taking the difference of symbols in
715 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
716 * configure: Regenerate.
717 * config.in: Regenerate.
718 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
719 the assembler doesn't support taking the difference of symbols in
720 different sections, i.e. we're using the native solaris assembler.
722 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
723 Peter Bergner <bergner@vnet.ibm.com>
725 * doc/invoke.texi: Add cpu_type power6x
726 (RS/6000 and PowerPC Options): Add -mmfpgpr.
727 * config.gcc: Add cpu_type power6x.
728 * configure.ac: Add test for mf{t,f}gpr instructions.
729 (HAVE_AS_MFPGPR): New.
730 * config.in: Regenerate.
731 * configure: Regenerate.
732 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
733 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
734 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
735 and mftgpr attributes.
736 (define_attr "cpu"): Add power6.
737 Change instruction sequences to use new attributes.
738 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
739 (fix_truncdfsi2_mfpgpr): New.
740 (floatsidf_ppc64_mfpgpr): New.
741 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
742 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
743 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
744 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
745 (fix_truncdfsi2): Use gpc_reg_operand constraint.
746 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
747 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
748 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
749 cntlz,exts and var_delayed_compare.
750 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
751 _ARCH_PWR6X, if features enabled.
752 * config/rs6000/rs6000.opt (mmfpgpr): New.
753 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
754 (cached_can_issue_more): New variable.
755 (processor_costs): Add power6_cost.
756 (rs6000_sched_init): New function.
757 (is_dispatch_slot_restricted): Deleted.
758 (set_to_load_agen): New function.
759 (is_load_insn,is_store_insn): New functions.
760 (adjacent_mem_locations): New function.
761 (insn_must_be_first_in_group): New function.
762 (insn_must_be_last_in_group): New function.
763 (rs6000_sched_reorder): New function.
764 (rs6000_sched_reorder2): New function.
765 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
766 TARGET_SCHED_REORDER2): Define.
767 (processor_target_table): Use PROCESSOR_POWER6 for power6.
768 Add power6x. Add MASK_MFPGPR for power6x.
769 (POWERPC_MASKS): Add MASK_MFPGPR.
770 (rs6000_override_options): Set rs6000_always_hint to false
771 for power6. Set rs6000_align_branch_targets. Replace
772 rs6000_sched_groups check with rs6000_align_branch_targets.
773 Use PROCESSOR_POWER6.
774 (last_scheduled_insn): New variable.
775 (load_store_pendulum): New variable.
776 (rs6000_variable_issue): Set last_scheduled_insn and
777 cached_can_issue_more.
778 (rs6000_adjust_cost): Add power6 cost adjustments.
779 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
780 with insn_must_be_first_in_group. Add power6 priority adjustments.
781 (rs6000_issue_rate): Add CPU_POWER6.
782 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
783 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
784 (TARGET_MFPGPR): New.
785 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
786 (ASM_CPU_SPEC): Add power6x.
787 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
789 * config/rs6000/power6.md: New file.
791 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
793 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
794 HOST_WIDE_INT_PRINT to print high and low parts. Use
795 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
796 printing a hexadecimal number prefix it with 0x.
798 2006-11-01 Chris Johns <chris@contemporary.net.au>
801 * Makefile.in (install-driver): Use exeext when installing
802 $target-gcc-$version.
804 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
806 * c-common.c (flag_cpp0x): New.
807 * c-common.h (flag_cpp0x): New.
808 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
809 supported, define __GXX_EXPERIMENTAL_CPP0X__.
810 * c-opts.c (set_std_cxx0x): New.
811 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
812 * c.opt (std=c++0x): Document.
813 (std=gnu++0x): Ditto.
814 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
815 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
817 2006-11-01 Richard Guenther <rguenther@suse.de>
819 * config/i386/i386.c (ix86_expand_rint): Fix issues with
821 (ix86_expand_floorceildf_32): Likewise.
822 (ix86_expand_floorceil): Likewise.
823 (ix86_expand_trunc): Likewise.
825 2006-10-31 Andrew Pinski <pinskia@gmail.com>
827 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
830 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
832 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
834 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
836 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
838 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
839 * configure.ac (use_cxa_atexit): As a special case, don't test
840 for libc definition of __cxa_atexit on mingw32
841 * configure: Regenerate.
842 * config.gcc (i[34567]86-pc-mingw32): Default to
843 enable__cxa_atexit=yes.
845 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
847 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
849 2006-10-31 Geoffrey Keating <geoffk@apple.com>
852 * c-decl.c (start_struct): Don't create self-containing
854 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
856 * config/rs6000/rs6000-protos.h
857 (darwin_rs6000_special_round_type_align): New.
858 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
859 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
861 2006-10-31 Geoffrey Keating <geoffk@apple.com>
863 * toplev.c (compile_file): Call final_write_globals
864 even if there have been errors.
866 2006-10-31 Eric Christopher <echristo@apple.com>
867 Falk Hueffner <falk@debian.org>
869 * doc/extend.texi (__builtin_bswap32): Document.
870 (__builtin_bswap64): Ditto.
871 * doc/libgcc.texi (bswapsi2): Document.
873 * doc/rtl.texi (bswap): Document.
874 * optabs.c (expand_unop): Don't widen a bswap.
875 (init_optabs): Init bswap. Set libfuncs explicitly
876 for bswapsi2 and bswapdi2.
877 * optabs.h (OTI_bswap): New.
878 (bswap_optab): Ditto.
879 * genopinit.c (optabs): Handle bswap_optab.
880 * tree.h (tree_index): Add TI_UINT32_TYPE and
882 (uint32_type_node): New.
883 (uint64_type_node): Ditto.
884 * tree.c (build_common_tree_nodes_2): Initialize
885 uint32_type_node and uint64_type_node.
886 * builtins.c (expand_builtin_bswap): New.
887 (expand_builtin): Call.
888 (fold_builtin_bswap): New.
889 (fold_builtin_1): Call.
890 * fold-const.c (tree_expr_nonnegative_p): Return true
892 * builtin-types.def (BT_UINT32): New.
894 (BT_FN_UINT32_UINT32): Ditto.
895 (BT_FN_UINT64_UINT64): Ditto.
896 * builtins.def (BUILT_IN_BSWAP32): New.
897 (BUILT_IN_BSWAP64): Ditto.
898 * rtl.def (BSWAP): New.
899 * genattrtab.c (check_attr_value): New.
900 * libgcc2.c (__bswapSI2): New.
902 * libgcc2.h (__bswapSI2): Declare.
904 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
905 * simplify-rtx.c (simplify_const_unary_operation): Return
907 * libgcc-std.ver (__bwapsi2): Add.
909 * reload1.c (eliminate_regs_1): Add bswap.
910 (elimination_effects): Ditto.
911 * config/i386/i386.h (x86_bswap): New.
913 * config/i386/i386.c (x86_bswap): Set.
915 2006-10-31 Geoffrey Keating <geoffk@apple.com>
917 * coverage.c (coverage_checksum_string): Update comment.
918 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
919 of get_file_function_name.
920 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
921 of get_file_function_name_long.
922 * tree.c (get_file_function_name): Rename from
923 get_file_function_name_long; improve comment; handle 'I' and 'D'
924 specially when the target has ctor/dtor support; remove special
926 (get_file_function_name): Remove.
927 * tree.h (get_file_function_name): Rename from
928 get_file_function_name_long.
929 (get_file_function_name): Remove prototype.
931 2006-10-31 Geoffrey Keating <geoffk@apple.com>
933 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
934 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
936 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
937 Call dsymutil when compiling and linking one or more source files
940 2006-10-31 Geoffrey Keating <geoffk@apple.com>
943 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
945 2006-10-31 Geoffrey Keating <geoffk@apple.com>
947 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
948 inline static functions in c99 mode.
951 * doc/extend.texi (Inline): Update.
952 * c-tree.h (struct language_function): Remove field 'extern_inline'.
953 * c-decl.c (current_extern_inline): Delete.
954 (pop_scope): Adjust test for an undefined nested function.
955 Add warning about undeclared inline function.
956 (diagnose_mismatched_decls): Update comments. Disallow overriding
957 of inline functions in a translation unit in C99. Allow inline
958 declarations in C99 at any time.
959 (merge_decls): Boolize variables. Handle C99 'extern inline'
961 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
962 C99 inline semantics.
963 (start_function): Don't clear current_extern_inline. Don't set
965 (c_push_function_context): Don't push current_extern_inline.
966 (c_pop_function_context): Don't restore current_extern_inline.
969 * c-typeck.c (build_external_ref): Warn about static variables
970 used in extern inline functions.
971 * c-decl.c (start_decl): Warn about static variables declared
972 in extern inline functions.
974 2006-10-31 Roger Sayle <roger@eyesopen.com>
977 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
978 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
979 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
980 or y is an even integer.
982 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
985 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
986 * gthr-posix95.h (__gthread_active_p): Likewise.
988 2006-10-31 Richard Guenther <rguenther@suse.de>
990 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
991 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
992 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
993 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
994 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
995 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
996 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
997 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1000 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1002 * opts.c (decode_options): Disable CSE skip blocks.
1004 2006-10-30 Dirk Mueller <dmueller@suse.de>
1006 * c-common.h (strict_aliasing_warning): Fix whitespace.
1007 * c-decl (start_function): Move code for main decl warning ..
1008 * c-common.c (check_main_parameter_types): .. here.
1009 * c-common.h (check_main_parameter_types): Declare.
1011 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1014 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1016 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1018 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1019 be a PARALLEL containing sets. Return false when out_pat is not
1022 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1024 * config/mips/mips.md (mul<mode>3): Split into...
1025 (mulsi3, muldi3): ...these separate patterns.
1027 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1029 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1030 but with each set of options separated by spaces.
1032 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1034 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1035 dwarf_reg_size_table has been initialized.
1037 2006-10-30 Roger Sayle <roger@eyesopen.com>
1039 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1040 * ddg.c (print_ddg_edge): Likewise.
1041 * dwarf2out.c (prune_unused_types_walk): Likewise.
1042 * ifcvt.c (noce_try_cmove_arith): Likewise.
1043 * langhooks.c (add_builtin_function): Likewise.
1044 * reg-stack.c (subst_stack_regs_pat): Likewise.
1045 * tree.c (expanded_location): Likewise.
1046 * tree-dump.c (dequeue_and_dump): Likewise.
1048 2006-10-30 David Daney <ddaney@avtrex.com>
1050 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1052 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1054 PR tree-optimization/29637
1055 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1056 of the innertype is the innertype itself.
1058 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1060 * dwarf2out.c (file_name_acquire): Correct typo.
1062 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1064 * tree.h (tree_value_handle): Remove struct value_set declaration.
1065 Change value_set to bitmap_set.
1066 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1067 * tree-vn.c (get_value_handle): Made inline and moved to
1069 * tree-flow-inline.h: (has_stmt_ann): New function.
1070 * tree-ssa-pre.c (expressions): New variable.
1071 (next_expression_id): Ditto.
1072 (alloc_expression_id): New function.
1073 (struct value_set): Remove.
1074 (get_expression_id): New function.
1075 (get_or_alloc_expression_id): Ditto.
1076 (expression_for_id): Ditto.
1077 (clear_expression_ids): Ditto.
1078 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1079 (bb_value_sets): Renamed to bb_bitmap_sets.
1080 All value sets replaced with bitmap_sets.
1082 (BB_VISITED): New macro.
1083 (postorder): New variable.
1084 (add_to_value): Removed.
1085 (value_exists_in_set_bitmap): Ditto.
1086 (value_insert_into_set_bitmap): Ditto.
1089 (set_remove): Ditto.
1090 (set_contains_value): Ditto.
1091 (insert_into_set): Ditto.
1093 (find_leader): Ditto.
1094 (bitmap_set_subtract_from_value_set): Ditto.
1095 (value_insert_into_set): Ditto.
1096 (print_value_set): Ditto.
1097 (debug_value_set): Ditto.
1098 (constant_expr_p): New function.
1099 (bitmap_remove_from_set): Ditto.
1100 (bitmap_insert_into_set): Ditto.
1101 (bitmap_set_free): Ditto.
1102 (vh_compare): Ditto.
1103 (sorted_array_from_bitmap_set): Ditto.
1104 (bitmap_set_subtract): Ditto.
1105 (bitmap_set_equal): Ditto.
1106 (debug_bitmap_set): Ditto.
1107 (find_leader_in_sets): Ditto.
1108 (bitmap_set_replace_value): Modify for bitmapped sets.
1109 (phi_translate): Ditto.
1110 (phi_translate_set): Ditto.
1111 (bitmap_find_leader): Ditto.
1112 (valid_in_sets): Ditto.
1113 (union_contains_value): Ditto.
1115 (compute_antic_aux): Ditto. Mark changed blocks.
1116 (compute_antic): Ditto. Iterate in postorder and only over
1118 (compute_rvuse_and_antic_safe): Reuse postorder.
1119 (create_component_ref_by_pieces): Modify for bitmapped sets.
1120 (find_or_generate_expression): Ditto.
1121 (create_expression_by_pieces): Ditto.
1122 (insert_into_preds_of_block): Ditto.
1123 (changed_blocks): New variable.
1124 (do_regular_insertion): Broken out from insert_aux.
1125 (insert_aux): Modified for bitmapped sets.
1126 (find_existing_value_expr): New function.
1127 (create_value_expr_from): Use it.
1128 (insert_extra_phis): Removed.
1129 (print_bitmap_set): Renamed from bitmap_print_value_set.
1130 (compute_avail): Handle RETURN_EXPR.
1131 (init_pre): Modify for bitmapped sets.
1132 * tree-flow.h (has_stmt_ann): New function.
1134 2006-10-29 Roger Sayle <roger@eyesopen.com>
1136 * builtins.c (fold_builtin_floor): Check for the availability of
1137 the C99 trunc function before transforming floor into trunc.
1139 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1141 * builtins.c (fold_builtin_hypot): Rearrange recursive
1142 transformation before others, and also do ABS_EXPR. When
1143 necessary, check flag_unsafe_math_optimizations. When necessary,
1146 2006-10-29 Roger Sayle <roger@eyesopen.com>
1148 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1149 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1150 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1151 Fold -X eq/ne -Y as X eq/ne Y.
1153 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1155 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1156 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1157 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1158 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1159 Use an inclusive test for "mult" rather than "mul".
1160 (rotr<mode>3): Depend on ISA_HAS_ROR.
1161 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1163 (GENERATE_MULT3_DI): Delete.
1164 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1165 (ISA_HAS_MUL3): New macro.
1166 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1167 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1168 (ISA_HAS_CLZ_CLO): Likewise.
1169 (ISA_HAS_DCLZ_DCLO): Delete.
1170 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1171 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1172 the VR4120 and VR4130.
1173 (ISA_HAS_MACCHI): Use consistent formatting.
1174 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1175 (ISA_HAS_ROR): ...this new macro.
1176 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1177 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1178 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1180 2006-10-29 Roger Sayle <roger@eyesopen.com>
1182 PR tree-optimization/15458
1183 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1186 2006-10-29 Richard Guenther <rguenther@suse.de>
1188 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1189 (ix86_expand_truncdf_32): Likewise.
1190 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1191 trunc inline for SSE math and -fno-trapping-math and if not
1192 optimizing for size.
1193 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1194 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1195 for expanding btrunc inline for SSE math.
1197 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1199 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1200 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1201 i[34567]86-*-solaris2.1[0-9]*.
1202 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1203 Define conditionally depending on TARGET_64BIT_DEFAULT.
1204 (SPEC_32, SPEC_64): Define.
1205 (LINK_SPEC): Use them.
1206 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1208 2006-10-29 Richard Guenther <rguenther@suse.de>
1210 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1211 (ix86_expand_rounddf_32): Likewise.
1212 * config/i386/i386.c (ix86_expand_round): New function expanding
1213 round inline for SSE math and -fno-trapping-math and if not
1214 optimizing for size.
1215 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1216 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1217 round via ix86_expand_round.
1219 2006-10-29 Richard Guenther <rguenther@suse.de>
1221 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1222 (ix86_expand_floorceildf_32): Likewise.
1223 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1224 static helper function.
1225 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1227 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1228 * config/i386/i386.md (floordf2): Adjust to enable floor
1229 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1230 -fno-trapping-math is enabled and if not optimizing for size.
1231 (floorsf2, ceildf2, ceilsf2): Likewise.
1232 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1233 (sse2_maskcmpdf3): Likewise.
1235 2006-10-29 Richard Guenther <rguenther@suse.de>
1237 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1238 rint in case -fno-trapping-math is enabled.
1239 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1240 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1241 (ix86_expand_sse_fabs): Likewise.
1242 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1243 * config/i386/i386.md (rintdf2): Enable for SSE math if
1244 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1245 (rintsf2): Likewise.
1247 2006-10-29 Richard Guenther <rguenther@suse.de>
1249 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1250 to conversion optabs.
1251 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1252 as conversion optab.
1253 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1254 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1255 (lfloor_optab, lceil_optab): Adjust defines.
1256 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1257 lfloor and lceil optabs now being conversion optabs.
1258 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1259 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1260 New static helper function.
1261 (ix86_expand_lfloorceil): New function to expand lfloor and
1263 * config/i386/i386.md (lfloor<mode>2): Split into ...
1264 (lfloorxf<mode>2): ... x87 variant
1265 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1266 using ix86_expand_lfloorceil.
1267 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1269 * doc/md.texi (lfloorMN, lceilMN): Document.
1271 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1273 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1274 -mno-shared assembler option on mips targets.
1275 * configure, config.in: Regenerate.
1276 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1277 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1278 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1280 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1282 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1283 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1285 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1287 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1288 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1291 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1294 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1295 (fold_builtin_pow): Evaluate constant arguments at compile-time
1297 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1298 (do_mpfr_ckconv): New helper function.
1299 (do_mpfr_arg1): Use do_mpfr_ckconv.
1300 (do_mpfr_arg2): New.
1302 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1305 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1306 (-fdump-rtl-sched): Rename to ..
1307 (-fdump-rtl-sched1): here. Also fix file extension number.
1309 2006-10-28 Richard Guenther <rguenther@suse.de>
1311 * fold-const.c (maybe_canonicalize_comparison): Fix code
1314 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1316 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1317 (NON_QI_REG_P): Use IN_RANGE.
1318 (REX_INT_REGNO_P): Use IN_RANGE.
1319 (FP_REGNO_P): Use IN_RANGE.
1320 (SSE_REGNO_P): Use IN_RANGE.
1321 (REX_SSE_REGNO_P): Use IN_RANGE.
1322 (MMX_REGNO_P): Use IN_RANGE.
1323 (STACK_REGNO_P): New macro.
1324 (STACK_REG_P): Use STACK_REGNO_P.
1325 (NON_STACK_REG_P): Use STACK_REGNO_P.
1326 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1327 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1328 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1329 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1330 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1332 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1334 * except.h (output_function_exception_table): Add 'const char*' param.
1335 * except.c (switch_to_exception_section): Add 'const char*' param.
1336 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1337 and flag_function_sections is set, use a function-specific section.
1338 (output_function_exception_table): Add 'const char*' param.
1339 Adjust call to switch_to_exception_section.
1340 * final.c (rest_of_handle_final): Adjust calls to
1341 output_function_exception_table.
1342 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1343 * config.in: Regenerate.
1344 * configure: Likewise.
1346 2006-10-28 Richard Guenther <rguenther@suse.de>
1349 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1350 for maybe_canonicalize_comparison.
1351 (maybe_canonicalize_comparison): New function for canonicalizing
1353 (fold_comparison): Call it to canonicalize comparisons with
1356 2006-10-28 Richard Guenther <rguenther@suse.de>
1359 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1360 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1361 (expand_builtin): Adjust likewise.
1362 * genopinit.c (optabs[]): Add lround optab.
1363 * optabs.c (init_optabs): Initialize lround_optab.
1364 * optabs.h (enum convert_optab_index): Add COI_lround.
1365 (lround_optab): Define.
1366 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1367 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1369 (ix86_expand_lround): New function.
1370 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1372 * doc/md.texi (lroundMN2): Document.
1374 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1377 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1378 argument to HOST_WIDE_INT. Update function prototype.
1379 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1380 "size" argument to HOST_WIDE_INT. Update function prototype.
1382 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1384 * config/i386/i386.c (output_387_ffreep): Create output from a
1385 template string for !HAVE_AS_IX86_FFREEP.
1387 2006-10-27 Eric Christopher <echristo@apple.com>
1389 * config/darwin.c: Fix formatting and grammar.
1391 2006-10-27 Jan Hubicka <jh@suse.cz>
1393 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1394 to be thrown away soon when IGNORE is set.
1395 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1396 indicating when return value shall not be computed.
1397 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1399 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1401 * config/i386/i386.h (TARGET_GEODE):
1402 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1403 (TARGET_CPU_DEFAULT_geode): New macro.
1404 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1405 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1406 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1407 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1408 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1410 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1411 (processor_type): Add PROCESSOR_GEODE.
1413 * config/i386/i386.md: Include geode.md.
1416 * config/i386/i386.c (geode_cost): New initialized global
1418 (m_GEODE, m_K6_GEODE): New macros.
1419 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1420 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1421 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1422 x86_schedule): Use m_K6_GEODE instead of m_K6.
1423 (x86_movx, x86_cmove): Set up m_GEODE.
1424 (x86_integer_DFmode_moves): Clear m_GEODE.
1425 (processor_target_table): Add entry for geode.
1426 (processor_alias_table): Ditto.
1428 * config/i386/geode.md: New file.
1430 * doc/invoke.texi: Add entry about geode processor.
1432 2006-10-27 Mike Stump <mrs@apple.com>
1434 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1435 __DYNAMIC__ from here back to ...
1436 * config/darwin.h (CPP_SPEC): ... here.
1438 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1439 Nathan Sidwell <nathan@codesourcery.com>
1441 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1442 when choosing the minimum heapsize.
1444 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1446 * gcc/unwind-dw2.h: Move cfa-related variables into
1447 struct frame_state_reg_info to ensure that the CFA is properly
1448 handled when executing DW_CFA_{remember,restore}_state.
1449 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1450 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1451 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1452 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1453 gcc/config/rs6000/linux-unwind.h,
1454 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1455 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1456 Modify to use new cfa_* fields.
1458 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1460 * config/s390/s390.c (s390_init_frame_layout): Check positive
1463 2006-10-26 Ben Elliston <bje@au.ibm.com>
1465 * gimplify.c (get_name): Remove extraneous break.
1466 (gimplify_omp_for): Initialise ret with GS_OK.
1468 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1470 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1471 Add unix98.o to link line.
1473 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1476 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1477 Calculate compile-time constants using MPFR.
1478 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1479 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1481 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1483 * config/xtensa/lib2funcs.S: Use C-style comments.
1485 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1487 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1488 (file_table_relative_p): Likewise.
1489 (dwarf2out_finish): Likewise.
1490 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1492 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1494 * tree-ssa-structalias.c (intra_create_variable_infos):
1495 Don't recreate nonlocal_all if it already exists.
1497 2006-10-25 Richard Guenther <rguenther@suse.de>
1500 * optabs.h (enum optab_index): Remove OTI_lrint.
1501 (enum convert_optab_index): Add COI_lrint.
1502 (lrint_optab): Adjust.
1503 (expand_sfix_optab): Declare.
1504 * optabs.c (expand_sfix_optab): New function.
1505 (init_optabs): Init lrint_optab as conversion optab.
1506 * genopinit.c (lrint_optab): Change to a conversion optab.
1507 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1508 expansion via conversion optab.
1509 * config/i386/i386.md (*fistdi2_1): Remove
1510 flag_unsafe_math_optimizations guard.
1511 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1512 fist<mode>2_with_temp): Likewise.
1513 (lrint<mode>2): Split into...
1514 (lrintxf<mode>2): ... x87 part
1515 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1516 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1517 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1518 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1519 * doc/md.texi (lrintMN2): Document.
1521 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1524 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1525 Use inc and dec instructions for TARGET_USE_INCDEC.
1526 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1527 ("sync_double_compare_and_swap<mode>"): Likewise.
1528 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1529 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1530 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1531 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1532 ("sync_old_add<mode>"): Likewise.
1533 ("sync_lock_test_and_set<mode>"): Likewise.
1534 ("sync_lock_test_and_set<mode>"): Likewise.
1535 ("sync_add<mode>"): Likewise.
1536 ("sync_sub<mode>"): Likewise.
1537 ("sync_ior<mode>"): Likewise.
1538 ("sync_and<mode>"): Likewise.
1539 ("sync_xor<mode>"): Likewise.
1541 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1543 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1544 (remainder_optab): Define corresponding macro.
1545 (drem_optab): Remove.
1546 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1547 drem_optab initialization.
1548 * genopinit.c (optabs): Implement remainder_optab using
1549 remainder?f3 patterns. Remove drem_optab.
1550 * builtins.c (expand_builtin_mathfn_2): Handle
1551 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1552 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1553 expand_builtin_mathfn_2.
1555 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1556 depend on flag_unsafe_math_optimizations.
1558 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1559 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1560 Do not depend on flag_unsafe_math_optimizations. Use
1561 truncxf?f expander instead of truncxf?f_i387_noop.
1563 ("fpremxf4", "fprem1xf4"): Do not depend on
1564 flag_unsafe_math_optimizations.
1565 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1566 flag_unsafe_math_optimizations. Use truncxf?f expander
1567 instead of truncxf?f_i387_noop.
1569 * doc/md.texi (fmod, remainder): Document standard named pattern.
1571 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1572 David Daney <ddaney@avtrex.com>
1575 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1577 2006-10-25 Ben Elliston <bje@au.ibm.com>
1579 * doc/extend.texi (Variable Attributes): Typo fix.
1581 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1583 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1584 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1585 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1586 (FRAME_POINTER_REGNUM): Update register number to 21.
1587 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1588 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1590 * config/i386/i386.c (regclass_map): Add fpcr entry.
1591 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1593 (print_reg): Assert REGNO (x) != FPCR_REG.
1595 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1596 (DIRFLAG_REG): Renumber.
1597 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1598 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1599 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1600 hardcoded SSE register numbers.
1602 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1603 hardcoded MMX register numbers.
1605 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1608 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1609 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1611 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1612 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1613 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1614 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1616 2006-10-24 Richard Guenther <rguenther@suse.de>
1619 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1620 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1621 for deciding optimizations in consistency with fold-const.c
1622 (fold_builtin_unordered_cmp): Likewise.
1624 2006-10-24 Richard Guenther <rguenther@suse.de>
1626 * builtins.c (fold_builtin_floor): Fold floor (x) where
1627 x is nonnegative to trunc (x).
1628 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1629 nonnegative to FIX_TRUNC_EXPR.
1631 2006-10-24 Richard Guenther <rguenther@suse.de>
1633 PR tree-optimization/29567
1634 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1635 for TRUTH_NOT_EXPR. Clarify comments.
1637 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1640 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1641 at compile-time using MPFR. Change parameter VALUE to FUNC,
1643 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1644 for overflow and underflow at all times and avoid folding in
1647 2006-10-24 Ben Elliston <bje@au.ibm.com>
1649 * reload1.c: Formatting fixes.
1651 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1653 PR tree-optimization/14784
1654 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1655 * tree-ssa-structalias.c (get_constraint_for,
1656 intra_create_variable_infos): Set is_heapvar.
1657 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1658 non-heapvar pointer variables specially.
1660 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1663 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1664 fold_builtin_tan): Fold all constant arguments. Take a "type"
1665 argument as necessary.
1666 (do_mpfr_arg1): New.
1667 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1669 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1671 * config/xtensa/lib1funcs.asm: Use C-style comments.
1673 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1675 * tree.c (local_define_builtin): Replace calls to
1676 lang_hooks.builtin_function with add_builtin_function.
1677 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1679 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1681 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1682 common code to add_builtin_function.
1683 * langhooks.c (add_builtin_function): New function.
1684 (lhd_builtin_function): New function.
1685 * langhooks.h (struct lang_hooks): Change the signature of
1687 (add_builtin_function): New function.
1688 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1689 calls to lang_hooks.builtin_function with add_builtin_function.
1690 * c-common.c (decl_builtin_1): Replace calls to
1691 lang_hooks.builtin_function with add_builtin_function.
1692 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1693 lang_hooks.builtin_function with add_builtin_function.
1694 * config/frv/frv.c (def_builtin): Replace calls to
1695 lang_hooks.builtin_function with add_builtin_function.
1696 * config/s390/s390.c (s390_init_builtins): Replace calls to
1697 lang_hooks.builtin_function with add_builtin_function.
1698 * config/sparc/sparc.c (def_builtin): Replace calls to
1699 lang_hooks.builtin_function with add_builtin_function.
1700 * config/i386/i386.c (def_builtin): Replace calls to
1701 lang_hooks.builtin_function with add_builtin_function.
1702 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1703 lang_hooks.builtin_function with add_builtin_function.
1704 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1705 lang_hooks.builtin_function with add_builtin_function.
1706 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1707 Replace calls to lang_hooks.builtin_function with
1708 add_builtin_function.
1709 * config/iq2000/iq2000.c (def_builtin):
1710 Replace calls to lang_hooks.builtin_function with
1711 add_builtin_function.
1712 * config/ia64/ia64.c (def_builtin): Replace calls to
1713 lang_hooks.builtin_function with add_builtin_function.
1714 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1715 lang_hooks.builtin_function with add_builtin_function.
1716 (altivec_init_builtins): Replace calls to
1717 lang_hooks.builtin_function with add_builtin_function.
1718 * config/arm/arm.c (def_mbuiltin): Replace calls to
1719 lang_hooks.builtin_function with add_builtin_function.
1720 (arm_init_tls_builtins): Replace calls to
1721 lang_hooks.builtin_function with add_builtin_function.
1722 * config/mips/mips.c (mips_init_builtins): Replace calls to
1723 lang_hooks.builtin_function with add_builtin_function.
1724 * config/bfin/bfin.c (def_builtin): Replace calls to
1725 lang_hooks.builtin_function with add_builtin_function.
1726 * langhooks-def.h (lhd_builtin_function): New function.
1727 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1729 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1731 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1732 BUILT_IN_STRNCAT_CHK.
1734 2006-10-23 Jan Hubicka <jh@suse.cz>
1736 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1737 don't do conversion from memmove to memcpy here.
1738 (expand_builtin_bcopy, expand_builtin): Update call of
1739 expand_builtin_memmove.
1740 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1742 2006-10-23 Paul Brook <paul@codesourcery.com>
1744 * stor-layout.c (start_record_layout): maximum_field_alignment
1745 overrides STRUCTURE_SIZE_BOUNDARY.
1747 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1749 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1750 nonlocal function symbols if flag_pic.
1752 2006-10-23 Richard Guenther <rguenther@suse.de>
1756 * builtins.c (fold_binary): Remove checks for flag_wrapv
1757 and flag_trapv where negate_expr_p covers these cases.
1759 2006-10-23 Richard Guenther <rguenther@suse.de>
1762 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1763 of two on the absolute value.
1764 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1765 and negating -C does not overflow.
1767 2006-10-23 Richard Guenther <rguenther@suse.de>
1770 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1771 only if not flag_rounding_math.
1773 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1774 Kaz Kojima <kkojima@gcc.gnu.org>
1777 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1778 SImode memory reference for the source of a movua.
1779 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1780 (movua): Use an unspec instead of sign_extract. Expect the source
1781 to have mode BLKmode.
1782 (extv, insv): Use a BLKmode rather than SImode memory reference
1783 for the source of a movua.
1785 2006-10-22 Jeff Law <law@redhat.com>
1786 Richard Guenther <rguenther@suse.de>
1788 PR tree-optimization/15911
1789 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1790 (register_edge_assert_for_1): Likewise.
1791 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1792 (find_conditional_asserts): Adjust for new function signature.
1793 (find_assert_locations): Likewise.
1795 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1797 * config/i386/tmmintrin.h: Remove the duplicated content.
1799 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1801 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1802 (x86_64-*-*): Likewise.
1804 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1805 (override_options): Check SSSE3.
1806 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1807 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1808 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1809 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1810 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1811 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1812 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1813 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1814 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1815 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1816 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1817 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1818 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1819 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1820 IX86_BUILTIN_PABSD128.
1821 (bdesc_2arg): Add SSSE3.
1822 (bdesc_1arg): Likewise.
1823 (ix86_init_mmx_sse_builtins): Support SSSE3.
1824 (ix86_expand_builtin): Likewise.
1825 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1827 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1828 (UNSPEC_PSIGN): Likewise.
1829 (UNSPEC_PALIGNR): Likewise.
1830 Include mmx.md before sse.md.
1832 * config/i386/i386.opt: Add -mssse3.
1834 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1835 (ssse3_phaddwv4hi3): Likewise.
1836 (ssse3_phadddv4si3): Likewise.
1837 (ssse3_phadddv2si3): Likewise.
1838 (ssse3_phaddswv8hi3): Likewise.
1839 (ssse3_phaddswv4hi3): Likewise.
1840 (ssse3_phsubwv8hi3): Likewise.
1841 (ssse3_phsubwv4hi3): Likewise.
1842 (ssse3_phsubdv4si3): Likewise.
1843 (ssse3_phsubdv2si3): Likewise.
1844 (ssse3_phsubswv8hi3): Likewise.
1845 (ssse3_phsubswv4hi3): Likewise.
1846 (ssse3_pmaddubswv8hi3): Likewise.
1847 (ssse3_pmaddubswv4hi3): Likewise.
1848 (ssse3_pmulhrswv8hi3): Likewise.
1849 (ssse3_pmulhrswv4hi3): Likewise.
1850 (ssse3_pshufbv16qi3): Likewise.
1851 (ssse3_pshufbv8qi3): Likewise.
1852 (ssse3_psign<mode>3): Likewise.
1853 (ssse3_psign<mode>3): Likewise.
1854 (ssse3_palignrti): Likewise.
1855 (ssse3_palignrdi): Likewise.
1856 (abs<mode>2): Likewise.
1857 (abs<mode>2): Likewise.
1859 * config/i386/tmmintrin.h: New file.
1861 * doc/extend.texi: Document SSSE3 built-in functions.
1863 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1865 2006-10-22 Ira Rosen <irar@il.ibm.com>
1867 * tree-vect-transform.c (vectorizable_load): Use the type of the
1868 return value of the mask_for_load builtin to create realign_load
1871 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1873 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1876 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1878 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1879 (UNSPEC_LDDQU): This.
1880 * config/i386/sse.md (sse3_lddqu): Updated.
1882 2006-10-21 Richard Guenther <rguenther@suse.de>
1884 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1885 (expand_builtin): Use it to expand lrint instead of
1886 expand_builtin_mathfn.
1888 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1891 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1892 flag_unsafe_math_optimizations is set.
1894 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1897 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1898 patterns to use memory input operand in x87->mem->XMM
1899 reload sequences. Skip transformation for TARGET_K8.
1901 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1903 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1904 force operand1 to register if both operands are memory operands.
1905 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1906 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1907 if both operands are memory operands.
1908 (truncdfsf2): Do not force operand1 to register if both operands
1909 are memory operands.
1911 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1913 * Makefile.in (LIBS): Add $(GMPLIBS).
1914 * doc/install.texi: Update GMP and MPFR requirements.
1915 * doc/sourcebuild.texi (need_gmp): Delete.
1917 2006-10-21 Richard Guenther <rguenther@suse.de>
1919 PR tree-optimization/3511
1920 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1921 got new invariant arguments during PHI translation.
1923 2006-10-21 Richard Guenther <rguenther@suse.de>
1926 * fold-const.c (fold_comparison): Fold signed comparisons
1927 of the form X +- C1 CMP Y +- C2.
1929 2006-10-21 Richard Guenther <rguenther@suse.de>
1932 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1933 if flag_unsafe_math_optimizations is specified. We have
1934 flag_finite_math_only for that.
1935 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1936 or flag_unsafe_math_optimizations.
1938 2006-10-21 Richard Guenther <rguenther@suse.de>
1940 * builtins.c (fold_builtin_classify): Fix typo.
1942 2006-10-21 Richard Guenther <rguenther@suse.de>
1945 * simplify-rtx.c (simplify_const_relational_operation):
1946 Do not constant-fold ORDERED and UNORDERED for
1947 flag_unsafe_math_optimizations but only we do not need to
1948 honor NaNs for the given mode.
1950 2006-10-21 Richard Guenther <rguenther@suse.de>
1953 * config/i386/i386.c (classify_argument): Remove redundant
1954 walking of the BINFOs.
1955 (contains_128bit_aligned_vector_p): Likewise.
1957 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1959 * BASE-VER: Set to 4.3.0.
1961 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1963 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1964 (tree_decl_with_vis): Remove artificial_pta_var flag.
1965 * tree-flow.h (referenced_var_check_and_insert): Expose.
1966 (nonlocal_all): New prototype.
1967 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1968 (nonlocal_all): Make global.
1969 (nonlocal_lookup): Remove.
1970 (nonlocal_insert): Ditto.
1971 (create_nonlocal_var): Do not call nonlocal_insert.
1972 (get_nonlocal_id_for_type): Remove.
1973 (find_global_initializers): Mark new vars we find for renaming.
1974 (intra_create_variable_infos): Only create one nonlocal.
1975 (expand_nonlocal_solutions): Remove.
1976 (compute_points_to_sets): Don't call it.
1977 (ipa_pta_execute): Ditto.
1978 (init_alias_heapvars): Don't create nonlocal_for_type.
1979 (delete_alias_heapvars): Don't remove it.
1980 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1983 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1985 * doc/install.texi (Downloading GCC): Clarify mention of
1986 Fortran in the "full distribution" description.
1988 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1990 Fix PR tree-optimization/28778
1991 Fix PR tree-optimization/29156
1992 Fix PR tree-optimization/29415
1993 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1994 (tree_decl_with_vis): Add artificial_pta_var flag.
1995 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1996 pushed into callers.
1997 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1998 (nonlocal_all): Ditto.
1999 (struct variable_info): Add directly_dereferenced member.
2000 (var_escaped_vars): New variable.
2001 (escaped_vars_tree): Ditto.
2002 (escaped_vars_id): Ditto.
2003 (nonlocal_vars_id): Ditto.
2004 (new_var_info): Set directly_dereferenced.
2005 (graph_size): New variable
2006 (build_constraint_graph): Use graph_size.
2007 (solve_graph): Don't process constraints that cannot change the
2008 solution, don't try to propagate an empty solution to our
2010 (process_constraint): Set directly_dereferenced.
2011 (could_have_pointers): New function.
2012 (get_constraint_for_component_ref): Don't process STRING_CST.
2013 (nonlocal_lookup): New function.
2014 (nonlocal_insert): Ditto.
2015 (create_nonlocal_var): Ditto.
2016 (get_nonlocal_id_for_type): Ditto.
2017 (get_constraint_for): Allow results vector to be empty in the case
2018 of string constants.
2019 Handle results of calls properly.
2020 (update_alias_info): Update alias info stats on number and type of
2022 (find_func_aliases): Use could_have_pointers.
2023 (make_constraint_from_escaped): Renamed from
2024 make_constraint_to_anything, and changed to make constraints from
2026 (make_constraint_to_escaped): New function.
2027 (find_global_initializers): Ditto.
2028 (create_variable_info_for): Make constraint from escaped to any
2029 global variable, and from any global variable to the set of
2031 (intra_create_variable_infos): Deal with escaped instead of
2032 pointing to anything.
2033 (set_uids_in_ptset): Do type pruning on directly dereferenced
2035 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2036 (init_base_vars): Fix comment, and initialize escaped_vars.
2037 (need_to_solve): Removed.
2038 (find_escape_constraints): New function.
2039 (expand_nonlocal_solutions): Ditto.
2040 (compute_points_to_sets): Call find_escape_constraints and
2041 expand_nonlocal_solutions.
2042 (delete_points_to_sets): Don't fall off the end of the graph.
2043 (init_alias_heapvars): Initialize nonlocal_for_type and
2045 (delete_alias_heapvars): Free nonlocal_for_type and null out
2048 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2050 * fold-const.c (add_double): Rename to add_double_with_sign.
2051 Add 'unsigned_p' parameter and take it into account for the overflow.
2052 (mul_double): Rename to mul_double_with_sign.
2053 Add 'unsigned_p' parameter and take it into account for the overflow.
2054 (fold_div_compare): Call add_double_with_sign instead of add_double
2055 and mul_double_with_sign instead of mul_double, passing them the
2056 unsignedness of the type.
2057 * tree.h (add_double): Macroize.
2058 (add_double_with_sign): New prototype.
2059 (mul_double): Macroize.
2060 (mul_double_with_sign): New prototype.
2062 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2064 * config/score/crti.asm: New file.
2065 * config/score/crtn.asm: New file.
2066 * config/score/elf.h: New file.
2067 * config/score/mac.md: New file.
2068 * config/score/misc.md: New file.
2069 * config/score/mul-div.S: New file.
2070 * config/score/predicates.md: New file.
2071 * config/score/score7.md: New file.
2072 * config/score/score.c: New file.
2073 * config/score/score-conv.h: New file.
2074 * config/score/score.h: New file.
2075 * config/score/score.md: New file.
2076 * config/score/score-mdaux.c: New file.
2077 * config/score/score-mdaux.h: New file.
2078 * config/score/score-modes.def: New file.
2079 * config/score/score.opt: New file.
2080 * config/score/score-protos.h: New file.
2081 * config/score/score-version.h: New file.
2082 * config/score/t-score-elf: New file.
2083 * config.gcc: Add score*-*-* configurations(Update before).
2084 * doc/invoke.texi (Score Options): New section.
2085 * doc/md.texi (Score family): New section to document constraints.
2087 2006-10-19 Nick Clifton <nickc@redhat.com>
2089 * config/arm/arm.c: Fix spelling typo.
2091 2006-10-18 Tom Tromey <tromey@redhat.com>
2093 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2095 2006-10-18 Jan Hubicka <jh@suse.cz>
2098 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2101 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2103 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2104 TSI_SAME_STMT, since that's the desired entity.
2106 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2108 * config/s390/contraints.md: New file.
2109 * config/s390/s390-protos.h (s390_mem_constraint,
2110 s390_O_constraint_str, s390_N_constraint_str,
2111 s390_float_const_zero_p): Function prototypes added.
2112 * config/s390/s390.c (s390_extra_constraint_str,
2113 s390_const_double_ok_for_constraint_p,
2114 s390_const_ok_for_constraint_p): Functions removed.
2115 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2116 s390_float_const_zero_p): New functions.
2117 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2118 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2119 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2120 Macro definitions removed.
2121 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2122 s390_extra_constraint_str): Functions removed.
2124 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2125 Richard Sandiford <richard@codesourcery.com>
2128 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2129 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2131 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2133 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2134 (DWARF2_FRAME_REG_OUT): Likewise.
2135 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2136 (DWARF2_FRAME_REG_OUT): Likewise.
2138 2006-10-17 Paul Brook <paul@codesourcery.com>
2140 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2142 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2144 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2145 Standardize on "GNU Fortran" as the official name of the Fortran
2148 2006-10-16 Mike Stump <mrs@apple.com>
2150 * doc/invoke.texi (Darwin Options): Document -mkernel.
2151 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2153 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2154 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2155 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2156 (OS_MISSING_ALTIVEC): Add.
2157 * config/i386/i386.c (override_options): Add
2158 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2159 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2160 -mkernel, -static or -mdynamic-no-pic is given.
2161 (C_COMMON_OVERRIDE_OPTIONS): Add.
2162 * config/darwin.opt (fapple-kext): Add.
2164 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2165 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2167 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2168 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2169 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2170 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2171 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2172 (flag_mkernel): Add.
2173 (flag_apple_kext): Add.
2174 (TARGET_KEXTABI): Add.
2175 * config/darwin.c (darwin_handle_kext_attribute): Add.
2176 (DARWIN_VTABLE_P): Add.
2177 (darwin_binds_local_p): Add partial support for rebinding vtables
2179 (darwin_kextabi_p): Add.
2180 (darwin_override_options): Add.
2181 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2182 (darwin_kextabi_p): Add.
2183 (darwin_override_options): Add.
2184 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2185 __DYNAMIC__ and __STATIC__ here.
2187 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2189 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2190 Added mention of "make pdf" target, and Texinfo requirements for
2193 2006-10-16 DJ Delorie <dj@redhat.com>
2195 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2196 into the GOT in case we need a subreg of the address.
2198 2006-10-16 Richard Guenther <rguenther@suse.de>
2201 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2202 SSE builtin documentation. Document SSE2 builtins.
2204 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2206 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2207 symbol in the output file for non-shared links when -nostdlib or
2208 -nodefaultlibs isn't specified.
2210 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2211 posix thread support.
2213 2006-10-15 Jan Hubicka <jh@suse.cz>
2216 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2217 declared always_inline even when not inlining.
2219 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2220 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2221 Andrew Pinski <pinskia@gmail.com>
2224 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2226 2006-10-15 Jan Hubicka <jh@suse.cz>
2227 Richard Guenther <rguenther@suse.de>
2230 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2231 process_function_and_variable_attributes on all variables, including
2232 those discovered during cgraph construction phase.
2234 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2236 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2238 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2240 * config/i386/athlon.md (athlon_fist): Add fisttp.
2242 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2243 Ian Lance Taylor <ian@airs.com>
2246 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2247 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2250 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2252 * config/score/score.c, config/score/score.h: Fix comment
2255 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2258 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2261 2006-10-13 Eric Christopher <echristo@apple.com>
2263 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2265 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2268 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2269 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2270 alignment supported by 32-bit ELF.
2272 2006-10-13 Eric Christopher <echristo@apple.com>
2274 * config/darwin.c (darwin_emit_unwind_label): Strip
2275 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2277 2006-10-13 Richard Guenther <rguenther@suse.de>
2279 PR tree-optimization/29446
2280 * tree-vrp.c (fix_equivalence_set): Remove.
2281 (extract_range_from_assert): Do not call fix_equivalence_set.
2282 (debug_value_range): Print a newline.
2283 (compare_name_with_value): For equivalence sets with
2284 inconsistent value ranges conservatively bail out.
2285 (compare_names): Likewise.
2287 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2289 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2290 and MPFR for gfortran.
2292 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2294 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2295 alignment supported by 32-bit ELF.
2297 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2301 * c-typeck.c (digest_init): Always allow initializing vectors
2302 that have static storage duration with compound literals.
2303 * tree.c (build_type_attribute_qual_variant): New, based on
2304 build_type_attribute_variant.
2305 (build_type_attribute_variant): Rewrite using the former.
2306 (make_vector_type): Use build_type_attribute_qual_variant to build
2307 type variants. Use type_hash_canon on the others.
2309 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2310 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2312 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2314 2006-10-12 Jan Hubicka <jh@suse.cz>
2317 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2318 current_function_decl is set but current_function_scope is not.
2320 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2322 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2323 emit_insn to emit eh_return_internal instruction.
2324 (eh_return_internal): Explicitly set pc.
2326 2006-10-11 Richard Guenther <rguenther@suse.de>
2328 PR tree-optimization/28230
2329 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2330 to the correct place.
2332 2006-10-11 Richard Guenther <rguenther@suse.de>
2335 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2338 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2340 * configure.ac: Added pdf to "Make-hooks"
2341 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2342 targets and *.pdf file patterns in cleanup targets.
2343 * configure: Regenerated.
2345 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2347 * config/avr/predicates.md: New file.
2348 * config/avr/avr.md: Include it.
2349 (REG_SP): New constant.
2350 (peepholes): Use predicates.
2351 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2352 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2353 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2355 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2357 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2360 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2363 * builtins.c (var_decl_component_p): New function.
2364 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2365 single entry optimization to variables and components thereof.
2367 2006-10-10 Richard Guenther <rguenther@suse.de>
2369 PR rtl-optimization/29323
2370 * except.c (set_nothrow_function_flags): For functions
2371 that do not bind local bail out early.
2373 2006-10-10 Ben Elliston <bje@au.ibm.com>
2375 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2378 2006-10-09 Richard Henderson <rth@redhat.com>
2380 Revert emutls patch.
2382 2006-10-09 Richard Guenther <rguenther@suse.de>
2385 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2388 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2391 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2392 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2393 * configure: Regenerate.
2394 * config.in: Regenerate.
2396 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2398 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2400 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2402 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2403 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2404 Remove stray newline.
2406 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2408 * config/mips/mips.c (mips_classify_symbol): Do not return
2409 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2410 (mips_in_small_data_p): Tweak comments.
2412 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2414 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2416 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2418 * gimplify.c, sched-int.h: Fix comment typos.
2420 * sched-int.h: Fix comment typos.
2422 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2424 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2426 * sched-ebb.c (begin_schedule_ready): Use them.
2427 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2428 add_to_speculative_block, create_check_block_twin, speculate_insn,
2429 fix_jump_move, move_block_after_check): Ditto.
2430 * sched-rgn.c (new_ready): Ditto.
2432 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2434 PR rtl-optimization/29128
2435 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2436 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2437 allow interblock movement of speculation checks.
2439 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2442 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2443 casted to integer type.
2444 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2445 if they are significantly more expensive than [reg + index] ones.
2447 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2449 PR tree-optimization/29330
2450 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2451 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2452 on newly allocated ddrs.
2453 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2454 to VEC (loop_p, heap) pointer.
2455 (compute_data_dependences_for_loop): Adjust caller.
2456 (free_dependence_relations): Free DDR_LOOP_NEST.
2458 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2459 free DEPENDENCE_RELATIONS and DATAREFS.
2462 * builtins.c (expand_builtin_sync_operation,
2463 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2464 Use convert_to_mode to handle promoted arguments.
2466 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2468 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2470 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2472 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2474 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2476 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2477 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2478 Use <modeconstraint> instead of "r" as operand 1 constraint.
2480 2006-10-06 Olivier Hainque <hainque@adacore.com>
2482 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2483 Don't recurse on the pointed-to type.
2484 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2485 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2486 types with components of variable size.
2488 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2490 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2492 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2494 PR tree-optimization/29290
2495 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2499 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2500 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2503 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2504 the number of vector elements fill the rest with zeros.
2506 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2508 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2509 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2512 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2514 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2515 unnamed pattern into subsi3. Use correct constraints/predicates.
2516 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2517 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2519 2006-10-05 Ira Rosen <irar@il.ibm.com>
2521 * doc/loop.texi: Add data references analysis description.
2523 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2525 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2527 2006-10-04 Richard Henderson <rth@redhat.com>
2528 Jakub Jelinek <jakub@redhat.com>
2530 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2531 * builtin-types.def (BT_WORD): Make unsigned.
2532 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2533 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2534 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2535 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2536 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2537 * cgraph.c (decide_is_variable_needed): Look at force_output.
2538 Recurse for emulated tls.
2539 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2540 checks redundant with decide_is_variable_needed.
2541 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2542 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2544 * expr.c (emutls_var_address): New.
2545 (expand_expr_real_1): Expand emulated tls.
2546 (expand_expr_addr_expr_1): Likewise.
2547 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2548 * output.h (emutls_finish): Declare.
2549 * toplev.c (compile_file): Call it.
2550 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2551 address before wrapping in CONST.
2552 * varasm.c (emutls_htab, emutls_object_type): New.
2553 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2554 (get_emutls_object_name, get_emutls_object_type): New.
2555 (get_emutls_init_templ_addr, emutls_decl): New.
2556 (emutls_common_1, emutls_finish): New.
2557 (assemble_variable): When emulating tls, swap decls; generate
2558 constructor for the emutls objects.
2559 (do_assemble_alias): When emulating tls, swap decl and target name.
2560 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2562 * emutls.c: New file.
2563 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2564 tls_object for real tls.
2566 2006-10-04 Zack Weinberg <zackw@panix.com>
2568 Fix bug in constraint-check generator, reported by Rask Ingemann
2570 * genpreds.c (add_constraint): Don't remove anything from the
2572 (write_tm_constrs_h): Detect whether "op" argument is used, and
2573 mark it ARG_UNUSED if it isn't.
2574 (write_insn_const_int_ok_for_constraint): Skip the part of the
2575 expression that would test whether "op" (which is not available
2576 here) is a CONST_INT.
2578 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2581 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2583 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2585 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2586 current Leopard versions.
2587 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2589 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2591 * doc/install.texi: Fix typos.
2593 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2595 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2596 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2597 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2599 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2601 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2602 arg to be struct mach_header_64* instead.
2604 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2607 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2608 side effects after the outer expression's post side effects.
2610 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2612 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2613 comments to reflect actual behavior and relationship between
2614 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2616 * doc/c-tree.texi (Working with declarations): Fix documentation
2617 of FIELD_DECL likewise.
2619 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2622 * doc/extend.texi: Add used variable attribute description.
2624 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2627 * c.opt (Woverride-init): New.
2628 * c-opts.c (c_common_post_options): Default warn_override_init to
2630 * c-typeck.c (add_pending_init, output_init_element): Warn for
2631 overriding initializers without side effects.
2632 * doc/invoke.texi (-Woverride-init): Document.
2635 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2637 PR rtl-optimization/28096
2638 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2639 assignment has already been used as a destination earlier in the block.
2641 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2643 * builtins.c (expand_builtin_setjmp): Delete.
2644 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2645 <BUILT_IN_SETJMP_SETUP>: New case.
2646 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2647 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2648 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2649 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2650 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2651 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2652 (lower_function_body): Initialize it to false. If it is set to true
2653 at the end of the processing, emit the setjmp dispatcher.
2654 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2655 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2656 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2657 on the rhs of the assignment.
2658 (lower_builtin_setjmp): New function.
2659 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2660 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2661 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2662 to detect calls that can go to non-local labels. Use specific
2663 helper to create the abnormal edges associated with them.
2664 <MODIFY_EXPR>: Likewise.
2665 (make_abnormal_goto_edges): New function extracted from...
2666 (make_goto_expr_edges): ...here. Call it for computed gotos.
2667 (simple_goto_p): Minor tweak.
2668 (tree_can_make_abnormal_goto): New predicate.
2669 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2670 (tree_purge_dead_abnormal_call_edges): New function.
2671 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2672 (tree_purge_dead_abnormal_call_edges): Likewise.
2673 (make_abnormal_goto_edges): Likewise.
2674 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2675 Purge all dead abnormal edges if the call was in the last statement.
2676 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2677 (execute_fixup_cfg): If there are non-local labels in the function,
2678 scan the basic blocks and split them at calls that can go to non-local
2679 labels or add missing abnormal call edges. Write down the CFG in the
2681 (pass_fixup_cfg): Remove TODO_dump_func flag.
2682 * unwind-sjlj.c: Poison setjmp.
2683 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2684 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2685 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2686 (DONT_USE_BUILTIN_SETJMP): Document it.
2688 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2691 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2692 to 1 when __ppc64__ is defined.
2693 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2695 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2697 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2699 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2700 * config/ia64/unwind-hpux.c: Delete.
2702 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2704 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2705 on the element before gimplifying it, instead of punting if it is of
2708 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2710 * doc/loop.texi: New file.
2711 * doc/gccint.texi: Reference loop.texi.
2712 * Makefile.in (loop.texi): Add.
2714 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2716 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2718 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2719 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2721 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2723 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2725 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2727 * doc/install.texi: Document required versions of GMP and MPFR.
2729 2006-09-27 Paul Brook <paul@codesourcery.com>
2732 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2734 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2736 * reload1.c (alter_reg): Require the alignment of the stack slot to
2737 be at least reg_max_ref_width bytes.
2738 (scan_paradoxical_subregs): Record the largest width in
2741 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2745 * tree-nested.c (struct nesting_info): Added static_chain_added.
2746 (convert_call_expr): Set static_chain_added when adding static
2747 chain. Handle OMP_PARALLEL and OMP_SECTION.
2749 2006-09-25 Matthias Klose <doko@debian.org>
2751 * doc/invoke.texi: Add missing full stop.
2753 2006-09-25 Richard Henderson <rth@redhat.com>
2755 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2756 before cgraph_function_flags_ready.
2758 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2759 Adam Nemet <anemet@caviumnetworks.com>
2761 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2762 determine_common_wider_type): New functions.
2763 (get_computation_aff): Use them to simplify arithmetic between
2764 UBASE and CBASE if they are shortened from the same type.
2766 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2769 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2770 -2147483647 - 1 instead of 0x80000000.
2772 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2774 * flags.h (HONOR_NANS): Fix typo in comment.
2776 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2778 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2780 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2784 * tree.c (merge_attributes, attribute_list_contained): If both
2785 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2787 * c-typeck.c (comptypes_internal): Don't consider aggregates
2788 in different TUs as compatible if there one set of attributes is
2789 not a subset of the other type's attributes.
2790 (composite_type): Try harder not to create a new aggregate type.
2792 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2794 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2795 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2796 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2797 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2798 than replicating condition above.
2799 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2801 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2802 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2803 the linker by default.
2805 2006-09-22 Mike Stump <mrs@apple.com>
2807 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2810 2006-09-22 Richard Guenther <rguenther@suse.de>
2813 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2814 sort of stack variables stable.
2816 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2819 * explow.c (force_reg): Set REG_POINTER flag according to
2822 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2824 PR tree-optimization/28888
2825 * tree-if-conv.c (combine_blocks): Rewritten.
2826 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2827 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2829 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2831 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2834 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2836 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2838 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2840 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2842 2006-09-21 Roger Sayle <roger@eyesopen.com>
2845 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2846 dw_fde_current_label, to be the start of the function, i.e. the same
2847 value as dw_fde_begin.
2849 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2851 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2852 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2853 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2854 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2855 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2856 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2857 (abs<mode>2, neg<mode>2): Likewise.
2858 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2859 (*mips_abs_ps): New define_insn.
2861 2006-09-20 Josh Conner <jconner@apple.com>
2864 * calls.c (expand_call): Allow reuse of structure return stack
2867 2006-09-20 Paul Brook <paul@codesourcery.com>
2869 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2872 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2874 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2875 clean up terminology.
2877 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2880 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2881 with tablejumps in them.
2883 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2886 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2887 wrap it into TARGET_EXPR.
2889 2006-09-20 Eric Christopher <echristo@apple.com>
2891 * config/i386/i386.c (x86_fisttp): Remove.
2892 * config/i386/i386.h (x86_fisttp): Ditto.
2893 (TARGET_FISTTP): Ditto.
2895 2006-09-19 Eric Christopher <echristo@apple.com>
2897 * doc/tm.texi (OBJC_JBLEN): Describe.
2898 * config/i386/darwin.h (OBJC_JBLEN): Define.
2899 * config/rs6000/darwin.h: Ditto.
2901 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2903 PR rtl-optimization/21299
2904 * reload1.c (reload): Purge invalid ASMs in the final pass.
2906 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2909 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2910 pointers as legitimate constants.
2912 2006-09-19 Paul Brook <paul@codesourcery.com>
2915 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2917 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2919 PR tree-optimization/28887
2920 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2921 component parts from the reference.
2922 (gather_memory_references_ref): Record the reference without the
2923 nonaddressable component parts.
2925 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2928 * c-opts.c (c_common_handle_option): Ignore the -std options
2929 if the input language is assembly.
2931 2006-09-17 Ira Rosen <irar@il.ibm.com>
2934 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2936 (ptr_ptr_may_alias_p): Likewise.
2937 (record_record_differ_p): New function.
2938 (base_object_differ_p): Call record_record_differ_p.
2940 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2943 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2944 away for the expr argument.
2946 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2949 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2950 before using it for dumping after vectorizing loops.
2952 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2953 Jack Howarth <howarth@bromo.med.uc.edu>
2956 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2957 skip on error_mark_node.
2958 (rs6000_darwin64_record_arg_recurse): Likewise.
2960 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2962 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2963 * doc/rtl.texi: Remove related documentation.
2965 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2967 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2970 2006-09-15 Jim Wilson <wilson@specifix.com>
2972 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2973 Handle symbol offsets same as they are handled in ia64_expand_move
2976 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2978 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2979 Add forgotten parameter to the fprintf call.
2981 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2983 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2985 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2987 * doc/contrib.texi: Add my entry.
2989 2006-09-15 Nick Clifton <nickc@redhat.com>
2991 * doc/md.texi (Processor pipeline description): Fix typo in
2992 example of how to use the absence_set directive and reword the
2993 description to make it slightly easier to read.
2995 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2997 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2998 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2999 expanding the number of iterations.
3000 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3002 * cfgrtl.c (emit_insn_at_entry): New function.
3003 * rtl.h (emit_insn_at_entry): Declare it.
3004 * integrate.c (emit_initial_value_sets): Use it.
3006 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3008 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3010 (struct loop_work and related VEC declarations): Delete.
3011 (bfin_dump_loops): Print out new member bad.
3012 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3013 (bfin_scan_loop): Don't recurse.
3014 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3015 loops. No longer need to update outer loops if the current one is
3016 found bad. Move some validitiy checks to bfin_discover_loop.
3017 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3018 but changed not to check for nesting. Also changed to use the new bad
3020 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3021 time. Use bitmap based test to discover loop nesting.
3023 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3025 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3028 2006-09-14 Richard Guenther <rguenther@suse.de>
3029 Kazu Hirata <kazu@codesourcery.com>
3031 PR middle-end/28884.
3032 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3033 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3034 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3035 with TARGET_FUNCTION_VALUE.
3037 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3040 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3042 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3044 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3047 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3050 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3053 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3055 * basic_block.h (bb_has_eh_pred): Fix comment.
3057 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3059 * flow.c (calculate_global_regs_live): Invalidate eh registers
3060 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3061 (propagate_block): Handle eh registers as if they were set at basic
3063 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3065 * global.c (global_conflicts): Make eh registers to conflict with
3066 pseudos live at basic block begin.
3067 * basic_block.h (bb_has_eh_pred): New function.
3069 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3071 PR rtl-optimization/28982
3072 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3073 index of a PRE_MODIFY or POST_MODIFY address.
3074 * reload1.c (inc_for_reload): Use find_replacement on the original
3075 base and index registers.
3077 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3079 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3080 for -Os. Update __m128 alignment requirement.
3082 2006-09-13 Jan Hubicka <jh@suse.cz>
3084 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3086 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3088 PR rtl-optimization/28243
3089 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3090 the insn to which the note was originally attached.
3092 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3093 Roger Sayle <roger@eyesopen.com>
3095 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3096 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3097 on platforms that don't use dwarf for debug info.
3099 2006-09-12 Jason Merrill <jason@redhat.com>
3102 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3103 hard_frame_pointer_rtx after using it to update the frame pointer.
3105 2006-09-12 Roger Sayle <roger@eyesopen.com>
3107 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3108 (TARGET_ASM_CLOSE_PAREN): Likewise.
3109 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3110 (TARGET_ASM_CLOSE_PAREN): Likewise.
3112 2006-09-12 Roger Sayle <roger@eyesopen.com>
3115 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3116 frame information for frames larger than 512 Kbytes on Tru64 when
3117 using the native assembler.
3119 2006-09-12 Roger Sayle <roger@eyesopen.com>
3123 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3124 and symbols. Instead use the implementation from cse.c's hash_rtx.
3126 2006-09-12 Jan Hubicka <jh@suse.cz>
3128 PR rtl-optimization/28071
3129 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3130 (vect_transform_loop): Likewise.
3131 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3132 (new_loop_vec_info): Likewise.
3133 (destroy_loop_vec_info): Likewise.
3134 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3135 (create_stmt_ann): Likewise.
3136 (create_tree_ann): Rename to ...
3137 (create_tree_common_ann): ... this one; allocate only the common part
3139 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3140 (get_value_handle): Likewise.
3141 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3142 get_tree_common_ann.
3143 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3144 (vinfo_for_stmt): Use stmt annotations.
3145 * tree-flow.h (tree_ann_common_t): New type.
3146 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3147 (tree_ann, get_tree_ann, create_tree_ann): New.
3148 * tree-flow-inline.h (get_function_ann): Do more type checking.
3149 (stmt_ann): Likewise.
3150 (tree_ann): Rename to ...
3151 (tree_common_ann): ... this one; return ony common_ann
3152 (get_tree_ann): Rename to ...
3153 (tree_common_ann): This one; return only common_ann.
3154 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3157 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3159 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3160 with_cpu by default.
3162 * dwarf2out.c (dwarf_file_data): New.
3163 (enum dw_val_class): Add dw_val_class_file.
3164 (struct dw_val_struct): Add val_file.
3165 (file_table): Change to a hash table.
3166 (file_table_emitted): Delete.
3167 (file_table_last_lookup_index): Delete.
3168 (emitcount): Delete.
3169 (last_emitted_file): New.
3170 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3171 (init_file_table): Delete.
3172 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3173 (AT_addr): Add comment.
3177 (print_die): Handle dw_val_class_file.
3178 (print_dwarf_line_table): Update for new file table structure.
3179 (attr_checksum): Do checksum a filename.
3180 (same_dw_val_p, same_attr_p): Do compare a filename.
3181 (size_of_die): Handle dw_val_class_file.
3182 (value_format): Likewise.
3183 (output_die): Likewise. Also, call maybe_emit_file here.
3184 (struct file_info): Constify filenames. Make file_idx a pointer
3185 to a struct dwarf_file_data.
3186 (struct dir_info): Constify directory names. Remove 'used' field.
3187 (struct file_name_acquire_data): New.
3188 (file_name_acquire): New.
3189 (output_file_names): Modify to handle new file data structures.
3190 (add_src_coords_attributes): Use add_AT_file.
3191 (add_call_src_coords_attributes): Likewise.
3192 (dwarf2out_imported_module_or_decl): Likewise.
3193 (gen_subprogram_die): Modify for new file data structures.
3194 (gen_variable_die): Likewise.
3195 (file_table_eq): New.
3196 (file_table_hash): New.
3197 (file_table_last_lookup): New.
3198 (lookup_filename): Rewrite to handle new file data structures.
3199 (maybe_emit_file): Rewrite to handle new file data structures.
3200 (dwarf2out_source_line): Always call lookup_filename and
3202 (dwarf2out_init): Create file_table here.
3203 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3204 (file_table_relative_p): New.
3205 (dwarf2out_finish): Change detection of relative filenames
3206 to work with new file data structures. Move output_line_info call
3207 after debug_info output.
3209 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3214 * config/i386/i386.c (override_options): Always default to 16
3215 byte stack boundary.
3217 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3220 * var-tracking.c (dump_dataflow_set): Start dumping at
3222 (clobber_variable_part): Kill only the variable part in
3223 registers holding it, leaving other variables alone.
3225 2006-09-11 Josh Triplett <josh@freedesktop.org>
3227 * doc/extend.texi (Other Builtins): Actually use the macro
3228 argument in the documentation example for
3229 __builtin_types_compatible_p.
3231 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3233 PR rtl-optimization/28726
3234 * sched-deps.c (sched_analyze_reg): New function extracted from...
3235 (sched_analyze_1): ...here. Call it to analyze references to
3236 registers. Treat again writes to a stack register as writing to the
3238 (sched_analyze_2): ...and here. Call it to analyze references to
3239 registers. Treat again reads of a stack register as reading the
3242 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3243 David Edelsohn <edelsohn@gnu.org>
3246 * config/rs6000/spe.md (frob_df_di): Remove %H.
3247 (frob_di_df): Remove %H. Change evmergelo to mr.
3248 (frob_di_df_2): Remove %H. Change evldd to two loads.
3250 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3252 * doc/cpp.texi: Fix names of charset options.
3254 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3257 * config/i386/i386.c (override_options): Use 128-bit
3258 stack boundary always for 64bits.
3260 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3262 PR rtl-optimization/28636
3263 * combine.c (force_to_mode): Test for side-effects before
3264 substituting by zero.
3265 (simplify_shift_const): Likewise for zero or other constants.
3267 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3270 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3273 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3276 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3277 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3278 returned by mode_for_size, rather than the mode of src itself,
3279 to choose between 32-bit and 64-bit patterns.
3280 (mips_mem_fits_mode_p): New function.
3281 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3282 that the size of the source matches the size of the destination.
3283 (mov_<store>l, mov_<store>r): Likewise.
3285 2006-09-10 Eric Christopher <echristo@apple.com>
3287 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3290 2006-09-09 Eric Christopher <echristo@apple.com>
3293 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3296 2006-09-09 Roger Sayle <roger@eyesopen.com>
3297 Nicolas Setton <setton@adacore.com>
3299 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3301 2006-09-10 Andreas Schwab <schwab@suse.de>
3303 * config/m68k/m68k.md (bungt_rev): New pattern.
3305 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3306 Dale Johannesen <dalej@apple.com>
3309 * regclass.c (struct reg_pref): Update documentation.
3310 (regclass): Set prefclass to NO_REGS if memory is the best option.
3311 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3313 2006-09-08 Eric Christopher <echristo@apple.com>
3315 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3316 * config/t-slibgcc-darwin: Support x86_64 multilib.
3317 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3318 Return 1 for x86_64-darwin.
3319 * config/i386/t-darwin: Add m64 multilib.
3320 (LIB2_SIDITI_CONV_FUNCS): Use.
3321 (LIB2FUNCS_EXTRA): Ditto.
3322 * config/i386/darwin.h: Support x86_64.
3323 * config/i386/i386.c (override_options): Turn on flag_pic
3324 for x86_64-darwin. Disable flag_omit_pointer.
3325 (get_pc_thunk_name): Assert !TARGET_64BIT.
3326 (legitimate_address_p): Disable machopic addressing for
3328 (legitimize_pic_address): Ditto.
3329 (ix86_expand_move): Ditto.
3330 (ix86_expand_call): Ditto.
3331 (machopic_output_stub): Ditto.
3332 * config/darwin.c (machopic_select_section): Support literal16.
3333 (machopic_select_rtx_section): Ditto.
3334 * config/darwin-sections.def: Ditto.
3335 * config/darwin-64.c: New.
3337 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3340 * c-tree.h (struct c_arg_info): Add pending_sizes.
3341 * c-parser.c (c_parser_parms_declarator,
3342 c_parser_parms_list_declarator): Initialize pending_sizes.
3343 * c-decl.c (get_parm_info): Initialize pending_sizes.
3344 (get_parm_info): Set pending_sizes.
3345 (grokdeclarator): Call put_pending_sizes for parameters for
3346 function definition only.
3348 2006-09-07 Jason Merrill <jason@redhat.com>
3351 * varasm.c (output_constant): Only strip actual no-op conversions.
3354 * config/i386/i386.c (override_options): Use 128-bit
3355 stack boundary if -msse.
3357 2006-09-07 Eric Christopher <echristo@apple.com>
3359 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3361 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3364 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3366 * dwarf2out.c: Remove strange characters from comment above
3367 dwarf2out_frame_debug_expr.
3369 2006-09-07 Eric Christopher <echristo@apple.com>
3371 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3372 * config/darwin.h: ... to here.
3374 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3376 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3378 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3379 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3381 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3382 TARGET_PARTIAL_FLAG_REG_STALL.
3383 (*ashldi3_cconly_rex64): Likewise.
3384 (*ashlsi3_cmp): Likewise.
3385 (*ashlsi3_cconly): Likewise.
3386 (*ashlsi3_cmp_zext): Likewise.
3387 (*ashlhi3_cmp): Likewise.
3388 (*ashlhi3_cconly): Likewise.
3389 (*ashlqi3_cmp): Likewise.
3390 (*ashlqi3_cconly): Likewise.
3391 (*ashrdi3_cmp_rex64): Likewise.
3392 (*ashrdi3_cconly_rex64): Likewise.
3393 (*ashrsi3_cmp): Likewise.
3394 (*ashrsi3_cconly): Likewise.
3395 (*ashrsi3_cmp_zext): Likewise.
3396 (*ashrhi3_cmp): Likewise.
3397 (*ashrhi3_cconly): Likewise.
3398 (*ashrqi3_cmp): Likewise.
3399 (*ashrqi3_cconly): Likewise.
3400 (*lshrdi3_cmp_rex64): Likewise.
3401 (*lshrdi3_cconly_rex64): Likewise.
3402 (*lshrsi3_cmp): Likewise.
3403 (*lshrsi3_cconly): Likewise.
3404 (*lshrsi3_cmp_zext): Likewise.
3405 (*lshrhi3_cmp): Likewise.
3406 (*lshrhi3_cconly): Likewise.
3407 (*lshrqi2_cmp): Likewise.
3408 (*lshrqi2_cconly): Likewise.
3410 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3413 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3414 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3415 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3416 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3417 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3418 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3419 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3420 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3421 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3422 implement only CC setting effects of shift instructions.
3424 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3426 * doc/contrib.texi: Add myself.
3428 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3431 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3432 was set by the user.
3434 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3437 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3438 (divsi_inv_m1): Use them.
3439 (UNSPEC_DIV_INV_TABLE): New constant.
3441 2006-09-06 James E Wilson <wilson@specifix.com>
3444 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3445 then call count_or_remove_death_notes.
3447 2006-09-06 Jason Merrill <jason@redhat.com>
3450 * tree-inline.c (copy_result_decl_to_var): New fn.
3451 (declare_return_variable): Use it. Call declare_inline_vars here.
3452 (expand_call_inline): Not here.
3454 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3456 * doc/contrib.texi: Update my entry.
3458 2006-09-06 Nick Clifton <nickc@redhat.com>
3460 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3462 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3465 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3466 (canonicalize_induction_variables): Likewise.
3467 (tree_unroll_loops_completely): Likewise.
3468 (tree_ssa_prefetch_arrays): Likewise.
3469 (remove_empty_loops): Likewise.
3470 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3471 TODO_cleanup_cfg instead of directly calling
3472 cleanup_tree_cfg_loop.
3473 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3475 (tree_unroll_loops_completely): Likewise.
3476 (remove_empty_loops): Likewise.
3477 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3478 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3479 of tree_ssa_unswitch_loops.
3480 (tree_ssa_loop_ivcanon): Use the return value of
3481 canonicalize_induction_variables.
3482 (tree_ssa_empty_loop): Use the return value of
3484 (tree_complete_unroll): Use the return value of
3485 tree_unroll_loops_completely.
3486 (tree_ssa_loop_prefetch): Use the return value of
3487 tree_ssa_prefetch_arrays.
3488 * passes.c (execute_todo): Before Cleanup CFG, set
3489 updating_used_alone and after cleanup CFG, call
3490 recalculate_used_alone.
3492 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3495 * tree-vect-transform.c (vectorizable_condition): Move the check
3496 for the type after the check for simple condition.
3498 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3499 Kaz Kojima <kkojima@gcc.gnu.org>
3502 * mode-switching.c (optimize_mode_switching): Make the destination
3503 block of an abnormal edge have no anticipatable mode. Don't
3504 insert mode switching code at the end of the source block of
3507 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3509 PR rtl-optimization/26847
3510 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3511 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3512 (simplify_plus_minus): Count n_constants while filling ops. Replace
3513 qsort with insertion sort. Before going through the array to simplify
3514 pairs, sort it. Delay early exit until after the first sort, exiting
3515 only if no swaps occurred. Simplify pairs in reversed order, without
3516 special-casing the first iteration. Pack ops after simplifying pairs.
3518 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3520 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3521 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3522 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3523 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3525 2006-09-05 Richard Guenther <rguenther@suse.de>
3527 PR tree-optimization/28900
3528 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3529 compound conditional before creating COND_EXPR condition.
3531 2006-09-05 Richard Guenther <rguenther@suse.de>
3533 PR tree-optimization/28905
3534 * tree-vrp.c (fix_equivalence_set): Manually implement
3535 !value_ranges_intersect_p to also handle symbolic ranges.
3537 2006-09-05 Richard Guenther <rguenther@suse.de>
3540 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3543 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3545 PR rtl-optimization/27616
3546 * cse.c (table_size): New static variable.
3547 (new_basic_block): Initialize it to 0.
3548 (remove_from_table): Decrement it.
3549 (insert): Increment it.
3550 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3551 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3552 fold_rtx_mem_1 if under the cap.
3553 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3554 the lookup of the equivalent expression and test for equality of the
3555 first operand of the equivalent expression before in turn looking up
3556 an equivalent constant for the second operand.
3558 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3561 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3562 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3563 pointer, instead of assuming it is possible to derive the
3564 correct args size from a call insn.
3566 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3569 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3570 (fold_builtin_mempcpy): Rename to...
3571 (fold_builtin_memory_op): ... this. Optimize one element copy
3573 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3575 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3576 (expand_builtin_memcpy, expand_builtin_mempcpy,
3577 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3578 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3579 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3580 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3582 2006-09-01 DJ Delorie <dj@redhat.com>
3584 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3585 (stzx_16): Likewise.
3586 ("stzx_24_<mode>"): Likewise.
3587 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3588 ("cmp<mode>_op"): New.
3589 (cmp<mode>): Change to expander; just save operands.
3591 (b<code>): Change to expander, emit compare here.
3592 (s<code>_op): Change to use split and expander.
3593 (s<code>_24_op): Likewise.
3594 (s<code>_<mode>): New.
3595 (s<code>_<mode>_24): New.
3596 (movqicc_<code>_<mode): New.
3597 (movhicc_<code>_<mode>): New.
3600 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3601 (m32c_pend_compare): New.
3602 (m32c_unpend_compare): New.
3603 (m32c_expand_scc): New.
3604 (m32c_expand_movcc): Emit the compare also.
3605 * config/m32c/predicates.md (mra_nopp_operand): New.
3607 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3608 Richard Guenther <rguenther@suse.de>
3609 Adam Nemet <anemet@caviumnetworks.com>
3612 * builtins.c (get_pointer_alignment): Handle more forms
3613 of base addresses that can be used to derive more precise
3614 information about alignment.
3616 2006-09-01 Jason Merrill <jason@redhat.com>
3619 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3622 * gimplify.c (voidify_wrapper_expr): Handle null type.
3624 2006-09-01 Josh Conner <jconner@apple.com>
3627 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3628 (execute_return_slot_opt): Use it.
3630 2006-08-31 Josh Conner <jconner@apple.com>
3633 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3634 returning aggregates.
3636 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3638 PR tree-optimization/28839
3639 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3640 blocks in that phi arguments appear.
3642 2006-08-31 Roger Sayle <roger@eyesopen.com>
3645 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3646 NULL, otherwise use an advance_loc4 to adjust relative to the
3648 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3649 (dwarf2out_switch_text_section): Reset the current label to avoid
3650 using advance_loc4 over section boundaries.
3652 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3655 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3656 r12 + SYMBOLIC_CONST.
3658 2006-08-30 Richard Guenther <rguenther@suse.de>
3660 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3662 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3664 PR rtl-optimization/27735
3665 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3666 Add new argument to keep track of whether an irreducible region
3667 was affected. All callers changed.
3668 (fix_irreducible_loops): Removed.
3669 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3670 flags were invalidated.
3672 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3674 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3675 instead of SF operands.
3676 (*fop_df_comm_sse): Likewise.
3677 (*fop_df_comm_i387): Likewise.
3678 (*fop_df_1_mixed): Likewise.
3679 (*fop_df_1_sse): Likewise.
3681 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3682 J"orn Rennecke <joern.rennecke@st.com>
3684 PR tree-optimization/17506
3685 * tree-ssa.c (warn_uninit): If warning about a location outside of
3686 the current function, note where the variable was declared.
3688 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3690 PR tree-optimization/28411
3691 * double-int.c (double_int_div): Use double_int_divmod.
3692 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3693 double_int_mod, double_int_smod, double_int_umod): New functions.
3694 * double-int.h (double_int_divmod, double_int_sdivmod,
3695 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3697 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3699 (get_computation_aff, get_computation_cost_at): Handle double_int
3700 return type of constant_multiple_of.
3702 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3705 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3706 an implicit conversion.
3708 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3710 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3712 2006-08-27 Roger Sayle <roger@eyesopen.com>
3714 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3717 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3719 * config/i386/crtfastmath.c: Fix a comment typo.
3721 2006-08-26 Roger Sayle <roger@eyesopen.com>
3723 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3724 temporary visit flags on CASE_LABEL_EXPRs.
3725 * c-common.c (match_case_to_enum): Add function comment. Avoid
3726 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3727 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3728 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3729 a constant, only warn if that constant value isn't handled.
3731 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3734 * input.h (restore_input_file_stack): Declare.
3735 (INPUT_FILE_STACK_BITS): Define.
3736 * toplev.c (fs_p, input_file_stack_history,
3737 input_file_stack_restored, restore_input_file_stack): New.
3738 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3739 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3740 (pop_srcloc): Don't free old state of stack.
3742 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3745 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3746 (PowerPC Type Attributes): New.
3748 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3750 * config/xtensa/xtensa.c (function_arg_boundary): New.
3751 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3753 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3754 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3756 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3759 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3762 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3764 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3765 (verify_local_live_at_start): Likewise.
3767 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3770 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3771 omp_add_variable): Treat sizes as variable whenever not
3774 2006-08-26 Richard Guenther <rguenther@suse.de>
3777 * fold-const.c (fold_binary): Fold temporary to correct
3778 type before constructing new comparison.
3780 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3783 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3784 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3786 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3789 * c-decl.c (start_function): Don't try to process prototype
3790 information from old declaration that isn't a function.
3792 2006-08-25 Jan Hubicka <jh@suse.cz>
3795 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3797 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3800 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3803 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3805 PR tree-optimization/16876
3806 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3807 exit if PARM doesn't match VALUE.
3809 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3811 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3812 literal_prefix directive.
3813 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3814 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3815 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3817 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3820 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3821 predicate to general_operand. Add 0->y and I->r alternatives.
3823 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3825 * doc/tm.texi: Fix a typo.
3826 * predict.c: Fix comment typos.
3828 2006-08-25 Nick Clifton <nickc@redhat.com>
3830 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3831 assertions of "cpu" and "machine".
3833 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3836 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3837 the access through a base which has an alias set of 0 cannot
3840 2006-08-24 Bill Wendling <wendling@apple.com>
3842 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3844 2006-08-24 Jan Hubicka <jh@suse.cz>
3846 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3848 2006-08-24 Jan Hubicka <jh@suse.cz>
3851 * cgraph.c: Fix comments.
3852 (cgraph_varpool_mark_needed_node): Mark only variables not already
3854 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3855 (cgraph_varpool_assembled_nodes_queue): New static variable.
3856 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3857 (cgraph_varpool_output_debug_info): New function.
3858 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3859 * Makefile.in: Add gt-cgraphunit.h
3861 2006-08-24 Jan Hubicka <jh@suse.cz>
3863 * predict.c (probability_reliable_p): New predicate.
3864 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3865 (predict_loops): Do not predict loop exit with less than 2%
3867 * basic-block.h (edge_probability_reliable_p,
3868 br_prob_note_reliable_p): Declare.
3869 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3870 prediction when static predictor is not reliable.
3871 * rs6000.c (output_cbranch): Likewise.
3873 2006-08-23 Stuart Hastings <stuart@apple.com>
3876 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3877 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3879 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3882 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3883 complex values, nor for generic vector values.
3885 2006-08-22 Richard Guenther <rguenther@suse.de>
3888 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3889 parameter. Convert arguments to arithmetic expression to the
3891 (analyze_scalar_evolution_1): Adjust caller.
3893 2006-08-22 Jan Hubicka <jh@suse.cz>
3895 Patch by Paolo Bonzini
3896 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3899 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3901 PR tree-optimization/28003
3902 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3903 before grouping aliases.
3905 2006-08-22 Roger Sayle <roger@eyesopen.com>
3907 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3908 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3910 2006-08-21 Jason Merrill <jason@redhat.com>
3913 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3914 wrapper. Loop to handle nested wrappers.
3915 (gimplify_bind_expr): Remove temp parameter.
3916 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3917 and STATEMENT_LIST on the rhs.
3918 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3919 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3920 (gimplify_target_expr): Remove special BIND_EXPR handling.
3922 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3924 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3927 2006-08-21 Olivier Hainque <hainque@adacore.com>
3929 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3930 Arrange for the temporary captures of components overlapping the lhs
3931 to happen before the lhs is possibly cleared.
3933 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3935 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3936 necessary places to pass the correct "number of registers" values
3939 2006-08-20 Jan Hubicka <jh@suse.cz>
3941 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3942 (create_name_tags): Instead of quadratic checking use hashtable.
3943 * bitmap.h: Include hashtab.h.
3944 (bitmap_hash): Declare.
3945 * bitmap.c (bitmap_hash): New function.
3947 2006-08-20 Jan Hubicka <jh@suse.cz>
3949 PR rtl-optimization/28071
3950 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3952 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3953 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3954 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3955 cgraph_decide_inlining_incrementally): Update use of
3956 cgraph_check_inline_limits.
3957 * cgraph.c (edge_hash, edge_eq): New function.
3958 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3959 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3960 cgraph_remove_node): Maintain call site hash.
3961 * cgraph.h (struct cgraph_node): Add call_site_hash.
3962 (cgraph_set_call_stmt): New function.
3964 2006-08-20 Jan Hubicka <jh@suse.cz>
3966 PR rtl-optimization/28071
3967 * reload1.c (reg_has_output_reload): Turn into regset.
3968 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3969 choose_reload_regs, emit_reload_insns): Update to new
3970 reg_has_output_reload.
3972 2006-08-20 Jan Hubicka <jh@suse.cz>
3975 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3976 function body sizes.
3977 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3979 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3982 * tree.c (handle_dll_attribute): Return early if not a
3983 var or function decl.
3985 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3988 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3989 alignment of SPE vector types.
3991 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3993 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3995 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3998 * cgraph.h (struct cgraph_node): Remove externally_visible
4000 * cgraphunit.c (process_function_and_variable_attributes): Set
4001 local.externally_visible rather than externally_visible.
4004 * c-common.c (handle_externally_visible_attribute): First look
4005 at TREE_CODE and only if it is function or var decl, check for
4006 non-public objects. Don't warn for DECL_EXTERNAL.
4007 * cgraphunit.c (process_function_and_variable_attributes): Warn
4008 if externally_visible attribute is used on non-public object.
4010 2006-08-17 Jan Hubicka <jh@suse.cz>
4012 PR tree-optimization/27865
4013 * reload1.c (forget_marked_reloads): New function.
4014 (forget_old_reloads_1): When data are passed, just mark the registers
4016 (reload_as_needed): Use the new mechanizm.
4018 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4021 * reload.h (reg_equiv_alt_mem_list): New declaration.
4022 * reload1.c (reg_equiv_alt_mem_list): New definition.
4023 (reload): Initialize it and release it.
4024 (delete_output_reload): Use it.
4025 * reload.c (push_reg_equiv_alt_mem): New function.
4026 (find_reloads_toplev): Call it.
4027 (find_reloads_address, find_reloads_address_1): Likewise.
4028 (find_reloads_subreg_address): Likewise.
4030 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4032 PR rtl-optimization/28489
4033 * sched-ebb.c (begin_schedule_ready): Create basic block
4035 (advance_target_bb): Skip empty blocks.
4036 * haifa-sched.c (bb_note): Make global.
4037 * sched-int.h (bb_note): Add prototype.
4039 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4041 PR tree-optimization/27865
4042 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4044 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4045 fold_used_pointer, pointer_used_p): New functions.
4046 (analyze_scalar_evolution_1): Use fold_used_pointer.
4047 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4048 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4051 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4054 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4055 or the INTEGER_CST. Fail on a CALL_EXPR.
4056 (fold_offsetof): Pass new argument to fold_offsetof_1.
4057 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4058 operand into an INDIRECT_REF.
4059 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4061 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4063 PR gcov/profile/26570
4064 * value-prof.c (static_values): Removed.
4065 (tree_find_values_to_profile): Do not set static_values.
4066 (find_values_to_profile): Do not free static_values.
4067 * profile.c (instrument_values): Do not free the values.
4068 (branch_prob): Free the values.
4070 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4072 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4074 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4077 * c-typeck.c (build_component_ref): Combine qualifiers of
4078 structure or union and field.
4080 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4082 PR rtl-optimization/28071
4083 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4084 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4085 * tree-into-ssa.c (struct dom_dfsnum): New.
4086 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4088 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4089 compute_global_livein.
4090 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4091 in phi nodes in the correct blocks.
4093 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4095 PR tree-optimization/28364
4096 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4098 (fold_affine_expr): New function.
4099 (may_eliminate_iv): Use fold_affine_expr.
4101 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4104 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4107 2006-08-16 Mike Stump <mrs@apple.com>
4109 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4110 * doc/cppopts.texi (-MD): Likewise.
4112 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4115 * c-common.c (handle_weak_attribute): Ignore and warn if
4116 not a FUNCTION_ or VAR_DECL.
4118 2006-07-15 Mike Stump <mrs@apple.com>
4121 * c-parser.c (c_parser_typeof_specifier): Don't use
4122 c_finish_expr_stmt, open code desired semantics instead.
4124 2006-08-15 Nick Clifton <nickc@redhat.com>
4126 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4127 fragment to tmake_file only if threads are enabled.
4128 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4129 * config/i386/t-gthr-win32: New file. ... here.
4131 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4134 * c-parser.c (c_parser_compound_statement_nostart): Reset
4135 parser->error after each statement.
4137 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4140 * omp-low.c (lower_omp_parallel): Convert t to
4141 receiver_decl's type.
4142 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4143 source before comparison.
4146 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4147 to itype in assignment to oldival2.
4149 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4153 * c-typeck.c (build_compound_expr): If the second expression
4154 is an error mark, then just return an error mark instead of
4155 creating a COMPOUND_EXPR.
4157 2006-07-14 Mike Stump <mrs@apple.com>
4159 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4161 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4163 * c-decl.c, var-tracking.c: Fix comment typos.
4165 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4167 PR rtl-optimization/28634
4168 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4169 for floating-point modes unless flag_unsafe_math_optimizations.
4171 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4172 Andrew Pinski <pinskia@physics.uc.edu>
4175 * tree.c (build_array_type): Unify array types with
4176 unspecified index_type.
4177 * c-decl.c (grokdeclarator): Make sure we do not modify a
4178 unified incomplete array type.
4179 * c-typeck.c (store_init_value): Create distinct type before
4180 filling in the index type in an initializer from a compound
4183 * c-decl.c (grokdeclarator): Remove code where we copy the
4186 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4188 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4189 into account for TODO_dump_cgraph.
4190 (TODO_update_ssa_no_phi): Likewise.
4191 (TODO_update_ssa_full_phi): Likewise.
4192 (TODO_update_ssa_only_virtuals): Likewise.
4193 (TODO_remove_unused_locals): Likewise.
4194 (TODO_set_props): Likewise.
4195 (TODO_update_stmt_usage): Likewise.
4197 2006-08-13 Dirk Mueller <dmueller@suse.de>
4199 * c-common.c (strict_aliasing_warning): Fix formatting.
4201 2006-08-13 Matthias Klose <doko@debian.org>
4203 * doc/invoke.texi: Fix spelling errors.
4205 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4207 PR rtl-optimization/23454
4208 * reorg.c (relax_delay_slots): Update comment.
4210 2006-08-11 Richard Guenther <rguenther@suse.de>
4213 * simplify-rtx.c (simplify_const_relational_operation):
4214 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4217 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4219 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4220 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4222 2006-08-10 Paul Brook <paul@codesourcery.com>
4224 * final.c (final_scan_insn): Clear current_insn_predicate before
4225 outputting inline asm.
4227 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4229 PR tree-optimization/26197
4230 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4231 get_ref_base_and_extent and overlap_subvar to add only relevant
4232 subvars as may-aliases.
4233 (add_may_alias_for_new_tag): New function, factored out of
4235 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4236 with additional argument.
4237 * tree-flow.h (new_type_alias): Takes additional argument.
4239 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4241 * gcov.c (no_data_file): New flag.
4242 (read_count_file): Set it if data file not present. Assume counts
4244 (output_lines): Don't name the data file, if there wasn't one.
4246 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4248 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4249 (rs6000_generate_compare): Tweak comments.
4250 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4252 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4254 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4255 (var_debug_decl): New function.
4256 (var_reg_set): Follow debug decl link. Add location even if
4257 reg is already known to hold some other variable.
4258 (var_mem_set): Follow debug decl link.
4259 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4260 decl link. Delete other known locations of the variable part
4262 (var_reg_delete, var_mem_delete): Delete other known locations
4263 of the variable part if requested.
4264 (same_variable_part_p): New function.
4265 (add_stores): Select MO_COPY when appropriate.
4266 (vt_initialize): Handle it.
4267 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4268 known locations for MO_SET and MO_CLOBBER.
4269 (find_variable_location_part): New function.
4270 (set_variable_part, delete_variable_part): Use it.
4271 (clobber_variable_part): New function.
4272 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4275 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4277 PR tree-optimization/26969
4278 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4279 with an empty list of PHIs.
4281 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4285 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4288 2006-08-06 Andreas Schwab <schwab@suse.de>
4290 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4291 string. Whitespace and comment fixup.
4293 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4296 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4300 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4303 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4305 2006-08-04 Jan Hubicka <jh@suse.cz>
4309 * reload.c (push_reload): Patch out the mismatching instruction;
4311 (find_reload): Bail out if the instruction was patched out.
4313 2006-08-04 Jan Hubicka <jh@suse.cz>
4315 PR tree-optimization/24888
4316 * tree-inline.c (expand_call_inline): Do not re-record variables.
4317 (declare_inline_vars): Add variable to unexpanded_var_list.
4319 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4320 Roger Sayle <roger@eyesopen.com>
4322 PR rtl-optimization/26244
4323 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4324 inner_const are negative or greater than or equal to the bitsize of
4325 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4326 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4327 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4328 CONST0_RTX (mode) when the new shift count is greater than or equal to
4329 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4332 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4334 * tree-cfg.c: Fix a comment typo.
4336 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4339 * varasm.c (output_constant): Give the front end another chance to
4340 expand constants, after stripping NOPs.
4342 2006-08-03 Jan Hubicka <jh@suse.cz>
4344 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4347 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4349 PR tree-optimization/27770
4350 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4351 declaration removed (moved to tree-flow.h).
4352 (vect_can_force_dr_alignment_p): Likewise.
4353 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4354 (moved from tree-vectorizer.h).
4355 (vect_can_force_dr_alignment_p): Likewise.
4356 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4357 from outside the vectorizer - in particular from cgraph stage.
4358 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4359 the alignment of global arrays when -fsection-anchors is enabled.
4360 * cgraphunit.c (cgraph_increase_alignment): New function.
4361 (cgraph_optimize): Call cgraph_increase_alignment.
4363 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4366 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4367 not reload a SPE symbol_ref into a lo_sum address.
4369 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4372 * dwarf2out.c (prune_unused_types_prune): Move call to
4373 prune_unused_types_update_strings to cover the parent DIE also.
4375 2006-08-02 Jan Hubicka <jh@suse.cz>
4377 PR gcov/profile/28480
4378 * tree-cfg.c (change_bb_for_stmt): New function.
4379 (tree_merge_blocks, tree_split_blocks): Use it.
4381 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4387 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4388 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4389 (cgraph_optimize): Likewise.
4391 2006-08-01 Stuart Hastings <stuart@apple.com>
4393 * rtl.h (UINTVAL) New.
4394 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4395 * testsuite/gcc.dg/20060801-1.c: New.
4397 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4400 * c-typeck.c (build_external_type): Mark used enum types.
4401 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4403 (gen_subprogram_die): Whitespace fix.
4405 2006-08-01 Jan Hubicka <jh@suse.cz>
4407 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4408 bitmap when not needed.
4409 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4412 2006-08-01 Dirk Mueller <dmueller@suse.de>
4414 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4416 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4418 * Makefile.in: Revert part of previous patch:
4419 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4422 2006-07-30 Eric Christopher <echristo@apple.com>
4425 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4426 (PowerPC Variable Attributes): New section.
4428 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4430 PR target/28126 (partial fix)
4431 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4433 2006-07-28 Jan Hubicka <jh@suse.cz>
4435 PR rtl-optimization/28071
4436 * cfgrtl.c (rtl_delete_block): Free regsets.
4437 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4439 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4441 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4442 and variables used in dependencies.
4444 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4446 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4447 %fs for -mcmodel=kernel.
4448 (stack_tls_protect_test_di): Likewise.
4450 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4452 * Makefile.in: Use mkinstalldirs.
4454 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4457 * opts-common.c (prune_options): Skip joined switches.
4459 2006-07-27 Jan Hubicka <jh@suse.cz>
4461 PR rtl-optimization/28071
4462 * cselib.c (cselib_process_insn): Don't remove useless values too
4463 often for very large hashtables.
4465 2006-07-27 Jan Hubicka <jh@suse.cz>
4467 PR rtl-optimization/28071
4468 * global.c (greg_obstack): New obstack.
4469 (allocate_bb_info): Use it.
4470 (free_bb_info): Likewise.
4471 (modify_reg_pav): Likewise.
4473 2006-07-27 Roger Sayle <roger@eyesopen.com>
4475 * builtins.c (fold_fixed_mathfn): When long and long long are the
4476 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4477 functions to their lceil*, lfloor*, lround* and lrint* forms.
4479 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4482 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4484 (rev_branch_insn): Likewise.
4486 2006-07-27 Jan Hubicka <jh@suse.cz>
4488 PR rtl-optimization/28071
4489 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4490 (reg_set_in_bb, max_reg_computed): New static variables.
4491 (regmove_optimize): Free the new array.
4492 (fixup_match_1): Update call of reg_is_remote_constant_p.
4494 2006-07-26 Jan Hubicka <jh@suse.cz>
4496 PR tree-optimization/27882
4497 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4499 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4501 (cgraph_analyze_compilation_unit): Likewise.
4502 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4503 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4504 (cgraph_early_inlinine): Make order garbage collected.
4505 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4507 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4509 * dbxout.c (output_types_sort): Add a comment.
4510 (output_used_types): Free the VEC.
4512 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4514 * function.c (reorder_fix_fragments): Delete.
4515 (reorder_blocks): Don't call it.
4516 (reorder_blocks_1): Put all subblocks under the origin block.
4518 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4520 PR rtl-optimization/27907
4521 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4524 2006-07-25 Roger Sayle <roger@eyesopen.com>
4527 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4528 bar(x) check that bar's result type can represent all the values of T.
4530 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4532 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4534 2006-07-25 Nick Clifton <nickc@redhat.com>
4536 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4537 size_lookup[] array.
4538 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4539 (ggc_pch_count_object): Likewise.
4540 (ggc_pch_alloc_object): Likewise.
4541 (ggc_pch_write_object): Likewise.
4542 (init_ggc): Do not attempt to initialize entries in the
4543 size_lookup[] array for objects whose size is greater than than
4544 the length of the array.
4546 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4548 * dbxout.c (output_used_types_helper): Push queued types
4550 (output_types_sort): New.
4551 (output_used_types): Collect used types on a VEC and sort them
4554 2006-07-24 Richard Guenther <rguenther@suse.de>
4557 * cgraph.c (cgraph_remove_node): Do not check if dumps
4559 * cgraphunit.c (cgraph_optimize): Likewise.
4561 2006-07-24 Jan Hubicka <jh@suse.cz>
4563 PR rtl-optimization/28071
4564 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4565 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4566 splitting before first stmt.
4568 2006-07-24 Jan Hubicka <jh@suse.cz>
4570 PR rtl-optimization/28071
4571 * ipa-inline.c (update_caller_keys): Remove edges that
4572 are no longer inline candidates.
4574 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4577 * dbxout.c (output_used_types_helper, output_used_types): New.
4578 (dbxout_symbol): Call output_used_types.
4580 2006-07-23 Jan Hubicka <jh@suse.cz>
4584 * cgraph.c (cgraph_varpool_nodes): Export.
4585 (decide_is_variable_needed): Ignored "used" attribute in
4586 unit-at-a-time mode.
4587 * cgraph.h (cgraph_varpool_nodes): Declare.
4588 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4589 unit-at-a-time mode.
4591 2006-07-23 Roger Sayle <roger@eyesopen.com>
4594 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4595 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4596 the __gthrw form of thr_keycreate.
4597 (__gthread_key_delete): Silence the unused argument warning.
4599 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4602 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4603 Cache the last found '\0' marker to avoid quadratic behavior.
4605 2006-07-23 Jan Hubicka <jh@suse.cz>
4607 * i386.md (subsi_3_zext): Fix output template.
4609 2006-07-21 Mike Stump <mrs@apple.com>
4611 * doc/invoke.texi (C++ Dialect Options): Note that
4612 -fvisibility-inlines-hidden doesn't affect explicitly
4613 instantiationed inline methods.
4615 2006-07-20 Roger Sayle <roger@eyesopen.com>
4617 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4618 if the target assembler is GNU binutils' gas.
4619 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4620 whether to pass GNU gas or native as command line options.
4622 2006-07-20 Jason Merrill <jason@redhat.com>
4624 * tree.c (remove_attribute): New fn.
4625 * tree.h: Declare it.
4627 2006-07-20 Paul Brook <paul@codesourcery.com>
4630 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4631 they are invalidated by this instruction.
4633 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4636 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4638 2006-07-20 Eric Christopher <echristo@apple.com>
4641 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4643 2006-07-19 Eric Christopher <echristo@apple.com>
4645 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4646 Rewrite dependencies for libgcc_s.1.dylib.
4648 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4650 * except.c (duplicate_eh_regions_1): Clear next_peer.
4652 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4654 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4655 -mlongcall does not guarantee all calls will be long.
4656 * doc/extend.texi (long_call/short_call): Document that longcall
4657 does not guarantee a long call will be used.
4658 (longcall/shortcall): Likewise.
4660 2006-07-18 Roger Sayle <roger@eyesopen.com>
4663 * expmed.c (expand_shift): Additionally check that the shift_cost
4664 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4665 before implementing a LSHIFT_EXPR as a sequence of additions.
4666 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4667 middle-end that DImode shifts need to be synthesized by expand.
4669 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4672 * tree-ssa-operands.c (access_can_touch_variable): Update
4674 Return true if ALIAS is .GLOBAL_VAR.
4676 2006-07-18 David Daney <ddaney@avtrex.com>
4678 * gcc.c (display_help): Fix typo in help text.
4680 2006-07-18 Olivier Hainque <hainque@adacore.com>
4682 * tree.h (categorize_ctor_elements): Adjust prototype and add
4683 descriptive comment, both in accordance with the interface change
4685 * varasm.c (constructor_static_from_elts_p): New function.
4686 Whether a constructor node is a valid static constant initializer
4687 if all its elements are.
4688 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4689 * output.h: Declare it.
4690 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4691 is a valid constant initializer instead of computing the number of
4692 non-constant elements. Use constructor_static_from_elts_p for this
4693 purpose. Replace the head comment with an indication that this is a
4694 helper for categorize_ctor_elements.
4695 (categorize_ctor_elements): Same interface change as for the _1
4696 helper. Former head comment from this helper moved here, adjusted to
4697 account for the interface changes.
4698 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4699 (all_zeros_p): Likewise.
4700 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4701 static versions of the constructor from the categorize_ctor_elements
4702 return value instead of the formerly computed number of non-constant
4705 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4707 * configure: Regenerate.
4708 * Makefile.in (build_libsubdir): New configure substitution
4709 (build_libobjdir): New variable.
4710 (BUILD_LIBIBERTY): Use it.
4712 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4715 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4717 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4720 * c-common.c (handle_weakref_attribute): Ignore attribute in
4721 the same conditions the alias attribute is ignored.
4723 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4725 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4726 (dbxout_begin_prologue): Increment scope_labelno.
4728 2006-07-17 Richard Henderson <rth@redhat.com>
4731 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4734 2006-07-17 Roger Sayle <roger@eyesopen.com>
4735 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4737 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4738 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4739 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4740 functions such as sbrk, write, etc.. Add function prototypes.
4741 Convert function declarations from K&R to ISO C. Cast pointers
4742 to "long" and "unsigned long" instead of "int" and "unsigned int".
4743 Convert tokens following #endif into comments.
4745 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4747 * invoke.texi: Remove mention of f77; Reformat table for
4748 inline parameter options correctly; mention that -malign-double
4749 is default on x86-64 targets.
4751 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4753 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4754 (convert_affine_scev, chrec_convert_aggressive): Use
4755 avoid_arithmetics_in_type_p. Do not check for the subtypes
4758 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4761 * optabs.c (expand_doubleword_shift): Wrap the call to
4762 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4764 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4767 * optabs.c (expand_binop): Pass next_methods rather than methods
4768 to expand_doubleword_shift.
4770 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4773 * tree.h (dump_addr): Declare.
4774 * print-tree.c (dump_addr): New function.
4775 (print_node_brief, print_node): Use it.
4776 * print-rtl.c (print_rtx): Likewise.
4777 * common.opt (-fdump-noaddr): New option.
4778 * doc/invoke.texi (-fdump-noaddr): Document.
4779 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4780 (ve_info_hash): Likewise.
4782 2006-07-13 Andrew Haley <aph@redhat.com>
4784 PR tree-optimization/19505
4785 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4786 edge leaving this block, make sure that the destination of this
4787 block has only one predecessor.
4789 2006-07-17 Richard Guenther <rguenther@suse.de>
4791 PR tree-optimization/28238
4792 * tree-inline.c (copy_bb): Check if we produced valid
4793 gimple copying and substituting a stmt. If not, gimplify
4796 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4798 * optabs.c (maybe_encapsulate_block): New function extracted from...
4799 (emit_libcall_block): ...here. Invoke it on the block of insns to
4800 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4801 (emit_no_conflict_block): Likewise.
4803 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4805 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4807 2006-07-15 Roger Sayle <roger@eyesopen.com>
4809 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4810 a new NOP_EXPR case of the switch statement.
4812 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4815 * stor-layout.c (place_field): Take the bit field with
4816 an excessive size into account in the ms-bitfiled case.
4819 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4820 the previous bit field.
4822 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4825 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4827 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4829 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4830 signal frames correctly even when the signal was installed with
4833 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4835 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4836 (dbxout_function_end): Use local label LFBB. Remove hook
4838 (dbxout_source_line): Use local label LFBB.
4839 (dbxout_block): Likewise.
4840 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4841 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4842 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4843 and DBX_OUTPUT_NFUN.
4845 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4847 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4849 2006-07-13 Jan Hubicka <jh@suse.cz>
4851 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4853 * output.h (align_variable): Declare.
4854 * varasm.c (align_variable): Export.
4855 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4856 when basic block changed.
4858 2006-07-13 Nick Clifton <nickc@redhat.com>
4860 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4861 walking the LOG_LINKS chain.
4863 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4865 * doc/invoke.texi (C++ Dialect Options): Explain difference
4866 between -fvisibility-inlines-hidden and setting hidden
4867 visibility explicitly.
4869 2006-07-12 Eric Christopher <echristo@apple.com>
4871 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4872 (stmp-lipo): Depend on libgcc.a.
4874 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4876 * tree.c: Fix a comment typo.
4878 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4880 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4882 (umulhisi3_r): Likewise.
4884 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4887 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4888 x < 19, vs wchar_t support.
4890 2006-07-12 Nick Clifton <nickc@redhat.com>
4892 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4893 instead of -isa=sh4.
4895 2006-07-12 Mike Stump <mrs@apple.com>
4897 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4899 2006-07-10 Eric Christopher <echristo@apple.com>
4901 * config/t-slibgcc-darwin: Rewrite.
4903 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4906 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4909 2006-07-08 Matthias Klose <doko@debian.org>
4911 * doc/sourcebuild.texi: Fix typo.
4913 2006-07-07 Mike Stump <mrs@apple.com>
4915 * toplev.c (process_options): Don't give -ffunction-sections may
4916 affect debugging warning for Mach-O.
4918 2006-07-07 James E Wilson <wilson@specifix.com>
4920 * config/mips/mips.md (cpu): Add sb1a.
4921 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4922 addition to sb1. Adjust comments to clarify SB-1A differences from
4924 (ir_sb1a_load): New. Modify bypasses to use it.
4925 (ir_sb1a_simple_alu): Likewise.
4926 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4927 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4928 (mips_issue_rate): Add PROCESSOR_SB1A.
4929 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4930 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4931 (TARGET_SB1): Add PROCESSOR_SB1A check.
4932 (TUNE_SB1): Likewise.
4934 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4935 * config/mips/mips.c (mips_store_data_bypass_p): New.
4936 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4937 store_data_bypass_p.
4939 2006-07-08 Paul Brook <paul@codesourcery.com>
4942 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4944 2006-07-07 Richard Guenther <rguenther@suse.de>
4947 * tree.h (build_one_cst): Declare.
4948 * tree.c (build_one_cst): New function.
4949 * tree-ssa-math-opts.c (get_constant_one): Remove.
4950 (insert_reciprocals): Use build_one_cst.
4951 * fold-const.c (fold_plusminus_mult): Likewise.
4953 2006-07-07 Roger Sayle <roger@eyesopen.com>
4955 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4956 * cfgloopanal.c (dump_graph): Likewise.
4957 * dojump.c (discard_pending_stack_adjust): Likewise.
4958 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4960 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4961 * function.c (finalize_block_changes): Likewise.
4962 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4963 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4964 * rtl.c (dump_rtx_statistics): Likewise.
4965 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4967 * varray.c (dump_varray_statistics): Likewise.
4968 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4969 decode_decimal64, encode_decimal128, decode_decimal128,
4970 decimal_real_to_decimal): Likewise.
4972 2006-07-07 Richard Guenther <rguenther@suse.de>
4974 PR tree-optimization/28187
4975 * tree-vrp.c (vrp_operand_equal_p): New function.
4976 (vrp_bitmap_equal_p): Likewise.
4977 (update_value_range): Use them to compare old and new
4980 2006-07-06 Roger Sayle <roger@eyesopen.com>
4982 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4983 a default case to switch statement to silence compiler warnings.
4985 2006-07-06 Roger Sayle <roger@eyesopen.com>
4988 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4989 the configured assembler supports the x87's ffreep mnemonic.
4990 * configure: Regenerate.
4991 * config.in: Regenerate.
4993 * config/i386/i386.c (output_387_ffreep): New function.
4994 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4995 (output_387_reg_move): Likewise.
4997 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4999 Port to hosts whose 'sort' and 'tail' implementations
5000 treat operands with leading '+' as file names, as POSIX
5001 has required since 2001. However, make sure the code still
5002 works on pre-POSIX hosts.
5003 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5004 which says you should use "tail -c +N" rather than "tail +Nc".
5005 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5007 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5009 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5012 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5015 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5016 PRE_{INC,DEC} of TFmode.
5018 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5019 Alan Modra <amodra@bigpond.net.au>
5022 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5025 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5028 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5029 Remove duplicate gtu.
5031 2006-07-05 Jason Merrill <jason@redhat.com>
5035 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5036 * c-common.c (handle_packed_attribute): So don't copy it here.
5037 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5039 2006-07-05 Mike Stump <mrs@apple.com>
5041 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5043 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5046 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5048 2006-07-05 Richard Guenther <rguenther@suse.de>
5051 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5052 TARGET_SSE2 targets if using SSE math.
5053 (*absdf2_1): Likewise.
5055 2006-07-05 Richard Guenther <rguenther@suse.de>
5057 PR tree-optimization/28162
5058 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5059 make sure to convert the operands to the correct type.
5061 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5063 PR tree-optimization/28218
5065 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5066 to calculate and free the dominator information.
5068 2006-07-04 Peter O'Gorman <peter@pogma.com>
5070 * mklibgcc.in: chmod 644 before ranlib during install.
5072 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5073 J"orn Rennecke <joern.rennecke@st.com>
5075 * configure.ac (.eh_frame data check): Use diff -b.
5077 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5080 * Makefile.in (BUILD_RTL): Add build/vec.o.
5081 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5082 (build/genextract): Delete.
5083 (build/genautomata): Likewise.
5085 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5088 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5089 128-bit IBM long doubles for ABI_V4.
5091 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5093 * tree.c (range_in_array_bounds_p): New predicate.
5094 * tree.h (range_in_array_bounds_p): Declare it.
5095 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5096 return a less conservative answer.
5097 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5098 and flag 'is_group'.
5099 (IS_ELEMENT_FOR_GROUP): New macro.
5100 (FOR_EACH_ACTUAL_CHILD): Likewise.
5101 (next_child_for_group): New helper function.
5102 (can_completely_scalarize_p): Take into account groups.
5103 (sra_hash_tree): Handle RANGE_EXPR.
5104 (sra_elt_eq): Likewise.
5105 (lookup_element): Be prepared for handling groups.
5106 (is_valid_const_index): Delete.
5107 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5108 instead of is_valid_const_index.
5109 <ARRAY_RANGE_REF>: New case.
5110 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5111 is_valid_const_index.
5112 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5113 (scan_dump): Dump info for groups too.
5114 (decide_instantiation_1): Likewise.
5115 (decide_block_copy): Assert that the element is not a group.
5116 Propagate decision to groups.
5117 (generate_one_element_ref): Handle RANGE_EXPR.
5118 (mark_no_warning): Iterate over actual childs.
5119 (generate_copy_inout): Likewise.
5120 (generate_element_copy): Likewise.
5121 (generate_element_zero): Likewise.
5122 (generate_element_init_1): Likewise.
5123 (dump_sra_elt_name): Handle RANGE_EXPR.
5125 2006-07-03 Roger Sayle <roger@eyesopen.com>
5127 PR tree-optimization/26251
5128 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5129 (thread_block): When optimizing for size refuse to thread jumps
5130 that would require duplication of blocks other than redirection
5133 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5135 * configure.ac: Fix thinko in previous check-in.
5136 * configure: Regenerate.
5138 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5141 * configure.ac (for lang...): Simplify nesting of conditionals.
5142 Test subdir_requires for non-enabled languages. Move processing
5143 of lang_opt_files and lang_tree_fiels below that test.
5144 * configure: Regenerate.
5145 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5147 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5149 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5151 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5153 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5156 2006-06-29 Jason Merrill <jason@redhat.com>
5163 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5164 * c-common.c (c_determine_visibility): Handle it here.
5165 * c-decl.c (finish_decl): Call c_determine_visibility for
5167 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5169 * varasm.c (default_assemble_visibility): Likewise.
5170 * c-common.c (handle_visibility_attribute): Complain about trying
5171 to give visibility to an already defined class, or trying to change
5172 declared visibility. Always attach the attribute.
5177 * attribs.c (decl_attributes): Ignore type-in-place attributes
5178 once the type has been defined.
5180 2006-06-29 Roger Sayle <roger@eyesopen.com>
5183 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5184 to indicate the cpplib has issued an error message for us.
5186 2006-06-29 Asher Langton <langton2@llnl.gov>
5189 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5190 insert a label at the end of an function under Mach-O.
5192 2006-06-29 Eric Christopher <echristo@apple.com>
5193 Evan Cheng <evan.cheng@apple.com>
5195 * predicates.md (vector_all_ones_operand): New.
5196 (nonimmediate_or_sse_const_operand): Ditto.
5197 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5198 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5199 (standard_sse_mode_p): Ditto.
5200 (standard_sse_constant_p): Add case for -1 vector.
5201 (ix86_expand_vector_move): Try to use.
5202 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5203 Call standard_sse_constant_opcode.
5204 (*movv4sf_internal): Ditto.
5205 (*movv2df_internal): Ditto.
5207 2006-06-29 Roger Sayle <roger@eyesopen.com>
5209 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5210 of XEXP to extract the operands of a MATCH_CODE rtx.
5212 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5214 * tree.c (tree_size): Do not waste tail padding in
5215 struct tree_string and make the size be the same as
5216 build_string will generate.
5218 2006-06-28 Jason Merrill <jason@redhat.com>
5221 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5222 may_aliases already in the tag's annotations to the bitmap.
5224 2006-06-28 Roger Sayle <roger@eyesopen.com>
5226 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5228 2006-06-28 Roger Sayle <roger@eyesopen.com>
5230 * genpreds.c (generate_switch_p): New function.
5231 (add_mode_tests): Push the new mode test down inside an AND expr
5232 if this allows the switch-suitable MATCH_CODE to be near the root.
5233 (write_match_code_switch): New function to write a MATCH_CODE as
5235 (write_predicate_stmts): New function to write a predicate RTX
5236 expression as a sequence of statements.
5237 (write_one_predicate_function): Use write_predicate_stmts.
5238 (write_tm_constrs_h): Likewise.
5240 2006-06-26 Fred Fish <fnf@specifix.com>
5242 * config/mips/t-sb1: New file.
5243 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5246 2006-06-26 DJ Delorie <dj@redhat.com>
5248 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5250 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5251 Jayant Sonar <jayants@kpitcummins.com>
5252 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5254 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5255 (subsi3, subsi3_1, subsi3_2): New.
5256 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5257 * config/m32c/mov.md (SI mov peephole): New.
5258 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5259 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5261 2006-06-26 Olivier Hainque <hainque@adacore.com>
5263 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5264 a CALL_EXPR target function declaration.
5266 2006-06-26 Richard Guenther <rguenther@suse.de>
5268 * tree.c (build_string): Do not waste tail padding in
5271 2006-06-26 Richard Guenther <rguenther@suse.de>
5273 * ggc-page.c (init_ggc): Add missing element to size_lookup
5277 2006-06-23 Richard Guenther <rguenther@suse.de>
5279 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5280 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5281 alignment requests instead. Add verification code.
5282 Add struct tree_function_decl and struct tree_binfo size to
5283 extra_order_size_table. Add missing element to size_lookup
5286 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5289 * fold-const.c (const_binop): Be prepared for self returning zero.
5290 Simplify code handling complex values.
5292 2006-06-24 Olivier Hainque <hainque@adacore.com>
5294 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5295 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5298 2006-06-24 Olivier Hainque <hainque@adacore.com>
5300 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5301 ARRAY_REF, so have the callback called for the low bound expression.
5303 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5305 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5306 * c-typeck.c (c_common_type): Disallow operations on decimal float
5307 types and other float types.
5308 * convert.c (convert_to_real): Don't ignore conversions involving
5309 decimal float types.
5311 2006-06-23 Olivier Hainque <hainque@adacore.com>
5313 * tree.c (max_int_size_in_bytes): New function, inspired from
5314 code in function.c:assign_temp.
5315 * tree.h (max_int_size_in_bytes): Declare.
5316 * function.c (assign_temp): Use it.
5317 * gimplify.c (create_tmp_var): Relax the assertions on the type
5318 properties, not mandating constant size any more.
5319 (force_constant_size): New static function.
5320 (gimple_add_tmp_var): Use it, forcing variable size to a
5321 constant upper bound if it is not constant on entry.
5323 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5326 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5327 for initialization and setting of one_only flag to ...
5328 (i386_pe_encode_section_info): ...here.
5329 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5330 Recheck that the symbol has not been defined.
5332 2006-06-23 Richard Guenther <rguenther@suse.de>
5334 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5335 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5336 alignment requests instead. Add verification code.
5337 Add struct tree_function_decl and struct tree_binfo size to
5338 extra_order_size_table. Add missing element to size_lookup
5341 2006-06-22 Roger Sayle <roger@eyesopen.com>
5342 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5345 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5346 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5348 2006-06-23 Ben Elliston <bje@au.ibm.com>
5350 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5351 negate dn -- manipulate it directly.
5353 2006-06-22 Roger Sayle <roger@eyesopen.com>
5354 Steven Bosscher <stevenb.gcc@gmail.com>
5357 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5358 generated by gen_move_insn to add REG_LABEL notes if necessary.
5360 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5362 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5363 (leaf_entry): Remove use of MIN_ESA.
5365 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5367 PR rtl-optimization/28121
5368 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5371 2006-06-21 DJ Delorie <dj@redhat.com>
5373 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5375 (mulhisi3_r): Likewise.
5377 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5380 * coverage.c (coverage_counter_alloc): Leave the index type
5382 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5385 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5387 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5388 section from the "Options for Code Generation Conventions".
5390 2006-06-21 Richard Henderson <rth@redhat.com>
5394 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5396 (global_symbolic_operand): Allow weak symbols, even if local_p.
5398 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5400 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5401 (find_interesting_uses_address): Punt if above function returns true.
5403 2006-06-21 Richard Guenther <rguenther@suse.de>
5405 * configure: Regenerated.
5407 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5409 * config/mips/mips.c (function_arg): Where one part of a
5410 complex argument is in registers and the other part in the stack,
5411 return a REG not a PARALLEL.
5413 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5415 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5416 when cross-compiling. Do not substitute libstdcxx_incdir.
5417 * configure: Regenerated.
5419 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5421 * varasm.c (mergeable_string_section): Check for embedded NULs and
5422 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5423 rather than TREE_STRING_LENGTH bytes.
5425 2006-06-21 Richard Guenther <rguenther@suse.de>
5427 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5428 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5431 2006-06-21 Richrad Guenther <rguenther@suse.de>
5433 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5434 Limit iteration over the dominators.
5436 2006-06-20 Roger Sayle <roger@eyesopen.com>
5438 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5439 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5441 2006-06-20 Richard Guenther <rguenther@suse.de>
5442 Michael Matz <matz@suse.de>
5444 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5446 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5447 * et-forest.h (et_free_pools): Prototype new function.
5448 * et-forest.c (et_free_tree_force): Free parent occurrence.
5449 (et_free_pools): New function.
5450 * dominance.c (free_dominance_info): Free et-forest alloc
5453 2006-06-20 Roger Sayle <roger@eyesopen.com>
5455 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5456 integer modes, attempt to directly construct an integer constant.
5458 * fold-const.c (native_encode_vector): Determine the size of each
5459 element from the vector type instead of the first vector element.
5461 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5462 if all of its elements/components are constant.
5463 (build_constructor_from_list): Likewise.
5465 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5467 PR tree-optimization/27331
5468 * tree-data-ref.c (free_data_ref): New function.
5469 (create_data_ref): Fail if the data reference has unknown access
5471 (free_data_refs): Use free_data_ref.
5473 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5476 * tree-inline.c (setup_one_parameter): Strip useless
5477 type conversion before adding it to the IR.
5478 (declare_return_variable): Likewise.
5480 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5483 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5485 2006-06-19 Mike Stump <mrs@apple.com>
5487 * tree.c (variably_modified_type_p): VM arguments don't make the
5490 2006-06-19 Richard Guenther <rguenther@suse.de>
5492 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5493 type conversions after folding.
5495 2006-06-19 Richard Guenther <rguenther@suse.de>
5497 * ggc-page.c (extra_order_size_tab): Add entries with
5498 size of struct function and basic_block.
5499 (size_lookup): Extend to cover sizes up to 511.
5500 (ggc_alloc_stat): Adjust user.
5501 (ggc_pch_count_object): Likewise.
5502 (ggc_pch_alloc_object): Likewise.
5503 (ggc_pch_write_object): Likewise.
5505 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5507 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5508 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5511 2006-06-19 Denis Chertykov <denisc@overta.ru>
5513 * config/avr/libgcc.S : Correct my wrong previous commit.
5515 2006-06-19 Roger Sayle <roger@eyesopen.com>
5518 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5519 have stripped a SUBREG from the shift count, so we may need to
5520 convert_to_mode back to the type's mode before calling make_tree.
5521 Use new_amount instead of amount to avoid expanding a tree twice.
5523 2006-06-19 Richard Guenther <rguenther@suse.de>
5526 * fold-const.c (operand_equal_p): Check if the argument types
5527 have the same precision before stripping NOPs.
5529 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5531 Fix PR tree-optimization/27341
5532 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5534 * tree-complex.c (pass_lower_complex): Update SMT usage.
5536 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5538 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5539 Add a new alternative to the constraint strings. Add move of
5540 operand 1 to 3 to the splitter definition.
5541 ("doloop_si_long"): Second contraint alternative removed.
5543 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5545 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5546 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5548 (AVR_HAVE_MOVW) Define.
5549 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5550 (ASM_SPEC): Add avr25.
5551 (LINK_SPEC): Add avr25.
5552 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5553 (base_arch_s): Add new member 'have_movw_lpmx'.
5554 (avr_arch_types): Init 'have_movw_lpmx'.
5555 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5556 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5557 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5558 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5559 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5561 (avr_file_start): Do not output '.arh' derective.
5562 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5563 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5564 * config/avr/avr.md (mcu_enhanced): Delete.
5565 (mcu_have_movw): Define.
5566 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5567 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5568 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5569 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5570 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5571 attiny861 and at86rf401 devices.
5573 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5575 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5578 2006-06-17 Karl Berry <karl@gnu.org>
5580 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5581 doc/gccint.texi, doc/install.texi (@dircategory): Use
5582 "Software development" instead of "Programming", following
5583 the Free Software Directory.
5585 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5587 * config/i386/i386.c (legitimate_tls_address)
5588 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5589 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5590 (*tls_dynamic_gnu2_combine_64): Likewise.
5592 2006-06-16 Richard Guenther <rguenther@suse.de>
5595 * fold-const.c (negate_expr_p): Do not introduce undefined
5596 overflow in negating INTEGER_CSTs.
5597 (fold_negate_expr): Rename from negate_expr. Revert last
5598 change for folding BIT_NOT_EXPR. Change semantics to
5599 return NULL_TREE for non-simplified negations. Do not
5600 strip type conversions and unify type handling.
5601 (negate_expr): New function, wrap around fold_negate_expr
5602 but ensure building a tree always. Strip type conversions
5603 here, fold to result type.
5604 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5606 2006-06-16 Roger Sayle <roger@eyesopen.com>
5609 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5610 that (would) return their results in stack registers.
5612 2006-06-16 Michael Matz <matz@suse.de>
5613 Richard Guenther <rguenther@suse.de>
5615 * fold-const.c (fold_truthop): Only return new tree node if
5616 we canonicalized something.
5618 2006-06-16 Richard Guenther <rguenther@suse.de>
5620 * function.h (enum function_frequency): Move declaration
5621 out of struct function.
5622 (struct function): Move bool fields and the enum to the bitfield
5623 section. Reorder elements to avoid padding. Remove unused
5624 fields left over from the RTL inliner removal.
5625 * function.c (free_after_compilation): Do not zero removed fields.
5626 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5627 (ipa-type-escape.o): Likewise.
5629 2006-06-16 Richard Guenther <rguenther@suse.de>
5631 * cgraph.h (struct cgraph_local_info): Turn bool elements
5633 (struct cgraph_node): Likewise.
5634 (struct cgraph_varpool_node): Likewise.
5636 2006-06-15 Richard Guenther <rguenther@suse.de>
5638 * fold-const.c (fold_truth_not_expr): Rename from
5639 invert_truthvalue. Give it fold_* semantics to avoid
5641 (invert_truthvalue): New function. Wrapper around
5642 fold_truth_not_expr.
5643 (optimize_minmax_comparison): Avoid creating garbage.
5644 (fold_unary): Use fold_truth_not_expr for folding
5646 (fold_ternary): Replace uses of invert_truthvalue with
5647 fold_truth_not_expr where applicable.
5648 * tree.h (fold_truth_not_expr): Prototype.
5650 2006-06-16 Richard Guenther <rguenther@suse.de>
5652 PR tree-optimization/27781
5653 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5654 * ipa-pure-const.c (target.h): Include.
5655 (analyze_function): Do not analyze functions that do not
5658 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5661 * tree-dfa.c (referenced_vars_dup_list): Remove.
5662 (find_referenced_vars): Remove assert.
5663 (referenced_var_check_and_insert): Replace dup list with assert.
5664 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5665 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5667 2006-06-15 Richard Guenther <rguenther@suse.de>
5669 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5670 extra unused identifiers if not dumping.
5671 (create_variable_info_for): Likewise.
5673 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5675 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5676 (derive_constant_upper_bound): Derive more precise upper bound in
5677 common cases. Return type changed to double_int.
5678 (record_estimate): Reflect the changed return type of
5679 derive_constant_upper_bound.
5680 * double-int.c (double_int_zext, double_int_sext): Fix.
5682 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5684 * configure.ac (CFLAGS): Get them from the toplevel or from the
5685 configure invocation.
5686 * configure: Regenerate.
5687 * Makefile.in (CFLAGS): Substitute value provided by configure.
5689 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5692 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5693 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5694 rather than calling add_stmt on it.
5695 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5697 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5700 * reload1.c (reload): Remove registers returned by update_eliminables
5701 from used_spill_regs.
5703 2006-06-13 DJ Delorie <dj@redhat.com>
5705 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5707 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5709 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5710 html__strip_dir, html__mkdir_p. Enhance install-html target.
5711 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5712 * configure: Regenerate.
5714 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5716 * fold-const.c (fold_cond_expr_with_comparison): Check for
5717 Objective-C++ as language in deciding COND_EXPR transformation.
5719 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5722 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5723 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5724 * config/sh/lib1funcs.h (SL, SL1): Define.
5725 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5726 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5727 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5728 (OBJS_Os_4_200): New variable.
5729 ($(T)libgcc-Os-4-200.a): Use it.
5730 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5731 when dividing 1 and/or by 0.
5733 2006-06-13 Roger Sayle <roger@eyesopen.com>
5735 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5736 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5737 * configure: Regenerate.
5739 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5741 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5742 for real instruction.
5744 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5747 * haifa-sched.c (check_cfg): Handle special case.
5749 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5752 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5753 Add debug_info parameter. Chain the vars to the BLOCK instead
5754 of the BIND_EXPR if debug info are requested for them.
5755 (pop_gimplify_context): Adjust for above change.
5756 (gimple_add_tmp_var): Likewise.
5757 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5759 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5760 (convert_local_reference): Likewise.
5761 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5762 (finalize_nesting_tree_1): Request that debug info be emitted
5763 for debug_var_chain.
5765 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5767 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5768 for PR target/27863.
5770 2006-06-13 Richard Guenther <rguenther@suse.de>
5773 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5775 2006-06-13 Richard Guenther <rguenther@suse.de>
5777 PR tree-optimization/27830
5778 * tree-inline.c (copy_body_r): For copying the operand
5779 of an ADDR_EXPR make sure to fold &* afterwards.
5781 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5783 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5784 lvalues in the fb_none case with side-effects.
5786 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5788 * tree-flow.h: Remove the prototype for
5789 compute_phi_arg_on_exit.
5790 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5791 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5794 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5796 * builtins.c (expand_builtin_return_addr): Only use
5797 frame_pointer_rtx when count == 0 and we are expanding
5798 __builtin_return_address.
5800 2006-06-12 Fred Fish <fnf@specifix.com>
5802 * config/mips/mips.c (mips_file_start): Create special section
5803 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5805 2006-06-11 Eric Christopher <echristo@apple.com>
5808 * stor-layout.c (place_field): Remove check for
5809 remaining_in_alignment when aligning at the end of a run.
5811 2006-06-11 Eric Christopher <echristo@apple.com>
5814 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5817 2006-06-11 Roger Sayle <roger@eyesopen.com>
5820 Revert incorrect fix for PR target/27158
5821 2006-05-08 Roger Sayle <roger@eyesopen.com>
5822 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5823 of a reg_equiv_constant if the result is a legitimate constant.
5825 2006-06-11 Roger Sayle <roger@eyesopen.com>
5828 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5829 extract a CONST_VECTOR element and interpret it as an integer.
5830 (vspltis_constant): Use const_vector_elt_as_int instead of the
5831 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5832 * config/rs6000/predicates.md (easy_vector_const): Consider
5833 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5835 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5838 * stor-layout.c (update_alignment_for_field): Don't add extra
5839 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5842 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5844 * config/mips/t-rtems: Add EL/EB multilib variants.
5846 2006-06-09 Mike Stump <mrs@apple.com>
5848 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5850 2006-06-09 David Daney <ddaney@avtrex.com>
5852 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5854 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5856 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5858 2006-06-09 Richard Guenther <rguenther@suse.de>
5860 PR tree-optimization/26998
5861 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5862 of signed types, only TYPE_MIN_VALUE is special, but for both,
5863 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5864 in this case, as is -fwrapv.
5866 2006-06-08 Mike Stump <mrs@apple.com>
5869 * config/darwin.c (darwin_asm_output_anchor): Disable
5870 -fsection-anchors on darwin for now.
5871 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5872 * rs6000/rs6000.c (optimization_options): Likewise.
5874 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5877 * config/i386/i386.c (classify_argument): Skip fields with invalid
5880 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5882 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5883 (cse_insn): Likewise for the stack_pointer_rtx.
5885 2006-06-08 Roger Sayle <roger@eyesopen.com>
5887 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5888 conditions from floating point comparisons.
5890 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5893 * expmed.c (struct alg_hash_entry): Fix type of field T
5894 to match synth_mult argument.
5895 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5897 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5900 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5903 2006-06-08 Richard Guenther <rguenther@suse.de>
5906 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5907 only, if overflow is defined and not trapping.
5908 (negate_expr): Likewise.
5910 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5912 PR tree-optimization/27872
5913 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5914 flag on the new exit edge of the unrolled loop.
5916 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5918 PR rtl-optimization/26449
5919 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5921 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5924 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5925 referenced_variables with matching DECL_UID's.
5926 (find_referenced_vars): Make sure duplicate list is empty to start.
5927 (referenced_var_p): Remove.
5928 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5929 Check if var is in the list, and add if needed. Update the duplicate
5930 list if a different var is in the list with the same DECL_UID.
5931 (add_referenced_var): Call routine to check and insert.
5932 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5933 * tree-flow.h (referenced_vars_dup_list): External declaration.
5935 2006-06-07 Fred Fish <fnf@specifix.com>
5937 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5940 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5943 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5944 the imaginary and real parts of a clobbered register.
5945 Emit insn to set the imaginary part.
5947 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5949 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5950 in lieu of unwind-dw2-fde.c.
5952 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5954 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5956 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5959 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5960 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5961 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5962 V4SImode temporaries and operations instead.
5964 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5966 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5969 2006-06-06 Mike Stump <mrs@apple.com>
5971 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5972 installing during build.
5974 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5976 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5978 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5979 * config/ia64/ia64.c (params.h): New header.
5980 (ia64_optimization_options): New function to adjust parameters.
5981 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5982 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5983 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5985 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5987 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5989 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5992 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5994 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5995 Victor Kaplansky <victork@il.ibm.com>
5997 PR tree-optimization/26360
5998 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6001 2006-06-04 Roger Sayle <roger@eyesopen.com>
6002 Andrew Pinski <pinskia@physics.uc.edu>
6005 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6006 for LABEL_DECL before calling DECL_WEAK.
6009 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6010 LABEL_DECL and PARM_DECL.
6012 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6016 * c-decl.c (grokdeclarator): Disallow variably modified types at
6017 file scope. Avoid marking shared array type of constant size as
6020 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6023 * c-common.c (fold_offsetof_1): Handle static members.
6025 2006-06-04 Eric Christopher <echristo@apple.com>
6027 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6028 (debug_rli): Output value for remaining_in_alignment.
6029 (update_alignment_for_field): Unconditionalize
6030 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6031 extra alignment code.
6032 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6033 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6034 * tree.h (record_layout_info_s): Remove prev_packed.
6035 * doc/extend.texi (ms_struct): Add documentation of format.
6037 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6039 * tree.h: Declare folding_initializer.
6040 * builtins.c (fold_builtin_constant_p): Give definite answer
6041 if folding inside an initializer.
6042 * fold-const.c: Define folding_initializer.
6043 (START_FOLD_INIT): Save and then set folding_initializer.
6044 (END_FOLD_INIT): Restore folding_initializer.
6046 2006-06-04 Richard Guenther <rguenther@suse.de>
6048 PR tree-optimization/27039
6049 * fold-const.c (fold_comparison): Handle pointer comparison
6050 again for all comparison codes. Compare offsets in signed
6052 (fold_binary): Move code from here.
6054 2006-06-03 Roger Sayle <roger@eyesopen.com>
6057 * config/i386/i386.c (construct_container): Split static issued_error
6058 flag into issued_sse_arg_error, issued_sse_ret_error and
6059 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6060 requires the use of x87 registers and the user explicitly
6061 specified the -mno-80387 command line option.
6063 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6065 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6066 HAVE_DECL_SIGALTSTACK.
6068 (segv_handler): Use MC_FLD.
6069 * configure.ac: Check for a sigaltstack declaration.
6070 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6071 * configure: Regenerate.
6072 * config.in: Regenerate.
6074 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6077 * Makefile.in (stmp-fixinc): Fix typo.
6079 2006-06-02 Roger Sayle <roger@eyesopen.com>
6081 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6082 are type correct. Clean-up.
6083 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6084 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6086 2006-06-01 DJ Delorie <dj@redhat.com>
6088 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6089 shift, as we've disabled the "switch" insn that needs it.
6091 2006-06-01 Per Bothner <bothner@bothner.com>
6093 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6094 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6095 * c-ppoutput.c (cb_define): Don't increment line 0.
6097 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6099 * doc/invoke.texi: Add cpu_type power6.
6100 * config.gcc: Add cpu_type power6.
6101 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6102 to power5+ with Altivec.
6103 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6104 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6106 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6108 * config/avr/avr.h (SET_ASM_OP): Define.
6110 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6112 * config/bfin/bfin.c: Fix comment typos.
6114 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6117 * doc/install.texi: Document --enable-bootstrap and
6118 --disable-bootstrap.
6120 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6122 * doc/install.texi: Document that InfoZIP can replace jar.
6124 2006-05-31 Roger Sayle <roger@eyesopen.com>
6126 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6127 isn't available, directly generate the simpler x87 patterns without
6128 the (use (const_int 0)).
6129 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6130 implementation isn't available.
6131 (*negdf2_1): Likewise.
6132 (*negxf2_1): XF mode negation is always done using the x87.
6133 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6135 2006-05-31 Roger Sayle <roger@eyesopen.com>
6137 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6138 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6140 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6142 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6144 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6145 * config/bfin/bfin.c (basic-block.h): Include.
6146 (struct machine_function): New.
6147 (bfin_init_machine_status): New.
6148 (override_options): Initialize init_machine_status.
6149 (bfin_hardware_loop): New.
6150 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6151 (DEF_VEC_P (loop_info)): New.
6152 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6153 (struct loop_info): New.
6154 (loop_info): New typedef.
6155 (struct loop_work): New.
6156 (loop_work): New typedef.
6157 (DEF_VEC_O (loop_work)): New.
6158 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6159 (bfin_dump_loops): New.
6160 (bfin_bb_in_loop): New.
6161 (bfin_scan_loop): New.
6162 (bfin_optimize_loop): New.
6163 (bfin_reorg_loops): New.
6164 (bfin_reorg): Use bfin_reorg_loops.
6165 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6167 (I_REGNO_P): Simplify.
6168 (DP_REGNO_P, DPREG_P): New macros.
6169 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6170 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6171 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6172 Add LT_REGS, LC_REGS, LB_REGS.
6173 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6175 (REGNO_REG_CLASS): Deal with loop registers.
6176 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6178 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6179 New constants for loop registers.
6180 (UNSPEC_LSETUP_END): New.
6181 (seq_insns): New define_attr. Set it for appropriate insns.
6182 (movsi_insn): Add alternatives for move from/to
6183 loop count registers.
6184 (doloop_end): New define_expand.
6185 (loop_end): New define_insn.
6186 (define_split for bad doloop_end): New.
6187 (lsetup_with_autoinit): New define_insn.
6188 (lsetup_without_autoinit): New define_insn.
6189 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6190 * config/bfin/predicates.md (lc_register_operand): New.
6191 (lt_register_operand): New.
6192 (lb_register_operand): New.
6193 (nondp_register_operand): New.
6194 (nondp_reg_or_memory_operand): New.
6195 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6197 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6199 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6200 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6202 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6204 * Makefile.in (CATALOGS): Add po/ prefix.
6205 * configure: Regenerated.
6207 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6210 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6211 a shift operand before calling shift_op. Avoid redundant call of
6214 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6215 DJ Delorie <dj@redhat.com>
6217 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6218 we're inserting is a singlt-bit constant.
6220 2006-05-30 Roger Sayle <roger@eyesopen.com>
6222 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6223 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6225 2006-05-30 Roger Sayle <roger@eyesopen.com>
6227 PR tree-optimization/23452
6228 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6229 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6230 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6231 complex values and with -ffast-math for FP complex values.
6233 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6235 * c-common.h: Remove the prototype for yyparse.
6236 * rtl.h: Remove the prototype for init_loop.
6238 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6240 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6243 2006-05-30 Roger Sayle <roger@eyesopen.com>
6245 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6247 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6248 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6250 2006-05-30 Dirk Mueller <dmueller@suse.de>
6253 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6254 for CONSTANT_CLASS_P expresisons.
6256 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6259 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6261 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6263 PR tree-optimization/27779
6264 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6265 initial_condition instead of CHREC_LEFT.
6267 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6269 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6270 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6271 Make prototypes ISO C90.
6273 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6274 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6276 * see.c (see_analyze_one_def): Correct check.
6277 (see_get_extension_data): Check if extension is parallel.
6278 (see_get_extension_reg): Likewise.
6280 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6283 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6284 into register for (code == GTU).
6286 2006-05-29 Roger Sayle <roger@eyesopen.com>
6288 PR tree-optimization/24964
6289 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6290 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6291 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6292 abs(x)*abs(x) as x*x for scalar floating point modes.
6294 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6297 * lambda-code.c (perfect_nestify): Don't copy statements
6298 in the inner loop: move them to the inner loop header.
6300 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6303 * c-tree.texi: Document OpenMP directives and clauses.
6305 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6307 * varasm.c (globalize_decl): Fix indentation.
6309 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6312 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6313 pass_fre, pass_store_ccp, pass_copy_prop,
6314 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6315 pass_return_slot, pass_object_size, pass_lim,
6316 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6317 pass_loop_prefetch and pass_stdarg.
6319 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6321 * config/bfin/bfin.opt (mfdpic): New option.
6322 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6323 (EXTRA_MULTILIB_PARTS): Likewise.
6324 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6325 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6327 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6328 (CRT_CALL_STATIC_FUNCTION): New.
6329 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6331 (CRT_CALL_STATIC_FUNCTION): New.
6332 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6334 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6335 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6336 (initialize_trampoline): Changed to handle FD-PIC code generation.
6337 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6338 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6339 (override_options): Disallow -mid-shared-library -mfdpic combination.
6340 Can't do unaligned ops if FD-PIC.
6341 Turn off flag_pic if trying to generate non-id-shared-library
6342 non-fdpic code, since it's not supported.
6343 (bfin_assemble_integer): New function.
6344 (TARGET_ASM_INTEGER): Define.
6345 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6347 * config/bfin/crtn.s: Restore them.
6348 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6350 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6351 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6352 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6353 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6354 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6356 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6357 FDPIC_REGS and FDPIC_FPTR_REGS.
6358 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6359 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6360 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6361 (load_funcdescsi): New pattern.
6362 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6363 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6364 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6366 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6368 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6371 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6373 * tree-flow.h: Remove the prototype for add_type_alias.
6374 * tree-ssa-alias.c (add_type_alias): Remove.
6376 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6378 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6379 config/fr30/fr30.md, config/i386/i386-interix.h,
6380 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6381 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6382 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6383 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6384 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6385 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6386 Follow spelling conventions.
6387 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6388 Follow spelling conventions.
6390 2006-05-27 Richard Guenther <rguenther@suse.de>
6393 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6394 to produce a constant of value 1 of generic type.
6396 2006-05-27 Dirk Mueller <dmueller@suse.de>
6398 * cgraphunit.c (decide_is_function_needed): Fix wrong
6401 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6403 PR rtl-optimization/27661
6404 * reload.c (find_reloads): When reloading a VOIDmode constant
6405 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6406 use Pmode as mode of the reload register.
6408 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6410 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6411 is enabled at -O and above.
6413 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6416 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6419 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6422 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6423 for anonymous variables explicitly declared by front ends.
6425 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6427 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6428 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6429 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6430 ref-all pointers, run a finalization pass for them.
6431 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6432 (finalize_ref_all_pointers): New function.
6433 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6434 regular pointer type to a ref-all pointer type.
6435 (get_tmt_for): Return the special memory tag for ref-all pointers.
6437 2006-05-25 Richard Guenther <rguenther@suse.de>
6440 * fold-const.c (fold_binary): Do not look at the stripped
6441 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6443 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6445 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6446 for LT and GT if the computed range is effectively empty.
6448 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6451 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6452 mips_quad_format formats instead of ieee_single_format,
6453 ieee_double_format and ieee_quad_format formats, respectively.
6455 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6457 PR tree-optimization/27639
6458 PR tree-optimization/26719
6459 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6460 call to scev_probably_wraps_p.
6461 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6462 used_in_pointer_arithmetic_p, convert_step): Removed.
6463 (nowrap_type_p): New function.
6464 (scev_probably_wraps_p): Rewritten.
6465 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6466 chrec_convert if chrec_convert_aggressive might have been used.
6467 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6468 scev_direction): New functions.
6469 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6470 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6471 instead of convert_step.
6472 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6473 (convert_step): Declaration removed.
6474 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6476 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6478 * df-core.c: Added to header comments.
6479 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6480 df_ur_bb_info, df_urec_bb_info): Added comments.
6481 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6482 urec, ri problems): Fixed header comments.
6483 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6484 code from df_rd_transfer_function.
6486 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6488 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6489 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6490 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6492 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6494 * expr.c (undefined_operand_subword_p): New.
6495 (emit_move_multi_word): Do not generate move from undefined bits
6496 of a paradoxical subreg.
6498 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6500 PR rtl-optimization/27736
6501 * combine.c (replaced_rhs_value): New variable.
6502 (combine_instructions): Set it.
6503 (distribute_notes): When distributing a note in replaced_rhs_insn,
6504 check whether the value was used in replaced_rhs_value.
6506 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6509 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6510 add_referenced_var instead of add_referenced_tmp_var.
6511 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6512 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6514 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6515 tree_optimize_tail_calls_1): Use add_referenced_var.
6516 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6517 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6518 Use add_referenced_var.
6519 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6520 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6521 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6522 Use add_referenced_var.
6523 * tree-dfa.c (struct walk_state): Remove.
6524 (find_referenced_vars): Remove walk state and vars_found hash table.
6525 (make_rename_temp): Use add_referenced_var.
6526 (find_vars_r): Pass less parameters to add_referenced_var.
6527 (referenced_var_p): New. Is var in referenced_var hash table.
6528 (referenced_var_insert): Assert var isn't already in hash table.
6529 (add_referenced_var): Don't need walk_state parameter. Add var if it
6530 isn't already in the hash table.
6531 (add_referenced_tmp_var): Remove.
6532 (find_new_referenced_vars_1): Use add_referenced_var.
6533 * tree-ssa-pre.c (create_expression_by_pieces,
6534 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6535 Use add_referenced_var.
6536 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6537 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6538 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6540 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6541 vect_create_data_ref_ptr, vect_create_destination_var,
6542 vect_init_vector, vect_build_loop_niters,
6543 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6544 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6545 Use add_referenced_var.
6546 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6547 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6548 (add_referenced_var): Add prototype.
6549 * tree-ssa-structalias.c (get_constraint_for,
6550 intra_create_variable_infos): Use add_referenced_var.
6552 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6554 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6555 big-endian paradoxical subregs.
6556 * var-tracking.c (struct micro_operation_def): Document that,
6557 for modify micro operations, insn is the subsequent instruction.
6558 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6559 (var_reg_set, var_mem_set): ... new functions.
6560 (add_stores): Record subsequent insn.
6561 (compute_bb_dataflow): Use new functions for MO_USE.
6562 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6563 notes after the insn, and modify notes before the insn known
6564 to be the subsequent one.
6565 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6567 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6570 * config/i386/i386.c (ix86_expand_builtin): Use
6571 gen_sse3_monitor64 for TARGET_64BIT.
6573 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6575 PR rtl-optimization/26375
6576 PR rtl-optimization/26855
6577 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6579 (df_ru_bb_local_compute): Reversed statements and removed bogus
6580 comment explaining why they should be in wrong order.
6581 (df_ru_dump, df_rd_dump): Enhanced debug info.
6582 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6584 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6585 reaching uses and fixed space problem.
6587 2006-05-23 Jan Hubicka <jh@suse.cz>
6589 * cgraphunit.c (decide_is_function_needed): Also nested functions
6590 and functions declared inline can be optimized out at -O0.
6592 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6594 * doc/install.texi (Configuration): Remove reference to CrossGCC
6598 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6601 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6602 ix86_compare_emitted is non-NULL.
6604 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6607 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6610 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6612 PR rtl-optimization/25514
6613 * combine.c (replaced_rhs_insn): New variable.
6614 (combine_instructions): Set replaced_rhs_insn when trying to replace
6615 a SET_SRC with a REG_EQUAL note.
6616 (distribute_notes): Use replaced_rhs_insn when determining the live
6617 range of a REG_DEAD register.
6619 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6620 Anatoly Sokolov <aesok@post.ru>
6622 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6623 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6624 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6625 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6626 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6627 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6628 at90usb647, at90usb1286 and at90usb1287 devices.
6629 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6630 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6632 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6634 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6636 2006-05-22 Richard Guenther <rguenther@suse.de>
6639 2006-01-31 Richard Guenther <rguenther@suse.de>
6640 Paolo Bonzini <bonzini@gnu.org>
6642 * doc/install.texi (--disable-libgcc-math): Document.
6644 2006-05-22 Richard Guenther <rguenther@suse.de>
6647 2006-01-31 Richard Guenther <rguenther@suse.de>
6649 * doc/invoke.texi (-msselibm): Document.
6650 * target.h (expand_library_builtin): New target hook.
6651 * builtins.c (expand_builtin): Use expand_library_builtin.
6652 (default_expand_library_builtin): New function.
6653 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6654 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6655 (link_gcc_math_spec): Declare.
6656 (static_specs): Add link_gcc_math_spec.
6657 * expr.h (default_expand_library_builtin): Declare.
6658 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6659 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6660 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6661 * config/i386/i386.opt (msselibm): New target option.
6662 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6663 (ix86_init_sse_abi_builtins): New function.
6664 (ix86_expand_library_builtin): Likewise.
6665 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6666 (override_options): Handle error conditions wrt -msselibm.
6667 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6668 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6669 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6672 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6675 * c-common.c (self_promoting_args_p): Skip erroneous args.
6678 * c-decl.c (finish_struct): Skip erroneous fields.
6680 2006-05-22 Nick Clifton <nickc@redhat.com>
6682 * config/cris/cris.opt (march): Remove VarExists attribute.
6683 (max-stackframe=): Likewise.
6685 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6687 * doc/rtl.texi: Fix a typo.
6688 * see.c: Fix comment typos.
6690 * tree-ssa-structalias.h (alias_info): Remove num_references.
6692 2006-05-21 Mike Stump <mrs@apple.com>
6694 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6696 (darwin_pragma_options): Use BAD instead.
6697 (darwin_pragma_unused): Likewise.
6698 (darwin_pragma_ms_struct): Likewise.
6700 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6702 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6704 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6706 PR rtl-optimization/27671
6707 * simplify-rtx.c (simplify_relational_operation_1): Fix
6708 simplifications of (eq/ne (xor x y) y) and
6709 (eq/ne (xor x y) x).
6711 PR tree-optimization/26622.
6712 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6715 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6717 * tree-cfg.c: Prune whitespace.
6718 (debug_tree_cfg): Point to correct header containing the
6721 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6724 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6726 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6729 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6730 or sorry count is non zero.
6732 2006-05-20 Andreas Schwab <schwab@suse.de>
6734 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6736 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6737 Kenneth Zadeck <zadeck@naturalbridge.com>
6739 PR rtl-optimization/26855
6741 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6743 (df_scan_alloc): Added code to properly handle multiword hard
6744 registers and add all_blocks parameter.
6745 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6746 code to properly handle multiword hard registers.
6747 (df_rescan_blocks): Added code to remove deleted blocks from
6749 (df_ref_create_structure, df_ref_record): Added code to properly
6751 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6752 and set DF_REF_PARTIAL.
6753 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6754 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6755 (df_scan_add_problem): Added flags parameter.
6756 (df_ref_create_structure): Changed switching structure.
6757 (df_bb_refs_record): Fixed case where duplicate artificial refs
6758 were created. Changed location of flags.
6759 (df_record_entry_block_defs): Added code to make stack pointer
6760 live in entry block. Refined cases where frame pointer is needed.
6761 Changed location of flags.
6762 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6763 (df_set_state): Removed function.
6764 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6765 df_insn_create_insn_record, df_insn_refs_delete,
6766 df_ref_create_structure): Formatting changes.
6767 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6768 df_delete_basic_block): New function.
6769 (df_init): Changed location of flags.
6770 (df_add_problem): Added flags parameter and the way flags are
6772 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6773 debug_df_chain): Improved debugging output.
6774 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6775 (df_refs_chain_dump): Removed df parameter.
6776 (df_iterative_dataflow): Added consistency check.
6777 (df_prune_to_subcfg): Made public.
6778 (df_analyze_problem): Added blocks_to_init parameter and made
6780 (df_ref_record, df_bb_refs_record, df_mark_reg,
6781 df_record_exit_block_uses): Whitespace changes.
6782 (df_dump): Whitespace changes.
6783 * df.h: Some reordering to remove forward references.
6784 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6785 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6786 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6787 (dataflow.flags): New field.
6788 (df.flag): Deleted field.
6789 (df_alloc_function): Added additional bitmap parameter.
6790 (df_dependent_problem_function): New type.
6791 (df_problem.changeable_flags): New field.
6792 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6793 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6794 (df_mw_hardreg): New struct.
6795 (DF_INSN_UID_MWS): New macro.
6796 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6798 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6799 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6800 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6801 (df_set_state): Removed function.
6802 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6803 * df-problems.c (df_chain_dump): Removed df parameter.
6804 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6805 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6807 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6808 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6809 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6810 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6811 DF_REF_MUST_CLOBBER cases.
6812 (df_ru_bb_local_compute_process_def,
6813 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6814 df_lr_bb_local_compute, df_ur_bb_local_compute,
6815 df_chain_create_bb): Made subreg aware.
6816 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6817 df_lr_bb_local_compute, df_lr_bb_local_compute,
6818 df_chain_create_bb): Cleanup to use proper macros.
6819 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6820 code to fixup bitvectors.
6821 (df_ri_alloc): Cleared lifetime.
6822 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6823 df_create_unused_note): New function.
6824 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6825 REG_DEAD and REG_UNUSED notes as well as register information.
6826 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6827 df_chains_dump): Fixed crash if problem was never run.
6828 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6829 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6830 df_ri_add_problem): Processes flags in uniform manner.
6831 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6832 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6833 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6834 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6835 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6836 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6837 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6838 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6839 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6840 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6841 * see.c (see_initialize_data): Ditto.
6842 * final.c (rest_of_clean_state) Added regstack_completed.
6843 * rtl.h (regstack_completed): Ditto.
6844 * reg-stack.c (regstack_completed): Ditto.
6846 2006-05-19 Mike Stump <mrs@apple.com>
6848 * c-tree.h (default_conversion): Remove.
6849 * c-common.h (default_conversion): Add.
6851 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6853 * tree-vrp.c (valid_value_p): New function.
6854 (adjust_range_with_scev): Fail if the value of bound is not
6857 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6859 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6860 (mips_fallback_frame_state): Use syscall numbers to determine
6861 the appropriate li instruction for the current ABI. Only use
6862 __NR_sigreturn for o32.
6864 2006-05-19 Nicolas Setton <setton@adacore.com>
6866 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6867 * langhooks.c (lhd_dwarf_name): New function.
6868 * langhooks-def.h (lhd_dwarf_name): Declare.
6869 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6870 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6871 * ada/misc.c (gnat_dwarf_name): New function.
6872 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6874 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6876 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6878 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6879 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6880 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6881 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6882 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6883 determine the size of Wtype, etc.
6884 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6885 (swfloatfuncs): New variable.
6886 (dwfloatfuncs): Likewise.
6887 (lib2funcs): Remove floating-point conversion functions from
6888 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6889 the set of conversion routines needed. Allow entries to specify
6890 an object name, filename and word size. Update users accordingly.
6891 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6892 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6896 2006-02-08 Roger Sayle <roger@eyesopen.com>
6899 * config/fixtfdi.c: New libgcc source file.
6900 * config/fixunstfdi.c: New source file.
6901 * config/floatditf.c: New source file.
6902 * config/floatunditf.c: New souce file.
6903 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6904 files above instead of config/mips/_tilib.c.
6905 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6907 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6909 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6910 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6912 2006-05-18 Mike Stump <mrs@apple.com>
6914 Fix up vla, vm and [*] sematics.
6920 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6921 (c_vla_unspec_p): Add.
6922 (c_vla_type_p): Add.
6923 * c-decl.c (struct c_scope): Add had_vla_unspec.
6924 (build_array_declarator): Add support for [*].
6925 (grokdeclarator): Likewise.
6926 (grokparms): Likewise.
6927 (get_parm_info): Likewise.
6928 * c-objc-common.c (c_vla_unspec_p): Likewise.
6929 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6930 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6931 typeof when argument is a variably modified type not inside sizeof or alignof.
6932 (c_parser_direct_declarator_inner): Propagate errors.
6933 (c_parser_sizeof_expression): Add support for [*].
6934 (c_parser_parms_declarator): Initialize had_vla_unspec.
6935 (c_parser_parms_list_declarator): Likewise.
6936 * c-typeck.c (c_vla_type_p): Add.
6937 (composite_type): Add support for vla compositing.
6938 (comptypes_internal): Add support for vla compatibility.
6939 (c_expr_sizeof_expr): Evaluate vla arguments.
6940 * tree.c (variably_modified_type_p): Update comment for [*].
6942 2006-05-18 Michael Matz <matz@suse.de>
6945 * config.host: Make assignments to host_xmake_file cumulative.
6946 * config.host (*-darwin*): Test $host, not $target.
6948 2006-05-12 Stuart Hastings <stuart@apple.com>
6950 * config/i386/i386.opt (-mstackrealign): New flag.
6951 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6952 (ix86_handle_cconv_attribute): Emit error when
6953 force_align_arg_pointer attribute collides with too many regparms.
6954 (ix86_function_regparm): Limit regparms when used with
6955 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6956 Support stack-realigning prologue in non-main functions. Emit
6957 warning for nested functions under -mstackrealign, emit error for
6958 nested functions with force_align_arg_pointer attribute.
6959 * doc/extend.texi (force_align_arg_pointer): Document it.
6960 * doc/invoke.texi (-mstackrealign): Document it.
6962 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6964 PR rtl-optimization/27477
6965 * combine.c (try_combine): Don't split a parallel consisting
6966 of two sets into two individual sets if both sets reference
6969 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6971 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6972 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6974 * doc/options.texi (VarExists): Updated.
6976 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6978 * unwind-dw2.c: Add declarations for uw_update_context and
6980 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6981 detected, advance frame state and context once to skip over stub.
6983 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6987 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6988 Call rewrite_into_loop_closed_ssa only when something changed.
6989 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6990 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6991 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6992 Test for perfect_nest_p here. Fix formating.
6993 (replace_uses_equiv_to_x_with_y): Fix formating.
6994 (stmt_uses_op): Removed.
6995 (can_convert_to_perfect_nest): Removed loopivs parameter.
6996 Complete the test by checking the scalar dependences.
6997 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7000 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7003 From Dan Kegel <dank@kegel.com>:
7004 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7006 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7008 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7009 if the element type is variably modified without recursing.
7011 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7014 * tree-loop-linear.c (try_interchange_loops): Test for
7015 no data dependences.
7017 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7019 PR tree-optimization/27548
7020 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7021 range of ssa names that appear on abnormal edges.
7022 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7023 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7025 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7028 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7030 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7033 * tree.h (OMP_PARALLEL_COMBINED): Define.
7034 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7035 (new_omp_context): Add is_combined_parallel argument.
7036 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7037 new_omp_context caller.
7038 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7039 Adjust gimplify_scan_omp_clauses callers.
7040 (omp_is_private): Issue errors if iteration variable is firstprivate
7041 or reduction in the current context.
7042 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7043 on combined parallel workshare constructs.
7045 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7047 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7048 (gcc-options.o): New rule.
7050 * optc-gen.awk: Protect variables for gcc-options.o with
7051 #ifdef GCC_DRIVER/#endif.
7053 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7055 Fix PR tree-optimization/27373
7056 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7057 (forward_propagate_addr_expr): Update call.
7059 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7061 * doc/options.texi: Move the Negative option.
7063 2006-05-16 Richard Guenther <rguenther@suse.de>
7065 PR tree-optimization/22303
7066 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7068 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7069 ccp_fold did not simplify the statement.
7071 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7074 * Makefile.in (GCC_OBJS): New.
7075 (OBJS-common): Add opts-common.o.
7076 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7077 (cpp$(exeext)): Likewise.
7078 (gcc.o): Also depend on opts.h.
7079 (opts-common.o): New.
7081 * common.opt (gcoff): Add Negative(gdwarf-2).
7082 (gdwarf-2): Add Negative(gstabs).
7083 (gstabs): Add Negative(gstabs+).
7084 (gstabs+): Add Negative(gvms).
7085 (gvms): Add Negative(gxcoff).
7086 (gxcoff): Add Negative(gxcoff+).
7087 (gxcoff+): Add Negative(gcoff).
7088 * config/i386/i386.opt (m32): Add Negative(m64).
7089 (m64): Add Negative(m32).
7091 * doc/options.texi: Document the Negative option.
7093 * gcc.c: Include "opts.h".
7094 (main): Call prune_options after expandargv.
7096 * optc-gen.awk: Generate common declarations for all flag
7097 variables in options.c. Output the neg_index field.
7099 * opts.c (find_opt): Moved to ...
7100 * opts-common.c: Here. New file.
7102 * opts.h (cl_option): Add a neg_index field.
7104 (prune_options): Likewise.
7106 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7109 * omp-low.c (expand_omp_parallel): Don't assert
7110 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7111 instead search for it.
7114 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7117 2006-05-16 Andreas Schwab <schwab@suse.de>
7119 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7122 2006-05-15 Roger Sayle <roger@eyesopen.com>
7125 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7126 integer constants other than zero are only legitimate on TARGET_64BIT.
7127 <CONST_VECTOR> Only zero vectors are legitimate.
7128 (ix86_cannot_force_const_mem): Integral and vector constants can
7129 always be put in the constant pool.
7131 2006-05-16 DJ Delorie <dj@redhat.com>
7133 * crtstuff.c (__dso_handle): Set section from
7134 TARGET_LBIGCC_SDATA_SECTION if defined.
7135 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7136 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7138 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7141 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7144 2006-05-16 Ben Elliston <bje@au.ibm.com>
7146 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7148 2006-05-15 Per Bothner <per@bothner.com>
7150 * tree.c: (last_annotated_node): Use source_locus typedef.
7151 This permits bootstrapping with --enable-mapped-location.
7153 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7155 PR tree-optimization/26830
7156 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7157 (info_for_ssa_name, current_info_for_ssa_name_age,
7158 blocks_to_update): New variables.
7159 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7160 (clear_ssa_name_info, initialize_flags_in_bb,
7161 mark_block_for_update): New functions.
7162 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7163 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7164 prepare_def_site_for): Use mark_block_for_update.
7165 (mark_def_interesting): Assert that the processed block is marked in
7166 blocks_to_update. Do not take blocks argument.
7167 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7169 (rewrite_update_init_block, rewrite_update_stmt): Only process
7170 blocks with statements to rewrite.
7171 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7172 (update_ssa): Initialize and free blocks_to_update. Do not
7173 clear flags on statements. Do not use blocks bitmap.
7174 * tree.h (SSA_NAME_AUX): Removed.
7175 (struct tree_ssa_name): Removed aux field.
7176 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7178 2006-05-15 Richard Guenther <rguenther@suse.de>
7180 PR tree-optimization/27603
7181 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7182 Do computations in original type.
7184 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7186 * see.c: Code style changes such as redundant paranthesis,
7187 redundant intialization of local variables etc.
7188 (see_main): Declared now as static.
7189 * doc/invoke.texi: Update that -fsee is not enabled by
7192 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7194 * omp-low.c (check_omp_nesting_restrictions): New function.
7195 (scan_omp_1): Call it.
7198 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7199 construct, return *VAR.
7201 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7203 PR rtl-optimization/27406
7204 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7207 2006-05-14 Roger Sayle <roger@eyesopen.com>
7209 PR rtl-optimization/27538
7210 * combine.c (expand_compound_operation): Call gen_lowpart
7211 before calling simplify_shift_const.
7213 2006-05-14 Roger Sayle <roger@eyesopen.com>
7215 PR rtl-optimization/22563
7216 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7217 a fixed width bitfield, always force the intermediates into psuedos.
7219 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7222 * mkconfig.sh: Use operator = instead of == for test.
7224 2006-05-13 Nick Clifton <nickc@redhat.com>
7226 * dwarf2out.c (dbx_reg_number): Check return value from
7227 LEAF_REG_REMAP and only use it if it is valid.
7228 (multiple_reg_loc_descriptor): Likewise.
7230 2006-05-13 Richard Guenther <rguenther@suse.de>
7232 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7235 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7237 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7238 information attached to non-INSNs such as NOTEs.
7239 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7241 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7243 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7245 * config/s390/s390.md: Adjust comment describing On constraint.
7247 2006-05-11 Jan Hubicka <jh@suse.cz>
7249 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7250 to be output at -O0.
7252 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7255 * fold-const.c (size_binop): Move sanity check for arguments to
7256 the beginning of the function.
7259 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7262 2006-05-11 Richard Guenther <rguenther@suse.de>
7265 * fold-const.c (fold_unary): Handle intermediate conversion
7266 to a pointer type like intermediate conversion to an integer
7267 type in folding of (T1)(T2)var to var.
7268 Match the code to the comment in the final conversion for
7269 (T1)(T2)var to (T1)var regarding to type precision. Rather
7270 than disallow T1 being of pointer type, assert that both T1
7271 and var are of pointer type or not. Make sure not to fall
7272 over the frontends lazyness wrt array to pointer decay though.
7274 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7276 * arm.c (arm_struct_value_rtx): Delete.
7277 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7278 (arm_init_cumulative_args): Always initialize nregs to zero.
7280 2006-05-10 Richard Guenther <rguenther@suse.de>
7282 PR tree-optimization/27532
7283 * tree-object-size.c (plus_expr_object_size): Fix typo.
7285 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7288 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7289 ashrdi_const, ashrdi3): Use a scratch register.
7291 2006-05-10 Richard Guenther <rguenther@suse.de>
7293 PR tree-optimization/27302
7294 * fold-const.c (operand_equal_p): For two comparisons,
7295 try comparison of one comparison code swapped if that yields
7298 2006-05-10 Ben Elliston <bje@au.ibm.com>
7300 * tree-pretty-print.c (pretty_print_string): No need to handle
7301 '\0' as a special character.
7303 * tree.h: Include "hashtab.h".
7304 (iterative_hash_expr): Use hashval_t in its prototype.
7305 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7307 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7310 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7311 (hppa*64*-*-hpux11*): Ditto.
7312 (hppa[12]*-*-hpux11*): Ditto.
7314 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7317 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7319 2006-05-09 Michael Matz <matz@suse.de>
7321 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7322 host_extra_gcc_objs and host_xmake_file.
7323 (<*-*-linux*>): Don't overwrite host_xmake_file.
7324 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7325 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7326 (host_detect_local_cpu): Declare.
7327 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7328 * config/i386/i386.c (override_options): Handle -mtune=native
7330 * config/i386/x-i386: New file.
7331 * config/i386/driver-i386.c: New file.
7332 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7335 2006-05-09 Dirk Mueller <dmueller@suse.de>
7336 Richard Guenther <rguenther@suse.de>
7339 * fold-const.c (fold_read_from_constant_string): Relax check
7340 for matching types to matching modes.
7342 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7344 PR rtl-optimization/27335
7345 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7348 2006-05-08 Chao-ying Fu <fu@mips.com>
7349 Richard Sandiford <richard@codesourcery.com>
7351 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7352 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7353 * config/mips/mips.md (UNSPEC_SCC): New constant.
7354 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7355 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7356 (mips_emit_compare): Use it.
7357 (mips_expand_vcondv2sf): New function.
7359 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7361 Fix PR tree-optimization/27093
7362 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7363 renaming when they become not-used_alone.
7365 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7367 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7368 relocation and relocation stubs.
7370 2006-05-08 Eric Christopher <echristo@apple.com>
7372 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7375 2006-05-08 Jan Hubicka <jh@suse.cz>
7378 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7379 unused static functions are needed.
7381 2006-05-08 Roger Sayle <roger@eyesopen.com>
7384 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7385 of a reg_equiv_constant if the result is a legitimate constant.
7387 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7390 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7391 standard 80387 constants, raise the cost to prevent
7392 compress_float_constant() to generate load from memory.
7394 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7396 * config/arm/constraints.md (c): Fix a typo.
7398 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7401 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7404 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7406 (_mm_mwait): Likewise.
7408 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7410 (sse3_monitor): Make it 32bit only.
7411 (sse3_monitor64): New. 64bit monitor.
7413 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7416 * config/i386/i386.c (classify_argument): Skip fields with invalid
7419 2006-05-07 Richard Guenther <rguenther@suse.de>
7421 PR tree-optimization/27409
7422 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7423 Do not try to find zero-sized subvars.
7425 2006-05-07 Richard Guenther <rguenther@suse.de>
7427 PR tree-optimization/27136
7428 * tree-ssa-loop-niter.c (get_val_for): Correct function
7429 comment, assert requirements.
7430 (loop_niter_by_eval): Stop processing if the iterated
7431 value did not simplify.
7433 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7435 * opts.c (flag_see): remove its setting at -O3.
7437 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7439 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7440 * arm/constraints.md: New file.
7441 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7442 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7443 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7444 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7445 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7446 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7447 * arm.md: Include constraints.md.
7448 (thumb_movsi_insn): Use satisfies_constraint_J.
7449 (movhi, movqi): Use satisfies_constraint_I.
7451 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7453 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7454 for atmeg a645 device.
7456 2006-05-06 Richard Guenther <rguenther@suse.de>
7458 PR tree-optimization/27151
7459 * tree-vect-transform.c (vectorizable_condition): Punt on
7460 values that have a different type than the condition.
7462 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7465 * c-parser.c (c_parser_cast_expression): Only insert casts into
7466 hash table if pointer.
7467 * function.c (used_types_insert_helper): Rename from
7469 (used_types_insert): Call used_types_insert_helper.
7470 * function.h (used_types_insert): Accept only one argument.
7472 2006-05-05 David Edelsohn <edesohn@gnu.org>
7474 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7475 scratch with output modifier.
7477 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7480 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7481 with output modifier.
7483 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7486 * config/mips/mips.c (mips_symbolic_address_p): Return true
7487 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7488 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7490 2006-05-04 Richard Guenther <rguenther@suse.de>
7492 PR tree-optimization/14287
7493 PR tree-optimization/14844
7494 PR tree-optimization/19792
7495 PR tree-optimization/21608
7496 PR tree-optimization/27090
7497 * tree-ssa-pre.c (try_combine_conversion): New function.
7498 (compute_avail): After constructing the value-handle
7499 expression, use try_combine_conversion to combine NOP_EXPRs
7500 with previous value-handle expressions and use the result if it
7503 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7505 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7507 2006-05-04 Jan Hubicka <jh@suse.cz>
7510 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7512 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7514 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7515 that this only matches CONST_INTs. All users changed to VOIDmode
7518 * config/bfin/bfin.c: Include "optabs.h".
7519 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7521 (enum bfin_builtins): Add a number of fractional and vector builtins.
7522 (bfin_init_builtins): Likewise.
7523 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7524 (safe_vector_operand, bfin_expand_binop_builtin,
7525 bfin_expand_unop_builtin): New functions.
7526 (bfin_expand_builtin): Handle the new builtins.
7527 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7530 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7533 * Makefile.in (OBJS-common): Add see.o.
7534 (see.o): Add dependencies.
7535 * common.opt (fsee): New flag for the see optimization was added.
7536 * opts.c (flag_see): Initialized.
7537 * passes.c (init_optimization_passes, pass_see): New pass.
7538 * rtl.h (see_main): Declaration as extern.
7539 * timevar.def (TV_SEE): New.
7540 * tree-pass.h (pass_see): Declaration as extern.
7541 * invoke.texi (-fsee): Document.
7542 * recog.c (validate_simplify_insn): New function.
7543 * recog.h (validate_simplify_insn): Declaration as extern.
7544 * df-problems.c (df_chain_dump): Check for NULL.
7546 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7547 Daniel Berlin <dberlin@dberlin.org>
7549 * cfgrtl.c (insert_insn_bb_end_new): New function.
7550 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7552 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7554 * df.h (struct web_entry): Moved from web.c.
7555 (union_defs): Declaration as extern.
7556 (unionfind_root): Likewise.
7557 (unionfind_union): Likewise.
7558 * web.c (struct web_entry): Moved to df.h.
7559 (unionfind_root): Remove static declaration.
7560 (unionfind_union): Likewise.
7561 (union_defs): Likewise and generalize to use callback function.
7562 (web_main): Update arguments for union_defs function call.
7564 2006-05-04 Richard Guenther <rguenther@suse.de>
7566 PR tree-optimization/26447
7567 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7568 produce SSA_NAME copies before the store stmt to avoid
7569 breaking exception handling.
7571 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7574 * gimplify.c (omp_is_private): If var is shared in some outer context,
7575 return false instead of true. Stop searching on parallel context
7578 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7581 * coverage.c: Use get_gcov_unsigned_t() instead of
7582 unsigned_type_node all over.
7584 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7586 PR tree-optimization/27381
7587 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7588 maintain the same immediate_use links.
7589 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7590 node rather than segfaulting.
7592 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7595 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7596 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7597 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7599 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7601 Fix PR tree-optimization/26626
7602 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7604 * tree-ssa-operands.c (access_can_touch_variable): Allow
7605 typecasting through union pointers.
7607 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7610 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7611 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7612 to find if var will be a global variable even in the nested context.
7613 (omp_copy_decl): Only check for global variable at the end, it might
7614 be overridden in outer contexts.
7615 (scan_sharing_clauses): For global variables don't create a field.
7616 (lower_rec_input_clauses): Do nothing for global shared variables.
7617 Emit a barrier at the end of ILIST if there were any decls in both
7618 firstprivate and lastprivate clauses.
7619 (lower_send_clauses): Do nothing for global variables except for
7622 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7624 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7625 of the correct signedness is returned.
7627 2006-05-02 Jeff Law <law@redhat.com>
7629 PR tree-optimization/27364
7630 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7631 multiply expressions.
7633 2006-05-02 Tom Tromey <tromey@redhat.com>
7635 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7637 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7640 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7641 -mthumb -fPIC are used.
7643 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7644 Joshua Kinard <kumba@gentoo.org>
7647 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7648 with 64-bit pointers.
7650 2006-05-02 Paul Brook <paul@codesourcery.com>
7652 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7654 (create_fix_barrier): Check that a suitable barrier location is
7656 (arm_reorg): Include ftmp->address in allowable range of addresses.
7658 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7661 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7664 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7667 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7668 around RESULT_DECL for result passed by reference.
7669 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7670 * omp-low.c (use_pointer_for_field): Don't look at
7671 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7672 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7673 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7674 time or var for passing by reference for
7675 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7676 TREE_ADDRESSABLE variables when passing by reference.
7678 * omp-low.c (dump_omp_region): Fix output formatting.
7681 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7682 (expand_omp_parallel): Likewise.
7683 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7686 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7687 on statement list containing also constructors and destructors.
7688 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7691 * except.c (duplicate_eh_regions): Fix clearing of
7692 cfun->eh->region_array entries.
7694 2006-05-01 DJ Delorie <dj@redhat.com>
7696 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7698 (gcc_cv_objdump): Likewise.
7699 * configure: Regenerated.
7701 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7704 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7705 templates for case 3 and 4.
7707 2006-05-01 DJ Delorie <dj@redhat.com>
7709 * vec.c: Include bconfig.h when appropriate.
7710 * Makefile.in (build/vec.o): Adjust dependencies.
7711 * mkconfig.sh: Make sure config.h isn't used for build machine
7714 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7716 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7718 (mark_phi_for_rewrite): New function.
7719 (insert_phi_nodes_for, mark_use_interesting): Call
7720 mark_phi_for_rewrite.
7721 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7722 (update_ssa): Initialize and free phis_to_rewrite.
7724 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7726 PR rtl-optimization/27291
7727 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7728 folded to a constant.
7730 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7732 PR tree-optimization/27283
7733 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7734 not whole # of iteration descriptions.
7735 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7736 uses abnormal ssa name.
7737 (niter_for_single_dom_exit): Ditto.
7738 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7739 return just the number of iterations.
7741 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7743 PR tree-optimization/27144
7744 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7745 (record_estimate): Only record constant upper bound.
7746 (infer_loop_bounds_from_undefined): Call
7747 compute_estimated_nb_iterations just once.
7748 (proved_non_wrapping_p): Renamed to ...
7749 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7750 (convert_step_widening, scev_probably_wraps_p): Call
7751 n_of_executions_at_most instead of proved_non_wrapping_p.
7752 (substitute_in_loop_info): Do not replace values in bounds.
7753 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7756 2006-05-01 Richard Henderson <rth@redhat.com>
7759 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7760 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7763 2006-05-01 Roger Sayle <roger@eyesopen.com>
7765 * c-typeck.c (parser_build_binary_op): Don't call the function
7766 unsigned_conversion_warning to spot operand/result type overflow.
7767 (build_binary_op): Instead, call convert_and_check instead of
7768 convert to report the problem when the operands are promoted.
7769 * c-common.c (unsigned_conversion_warning): Make static.
7770 * c-common.h (unsigned_conversion_warning): Delete prototype.
7772 2006-05-01 Richard Guenther <rguenther@suse.de>
7774 PR tree-optimization/26726
7775 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7777 (find_interesting_uses_address): ... we work around here
7778 by folding INDIRECT_REFs in the substituted base.
7780 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7782 * omp-low.c (dump_omp_region): Add newlines.
7784 2006-04-30 Roger Sayle <roger@eyesopen.com>
7786 * common.opt (Woverflow): New command line option.
7787 * c-common.c (constant_expression_warning): Check warn_overflow.
7788 (overflow_waring): Pass OPT_Woverflow to warning.
7789 (unsigned_conversion_warning): Likewise.
7790 (convert_and_check): Likewise.
7791 * doc/invoke.texi: Document new command line option.
7793 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7795 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7796 TARGET_NO_FP_IN_TOC for section anchors.
7797 (optimization_options): Enable section anchors for all
7798 non-"Objective" languages.
7800 2006-04-28 Eric Christopher <echristo@apple.com>
7802 * config/darwin-c.c (darwin_ms_struct): Move this
7803 (darwin_set_default_type_attributes): and this...
7804 * config/darwin.c: ... here.
7805 * config/darwin.h (darwin_ms_struct): Declare.
7807 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7809 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7811 2006-04-28 Roger Sayle <roger@eyesopen.com>
7814 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7815 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7816 an unsigned HOST_WIDE_INT.
7817 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7819 (really_start_incremental_init): No need to call convert because
7820 bitsize_zero_node is already of type bitsizetype.
7821 (push_init_level): Extract the value of constructor_index as an
7822 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7823 (process_init_element): Likewise.
7825 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7827 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7828 value before passing to make_relative_prefix.
7830 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7833 * builtins.c (expand_builtin_memset): Expand val in original mode.
7835 2006-04-27 Eric Christopher <echristo@apple.com>
7837 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7838 with #ifndef/#endif.
7839 * config/darwin-c.c (darwin_ms_struct): New.
7840 (darwin_pragma_ms_struct): Ditto.
7841 (darwin_set_default_type_attributes): Ditto.
7842 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7843 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7844 Register ms_struct pragma.
7845 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7846 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7847 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7848 darwin_set_default_type_attributes if TARGET_MACHO.
7850 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7852 PR tree-optimization/26854
7853 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7854 * doc/tree-ssa.texi: Update immuse iterator documentation.
7855 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7856 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7857 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7858 first_safe_imm_use, next_safe_imm_use): Remove.
7859 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7860 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7861 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7862 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7863 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7864 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7865 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7866 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7867 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7868 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7869 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7870 (perfect_nestify): Use new iterator.
7871 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7873 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7874 (next_imm_name): New field in struct immediate_use_iterator_d.
7875 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7876 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7877 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7878 * tree-cfg.c (replace_uses_by): Use new iterator.
7879 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7880 * tree-ssa-operands.c (correct_use_link): Remove.
7881 (finalize_ssa_use_ops): No longer call correct_use_link.
7883 2006-04-27 Stuart Hastings <stuart@apple.com>
7885 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7886 * config/t-darwin (crt3.o): Use it.
7887 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7888 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7889 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7890 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7891 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7894 2006-04-27 Roger Sayle <roger@eyesopen.com>
7896 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7897 size, force the intermediate into a new pseudo rather instead of
7898 performing both a bitwise AND and a bitwise IOR in memory.
7900 2006-04-27 Richard Guenther <rguenther@suse.de>
7902 PR rtl-optimization/26685
7903 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7904 this one "max-flow-memory-locations".
7906 2006-04-27 Richard Guenther <rguenther@suse.de>
7908 PR tree-optimization/25148
7909 * tree-vrp.c (compare_values): Remove code dealing with
7910 comparisons against type min/max value. Honour overflow
7911 and negative constants in code dealing with comparisons
7912 of plus and minus expressions.
7913 (value_inside_range): Use fold_binary with LE_EXPR and
7914 GE_EXPR rather than compare_values.
7916 2006-04-27 Dirk Mueller <dmueller@suse.de>
7918 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7921 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7923 * basic-block.h (safe_insert_insn_on_edge): Removed.
7924 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7926 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7927 Paolo Bonzini <bonzini@gnu.org>
7930 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7931 (simplify_and_const_int): Same.
7933 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7935 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7937 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7940 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7941 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7942 cgraph_global_info_ready.
7945 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7948 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7949 either decl or init is error_mark_node.
7952 * tree-flow.h (struct omp_region): Add sched_kind.
7953 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7954 instead of extracting omp for data.
7955 (expand_omp_for): Save extracted sched_kind.
7957 2006-04-25 Roger Sayle <roger@eyesopen.com>
7959 * expmed.c (store_bit_field): Also check whether the bitsize is
7960 valid for the machine's "insv" instruction before moving the
7961 target into a pseudo for use with the insv.
7962 * config/i386/predicates.md (const8_operand): New predicate.
7963 * config/i386/i386.md (extv, extzv, insv): Use the new
7964 const8_operand predicate where appropriate.
7966 2006-04-25 DJ Delorie <dj@redhat.com>
7968 * doc/install.texi (Specific): Clarify that this is not a list of
7969 supported hosts or targets.
7971 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7973 PR rtl-optimization/26725
7974 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7975 block's BB_DIRTY flag.
7977 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7979 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7982 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7983 to print an integer.
7985 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7987 * varasm.c (align_variable): New function.
7988 (get_block_for_decl): Apply align_variable to DECL before
7989 calculating section information.
7990 (assemble_variable): Split out alignment computation.
7992 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7994 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7997 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7999 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8000 MODE_PARTIAL_INT mode.
8001 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8002 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8004 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8005 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8007 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8009 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8011 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8012 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8013 MACFLAG_IH): Likewise.
8014 (movstricthi_1): Renamed from "*movstricthi".
8015 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8016 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8017 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8018 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8019 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8020 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8021 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8022 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8023 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8024 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8025 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8026 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8027 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8028 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8029 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8031 * doc/rtl.texi (ss_ashift): Improve wording.
8033 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8035 * dwarf2out.c (verify_marks_clear): New.
8036 (prune_unused_types): Call verify_marks_clear initially, not
8039 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8041 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8042 * doc/rtl.texi: Document them.
8043 * simplify-rtx.c (simplify_unary_operation,
8044 simplify_binary_operation_1): Don't abort when we see them.
8046 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8049 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8050 * configure.ac: Completely disregard languages that are not
8052 * configure: Regenerated.
8054 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8055 Richard Guenther <rguenther@suse.de>
8057 PR tree-optimization/27236
8058 * tree-inline.c (copy_body_r): Make sure to copy
8059 TREE_THIS_VOLATILE flag.
8061 2006-04-24 Richard Guenther <rguenther@suse.de>
8064 * tree-complex.c (update_parameter_components): Don't handle
8065 unused parameters which have no default def.
8067 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8068 Richard Guenther <rguenther@suse.de>
8070 PR tree-optimization/27218
8071 * tree-inline.c (expand_call_inline): Strip useless type
8072 conversions for the return slot address.
8074 2006-04-24 Richard Guenther <rguenther@suse.de>
8076 * cfgloop.h (struct loops): Remove unused field array. Reorder
8078 (LOOP_PREFETCH): Remove.
8080 2006-04-24 Richard Guenther <rguenther@suse.de>
8082 PR tree-optimization/22525
8083 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8084 variable, adjust types of generated expressions.
8086 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8088 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8089 (tree-vect-patterns.o): Likewise.
8091 (cselib.o): Likewise.
8092 (loop-doloop.o): Likewise.
8093 (regclass.o): Likewise.
8094 (reload1.o): Likewise.
8095 (explow.o): Replace target.h with $(TARGET_H).
8096 (ipa-prop.o): Likewise.
8097 (ipa-cp.o): Likewise.
8098 (ipa-inline.o): Likewise.
8099 (reorg.o): Likewise.
8100 (reg-stack.o): Likewise.
8102 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8104 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8106 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8108 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8110 * configure.ac: Completely disregard languages that are not
8112 * configure: Regenerated.
8115 * c-common.h (c_build_bitfield_integer_type): Declare.
8116 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8117 * c-common.c (c_build_bitfield_integer_type): ... here.
8119 2006-04-23 Roger Sayle <roger@eyesopen.com>
8122 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8123 a SImode SUBREG of a floating point register after no_new_pseudos.
8125 2006-04-23 Roger Sayle <roger@eyesopen.com>
8127 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8128 identify potentially eliminable registers to additionally catch
8129 VIRTUAL_INCOMING_ARGS_REGNUM.
8130 (addsi3): Update the conditions on when to use addsi_small_int.
8132 2006-04-23 Roger Sayle <roger@eyesopen.com>
8135 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8136 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8137 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8139 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8141 * fold-const.c (range_predecessor): Use operand_equal_p
8142 as the predicate for equality.
8143 (range_successor): Likewise.
8145 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8148 * config/soft-fp/op-common.h: Fix a typo.
8150 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8153 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8154 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8156 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8158 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8160 * doc/tm.texi: Fix a typo.
8162 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8164 * dwarf2out.c (struct die_struct): Document that die_sib makes
8165 a circular linked list.
8166 (FOR_EACH_CHILD): New.
8167 (reverse_die_lists): Delete.
8168 (reverse_all_dies): Delete.
8169 (add_dwarf_attr): Correct documentation.
8170 (remove_child_with_prev): New.
8171 (remove_child_TAG): Update for change to die_struct, use
8172 remove_child_with_prev.
8173 (add_child_die): Update for change to die_struct.
8174 (splice_child_die): Use remove_child_with_prev and add_child_die.
8175 (print_die): Use FOR_EACH_CHILD.
8176 (die_checksum): Likewise.
8177 (assign_symbol_names): Likewise.
8178 (output_location_lists): Likewise.
8179 (build_abbrev_table): Likewise.
8180 (calc_die_sizes): Likewise.
8181 (mark_dies): Likewise.
8182 (unmark_dies): Likewise.
8183 (unmark_all_dies): Likewise.
8184 (output_die): Likewise.
8185 (prune_unused_types_mark): Likewise.
8186 (prune_unused_types_walk): Likewise.
8187 (same_die_p): Update for change to die_struct.
8188 (break_out_includes): Likewise.
8189 (prune_unused_types_prune): Likewise.
8190 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8191 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8193 (dwarf2out_finish): Don't call reverse_all_dies.
8195 2006-04-21 Eric Christopher <echristo@apple.com>
8197 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8198 in comments and function names.
8200 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8203 * c-typeck.c (digest_init): Robustify.
8205 * c-typeck.c (pop_init_level): Simplify.
8207 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8209 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8211 2006-04-21 Paul Brook <paul@codesourcery.com>
8213 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8214 hardware floating point.
8216 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8218 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8221 2006-04-21 Nick Clifton <nickc@redhat.com>
8223 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8226 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8229 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8230 C++ lang type in traceback table for Objective-C++.
8232 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8234 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8236 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8238 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8241 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8242 were errors. Remove check for erroneous objects.
8244 2006-04-20 Jeff Law <law@redhat.com>
8246 PR tree-optimization/26854
8247 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8248 checking for zero or one use.
8249 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8250 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8251 * tree-ssa-reassoc.c (negate_value): Similarly.
8252 (reassociate_bb): Similarly.
8254 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8256 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8257 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8258 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8260 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8262 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8263 fp regs if the last fp arg doesn't fit in regs.
8265 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8268 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8269 that the last insn has the REG_INC note.
8271 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8272 Nathan Sidwell <nathan@codesourcery.com>
8275 * stor-layout.c (update_alignment_for_field): Do not align
8277 (place_union_field): Place union field at the start of the union.
8278 (place_field): Move ERROR_MARK check later, and use the current
8279 allocation position to maintain monotonicity.
8281 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8283 * dominance.c: Include timevar.h.
8284 (calculate_dominance_info): Use TV_DOMINANCE.
8285 * timevar.def (TV_DOMINANCE): New timevar.
8286 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8288 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8290 PR rtl-optimization/14261
8291 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8292 move would be an INSV insn.
8293 (noce_process_if_block): Don't optimize if the destination is a
8294 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8296 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8298 * config/s390/s390.md: Add comments with the instructions emitted
8299 by an insn pattern if macros are used.
8301 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8303 PR rtl-optimization/26026
8304 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8305 is a known power of two shifted left a variable amount.
8307 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8309 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8310 to hash table twice when the debug_str section has SECTION_MERGE.
8312 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8314 * config/soft-fp: New directory. From glibc.
8315 * config/soft-fp/t-softfp: New.
8316 * config/soft-fp/README: New.
8317 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8318 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8319 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8320 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8321 * config.gcc: Use rs6000/t-fprules-fpbit or
8322 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8324 * config/rs6000/sfp-machine.h: New. Based on glibc.
8325 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8327 * config/rs6000/t-fprules: Remove fp-bit rules.
8328 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8329 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8330 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8331 (softfp_wrap_start, softfp_wrap_end): New.
8333 2006-04-18 DJ Delorie <dj@redhat.com>
8335 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8337 2006-04-18 Devang Patel <dpatel@apple.com>
8339 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8341 2006-04-18 Nick Clifton <nickc@redhat.com>
8343 * config/sh/t-symbian: Add rule to build sh-c.o
8344 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8345 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8346 (sh_symbian_encode_section_info): Likewise.
8348 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8350 * builtins.c (expand_builtin_strcmp): Cover label definition of
8351 do_libcall with HAVE_cmpstrnsi.
8353 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8355 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8357 * function.h (temp_slot_p): New.
8358 (function): Change the type of x_used_temp_slots to
8359 VEC(temp_slot_p,gc) *.
8361 2006-04-18 Nick Clifton <nickc@redhat.com>
8363 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8364 flag_strength_reduce.
8366 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8368 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8372 Partial revert of revision 112637
8373 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8374 Dale Johannesen <dalej@apple.com>
8377 * regclass.c (struct reg_pref): Update documentation.
8378 (regclass): Set prefclass to NO_REGS if memory is the best option.
8379 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8381 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8383 PR tree-optimization/26821
8384 * tree-ssa-math-opts.c (get_constant_one): New.
8385 (insert_reciprocals): Use it.
8387 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8389 * dwarf2out.c (free_AT): Delete.
8390 (remove_AT): Update string ref counts.
8391 (remove_child_TAG): Don't call free_die.
8393 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8394 or DW_TAG_GNU_EINCL.
8395 (prune_unused_types_walk_attribs): Reset string refcounts.
8396 (prune_unused_types_update_strings): New.
8397 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8398 call free_die. Do call prune_unused_types_update_strings.
8399 (prune_unused_types): Empty debug_str_hash.
8401 2006-04-17 Roger Sayle <roger@eyesopen.com>
8403 * expr.c (expand_assignment): Optimize away no-op moves where the
8404 source and destination are equal and have no side-effects.
8406 2006-04-17 Richard Guenther <rguenther@suse.de>
8409 * reload.c (push_reload): Guard calls to get_secondary_mem
8412 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8414 * alias.c (reg_base_value, old_reg_base_value): Change the
8415 type to VEC(rtx,gc) *.
8416 (REG_BASE_VALUE, find_base_value, record_set,
8417 init_alias_analysis): Use VEC instead of VARRAY.
8419 * alias.c (alias_sets): Change the type to
8420 VEC(alias_set_entry,gc) *.
8421 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8422 VEC instead of VARRAY.
8423 (last_alias_set): Remove.
8425 * cgraph.h (cgraph_edge_p): New.
8426 Update the prototype of cgraph_function_versioning.
8427 * cgraphunit.c (cgraph_copy_node_for_versioning,
8428 cgraph_function_versioning): Use VEC instead of VARRAY.
8429 * ipa-cp.c (ipcp_insert_stage): Likewise.
8431 2006-04-16 Roger Sayle <roger@eyesopen.com>
8434 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8435 "A op B" or "A op C", we may need to convert A to the type of B and C.
8437 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8439 * target.h (struct gcc_target): Add mode_rep_extended.
8440 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8441 (init_num_sign_bit_copies_in_rep): Initialize it using
8443 (truncate_to_mode): Use it.
8444 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8445 * targhooks.h (default_mode_rep_extended): Declare it.
8446 * targhooks.c (default_mode_rep_extended): Define it.
8447 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8448 default_mode_rep_extended.
8449 (TARGET_INITIALIZER): Include it.
8450 * doc/tm.texi (Misc): Document it.
8451 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8452 (mips_truncated_to_mode): New function.
8454 2006-04-16 Roger Sayle <roger@eyesopen.com>
8457 * expr.c (compress_float_constant): Copy the narrow constant into
8458 a new pseudo before extending it to its final width.
8460 2006-04-16 Roger Sayle <roger@eyesopen.com>
8461 Andrew Pinski <pinskia@gcc.gnu.org>
8462 Dale Johannesen <dalej@apple.com>
8465 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8466 special case code to implement V8HImode and V16QImode with SSE2.
8468 2006-04-15 Roger Sayle <roger@eyesopen.com>
8470 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8471 trees are constructed with a suitable tree type.
8473 2006-04-15 Roger Sayle <roger@eyesopen.com>
8475 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8476 (integer_onep): Likewise.
8477 (integer_all_onesp): Likewise.
8478 (integer_pow2p): Likewise.
8479 (integer_nonzerop): Likewise.
8480 (real_zerop): Likewise.
8481 (real_onep): Likewise.
8482 (real_twop): Likewise.
8483 (real_minus_onep): Likewise.
8484 (int_size_in_bytes): Likewise.
8485 (host_integerp): Likewise.
8487 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8489 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8490 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8491 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8493 * tree-ssa-structalias.h (alias_info): Remove num_references.
8495 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8497 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8498 (output_bvb patterns): Likewise.
8499 * pa.c (output_bb): Use 'bb' insn for long branch case.
8500 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8501 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8502 1. Correct length operand for alternatives 1 and 2.
8503 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8504 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8506 2006-04-14 Roger Sayle <roger@eyesopen.com>
8508 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8509 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8510 were accidentally reverted by r112959.
8512 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8515 * except.h (eh_region_outermost): New prototype.
8516 * except.c (eh_region_outermost): New function.
8517 * tree-cfg.c (find_outermost_region_in_block): Use it.
8519 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8521 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8523 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8524 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8525 (init_reload, reload): Use VEC instead of VARRAY.
8526 * reload.h: Update the prototype for
8527 reg_equiv_memory_loc_varray.
8529 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8530 Eric Botcazou <ebotcazou@libertysurf.fr>
8532 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8535 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8538 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8539 to expand fallback builtin function call.
8541 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8544 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8545 and emit libcall here in case the builtin fails.
8546 (expand_builtin_strcmp): Always emit the libcall here on failure.
8548 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8550 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8551 * flow.c (reg_n_info): Change the type to
8552 VEC(reg_info_p,heap) *.
8553 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8555 * regs.h (reg_info_p): New.
8556 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8557 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8558 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8561 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8563 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8565 * params.h (MAX_SCHED_READY_INSNS): New macro.
8566 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8567 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8568 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8569 the ready list for 1 cycle during the first scheduling pass.
8570 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8572 2006-04-13 Richard Henderson <rth@redhat.com>
8575 * gimple-low.c (lower_omp_directive): Remove dead code.
8576 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8577 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8578 * omp-low.c (struct omp_region): Move to tree-flow.h.
8579 (root_omp_region): Export.
8580 (omp_regions, lookup_omp_region): Remove.
8581 (determine_parallel_type): Update for struct omp_region changes.
8582 (dump_omp_region): Dump regions with block numbers.
8583 (new_omp_region): Take type and block instead of stmt; malloc
8585 (free_omp_region_1, free_omp_regions): New.
8586 (expand_parallel_call): Take entry_stmt as argument; update for
8587 changes to omp_region.
8588 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8589 (remove_exit_barriers): New.
8590 (expand_omp_parallel): Update for struct omp_region changes.
8591 (expand_omp_synch): Likewise.
8592 (expand_omp): Likewise.
8593 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8594 (expand_omp_for_static_chunk): Likewise.
8595 (expand_omp_for): Likewise.
8596 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8597 (expand_omp_sections): Similarly, with GOMP_sections_end.
8598 (expand_omp_single): New.
8599 (build_omp_regions_1): Update for OMP_CONTINUE.
8600 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8601 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8602 OMP_SECTIONS_SECTIONS.
8603 (lower_omp_single_simple): Don't emit barrier here.
8604 (lower_omp_single_copy): Likewise.
8605 (lower_omp_single): Fix bindings, and lower to straightline now.
8606 (lower_omp_master, lower_omp_ordered): Likewise.
8607 (lower_omp_critical): Likewise.
8608 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8609 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8610 omp edges, free it afterward.
8611 (make_omp_sections_edges): Remove.
8612 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8613 (move_stmt_r): Handle OMP_CONTINUE.
8614 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8615 statement pointers to basic blocks. Add type member.
8616 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8617 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8618 * tree-inline.c (estimate_num_insns_1): Likewise.
8619 * tree-pretty-print.c (dump_generic_node): Likewise.
8620 * tree-ssa-operands.c (get_expr_operands): Likewise.
8621 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8622 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8623 (OMP_CONTINUE): New.
8624 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8625 (OMP_SECTIONS_SECTIONS): Remove.
8626 (OMP_SECTION_LAST): New.
8627 (OMP_RETURN_NOWAIT): New.
8629 2006-04-13 Roger Sayle <roger@eyesopen.com>
8631 * fold-const.c (native_encode_vector, native_interpret_real):
8632 Correct obvious mistakes in the previous check-in.
8634 2006-04-13 Roger Sayle <roger@eyesopen.com>
8636 * fold-const.c (native_encode_expr): New function to encode
8637 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8638 or VECTOR_CST into a specified buffer.
8639 (native_encode_int): New function.
8640 (native_encode_real): New function.
8641 (native_encode_complex): New function.
8642 (native_encode_vector): New function.
8643 (native_interpret_expr): Inverse of native_encode_expr to convert
8644 a target representation into an INTEGER_CST, REAL_CST etc...
8645 (native_interpret_int): New function.
8646 (native_interpret_real): New function.
8647 (native_interpret_complex): New function.
8648 (native_interpret_vector): New function.
8649 (fold_view_convert_expr): New function to constant fold/evaluate
8650 a VIEW_CONVERT_EXPR of a suitable constant expression.
8651 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8652 Change call of build1 to fold_build1 when constructing a
8655 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8656 Ulrich Weigand <uweigand@de.ibm.com>
8659 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8662 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8665 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8666 optimize to lo_sum for DFmode if !TARGET_FPRS.
8668 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8670 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8671 delete_alias_info, compute_flow_sensitive_aliasing,
8672 group_aliases): Use VEC instead of VARRAY.
8673 * tree-ssa-structalias.c (update_alias_info): Likewise.
8674 * tree-ssa-structalias.h (alias_info): Change the type of
8675 processed_ptrs to VEC(tree,heap) *.
8677 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8680 * config/sh/lib1funcs.h: New file, broken out of:
8681 * config/sh/lib1funcs.asm.
8682 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8684 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8685 * config/sh/lib1funcs-Os-4-200.asm: New file.
8686 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8687 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8688 (EXTRA_MULTILIB_PARTS): Include it.
8689 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8690 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8691 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8692 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8695 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8697 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8698 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8699 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8701 * tree-ssa-live.h: Include vecprim.h.
8702 (tree_partition_associator_d): Change the type of
8703 first_partition to VEC(int,heap) *.
8704 (tpa_first_partition): Use VEC instead of VARRAY.
8706 * Makefile.in (GTFILES): Move functions.h after tree.h.
8707 * function.c (reset_block_changes, record_block_change,
8708 check_block_change, free_block_changes): Use VEC instead of
8710 * function.h (function): Change the type of
8711 ib_boundaries_block to VEC(tree,gc) *.
8712 * tree-inline.c (copy_cfg_body): Initialize
8713 ib_boundaries_block to NULL instead of (varray_type) 0.
8715 2006-04-12 Roger Sayle <roger@eyesopen.com>
8717 * expr.c (emit_group_store): Correct operand order in call to
8718 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8719 a SUBREG_BYTE of zero.
8721 2006-04-12 Richard Guenther <rguenther@suse.de>
8723 * profile.c (compute_branch_probabilities): Remove code
8724 encapsulated in !ir_type (), which are remanents of the
8725 removed RTL profiling code.
8726 * rtl-profile.c: Remove.
8728 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8730 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8731 magic NULL_RTX comment.
8732 (function_arg): Store entire fp arg to mem if any part should go
8734 (rs6000_arg_partial_bytes): Adjust for above change.
8736 2006-04-11 Roger Sayle <roger@eyesopen.com>
8738 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8739 if it hasn't been initialized by dwarf2out_init.
8741 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8743 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8744 symbolic constants in branch patterns.
8746 2006-04-11 Roger Sayle <roger@eyesopen.com>
8748 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8750 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8752 PR rtl-optimization/27073
8753 * gcse.c (try_replace_reg): Revert last change. Continue to search
8754 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8757 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8759 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8760 aggregate types other than record and union types.
8761 (function_arg): Likewise.
8762 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8764 (function_value): In 64-bit mode, return objects that require it
8767 2006-04-11 Roger Sayle <roger@eyesopen.com>
8769 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8771 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8773 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8775 2006-04-03 Jeff Law <law@redhat.com>
8778 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8779 alias information too.
8781 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8783 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8785 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8788 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8789 (premark_used_types_helper): New.
8790 (premark_used_types): New.
8791 (gen_subprogram_die): Call premark_used_types.
8792 (prune_unused_types_walk): Do not prune perennial dies.
8793 * function.c (used_types_insert): New.
8794 * function.h (struct function): Add used_types_hash field.
8795 (used_types_insert): Add prototype.
8796 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8797 * c-parser.c (c_parser_cast_expression): Save casted types in used
8800 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8803 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8804 rs6000_explicit_options.float_gprs.
8806 2006-04-10 Roger Sayle <roger@eyesopen.com>
8808 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8809 from ix86_expand_vector_init_low_nonzero. Take an additional
8810 one_var argument indicating which element is non-zero. Support
8811 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8812 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8813 with one_var instead of ix86_expand_vector_init_low_nonzero.
8815 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8817 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8818 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8819 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8820 build/genextract.o): Depend on vecprim.h.
8821 * cfglayout.c, df-problems.c, function.c, genextract.c,
8822 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8823 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8827 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8829 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8830 Declare VECs of this type.
8831 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8832 (remove_children): Delete.
8833 (add_dwarf_attr): Use VEC routines.
8834 (add_AT_flag): Update for changes to add_dwarf_attr.
8835 (add_AT_int): Likewise.
8836 (add_AT_unsigned): Likewise.
8837 (add_AT_long_long): Likewise.
8838 (add_AT_vec): Likewise.
8839 (add_AT_string): Likewise.
8840 (add_AT_die_ref): Likewise.
8841 (add_AT_fde_ref): Likewise.
8842 (add_AT_loc): Likewise.
8843 (add_AT_loc_list): Likewise.
8844 (add_AT_addr): Likewise.
8845 (add_AT_lbl_id): Likewise.
8846 (add_AT_lineptr): Likewise.
8847 (add_AT_macptr): Likewise.
8848 (add_AT_offset): Likewise.
8849 (add_AT_range_list): Likewise.
8850 (get_AT): Use VEC_iterate.
8851 (remove_AT): Use VEC_ordered_remove.
8852 (free_die): Fold remove_children into here; have it use VEC_iterate.
8853 (print_die): Use VEC_iterate on attrs.
8854 (reverse_die_lists): Don't reverse attr lists.
8855 (die_checksum): Use VEC_iterate on attrs.
8856 (same_die_p): Likewise.
8857 (output_location_lists): Likewise.
8858 (build_abbrev_table): Likewise.
8859 (size_of_die): Likewise.
8860 (unmark_all_dies): Likewise.
8861 (output_abbrev_section): Likewise.
8862 (output_die): Likewise.
8863 (prune_unused_types_walk_attribs): Likewise.
8865 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8867 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8869 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8872 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8874 2006-04-09 Roger Sayle <roger@eyesopen.com>
8876 * expr.c (store_constructor): Don't bother clearing target if
8877 we're about to assign a vector to it using vec_init_optab.
8879 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8881 * tree-ssa-alias.c (lhs_may_store_to): New function.
8882 (recalculate_used_alone): Handle LHS of calls.
8884 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8888 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8889 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8890 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8891 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8892 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8893 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8894 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8895 stubs. Add ".align 8" directives before all ".dword" directives.
8896 (GTHREAD_USE_WEAK): Revise comment.
8897 (TARGET_ATTRIBUTE_WEAK): Define.
8898 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8899 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8900 * stublib.c: New file.
8905 * pa.md (cbranch patterns): Revise arguments used in calls to
8906 output_cbranch, output_bb and output_bvd. Add long branch length
8908 (fbranch patterns): Handle long branches.
8909 (jump): Revise length check. Revise arguments for output_lbranch call.
8910 Add long branch length attributes.
8911 (decrement_and_branch_until_zero): Add long branch length attributes.
8912 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8913 Likewise. Revise arguments for output_parallel_addb and
8914 output_parallel_movb calls.
8915 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8916 output_parallel_movb and output_parallel_addb): Update prototypes.
8917 * pa.c (output_cbranch): Revise arguments. Correct handling of
8918 nullification in long branches.
8919 (output_lbranch): Add new argument to control extraction of delay
8921 (output_bb): Handle long branches.
8922 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8923 output_parallel_addb): Likewise.
8925 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8927 PR rtl-optimization/27073
8928 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8931 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8933 * tree.h (tree_memory_tag): Add old_used_alone.
8934 (SMT_OLD_USED_ALONE): New macro.
8935 * tree-ssa-alias.c (recalculate_used_alone): Stop
8936 marking things for renaming unnecessarily.
8938 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8940 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8941 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8942 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8943 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8944 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8945 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8946 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8947 spelling convensions.
8948 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8949 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8950 typos. Follow spelling conventions.
8952 2006-04-07 DJ Delorie <dj@redhat.com>
8954 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8955 passed on the stack.
8956 (m32c_init_cumulative_args): When a function returns a structure,
8957 always pass the pointer to that return area on the stack.
8958 (m32c_function_arg_advance): Don't increment the parameter number
8959 if we're processing the returned structure pointer.
8960 (pushm_info): Reverse order of registers.
8962 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8964 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8965 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8966 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8967 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8969 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8970 chrec_fold_multiply): Same.
8971 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8972 force_expr_to_var_cost): Same.
8973 * tree-mudflap.c (mf_xform_derefs_1): Same.
8974 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8976 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8978 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8979 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8982 2006-04-07 Jan Hubicka <jh@suse.cz>
8984 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8986 2006-04-07 Richard Guenther <rguenther@suse.de>
8988 PR tree-optimization/26135
8989 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8990 loads for store copy-prop.
8991 (copy_prop_visit_stmt): Likewise.
8993 2006-04-05 Robert Millan <robertmh@gnu.org>
8995 * config/i386/linux.h: Add a comment to mark macros that are
8996 being overriden in config/k*bsd-gnu.h.
8997 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8999 * config/knetbsd-gnu.h: Ditto.
9001 2006-04-06 Jan Hubicka <jh@suse.cz>
9005 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9008 2006-04-06 Mike Stump <mrs@apple.com>
9010 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9011 for HAVE_nonlocal_goto to be consistent.
9012 (expand_builtin_nonlocal_goto): Likewise.
9013 (expand_builtin_strcmp): Use #ifdef instead of #if
9014 for HAVE_cmpstrnsi to be consistent.
9016 2006-04-05 DJ Delorie <dj@redhat.com>
9018 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9021 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9023 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9024 got-relative addressing for anything but SImode.
9026 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9027 even if the calling function doesn't modify them.
9029 2006-04-05 Richard Guenther <rguenther@suse.de>
9031 PR tree-optimization/26919
9032 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9033 to cgraph_estimate_size_after_inlining.
9035 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9037 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9039 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9041 PR tree-optimization/26996
9042 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9043 VECTOR_TYPE variables.
9045 2006-04-05 Richard Guenther <rguenther@suse.de>
9047 PR tree-optimization/26763
9048 * fold-const.c (fold_comparison): Move folding of
9049 PTR + CST CMP PTR + CST ...
9050 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9052 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9054 * doc/install.texi (Prerequisites): Refine some wording on
9055 bootstrapping and ksh.
9056 Move the version numbers of DejaGnu here from the testing section
9057 and fix casing of names.
9058 Fix markup and clarify wording for autogen requirements.
9059 Refer to GCJ instead of just java.
9060 Refer to SVN instead of CVS.
9061 Describe diffutils as useful instead of necessary.
9062 (Downloading the source): Refer to SVN instead of CVS.
9063 Adjust a link to our web site accordingly.
9064 (Configuration): Fix casing of Bison.
9065 (Building): Refer to SVN instead of CVS.
9066 Fix a sentence on the use of Bison and remove duplicate (and
9067 incorrect) version number of Bison requirement.
9068 Remove one redundant list of packages needed for building.
9069 (Specific): Avoid reference to CVS.
9071 2006-04-04 Eric Christopher <echristo@apple.com>
9073 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9074 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9075 (rs6000_handle_struct_attribute): New.
9076 (rs6000_ms_bitfield_layout_p): Ditto.
9078 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9080 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9081 NULL for dso parameter to atexit_common.
9083 2006-04-04 Eric Christopher <echristo@apple.com>
9085 * config/i386/i386.c (machopic_output_stub): Output \t
9086 between instructions and operands.
9088 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9090 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9091 satisfies_constraint_[IL] to explicit tests on value.
9093 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9095 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9096 set_nb_iterations_in_loop): Use build_int_cst instead of
9098 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9099 build_int_cst instead of convert.
9101 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9103 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9104 new value 2 for incoming.
9105 * function.c (expand_function_start): Call struct_value_rtx
9107 * config/sparc/sparc.md: Comment updated_return.
9108 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9109 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9110 struct return if sparc_std_struct_return and incoming is 2.
9111 (print_operand): Do not adjust return if
9112 sparc_std_struct_return.
9114 2006-04-04 Roger Sayle <roger@eyesopen.com>
9116 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9117 convert in the middle-end.
9118 * expr.c (store_expr, store_constructor, get_inner_reference,
9119 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9121 * tree.c (build_range_type): Likewise.
9123 2006-04-04 Tom Tromey <tromey@redhat.com>
9125 * doc/install.texi (Prerequisites): Mention jar.
9127 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9129 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9132 2006-04-04 Matthias Klose <doko@debian.org>
9134 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9138 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9141 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9143 * doc/extend.texi (Function Attributes): Rewrite visibility
9144 attribute documentation.
9145 * doc/invoke.texi (C++ Dialect Options): Rewrite
9146 -fvisibility-inlines-hidden documentation to describe something
9147 entirely different, although in practise compatible.
9148 (Code Gen Options): Warn about system headers in -fvisibility=
9151 * doc/extend.texi (Other Builtins): Document that
9152 __builtin_nan is a compile-time constant only when its argument
9155 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9157 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9158 trying to remove TRUNCATE check if all bits outside the new mode
9159 are identical to the sign bit.
9161 2006-04-03 Jeff Law <law@redhat.com>
9163 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9164 and operand scanning in some common cases.
9166 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9167 Dale Johannesen <dalej@apple.com>
9170 * regclass.c (struct reg_pref): Update documentation.
9171 (regclass): Set prefclass to NO_REGS if memory is the best option.
9172 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9173 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9174 into account. For non-registers, equate an empty preferred
9175 reload class to a `!' in the constraint; move the if clause to
9176 do so after those that reject the insn.
9177 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9179 (find_dummy_reload): Likewise.
9180 * doc/tm.texi (Register Classes): Document what it means
9181 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9182 * config/i386/i386.c (ix86_preferred_reload_class): Force
9183 using SSE registers (and return NO_REGS for floating-point
9184 constants) if math is done with SSE.
9185 (ix86_preferred_output_reload_class): New.
9186 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9187 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9188 * config/i386/i386.md: Remove # register preferences.
9190 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9193 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9194 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9195 the type of nb_iter.
9196 (instantiate_parameters_1): Convert the operands before calling
9197 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9198 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9200 2006-04-02 Roger Sayle <roger@eyesopen.com>
9202 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9203 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9205 * dojump.c (do_jump): Likewise.
9206 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9207 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9208 gimplify_boolean_expr): Likewise.
9209 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9210 * varasm.c (array_size_for_constructor): Likewise.
9211 * tree-object-size.c (compute_object_offset): Likewise.
9213 2006-04-02 Roger Sayle <roger@eyesopen.com>
9216 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9217 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9219 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9221 PR tree-optimization/26939
9222 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9224 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9226 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9227 at_stmt. Convert the type of operands before calling
9228 build_polynomial_chrec.
9229 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9231 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9232 (instantiate_parameters_1): Convert the type of operands before calling
9233 build_polynomial_chrec.
9234 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9235 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9236 reset_evolution_in_loop): Insert asserts to check the types of the
9238 (chrec_type): Moved...
9239 (eq_evolutions_p): Use operand_equal_p.
9240 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9241 the types of the operands.
9242 (chrec_type): ...here.
9243 * tree-data-ref.c (create_data_ref): Convert the operands before
9244 calling chrec_replace_initial_condition.
9245 (same_access_functions, analyze_subscript_affine_affine,
9246 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9247 (compute_subscript_distance, analyze_ziv_subscript,
9248 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9249 analyze_miv_subscript): Convert the operands before calling
9250 chrec_fold_minus or chrec_fold_plus.
9252 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9254 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9255 the dependence_relations vector.
9256 (compute_data_dependences_for_loop): Adjust call to
9257 compute_all_dependences.
9259 2006-04-01 Roger Sayle <roger@eyesopen.com>
9260 Richard Henderson <rth@redhat.com>
9262 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9263 gimple_boolify on the condition before calling gimplify_expr.
9265 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9267 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9268 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9269 the frame size. Update to use the new macros.
9270 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9271 * config/xtensa/ieee754-df.S: Likewise.
9273 2006-03-31 Richard Henderson <rth@redhat.com>
9275 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9276 (make_edges): ... here. Control fallthru creation with a local
9277 variable. Do not play with fake edges.
9278 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9279 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9282 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9284 * dwarf2.h (DW64_CIE_ID): Define.
9285 * dwarf2out.c (DWARF_CIE_ID): Define.
9286 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9287 length header. Use DWARF_CIE_ID.
9288 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9289 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9291 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9293 * config/sh/linux-atomic.asm: New file.
9294 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9296 2006-03-31 DJ Delorie <dj@redhat.com>
9298 * config/m32c/cond.md: Set condition flags properly throughout.
9299 * config/m32c/minmax.md: Likewise.
9300 * config/m32c/prologue.md: Likewise.
9301 * config/m32c/bitops.md: Likewise.
9302 * config/m32c/muldiv.md: Likewise.
9303 * config/m32c/mov.md: Likewise.
9304 * config/m32c/addsub.md: Likewise.
9305 * config/m32c/m32c.md: Likewise.
9306 * config/m32c/jump.md: Likewise.
9307 * config/m32c/shift.md: Likewise.
9309 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9310 conditionally output the pattern for this.
9311 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9312 (m32c_compare_redundant): New.
9313 (m32c_output_compare): New.
9314 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9316 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9317 dest, not src. Allow other 4-byte modes.
9319 2006-03-30 Denis Chertykov <denisc@overta.ru>
9321 * doc/md.texi: Refer to avr/constraints.md instead of
9324 2006-03-30 Roger Sayle <roger@eyesopen.com>
9326 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9327 signed vs. unsigned comparison failures on some hosts.
9329 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9332 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9333 change to FLOAT_REGS.
9335 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9336 (rs6000_override_options): Use it.
9337 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9338 only for -mabi=spe/no-spe and -mabi=altivec.
9340 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9342 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9345 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9347 * Makefile.in: Rename docdir to gcc_docdir.
9349 2006-03-30 Roger Sayle <roger@eyesopen.com>
9352 * expr.c (emit_group_store): Optimize group stores into a pseudo
9353 register by using a paradoxical subreg to initialize the destination
9354 if the first or last member of the group specifies a "low part".
9356 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9359 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9360 * target.h (struct gcc_target.speculate_insn): Change type of the
9361 second parameter to 'int'.
9362 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9363 the second operand of the DEPS_LIST.
9364 (copy_DEPS_LIST_list): Update reference to the second operand of the
9366 * rtl.h (alloc_DEPS_LIST): Update signature.
9367 * sched-int.h (ds_t): Change typedef to 'int'.
9368 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9370 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9372 * haifa-sched.c (try_ready): Change condition to restore
9373 non-speculative pattern of the instruction.
9374 (process_insn_depend_be_in_spec): Code to keep probability of the
9375 speculative dependence non-decreasing.
9377 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9379 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9380 (single_move_for_movmem): ... this. Also change all uses.
9381 (bfin_expand_strmov): Renamed to...
9382 (bfin_expand_movmem): ... this. Also change all uses.
9383 * config/bfin/bfin.md (movstrsi): Renamed to...
9384 (movstrsi): ...this.
9386 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9388 PR tree-optimization/26830
9390 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9391 (copy_prop_visit_stmt): Remove write-only variable ann.
9392 (init_copy_prop): Check variable loop depth here. Do not simulate
9393 memory-tag and virtual operand PHIs except for store copy prop.
9395 2006-03-30 Richard Guenther <rguenther@suse.de>
9397 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9398 variants with double arguments.
9400 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9402 * genpreds.c (write_tm_constrs_h): Delete variable p.
9403 * genconditions.c (write_header): Add tm-constrs.h to included
9405 * genpeep.c (main): Add toplev.h to included headers.
9406 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9407 (build/genpeep.o): Add toplev.h dependency.
9408 * config/rs6000/constraints.md: Add "W" constraint.
9410 2006-03-29 Roger Sayle <roger@eyesopen.com>
9412 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9413 sizes by correctly testing whether the size fits a host integer.
9414 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9415 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9416 SImode range for the default sizetype and bitsizetype.
9418 2006-03-29 Roger Sayle <roger@eyesopen.com>
9420 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9421 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9422 quickly if the argument is already of the correct type.
9423 Call fold_build1 instead of build1. Tidy up blank lines.
9425 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9427 * genemit.c (main): Add tm-constrs.h to included headers.
9428 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9429 * genpeep.c (main): Add tm-constrs.h to included headers.
9430 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9431 (write_tm_constrs_h): this and write complete file.
9432 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9433 (write_insn_preds_c): Add tm-constrs.h to included headers.
9434 (gen_constrs): New variable.
9435 (parse_option): Parse "-c".
9436 (main): Invoke write_tm_constrs_h.
9437 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9438 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9439 (object_out_file): Add tm-constrs.h dependency.
9440 (insn-emit.o): Same.
9441 (insn-output.o): Same.
9442 (insn-peep.o): Same.
9443 (insn-preds.o): Same.
9444 (insn-recog.o): Same.
9445 (tm-constsr.h): New target.
9446 (s-constrs-h): New target.
9448 * config/rs6000/constraints.md: New file.
9449 * config/rs6000/rs6000.c: Include tm-constrs.h.
9450 (num_insn_constant_wide): Convert to satisfies_constraint.
9451 (rs6000_rtx_costs): Convert to satisfies_constraint.
9452 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9453 (CONST_OK_FOR_LETTER_P): Delete.
9454 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9455 (EXTRA_CONSTRAINT): Delete.
9456 (EXTRA_MEMORY_CONSTRAINT): Delete.
9457 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9458 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9459 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9460 satisfies_constraint.
9462 * config/i386/i386.c: Include tm-constrs.h.
9464 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9466 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9467 * tree-data-ref.c (find_data_references_in_loop,
9468 compute_data_dependences_for_loop): Use pointers to VEC.
9469 (analyze_all_data_dependences): Adjust calls.
9470 * tree-data-ref.h (find_data_references_in_loop,
9471 compute_data_dependences_for_loop): Adjust declarations.
9472 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9473 compute_data_dependences_for_loop.
9475 2006-03-29 Paul Brook <paul@codesourcery.com>
9477 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9480 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9482 PR tree-optimization/26859
9483 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9485 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9486 for the step after fold_convert.
9488 2006-03-29 Paul Brook <paul@codesourcery.com>
9490 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9491 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9493 2006-03-29 Paul Brook <paul@codesourcery.com>
9496 * targhooks.c (default_narrow_bitfield): New fuction.
9497 * targhooks.h (default_narrow_bitfield): add prototype.
9498 * target.h (gcc_target): Add narrow_volatile_bitfield.
9499 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9500 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9501 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9502 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9504 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9506 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9508 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9509 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9510 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9511 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9512 (s390_function_arg_float): Allow SDmode and DDmode values to be
9513 passed in floating point registers.
9514 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9515 check with SCALAR_FLOAT_MODE_P.
9516 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9518 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9520 PR tree-optimization/25985
9521 * tree-ssa-loop-niter.c (number_of_iterations_le,
9522 number_of_iterations_ne): Make comments more precise.
9523 (number_of_iterations_cond): Add only_exit argument. Use the
9524 fact that signed variables do not overflow only when only_exit
9526 (loop_only_exit_p): New.
9527 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9528 number_of_iterations_cond.
9530 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9532 PR tree-optimization/26643
9533 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9536 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9538 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9539 (divsi3_i4_int): Likewise.
9541 2006-03-28 Roger Sayle <roger@eyesopen.com>
9543 * expr.c (emit_group_store): Only create a new pseudo reg if the
9544 quantity it needs to hold isn't already a suitable pseudo.
9546 2006-03-28 Jeff Law <law@redhat.com>
9548 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9549 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9551 2006-03-28 Roger Sayle <roger@eyesopen.com>
9553 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9554 the equivalent ~X & Y, and the symmetry related transformations.
9555 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9556 ~X & Y, and symmetry related transforms.
9558 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9560 Revert my 2006-03-27 patches.
9562 2006-03-28 Roger Sayle <roger@eyesopen.com>
9564 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9565 ~(T1)X, when T1 and T2 are integer types of the same precision
9566 and (T2)X isn't an extension.
9568 2006-03-28 Jeff Law <law@redhat.com>
9570 PR tree-optimization/26796
9571 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9572 need EH edge cleanups rather than purging them immediately.
9573 (eliminate_degenerate_phis): Handle queued EH cleanups.
9575 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9577 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9580 2006-03-27 Roger Sayle <roger@eyesopen.com>
9583 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9584 cast BIT_NOT_EXPR operand to the correct type.
9586 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9588 * tree-loop-linear.c: Don't include varray.h.
9589 (gather_interchange_stats, try_interchange_loops,
9590 linear_transform_loops): Use VEC instead of VARRAY.
9591 * lambda-mat.c: Don't include varray.h.
9592 * tree-chrec.c: Same.
9593 * lambda-trans.c: Same.
9594 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9595 VEC instead of VARRAY.
9596 * tree-vectorizer.h: Idem.
9597 * tree-data-ref.c (dump_data_references,
9598 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9599 initialize_data_dependence_relation, finalize_ddr_dependent,
9600 compute_all_dependences, find_data_references_in_loop,
9601 compute_data_dependences_for_loop, analyze_all_data_dependences,
9602 free_dependence_relation, free_dependence_relations,
9603 free_data_refs): Idem.
9604 * tree-data-ref.h (data_reference_p, subscript_p): New.
9605 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9606 VEC instead of VARRAY.
9607 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9608 (find_data_references_in_loop, compute_data_dependences_for_loop,
9609 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9610 dump_data_dependence_relations, free_dependence_relations,
9611 free_data_refs): Adjust declaration.
9612 (lambda_transform_legal_p): Move declaration here...
9613 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9614 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9615 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9616 vect_analyze_data_refs): Use VEC instead of VARRAY.
9617 * lambda.h (lambda_transform_legal_p): ...from here.
9618 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9619 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9620 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9621 tree-chrec.o): Don't depend on VARRAY_H.
9623 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9625 * rtl.def (Copyright): Update date.
9626 (DEPS_LIST): Change type of the second operand to 'int'.
9627 * target.h (Copyright): Update date.
9628 (struct gcc_target.speculate_insn): Change type of the second parameter
9630 * lists.c (Copyright): Update date.
9631 (alloc_DEPS_LIST): Change signature. Update reference to the second
9632 operand of the DEPS_LIST.
9633 (copy_DEPS_LIST_list): Update reference to the second operand of the
9635 * rtl.h (Copyright): Update date.
9636 (alloc_DEPS_LIST): Update signature.
9637 * sched-int.h (Copyright): Update date.
9638 (ds_t): Change typedef to 'int'.
9639 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9641 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9643 * haifa-sched.c (Copyright): Update date.
9644 (try_ready): Change condition to restore non-speculative pattern
9646 (process_insn_depend_be_in_spec): Code to keep probability of the
9647 speculative dependence non-decreasing.
9649 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9651 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9652 shut up the compiler.
9654 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9656 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9657 to use lib prefix for target.
9658 ($(T)libic_invalidate_array_4-200.a): Likewise.
9659 ($(T)libic_invalidate_array_4a.a): Likewise.
9661 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9662 J"orn Rennecke <joern.rennecke@st.com>
9664 * superh.opt: New file.
9665 * sh.c (boardtype, osruntime): Remove.
9666 * superh.h (SUBTARGET_OPTIONS): Remove.
9667 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9669 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9670 arguments with ^ and/or [].
9672 * config.gcc (sh-*-*): Add quoting to account for quirk of
9674 Replace == with = in enable_incomplete_targets test.
9676 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9677 with MASK_LITTLE_ENDIAN.
9679 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9680 * config/sh/sh.opt: Added to some comments.
9681 * config/sh/superh.h: Removed some chaff.
9683 * config/sh/sh.opt: Add m4-[1234]00* options.
9684 * config/sh/sh.c (sh_handle_option): Likewise.
9685 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9686 (ic_invalidate_array_4-100.o): New rule.
9687 ($(T)libic_invalidate_array_4-100.a): Likewise.
9688 (ic_invalidate_array_4-200.o): Likewise.
9689 ($(T)libic_invalidate_array_4-200.a): Likewise.
9690 (ic_invalidate_array_4a.o): Likewise.
9691 ($(T)libic_invalidate_array_4a.a): Likewise.
9692 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9693 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9695 * config/sh/crt1.asm: Merged in profiling code.
9696 * config/sh/superh.h (STARTFILE_SPEC): Override.
9697 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9698 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9699 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9701 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9702 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9703 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9705 * sh.opt (mpretend-cmove): New option.
9706 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9707 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9708 (movsicc): Add TARGET_PRETEND_CMOVE code.
9710 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9712 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9713 s390_class_max_nregs): New function prototypes.
9714 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9715 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9716 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9717 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9719 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9721 * dwarf2out.c (add_location_or_const_value_attribute): Call
9722 tree_add_const_value_attribute if nothing else works.
9723 (reference_to_unused): New.
9724 (rtl_for_decl_init): Use reference_to_unused to decide whether
9725 to output an initializer.
9727 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9730 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9731 peephole removing spe frob_di_df_2.
9733 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9735 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9736 (subscript_dependence_tester_1): Declared.
9737 (print_dir_vectors, print_dist_vectors): New.
9738 (debug_data_dependence_relation): New.
9739 (dump_data_dependence_relation): Print more details.
9740 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9741 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9742 (save_dist_v, save_dir_v, add_outer_distances,
9743 build_classic_dist_vector_1): New.
9744 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9745 Don't test for lambda_vector_lexico_pos.
9746 (same_access_functions, add_multivariate_self_dist,
9747 add_other_self_distances, dir_from_dist): New.
9748 (build_classic_dir_vector): Replace implementation almost identical to
9749 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9751 (subscript_dependence_tester_1): New.
9752 (subscript_dependence_tester): Handle the lexicographically negative
9753 distance vectors by recomputing the dependence relation.
9754 (compute_affine_dependence): Remove parameter loop_nest_depth.
9755 (compute_self_dependence): Don't call compute_subscript_distance.
9756 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9757 Add a parameter for the loop_nest.
9758 (find_loop_nest_1, find_loop_nest): New.
9759 (compute_data_dependences_for_loop): Compute the loop nest, and give
9760 up if the nest is not well formed.
9761 * tree-data-ref.h (loop_p): New.
9762 (struct data_dependence_relation): Replace size_vect field with
9763 loop_nest, a vec of loops.
9764 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9765 (DDR_LOOP_NEST): New.
9766 (print_dir_vectors, print_dist_vectors,
9767 debug_data_dependence_relation): Declared.
9768 (index_in_loop_nest): New.
9769 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9770 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9773 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9775 * simplify-rtx.c (simplify_relational_operation): Call
9776 simplify_relational_operation_1 even if mode is VOIDmode.
9778 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9780 PR tree-optimization/26804
9781 * tree.h (DECL_CALL_CLOBBERED): New macro.
9782 (tree_decl_common): Add call_clobbered_flag.
9783 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9784 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9785 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9786 (mark_non_addressable): Ditto.
9787 * tree-ssa.c (verify_call_clobbered): New function.
9788 (verify_alias_info): Use it.
9789 * tree-pass.h (pass_reset_cc_flags): New prototype.
9790 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9791 (reset_cc_flags): New function.
9792 * passes.c (init_optimization_passes): Call reset_cc_flags after
9793 initializing referenced_vars.
9795 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9796 Roger Sayle <roger@eyesopen.com>
9799 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9800 to 1.0 for non-real operands. Implement A / A optimization for
9803 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9805 * config/i386/i386.c (size_cost): Correct the comment for
9806 cost of storing fp registers.
9807 (i386_cost): Likewise.
9808 (i486_cost): Likewise.
9809 (pentium_cost): Likewise.
9810 (pentiumpro_cost): Likewise.
9811 (k6_cost): Likewise.
9812 (athlon_cost): Likewise.
9813 (k8_cost): Likewise.
9814 (pentium4_cost): Likewise.
9815 (nocona_cost): Likewise.
9816 (generic64_cost): Likewise.
9817 (generic32_cost): Likewise.
9819 2006-03-24 Denis Chertykov <denisc@overta.ru>
9821 * config/avr/avr-protos.h (extra_constraint): Delete.
9822 (extra_constraint_Q): New declaration.
9823 * config/avr/constraints.md: New file.
9824 * config/avr/avr.md: Include it.
9825 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9826 (TMP_REGNO, ZERO_REGNO): Likewise.
9827 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9828 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9829 (extra_constraint): Delete.
9830 (extra_constraint_Q): Test for memory constraint 'Q'.
9831 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9832 (REG_CLASS_FROM_LETTER): Delete.
9833 (CONST_OK_FOR_LETTER_P): Delete.
9834 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9835 (EXTRA_CONSTRAINT): Delete.
9836 (TMP_REGNO): Delete.
9837 (ZERO_REGNO): Delete.
9839 2006-03-24 Jeff Law <law@redhat.com>
9841 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9842 directly. Call mark_new_vars_to_rename slightly earlier.
9844 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9846 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9848 (gen_compile_unit_die): Use new language types for Objective-C and
9850 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9851 DW_LANG_C_plus_plus.
9854 * config/t-darwin (crt3.o): Work around bug 26840.
9855 * config/darwin-crt3.c: Rewrite.
9856 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9858 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9860 * doc/invoke.texi: Document -femit-class-debug-always
9861 * common.opt: Add -femit-class-debug-always.
9863 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9865 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9866 index and base register.
9867 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9868 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9869 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9870 REGNO_OK_FOR_INDEX_P.
9871 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9873 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9874 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9875 REG_OK_FOR_BASE_P): Definitions removed.
9877 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9880 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9881 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9882 set yet or weren't marked as local yet.
9884 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9886 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9889 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9891 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9892 (rs6000_legitimate_small_data_p): Delete.
9893 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9894 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9895 and make static. Add forward declaration. Update uses.
9896 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9897 of offsettable_memref_p.
9898 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9899 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9901 2006-03-24 Jeff Law <law@redhat.com>
9903 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9904 around bug in immediate-use iterator.
9906 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9909 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9910 or __LITTLE_ENDIAN__.
9912 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9914 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9915 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9916 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9917 * config/sh/sh.opt (mdiv=): Amend description.
9918 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9919 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9920 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9921 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9922 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9923 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9924 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9925 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9926 TARGET_DIVIDE_CALL_FP.
9928 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9930 * haifa-sched.c (choose_ready): Fix type of the local variable.
9931 Move local variables. Add comment.
9932 (check_reg_live): Change signature. Make callable from debugger.
9933 * sched-int.h (check_reg_live): Update signature.
9934 * sched-ebb.c (check_reg_live): Update parameters.
9935 * sched-rgn.c (check_reg_live): Ditto.
9936 (region_head_or_leaf_p): Check pointer before dereferencing.
9937 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9938 before reload on optimization levels below 1.
9940 2006-03-23 Richard Henderson <rth@redhat.com>
9942 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9946 * config/alpha/predicates.md (local_symbolic_operand): Reject
9949 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9952 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9953 expressions which have overflowed constants.
9955 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9957 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9959 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9961 * cfgloopmanip.c (create_loop_notes): Removed.
9962 * final.c (final_scan_insn): Do not handle loop notes.
9963 * jump.c (squeeze_notes): Ditto.
9964 * cfglayout.c (skip_insns_after_block,
9965 duplicate_insn_chain): Ditto.
9966 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9968 * cfgloop.h (create_loop_notes): Declaration removed.
9970 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9972 * varasm.c (output_constant_pool): Restore fnname and fndecl
9974 (assemble_start_function): Adjust call accordingly.
9975 (assemble_end_function): Likewise.
9977 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9980 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9983 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9985 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9988 * system.h (ICE_EXIT_CODE): New macro.
9989 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9990 (diagnostic_action_after_output): Likewise.
9991 * gcc.c (fatal_ice): New function.
9992 (execute): Use it instead of fatal.
9993 (fancy_abort): Likewise.
9994 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9996 2006-03-22 Jeff Law <law@redhat.com>
9998 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9999 iv_analyze_result returning false.
10001 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10003 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10005 2006-03-22 Richard Henderson <rth@redhat.com>
10007 PR middle-end/26084
10008 * except.c (duplicate_eh_regions_0): New.
10009 (duplicate_eh_region_1): Duplicate the children of the node as
10010 well as the node itself. Link them up properly.
10011 (duplicate_eh_region_2): Merge into ...
10012 (duplicate_eh_regions): ... here. Take copy_region argument, and
10013 copy only a sub-tree if asked. Simplify copying and fixup.
10014 (eh_region_outer_p): New.
10015 * except.h (duplicate_eh_regions): Update decl.
10016 (eh_region_outer_p): Declare.
10017 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10018 (lower_omp_master): Likewise.
10019 (lower_omp_ordered): Likewise.
10020 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10021 (move_stmt_r): Use it to remap labels. Handle recursion vs
10022 remap_decls_p properly.
10023 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10024 (find_outermost_region_in_block): New.
10025 (new_label_mapper): New.
10026 (move_sese_region_to_fn): Copy eh information to the new function
10028 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10030 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10033 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10035 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10036 into shared libraries.
10038 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10040 * doc/md.texi: Refer to i386/constraints.md instead of
10041 i386/predicates.md.
10042 * config/i386/constraints.md: New file, extracted from...
10043 * config/i386/predicates.md: ...here.
10044 * config/i386/i386.md: Include constraints.md.
10046 2006-03-21 Jason Merrill <jason@redhat.com>
10048 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10050 PR middle-end/20297
10051 * expr.c (init_block_move_fn): Force default visibility.
10052 (init_block_clear_fn): Likewise.
10053 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10054 * targhooks.c (default_external_stack_protect_fail): Likewise.
10056 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10058 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10059 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10060 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10061 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10062 (loadgp): Use mips_current_loadgp_style.
10063 (loadgp_noshared): New pattern.
10064 (sibcall_internal): Use MIPS_CALL.
10065 (sibcall_value_internal): Likewise.
10066 (sibcall_value_multiple_internal): Likewise.
10067 (call_internal): Likewise.
10068 (call_value_internal): Likewise.
10069 (call_value_multiple_internal): Likewise.
10070 (call_split): Use MIPS_CALL and add an 'S' constraint.
10071 (call_value_split): Likewise.
10072 (call_value_multiple_split): Likewise.
10073 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10074 (-mshared): New option.
10075 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10076 (mips_current_loadgp_style): Declare.
10077 * config/mips/mips.c (mips_classify_symbol): Avoid using
10078 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10079 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10080 TARGET_ABSOLUTE_ABICALLS.
10081 (override_options): Adjust comments. Improve the warning that is
10082 issued when -mabicalls and -G are used together.
10083 (mips_file_start): Remove comment.
10084 (mips_current_loadgp_style): New function.
10085 (mips_gnu_local_gp): New variable.
10086 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10088 (mips_output_function_prologue): Use mips_current_laodgp_style.
10089 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10090 the cprestore instruction.
10091 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10092 live for TARGET_ABSOLUTE_ABICALLS.
10093 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10094 (ASM_SPEC): Pass down -mshared and -mno-shared.
10095 (MIPS_CALL): New macro.
10096 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10098 * doc/invoke.texi (-mabicalls): Update documentation.
10099 (-mshared): Document.
10101 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10103 * config/ia64/unwind-hpux.c: New file.
10104 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10106 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10109 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10111 2006-03-21 Jeff Law <law@redhat.com>
10113 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10114 type conversions of a VR_VARYING source to a wider type.
10116 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10118 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10119 tm_file on Solaris 10 and later.
10120 (sparc64-*-solaris2*): Likewise.
10121 (sparc-*-solaris2*): Likewise.
10122 * config/sol26.h: Rename to config/sol2-6.h.
10123 * config/sol2-10.h: New file.
10125 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10128 * tree-ssa-pre.c (create_component_ref_by_pieces):
10131 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10134 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10135 return it immediately.
10137 2006-03-21 Michael Matz <matz@suse.de>
10139 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10141 (remove_arc, add_arc): Update num_out_arcs member.
10142 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10144 (cache_presence): New function.
10145 (compare_states_for_equiv): New function.
10146 (state_is_differed): Don't take number of outargs, adjust callers.
10147 Use new invariant for speeding up.
10148 (init_equiv_class): Create initial classes based on sorted
10150 (partition_equiv_class): Don't track out_arcs_num.
10151 (evaluate_equiv_classes): Call cache_presence on all states and
10154 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10156 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10157 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10158 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10159 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10161 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10162 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10163 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10164 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10165 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10167 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10168 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10169 (REGNO_REG_CLASS): ARGP is in PREGS.
10170 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10172 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10173 to deal with those addresses.
10174 * addresses.h: New file.
10175 * caller-save.c: Include "addresses.h".
10176 (init_caller_save): Use new base_reg_class function.
10177 * rtl-factoring.c: Include "addresses.h".
10178 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10179 * recog.c: Include "addresses.h".
10180 (preprocess_constraints): Use new base_reg_class function.
10181 * regrename.c: Include "addresses.h".
10182 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10183 functions. Keep track of a new var INDEX_CODE to compute valid
10185 (replace_oldest_value_addr): Likewise.
10186 (replace_oldest_value_mem): Use base_reg_class.
10187 * reload.c: Include "addresses.h".
10188 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10189 (find_reloads): Use new base_reg_class function.
10190 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10191 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10192 all callers and prototype changed.
10193 * reload1.c: Include "addresses.h".
10194 (maybe_fix_stack_asms): Use base_reg_class.
10195 * regclass.c: Include "addresses.h".
10196 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10197 (init_reg_autoinc): Use new base_reg_class function.
10198 (record_reg_classes): Likewise.
10199 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10200 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10201 Use new args to compute necessary class.
10203 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10204 regrename.o, rtl-factoring.o): Update dependencies.
10205 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10206 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10207 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10208 REG_OK_FOR_INDEX_P): Delete documentation.
10210 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10212 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10213 from V7 to V9 for Solaris 7 and above.
10215 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10217 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10218 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10219 argument pointers may not alias any other storage.
10220 * common.opt: Define option -fargument-noalias-anything.
10221 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10222 alias semantics is specified by flag_argument_noalias > 2.
10224 2006-03-20 Jeff Law <law@redhat.com>
10226 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10227 (pass_phi_only_cprop): Declare.
10228 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10229 with phi_only_cprop
10230 * tree-ssa-dom.c (degenerate_phi_result): New function.
10231 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10232 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10233 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10234 (eliminate_degenerate_phis): Likewise.
10235 (pass_phi_only_cprop): New pass descriptor.
10236 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10237 support code. Callers updated.
10238 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10239 (store_copy_prop): Likewise.
10240 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10242 2006-03-20 Jason Merrill <jason@redhat.com>
10245 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10246 (push_visibility, pop_visibility): Likewise.
10247 * c-pragma.h: Declare them.
10249 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10251 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10253 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10254 parameter and use get_ebb_head_tail.
10255 (sh_md_init_global): Adjust uses of find_regmode_weight.
10257 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10259 * function.h (struct function) <x_tail_recursion_reentry>:
10260 Rename to x_stack_check_probe_note.
10261 (tail_recursion_reentry): Rename to stack_check_probe_note.
10262 * function.c: Replace tail_recursion_reentry with
10263 stack_check_probe_note everywhere.
10264 (expand_function_start): Only emit a note for
10265 stack_check_probe_note with -fstack-protect.
10266 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10268 * emit-rtl.c (remove_unnecessary_notes): Remove.
10269 (pass_remove_unnecessary_notes): Remove.
10270 * rtl.h (remove_unnecessary_notes): Remove prototype.
10271 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10272 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10273 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10275 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10278 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10279 (valid_in_set): Handle ARRAY_REF.
10280 Change "if min_variant or VH" to asserts.
10281 (create_component_ref_by_pieces): Handle ARRAY_REF.
10282 (create_expression_by_pieces): Likewise.
10283 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10285 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10287 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10288 is operand of switch, not str[0].
10290 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10292 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10293 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10295 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10297 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10298 end of insn_extra_address_constraint declaration.
10300 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10302 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10303 (no-sum-in-toc): Same.
10304 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10306 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10307 NO_FP_IN_TOC for -fPIC instead of mask.
10309 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10310 (BOOT_LDFLAGS): Delete.
10312 * config/rs6000/t-aix52: Same.
10314 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10315 (stmsi[345678]_power): New.
10317 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10319 * config/ia64/ia64.opt: Add empty line to end of file.
10321 2006-03-17 Richard Guenther <rguenther@suse.de>
10323 PR middle-end/26721
10324 * builtins.c (get_pointer_alignment): For component style references
10325 adjust alignment to the component type alignment. Make sure
10326 to adjust alignment for component access of constants.
10328 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10330 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10331 unconditional jump.
10333 2006-03-17 Paul Brook <paul@codesourcery.com>
10335 * doc/install.texi: Docuemnt --with-mode.
10336 * config.gcc: Add --with-mode for arm*-*-*.
10337 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10339 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10341 * sh.c (max_labelno_before_reorg): New variable.
10342 (sh_reorg): Initialize it.
10343 (find_barrier): Check max_labelno_before_reorg before using
10344 label_to_alignment. Take length of explicit alignment insns
10345 into account. When seeing a UNSPECV_CONST_END, return it.
10347 * sh.c (fixup_mova): Set mode of affected label to QImode.
10348 (untangle_mova): New function.
10349 (find_barrier): Use it. Check mode of label before decrementing
10351 (sh_reorg): Likewise.
10352 Set mode of all insns back to VOIDmode.
10354 * sh.c (MOVA_LABELREF): New macro.
10355 (mova_p, fixup_mova, sh_reorg): Use it.
10356 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10357 ADDR_DIFF_VEC matches mova.
10359 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10361 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10362 with ATTRIBUTE_UNUSED.
10364 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10366 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10367 pointer, instead of assuming it is possible to derive the
10368 correct args size from a call insn.
10370 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10372 * rtl.h (CONST_INT_P): Define.
10373 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10374 instead of GET_CODE(x) == CONST_INT.
10375 (vax_rtx_costs): Likewise.
10376 (vax_output_int_move): Likewise.
10377 (vax_output_int_add): Likewise.
10378 (legitimate_constant_address_p): Likewise.
10379 (index_term_p): Likewise.
10380 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10381 * config/vax/vax.md (and<mode>3): Likewise.
10382 (ashrsi3): Likewise.
10384 (movstricthi): Likewise.
10385 (movstrictqi): Likewise.
10386 (rotrsi3): Likewise.
10387 (five unnamed insns): Likewise.
10389 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10391 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10392 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10393 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10394 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10395 Pass to ASM_OUTPUT_DWARF_OFFSET.
10396 * dwarf2out.c (debug_frame_section): New.
10397 (output_call_frame_info): Use debug_frame_section. Pass it to
10398 dw2_asm_output_offset.
10399 (output_die): Pass appropriate section to dw2_asm_output_offset.
10400 (output_compilation_unit_header): Likewise.
10401 (output_pubnames): Likewise.
10402 (output_aranges): Likewise.
10403 (enum dw_val_class): Break dw_val_class_lbl_offset into
10404 dw_val_class_lineptr and dw_val_class_macptr.
10405 (add_AT_lbl_offset): Delete.
10406 (add_AT_lineptr): New.
10407 (add_AT_macptr): New.
10408 (AT_lbl): Expect a lineptr or macptr.
10409 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10410 (attr_checksum): Likewise.
10411 (same_dw_val_p): Likewise.
10412 (size_of_die): Likewise.
10413 (value_format): Likewise.
10414 (output_die): Likewise.
10415 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10417 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10418 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10419 * config/darwin-protos.h (darwin_file_start): New.
10420 (darwin_asm_output_dwarf_offset): New.
10421 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10422 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10424 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10425 if not EH section; simplify.
10426 (darwin_file_start): New.
10427 (darwin_asm_output_dwarf_offset): New.
10428 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10430 (DEBUG_INFO_SECTION): Likewise.
10431 (DEBUG_ABBREV_SECTION): Likewise.
10432 (DEBUG_ARANGES_SECTION): Likewise.
10433 (DEBUG_MACINFO_SECTION): Likewise.
10434 (DEBUG_LINE_SECTION): Likewise.
10435 (DEBUG_LOC_SECTION): Likewise.
10436 (DEBUG_PUBNAMES_SECTION): Likewise.
10437 (DEBUG_STR_SECTION): Likewise.
10438 (DEBUG_RANGES_SECTION): Likewise.
10439 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10440 (ASM_OUTPUT_DWARF_OFFSET): New.
10442 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10444 * config.gcc (tm_defines): Always add to previous value rather
10447 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10449 * config/mips/predicates.md (splittable_const_int_operand): New,
10450 split from move_operand.
10451 (splittable_symbolic_operand): New.
10452 (move_operand): Add commentary. Use splittable_const_int_operand.
10453 Inline mips_atomic_symbolic_constant_p.
10454 * config/mips/mips.md: Add combine splitters for handling moves
10455 of splittable_const_int_operands and splittable_symbolic_operands.
10456 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10457 (mips_split_symbol): Declare.
10458 (mips_move_integer): Declare.
10459 * config/mips/mips.c (mips_split_p): Make global.
10460 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10461 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10462 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10463 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10464 (mips_offset_within_object_p): Handle block symbols.
10465 (mips_atomic_symbolic_constant_p): Delete.
10466 (mips_cannot_force_const_mem): Return false for constants that
10467 mips_legitimize_move can handle.
10468 (mips_use_blocks_for_constant_p): New function.
10469 (mips_split_symbol): Make global.
10470 (mips_move_integer): Likewise. Add a temporary register argument.
10471 (mips_legitimize_const_move): Use splittable_const_int_operand and
10472 splittable_symbolic_operand.
10473 (mips_use_anchors_for_symbol_p): New function.
10474 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10475 (mips_split_p): Declare.
10477 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10479 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10480 (mips*-*-linux*): Likewise.
10482 2006-03-16 Roger Sayle <roger@eyesopen.com>
10483 Daniel Speyer <dspeyer@wam.umd.edu>
10485 PR middle-end/18259
10486 * tree-dump.c (dump_real): New function.
10487 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10488 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10489 (tree-dump.o): Add $(REAL_H) to the dependencies.
10491 2006-03-16 Roger Sayle <roger@eyesopen.com>
10493 PR middle-end/21781
10494 * real.c (real_from_string): If the mantissa is zero, don't bother
10495 parsing the exponent as the result should always be zero.
10497 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10499 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10501 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10503 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10504 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10505 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10506 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10507 ia64_sched_finish_global): New static functions to implement
10508 hooks from gcc_target.sched.
10509 (spec_check_no, max_uid, pending_data_specs): New static variables.
10510 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10511 ia64_spec_check_src_p): New static functions.
10512 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10513 (TARGET_SCHED_ADJUST_COST): Removed.
10514 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10515 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10516 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10517 TARGET_SCHED_GEN_CHECK,
10518 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10519 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10520 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10521 Fixed to handle speculation checks.
10522 (rtx_needs_barrier): Fixed to handle speculative loads and
10524 (ia64_variable_issue): Added code to count speculative loads and their
10526 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10528 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10530 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10532 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10533 (ia64_reorg): Reset stops_p to NULL after it is freed.
10534 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10535 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10536 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10538 (data_speculative, control_speculative, check_load): New attributes.
10539 (mov<mode>_advanced, mov<mode>_speculative,
10540 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10541 zero_extend<mode>di2_speculative,
10542 zero_extend<mode>di2_speculative_advanced): New patterns for
10543 data and control speculative loads.
10544 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10546 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10547 New pattern for data and control speculation checks.
10548 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10549 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10550 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10551 Auxiliary definitions for the patterns.
10552 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10553 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10555 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10557 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10558 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10559 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10560 New resource constraints.
10561 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10563 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10564 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10565 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10566 msched-in-control-spec, msched-ldc, msched-control-ldc,
10567 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10568 msched-prefer-non-control-spec-insns,
10569 msched-count-spec-in-critical-path): New flags to tune speculative
10571 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10572 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10573 msched-in-control-spec, msched-ldc, msched-control-ldc,
10574 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10575 msched-prefer-non-control-spec-insns,
10576 msched-count-spec-in-critical-path): Document new flags.
10578 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10580 * target.h (struct spec_info_def): New opaque declaration.
10581 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10582 speculate_insn, needs_block_p, gen_check,
10583 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10584 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10585 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10586 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10587 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10588 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10590 (TARGET_SCHED): Use new macros.
10591 * rtl.h (copy_DEPS_LIST_list): New prototype.
10592 * sched-int.h (struct sched_info): Change signature of new_ready field,
10593 adjust all initializations. New fields: add_remove_insn,
10594 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10595 region_head_or_leaf_p.
10596 (struct spec_info_def): New structure declaration.
10597 (spec_info_t): New typedef.
10598 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10599 recovery_block, orig_pat.
10600 (glat_start, glat_end): New variables declaraions.
10601 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10603 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10604 DETACH_LIFE_INFO, USE_GLAT.
10605 (enum SPEC_SCHED_FLAGS): New enumeration.
10606 (NOTE_NOTE_BB_P): New macro.
10607 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10608 attach_life_info, debug_spec_status, check_reg_live): New functions.
10609 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10610 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10612 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10613 * ddg.c (get_block_head_tail): Adjust all uses.
10614 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10615 (sms_sched_info): Initialize new fields.
10616 (contributes_to_priority): Removed.
10617 * haifa-sched.c (params.h): New include.
10618 (get_block_head_tail): Adjust all uses.
10619 (ISSUE_POINTS): New macro.
10620 (glat_start, glat_end): New global variables.
10621 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10622 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10623 old_last_basic_block, before_recovery, current_sched_info_var,
10624 rgn_n_insns, luid): New static variables.
10625 (insn_cost1): New function. Move logic from insn_cost to here.
10626 (find_insn_reg_weight1): New function. Move logic from
10627 find_insn_reg_weight to here.
10628 (reemit_notes, move_insn, max_issue): Change signature.
10629 (move_insn1): Removed.
10630 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10631 extend_bb): New static functions to support extension of scheduler's
10633 (generate_recovery_code, process_insn_depend_be_in_spec,
10634 begin_speculative_block, add_to_speculative_block,
10635 init_before_recovery, create_recovery_block, create_check_block_twin,
10636 fix_recovery_deps): New static functions to support
10637 generation of recovery code.
10638 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10639 restore_bb_notes, move_block_after_check, move_succs): New static
10640 functions to support ebb scheduling.
10641 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10642 functions to support handling of register live information.
10643 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10644 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10645 add_jump_dependencies): New static functions.
10646 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10647 consistancy checking.
10648 (debug_spec_status): New function to call from debugger.
10649 (priority): Added code to handle speculation checks.
10650 (rank_for_schedule): Added code to distinguish speculative instructions.
10651 (schedule_insn): Added code to handle speculation checks.
10652 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10653 Fixed to handle ebbs.
10654 (move_insn): Added code to handle ebb scheduling.
10655 (max_issue): Added code to use ISSUE_POINTS of instructions.
10656 (choose_ready): Added code to choose between speculative and
10657 non-speculative instructions.
10658 (schedule_block): Added code to handle ebb scheduling and scheduling of
10659 speculative instructions.
10660 (sched_init): Initialize new variables.
10661 (sched_finish): Free new variables. Print statistics.
10662 (try_ready): Added code to handle speculative instructions.
10663 * lists.c (copy_DEPS_LIST_list): New function.
10664 * sched-deps.c (extend_dependency_caches): New function. Move logic
10665 from create_dependency_caches to here.
10666 (get_dep_weak, ds_merge): Make global.
10667 * genattr.c (main): Code to output prototype for
10668 dfa_clear_single_insn_cache.
10669 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10670 (output_dfa_clean_insn_cache_func): Code to output
10671 dfa_clear_single_insn_cache function.
10672 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10674 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10676 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10677 New static variables.
10678 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10679 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10681 (ebb_sched_info): Initialize new fields.
10682 (get_block_head_tail): Adjust all uses.
10683 (compute_jump_reg_dependencies): Fixed to use glat_start.
10684 (schedule_ebb): Code to remove unreachable last block.
10685 (schedule_ebbs): Added code to update register live information.
10686 * sched-rgn.c (region_sched_info): Initialize new fields.
10687 (get_block_head_tail): Adjust all uses.
10688 (last_was_jump): Removed. Adjust users.
10689 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10690 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10691 Implement new hooks.
10692 (check_dead_notes1): New static function.
10693 (struct region): New fields: dont_calc_deps, has_real_ebb.
10694 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10695 (BB_TO_BLOCK): Fixed to handle EBBs.
10696 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10697 (ebb_head): New static variable.
10698 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10699 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10701 (compute_dom_prob_ps): New assertion.
10702 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10703 global_live_at_start.
10704 (init_ready_list): New assertions.
10705 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10706 (new_ready): Add support for BEGIN_CONTROL speculation.
10707 (schedule_insns): Fixed code that updates register live information
10709 (schedule_region): Fixed to handle EBBs.
10710 (init_regions): Use extend_regions and check_dead_notes1.
10711 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10712 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10713 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10714 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10715 TARGET_SCHED_GEN_CHECK,
10716 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10717 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10718 * doc/invoke.texi (max-sched-insn-conflict-delay,
10719 sched-spec-prob-cutoff): Document.
10721 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10723 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10724 inter_tick, queue_index.
10725 (struct sched_info): Change signature of init_ready_list field.
10726 Adjust all initializations.
10727 (RESOLVED_DEPS): New access macro.
10728 (ready_add): Remove prototype.
10729 (try_ready): Add prototype.
10730 * sched-rgn.c (init_ready_list): Use try_ready.
10731 (schedule_region): Initialize
10732 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10733 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10734 (init_ready_list): Use try_ready.
10735 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10736 * lists.c (remove_list_elem): Remove `static'.
10737 (remove_free_INSN_LIST_elem): New function.
10738 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10739 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10740 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10742 (readyp): New variable.
10743 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10744 change_queue_index, resolve_dep): New static functions.
10745 (try_ready): New function. Adjust callers in sched-rgn.c and
10746 sched-ebb.c to use it instead of ready_add.
10747 (clock_var): Move at the begining of file.
10748 (rank_for_schedule): Fix typo.
10749 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10750 (ready_lastpos): Enforce assertion.
10751 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10752 update all callers.
10753 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10754 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10755 (queue_to_ready): Use free_INSN_LIST_list.
10756 (early_queue_to_ready): Fix typo.
10757 (schedule_block): Init readyp. Move init_ready_list call after the
10758 initialization of clock_var. Fix error in rejecting insn by
10759 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10760 that previously corrected INSN_TICKs. Add code for handling
10762 (set_priorities): Fix typo.
10763 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10764 Clarify comment and code that keeps current_sched_info->next_tail
10767 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10769 * sched-rgn.c (extend_rgns): New static function.
10770 (find_rgns): Use it.
10771 (gather_region_statistics, print_region_statistics): New static
10773 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10774 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10776 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10777 Andrey Belevantsev <abel@ispras.ru>
10779 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10780 * lists.c (unused_deps_list): New variable.
10781 (free_list): Add assertions to verify the proper distinguishing
10782 between INSN_LISTs and DEPS_LISTs.
10783 (find_list_elem, remove_list_elem, remove_list_node): New static
10785 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10786 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10787 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10788 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10790 (free_INSN_LIST_node): Likewise.
10791 * modulo-sched.c (current_sched_info): Initialize flags field.
10792 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10793 * rtl.def (DEPS_LIST): Define.
10794 * rtl.h: Declare new functions from lists.c.
10795 * sched-deps.c (spec_dependency_cache): New static variable.
10796 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10797 (add_dependence): Change return type to void. Move the logic to ...
10798 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10799 (delete_all_dependences): Add comment about forward_dependency_cache.
10800 Handle spec_dependency_cache. Handle DEPS_LISTs.
10801 (fixup_sched_groups): Clarify the change of priority of output
10802 and anti dependencies.
10803 (sched_analyze_2): Adjust add_dependence calls to create data
10804 speculative dependence.
10805 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10806 Adjust all callers. Handle DEPS_LISTS.
10807 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10808 presence of speculation.
10809 (init_dependency_caches, free_dependency_caches):
10810 Handle spec_dependency_cache.
10811 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10812 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10813 New static functions.
10814 (add_or_update_back_dep, add_or_update_back_forw_dep,
10815 add_back_forw_dep, delete_back_forw_dep): New functions.
10816 * sched-int.h (ds_t, dw_t): New typedefs.
10817 (struct sched_info): Add new field flags.
10818 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10819 Prototype new sched-deps.c functions.
10820 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10821 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10822 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10823 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10824 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10825 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10827 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10829 * sched-rgn.c (current_sched_info): Initialize flags field.
10830 (schedule_insns): Initialize current_sched_info before the sched_init
10832 * sched-ebb.c (current_sched_info): Initialize flags field.
10833 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10834 Call add_or_update_back_dep instead of add_dependence.
10835 Create control speculative dependencies.
10836 (schedule_insns): Initialize current_sched_info before the sched_init
10839 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10841 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10843 (sh_fallback_frame_state): Likewise.
10845 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10847 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10848 Do switch on default_use_cxa_atexit.
10849 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10850 * config/darwin-crt3.o: New.
10851 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10852 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10853 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10855 * config/rs6000/t-darwin: Move crt2.o building to here.
10856 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10857 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10860 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10862 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10863 from '! xxx' to '!xxx' for coding-style conformance.
10864 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10865 (EXTRA_CONSTRAINT): Likewise.
10866 * config/vax/vax.md (four unnamed insns): Likewise.
10868 2006-03-15 Paul Brook <paul@codesourcery.com>
10870 * config/arm/arm.c (minipool_pad): New.
10871 (add_minipool_forward_ref): Include pool alignment padding in address
10873 (push_minipool_fix): Set minipool_pad.
10874 (minipool_pad): Ditto.
10876 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10878 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10879 instead of GET_CODE() == MEM and REG_P() instead of
10881 (print_operand_address): Likewise.
10882 (vax_address_cost): Likewise.
10883 (vax_rtx_costs): Likewise.
10884 (vax_notice_update_cc): Likewise.
10885 (vax_output_int_add): Likewise.
10886 (INDEX_REGISTER_P): Likewise.
10887 (BASE_REGISTER_P): Likewise.
10888 (nonindexed_address_p): Likewise.
10889 (vax_mode_dependent_address_p): Likewise.
10890 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10891 (PRINT_OPERAND): Likewise.
10892 * config/vax/vax.md (ashlsi3): Likewise.
10893 (ashlsi3): Likewise.
10894 (some more unnamed insns): Likewise.
10896 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10898 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10899 iterator-style macro.
10900 (mark_control_dependent_edges_necessary): Update the use of
10901 EXECUTE_IF_CONTROL_DEPENDENT.
10903 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10905 * config/sh/predicates.md (cache_address_operand): Special.
10906 (ua_address_operand): Likewise.
10908 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10910 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10912 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10914 2006-03-15 Andreas Schwab <schwab@suse.de>
10916 * gensupport.c (identify_predicable_attribute): Don't free p_false
10917 when it is still in use.
10919 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10921 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10922 the default setting here.
10924 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10926 * tree-pass.h (pass_cfg): Remove.
10927 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10928 * passes.c (pass_cfg): Don't run it.
10930 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10932 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10933 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10935 (stack_regs_mentioned): Update the uses of
10936 stack_regs_mentioned_data. Don't access the array beyond its
10938 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10939 Don't include gt-reg-stack.h.
10941 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10942 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10944 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10946 PR middle-end/26684
10947 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10950 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10952 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10954 2006-03-14 Richard Guenther <rguenther@suse.de>
10956 PR tree-optimization/26672
10957 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10960 2006-03-14 Richard Guenther <rguenther@suse.de>
10962 PR tree-optimization/26667
10963 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10964 node for the callees. Always allow inlining if it will shrink
10967 2006-03-14 Richard Guenther <rguenther@suse.de>
10969 PR middle-end/26659
10970 * builtins.c (get_pointer_alignment): Prefer alignment
10971 information from decls over that from types.
10973 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10976 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10978 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10980 * config/rs6000/rs6000.opt (mdlmzb): New option.
10981 (msched-prolog, msched-epilog): Use Var not Mask.
10982 * doc/invoke.texi (-mdlmzb): Document.
10983 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10985 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10986 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10988 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10990 PR rtl-optimization/25739
10991 * bt-load.c (augment_live_range): Free tos pointer.
10993 * gensupport.c (identify_predicable_attribute): Free
10995 * gcov.c (create_file_names): Free name pointer.
10997 2006-03-13 Roger Sayle <roger@eyesopen.com>
10999 PR middle-end/26557
11000 * stmt.c (emit_case_nodes): Handle the case where the index is a
11001 CONST_INT, where the comparison mode is specified by the index type.
11003 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11005 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11008 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11010 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11011 (*branch_fp_inverted): Likewise.
11013 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11015 PR middle-end/25989
11016 * omp-low.c (expand_omp_for_generic): Mark istart0
11017 and iend0 as addressable.
11019 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11021 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11023 2006-03-13 Jeff Law <law@redhat.com>
11025 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11026 virtual operands are interesting.
11027 (vrp_visit_stmt): Corresponding changes.
11029 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11031 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11033 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11034 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11035 * config/bfin/crti.S: Use it instead of __PIC__.
11036 * config/bfin/crtn.S: Likewise.
11038 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11039 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11041 Lose 'G' modifier for call operand.
11042 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11043 recognize 'G' modifier.
11045 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11047 PR middle-end/18859
11048 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11049 * stmt.c (expand_case): Likewise.
11051 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11053 PR rtl-optimization/26254
11054 * loop-invariant.c (seq_insns_valid_p): New function.
11055 (move_invariant_reg): Only emit new code if it is valid.
11057 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11059 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11061 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11062 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11063 (commit_one_edge_insertion): Do not look for loop notes.
11065 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11067 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11068 flag_test_coverage out of loop.
11070 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11072 * final.c (shorten_branches): Remove outdated comment, and turn
11073 the if branch that guards it to continue.
11075 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11077 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11078 * cfgloop.h (struct loop): Remove unused fields.
11080 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11082 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11083 (-dL, -fdump-rtl-loop2): Update the dump file names
11085 * doc/invoke.texi: Update dump file names.
11087 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11089 * predict.c (estimate_probability): Remove.
11090 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11091 * basic-block.h (estimate_probability): Remove prototype.
11092 * passes.c (finish_optimization_passes): Dump branch prediction or
11093 profiling heuristics to the .profile tree dump.
11094 (init_optimization_passes): Unqueue pass_branch_prob.
11096 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11098 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11100 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11101 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11103 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11105 * function.h (frame_offset_overflow): Declare.
11106 * function.c (frame_offset_overflow): New function.
11107 (assign_stack_local_1): Call it to detect that the offset overflows.
11108 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11110 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11112 * config/sh/sh.c: Include alloc-pool.h.
11113 (label_ref_list_pool): New alloc pool.
11114 (label_ref_list_t): New type for lists of labels.
11115 (struct pool_node): Make wend a label_ref_list_t.
11116 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11118 (dump_table): Likewise.
11119 (sh_reorg): Set up the alloc pool before using add_constant and
11120 dump_table, and destroy it when finishing.
11122 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11124 * config/mips/mips.c: Remove redundant comment.
11126 2006-03-10 Jason Merrill <jason@redhat.com>
11129 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11130 the target was declared 'register'.
11132 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11134 * genpreds.c (write_insn_constraint_len): Change definition of
11135 insn_constraint_len to return size_t to match the declaration.
11137 2006-03-10 DJ Delorie <dj@redhat.com>
11139 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11141 (m32c_expand_insv): Fix test for an AND mask.
11143 2006-03-10 Richard Guenther <rguenther@suse.de>
11145 PR middle-end/26565
11146 * builtins.c (get_pointer_alignment): Handle component
11147 references for field alignment.
11149 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11151 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11152 when building with libgloss.
11153 (sh*elf): Implement --without-fp option.
11154 (sh64-superh-linux*): Don't multilib.
11156 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11158 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11160 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11162 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11163 Set it when one of the replacement functions returned true.
11164 Return TODO_cleanup_cfg if cfgchanged is true.
11165 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11167 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11169 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11170 instead of gen_lowpart.
11172 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11174 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11176 (mips_output_order_conditional_branch): Declare.
11177 * config/mips/mips.h (MIPS_BRANCH): New macro.
11178 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11179 for the comparison. Use gen_condjump.
11180 (mips_output_conditional_branch): Rework interface to take the
11181 asm templates for a direct branch and the inverse of a direct branch.
11182 (mips_output_order_conditional_branch): New function.
11183 (mips_builtin_branch_and_move): New function.
11184 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11185 branch condition. Use gen_single_cc as the condition for
11186 __builtin_mips_upper_* or __builtin_mips_lower_*.
11187 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11188 Use VOIDmode for the branch condition.
11189 * config/mips/predicates.md (order_operator): New predicate.
11190 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11191 (branch_fp): Rename to...
11192 (*branch_fp): ...this. Remove mode from comparison operator.
11193 Use new mips_output_conditional_branch interface.
11194 (branch_fp_inverted): Rename to...
11195 (*branch_fp_inverted): ...this and update as for *branch_fp.
11196 (*branch_zero<mode>): Rename to...
11197 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11198 Use mips_output_order_conditional_branch. Only accept ordered
11200 (*branch_zero<mode>_inverted): Rename to...
11201 (*branch_order<mode>_inverted): ...this and update as for
11202 *branch_order<mode>.
11203 (*branch_equality<mode>): Accept zero as the second operand to
11204 the equality operator. Use the new mips_output_conditional_branch
11206 (*branch_equality<mode>_inverted): Likewise.
11207 (condjump): New expander.
11208 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11210 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11211 (bc1any2t, bc1any2f): Likewise.
11212 (single_cc): New expander.
11213 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11215 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11217 * doc/md.texi: Update documentation of MIPS constraints.
11218 * config/mips/constraints.md: New file.
11219 * config/mips/mips.md: Include it.
11220 * config/mips/mips.c (mips_char_to_class): Delete.
11221 (override_options): Don't initialize mips_char_to_class.
11222 * config/mips/mips.h (mips_char_to_class): Delete.
11223 (REG_CLASS_FROM_LETTER): Delete.
11224 (CONST_OK_FOR_LETTER_P): Delete.
11225 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11226 (EXTRA_CONSTRAINT_Y): Delete.
11227 (EXTRA_CONSTRAINT_STR): Delete.
11228 (CONSTRAINT_LEN): Delete.
11229 (EXTRA_MEMORY_CONSTRAINT): Delete.
11231 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11233 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11234 original fn's eh regions.
11236 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11238 * fold-const.c (build_range_check): Make sure to use a valid type to
11239 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11242 (range_predecessor): New static function.
11243 (range_successor): Likewise.
11244 (merge_ranges): Use them to compute predecessors and successors of
11247 2006-03-09 Roger Sayle <roger@eyesopen.com>
11249 PR middle-end/26561
11250 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11251 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11253 2006-03-08 DJ Delorie <dj@redhat.com>
11255 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11256 (addpsi3): Expand to include memory operands. Remove
11257 reload-specific splits.
11258 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11259 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11260 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11261 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11262 (shift1_qi, shift1_hi, insv): New.
11263 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11264 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11265 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11267 * config/m32c/m32c-protos.h: Update as needed.
11268 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11269 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11270 Fail for unrecognized R* constraints.
11271 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11272 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11273 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11275 (m32c_init_libfuncs): New.
11276 (m32c_legitimate_address_p): Add debug wrapper.
11277 (m32c_rtx_costs): New.
11278 (m32c_address_cost): New.
11279 (conversions): Add 'B' prefix.
11280 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11281 operands, or word regnames for QI operands. 'B' prints bit
11283 (m32c_expand_setmemhi): New.
11284 (m32c_expand_movmemhi): New.
11285 (m32c_expand_movstr): New.
11286 (m32c_expand_cmpstr): New.
11287 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11288 (m32c_expand_neg_mulpsi3): Handle non-ints.
11289 (m32c_cmp_flg_0): New.
11290 (m32c_expand_movcc): New.
11291 (m32c_expand_insv): New.
11292 (m32c_scc_pattern): New.
11293 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11294 a0/a1 out of SIregs.
11295 (STORE_FLAG_VALUE): New.
11296 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11299 * config/m32c/mov.md: Make constraints more liberal.
11300 (zero_extendqihi2): Optimize r0/r1 case.
11301 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11302 * config/m32c/predicates.md (m32c_any_operand): New.
11303 (m32c_nonimmediate_operand): New.
11304 (m32c_hl_operand): New.
11305 (m32c_r3_operand): New.
11308 (memsym_operand): New.
11309 (memimmed_operand): New.
11310 (a_qi_operand): New.
11311 (m32c_eqne_operator): New.
11312 (m32c_1bit8_operand): New.
11313 (m32c_1bit16_operand): New.
11314 (m32c_1mask8_operand): New.
11315 (m32c_1mask16_operand): New.
11316 * config/m32c/blkmov.md: New file.
11317 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11319 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11321 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11322 unsigned to fix signed/unsigned comparison issue in
11323 DWARF2_FRAME_REG_OUT.
11324 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11325 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11327 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11328 of ptr into the ENABLE_CHECKING section.
11330 2006-03-08 Jeff Law <law@redhat.com>
11332 * tree-vrp.c (infer_value_range): Only count pointer uses
11333 and dereferences if -fdelete-null-pointer-checks is enabled.
11335 * tree-vrp.c (find_assert_locations): Infer value ranges for
11336 single use pointers, but do not create ASSERT_EXPRs for them.
11337 When a non-null range is inferred for a pointer, backwards
11338 propagate that range to other equivalent pointers through the
11341 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11344 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11345 language hook targets.
11346 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11347 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11348 if language hook targets were missing.
11350 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11352 * tree-ssa-opfinalize.h: Removed.
11353 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11355 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11356 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11357 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11358 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11359 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11360 finalize_ssa_v_must_def_ops): New.
11362 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11364 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11365 block as parameter.
11367 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11369 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11371 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11372 addresses with offsets; reorganize.
11374 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11375 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11376 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11378 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11381 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11383 2006-03-08 Ben Elliston <bje@au.ibm.com>
11385 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11387 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11390 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11393 2006-03-07 Richard Guenther <rguenther@suse.de>
11395 PR tree-optimization/26587
11396 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11398 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11400 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11402 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11404 * hooks.c (hook_bool_mode_rtx_true): New function.
11405 * hooks.h (hook_bool_mode_rtx_true): Declare.
11406 * toplev.c (compile_file): Call output_shared_constant_pool.
11407 * varasm.c (shared_constant_pool): New variable.
11408 (assemble_start_function, assemble_end_function): Remove arguments
11409 from call to output_constant_pool.
11410 (create_constant_pool): New function, split out from...
11411 (init_varasm_status): ...here.
11412 (force_const_mem): Choose between the shared and per-function constant
11413 pools. Set current_function_uses_const_pool when reusing old entries
11414 as well as when creating new ones.
11415 (mark_constant): Ignore data argument.
11416 (mark_constants): Remove pool argument.
11417 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11418 to decide whether the function uses a constant pool.
11419 (output_constant_pool_contents): New function, split out from...
11420 (output_constant_pool): ...here.
11421 (output_shared_constant_pool): New function.
11422 (init_varasm_once): Initialize shared_constant_pool.
11423 * output.h (output_constant_pool): Delete.
11424 (output_shared_constant_pool): Declare.
11425 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11426 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11428 2006-03-06 Nick Clifton <nickc@redhat.com>
11430 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11431 flag_strength_reduce.
11433 2006-03-06 Ben Elliston <bje@au.ibm.com>
11435 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11436 x86_64-*-linux* configurations.
11438 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11439 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11441 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11443 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11445 * basic-block.h: Remove the extern for
11446 rediscover_loops_after_threading.
11448 * cfgloop.c (cancel_loop): Make it static.
11449 * cfgloop.h: Remove the prototype for cancel_loop.
11451 * flow.c (recompute_reg_usage): Make it static.
11452 * rtl.h: Remove the prototype for recompute_reg_usage.
11454 * function.c (use_return_register): Make it static.
11455 * function.h: Remove the prototype.
11457 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11459 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11461 * recog.h: Remove the prototype for
11462 validate_change_maybe_volatile.
11464 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11466 * rtlanal.c (replace_reg): Remove.
11467 * rtl.h: Remove the prototype for replace_reg.
11469 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11471 * regclass.c (reg_scan_update): Remove.
11472 (reg_scan_mark_refs): Remove the last argument.
11473 * rtl.h: Remove the prototype for reg_scan_update.
11475 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11477 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11478 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11479 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11480 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11481 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11482 loop-invariant.c, omp-low.c, opts.c, passes.c,
11483 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11484 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11485 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11486 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11487 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11488 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11490 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11492 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11493 * dwarf2out.h: Remove the prototype for
11494 dwarf2out_add_library_unit_info.
11496 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11498 * tree.c (add_var_to_bind_expr): Remove.
11499 * tree.h: Remove the prototype for add_var_to_bind_expr.
11501 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11503 * regclass.c (n_non_fixed_regs): Remove.
11504 (init_reg_sets_1, globalize_reg): Remove all uses of
11506 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11508 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11510 * rtlanal.c (insns_safe_to_move_p): Remove.
11511 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11513 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11515 * expmed.c (expand_mult_add): Remove.
11516 * expr.h: Remove the prototype for expand_mult_add.
11518 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11520 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11521 and REG_SAVED_VAL_EXP constants.
11522 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11523 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11524 Handle regs stored by value.
11525 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11526 (execute_cfa_program): Handle DW_CFA_val_offset,
11527 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11528 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11529 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11530 (uw_install_context_1): Handle target regs stored by value.
11532 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11534 * tree-sra.c (tree_sra): Return todoflags;
11535 (generate_one_element): Set TODO_update_smt_usage if needed.
11536 (pass_sra): Remove TODO_update_smt_usage.
11537 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11539 (tree_ssa_forward_propagate_single_use_vars): Return
11540 TODO_update_smt_usage if we need to update SMT usage.
11541 (pass_forwprop): Remove TODO_update_smt_usage.
11543 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11545 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11546 (correct_use_link): Remove reference to get_stmt_operands.
11547 (update_stmt_operands): Likewise.
11548 (get_modify_expr_operands): New function factored out of
11549 parse_ssa_operands and get_expr_operands.
11550 Try to create V_MUST_DEFs for LHS by default.
11551 (get_expr_operands) <case MODIFY_EXPR>: Call
11552 get_modify_expr_operands.
11553 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11554 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11555 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11556 get_modify_expr_operands.
11558 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11560 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11561 * tree-flow.h: Remove the prototype for
11562 referenced_var_lookup_if_exists.
11564 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11566 PR rtl-optimization/26345
11568 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11570 2006-03-03 Roger Sayle <roger@eyesopen.com>
11572 PR tree-optimization/26524
11573 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11574 fold_convert to create a constant of the appropriate type.
11576 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11578 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11579 SYMBOL_REF_IN_BLOCK_P.
11580 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11581 of SYMBOL_FLAG_IN_BLOCK.
11582 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11583 instead of SYMBOL_REF_IN_BLOCK_P.
11584 * explow.c (use_anchored_address): Likewise.
11585 * rtl.c (rtx_size): Likewise.
11586 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11587 instead of SYMBOL_FLAG_IN_BLOCK.
11588 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11589 SYMBOL_REF_IN_BLOCK_P.
11590 (assemble_variable): Likewise.
11591 (output_constant_def_contents): Likewise.
11592 (output_constant_pool): Likewise.
11593 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11594 instead of SYMBOL_FLAG_IN_BLOCK.
11595 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11596 SYMBOL_REF_IN_BLOCK_P.
11597 (SYMBOL_REF_BLOCK): Likewise.
11598 (SYMBOL_REF_OFFSET): Likewise.
11599 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11600 SYMBOL_REF_IN_BLOCK_P.
11601 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11602 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11603 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11604 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11606 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11608 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11610 2006-03-02 Roger Sayle <roger@eyesopen.com>
11612 * simplify-rtx.c (simplify_unary_operation): When simplifying
11613 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11614 that we perform the right shift in the appropriate mode, and
11615 then extend or truncate the result to requested mode.
11617 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11619 * gengtype.c (main): Handle double_int type.
11620 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11621 * double-int.c: New file.
11622 * double-int.h: New file.
11623 * system.h: Include doubleint.h.
11624 * Makefile.in (SYSTEM_H): Include double-int.h.
11625 (double-int.o): Add.
11627 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11630 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11633 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11635 * tree-vrp.c (remove_range_assertions): Do not update statements
11638 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11640 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11642 * gcse.c (rest_of_handle_gcse): Ditto.
11643 * except.c (gate_handle_eh): Ditto.
11644 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11645 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11647 2006-03-02 Eric Christopher <echristo@apple.com>
11649 * config/i386/i386.c (machopic_output_stub): Add indirection to
11652 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11656 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11658 Sun Niagara specific optimizations.
11659 * config.gcc: Recognize niagara as target.
11660 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11661 (TARGET_CPU_niagara): Define.
11662 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11663 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11664 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11665 (ASM_CPU_SPEC): Likewise.
11666 (PROCESSOR_NIAGARA): New enum entry.
11667 (REGISTER_MOVE_COST): Handle Niagara.
11668 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11669 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11670 (sparc_override_options): Recognize "niagara", set appropriate
11671 default MASK_* values for it, and align functions to 32-bytes
11672 by default just like ULTRASPARC/ULTRASPARC3.
11673 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11674 (sparc64_initialize_trampoline): Likewise.
11675 (sparc_use_sched_lookahead): Use zero for niagara.
11676 (sparc_issue_rate): Use one for niagara.
11677 * config/sparc/niagara.md: New file.
11678 * config/sparc/sparc.md: Include it.
11679 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11680 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11681 when default cpu is niagara.
11682 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11683 (ASM_CPU_SPEC): Likewise.
11684 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11685 when default cpu is niagara.
11686 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11687 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11688 just like v9/ultrasparc/ultrasparc3.
11689 * doc/invoke.texi: Add documentation for "niagara" and improve
11690 existing documentation for ultrasparc variants.
11692 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11694 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11696 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11698 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11699 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11700 and say that only one is needed.
11701 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11702 * target.h (have_switchable_bss_sections): New hook.
11703 * explow.c (use_anchored_address): Check that the symbol is in a block.
11704 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11705 (bss_noswitch_section): New variables.
11706 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11707 (get_noswitch_section): New function.
11708 (get_block_for_section): Allow SECT to be null.
11709 (unlikely_text_section_p): Use SECTION_STYLE.
11710 (bss_initializer_p): New function.
11711 (get_variable_section): Move earlier in file. Take a new argument,
11712 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11713 Return one of the new *_sections in such cases.
11714 (get_block_for_decl): New function, extracting some logic from
11715 use_blocks_for_decl_p.
11716 (change_symbol_section): Remove in favor of...
11717 (change_symbol_block): ...this new function.
11718 (use_blocks_for_decl_p): Remove checks now performed by
11719 get_block_for_decl.
11720 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11721 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11722 (emit_local, emit_bss, emit_common): ...these new functions.
11723 Return true if the alignment was honored.
11724 (emit_tls_common): New function.
11725 (asm_emit_uninitialised): Delete.
11726 (assemble_variable_noswitch): New function, split out from...
11727 (assemble_variable): ...here. Don't make decisions about common
11728 variables here. Globalize all public decls that go into non-common
11729 sections. Check whether SYMBOL_REF_BLOCK is null.
11730 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11731 (output_constant_pool): Likewise.
11732 (init_varasm_once): Initialize the new section variables.
11733 (have_global_bss_p): New function.
11734 (categorize_decl_for_section): Use bss_initializer_p.
11735 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11736 (place_block_symbol): Assert that the symbol must be in a block.
11737 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11738 (TARGET_INITIALIZER): Include it.
11739 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11740 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11741 (SECTION_MACH_DEP): Bump by two.
11742 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11743 (unnamed_section): Mention SECTION_UNNAMED in comment.
11744 (named_section): Likewise SECTION_NAMED.
11745 (noswitch_section_callback): New type.
11746 (noswitch_section): New structure.
11747 (section): Add a noswitch_section alternative.
11748 (SECTION_STYLE): New macro.
11749 (tls_comm_section, comm_section, lcomm_section): Declare.
11750 (bss_noswitch_section, have_global_bss_p): Declare.
11751 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11752 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11754 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11755 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11758 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11760 * tree-vrp.c (execute_vrp): Return value.
11761 * regrename.c (rest_of_handle_regrename): Ditto.
11762 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11763 * tree-complex.c (tree_lower_complex): Ditto.
11764 (tree_lower_complex_O0): Ditto.
11765 * tracer.c (rest_of_handle_tracer): Ditto.
11766 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11767 * postreload.c (rest_of_handle_postreload): Ditto.
11768 * tree-tailcall.c (execute_tail_recursion): Ditto.
11769 (execute_tail_calls): Ditto.
11770 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11771 * tree.h (init_function_for_compilation): Ditto.
11772 * ipa-cp.c (ipcp_driver): Ditto.
11773 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11774 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11775 * final.c (compute_alignments): Ditto.
11776 (rest_of_handle_final): Ditto.
11777 (rest_of_handle_shorten_branches): Ditto.
11778 (rest_of_clean_state): Ditto.
11779 * omp-low.c (execute_expand_omp): Ditto.
11780 (execute_lower_omp): Ditto.
11781 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11782 * ipa-reference.c (static_execute): Ditto.
11783 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11784 * reorg.c (rest_of_handle_delay_slots): Ditto.
11785 (rest_of_handle_machine_reorg): Ditto.
11786 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11787 * flow.c (recompute_reg_usage): Ditto.
11788 (rest_of_handle_remove_death_notes): Ditto.
11789 (rest_of_handle_life): Ditto.
11790 (rest_of_handle_flow2): Ditto.
11791 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11792 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11793 (do_ssa_store_ccp): Ditto.
11794 (execute_fold_all_builtins): Ditto.
11795 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11796 * modulo-sched.c (rest_of_handle_sms): Ditto.
11797 * ipa-pure-const.c (static_execute): Ditto.
11798 * cse.c (rest_of_handle_cse): Ditto.
11799 (rest_of_handle_cse2): Ditto.
11800 * web.c (rest_of_handle_web): Ditto.
11801 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11802 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11803 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11804 * tree-nrv.c (tree_nrv): Ditto.
11805 (execute_return_slot_opt): Ditto.
11806 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11807 (create_structure_vars): Ditto.
11808 * loop-init.c (rtl_loop_init): Ditto.
11809 (rtl_loop_done): Ditto.
11810 (rtl_move_loop_invariants): Ditto.
11811 (rtl_unswitch): Ditto.
11812 (rtl_unroll_and_peel_loops): Ditto.
11813 (rtl_doloop): Ditto.
11814 * gimple-low.c (lower_function_body): Ditto.
11815 (mark_used_blocks): Ditto.
11816 * tree-ssa-sink.c (execute_sink_code): Ditto.
11817 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11818 (cgraph_early_inlining): Ditto.
11819 * global.c (rest_of_handle_global_alloc): Ditto.
11820 * jump.c (cleanup_barriers): Ditto.
11821 (purge_line_number_notes): Ditto.
11822 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11823 (rest_of_handle_if_after_reload): Ditto.
11824 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11825 (tree_ssa_loop_im): Ditto.
11826 (tree_ssa_loop_unswitch): Ditto.
11827 (tree_vectorize): Ditto.
11828 (tree_linear_transform): Ditto.
11829 (tree_ssa_loop_ivcanon): Ditto.
11830 (tree_ssa_empty_loop): Ditto.
11831 (tree_ssa_loop_bounds): Ditto.
11832 (tree_complete_unroll): Ditto.
11833 (tree_ssa_loop_prefetch): Ditto.
11834 (tree_ssa_loop_ivopts): Ditto.
11835 (tree_ssa_loop_done): Ditto.
11836 * predict.c (tree_estimate_probability): Ditto.
11837 * recog.c (split_all_insns_noflow): Ditto.
11838 (rest_of_handle_peephole2): Ditto.
11839 (rest_of_handle_split_all_insns): Ditto.
11840 * tree-eh.c (lower_eh_constructs): Ditto.
11841 * regmove.c (rest_of_handle_regmove): Ditto.
11842 (rest_of_handle_stack_adjustments): Ditto.
11843 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11844 * function.c (instantiate_virtual_regs): Ditto.
11845 (init_function_for_compilation): Ditto.
11846 (rest_of_handle_check_leaf_regs): Ditto.
11847 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11848 (rest_of_handle_gcse): Ditto.
11849 * ipa-type-escape.c (type_escape_execute): Ditto.
11850 * alias.c (rest_of_handle_cfg): Ditto.
11851 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11852 * profile.c (rest_of_handle_branch_prob): Ditto.
11853 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11854 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11855 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11856 * tree-dfa.c (find_referenced_vars): Ditto.
11857 * except.c (set_nothrow_function_flags): Ditto.
11858 (convert_to_eh_region_ranges): Ditto.
11859 (rest_of_handle_eh): Ditto.
11860 * emit-rtl.c (unshare_all_rtl): Ditto.
11861 (remove_unnecessary_notes): Ditto.
11862 * except.h (set_nothrow_function_flags): Ditto.
11863 (convert_to_eh_region_ranges): Ditto.
11864 * cfgexpand.c (tree_expand_cfg): Ditto.
11865 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11866 * tree-ssa-pre.c (do_pre): Ditto.
11867 (execute_fre): Ditto.
11868 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11869 (rest_of_handle_jump2): Ditto.
11870 * tree-sra.c (tree_sra): Ditto.
11871 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11872 (execute_mudflap_function_decls): Ditto.
11873 * tree-ssa-copy.c (do_copy_prop): Ditto.
11874 (do_store_copy_prop): Ditto.
11875 * ipa-prop.h (ipcp_driver): Ditto.
11876 * cfglayout.c (insn_locators_initialize): Ditto.
11877 * tree-ssa-forwprop.c
11878 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11879 * cfglayout.h (insn_locators_initialize): Ditto.
11880 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11881 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11882 (execute_late_warn_uninitialized): Ditto.
11883 * rtl.h (cleanup_barriers): Ditto.
11884 (split_all_insns_noflow): Ditto.
11885 (purge_line_number_notes): Ditto.
11886 (unshare_all_rtl): Ditto.
11887 (remove_unnecessary_notes): Ditto.
11888 (recompute_reg_usage): Ditto.
11889 (variable_tracking_main): Ditto.
11890 * integrate.c (emit_initial_value_sets): Ditto.
11891 * integrate.h (emit_initial_value_sets): Ditto.
11892 * tree-optimize.c (execute_free_datastructures): Ditto
11893 (execute_free_cfg_annotations): Ditto.
11894 (execute_fixup_cfg): Ditto.
11895 (execute_cleanup_cfg_pre_ipa): Ditto.
11896 (execute_cleanup_cfg_post_optimizing): Ditto.
11897 (execute_init_datastructures): Ditto.
11898 * tree-object-size.c (compute_object_sizes): Ditto.
11899 * combine.c (rest_of_handle_combine): Ditto.
11900 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11901 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11902 (rest_of_handle_reorder_blocks): Ditto.
11903 (rest_of_handle_partition_blocks): Ditto.
11904 * var-tracking.c (variable_tracking_main): Ditto.
11905 * tree-profile.c (tree_profiling): Ditto.
11906 * tree-vect-generic.c (expand_vector_operations): Ditto.
11907 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11908 * sched-rgn.c (rest_of_handle_sched): Ditto.
11909 (rest_of_handle_sched2): Ditto.
11910 * basic-block.h (free_bb_insn): Ditto.
11911 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11912 * tree-cfg.c (execute_build_cfg): Ditto.
11913 (remove_useless_stmts): Ditto.
11914 (split_critical_edges): Ditto.
11915 (execute_warn_function_return): Ditto.
11916 (execute_warn_function_noreturn): Ditto.
11917 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11918 * cfgrtl.c (free_bb_for_insn): Ditto.
11919 * passes.c (execute_one_pass): Run additional
11920 todos returned by execute function.
11921 * tree-pass.h (struct tree_opt_pass): Make execute
11924 2006-03-02 Richard Guenther <rguenther@suse.de>
11926 * tree-ssa-alias.c (find_used_portions): Consider taking
11927 the address as making the variable not write-only.
11929 2006-03-02 Nick Clifton <nickc@redhat.com>
11931 * config.gcc (default_use_cxa_atexit): Extend the description of
11932 this configure variable. Set its default value to "yes" for
11933 Linux, NetBSD and ELF targets on the assumption that they will
11934 use C libraries with the __cxa_atexit function.
11936 2006-03-02 Ben Elliston <bje@au.ibm.com>
11938 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11939 parameter as unused to suppress a build warning.
11941 2006-03-02 Ben Elliston <bje@au.ibm.com>
11943 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11946 2006-03-01 Roger Sayle <roger@eyesopen.com>
11949 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11950 declared name, the weak reference name, and the typeof name.
11951 (__gthrw): Avoid expanding the declared name suffix.
11952 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11954 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11956 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11958 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11959 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11960 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11961 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11962 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11963 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11964 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11965 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11966 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11967 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11968 (DW_END_default, DW_END_big, DW_END_little): New.
11969 (DW_END_lo_user, DW_END_hi_user): Define.
11970 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11971 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11972 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11975 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11977 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11979 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11981 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11983 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11985 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11986 to 'symbol_mem_tag'.
11988 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11991 2006-03-01 Roger Sayle <roger@eyesopen.com>
11993 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11995 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11998 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11999 MACHO_DYNAMIC_NO_PIC_P.
12000 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12002 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12005 * config/darwin-protos.h (darwin_asm_output_anchor):
12007 * config/darwin-sections.def (cstring_section):
12008 Add SECTION_MERGE to the flags.
12009 (literal4_section): Likewise.
12010 (literal8_section): Likewise.
12011 (objc_selector_refs_section): Likewise.
12012 (objc_cls_refs_section): Likewise.
12013 * config/darwin.c (darwin_asm_output_anchor): New
12015 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12017 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12019 Fix PR tree-optimization/26443
12020 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12021 to todo and PROP_tmt_usage to properties_destroyed.
12022 * tree-ssa-ccp.c (pass_ccp): Ditto.
12023 (pass_store_ccp): Ditto.
12024 * tree-ssa-dom.c (pass_dominator): Ditto.
12026 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12028 * tree-ssa-operands.c: Cleanup whitespace.
12029 (get_asm_expr_operands): Move before first invocation.
12030 (get_indirect_ref_operands): Likewise.
12031 (get_tmr_operands): Likewise.
12032 (get_call_expr_operands): Likewise.
12033 (append_def): Likewise.
12034 (append_use): Likewise.
12035 (append_v_may_def): Likewise.
12036 (append_v_must_def): Likewise.
12037 (add_call_clobber_ops): Likewise.
12038 (add_call_read_ops): Likewise.
12039 (add_stmt_operand): Likewise.
12040 (add_virtual_operand): Likewise.
12041 (build_ssa_operands): Likewise.
12043 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12045 PR middle-end/26022
12047 PR middle-end/24437
12048 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12049 with a call expr to ...
12050 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12052 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12054 * tree-vrp.c (extract_range_from_assert): Remove special
12055 handling for types with super-types.
12057 2006-03-01 Ben Elliston <bje@au.ibm.com>
12059 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12060 and powerpc64-*-linux* configurations.
12061 * config/t-dfprules: New file.
12063 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12064 Compile dfp-bit.c from the source directory using -DWIDTH and
12065 $DFP_CFLAGS to control the compilation of that file, rather than
12066 generating width-specific versions in the build directory.
12067 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12068 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12070 2006-02-28 Zack Weinberg <zackw@panix.com>
12072 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12075 2006-02-28 Eric Christopher <echristo@apple.com>
12077 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12078 Set up IN_LIBGCC definition of TARGET_64BIT.
12079 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12081 2006-02-28 Roger Sayle <roger@eyesopen.com>
12083 PR middle-end/14752
12084 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12085 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12086 cases via the construction of "expr != 0".
12088 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12090 * alias.c (alias_invariant, alias_invariant_size): Remove.
12091 (record_base_value): Remove.
12092 (memrefs_conflict_p): Don't look at alias_invariant.
12093 (end_alias_analysis): Don't free it.
12094 * alias.h (record_base_value): Remove prototype.
12096 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12097 Adam Nemet <anemet@caviumnetworks.com>
12099 * rtl.h (truncated_to_mode): Declare it.
12100 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12101 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12102 (RTL_HOOKS_INITIALIZER): Include it.
12103 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12104 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12105 reg_truncated_to_mode.
12106 * rtlanal.c (truncated_to_mode): Define it.
12107 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12109 2006-02-28 Jeff Law <law@redhat.com>
12111 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12112 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12113 the range allowed by TYPE_PRECISION.
12115 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12117 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12119 PR tree-optimization/26419
12120 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12123 2006-02-27 Zack Weinberg <zackw@panix.com>
12125 * doc/md.texi: Fix typo in previous change.
12127 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12131 2006-02-27 Zack Weinberg <zackw@panix.com>
12133 * rtl.def (define_constraint, define_register_constraint)
12134 (define_memory_constraint, define_address_constraint): New MD forms.
12135 * gensupport.c (process_rtx): Put define_constraint etc on the
12137 * genpreds.c (process_define_predicate): Adjust comment. Validate
12138 the name, and call validate_exp to validate the expression.
12139 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12140 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12141 all callers changed.
12142 (validate_exp, needs_variable, struct constraint_data)
12143 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12144 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12145 (const_dbl_constraints, constraint_max_namelen)
12146 (have_register_constraints, have_memory_constraints)
12147 (have_address_constraints, have_address_constraints)
12148 (have_extra_constraints, have_const_int_constraints)
12149 (have_const_dbl_constraints, mangle, add_constraint)
12150 (process_define_constraint, process_define_register_constraint)
12151 (write_enum_constraint_num, write_lookup_constraint)
12152 (write_insn_constraint_len, write_regclass_for_constraint)
12153 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12154 (write_insn_extra_memory_constraint)
12155 (write_insn_extra_address_constraint)
12156 (write_satisfies_constraint_fns): New.
12157 (write_tm_preds_h): If we have new-style constraint definitions,
12158 prototype the functions generated from them, and define the
12159 old constraint interface (still used by generic code) in terms of
12161 (write_insn_preds_c): If we have new-style constraint definitions,
12162 generate all relevant functions from those definitions.
12163 (main): Handle define_constraint etc.
12164 * genoutput.c (struct constraint_data, indep_constraints)
12165 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12166 (mdep_constraint_len): New data structures and functions, defined
12167 #ifdef USE_MD_CONSTRAINTS.
12168 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12169 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12170 use new logic to validate operand constraints against constraint
12172 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12174 * defaults.h: If none of the old-style constraint macros are
12175 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12176 old-style macros; and poison REG_CLASS_FROM_LETTER,
12177 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12179 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12180 * doc/md.texi: Document new constraint-definition mechanism and the
12181 C interface it provides. Remove references to old mechanism
12182 elsewhere in the document.
12183 (Machine Constraints): Use pathnames relative to gcc directory,
12184 i.e. config/ARCH/FILE. Change i386 section to refer to
12185 config/i386/predicates.md; update that section to match docstrings.
12186 * doc/tm.texi: Move all documentation of the old constraint-
12187 definition macros to their own section, clearly mark as obsolete.
12189 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12190 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12192 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12193 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12194 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12195 constraint strings.
12196 (splits and peepholes): Use satisfies_constraint_*.
12197 * config/i386/i386.c (memory_address_length)
12198 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12200 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12202 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12203 scalar operation to be put back into the loop.
12205 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12208 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12209 (extract_cie_info): Handle S flag in augmentation string.
12210 (execute_cfa_program): If context->signal_frame, execute also
12211 fs->pc == context->ra instructions.
12212 (uw_frame_state_for): If context->signal_frame, don't subtract one
12213 from context->ra to find FDE.
12214 (uw_update_context_1): Set context->signal_frame to
12216 (_Unwind_GetIPInfo): New function.
12217 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12218 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12220 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12221 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12222 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12223 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12224 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12225 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12226 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12227 x86_64_fallback_frame_state): Set fs->signal_frame.
12228 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12229 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12230 (frob_update_context): Likewise. Workaround missing S flag in
12231 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12232 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12233 Remove the psw_addr + 1 hack.
12235 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12237 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12238 with aggregates here.
12239 (find_func_aliases): Remove code for &<aggregate> from here.
12241 2006-02-26 Roger Sayle <roger@eyesopen.com>
12243 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12244 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12245 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12246 as (X & C) ne/eq 0.
12248 2006-02-26 Roger Sayle <roger@eyesopen.com>
12250 PR middle-end/19983
12251 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12253 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12255 * opts.c (decode_options): Do not handle flag_strength_reduce.
12256 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12257 and OPT_fstrength_reduce.
12258 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12259 flag_prefetch_loop_arrays for being nonzero.
12260 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12262 (fprefetch-loop-arrays-rtl): Removed.
12263 (flag_prefetch_loop_arrays): Do not specify the value.
12265 * doc/passes.texi: Update documentation of loop optimizer
12267 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12268 -frerun-loop-opt): Remove.
12270 2006-02-26 Richard Guenther <rguenther@suse.de>
12272 PR tree-optimization/26421
12273 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12274 in function calls that are ADDR_EXPRs as using the whole structure.
12276 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12278 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12279 * tree-pass.h (pass_loop_optimize): Remove.
12280 * passes.c (pass_loop_optimize): Never run it.
12281 * toplev.c (backend_init): Don't call init_loop.
12282 * opts.c (flag_loop_optimize_set): Remove.
12283 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12284 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12285 the old RTL loop optimizer when profiling enabled.
12286 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12287 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12288 pre-headers for the sake of the old RTL loop optimizer.
12289 * Makefile.in: Remove all references to loop.o.
12291 * doc/invoke.texi: Remove all references to -floop-optimize
12292 and -frerun-loop-opt.
12294 2006-02-26 Zack Weinberg <zackw@panix.com>
12296 * doc/md.texi (Machine Constraints): Refer to all files with paths
12297 relative to gcc directory (i.e. config/CPU/file). Add missing
12298 @table @code ... @end table to M32C subsection.
12300 2006-02-26 Roger Sayle <roger@eyesopen.com>
12302 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12304 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12306 2006-02-26 Roger Sayle <roger@eyesopen.com>
12307 James A. Morrison <phython@gcc.gnu.org>
12309 PR middle-end/21137
12310 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12311 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12312 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12313 signedness of the shift operation.
12315 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12317 PR tree-optimization/26359
12318 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12320 2006-02-25 Roger Sayle <roger@eyesopen.com>
12322 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12323 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12324 as X == 0, and some symmetry related transformations.
12325 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12327 2006-02-25 Roger Sayle <roger@eyesopen.com>
12329 PR middle-end/23673
12330 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12331 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12332 symmetry related transformations. Fold (X^C1) == C2 as
12335 2006-02-25 Juergen Weigert <jw@suse.de>
12336 Richard Guenther <rguenther@suse.de>
12338 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12340 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12342 * combine.c (gen_lowpart_or_truncate): Call
12343 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12345 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12347 * doc/invoke.texi: Move -fopenmp description to "Options for
12349 Remove reference to -lgomp.
12351 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12353 * doc/install.texi: Require GNU tar version 1.14.
12355 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12357 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12358 * doc/invoke.texi (C++ Dialect Options): Document
12359 -fno-use-cxa-get-exception-ptr.
12360 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12361 * configure: Regenerate.
12362 * c.opt (fuse-cxa-get-exception-ptr): New.
12363 * c-opts.c (c_common_handle_option): Handle
12364 OPT_fuse_cxa_get_exception_ptr.
12365 * c-common.c (flag_use_cxa_atexit): Update documentation.
12366 (flag_use_cxa_get_exception_ptr): New.
12367 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12368 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12370 (C_COMMON_OVERRIDE_OPTIONS): New.
12372 2006-02-24 Roger Sayle <roger@eyesopen.com>
12374 PR middle-end/24952
12375 * combine.c (try_combine): Explicitly check whether GET_CODE is
12376 a SET or a CLOBBER, instead on checking that it isn't a USE.
12378 2006-02-24 Roger Sayle <roger@eyesopen.com>
12380 * fold-const.c (fold_comparison): New subroutine of fold_binary
12381 containing transformations common to both the equality and
12382 ordering relational operators, factored out of fold_binary.
12383 (fold_binary): Separate out the equality operators (EQ_EXPR
12384 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12385 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12386 transformations common to both.
12387 (fold_div_compare): Fix latent bugs in the previously unreachable
12388 LT_EXPR and GE_EXPR cases.
12390 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12392 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12393 decl libname for clog to __clog on AIX.
12395 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12397 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12400 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12401 output traceback table for thunks. Localise rs6000_stack_info call.
12403 2006-02-23 Roger Sayle <roger@eyesopen.com>
12404 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12406 * gthr-posix.h (__gthrw): Fix typo in comment.
12408 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12410 * doc/cpp.texi (Character sets): Document that we do support
12411 input files to be in any character set.
12413 2006-02-23 Jeff Law <law@redhat.com>
12415 * tree.h (PHI_ARG_NONZERO): Remove.
12416 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12417 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12418 node to the new node.
12420 PR tree-optimization/26425
12421 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12422 min/max, then assume its varying.
12424 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12426 PR rtl-optimization/26316
12427 * rtlanal.c (enum may_trap_p_flags): New.
12428 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12429 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12430 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12431 (may_trap_after_code_motion_p): New function.
12432 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12433 (find_invariant_insn): Use may_trap_after_code_motion_p.
12434 * rtl.h (may_trap_after_code_motion_p): Declare.
12436 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12438 * emit-rtl.c (immed_double_const): Cleanup.
12440 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12442 Fix PR tree-optimization/26376
12443 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12446 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12448 PR middle-end/26412
12449 * gimplify.c (omp_add_variable): Guard variable size decl test with
12450 DECL_SIZE (decl) check.
12452 2006-02-23 Richard Guenther <rguenther@suse.de>
12454 PR middle-end/26439
12455 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12456 like aggregate types.
12458 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12460 * configure.ac: Add --with{,out}-long-double-128 configure option.
12461 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12462 * configure: Rebuilt.
12463 * config.in: Rebuilt.
12464 * doc/install.texi (Options specification): Document
12465 --with-long-double-128.
12467 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12468 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12469 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12470 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12472 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12474 * config/s390/s390.c (override_options): Handle
12475 TARGET_DEFAULT_LONG_DOUBLE_128.
12477 * config/alpha/alpha.c (override_options): Handle
12478 TARGET_DEFAULT_LONG_DOUBLE_128.
12480 * config/sparc/sparc.c (sparc_override_options): Handle
12481 TARGET_DEFAULT_LONG_DOUBLE_128.
12483 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12485 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12486 (real-install-headers-tar, real-install-headers-cpio)
12487 (real-install-headers-cp): New targets.
12489 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12491 * tree.h (variable_section): Delete.
12492 * varasm.c (variable_section): Delete.
12494 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12496 * install.texi: Add notes on install.texi2html.
12497 (Building in parallel): Do not use footnotes.
12499 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12502 * doc/install.texi (Configuration): Document --disable-libgomp.
12504 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12506 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12508 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12510 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12511 (vec_extractv2df_0_sse): New.
12513 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12515 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12516 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12517 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12518 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12519 to the result of the expression.
12520 (def_cfa_1): Adjust.
12521 (frame_pointer_cfa_offset): Rename to...
12522 (frame_pointer_fb_offset): ... this. Adjust all uses.
12523 (convert_cfa_to_loc_list): Rename to...
12524 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12525 Pass it on to build_cfa_loc.
12526 (compute_frame_pointer_to_cfa_displacement): Rename to...
12527 (compute_frame_pointer_to_fb_displacement): ... this. New
12528 offset parameter. Use it in computation.
12529 (gen_subprogram_die): Compute cfa_fb_offset with the new
12530 macro, and use it to compute the fb loc list and the
12533 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12535 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12536 replaced with register_operand.
12537 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12538 non-DREG is expensive.
12539 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12540 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12543 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12545 * doc/install.texi2html: Use set -e.
12547 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12549 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12550 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12551 * doc/invoke.texi (-fshared-data): Delete.
12552 * common.opt (fshared-data): Delete.
12553 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12554 (assemble_static_space): Remove #if 0 code.
12555 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12556 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12557 * config/cris/cris.h: Remove FIXME.
12559 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12561 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12564 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12566 PR middle-end/26379
12567 * combine.c (simplify_shift_const_1): Disable nested shifts
12568 optimization for vector shifts.
12570 2006-02-20 Roger Sayle <roger@eyesopen.com>
12572 PR tree-optimization/26361
12573 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12574 of unsigned integer types.
12576 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12578 * tree-chrec.c (eq_evolutions_p): New.
12579 * tree-chrec.h (eq_evolutions_p): Declared.
12580 * tree-data-ref.c: Fix formatting.
12581 (datadep_stats, dependence_stats): New.
12583 (print_direction_vector): New.
12584 (dump_data_dependence_relation): Use print_direction_vector.
12585 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12586 (compute_subscript_distance): Static.
12587 (initialize_data_dependence_relation): Static. Get the number
12588 of loops surrounding the references from the callers, and initialize
12589 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12590 base_object_differ_p analyzers.
12591 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12592 compute_overlap_steps_for_affine_1_2,
12593 analyze_subscript_affine_affine): Count the classified dependences.
12594 Print a message when a test failed.
12595 (can_use_analyze_subscript_affine_affine): New.
12596 (analyze_siv_subscript): Compute the data dependences on symbolic
12597 scevs that verify can_use_analyze_subscript_affine_affine.
12598 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12599 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12600 Handle symbolic scevs.
12601 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12603 (subscript_dependence_tester): Moved...
12604 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12605 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12606 DDR_SIZE_VECT instead of getting it in parameter.
12607 (subscript_dependence_tester): ... here. Take as a parameter
12608 loop_nest_depth. Call build_classic_dist_vector and
12609 build_classic_dir_vector.
12610 (compute_affine_dependence): Update subscript_dependence_tester
12611 parameters. Update datadep_stats counters. Call
12612 compute_subscript_distance.
12613 (compute_self_dependence): Save the dist and dir vectors. Call
12614 compute_subscript_distance.
12615 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12616 (compute_all_dependences): Reorder parameters as they were before
12617 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12618 compute_subscript_distance. Update the use of
12619 compute_affine_dependence and initialize_data_dependence_relation.
12620 (find_data_references_in_loop): Handle COMPONENT_REF.
12621 (compute_data_dependences_for_loop): Initialize dependence_stats.
12622 Don't call build_classic_dist_vector and build_classic_dir_vector.
12623 Update the parameters of initialize_data_dependence_relation and
12624 compute_all_dependences. Print the statistics from datadep_stats.
12625 (analyze_all_data_dependences): Static. Not used until the pass for
12626 checking the data dependences is contributed.
12627 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12628 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12629 (initialize_data_dependence_relation, compute_affine_dependence,
12630 analyze_all_data_dependences, compute_subscript_distance): Removed.
12631 (print_direction_vector): New.
12632 * lambda.h (gcd): ... here.
12633 (lambda_vector_gcd): Moved here from gcd_vector.
12634 * lambda-code.c (gcd, gcd_vector): Removed.
12635 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12636 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12638 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12640 * ipa-type-escape.c: Tidy some comments and white space.
12641 * tree-ssa-operands.c: Likewise.
12643 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12646 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12647 (dump_decl_name): Do not walk the decl tree chains.
12648 * tree-pass.h (TDF_CHAIN): Remove.
12650 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12652 * Makefile.in (C): Remove
12654 (.PHONY): Remove C and PROTO
12656 2006-02-20 Roger Sayle <roger@eyesopen.com>
12658 PR middle-end/26236
12659 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12660 deprecated CHAR_TYPE tree code.
12662 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12664 * configure.ac (target_list): Add install-info, dvi, html.
12665 * configure: Regenerate.
12667 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12668 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12669 treelang/Make-lang.in: Do not use double-colon rules.
12671 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12673 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12674 (TMT_USED_ALONE): New macro.
12675 * tree-pass.h (PROP_tmt_usage): New property.
12676 (TODO_update_tmt_usage): New todo.
12677 * tree-ssa-alias.c (updating_used_alone): New variable.
12678 (recalculate_used_alone): New function.
12679 (compute_may_aliases): Set updating_used_alone, call
12680 recalculate_used_alone.
12681 * tree-sra.c (pass_sra): Note that this pass destroys
12682 PROP_tmt_usage, and add TODO_update_tmt_usage.
12683 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12684 * tree-flow.h (updating_used_alone): Prototype.
12685 (recalculate_used_alone): Ditto.
12686 * passes.c (execute_todo): Add code to set updating_used_alone,
12687 and call recalculate.
12688 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12689 for clobber if used alone, and add assert to verify used_alone
12692 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12694 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12695 for non tls symbols added.
12696 (legitimize_address): Do nothing for PLUS expressions if one of the
12697 addends is a tls symbol reference.
12699 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12703 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12705 * Makefile.in (BOOTSTRAPPING): New.
12706 (quickstrap): New definition if BOOTSTRAPPING=yes.
12708 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12709 * configure.ac: Substitute all_selected_languages with the languages
12710 that were configured. For all the other variables except
12711 lang_specs_files, include all the languages in the tree.
12712 * configure: Regenerate.
12714 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12715 if there is one. Run the commands to run fixincludes in the same
12718 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12719 * doc/install.texi: Document exact conventions for searching target tools.
12720 Document --with-build-time-tools. Document toplevel bootstrap. Document
12721 something more about building an Ada cross-compiler. Don't list GNU Make
12722 requirements which affect all platforms.
12724 2006-02-19 Roger Sayle <roger@eyesopen.com>
12726 PR middle-end/19543
12727 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12728 only equivalent if the have both the same mode and precision.
12730 2006-02-20 Ben Elliston <bje@au.ibm.com>
12732 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12734 2006-02-19 Roger Sayle <roger@eyesopen.com>
12735 Steven Bosscher <stevenb.gcc@gmail.com>
12737 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12738 constant pool references to identify stack mode constants.
12739 * rtlanal.c (constant_pool_constant_p): New predicate to check
12740 whether operand is a floating point constant in the pool.
12741 * rtl.h (constant_pool_constant_p): Prototype here.
12742 * loop.c (scan_loop): Avoid hoisting constants from the constant
12743 pool on STACK_REGS targets.
12744 (load_mems): Likewise.
12745 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12746 loads into x87 registers expensive in terms of register pressure.
12748 2006-02-19 Roger Sayle <roger@eyesopen.com>
12750 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12751 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12753 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12755 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12756 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12758 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12760 * doc/invoke.texi: Document -fipa-pta.
12761 * common.opt: Add ipa-pta option.
12762 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12763 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12764 (do_ds_constraint): Ditto.
12765 (get_constraint_for): Only add to referenced_vars if
12766 referenced_vars exists.
12767 (insert_into_field_list): Rewrite to do this unsorted.
12768 (insert_into_field_list_sorted): Rename old insert_into_field_list
12770 (create_function_info_for): Use insert_into_field_list_sorted.
12771 (create_variable_info_for): Rewrite so it uses unsorted version,
12772 since the field list is sorted.
12773 (intra_create_variable_infos): Only add to referenced_vars if
12774 referenced_vars exists.
12775 (ipa_pta_execute): Init heapvars, and delete when done.
12776 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12778 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12780 * doc/install.texi: Add missing `@samp'.
12782 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12784 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12787 2006-02-18 Mark Wielaard <mark@klomp.org>
12789 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12790 who added new 4.1 features, bug fixes and integration support.
12792 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12795 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12796 MEM for ABI_V4 pic.
12798 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12800 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12801 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12802 (copy_insn_1): Likewise. Don't copy each field individually.
12804 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12806 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12807 * rtl.c (rtx_size): Rename variable to...
12808 (rtx_code_size): ...this.
12809 (rtx_size): New function.
12810 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12811 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12813 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12814 * rtl.h (rtx_code_size): New variable.
12815 (rtx_size): Change from a variable to a function.
12816 (RTX_SIZE): Rename to...
12817 (RTX_CODE_SIZE): ...this.
12820 PR tree-optimization/17106
12821 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12822 (Anchored Addresses): New section.
12823 * doc/invoke.texi (-fsection-anchors): Document.
12824 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12825 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12826 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12827 * hooks.c (hook_bool_mode_rtx_false): New function.
12828 * hooks.h (hook_bool_mode_rtx_false): Declare.
12829 * gengtype.c (create_optional_field): New function.
12830 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12831 SYMBOL_REF_IN_BLOCK_P is true.
12832 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12833 (min_anchor_offset, max_anchor_offset): Likewise.
12834 (use_anchors_for_symbol_p): New hook.
12835 * toplev.c (compile_file): Call output_object_blocks.
12836 (target_supports_section_anchors_p): New function.
12837 (process_options): Check that -fsection-anchors is only used on
12838 targets that support it and when -funit-at-a-time is in effect.
12839 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12840 if the decl doesn't have one.
12841 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12842 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12843 of force_const_mem through use_anchored_address.
12844 (expand_expr_constant): New function.
12845 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12846 calling expand_expr for INDIRECT_REF.
12847 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12848 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12849 * expr.h (use_anchored_address): Declare.
12850 * loop-unroll.c: Don't declare rtx vectors here.
12851 * explow.c: Include output.h.
12852 (validize_mem): Call use_anchored_address.
12853 (use_anchored_address): New function.
12854 * common.opt (-fsection-anchors): New switch.
12855 * varasm.c (object_block_htab, anchor_labelno): New variables.
12856 (hash_section, object_block_entry_eq, object_block_entry_hash)
12857 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12858 (use_blocks_for_decl_p, change_symbol_section): New functions.
12859 (get_variable_section): New function, split out from assemble_variable.
12860 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12861 use_blocks_for_decl_p say so. Use change_symbol_section if the
12862 symbol has already been created.
12863 (assemble_variable_contents): New function, split out from...
12864 (assemble_variable): ...here. Don't output any code for
12865 block symbols; just pass them to place_block_symbol.
12866 Use get_variable_section and assemble_variable_contents.
12867 (get_constant_alignment, get_constant_section, get_constant_size): New
12868 functions, split from output_constant_def_contents.
12869 (build_constant_desc): Create a block symbol if use_object_blocks_p
12870 says so. Or into SYMBOL_REF_FLAGS.
12871 (assemble_constant_contents): New function, split from...
12872 (output_constant_def_contents): ...here. Don't output any code
12873 for block symbols; just pass them to place_section_symbol.
12874 Use get_constant_section and get_constant_alignment.
12875 (force_const_mem): Create a block symbol if use_object_blocks_p and
12876 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12877 (output_constant_pool_1): Add an explicit alignment argument.
12878 Don't switch sections here.
12879 (output_constant_pool): Adjust call to output_constant_pool_1.
12880 Switch sections here instead. Don't output anything for block symbols;
12881 just pass them to place_block_symbol.
12882 (init_varasm_once): Initialize object_block_htab.
12883 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12884 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12885 (place_block_symbol, get_section_anchor, output_object_block)
12886 (output_object_block_htab, output_object_blocks): New functions.
12887 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12888 (TARGET_ASM_OUT): Include it.
12889 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12890 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12891 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12892 (TARGET_INITIALIZER): Include them.
12893 * rtl.c (rtl_check_failed_block_symbol): New function.
12894 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12895 (block_symbol, object_block): New structures.
12896 (rtx_def): Add a block_symbol field to the union.
12897 (BLOCK_SYMBOL_CHECK): New macro.
12898 (rtl_check_failed_block_symbol): Declare.
12899 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12900 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12901 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12902 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12903 * output.h (output_section_symbols): Declare.
12904 (object_block): Name structure.
12905 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12906 (default_use_anchors_for_symbol_p): Declare.
12907 * Makefile.in (RTL_BASE_H): Add vec.h.
12908 (explow.o): Depend on output.h.
12909 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12910 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12911 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12912 (rs6000_use_blocks_for_constant_p): New function.
12914 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12916 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12918 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12921 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12924 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12926 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12930 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12932 PR middle-end/26334
12933 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12934 instead of DECL_REGISTER.
12936 2006-02-18 Olivier Hainque <hainque@adacore.com>
12939 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12941 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12944 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12945 * opth-gen.awk: Handle Var and InverseMask together.
12946 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12947 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12948 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12949 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12951 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12952 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12953 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12954 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12955 LINUX_DYNAMIC_LINKER): Define.
12956 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12957 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12959 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12960 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12961 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12962 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12963 (TARGET_C99_FUNCTIONS): Don't define.
12964 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12965 GLIBC_DYNAMIC_LINKER.
12966 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12967 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12968 GLIBC_DYNAMIC_LINKER64): Define.
12969 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12970 LINUX_DYNAMIC_LINKER64.
12971 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12972 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12973 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12974 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12975 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12976 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12977 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12978 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12979 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12980 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12981 and LINUX_DYNAMIC_LINKER32.
12982 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12983 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12984 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12985 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12986 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12988 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12989 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12990 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12991 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12992 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12993 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12994 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12995 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12996 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12997 LINUX_DYNAMIC_LINKER): Define.
12998 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12999 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13000 GLIBC_DYNAMIC_LINKER64): Define.
13001 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13002 LINUX_DYNAMIC_LINKER64.
13003 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13004 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13005 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13006 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13007 LINUX_DYNAMIC_LINKER): Define.
13008 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13009 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13010 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13011 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13012 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13013 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13014 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13015 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13016 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13017 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13018 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13019 * doc/invoke.texi (-muclibc): Remove caveat about supported
13022 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13024 * doc/cpp.texi (__TIMESTAMP__): Document.
13026 2006-02-17 Roger Sayle <roger@eyesopen.com>
13028 PR middle-end/25600
13029 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13030 C is one less than the width of X (and related transformations).
13031 * simplify-rtx.c (simplify_unary_operation_1): Transform
13032 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13033 depending on STORE_FLAG_VALUE, were C is one less then the
13036 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13038 Fix PR tree-optimization/26341
13039 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13040 about NAME_MEMORY_TAG's.
13042 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13045 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13046 with hardware float support, and software float support. Add fcpy
13047 alternative to hardware patterns. Add alternatives to copy between
13048 general and floating-point registers to the 32-bit pattern.
13049 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13050 secondary reload to load a QI or HI mode constant into a floating
13052 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13053 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13055 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13058 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13060 (load_macho_picbase_di): Likewise.
13062 2006-02-16 Jeff Law <law@redhat.com>
13064 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13065 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13066 (ssa_name_nonzero_p): Likewise.
13067 (get_value_range): Return NULL if VRP is not running.
13068 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13069 VRP routines do not discover a range.
13070 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13071 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13072 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13073 (tree_expr_nonnegative_p): Similarly.
13074 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13075 (restore_nonzero_vars_to_original_value): Remove.
13076 (unsafe_associative_fp_binop): Remove.
13077 (tree_ssa_dominator_optimize): Remove initialization and
13078 finalization of nonzero_vars and nonzero_vars_stack.
13079 (dom_opt_initialize_block): No longer push marker on
13080 nonzero_vars_stack.
13081 (dom_opt_finalize_block): No longer call
13082 restore_nonzero_vars_to_original_value.
13083 (record_equivalences_from_phis): No longer look for
13084 nonzero PHI arguments.
13085 (cprop_into_successor_phis): No longer propagate nonzero
13086 property into PHI arguments. Lose unused argument. Caller
13088 (record_equivalences_from_stmt): No longer record nonzero
13089 values for SSA_NAMEs.
13090 (lookup_avail_expr): No longer use nonzero_vars.
13092 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13093 for sizetype when sizetype is unsigned.
13095 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13097 PR rtl-optimization/25603
13098 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13099 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13100 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13101 with new meaning of SETS.
13103 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13108 * config/linux.opt: New file.
13109 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13110 LINUX_DYNAMIC_LINKER): Define.
13111 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13112 * config.gcc (*-*-linux*): Define extra_options.
13113 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13114 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13115 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13116 GLIBC_DYNAMIC_LINKER.
13117 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13118 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13119 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13120 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13121 * doc/invoke.texi (GNU/Linux Options): New section.
13123 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13125 * config/sparc/sparc.md (setjmp): Rewrite.
13126 (setjmp_32): Delete.
13127 (setjmp_64): Likewise.
13129 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13131 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13134 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13136 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13139 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13141 PR rtl-optimization/26296
13142 * Makefile.in (loop-invariant.c): Add except.h dependency.
13143 * loop-invariant.c: Include except.h.
13144 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13146 2005-02-16 Paul Brook <paul@codesourcery.com>
13148 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13151 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13153 PR rtl-optimization/25636
13154 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13155 when deciding whether an insn is an initializing insn.
13157 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13159 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13160 (tree_code_size): Ditto.
13161 * tree.h (struct tree_memory_tag): Remove parent_var.
13162 (struct tree_struct_field_tag): New.
13165 (union tree_node): Add sft member.
13166 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13168 (create_sft): Add size and offset argument, set SFT_OFFSET and
13170 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13171 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13172 * tree-flow-inline.h (get_subvar_at): Update for
13173 SFT_OFFSET/SFT_SIZE.
13174 (var_can_have_subvars): Ditto.
13175 (overlap_subvar): Ditto.
13176 * print-tree.c (print_node): Print out interesting things for
13178 * tree-flow.h (struct subvar): Remove offset and size members.
13179 * tree-ssa-operands.c (get_expr_operands): Update for
13180 get_indirect_ref_operands changes.
13181 (get_indirect_ref_operands): Call add_virtual_operand instead of
13182 add_stmt_operand. Only recurse on base var if requested.
13183 (access_can_touch_variable): New function.
13184 (add_stmt_operand): Split virtual operand handling into ...
13185 (add_virtual_operand): Here. Add offset, size, and for_clobber
13186 arguments. Prune alias sets.
13187 (add_call_clobber_ops): Call add_virtual_operand.
13189 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13191 PR middle-end/26300
13192 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13194 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13195 than TREE_CODE as index into omp_clause_num_ops array.
13197 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13199 PR rtl-optimization/26184
13200 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13202 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13203 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13204 must_precede, must_follow and tobe_scheduled.
13207 * opts.c (common_handle_option): Free new_option pointer.
13208 * df-core.c (df_analyze): Free postorder pointer.
13210 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13212 * Makefile.in: Fix the examples about the use of stamps
13214 2006-02-15 Michael Matz <matz@suse.de>
13216 PR middle-end/22275
13218 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13219 influenced by maximum_field_alignment or DECL_PACKED.
13220 (update_alignment_for_field): Ditto.
13221 (place_field): Ditto.
13222 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13225 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13227 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13228 (debug_flow_info): Pass it.
13229 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13230 * bb-reorder.c (reorder_basic_blocks): Likewise.
13231 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13232 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13233 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13234 * gcse.c (gcse_main, bypass_jumps): Likewise.
13235 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13236 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13237 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13238 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13239 * rtl.h (dump_flow_info): Adjust prototype.
13240 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13241 * var-tracking.c (variable_tracking_main): Likewise.
13242 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13243 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13246 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13248 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13251 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13253 PR tree-optimization/26209
13254 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13255 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13257 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13259 2006-02-14 Roger Sayle <roger@eyesopen.com>
13261 PR middle-end/23670
13262 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13263 (X,Y) and the corresponding symmetry related transformations.
13264 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13265 (X,Y) and its symmetry related transformations.
13267 2006-02-14 Roger Sayle <roger@eyesopen.com>
13269 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13272 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13274 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13276 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13279 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13280 support COMDAT group.
13281 * configure: Regenerate.
13283 2006-02-14 Roger Sayle <roger@eyesopen.com>
13285 PR middle-end/26279
13286 PR middle-end/26280
13287 PR middle-end/26283
13288 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13290 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13292 Fix PR tree-optimization/26260
13294 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13296 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13297 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13298 * tree-ssa-structalias.c (create_variable_info_for): Use
13299 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13301 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13303 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13305 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13306 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13307 of the ending condition.
13308 * tree-ssa-loop-manip.c: Include params.h.
13309 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13310 tree_unroll_loop): New functions.
13311 * tree-pass.h (pass_loop_prefetch): Declare.
13312 * loop.c (rest_of_handle_loop_optimize): Test for
13313 -fprefetch-loop-arrays-rtl.
13314 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13315 * timevar.def (TV_TREE_PREFETCH): New timevar.
13316 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13317 pass_loop_prefetch): New.
13318 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13319 (cleanup_tree_cfg_loop): Call scev_reset.
13320 * common.opt (fprefetch-loop-arrays-rtl): Add.
13321 * tree-ssa-loop-prefetch.c: New file.
13322 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13323 (new_temp_expr_table): Initialize expr_vars.
13324 (free_temp_expr_table): Cleanup expr_vars.
13325 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13326 expressions from being merged into one.
13327 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13328 (struct tree_niter_desc): Add control, bound and cmp fields.
13329 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13331 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13332 (tree-cfgcleanup.o): Add SCEV_H dependency.
13333 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13334 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13336 2006-02-14 Richard Guenther <rguenther@suse.de>
13338 PR tree-optimization/26258
13339 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13340 in PHI argument processing.
13342 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13344 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13345 new expression in the requested machine mode.
13347 2006-02-13 Roger Sayle <roger@eyesopen.com>
13349 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13350 directly, instead let do_compare_rtx_and_jump handle this for us.
13351 * expr.c (expand_expr_real_1): Likewise.
13352 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13353 before do_jump_by_parts_greater.
13354 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13355 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13357 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13359 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13361 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13363 PR rtl-optimization/26235
13364 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13365 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13368 2006-02-13 Jeff Law <law@redhat.com>
13370 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13373 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13375 PR middle-end/26092
13376 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13377 twice if decl is a builtin. When trying again, call get_callee_fndecl
13378 first to verify it is still a builtin.
13380 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13382 * dwarf2out.c (base_type_die): Don't add AT_name here.
13383 (subrange_type_die): Don't add AT_name here.
13384 (modified_type_die): Rearrange code flow. Do add AT_name here.
13386 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13388 PR rtl-optimization/26247
13389 PR rtl-optimization/26248
13390 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13392 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13394 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13395 * config/fixtfdi.c: Likewise.
13396 * config/fixunstfdi.c: Likewise.
13397 * config/floatditf.c: Likewise.
13399 2006-02-13 Roger Sayle <roger@eyesopen.com>
13401 PR middle-end/24427
13402 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13403 into (X,C2) if C1 is a subset of the bits of C2. Transform
13404 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13406 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13408 2006-02-13 Josh Conner <jconner@apple.com>
13411 * varasm.c (function_section): Check for section name before
13412 calling select_section on targets that define
13413 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13414 unlikely_text_section instead of hot_function_section if
13415 first_function_block_is_cold.
13417 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13419 PR middle-end/25335
13420 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13422 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13424 PR rtl-optimization/26222
13425 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13426 after tree->rtl expansion.
13427 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13428 before passing it to emit_move_insn.
13430 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13432 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13434 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13435 Clarify documentation.
13436 * c-common.h (warn_write_strings): Remove.
13437 * c-common.c (warn_write_strings): Likewise.
13438 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13441 2006-02-12 Roger Sayle <roger@eyesopen.com>
13443 PR middle-end/25724
13444 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13445 (do_jump_parts_zero_rtx): New function renamed from
13446 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13447 (do_jump_parts_equality_rtx): New function split out from
13448 do_jump_parts_equality. Old implementation renamed as above.
13449 Call do_jump_parts_zero_rtx if either operand is zero.
13450 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13451 do all of the heavy lifting.
13452 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13453 calling either do_jump_by_parts_greater_rtx or
13454 do_jump_by_parts_equality_rtx.
13455 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13456 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13457 moved to do_compare_rtx_and_jump, call it directly.
13458 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13459 mode argument. Call do_compare_rtx_and_jump.
13460 (emit_case_nodes): Update calls to do_jump_if_equal.
13462 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13464 PR rtl-optimization/26225
13465 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13467 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13469 PR rtl-optimization/26232
13470 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13472 2006-02-11 Jason Merrill <jason@redhat.com>
13475 * tree-inline.c (declare_return_variable): Just don't use the
13476 modify target if it's a gimple complex reg and the return slot
13479 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13481 * doc/contrib.texi: Update my entry.
13483 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13485 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13487 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13489 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13492 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13494 * doc/invoke.texi (-floop-optimize2): Removed.
13495 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13496 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13497 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13498 * common.opt (floop-optimize2): Removed.
13499 (fmove-loop-invariants): Enabled by default.
13501 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13503 * tree-if-conv.c (combine_blocks): Free the result of
13504 get_loop_exit_edges.
13506 2006-02-10 Jeff Law <law@redhat.com>
13508 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13510 PR tree-optimization/26213
13511 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13512 loop trying to follow SSA_NAME_VALUE chains.
13514 2006-02-10 Richard Guenther <rguenther@suse.de>
13516 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13517 deal with structures that end in implicitly variable sized arrays.
13519 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13521 PR rtl-optimization/24762
13522 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13525 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13527 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13528 (struct ivopts_data): Add regs_used field.
13529 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13530 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13531 instead of loop_data->regs_used;
13532 (free_loop_data): Do not free aux fields for loops.
13533 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13534 and tree_ssa_iv_optimize_finalize.
13536 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13538 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13540 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13543 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13544 computing the effective result type.
13546 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13548 PR inline-asm/16194
13549 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13550 (tree_overlaps_hard_reg_set): Declare.
13551 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13552 type and signature to match function type expected by walk_tree.
13553 (tree_overlaps_hard_reg_set): New function.
13554 (decl_conflicts_with_clobbers_p): Rename to:
13555 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13556 Use tree_overlaps_hard_reg_set. Changed caller.
13557 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13558 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13559 * cris.c (cris_md_asm_clobbers): Likewise.
13561 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13563 * reload1.c (emit_input_reload_insns): Delete code that tries to
13564 inherit using find_equiv_reg.
13566 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13568 * c-common.h (flag_const_strings): Don't declare.
13569 * c-common.c (flag_const_strings): Remove.
13570 * c.opt (fconst_strings): Remove.
13571 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13572 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13573 (c_common_init_options): Don't set flag_const_strings.
13574 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13576 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13578 * arm.md (tlobits_cbranch): New pattern.
13579 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13580 testing a single bit.
13582 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13585 * tree-ssa-pre.c (create_component_ref_by_pieces):
13586 Handle RETURN_DECL like VAR_DECL.
13588 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13590 PR middle-end/26134
13591 * fold-const.c (fold_indirect_ref_1): Fold
13592 "*(foo *)&complexfoo" to "__real__ complexfoo"
13593 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13595 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13597 * tree-flow-inline.h (var_can_have_subvars):
13598 Volatile variables should not have subvariables.
13600 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13603 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13604 multiplying unsigned values.
13607 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13609 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13611 2006-02-08 Jason Merrill <jason@redhat.com>
13614 * tree.def: Elaborate on difference from MODIFY_EXPR.
13615 * doc/c-tree.texi (INIT_EXPR): Likewise.
13616 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13617 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13618 (gimplify_target_expr): Likewise.
13619 (gimplify_cond_expr): Remove target handling.
13620 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13621 (gimplify_expr): Clobber it here.
13622 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13623 Do return slot optimization if we have an INIT_EXPR.
13626 * tree-inline.c (declare_return_variable): Also clear
13627 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13630 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13632 PR middle-end/22439
13633 * gimplify.c (gimplify_one_sizepos): Fix typo.
13635 2006-02-08 Jeff Law <law@redhat.com>
13637 PR tree-optimization/21417
13638 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13639 across a backedge if the control statement at the end of the
13640 block is data dependent on other statements in the same block.
13641 (record_temporary_equivalences_from_stmts): Remove over-conservative
13642 test for threading across backedges.
13644 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13645 control statement, handle all three special cases in the same
13646 manner as they all have the same desired solution. No longer
13647 special case edge flag updating when the post dominator is
13650 2006-02-08 Roger Sayle <roger@eyesopen.com>
13652 * tree.def (CHAR_TYPE): Remove.
13653 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13654 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13655 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13656 (gen_string_type_die): Delete unreachable function.
13658 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13659 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13660 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13661 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13662 * builtins.c (type_to_class): Likewise.
13663 * fold-const.c (fold_convert, build_range_check,
13664 merge_ranges): Likewise.
13665 * expr.c (count_type_elements): Likewise.
13666 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13667 * stor-layout.c (layout_type): Likewise.
13668 * ipa-type-escape.c (type_to_consider): Likewise.
13669 * gimplify.c (omp_firstprivatize_type_sizes,
13670 gimplify_type_sizes): Likewise.
13671 * explow.c (promote_mode): Likewise.
13672 * tree-sra.c (is_sra_scalar_type): Likewise.
13673 * varasm.c (output_constant): Likewise.
13674 * tree-inline.c (remap_type_1): Likewise.
13675 * convert.c (convert_to_pointer, convert_to_real,
13676 convert_to_integer, convert_to_complex): Likewise.
13678 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13680 * df-scan.c (df_def_record_1): A set destination may
13681 be a parallel regardless of mode.
13683 2006-02-08 Roger Sayle <roger@eyesopen.com>
13686 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13687 * config/mips/_tilib.c: Remove.
13688 * config/fixtfdi.c: New libgcc source file.
13689 * config/fixunstfdi.c: New source file.
13690 * config/floatditf.c: New source file.
13691 * config/floatunditf.c: New souce file.
13692 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13693 files above instead of config/mips/_tilib.c.
13694 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13696 2006-02-08 Jeff Law <law@redhat.com>
13698 PR tree-optimization/26169
13699 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13702 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13704 * df.h (DF_REG_SIZE): Return the length of the initialized
13707 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13709 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13710 __muldf3): Return a correctly signed zero.
13712 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13714 * passes.c (register_one_dump_file): Accept the current properties
13715 instead of pass number. Adjust call to dump_register. Remove
13717 (register_dump_files): Now a wrapper around...
13718 (register_dump_files_1): ... this one. Do not modify the pass
13720 (next_pass_1): Cosmetic fix.
13721 (execute_todo): Keep second parameter only. Use curr_properties
13722 instead of fetching it from the pass structure. Check and set
13724 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13725 instead of fetching it from the pass structure. Fix calls to
13726 execute_todo. Update curr_properties and initialize .vcg RTL dump
13727 after running the pass. Reset last_verified.
13728 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13730 (FIRST_AUTO_NUMBERED_DUMP): New.
13731 (dump_register): Remove "num" parameter, assign it within the
13733 (get_dump_file_name): Modify template for dumps.
13734 * tree-dump.h (dump_register): Adjust prototype.
13735 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13736 (PROP_trees): Add PROP_gimple_lomp.
13737 (TODO_set_props): New.
13738 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13739 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13740 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13742 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13744 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13745 (sparc64-*-linux*): Likewise.
13746 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13747 * config/sparc/t-linux: New file.
13748 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13749 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13750 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13751 -m32 -mlong-double-128.
13753 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13754 * config/alpha/t-linux: New file.
13755 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13757 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13758 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13759 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13760 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13761 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13762 (CPP_ARCH32_SPEC): Remove.
13764 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13766 PR tree-optimization/26145
13767 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13770 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13773 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13774 >= 240000 when generating code for SOM runtime.
13775 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13776 to $$dyncall when generating code for SOM runtime..
13778 2006-02-07 Dirk Mueller <dmueller@suse.com>
13781 * doc/invoke.texi (-Wsequence-point): Update documentation
13782 that -Wsequence-point is implemented for C++ as well.
13784 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13786 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13787 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13788 (LIB_SPEC): Likewise.
13789 * doc/invoke.texi (SPARC options): Document -pthread.
13791 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13793 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13796 2006-02-07 Roger Sayle <roger@eyesopen.com>
13798 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13799 Correct comment describing BOOLEAN_TYPE.
13801 2006-02-07 Dirk Mueller <dmueller@suse.com>
13803 * c.opt: C++ frontend supports -Wdiv-by-zero.
13804 * c-opts.c (c_common_handle_option): Remove dead case.
13806 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13808 * configure.ac (TLS assembler check): Do not enable TLS by
13809 default on SPARC/Solaris before version 10.
13810 * configure: Regenerate.
13812 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13814 * doc/invoke.texi (xl-compat): Document conversion and support
13817 2006-02-07 Jeff Law <law@redhat.com>
13819 * tree-vrp.c (find_conditional_asserts): Update comments.
13820 (simplify_stmt_for_jump_threading): New.
13821 (identify_jump_threads, finalize_jump_threads): New.
13822 (vrp_finalize): Call identify_jump_threads.
13823 (execute_vrp): Call finalize_jump_threads.
13824 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13825 (vrp_element, vrp_data, vrp_element_p): Remove.
13826 (vrp_hash_elt, vrp_variables_stack): Remove.
13827 (vrp_hash, vrp_eq, record_range): Remove.
13828 (simplify_cond_and_lookup_avail_expr): Remove.
13829 (extract_range_from_cond): Remove.
13830 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13831 (simplify_stmt_for_jump_threading): New.
13832 (dom_thread_across_edge): New wrapper.
13833 (tree_ssa_dominator_optimize): No longer initialize or
13834 finalize any of the VRP datastructures. Remove iteration
13835 step and simplify as a result of removal of iteration step.
13836 (pass_dominator): Perform a cfg cleanup after DOM.
13837 (dom_opt_finalize_block): Use the new common routines
13838 for threading jumps. Simplify stack management slightly.
13839 No longer need to unwind VRP state.
13840 (record_equivalences_from_incoming_edge): No longer record
13842 (eliminate_redundant_computations): No longer call
13843 simplify_cond_and_lookup_avail_expr.
13844 * tree-flow.h (potentially_threadable_block): Prototype.
13845 (thread_across_edge): Likewise.
13846 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13847 (tree-ssa-threadedge.o): Add dependencies.
13848 * tree-ssa-threadedge.c: New file.
13849 * passes.c (init_optimization_passes): Merge PHIs before
13850 calling VRP. Run VRP again late in the SSA optimization pipeline.
13852 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13854 * df-core.c (df_set_blocks): Do not dereference function pointers.
13855 (df_finish1): Likewise.
13856 (df_hybrid_search_forward): Likewise.
13857 (df_hybrid_search_backward): Likewise.
13858 (df_iterative_dataflow): Likewise.
13859 (df_analyze_problem): Likewise.
13860 (df_compact_blocks): Likewise.
13861 (df_dump): Likewise.
13862 * df-scan.c (df_rescan_blocks): Likewise.
13863 (df_record_entry_block_defs): Likewise.
13865 * genconditions.c (write_conditions): Guard the definition of
13866 'insn_conditions' with the check on GCC version.
13867 (write_writer): Guard the traversal 'insn_conditions' with
13868 the check on GCC version.
13870 2006-02-07 Richard Guenther <rguenther@suse.de>
13874 2006-01-30 Richard Guenther <rguenther@suse.de>
13876 * gimplify.c (gimplify_target_expr): Handle easy cases
13877 without creating a temporary.
13879 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13881 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13882 use of float in probability computations. Use edge probabilities
13883 in place of statically computed probabilities.
13884 (min_spec_prob): New static variable.
13885 (schedule_insns): Initialize it.
13886 (GET_SRC_PROB): Removed.
13887 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13889 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13892 * config/ia64/unwind-ia64.c: Revert last change.
13893 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13894 (INCOMING_FRAME_SP_OFFSET): Define.
13896 2006-02-06 Roger Sayle <roger@eyesopen.com>
13898 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13900 2006-02-07 Ben Elliston <bje@au.ibm.com>
13902 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13903 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13904 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13905 (ix86_return_in_memory): Handle TDmode.
13906 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13907 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13909 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13911 * reorg.c (dbr_schedule): Use dump_file instead of file.
13913 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13916 * config/ia64/predicates.md (extr_len_operand): New predicate.
13917 * config/ia64/ia64.md (extv): Tighten constraints.
13919 (*tbit_and_2): Ditto.
13920 (*tbit_and_3): Ditto.
13921 (*tbit_or_2): Ditto.
13922 (*tbit_or_3): Ditto.
13923 (*bit_zero): Ditto.
13926 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13929 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13931 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13933 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13934 loop_optimizer_init and loop_optimizer_finalize
13935 * tree-ssa-sink.c (execute_sink_code): Ditto.
13936 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13937 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13938 tree_ssa_loop_done): Ditto.
13939 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13940 * sched-ebb.c: Include output.h.
13941 (schedule_ebbs): Do not use dump argument.
13942 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13943 * loop.c (loop_dump_stream): Removed.
13944 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13946 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13947 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13948 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13949 loop_iterations, strength_reduce, record_biv, record_giv,
13950 final_giv_value, check_final_value, check_ext_dependent_givs,
13951 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13952 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13953 dump_file instead of loop_dump_stream.
13954 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13955 argument dump_file.
13956 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13958 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13959 * haifa-sched.c: Include output.h
13960 (schedule_insns, sched_init): Do not use dump argument.
13961 * mode-switching.c (optimize_mode_switching): Ditto.
13962 * modulo-sched.c (stats_file): Removed.
13963 (print_node_sched_params): Do not call argument dump_file.
13964 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13965 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13967 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13969 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13970 rtl_loop_init, rtl_loop_done): Ditto.
13971 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13972 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13974 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13975 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13976 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13977 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13978 * emit-rtl.c (renumber_insns): Ditto.
13979 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13980 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13981 * regclass.c (regclass): Ditto.
13982 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13983 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13984 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13985 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13987 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13988 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13990 * gcse.c (gcse_file, debug_stderr): Removed.
13991 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13992 rest_of_handle_gcse): Do not use dump argument.
13993 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13994 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13995 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13996 compute_code_hoist_vbeinout, compute_code_hoist_data,
13997 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13998 compute_store_table, build_store_vectors, insert_insn_start_bb,
13999 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14000 store_motion): Use dump_file instead of gcse_file.
14001 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14002 * profile.c (profile_dump_file): Removed.
14003 (branch_prob): Use dump_file instead of profile_dump_file.
14004 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14006 * tree-ssa-copy.c (dump_copy_of): Ditto.
14007 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14008 dump file to life_analysis.
14009 * bt-load.c (branch_target_load_optimize): Ditto.
14010 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14012 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14013 regclass, dbr_schedule): Declaration changed.
14014 * sched-int.h (sched_init): Declaration changed.
14015 * tree-profile.c (tree_profile_dump_file): Removed.
14016 (tree_profile_hooks): Removed profile_dump_file hook.
14017 * rtl-profile (rtl_profile_dump_file): Removed.
14018 (rtl_profile_hooks): emoved profile_dump_file hook.
14019 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14021 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14022 * tree-cfg.c (build_tree_cfg): Ditto.
14023 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14024 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14025 Declaration changed.
14026 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14027 life_analysis and schedule_insns.
14028 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14030 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14032 * config/mips/mips.c (mips_reorg): Ditto.
14033 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14036 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14038 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14039 (s390_mangle_fundamental_type): New.
14040 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14043 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14044 (alpha_mangle_fundamental_type): New.
14045 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14048 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14050 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14052 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14053 (sparc_mangle_fundamental_type): New.
14055 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14057 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14058 (s390x-*-linux*): Likewise.
14059 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14060 * config/s390/t-linux: New file.
14062 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14064 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14065 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14067 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14069 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14070 (ANTIC_SAFE_LOADS): New macro.
14071 (find_or_generate_expression): Add prototype.
14072 (set_contains_value): Allow null set for sake of not always having
14073 to allocate ANTIC_SAFE_LOADS.
14074 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14075 Allow COMPONENT_REF too.
14076 (valid_in_set): Allow COMPONENT_REF.
14077 Check ANTIC_SAFE_LOADS too.
14078 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14079 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14081 (can_PRE_operation): Add COMPONENT_REF.
14082 (create_component_ref_by_pieces): New function.
14083 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14084 (insert_aux): Move AGGREGATE_TYPE_P check here.
14085 (compute_avail): Set bb local stmt uids.
14086 (pass_pre): Use TODO_update_ssa_only_virtuals.
14088 2006-02-06 Ben Elliston <bje@au.ibm.com>
14090 * configure.ac: Unconditionally disable decimal float by default.
14091 * configure: Regenerate.
14093 2006-02-06 Ben Elliston <bje@au.ibm.com>
14095 * read-rtl.c (read_name): Terminate reading on EOF.
14097 2006-02-06 Ben Elliston <bje@au.ibm.com>
14099 * dfp.c (decimal_real_arithmetic): Change second argument type
14100 from int to enum tree_code. Do not always return true, but now
14101 return result of any call to decimal_do helper functions.
14102 * dfp.h (decimal_real_arithmetic): Update prototype.
14104 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14106 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14108 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14111 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14114 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14116 * tree-vrp.c (cfg_loops): Removed.
14117 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14118 Use current_loops instead of cfg_loops. Pass flags to
14119 loop_optimizer_init.
14120 * cfgloopmanip.c (fix_loop_structure): Update only available
14122 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14123 loop_optimizer_init.
14124 * modulo-sched.c (build_loops_structure): Removed.
14125 (sms_schedule): Use loop_optimizer_init.
14126 * loop-init.c (loop_optimizer_init): Use flags to determine
14127 which properties of loops to prepare.
14128 (rtl_loop_init): Pass flags to loop_optimizer_init.
14129 * tree-ssa-sink.c (execute_sink_code): Ditto.
14130 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14131 * tree-ssa-pre.c (init_pre): Ditto.
14132 * cfgloop.h (LOOPS_NORMAL): New.
14133 (loop_optimizer_init): Declaration changed.
14135 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14137 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14138 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14140 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14142 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14144 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14145 * pa/t-pa64: Delete quadlib.c rule.
14146 * pa/x-ada: Revert last change.
14147 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14149 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14151 PR rtl-optimization/26087
14152 * rtlanal.c (canonicalize_condition): Do not cross basic block
14155 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14158 * config/ia64/ia64.c: Include debug.h.
14159 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14160 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14161 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14162 (process_epilogue, process_set, process_for_unwind_directive):
14163 Output unwind info only if requested. Add CFA info if requested.
14164 Add new arguments as needed. Adjust callers.
14165 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14167 (DWARF2_FRAME_INFO): Define to zero.
14168 * config/ia64/unwind-ia64.c: Remove code that compensated for
14169 the CFA offset error fixed above.
14170 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14171 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14172 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14173 -funwind-tables and -fexceptions to enable frame info.
14174 (dwarf2out_frame_init): Define initial CFA even if
14175 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14176 DWARF2_UNWIND_INFO is nonzero, not just defined.
14177 (dwarf2out_frame_finish): Output non-EH call frame info only
14178 if DWARF2_FRAME_INFO is nonzero.
14179 (convert_cfa_to_loc_list,
14180 compute_frame_pointer_to_cfa_displacement): Define even if
14181 unwind info is not supported.
14182 (gen_subprogram_die): Use the above unconditionally. Remove
14183 legacy alternate code.
14184 * toplev.c (compile_file): Compile in call to
14185 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14186 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14188 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14189 Jakub Jelinek <jakub@redhat.com>
14191 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14192 IBM extended float format long double as "g" on powerpc*-linux.
14194 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14197 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14198 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14200 2006-02-03 Jason Merrill <jason@redhat.com>
14203 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14205 PR middle-end/25977
14206 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14207 on the return slot if it's an NRV.
14209 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14211 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14212 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14213 rewrite_use): Do not handle USE_OUTER.
14214 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14215 add_iv_outer_candidates, may_replace_final_value,
14216 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14217 (find_interesting_uses_op): Functionality of
14218 find_interesting_uses_outer_or_nonlin moved here.
14219 (find_interesting_uses_outside): Use find_interesting_uses_op.
14221 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14224 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14226 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14227 Ulrich Weigand <uweigand@de.ibm.com>
14230 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14231 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14232 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14233 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14235 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14236 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14237 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14238 Define secondary reloads for TFmode moves.
14239 (constant_modes): Add TFmode.
14240 (NR_C_MODES): Set to 8.
14241 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14243 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14244 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14245 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14246 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14247 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14248 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14249 (FPR mode macro): Add TFmode.
14250 (DSF mode macro): New.
14251 (<de>, <dee> mode attributes): Removed.
14252 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14253 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14254 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14255 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14256 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14257 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14258 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14259 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14260 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14261 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14262 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14263 "*negabs<mode>2", "sqrt<mode>2"):
14264 Changed <de> to <xde>. R constraint replaced by <Rf>.
14265 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14267 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14268 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14269 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14271 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14272 "extenddftf2", "extendsftf2"): New expanders.
14273 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14274 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14275 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14276 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14278 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14279 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14280 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14281 __floatditf): Add a GCC_4.1.0 symbol version tag.
14282 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14285 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14288 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14289 Use targetm.binds_local_p instead of TREE_PUBLIC.
14291 2006-02-02 Roger Sayle <roger@eyesopen.com>
14293 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14294 on INTEGER_TYPEs to indicate that it denotes a character type.
14295 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14296 signed_char_type_node, unsigned_char_type_node and char_type_node.
14297 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14298 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14299 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14301 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14302 Daniel Berlin <dberlin@dberlin.org>
14304 * tree-tailcall.c (arg_needs_copy_p): New function.
14305 (eliminate_tail_call): Use arg_needs_copy_p.
14306 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14307 (add_virtual_phis): New function.
14309 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14311 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14312 #ignore instead of #scratch for %g7 .register directive.
14314 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14316 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14319 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14321 * flow.c (calculate_global_regs_live): Assert that there aren't any
14324 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14326 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14327 what its name says.
14328 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14329 bsi_after_labels iterator.
14330 * tree-if-conv.c (find_phi_replacement_condition,
14331 replace_phi_with_cond_modify_expr): Likewise.
14332 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14333 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14335 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14337 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14339 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14342 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14343 array after growing it.
14345 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14347 PR middle-end/24901
14348 * fold-const.c (fold_checksum_tree): Change type of buf.
14350 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14352 * reload.c (push_secondary_reload): Initialize t_icode.
14354 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14356 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14357 -msoft-float -mlong-double-128 only issue a warning, but don't
14358 swich to DFmode long double.
14360 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14362 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14363 has a constant equivalent, iterate over equivalents for arg0,
14364 calling simplify_relational_operation and if there's a result
14365 cheaper than X, apply fold_rtx and return the result.
14367 2006-02-01 Jan Hubicka <jh@suse.cz>
14369 * opts.c (no_unit_at_a_time_default): New global variable.
14370 (decode_options): Use it.
14371 * opts.h (no_unit_at_a_time_default): Declare.
14373 2006-02-01 Paul Brook <paul@codesourcery.com>
14375 * function.c (assign_parm_setup_reg): Use function argument promotion
14377 * expr.c (expand_expr_real_1): Use function argument promotion rules
14380 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14382 * gcc.c (process_command): Change j to 'unsigned int'.
14384 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14386 PR middle-end/26001
14387 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14388 Use the corrected index for the character
14389 out of the string constant.
14391 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14393 * mode-switching.c (optimize_mode_switching): Fix size
14394 allocated for bb_info[n_entities].
14396 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14398 * gcc.c (main): Correct type that is allocated for
14399 explicit_link_files.
14401 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14403 * config/s390/s390.c (init_alignment_context): Set
14404 ALIAS_SET_MEMORY_BARRIER on the MEM.
14405 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14407 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14409 PR middle-end/25933
14410 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14412 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14415 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14417 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14418 * regrename.c: Ditto.
14419 * tree-ssa-loop-im.c: Ditto.
14420 * tree-dump.c: Ditto.
14421 * tree-complex.c: Ditto.
14422 * genrecog.c: Ditto.
14423 * tree-ssa-threadupdate.c: Ditto.
14425 * java/class.c: Ditto.
14426 * java/jcf-parse.c: Ditto.
14427 * java/resource.c: Ditto.
14428 * java/except.c: Ditto.
14429 * java/jvspec.c: Ditto.
14430 * java/jcf-write.c: Ditto.
14431 * java/jcf-path.c: Ditto.
14432 * java/gjavah.c: Ditto.
14433 * java/zextract.c: Ditto.
14434 * java/jcf-io.c: Ditto.
14435 * java/jcf.h: Ditto.
14436 * java/buffer.c: Ditto.
14437 * java/lang.c: Ditto.
14438 * java/parse-scan.y: Ditto.
14439 * java/lex.c: Ditto.
14440 * java/lex.h: Ditto.
14441 * cfgloopmanip.c: Ditto.
14442 * postreload-gcse.c: Ditto.
14443 * tree-ssa-loop-manip.c: Ditto.
14444 * postreload.c: Ditto.
14445 * tree-ssa-loop-ch.c: Ditto.
14448 * cppspec.c: Ditto.
14449 * diagnostic.c: Ditto.
14451 * genoutput.c: Ditto.
14453 * cfghooks.c: Ditto.
14454 * cfgloopanal.c: Ditto.
14455 * objc/objc-act.c: Ditto.
14457 * genextract.c: Ditto.
14458 * genautomata.c: Ditto.
14459 * pretty-print.c: Ditto.
14460 * genemit.c: Ditto.
14461 * cgraphunit.c: Ditto.
14463 * df-scan.c: Ditto.
14464 * haifa-sched.c: Ditto.
14465 * dominance.c: Ditto.
14467 * tree-ssa-loop-ivopts.c: Ditto.
14468 * df-core.c: Ditto.
14469 * mode-switching.c: Ditto.
14470 * modulo-sched.c: Ditto.
14472 * ipa-pure-const.c: Ditto.
14474 * fix-header.c: Ditto.
14476 * tree-stdarg.c: Ditto.
14477 * ipa-utils.c: Ditto.
14478 * loop-init.c: Ditto.
14479 * ipa-inline.c: Ditto.
14480 * cfganal.c: Ditto.
14482 * alloc-pool.c: Ditto.
14483 * dwarf2out.c: Ditto.
14485 * genattrtab.c: Ditto.
14486 * tree-ssa-loop-ivcanon.c: Ditto.
14487 * predict.c: Ditto.
14488 * timevar.c: Ditto.
14490 * fortran/gfortranspec.c: Ditto.
14491 * regmove.c: Ditto.
14492 * local-alloc.c: Ditto.
14493 * langhooks.c: Ditto.
14494 * function.c: Ditto.
14495 * tree-vectorizer.c: Ditto.
14497 * ipa-type-escape.c: Ditto.
14499 * tree-if-conv.c: Ditto.
14500 * profile.c: Ditto.
14502 * tree-data-ref.c: Ditto.
14503 * loop-unroll.c: Ditto.
14504 * treelang/treetree.c: Ditto.
14506 * bt-load.c: Ditto.
14507 * ggc-common.c: Ditto.
14509 * coverage.c: Ditto.
14511 * tree-cfgcleanup.c: Ditto.
14512 * tree-ssa-pre.c: Ditto.
14513 * cfgcleanup.c: Ditto.
14514 * loop-invariant.c: Ditto.
14515 * loop-iv.c: Ditto.
14516 * ipa-prop.c: Ditto.
14517 * print-tree.c: Ditto.
14518 * conflict.c: Ditto.
14519 * ggc-page.c: Ditto.
14520 * sched-deps.c: Ditto.
14521 * regclass.c: Ditto.
14522 * tree-object-size.c: Ditto.
14523 * combine.c: Ditto.
14524 * bb-reorder.c: Ditto.
14525 * resource.c: Ditto.
14526 * var-tracking.c: Ditto.
14527 * cfgloop.c: Ditto.
14528 * df-problems.c: Ditto.
14529 * reg-stack.c: Ditto.
14531 * gccspec.c: Ditto.
14532 * sched-rgn.c: Ditto.
14533 * tree-ssa-structalias.c: Ditto.
14534 * tree-ssa-reassoc.c: Ditto.
14535 * config/darwin-c.c: Ditto.
14536 * config/darwin.c: Ditto.
14537 * config/arm/arm.c: Ditto.
14539 * collect2.c: Ditto.
14540 * reload1.c: Ditto.
14542 2006-01-31 Nicolas Pitre <nico@cam.org>
14544 * arm.md (smaxsi3): Make aware of smax_m1.
14547 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14549 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14551 2006-01-31 Richard Guenther <rguenther@suse.de>
14553 * doc/invoke.texi (-msselibm): Document.
14554 * target.h (expand_library_builtin): New target hook.
14555 * builtins.c (expand_builtin): Use expand_library_builtin.
14556 (default_expand_library_builtin): New function.
14557 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14558 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14559 (link_gcc_math_spec): Declare.
14560 (static_specs): Add link_gcc_math_spec.
14561 * expr.h (default_expand_library_builtin): Declare.
14562 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14563 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14564 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14565 * config/i386/i386.opt (msselibm): New target option.
14566 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14567 (ix86_init_sse_abi_builtins): New function.
14568 (ix86_expand_library_builtin): Likewise.
14569 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14570 (override_options): Handle error conditions wrt -msselibm.
14571 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14572 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14573 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14576 2006-01-31 Richard Guenther <rguenther@suse.de>
14577 Paolo Bonzini <bonzini@gnu.org>
14579 * doc/install.texi (--disable-libgcc-math): Document.
14581 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14583 * expr.h (expand_normal): new inline function.
14584 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14585 * dojump.c: use it.
14586 * dwarf2out.c: use it.
14589 * expmed.c: use it.
14590 * except.c: use it.
14591 * config/sparc/sparc.c: use it.
14592 * config/i386/i386.c: use it.
14593 * config/rs6000/rs6000.c: use it.
14594 * config/arm/arm.c: use it.
14595 * config/mips/mips.c: use it.
14596 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14598 2006-01-30 Roger Sayle <roger@eyesopen.com>
14600 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14601 argv to the appropriate type.
14603 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14605 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14608 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14611 * config/s390/s390.c (struct machine_function): New flag
14612 decomposed_literal_pool_addresses_ok_p.
14613 (s390_reorg): Set it before final stage of literal pool transforms.
14614 (s390_decompose_address): Only accept displacements of the form
14615 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14617 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14619 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14620 the comparison routine return.
14622 2006-01-30 Michael Matz <matz@suse.de>
14624 * global.c (find_reg): Only evict for global regs.
14625 Take n_refs into account and dump more info.
14627 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14630 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14631 (pragma_trap, pragma_nosave_low_regs): Likewise.
14632 (current_function_anonymous_args): Likewise.
14633 (sh_deferred_function_attributes): New variable.
14634 (sh_deferred_function_attributes_tail): Likewise.
14635 (print_operand): For '@', look up trap_exit attribute.
14636 (calc_live_regs): Look up trapa_handler attribute. For trapa
14637 handlers, save/restore fpscr, but don't do any other
14638 interrupt-specific saves.
14639 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14640 Fix check for partially saved registers to check for SHmedia.
14641 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14642 (sh_output_function_epilogue): Don't clear any of the removed
14644 (sh_insert_attributes): Don't check pragma_interrupt.
14645 Insert deferred attributes. Check that interrupt attribute is
14646 present for other attributes that require its presence.
14647 (sh_attribute_table): Add new attributes trapa_handler and
14649 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14650 Don't check for pragma_interrupt. Don't store argument.
14651 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14652 (sh_deferred_function_attributes): Declare.
14653 (sh_deferred_function_attributes_tail): Likewise.
14654 * sh.md (sp_switch_1): Add operand. Change generator caller.
14655 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14656 (*return_i): Don't use when trap_exit attribute is in effect.
14657 (*return_trapa): New insn pattern.
14658 * sh-c.c: New file.
14659 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14660 setting c_target_objs and cxx_target_objs.
14661 * t-sh: Add rule for sh-c.o.
14663 2006-01-30 Richard Guenther <rguenther@suse.de>
14666 * gimplify.c (gimplify_target_expr): Handle easy cases
14667 without creating a temporary.
14669 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14671 * vec.h (safe_grow): Remove duplicated line.
14673 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14676 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14677 (expand_omp): ... here.
14678 (expand_omp_parallel): Only remove barriers for combined
14679 parallel+workshare constructs.
14681 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14685 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14686 * tree.c (build_qualified_type): Chain the new type to the original
14687 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14688 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14689 (build_pointer_type_for_mode): Only return unqualified types.
14690 (build_reference_type_for_mode): Likewise.
14692 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14694 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14695 * Makefile.in (CXX_COMPAT_WARN): Define.
14696 * configure: Regenerate.
14698 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14701 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14704 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14706 * toplev.c: Fix thinko.
14708 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14709 Marcin Dalecki <martin@dalecki.de>
14711 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14712 (push_srcloc): Use XNEW.
14713 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14715 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14717 * df-core.c (df_set_blocks): Deleted all variable.
14719 2006-01-28 Ian Lance Taylor <ian@airs.com>
14721 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14722 cgraph_output_pending_asms.
14724 2006-01-28 Zack Weinberg <zackw@panix.com>
14726 * c.opt: Add -W(no-)overlength-strings.
14727 * doc/invoke.texi: Document it.
14728 * c-opts.c (c_common_handle_option): -pedantic implies
14729 -Woverlength-strings, if not explicitly disabled already.
14730 (c_common_post_options): -Woverlength-strings defaults to off, and
14731 is always off for C++.
14732 * c-common.c (fix_string_type): Issue warning about strings longer
14733 than is portable only if warn_overlength_strings. Rearrange code
14734 a little for clarity.
14735 * configure.in: Check for -Wno-overlength-strings as well before
14736 enabling -pedantic in stage 1.
14737 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14738 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14740 * genconditions.c (write_header, write_one_condition)
14741 (write_conditions, write_writer): Consolidate very long strings
14742 that were broken up to fit in C89 portable limit. Don't use
14743 printf when fputs will do.
14745 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14747 * combine.c (simplify_comparison <AND>): Check
14748 TRULY_NOOP_TRUNCATION before start using a subreg.
14750 * config/mips/mips.md (*branch_zero<mode>,
14751 *branch_zero<mode>_inverted, *branch_equality<mode>,
14752 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14753 Remove mode check from comparisons.
14755 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14757 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14759 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14761 * expmed.c (const_mult_add_overflow_p): Remove.
14762 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14764 * recog.c (validate_replace_rtx_subexp): Remove.
14765 * recog.h: Remove the prototype for
14766 validate_replace_rtx_subexp.
14768 * integrate.h: Remove the prototype for
14769 copy_decl_for_inlining.
14770 * rtl.h: Remove the prototype for mark_constant_function.
14771 * tree-vectorizer.h: Remove the prototype for
14772 vect_strip_conversion.
14774 * modulo-sched.c (create_partial_schedule,
14775 free_partial_schedule, reset_partial_schedule): Make them
14778 * hooks.c (hook_bool_rtx_int_false): Remove.
14779 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14781 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14783 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14784 and -mlong-double-128 are incompatible.
14785 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14786 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14787 (TARGET_LIBGCC2_CFLAGS): Define.
14788 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14789 (TARGET_LIBGCC2_CFLAGS): Same.
14790 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14792 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14795 * c-typeck.c (build_binary_op): Perform implicit casts of
14796 operands before shortening them.
14798 * cfgloopmanip.c (split_loop_bb): Remove.
14799 * cfgloop.h: Remove the prototype for split_loop_bb.
14801 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14802 * cfgloop.h: Remove the prototype for
14803 flow_loop_outside_edge_p.
14805 * emit-rtl.c (init_virtual_regs): Make it static.
14806 * function.h: Remove the prototype for init_virtual_regs.
14808 * recog.c (peephole2_optimize): Make it static.
14809 * recog.h: Remove the prototype for peephole2_optimize.
14811 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14813 * df-scan.c (df_record_entry_block_defs): Check if
14814 INCOMING_RETURN_ADDR_RTX is defined.
14816 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14817 Kenneth Zadeck <zadeck@naturalbridge.com>
14819 PR rtl-optimization/24762
14820 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14821 * targhooks.c (hook_void_bitmap): New hook prototype.
14822 * targhoohs.h (hook_void_bitmap): Ditto.
14823 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14824 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14825 * target.h (live_on_entry): New function pointer.
14826 * df-scan.c (df_all_hard_regs): Removed.
14827 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14828 (df_scan_free_internal): Added df->entry_block_defs.
14829 (df_scan_alloc): Ditto.
14830 (df_scan_dump): Ditto.
14831 (df_uses_record): Plumbed flag field properly thru calls.
14832 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14833 This part fixes PR24762.
14834 (df_bb_refs_record): Added code to make the frame and arg
14835 pointers live in EH blocks.
14836 (df_refs_record): Added call to df_record_entry_block_defs.
14837 (df_record_entry_block_defs): New function.
14838 * df-core.c: Added comments to describe new artifical defs.
14839 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14840 (entry_block_defs): New field in struct df.
14841 (df_all_hard_regs): Deleted.
14842 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14843 * df-problems.c (df_ru_bb_local_compute_process_def):
14844 Added code to handle artifical defs in the entry to a function.
14845 (df_ru_bb_local_compute): Ditto.
14846 (df_rd_bb_local_compute_process_def): Ditto.
14847 (df_rd_bb_local_compute): Ditto.
14848 (df_lr_bb_local_compute): Ditto.
14849 (df_ur_bb_local_compute): Ditto.
14850 (df_urec_bb_local_compute): Ditto.
14851 (df_chain_create_bb): Ditto.
14852 (df_ur_local_finalize): Removed entry.
14853 (df_urec_init): Ditto.
14854 (df_urec_local_finalize): Ditto.
14855 (df_ri_bb_compute): Added detection of last use of pseudos.
14856 * Makefile.in (df-scan.o): Updated dependencies.
14857 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14858 * config/mips/mips.c (mips_set_live_on_entry): Added.
14859 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14861 * dce.c (marked_insn_p): Added code to handle artifical defs.
14863 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14865 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14867 (_mm_cvtsi128_si64): Likewise.
14868 (_mm_cvtsd_si64): Likewise.
14869 (_mm_cvttsd_si64): Likewise.
14870 (_mm_cvtsi64_sd): Likewise.
14871 (_mm_cvtsi64_si128): Likewise.
14872 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14873 (_mm_cvtsi64_m64): Likewise.
14874 (_m_to_int64): Likewise.
14875 (_mm_cvtm64_si64): Likewise.
14876 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14877 (_mm_cvttss_si64): Likewise.
14878 (_mm_cvtsi64_ss): Likewise.
14879 (_mm_cvtss_f32): Likewise.
14881 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14883 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14884 for pragma redefine_extname.
14886 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14889 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14890 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14891 -mno-minimal-toc to previous content.
14892 (bispecs): Remove goal.
14893 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14894 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14895 compatibility aliases on powerpc-*-*gnu*.
14896 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14897 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14898 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14899 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14900 (ldblspecs): New goal.
14901 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14902 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14904 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14905 L_sf_to_tf or L_df_to_tf is defined.
14907 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14908 Alan Modra <amodra@bigpond.net.au>
14911 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14912 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14913 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14914 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14915 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14916 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14917 (rs6000_override_options): Initialize rs6000_ieeequad.
14918 Initialize TFmode format to ibm_extended_format if not
14920 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14922 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14923 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14924 (function_arg_advance): IBM long double passed in two FPRs, not
14926 (function_arg): IBM long double passed in FPRs.
14927 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14928 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14929 Only multireg GPR aligned.
14930 (rs6000_init_libfuncs): Enable IBM long double functions if not
14932 (rs6000_generate_compare): Use IBM long double compare if not
14934 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14935 (TARGET_IEEEQUAD): Define.
14936 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14937 not TARGET_IEEEQUAD.
14938 * config/rs6000/rs6000.md: Enable TFmode patterns if
14940 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14941 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14942 and -mlong-double-128 are incompatible.
14943 * doc/invoke.texi (-mabi): Collect options together. Add
14944 ibmlongdouble and ieeelongdouble.
14946 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14948 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14950 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14951 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14952 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14953 * rtl.h (rtunion_def): Remove rt_ptr.
14955 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14956 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14957 * config/i386/winnt.c (i386_pe_mark_dllexport)
14958 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14960 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14962 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14964 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14968 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14969 pthread_key_delete. From John David Anglin. gthrw-ify
14970 pthread_getunique_np only if it it's not a macro. Delete
14972 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14973 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14974 __gthread_objc_condition_signal, __gthread_key_delete): Add
14975 "__attribute__ ((__unused__))" to unused arguments.
14976 (__gthread_recursive_mutex_init_function): Add missing return.
14977 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14978 gthr-posix95.h: Use macro-based approach for name redirection
14979 on targets missing weakref.
14981 2006-01-26 Zack Weinberg <zackw@panix.com>
14983 * genconditions.c (write_header): In generated code, #ifdef out
14984 all includes and fake declarations, except includes of bconfig.h
14985 and system.h, unless GCC_VERSION >= 3001. Do not include
14986 gensupport.h in any case.
14987 (write_conditions): Generate a definition of struct c_test. Add
14988 a comment to the generated #endif.
14989 (write_one_condition): Escape backslashes in string too.
14990 (write_writer): Generated code must escape backslashes and quote
14991 marks (but not newlines) in the strings it writes.
14992 * Makefile.in (build/gencondmd.o): Update dependencies.
14994 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14997 * Makefile.in (insn-automata.o): Add header file dependencies.
14998 * genautomata.c: Add includes.
15000 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15003 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15005 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15007 * configure.ac: Expect target tools paths to be passed from the toplevel
15008 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15010 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15012 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15015 * c.opt (Wpointer-sign): Init to -1.
15016 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15017 OPT_pedantic, to 0 otherwise.
15018 * doc/invoke.texi: Update.
15020 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15022 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15023 constants provided by 80387 instructions in the destination mode.
15025 2006-01-26 Richard Guenther <rguenther@suse.de>
15026 Andrew Pinski <pinskia@physics.uc.edu>
15029 partial PR tree-opt/17064
15030 * tree-ssa-structalias.c (intra_create_variable_infos):
15031 Create heap variables for incoming parameters if
15032 flag_argument_noalias > 1.
15033 (find_what_p_points_to): Look through default defs of
15036 2006-01-26 Jeff Law <law@redhat.com>
15039 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15040 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15041 within the VR_RANGE, use the VR_RANGE as the result, not the
15043 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15044 bounds for the type.
15046 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15048 * tree-ssa-alias.c (maybe_create_global_var): Change
15049 subvar walking to an assertion that we don't have subvar'd variables.
15051 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15054 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15055 Use a new variable, inner. PARM_DECLs are always non-weak.
15057 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15059 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15060 --disable-checking.
15062 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15064 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15066 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15068 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15069 (smax_insn, smin_insn, smax_0, smin_0): New.
15071 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15074 * config/cris/cris.c (cris_order_for_addsi3): New function.
15075 * config/cris/cris-protos.h: Prototype it.
15076 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15077 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15078 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15079 (split for "op.S1 [rx=rx+i],ry (swapped)")
15080 (split for "op(s|u).S1 [rx=rx+i],ry")
15081 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15082 Apply cris_order_for_addsi3 when generating addsi3 insns.
15084 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15086 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15087 (TREE_BLOCK): Add call to EXPR_CHECK.
15089 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15092 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15093 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15094 (dump_omp_clauses): ... here.
15095 (dump_generic_node): Handle OMP_CLAUSE.
15096 * tree.c (omp_clause_num_ops): New.
15097 (omp_clause_code_name): New.
15098 (tree_code_size): Handle OMP_CLAUSE.
15099 (tree_size): Likewise.
15100 (make_node): Document handling of OMP_CLAUSE.
15101 (tree_node_structure): Handle OMP_CLAUSE.
15102 (omp_clause_check_failed): New.
15103 (omp_clause_range_check_failed): New.
15104 (omp_clause_operand_check_failed): New.
15105 (build_omp_clause): New.
15106 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15107 * tree.h (enum omp_clause_code): Declare.
15108 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15109 (OMP_CLAUSE_RANGE_CHECK): Define.
15110 (OMP_CLAUSE_ELT_CHECK): Define.
15111 (omp_clause_check_failed): Declare.
15112 (omp_clause_operand_check_failed): Declare.
15113 (omp_clause_range_check_failed): Declare.
15114 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15115 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15116 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15117 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15118 (OMP_CLAUSE_IF_EXPR): Likewise.
15119 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15120 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15121 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15122 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15123 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15124 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15125 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15126 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15127 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15128 (OMP_CLAUSE_CODE): Define.
15129 (OMP_CLAUSE_SET_CODE): Define.
15130 (OMP_CLAUSE_CODE): Define.
15131 (OMP_CLAUSE_OPERAND): Define.
15132 (struct tree_omp_clause): Declare.
15133 (union tree_node): Add field 'omp_clause'.
15134 * treestruct.def (TS_OMP_CLAUSE): Define.
15135 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15136 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15137 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15138 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15139 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15140 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15141 (OMP_CLAUSE): Define.
15142 * print-tree.c (print_node): Handle OMP_CLAUSE.
15143 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15144 * c-typeck.c: Likewise.
15145 * gimplify.c: Likewise.
15146 * c-omp.c: Likewise.
15147 * tree-nested.c: Likewise.
15148 * tree-inline.c: Likewise.
15149 * c-parser.c: Likewise.
15150 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15153 2006-01-25 Roger Sayle <roger@eyesopen.com>
15155 PR rtl-optimization/25703
15156 * combine.c (try_combine): Handle zero_extract and strict_low_part
15157 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15159 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15161 * global.c: Fix comment typos.
15163 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15166 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15167 Use output_addr_const instead of assemble_name.
15169 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15171 * Makefile.in (sched-vis.o): Update dependencies.
15172 * haifa-sched.c (sched_finish): Clear current_sched_info.
15173 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15174 (dump_flow_info): Call it.
15175 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15177 * basic-block.h (dump_bb_info): Declare.
15178 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15179 option, and apply options only for dump files whose TDF_RTL,
15180 TDF_TREE, or TDF_IPA bits match.
15181 * rtl.h: Declare new functions exported from sched-vis.c.
15182 * sched-vis.c: Enable also if scheduling is not used.
15183 (print_value): Print the mode of registers if not inside scheduling.
15184 (print_insn): Make it work outside the scheduler. Beautify the output
15186 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15188 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15190 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15191 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15192 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15193 depending on the value of CONSTANT_POOL_ADDRESS_P.
15194 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15196 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15197 rather than SYMBOL_REF_DECL.
15198 (rtx_constant_pool): Remove const_rtx_sym_htab.
15199 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15200 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15201 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15202 Remove handling of const_rtx_sym_htab.
15203 (find_pool_constant): Delete.
15204 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15205 rather than find_pool_constant.
15206 (get_pool_constant_for_function): Delete.
15207 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15208 find_pool_constant.
15209 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15210 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15211 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15212 (SYMBOL_REF_CONSTANT): New macro.
15213 (get_pool_constant_for_function): Delete.
15214 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15215 rather than SYMBOL_REF_DECL.
15216 (i386_pe_mark_dllimport): Likewise.
15217 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15218 rather than SYMBOL_REF_DECL.
15219 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15220 (machopic_indirect_call_target): Likewise.
15222 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15224 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15226 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15228 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15230 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15232 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15234 2006-01-24 David Daney <ddaney@avtrex.com>
15237 * configure.ac (enable_tls): New enable option.
15238 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15239 * configure: Regenerate.
15240 * doc/install.texi (--enable-tls): Document new option.
15241 (--disable-tls): Ditto.
15243 2006-01-24 Richard Henderson <rth@redehat.com>
15245 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15246 * alias.c (true_dependence): Respect it.
15247 (canon_true_dependence, write_dependence_p): Likewise.
15248 * builtins.c (get_builtin_sync_mem): Set it.
15250 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15252 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15255 2006-01-24 DJ Delorie <dj@redhat.com>
15257 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15258 for storing constants in single-bit bitfields.
15260 2006-01-25 Ben Elliston <bje@au.ibm.com>
15262 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15264 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15267 * tree-ssa-pre.c (phi_translate): Return NULL
15268 for AGGREGATE_TYPE's.
15270 2006-01-24 Zack Weinberg <zackw@panix.com>
15272 * genautomata.c (process_state_for_insn_equiv_partition):
15273 Use xcalloc for insn_arcs_array.
15274 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15275 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15277 2006-01-24 Richard Henderson <rth@redhat.com>
15279 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15280 update all callers.
15282 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15284 PR rtl-optimization/25890
15285 PR rtl-optimization/25905
15286 * combine.c (expand_compound_operation, expand_field_assignment):
15287 Fail if the bitfield's final position is out of bounds.
15289 2006-01-24 Ian Lance Taylor <ian@airs.com>
15291 PR middle-end/25930
15292 * cgraphunit.c (cgraph_output_in_order): Don't clear
15293 cgraph_asm_nodes until after asm strings have been output.
15295 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15297 * fix-header.c (read_scan_file): Add new parameter imultilib when
15298 calling register_include_chains.
15300 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15302 * omp-low.c: Update documentation.
15304 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15305 Daniel Berlin <dberlin@dberlin.org>
15309 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15310 return from the function.
15312 2006-01-22 Zack Weinberg <zackw@panix.com>
15314 * rtl.def (match_code): Add second argument.
15315 * genpreds.c (write_extract_subexp): New function.
15316 (write_match_code): Add path argument. Use write_extract_subexp.
15317 (write_predicate_expr): Pass path to write_match_code.
15318 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15319 not perform a mode test.
15320 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15321 a subexpression does not constrain the top-level code set.
15322 * read-rtl.c (read_rtx_variadic): New function.
15323 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15324 * doc/md.texi: Document new notation.
15325 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15326 (cmpsi_operand): ... here, using new notation.
15328 2006-01-22 Zack Weinberg <zackw@panix.com>
15330 * varray.c: Remove GENERATOR_FILE #ifdefs.
15332 2006-01-22 Zack Weinberg <zackw@panix.com>
15334 * genautomata.c (output_reserved_units_table): Emit nothing if
15335 description->query_units_num is zero. Remove extra blank line.
15336 (output_cpu_unit_reservation_p): Short circuit
15337 if description->query_units_num is zero.
15339 2006-01-22 Zack Weinberg <zackw@panix.com>
15341 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15342 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15343 nor any of the random handful of variables that used to be necessary
15344 when this program was linked with rtlanal.o. Prune set of forward
15345 function declarations.
15346 (struct attr_desc): Remove static_p field.
15347 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15348 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15349 (attr_string): Do not read the character one past the length of
15351 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15352 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15353 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15354 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15355 (make_automaton_attrs): New.
15356 (main): Do not call into genautomata. Call local gen_bypass
15357 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15358 Remove special case for insn_alts.
15359 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15360 varray.h (leftover from previous change). Prune set of forward
15361 function declarations. Remove state_alts fields from all
15362 structures. Remove state_alts_table from struct automaton.
15363 Make everything except main static. Do not maintain num_dfa_decls.
15364 Do not maintain state_alts fields of various structures.
15365 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15366 (add_arc): Remove state_alts argument. All callers updated.
15367 (output_reserved_units_table): Emit #ifdef here...
15368 (output_tables): ...not here. Don't generate state_alts tables.
15369 (expand_automata): Don't generate attributes.
15370 (write_automata): Don't generate state_alts functions.
15371 (main): New function.
15372 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15373 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15374 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15375 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15376 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15377 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15378 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15379 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15381 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15382 * genattrtab.h: Delete file.
15383 * Makefile.in (OBJS-common): Add insn-automata.o.
15384 (insn-automata.o): New rule.
15385 (simple_generated_c): Add insn-automata.c.
15386 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15387 (genprogmd): Add automata.
15388 (build/genattrtab): Needs no extra objects nor libraries.
15389 (build/genautomata): Needs build/vec.o and -lm.
15391 2006-01-22 Zack Weinberg <zackw@panix.com>
15393 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15394 (output_dfa_max_issue_rate, locked_states_num): Delete.
15395 (struct automaton): Add locked_states field.
15396 (output_dead_lock_vect): Save number of locked states in
15397 automaton->locked_states. If it is zero, don't print anything.
15398 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15399 (output_internal_dead_lock_func): Only test the dead_lock_vect
15400 for automata that have locked states.
15401 (output_statistics): Always print the number of locked states for
15402 each automaton. Calculate total number of locked states here.
15403 (write_automata): Don't call output_dfa_max_issue_rate.
15404 * genattrtab.c: Define length_unit_log as a const variable.
15405 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15406 max_insn_queue_index const.
15407 * final.c (length_unit_log): Declare const.
15408 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15410 2006-01-22 Zack Weinberg <zackw@panix.com>
15412 * genautomata.c: Include vec.h, not varray.h.
15413 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15414 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15415 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15416 VEC_* macros operating on appropriately typed vectors, or to
15417 malloced arrays when the size is known in advance. Const-ify
15418 many char* variables and function arguments. No functional changes.
15419 * Makefile.in (build/varray.o): Delete rule.
15420 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15421 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15423 2006-01-22 Zack Weinberg <zackw@panix.com>
15425 * gensupport.c: Define get_insn_name and record_insn_name here.
15426 (read_md_rtx): Call record_insn_name as appropriate.
15427 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15428 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15429 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15431 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15432 (BUILD_VARRAY): Delete.
15433 (genprognormal): Rename genprogmd. Fold in all programs from
15434 genprognoprint; also attrtab.
15435 (build/genattrtab): Just mention genautomata.o and varray.o.
15436 Reorganize a bit, add comments to make the categories clearer.
15438 2006-01-22 Zack Weinberg <zackw@panix.com>
15440 * genconditions.c (condition_table, add_condition): Delete.
15441 (write_conditions): Don't emit n_insn_conditions nor
15442 insn_elision_unavailable. Issue the gcc version #ifdef here,
15443 inside the table, with no #else clause ...
15444 (write_header): ...not here.
15445 (write_writer): New function.
15446 (main): Don't initialize condition_table. Use add_c_test.
15448 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15449 files on the command line.
15450 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15451 Return -1 if there is no entry in the table, don't abort.
15452 (add_c_test, traverse_c_tests): New functions.
15453 * gensupport.h (insn_elision_unavailable, insn_conditions)
15454 (n_insn_conditions): Delete declarations.
15455 (add_c_test, traverse_c_tests): Declare.
15456 * read-rtl.c: Include gensupport.h.
15457 (read_conditions): New function.
15458 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15459 (read_rtx_1): If we get EOF when we were looking for an initial
15460 open paren, return 0. Call read_conditions when appropriate.
15461 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15462 dummy-conditions.o. Eliminate references to insn-conditions.o,
15463 or change them to build/gencondmd.o, as appropriate. Remove
15464 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15465 from $(simple_generated_c). For all files remaining in those
15466 two lists, add insn-conditions.md to the generator command line.
15467 Give insn-constants.h/s-constants their own rules. Add rules
15468 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15469 (build/read-rtl.o): Depend on gensupport.h.
15470 (genprognormal): Include preds.
15471 (genprogearly): Rename genprognoprint; only difference is now that
15472 they don't link with $(BUILD_PRINT).
15473 * dummy-conditions.c: Delete.
15475 2006-01-22 Zack Weinberg <zackw@panix.com>
15477 * genextract.c: Don't include insn-config.h. Do include vec.h.
15478 Declare vectors of int, char, and locstr.
15479 (locstr): New typedef.
15480 (struct extraction): Make all array fields into bare pointers.
15481 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15482 (insn_code_number): Delete.
15483 (accum_extract): New struct.
15484 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15485 (gen_insn): Take insn_code_number as an argument. Use an
15486 accum_extract structure instead of loading data directly into
15487 a struct extraction, and having to know how big it might get.
15488 (walk_rtx): Operate entirely on an accum_extract structure.
15489 (print_path): Avoid unnecessary use of printf.
15490 (print_header): New function, split out of main. Distinguish
15491 more carefully between an unrecognizable insn and an insn that
15492 has the code number of a define_expand.
15493 (main): Pass insn_code_number to gen_insn. Call print_header
15494 only after parsing. Avoid unnecessary use of printf.
15495 * Makefile.in (build/vec.o): New rule.
15496 (build/genextract): Depend on build/vec.o.
15497 (build/genextract.o): Don't depend on insn-config.h.
15499 2006-01-22 Zack Weinberg <zackw@panix.com>
15501 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15502 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15503 practical. Eliminate per-generator-program link rules.
15505 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15507 PR middle-end/24437
15508 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15509 with a call expr to ...
15510 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15512 2006-01-23 Richard Guenther <rguenther@suse.de>
15514 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15515 before make_edge with conditional EDGE_TRUE_VALUE.
15517 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15518 Jan Hubicka <jh@suse.cz>
15519 Richard Guenther <rguenther@suse.de>
15521 PR rtl-optimization/25654
15522 * cfgexpand.c (aggregate_contains_union_type): New function.
15523 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15524 for structure variables that contain a union type.
15526 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15528 * gengtype.c (new_structure): Return the structure.
15529 (create_option): Add an extra "next" argument.
15530 (create_field): New function.
15531 (adjust_field_rtx_def): Use create_option and create_field.
15532 Remove a now-unnecessary call to find_structure.
15533 (adjust_field_tree_def): Likewise.
15534 (note_yacc_type): Remove an unnecessary call to find_structure.
15535 * gengtype.h (new_structure): Return the structure.
15536 (create_option): Add an extra argument.
15537 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15538 (option): Adjust calls to create_option.
15540 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15542 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15544 2006-01-22 Paul Brook <paul@codesourcery.com>
15545 Peter Barada <peter@the-baradas.com>
15547 * config/m68k/m68k.md: Add Coldfire FPU support.
15548 Define FP mode macro and associated attributes.
15549 Use it for float mode patterns.
15550 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15551 (LIBCALL_VALUE): Use m68k_libcall_value.
15552 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15553 (m68k_function_value): Ditto.
15554 (emit_move_sequence): Ditto.
15555 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15556 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15557 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15558 (MULTILIB_EXCEPTIONS): Ditto.
15559 * config/m68k/m68k.opt: Add mcfv4e.
15560 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15561 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15562 (m68k_output_function_prologue): Save ColdFire FPU registers.
15563 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15564 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15565 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15566 ColdFire FPU registers.
15567 (m68k_libcall_value, m68k_function_value): New functions.
15568 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15569 (LIBCALL_VALUE): Use m68k_libcall_value.
15570 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15571 (MASK_COLDFIRE): Add MASK_CFV4E.
15572 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15573 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15574 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15575 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15576 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15577 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15578 * doc/invoke.tex: Document -mcfv4e on m68k.
15580 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15582 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15585 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15588 * c-opts.c (c_common_handle_option): Don't include
15589 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15590 * doc/invoke.texi (C++ Dialect Options): Document that
15591 -Wnon-virtual-dtor is no longer included in -Wall.
15593 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15595 * gcov.c (print_version), gcov-dump.c (print_version),
15596 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15599 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15601 * df-scan.c (problem_SCAN): Added NULL reset function.
15602 (df_scan_reset_blocks): Added code to call reset block function
15603 (df_bb_refs_delete) Fixed comment.
15604 (df_insn_refs_delete): Made tolerant of deleting non existent info
15605 for dataflow problems that need to be reset.
15606 * df-core.c (df_set_blocks): Ditto.
15607 * df.h (struct df_problem): Added reset_fun.
15608 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15609 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15610 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15611 functions to clear out all references to def-use or use-def chains.
15613 2006-01-21 Ben Elliston <bje@au.ibm.com>
15615 * varasm.c (assemble_real): Initialise data array.
15617 2006-01-20 Paul Brook <paul@codesourcery.com>
15619 Merge from csl-arm-branch.
15620 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15621 * config/arm/arm.md (movdi): Force operands[1] to a register
15622 if we have a non-register source.
15623 (*arm_movdi, *movdf_soft_insn): Require that one of the
15624 operands be a register.
15625 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15626 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15628 2006-01-20 DJ Delorie <dj@redhat.com>
15630 * varasm.c (initializer_constant_valid_p): Allow pointers
15631 initialized from integer constants of lesser precision.
15632 (output_constant): Allow non-int-sized pointer modes to be
15633 initialized from integer constants.
15635 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15638 * cppdefault.h (struct default_include): Add multilib flag.
15639 * cppdefault.c (cpp_include_defaults): Set it.
15640 * c.opt (-imultilib): New option.
15641 * c-opts.c (imultilib): New.
15642 (c_common_handle_option): Handle -imultilib.
15643 (c_common_post_options): Likewise.
15644 * c-incpath.c (add_standard_paths, register_include_chains):
15646 * c-incpath.h (register_include_chains): Add extra parameter.
15647 * gcc.c (do_spec_1): Generate -imultilib option.
15648 (The Specs Language): Update %I description.
15649 (process_command): Update copyright notice.
15650 * doc/cppopts.texi (-imultilib): Document.
15651 * doc/invoke.texi (-imultilib): Include in option summary.
15652 (%I): Update specs documentation.
15654 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15656 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15658 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15660 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15663 2006-01-20 Richard Guenther <rguenther@suse.de>
15664 Steven Bosscher <stevenb.gcc@gmail.com>
15666 PR rtl-optimization/24626
15667 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15668 EDGE_TRUE_VALUE if in RTL mode.
15671 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15672 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15674 2006-01-20 Dirk Mueller <dmueller@suse.com>
15677 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15678 instead of a special NOP marker.
15679 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15680 NOP marker handling.
15681 * c-common.h (empty_body_warning): Add forward declaration.
15682 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15683 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15685 2006-01-20 Paul Brook <paul@codesourcery.com>
15687 * Makefile.in (lang_checks): Keep going if mkdir fails.
15689 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15691 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15692 be able to clean out basic block when not necessary.
15693 (df_scan_free): Fixed to properly delete information if df is
15694 unused before calling df_finish.
15695 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15696 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15698 (df_bb_refs_delete): New function.
15699 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15700 * df-core.c (df_set_blocks): Added code to properly clean out
15701 unused blocks if they are not part of the blocks to consider.
15702 Added additional null check.
15703 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15704 be able to clean out basic block when not necessary
15705 * df.h (df_free_bb_function): Ditto.
15706 (df_bb_refs_delete): New function.
15707 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15708 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15709 basic block parameter to be able to clean out basic block when not
15711 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15712 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15713 Fixed to properly delete information if df is unused before
15716 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15718 PR rtl-optimization/25799
15719 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15720 Corrected confluence operator to remove bits from op2 before oring
15721 with op1 rather than removing bits from op1.
15722 (df_ru_transfer_function): Corrected test on wrong bitmap which
15723 caused infinite loop. Both of these problems were introduced in
15724 the dataflow rewrite.
15726 2006-01-19 DJ Delorie <dj@redhat.com>
15728 * reload1.c (find_reload_regs): Note the details of reload
15729 failures in the dump file.
15730 (spill_failure): Likewise.
15732 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15734 * loop-iv.c: Include df.h and hashtab.h.
15735 (enum iv_grd_result): New enum.
15736 (DF_REF_IV, DF_REF_IV_SET): New macros.
15737 (struct biv_entry): New.
15738 (df, bivs): New global variables.
15739 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15740 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15742 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15743 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15744 analyzed_for_bivness_p, record_biv): New functions.
15745 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15746 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15747 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15749 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15751 (iv_number_of_iterations): Use new interface to iv analysis.
15752 * loop-unroll.c: Do not include varray.h.
15753 (analyze_iv_to_split_insn): Use new interface to iv
15755 * loop-unswitch.c (may_unswitch_on): Ditto.
15756 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15758 (df_bb_modify): Realloc tables to the new index.
15759 (df_find_use): New function.
15760 * df.h (df_find_use): Declare.
15761 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15763 * cfgloop.h (struct rtx_iv): Remove analysed field.
15764 (iv_get_reaching_def): Removed.
15765 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15766 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15767 (loop-iv.o): Add df.h and hashtab.h dependency.
15768 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15770 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15773 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15775 (__floatundisf, __floatundidf): Likewise.
15776 * libgcc2.h (IS_IBM_EXTENDED): Define.
15778 2006-01-19 DJ Delorie <dj@redhat.com>
15780 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15782 2006-01-19 Paul Brook <paul@codesourcery.com>
15784 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15785 as nothrow when unwinding tables are disabled.
15787 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15790 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15791 of bit-field" when in system header.
15793 2006-01-19 DJ Delorie <dj@redhat.com>
15795 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15796 the 16 bit shift limit of the m16c.
15798 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15801 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15802 * config/i386/i386.c (output_set_got): Output the label if we have one
15803 for the TARGET_DEEP_BRANCH_PREDICTION case.
15805 2006-01-19 Jan Hubicka <jh@suse.cz>
15806 H.J. Lu <hongjiu.lu@intel.com>
15807 Evandro Menezes <evandro.menezes@amd.com>
15809 * invoke.texi (generic): Document
15811 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15812 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15813 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15814 (x86_use_incdec, x86_pad_returns): New variables
15815 (TARGET_CPU_DEFAULT_generic): New constant
15816 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15817 (enum processor_type): Add generic32 and generic64.
15818 * i386.md (cpu attribute): Add generic32/generic64
15819 (movhi splitter): Behave sanely when both partial_reg_dependency and
15820 partial_reg_stall are set.
15821 (K8 splitters): Enable for generic as well.
15822 * predicates.md (incdec_operand): Use TARGET_INCDEC
15823 (aligned_operand): Avoid memory mismatch stalls.
15824 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15825 * ppro.md: Enable for generic32
15826 * i386.c (generic64_cost, generic32_cost): New.
15827 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15828 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15829 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15830 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15831 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15832 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15833 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15834 x86_accumulate_outgoing_args, x86_prologue_using_move,
15835 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15836 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15837 Enable for generic.
15838 (x86_use_incdec, x86_pad_returns): New.
15839 (override_options): Add generic32 and generic64, translate "generic"
15840 to generic32/generic64 and "i686" to "generic32", refuse
15841 "generic32"/"generic64" as arch target.
15842 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15843 (ix86_reorg): Honor PAD_RETURNS.
15845 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15847 * tree-pretty-print.c (dump_generic_node): Handle
15848 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15849 * cgraph.c (cgraph_expand_queue): Rename from
15850 cgraph_analyze_queue. Update all users.
15851 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15852 cgraph_expand_queue.
15853 (cgraph_expand_all_functions): Likewise.
15854 (cgraph_finalize_pending_functions): Remove. Update callers.
15856 * tree.h (OMP_DIRECTIVE_P): Define.
15857 (OMP_PARALLEL_FN): Define.
15858 (OMP_PARALLEL_DATA_ARG): Define.
15859 (OMP_SECTIONS_SECTIONS): Define.
15860 * tree-pass.h (pass_expand_omp): Declare.
15861 * omp-low.c (struct omp_region): Declare.
15862 (struct omp_context): Remove fields 'parallel_type',
15863 'parallel_start_ix' and 'parallel_start_additional_args'.
15865 (struct omp_for_data): Rename from struct expand_omp_for_data.
15866 (omp_regions): New static variable.
15867 (root_omp_region): New static variable.
15868 (find_omp_clause): Make static.
15869 (is_in_combined_parallel_ctx): Remove.
15870 (is_combined_parallel): New.
15871 (extract_omp_for_data): Move earlier in the file.
15872 (workshare_safe_to_combine_p): New.
15873 (get_ws_args_for): New.
15874 (determine_parallel_type): Move earlier in the file.
15875 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15877 (omp_copy_decl): Likewise.
15878 (create_omp_child_function): Likewise.
15879 (lookup_omp_region): New.
15880 (dump_omp_region): New.
15881 (debug_omp_region): New.
15882 (debug_all_omp_regions): New.
15883 (new_omp_region): New.
15884 (scan_omp_parallel): If parallel_nesting_level > 1, the
15885 directive is nested within another parallel directive.
15886 Set OMP_PARALLEL_FN.
15887 (scan_omp_for): Do not try to handle combined parallel+for
15889 Remove FIXME comment.
15890 (scan_omp_nested): Remove.
15891 (scan_omp_1): Do not call scan_omp_nested when
15892 parallel_nesting_level is > 1.
15893 Do not change the DECL_CONTEXT of local variables found.
15894 (lookup_decl_in_outer_ctx): New.
15895 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15896 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15897 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15898 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15899 If CTX is nested, lookup VAR in the outer context when
15900 building copy assignment.
15901 (lower_send_clauses): Rename from expand_send_clauses.
15902 If CTX is nested, lookup VAR in the outer context when
15903 building copy assignments.
15904 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15905 If CTX is nested, lookup VAR in the outer context when
15906 building copy assignments.
15907 (expand_parallel_call): Rename from build_parallel_call.
15908 Handle combined parallel+workshare cases.
15909 Re-implement to emit code into the CFG.
15911 (expand_omp_parallel): Re-implement to emit code into the CFG.
15912 Call move_sese_region_to_fn to outline the sub-graph
15913 containing the parallel region.
15914 (expand_omp_for_1): Remove.
15915 (expand_omp_for_generic): Re-implement to emit code into the
15917 (expand_omp_for_static_nochunk): Likewise.
15918 (expand_omp_for_static_chunk): Likewise.
15919 (expand_omp_for): Likewise.
15920 (expand_omp_sections): Likewise.
15921 (remove_exit_barriers): New.
15922 (expand_omp_synch): New.
15924 (build_omp_regions_1): New.
15925 (build_omp_regions): New.
15926 (execute_expand_omp): New.
15927 (gate_expand_omp): New.
15928 (pass_expand_omp): Define.
15929 (lower_omp_sections): Rename from expand_omp_sections.
15930 Set OMP_SECTIONS_SECTIONS.
15931 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15932 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15933 (lower_omp_single): Rename from expand_omp_simple.
15934 (lower_omp_master): Rename from expand_omp_master.
15935 (lower_omp_ordered): Rename from expand_omp_ordered.
15936 (lower_omp_critical): Rename from expand_omp_critical.
15937 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15938 (lower_omp_for): Re-implement.
15939 (lower_omp_parallel): Re-implement.
15940 (lower_regimplify): Rename from expand_regimplify.
15941 (lower_omp_1): Rename from expand_omp_1.
15942 If there are syntax errors in the program, replace every
15943 OpenMP directive with NOP.
15944 Call lower_omp_* instead of expand_omp_*.
15945 (lower_omp): Rename from expand_omp.
15947 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15948 * tree-gimple.h (enum omp_parallel_type): Remove.
15949 (gimple_boolify): Declare extern.
15950 (find_omp_clause, determine_parallel_type): Remove.
15952 * gimple-low.c (lower_omp_directive): New.
15953 (lower_stmt): Call it.
15954 (record_vars_into): Move from ...
15955 (record_vars): ... here.
15956 Call record_vars_into with current_function_decl.
15958 * gimplify.c (struct gimplify_ctx): Remove fields
15959 combined_pre_p and combined_ctxp. Update users.
15960 (get_formal_tmp_var): Add documentation.
15961 (gimple_boolify): Make extern.
15962 (gimplify_expr_in_ctx): Remove. Update callers.
15963 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15964 will always be a BIND_EXPR.
15965 (gimplify_expr): Handle OMP_RETURN_EXPR.
15966 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15967 (OMP_PARALLEL): Add 3 operands.
15968 (OMP_SECTIONS): Add 1 operand.
15969 (OMP_RETURN_EXPR): Define.
15971 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15972 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15973 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15974 creating a circular free list.
15975 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15977 * tree-flow.h (move_sese_region_to_fn): Declare.
15978 (record_vars_into): Declare.
15979 * tree-cfg.c (make_omp_sections_edges): New.
15980 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15981 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15982 OMP_SECTIONS and OMP_SECTION.
15983 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15984 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15985 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15986 (gather_blocks_in_sese_region): New.
15987 (struct move_stmt_d): Declare.
15988 (move_stmt_r): New.
15989 (move_block_to_fn): New.
15990 (move_sese_region_to_fn): New.
15992 * passes.c (init_optimization_passes): Schedule
15993 pass_expand_omp after pass_init_datastructures.
15995 * tree-ssa-operands.c (get_expr_operands): Handle
15996 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15997 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15999 2006-01-19 Jeff Law <law@redhat.com>
16001 * tree-vrp.c (extract_range_from_assert): Refine the result range
16002 if the variable referenced by the ASSERT_EXPR has a range and
16003 either the tentative result range or the previous range is a
16006 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16008 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16010 2006-01-19 Jan Hubicka <jh@suse.cz>
16012 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16014 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16016 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16017 (expand_compound_operation, expand_field_assignment): Fail if the
16018 bit lengths of an extract operation are out of range.
16019 (make_extraction): Compute wanted_inner_mode based on the position
16020 and length of the extraction. Make it extraction_mode for non-constant
16021 positions, and do not modify offset in that case. When generating a
16022 new MEM, use a mode that can hold the extraction while keeping correct
16023 alignment. Remove code that supported MEMs wrapped by USEs.
16024 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16026 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16028 * config/s390/s390.md ("Y", "y"): New mode attribute.
16029 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16030 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16031 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16032 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16033 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16034 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16035 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16036 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16037 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16038 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16039 "addsi3", "subsi3"): Insn patterns removed.
16040 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16041 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16042 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16043 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16044 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16045 "*sub<mode>3_cconly2"): New insn patterns.
16046 ("addsi3", "subsi3"): New expanders.
16048 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16050 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16051 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16052 existing STMT_VINFO_VECTYPE if available.
16053 (vect_mark_relevant): Add special handling for stmts that are
16054 marked as STMT_VINFO_IN_PATTERN_P.
16055 (vect_analyze_loop): Call vect_pattern_recog.
16056 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16057 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16059 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16060 (vect_recog_func_ptr): New function-pointer type.
16061 * tree-vect-patterns.c: New file.
16062 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16063 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16064 (vect_pattern_recog_1): New functions.
16065 (vect_pattern_recog_funcs): New array of function pointers.
16067 * tree-vectorizer.h (ternary_op): New enum value.
16068 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16069 declaration. Revised documentation. Removed redundant dump prints.
16070 Removed redundant argument. Added support for reduction patterns.
16071 (vectorizable_reduction): Added support for reduction patterns.
16072 (vect_transform_stmt): Added support for patterns.
16074 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16075 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16076 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16077 (expand_widen_pattern_expr): New function.
16078 (init_optabs): Initialize new optabs udot_prod_optab,
16080 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16081 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16082 (expand_widen_pattern_expr): New function declaration.
16083 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16085 * tree-inline.c (estimate_num_insns_1): Added cases for new
16086 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16087 * tree-pretty-print.c (dump_generic_node): Likewise.
16088 (op_prio): Likewise.
16089 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16090 * tree-ssa-operands.c (get_expr_operands): Added case for
16092 * tree-vect-patterns.c (widened_name_p): New function.
16093 (vect_recog_dot_prod_pattern): Added function implementation.
16094 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16095 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16096 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16097 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16099 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16100 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16101 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16102 (init_optabs): Initialize new optabs widen_ssum_optab,
16104 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16105 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16106 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16107 use instead of type of def.
16108 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16109 function implementation.
16110 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16111 widen_ssumv8hi): New.
16113 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16116 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16119 * c-decl.c (add_flexible_array_elts_to_size): New function.
16120 (finish_decl): Use it.
16122 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16124 * diagnostic.h: Include options.h.
16125 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16126 dependancies for diagnostic.h.
16127 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16129 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16131 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16132 (ssa_ro_call_cache_valid): Ditto.
16133 * tree-ssa-alias.c (sort_tags_by_id): New function.
16134 (init_transitive_clobber_worklist): Ditto.
16135 (add_to_worklist): Ditto.
16136 (mark_aliases_call_clobbered): Ditto.
16137 (compute_tag_properties): Ditto.
16138 (set_initial_properties): Ditto.
16139 (compute_call_clobbered): Ditto.
16140 (compute_may_aliases): Call compute_call_clobbered and grouping.
16141 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16142 (compute_flow_insensitive_aliasing): Grouping now happens in our
16144 (setup_pointers_and_addressables): Remove clobbering related code.
16145 (add_may_alias): Ditto.
16146 (replace_may_alias): Ditto.
16147 (get_nmt_for): Ditto.
16148 (create_global_var):
16149 (is_escape_site): Return an escape_type enumeration.
16150 * tree-flow-inline.h (is_call_clobbered): Global var does not
16151 imply call clobbered.
16152 (mark_call_clobbered): Take a reason for marking this. Remove
16153 marking of globalness, and cache invalidation.
16154 (clear_call_clobbered): Remove cache invalidation code.
16155 * tree-dfa.c (dump_variable): If details is on, dump the reason
16157 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16159 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16160 (struct var_ann_d): Ditto.
16161 (enum escape_type): New.
16162 (mark_call_clobbered): Adjust prototype.
16163 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16164 are never call clobbered.
16165 Record reasons for escaping.
16166 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16167 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16168 (ssa_ro_call_cache_valid): Ditto.
16169 (clobbered_v_may_defs): Ditto.
16170 (clobbered_vuses): Ditto.
16171 (ro_call_vuses): Ditto.
16172 (clobber_stats): New.
16173 (init_ssa_operands): Zero out clobber stats.
16174 (fini_ssa_operands): Print out clobber stats.
16175 (get_call_expr_operands): Pass callee fndecl to
16176 add_call_read_ops).
16177 (add_call_clobber_ops): Remove use of cache.
16178 Add use of PURE_CONST information.
16179 (add_call_read_ops): Remove use of cache.
16180 Add use of static not_read information.
16182 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16184 Introduce TLS descriptors for i386 and x86_64.
16185 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16186 (TARGET_ANY_GNU_TLS): New macro.
16187 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16188 (struct machine_function): Add tls_descriptor_call_expanded_p.
16189 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16190 (ix86_current_function_calls_tls_descriptor): Likewise.
16191 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16192 (override_options): Introduce gnu2 tls dialect.
16193 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16195 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16197 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16198 (ix86_init_machine_status): Initialize new field.
16199 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16200 (ix86_tls_module_base): New.
16201 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16202 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16203 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16204 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16205 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16206 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16207 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16208 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16209 * config/i386/predicates.md (tls_modbase_operand): New.
16210 (tp_or_register_operand): New.
16212 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16214 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16215 (look_for_address_of): Ditto.
16216 (ipa_init): Walk the function decls.
16217 (static_execute): Don't set readonly on FUNCTION_DECL's.
16219 2006-01-18 Roger Sayle <roger@eyesopen.com>
16221 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16222 for shifts where the source and destination registers are different.
16224 2006-01-18 Paul Brook <paul@codesourcery.com>
16226 Merge from csl-arm-branch.
16227 2005-03-14 Julian Brown <julian@codesourcery.com>
16228 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16229 (aeabi_llsl): Likewise.
16230 (ashrdi3): Likewise.
16231 (aeabi_lasr): Likewise.
16232 (lshrdi3): Likewise.
16233 (aeabi_llsr): Likewise.
16234 2005-03-10 Julian Brown <julian@codesourcery.com>
16235 * config.gcc: Disable shared libgcc for SymbianOS.
16236 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16238 2006-01-18 DJ Delorie <dj@redhat.com>
16240 * c-pragma.c (handle_pragma_diagnostic): New.
16241 (init_pragma): Register it.
16242 * doc/extend.texi: Document it.
16244 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16245 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16246 (diagnostic_context): Add classify_diagnostic[].
16247 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16248 as errors if they're overridden to DK_WARNING.
16249 (diagnostic_initialize): Initialize classify_diagnostic[].
16250 (diagnostic_set_kind_override): New.
16251 (diagnostic_report_diagnostic): Check for kind changes.
16252 * opts.c (common_handle_option): Take lang_mask. Update callers.
16253 Handle OPT_Werror_.
16254 * common.opt (Werror=): New.
16255 * doc/invoke.texi: Document -Werror=*
16257 2006-01-18 Jeff Law <law@redhat.com>
16259 * tree-vrp.c (test_for_singularity): Correct test for new
16260 min limit. Use operand_equal_p rather than pointer equality
16261 for testing if new min/max values are equal.
16263 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16264 using range information until after propagation and folding.
16266 2006-01-18 Richard Henderson <rth@redhat.com>
16267 Aldy Hernandez <aldyh@redhat.com>
16268 Jakub Jelinek <jakub@redhat.com>
16269 Diego Novillo <dnovillo@redhat.com>
16271 * omp-low.c: New file.
16272 * c-omp.c: New file.
16274 2006-01-18 Richard Henderson <rth@redhat.com>
16275 Jakub Jelinek <jakub@redhat.com>
16276 Diego Novillo <dnovillo@redhat.com>
16278 * doc/invoke.texi: Document -fopenmp.
16279 * tree-dump.h (debug_function): Declare.
16280 * hooks.c (hook_bool_tree_bool_false): New function.
16281 (hook_tree_tree_null): Remove.
16282 (hook_tree_tree_tree_null): New.
16283 * hooks.h: Update to match.
16284 * tree-pretty-print.c (debug_tree_chain): New.
16285 (print_generic_expr): Handle TDF_CHAIN.
16286 (dump_generic_node): Handle BLOCK.
16287 Do not abort with incomplete SWITCH_EXPRs.
16288 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16289 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16290 print space after directive name.
16291 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16292 Handle OMP_MASTER and OMP_ORDERED.
16293 Handle printing of OMP_BODY just in one place, goto
16294 dump_omp_body in the rest of OMP_* nodes that have
16296 Don't handle clause nodes here. Update omp statements to
16297 use dump_omp_clauses.
16298 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16299 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16300 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16301 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16302 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16303 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16304 Adjust output for GOMP_PARALLEL.
16305 (dump_omp_clauses): New.
16306 (print_declaration): Dump DECL_VALUE_EXPR.
16307 (op_symbol_1): Split out of op_symbol.
16308 (dumping_stmts): Remove. Update all users.
16309 * cgraph.c (cgraph_analyze_queue): New.
16310 (cgraph_add_new_function): New.
16311 * cgraph.h (cgraph_analyze_queue): Declare.
16312 (cgraph_add_new_function): Declare.
16313 (cgraph_lower_function): Remove.
16314 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16315 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16316 and TYPE_P nodes in its default clause.
16317 (empty_body_p): New.
16318 (tree_range_check_failed): New.
16319 (build5_stat): New.
16320 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16321 OMP_CLAUSE_REDUCTION_MERGE,
16322 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16323 OMP_CLAUSE_PRIVATE_DEBUG,
16324 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16325 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16326 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16327 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16328 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16329 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16330 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16331 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16332 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16333 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16334 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16335 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16336 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16337 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16338 (TREE_RANGE_CHECK): New.
16339 (empty_body_p): Declare.
16340 (enum omp_clause_default_kind): New.
16341 (build_string_literal): Declare.
16342 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16343 (build5_stat, build5): Declare.
16344 * tree-pass.h (TDF_CHAIN): Define.
16345 * tree-pass.h (PROP_gimple_lomp): Define.
16346 (pass_lower_omp): Declare.
16347 * diagnostic.h (debug_tree_chain): Declare.
16348 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16350 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16351 * builtins.c (build_string_literal): Make extern.
16352 * gcc.c (include_spec_function): New.
16353 (static_spec_functions): Add it.
16354 (main): Move load of libgomp.spec ...
16355 (LINK_COMMAND_SPEC): ... here.
16356 (link_gomp_spec): New.
16357 (static_specs): Include it.
16358 (LINK_COMMAND_SPEC): Add link_gomp.
16359 (GOMP_SELF_SPECS): New.
16360 (driver_self_specs): Include it.
16361 (switch_matches): Don't mark inline.
16362 (main): Load libgomp.spec.
16363 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16364 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16365 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16366 * tree-gimple.h (enum omp_parallel): Declare.
16367 (determine_parallel_type): Declare.
16368 (omp_firstprivatize_variable): Declare.
16369 (omp_reduction_init): Declare.
16370 (diagnose_omp_structured_block_errors): Declare.
16371 (struct walk_stmt_info): Add want_return_expr.
16372 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16373 (find_omp_clause): Declare.
16374 (insert_field_into_struct): Declare.
16375 (struct walk_stmt_info): Move from tree-nested.c
16376 (walk_stmts): Declare.
16377 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16379 * cgraphunit.c (cgraph_lower_function): Make static.
16380 (cgraph_finalize_pending_functions): New.
16381 (cgraph_finalize_function): Call it.
16382 (cgraph_finalize_compilation_unit): Likewise.
16383 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16384 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16385 (BT_FN_UINT_UINT): New.
16386 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16387 DEF_FUNCTION_TYPE_VAR_4): Document.
16388 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16389 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16390 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16391 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16392 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16393 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16394 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16395 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16396 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16397 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16398 into separate files.
16399 (DEF_GOMP_BUILTIN): New.
16400 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16401 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16402 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16403 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16404 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16405 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16406 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16407 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16408 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16409 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16410 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16411 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16412 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16413 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16414 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16415 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16416 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16417 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16418 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16419 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16420 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16421 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16422 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16423 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16424 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16425 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16426 * sync-builtins.def: New file, moved from builtins.def.
16427 * omp-builtins.def: New file, moved from builtins.def.
16428 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16429 * gimple-low.c (lower_function_body): Clear data.
16430 (lower_stmt): Do not handle COMPOUND_EXPR.
16431 Remove call to print_node_brief.
16432 * c-tree.h (c_finish_omp_clauses): New prototype.
16433 (C_DECL_THREADPRIVATE_P): Define.
16434 (lookup_name_no_remap, c_omp_remap_private): Remove
16435 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16436 (check_for_loop_decls): Update decl.
16437 (lookup_name_no_remap, c_omp_remap_private): Declare.
16438 (build_indirect_ref, build_modify_expr, pushdecl,
16439 pushdecl_top_level): Move to c-common.h.
16440 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16441 before the switch, but just in the 2 places that need it.
16442 * c-decl.c (diagnose_mismatched_decls): Do not check for
16443 mismatched thread-local attributes when OLDDECL is marked
16444 threadprivate and NEWDECL has no thread-local attributes.
16445 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16446 (c_gimple_diagnostics_recursively): Rename from
16447 c_warn_unused_result_recursively. Invoke
16448 diagnose_omp_structured_block_errors.
16449 (check_for_loop_decls): Return a singular decl found.
16450 * langhooks.c (lhd_omp_predetermined_sharing): Return
16451 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16452 (lhd_omp_firstprivatize_type_sizes): New.
16453 (lhd_omp_assignment): New.
16454 (lhd_omp_predetermined_sharing): New.
16455 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16456 (struct lang_hooks_for_types): Add
16457 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16458 omp_predetermined_sharing, omp_disregard_value_expr,
16459 omp_private_debug_clause, omp_clause_default_ctor,
16460 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16461 (c_finish_omp_clauses): New.
16462 (c_finish_bc_stmt): Diagnose break within omp for.
16463 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16464 (build_unary_op): Return error_mark after reporting
16466 (build_modify_expr): Likewise.
16467 * gimplify.c: Include optabs.h and pointer-set.h.
16468 (enum gimplify_omp_var_data): Declare.
16469 (struct gimplify_omp_ctx): Declare.
16470 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16472 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16473 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16474 (splay_tree_compare_decl_uid): New.
16475 (new_omp_context): New.
16476 (delete_omp_context): New.
16477 (gimple_add_tmp_var): Call omp_add_variable.
16478 (gimplify_bind_expr): Likewise.
16479 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16480 true, disregard DECL_VALUE_EXPR on the decl if any.
16481 (gimplify_expr_in_ctx): New.
16482 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16483 omp_add_variable, omp_notice_variable, omp_is_private
16484 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16485 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16486 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16487 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16488 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16489 gimplify_omp_atomic): New.
16490 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16491 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16492 OMP_CRITICAL and OMP_ATOMIC.
16493 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16494 * c-pragma.h (enum pragma_kind): Add
16495 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16496 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16497 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16498 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16499 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16500 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16501 PRAGMA_OMP_THREADPRIVATE.
16502 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16503 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16504 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16505 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16506 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16507 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16508 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16509 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16510 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16511 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16512 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16513 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16514 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16516 (struct nesting_info): Add field_map,
16517 suppress_expansion, debug_var_chain.
16518 (create_nesting_tree): Initialize them.
16519 (lookup_field_for_decl): Use field_map.
16520 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16521 (convert_local_omp_clauses): New.
16522 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16523 (walk_body): Split out of walk_function.
16524 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16525 (convert_nonlocal_reference): Handle omp statements.
16526 (convert_local_reference): Likewise.
16527 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16528 (unnest_nesting_tree): New.
16529 (lower_nested_functions): Call it.
16530 (insert_field_into_struct): Make extern.
16531 (struct walk_stmt_info): Move to tree-gimple.h.
16532 (walk_stmts): Make extern.
16533 * omp-builtins.def: New file.
16534 * tree-iterator.c (expr_only): Clarify comment.
16535 * c-common.h (pushdecl_top_level, pushdecl,
16536 build_modify_expr, build_indirect_ref,
16537 c_finish_omp_master, c_finish_omp_critical,
16538 c_finish_omp_ordered, c_finish_omp_barrier,
16539 c_finish_omp_atomic, c_finish_omp_flush,
16540 c_finish_omp_for, c_split_parallel_clauses,
16541 omp_clause_default_kind, c_omp_sharing_predetermined,
16542 c_omp_remap_decl): Declare.
16543 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16544 (OBJS-common): Add omp-low.o.
16545 (c-omp.o, omp-low.o): Add.
16546 (gimplify.o): Add dependency on $(OPTABS_H).
16547 (GTFILES): Add omp-low.c.
16548 (gt-stringpool.h): Add.
16549 * tree-cfg.c (set_bb_for_stmt): Do not update the
16550 block-to-labels map if we are currently expanding to RTL.
16551 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16553 Handle IDENTIFIER_NODE.
16554 (tree_verify_flow_info): Do not ICE when emitting error
16555 messages about invalid labels.
16556 (dump_function_to_file): Reset CFUN before emitting the body
16558 (debug_function): New.
16559 * passes.c (init_optimization_passes): Schedule
16561 * langhooks-def.h (lhd_omp_predetermined_sharing,
16562 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16564 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16565 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16566 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16567 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16568 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16569 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16570 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16571 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16572 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16573 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16574 (LANG_HOOK_DECLS): Use them.
16576 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16577 Richard Henderson <rth@redhat.com>
16578 Jakub Jelinek <jakub@redhat.com>
16579 Diego Novillo <dnovillo@redhat.com>
16581 * c-parser.c (pragma_omp_clause): Define.
16582 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16583 (c_parser_compound_statement): Likewise.
16584 (c_parser_statement): Likewise.
16585 (c_parser_pragma): Handle omp pragmas.
16586 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16587 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16588 (c_parser_omp_clause_name, check_no_duplicate_clause,
16589 c_parser_omp_variable_list,
16590 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16591 c_parser_omp_clause_copyprivate,
16592 c_parser_omp_clause_default,
16593 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16594 c_parser_omp_clause_lastprivate,
16595 c_parser_omp_clause_nowait,
16596 c_parser_omp_clause_num_threads,
16597 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16598 c_parser_omp_clause_reduction,
16599 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16600 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16601 c_parser_omp_atomic, c_parser_omp_barrier,
16602 c_parser_omp_critical, c_parser_omp_flush,
16603 c_parser_omp_for_loop, c_parser_omp_for,
16604 c_parser_omp_master, c_parser_omp_ordered,
16605 c_parser_omp_sections_scope, c_parser_omp_sections,
16606 c_parser_omp_parallel, c_parser_omp_single,
16607 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16608 * c-pragma.c (init_pragma): Do omp pragma registration here.
16609 * c.opt (fopenmp): New flag.
16611 2006-01-18 Eric Christopher <echristo@apple.com>
16613 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16614 * config/darwin.h (GOMP_SELF_SPECS): Define.
16616 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16618 * rtl.h: Remove the prototype for reg_alloc.
16620 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16623 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16624 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16625 sjlj and dwarf2 exception handling.
16626 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16627 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16628 * pa/pa.c (function_value): Treat complex and vector types as
16630 (function_arg): Likewise. Only pass scalar floats in the floating
16631 point argument registers.
16632 * pa/t-slibgcc-dwarf-ver: New file.
16633 * pa/t-slibgcc-sjlj-ver: New file.
16634 * pa/t-slibgcc-elf-ver: Delete file.
16636 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16638 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16639 unlikely_test_section_p test.
16641 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16643 * mode-switching.c (optimize_mode_switching): Make it static.
16644 * basic-block.h: Remove the prototype for
16645 optimize_mode_switching.
16647 * modulo-sched.c (sms_schedule): Make it static.
16648 * rtl.h: Remove the prototype for sms_schedule.
16650 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16651 * rtl.h: Remove the prototype for gcse_after_reload_main.
16653 * reg-stack.c (reg_to_stack): Make it static.
16654 * rtl.h: Remove the prototype for reg_to_stack.
16656 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16658 * rtl.h: Remove the prototypes for regrename_optimize and
16659 copyprop_hardreg_forward.
16661 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16663 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16664 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16665 Test against the appropriate null constant for the mode.
16666 If 'fixup_overlap' is true, swap the operands if they overlap.
16667 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16668 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16669 alpha_split_tmode_pair and adjust for above change.
16670 * config/alpha/alpha.md (movtf_internal): Adjust call to
16671 alpha_split_tfmode_pair and rely on it to swap the operands.
16672 (movti_internal): New insn and post-reload splitter.
16673 (movti): New expander.
16675 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16677 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16680 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16682 * rtlanal.c (global_reg_mentioned_p_1,
16683 global_reg_mentioned_p): Remove.
16684 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16686 * flow.c (initialize_uninitialized_subregs): Make it static.
16687 * rtl.h: Remove the prototype for
16688 initialize_uninitialized_subregs.
16690 * function.c (instantiate_virtual_regs): Make it static.
16691 * function.h: Remove the prototype for
16692 instantiate_virtual_regs.
16694 * regmove.c (regmove_optimize, combine_stack_adjustments):
16696 * rtl.h: Remove the prototypes for regmove_optimize and
16697 combine_stack_adjustments.
16699 2006-01-17 Roger Sayle <roger@eyesopen.com>
16701 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16702 (size_cost): Encode costs in bytes so that a reg-reg addition is
16703 equivalent to COSTS_N_INSNS(1).
16704 (override_options): Use the size_cost.branch_cost as the default
16705 ix86_branch_cost when optimizing for size.
16707 2006-01-18 Ben Elliston <bje@au.ibm.com>
16709 * Makefile.in (D32PBIT_FUNCS): New.
16710 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16711 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16712 D64PBIT_FUNCS and D128PBIT_FUNCS.
16713 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16714 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16716 (decnumber_dep): Define.
16717 * doc/libgcc.texi (Decimal float library routines): New node.
16718 * config/dfp-bit.h, config/dfp-bit.c: New files.
16720 2006-01-18 Ben Elliston <bje@au.ibm.com>
16722 * expr.c (emit_move_change_mode): Always adjust addresses, not
16723 just during reload. Copy replacements only during reload.
16724 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16725 emit_move_via_integer.
16727 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16729 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16730 instead of $(srcdir) and ${srcdir}.
16732 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16735 PR middle-end/11135
16736 * arm.h (struct machine_function): Add pic_reg.
16737 * arm.c (arm_pic_register): Make unsigned.
16738 (arm_override_options): Only set arm_pic_register if
16739 TARGET_SINGLE_PIC_BASE.
16740 (use_return_insn): Only test for a pic register if it is fixed.
16741 (arm_compute_save_reg0_reg12_mask): Likewise.
16742 (thumb_compute_save_reg_mask): Likewise.
16743 (legitimate_pic_operand): Factor out some known invariants.
16744 (legitimize_pic_address): If we don't have a fixed pic register,
16745 then set up a pseudo in the function entry sequence. Handle the
16746 pic base being in a pseudo.
16747 (arm_load_pic_register): Handle the pic register being in a pseudo.
16748 (arm_expand_prologue): Only set up the pic register if it is fixed.
16749 (thumb_expand_prologue): Likewise.
16750 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16751 (pic_load_addr_based_insn): Likewise.
16752 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16755 2006-01-18 Ben Elliston <bje@au.ibm.com>
16757 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16758 decimal float modes for all floating point registers.
16760 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16761 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16763 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16766 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16767 even when the pointer is not NULL.
16769 2006-01-16 Ian Lance Taylor <ian@airs.com>
16771 * common.opt (ftoplevel-reorder): New option.
16772 * cgraph.c (cgraph_asm_nodes): New global variable.
16773 (cgraph_asm_last_node): New static variable.
16774 (cgraph_order): New global variable.
16775 (cgraph_create_node): Set new order field.
16776 (cgraph_varpool_node): Likewise.
16777 (decide_is_variable_needed): Return true if not
16778 flag_toplevel_reorder.
16779 (cgraph_add_asm_node): New function.
16780 * cgraph.h (struct cgraph_node): Add order field.
16781 (struct cgraph_varpool_node): Add order field.
16782 (struct cgraph_asm_node): Define.
16783 (cgraph_asm_nodes, cgraph_order): Declare.
16784 (cgraph_add_asm_node): Declare.
16785 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16787 (cgraph_varpool_assemble_pending_decls): Call it.
16788 (cgraph_output_pending_asms): New static function.
16789 (cgraph_finalize_compilation_unit): Call it.
16790 (struct cgraph_order_sort): Define.
16791 (cgraph_output_in_order): New static function.
16792 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16793 !flag_toplevel_reorder case.
16794 * c-parser.c: Include "cgraph.h".
16795 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16797 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16798 than -fno-unit-at-a-time.
16799 * doc/invoke.texi (Option Summary): Mention
16800 -fno-toplevel-reorder.
16801 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16802 -funit-at-a-time documentation.
16804 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16805 Kazu Hirata <kazu@codesourcery.com>
16807 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16809 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16811 * Makefile.in (FUNCTION_H): New. Use it instead of
16812 function.h throughout the file.
16813 * function.h: Include tree.h.
16815 2006-01-17 Ben Elliston <bje@au.ibm.com>
16817 * recog.c: Separate some functions with whitespace.
16819 2006-01-16 Richard Henderson <rth@redhat.com>
16821 Merge from gomp branch:
16822 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16823 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16824 and rename from struct inline_data. Rename callee* to dst*;
16825 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16826 transform_new_cfg, transform_return_to_modify, and
16827 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16829 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16830 (copy_decl_for_dup): Remove.
16831 * tree-inline.c (struct inline_data): Move to header.
16832 (insert_decl_map): Export.
16833 (remap_decl): Update for member name changes. Use copy_decl hook.
16834 Allow for replacement to be a non-decl. Remove dead code.
16835 (remap_type_1): Check for existing mapping.
16836 (remap_type): Export.
16837 (remap_decls): Update for member name changes.
16838 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16839 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16840 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16841 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16842 (tree_function_versioning, build_duplicate_type): Likewise.
16843 (copy_body_r): Likewise. Export.
16844 (copy_decl_for_dup): Split into ...
16845 (copy_decl_for_dup_finish, copy_decl_to_var,
16846 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16847 (replace_ref_tree, inlining_p): Remove.
16849 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16851 * ifcvt.c (if_convert): Make it static.
16852 * rtl.h: Remove the prototype for if_convert.
16854 * local-alloc.c (local_alloc): Make it static.
16855 * rtl.h: Remove the prototype for local_alloc.
16857 * loop.c (loop_optimize): Make it static.
16858 * cfgloop.h: Remove the prototype for loop_optimize.
16861 2006-01-16 DJ Delorie <dj@redhat.com>
16863 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16866 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16868 * pa.md: Disparage copies between general and floating-point registers
16869 in 32-bit move patterns.
16871 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16874 * Makefile.in (check-%): Depend on site.exp instead of
16875 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16878 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16880 * global.c (global_alloc): Make it static.
16881 * rtl.h: Remove the prototype for global_alloc.
16883 2006-01-16 Richard Guenther <rguenther@suse.de>
16885 * tree-ssa-alias.c (struct used_part): Add write_only field.
16886 (get_or_create_used_part_for): Initialize it to true.
16887 (create_overlap_variables_for): Don't create structure variables
16888 for structures that only are written to.
16889 (find_used_portions): Handle MODIFY_EXPR to track whether a
16890 structure is only written to.
16892 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16894 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16896 * basic-block.h: Remove the prototype for
16897 partition_hot_cold_basic_blocks.
16899 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16901 * cppspec.c (lang_specific_spec_functions): Remove.
16902 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16903 * gcc.h (lang_specific_spec_functions): Remove.
16904 * gccspec.c (lang_specific_spec_functions): Remove.
16906 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16908 * combine.c (record_value_for_reg): Invalidate registers
16910 (record_dead_and_set_regs_1): Likewise, by passing them to
16911 record_value_for_reg.
16912 (record_dead_and_set_regs): Invalidate stores made by a
16913 call. We do not combine across a call, but we still
16914 relied on equivalences.
16916 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16918 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16919 vrp_int_const_binop returning non-constant nodes.
16921 2006-01-16 Paul Brook <paul@codesourcery.com>
16923 * config/m68k/m68k.c (output_move_const_into_data_reg):
16924 Output correct mnemonic for mvz and mvs.
16926 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16928 * rtl-factoring.c: Add sequence abstraction algorithm.
16929 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16930 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16932 (block_has_preserve_label): New function.
16933 * common.opt: Register new pass.
16934 * Makefile.in: Ditto.
16936 * timevar.def: Ditto.
16937 * tree-pass.h: Ditto.
16938 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16939 * rtl.h (make_jump_insn_raw): Add forward decl.
16940 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16942 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16943 Roger Sayle <roger@eyesopen.com>
16945 * fold-const.c (fold_minmax): New static function.
16946 (fold_binary) <MIN_EXPR>: Call it.
16947 <MAX_EXPR>: Likewise.
16948 * stor-layout.c (place_field): Use DECL_SIZE consistently
16949 in the computation of the new record size.
16951 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16953 * cse.c (cse_condition_code_reg): Make it static.
16954 * rtl.h: Remove the prototype for cse_condition_code_reg.
16956 * combine.c (combine_instructions): Make it static.
16957 * rtl.h: Remove the prototype for combine_instructions.
16959 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16962 * tree.c (get_file_function_name_long): Concatenate the first global
16963 object name with a string derived from the input filename of the object
16966 2006-01-16 Ben Elliston <bje@au.ibm.com>
16968 * config/i386/winnt-stubs.c: Update FSF address.
16969 * config/xtensa/ieee754-df.S: Ditto.
16970 * config/xtensa/ieee754-sf.S: Ditto.
16972 2006-01-14 Ian Lance Taylor <ian@airs.com>
16974 * ifcvt.c (noce_init_if_info): New static function, broken out of
16975 noce_process_if_block.
16976 (noce_process_if_block): Call noce_init_if_info.
16977 (check_cond_move_block): New static function.
16978 (cond_move_process_if_block): New static function.
16979 (process_if_block): Call cond_move_process_if_block.
16981 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16983 * cselib.c (hash_table): Rename to cselib_hash_table.
16984 (cselib_clear_table, discard_useless_values,
16985 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16986 cselib_init, cselib_finish): Adjust uses of hash_table.
16988 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16990 PR tree-optimization/25485
16991 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16992 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16993 is known to be false and true, respectively.
16995 2006-01-14 Richard Guenther <rguenther@suse.de>
16997 PR tree-optimization/22548
16998 PR tree-optimization/22555
16999 PR tree-optimization/22501
17000 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17001 * params.def (salias-max-array-elements): New parameter.
17002 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17003 * doc/invoke.texi (salias-max-array-elements): Document.
17004 * tree-flow-inline.h (var_can_have_subvars): We also handle
17006 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17008 * tree-ssa-structalias.c (params.h): Include.
17009 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17010 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17011 (get_constraint_for): For ADDR_EXPR operating on something
17012 containing an ARRAY_REF, add all subvars to the solution.
17013 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17014 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17015 for creating MUST_DEFs.
17016 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17018 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17020 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17022 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17023 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17024 number_of_iterations_le): New functions.
17025 (number_of_iterations_special): Removed.
17026 (number_of_iterations_exit): Do not use number_of_iterations_special.
17027 * tree.c (unsigned_type_for): Always return integer type.
17029 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17030 Richard Guenther <rguenther@suse.de>
17032 PR rtl-optimization/24257
17033 * gcse.c (find_moveable_store): Only consider a store movable
17034 when the SET_SRC of the insn can be assigned to a register.
17036 2006-01-14 Ian Lance Taylor <ian@airs.com>
17038 * tree.c (tree_not_class_check_failed): New function.
17039 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17040 (tree_not_class_check_failed): Declare.
17042 2006-01-13 Ian Lance Taylor <ian@airs.com>
17044 * reload1.c (do_output_reload): Add assertion rejecting a
17047 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17049 * combine.c (struct reg_stat): Add new fields truncation_label and
17051 (record_value_for_reg): Reset truncated_to_mode.
17052 (record_truncated_value): New function.
17053 (check_promoted_subreg): Call it. Rename to check_conversions.
17054 (combine_instructions): Rename check_promoted_subreg to
17056 (reg_truncated_to_mode): New function.
17057 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17058 (gen_lowpart_or_truncate): New function.
17059 (force_to_mode): Use it instead of gen_lowpart.
17061 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17063 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17064 VAR is a tag, not its type tag.
17066 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17068 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17069 alternatives to match style of other entries.
17070 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17072 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17074 PR tree-optimization/25771
17075 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17078 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17081 * tree-inline.c (declare_return_variable): If the return variable
17082 was marked as a non gimple complex, set the return slot variable
17083 to be a non gimple comple variable.
17085 2006-01-13 Richard Guenther <rguenther@suse.de>
17087 * builtins.c (expand_builtin_sincos): New function.
17088 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17090 (expand_builtin): Expand sincos using expand_builtin_sincos.
17092 2006-01-12 DJ Delorie <dj@redhat.com>
17094 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17095 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17096 so that constant shifts can be split.
17097 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17098 (m32c_valid_pointer_mode): Make static.
17099 (shift_gen_func_for): New.
17100 (m32c_prepare_shift): Use it. Split large const shifts into
17102 * config/m32c/predicates.md (shiftcount_operand): Allow more
17104 (longshiftcount_operand): New.
17105 * doc/md.texi (Machine Constraints): Document In6.
17107 2006-01-13 Ben Elliston <bje@au.ibm.com>
17109 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17110 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17113 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17115 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17116 to try to avoid clobbering pieces of structures when we know
17117 something about the whole structure.
17118 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17120 2006-01-13 Ben Elliston <bje@au.ibm.com>
17122 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17123 return in memory, as this is no limitation is no longer present.
17125 2006-01-12 DJ Delorie <dj@redhat.com>
17127 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17128 mova with fb, and for fb+0 -> An.
17130 * config/m32c/mov.md (peephole2): Fix enabling logic.
17132 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17133 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17134 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17135 FINI_ARRAY_SECTION_ASM_OP): Define.
17137 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17139 (m32c_legitimize_reload_address): New logic to reload FB to An.
17140 (m32c_output_reg_push): Add newline.
17141 (m32c_output_reg_pop): Likewise.
17143 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17145 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17147 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17149 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17151 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17153 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17156 2006-01-11 Ben Elliston <bje@au.ibm.com>
17158 * rtlanal.c (find_reg_note): Assert insn is not null.
17160 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17162 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17165 2006-01-11 Jeff Law <law@redhat.com>
17167 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17169 (mark_threaded_blocks, register_jump_thread): New functions.
17170 (thread_through_all_blocks): Remove unwanted argument. No
17171 longer rely on e->aux to communicate thread target info.
17172 Call mark_threaded_blocks. Release the threaded_blocks
17173 bitmap and threaded_edges vector when complete.
17174 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17175 (threaded_blocks): Remove.
17176 (tree_ssa_dominator_optimize): Remove initialization and
17177 finalization of threaded_blocks. Simplify call to
17178 thread_through_all_blocks.
17179 (thread_across_edge): Call register_jump_thread rather than
17180 storing thread information into e->aux.
17181 (free_all_edge_infos): Simplify now that e->aux is no longer
17182 used to communicate with thread_through_all_blocks.
17183 * tree-flow.h (thread_through_all_blocks): Update prototype.
17184 (register_jump_thread): Prototype.
17186 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17188 * df-core.c (df_compact_blocks, df_bb_replace): Use
17189 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17191 2006-01-11 Richard Guenther <rguenther@suse.de>
17193 PR tree-optimization/25734
17194 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17195 stop propagation after successful propagation to the LHS.
17197 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17199 * basic-block.h (control_flow_graph): Change the type of
17200 x_basic_block_info to VEC(basic_block,gc) *.
17201 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17203 (SET_BASIC_BLOCK): New.
17204 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17205 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17206 * cfgbuild.c (find_basic_blocks): Likewise.
17207 * cfglayout.c (fixup_reorder_chain): Likewise.
17208 * cfgrtl.c (create_basic_block_structure,
17209 rtl_create_basic_block): Likewise.
17210 * ifcvt.c (find_if_case_1): Likewise.
17211 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17214 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17216 * Makefile.in: Removed rotted odf.c entry.
17218 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17221 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17222 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17223 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17224 output pattern modifier, not %e.
17225 * config/cris/cris.c (cris_op_str): Update comment about pattern
17227 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17228 before falling through into...
17229 <case 'E'>: Redefined from old 'e' case.
17231 2006-01-11 Jan Hubicka <jh@suse.cz>
17234 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17236 2006-01-11 Jan Hubicka <jh@suse.cz>
17238 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17239 * i386.c (x86_decompose_lea): Kill.
17240 (ix86_rtx_costs): Kill.
17242 2006-01-11 Jan Hubicka <jh@suse.cz>
17244 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17245 * cgraph.h (cgraph_node): Add inline_decl.
17246 (cgraph_insert_node_to_hashtable): Declare.
17247 (save_inline_function_body): Declare.
17248 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17250 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17251 (cgraph_function_versioning): Update call of tree_function_versioning.
17252 (save_inline_function_body): New function.
17253 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17254 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17255 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17256 (cgraph_default_inline_p): Likewise.
17257 (cgraph_decide_inlining_incrementally): Likewise.
17258 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17259 (copy_bb): Kill saving; do updating of clones.
17260 (copy_cfg_body): Kill saving.
17261 (initialize_inlined-parameters): Likewise.
17262 (expand_call_inline): Likewise.
17264 (tree_function_versioning): New parameter "update_clones".
17265 (inlining_p): Kill saving.
17266 * tree-inline.h (tree_function_versioning): Update prototype.
17267 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17270 2006-01-11 Ian Lance Taylor <ian@airs.com>
17272 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17273 Allow undoing set of machine mode.
17274 (do_SUBST): Use enums instead of is_int.
17275 (do_SUBST_MODE): New function.
17276 (SUBST_MODE): New macro.
17277 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17278 reg and trying to replace reg_regno_rtx with a new register.
17279 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17280 (simplify_set): Use SUBST_MODE.
17281 (distribute_notes): Remove code that tried to update reg notes
17282 for regno_reg_rtx changes.
17284 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17286 PR tree-optimization/23109
17287 PR tree-optimization/23948
17288 PR tree-optimization/24123
17290 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17291 * tree-cfg.c (single_noncomplex_succ): New.
17292 * tree-flow.h (single_noncomplex_succ): Declare it.
17293 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17294 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17295 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17296 insert_bb, register_division_in, insert_reciprocals,
17297 replace_reciprocal, free_bb): New.
17298 (execute_cse_reciprocals_1): Rewritten.
17299 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17300 Do not commit any edge insertion. Always compute dominators and
17301 create the allocation pool.
17302 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17303 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17304 * targhooks.c (default_min_divistions_for_recip_mul): New.
17305 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17306 * passes.c (init_optimization_passes): Run recip after tree loop
17308 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17310 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17311 Kenneth Zadeck <zadeck@naturalbridge.com>
17313 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17314 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17315 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17316 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17317 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17318 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17319 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17320 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17321 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17322 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17323 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17324 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17325 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17326 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17327 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17328 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17329 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17330 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17331 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17332 DF_SCAN_POST_ALLOC): New macros.
17333 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17334 df_free_bb_function, df_local_compute_function, df_init_function,
17335 df_dataflow_function, df_confluence_function_0,
17336 df_confluence_function_n, df_transfer_function,
17337 df_finalizer_function, df_free_function, df_dump_problem_function,
17338 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17339 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17340 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17341 df_urec_bb_info, ) New types.
17342 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17344 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17345 df_analyze_simple_change_some_blocks,
17346 df_analyze_simple_change_one_block, df_compact_blocks,
17347 df_bb_replace, df_bb_regno_last_use_find,
17348 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17349 df_insn_regno_def_p, df_find_def, df_find_use,
17350 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17351 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17352 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17353 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17354 debug_df_chain, df_get_dependent_problem, df_chain_create,
17355 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17356 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17357 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17358 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17359 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17360 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17361 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17362 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17363 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17364 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17365 df_reorganize_refs, df_set_state, df_hard_reg_init,
17366 df_read_modify_subreg_p) New public functions.
17367 * df-core.c: The core dataflow solver and glue routines for rtl
17369 (df_init, df_add_problem, df_set_blocks, df_finish,
17370 df_hybrid_search_forward, df_hybrid_search_backward,
17371 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17372 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17373 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17374 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17375 df_reg_defined, df_find_use, df_reg_used, df_dump,
17376 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17377 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17378 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17379 debug_df_useno, reset_df_after_reload): New functions.
17380 * df-scan.c: The scanning fuctions, once in df.c, completely
17381 rewritten so that they now fully model the functionality of
17382 register usage at the backend.
17383 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17384 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17385 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17386 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17387 df_get_artificial_defs, df_get_artificial_uses,
17388 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17389 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17390 df_refs_delete, df_reorganize_refs, df_set_state,
17391 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17392 df_def_record_1, df_defs_record, df_uses_record,
17393 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17394 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17395 df_record_exit_block_uses, df_hard_reg_init): New functions.
17397 * df-problems.c: Seven concrete dataflow problems that use the
17398 scanning in df-scan.c and are solved by the engine in df-core.c.
17399 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17400 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17401 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17402 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17403 df_ru_free_bb_info, df_ru_alloc,
17404 df_ru_bb_local_compute_process_def,
17405 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17406 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17407 df_ru_transfer_function, df_ru_free, df_ru_dump,
17408 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17409 df_rd_free_bb_info, df_rd_alloc,
17410 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17411 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17412 df_rd_transfer_function, df_rd_free, df_rd_dump,
17413 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17414 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17415 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17416 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17417 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17418 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17419 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17420 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17421 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17422 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17423 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17424 df_urec_mark_reg_use_for_earlyclobber,
17425 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17426 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17427 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17428 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17429 df_chain_create_bb_process_use, df_chain_create_bb,
17430 df_chain_finalize, df_chain_free, df_chains_dump,
17431 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17432 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17433 df_reg_lifetime): New functions.
17434 * df.c: Deleted file.
17435 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17436 consistent with new df api.
17437 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17438 rest_of_handle_sms): Ditto.
17439 * web.c (unionfind_union, union_defs, entry_register, web_main):
17441 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17442 invariant_expr_equal_p, find_defs, check_dependencies,
17443 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17444 free_inv_motion_data, move_loop_invariants): Ditto.
17445 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17446 Update dependencies.
17447 (odf.c): Added defective entry that was deleted later in day.
17448 * sched-deps.c (sched_analyze_1): Ditto.
17450 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17452 * tree-ssa-operands.c (get_expr_operands): Record addressable
17453 variables directly. Do not call add_stmt_operands for CONST_DECLs
17455 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17456 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17458 2006-01-11 Ben Elliston <bje@au.ibm.com>
17460 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17461 function returns true in the positive case.
17463 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17466 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17467 for SI, DI, SF and DF modes. Add alternatives to copy between
17468 general and floating point registers to the 32-bit patterns.
17469 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17470 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17471 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17472 generating 64-bit code.
17473 * config/pa/pa.c (output_move_double): Handle copies between general
17474 and floating registers.
17476 2006-01-10 Stuart Hastings <stuart@apple.com>
17478 * config/i386/i386.md (set_got): Update.
17479 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17480 (builtin_setjmp_receiver): Mach-O support.
17481 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17482 (GOT_SYMBOL_NAME): Define.
17483 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17484 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17485 * config/i386/i386.c (override_options): Revise for Darwin.
17486 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17487 support. (darwin_x86_file_end): New. (output_set_got): Add label
17488 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17489 * config/i386/i386-protos.h (output_set_got): Likewise.
17490 * config/darwin.c (machopic_legitimize_pic_address): Update
17493 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17495 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17496 when MODE isn't BLKmode.
17498 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17500 PR rtl-optimization/25367
17501 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17503 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17506 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17507 for a negative bound.
17509 2006-01-10 Richard Guenther <rguenther@suse.de>
17511 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17512 Never override with anything constraint.
17514 2006-01-10 Jan Beulich <jbeulich@novell.com>
17516 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17517 256 bits when optimize_size.
17519 2006-01-10 Jan Beulich <jbeulich@novell.com>
17521 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17523 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17524 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17527 2006-01-10 Ben Elliston <bje@au.ibm.com>
17529 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17531 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17532 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17533 (USE_FP_FOR_ARG): Reject decimal float modes.
17534 (function_arg_advance): Likewise.
17535 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17536 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17537 point types in AltiVec vectors.
17538 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17539 (rs6000_libcall_value): Likewise.
17541 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17543 * config/xtensa/ieee754-df.S: New file.
17544 * config/xtensa/ieee754-sf.S: New file.
17545 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17546 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17547 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17549 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17551 * config/sh/predicates.md (binary_float_operator,
17552 binary_logical_operator, commutative_float_operator,
17553 equality_comparison_operator, greater_comparison_operator,
17554 less_comparison_operator, logical_operator,
17555 noncommutative_float_operator, shift_operator,
17556 symbol_ref_operand, unary_float_operator): Remove redundant
17559 2006-01-09 Jeff Law <law@redhat.com>
17561 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17562 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17563 now unused arguments. Callers updated.
17564 (eliminate_redundant_computations): Remove now unused arguments,
17566 (local_fold): Remove, no longer used.
17567 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17569 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17570 (simplify_cond): New function.
17571 (forward_propagate_into_cond): Call simplify_cond.
17573 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17575 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17576 (*vec_extractv2di_1_sse): New.
17578 2006-01-09 Ben Elliston <bje@au.ibm.com>
17580 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17582 2006-01-08 Richard Guenther <rguenther@suse.de>
17584 * tree-ssa-structalias.c (get_constraint_for): Remove
17585 anyoffset argument.
17586 (get_constraint_for_component_ref): Likewise.
17587 (do_deref): Likewise.
17588 (get_constraint_for): Likewise.
17589 (do_structure_copy): Likewise.
17590 (handle_ptr_arith): Likewise.
17591 (find_func_aliases): Likewise. Remove unused need_anyoffset
17594 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17595 Kaz Kojima <kkojima@gcc.gnu.org>
17597 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17598 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17599 (EXTRA_CONSTRAINT_C16): Remove.
17600 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17601 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17602 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17603 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17604 constants of SHmedia. Handle nested constant expressions of
17606 (andcosts): Fix the costs for SHmedia constants.
17607 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17608 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17609 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17610 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17611 (movv4hi_i, movv2si_i): Likewise.
17612 (movsi_const): Adjust the second operand of ior so to match with
17613 the Csu constraint.
17614 (movdi_const, movdi_const_32bit): Likewise.
17615 (movdi_const_16bit+1): Don't sign-extend LOW.
17616 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17618 (*double_shori): Fix the split condition. Use GEN_INT instead
17619 of get_int_mode calls. Mask lower 16-bit of the argument of
17621 (sym2GOTPLT): Remove.
17622 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17624 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17625 instead of EXTRA_CONSTRAINT_C16.
17627 2006-01-07 Ian Lance Taylor <ian@airs.com>
17628 David Edelsohn <edelsohn@gnu.org>
17630 PR rtl-optimization/25662
17631 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17632 for constant operands instead of simplify_gen_binary.
17633 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17634 after trying simplify_binary_operation
17636 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17638 * tree.c (iterative_hash_expr): Hash decls based on UID.
17640 2006-01-06 Eric Christopher <echristo@apple.com>
17642 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17643 (TARGET_UNWIND_EMIT): Fix spelling.
17644 * target.h (gcc_target): Add except_table_label.
17645 * except.c (output_function_exception_table): Use.
17646 * varasm.c (default_emit_except_table_label): New.
17647 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17649 (asm_out): Add here.
17650 * output.h (default_emit_except_table_label): Prototype.
17651 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17652 * config/darwin.c (darwin_emit_except_table_label): Define.
17653 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17655 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17657 PR tree-optimization/18527
17658 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17659 number_of_iterations_special, number_of_iterations_exit):
17660 Move base and step of an iv to a single structure. Add
17661 no_overflow flag, and use it in # of iterations analysis.
17662 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17663 folded_casts argument.
17664 (simple_iv): Pass base and step in a structure. Set no_overflow
17666 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17667 Evaluate expensiveness of computing # of iterations instead of
17668 the final expression.
17669 * tree-scalar-evolution.h (affine_iv): New structure.
17670 (simple_iv): Declaration changed.
17671 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17672 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17673 find_givs_in_stmt): Changed due to simple_iv change.
17675 2006-01-06 Jeff Law <law@redhat.com>
17678 * tree-cfg.c (bsi_replace): Rename final argument from
17679 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17680 change (stmt -> orig_stmt).
17681 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17682 (bsi_remove): Add new argument. Remove EH information
17684 (verify_eh_throw_table_statements): New function.
17685 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17687 * tree-optimize.c (execute_free_cfg_annotations): Verify
17688 the EH throw statement table after removing annotations.
17689 * except.h (verify_eh_throw_table_statements): Prototype.
17690 * tree-flow.h (bsi_remove): Update prototype.
17691 * tree-vrp.c (remove_range_assertions): Add new argument to
17693 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17694 * tree-complex.c (expand_complex_div_wide): Likewise.
17695 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17696 * tree-tailcall.c (eliminate_tailcall): Likewise.
17697 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17698 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17699 * tree-nrv.c (tree_nrv): Likewise.
17700 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17701 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17702 (combine_blocks): Likewise.
17703 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17704 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17705 (cleanup_control_flow): Likewise.
17706 (remove_forwarder_block): Likewise.
17707 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17708 * tree-sra.c (sra_replace): Likewise.
17709 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17710 (forward_propagate_single_use_vars): Likewise.
17711 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17712 * tree-inline.c (expand_call_inline): Likewise.
17713 * tree-vect-transform.c (vect_transform_loop): Likewise.
17714 * tree-outof-ssa.c (rewrite_trees): Likewise.
17715 * tree-cfg.c (make_goto_expr_edges): Likewise.
17716 (cleanup_dead_labels): Likewise.
17717 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17718 (bsi_move_before, bsi_move_after): Likewise.
17719 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17720 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17722 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17725 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17727 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17728 on non gimple variables. Also add checks at the top for decls and
17730 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17732 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17733 and IMAGPART_EXPR for creating MUST_DEFs.
17734 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17735 and NAME_MEMORY_TAG separately from the DECLs.
17737 2006-01-06 Richard Guenther <rguenther@suse.de>
17739 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17740 annotation, if necessary.
17741 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17742 redundant calls to update_stmt.
17743 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17746 2006-01-05 Richard Henderson <rth@redhat.com>
17748 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17750 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17752 * c-typeck.c: Update copyright date.
17754 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17756 * c-typeck.c (build_c_cast): Always warn when casting
17757 from a pointer to an integer of different size, even if
17758 the node was constant.
17760 2006-01-05 Richard Guenther <rguenther@suse.de>
17762 PR tree-optimization/22555
17763 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17764 if one structure field is an array.
17765 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17766 operands even if we found a subvar, but ignore VOPs in this
17768 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17770 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17772 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17774 PR middle-end/24998
17775 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17777 2006-01-05 Richard Guenther <rguenther@suse.de>
17778 Diego Novillo <dnovillo@redhat.com>
17780 * tree-pass.h (TODO_remove_unused_locals): Define.
17781 * gimple-low.c (expand_var_p, remove_useless_vars,
17782 pass_remove_useless_vars): Remove. Update all users.
17783 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17784 (remove_unused_locals): New function.
17785 * tree-flow.h (remove_unused_locals): Declare.
17786 * passes.c (execute_todo): Call remove_unused_locals if
17787 TODO_remove_unused_locals is set.
17788 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17789 * tree-ssa-dce.c (pass_dce): Likewise.
17790 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17792 2006-01-05 Richard Guenther <rguenther@suse.de>
17794 * tree-flow.h (struct fieldoff): Decompose field to
17795 type, size and decl.
17796 * tree-ssa-alias.c (create_sft): Take type as parameter.
17797 (create_overlap_variables_for): Store type, size and decl
17798 in the fieldoff structure.
17799 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17800 of struct fieldoff.
17801 (push_fields_onto_fieldstack): Likewise.
17802 (create_variable_info_for): Likewise. Use offset for the
17803 SFT name if the decl is not available.
17805 2006-01-04 Paul Brook <paul@codesourcery.com>
17807 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17809 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17811 * lambda-code.c (can_put_in_inner_loop): Relax
17813 (can_put_after_inner_loop): New function.
17814 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17815 (perfect_nestify): Change to make copies and modify uses.
17817 2006-01-04 Richard Henderson <rth@redhat.com>
17819 Merge from gomp branch:
17820 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17821 via integer constant.
17822 (pragma_lex): Remove.
17823 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17824 rather than parsing it.
17825 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17826 handle_pragma_extern_prefix): Add %< %> quotes.
17827 (registered_pragmas): New.
17828 (c_register_pragma_1): New.
17829 (c_register_pragma): Use it.
17830 (c_register_pragma_with_expansion): Likewise.
17831 (c_invoke_pragma_handler): New.
17832 (init_pragma): Use cpp_register_deferred_pragma directly for
17834 * c-pragma.h (enum pragma_kind): New.
17835 (pragma_handler): New.
17836 (c_invoke_pragma_handler): Declare.
17837 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17839 * c-common.h (c_common_pch_pragma): Update decl.
17840 * Makefile.in (c-parser.o): Update dependencies.
17841 (GTFILES): Add c-pragma.h.
17842 * c-parser.c (struct c_token): Add pragma_kind.
17843 (struct c_parser): Add in_pragma.
17844 (c_lex_one_token): Always initialize keyword and pragma_kind.
17845 Extract data for CPP_PRAGMA.
17846 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17847 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17848 Don't allow CPP_PRAGMA_EOL if in_pragma.
17849 (c_parser_consume_pragma): New.
17850 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17851 (c_parser_skip_to_end_of_parameter): Likewise.
17852 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17853 (c_parser_skip_to_pragma_eol): New.
17854 (c_parser_external_declaration): Handle CPP_PRAGMA.
17855 (c_parser_compound_statement_nostart): Likewise.
17856 (c_parser_statement_after_labels): Likewise.
17857 (c_parser_pragma): New.
17858 (pragma_lex): Likewise.
17859 (c_parser_pragma_pch_preprocess): New.
17860 (c_parser_new): Merge into ...
17861 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17863 2006-01-04 Jeff Law <law@redhat.com>
17866 * tree-cfg.c (bsi_replace): Remove the original statement
17867 from the EH throw statement table.
17869 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17871 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17872 make the prototype extern "C" and add throw ().
17875 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17876 and pos non-negative and pos + len <= 32.
17877 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17878 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17879 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17882 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17883 as well as sizes not multiple of component size.
17886 * function.c (instantiate_expr): New function.
17887 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17888 walk its DECL_VALUE_EXPR with instantiate_expr.
17890 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17891 DW_OP_deref{,_size} if address isn't going to be added.
17893 2006-01-04 Ben Elliston <bje@au.ibm.com>
17895 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17896 * config/fp-bit.c: Likewise.
17898 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17900 * dominance.c: Add comment about why we use DFS numbering
17903 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17904 Richard Henderson <rth@redhat.com>
17906 Merge from gomp-branch:
17907 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17908 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17910 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17912 PR rtl-optimization/25578
17913 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17914 pass a parameter to simplify_shift_const if changing ASHIFTRT
17917 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17919 * builtins.c (get_builtin_sync_mem): New function.
17920 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17921 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17922 Call get_builtin_sync_mem to generate mem rtx.
17924 2006-01-03 Richard Guenther <rguenther@suse.de>
17927 * stmt.c (add_case_node): Make sure to clear overflow flags
17930 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17932 Merge from gomp-branch.
17933 * config/sparc/sync.md: New file.
17934 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17935 UNSPECV_LDSTUB): New constants.
17936 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17937 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17938 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17941 2006-01-03 Roger Sayle <roger@eyesopen.com>
17943 * combine.c (reg_subword_p): New predicate to test whether the
17944 destination of a set refers to a subword/piece of a register.
17945 (try_combine): Generalize the code to merge the setting of a
17946 pseudo to a constant followed by a set of a subword of that
17947 register to a constant.
17949 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17951 * basic-block.h (control_flow_graph): Change the type of
17952 x_label_to_block_map to VEC(basic_block,gc) *.
17953 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17954 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17956 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17957 VEC(basic_block,heap) *.
17958 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17959 ssa_prop_fini): Adjust the uses of cfg_blocks.
17961 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17963 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17965 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17966 hashing trees instead of a pointer hash.
17967 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17968 compare for MEM_EXPR.
17970 PR rtl-optimization/25130
17971 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17972 when comparing MEMs for GCSE
17974 2006-01-03 Ben Elliston <bje@au.ibm.com>
17976 * targhooks.h (default_decimal_float_supported_p): Declare.
17977 * targhooks.c (default_decimal_float_supported_p): Define.
17978 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17979 `default_decimal_float_supported_p'.
17980 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17982 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17984 * combine.c (apply_distributive_law <SUBREG>): Check
17985 TRULY_NOOP_TRUNCATION.
17987 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17989 * dwarf2out.c (have_switched_text_section): Delete.
17990 (have_multiple_function_sections): New.
17991 (have_location_lists): Make 'bool'.
17992 (add_AT_loc_list): Use 'true' not '1'.
17993 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17994 (output_loc_list): Use have_multiple_function_sections.
17995 (output_ranges): Likewise.
17996 (dwarf2out_begin_function): Set have_multiple_function_sections if
17998 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17999 Check function_section rather than DECL_SECTION_NAME.
18000 (dwarf2out_finish): Use have_multiple_function_sections.
18001 Don't clear have_location_lists.
18003 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18004 Jan Hubicka <jh@suse.cz>
18006 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18007 case of conditional jump jumping to the next instruction.
18008 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18009 cases of conditional jump jumping to the next instruction.
18011 2006-01-02 Jan Hubicka <jh@suse.cz>
18013 * i386.c (*_cost): Add COSTS_N_INSNS.
18014 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18016 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18019 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18021 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18023 * config/arm/arm.c (all_fpus): Fix comment typo.
18024 * config/darwin.c: Likewise.
18025 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18026 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18027 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18029 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18031 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18032 (rs6000_split_compare_and_swapqhi): New.
18033 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18034 (sync_compare_and_swapqhi_internal): New.
18035 * config/rs6000/rs6000-protos.h: Declare.