1 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
3 * flags.h (flag_random_seed): Remove declaration, in favor of...
4 * toplev.h (get_random_seed, set_random_seed): ... these.
5 * tree.c (get_file_function_name): Use the former.
6 * opts.c (common_handle_option): Use the latter.
9 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
12 * cse.c (cse_find_path): Do not bail out if a basic block that
13 we already visited now becomes part of a path that starts at a
14 different basic block. Just disallow this, to make sure we
15 visit each basic block at most once.
17 2007-03-13 Jan Hubicka <jh@suse.cz>
19 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
20 when profile esitmate is present, calls with very low frequency are
23 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
25 PR tree-optimization/30730
26 PR tree-optimization/26900
27 * tree-ssa-loop-niter.c: Include gmp.h.
29 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
30 split_to_var_and_offset, determine_value_range,
31 bound_difference_of_offsetted_base, refine_bounds_using_guard,
32 bound_difference, bounds_add, bounds_negate,
33 number_of_iterations_ne_max, dump_affine_iv): New functions.
34 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
35 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
36 difference of initial and final value of control iv to validate
38 (number_of_iterations_cond): Add loop parameter. Determine bounds
39 on the difference of the extremes of the control iv. Add dumps.
40 (expand_simple_operations): Handle phi nodes.
41 (simplify_using_initial_conditions): Do not record used conditions.
42 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
43 Do not set additional_info.
44 (implies_nonnegative_p, implies_ge_p): Removed.
45 (derive_constant_upper_bound): Do not use parameter `additional'.
46 (record_estimate): Parameter `additional' removed. Parameter
47 `i_bound' added. Do not call derive_constant_upper_bound.
48 (record_nonwrapping_iv): Use derive_constant_upper_bound to
49 bound the number of iterations estimate.
50 (estimate_numbers_of_iterations_loop): Pass the estimate from
51 the number of iterations analysis to record_estimate.
52 * tree.h (multiple_of_p): Declare.
53 * tree-scalar-evolution.c (expression_expensive_p): Removed.
54 (scev_const_prop): Do not check expression_expensive_p.
55 * fold-const.c (multiple_of_p): Exported.
56 * double-int.c (double_int_mask): Exported.
57 * double-int.h (double_int_mask): Declare.
58 * tree-flow.h (struct tree_niter_desc): Removed additional_info
59 field. Added max field.
61 2007-03-13 David Taylor <taylor@candd.org>
64 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
67 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
70 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
73 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
75 * config/i386/i386.opt (mcx16, msahf): New options.
76 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
77 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
79 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
80 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
81 Output -mcx16 and -msahf options when corresponding bit is set.
83 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
86 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
88 * configure.ac: Test for assembler tolerance to # 0 "".
89 * configure, config.in: Rebuilt.
90 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
92 2007-03-13 Geoffrey Keating <geoffk@apple.com>
94 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
96 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
97 (handle_syscall): Handle direct system calls.
98 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
100 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
102 * doc/invoke.texi: Fix cpp.info cross-reference.
103 * doc/passes.texi: Fix gcc.info cross-reference.
105 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
107 PR tree-optimization/30835
108 * lambda-code.c (can_convert_to_perfect_nest): Check whether
109 bb_for_stmt is not NULL before accessing it.
111 2007-03-12 Joseph Myers <joseph@codesourcery.com>
113 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
116 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
119 * doc/install.texi: Document --enable-stage1-languages
121 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
123 * tree-pass.h (pass_into_cfg_layout_mode,
124 pass_outof_cfg_layout_mode): Declare.
125 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
126 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
127 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
128 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
130 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
132 * c-decl.c (warn_variable_length_array): New function.
133 Refactored from grokdeclarator to handle warn_vla
134 and handle unnamed array case.
135 (grokdeclarator): Refactored VLA warning case.
136 * c.opt (Wvla): New flag.
137 * doc/invoke.texi (Wvla): New warning.
139 2007-03-12 Richard Henderson <rth@redhat.com>
141 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
142 (TARGET_SECTION_TYPE_FLAGS): New.
144 2007-03-12 Richard Henderson <rth@redhat.com>
146 * config/darwin.c (machopic_reloc_rw_mask): New.
147 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
148 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
150 2007-03-12 Mark Mitchell <mark@codesourcery.com>
152 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
153 * cppdefault.h (cpp_PREFIX): Document.
154 (cpp_PREFIX_len): Likewise.
155 (cpp_EXEC_PREFIX): New variable.
156 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
157 * c-incpath.c (add_standard_paths): Correct logic for relocating
160 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
162 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
163 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
165 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
166 fix_truncdfdi_sse using SSEMODEF mode macro.
167 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
168 fix_truncdfsi_sse using SSEMODEF mode macro.
169 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
170 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
172 2007-03-12 Richard Sandiford <richard@codesourcery.com>
174 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
177 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
179 * tree.h : Add multiple_of_p declaration.
180 * fold-const.c (multiple_of_p): Make multiple_of_p public.
181 * ipa-type-escape.c (results_of_malloc): Redundant.
182 (visited_stmts): New. Visited stmt for walk_use_def_chains.
183 (cast_type): Extended with new members.
184 (check_cast): Returns cast_type.
185 (cast): New structure for data of walk_use_def_chains.
186 (is_malloc_result, is_cast_from_non_pointer_1,
187 is_cast_from_non_pointer,
188 is_array_access_through_pointer_and_index): New functions.
189 (look_for_casts): Returns cast types.
190 (check_call): Returns void.
191 (okay_pointer_operation): Use support of pointer plus index,
192 pointer plus constant and allow all multiplications.
194 2007-03-11 Richard Guenther <rguenther@suse.de>
196 PR tree-optimization/31115
197 * tree-vrp.c (extract_range_from_binary_expr): Make sure
198 the shift count is positive and non-anti-range for RSHIFT_EXPR.
199 A shift count of zero is not special as with *_DIV_EXPR.
200 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
203 2007-03-11 Ian Lance Taylor <iant@google.com>
205 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
206 the *_DIV_EXPR codes correctly with overflow infinities.
208 2007-03-11 Ira Rosen <irar@il.ibm.com>
210 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
211 indicate success/failure of the analysis. Add negation to subtrahend
212 in case of subtraction. Fail if both operands contain constants.
213 (create_data_ref): Fail if analyze_offset fails.
215 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
217 * config/i386/i386.md (frndintxf2): Rename to ...
218 (rintxf2): ... this. Remove expander having same name.
219 (rintsf2, rintdf2): Implement using SSEMODEF macro.
220 (roundsf2, rounddf2): Ditto.
221 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
222 (lround<mode>di2, lround<mode>si2): Ditto.
224 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
226 * lower-subreg.c: Include except.h.
227 (decompose_multiword_subregs): Verify that the only control flow
228 insns we can split are loads to multi-words pseudos.
229 Handle breaking such blocks after splitting, instead of calling
230 find_many_sub_basic_blocks.
232 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
233 on the new basic block. Add a lengthy comment explaining why we
234 thought this was necessary.
235 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
237 2007-03-10 Mark Mitchell <mark@codesourcery.com>
240 * tree.c (walk_type_fields): Recurse into the element type of
241 ARRAY_TYPEs if there is a pointer set.
243 2007-03-10 Dirk Mueller <dmueller@suse.de>
245 * c-common.c (warn_logical_operator): Fix condition.
247 2007-03-10 Tobias Schlüter <tobi@gcc.gnu.org>
249 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
251 * config/darwin.c (machopic_select_section): Remove superfluous
252 argument in call to categorize_decl_for_section. Remove unused
255 2007-03-10 Joseph Myers <joseph@codesourcery.com>
257 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
259 * configure: Regenerate.
261 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
264 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
265 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
266 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
267 Add LABEL_NUSES to emitted label.
268 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
269 branch probability value to emitted jump insn.
270 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
271 Do not check life information and do not re-arrange input operands
272 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
274 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
276 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
277 the change of decode_asm_operands.
279 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
281 * mode-switching.c (create_pre_exit): Skip blockage insn.
283 2007-03-09 Diego Novillo <dnovillo@redhat.com>
285 * tree-pass.h (TODO_update_smt_usage): Remove.
287 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
291 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
293 * pa.c (attr_length_call): Revise condition for long pc-relative branch.
294 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
295 calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
298 2007-03-09 Geoffrey Keating <geoffk@apple.com>
300 * gcc.c: Document %{, in big comment at top.
301 (input_suffix_matches): Remove special handling for .s and
303 (input_spec_matches): New.
304 (handle_braces): Handle %{,.
305 (validate_switches): ',' indicates a value which is not a switch.
306 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
307 to detect assembler input.
308 * config/i386/sol2.h (CPP_SPEC): Likewise.
309 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
310 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
311 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
312 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
313 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
314 -m64 causes deployment target to default to 10.5.
315 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
317 2007-03-09 Richard Henderson <rth@redhat.com>
320 * target.h (targetm.asm.out.reloc_rw_mask): New.
321 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
322 (TARGET_ASM_OUT): Use it.
323 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
324 * varasm.c (categorize_decl_for_section): Remove shlib argument;
325 use the new reloc_rw_mask target hook instead.
326 (default_section_type_flags_1): Merge into...
327 (default_section_type_flags): ... here.
328 (decl_readonly_section_1): Merge into...
329 (decl_readonly_section): ... here.
330 (default_elf_select_section_1): Merge into...
331 (default_elf_select_section): ... here.
332 (default_unique_section_1): Merge into...
333 (default_unique_section): ... here.
334 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
335 (default_select_rtx_section): Use it.
336 (default_elf_select_rtx_section): Likewise.
337 * output.h: Update to match.
338 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
339 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
340 (TARGET_ASM_RELOC_RW_MASK): New.
341 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
342 to categorize_decl_for_section.
343 (x86_64_elf_unique_section): Likewise.
344 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
345 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
346 (TARGET_ASM_RELOC_RW_MASK): New.
347 * config/ia64/ia64.c (ia64_rwreloc_select_section,
348 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
349 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
350 (TARGET_RWRELOC): Remove.
351 (ia64_section_type_flags): Adjust call to default_section_type_flags.
352 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
353 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
354 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
355 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
356 (rs6000_xcoff_select_section): Use decl_readonly_section.
357 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
358 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
359 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
360 (TARGET_SECTION_TYPE_FLAGS): Remove.
361 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
363 2007-03-09 Roger Sayle <roger@eyesopen.com>
365 * fold-const.c (fold_comparison): Remove compile-time evaluation of
366 complex constant equality/inequality comparisons for here.
367 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
368 known at compile-time or can be simplified to a scalar comparison.
369 (fold_relational_const): Move compile-time evaluation of complex
370 constant equality/inequality comparisons to here.
372 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
374 PR rtl-optimization/30643
375 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
377 (fold_rtx): Recurse, like before 2006-11-03.
379 2007-03-09 DJ Delorie <dj@redhat.com>
381 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
384 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
386 PR tree-optimization/30375
387 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
388 LHS of statements is not the same.
389 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
391 2007-03-09 Chao-ying Fu <fu@mips.com>
393 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
395 * doc/invoke.texi (-mdspr2): Document new option.
396 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
397 New unspec for DSP REV 2.
398 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
399 these instructions are extended in DSP REV 2.
400 (mips-dspr2.md): Include.
401 * config/mips/mips.opt (mdspr2): New option.
402 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
403 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
404 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
405 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
406 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
407 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
408 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
410 (bdesc_map): Add one field of unsupported_target_flags.
411 (bdesc_arrays): Update entries to have extra fields. Add
413 (mips_init_builtins): Initialize new function types.
414 Check unsupported_target_fileds to filter out builtins.
415 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
417 (ASM_SPEC): Pass mdspr2 to the assembler.
418 * config/mips/mips-dspr2.md: New file.
420 2007-03-09 Sa Liu <saliu@de.ibm.com>
422 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
424 2007-03-09 Ian Lance Taylor <iant@google.com>
426 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
427 argument) like -Wstrict-overflow=2.
428 * doc/invoke.texi (Warning Options): Update documentation.
430 2007-03-09 Dirk Mueller <dmueller@suse.de>
433 * doc/invoke.texi (-Wlogical-op): Document.
434 * common.opt (-Wlogical-op): New.
435 * c-common.h (warn_logical_operator): Declare.
436 * c-common.c (warn_logical_operator): Define.
437 * c-typeck.c (parser_build_binary_op): Call
438 warn_logical_operator.
440 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
442 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
443 * final.c (final_scan_insn): Test for non-"" file name.
445 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
447 * doc/loop.texi: Document the Omega linear constraints solver.
448 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
449 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
450 omega-hash-table-size, omega-max-keys, and
451 omega-eliminate-redundant-constraints.
452 * tree-pass.h (pass_check_data_deps): Declared.
455 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
456 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
457 pass_check_data_deps): New.
458 * tree-data-ref.c (init_data_ref): Remove declaration.
459 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
460 (analyze_array): Renamed init_array_ref, move up initializations.
461 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
462 Removed arguments that are set to NULL.
463 (analyze_indirect_ref): Correct indentation, correct call to
465 (object_analysis): Call init_array_ref instead of analyze_array.
466 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
467 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
468 of DR_ACCESS_FNS_ADDR.
469 (init_omega_eq_with_af, omega_extract_distance_vectors,
470 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
471 ddr_consistent_p): New.
472 (compute_affine_dependence): Check consistency of ddrs when
473 flag_check_data_deps is passed.
474 (analyze_all_data_dependences): Uncomment.
475 (tree_check_data_deps): New.
476 * tree-data-ref.h: Include omega.h.
477 (DR_ACCESS_FNS_ADDR): Removed.
478 (data_dependence_relation): Add inner_loop.
479 (DDR_INNER_LOOP): New.
480 * common.opt (fcheck-data-deps): New.
481 * tree-flow.h (tree_check_data_deps): Declare.
482 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
483 (OBJS-common): Depend on omega.o.
485 * passes.c (pass_check_data_deps): Scheduled.
486 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
487 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
488 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
489 PARAM_VECT_MAX_VERSION_CHECKS,
490 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
492 2007-03-09 Richard Guenther <rguenther@suse.de>
494 PR tree-optimization/30904
496 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
497 the same way as *_DIV_EXPR.
499 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
501 * recog.c (decode_asm_operands): No mixed declarations and code.
503 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
505 * rtl.def (ASM_INPUT): Add location.
506 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
507 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
508 (decode_asm_operands): Add loc operand.
509 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
510 * stmt.c (expand_asm): Rename to...
511 (expand_asm_loc): ... this. Add locus argument. Pass it on to
512 gen_rtx_ASM_INPUT_loc.
513 (expand_asm_expr): Adjust.
514 * recog.c (decode_asm_operands): Add loc operand.
515 (check_asm_operands, extract_insn): Adjust.
516 * reload1.c (maybe_fix_stack_asms): Likewise.
517 * final.c (asm_insn_count): Likewise.
518 (final_scan_insn): Output # line before and after asm.
520 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
522 * tree-ssa-structalias.c (variable_info): Remove
524 (new_var_info): Ditto.
525 (shared_bitmap_info_t): New structure.
526 (shared_bitmap_table): New variable.
527 (shared_bitmap_hash): New function.
528 (shared_bitmap_eq): Ditto
529 (shared_bitmap_lookup): Ditto.
530 (shared_bitmap_add): Ditto.
531 (merge_smts_into): Change to take bitmap directly.
532 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
533 (init_alias_vars): Init shared bitmap hashtable.
534 (delete_points_to_sets): Delete shared bitmap hashtable.
535 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
536 is_aliased removal as a change that was still necessary was
539 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
541 * config/i386/i386.h (override_options): Conditionally disable
542 x86_sahf for 64bit targets only.
544 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
547 * c-decl.c (merge_decls): Don't call make_var_volatile.
548 * varasm.c (make_var_volatile): Remove.
549 * output.h (make_var_volatile): Remove.
551 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
553 PR tree-optimization/31085
554 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
556 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
558 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
559 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
560 ATTR_CONST_NOTHROW_LIST.
562 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
565 2007-03-08 Diego Novillo <dnovillo@redhat.com>
567 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
569 2007-03-08 Geoffrey Keating <geoffk@apple.com>
572 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
574 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
575 passed, use shared libgcc.
577 2007-03-08 Roger Sayle <roger@eyesopen.com>
579 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
580 instead of calling build2 with a GIMPLE_MODIFY_STMT.
581 (honor_protect_cleanup_actions, lower_try_finally_switch):
583 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
584 ifc_temp_var): Likewise.
585 * tree-inline.c (setup_one_parameter): Likewise.
586 * tree-mudflap.c (mf_decl_cache_locals,
587 mf_build_check_statement_for): Likewise.
588 * tree-nested.c (init_tmp_var, save_tmp_var,
589 finalize_nesting_tree_1): Likewise.
590 * tree-outof-ssa.c (insert_copy_on_edge,
591 insert_backedge_copies): Likewise.
592 * tree-profile.c (tree_gen_edge_profiler,
593 tree_gen_ic_profiler): Likewise.
594 * tree-scalar-evolution.c (scev_const_prop): Likewise.
595 * tree-sra.c (sra_build_assignment): Likewise.
596 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
597 * tree-ssa-math-opts.c (insert_reciprocals,
598 execute_cse_sincos_1): Likewise.
599 * tree-tailcall.c (adjust_accumulator_values,
600 adjust_return_value): Likewise.
601 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
602 * tree-vect-transform.c (vect_create_data_ref_ptr,
603 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
604 vect_create_epilog_for_reduction, vectorizable_reduction,
605 vectorizable_call, vectorizable_conversion,
606 vectorizable_assignment, vectorizable_operation,
607 vectorizable_type_demotion, vect_gen_widened_results_half,
608 vect_permute_store_chain, vectorizable_store,
609 vect_setup_realignment, vect_permute_load_chain,
610 vectorizable_load, vectorizable_condition,
611 vect_create_cond_for_align_checks): Likewise.
612 * tree-vrp.c (build_assert_expr_for): Likewise.
614 2007-03-08 Ian Lance Taylor <iant@google.com>
616 * tree-vrp.c: Include "intl.h".
617 (usable_range_p): New static function.
618 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
619 overflowed values, juts set *strict_overflow_p.
620 (compare_values): Only return -2 if one of the operands is not a
622 (compare_ranges): Call usable_range_p.
623 (compare_range_with_value): Likewise.
624 (vrp_evaluate_conditional_warnv): Rename from
625 vrp_evaluate_conditional. Make static. Change all callers.
626 (vrp_evaluate_conditional): New function.
627 (simplify_div_or_mod_using_ranges): Issue warning about reliance
629 (simplify_abs_using_ranges): Likewise.
630 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
631 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
632 within_stmt parameter.
633 * tree-ssa-propagate.c (fold_predicate_in): Update call to
634 vrp_evaluate_conditional.
635 * tree-ssa-threadedge.c
636 (record_temporary_equivalences_from_stmts_at_dest): Change
637 simplify parameter to take a second tree parameter.
638 (simplify_control_stmt_condition): Likewise.
639 (thread_across_edge): Likewise.
640 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
641 (thread_across_edge): Likewise.
642 * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
644 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
646 * config/i386/i386.h (TARGET_SAHF): New define.
647 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
648 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
649 (x86_sahf): New global variable.
650 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
651 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
652 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
653 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
655 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
656 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
657 when expanding fcomi/sahf based tests.
658 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
659 expanding sahf based alternative. Emit sahf based sequence when
660 optimizing for code size.
661 * config/i386/i386.md (x86_sahf_1): Do not disable for
662 TARGET_64BIT, enable for TARGET_SAHF.
664 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
666 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
667 spurious whitespace from error message.
669 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
672 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
674 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
676 * c-decl.c (grokdeclarator): Disable warnings for anonymous
678 * tree-sra.c (instantiate_element): Propagate disabled warnings
679 from the element itself to the created variable.
681 2007-03-07 Richard Henderson <rth@redhat.com>
684 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
685 silently fix up the stack in the case of a missing register.
687 2007-03-07 Paul Brook <paul@codesourcery.com>
689 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
691 2007-03-07 Joseph Myers <joseph@codesourcery.com>
693 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
695 (phase1_vrs): Use them.
696 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
697 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
698 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
699 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
700 __gnu_Unwind_Restore_WMMXC if required.
701 (_Unwind_VRS_Pop): Implement iWMMXt support.
702 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
703 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
704 gnu_Unwind_Save_WMMXC): Define.
706 2007-03-07 Richard Sandiford <richard@codesourcery.com>
708 * config/vxworks.h (vxworks_override_options): Declare.
709 (VXWORKS_OVERRIDE_OPTIONS): Use it.
710 * config/vxworks.c: Include target.h and toplev.h.
711 (vxworks_override_options): New function.
712 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
714 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
716 * config/s390/s390.c (override_options): Don't emit an error when
717 -mstack-size is used without providing -mstack-guard.
718 (s390_emit_prologue): Choose stack_guard value automatically if not
719 provided via command line.
720 * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
722 2007-03-07 Richard Sandiford <richard@codesourcery.com>
724 * config/i386/i386.c (output_set_got): Add a GOT initialization
725 sequence for VxWorks PIC.
726 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
727 around labels as well as symbols. Use gotoff_operand instead
728 of local_symbolic_operand.
729 (legitimize_pic_address): Use gotoff_operand instead of
730 local_symbolic_operand. Use @GOT accesses for labels as
732 (ix86_output_addr_diff_elt): Use PC-relative rather than
733 GP-relative offsets for VxWorks PIC.
734 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
735 no_new_pseudos. Check whether the returned register is op0.
736 * config/i386/i386.md (tablejump): Use PC-relative rather than
737 GP-relative offsets for VxWorks PIC.
738 * config/i386/predicates.md (gotoff_operand): New predicate.
740 2007-03-06 Richard Sandiford <richard@codesourcery.com>
742 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
744 * config/vxworks-dummy.h: New file.
745 * config/i386/i386.h: Include it.
747 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
749 * dwarf2out.c (is_inlined_entry_point): New
750 (add_high_low_attributes): Emit DW_AT_entry_pc along with
751 DW_AT_ranges if the first subblock is the entry point.
753 2007-03-06 David Daney <ddaney@avtrex.com>
755 * doc/install.texi (mips-*-*): Change recommended binutils
758 2007-03-06 Anatoly Sokolov <aesok@post.ru>
760 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
761 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
763 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
764 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
766 2007-03-06 Jan Hubicka <jh@suse.cz>
768 * errors.h (warning, error, fatal, internal_error): Mark as cold.
769 * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
771 (probably_cold_bb_p): Cold functions are cold.
772 (probably_never_executed_bb_p): Cold functions are cold.
773 (tree_bb_level_predictions): Predict calls to cold functions as not
775 (compute_function_frequency): Check hot/cold attributes.
776 * function.h (function_frequency): Update comments.
777 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
778 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
779 (c_common_att): Add cold and hot.
781 * doc/extend.texi (hot,cold attributes): Document.
783 2007-03-06 Andrew Haley <aph@redhat.com>
785 * function.c (expand_function_end): Move blockage to just after we
786 emit the label for the naked return from the function.
788 2007-03-06 Richard Sandiford <richard@codesourcery.com>
790 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
793 2007-03-06 Jan Hubicka <jh@suse.cz>
795 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
796 loaded for constant large models. Non-large 64bit PIC can do.
797 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
798 * cmodel.h: Add LARGE PIC.
799 * i386.md (UNSPEC_PLTOFF): New.
800 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
802 (*call_1_rex64): Disable for large models.
803 (*call_1_rex64_large): New.
804 (*call_value_1_rex64): Disable for large models.
805 (*call_value_1_rex64_large): New.
807 (set_got_offset_rex64): New.
808 * predicates.md (constant_call_address_operand): For large model
809 constant calls are not possible.
810 * i386-protos.h (construct_plt_address): Declare.
811 * i386.c (override_options): Accept large models.
812 (ix86_expand_prologue): Expand large PIC GOT pointer load.
813 (legitimate_constant_p): Add new UNSPECs.
814 (legitimate_pic_operand_p): Likewise.
815 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
816 (legitimize_pic_address): Do easy RIP relative way for TLS only for
818 (output_pic_addr_const): Add PLTOFF.
819 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
820 (ix86_expand_move): Legitimize pic address when in PIC mode.
821 (construct_plt_address): New function.
822 (ix86_expand_call): Offload the address to register and use GOT pointer
824 * invoke.texi (mcmodel=large): Update documentation.
826 2007-03-06 Richard Henderson <rth@redhat.com>
828 * config/i386/i386.c (x86_use_leave, x86_push_memory,
829 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
830 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
831 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
832 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
833 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
834 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
835 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
836 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
837 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
838 x86_partial_reg_dependency, x86_memory_mismatch_stall,
839 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
840 x86_sse_partial_reg_dependency, x86_sse_split_regs,
841 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
842 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
843 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
844 x86_schedule, x86_use_bt, x86_pad_returns,
845 x86_use_xchgb): Merge into ...
846 (ix86_tune_features): ... here. New array.
847 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
848 x86_bswap): Merge into ...
849 (ix86_arch_features): ... here. New array.
850 (x86_3dnow_a): Remove.
851 (x86_accumulate_outgoing_args): Make static.
852 (x86_arch_always_fancy_math_387): Make static.
853 (ix86_tune_mask, ix86_arch_mask): Move ...
854 (override_options): ... to local variables here. Apply the
855 appropriate mask to each element of ix86_arch_features and
856 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
857 as were done in the old macros.
858 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
859 * config/i386/i386.h (x86_use_leave, x86_push_memory,
860 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
861 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
862 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
863 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
864 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
865 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
866 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
867 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
868 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
869 x86_partial_reg_dependency, x86_memory_mismatch_stall,
870 x86_accumulate_outgoing_args, x86_prologue_using_move,
871 x86_epilogue_using_move, x86_decompose_lea,
872 x86_arch_always_fancy_math_387, x86_shift1,
873 x86_sse_partial_reg_dependency, x86_sse_split_regs,
874 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
875 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
876 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
877 x86_use_incdec, x86_pad_returns, x86_bswap,
878 x86_partial_flag_reg_stall): Remove.
879 (enum ix86_tune_indices): New.
880 (ix86_tune_features): New.
881 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
882 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
883 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
884 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
885 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
886 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
887 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
888 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
889 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
890 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
891 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
892 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
893 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
894 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
895 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
896 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
897 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
898 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
899 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
900 TARGET_EXT_80387_CONSTANTS): Use it.
901 (enum ix86_arch_indices): New.
902 (ix86_arch_features): New.
903 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
904 TARGET_BSWAP): Use it.
905 (ix86_tune_mask, ix86_arch_mask): Remove.
907 2007-03-06 Joseph Myers <joseph@codesourcery.com>
910 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
911 Define using $${sysroot_headers_suffix}.
912 * configure: Regenerate.
913 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
914 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
916 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
917 * gcc.c (print_sysroot_headers_suffix): New.
918 (option_map): Include --print-sysroot-headers-suffix.
919 (display_help): Mention -print-sysroot-headers-suffix.
920 (process_command): Handle -print-sysroot-headers-suffix.
921 (do_spec_1): Append multilib directory to include-fixed path if
922 sysroot suffixes in use.
923 (main): Handle -print-sysroot-headers-suffix.
924 * Makefile.in (start.encap): Don't depend on xlimits.h
926 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
927 limits.h for each multilib in fixinc_list.
928 (fixinc_list, s-fixinc_list): New.
929 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
930 generate them for each multilib in fixinc_list.
931 (stmp-fixproto): Use include-fixed. Run fixproto for each
932 multilib in fixinc_list.
933 (mostlyclean): Don't remove xlimits.h.
934 (clean): Remove include-fixed.
935 (real-install-headers-tar, real-install-headers-cpio,
936 real-install-headers-cp): Don't copy include, only include-fixed.
937 (install-mkheaders): Depend on fixinc_list. Don't depend on
938 xlimits.h. Save limits.h files for each multilib in fixinc_list.
939 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
940 SYSTEM_HEADER_DIR setting in mkheaders.conf.
942 2007-03-06 Jan Hubicka <jh@suse.cz>
944 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
947 2007-03-06 Richard Sandiford <richard@codesourcery.com>
949 * configure.ac: Allow tm_file to contain build-directory files.
950 * configure: Regenerate.
951 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
952 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
953 * config/m68k/print-sysroot-suffix.sh: New file.
955 2007-03-06 Richard Sandiford <richard@codesourcery.com>
957 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
958 of pic_offset_table_rtx if reload_completed.
959 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
960 PIC_OFFSET_TABLE_REGNUM.
961 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
963 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
964 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
966 2007-03-06 Richard Sandiford <richard@codesourcery.com>
968 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
969 functions that call eh_return.
971 2007-03-06 Richard Sandiford <richard@codesourcery.com>
973 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
974 functions that need a constant pool.
976 2007-03-06 Richard Sandiford <richard@codesourcery.com>
979 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
980 (m68k_preferred_reload_class): Likewise.
981 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
982 (SECONDARY_RELOAD_CLASS): Define.
983 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
984 (LIMIT_RELOAD_CLASS): Delete.
985 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
986 registers from storing bytes.
987 (m68k_secondary_reload_class): New function.
988 (m68k_preferred_reload_class): Likewise.
990 2007-03-06 Richard Sandiford <richard@codesourcery.com>
992 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
994 (m68k_expand_prologue): Likewise.
996 2007-03-06 Richard Sandiford <richard@codesourcery.com>
998 * config/m68k/m68k-protos.h (output_sibcall): Declare.
999 (mips_expand_epilogue): Add a bool parameter.
1000 (m68k_legitimize_sibcall_address): Declare.
1001 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
1002 (m68k_expand_epilogue): Add a parameter to select between sibling
1003 and normal epilogues. Only generate a return for the latter.
1004 (m68k_ok_for_sibcall_p): New function.
1005 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
1006 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
1007 (sibcall_value, *sibcall_value): Likewise.
1008 (*call, *call_value): Require !SIBLING_CALL_P.
1009 (epilogue): Update call to m68k_expand_epilogue.
1010 (sibcall_epilogue): New pattern.
1011 * config/m68k/predicates.md (const_call_operand): Say that this
1012 predicate applies to sibling calls too.
1013 (sibcall_operand): New predicate.
1015 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1017 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
1018 alternatives as movsi_cf.
1019 (movsf_cf_hard): Add commentary.
1021 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
1022 Richard Sandiford <richard@codesourcery.com>
1024 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
1025 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
1026 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
1027 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
1028 as being live on exit from an interrupt function.
1029 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
1030 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
1031 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
1032 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
1033 (m68k_interrupt_function_p): Globalize.
1034 (m68k_compute_frame_layout): Remove reverse mask code.
1035 (m68k_emit_movem, m68k_set_frame_related): New functions.
1036 (m68k_output_function_prologue): Delete in favor of...
1037 (m68k_expand_prologue): ...this new function.
1038 (m68k_output_function_epilogue): Delete in favor of...
1039 (m68k_expand_epilogue): ...this new function.
1040 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
1042 (print_operand): Handle %?.
1043 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
1044 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
1045 (prologue, epilogue): New patterns.
1046 (return): Turn into a define_expand.
1047 (*return): New pattern, derived from old "return" pattern. Use rte
1048 rather than rts for interrupt functions. Only use rtd if the pop
1050 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
1051 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
1052 (link, *link, unlink, *unlink, load_got): Likewise.
1054 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1058 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
1059 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
1060 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
1061 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
1062 and m68k_matches_u_p.
1063 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
1064 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
1065 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
1066 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
1067 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
1068 (REG_STRICT_P): New macro.
1069 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
1070 PCREL_GENERAL_OPERAND_OK.
1071 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
1072 m68k_legitimate_base_reg_p.
1073 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
1074 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
1075 (PIC_CASE_VECTOR_ADDRESS): Update comment.
1076 * config/m68k/m68k.c (m68k_address): New structure.
1077 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
1078 (m68k_decompose_index, m68k_legitimate_constant_address_p)
1079 (m68k_jump_table_ref_p, m68k_decompose_address)
1080 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
1081 (m68k_matches_u_p): New functions.
1082 (print_operand_address): Rewrite to use m68k_decompose_index.
1084 2007-03-05 David Taylor <dtaylor@emc.com>
1086 * gcc.c: Correct copyright date in --version output.
1088 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1090 * pa.md: In unamed move patterns, disparge copies between general
1091 and floating point registers using '?' modifier. Don't include 'f'
1092 constraint for register preferences in DImode, SImode, HImode and
1093 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
1094 Remove constraints for copies between general and floating registers
1095 in soft-float DFmode pattern.
1096 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
1100 2007-03-05 Mike Stump <mrs@apple.com>
1102 * c-common.c (targetcm): Add.
1103 * c-opts.c (c_common_handle_option): Handle language specific
1105 * opts.c (handle_option): Verify language for target options, if
1107 * opth-gen.awk: Add CL_LANG_ALL.
1108 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
1109 (TARGETCM_INITIALIZER): Add.
1110 * target.h (struct gcc_targetcm): Add.
1112 * targhooks.c (default_handle_c_option): Add.
1113 * targhooks.h (default_handle_c_option): Add.
1114 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
1116 * config/darwin.opt (iframework): Add.
1117 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
1118 * config/darwin-c.c (handle_c_option): Add.
1119 (TARGET_HANDLE_C_OPTION): Add.
1121 * doc/invoke.texi (Darwin Options): Add -iframework.
1123 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1125 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
1128 2007-03-05 Ian Lance Taylor <iant@google.com>
1130 * c.opt (fgnu89-inline): New option.
1131 * c-opts.c (c_common_post_options): Set default value for
1133 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
1134 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
1136 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
1137 (grokdeclarator, start_function): Likewise.
1138 * c-cppbuiltin.c (c_cpp_builtins): Define either
1139 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
1140 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
1141 (C Dialect Options): Document -fgnu89-inline.
1142 * doc/extend.texi (Function Attributes): Explain what the
1143 gnu_inline attribute does.
1144 * doc/cpp.texi (Common Predefined Macros): Document
1145 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1147 2007-03-05 Ian Lance Taylor <iant@google.com>
1149 PR tree-optimization/31034
1150 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
1151 half-range if the other side is an overflow infinity.
1153 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1155 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
1156 (bfin*-linux-uclibc*): New configuration.
1157 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
1159 * config/bfin/linux.h: New file.
1160 * config/bfin/libgcc-bfin.ver: New file.
1161 * config/bfin/t-bfin-uclinux: New file.
1162 * config/bfin/t-bfin-linux: New file.
1163 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
1164 (TARGET_OS_CPP_BUILTINS): New macro.
1166 2007-03-05 Richard Guenther <rguenther@suse.de>
1168 * fold-const.c (fold_binary): Remove duplicate folding
1169 of comparison of non-null ADDR_EXPR against null.
1171 2007-03-05 Richard Guenther <rguenther@suse.de>
1172 Dorit Nuzman <dorit@il.ibm.com>
1174 PR tree-optimization/26420
1175 * tree-vectorizer.c (vectorize_loops): Bail out early if there
1176 are no loops in the function. Only print the number of
1177 vectorized loops if it is greater than zero or we are supposed
1178 to print information about unvectorized loops.
1180 2007-03-05 Revital Eres <eres@il.ibm.com>
1182 * gcc.dg/var-expand1.c: New test.
1183 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
1184 when an accumulator is expanded.
1186 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1189 * c-common.c (convert_and_check): Don't give warnings for
1190 conversion if 'expr' already overflowed.
1192 2007-03-04 Roger Sayle <roger@eyesopen.com>
1195 * fold-const.c (fold_comparison): Enforce type consistency when
1196 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
1198 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
1200 * tree-ssa-address.c (create_mem_ref): Do not put an expression
1201 containing a cast to the base of TARGET_MEM_REF.
1203 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
1205 * tree.c (tree_contains_struct_check_failed): Remove spurious
1206 whitespace from error message.
1208 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
1211 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
1212 instead of precision.
1214 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
1215 Nathan Sidwell <nathan@codesourcery.com>
1217 * emit-rtl.c (find_auto_inc): New.
1218 (try_split): recreate REG_INC notes,
1219 Use regular for loops rather than whiles.
1221 2007-03-03 Andreas Schwab <schwab@suse.de>
1223 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
1224 * configure: Regenerate.
1226 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1228 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
1229 flag_rounding_math, not flag_unsafe_math_optimizations.
1231 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
1233 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
1234 alpha_fold_vector_minmax): Likewise.
1235 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
1236 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
1238 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
1240 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
1241 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
1242 if the lhs has side-effects.
1243 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
1245 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
1247 * config/i386/i386.h (TUNEMASK): Remove define.
1248 (ARCHMASK): Remove define.
1249 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
1250 Use ix86_arch_mask variable instead of ARCHMASK.
1251 * config/i386/i386.c (override_options): Ditto.
1252 (standard_80387_constant_p): Ditto.
1254 2007-03-02 Ian Lance Taylor <iant@google.com>
1256 Used signed infinities in VRP.
1257 * tree-vrp.c (uses_overflow_infinity): New static function.
1258 (supports_overflow_infinity): New static function.
1259 (make_overflow_infinity): New static function.
1260 (negative_overflow_infinity): New static function.
1261 (positive_overflow_infinity): New static function.
1262 (is_negative_overflow_infinity): New static function.
1263 (is_positive_overflow_infinity): New static function.
1264 (is_overflow_infinity): New static function.
1265 (overflow_infinity_range_p): New static function.
1266 (compare_values_warnv): New function split out of compare_values.
1267 (compare_value): Call it.
1268 (set_value_range_to_nonnegative): Add overflow_infinity
1269 parameter. Change caller.
1270 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
1272 (vrp_expr_computes_nonzero): Likewise.
1273 (compare_ranges, compare_range_with_value): Likewise.
1274 (compare_name_with_value, compare_names): Likewise.
1275 (vrp_evaluate_conditional): Likewise.
1276 (set_value_range): Handle infinity
1277 (vrp_operand_equal_p, operand_less_p): Likewise.
1278 (extract_range_from_assert): Likewise.
1279 (vrp_int_const_binop): Likewise.
1280 (extract_range_from_binary_expr): Likewise.
1281 (extract_range_from_unary_expr): Likewise.
1282 (extract_range_from_comparison): Likewise.
1283 (extract_range_from_expr): Likewise.
1284 (dump_value_range): Likewise.
1285 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
1286 (test_for_singularity): Likewise.
1287 (vrp_int_const_binop): Remove inline qualifier.
1288 (adjust_range_with_scev): Add comment.
1289 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1291 2007-03-02 Diego Novillo <dnovillo@redhat.com>
1293 * tree-ssa-structalias.c (could_have_pointers): Tidy.
1294 (get_constraint_for): Likewise.
1295 (do_structure_copy): Likewise.
1296 (find_func_aliases): Fix references to MODIFY_EXPR.
1297 (intra_create_variable_infos): Tidy.
1298 * tree-ssa-operands.c (add_virtual_operand): Add argument
1300 When adding members of alias sets, if IS_CALL_SITE is true and
1301 the symbol is not call-clobbered, skip it.
1304 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
1306 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
1307 entry by means of emit_insn_at_entry.
1309 2007-03-02 Richard Henderson <rth@redhat.com>
1311 * expr.h (promoted_input_arg): Remove decl.
1312 * function.c (promoted_input_arg): Merge into ...
1313 * combine.c (setup_incoming_promotions): ... only caller.
1314 Rearrange to avoid double loop.
1316 2007-03-02 Ben Elliston <bje@au.ibm.com>
1317 Peter Bergner <bergner@vnet.ibm.com>
1318 Janis Johnson <janis187@us.ibm.com>
1320 * config/rs6000/dfp.md: New file.
1321 * config/rs6000/rs6000.md: Include dfp.md.
1322 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
1323 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
1324 and TDmode decimal float modes in FP registers.
1325 (num_insns_constant): Likewise.
1326 (rs6000_legitimate_offset_address_p): Likewise.
1327 (rs6000_legitimize_address): Likewise.
1328 (rs6000_legitimize_reload_address): Likewise.
1329 (rs6000_legitimate_address): Likewise.
1330 (rs6000_emit_move): Likewise.
1331 (function_arg_boundary): Likewise.
1332 (function_arg_advance): Likewise.
1333 (rs6000_darwin64_record_arg_recurse): Likewise.
1334 (function_arg): Likewise.
1335 (rs6000_gimplify_va_arg): Likewise.
1336 (rs6000_split_multireg_move): Likewise.
1337 (rs6000_output_function_epilogue): Likewise.
1338 (rs6000_output_function_epilogue): Likewise.
1339 (rs6000_register_move_cost): Likewise.
1340 (rs6000_function_value): Likewise.
1341 (rs6000_libcall_value): Likewise.
1343 2007-03-02 Richard Sandiford <richard@codesourcery.com>
1345 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
1347 2007-03-02 Richard Sandiford <richard@codesourcery.com>
1349 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
1350 Use $MULTIDIR to choose between the kernel and RTP headers,
1351 and use $WIND_BASE and $WIND_USR to locate them.
1353 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
1355 * config/i386/i386.c (override_options): Put initialization of
1356 ix86_tune_mask and ix86_arch_mask to the correct place.
1358 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
1359 Michael Meissner <michael.meissner@amd.com>
1362 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
1364 (TARGET_CMOVE): Use ARCHMASK.
1365 (TARGET_CMPXCHG): Ditto.
1366 (TARGET_CMPXCHG8B): Ditto.
1367 (TARGET_XADD): Ditto.
1368 (TARGET_BSWAP): Ditto.
1369 * config/i386/i386.c (ix86_tune_mask): New global variable.
1370 (ix86_arch_mask): Ditto.
1371 (override_options): Initialize ix86_tune_mask and
1372 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
1375 2007-03-02 Ben Elliston <bje@au.ibm.com>
1378 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
1380 2007-03-02 Joseph Myers <joseph@codesourcery.com>
1382 * target.h (init_dwarf_reg_sizes_extra): New target hook.
1383 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
1384 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
1385 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
1387 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
1388 rs6000_init_dwarf_reg_sizes_extra): New.
1389 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
1390 SPE register high parts.
1392 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
1394 * Makefile.in: Add install-pdf target as
1395 copied from automake v1.10 rules.
1396 * configure.ac: Add install-pdf to target list.
1397 * configure: Regenerate.
1399 2007-03-01 Paul Brook <paul@codesourcery.com>
1401 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
1402 modes to LDRD for DImode.
1403 (output_move_double): Fixup out of range ldrd/strd.
1404 (vfp_secondary_reload_class): Rename...
1405 (coproc_secondary_reload_class): ... to this. Add wb argument.
1406 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
1407 coproc_secondary_reload_class for CLASS_IWMMXT.
1408 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
1409 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
1411 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
1413 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the unroll
1414 factor by the estimated number of iterations.
1415 (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
1418 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
1419 decode_caches_intel, detect_caches_intel): New functions.
1420 (host_detect_local_cpu): Use detect_caches_amd and
1421 detect_caches_intel.
1423 2007-03-01 Richard Henderson <rth@redhat.com>
1425 * expr.c (emit_move_complex_push): Export.
1426 (emit_move_complex_parts): Split out from ...
1427 (emit_move_complex): ... here.
1428 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
1429 * config/i386/i386.md (movcdi): New.
1431 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
1433 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
1434 size of mode1 to check for tieable modes in MMX case.
1436 2007-03-01 Richard Sandiford <richard@codesourcery.com>
1438 * Makefile.in (rtlanal.o): Depend on tree.h.
1439 * rtl.h (offset_within_section_p, split_const): Declare.
1440 * rtlanal.c: Include tree.h.
1441 (offset_within_block_p): New function, taken from
1442 mips_offset_within_object_p.
1443 (split_const): New function, taken from mips_split_const.
1444 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
1446 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
1447 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
1448 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
1449 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
1450 (m68k_illegitimate_symbolic_constant_p): New function.
1451 * config/m68k/m68k.md (movsi): Remove misleading predicates.
1452 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
1453 symbolic constant that might be outside the symbol's section,
1454 move the symbol first and then add the offset.
1455 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
1457 * config/mips/mips.c (mips_split_const): Delete.
1458 (mips_offset_within_object_p): Delete.
1459 (mips_symbolic_constant_p): Use offset_within_section_p and
1460 split_const instead of mips_offset_within_object_p and
1462 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
1463 (mips_legitimize_const_move, print_operand_reloc)
1464 (mips_dangerous_for_la25_p): Use split_const instead of
1467 2007-02-28 Eric Christopher <echristo@apple.com>
1469 * Makefile.in (install-include-dir): Don't rm -rf include.
1471 2007-02-28 Richard Guenther <rguenther@suse.de>
1474 * fold-const.c (fold_binary): Do not associate expressions
1475 with more than one variable for integer types that do not wrap.
1477 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
1479 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
1480 Delete, and replace with...
1481 (fold_builtin_call_array): This. Update callers to use it.
1482 * fold-const.c (fold_build_call_list): Delete, and replace with...
1483 (fold_build_call_array): This.
1484 (fold_build_call_list_initializer): Delete, and replace with...
1485 (fold_build_call_array_initializer): This.
1486 * tree.h: Update declarations to reflect above changes.
1488 * c-typeck.c (build_function_call): Store converted arguments
1489 in a stack-allocated array instead of building a list.
1490 (convert_arguments): Store arguments in the array passed in as an
1491 argument, and return the actual number of arguments.
1492 * c-format.c: (check_function_format): Pass arguments in an
1493 array instead of a list.
1494 * c-common.c (check_function_nonnull): Likewise.
1495 (check_function_sentinel): Likewise.
1496 (check_function_arguments): Likewise.
1497 * c-common.h: Update declarations to reflect above changes.
1499 2007-02-28 Jan Hubicka <jh@suse.cz>
1501 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
1502 PRED_NEGATIVE_RETURN): Update outcomes.
1504 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
1506 * calls.c (emit_library_call_value_1): Handle partial registers
1507 correctly when building up CALL_INSN_FUNCTION_USAGE.
1509 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1511 * pa/predicates.md (move_src_operand): Allow zero for mode.
1512 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
1515 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
1518 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
1519 *movv2df_internal): Enable pattern only for valid operand
1521 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
1522 tie only 128bit modes. For MMX registers, tie only 64bit modes.
1524 2007-02-27 Mike Stump <mrs@apple.com>
1526 * config/darwin-crt3.c: Avoid compilation when compiling for a
1529 2007-02-27 Joseph Myers <joseph@codesourcery.com>
1531 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
1533 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
1534 for fixed headers and limits.h.
1535 (install-include-dir, install-headers-tar, install-headers-cpio,
1536 install-headers-cp, real-install-headers-tar,
1537 real-install-headers-cpio, real-install-headers-cp): Handle
1538 include-fixed as well as include.
1539 (install-mkheaders): Don't install files that go only in include
1541 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
1542 from GCC_INCLUDE_DIR.
1543 * gcc.c (process_command): Remove special -BstageN/ handling.
1544 (do_spec_1): Add include-fixed directories.
1546 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
1548 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
1550 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
1552 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
1555 2007-02-27 Mark Mitchell <mark@codesourcery.com>
1557 * c-common.c (get_priority): Add check for
1558 SUPPORTS_INIT_PRIORITY.
1560 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
1562 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
1564 * config/bfin/bfin.c: Include "cfglayout.h".
1565 (MAX_LSETUP_DISTANCE): New macro.
1566 (struct loop_info): New members incoming, incoming_src and
1567 incoming_dest. Delete member predecessor.
1568 (length_for_loop): New function.
1569 (bfin_optimize_loop): Handle more different loop structures.
1570 (bfin_discover_loop): Rework detection of predecessor blocks by
1571 examining incoming edges.
1572 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
1574 (bfin_reorder_loops): New function.
1575 (bfin_reorg_loops): Use these three new functions.
1577 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
1578 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
1579 (CONSTRAINT_LEN): Add entry for 'q'.
1580 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
1581 Add 'q' constraints.
1582 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
1583 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
1585 * config/bfin/bfin.md (add_with_carry): New pattern.
1586 (s_or_u, su_optab, su_modifier): New code macros/attrs.
1587 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
1588 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
1589 support unsigned multiplies too. Removed incorrect commutativity from
1590 operand 1 constraint where appropriate.
1591 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
1593 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
1594 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
1596 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
1597 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
1598 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
1599 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
1600 usmulhisi_hh_huh): New patterns.
1602 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1603 lshifthi3): Fix output template to use half reg for operand 2.
1605 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
1608 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
1610 2007-02-27 Andreas Schwab <schwab@suse.de>
1612 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
1614 2007-02-27 Jan Hubicka <jh@suse.cz>
1616 * predict.c (last_basic_block_p): Remove.
1617 (tree_estimate_probability): Update return heuristic for commonized
1620 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
1622 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
1624 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
1626 * doc/include/gcc-common.texi (versionsubtitle): New macro.
1627 * doc/cpp.texi: Standardize title page.
1628 * doc/cppinternals.texi: Likewise.
1629 * doc/gcc.texi: Standardize title page, remove version number
1630 from copyright page.
1631 * doc/gccint.texi: Likewise.
1632 * doc/install.texi: Standardize title page, add table of
1635 2007-02-26 Jan Hubicka <jh@suse.cz>
1637 * predict.def: Set outcomes according to more recent results.
1638 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
1639 Remove dead predictors.
1640 * predict.c (return_prediction): Fix pasto.
1642 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
1644 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
1645 change; avoid a memory leak when returning early.
1647 2007-02-26 Mark Mitchell <mark@codesourcery.com>
1649 * c-decl.c (static_ctors): Move to c-common.c.
1650 (static_dtors): Likewise.
1651 (finish_function): Use c_record_cdtor_fn.
1652 (build_cdtor): Move to c-common.c.
1653 (c_write_global_declarations): Use c_build_cdtor_fns.
1654 * c-common.h (static_ctors): Declare.
1655 (static_dtors): Likewise.
1656 (c_record_cdtor_fn): Likewise.
1657 (c_build_cdtor_fns): Likewise.
1658 * c-common.c (static_ctors): New variable.
1659 (static_dtors): Likewise.
1660 (c_record_cdtor_fn): New function.
1661 (build_cdtor): Move from c-decl.c
1662 (c_build_cdtor_fns): New function.
1664 * output.h (assemble_addr_to_section): Declare.
1665 (get_cdtor_priority_section): Likewise.
1666 * varasm.c (assemble_addr_to_section): New function.
1667 (get_cdtor_priority_section): Likewise.
1668 (default_named_section_asm_out_destructor): Use them.
1669 (destor_dtor_section_asm_out_destructor): Likewise.
1670 (default_named_section_asm_out_constructor): Likewise.
1671 (default_ctor_section_asm_out_constructor): Likewise.
1672 * config.gcc (*-*-vxworks*): Include vxworks.o.
1673 * config/t-vxworks (vxworks.o): New target.
1674 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
1675 (TARGET_ASM_CONSTRUCTOR): Define.
1676 (TARGET_ASM_DESTRUCTOR): Likewise.
1677 (vxworks_asm_out_constructor): Declare.
1678 (vxworks_asm_out_destructor): Likewise.
1680 * c-common.c (get_priority): Check that we have not just an
1681 INTEGER_CST, but an integer constant with integeral type.
1683 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
1685 PR tree-optimization/30938
1686 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
1687 use &dt[nargs-1] instead of &dt[nargs] in the call to
1688 vect_is_simple_use().
1690 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
1692 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
1693 from register elimination as PRE_MODIFY / POST_MODIFY increments.
1694 Do not attempt to handle MEM inside auto-inc expressions.
1695 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
1696 of a register modified by an auto-inc expression. However, do handle
1697 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
1698 (elimination_effects): Prohibit elimination of a register modified
1699 by an auto-inc expression. Disable register elimination rules whose
1700 target register is modified by an auto-inc expression with variable
1703 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
1705 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
1707 (array_at_struct_end_p): New function.
1708 (idx_infer_loop_bounds): Use it.
1709 (estimate_numbers_of_iterations_loop): Export.
1710 * predict.c (predict_loops): Use estimated_loop_iterations_int.
1711 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
1712 (tree_estimate_probability): Call record_loop_exits.
1713 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
1714 (estimated_loop_iterations, estimated_loop_iterations_int,
1715 estimated_loop_iterations_tree): New functions.
1716 (analyze_siv_subscript_cst_affine,
1717 compute_overlap_steps_for_affine_1_2,
1718 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
1719 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
1720 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
1721 (PRED_LOOP_ITERATIONS_GUESSED): New.
1722 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
1723 * cfgloop.h (estimate_numbers_of_iterations_loop,
1724 estimated_loop_iterations_int): Declare.
1726 2007-02-25 Mark Mitchell <mark@codesourcery.com>
1728 * doc/extend.texi: Document optional priority argument to
1729 constructors and destructors.
1730 * tree.c (init_priority_for_decl): Adjust GTY markers.
1731 (init_ttree): Use priority-info hash functions for
1732 init_priority_for_decl.
1733 (tree_map_eq): Rename to ...
1734 (tree_map_base_eq): ... this.
1735 (tree_map_marked_p): Rename to ...
1736 (tree_map_base_marked_p): ... this.
1737 (tree_map_base_hash): New function.
1738 (decl_init_priority_lookup): Rework.
1739 (decl_fini_priority_lookup): New function.
1740 (decl_priority_info): New function.
1741 (decl_init_priority_insert): Use it.
1742 (decl_fini_priority_insert): Likewise.
1743 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
1745 (decl_restrict_base_insert): Likewise.
1746 (decl_debug_expr_insert): Likewise.
1747 (decl_value_expr_lookup): Likewise.
1748 (decl_value_expr_insert): Likewise.
1749 * tree.h (priority_type): New type.
1750 (decl_init_priority_lookup): Use priority_type.
1751 (decl_fini_priority_lookup): New function.
1752 (decl_init_priority_insert): Use priority_type.
1753 (decl_fini_priority_insert): New function.
1754 (DECL_HAS_INIT_PRIORITY): Tweak comments.
1755 (DECL_INIT_PRIORITY): Likewise.
1756 (SET_DECL_INIT_PRIORITY): Add comment.
1757 (DECL_FINI_PRIORITY): New macro.
1758 (SET_DECL_FINI_PRIORITY): Likewise.
1759 (DEFAULT_INIT_PRIORITY): Document.
1760 (MAX_INIT_PRIORITY): Likewise.
1761 (MAX_RESERVED_INIT_PRIORITY): Likewise.
1762 (tree_map_base): New type.
1763 (tree_map_base_eq): New function.
1764 (tree_map_base_hash): Likewise.
1765 (tree_map_base_marked_p): Likewise.
1766 (tree_map): Inherit from tree_map_base.
1767 (tree_map_eq): Make it a macro.
1768 (tree_map_marked_p): Likewise.
1769 (tree_int_map): Inherit from tree_map_base.
1770 (tree_int_map_eq): Make it a macro.
1771 (tree_int_map_hash): Likewise.
1772 (tree_int_map_marked_p): Likewise.
1773 (tree_priority_map): New type.
1774 (tree_priority_map_eq): New macro.
1775 (tree_priority_map_hash): Likewise.
1776 (tree_priority_map_marked_p): Likewise.
1777 * varasm.c (emults_decl): Adjust for refactoring of tree_map
1779 (emutls_common_1): Likewise.
1780 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
1781 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
1782 of tree_map hierarchy.
1783 * tree-cfg.c (move_stmt_r): Likewise.
1784 (new_label_mapper): Likewise.
1785 * c-tree.h (c_expand_body): Move to ...
1786 * c-common.h (c_expand_body): ... here.
1787 * c-decl.c (c_expand_body): Move to ...
1788 * c-common.c (c_expand_body): ... here.
1789 (c_common_attribute_table): Allow 1 argument for the constructor
1790 and destructor attributes.
1791 (get_priority): New function.
1792 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
1793 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
1795 2007-02-24 Jan Hubicka <jh@suse.cz>
1798 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
1800 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
1801 Jan Hubicka <jh@suse.cz>
1804 * i386.c (counter_mode): New function.
1805 (expand_set_or_movmem_via_loop): Use it.
1806 (expand_movmem_epilogue): Likewise; fix pasto.
1807 (ix86_expand_movmem): Do emit guard even for constant counts.
1808 (ix86_expand_setmem): Likewise.
1810 2007-02-25 Nick Clifton <nickc@redhat.com>
1812 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
1813 (JUMP_TABLES_IN_TEXT_SECTION): Define.
1815 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
1818 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
1819 count argument with 0x10, not with 0x16.
1820 (expand_setmem_epilogue): Ditto.
1822 2007-02-24 Mike Stump <mrs@apple.com>
1824 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
1827 2007-02-24 Richard Guenther <rguenther@suse.de>
1830 * fold-const.c (fold_binary): Fold x +- CST op x for
1831 EQ_EXPR and NE_EXPR.
1833 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1835 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
1837 2007-02-24 Jan Hubicka <jh@suse.cz>
1839 * cgraphunit.c (decide_is_function_needed): Honor
1840 -fkeep-inline-functions.
1842 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1844 * builtins.c (fold_builtin_modf): New.
1845 (fold_builtin_2): Use it.
1847 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
1849 * loop-iv.c (implies_p): Detect additional cases where A implies B.
1850 (determine_max_iter): Take additional LOOP arg; all callers changed.
1851 Lose broken logic dealing with PLUS. Try to limit the upper bound by
1852 one using simplifications.
1853 (simplify_using_initial_values): Return if the expression becomes
1854 invalid due to altered regs.
1856 2007-02-23 DJ Delorie <dj@redhat.com>
1858 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
1860 2007-02-23 Mike Stump <mrs@apple.com>
1862 * tlink.c (scan_linker_output): Parse linker messages from
1863 darwin9's linker better.
1865 2007-02-23 Steve Ellcey <sje@cup.hp.com>
1868 * varpool.c (varpool_assemble_pending_decls): Set
1869 varpool_last_needed_node to null.
1871 2007-02-23 DJ Delorie <dj@redhat.com>
1873 * config/i386/i386.c (ix86_data_alignment): Don't specify an
1874 alignment bigger than the object file can handle.
1876 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
1879 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
1880 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
1881 (*movsf_1): Penalize MMX moves.
1883 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
1885 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
1886 2^32-1 or more times unless flag_unsafe_loop_optimizations.
1888 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
1890 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1892 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
1893 (fold_builtin_1): Use them.
1894 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
1895 BUILT_IN_SIGNIFICAND.
1897 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
1899 * config/i386/i386.c (bdesc_1arg): Initialize
1900 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
1901 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
1902 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
1903 and IX86_BUILTIN_MOVSLDUP.
1905 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
1907 PR rtl-optimization/30841
1908 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
1910 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1912 * builtins.c (fold_builtin_frexp): New.
1913 (fold_builtin_2): Use it.
1915 2007-02-22 Mark Mitchell <mark@codesourcery.com>
1917 * doc/invoke.texi (Spec Files): Document getenv spec function.
1919 * gcc.c (getenv_spec_function): New function.
1920 (static_spec_functions): Add it.
1921 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
1922 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
1925 2007-02-22 Michael Matz <matz@suse.de
1928 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
1929 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
1931 2007-02-22 Ian Lance Taylor <iant@google.com>
1934 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
1935 (mem_loc_descriptor): Call it.
1937 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
1938 Ira Rosen <irar@il.ibm.com>
1940 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
1942 2007-02-22 Ira Rosen <irar@il.ibm.com>
1944 PR tree-optimization/30843
1945 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
1946 stores only after all the group is vectorized.
1948 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
1950 PR tree-optimization/30858
1951 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
1952 in the reduction cycle have a single use in the loop.
1953 * tree-vectorizer.h (relevant): Add documentation.
1955 2007-02-20 Mike Stump <mrs@apple.com>
1957 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
1958 * configure: Regenerate.
1960 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1962 Change the defaults of some parameters and options.
1963 * config/spu/spu-protos.h (spu_optimization_options): Declare.
1964 * config/spu/spu.c (spu_optimization_options): Add.
1965 (spu_override_options): Change params in spu_optimization_options.
1966 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
1968 Register 127 is only 16 byte aligned when used as a frame pointer.
1969 * config/spu/spu-protos.h (spu_init_expanders): Declare.
1970 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
1971 HARD_FRAME_POINTER_REGNUM.
1972 (spu_legitimate_address): Use regno_aligned_for_reload.
1973 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
1974 aligned when frame_pointer_needed is true.
1975 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
1977 * config/spu/spu.h (INIT_EXPANDERS): Define.
1979 Make sure shift and rotate instructions have valid immediate operands.
1980 * config/spu/predicates.md (spu_shift_operand): Remove.
1981 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
1982 * config/spu/constraints.md (W, O): Extend range.
1983 * config/spu/spu.md (umask, nmask): Define.
1984 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
1985 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
1986 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
1987 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
1988 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
1989 (lshr<mode>3_reg): Fix rtl description.
1991 Make sure mulhisi immediate operands are valid.
1992 * config/spu/predicates.md (imm_K_operand): Add.
1993 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
1995 Generate constants using fsmbi and andi.
1996 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
1997 (print_operand, spu_split_immediate, classify_immediate,
1998 fsmbi_const_p): Handle IC_FSMBI2.
2000 Correctly handle a CONST_VECTOR containing symbols.
2001 * config/spu/spu.c (print_operand): Handle HIGH correctly.
2002 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
2003 (immediate_load_p): Allow symbols that use 2 instructions to create.
2004 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
2005 with symbols when flag_pic is set.
2006 (const_vector_immediate_p): New.
2007 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
2008 accept a CONST_VECTOR with symbols.
2009 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
2010 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
2012 * config/spu/spu.md (high, low): Delete.
2013 (low_<mode>): Define.
2015 Remove INTRmode and INTR_REGNUM, which didn't work.
2016 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
2018 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
2019 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
2020 peephole2 pattern): Don't use INTR or 131.
2021 (movintrcc): Delete.
2022 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
2023 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
2024 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
2025 (UNSPEC_SET_INTR): Add.
2026 * config/spu/spu-modes.def (INTR): Remove.
2028 More accurate warnings about run-time relocations.
2029 * config/spu/spu.c (reloc_diagnostic): Test in_section.
2031 Correctly warn about immediate arguments to specific intrinsics.
2032 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
2033 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
2034 the instruction predicate.
2036 Fix tree check errors with latest update.
2037 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
2039 (spu_expand_builtin): Use CALL_EXPR_FN.
2041 Add missing specific intrinsics.
2042 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
2044 * config/spu/spu_internals.h: Ditto.
2046 Fix incorrect operand modifiers.
2047 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
2048 * config/spu/spu.md (xor<mode>3): Change %S to %J.
2050 Optimize one case of zero_extend of a vec_select.
2051 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
2053 Accept any immediate for hbr.
2054 * config/spu/spu.md (hbr): Change s constraints to i.
2056 2007-02-21 Paul Brook <paul@codesourcery.com>
2058 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
2059 condexec_count when skipping USE and CLOBBER.
2061 2007-02-21 Nick Clifton <nickc@redhat.com>
2063 * common.opt (Warray-bounds): Add Warning attribute.
2064 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
2066 (fsized-zeroes): Add Optimization attribute.
2067 (fsplit-wide-types, ftree-scev-cprop): Likewise.
2068 * c.opt (Wc++0x-compat): Add Warning attribute.
2070 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
2073 * reload1.c (eliminate_regs_in_insn): In the single_set special
2074 case, attempt to re-recognize the insn before falling back to
2075 having reload fix it up.
2077 2007-02-20 Eric Christopher <echristo@gmail.com>
2079 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
2080 Rewrite accordingly.
2081 (frv_read_iacc_argument): Ditto.
2082 (frv_expand_set_builtin): Take a call instead of arglist, update for
2084 (frv_expand_unop_builtin): Ditto.
2085 (frv_expand_binop_builtin): Ditto.
2086 (frv_expand_cut_builtin): Ditto.
2087 (frv_expand_binopimm_builtin): Ditto.
2088 (frv_expand_voidbinop_builtin): Ditto.
2089 (frv_expand_int_void2arg): Ditto.
2090 (frv_expand_prefetches): Ditto.
2091 (frv_expand_voidtriop_builtin): Ditto.
2092 (frv_expand_voidaccop_builtin): Ditto.
2093 (frv_expand_load_builtin): Ditto.
2094 (frv_expand_store_builtin): Ditto.
2095 (frv_expand_mdpackh_builtin): Ditto.
2096 (frv_expand_mclracc_builtin): Ditto.
2097 (frv_expand_mrdacc_builtin): Ditto.
2098 (frv_expand_mwtacc_builtin): Ditto.
2099 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
2102 2007-02-20 Janis Johnson <janis187@us.ibm.com>
2104 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
2105 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
2107 (HAVE_GAS_DFP): Check for assembler support of decimal floating
2109 * configure: Regenerate.
2110 * config.in: Regenerate.
2111 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
2112 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
2113 masks to power6 and power6x and to POWERPC_MASKS.
2114 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2116 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
2117 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
2118 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2119 Access PROTOTYPE as variable, not mask.
2121 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
2123 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
2124 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
2125 * combine.c (adjust_for_new_dest): Use it.
2126 * postreload.c (reload_combine): Likewise.
2128 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
2130 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
2131 notes on an insn with multiple sets, even if single_set returns
2132 non-NULL for that insn.
2134 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2136 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
2139 2007-02-20 Geoffrey Keating <geoffk@apple.com>
2141 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
2142 if user didn't pass it.
2143 * config/i386/darwin.h (CC1_SPEC): Likewise.
2144 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
2145 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
2146 -mmacosx-version-min.
2148 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2149 Uros Bizjak <ubizjak@gmail.com>
2151 * optabs.h (enum optab_index): Add new OTI_scalb.
2152 (scalb_optab): Define corresponding macro.
2153 * optabs.c (init_optabs): Initialize scalb_optab.
2154 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
2156 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
2157 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
2158 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
2159 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
2160 flag_unsafe_math_optimizations is set.
2162 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
2163 to implement scalbf, scalb and scalbl built-ins as inline x87
2166 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2167 DJ Delorie <dj@redhat.com>
2170 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
2171 (diagnostic_report_diagnostic): ... here, and turn them into real
2172 errors. If warnings are inhibited, no need to do anything.
2174 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
2176 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
2177 better code generation.
2179 2007-02-20 Ben Elliston <bje@au.ibm.com>
2181 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
2183 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
2185 * config/alpha/alpha.c, config/alpha/alpha.md,
2186 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
2187 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
2188 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
2189 config/arm/lib1funcs.asm: Follow spelling conventions.
2191 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
2192 config/fr30/fr30.md, config/i386/i386.h,
2193 config/iq2000/iq2000.h, config/iq2000/predicates.md,
2194 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
2195 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
2196 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
2197 config/rs6000/altivec.md, config/rs6000/rs6000.c,
2198 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
2199 config/sparc/sparc.c, config/sparc/sparc.h,
2200 config/sparc/sparc.md, config/spu/constraints.md,
2201 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
2204 2007-02-20 Alan Modra <amodra@bigpond.net.au>
2207 * varasm.c (use_blocks_for_decl_p): Return false for decls with
2210 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
2212 * doc/invoke.texi (-ftree-lrs): Remove.
2214 2007-02-19 Diego Novillo <dnovillo@redhat.com>
2216 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
2219 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
2221 * config/ia64/ia64.c (ia64_expand_builtin): Use the
2222 new CALL_EXPR_FN macro for retrieving the function
2223 declaration of the input expression.
2225 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2227 * c.opt (Waddress): New.
2228 * common.opt (Walways-true): Delete.
2229 (Wstring-literal-comparison): Delete.
2230 * doc/invoke.texi (Warning Options): Delete -Walways-true and
2231 -Wstring-literal-comparison. Add -Waddress.
2233 (Walways-true): Delete.
2234 (Wstring-literal-comparison): Delete.
2235 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
2236 consistently instead of -Walways-true in example.
2237 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
2238 * c-typeck.c (parser_build_binary_op): Replace
2239 -Wstring-literal-comparison and -Walways-true with -Waddress.
2240 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
2243 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
2245 * tree-cfg.c (dump_function_to_file): Be prepared for functions
2246 without DECL_STRUCT_FUNCTION initialized.
2248 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
2250 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
2251 due to calls to functions taking pointers as parameters.
2253 2007-02-19 Richard Henderson <rth@redhat.com>
2256 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
2259 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
2261 * config/s390/s390.c (s390_call_saved_register_used,
2262 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
2263 accessed to the new scheme.
2265 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2267 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
2268 (cris_print_index, cris_print_operand, cris_print_operand_address)
2269 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
2270 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
2271 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
2273 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
2274 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
2275 GO_IF_LEGITIMATE_ADDRESS): Ditto.
2276 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
2277 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
2278 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
2279 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
2280 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
2281 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
2282 (uminsi3, call, call_value): Ditto.
2283 (define_split: indir_to_reg_split, unnamed): Ditto.
2285 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
2287 PR tree-optimization/30975
2288 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
2291 2007-02-18 Eric Christopher <echristo@gmail.com>
2293 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
2294 Remove use of arglist.
2295 (mips_expand_builtin): Remove use of arglist, pass in expr.
2296 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
2297 (mips_expand_builtin_movtf): Ditto.
2298 (mips_expand_builtin_compare): Ditto.
2300 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
2302 * tree-sra.c (sra_build_assignment): Replace assertion
2303 checking with a comment explaining why it can't be done.
2305 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
2308 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
2309 during CALL_EXPR representation conversion.
2310 * tree-ssa-propagate.c (set_rhs): Likewise.
2312 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
2314 * tree-sra.c (sra_build_assignment): Disable assertion checking
2317 2007-02-18 Roger Sayle <roger@eyesopen.com>
2319 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
2320 instead of calling build2 with a GIMPLE_MODIFY_STMT.
2321 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
2323 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
2324 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
2325 gimplify_init_ctor_eval_range, gimple_push_cleanup,
2326 gimplify_omp_for, gimplify_omp_atomic_pipeline,
2327 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
2328 force_gimple_operand): Likewise.
2329 * ipa-cp.c (constant_val_insert): Likewise.
2330 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2331 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
2332 perfect_nestify): Likewise.
2333 * langhooks.c (lhd_omp_assignment): Likewise.
2334 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
2335 lower_copyprivate_clauses, lower_send_clauses,
2336 lower_send_shared_vars, expand_parallel_call,
2337 expand_omp_for_generic, expand_omp_for_static_nochunk,
2338 expand_omp_for_static_chunk, expand_omp_sections,
2339 lower_omp_single_copy, lower_omp_for_lastprivate,
2340 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
2341 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
2342 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
2345 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
2347 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
2348 config/sh/sh.md: Follow spelling conventions.
2350 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
2351 config/frv/predicates.md: Follow spelling conventions.
2353 * config/m68k/linux-unwind.h: Fix a comment typo.
2354 * target.h: Follow spelling conventions.
2356 2007-02-18 Roger Sayle <roger@eyesopen.com>
2358 PR rtl-optimization/28173
2359 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
2360 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
2361 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
2362 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
2363 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
2365 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2367 * builtins.c (fold_builtin_load_exponent): New.
2368 (fold_builtin_2): Use it.
2370 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
2372 PR rtl-optimization/30773
2373 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
2374 if we fail to attach a REG_EQUIV note.
2376 2007-02-18 David Edelsohn <edelsohn@gnu.org>
2377 Roger Sayle <roger@eyesopen.com>
2379 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
2381 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
2383 * calls.c (initialize_argument_information): Pass original EXP
2384 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
2385 code to split complex arguments here, as part of initializing the
2387 (expand_call): Remove code that builds a list of arguments and
2388 inserts implicit arguments into it. Instead, just count how many
2389 implicit arguments there will be so we can determine the size of
2390 the ARGS array, and let initialize_argument_information do the work.
2391 (split_complex_values): Delete unused function.
2393 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
2395 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
2397 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
2399 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
2400 for arg pointer based indexed addressing.
2402 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
2404 * config/ia64/ia64.h, config/ia64/ia64.md,
2405 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
2406 spelling conventions.
2408 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
2410 * config/m68k/m68k.c (split_di): New.
2411 * config/m68k/m68k-protos.h: Declare split_di.
2412 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
2413 Improve predicate handling and split constant shifts.
2415 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
2417 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
2418 parameter for register bitfield operations, general predicates
2421 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
2423 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
2424 * config/m68k/linux-unwind.h: New file.
2426 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
2428 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
2429 config/i386/athlon.md, config/ia64/ia64.md,
2430 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
2431 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
2432 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
2433 tree-ssa-loop-niter.c, tree-vect-analyze.c,
2434 tree-vect-transform.c: Fix comment typos.
2436 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
2438 * sched-deps.c (find_insn_list): Remove.
2439 * sched-int.h: Remove the prototype for find_insn_list.
2441 2007-02-16 Geoffrey Keating <geoffk@apple.com>
2443 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
2445 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
2446 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
2447 darwin_rs6000_override_options.
2448 (C_COMMON_OVERRIDE_OPTIONS): Expect
2449 darwin_macosx_version_min to be non-NULL always.
2450 (TARGET_C99_FUNCTIONS): Likewise.
2451 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
2452 (DARWIN_MINVERSION_SPEC): New.
2453 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
2454 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
2456 (DARWIN_MINVERSION_SPEC): New.
2457 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
2459 * config/darwin-c.c (darwin_cpp_builtins): Expect
2460 darwin_macosx_version_min to be non-NULL always.
2462 * config/rs6000/rs6000.c: Clean up trailing whitespace.
2464 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
2466 * config/i386/i386.h (x86_use_xchgb): New.
2467 (TARGET_USE_XCHGB): New macro.
2468 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
2469 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
2470 Split after reload into bswaphi for shifts of 8.
2471 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
2472 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
2473 or when optimizing for size.
2475 2007-02-16 Richard Guenther <rguenther@suse.de>
2476 Christian Bruel <christian.bruel@st.com>
2478 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
2479 DECLs but prefer SSA_NAMEs over DECLs.
2481 2007-02-16 Richard Guenther <rguenther@suse.de>
2483 * tree-flow-inline.h (single_imm_use_p): Remove.
2484 (zero_imm_uses_p): Likewise.
2485 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
2486 instead of single_imm_use_p.
2487 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
2490 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2493 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
2494 nested double- and backquotes.
2496 2007-02-15 Roger Sayle <roger@eyesopen.com>
2499 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
2500 should be unreachable.
2501 (build2_stat): Allow construction of MODIFY_EXPR at any time.
2502 For the time being redirect GIMPLE_MODIFY_STMT to the new
2503 (renamed) build_gimple_modify_stmt_stat.
2504 (build2_gimple_stat): Rename to...
2505 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
2506 Always build a GIMPLE_MODIFY_STMT node.
2507 * tree.h (build2_gimple, build2_gimple_stat): Delete.
2508 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
2511 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
2512 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
2513 * tree-complex.c (set_component_ssa_name, expand_complex_move,
2514 expand_complex_div_wide): Likewise.
2515 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
2516 * tree-ssa-loop-im.c (schedule_sm): Likewise.
2517 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
2518 * tree-ssa-loop-manip.c (create_iv): Likewise.
2519 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
2520 abs_replacement): Likewise.
2521 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
2522 realify_fake_stores): Likewise.
2524 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
2525 node rather than a GIMPLE_MODIFY_STMT node.
2526 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
2527 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
2529 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
2530 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
2533 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2536 * fold-const.c (fold_comparison): Add back the
2537 folding of constant complex comparisions.
2539 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2542 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
2543 effects unknown to this function, return early.
2545 2007-02-15 Ian Lance Taylor <iant@google.com>
2547 * lower-subreg.c (move_eh_region_note): New static function.
2548 (resolve_simple_move): Call it.
2549 (decompose_multiword_subregs): Track blocks for which we resolve a
2550 simple move which is also a control flow insn. Pass them to
2551 find_many_sub_basic_blocks.
2552 (pass_lower_subreg): Add TODO_verify_flow.
2553 (pass_lower_subreg2): Likewise.
2555 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
2556 Brooks Moses <brooks.moses@codesourcery.com>
2557 Lee Millward <lee.millward@codesourcery.com>
2559 * tree.h (enum tree_code_class): Add tcc_vl_exp.
2560 (VL_EXP_CLASS_P): New.
2561 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
2563 (TREE_OPERAND_CHECK_CODE): Likewise.
2564 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
2565 (TREE_RTL_OPERAND_CHECK): Likewise.
2566 (tree_operand_check_failed): Make second parameter the whole tree
2567 instead of its code. Fixed callers.
2568 (VL_EXP_CHECK): New.
2569 (TREE_OPERAND_LENGTH): New.
2570 (VL_EXP_OPERAND_LENGTH): New.
2571 (CALL_EXPR_FN): New.
2572 (CALL_EXPR_STATIC_CHAIN): New.
2573 (CALL_EXPR_ARGS): New.
2574 (CALL_EXPR_ARG): New.
2575 (call_expr_nargs): New.
2576 (CALL_EXPR_ARGP): New.
2577 (build_nt_call_list): Declare.
2578 (build_vl_exp_stat): Declare.
2579 (build_vl_exp): New.
2580 (build_call_list): Declare.
2581 (build_call_nary): Declare.
2582 (build_call_valist): Declare.
2583 (build_call_array): Declare.
2584 (call_expr_arg): Declare.
2585 (call_expr_argp): Declare.
2586 (call_expr_arglist): Declare.
2587 (fold_build_call_list): Declare.
2588 (fold_build_call_list_initializer): Declare.
2589 (fold_call_expr): Declare to replace fold_builtin.
2590 (fold_builtin_fputs): Update to agree with modified definition.
2591 (fold_builtin_strcpy): Likewise.
2592 (fold_builtin_strncpy): Likewise.
2593 (fold_builtin_memory_chk): Likewise.
2594 (fold_builtin_stxcpy_chk): Likewise.
2595 (fold_builtin_strncpy_chk): Likewise.
2596 (fold_builtin_next_arg): Likewise.
2597 (fold_build_call_expr): Declare.
2598 (fold_builtin_call_list): Declare.
2599 (fold_builtin_call_valist): Declare.
2600 (build_call_expr): Declare.
2601 (validate_arglist): Update to agree with modified definition.
2602 (tree_operand_length): New.
2603 (call_expr_arg_iterator): New.
2604 (init_call_expr_arg_iterator): New.
2605 (next_call_expr_arg): New.
2606 (first_call_expr_arg): New.
2607 (more_call_expr_args_p): New.
2608 (FOR_EACH_CALL_EXPR_ARG): New.
2610 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
2611 and tcc_gimple_stmt.
2612 (tree_code_size): Update documentation. Use sizeof (tree) rather
2613 than sizeof (char *).
2614 (tree_size): Likewise. Add case for tcc_vl_exp.
2615 (tree_node_structure): Add case for tcc_vl_exp.
2616 (contains_placeholder_p): Likewise.
2617 (substitute_in_expr): Likewise.
2618 (substitute_placeholder_in_expr): Likewise.
2619 (stabilize_reference_1): Likewise.
2620 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
2621 to diagnose breakage of this interface for constructing CALL_EXPRs.
2622 (build_nt): Add similar assertion here.
2623 (build_nt_call_list): New.
2624 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
2625 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
2627 (get_callee_fndecl): Use new CALL_EXPR accessors.
2628 (tree_operand_check_failed): Change parameters to pass entire node
2629 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
2630 (process_call_operands): New.
2631 (build_vl_exp_stat): New.
2632 (build_call_list): New.
2633 (build_call_nary): New.
2634 (build_call_valist): New.
2635 (build_call_array): New.
2636 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2637 (call_expr_arglist): New.
2639 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
2640 tcc_vl_exp instead of a fixed-size tcc_expression.
2642 * doc/c-tree.texi (CALL_EXPR): Document new representation and
2643 accessors for CALL_EXPRs.
2644 (AGGR_INIT_EXPR): Likewise.
2646 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
2647 Brooks Moses <brooks.moses@codesourcery.com>
2648 Lee Millward <lee.millward@codesourcery.com>
2650 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
2651 (expand_builtin_nonlocal_goto): Change parameter to be entire
2652 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
2653 (expand_builtin_prefetch): Likewise.
2654 (expand_builtin_classify_type): Likewise.
2655 (mathfn_built_in): Return NULL_TREE instead of 0.
2656 (expand_errno_check): Use new CALL_EXPR accessors.
2657 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
2658 Return NULL_RTX instead of 0.
2659 (expand_builtin_mathfn_2): Likewise.
2660 (expand_builtin_mathfn_3): Likewise.
2661 (expand_builtin_interclass_mathfn): Likewise.
2662 (expand_builtin_sincos): Likewise.
2663 (expand_builtin_cexpi): Likewise.
2664 (expand_builtin_int_roundingfn): Likewise.
2665 (expand_builtin_int_roundingfn_2): Likewise.
2666 (expand_builtin_pow): Likewise.
2667 (expand_builtin_powi): Likewise.
2668 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
2669 of arglist, fixing callers appropriately. Use new CALL_EXPR
2670 accessors and constructors. Return NULL_RTX instead of 0.
2671 (expand_builtin_strstr): Likewise.
2672 (expand_builtin_strchr): Likewise.
2673 (expand_builtin_strrchr): Likewise.
2674 (expand_builtin_strpbrk): Likewise.
2675 (expand_builtin_memcpy): Likewise.
2676 (expand_builtin_mempcpy): Likewise.
2677 (expand_builtin_mempcpy_args): New.
2678 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
2679 (expand_builtin_memmove_args): New.
2680 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
2681 (expand_movstr): Likewise.
2682 (expand_builtin_strcpy): Likewise.
2683 (expand_builtin_strcpy_args): New.
2684 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
2685 (expand_builtin_strncpy): Likewise.
2686 (expand_builtin_memset): Likewise.
2687 (expand_builtin_memset_args): New.
2688 (expand_builtin_bzero): Similarly to expand_builtin_memset.
2689 (expand_builtin_memcmp): Likewise.
2690 (expand_builtin_strcmp): Likewise.
2691 (expand_builtin_strncmp): Likewise.
2692 (expand_builtin_strcat): Likewise.
2693 (expand_builtin_strncat): Likewise.
2694 (expand_builtin_strspn): Likewise.
2695 (expand_builtin_strcspn): Likewise.
2696 (expand_builtin_args_info): Likewise.
2697 (expand_builtin_va_start): Likewise.
2698 (gimplify_va_arg_expr): Likewise.
2699 (expand_builtin_va_end): Likewise.
2700 (expand_builtin_va_copy): Likewise.
2701 (expand_builtin_frame_address): Likewise.
2702 (expand_builtin_alloca): Likewise.
2703 (expand_builtin_bswap): Likewise.
2704 (expand_builtin_unop): Likewise.
2705 (expand_builtin_fputs): Likewise.
2706 (expand_builtin_expect): Likewise.
2707 (expand_builtin_fabs): Likewise.
2708 (expand_builtin_copysign): Likewise.
2709 (expand_builtin_printf): Likewise.
2710 (expand_builtin_fprintf): Likewise.
2711 (expand_builtin_sprintf): Likewise.
2712 (expand_builtin_init_trampoline): Likewise.
2713 (expand_builtin_signbit): Likewise.
2714 (expand_builtin_fork_or_exec): Likewise.
2715 (expand_builtin_sync_operation): Likewise.
2716 (expand_builtin_compare_and_swap): Likewise.
2717 (expand_builtin_lock_test_and_set): Likewise.
2718 (expand_builtin_lock_release): Likewise.
2719 (expand_builtin): Likewise.
2720 (builtin_mathfn_code): Likewise.
2722 (fold_builtin_constant_p): Pass call arguments individually instead
2723 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
2724 accessors and constructors. Return NULL_TREE instead of 0.
2725 (fold_builtin_expect): Likewise.
2726 (fold_builtin_classify_type): Likewise.
2727 (fold_builtin_strlen): Likewise.
2728 (fold_builtin_nan): Likewise.
2729 (integer_valued_real_p): Likewise.
2730 (fold_trunc_transparent_mathfn): Likewise.
2731 (fold_fixed_mathfn): Likewise.
2732 (fold_builtin_cabs): Likewise.
2733 (fold_builtin_sqrt): Likewise.
2734 (fold_builtin_cbrt): Likewise.
2735 (fold_builtin_cos): Likewise.
2736 (fold_builtin_cosh): Likewise.
2737 (fold_builtin_tan): Likewise.
2738 (fold_builtin_sincos): Likewise.
2739 (fold_builtin_cexp): Likewise.
2740 (fold_builtin_trunc): Likewise.
2741 (fold_builtin_floor): Likewise.
2742 (fold_builtin_ceil): Likewise.
2743 (fold_builtin_round): Likewise.
2744 (fold_builtin_int_roundingfn): Likewise.
2745 (fold_builtin_bitop): Likewise.
2746 (fold_builtin_bswap): Likewise.
2747 (fold_builtin_logarithm): Likewise.
2748 (fold_builtin_hypot): Likewise.
2749 (fold_builtin_pow): Likewise.
2750 (fold_builtin_powi): Likewise.
2751 (fold_builtin_exponent): Likewise.
2752 (fold_builtin_memset): Likewise.
2753 (fold_builtin_bzero): Likewise.
2754 (fold_builtin_memory_op): Likewise.
2755 (fold_builtin_bcopy): Deleted; call site changed to invoke
2756 fold_builtin_memory_op directly.
2757 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
2758 (fold_builtin_strncpy): Likewise.
2759 (fold_builtin_memcmp): Likewise.
2760 (fold_builtin_strcmp): Likewise.
2761 (fold_builtin_strncmp): Likewise.
2762 (fold_builtin_signbit): Likewise.
2763 (fold_builtin_copysign): Likewise.
2764 (fold_builtin_isascii): Likewise.
2765 (fold_builtin_toascii): Likewise.
2766 (fold_builtin_isdigit): Likewise.
2767 (fold_builtin_fabs): Likewise.
2768 (fold_builtin_abs): Likewise.
2769 (fold_builtin_fmin_fmax): Likewise.
2770 (fold_builtin_carg): Likewise.
2771 (fold_builtin_classify): Likewise.
2772 (fold_builtin_unordered_cmp): Likewise.
2774 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
2775 New functions split out from fold_builtin_1.
2776 (fold_builtin_n): New.
2777 (fold_builtin_varargs): New.
2778 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
2780 (fold_call_expr): New.
2781 (build_function_call_expr): Rewrite to use new helper function.
2782 (fold_builtin_call_list): New.
2783 (build_call_expr): New.
2784 (fold_builtin_call_valist): New.
2785 (rewrite_call_expr): New.
2786 (validate_arg): New.
2787 (validate_arglist): Change parameter to be entire CALL_EXPR instead
2788 of an arglist. Change return type to bool. Use new CALL_EXPR
2791 (fold_builtin_strstr): Pass call arguments individually instead
2792 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
2793 accessors and constructors. Return NULL_TREE instead of 0.
2794 (fold_builtin_strchr): Likewise.
2795 (fold_builtin_strrchr): Likewise.
2796 (fold_builtin_strpbrk): Likewise.
2797 (fold_builtin_strcat): Likewise.
2798 (fold_builtin_strncat): Likewise.
2799 (fold_builtin_strspn): Likewise.
2800 (fold_builtin_strcspn): Likewise.
2801 (fold_builtin_fputs): Likewise.
2802 (fold_builtin_next_arg): Likewise.
2803 (fold_builtin_sprintf): Likewise.
2805 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
2806 NULL_RTX instead of 0.
2807 (expand_builtin_memory_chk): Likewise.
2808 (maybe_emit_chk_warning): Likewise.
2809 (maybe_emit_sprintf_chk_warning): Likewise.
2811 (fold_builtin_object_size): Pass call arguments individually instead
2812 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
2813 accessors and constructors. Return NULL_TREE instead of 0.
2814 (fold_builtin_memory_chk): Likewise.
2815 (fold_builtin_stxcpy_chk): Likewise.
2816 (fold_builtin_strncpy_chk): Likewise.
2817 (fold_builtin_strcat_chk): Likewise.
2818 (fold_builtin_strcat_chk): Likewise.
2819 (fold_builtin_strncat_chk): Likewise.
2820 (fold_builtin_sprintf_chk): Likewise.
2821 (fold_builtin_snprintf_chk): Likewise.
2822 (fold_builtin_printf): Likewise.
2823 (fold_builtin_vprintf): Likewise.
2825 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
2827 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
2828 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2829 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
2830 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
2831 (fold_unary): Likewise.
2832 (fold_binary): Likewise.
2833 (fold_ternary): Remove CALL_EXPR case, since they are no longer
2834 ternary expressions.
2835 (fold): Add logic for tcc_vl_exp.
2836 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
2837 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2838 (fold_build3_stat): Add assertion to flag broken interface for
2839 constructing CALL_EXPRs.
2840 (fold_build_call_list): New.
2841 (fold_build_call_list_initializer): New.
2842 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
2844 (fold_strip_sign_ops): Likewise.
2846 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
2847 Brooks Moses <brooks.moses@codesourcery.com>
2848 Lee Millward <lee.millward@codesourcery.com>
2850 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
2851 accessors and dump arguments explicitly.
2853 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
2855 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
2857 (print_call_name): Use new CALL_EXPR accessors.
2859 * print-tree.c (print_node): Add case tcc_vl_exp. Print
2860 CALL_EXPR arguments explicitly instead of as a list. Use
2861 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2863 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
2864 (vrp_visit_stmt): Likewise.
2866 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
2867 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
2869 (force_move_till_expr): Likewise.
2871 * targhooks.c (default_external_stack_protect_fail): Use
2872 build_call_expr instead of build_function_call_expr.
2873 (default_hidden_stack_protect_fail): Likewise.
2875 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
2878 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
2879 and walk arguments explicitly.
2881 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
2882 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2883 (expand_simple_operations): Likewise.
2884 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
2886 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
2887 of TREE_CODE_LENGTH.
2888 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
2890 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
2891 instead of TREE_CODE_LENGTH.
2893 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
2894 (tree_ic_transform): Likewise.
2895 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
2896 parameter instead of arglist. Fix callers.
2897 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
2898 (tree_stringops_transform): Likewise.
2899 (tree_indirect_call_to_profile): Likewise.
2900 (tree_stringops_values_to_profile): Likewise.
2902 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
2903 (eliminate_tail_call): Likewise.
2905 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
2907 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2908 Use TREE_OPERAND_LENGTH and generalize to handle any number of
2910 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
2912 * omp-low.c (build_omp_barrier): Use build_call_expr.
2913 (lower_rec_input_clauses): Likewise.
2914 (lower_reduction_clauses): Likewise.
2915 (expand_parallel_call): Likewise.
2916 (maybe_catch_exception): Likewise.
2917 (expand_omp_for_generic): Likewise.
2918 (expand_omp_for_static_nochunk): Likewise.
2919 (expand_omp_sections): Likewise.
2920 (lower_omp_single_simple): Likewise.
2921 (lower_omp_single_copy): Likewise.
2922 (lower_omp_master): Likewise.
2923 (lower_omp_ordered): Likewise.
2924 (lower_omp_critical): Likewise.
2926 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
2927 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
2929 * tree-gimple.c (is_gimple_call_addr): Fix doc.
2930 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
2931 TREE_CODE_LENGTH. Add tcc_vl_exp case.
2933 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
2934 and generalize to handle any number of operands.
2935 (chrec_contains_undetermined): Likewise.
2936 (tree_contains_chrecs): Likewise.
2937 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
2939 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
2941 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
2942 fold_call_expr instead of fold_builtin.
2943 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
2944 match declarations there.
2945 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
2948 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
2949 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2951 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
2952 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
2954 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
2957 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
2958 (execute_cse_sincos): Use new CALL_EXPR accessors.
2960 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
2962 * gimple-low.c (lower_function_body): Use build_call_expr.
2963 (lower_builtin_setjmp): Likewise.
2965 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
2966 (set_storage_via_libcall): Likewise.
2967 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
2968 instead of TREE_CODE_LENGTH.
2969 (expand_expr_real_1): Use new CALL_EXPR accessors.
2971 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
2972 generalize to handle any number of operands.
2973 (TB_parent_eq): Likewise.
2975 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
2976 (strip_builtin_expect): Likewise.
2978 * function.c (gimplify_parameters): Use build_call_expr.
2980 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
2981 instead of TREE_CODE_LENGTH.
2983 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
2984 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
2986 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
2989 * gimplify.c (build_stack_save_restore): Use build_call_expr.
2990 (gimplify_decl_expr): Likewise.
2991 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
2992 Use new CALL_EXPR iterators.
2993 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
2994 (gimplify_modify_expr_to_memset): Likewise.
2995 (gimplify_variable_sized_compare): Likewise.
2996 (gimplify_omp_atomic_fetch_op): Likewise.
2997 (gimplify_omp_atomic_pipeline): Likewise.
2998 (gimplify_omp_atomic_mutex): Likewise.
2999 (gimplify_function_tree): Likewise.
3001 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
3002 (call_expr_flags): Likewise.
3003 (expand_call): Likewise.
3005 * except.c (expand_builtin_eh_return_data_regno): Pass entire
3006 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
3009 * coverage.c (create_coverage): Use build_call_expr.
3011 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
3012 (temp_call_expr_obstack): New.
3013 (pool_copy_list): Delete.
3014 (temp_copy_call_expr): New.
3015 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
3016 CALL_EXPR accessors. Get rid of special goo for copying argument
3017 lists and use temp_copy_call_expr instead.
3018 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
3019 CALL_EXPR accessors.
3020 (create_expression_by_pieces): Likewise. Use build_call_array
3021 to construct the result instead of fold_build3.
3022 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
3023 dealing with argument lists.
3024 (init_pre): Remove references to expression_node_pool and
3025 list_node_pool. Init temp_call_expr_obstack instead.
3026 (fini_pre): Remove references to expression_node_pool and
3029 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
3030 and walk arguments explicitly instead of as a list.
3032 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
3033 (mx_register_decls): Likewise.
3034 (mudflap_register_call): Likewise.
3035 (mudflap_finish_file): Likewise.
3037 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
3038 (ipa_callsite_compute_param): Likewise.
3040 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
3041 accessors and constructor.
3043 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
3044 accessors and constructor.
3045 (convert_tramp_reference): Likewise.
3046 (convert_call_expr): Likewise.
3047 (finalize_nesting_tree_1): Likewise.
3049 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
3052 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
3054 * tree-inline.c (initialize_inlined_parameters): Pass entire
3055 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
3057 (estimate_num_insns_1): Use new CALL_EXPR accessors.
3058 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
3060 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
3061 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3062 (vectorizable_reduction): Likewise.
3063 (vectorizable_call): Use new CALL_EXPR iterators.
3064 (vectorizable_conversion): Use build_call_expr.
3065 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
3066 (vect_gen_widened_results_half): Use build_call_expr.
3067 (vect_setup_realignment): Likewise.
3068 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
3070 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
3071 (pass_through_call): Likewise.
3072 (compute_object_sizes): Likewise. Use fold_call_expr instead of
3075 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
3076 (tree_gen_pow2_profiler): Likewise.
3077 (tree_gen_one_value_profiler): Likewise.
3078 (tree_gen_ic_func_profiler): Likewise.
3079 (tree_gen_average_profiler): Likewise.
3080 (tree_gen_ior_profiler): Likewise.
3082 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
3083 (find_func_aliases): Use new CALL_EXPR accessors. Add case
3084 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3086 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
3087 of TREE_CODE_LENGTH.
3089 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
3090 of TREE_CODE_LENGTH.
3092 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
3094 (convert_to_integer): Likewise.
3096 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
3099 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3100 Brooks Moses <brooks.moses@codesourcery.com>
3101 Lee Millward <lee.millward@codesourcery.com>
3103 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
3105 * config/frv/frv.c (frv_expand_builtin): Likewise.
3106 * config/s390/s390.c (s390_expand_builtin): Likewise.
3108 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
3109 (sparc_expand_builtin): Use new CALL_EXPR accessors.
3111 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
3112 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
3113 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
3114 (ix86_expand_store_builtin): Likewise.
3115 (ix86_expand_unop_builtin): Likewise.
3116 (ix86_expand_unop1_builtin): Likewise.
3117 (ix86_expand_sse_compare): Likewise.
3118 (ix86_expand_sse_comi): Likewise.
3119 (ix86_expand_vec_init_builtin): Likewise.
3120 (ix86_expand_vec_ext_builtin): Likewise.
3121 (ix86_expand_vec_set_builtin): Likewise.
3122 (ix86_expand_builtin): Use new CALL_EXPR accessors.
3124 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
3125 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
3127 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
3128 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
3129 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
3131 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
3133 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
3134 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
3135 arglist. Use new CALL_EXPR accessors. Fix callers.
3136 (altivec_expand_abs_builtin): Likewise.
3137 (rs6000_expand_binop_builtin): Likewise.
3138 (altivec_expand_predicate_builtin): Likewise.
3139 (altivec_expand_lv_builtin): Likewise.
3140 (spe_expand_stv_builtin): Likewise.
3141 (altivec_expand_stv_builtin): Likewise.
3142 (rs6000_expand_ternop_builtin): Likewise.
3143 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
3144 (altivec_expand_st_builtin): Likewise.
3145 (altivec_expand_dst_builtin): Likewise.
3146 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
3147 arglist. Use new CALL_EXPR accessors. Fix callers.
3148 (altivec_expand_vec_set_builtin): Likewise.
3149 (altivec_expand_vec_ext_builtin): Likewise.
3150 (altivec_expand_builtin): Use new CALL_EXPR accessors.
3151 (spe_expand_builtin): Likewise.
3152 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
3153 arglist. Use new CALL_EXPR accessors. Fix callers.
3154 (spe_expand_evsel_builtin): Likewise.
3155 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
3156 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
3158 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
3159 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
3160 (arm_expand_unop_builtin): Likewise.
3161 (arm_expand_builtin): Use new CALL_EXPR accessors.
3163 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
3166 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
3167 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
3168 (bfin_expand_unop_builtin): Likewise.
3169 (bfin_expand_builtin): Use new CALL_EXPR accessors.
3171 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3172 Brooks Moses <brooks.moses@codesourcery.com>
3173 Lee Millward <lee.millward@codesourcery.com>
3175 * c-semantics.c (build_stmt): Add internal diagnostic check.
3177 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
3178 accessors. Print arguments explicitly instead of as a list.
3180 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
3182 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
3183 (c_finish_omp_flish): Likewise.
3185 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
3186 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
3187 instead of TREE_CODE_LENGTH.
3188 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
3189 (c_warn_unused_result): Likewise.
3191 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3194 * doc/invoke.texi (Warning Options): Remove
3195 -Werror-implicit-function-declaration.
3196 (Wimplicit-function-declaration): Update description.
3197 * opts.c (common_handle_option): Move handling of -Werror=* to...
3198 (enable_warning_as_error): ...here.
3199 * opts.h (enable_warning_as_error): Declare.
3200 * c-decl.c (implicit_decl_warning): Unless
3201 -Wno-implicit-function-declaration is given, emit a pedwarn if
3202 -std=c99 or emit a warning if -Wimplicit-function-declaration.
3203 * c.opt (Wimplicit-function-declaration): Replace
3204 mesg_implicit_function_declaration with
3205 warn_implicit_function_declaration.
3206 * c-opts.c (c_common_handle_option):
3207 -Werror-implicit-function-declaration is exactly equal as
3208 -Werror=implicit-function-declaration.
3209 (set_Wimplicit): Replace mesg_implicit_function_declaration with
3210 warn_implicit_function_declaration.
3211 (c_common_post_options): -Wimplict-function-declaration is enabled
3212 by default by -std=c99, otherwise is disabled by default.
3213 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
3215 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
3217 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
3218 DECL on the rhs to a DECL on the lhs for debug info purposes if the
3219 former is ignored but not the latter.
3221 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
3223 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
3224 is made and the reference doesn't use the alias set of its type,
3225 do not create the temporary using that type.
3227 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
3229 * jump.c: Remove prototypes for delete_computation and
3230 delete_prior_computation.
3232 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
3234 * jump.c (get_label_after): Delete.
3235 (get_label_before, delete_computation, delete_jump,
3236 delete_prior_computation, follow_jumps): Move...
3237 * reorg.c (delete_computation, delete_prior_computation): ... here...
3238 (get_label_before, delete_jump): ... making these static ...
3239 (follow_jumps): ... and simplifying this since it only runs after
3241 * rtl.h (get_label_after, get_label_before, delete_jump,
3242 follow_jumps): Delete prototypes.
3244 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
3246 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
3248 2007-02-15 Nick Clifton <nickc@redhat.com>
3250 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
3251 order to prevent it from being munged by the target.
3253 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
3255 * config/i386/i386.md: Remove misleading comment.
3257 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3259 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
3260 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
3263 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3265 * tree-sra.c (instantiate_missing_elements): Canonicalize
3267 (sra_build_assignment): New.
3268 (generate_copy_inout, generate_element_copy,
3269 generate_element_zero, generate_one_element_init): Use it.
3271 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3273 * tree-sra.c (instantiate_missing_elements): Canonicalize
3275 (sra_build_assignment): New.
3276 (generate_copy_inout, generate_element_copy,
3277 generate_element_zero, generate_one_element_init): Use it.
3279 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3281 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
3284 2007-02-14 Joseph Myers <joseph@codesourcery.com>
3286 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
3287 types as aggregates not scalars.
3288 * function.c (assign_stack_temp_for_type): Likewise.
3290 2007-02-14 Roger Sayle <roger@eyesopen.com>
3291 Zdenek Dvorak <dvorakz@suse.cz>
3293 * tree-dump.c (dump_switch_p_1): Require exact match of the option
3296 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3298 * passes.c (next_pass_1): Clear the next field of the copied
3301 2007-02-14 Richard Henderson <rth@redhat.com>
3303 * tree-sra.c (early_sra): New.
3304 (decl_can_be_decomposed_p): Deny va_list if early_sra.
3305 (tree_sra_early, pass_sra_early): New.
3306 * tree-pass.h (pass_sra_early): Declare.
3307 * passes.c (init_optimization_passes): Use it.
3309 2007-02-14 Richard Guenther <rguenther@suse.de>
3311 * flags.h (issue_strict_overflow_warning): Convert to a macro.
3313 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
3315 PR tree-optimization/30771
3316 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
3318 (vect_analyze_operations): Induction phis can now be marked as
3320 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
3321 Update documentation accordingly.
3323 2007-02-14 Nick Clifton <nickc@redhat.com>
3325 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
3326 most 3 arguments are supported.
3327 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
3329 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
3331 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
3332 Ensure dst->current is valid.
3334 2007-02-13 Paul Brook <paul@codesourcery.com>
3336 * config.gcc: Add arm*-*-uclinux-*eabi.
3337 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
3338 (SUBTARGET_EXTRA_LINK_SPEC): Define.
3339 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
3340 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
3341 (LINK_SPEC): Define.
3343 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
3345 * config/arm/uclinux-eabi.h: New file.
3346 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
3347 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
3350 2007-02-13 Ian Lance Taylor <iant@google.com>
3352 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
3353 * flags.h (warn_strict_overflow): Declare.
3354 (enum warn_strict_overflow_code): Define.
3355 (issue_strict_overflow_warning): New static inline function.
3356 * opts.c (warn_strict_overflow): New variable.
3357 (common_handle_option): Handle OPT_Wstrict_overflow and
3358 OPT_Wstrict_overflow_.
3359 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
3361 * fold-const.c: Include intl.h.
3362 (fold_deferring_overflow_warnings): New static variable.
3363 (fold_deferred_overflow_warning): New static variable.
3364 (fold_deferred_overflow_code): New static variable.
3365 (fold_defer_overflow_warnings): New function.
3366 (fold_undefer_overflow_warnings): New function.
3367 (fold_undefer_and_ignore_overflow_warnings): New function.
3368 (fold_deferring_overflow_warnings_p): New function.
3369 (fold_overflow_warning): New static function.
3370 (make_range): Add strict_overflow_p parameter. Change all
3372 (extract_muldiv, extract_muldiv_1): Likewise.
3373 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
3374 tree_expr_nonnegative_p.
3375 (fold_negate_expr): Call fold_overflow_warning.
3376 (fold_range_test): Likewise.
3377 (fold_comparison): Likewise.
3378 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
3379 instead of tree_expr_nonnegative_p.
3380 (tree_expr_nonnegative_warnv_p): Rename from
3381 tree_expr_nonnegative_p, add strict_overflow_p parameter.
3382 (tree_expr_nonnegative_p): New function.
3383 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
3384 strict_overflow_p parameter.
3385 (tree_expr_nonzero_p): New function.
3386 * passes.c (verify_interpass_invariants): New static function.
3387 (execute_one_pass): Call it.
3388 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
3390 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
3391 (estimate_numbers_of_iterations): Likewise.
3392 (scev_probably_wraps_p): Likewise.
3393 * tree-ssa-ccp.c: Include "toplev.h".
3394 (evaluate_stmt): Defer fold overflow warnings until we know we are
3396 (struct fold_stmt_r_data): Add stmt field.
3397 (fold_stmt_r): Defer fold overflow warnings until we know we
3399 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
3400 (fold_stmt_inplace): Likewise.
3401 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
3402 (cleanup_control_expr_graph): Defer fold overflow warnings until
3403 we know we are going to optimize.
3404 * tree-cfg.c (fold_cond_expr_cond): Likewise.
3405 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
3407 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
3408 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
3409 * tree-ssa-loop-manip.c (create_iv): Likewise.
3410 * c-typeck.c (build_conditional_expr): Likewise.
3411 (build_binary_op): Likewise.
3412 * tree-vrp.c (vrp_expr_computes_nonzero): Call
3413 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
3414 (extract_range_from_unary_expr): Likewise.
3415 * simplify-rtx.c (simplify_const_relational_operation): Warn when
3416 assuming that signed overflow does not occur.
3417 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
3418 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
3419 (fold_defer_overflow_warnings): Declare.
3420 (fold_undefer_overflow_warnings): Declare.
3421 (fold_undefer_and_ignore_overflow_warnings): Declare.
3422 (fold_deferring_overflow_warnings_p): Declare.
3423 (tree_expr_nonzero_warnv_p): Declare.
3424 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
3426 (Warning Options): Document -Wstrict-overflow.
3427 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
3428 (tree-ssa-ccp.o): Likewise.
3429 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
3430 (fold-const.o): Depend on intl.h.
3432 2007-02-13 Ian Lance Taylor <iant@google.com>
3435 * lower-subreg.c (resolve_simple_move): Decompose subregs in
3438 2007-02-13 Stuart Hastings <stuart@apple.com>
3440 * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
3442 2007-02-13 Richard Henderson <rth@redhat.com>
3444 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
3445 handled_component_p before looking for the indirect_ref.
3447 2007-02-13 Richard Henderson <rth@redhat.com>
3449 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
3450 remove flags clobber.
3451 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
3452 (bswaphi_lowpart): New.
3453 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
3454 remove TARGET_BSWAP test. Delete expander of the same name.
3456 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
3457 (expand_unop): Use them.
3459 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
3461 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
3462 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
3463 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
3464 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
3465 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
3466 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
3467 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
3468 assembler dialect choice from asm templates.
3470 2007-02-12 Richard Henderson <rth@redhat.com>
3472 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
3473 (fixuns_trunc<SSEMODEF>si2): Use it.
3474 * config/i386/sse.md (vec_setv4sf_0): Export.
3475 * config/i386/i386.c (ix86_build_const_vector): Export.
3476 (ix86_split_convert_uns_si_sse): Rename from
3477 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
3478 * config/i386/i386-protos.h: Update.
3480 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3483 * c-typeck.c (c_finish_return): Improve warning message.
3485 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3487 * alias.c (find_symbolic_term): Delete unused function.
3489 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
3491 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
3492 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
3493 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
3495 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
3497 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
3498 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
3499 the function, temporarily point the debug interface to the null one.
3501 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
3503 * dwarf2out.c (round_up_to_align): New static function.
3504 (field_byte_offset): Use it to round the offset.
3506 2007-02-12 Richard Henderson <rth@redhat.com>
3508 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
3509 (inswl_const): Export.
3511 2007-02-12 Richard Henderson <rth@redhat.com>
3513 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
3514 result mode of the libcall, convert back to outmode.
3516 2007-02-12 Roger Sayle <roger@eyesopen.com>
3518 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
3519 (bswapdi2): New define_expand to implement 32-bit implementation.
3521 2007-02-12 Nick Clifton <nickc@redhat.com>
3523 * doc/invoke.texi (Overall Options): Document --help=.
3524 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
3525 (cc1_options): Pass --help= on to cc1.
3526 (display_help): Add description of --help=.
3527 (process_command): Add code to handle --help=. Allow translated
3528 --help and --target-help switches to be passed on to compiler
3530 (main): Remove unused if statement.
3531 * opts.c (columns): Remove.
3532 (LEFT_COLUMN): Define.
3533 (wrap_help): Add columns argument.
3534 (print_filtered_help): Change parameters to be an include bitmask,
3535 an exclude bitmask, an any bitmask and the column width. Move the
3536 code to display the params list here. Add code to display the
3537 status of options rather than their descriptions if the quiet flag
3539 (print_specific_help): Change parameters to be an include bitmask,
3540 an exclude bitmask and an any bitmask. Move code to look up the
3541 column width here. Decide upon the title for an options listing.
3542 (common_handle_options): Add code to handle --help=. Adapt code
3543 for --help and --target-help to use the revised form of the
3544 print_specific_help function.
3545 (print_help): Delete.
3546 (print_param_help): Delete.
3547 (print_switch): Delete.
3548 * opts.h (cl_lang_count): Add prototype.
3549 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
3550 CL_MAX_OPTION_CLASS): New defines.
3551 * optc-gen.awk: Add construction of cl_lang_count.
3552 * c.opt: Add Warning attribute to warning options and Optimization
3553 attribute to optimization options.
3554 * common.opt: Likewise.
3556 Add -fhelp and -ftarget-help as aliases for the transformed --help
3557 and --target-help options.
3558 * opt-functions.awk: Add code to handle Warning and Optimization
3561 2007-02-12 Richard Henderson <rth@redhat.com>
3563 * config/alpha/constraints.md: New file.
3564 * config/alpha/alpha.c: Include tm-constrs.h.
3565 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
3566 alpha_extra_constraint): Remove.
3567 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
3568 * config/alpha/alpha-protos.h: Update.
3569 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
3570 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
3571 (EXTRA_CONSTRAINT): Remove.
3572 * config/alpha/alpha.md: Include constraints.md.
3573 (adddi splitter): Use satisfies_constraint_*.
3574 * config/alpha/predicates.md (add_operand): Likewise.
3575 (sext_add_operand, addition_operation): Likewise.
3577 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
3579 PR tree-optimization/29145
3580 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
3581 in our handling of restrict qualified pointers.
3583 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3586 * doc/invoke.texi (Wunused-value): Update description.
3587 (Wextra): Delete item.
3588 * opts.c (set_Wextra): Don't use the value of Wextra to set the
3589 value of Wunused-value.
3590 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
3591 (c_finish_stmt_expr): Don't check extra_warnings.
3592 (emit_side_effect_warnings): The caller is responsible to check
3595 2007-02-11 Roger Sayle <roger@eyesopen.com>
3596 Matt Thomas <matt@3am-software.com>
3598 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
3600 2007-02-11 Roger Sayle <roger@eyesopen.com>
3602 * simplify-rtx.c (simplify_relational_operation_1): Optimize
3603 comparisons of POPCOUNT against zero.
3604 (simplify_const_relational_operation): Likewise.
3606 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3608 * doc/invoke.texi (Wextra): Delete outdated paragraph.
3610 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3612 * dwarf2out.c (root_type): Delete unused function.
3614 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3616 * genattrtab.c (contained_in_p): Delete unused function.
3617 (write_expr_attr_cache): Likewise.
3619 2007-02-11 Jan Hubicka <jh@suse.cz>
3621 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
3624 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
3626 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
3627 to add the REG_EQ* note.
3628 * see.c (see_merge_one_use_extension): Likewise.
3629 * local-alloc.c (update_equiv_regs): Likewise. Also don't
3630 turn REG_EQUAL notes into REG_EQUIV notes if the target
3631 register may have more than one set.
3632 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
3633 * gcse.c (try_replace_reg): Likewise.
3634 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
3635 * calls.c (fixup_tail_calls): Likewise. Abort if there is
3636 more than one REG_EQUIV note.
3637 * reload1.c (gen_reload): Use set_unique_reg_note.
3639 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
3641 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
3642 (ix86_builtin_conversion): New function.
3644 2007-02-06 Mark Mitchell <mark@codesourcery.com>
3647 * tree.h (DECL_REPLACEABLE_P): New macro.
3648 * except.c (set_nothrow_function_flags): Likewise.
3650 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
3651 Ira Rosen <irar@il.ibm.com>
3652 Dorit Nuzman <dorit@il.ibm.com>
3654 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
3655 * targhooks.c (default_builtin_vectorized_conversion): New.
3656 * targhooks.h (default_builtin_vectorized_function): New declaration.
3657 * target.h (struct vectorize): Add builtin_conversion field.
3658 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
3659 stmt_vec_info_type value.
3660 (vectorizable_conversion): New declaration.
3661 * tree-vect-analyze.c (vect_analyze_operations): Add
3662 vectorizable_conversion call.
3663 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
3664 * tree-vect-transform.c (vectorizable_conversion): New function.
3665 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
3666 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3668 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
3669 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
3670 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
3671 or ALTIVEC_BUILTIN_VCFSX.
3673 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3676 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
3677 CONST_DOUBLE and operand 0 is a hard register.
3678 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
3679 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
3680 is a hard floating-point register.
3682 2007-02-10 Richard Henderson <rth@redhat.com>
3683 Jakub Jelinek <jakub@redhat.com>
3684 Alexandre Oliva <aoliva@redhat.com>
3686 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
3687 * builtin-types.def (BT_WORD): Make unsigned.
3688 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3689 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3690 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3691 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3692 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3693 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3695 * expr.c (emutls_var_address): New.
3696 (expand_expr_real_1): Expand emulated tls.
3697 (expand_expr_addr_expr_1): Likewise.
3698 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3699 * output.h (emutls_finish): Declare.
3700 * toplev.c (compile_file): Call it.
3701 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3702 address before wrapping in CONST.
3703 * varasm.c (emutls_htab, emutls_object_type): New.
3704 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3705 (get_emutls_object_name, get_emutls_object_type): New.
3706 (get_emutls_init_templ_addr, emutls_decl): New.
3707 (emutls_common_1, emutls_finish): New.
3708 (assemble_variable): When emulating tls, swap decls; generate
3709 constructor for the emutls objects.
3710 (do_assemble_alias): When emulating tls, swap decl and target name.
3711 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3713 * varpool.c (decide_is_variable_needed): Look at force_output.
3714 Recurse for emulated tls.
3715 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
3716 with decide_is_variable_needed.
3717 * emutls.c: New file.
3718 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3719 tls_object for real tls.
3721 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
3723 PR rtl-optimization/29599
3724 * reload1.c (eliminate_regs_in_insn): Take the destination
3725 mode into account when computing the offset.
3727 2007-02-09 Stuart Hastings <stuart@apple.com>
3728 Richard Henderson <rth@redhat.com>
3730 * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
3731 * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
3732 * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
3733 fixuns_truncdfhi2): New.
3734 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
3735 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
3736 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
3737 (floatunssidf2): Allow nonimmediate source.
3738 * gcc/config/i386/sse.md (movdi_to_sse): New.
3739 (vec_concatv2di): Drop '*'.
3740 * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
3741 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
3742 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
3744 * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
3745 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
3746 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
3747 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
3748 (ix86_build_signbit_mask): Fix decl of v, refactor to call
3749 ix86_build_const_vector.
3750 (x86_emit_floatuns): Rewrite.
3752 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3754 * genautomata.c (longest_path_length): Delete unused function.
3755 (struct state): Delete unused longest_path_length.
3756 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
3757 (get_free_state): Delete unused.
3759 2007-02-09 Jan Hubicka <jh@suse.cz>
3761 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
3762 * doc/invoke.texi (inline-unit-growth): Update default value.
3764 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
3765 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
3766 (rebuild_cgraph_edges): Likewise.
3767 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
3768 (dump_cgraph_node): Dump frequencies.
3769 (cgraph_clone_edge): Add frequency scales.
3770 (cgraph_clone_node): Add freuqnecy.
3771 * cgraph.h (cgraph_edge): Add freuqnecy argument.
3772 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
3773 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
3774 * tree-pass.h (TODO_rebuild_frequencies): New constant.
3775 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
3776 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
3777 (save_inline_function_body): Likewise.
3778 * ipa-inline.c: inluce rtl.h
3779 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
3780 (cgraph_edge_badness): Use frequencies.
3781 (cgraph_decide_recursive_inlining): Update clonning.
3782 (cgraph_decide_inlining_of_small_function): Dump frequency.
3783 * predict.c (estimate_bb_frequencies): Export.
3784 * predict.h (estimate_bb_frequencies): Declare.
3785 * tree-inline.c (copy_bb): Watch overflows.
3786 (expand_call_inline): Update call of cgraph_create_edge.
3787 (optimize_inline_calls): Use TODO flags to update frequnecies.
3788 * passes.h: Include predict.h
3789 (init_optimization_passes): Move profile ahead.
3790 (execute_function_todo): Handle TODO_rebuild_frequencies.
3792 2007-02-09 Roger Sayle <roger@eyesopen.com>
3794 * config/alpha/alpha.c (emit_insxl): Force the first operand of
3795 the insbl or inswl pattern into a register.
3797 2007-02-09 Roger Sayle <roger@eyesopen.com>
3799 * config/ia64/ia64.md (bswapdi2): New define_insn.
3801 2007-02-09 Richard Henderson <rth@redhat.com>
3803 * config/i386/constraints.md (Ym): New constraint.
3804 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
3805 (movdi_1_rex64): Split sse and xmm general register moves from
3806 memory move alternatives. Use conditional register constraints.
3807 (movsf_1, movdf_integer): Likewise.
3808 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3809 (movdf_integer_rex64): New.
3810 (pushsf_rex64): Fix output constraints.
3811 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
3812 (sse2_stored): Likewise.
3813 (sse2_storeq_rex64): New.
3814 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
3815 amd and not generic.
3816 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
3817 for optimize_size. Remove SF/DFmode hack.
3819 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
3821 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
3824 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
3825 Richard Sandiford <richard@codesourcery.com>
3827 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
3828 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
3829 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
3830 m68k/t-mlib to tmake_file.
3831 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
3832 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
3833 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
3834 Allow it to be cf or m68k. Set m68k_arch_family. If that
3835 variable is not empty, add t-$m68k_arch_family to tmake_file.
3836 Add t-mlibs to tmake_file.
3837 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
3838 * config/m68k/t-cf: New file.
3839 * config/m68k/t-m68k: Likewise.
3840 * config/m68k/t-mlibs: Likewise.
3841 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3842 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3843 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
3844 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3845 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
3847 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
3848 (INSTALL_LIBGCC): Delete.
3849 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
3850 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3851 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3852 (M68K_MLIB_CPU): Define.
3853 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3854 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3855 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
3857 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3858 Richard Guenther <rguenther@suse.de>
3861 * fold-const.c (fold_comparison): Handle obfuscated comparisons
3862 against INT_MIN/INT_MAX.
3863 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
3864 file if a loop is removed.
3866 2007-02-09 Joseph Myers <joseph@codesourcery.com>
3868 * calls.c (store_one_arg): Pass correct alignment to
3869 emit_push_insn for non-BLKmode values.
3870 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
3871 unaligned stack slot via a suitably aligned slot.
3873 2007-02-08 DJ Delorie <dj@redhat.com>
3875 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
3877 (legal_subregs): Use unsigned char, make const.
3878 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
3880 2007-02-08 Paul Brook <paul@codesourcery.com>
3882 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
3883 special interworking needed.
3885 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
3887 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
3888 conditional to __SSE2__.
3889 (Entries below should have been added to first ChangeLog
3890 entry for amdfam10 dated 2007-02-05)
3891 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
3893 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
3895 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
3898 2007-02-08 DJ Delorie <dj@redhat.com>
3900 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
3901 * config/m32c/m32c.c (legal_subregs): New.
3902 (m32c_illegal_subreg_p): New.
3903 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
3904 unsupported subregs of hard regs.
3906 2007-02-08 Jan Hubicka <jh@suse.cz>
3908 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
3909 the same one; always update histograms.
3911 2007-02-08 Diego Novillo <dnovillo@redhat.com>
3913 * passes.c (init_optimization_passes): Tidy comment.
3915 2007-02-08 Roger Sayle <roger@eyesopen.com>
3917 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
3918 strip zero_extend, bswap and rotates from POCOUNT's argument.
3919 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
3920 zero_extend and rotates from PARITY's argument.
3921 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
3922 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
3923 of an integer constant at compile-time.
3925 2007-02-08 Diego Novillo <dnovillo@redhat.com>
3928 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
3930 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
3933 * tree-ssa-live.c (remove_unused_locals): Do not remove
3934 TREE_ADDRESSABLE variables.
3935 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
3936 * tree-ssa-operands.c (add_virtual_operand): Remove argument
3937 FOR_CLOBBER. Update all users.
3938 If VAR has an associated alias set, add a virtual operand for
3939 it if no alias is found to conflict with the memory reference.
3941 2007-02-07 Jan Hubicka <jh@suse.cz>
3942 Robert Kidd <rkidd@crhc.uiuc.edu>
3944 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
3946 2007-02-07 Ian Lance Taylor <iant@google.com>
3948 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
3950 2007-02-07 Roger Sayle <roger@eyesopen.com>
3952 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
3953 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
3954 tablejumpdi, movsi_to_cr_one): Remove constraints from
3955 define_expand's match_operands.
3957 2007-02-07 Roger Sayle <roger@eyesopen.com>
3959 * global.c (compute_regsets): Move declatation of "i" inside of
3960 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
3962 2007-02-07 Jakub Jelinek <jakub@redhat.com>
3965 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
3966 of INDIRECT_REF <RESULT_DECL>.
3968 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
3970 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
3971 Kaz Kojima <kkojima@gcc.gnu.org>
3974 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
3976 (sh_initialize_trampoline): Add parentheses to avoid a warning.
3978 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3980 * doc/loop.texi: Document possibility not to perform disambiguation
3981 of loops with multiple latches.
3982 * cfgloopmanip.c (alp_enum_p): Removed.
3983 (add_loop): Handle subloops. Use get_loop_body_with_size.
3984 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
3985 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
3986 the new forwarder block.
3987 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
3988 Handle the case latch is NULL.
3989 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
3990 when marking loop exits.
3991 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
3993 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
3994 disambiguate_loops_with_multiple_latches.
3995 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
3996 before fix_loop_structure.
3997 * cfgloop.c: Include pointer-set.h and output.h.
3998 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
3999 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
4000 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
4001 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
4002 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
4003 disambiguate_multiple_latches, get_loop_body_with_size,
4004 disambiguate_loops_with_multiple_latches): New functions.
4005 (flow_loop_dump): Dump multiple latch edges.
4006 (flow_loop_nodes_find): Handle loops with multiple latches.
4007 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
4008 (glb_enum_p): Modified.
4009 (get_loop_body): Use get_loop_body_with_size.
4010 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
4011 (AVOID_CFG_MODIFICATIONS): New constant.
4012 (disambiguate_loops_with_multiple_latches, add_loop,
4013 get_loop_body_with_size): Declare.
4014 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
4016 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
4019 * global.c (compute_regsets): New function.
4020 (global_alloc): Refactored ELIMINABLE_REGSET
4021 and NO_GLOBAL_ALLOC_REGS computation out.
4022 (rest_of_handle_global_alloc): Call compute_regsets()
4023 for non-optimizing case.
4025 2007-02-06 Richard Henderson <rth@redhat.com>
4027 * config/i386/constraints.md (Y2): Rename from Y.
4028 (Yi): New constraint.
4029 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
4030 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
4031 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
4032 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
4033 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
4034 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
4035 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
4036 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
4037 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
4038 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
4039 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
4040 vec_extractv2si_1): Change Y constraints to Y2.
4041 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
4042 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
4043 Change Y constraints to Y2.
4044 (sse2_loadld): Change Y constraints to x.
4046 2007-02-06 Roger Sayle <roger@eyesopen.com>
4048 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
4049 (parity<mode>2): New define_expand using rs6000_emit_parity.
4050 * config/rs6000/rs6000.c (rs6000_emit_popcount,
4051 rs6000_emit_parity): New functions.
4052 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
4053 rs6000_emit_parity): Prototype here.
4055 2007-02-06 Ian Lance Taylor <iant@google.com>
4057 * lower-subreg.c (simple_move_operand): Reject CONST.
4058 (resolve_clobber): Call validate_change rather than directly
4059 assigning to XEXP (pat, 0).
4061 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
4063 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
4064 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
4065 (tree-cfg.o): Remove hashtab.h dependency.
4067 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
4068 (struct ivopts_data): Change niters to pointer_map_t.
4069 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
4070 (niter_for_exit): Create pointer_map on demand. Change for
4072 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
4073 (free_loop_data): Destroy data->niters if created and reset field.
4074 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
4075 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
4077 * tree-ssa-reassoc.c: Include pointer-set.h.
4078 (bb_rank): Change to long *.
4079 (operand_rank): Change to pointer_map_t.
4080 (find_operand_rank): Return long, -1 if not found. Declare as inline.
4081 (insert_operand_rank): Accept long.
4082 (operand_entry_hash, operand_entry_eq): Remove.
4083 (get_rank): Return long. Adjust for changes above.
4084 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
4086 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
4088 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
4089 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
4090 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
4092 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
4093 directly since it cannot be NULL.
4094 (get_vi_for_tree): Rewrite for pointer_map API.
4095 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
4096 (init_alias_vars): Create vi_for_tree as pointer_map.
4097 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
4099 * tree-cfg.c: Don't include hashtab.h.
4100 (edge_to_cases): Declare as pointer_map.
4101 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
4103 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
4104 (start_recording_case_labels): Create edge_to_cases as pointer_map.
4105 (end_recoding_case_labels): Cleanup edge_to_cases manually before
4107 (record_switch_edge): Delete.
4108 (get_cases_for_edge): Adjust for pointer_map API, inline
4109 record_switch_edge (rewritten for new API), remove goto.
4111 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
4113 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
4114 * tree-nested.c: Include pointer-set.h.
4115 (var_map_elt, var_map_eq, var_map_hash): Delete.
4116 (struct nesting_info): Remove GTY marker. Change the two htab_t's
4118 (nesting_info_bitmap_obstack): New.
4119 (lookup_field_for_decl): Adjust for pointer_map API.
4120 (lookup_tramp_for_decl): Adjust for pointer_map API.
4121 (get_nonlocal_debug_decl): Adjust for pointer_map API.
4122 (get_local_debug_decl): Adjust for pointer_map API.
4123 (convert_nl_goto_reference): Adjust for pointer_map API.
4124 (convert_nl_goto_receiver): Adjust for pointer_map API.
4125 (create_nesting_tree): Create outside GGC space. Create bitmap on
4126 the new obstack. Create field_map and var_map as pointer_maps.
4127 (free_nesting_tree): Adjust for changes to create_nesting_tree.
4129 (lower_nested_functions): Move root here, no need to NULL it.
4130 Initialize and release the obstack.
4132 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
4134 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
4135 Remove prototypes and make them non-static.
4136 (struct tree_int_map): Remove.
4137 * tree.h (struct tree_int_map): Move here, turning TO into an
4139 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
4141 * tree.h (TREE_COMPLEXITY): Remove.
4142 (struct tree_exp): Remove complexity field.
4143 * tree.c (build1_stat): Don't set it.
4145 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
4146 Victor Kaplansky <victork@il.ibm.com>
4148 * tree-vectorizer.c (vect_is_simple_use): Support induction.
4149 (vect_is_simple_reduction): Support reduction with induction as
4150 one of the operands.
4151 (vect_is_simple_iv_evolution): Fix formatting.
4152 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
4153 formatting. Don't mark induction phis for vectorization.
4154 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
4155 * tree-vect-transform.c (get_initial_def_for_induction): New function.
4156 (vect_get_vec_def_for_operand): Support induction.
4157 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
4159 (vectorizable_reduction): Support reduction with induction as one of
4161 (vectorizable_type_demotion): Use def-type of stmt argument rather
4162 than dummy def-type.
4164 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
4165 flag_tree_scev_cprop.
4166 * common.opt (tree-scev-cprop): New flag.
4168 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
4169 call to vect_get_new_vect_var.
4171 2007-02-06 Ira Rosen <irar@il.ibm.com>
4173 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
4174 vectype is not NULL.
4175 (vect_pattern_recog_1): Likewise.
4177 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4179 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
4180 (fold_negate_expr): Likewise.
4182 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
4185 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
4186 even if cv-qualification is the same.
4188 2007-02-05 Geoffrey Keating <geoffk@apple.com>
4190 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
4191 __enable_execute_stack on completion.
4193 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4195 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
4196 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
4197 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
4198 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
4199 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
4200 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
4201 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
4202 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
4204 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4206 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
4207 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
4208 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
4209 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
4210 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
4211 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
4212 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
4213 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
4214 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
4215 umuldi3_highpart_rex64, umulsi3_highpart_insn,
4216 umulsi3_highpart_zext, smuldi3_highpart_rex64,
4217 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
4218 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
4219 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
4220 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
4221 sqrtextenddfxf2_i387): Added amdfam10_decode.
4223 * config/i386/athlon.md (athlon_idirect_amdfam10,
4224 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
4225 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
4226 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
4227 athlon_ivector_store_amdfam10): New define_insn_reservation.
4228 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
4231 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4233 * config/i386/athlon.md (athlon_call_amdfam10,
4234 athlon_pop_amdfam10, athlon_lea_amdfam10): New
4235 define_insn_reservation.
4236 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
4237 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
4238 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
4240 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4242 * config/i386/athlon.md (athlon_sseld_amdfam10,
4243 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
4244 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
4246 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4248 * config/i386/athlon.md (athlon_sseins_amdfam10): New
4249 define_insn_reservation.
4250 * config/i386/i386.md (sseins): Added sseins to define_attr type
4251 and define_attr unit.
4252 * config/i386/sse.md: Set type attribute to sseins for insertq
4255 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4257 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
4258 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
4259 ssecomi_load_amdfam10, ssecomi_amdfam10,
4260 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
4261 define_insn_reservation.
4262 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
4264 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4266 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
4267 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
4268 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
4269 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
4270 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
4271 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
4272 define_insn_reservation.
4274 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
4275 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
4276 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
4277 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
4278 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
4280 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4282 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
4283 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
4284 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
4285 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
4286 athlon_ssemul_load_k8): Added amdfam10.
4288 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4290 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
4291 (x86_sse_unaligned_move_optimal): New variable.
4293 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
4295 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
4296 for unaligned vector SSE double/single precision loads for AMDFAM10.
4298 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4300 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
4301 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
4302 Define TARGET_CPU_DEFAULT_amdfam10.
4303 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
4304 (processor_type): Add PROCESSOR_AMDFAM10.
4306 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
4307 processor_type in config/i386/i386.h.
4308 Enable imul peepholes for TARGET_AMDFAM10.
4310 * config.gcc: Add support for --with-cpu option for amdfam10.
4312 * config/i386/i386.c (amdfam10_cost): New variable.
4313 (m_AMDFAM10): New macro.
4314 (m_ATHLON_K8_AMDFAM10): New macro.
4315 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4316 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
4317 x86_promote_QImode, x86_integer_DFmode_moves,
4318 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4319 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
4320 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
4321 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
4322 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
4323 Enable/disable for amdfam10.
4324 (override_options): Add amdfam10_cost to processor_target_table.
4325 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
4326 processor_alias_table.
4327 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
4328 (ix86_adjust_cost): Add code for amdfam10.
4330 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4332 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
4333 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
4334 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
4335 * config/i386/i386.h: Add builtin definition for SSE4A.
4336 * config/i386/i386.md: Add support for ABM instructions
4338 * config/i386/sse.md: Add support for SSE4A instructions
4339 (movntss, movntsd, extrq, insertq).
4340 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
4341 Add -march=amdfam10 flag.
4342 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
4343 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
4345 * doc/extend.texi: Add documentation for SSE4A builtins.
4347 2007-02-05 Bob Wilson <bob.wilson@acm.org>
4349 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
4351 2007-02-05 Richard Guenther <rguenther@suse.de>
4353 * tree-vectorizer.h (vectorizable_function): Add argument type
4354 argument, change return type.
4355 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
4356 * tree-vect-transform.c (vectorizable_function): Handle extra
4357 argument, return vectorized function decl.
4358 (build_vectorized_function_call): Remove.
4359 (vectorizable_call): Handle calls with result and argument types
4360 differing. Handle loop vectorization factor correctly.
4361 * targhooks.c (default_builtin_vectorized_function): Adjust for
4363 * targhooks.h (default_builtin_vectorized_function): Likewise.
4364 * target.h (builtin_vectorized_function): Add argument type
4366 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
4367 extra argument, allow vectorizing of lrintf.
4368 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
4369 documentation of target hook.
4371 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
4374 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
4375 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
4376 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
4378 2007-02-05 Roger Sayle <roger@eyesopen.com>
4380 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
4381 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
4382 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
4383 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
4384 before canonicalizing sincos to cexpi.
4385 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
4387 2007-02-05 Roger Sayle <roger@eyesopen.com>
4389 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
4390 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
4391 (alpha_init_builtins): Use alpha_add_builtins to process tables.
4393 2007-02-05 Roger Sayle <roger@eyesopen.com>
4395 * mips-tfile.c (initialize_init_file): Correct endianness test.
4397 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
4399 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
4402 2007-02-05 Richard Sandiford <richard@codesourcery.com>
4404 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
4405 saves in a PARALLEL before the register assignments.
4407 2007-02-05 Richard Sandiford <richard@codesourcery.com>
4409 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
4410 DWARF_FRAME_RETURN_COLUMN to be a general register.
4411 * dwarf2out.c (init_return_column_size): New function, split from...
4412 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
4413 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
4414 to be nongeneral registers.
4415 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
4417 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
4418 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
4420 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4422 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
4424 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4426 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
4427 (remove_path): Use can_remove_branch_p and remove_branch instead
4428 of loop_delete_branch_edge.
4429 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
4430 (tree_transform_and_unroll_loop): Remove dead branches immediately.
4431 Update profile using scale_dominated_blocks_in_loop.
4432 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
4433 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
4434 (can_remove_branch_p, remove_branch): Declare.
4435 * tree-cfg.c (tree_can_remove_branch_p): New function.
4436 (tree_cfg_hooks): Add tree_can_remove_branch_p.
4437 * cfgrtl.c (rtl_can_remove_branch_p): New function.
4438 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
4440 2007-02-05 Jan Hubicka <jh@suse.cz>
4443 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
4444 nodes in cgraph, don't remove offline copy of the function.
4446 2007-02-04 Jan Hubicka <jh@suse.cz>
4448 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
4449 vectors might cause maybe_lookup_element_for_expr to be called
4450 on non-sra-candidate.
4452 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
4454 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
4455 config/bfin/bfin.md, config/bfin/predicates.md: Follow
4456 spelling conventions.
4458 2007-02-04 Richard Guenther <rguenther@suse.de>
4461 * fold-const.c (try_move_mult_to_index): Make sure to not
4462 overflow one dimension of a multi-dimensional array access.
4464 2007-02-04 Jan Hubicka <jh@suse.cz>
4466 * passes.c (init_optimization_passes): Reindent.
4468 2007-02-04 Jan Hubicka <jh@suse.cz>
4469 Eric Botcazou <ebotcazou@adacore.com>
4471 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
4472 (execute_fixup_cfg): Break out the abnormal goto code.
4473 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
4474 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
4475 (optimize_inline_calls): Call make_nonlocal_label_edges.
4477 2007-02-04 Jan Hubicka <jh@suse.cz>
4479 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
4480 true when something was changed.
4481 (rename_ssa_copies): When something was changed, do
4482 TODO_remove_unused_locals.
4483 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4484 add TODO_remove_unused_locals when instruction was removed.
4486 2007-02-04 Jan Hubicka <jh@suse.cz>
4488 * ipa-inline.c (try_inline): Improve debug output; work on already
4490 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
4491 call try_inline for already inlined edges too when flattening;
4492 inline also functions that make callee growth but overall unit size
4495 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
4497 * config/m32c/bitops.md, config/m32c/jump.md,
4498 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
4499 config/m32r/m32r.h, config/m32r/m32r.md,
4500 config/m32r/predicates.md, config/m68hc11/larith.asm,
4501 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
4502 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
4503 config/mips/mips-protos.h, config/mips/mips.c,
4504 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
4505 config/mn10300/mn10300.h, config/mn10300/predicates.md,
4506 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
4507 spelling conventions.
4509 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
4510 Follow spelling conventions.
4512 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
4514 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
4515 warn about C++0x compatibility.
4517 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
4519 * config/h8300/h8300.c, config/h8300/h8300.h,
4520 config/h8300/h8300.md: Follow spelling conventions.
4522 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
4525 * combine.c (try_combine): Do not substitute source operand
4526 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
4528 2007-02-03 Jan Hubicka <jh@suse.cz>
4530 PR gcov-profile/30650
4531 * value-prof.c (stringop_block_profile): Fix handling of size counter;
4532 do not divide by zero for never executed counters.
4533 (tree_find_values_to_profile): Fix counters.
4534 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
4536 2007-02-03 Ian Lance Taylor <iant@google.com>
4538 * lower-subreg.c (simple_move_operand): New static function,
4539 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
4541 (simple_move): Call simple_move_operand.
4542 (find_decomposable_subregs): Add special handling of MEMs.
4543 (can_decompose_p): Rename from cannot_decompose_p. Reverse
4544 meaning of return value. If we see a hard register, test whether
4545 it can store a word_mode value. Change all callers.
4547 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4549 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
4550 ftrapv insns and expanders.
4551 (subdi3): Change define_expand operand 1 to arith11_operand, and
4552 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
4553 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
4554 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
4558 * varasm.c (notice_global_symbol): Treat global objects as weak when
4561 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4563 * emit-rtl.c (dconstpi): Delete.
4565 (init_emit_once): Delete dconstpi and init dconstsqrt2.
4566 * real.h (dconstpi): Delete.
4568 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
4569 (fold_builtin_hypot): Likewise.
4571 2007-02-03 Tom Tromey <tromey@redhat.com>
4574 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
4575 -gcoff3, -gxcoff3, -gvms3 implies -dD.
4577 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
4579 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
4580 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
4581 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
4582 config/rs6000/cell.md, config/rs6000/darwin.h,
4583 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
4584 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
4585 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
4586 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
4587 typos. Follow spelling conventions.
4588 * doc/invoke.texi: Follow spelling conventions.
4590 2007-02-03 Roger Sayle <roger@eyesopen.com>
4592 * simplify-rtx.c (simplify_relational_operation_1): Implement some
4593 canonicalization transformations that attempt to simplify integer
4594 constant comparisons to become comparisons against zero.
4596 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4598 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
4600 * fold-const.c (fold_binary): Fix comment typos. Fold complex
4601 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
4603 2007-02-02 Mike Stump <mrs@apple.com>
4605 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
4606 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
4607 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
4608 generate a branch island.
4610 2007-02-02 Bob Wilson <bob.wilson@acm.org>
4612 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
4613 (xtensa_legitimate_address_p): New.
4614 (xtensa_legitimize_address): New.
4615 (xtensa_output_addr_const_extra): New.
4616 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
4618 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
4619 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
4620 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
4621 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
4622 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
4623 (xtensa_legitimize_address): New.
4624 (xtensa_output_addr_const_extra): New.
4626 2007-02-02 Steve Ellcey <sje@cup.hp.com>
4628 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
4630 2007-02-02 Ian Lance Taylor <iant@google.com>
4632 * expmed.c (expand_divmod): Add comment.
4634 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
4636 * emit-rtl.c (renumber_insns): Remove.
4637 * flags.h: Remove the extern for flag_renumber_insns.
4638 * rtl.h: Remove the prototype for renumber_insns.
4639 * toplev.c (flag_renumber_insns): Remove.
4641 2007-02-02 Hui-May Chang <hm.chang@apple.com>
4643 Revert for x86 darwin:
4644 2005-06-19 Uros Bizjak <uros@kss-loka.si>
4646 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
4647 code before the following patch under TARGET_MACHO.
4648 (ix86_function_value_regno_p): Likewise.
4650 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4652 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
4655 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4658 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
4659 general or fp registers. Add comments.
4660 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
4662 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
4664 * pointer-set.c (insert_aux): Only return insertion slot.
4665 (pointer_set_insert): Adjust.
4666 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
4667 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
4668 pointer_map_traverse): New.
4669 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
4670 pointer_map_create, pointer_map_destroy, pointer_map_insert,
4671 pointer_map_contains, pointer_map_traverse): Declare.
4673 2007-02-02 Jakub Jelinek <jakub@redhat.com>
4676 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
4677 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
4679 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4681 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
4683 (struct _dep): New type.
4684 (dep_t): New typedef.
4685 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
4686 (DEP_STATUS): New access macro. The macro with the same name was
4687 renamed to DEP_LINK_STATUS.
4688 (dep_init): Declare function
4690 (struct _dep_link): New type.
4691 (dep_link_t): New typedef.
4692 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
4693 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
4694 (DEP_LINK_STATUS): New macro.
4695 (debug_dep_links): New debug function.
4697 (struct _deps_list): New type.
4698 (deps_list_t): New typedef.
4699 (DEPS_LIST_FIRST): New access macro.
4700 (FOR_EACH_DEP_LINK): New cycle macro.
4701 (create_deps_list, free_deps_list, delete_deps_list): Declare
4703 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
4704 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
4705 (copy_deps_list_change_con): Ditto.
4707 (move_dep_link): Declare function.
4709 (struct _dep_node): New type.
4710 (dep_node_t): New typedef.
4711 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
4713 (struct haifa_insn_data.back_deps): New field to hold backward
4714 dependencies of the insn.
4715 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
4717 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
4718 Change its type to deps_list_t.
4719 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
4720 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
4721 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
4723 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
4725 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
4727 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
4729 (dep_cost): Declare.
4731 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
4732 (ds_to_dk, dk_to_ds): New functions.
4734 (init_dep_1): New static function.
4735 (init_dep): New function.
4736 (copy_dep): New static function.
4738 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
4740 (detach_dep_link): New static function.
4741 (move_dep_link): New function.
4743 (dep_links_consistent_p, dump_dep_links): New static functions.
4744 (debug_dep_links): New debugging function.
4746 (deps_obstack, dl_obstack, dn_obstack): New static variables.
4748 (alloc_deps_list, init_deps_list): New static functions.
4749 (create_deps_list): New function.
4750 (clear_deps_list): New static function.
4751 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
4752 (deps_list_consistent_p, dump_deps_list): New static functions.
4753 (debug_deps_list): New function.
4754 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
4756 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
4758 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
4759 use new scheduler dependencies lists.
4760 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
4761 (sched_analyze): Ditto. Initialize dependencies lists.
4762 (add_forw_dep, compute_forward_dependences): Update to use new
4763 scheduler dependencies lists.
4765 (init_dependency_caches): Init deps_obstack.
4766 (free_dependency_caches): Free deps_obstack.
4768 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
4769 new scheduler dependencies lists.
4770 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
4771 (add_back_forw_dep, delete_back_forw_dep): Ditto.
4773 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
4774 Update to use new scheduler dependencies lists.
4775 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
4776 (debug_dependencies): Ditto.
4777 (schedule_region): Update comments.
4779 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
4780 scheduler dependencies lists.
4781 (schedule_ebb): Update comments.
4783 * rtl.def (DEPS_LIST): Remove.
4785 * lists.c (unused_deps_list): Remove.
4786 (free_list): Update assertions.
4788 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
4789 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
4791 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
4792 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
4794 * haifa-sched.c (comments): Update.
4795 (insn_cost1): Remove. Inline the code into insn_cost ().
4796 (insn_cost): Update to use new scheduler dependencies lists. Move
4797 processing of the dependency cost to dep_cost ().
4798 (dep_cost): New function. Use it instead of insn_cost () when
4799 evaluating cost of the dependency. Use compatible interface to
4800 interact with the target.
4801 (priority): Update to use new scheduler dependencies lists.
4802 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
4803 with greater number of insns that depend on the insn.
4804 (schedule_insn): Update to use new scheduler dependencies lists. Add
4805 code to free backward dependencies lists. Inline and optimize code
4806 from resolve_dep () - see PR28071.
4807 (ok_for_early_queue_removal): Update to use new scheduler dependencies
4808 lists. Update call to targetm.sched.is_costly_dependence hook.
4810 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
4811 scheduler dependencies lists.
4813 (resolve_dep): Remove. Move the logic to schedule_insn ().
4814 (init_h_i_d): Initialize dependencies lists.
4816 (process_insn_depend_be_in_spec): Rename to
4817 process_insn_forw_deps_be_in_spec. Update to use new scheduler
4819 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
4820 Update to use new scheduler dependencies lists.
4821 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
4823 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
4824 new scheduler dependencies lists.
4825 (build_intra_loop_deps): Ditto.
4827 * target.h (struct _dep): Declare to use in
4828 gcc_target.sched.is_costly_dependence.
4829 (struct gcc_target.sched.adjust_cost): Fix typo.
4830 (struct gcc_target.sched.is_costly_dependence): Change signature to use
4831 single dep_t parameter instead of an equivalent triad.
4832 (struct gcc_target.sched.adjust_cost_2): Remove.
4834 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
4836 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
4838 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
4840 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
4842 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
4843 (REG_DEP_TRUE): Document.
4845 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
4846 Change signature to correspond to the targetm.sched.adjust_cost hook.
4847 Update use in TARGET_SCHED_ADJUST_COST_2.
4848 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
4849 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
4850 new scheduler dependencies lists.
4851 (ia64_gen_check): Ditto.
4853 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
4856 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
4857 signature to correspond to the targetm.sched.is_costly_dependence hook.
4858 (is_costly_group): Update to use new scheduler dependencies lists.
4860 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
4861 instead of INSN_COST () macro.
4863 2007-02-01 Ian Lance Taylor <iant@google.com>
4865 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
4867 2007-02-01 Guy Martin <gmsoft@gentoo.org>
4869 * pa.md (tp_load): Correct mfctl instruction syntax.
4871 2007-02-01 Geoffrey Keating <geoffk@apple.com>
4873 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
4874 altivec_padding_size calculation on AIX. Improve comment, add
4875 assert to verify that it's right.
4877 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
4880 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
4883 * global.c (global_alloc): Add mising initialization of
4886 2007-02-01 Roger Sayle <roger@eyesopen.com>
4888 * alias.c (init_alias_analysis): Correct whitespace.
4889 * bb-reorder.c (fix_edges_for_rarely_executed_code,
4890 partition_hot_cold_basic_blocks): Likewise.
4891 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
4892 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
4893 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
4894 fold_builtin_snprintf_chk, fold_builtin_printf,
4895 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
4896 do_mpfr_arg3, do_mpfr_sincos): Likewise.
4897 * cfgcleanup.c (cleanup_cfg): Likewise.
4898 * cfgexpand.c (tree_expand_cfg): Likewise.
4899 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
4900 * function.c (get_next_funcdef_no): Likewise.
4901 * gengtype.c (main): Likewise.
4902 * genmodes.c (main): Likewise.
4903 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
4904 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
4905 * ifcvt.c (noce_emit_move_insn): Likewise.
4906 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
4908 * stor-layout.c (get_best_mode): Likewise.
4909 * tree-ssa-loop-niter.c (get_val_for): Likewise.
4910 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
4911 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
4912 perform_var_substitution, solve_graph): Likewise.
4913 * tree-vrp.c (vrp_finalize): Likewise.
4915 2007-02-01 Ian Lance Taylor <iant@google.com>
4917 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
4918 high part of a paradoxical subreg, return a constant zero.
4920 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
4922 * toplev.c (lang_dependent_init): Call init_set_costs.
4923 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
4925 2007-02-01 Richard Guenther <rguenther@suse.de>
4928 * fold-const.c (fold_negate_expr): Allow negating a
4929 constant if overflow does not change.
4931 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4933 * doc/c-tree.texi (Expression trees): Improve markup.
4934 * doc/tm.texi (Register Classes, Addressing Modes)
4935 (Floating Point): Fix spacing after abbreviations. Fix some
4938 2007-02-01 Ben Elliston <bje@au.ibm.com>
4940 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
4941 * doc/contrib.texi: Likewise.
4942 * doc/install.texi: Likewise.
4944 2007-01-31 Richard Henderson <rth@redhat.com>
4945 Ian Lance Taylor <iant@google.com>
4947 * lower-subreg.c: New file.
4948 * rtl.def (CONCATN): Define.
4949 * passes.c (init_optimization_passes): Add pass_lower_subreg and
4951 * emit-rtl.c (update_reg_offset): New static function, broken out
4952 of gen_rtx_REG_offset.
4953 (gen_rtx_REG_offset): Call update_reg_offset.
4954 (gen_reg_rtx_offset): New function.
4955 * regclass.c: Revert patch of 2006-03-05, restoring
4957 (clear_reg_info_regno): New function.
4958 * dwarf2out.c (concatn_loc_descriptor): New static function.
4959 (loc_descriptor): Handle CONCATN.
4960 * common.opt (fsplit_wide_types): New option.
4961 * opts.c (decode_options): Set flag_split_wide_types when
4963 * timevar.def (TV_LOWER_SUBREG): Define.
4964 * rtl.h (gen_reg_rtx_offset): Declare.
4965 (reg_scan_update): Declare.
4966 * regs.h (clear_reg_info_regno): Declare.
4967 * tree-pass.h (pass_lower_subreg): Declare.
4968 (pass_lower_subreg2): Declare.
4969 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
4970 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
4972 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
4973 * Makefile.in (OBJS-common): Add lower-subreg.o.
4974 (lower-subreg.o): New target.
4976 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
4978 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
4980 2007-01-31 Anatoly Sokolov <aesok@post.ru>
4983 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
4985 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4988 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
4990 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
4992 * cfgloop.h: Include vec-prim.h.
4993 (enum li_flags): Remove LI_ONLY_OLD.
4994 (loop_iterator): Changed.
4995 (fel_next, fel_init): Iterate over loop tree.
4996 (FOR_EACH_LOOP_BREAK): New macro.
4997 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
4999 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
5000 * modulo-sched.c (sms_schedule): Ditto.
5001 * tree-vectorizer.c (vectorize_loops): Ditto.
5002 * doc/loop.texi: Update information on loop numbering and behavior of
5003 FOR_EACH_LOOP wrto new loops.
5004 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5005 add_to_evolution_1): Test nestedness of loops instead of comparing
5007 * tree-chrec.c (chrec_fold_plus_poly_poly,
5008 chrec_fold_multiply_poly_poly, chrec_evaluate,
5009 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
5010 reset_evolution_in_loop): Ditto.
5011 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
5013 2007-01-31 Dirk Mueller <dmueller@suse.de>
5015 * c-common.c (warn_about_parentheses): Separate warning about
5016 un-parenthized sequence of comparison operators from the one
5017 which is supposed to warn about x <= y <= z.
5019 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
5021 * optabs.h (enum optab_index): Add new OTI_isinf.
5022 (isinf_optab): Define corresponding macro.
5023 * optabs.c (init_optabs): Initialize isinf_optab.
5024 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
5026 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
5027 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
5029 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
5030 expand_builtin_interclass_mathfn.
5031 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
5032 * config/i386/i386.md (UNSPEC_FXAM): New constant.
5033 (fxam<mode>2_i387): New insn pattern.
5034 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
5035 built-in functions as x87 inline asm.
5037 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
5039 * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
5041 2007-01-30 Eric Christopher <echristo@apple.com>
5043 * config.gcc: Add geode.
5045 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
5047 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
5048 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
5049 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
5050 value-prof.c: Fix comment typos.
5052 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5055 * doc/invoke.texi (Wpointer-arith): Document warning.
5057 2007-01-30 Janis Johnson <janis187@us.ibm.com>
5059 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
5060 the list of discrepancies from the draft TR.
5062 2007-01-30 Dirk Mueller <dmueller@suse.de>
5065 * doc/invoke.texi (-Wreturn-type): Update description to
5068 2007-01-30 Richard Sandiford <richard@codesourcery.com>
5070 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
5072 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
5074 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
5075 to handle optabs that operate on floating point input argument and
5076 output to integer output.
5077 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
5078 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
5079 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
5080 expand_builtin_interclass_mathfn ().
5081 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
5083 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
5084 ilogbl built-in functions as x87 intrinsics.
5086 2007-01-30 Richard Guenther <rguenther@suse.de>
5089 * dwarf2out.c (reference_to_unused): Query varpool if the
5090 variable was output.
5092 2007-01-30 Richard Guenther <rguenther@suse.de>
5095 * passes.c (execute_one_pass): Reset in_gimple_form to not
5096 confuse non-unit-at-a-time mode.
5098 2007-01-29 Roger Sayle <roger@eyesopen.com>
5099 Richard Guenther <rguenther@suse.de>
5101 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
5102 avoid undefined behaviour on overflow. Use force_fit_type_double
5103 to construct the constant with the specified TREE_OVERFLOW.
5105 2007-01-29 Janis Johnson <janis187@us.ibm.com>
5107 * config/dfp-bit.c: Add parameterized support for fp exceptions.
5108 * config/dfp-bit.h: Ditto.
5110 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5112 * c-decl.c (pop_scope): Replace warnings with call to
5113 warn_for_unused_label.
5114 * c-common.h (warn_for_unused_label): Declare.
5115 * c-common.c (warn_for_unused_label): Define.
5117 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5119 * tree-optimize.c (update_inlined_to_pointers): Delete unused
5122 2007-01-29 Janis Johnson <janis187@us.ibm.com>
5124 * Makefile.in (USER_H): Remove decfloat.h.
5125 * ginclude/decfloat.h: Delete, moving contents to ...
5126 * ginclude/float.h: Add support for decimal floating point,
5127 guarded by __STDC_WANT_DEC_FP__.
5129 2007-01-29 Mike Stump <mrs@apple.com>
5131 * doc/gccint.texi (Top): Rename Loop Representation to Loop
5132 Analysis and Representation to resolve case insensitive conflict.
5133 * doc/loop.texi (Loop Analysis and Representation): Likewise.
5135 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
5137 * tree.h (struct tree_memory_tag): Add aliases member.
5138 (MTAG_ALIASES): New macro.
5139 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
5140 (add_may_alias): Remove pointer-set. Update for may_aliases being
5142 (mark_aliases_call_clobbered): Update for may_aliases being a
5144 (compute_tag_properties): Ditto.
5145 (create_partition_for): Ditto.
5146 (compute_memory_partitions): Ditto.
5147 (dump_may_aliases_for): Ditto.
5148 (is_aliased_with): Ditto.
5149 (add_may_alias_for_new_tag): Ditto.
5150 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
5151 (compute_is_aliased): New function.
5152 (compute_may_aliases): Call compute_is_aliased).
5153 (init_alias_info): Initialize alias_bitmap_obstack.
5154 (union_alias_set_into): New function.
5155 (compute_flow_sensitive_aliasing): Use union_aliases_into.
5156 (have_common_aliases_p): Rewrite to take two bitmaps and use
5158 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
5160 (finalize_ref_all_pointers): Update for add_may_alias changes.
5161 (new_type_alias): Ditto.
5162 * tree-flow-inline.h (may_aliases): Return a bitmap.
5163 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
5164 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
5165 may_aliases being a bitmap.
5166 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
5167 may_aliases now returns a bitmap.
5168 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
5170 * tree-ssa-operands.c (add_virtual_operand): Update for
5171 may_aliases being a bitmap.
5173 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
5175 PR tree-optimization/30630
5176 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
5177 variable as changed.
5179 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
5182 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
5183 expanded only once even if an error occurs.
5185 2007-01-29 Ben Elliston <bje@au.ibm.com>
5187 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
5188 (__gcov_average_profiler): Likewise.
5189 (__gcov_ior_profiler): Likewise.
5190 (__gcov_merge_ior): Likewise.
5192 2007-01-28 Jan Hubicka <jh@suse.cz>
5194 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
5195 * value-prof.c (stringop_block_profile): Likewise.
5197 2007-01-28 Jan Hubicka <jh@suse.cz>
5199 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
5200 variant handling histograms; add wrapper.
5201 (clear_storage_via_libcall): Export.
5202 (emit_block_move_hints): Break out from ...; add histograms.
5203 (emit_block_move): ... this one.
5204 (clear_storage_hints): Break out from ...; add histograms.
5205 (clear_storage): ... this one.
5206 (set_storage_via_memset): Handle histogram.
5207 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
5208 (clear_storage_hints, clear_storage_via_libcall): Declare.
5209 (set_storage_via_setmem): Update prototype.
5210 * doc/md.texi (movmem, setmem): Document new arguments.
5212 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
5214 (stringop_block_profile): New global function.
5215 (tree_stringops_values_to_profile): Profile block size and alignment.
5216 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
5218 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
5219 (stringop_block_profile): Declare.
5220 * builtins.c: Include value-prof.h.
5221 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
5222 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
5223 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
5224 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
5225 * profile.c (instrument_values): Add new counters.
5226 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
5228 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
5229 (tree_init_edge_profiler): Build new profilers.
5230 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
5231 (pass_tree_profile): Add dump.
5232 (tree_profile_hooks): Update.
5233 * Makefile.in (LIBGCOV): Add new constants.
5234 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
5235 __gcov_ior_profiler): New.
5236 * i386.md (movmem/setmem expanders): Add new optional arguments.
5238 2007-01-28 David Edelsohn <edelsohn@gnu.org>
5240 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
5242 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
5244 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
5245 (tree_unswitch_single_loop): Pass eni_size_weights to
5246 tree_num_loop_insns.
5247 * tree-ssa-loop-manip.c: Include tree-inline.h.
5248 (can_unroll_loop_p): Pass eni_size_weights to
5249 tree_num_loop_insns.
5250 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
5251 Pass eni_size_weights to estimate_num_insns.
5252 * tree.h (init_inline_once): Export.
5253 * toplev.c (backend_init): Call init_inline_once.
5254 * cgraphunit.c (cgraph_process_new_functions,
5255 cgraph_analyze_function): Pass eni_inlining_weights to
5257 * ipa-inline.c (compute_inline_parameters): Ditto.
5258 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
5259 to estimate_num_insns.
5260 (try_unroll_loop_completely): Pass eni_size_weights to
5261 tree_num_loop_insns.
5262 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
5263 ot estimate_num_insns.
5264 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
5265 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
5266 * tree-inline.c (eni_inlining_weights, eni_size_weights,
5267 eni_time_weights): New variables.
5268 (init_inline_once): Initialize them.
5269 (struct eni_data): Mew.
5270 (estimate_num_insns_1, estimate_num_insns): Use weights.
5271 * tree-inline.h (struct eni_weights_d): New.
5272 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
5273 (estimate_num_insns): Declaration changed.
5274 * cfgloop.h (tree_num_loop_insns): Declaration changed.
5275 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
5276 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
5278 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
5280 * tree-data-ref.c (conflict_fn): Assert that the number of affine
5281 relations in the conflict function is valid.
5283 2007-01-27 Ian Lance Taylor <iant@google.com>
5285 * common.opt: Add fstrict-overflow.
5286 * opts.c (decode_options): Set flag_strict_overflow if -O2.
5287 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
5288 (TYPE_OVERFLOW_UNDEFINED): Define.
5289 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
5291 * tree.h (TYPE_TRAP_SIGNED): Don't define.
5292 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
5293 (fold_negate_expr): Likewise.
5294 (make_range): Likewise.
5295 (extract_muldiv_1): Likewise.
5296 (maybe_canonicalize_comparison): Likewise.
5297 (fold_comparison): Likewise.
5298 (fold_binary): Likewise.
5299 (tree_expr_nonnegative_p): Likewise.
5300 (tree_expr_nonzero_p): Likewise.
5301 * tree-vrp.c (compare_values): Likewise.
5302 (extract_range_from_binary_expr): Likewise.
5303 (extract_range_from_unary_expr): Likewise.
5304 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
5306 (nowrap_type_p): Likewise.
5307 * tree-scalar-evolution.c (simple_iv): Likewise.
5308 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
5309 (build_range_check): Likewise.
5310 (extract_muldiv_1): Likewise.
5311 (fold_comparison): Likewise.
5312 * tree-vrp.c (vrp_int_const_binop): Likewise.
5313 (extract_range_from_unary_expr): Likewise.
5314 * convert.c (convert_to_integer): Likewise.
5315 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
5316 (fold_comparison): Likewise.
5317 (fold_binary): Likewise.
5318 * optabs.c (optab_for_tree_code): Likewise.
5319 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
5320 * simplify-rtx.c (simplify_const_relational_operation): Check
5321 flag_strict_overflow and flag_trapv.
5322 (simplify_const_relational_operation): Likewise.
5323 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
5324 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
5327 2007-01-27 Roger Sayle <roger@eyesopen.com>
5329 * tree.c (tree_fold_gcd): Delete.
5330 * tree.h (tree_fold_gcd): Remove prototype.
5331 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
5332 test whether one constant integer is a multiple of another. Instead
5333 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
5334 * fold-const.c (multiple_of_p): We've determined both TOP and
5335 BOTTOM are integer constants so we can call int_const_binop directly
5336 instead of the more generic const_binop.
5338 2007-01-27 Roger Sayle <roger@eyesopen.com>
5340 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
5341 1*X check that the constant hasn't overflowed, to preserve the
5343 (round_up): Provide an efficient implementation when rouding-up an
5344 INTEGER_CST to a power-of-two.
5346 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5348 * doc/sourcebuild.texi: Add comma for clarity.
5349 * doc/extend.texi: Fix some typos.
5350 * doc/passes.texi: Likewise.
5351 * doc/cppinternals.texi: Likewise.
5352 * doc/c-tree.texi: Likewise.
5353 * doc/tree-ssa.texi: Likewise.
5354 * doc/install.texi: Likewise.
5356 2007-01-27 Jan Hubicka <jh@suse.cz>
5358 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
5359 (pass_sra): Do not require alias information.
5360 * passes.c (init_optimization_passes): Add SRA
5362 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
5364 * tracer.c (rest_of_handle_tracer): We already cleaned
5365 up the CFG in tracer() so don't do it here again.
5366 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
5367 cleanup_cfg here, either. And don't call renumber_insns.
5369 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
5370 and BB_HEAD are in the insn stream here. Instead make sure
5371 that BB_INSN is valid on all insns. Also, do check here that
5372 there are no pending branch predictions...
5373 (rtl_verify_flow_info): ...instead of doing it here. Checks
5374 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
5377 2007-01-26 Roger Sayle <roger@eyesopen.com>
5379 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
5380 function to simplify/factorize operand order canonicalization.
5381 (ix86_fixup_binary_operands): Reorganize using the above function.
5382 (ix86_binary_operator_ok): Likewise.
5384 2007-01-27 Jakub Jelinek <jakub@redhat.com>
5386 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
5387 file scope from optimize_attrs.
5388 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
5390 (optimize_attrs): Clear insn_code_values after freeing it.
5392 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
5394 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
5395 a parts.base assignment.
5397 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
5399 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
5400 (compute_subscript_distance, initialize_data_dependence_relation,
5401 finalize_ddr_dependent, analyze_ziv_subscript,
5402 analyze_siv_subscript_cst_affine,
5403 compute_overlap_steps_for_affine_univar,
5404 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
5405 analyze_siv_subscript, analyze_miv_subscript,
5406 analyze_overlapping_iterations, subscript_dependence_tester_1,
5407 compute_self_dependence, free_dependence_relation): Work
5408 with affine_fn instead of chrecs.
5409 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
5410 common_affine_function, affine_function_base,
5411 affine_function_constant_p, affine_fn_op, affine_fn_plus,
5412 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
5413 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
5414 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
5415 (all_chrecs_equal_p): Removed.
5416 * tree-data-ref.h (affine_fn, conflict_function): New types.
5417 (struct subscript): Change type of conflicting_iterations_in_a
5418 and conflicting_iterations_in_b.
5420 2007-01-26 Steve Ellcey <sje@cup.hp.com>
5423 * config/pa/pa.h (TARGET_HPUX_11): New.
5424 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
5425 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
5427 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
5428 Richard Guenther <rguenther@suse.de>
5430 * tree-ssa-structalias.c (solve_graph): Handle case
5431 we merged the variable to another.
5433 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5435 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
5438 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
5439 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
5441 2007-01-25 DJ Delorie <dj@redhat.com>
5443 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
5444 allow changes to modes which don't fit in those registers.
5446 * reload1.c (choose_reload_regs): Check for invalid subregs before
5447 computing their locations, not after.
5449 2007-01-25 Geoffrey Keating <geoffk@apple.com>
5452 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
5453 save Altivec registers in an eh_return function.
5454 (compute_vrsave_mask): Likewise.
5455 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
5456 for saving Altivec registers.
5457 (rs6000_emit_prologue): Don't allocate stack twice in
5458 eh_return function. Correct expected value of altivec_save_offset
5459 when using save_world. Describe save of R0 to stack when using
5460 save_world. Describe stack pointer adjustment when using
5461 save_world. Remove duplicated eh_return parameter register saving.
5462 Update sp_offset variable after save_world.
5463 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
5465 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
5466 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
5469 2007-01-25 Steve Ellcey <sje@cup.hp.com>
5471 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
5473 2007-01-25 Steve Ellcey <sje@cup.hp.com>
5476 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
5477 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
5479 2007-01-25 Richard Guenther <rguenther@suse.de>
5481 * doc/invoke.texi (-Wcoverage-mismatch): Document.
5482 * common.opt (-Wcoverage-mismatch): New warning option.
5483 * coverage.c (get_coverage_counts): Ignore coverage mismatch
5484 if -Wcoverage-mismatch is given.
5486 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
5488 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
5489 (ipcp_driver): Change to static definition.
5490 Add dumping of the ifunctions.
5491 (constant_val_insert): Remove unused parameter. Support for SSA.
5492 (ipcp_propagate_const): Support for SSA.
5493 (ipcp_profile_bb_print): Print only analyzed nodes.
5494 (ipcp_replace_map_create): Remove support for Fortran constant
5496 * ipa-prop.c (ipa_method_modify_stmt,
5497 ipa_callsite_compute_param): Support for SSA.
5498 * ipa-prop.h (ipcp_driver): Remove declaration.
5499 (IS_VALID_TREE_MAP_INDEX): Add define.
5501 2007-01-24 Geoffrey Keating <geoffk@apple.com>
5503 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
5505 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5508 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
5509 constant argument to cabs and do it without checking for
5510 -funsafe-math-optimizations.
5512 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
5514 * c-common.h (RID_FIRST_CXX0X): New.
5515 (RID_LAST_CXX0X): New.
5516 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
5518 * c.opt (Wc++0x-compat): New.
5519 * doc/invoke.texi (-Wc++0x-compat): Document.
5521 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5523 * builtins.c (fold_builtin_carg): New.
5524 (fold_builtin_1): Use it.
5526 2007-01-24 Jan Hubicka <jh@suse.cz>
5528 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
5530 * ipa-inline.c (initial_insns, max_insns): Delete.
5531 (compute_max_insns): New function.
5532 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
5533 of insns as base for code growth.
5534 (cgraph_decide_inlining): Make initial_insns local; do not compute
5536 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
5537 * doc/invoke.texi (inline-unit-growth): Update docs.
5539 2007-01-24 Jakub Jelinek <jakub@redhat.com>
5541 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
5542 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
5543 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
5544 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
5545 for CPUs that have PTA_CX16 set.
5548 * gimplify.c (omp_check_private): New function.
5549 (gimplify_scan_omp_clauses): Use it for
5550 firstprivate/lastprivate/reduction.
5553 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
5554 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
5557 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
5558 If lower_lastprivate_clauses emits some statements, append them
5559 to dlist rather than body_p and to body_p append an initializer.
5560 (lower_omp_for): Adjust caller.
5562 2007-01-24 Steve Ellcey <sje@cup.hp.com>
5564 * target.h (globalize_decl_name): New.
5565 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
5566 * output.h (default_globalize_decl_name): New.
5567 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
5569 (globalize_decl): Ditto.
5570 (default_globalize_decl_name): New.
5571 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
5572 (ia64_handle_version_id_attribute): New.
5573 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
5574 (ia64_asm_output_external): Use globalize_decl_name instead
5576 * doc/extend.texi (version_id): New pragma.
5577 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
5579 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
5581 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
5582 _uleb128_t and _Unwind_SWord with _sleb128_t.
5583 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
5584 uw_frame_state_for, uw_update_context_1): Likewise.
5585 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
5586 * unwind-pe.h (read_uleb128, read_sleb128,
5587 read_encoded_value_with_base): Likewise.
5588 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
5590 2007-01-24 Richard Guenther <rguenther@suse.de>
5592 * builtins.c (expand_builtin_cexpi): Get the fndecl
5593 for cexp in the correct way.
5595 2007-01-24 Jan Hubicka <jh@suse.cz>
5597 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
5599 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
5601 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
5602 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
5603 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
5604 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
5605 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
5606 __SIZEOF_PTRDIFF_T__.
5607 * doc/cpp.texi: Documentation for the new builtin macros added.
5609 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
5611 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
5612 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
5613 instead of operands[2] to avoid access past the end of array.
5615 2007-01-24 Richard Sandiford <richard@codesourcery.com>
5617 * reload1.c (emit_reload_insns): Pass the reload register
5618 for a non-spill output reload through forget_old_reloads_1.
5620 2007-01-23 Joseph Myers <joseph@codesourcery.com>
5622 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5623 _SOFT_DOUBLE if doubles use software floating-point.
5624 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
5625 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
5626 * config/rs6000/darwin-ldouble.c: Also compile functions for
5627 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
5628 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
5629 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
5630 commented-out long double override.
5631 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
5632 * config/rs6000/eabispe.h: Likewise.
5633 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
5634 long double for non-SPE.
5635 (rs6000_handle_option): Likewise.
5636 (invalid_e500_subreg): Disallow more subregs involding DImode,
5637 DFmode, TImode or TFmode.
5638 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
5640 (legitimate_lo_sum_address_p): Also check for TFmode for E500
5642 (rs6000_legitimize_address): Also handle TFmode for E500 double.
5643 (rs6000_legitimize_reload_address): Also handle TFmode for E500
5645 (rs6000_legitimate_address): Also check for TFmode for E500
5647 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
5648 (spe_build_register_parallel): Handle TFmode and TCmode.
5649 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
5651 (function_arg): Handle TFmode and TCmode for E500 double.
5652 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
5654 (print_operand): Handle TFmode and TImode for %y.
5655 (rs6000_generate_compare): Handle TFmode comparisons for E500
5657 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
5658 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
5659 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
5660 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
5661 TFmode for E500 double.
5662 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
5663 (floatsidf2): Enable for E500 double.
5664 (movtf_softfloat): Use rs6000_nonimmediate_operand.
5665 (extenddftf2): Change to extenddftf2_fprs.
5666 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
5667 depending on TARGET_E500_DOUBLE.
5668 (extendsftf2): Enable for E500 double.
5669 (trunctfdf2): Enable for E500 double.
5670 (trunctfsf2): Change to trunctfsf2_fprs.
5671 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
5672 depending on TARGET_E500_DOUBLE.
5673 (floatsitf2): Enable for E500 double.
5674 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
5675 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
5676 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
5677 (negtf2): Change to negtf2_internal.
5678 (negtf2): New expander.
5679 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
5680 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
5681 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
5682 (movdi_internal32): Use rs6000_nonimmediate_operand.
5683 (unnamed splitter): Likewise.
5684 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
5685 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
5686 (SPE64TF, DITI): New mode macros.
5687 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
5690 (frob_<mode>_di_2): New.
5691 (frob_tf_di_8_2): New.
5692 (frob_di_df): Change to frob_di_<mode>; allow more modes.
5694 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
5696 (frob_ti_<mode>_8_2): New.
5697 (frob_ti_tf_2): New.
5698 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
5699 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
5701 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
5702 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
5703 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
5704 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
5705 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
5706 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
5709 2007-01-23 Ian Lance Taylor <iant@google.com>
5711 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
5713 (OBJS-archive): Reformat, alphabetize.
5714 (OBJS): Change out_object_file to OBJS-md.
5716 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
5718 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
5719 JUMP_P and CALL_P predicates where applicable.
5720 * config/i386/i386.c: Ditto.
5721 * config/i386/i386.md: Ditto.
5722 * config/i386/mmx.md: Ditto.
5723 * config/i386/predicates.md: Ditto.
5725 2007-01-22 Andreas Schwab <schwab@suse.de>
5727 * config/m68k/m68k.h: Fix comment.
5729 2007-01-22 Jan Hubicka <jh@suse.cz>
5731 * passes.c (init_optimization_passes): Do not rerun
5732 pass_early_warn_uninitialized.
5734 2007-01-22 Richard Guenther <rguenther@suse.de>
5736 PR tree-optimization/30038
5737 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
5739 (execute_cse_sincos_1): Likewise.
5740 (execute_cse_sincos): Likewise.
5741 (gate_cse_sincos): Likewise.
5742 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
5743 the cexpi() canonicalization of sincos().
5744 * tree-pass.h (pass_cse_sincos): Declare.
5745 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
5747 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5749 PR rtl-optimization/29329
5750 * combine.c (replaced_rhs_insn): Rename to i2mod.
5751 (replaced_rhs_value): Rename to i2mod_new_rhs.
5752 (i2mod_old_rhs): New global variable.
5753 (combine_instructions): Adjust for above change. Save a copy of
5754 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
5755 note are substituted in the second instruction.
5756 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
5757 ditch the note if it pertains to the second eliminated register
5758 and this register is mentioned in i2mod_old_rhs.
5761 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5763 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5764 the insn to which the note was originally attached.
5766 2007-01-21 Jan Hubicka <jh@suse.cz>
5768 * ipa-inline.c (inlining_mode): Comment, move up.
5769 (cgraph_decide_inlining_incrementally): Do not perform inlining
5770 itself; fix handling of flattening of self recursive functions.
5771 (cgraph_find_cycles): Remove.
5772 (cgraph_flatten_node): Remove.
5773 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
5774 (try_inline): New function.
5775 (cgraph_early_inlining): Update call of
5776 cgraph_decide_inlining_incrementally. Apply inlining here.
5777 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
5779 2007-01-21 Dirk Mueller <dmueller@suse.de>
5782 * tree-vrp.c (check_array_bounds): do not warn
5783 about ADDR_EXPR's of ARRAY_REF's which are immediately
5784 used in binary expressions.
5786 2007-01-21 Ira Rosen <irar@il.ibm.com>
5788 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
5789 read_write_dep and macros for its access.
5790 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
5791 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
5792 argument, call vect_check_interleaving for every independent pair of
5793 data-refs. Mark loads that access the same memory location as a store
5795 (vect_check_dependences): Remove.
5796 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
5797 call, fix the call to vect_analyze_data_ref_dependence.
5798 (vect_analyze_data_ref_access): For statements that access the same
5799 data-ref, check that they are not stores; for loads, check that there
5800 is no store that access the same location.
5802 2007-01-20 Roger Sayle <roger@eyesopen.com>
5803 Joseph Myers <joseph@codesourcery.com>
5805 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
5806 (-fdump-rtl-stack): Likewise.
5807 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
5808 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
5809 (-mpt-fixed): Use @minus{} for minus sign.
5810 (Using Precompiled Headers): Fix under/overfull hbox.
5812 2007-01-20 Jan Hubicka <jh@suse.cz>
5814 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
5815 place within annotation.
5817 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5819 * pa.c (output_move_double): Change array size of xoperands to 4.
5821 2007-01-20 Jan Hubicka <jh@suse.cz>
5823 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
5826 2007-01-19 Ian Lance Taylor <iant@google.com>
5828 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
5829 constant to unsigned HOST_WIDE_INT before negating.
5831 2007-01-19 Ian Lance Taylor <iant@google.com>
5833 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
5835 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
5836 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
5837 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
5838 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
5839 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
5840 (realloc_vdef, realloc_vuse): Change second parameter to
5842 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
5844 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
5845 unsigned. Change x and lim locals to unsigned.
5846 (realloc_vdef, realloc_vuse): Change num_elem parameter to
5848 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
5849 (copy_virtual_operands): Change i and n locals to unsigned.
5851 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5854 * builtins.c (fold_builtin_1): Handle builtin fdim.
5856 2007-01-20 Jan Hubicka <jh@suse.cz>
5858 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
5859 * tree-ssa-structalias.c (compute_points_to_sets): Do call
5860 init_alias_heapvars.
5861 (init_alias_heapvars): Initialize only when not already initialized.
5862 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
5864 2007-01-19 Roger Sayle <roger@eyesopen.com>
5866 * common.opt (fsigned-zeros): New command line option.
5867 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
5868 of flag_unsafe_math_optimizations.
5869 * opts.c (set_fast_math_flags): The -ffast-math command line option
5870 implies -fno-signed-zeros.
5871 (fast_math_flags_set_p): Likewise.
5873 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
5874 the documentation of -ffast-math appropriately. Wrap long lines.
5876 2007-01-19 Steve Ellcey <sje@cup.hp.com>
5878 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
5879 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
5881 2007-01-19 Tomas Bily <tbily@suse.cz>
5883 * cgraphunit.c (cgraph_finalize_function): Updating of pid
5885 (tree_init_ic_make_global_vars): New function
5886 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
5887 (tree_gen_ic_profiler): New function
5888 (tree_gen_ic_func_profiler): New function
5889 (tree_profiling): Added calling of tree_gen_ic_func_profiler
5890 (tree_profile_hooks): Added hook for indirec/virtual calls
5891 * value-prof.c (tree_find_values_to_profile): New case for
5893 (tree_values_to_profile): Call for determining indirect/virtual
5895 (tree_indirect_call_to_profile): New function
5896 (tree_ic_transform): New function
5897 (tree_ic): New function
5898 (find_func_by_pid): New function
5899 (init_pid_map): New function
5900 (tree_value_profile_transformations): Added check for
5901 indirect/virtual call transformation
5902 * value-prof.h (enum hist_type): New counter type for
5903 indirect/virtual calls
5904 (profile_hooks): Added new hook for profiling indirect/virtual
5906 * profile.c (instrument_values): New case for indirect/virtual
5908 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
5909 (GCOV_COUNTER_V_INDIR): New counter type
5910 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
5911 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
5913 * cgraph.c: Definition of cgraph_max_pid
5914 (cgraph_create_node): Default init of pid attribute
5915 * cgraph.h: Declaration of cgraph_max_pid
5916 (struct cgraph_node): Added pid attribute
5917 * libgcov.c (__gcov_indirect_call_profiler): New function
5918 (__gcov_one_value_profiler_body): New function
5919 (__gcov_one_value_profiler): Body was moved to
5920 __gcov_one_value_profiler_body and calls it
5922 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
5924 * doc/gty.texi (Options): Document the mark_hook option to GTY.
5925 * gengtype.c (write_types_data, write_func_for_structure,
5926 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
5927 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
5928 (walk_type, write_func_for_structure): Generate the mark_hook if
5931 2007-01-19 Jan Hubicka <jh@suse.cz>
5933 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
5934 'early' argument take inlining mode argument specifying whether to
5935 inline for size/speeed or all functions; add support for flattening;
5937 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
5939 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5942 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
5943 the name of the declared identifier.
5945 2007-01-19 Dirk Mueller <dmueller@suse.de>
5947 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
5948 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
5949 duplicate evaluation.
5951 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
5953 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
5954 Macroize expander using X87MODEF12 mode macro. Extend operand 1
5955 to XFMode, use acosxf2 and truncate result to requested mode.
5956 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5957 (asin<mode>2): Similarly, with asin expanders.
5958 (*fscalexf4_i387): Rename from *fscalexf4.
5959 (expNcorexf3): New expander.
5960 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
5961 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
5962 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
5963 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
5964 patterns for SSE math.
5965 (exp10<mode>2): Similarly, with exp10 expanders.
5966 (exp2<mode>2): Similarly, with exp2 expanders.
5967 (expm1<mode>2): Similarly, with expm1 expanders.
5968 (ldexp<mode>3): Similarly, with ldexp expanders.
5969 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
5970 Use gen_truncxf<mode>2_i387_noop to truncate result.
5972 2007-01-19 Richard Sandiford <richard@codesourcery.com>
5974 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
5975 for ColdFire targets.
5977 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
5978 Richard Sandiford <richard@codesourcery.com>
5980 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
5981 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
5982 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
5983 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
5984 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
5985 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
5987 2007-01-19 Richard Sandiford <richard@codesourcery.com>
5989 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
5990 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
5991 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
5992 (*adddi_dilshr32_cf): New pattern.
5993 (adddi3, subdi3): Remove first alternatives.
5995 2007-01-19 Richard Sandiford <richard@codesourcery.com>
5997 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
5998 implemented using move.l, do not use its cc result for floating-point
6001 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6003 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
6004 from accepting 's' constraints if flag_pic.
6006 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6008 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
6009 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
6010 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
6011 condition from TARGET_68881 to TARGET_HARD_FLOAT.
6013 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
6015 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
6016 ColdFire alternatives.
6017 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
6018 * config/m68k/m68k.md (clzsi2): Define for ColdFire
6019 architectures that support ff1 instruction.
6021 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6022 Julian Brown <julian@codesourcery.com>
6024 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
6025 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
6026 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
6029 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6031 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
6033 (output_move_const_into_data_reg, output_move_simode_const): Delete.
6034 * config/m68k/m68k.c (const_method, const_int_cost): Take a
6035 HOST_WIDE_INT instead of an rtx.
6036 (m68k_rtx_costs): Update call accordingly.
6037 (output_move_const_into_data_reg): Likewise. Fix formatting.
6038 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
6040 (output_move_simode_const): Update calls after above changes.
6041 Rework to use automatic variables and predicates like MEM_P.
6042 * config/m68k/m68k.md (pushexthisi_const): Update call to
6045 2007-01-19 Dirk Mueller <dmueller@suse.de>
6047 * tree-ssa-alias.c (perform_var_substitution): Fix typo
6050 2007-01-19 Richard Guenther <rguenther@suse.de>
6052 * builtins.c (expand_builtin_cexpi): Fall back to expanding
6053 via cexp in case sincos is not available.
6055 2007-01-19 Richard Guenther <rguenther@suse.de>
6057 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
6058 * defaults.h (TARGET_HAS_SINCOS): Default to off.
6059 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
6060 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
6061 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
6062 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
6063 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
6064 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
6066 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
6068 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
6070 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
6071 (atan2xf3): Directly generate RTL pattern.
6072 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
6073 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
6074 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
6075 disable patterns for SSE math.
6076 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
6077 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
6078 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
6079 disable patterns for SSE math.
6081 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
6083 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
6085 2007-01-18 Roger Sayle <roger@eyesopen.com>
6087 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
6088 VIEW_CONVERT_EXPR to the same type as it's operand.
6090 2007-01-18 David Edelsohn <edelsohn@gnu.org>
6092 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
6093 configured for long double 128.
6095 2007-01-18 Mike Stump <mrs@apple.com>
6097 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
6100 2007-01-18 Michael Meissner <michael.meissner@amd.com>
6102 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
6105 2007-01-18 Jan Hubicka <jh@suse.cz>
6107 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
6108 greater than NUM_VOP_FREE_BUCKETS.
6110 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
6112 * tree-ssa-structalias.c: Update comments.
6113 (ptabitmap_obstack): Removed.
6115 (oldpta_obstack): Ditto.
6116 (stats): Add a few members.
6117 (struct variable_info): Remove node, complex, address_taken, and
6118 indirect_target members. Add oldsolution member.
6119 (new_var_info): Do not initialize removed members.
6120 (constraint_expr_type): Remove INCLUDES.
6121 (constraint_graph): Add size, implicit_preds, rep,
6122 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
6123 (FIRST_REF_NODE): New macro.
6124 (LAST_REF_NODE): Ditto.
6125 (FIRST_ADDR_NODE): Ditto.
6126 (find): New function.
6128 (dump_constraint): Do not handle INCLUDES.
6129 (insert_into_complex): Do not insert duplicate constraints.
6130 (condense_varmap_nodes): Renamed and rewritten into ...
6131 (merge_node_constraints): This. Also fix bug in handling of
6132 offseted copy constraints.
6133 (clear_edges_for_node): No longer need to deal with preds at all,
6134 or removing associated preds/succs.
6135 (merge_graph_nodes): Deal with indirect_cycles.
6136 Don't deal with predecessors.
6137 (add_implicit_graph_edge): New function.
6138 (add_pred_graph_edge): Ditto.
6139 (add_graph_edge): Don't deal with predecessors.
6140 (build_constraint_graph): Removed.
6141 (build_pred_graph): New function.
6142 (build_succ_graph): Ditto.
6143 (struct scc_info): Removed in_component. Added roots, dfs, and
6144 node_mapping. Remove visited_index, unification_queue.
6145 (scc_visit): Deal with union-find we do now.
6146 Deal with cycles with REF nodes.
6147 (collapse_nodes): Renamed and rewritten to ...
6148 (unify_nodes): This.
6149 (process_unification_queue): Removed.
6150 (topo_visit): Cleanup
6151 (do_da_constraint): Use find.
6152 (do_sd_constraint): Ditto.
6153 (do_ds_constraint): Ditto.
6154 (do_complex_constraint): Ditto.
6155 (init_scc_info): Update for removed and added members.
6156 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
6157 (find_indirect_cycles): This.
6158 (equivalence_class): New variable.
6159 (label_visit): New function.
6160 (perform_variable_substitution): Rewritten.
6161 (free_var_substitution_info): New function.
6162 (find_equivalent_node): Ditto.
6163 (move_complex_constraints): Ditto.
6164 (eliminate_indirect_cycles): Ditto.
6165 (solve_graph): Only propagate changed bits.
6166 Use indirect cycle elimination.
6168 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
6169 (tree_id_eq): Renamed to ...
6170 (tree_vi_eq): This. Update for member change
6171 (insert_id_for_tree): Renamed and rewritten to ...
6172 (insert_vi_for_tree): This.
6173 (lookup_id_for_tree): Renamed and rewritten to ...
6174 (lookup_vi_for_tree): This.
6175 (get_id_for_tree): Renamed and rewritten to ...
6176 (get_vi_for_tree): Ditto.
6177 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
6178 (process_constraint): Don't handle INCLUDES.
6179 Remove special ADDRESSOF case.
6180 (find_func_aliases): Rewrite to use vi functions instead of id
6182 (create_function_info_for): Ditto.
6183 (create_variable_info_for): Ditto.
6184 (intra_create_variable_infos): Ditto.
6185 (merge_smts_into): Ditto.
6186 (find_what_p_points_to): Ditto.
6187 (init_base_vars): Ditto.
6188 (init_alias_vars): Ditto.
6189 (remove_preds_and_fake_succs): New function.
6190 (dump_sa_points_to_info): Dump new stats.
6191 (dump_solution_for_var): Use find.
6192 (set_used_smts): Fix formatting.
6193 (compute_points_to_sets): Updated for new functions.
6194 (ipa_pta_execute): Ditto.
6196 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6197 Richard Sandiford <richard@codesourcery.com>
6199 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
6201 * calls.c (expand_call): If the return value is a PARALLEL,
6202 extract its first member.
6203 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
6204 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
6205 use FUNCTION_EXTRA_EPILOGUE.
6206 (m68k_function_value): Return a PARALLEL if the return value
6207 is of a pointer type.
6208 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
6209 (FUNCTION_EXTRA_EPILOGUE): Remove.
6210 * config/m68k/m68k.md (D0_REG): New constant.
6212 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6214 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
6215 output a NOP for empty epilogues.
6217 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6219 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
6220 before function. Extend register save check to include all
6221 registers, not just integer ones.
6223 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6225 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
6226 (m68k_use_return_insn): ...this.
6227 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
6228 * config/m68k/m68k.c (use_return_insn): Rename to...
6229 (m68k_use_return_insn): ...this.
6230 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
6233 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6235 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
6236 nearest even, fix denormal rounding overflow.
6238 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6240 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
6241 f%$smove and f%$move.
6242 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
6243 (extendsfdf2_cf): Use fdmove instead of f%&move.
6244 (truncdfsf2_cf): Use fsmove instead of f%$smove.
6245 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
6247 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6249 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
6252 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6254 * real.h (real_format): Add a canonical_nan_lsbs_set field.
6255 (coldfire_single_format): Declare.
6256 (coldfire_double_format): Likewise.
6257 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
6258 of qnan_msb_set to determine the lower bits of a canonical
6260 (encode_ieee_double): Likewise.
6261 (encode_ieee_quad): Likewise.
6262 (ieee_single_format): Initialize canonical_nan_lsbs_set.
6263 (mips_single_format): Likewise.
6264 (ieee_double_format): Likewise.
6265 (mips_double_format): Likewise.
6266 (ieee_extended_motorola_format): Likewise.
6267 (ieee_extended_intel_96_format): Likewise.
6268 (ieee_extended_intel_128_format): Likewise.
6269 (ieee_extended_intel_96_round_53_format): Likewise.
6270 (ibm_extended_format): Likewise.
6271 (mips_extended_format): Likewise.
6272 (ieee_quad_format): Likewise.
6273 (mips_quad_format): Likewise.
6274 (vax_f_format): Likewise.
6275 (vax_d_format): Likewise.
6276 (vax_g_format): Likewise.
6277 (i370_single_format): Likewise.
6278 (i370_double_format): Likewise.
6279 (decimal_single_format): Likewise.
6280 (decimal_double_format): Likewise.
6281 (decimal_quad_format): Likewise.
6282 (c4x_single_format): Likewise.
6283 (c4x_extended_format): Likewise.
6284 (real_internal_format): Likewise.
6285 (coldfire_single_format): New real_format.
6286 (coldfire_double_format): Likewise.
6287 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
6288 canonical_nan_lsbs_set.
6289 (pdp11_d_format): Likewise.
6290 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
6291 if TARGET_COLDFIRE_CPU.
6293 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6295 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
6296 (output_call, m68k_legitimize_call_address): Declare.
6297 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
6298 parenthesees. Add support for a 'W' constraint.
6299 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
6300 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
6301 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
6302 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
6304 (override_options): Initialize them. Do not set flag_no_function_cse
6305 for TARGET_ID_SHARED_LIBRARY.
6306 (m68k_output_pic_call): Delete.
6307 (m68k_legitimize_call_address): New function.
6308 (print_operand): Remove the %o prefix. Handle the %p prefix.
6309 (output_call): New function.
6310 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
6311 target address from the GOT if symbolic jumps are not allowed.
6312 * config/m68k/m68k.md (call, general_operand): Do not set
6313 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
6314 Merge separate flag_pic and !flag_pic define_insns into...
6315 (*call, *call_value): ...these new patterns. Match the address
6316 rather than the containing MEM and require it to be a call_operand.
6317 Use output_call to generate the asm template.
6318 * config/m68k/predicates.md (const_call_operand): New predicate.
6319 (call_operand): Likewise.
6321 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6323 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
6324 (STACK_GROWS_DOWNWARD): Define to 1.
6325 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
6326 comments, emphasizing that these values are only defaults.
6327 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
6328 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
6330 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6332 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
6334 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6335 Richard Sandiford <richard@codesourcery.com>
6337 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
6338 (FP_REGNO_P): New macros.
6339 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
6340 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
6341 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
6342 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
6344 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6346 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6347 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
6349 * config/m68k/t-floatlib: New file, extracting common code from...
6350 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
6351 * config/m68k/t-uclinux: Here.
6352 * config/m68k/fpgnulib.c: Do not compile extendeed precision
6353 routines on ColdFire targets.
6355 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6357 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6358 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
6359 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
6360 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
6361 explicitly set MOTOROLA to 1.
6362 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
6364 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6365 Nathan Sidwell <nathan@codesourcery.com>
6367 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
6368 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
6369 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
6370 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
6371 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
6372 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
6373 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
6374 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
6375 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
6376 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
6377 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
6378 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
6379 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
6380 (DBX_REGISTER_NUMBER): Delete.
6381 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
6382 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
6383 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
6385 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6387 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
6388 * config/flat.h: New file.
6389 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
6391 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
6392 indirect references for -msep-data or -mid-shared-library.
6393 Do not use PC-relative code addresses either.
6394 * config/m68k/m68k.c (override_options): Restrict -fPIC error
6396 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
6397 for shared libraries and crt1.o for executables. Use crti.o and
6399 (ENDFILE_SPEC): Use crtend.o and crtn.o.
6400 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
6401 Do not add -elf2flt or -shared-lib-id options here.
6402 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
6403 Pass -shared-lib-id if -mid-shared-library, taking the library
6404 identifier from -mshared-library-id if given, otherwise
6406 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
6407 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
6408 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
6409 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
6410 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
6411 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
6413 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
6414 jump sequence for ISA A and ISA A+.
6415 (PICJUMP): Likewise.
6417 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6419 * config.gcc (m68k-*-uclinux*): Base the port on the common
6420 and m68k GNU/Linux files rather than on the generic ELF ones.
6421 * config/m68k/uclinux.h (TARGET_VERSION): Override.
6422 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
6424 2007-01-18 Julian Brown <julian@codesourcery.com>
6425 Richard Sandiford <richard@codesourcery.com>
6427 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
6428 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
6429 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
6431 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
6433 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
6435 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6437 * doc/install.texi: Document m68k-uclinuxoldabi.
6438 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
6439 * config/m68k/uclinux-oldabi.h: New file, copied from
6440 config/m68k/uclinux.h.
6442 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
6444 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
6445 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
6446 (m32r_compute_frame_size): Use unsigned for regno.
6447 (m32r_reload_lr): Use gen_frame_mem.
6449 (m32r_output_function_epilogue): Don't output the function epilogue
6451 (m32r_expand_epilogue): New.
6452 (direct_return): Return false if the function has the interrupt
6454 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
6455 * config/m32r/m32r.md (epilogue): New expander.
6456 (return_lr, return_rte): New insns.
6457 (return): Make it expander.
6458 (return_normal): New expander.
6460 2007-01-18 Josh Conner <jconner@apple.com>
6463 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
6464 support for UNLE, UNLT, UNGE, and UNGT.
6466 2007-01-18 Jan Hubicka <jh@suse.cz>
6468 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
6469 * tree-tailcall (add_virtual_phis): Likewise.
6470 (optimize_tail_call): Return TODOs.
6471 (execute_tail_calls): Return TODOs.
6472 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
6473 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
6475 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6476 Cleanup cfg using TODO.
6477 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
6478 * passes.c (execute_function_todo): When cleanup did something, remove
6480 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
6481 (make_edges): Don't cleanup_cfg.
6483 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
6485 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
6486 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
6487 operate on the top of stack.
6488 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
6489 register handling of instructions that output to the second
6491 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
6492 (move_for_stack_reg): Special-case check for dead destination
6493 stack slot for constant load of 1.0 inside UNSPEC_TAN.
6495 * config/i386/i386.md (UNSPEC_TAN): New constant.
6496 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
6497 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
6498 to correctly model move of constant 1.0 to top stack slot.
6499 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
6500 (unnamed peephole2 pattern): Remove corresponding peephole2
6501 pattern that optimizes tan insn and loading of constant 1.0.
6502 (tanxf2): Use fptanxf4_i387.
6503 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
6504 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
6505 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
6506 disable patterns for SSE math.
6507 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
6508 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
6510 2007-01-18 Dirk Mueller <dmueller@suse.de>
6511 Richard Guenther <rguenther@suse.de>
6514 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
6515 * common.opt (Warray-bounds): Add new warning option.
6516 * c-opts.c (c_common_handle_option): Define -Warray-bounds
6518 * Makefile.in: make tree-vrp.o depend on toplev.h
6519 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
6521 (check_array_refs, check_array_bounds, check_array_ref): New.
6523 2007-01-18 Jan Hubicka <jh@suse.cz>
6525 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
6526 (execute_ssa_ccp): Return flags conditionally.
6527 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
6529 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
6531 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
6533 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
6534 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
6536 * Makefile.c (GTFILES): Add cfglayout.h.
6537 * gengtype.c (open_base_files): Likewise.
6538 * cfglayout.c (cfg_layout_function_footer,
6539 cfg_layout_function_header) Reindent to make gengtype happy.
6540 * cfglayout.h (cfg_layout_function_footer,
6541 cfg_layout_function_header): Add GTY(()) marker.
6543 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
6545 2007-01-18 Ben Elliston <bje@au.ibm.com>
6547 * genautomata.c (write_automata): Include xstrerror output in the
6548 error message if writing the DFA description file fails.
6550 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
6552 * config/mips/mips-protos.h (mips_output_external): Make it
6554 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
6555 * config/mips/mips.c (irix_output_external_libcall): Likewise.
6556 (extern_list): Likewise.
6557 (extern_head): Likewise.
6558 (TARGET_ASM_FILE_END): Likewise.
6559 (mips_file_end): Likewise.
6560 (mips_output_external): Rewritten.
6562 2007-01-18 Ben Elliston <bje@au.ibm.com>
6564 * genpreds.c (write_insn_preds_c): Only write out the function
6565 body for regclass_for_constraint if we have register constraints.
6567 2007-01-17 Tom Tromey <tromey@redhat.com>
6569 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
6570 * doc/install.texi (Testing): Use sourceware.org.
6571 (Binaries): Likewise.
6572 (Specific): Likewise.
6573 * doc/contrib.texi (Contributors): Use sourceware.org.
6575 2007-01-17 Anatoly Sokolov <aesok@post.ru>
6577 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
6578 (AVR_ENHANCED): Rename to ...
6579 (AVR_HAVE_MUL): ... new.
6580 (avr_enhanced_p): Rename to ...
6581 (avr_have_mul_p): ... new.
6582 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
6583 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
6584 * config/avr/avr.c (avr_enhanced_p): Rename to ...
6585 (avr_have_mul_p): ... new.
6586 (base_arch_s): Rename 'enhanced' to 'have_mul'.
6587 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
6588 'avr_enhanced_p' and 'enhanced'.
6589 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
6590 AVR_HAVE_MUL instead of AVR_ENHANCED.
6591 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
6592 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
6593 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
6594 instead of AVR_ENHANCED.
6595 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
6596 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
6597 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
6599 2007-01-17 Ian Lance Taylor <iant@google.com>
6601 * vec.h (VEC_reserve_exact): Define.
6602 (vec_gc_p_reserve_exact): Declare.
6603 (vec_gc_o_reserve_exact): Declare.
6604 (vec_heap_p_reserve_exact): Declare.
6605 (vec_heap_o_reserve_exact): Declare.
6606 (VEC_OP (T,A,reserve_exact)): New static inline function, three
6608 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
6610 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
6611 (VEC_OP (T,A,copy)) [all versions]: Likewise.
6612 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
6613 * vec.c (calculate_allocation): Add exact parameter. Change all
6615 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
6616 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
6617 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
6618 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
6619 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
6620 (vec_heap_p_reserve_exact): New function.
6621 (vec_heap_o_reserve_exact): New function.
6623 2007-01-17 Jan Hubicka <jh@suse.cz>
6625 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
6627 2007-01-17 Eric Christopher <echristo@apple.com>
6629 * config.gcc: Support core2 processor.
6631 2007-01-16 Jan Hubicka <jh@suse.cz>
6633 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
6634 the names, just unlink the chain so we don't crash on dangling pointers
6637 2007-01-16 Jan Hubicka <jh@suse.cz>
6639 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
6640 * tree-pass.h: Reorder to make IPA passes appear toegher.
6641 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
6642 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
6643 parameters, do not call early inliner.
6644 * ipa-inline.c: Update comments. Include tree-flow.h
6645 (cgraph_decide_inlining): Do not compute inlining parameters.
6646 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
6647 be called with function context set up.
6648 (pass_ipa_inline): Remove unreachable functions before pass.
6649 (cgraph_early_inlining): Simplify assuming to be called from the
6651 (pass_early_inline): New pass.
6652 (cgraph_gate_ipa_early_inlining): New gate.
6653 (pass_ipa_early_inline): Turn into simple wrapper.
6654 (compute_inline_parameters): New function.
6655 (gate_inline_passes): New gate.
6656 (pass_inline_parameters): New pass.
6657 (apply_inline): Move here from tree-optimize.c
6658 (pass_apply_inline): New pass.
6659 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
6661 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
6663 (tree_function_versioning): Do not allocate dummy struct function.
6664 * tree-inline.h (optimize_inline_calls): Update prototype.
6665 * tree-optimize.c (execute_fixup_cfg): Export.
6666 (pass_fixup_cfg): Remove
6667 (tree_rest_of_compilation): Do not apply inlines.
6668 * tree-flow.h (execute_fixup_cfg): Declare.
6669 * Makefile.in (gt-passes.c): New.
6670 * passes.c: Include gt-passes.h
6671 (init_optimization_passes): New passes.
6672 (nnodes, order): New static vars.
6673 (do_per_function_toporder): New function.
6674 (execute_one_pass): Dump current pass here.
6675 (execute_ipa_pass_list): Don't dump current pass here.
6677 2007-01-16 Janis Johnson <janis187@us.ibm.com>
6679 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
6680 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
6682 2007-01-16 David Edelsohn <edelsohn@gnu.org>
6684 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
6685 (strong_alias): Define.
6686 (__gcc_qmul): Provide non-FMA for soft-float.
6692 (__gcc_qunord): New.
6702 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
6703 soft-float functions.
6704 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
6705 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
6706 about long double soft float.
6708 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
6709 Tehila Meyzels <tehila@il.ibm.com>
6711 * tree-vectorizer.h (is_pattern_stmt_p): New.
6712 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
6713 formatting (tabs instead of spaces). Cleanup and clarify setting
6714 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
6715 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
6716 (vectorizable_type_demotion): Check that types are integral.
6717 (vectorizable_type_promotion): Likewise.
6718 (vectorizable_store): Fix typo. Eliminate new-line at end of
6721 2007-01-16 Jan Hubicka <jh@suse.cz>
6723 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
6726 2007-01-15 Eric Christopher <echristo@apple.com>
6728 * ifcvt.c: Include vec.h, vecprim.h.
6729 (check_cond_move_block): New argument regs.
6730 Reorganize. Add registers used to regs.
6731 (cond_move_process_if_block): Use regs set above as
6734 2007-01-15 Eric Christopher <echristo@apple.com>
6736 * config/darwin.h: Update copyright.
6737 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
6738 (LINK_COMMAND_SPEC): Add -u.
6739 (LINK_SPEC): Fix umbrella for above.
6741 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
6743 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
6746 2007-01-15 Tom Tromey <tromey@redhat.com>
6748 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
6749 * doc/install.texi (Testing): Don't mention jacks.
6750 (Configuration): Document --enable-java-maintainer-mode. Move
6751 --with-java-home to libgcj-specific section. Document
6753 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
6755 2007-01-15 Jan Hubicka <jh@suse.cz>
6757 * tree-ssa-dce.c (DCE_TODOs): New.
6758 (propagate_necessity): Return if something changed.
6759 (eliminate_unnecessary_stmts): Likewise.
6760 (perform_tree_ssa_dce): Return TODO flags when needed.
6761 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
6763 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
6765 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
6766 (fyl2x_extend<mode>xf3_i387): New insn pattern.
6767 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
6768 patterns using X87MODEF12 mode macro. Extend operand 1
6769 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
6770 (log10<mode>2): Ditto.
6771 (log2<mode>2): Ditto.
6772 (log1p<mode>2): Ditto.
6773 (logb<mode>2): Ditto.
6774 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
6775 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
6776 (*fxtractxf3_i387): Rename from *fxtractxf3.
6777 (fxtract_extend<mode>xf3_i387): New insn pattern.
6778 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
6779 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
6780 and gen_fyl2xxf3_i387().
6782 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
6784 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
6785 * cfgloopmanip.c (fix_loop_placement): Made static. Use
6786 get_loop_exit_edges. Changed return type to bool.
6787 * cfgloop.h (fix_loop_placement): Declaration removed.
6789 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
6791 * param.h (MIN_VECT_LOOP_BOUND): New.
6792 * params.def (MIN_VECT_LOOP_BOUND): New.
6793 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
6794 argument - minimum threshold for number of iterations.
6795 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
6796 argument to declaration.
6797 * tree-vect-analyze.c (vect_analyze_operations): Check value of
6798 MIN_VECT_LOOP_BOUND.
6799 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
6800 slpeel_tree_peel_loop_to_edge with additional argument.
6801 (vect_do_peeling_for_alignment): Likewise.
6802 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
6804 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
6807 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
6810 2007-01-14 Jan Hubicka <jh@suse.cz>
6812 * tree-dfa.c (remove_referenced_var): New function.
6813 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
6814 prune referenced vars list too.
6815 * tree-flow.h (remove_referenced_var): Declare.
6817 2007-01-14 Jan Hubicka <jh@suse.cz>
6819 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
6821 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
6822 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
6823 * except.h (verify_eh_throw_table_statements): Kill prototype.
6824 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
6825 into call exrepssions.
6826 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
6828 * tree-cfg.c: Include pointer-set.h.
6829 (verify_node_sharing): Work on pointer set.
6830 (verify_eh_throw_stmt_node): New.
6831 (verify_stmts): Use pointers sets, verify throw_stmt.
6833 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
6835 * ipa-reference.c (analyze_function): Consider also addresses taken
6838 2007-01-12 Roger Sayle <roger@eyesopen.com>
6840 * c-typeck.c (null_pointer_constant_p): Replace use of
6841 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
6842 (build_c_cast): Likewise.
6844 2007-01-12 Roger Sayle <roger@eyesopen.com>
6846 * tree.h (force_fit_type_double): Remove unused final argument.
6847 * c-common.c (constant_expression_warning): Replace use of
6848 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
6849 (convert_and_check): Likewise.
6850 (shorten_compare): Update call to force_fit_type_double.
6851 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
6852 * convert.c (convert_to_pointer): Update call to
6853 force_fit_type_double.
6854 * fold-const.c (force_fit_type_double): Remove overflowed_const
6856 (int_const_binop, fold_convert_const_int_from_int,
6857 fold_convert_const_int_from_real, fold_div_compare,
6858 fold_sign_changed_comparison, fold_unary, fold_negate_const,
6859 fold_abs_const, fold_not_const): Remove the final argument from
6860 calls to force_fit_type_double.
6862 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
6864 * configure.ac: Set insn to "nop" for spu-*-* also.
6865 * configure: Regenerate.
6867 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
6869 * builtins.def : Add BUILT_IN_FREE.
6871 2007-01-12 Jan Hubicka <jh@suse.cz>
6873 PR tree-optimization/30443
6874 * tree-inline.c (tree_function_versioning): Do not optimize when
6875 cloning for inlining.
6877 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
6879 * doc/loop.texi: Document recording of loop exits.
6880 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
6881 (update_single_exits_after_duplication,
6882 update_single_exit_for_duplicated_loop,
6883 update_single_exit_for_duplicated_loops): Removed.
6884 (duplicate_loop_to_header_edge): Do not call
6885 update_single_exits_after_duplication and
6886 update_single_exit_for_duplicated_loops.
6887 (loop_version): Do not update single_exit information.
6888 (fix_loop_structure): Use record_loop_exits instead of
6889 mark_single_exit_loops.
6890 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
6891 the lists of loop exits.
6892 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
6893 split_edge, merge_blocks): Update the lists of loop exits.
6894 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
6895 loop_optimizer_init.
6896 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
6897 of mark_single_exit_loops.
6898 (loop_optimizer_finalize): Call release_recorded_exits.
6899 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
6900 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
6901 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
6902 update single exit information.
6903 * lambda-code.c (perfect_nestify): Ditto.
6904 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
6905 (mark_single_exit_loops): Removed.
6906 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
6907 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
6908 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
6910 (get_loop_exit_edges, single_exit): Use recorded exit lists.
6911 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
6912 (verify_loop_structure): Verify consistency of the exit lists.
6913 (flow_loops_find): Use alloc_loop. Initialize exits hash.
6914 (set_single_exit): Removed.
6915 * cfgloop.h (struct loop_exit): New function.
6916 (struct loop): single_exit_ field replaced by exits field.
6917 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
6918 (struct loops): Added exits hash.
6919 (mark_single_exit_loops, set_single_exit): Declaration removed.
6920 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
6922 2007-01-12 Richard Sandiford <richard@codesourcery.com>
6924 * doc/invoke.texi: Avoid use of @headitem.
6926 2007-01-12 Richard Sandiford <richard@codesourcery.com>
6928 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
6930 2007-01-12 Richard Sandiford <richard@codesourcery.com>
6932 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
6935 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
6936 Richard Sandiford <richard@codesourcery.com>
6938 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
6939 * config/m68k/m68k.opt: Resort options.
6940 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
6942 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
6943 Richard Sandiford <richard@codesourcery.com>
6945 * doc/invoke.texi: Document the macros that are defined by
6946 m68k's -mtune and -mhard-float options.
6947 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
6948 (m68k_cpp_cpu_family): Likewise.
6949 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
6950 of __ucfv*__ macros. Define __mcffpu__ if generating code for
6951 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
6952 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
6953 (m68k_cpp_cpu_family): Likewise.
6955 2007-01-12 Richard Sandiford <richard@codesourcery.com>
6957 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
6958 macros besides mc68000 as tuning macros. Use a switch statement
6959 to set them and mcpu32.
6961 2007-01-12 Julian Brown <julian@codesourcery.com>
6963 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
6964 (TARGET_68040_ONLY): Rename to...
6965 (TARGET_68040): ...this.
6966 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
6967 * config/m68k/m68k.md: Likewise.
6969 2007-01-12 Julian Brown <julian@codesourcery.com>
6970 Nathan Sidwell <nathan@codesourcery.com>
6971 Richard Sandiford <richard@codesourcery.com>
6973 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
6974 the -mcpu= argument associated with the --with-cpu setting.
6975 Define M68K_DEFAULT_TUNE to the default -mtune= option,
6976 if different from the one implied by the -mcpu setting.
6977 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
6978 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
6979 * doc/invoke.texi: Mention ColdFire in the introduction to the
6980 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
6981 -mno-div and -mhard-float options. Make -m68881 a synonym for
6982 -mhard-float. Document the previously-undocumented -m5206e,
6983 -m528x, -m5307 and -m5407 options. Tweak the existing option
6984 documentation for consistency.
6985 * doc/install.texi: Mention new --with-cpu arguments.
6986 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
6987 default CPU if neither -mcpu nor -march are specified.
6988 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
6989 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
6990 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
6991 using m68k_tune to decide between families that implement the
6992 same ISA. Use m68k_tune to set __mcfv4e__.
6993 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
6994 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
6995 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
6996 (FL_ISA_C, FL_ISA_MMU): New macros.
6997 (MASK_COLDFIRE): Delete.
6998 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
6999 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
7000 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
7001 (TARGET_HARD_FLOAT): Do not define here.
7002 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
7003 (TUNE_68000): New macro.
7004 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
7005 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
7006 (TUNE_CFV2): Redefine in terms of m68k_tune.
7007 (uarch_type, target_device, fpu_type): New enums.
7008 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
7009 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
7010 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
7011 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
7012 (FL_FOR_isa_c): New macros.
7013 (m68k_isa): New enum.
7014 (m68k_target_selection): New structure.
7015 (all_devices, all_isas, all_microarchs): New tables.
7016 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
7017 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
7018 (MASK_ALL_CPU_BITS): Delete.
7019 (m68k_find_selection): New function.
7020 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
7021 Map the legacy target options to a combination of the new ones.
7022 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
7023 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
7024 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
7026 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
7027 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
7029 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
7030 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
7031 * config/m68k/m68k-devices.def: New file.
7033 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7034 Nathan Sidwell <nathan@codesourcery.com>
7036 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
7037 (SUBTARGET_EXTRA_SPECS): New macros.
7038 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
7039 use %(asm_cpu_spec) instead.
7040 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
7041 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
7042 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
7043 (EXTRA_SPECS): Rename to...
7044 (SUBTARGET_EXTRA_SPECS): ...this.
7046 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
7047 Richard Sandiford <richard@codesourcery.com>
7048 Julian Brown <julian@codesourcery.com>
7050 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7051 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
7052 to the configuration's default CPU.
7053 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
7054 Remove default masks.
7055 (m680[012]0-*-*): Set the default with_cpu to the first part of
7057 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
7058 (m68k*-*-linux): Extend the --with-cpu handling to...
7059 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
7060 and m68010. Don't set target_cpu_default2.
7061 * doc/install.texi: Document --with-cpu for m68k.
7062 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
7063 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
7064 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
7065 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
7066 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
7067 (ASM_SPEC): Remove use of %(asm_cpu_default).
7068 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
7069 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
7070 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
7071 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
7072 __HAVE_FPU__ if TARGET_HARD_FLOAT.
7073 (TARGET_DEFAULT): Delete.
7074 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
7075 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
7076 (CPP_CPU_SPEC): Delete.
7077 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
7078 the appropriate string.
7079 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
7080 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
7081 (ASM_SPEC): Don't use %(asm_default_spec).
7082 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7083 TARGET_DEFAULT and add MASK_68881.
7084 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
7086 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7088 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
7089 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
7090 MASK_68010 alongside MASK_68020.
7091 * doc/invoke.texi: Document -m68010.
7092 * config/m68k/m68k.opt (m68010): New.
7093 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
7095 (TUNE_68010): New macro.
7096 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
7097 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
7098 (M68K_CPU_m68332): Add MASK_68010.
7099 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
7100 fallback definition.
7101 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
7103 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
7104 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
7105 to all entries that use MASK_68020.
7106 (output_move_simode_const, output_move_himode, output_move_qimode)
7107 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
7108 instead of TARGET_68020 to select clr behavior. Remove comment
7109 about there being no TARGET_68010.
7110 * config/m68k/m68k.md: Likewise throughout.
7112 2007-01-12 Julian Brown <julian@codesourcery.com>
7114 * config/m68k/m68k.h (TARGET_ISAB): New macro.
7115 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
7116 * config/m68k/m68k.md: Likewise.
7118 2007-01-12 Julian Brown <julian@codesourcery.com>
7120 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
7121 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
7123 2007-01-12 Julian Brown <julian@codesourcery.com>
7125 * config/m68k/m68k.h (TUNE_68040_60): New macro.
7126 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
7127 * config/m68k/m68k.md: Likewise.
7129 2007-01-12 Julian Brown <julian@codesourcery.com>
7130 Richard Sandiford <richard@codesourcery.com>
7132 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
7133 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
7134 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
7136 (TARGET_CPU32): Rename to...
7137 (TUNE_CPU32): ...this.
7138 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
7139 (TUNE_CFV2): New macros.
7140 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
7141 remove conditions that are implied by TARGET_68020.
7142 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
7143 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
7144 (m68k_output_function_epilogue): Likewise.
7145 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
7146 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
7147 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
7148 non-68000 timings. Refactor multiplication and division costs.
7149 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
7150 TUNE_CPU32 instead of TARGET_CPU32.
7151 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
7152 and TUNE_68060 instead of TARGET_68060.
7153 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
7154 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
7156 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
7157 && !TARGET_COLDFIRE" to choose between moveq and clr.
7158 Likewise in the unnamed movsf pattern.
7159 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
7160 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
7163 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7165 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
7166 of tabbing before backslashes.
7168 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7170 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
7171 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
7172 (ASM_OUTPUT_INTERNAL_LABEL): Define.
7174 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7176 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
7177 find_interesting_uses_cond.
7178 (find_interesting_uses_cond): Use extract_cond_operands.
7179 (rewrite_use_compare): Use extract_cond_operands and
7180 force_gimple_operand_bsi. Do not call update_stmt.
7181 (determine_use_iv_cost_condition): Use extract_cond_operands.
7182 Return cheaper of using original bound and changing the exit bound.
7184 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7186 PR tree-optimization/29516
7187 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
7188 most_expensive_mult_to_index, addr_to_parts,
7189 create_mem_ref, maybe_fold_tmr): Make the type of
7190 fields of TARGET_MEM_REF sizetype.
7191 (move_fixed_address_to_symbol, move_pointer_to_base):
7193 * tree.def (TARGET_MEM_REF): Add comment on types of
7196 2007-01-11 Joseph Myers <joseph@codesourcery.com>
7198 * c-common.c (vector_types_convertible_p): Treat opaque types as
7199 always convertible if they have the same size, but not otherwise.
7201 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
7203 * ifcvt.c (struct noce_if_info): Add comments to the fields.
7204 Remove the b_unconditional field.
7205 (noce_try_sign_mask): Do not look at b_unconditional.
7206 (noce_process_if_block): Do not use merge_if_blocks. Update
7207 the CFG here. Do not set b_unconditional.
7208 (cond_move_process_if_block): Likewise.
7209 (find_cond_trap): Likewise.
7210 (check_cond_move_block): Require simple jump insns at the end
7213 2007-01-11 Jan Hubicka <jh@suse.cz>
7215 PR tree-optimization/1046
7216 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
7217 when alias info is not ready.
7218 (pass_tail_recursion): Do not require aliasing.
7219 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
7220 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
7221 * tree-ssa-copy.c (pass_copy_prop): Likewise.
7222 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
7223 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
7224 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
7225 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
7227 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
7228 When aliasing is not build, mark statement as volatile.
7230 2007-01-11 Tom Tromey <tromey@redhat.com>
7232 PR preprocessor/15185, PR preprocessor/20989:
7233 * doc/cppopts.texi <-MT>: Update description of algorithm for
7234 computing default target.
7235 <-M, -MD>: Reword "basename" text.
7237 2007-01-11 Roger Sayle <roger@eyesopen.com>
7239 * builtins.c (expand_builtin_pow, expand_builtin_powi,
7240 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
7241 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
7242 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
7243 fold_builtin_bswap, real_constp, fold_builtin_pow,
7244 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
7245 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
7246 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7247 * convert.c (convert_to_pointer): Likewise.
7248 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
7249 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
7250 const_binop, fold_convert_const_int_from_int,
7251 fold_convert_const_int_from_real,
7252 fold_convert_const_real_from_real, sign_bit_p,
7253 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
7254 fold_sign_changed_comparison, fold_unary, fold_comparison,
7255 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
7256 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
7257 * print-tree.c (print_node_brief, print_node): Likewise.
7258 * stor-layout.c (place_field, layout_type): Likewise.
7259 * tree-chrec.c (keep_cast): Likewise.
7260 * tree.c (build_vector, build_real, build_real_from_int_cst,
7261 build_complex): Likewise.
7263 2007-01-11 Roger Sayle <roger@eyesopen.com>
7265 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
7266 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
7268 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
7270 * configure.ac (strict1_warn): Rename to strict_warn.
7271 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
7272 cc_set_by_configure, quoted_cc_set_by_configure,
7273 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
7274 all_boot_languages, all_stagestuff): Remove.
7275 (target_list): Remove bootstrap targets.
7276 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
7277 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
7278 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
7279 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
7280 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
7281 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
7282 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
7283 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
7284 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
7285 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
7286 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
7287 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
7288 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
7289 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
7290 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
7291 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
7292 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
7293 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
7294 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
7295 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
7296 (mostlyclean): Adjust.
7297 (clean, distclean): Don't mention bootstrap stuff.
7298 * configure: Regenerate.
7299 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
7300 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
7301 treelang/config-lang.in (stagestuff): Remove.
7302 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
7303 stageprofile, stagefeedback, stagestuff): Remove mention.
7305 2007-01-11 Nick Clifton <nickc@redhat.com>
7307 * config/mcore/predicates.md (mcore_general_movesrc_operand):
7309 (mcore_general_movdst_operand): Do not accept CONST_INTs.
7310 (mcore_arith_K_S_operand): Run the test for the S constraint not
7311 the test for the M constraint.
7312 (mcore_addsub_operand): Do not accept integer values that are
7313 larger than 32 bits.
7314 * config/mcore/mcore.md: Remove unused constraints from split.
7315 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
7317 (allocate_stack): Likewise.
7318 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
7319 operands to 32 bits.
7320 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
7322 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
7323 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
7324 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
7325 mcore_output_bclri, mcore_output_andn, output_inline_const,
7326 mcore_output_move, mcore_output_movedouble): Likewise.
7327 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
7328 (output_inline_const): Likewise.
7329 (output_inline_const): Fix format strings used in sprintf
7331 * config/mcore/mcore-protos.h: Update prototypes for changed
7332 functions in mcore.c.
7333 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
7334 HOST_WIDE_INT and not int.
7335 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
7336 CONST_OK_FOR_N): Likewise.
7337 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
7338 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
7341 2007-01-10 Jan Hubicka <jh@suse.cz>
7343 * tree-vrp.c (remove_range_assertions): Release defs.
7344 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
7345 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
7347 2007-01-10 Paul Brook <paul@codesourcery.com>
7349 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
7350 * config/arm/arm.md (mulsi3subsi): New insn.
7352 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
7354 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
7355 (tree_transform_and_unroll_loop): New.
7356 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
7359 2007-01-10 Robert Kennedy <jimbob@google.com>
7361 * fold-const.c (fold_comparison): Fold comparisons like (x *
7362 1000 < 0) to (x < 0).
7364 2007-01-10 Ian Lance Taylor <iant@google.com>
7366 * tree-pretty-print.c (dump_generic_node): Print parentheses when
7367 operands have the same priority.
7369 2007-01-10 Tom Tromey <tromey@redhat.com>
7371 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
7372 (fold_binary): Likewise.
7373 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
7374 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
7375 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
7376 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
7377 * langhooks.h (struct lang_hooks): Removed field
7378 'can_use_bit_fields_p'.
7380 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
7382 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
7384 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
7386 * function.c (get_last_funcdef_no): New function.
7387 * function.h (get_last_funcdef_no): Declare.
7388 * tree-inline.c (initialize_cfun): Add initialization.
7389 (tree_function_versioning): Cleanup.
7391 2007-01-10 Jan Hubicka <jh@suse.cz>
7393 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
7396 2007-01-10 Sa Liu <saliu@de.ibm.com>
7397 Ben Elliston <bje@au.ibm.com>
7399 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
7400 for SAVE_NONLOCAL and Pmode for any other save level.
7401 * spu-protos.h (spu_restore_stack_block): Declare.
7402 * spu.md (save_stack_block): Remove.
7403 (restore_stack_block): Call spu_restore_stack_block.
7404 * spu.c (spu_restore_stack_block): New function.
7405 (spu_expand_epilogue): Remove old comment.
7407 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
7409 PR tree-optimization/30322
7410 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
7411 (cand_value_at): Return the value as aff_tree.
7412 (may_eliminate_iv): Convert the bound from aff_tree to tree.
7413 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
7414 aff_combination_mult): New functions.
7415 (aff_combination_add): Use aff_combination_add_cst.
7416 (aff_combination_convert): Allow conversions to a wider type.
7417 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
7418 * tree-affine.h (aff_combination_mult): Declare.
7420 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
7422 * doc/tm.texi: Update documentation to reflect reality of exec
7423 and start file search behaviours. Update copyright year.
7424 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
7425 header file directories.
7427 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
7429 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
7430 (*cosxf2): Rename to cosxf2_i387.
7431 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
7432 using X87MODEF12 mode macro. Rename patterns to
7433 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
7435 (*cosdf2, *cossf2): Ditto.
7436 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
7437 to match extended input operands.
7438 (sincos<mode>3): New expander.
7439 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
7440 insn patterns and corresponding splitters.
7442 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
7444 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
7445 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
7447 2007-01-09 Nicolas Pitre <nico@cam.org>
7450 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
7452 2007-01-08 Geoffrey Keating <geoffk@apple.com>
7454 * target.h (struct gcc_target): New field library_rtti_comdat.
7455 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
7456 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
7457 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
7458 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
7460 2007-01-08 Geoffrey Keating <geoffk@apple.com>
7462 * doc/invoke.texi (Optimize Options): Correct description of -O0.
7464 2007-01-08 Richard Guenther <rguenther@suse.de>
7466 * tree.h (force_fit_type_double): Export.
7467 (force_fit_type): Remove.
7468 * fold-const.c (force_fit_type_double): New function.
7469 (force_fit_type): Remove.
7470 (int_const_binop): Use it.
7471 (fold_convert_const_int_from_int): Likewise.
7472 (fold_convert_const_int_from_real): Likewise.
7473 (fold_div_compare): Likewise.
7474 (fold_sign_changed_comparison): Likewise.
7475 (fold_unary): Likewise.
7476 (fold_negate_const): Likewise.
7477 (fold_abs_const): Likewise.
7478 (fold_not_const): Likewise.
7479 * c-common.c (shorten_compare): Use force_fit_type_double.
7480 * convert.c (convert_to_pointer): Likewise.
7482 2007-01-08 Richard Guenther <rguenther@suse.de>
7484 * tree.h (build_int_cst_wide_type): Export.
7485 * tree.c (build_int_cst_wide_type): New function.
7486 (build_int_cst_wide): Fix comment.
7487 * builtins.c (fold_builtin_object_size): Use build_int_cst
7488 to build -1 or 0 of the correct type. Use fit_double_type
7489 to check for overflow.
7490 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
7492 (decode_field_reference): Likewise.
7493 (all_ones_mask_p): Likewise.
7494 (native_interpret_int): Use build_int_cst_wide_type.
7495 (fold_binary): Use build_int_cst_type to build an all-ones
7497 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
7499 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
7501 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
7503 2007-01-09 Ben Elliston <bje@au.ibm.com>
7505 * genautomata.c (STATS_OPTION): New option.
7506 (stats_flag): New flag.
7507 (gen_automata_option): Handle it.
7508 (initiate_automaton_gen): Ditto.
7509 (write_automata): Output statistics only if stats_flag is
7510 set. Likewise, output time statistics only if time_flag is set.
7511 * doc/md.texi (Processor pipeline description): Document new flag.
7513 2007-01-08 Richard Guenther <rguenther@suse.de>
7515 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
7516 * tree.c (build_int_cst_type): Likewise.
7517 (size_in_bytes): Don't call force_fit_type on the result.
7518 (int_fits_type_p): Use fit_double_type.
7519 * fold-const.c (fit_double_type): New function.
7520 (force_fit_type): Use it.
7521 * tree.h (fit_double_type): Export.
7523 2007-01-08 Jan Hubicka <jh@suse.cz>
7525 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
7526 * ipa.c (function_and_variable_visibility): Fix return type.
7528 2007-01-08 Richard Guenther <rguenther@suse.de>
7530 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
7531 of offset to build the index.
7532 * tree-pretty-print.c (dump_generic_node): Don't build negated
7533 const just for printing.
7534 * c-pretty-print.c (pp_c_integer_constant): Likewise.
7535 * builtins.c (fold_builtin_int_roundingfn): Check if result
7536 fits the type by using force_fit_type and comparing the result.
7537 * predict.c (predict_loops): Use compare_tree_int for comparison.
7538 * tree.c (build_int_cst): Fall back to integer_type_node for
7540 (build_int_cst_wide): Assert type is non-null.
7542 2007-01-08 Roberto Costa <roberto.costa@st.com>
7544 * tree-vrp.c (extract_range_from_cond_expr): New.
7545 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
7546 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
7548 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
7549 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
7550 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
7551 used as expressions.
7552 * tree-object-size.c (cond_expr_object_size): New.
7553 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
7555 2007-01-08 Jan Hubicka <jh@suse.cz>
7557 * tree-ssa-forwprop.c (forward_propagate_into_cond,
7558 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
7561 2007-01-08 Richard Guenther <rguenther@suse.de>
7563 PR tree-optimization/23603
7564 * tree-vrp.c (set_value_range_to_truthvalue): New function.
7565 (extract_range_from_binary): Fall back to truthvalue instead of
7566 varying for TRUTH_*_EXPR.
7567 (extract_range_from_comparison): Fall back to truthvalue instead of
7569 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
7570 if all visited PHI values were constant.
7572 2007-01-08 Jan Hubicka <jh@suse.cz>
7574 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
7575 (cgraph_analyze_function): break out from ...
7576 (cgraph_finalize_compilation_unit): ... here.
7577 (cgraph_expand_function): Remove forgoten commented out line.
7578 (cgraph_optimize): Analyze functions.
7580 2007-01-08 Jan Hubicka <jh@suse.cz>
7582 * tree-pas.h (TODO_remove_function): New flag.
7583 (TODO_update*): Renumber.
7584 (pass_ipa_increase_alignment,
7585 pass_ipa_function_and_variable_visibility): New passes.
7586 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
7587 (cgraph_function_and_variable_visibility): Move to ipa.c
7588 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
7589 cgraph_increase_alignment.
7590 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
7591 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
7592 calling tree-inline.
7593 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
7594 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
7595 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
7596 (gate_increase_alignment): New function.
7597 (pass_ipa_increase_alignment): New pass.
7598 * ipa.c: Inline tree-pass.h and timevar.h
7599 (function_and_variable_visibility): Move here from cgraphunit.c
7600 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
7601 * passes.c (init_optimization_passes): Add the two new passes.
7602 (execute_todo): Handle cgraph_remove_functions.
7604 2007-01-08 Nick Clifton <nickc@redhat.com>
7606 * config/frv/predicates.md (reg_or_0_operand): Accept
7609 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
7611 * config/bfin/rtems.h, config/bfin/t-rtems: New.
7612 * config.gcc: Add bfin*-rtems*.
7614 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
7616 * c.opt: Add -flax-vector-conversions.
7617 * c-typeck.c (convert_for_assignment): Pass flag to
7618 vector_types_convertible_p to allow emission of note.
7619 (digest_init): Likewise.
7620 * c-opts.c: Handle -flax-vector-conversions.
7621 * c-common.c (flag_lax_vector_conversions): New.
7622 (vector_types_convertible_p): Unless -flax-vector conversions
7623 has been passed, disallow conversions between vectors with
7624 differing numbers of subparts and/or element types. If such
7625 a conversion is disallowed, possibly emit a note on the first
7626 occasion only to inform the user of -flax-vector-conversions.
7627 The new last argument specifies this.
7628 * c-common.h (flag_lax_vector_conversions): New.
7629 (vector_types_convertible_p): Add extra argument.
7630 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
7631 char_type_node for V*QI type vectors.
7632 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
7633 Update to satisfy new typechecking rules.
7634 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
7636 * doc/invoke.texi (C Dialect Options): Document
7637 -flax-vector-conversions.
7639 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
7641 PR tree-optimization/29877
7642 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
7643 a register variable on the RHS to not be replaceable.
7645 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
7646 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
7647 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
7648 const_simm15, const_pow2, const_npow2): Added.
7649 * config/score/misc.md (insv, extv, extzv, movmemsi,
7650 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
7651 * config/score/score.c (score_address_cost, score_select_cc_mode):
7653 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
7654 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
7655 Update score_print_operand.
7656 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
7657 Adjust register allocate order and update some macro define.
7658 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
7659 mdx_block_move_straight, mdx_block_move_loop_head,
7660 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
7661 mdx_block_move): Added.
7662 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
7663 mdp_limm): Updated and fix some bug and typo.
7664 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
7665 (movsf, movdf, doloop_end): Added.
7667 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
7669 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
7670 config/arm/thumb2.md: Fix comment typos.
7671 * doc/extend.texi: Fix a typo.
7673 2007-01-07 Eric Christopher <echristo@apple.com>
7675 * configure.ac: Check for __stack_chk_fail for darwin.
7676 * configure: Regenerate.
7678 2007-01-07 Richard Guenther <rguenther@suse.de>
7680 * tree-vrp.c (extract_range_from_assert): CSE calls to
7681 compare_values where possible.
7682 (extract_range_from_unary_expr): Likewise.
7684 2007-01-07 Anatoly Sokolov <aesok@post.ru>
7686 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
7687 * config/avr/avr.c (call_insn_operand): Delete function.
7688 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
7689 instead of register number. Use predicates.
7690 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
7691 call_insn_operand): Add.
7693 2007-01-06 Jan Hubicka <jh@suse.cz>
7695 * tree-pass.h (pass_build_cgraph_edges): Declare.
7696 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
7697 (visited_nodes): Remove.
7698 (cgraph_create_edges): Move to cgraphbuild.c; rename to
7699 build_cgrpah_edges; make visited_nodes local.
7700 (cgraph_process_new_functions): DO not call initialize_inline_failed.
7701 (record_references_in_initializer): Move to cgraphbuild.c
7702 (initialize_inline_failed, rebuild_cgraph_edges,
7703 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
7704 (verify_cgraph_node): Make visited_nodes local.
7705 (cgraph_analyze_function): Do not call cgraph_create_edges and
7706 initialize_inline_failed.
7707 (cgraph_expand_function): Do not call cgraph_lower_function;
7708 assert that function is already lowered.
7709 * Makefile.in (cgraphbuild.o): New.
7710 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
7711 at the end of lowering passes.
7713 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
7715 * ifcvt.c (cond_move_convert_if_block): New function, code
7716 factored out from...
7717 (cond_move_process_if_block): ...here. Call the new function
7718 on the THEN and ELSE blocks.
7719 (merge_if_block): Do not copy global_live_at_end, merge_blocks
7720 already takes care of this.
7722 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7725 * tree.h (TREE_OVERFLOW_P): New.
7726 * c-typeck.c (parser_build_unary_op): Warn only if result
7727 overflowed and operands did not.
7728 (parser_build_binary_op): Likewise.
7729 (convert_for_assignment): Remove redundant overflow_warning.
7730 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
7732 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7734 * c-typeck.c (store_init_value): Split over two lines to follow
7735 the GNU coding style.
7737 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
7739 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
7740 __GXX_EXPERIMENTAL_CXX0X__.
7741 * doc/cpp.texi: Same.
7743 2007-01-05 Richard Guenther <rguenther@suse.de>
7746 * tree.c (get_narrower): Do not construct COMPONENT_REFs
7747 with mismatched types. Instead explicitly build a
7748 conversion NOP_EXPR.
7750 2007-01-05 Ian Lance Taylor <iant@google.com>
7752 * c-common.c (decl_with_nonnull_addr_p): New function.
7753 (c_common_truthvalue_conversion): Call it.
7754 * c-typeck.c (build_binary_op): Likewise.
7755 * c-common.h (decl_with_nonnull_addr_p): Declare.
7757 2007-01-05 Jakub Jelinek <jakub@redhat.com>
7760 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
7763 2007-01-05 Joel Brobecker <brobecker@adacore.com>
7765 * doc/install.texi (Final install): Document the fact that
7766 the GNAT runtime should not be stripped.
7768 2007-01-04 Jan Hubicka <jh@suse.cz>
7770 * tree-inline.c (fold_marked_statements): Update operand caches
7771 and EH after folding
7773 2007-01-04 Ian Lance Taylor <iant@google.com>
7775 * c-common.c (check_function_nonnull): Whitespace fix.
7777 2007-01-04 Jan Hubicka <jh@suse.cz>
7779 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
7780 comitted older version of patch.
7781 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
7782 function, celanup cfg and collect garbage.
7784 2007-01-04 Mike Stump <mrs@apple.com>
7786 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
7789 2007-01-04 Eric Christopher <echristo@apple.com>
7791 * libgcc2.c (__bswapsi2): Use SItype.
7792 (__bswapdi2): Use DItype.
7793 * libgcc2.h: Update for above.
7795 2007-01-04 Paul Brook <paul@codesourcery.com>
7797 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
7798 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
7799 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
7800 umulsidi3, umulsidi3adddi, smulsi3_highpart,
7801 umulsi3_highpart): Make conditional on !arm_arch6.
7802 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
7803 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
7804 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
7805 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
7806 umulsi3_highpart_v6): New insns.
7808 2007-01-04 Roger Sayle <roger@eyesopen.com>
7810 * fold-const.c (fold_convert): When casting an expression to void,
7811 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
7812 have a type. Instead of attempting to build a NOP_EXPR, return
7813 these "special" trees directly.
7815 2007-01-04 Joseph Myers <joseph@codesourcery.com>
7817 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
7818 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
7819 rs6000_cost->fp not 0 as adjustment for outer NEG.
7821 2007-01-04 Jan Hubicka <jh@suse.cz>
7823 * cgraph.c (cgraph_release_function_body): New function.
7824 (cgraph_remove_node): Use it.
7825 * cgraph.h (cgraph_release_function_body): Declare.
7826 * cgraphunit.c (cgraph_expand_function): Use it.
7827 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
7828 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
7829 is initialized and while compilation of other function is running.
7830 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
7831 statement CFG annotations from here to ...
7832 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
7834 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
7836 * cfgloop.h (enum li_flags): Make the constants powers of two.
7838 2007-01-04 Jan Hubicka <jh@suse.cz>
7840 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
7842 (fold_marked_statements): New function.
7843 (optimize_inline_calls, tree_function_versioning): Fold new statements.
7844 * tree-inline.h (copy_body_data): Add statements_to_fold.
7846 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
7848 * config.gcc: Mention libgcc/config.host.
7849 * Makefile.in: Update comments mentioning libgcc.
7850 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
7851 (all.cross, start.encap, rest.encap, rest.cross): Update
7852 dependencies for libgcc move.
7853 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
7854 (clean-target, clean-target-libgcc): Delete.
7855 (srcdirify, GCC_EXTRA_PARTS): New macros.
7856 (libgcc-support, libgcc.mvars): New rules.
7857 (distclean): Remove mention of mklibgcc.
7858 (install): Don't reference INSTALL_LIBGCC.
7859 (install-common): Don't reference EXTRA_PARTS.
7860 (install-libgcc, install-multilib): Delete rules.
7861 * mklibgcc.in: Delete file.
7862 * doc/configfiles.texi: Don't mention mklibgcc.
7864 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
7865 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
7866 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
7867 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
7868 (mklibgcc, ldblspecs): Likewise.
7870 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
7871 (posixpre.def): Use $(T).
7872 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
7873 (SHLIB_SRC, SHLIB_INSTALL): Delete.
7874 (SHLIB_LINK): Make dummy.
7875 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
7877 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
7879 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
7880 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
7881 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
7882 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
7884 * configure.ac (all_outputs): Remove mklibgcc.
7885 * configure: Regenerated.
7887 2007-01-03 Josh Conner <jconner@apple.com>
7890 * calls.c (compute_argument_addresses): Set stack and stack_slot
7891 for partial args, too.
7892 (store_one_arg): Use locate.size.constant for the size when
7893 generating a save_area.
7895 2007-01-03 Robert Kennedy <jimbob@google.com>
7897 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
7898 whose definitions are deleted due to basic block merging.
7900 2007-01-03 Paul Brook <paul@codesourcery.com>
7903 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
7905 (use_return_insn): Return 0 for Thumb interrupt functions.
7906 (print_multi_reg): Add rfe argument for IRQ returns.
7907 (arm_output_epilogue): Pop interrupt return address directly into PC.
7908 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
7910 2007-01-03 Paul Brook <paul@codesourcery.com>
7912 Merge from sourcerygxx-4_1.
7913 * config/arm/thumb2.md: New file.
7914 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
7916 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
7917 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
7918 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
7919 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
7921 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
7922 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
7924 * config/arm/ieee754-sf.S: Ditto.
7925 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
7926 (thumb1_base_register_rtx_p): ... to this.
7927 (thumb_index_register_rtx_p): Rename...
7928 (thumb1_index_register_rtx_p): ... to this.
7929 (thumb_output_function_prologue): Rename...
7930 (thumb1_output_function_prologue): ... to this.
7931 (thumb_legitimate_address_p): Rename...
7932 (thumb1_legitimate_address_p): ... to this.
7933 (thumb_rtx_costs): Rename...
7934 (thumb1_rtx_costs): ... to this.
7935 (thumb_compute_save_reg_mask): Rename...
7936 (thumb1_compute_save_reg_mask): ... to this.
7937 (thumb_final_prescan_insn): Rename...
7938 (thumb1_final_prescan_insn): ... to this.
7939 (thumb_expand_epilogue): Rename...
7940 (thumb1_expand_epilogue): ... to this.
7941 (arm_unwind_emit_stm): Rename...
7942 (arm_unwind_emit_sequence): ... to this.
7943 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
7944 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
7945 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
7946 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
7947 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
7948 thumb2_output_casesi): New functions.
7949 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
7950 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
7951 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
7952 THUMB2_WORK_REGS): Define.
7953 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
7954 arm_condexec_mask, arm_condexec_masklen)): New variables.
7955 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
7956 (arm_override_options): Check new CPU capabilities.
7957 Set new architecture flag variables.
7958 (arm_isr_value): Handle v7m interrupt functions.
7959 (user_return_insn): Return 0 for v7m interrupt functions. Handle
7961 (const_ok_for_arm): Handle Thumb-2 constants.
7962 (arm_gen_constant): Ditto. Use movw when available.
7963 (arm_function_ok_for_sibcall): Return false for v7m interrupt
7965 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
7966 (thumb_find_work_register, arm_load_pic_register,
7967 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
7968 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
7969 print_multi_reg, output_mov_long_double_fpa_from_arm,
7970 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
7971 output_mov_double_fpa_from_arm, output_move_double,
7972 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
7973 output_return_instruction, arm_output_function_prologue,
7974 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
7975 arm_output_mi_thunk, thumb_set_return_address): Ditto.
7976 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
7977 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
7978 (arithmetic_instr, shift_op): Use arm_shift_nmem.
7979 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
7981 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
7982 (thumb_expand_prologue): Use thumb_set_frame_pointer.
7983 (arm_file_start): Output directive for unified syntax.
7984 (arm_unwind_emit_set): Handle stack alignment instruction.
7985 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
7986 Add v6t2, v7, v7a, v7r and v7m.
7987 (RETLDM): Add Thumb-2 code.
7988 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
7989 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
7990 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
7991 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
7992 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
7993 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
7994 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
7995 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
7996 ADJUST_INSN_LENGTH): Define.
7997 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
7998 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
7999 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
8000 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
8001 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
8002 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
8003 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
8004 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
8005 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
8006 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
8007 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
8008 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
8009 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
8010 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
8011 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
8012 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
8013 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
8015 * config/arm/arm-tune.md: Regenerate.
8016 * config/arm/arm-protos.h: Update prototypes.
8017 * config/arm/vfp.md: Enable patterns for Thumb-2.
8018 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
8019 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
8020 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
8021 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
8022 * config/arm/libunwind.S: Add Thumb-2 code.
8023 * config/arm/constraints.md: Update include Thumb-2.
8024 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
8025 * config/arm/ieee754-df.S: Ditto.
8026 * config/arm/bpabi.S: Ditto.
8027 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
8028 * config/arm/predicates.md (low_register_operand,
8029 low_reg_or_int_operand, thumb_16bit_operator): New.
8030 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
8031 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
8032 * config/arm/t-arm-elf: Add armv7 multilib.
8033 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
8035 (UNSPEC_STACK_ALIGN, ce_count): New.
8036 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
8037 arm_zero_extendsidi2, arm_zero_extendqidi2): New
8039 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
8040 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
8041 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
8042 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
8043 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
8044 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
8046 * doc/extend.texi: Document ARMv7-M interrupt functions.
8047 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
8049 2007-01-03 Jakub Jelinek <jakub@redhat.com>
8051 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
8052 (struct _Unwind_Context): Rename args_size to flags, remove
8053 signal_frame field, add a new args_size field and version field.
8054 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
8055 _Unwind_IsExtendedContext): New inline functions.
8056 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8057 Assume by_value array is only present if _Unwind_IsExtendedContext.
8058 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
8059 _Unwind_IsSignalFrame.
8060 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
8061 (uw_update_context_1): Use _Unwind_SetSignalFrame.
8062 (uw_init_context_1): Initialize context->flags to
8063 EXTENDED_CONTEXT_BIT.
8064 * config/rs6000/linux-unwind.h (frob_update_context): Use
8065 _Unwind_SetSignalFrame.
8067 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
8070 * gimplify.c (gimplify_modify_expr_complex_part): Move below
8071 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
8074 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
8076 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
8077 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
8078 RET, AT_SP): Remove.
8079 * config/i386/i386.md (*sse_prologue_save_insn): Use return
8082 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8083 * cfgbuild.c (find_basic_blocks): Likewise.
8084 * cfgrtl.c (rtl_create_basic_block): Likewise.
8085 * function.c (temp_slots_at_level): Likewise.
8086 * reg-stack.c (stack_regs_mentioned): Likewise.
8087 * regclass.c (allocate_reg_info): Likewise.
8088 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8089 set_bb_for_stmt, move_block_to_fn): Likewise.
8090 * tree-complex.c (tree_lower_complex): Likewise.
8091 * vec.h (VEC_safe_grow_cleared): New.
8093 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
8095 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
8097 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
8098 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
8100 * cfgloopmanip.c (scale_loop_frequencies): Export.
8101 (loopify): Scale the frequencies by prescribed coefficients.
8102 (set_zero_probability): New function.
8103 (duplicate_loop_to_header_edge): Improve updating of frequencies.
8104 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
8105 and frequencies according to arguments.
8106 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
8108 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
8109 * modulo-sched.c (sms_schedule): Set probabilities for entering
8110 versioned loop correctly.
8111 * tree-vect-transform.c (vect_transform_loop): Ditto.
8112 * cfgloop.h (loopify, loop_version): Declaration changed.
8113 (scale_loop_frequencies): Declared.
8115 2007-01-02 Jan Hubicka <jh@suse.cz>
8117 * cgraph.c: Include tree-flow.h
8118 (cgraph_add_new-function): Handle IPA_SSA mode; execute
8120 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
8121 * tree-pass.h (pass_all_early_optimizations): Declare.
8122 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
8124 (cgraph_analyze_function): Do early_local_passes.
8125 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
8126 Do not add referenced vars.
8127 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
8129 (gate_all_early_local_passes): New gate.
8130 (pass_early_local_passes): Use new gate.
8131 (execute_early_local_optimizations): New functions.
8132 (gate_all_early_optimizations): New gate.
8133 (pass_all_early_optimizations): New pass.
8134 (execute_free_datastructures): Free SSA only when initialized.
8135 (gate_init_datastructures): Init only when optimizing.
8136 (tree_lowering_passes): Do early local passes when called late.
8137 * tree-profile.c (do_tree_profiling): Don't profile functions added
8139 (do_early_tree_profiling, pass_early_tree_profile): Kill.
8140 * tree-cfg.c (update_modified_stmts): Do not update when operands are
8142 * passes.c (init_optimizations_passes): Reorder so we go into SSA
8143 during early_local_passes.
8144 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
8147 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
8149 * Makefile.in: Update copyright year.
8151 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
8153 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
8154 in $(lang_checks) and check-consistency targets.
8156 2007-01-02 Jan Hubicka <jh@suse.cz>
8158 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
8159 Do not add referenced vars.
8160 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
8162 * passes.c (init_optimization_passes): Put mudflap_2 after
8163 free_datastructures.
8165 2007-01-02 Jan Hubicka <jh@suse.cz>
8167 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
8168 Set NOTHROW flag on call statements proved to be nothrow.
8169 Update statement of local calls so new pure/const functions are
8170 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
8172 (tree_rest_of_compilation): Register hooks and initialize bitmap
8173 early. Do not set after_inlining flag.
8175 2007-01-02 Steve Ellcey <sje@cup.hp.com>
8177 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
8178 HOST_BITS_PER_LONGLONG
8180 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8183 * c-typeck.c (store_init_value): Don't emit pedantic overflow
8184 warning for non-static initializers.
8186 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
8188 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
8189 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
8190 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
8191 Always use set_unique_reg_note to add REG_EQUAL notes.
8193 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
8196 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
8198 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8199 * cfgbuild.c (find_basic_blocks): Likewise.
8200 * cfgrtl.c (rtl_create_basic_block): Likewise.
8201 * function.c (temp_slots_at_level): Likewise.
8202 * reg-stack.c (stack_regs_mentioned): Likewise.
8203 * regclass.c (allocate_reg_info): Likewise.
8204 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8205 set_bb_for_stmt, move_block_to_fn): Likewise.
8206 * tree-complex.c (tree_lower_complex): Likewise.
8207 * vec.h (VEC_safe_grow_cleared): New.
8209 2007-01-02 Ian Lance Taylor <iant@google.com>
8211 * c-common.c (c_common_truthvalue_conversion): When warning about
8212 using an assignment as a truth value, set TREE_NO_WARNING.
8214 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8217 * c.opt (Wold-style-declaration): New.
8218 * doc/invoke.texi (C-only Warning Options): New.
8219 (Wold-style-declaration): Document it.
8220 (Wextra): Enabled by -Wextra.
8221 * c-opts.c (c_common_post_options): Enabled by -Wextra.
8222 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
8223 -Wold-style-declaration.
8225 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
8227 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8228 * cfgbuild.c (find_basic_blocks): Likewise.
8229 * cfgrtl.c (rtl_create_basic_block): Likewise.
8230 * function.c (temp_slots_at_level): Likewise.
8231 * reg-stack.c (stack_regs_mentioned): Likewise.
8232 * regclass.c (allocate_reg_info): Likewise.
8233 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8234 set_bb_for_stmt, move_block_to_fn): Likewise.
8235 * tree-complex.c (tree_lower_complex): Likewise.
8236 * vec.h (VEC_safe_grow_cleared): New.
8238 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
8240 * c-common.c (c_common_nodes_and_builtins): Since variants of
8241 void_type_node get built before it is given a name, we need to
8242 give those variants the name, too.
8243 (complete_array_type): We need to work with the canonical main
8244 type of the array, from which we will build the qualified version.
8245 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
8246 * print-tree.c (print_node): Display canonical type information
8248 * stor-layout.c (layout_type): When we don't know the
8249 alignment of a type for which we're building an array, we end up
8250 guessing wrong, so make the type require structural equality.
8251 * tree.c (make_node_stat): When we build a new type, it is its
8253 (build_type_attribute_qual_variant): When building an attribute
8254 variant, its canonical type is the non-attribute variant. However,
8255 if the attributes are target-dependent and they differ, we need to
8256 use structural equality checks for this type.
8257 (build_qualified_type): A qualified type is not equivalent to its
8258 unqualified variant; set the canonical type appropriately.
8259 (build_distinct_type_copy): When building a distinct type from
8260 another type, the new type is its own canonical type.
8261 (build_variant_type_copy): When building a new type variant, we
8262 assume that it is equivalent to the original type.
8263 (build_pointer_type_for_mode): When building a pointer type, also
8264 build a canonical type pointer.
8265 (build_reference_type_for_mode): When building a reference type,
8266 also build a canonical type reference.
8267 (build_index_type): When we can't hash an index type (e.g.,
8268 because its maximum value is negative), the index type requires
8269 structural equality tests.
8270 (build_array_type): Build the canonical form of an array type.
8271 (build_function_type): Function types require structural equality,
8272 because they contain default arguments, attributes, etc.
8273 (build_method_type_directly): Ditto for method types.
8274 (build_offset_type): Build the canonical offset type.
8275 (build_complex_type): Build the canonical vector type.
8276 (make_vector_type): Build the canonical vector type.
8277 * tree.h (TYPE_CANONICAL): New.
8278 (TYPE_STRUCTURAL_EQUALITY_P): New.
8279 (SET_TYPE_STRUCTURAL_EQUALITY): New.
8280 (struct tree_type): Added "canonical" field.
8281 * params.h (VERIFY_CANONICAL_TYPES): New.
8282 * doc/c-tree.texi (TYPE_CANONICAL): Document.
8283 (TYPE_STRUCTURAL_EQUALITY_P): Document.
8284 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
8285 * doc/invoke.texi (verify-canonical-types): Document --param
8286 parameter for verifying canonical types.
8288 2007-01-02 Joseph Myers <joseph@codesourcery.com>
8290 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
8291 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
8292 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
8293 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
8295 * config/rs6000/e500.h: New.
8296 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
8297 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
8299 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
8300 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
8301 TARGET_E500_DOUBLE): Remove.
8302 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
8303 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
8304 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
8305 * config/rs6000/rs6000.c (rs6000_override_options): Use
8308 2007-01-02 Joseph Myers <joseph@codesourcery.com>
8310 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
8311 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
8312 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
8313 rs6000_emit_cmove): Don't check TARGET_E500.
8314 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
8315 sordered): Don't check TARGET_E500.
8317 2007-01-01 Eric Christopher <echristo@apple.com>
8319 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
8320 HARD_REGISTER_NUM_P.
8322 2007-01-01 Roger Sayle <roger@eyesopen.com>
8324 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
8325 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
8326 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
8329 2007-01-01 Mike Stump <mrs@apple.com>
8331 * configure.ac: Remove support for building with Apple's gcc-3.1.
8333 2007-01-02 Joseph Myers <joseph@codesourcery.com>
8336 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
8337 REG is a hard register. Do not modify REG before calling
8339 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
8340 multiple of the size of YMODE for certain lowpart cases.
8342 2007-01-01 Andrew Pinski <pinskia@gmail.com>
8345 * gimplify (voidify_wrapper_expr): Update for
8348 2007-01-01 Andreas Schwab <schwab@suse.de>
8351 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
8352 save of BR0 in extra_spill_size instead of spill_size.
8353 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
8355 (ia64_expand_epilogue): Restore BR0 from its new location.
8357 2007-01-01 Andrew Pinski <pinskia@gmail.com>
8359 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
8360 Use a temporary variable if the left hand side is not a gimple
8363 2007-01-01 Andrew Pinski <pinskia@gmail.com>
8365 * gimplify.c (gimplify_return_expr): Make the temporary variable
8366 for the return expression, a gimple register variable.
8368 2007-01-01 Jan Hubicka <jh@suse.cz>
8370 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
8373 2007-01-01 Mike Stump <mrs@apple.com>
8375 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
8377 * config/darwin.c (machopic_select_rtx_section): Use
8379 (darwin_mergeable_constant_section): Likewise.
8380 * configure: Regenerate.
8381 * config.in: Regenerate.
8383 2007-01-01 Jan Hubicka <jh@suse.cz>
8384 Andrew Pinski <pinskia@gmail.com>
8386 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
8387 before starting IPA passes.