1 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
3 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
4 (op_type attribute): RRF instruction type added.
5 (fT0): New mode attribute.
6 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
7 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
8 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
9 no secondary memory is needed when moving DFmode values between GPRs
12 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
14 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
15 inverted and documentation adjusted.
16 ("mhard-dfp", "msoft-dfp"): New options.
17 * config/s390/s390.c (s390_handle_arch_option): New architecture
19 (override_options): Sanity checks for the new options added.
20 * config.gcc: New architecture switch: z9-ec.
21 * config/s390/s390.h (processor_flags): PF_DFP added.
22 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
23 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
24 when the bit is NOT set so remove it from the defaults.
26 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
28 * genemit.c (main): Print include statement for dfp.h.
29 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
32 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
34 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
36 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
39 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
42 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
44 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
45 attr_length_call, output_call, output_indirect_call): Cleanup
46 formatting of targetm calls.
48 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
50 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
52 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
54 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
55 reservation, bypass and anti-bypass descriptions for these instructions.
57 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
60 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
62 * tree-vect-transform.c (get_initial_def_for_induction): Replace
63 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
64 (get_initial_def_for_reduction): Likewise.
66 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
68 Fix PR tree-optimization/29922
69 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
70 (get_representative): Removed.
71 (value_dies_in_block_x): Update for rvuse removal.
72 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
73 (compute_antic_aux): Handle when PHI nodes appear in
74 non-single-successors.
75 (dump_bitmap_of_names): Removed.
76 (compute_antic_safe): Renamed and removed rvuse calculation.
77 Calculate only antic safe.
78 (insert_into_preds_of_block): Remove assert.
79 (execute_pre): Update for renamed functions.
80 (defer_or_phi_translate_block): New function.
82 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
84 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
85 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
87 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
88 Follow spelling conventions.
90 * tree-data-ref.h: Remove the prototype for analyze_array.
92 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
94 PR tree-optimization/31041
95 * tree-vect-transform.c (get_initial_def_for_induction): Call
98 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
100 * ipa-type-escape.c (look_for_casts) : Revert code to use
101 handled_component_p due to ada test a-numaux.adb.
103 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
105 * final.c (final_scan_insn): Alter the condition of a
106 conditional trap if we have nonstandard CC.
108 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
110 * configure.ac: Remove excess quoting from asm line 0 test.
111 * configure: Rebuilt.
113 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
115 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
116 * c-common.c (convert_and_check): Move warning logic to...
117 (warnings_for_convert_and_check): ...here. Define.
118 * c-common.h (warnings_for_convert_and_check): Declare.
120 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
122 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
123 (output_call): Likewise.
125 2007-03-16 Richard Sandiford <richard@codesourcery.com>
127 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
129 2007-03-16 Richard Sandiford <richard@codesourcery.com>
131 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
133 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
135 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
136 opteron, athlon-64 and athlon-fx processor_alias_table entries.
138 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
140 PR tree-optimization/31183
141 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
142 Use double_int instead of unsigned int for representing access_strides.
143 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
145 2007-03-16 Richard Guenther <rguenther@suse.de>
147 PR tree-optimization/31146
148 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
149 to allow recursion of forward_propagate_addr_expr.
150 (forward_propagate_addr_into_variable_array_index): Likewise.
151 (forward_propagate_addr_expr): Likewise.
152 (tree_ssa_forward_propagate_single_use_vars): Likewise.
153 (forward_propagate_addr_expr_1): Recurse on simple copies
154 instead of propagating into them. Do so for useless conversions
156 (forward_propagate_addr_expr): Clean up unused statements after
159 2007-03-16 Richard Guenther <rguenther@suse.de>
161 * builtins.c (expand_builtin_cexpi): Use the right argument
162 for the expansion via cexp.
164 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
166 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
167 * configure: Rebuilt.
169 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
172 * dwarf2out.c (force_type_die): Adjust comment.
173 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
175 2007-03-15 DJ Delorie <dj@redhat.com>
177 * config/frv/predicates.md (minmax_operator): Don't check operands
180 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
182 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
183 Update constant estimates of number of iterations.
184 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
185 argument renamed to "realistic".
186 (compute_estimated_nb_iterations): Removed.
187 (record_niter_bound): New function.
188 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
189 call record_nonwrapping_iv with upper = false.
190 (infer_loop_bounds_from_signedness): Pass upper argument to
191 record_nonwrapping_iv.
192 (estimate_numbers_of_iterations_loop): Do not call
193 compute_estimated_nb_iterations. Record estimate based on profile
194 information. Initialize the constant estimates of number of
196 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
198 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
199 number of iterations is too small.
200 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
201 (EST_NOT_AVAILABLE): Removed.
202 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
203 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
206 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
208 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
209 Handle NE_EXPR guards.
211 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
214 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
215 Set also -pedantic-errors by default for the preprocessor unless
216 -fpermissive is given.
218 2007-03-15 Richard Guenther <rguenther@suse.de>
222 * builtins.c (expand_builtin_cexpi): As a fallback if we
223 don't have builtins for sincos or cexp create a function
224 declaration for cexp and expand to a call to that.
225 (expand_builtin_int_roundingfn): Always fall
226 back to floor/ceil and its variants even if they may be
229 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
232 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
233 jump tables, move the call to delete_dead_jumptables from here...
234 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
235 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
236 don't allow merging of blocks that try_redirect_by_replacing_jump
237 also does not handle when not optimizing.
239 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
240 Francois-Xavier Coudert <coudert@clipper.ens.fr>
242 * config/i386/i386.md (x86_sahf_1): Correctly handle
245 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
248 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
249 x86_64_general_operand as operand[2] predicate. Remove "iF"
250 from operand constraints and use "e" constraint instead.
251 (*subti3_1, *subti3_1 splitter): Ditto.
252 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
253 operand[1] predicate.
255 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
257 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
258 arrays, multiply the access strides by the size of the sub-array.
259 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
261 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
263 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
264 the configured assembler supports the sahf mnemonic.
265 * configure: Regenerate.
266 * config.in: Regenerate.
268 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
269 emit "sahf" or ".byte\t0x9e" as asm template.
271 2007-03-14 Michael Meissner <michael.meissner@amd.com>
274 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
275 option to replace hard coded TARGET_xxx in md file.
276 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
277 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
278 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
279 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
280 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
281 (X86_TUNE_NOT_VECTORMODE): Ditto.
282 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
283 (TUNE_AVOID_VECTOR_DECODE): Ditto.
284 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
285 (TUNE_SLOW_IMUL_IMM8): Ditto.
286 (TUNE_MOVE_M1_VIA_OR): Ditto.
287 (TUNE_NOT_UNPAIRABLE): Ditto.
288 (TUNE_NOT_VECTORMODE): Ditto.
290 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
293 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
294 tuning options instead of hard coded TARGET_xxx.
295 (fix ssemode peephole2's): Ditto.
296 (imul peephole2's): Ditto.
298 (movdi_or_rex64): Ditto.
299 (move peephole2): Ditto.
300 (not peephole2's): Ditto.
302 2007-03-14 Dirk Mueller <dmueller@suse.de>
304 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
305 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
306 * c-parser.c (c_parser_if_body): Always add an empty statement in case
308 * c-parser.c (c_parser_do_statement): Warn about empty body in
310 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
311 * doc/invoke.texi (-Wempty-body): Update documentation.
313 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
316 * c-common.h (warn_for_div_by_zero): Declare.
317 * c-common.c (warn_for_div_by_zero): Define.
318 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
321 2007-03-14 Richard Sandiford <richard@codesourcery.com>
323 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
324 to PREFIX and STANDARD_PREFIX.
326 2007-03-14 Richard Sandiford <richard@codesourcery.com>
327 Phil Edwards <phil@codesourcery.com>
329 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
330 (__gthread_once_t): Remove busy field for RTPs.
331 (__GTHREAD_ONCE_INIT): Update accordingly.
333 2007-03-14 Richard Sandiford <richard@codesourcery.com>
335 * doc/invoke.texi: Document VxWorks options.
337 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
339 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
341 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
343 PR tree-optimization/30590
344 * tree-nrv.c (tree_nrv): Check for the partial update of the
347 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
349 * flags.h (flag_random_seed): Remove declaration, in favor of...
350 * toplev.h (get_random_seed, set_random_seed): ... these.
351 * tree.c (get_file_function_name): Use the former.
352 * opts.c (common_handle_option): Use the latter.
355 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
358 * cse.c (cse_find_path): Do not bail out if a basic block that
359 we already visited now becomes part of a path that starts at a
360 different basic block. Just disallow this, to make sure we
361 visit each basic block at most once.
363 2007-03-13 Jan Hubicka <jh@suse.cz>
365 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
366 when profile esitmate is present, calls with very low frequency are
369 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
371 PR tree-optimization/30730
372 PR tree-optimization/26900
373 * tree-ssa-loop-niter.c: Include gmp.h.
375 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
376 split_to_var_and_offset, determine_value_range,
377 bound_difference_of_offsetted_base, refine_bounds_using_guard,
378 bound_difference, bounds_add, bounds_negate,
379 number_of_iterations_ne_max, dump_affine_iv): New functions.
380 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
381 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
382 difference of initial and final value of control iv to validate
384 (number_of_iterations_cond): Add loop parameter. Determine bounds
385 on the difference of the extremes of the control iv. Add dumps.
386 (expand_simple_operations): Handle phi nodes.
387 (simplify_using_initial_conditions): Do not record used conditions.
388 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
389 Do not set additional_info.
390 (implies_nonnegative_p, implies_ge_p): Removed.
391 (derive_constant_upper_bound): Do not use parameter `additional'.
392 (record_estimate): Parameter `additional' removed. Parameter
393 `i_bound' added. Do not call derive_constant_upper_bound.
394 (record_nonwrapping_iv): Use derive_constant_upper_bound to
395 bound the number of iterations estimate.
396 (estimate_numbers_of_iterations_loop): Pass the estimate from
397 the number of iterations analysis to record_estimate.
398 * tree.h (multiple_of_p): Declare.
399 * tree-scalar-evolution.c (expression_expensive_p): Removed.
400 (scev_const_prop): Do not check expression_expensive_p.
401 * fold-const.c (multiple_of_p): Exported.
402 * double-int.c (double_int_mask): Exported.
403 * double-int.h (double_int_mask): Declare.
404 * tree-flow.h (struct tree_niter_desc): Removed additional_info
405 field. Added max field.
407 2007-03-13 David Taylor <taylor@candd.org>
410 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
413 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
416 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
419 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
421 * config/i386/i386.opt (mcx16, msahf): New options.
422 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
423 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
425 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
426 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
427 Output -mcx16 and -msahf options when corresponding bit is set.
429 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
432 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
434 * configure.ac: Test for assembler tolerance to # 0 "".
435 * configure, config.in: Rebuilt.
436 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
438 2007-03-13 Geoffrey Keating <geoffk@apple.com>
440 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
442 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
443 (handle_syscall): Handle direct system calls.
444 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
446 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
448 * doc/invoke.texi: Fix cpp.info cross-reference.
449 * doc/passes.texi: Fix gcc.info cross-reference.
451 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
453 PR tree-optimization/30835
454 * lambda-code.c (can_convert_to_perfect_nest): Check whether
455 bb_for_stmt is not NULL before accessing it.
457 2007-03-12 Joseph Myers <joseph@codesourcery.com>
459 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
462 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
465 * doc/install.texi: Document --enable-stage1-languages
467 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
469 * tree-pass.h (pass_into_cfg_layout_mode,
470 pass_outof_cfg_layout_mode): Declare.
471 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
472 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
473 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
474 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
476 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
478 * c-decl.c (warn_variable_length_array): New function.
479 Refactored from grokdeclarator to handle warn_vla
480 and handle unnamed array case.
481 (grokdeclarator): Refactored VLA warning case.
482 * c.opt (Wvla): New flag.
483 * doc/invoke.texi (Wvla): New warning.
485 2007-03-12 Richard Henderson <rth@redhat.com>
487 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
488 (TARGET_SECTION_TYPE_FLAGS): New.
490 2007-03-12 Richard Henderson <rth@redhat.com>
492 * config/darwin.c (machopic_reloc_rw_mask): New.
493 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
494 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
496 2007-03-12 Mark Mitchell <mark@codesourcery.com>
498 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
499 * cppdefault.h (cpp_PREFIX): Document.
500 (cpp_PREFIX_len): Likewise.
501 (cpp_EXEC_PREFIX): New variable.
502 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
503 * c-incpath.c (add_standard_paths): Correct logic for relocating
506 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
508 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
509 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
511 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
512 fix_truncdfdi_sse using SSEMODEF mode macro.
513 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
514 fix_truncdfsi_sse using SSEMODEF mode macro.
515 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
516 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
518 2007-03-12 Richard Sandiford <richard@codesourcery.com>
520 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
523 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
525 * tree.h : Add multiple_of_p declaration.
526 * fold-const.c (multiple_of_p): Make multiple_of_p public.
527 * ipa-type-escape.c (results_of_malloc): Redundant.
528 (visited_stmts): New. Visited stmt for walk_use_def_chains.
529 (cast_type): Extended with new members.
530 (check_cast): Returns cast_type.
531 (cast): New structure for data of walk_use_def_chains.
532 (is_malloc_result, is_cast_from_non_pointer_1,
533 is_cast_from_non_pointer,
534 is_array_access_through_pointer_and_index): New functions.
535 (look_for_casts): Returns cast types.
536 (check_call): Returns void.
537 (okay_pointer_operation): Use support of pointer plus index,
538 pointer plus constant and allow all multiplications.
540 2007-03-11 Richard Guenther <rguenther@suse.de>
542 PR tree-optimization/31115
543 * tree-vrp.c (extract_range_from_binary_expr): Make sure
544 the shift count is positive and non-anti-range for RSHIFT_EXPR.
545 A shift count of zero is not special as with *_DIV_EXPR.
546 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
549 2007-03-11 Ian Lance Taylor <iant@google.com>
551 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
552 the *_DIV_EXPR codes correctly with overflow infinities.
554 2007-03-11 Ira Rosen <irar@il.ibm.com>
556 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
557 indicate success/failure of the analysis. Add negation to subtrahend
558 in case of subtraction. Fail if both operands contain constants.
559 (create_data_ref): Fail if analyze_offset fails.
561 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
563 * config/i386/i386.md (frndintxf2): Rename to ...
564 (rintxf2): ... this. Remove expander having same name.
565 (rintsf2, rintdf2): Implement using SSEMODEF macro.
566 (roundsf2, rounddf2): Ditto.
567 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
568 (lround<mode>di2, lround<mode>si2): Ditto.
570 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
572 * lower-subreg.c: Include except.h.
573 (decompose_multiword_subregs): Verify that the only control flow
574 insns we can split are loads to multi-words pseudos.
575 Handle breaking such blocks after splitting, instead of calling
576 find_many_sub_basic_blocks.
578 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
579 on the new basic block. Add a lengthy comment explaining why we
580 thought this was necessary.
581 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
583 2007-03-10 Mark Mitchell <mark@codesourcery.com>
586 * tree.c (walk_type_fields): Recurse into the element type of
587 ARRAY_TYPEs if there is a pointer set.
589 2007-03-10 Dirk Mueller <dmueller@suse.de>
591 * c-common.c (warn_logical_operator): Fix condition.
593 2007-03-10 Tobias Schlüter <tobi@gcc.gnu.org>
595 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
597 * config/darwin.c (machopic_select_section): Remove superfluous
598 argument in call to categorize_decl_for_section. Remove unused
601 2007-03-10 Joseph Myers <joseph@codesourcery.com>
603 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
605 * configure: Regenerate.
607 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
610 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
611 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
612 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
613 Add LABEL_NUSES to emitted label.
614 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
615 branch probability value to emitted jump insn.
616 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
617 Do not check life information and do not re-arrange input operands
618 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
620 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
622 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
623 the change of decode_asm_operands.
625 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
627 * mode-switching.c (create_pre_exit): Skip blockage insn.
629 2007-03-09 Diego Novillo <dnovillo@redhat.com>
631 * tree-pass.h (TODO_update_smt_usage): Remove.
633 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
637 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
639 * pa.c (attr_length_call): Revise condition for long pc-relative branch.
640 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
641 calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
644 2007-03-09 Geoffrey Keating <geoffk@apple.com>
646 * gcc.c: Document %{, in big comment at top.
647 (input_suffix_matches): Remove special handling for .s and
649 (input_spec_matches): New.
650 (handle_braces): Handle %{,.
651 (validate_switches): ',' indicates a value which is not a switch.
652 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
653 to detect assembler input.
654 * config/i386/sol2.h (CPP_SPEC): Likewise.
655 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
656 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
657 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
658 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
659 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
660 -m64 causes deployment target to default to 10.5.
661 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
663 2007-03-09 Richard Henderson <rth@redhat.com>
666 * target.h (targetm.asm.out.reloc_rw_mask): New.
667 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
668 (TARGET_ASM_OUT): Use it.
669 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
670 * varasm.c (categorize_decl_for_section): Remove shlib argument;
671 use the new reloc_rw_mask target hook instead.
672 (default_section_type_flags_1): Merge into...
673 (default_section_type_flags): ... here.
674 (decl_readonly_section_1): Merge into...
675 (decl_readonly_section): ... here.
676 (default_elf_select_section_1): Merge into...
677 (default_elf_select_section): ... here.
678 (default_unique_section_1): Merge into...
679 (default_unique_section): ... here.
680 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
681 (default_select_rtx_section): Use it.
682 (default_elf_select_rtx_section): Likewise.
683 * output.h: Update to match.
684 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
685 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
686 (TARGET_ASM_RELOC_RW_MASK): New.
687 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
688 to categorize_decl_for_section.
689 (x86_64_elf_unique_section): Likewise.
690 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
691 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
692 (TARGET_ASM_RELOC_RW_MASK): New.
693 * config/ia64/ia64.c (ia64_rwreloc_select_section,
694 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
695 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
696 (TARGET_RWRELOC): Remove.
697 (ia64_section_type_flags): Adjust call to default_section_type_flags.
698 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
699 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
700 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
701 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
702 (rs6000_xcoff_select_section): Use decl_readonly_section.
703 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
704 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
705 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
706 (TARGET_SECTION_TYPE_FLAGS): Remove.
707 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
709 2007-03-09 Roger Sayle <roger@eyesopen.com>
711 * fold-const.c (fold_comparison): Remove compile-time evaluation of
712 complex constant equality/inequality comparisons for here.
713 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
714 known at compile-time or can be simplified to a scalar comparison.
715 (fold_relational_const): Move compile-time evaluation of complex
716 constant equality/inequality comparisons to here.
718 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
720 PR rtl-optimization/30643
721 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
723 (fold_rtx): Recurse, like before 2006-11-03.
725 2007-03-09 DJ Delorie <dj@redhat.com>
727 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
730 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
732 PR tree-optimization/30375
733 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
734 LHS of statements is not the same.
735 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
737 2007-03-09 Chao-ying Fu <fu@mips.com>
739 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
741 * doc/invoke.texi (-mdspr2): Document new option.
742 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
743 New unspec for DSP REV 2.
744 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
745 these instructions are extended in DSP REV 2.
746 (mips-dspr2.md): Include.
747 * config/mips/mips.opt (mdspr2): New option.
748 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
749 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
750 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
751 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
752 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
753 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
754 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
756 (bdesc_map): Add one field of unsupported_target_flags.
757 (bdesc_arrays): Update entries to have extra fields. Add
759 (mips_init_builtins): Initialize new function types.
760 Check unsupported_target_fileds to filter out builtins.
761 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
763 (ASM_SPEC): Pass mdspr2 to the assembler.
764 * config/mips/mips-dspr2.md: New file.
766 2007-03-09 Sa Liu <saliu@de.ibm.com>
768 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
770 2007-03-09 Ian Lance Taylor <iant@google.com>
772 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
773 argument) like -Wstrict-overflow=2.
774 * doc/invoke.texi (Warning Options): Update documentation.
776 2007-03-09 Dirk Mueller <dmueller@suse.de>
779 * doc/invoke.texi (-Wlogical-op): Document.
780 * common.opt (-Wlogical-op): New.
781 * c-common.h (warn_logical_operator): Declare.
782 * c-common.c (warn_logical_operator): Define.
783 * c-typeck.c (parser_build_binary_op): Call
784 warn_logical_operator.
786 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
788 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
789 * final.c (final_scan_insn): Test for non-"" file name.
791 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
793 * doc/loop.texi: Document the Omega linear constraints solver.
794 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
795 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
796 omega-hash-table-size, omega-max-keys, and
797 omega-eliminate-redundant-constraints.
798 * tree-pass.h (pass_check_data_deps): Declared.
801 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
802 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
803 pass_check_data_deps): New.
804 * tree-data-ref.c (init_data_ref): Remove declaration.
805 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
806 (analyze_array): Renamed init_array_ref, move up initializations.
807 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
808 Removed arguments that are set to NULL.
809 (analyze_indirect_ref): Correct indentation, correct call to
811 (object_analysis): Call init_array_ref instead of analyze_array.
812 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
813 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
814 of DR_ACCESS_FNS_ADDR.
815 (init_omega_eq_with_af, omega_extract_distance_vectors,
816 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
817 ddr_consistent_p): New.
818 (compute_affine_dependence): Check consistency of ddrs when
819 flag_check_data_deps is passed.
820 (analyze_all_data_dependences): Uncomment.
821 (tree_check_data_deps): New.
822 * tree-data-ref.h: Include omega.h.
823 (DR_ACCESS_FNS_ADDR): Removed.
824 (data_dependence_relation): Add inner_loop.
825 (DDR_INNER_LOOP): New.
826 * common.opt (fcheck-data-deps): New.
827 * tree-flow.h (tree_check_data_deps): Declare.
828 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
829 (OBJS-common): Depend on omega.o.
831 * passes.c (pass_check_data_deps): Scheduled.
832 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
833 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
834 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
835 PARAM_VECT_MAX_VERSION_CHECKS,
836 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
838 2007-03-09 Richard Guenther <rguenther@suse.de>
840 PR tree-optimization/30904
842 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
843 the same way as *_DIV_EXPR.
845 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
847 * recog.c (decode_asm_operands): No mixed declarations and code.
849 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
851 * rtl.def (ASM_INPUT): Add location.
852 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
853 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
854 (decode_asm_operands): Add loc operand.
855 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
856 * stmt.c (expand_asm): Rename to...
857 (expand_asm_loc): ... this. Add locus argument. Pass it on to
858 gen_rtx_ASM_INPUT_loc.
859 (expand_asm_expr): Adjust.
860 * recog.c (decode_asm_operands): Add loc operand.
861 (check_asm_operands, extract_insn): Adjust.
862 * reload1.c (maybe_fix_stack_asms): Likewise.
863 * final.c (asm_insn_count): Likewise.
864 (final_scan_insn): Output # line before and after asm.
866 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
868 * tree-ssa-structalias.c (variable_info): Remove
870 (new_var_info): Ditto.
871 (shared_bitmap_info_t): New structure.
872 (shared_bitmap_table): New variable.
873 (shared_bitmap_hash): New function.
874 (shared_bitmap_eq): Ditto
875 (shared_bitmap_lookup): Ditto.
876 (shared_bitmap_add): Ditto.
877 (merge_smts_into): Change to take bitmap directly.
878 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
879 (init_alias_vars): Init shared bitmap hashtable.
880 (delete_points_to_sets): Delete shared bitmap hashtable.
881 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
882 is_aliased removal as a change that was still necessary was
885 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
887 * config/i386/i386.h (override_options): Conditionally disable
888 x86_sahf for 64bit targets only.
890 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
893 * c-decl.c (merge_decls): Don't call make_var_volatile.
894 * varasm.c (make_var_volatile): Remove.
895 * output.h (make_var_volatile): Remove.
897 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
899 PR tree-optimization/31085
900 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
902 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
904 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
905 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
906 ATTR_CONST_NOTHROW_LIST.
908 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
911 2007-03-08 Diego Novillo <dnovillo@redhat.com>
913 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
915 2007-03-08 Geoffrey Keating <geoffk@apple.com>
918 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
920 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
921 passed, use shared libgcc.
923 2007-03-08 Roger Sayle <roger@eyesopen.com>
925 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
926 instead of calling build2 with a GIMPLE_MODIFY_STMT.
927 (honor_protect_cleanup_actions, lower_try_finally_switch):
929 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
930 ifc_temp_var): Likewise.
931 * tree-inline.c (setup_one_parameter): Likewise.
932 * tree-mudflap.c (mf_decl_cache_locals,
933 mf_build_check_statement_for): Likewise.
934 * tree-nested.c (init_tmp_var, save_tmp_var,
935 finalize_nesting_tree_1): Likewise.
936 * tree-outof-ssa.c (insert_copy_on_edge,
937 insert_backedge_copies): Likewise.
938 * tree-profile.c (tree_gen_edge_profiler,
939 tree_gen_ic_profiler): Likewise.
940 * tree-scalar-evolution.c (scev_const_prop): Likewise.
941 * tree-sra.c (sra_build_assignment): Likewise.
942 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
943 * tree-ssa-math-opts.c (insert_reciprocals,
944 execute_cse_sincos_1): Likewise.
945 * tree-tailcall.c (adjust_accumulator_values,
946 adjust_return_value): Likewise.
947 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
948 * tree-vect-transform.c (vect_create_data_ref_ptr,
949 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
950 vect_create_epilog_for_reduction, vectorizable_reduction,
951 vectorizable_call, vectorizable_conversion,
952 vectorizable_assignment, vectorizable_operation,
953 vectorizable_type_demotion, vect_gen_widened_results_half,
954 vect_permute_store_chain, vectorizable_store,
955 vect_setup_realignment, vect_permute_load_chain,
956 vectorizable_load, vectorizable_condition,
957 vect_create_cond_for_align_checks): Likewise.
958 * tree-vrp.c (build_assert_expr_for): Likewise.
960 2007-03-08 Ian Lance Taylor <iant@google.com>
962 * tree-vrp.c: Include "intl.h".
963 (usable_range_p): New static function.
964 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
965 overflowed values, juts set *strict_overflow_p.
966 (compare_values): Only return -2 if one of the operands is not a
968 (compare_ranges): Call usable_range_p.
969 (compare_range_with_value): Likewise.
970 (vrp_evaluate_conditional_warnv): Rename from
971 vrp_evaluate_conditional. Make static. Change all callers.
972 (vrp_evaluate_conditional): New function.
973 (simplify_div_or_mod_using_ranges): Issue warning about reliance
975 (simplify_abs_using_ranges): Likewise.
976 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
977 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
978 within_stmt parameter.
979 * tree-ssa-propagate.c (fold_predicate_in): Update call to
980 vrp_evaluate_conditional.
981 * tree-ssa-threadedge.c
982 (record_temporary_equivalences_from_stmts_at_dest): Change
983 simplify parameter to take a second tree parameter.
984 (simplify_control_stmt_condition): Likewise.
985 (thread_across_edge): Likewise.
986 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
987 (thread_across_edge): Likewise.
988 * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
990 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
992 * config/i386/i386.h (TARGET_SAHF): New define.
993 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
994 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
995 (x86_sahf): New global variable.
996 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
997 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
998 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
999 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
1001 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
1002 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
1003 when expanding fcomi/sahf based tests.
1004 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
1005 expanding sahf based alternative. Emit sahf based sequence when
1006 optimizing for code size.
1007 * config/i386/i386.md (x86_sahf_1): Do not disable for
1008 TARGET_64BIT, enable for TARGET_SAHF.
1010 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
1012 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
1013 spurious whitespace from error message.
1015 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
1018 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
1020 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
1022 * c-decl.c (grokdeclarator): Disable warnings for anonymous
1024 * tree-sra.c (instantiate_element): Propagate disabled warnings
1025 from the element itself to the created variable.
1027 2007-03-07 Richard Henderson <rth@redhat.com>
1030 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
1031 silently fix up the stack in the case of a missing register.
1033 2007-03-07 Paul Brook <paul@codesourcery.com>
1035 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
1037 2007-03-07 Joseph Myers <joseph@codesourcery.com>
1039 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
1041 (phase1_vrs): Use them.
1042 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
1043 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
1044 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
1045 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
1046 __gnu_Unwind_Restore_WMMXC if required.
1047 (_Unwind_VRS_Pop): Implement iWMMXt support.
1048 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
1049 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
1050 gnu_Unwind_Save_WMMXC): Define.
1052 2007-03-07 Richard Sandiford <richard@codesourcery.com>
1054 * config/vxworks.h (vxworks_override_options): Declare.
1055 (VXWORKS_OVERRIDE_OPTIONS): Use it.
1056 * config/vxworks.c: Include target.h and toplev.h.
1057 (vxworks_override_options): New function.
1058 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
1060 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
1062 * config/s390/s390.c (override_options): Don't emit an error when
1063 -mstack-size is used without providing -mstack-guard.
1064 (s390_emit_prologue): Choose stack_guard value automatically if not
1065 provided via command line.
1066 * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
1068 2007-03-07 Richard Sandiford <richard@codesourcery.com>
1070 * config/i386/i386.c (output_set_got): Add a GOT initialization
1071 sequence for VxWorks PIC.
1072 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
1073 around labels as well as symbols. Use gotoff_operand instead
1074 of local_symbolic_operand.
1075 (legitimize_pic_address): Use gotoff_operand instead of
1076 local_symbolic_operand. Use @GOT accesses for labels as
1078 (ix86_output_addr_diff_elt): Use PC-relative rather than
1079 GP-relative offsets for VxWorks PIC.
1080 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
1081 no_new_pseudos. Check whether the returned register is op0.
1082 * config/i386/i386.md (tablejump): Use PC-relative rather than
1083 GP-relative offsets for VxWorks PIC.
1084 * config/i386/predicates.md (gotoff_operand): New predicate.
1086 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1088 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
1090 * config/vxworks-dummy.h: New file.
1091 * config/i386/i386.h: Include it.
1093 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
1095 * dwarf2out.c (is_inlined_entry_point): New
1096 (add_high_low_attributes): Emit DW_AT_entry_pc along with
1097 DW_AT_ranges if the first subblock is the entry point.
1099 2007-03-06 David Daney <ddaney@avtrex.com>
1101 * doc/install.texi (mips-*-*): Change recommended binutils
1104 2007-03-06 Anatoly Sokolov <aesok@post.ru>
1106 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
1107 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
1109 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1110 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1112 2007-03-06 Jan Hubicka <jh@suse.cz>
1114 * errors.h (warning, error, fatal, internal_error): Mark as cold.
1115 * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
1117 (probably_cold_bb_p): Cold functions are cold.
1118 (probably_never_executed_bb_p): Cold functions are cold.
1119 (tree_bb_level_predictions): Predict calls to cold functions as not
1121 (compute_function_frequency): Check hot/cold attributes.
1122 * function.h (function_frequency): Update comments.
1123 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
1124 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
1125 (c_common_att): Add cold and hot.
1127 * doc/extend.texi (hot,cold attributes): Document.
1129 2007-03-06 Andrew Haley <aph@redhat.com>
1131 * function.c (expand_function_end): Move blockage to just after we
1132 emit the label for the naked return from the function.
1134 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1136 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
1139 2007-03-06 Jan Hubicka <jh@suse.cz>
1141 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
1142 loaded for constant large models. Non-large 64bit PIC can do.
1143 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
1144 * cmodel.h: Add LARGE PIC.
1145 * i386.md (UNSPEC_PLTOFF): New.
1146 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
1148 (*call_1_rex64): Disable for large models.
1149 (*call_1_rex64_large): New.
1150 (*call_value_1_rex64): Disable for large models.
1151 (*call_value_1_rex64_large): New.
1152 (set_rip_rex4): New.
1153 (set_got_offset_rex64): New.
1154 * predicates.md (constant_call_address_operand): For large model
1155 constant calls are not possible.
1156 * i386-protos.h (construct_plt_address): Declare.
1157 * i386.c (override_options): Accept large models.
1158 (ix86_expand_prologue): Expand large PIC GOT pointer load.
1159 (legitimate_constant_p): Add new UNSPECs.
1160 (legitimate_pic_operand_p): Likewise.
1161 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
1162 (legitimize_pic_address): Do easy RIP relative way for TLS only for
1164 (output_pic_addr_const): Add PLTOFF.
1165 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
1166 (ix86_expand_move): Legitimize pic address when in PIC mode.
1167 (construct_plt_address): New function.
1168 (ix86_expand_call): Offload the address to register and use GOT pointer
1170 * invoke.texi (mcmodel=large): Update documentation.
1172 2007-03-06 Richard Henderson <rth@redhat.com>
1174 * config/i386/i386.c (x86_use_leave, x86_push_memory,
1175 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
1176 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
1177 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
1178 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
1179 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
1180 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
1181 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
1182 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
1183 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1184 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1185 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
1186 x86_sse_partial_reg_dependency, x86_sse_split_regs,
1187 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
1188 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
1189 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
1190 x86_schedule, x86_use_bt, x86_pad_returns,
1191 x86_use_xchgb): Merge into ...
1192 (ix86_tune_features): ... here. New array.
1193 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
1194 x86_bswap): Merge into ...
1195 (ix86_arch_features): ... here. New array.
1196 (x86_3dnow_a): Remove.
1197 (x86_accumulate_outgoing_args): Make static.
1198 (x86_arch_always_fancy_math_387): Make static.
1199 (ix86_tune_mask, ix86_arch_mask): Move ...
1200 (override_options): ... to local variables here. Apply the
1201 appropriate mask to each element of ix86_arch_features and
1202 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
1203 as were done in the old macros.
1204 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
1205 * config/i386/i386.h (x86_use_leave, x86_push_memory,
1206 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
1207 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
1208 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
1209 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
1210 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
1211 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
1212 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
1213 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
1214 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
1215 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1216 x86_accumulate_outgoing_args, x86_prologue_using_move,
1217 x86_epilogue_using_move, x86_decompose_lea,
1218 x86_arch_always_fancy_math_387, x86_shift1,
1219 x86_sse_partial_reg_dependency, x86_sse_split_regs,
1220 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
1221 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
1222 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
1223 x86_use_incdec, x86_pad_returns, x86_bswap,
1224 x86_partial_flag_reg_stall): Remove.
1225 (enum ix86_tune_indices): New.
1226 (ix86_tune_features): New.
1227 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
1228 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
1229 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
1230 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
1231 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
1232 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
1233 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
1234 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
1235 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
1236 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
1237 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
1238 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
1239 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
1240 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
1241 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
1242 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
1243 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
1244 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
1245 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
1246 TARGET_EXT_80387_CONSTANTS): Use it.
1247 (enum ix86_arch_indices): New.
1248 (ix86_arch_features): New.
1249 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
1250 TARGET_BSWAP): Use it.
1251 (ix86_tune_mask, ix86_arch_mask): Remove.
1253 2007-03-06 Joseph Myers <joseph@codesourcery.com>
1256 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
1257 Define using $${sysroot_headers_suffix}.
1258 * configure: Regenerate.
1259 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
1260 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
1262 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
1263 * gcc.c (print_sysroot_headers_suffix): New.
1264 (option_map): Include --print-sysroot-headers-suffix.
1265 (display_help): Mention -print-sysroot-headers-suffix.
1266 (process_command): Handle -print-sysroot-headers-suffix.
1267 (do_spec_1): Append multilib directory to include-fixed path if
1268 sysroot suffixes in use.
1269 (main): Handle -print-sysroot-headers-suffix.
1270 * Makefile.in (start.encap): Don't depend on xlimits.h
1271 (xlimits.h): Remove.
1272 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
1273 limits.h for each multilib in fixinc_list.
1274 (fixinc_list, s-fixinc_list): New.
1275 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
1276 generate them for each multilib in fixinc_list.
1277 (stmp-fixproto): Use include-fixed. Run fixproto for each
1278 multilib in fixinc_list.
1279 (mostlyclean): Don't remove xlimits.h.
1280 (clean): Remove include-fixed.
1281 (real-install-headers-tar, real-install-headers-cpio,
1282 real-install-headers-cp): Don't copy include, only include-fixed.
1283 (install-mkheaders): Depend on fixinc_list. Don't depend on
1284 xlimits.h. Save limits.h files for each multilib in fixinc_list.
1285 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
1286 SYSTEM_HEADER_DIR setting in mkheaders.conf.
1288 2007-03-06 Jan Hubicka <jh@suse.cz>
1290 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
1293 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1295 * configure.ac: Allow tm_file to contain build-directory files.
1296 * configure: Regenerate.
1297 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
1298 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
1299 * config/m68k/print-sysroot-suffix.sh: New file.
1301 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1303 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
1304 of pic_offset_table_rtx if reload_completed.
1305 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
1306 PIC_OFFSET_TABLE_REGNUM.
1307 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
1309 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
1310 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
1312 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1314 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
1315 functions that call eh_return.
1317 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1319 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
1320 functions that need a constant pool.
1322 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1325 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
1326 (m68k_preferred_reload_class): Likewise.
1327 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
1328 (SECONDARY_RELOAD_CLASS): Define.
1329 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
1330 (LIMIT_RELOAD_CLASS): Delete.
1331 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
1332 registers from storing bytes.
1333 (m68k_secondary_reload_class): New function.
1334 (m68k_preferred_reload_class): Likewise.
1336 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1338 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
1340 (m68k_expand_prologue): Likewise.
1342 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1344 * config/m68k/m68k-protos.h (output_sibcall): Declare.
1345 (mips_expand_epilogue): Add a bool parameter.
1346 (m68k_legitimize_sibcall_address): Declare.
1347 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
1348 (m68k_expand_epilogue): Add a parameter to select between sibling
1349 and normal epilogues. Only generate a return for the latter.
1350 (m68k_ok_for_sibcall_p): New function.
1351 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
1352 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
1353 (sibcall_value, *sibcall_value): Likewise.
1354 (*call, *call_value): Require !SIBLING_CALL_P.
1355 (epilogue): Update call to m68k_expand_epilogue.
1356 (sibcall_epilogue): New pattern.
1357 * config/m68k/predicates.md (const_call_operand): Say that this
1358 predicate applies to sibling calls too.
1359 (sibcall_operand): New predicate.
1361 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1363 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
1364 alternatives as movsi_cf.
1365 (movsf_cf_hard): Add commentary.
1367 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
1368 Richard Sandiford <richard@codesourcery.com>
1370 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
1371 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
1372 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
1373 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
1374 as being live on exit from an interrupt function.
1375 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
1376 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
1377 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
1378 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
1379 (m68k_interrupt_function_p): Globalize.
1380 (m68k_compute_frame_layout): Remove reverse mask code.
1381 (m68k_emit_movem, m68k_set_frame_related): New functions.
1382 (m68k_output_function_prologue): Delete in favor of...
1383 (m68k_expand_prologue): ...this new function.
1384 (m68k_output_function_epilogue): Delete in favor of...
1385 (m68k_expand_epilogue): ...this new function.
1386 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
1388 (print_operand): Handle %?.
1389 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
1390 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
1391 (prologue, epilogue): New patterns.
1392 (return): Turn into a define_expand.
1393 (*return): New pattern, derived from old "return" pattern. Use rte
1394 rather than rts for interrupt functions. Only use rtd if the pop
1396 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
1397 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
1398 (link, *link, unlink, *unlink, load_got): Likewise.
1400 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1404 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
1405 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
1406 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
1407 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
1408 and m68k_matches_u_p.
1409 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
1410 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
1411 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
1412 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
1413 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
1414 (REG_STRICT_P): New macro.
1415 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
1416 PCREL_GENERAL_OPERAND_OK.
1417 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
1418 m68k_legitimate_base_reg_p.
1419 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
1420 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
1421 (PIC_CASE_VECTOR_ADDRESS): Update comment.
1422 * config/m68k/m68k.c (m68k_address): New structure.
1423 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
1424 (m68k_decompose_index, m68k_legitimate_constant_address_p)
1425 (m68k_jump_table_ref_p, m68k_decompose_address)
1426 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
1427 (m68k_matches_u_p): New functions.
1428 (print_operand_address): Rewrite to use m68k_decompose_index.
1430 2007-03-05 David Taylor <dtaylor@emc.com>
1432 * gcc.c: Correct copyright date in --version output.
1434 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1436 * pa.md: In unamed move patterns, disparge copies between general
1437 and floating point registers using '?' modifier. Don't include 'f'
1438 constraint for register preferences in DImode, SImode, HImode and
1439 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
1440 Remove constraints for copies between general and floating registers
1441 in soft-float DFmode pattern.
1442 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
1446 2007-03-05 Mike Stump <mrs@apple.com>
1448 * c-common.c (targetcm): Add.
1449 * c-opts.c (c_common_handle_option): Handle language specific
1451 * opts.c (handle_option): Verify language for target options, if
1453 * opth-gen.awk: Add CL_LANG_ALL.
1454 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
1455 (TARGETCM_INITIALIZER): Add.
1456 * target.h (struct gcc_targetcm): Add.
1458 * targhooks.c (default_handle_c_option): Add.
1459 * targhooks.h (default_handle_c_option): Add.
1460 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
1462 * config/darwin.opt (iframework): Add.
1463 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
1464 * config/darwin-c.c (handle_c_option): Add.
1465 (TARGET_HANDLE_C_OPTION): Add.
1467 * doc/invoke.texi (Darwin Options): Add -iframework.
1469 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1471 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
1474 2007-03-05 Ian Lance Taylor <iant@google.com>
1476 * c.opt (fgnu89-inline): New option.
1477 * c-opts.c (c_common_post_options): Set default value for
1479 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
1480 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
1482 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
1483 (grokdeclarator, start_function): Likewise.
1484 * c-cppbuiltin.c (c_cpp_builtins): Define either
1485 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
1486 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
1487 (C Dialect Options): Document -fgnu89-inline.
1488 * doc/extend.texi (Function Attributes): Explain what the
1489 gnu_inline attribute does.
1490 * doc/cpp.texi (Common Predefined Macros): Document
1491 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1493 2007-03-05 Ian Lance Taylor <iant@google.com>
1495 PR tree-optimization/31034
1496 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
1497 half-range if the other side is an overflow infinity.
1499 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1501 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
1502 (bfin*-linux-uclibc*): New configuration.
1503 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
1505 * config/bfin/linux.h: New file.
1506 * config/bfin/libgcc-bfin.ver: New file.
1507 * config/bfin/t-bfin-uclinux: New file.
1508 * config/bfin/t-bfin-linux: New file.
1509 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
1510 (TARGET_OS_CPP_BUILTINS): New macro.
1512 2007-03-05 Richard Guenther <rguenther@suse.de>
1514 * fold-const.c (fold_binary): Remove duplicate folding
1515 of comparison of non-null ADDR_EXPR against null.
1517 2007-03-05 Richard Guenther <rguenther@suse.de>
1518 Dorit Nuzman <dorit@il.ibm.com>
1520 PR tree-optimization/26420
1521 * tree-vectorizer.c (vectorize_loops): Bail out early if there
1522 are no loops in the function. Only print the number of
1523 vectorized loops if it is greater than zero or we are supposed
1524 to print information about unvectorized loops.
1526 2007-03-05 Revital Eres <eres@il.ibm.com>
1528 * gcc.dg/var-expand1.c: New test.
1529 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
1530 when an accumulator is expanded.
1532 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1535 * c-common.c (convert_and_check): Don't give warnings for
1536 conversion if 'expr' already overflowed.
1538 2007-03-04 Roger Sayle <roger@eyesopen.com>
1541 * fold-const.c (fold_comparison): Enforce type consistency when
1542 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
1544 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
1546 * tree-ssa-address.c (create_mem_ref): Do not put an expression
1547 containing a cast to the base of TARGET_MEM_REF.
1549 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
1551 * tree.c (tree_contains_struct_check_failed): Remove spurious
1552 whitespace from error message.
1554 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
1557 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
1558 instead of precision.
1560 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
1561 Nathan Sidwell <nathan@codesourcery.com>
1563 * emit-rtl.c (find_auto_inc): New.
1564 (try_split): recreate REG_INC notes,
1565 Use regular for loops rather than whiles.
1567 2007-03-03 Andreas Schwab <schwab@suse.de>
1569 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
1570 * configure: Regenerate.
1572 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1574 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
1575 flag_rounding_math, not flag_unsafe_math_optimizations.
1577 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
1579 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
1580 alpha_fold_vector_minmax): Likewise.
1581 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
1582 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
1584 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
1586 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
1587 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
1588 if the lhs has side-effects.
1589 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
1591 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
1593 * config/i386/i386.h (TUNEMASK): Remove define.
1594 (ARCHMASK): Remove define.
1595 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
1596 Use ix86_arch_mask variable instead of ARCHMASK.
1597 * config/i386/i386.c (override_options): Ditto.
1598 (standard_80387_constant_p): Ditto.
1600 2007-03-02 Ian Lance Taylor <iant@google.com>
1602 Used signed infinities in VRP.
1603 * tree-vrp.c (uses_overflow_infinity): New static function.
1604 (supports_overflow_infinity): New static function.
1605 (make_overflow_infinity): New static function.
1606 (negative_overflow_infinity): New static function.
1607 (positive_overflow_infinity): New static function.
1608 (is_negative_overflow_infinity): New static function.
1609 (is_positive_overflow_infinity): New static function.
1610 (is_overflow_infinity): New static function.
1611 (overflow_infinity_range_p): New static function.
1612 (compare_values_warnv): New function split out of compare_values.
1613 (compare_value): Call it.
1614 (set_value_range_to_nonnegative): Add overflow_infinity
1615 parameter. Change caller.
1616 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
1618 (vrp_expr_computes_nonzero): Likewise.
1619 (compare_ranges, compare_range_with_value): Likewise.
1620 (compare_name_with_value, compare_names): Likewise.
1621 (vrp_evaluate_conditional): Likewise.
1622 (set_value_range): Handle infinity
1623 (vrp_operand_equal_p, operand_less_p): Likewise.
1624 (extract_range_from_assert): Likewise.
1625 (vrp_int_const_binop): Likewise.
1626 (extract_range_from_binary_expr): Likewise.
1627 (extract_range_from_unary_expr): Likewise.
1628 (extract_range_from_comparison): Likewise.
1629 (extract_range_from_expr): Likewise.
1630 (dump_value_range): Likewise.
1631 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
1632 (test_for_singularity): Likewise.
1633 (vrp_int_const_binop): Remove inline qualifier.
1634 (adjust_range_with_scev): Add comment.
1635 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1637 2007-03-02 Diego Novillo <dnovillo@redhat.com>
1639 * tree-ssa-structalias.c (could_have_pointers): Tidy.
1640 (get_constraint_for): Likewise.
1641 (do_structure_copy): Likewise.
1642 (find_func_aliases): Fix references to MODIFY_EXPR.
1643 (intra_create_variable_infos): Tidy.
1644 * tree-ssa-operands.c (add_virtual_operand): Add argument
1646 When adding members of alias sets, if IS_CALL_SITE is true and
1647 the symbol is not call-clobbered, skip it.
1650 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
1652 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
1653 entry by means of emit_insn_at_entry.
1655 2007-03-02 Richard Henderson <rth@redhat.com>
1657 * expr.h (promoted_input_arg): Remove decl.
1658 * function.c (promoted_input_arg): Merge into ...
1659 * combine.c (setup_incoming_promotions): ... only caller.
1660 Rearrange to avoid double loop.
1662 2007-03-02 Ben Elliston <bje@au.ibm.com>
1663 Peter Bergner <bergner@vnet.ibm.com>
1664 Janis Johnson <janis187@us.ibm.com>
1666 * config/rs6000/dfp.md: New file.
1667 * config/rs6000/rs6000.md: Include dfp.md.
1668 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
1669 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
1670 and TDmode decimal float modes in FP registers.
1671 (num_insns_constant): Likewise.
1672 (rs6000_legitimate_offset_address_p): Likewise.
1673 (rs6000_legitimize_address): Likewise.
1674 (rs6000_legitimize_reload_address): Likewise.
1675 (rs6000_legitimate_address): Likewise.
1676 (rs6000_emit_move): Likewise.
1677 (function_arg_boundary): Likewise.
1678 (function_arg_advance): Likewise.
1679 (rs6000_darwin64_record_arg_recurse): Likewise.
1680 (function_arg): Likewise.
1681 (rs6000_gimplify_va_arg): Likewise.
1682 (rs6000_split_multireg_move): Likewise.
1683 (rs6000_output_function_epilogue): Likewise.
1684 (rs6000_output_function_epilogue): Likewise.
1685 (rs6000_register_move_cost): Likewise.
1686 (rs6000_function_value): Likewise.
1687 (rs6000_libcall_value): Likewise.
1689 2007-03-02 Richard Sandiford <richard@codesourcery.com>
1691 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
1693 2007-03-02 Richard Sandiford <richard@codesourcery.com>
1695 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
1696 Use $MULTIDIR to choose between the kernel and RTP headers,
1697 and use $WIND_BASE and $WIND_USR to locate them.
1699 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
1701 * config/i386/i386.c (override_options): Put initialization of
1702 ix86_tune_mask and ix86_arch_mask to the correct place.
1704 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
1705 Michael Meissner <michael.meissner@amd.com>
1708 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
1710 (TARGET_CMOVE): Use ARCHMASK.
1711 (TARGET_CMPXCHG): Ditto.
1712 (TARGET_CMPXCHG8B): Ditto.
1713 (TARGET_XADD): Ditto.
1714 (TARGET_BSWAP): Ditto.
1715 * config/i386/i386.c (ix86_tune_mask): New global variable.
1716 (ix86_arch_mask): Ditto.
1717 (override_options): Initialize ix86_tune_mask and
1718 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
1721 2007-03-02 Ben Elliston <bje@au.ibm.com>
1724 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
1726 2007-03-02 Joseph Myers <joseph@codesourcery.com>
1728 * target.h (init_dwarf_reg_sizes_extra): New target hook.
1729 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
1730 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
1731 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
1733 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
1734 rs6000_init_dwarf_reg_sizes_extra): New.
1735 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
1736 SPE register high parts.
1738 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
1740 * Makefile.in: Add install-pdf target as
1741 copied from automake v1.10 rules.
1742 * configure.ac: Add install-pdf to target list.
1743 * configure: Regenerate.
1745 2007-03-01 Paul Brook <paul@codesourcery.com>
1747 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
1748 modes to LDRD for DImode.
1749 (output_move_double): Fixup out of range ldrd/strd.
1750 (vfp_secondary_reload_class): Rename...
1751 (coproc_secondary_reload_class): ... to this. Add wb argument.
1752 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
1753 coproc_secondary_reload_class for CLASS_IWMMXT.
1754 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
1755 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
1757 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
1759 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the unroll
1760 factor by the estimated number of iterations.
1761 (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
1764 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
1765 decode_caches_intel, detect_caches_intel): New functions.
1766 (host_detect_local_cpu): Use detect_caches_amd and
1767 detect_caches_intel.
1769 2007-03-01 Richard Henderson <rth@redhat.com>
1771 * expr.c (emit_move_complex_push): Export.
1772 (emit_move_complex_parts): Split out from ...
1773 (emit_move_complex): ... here.
1774 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
1775 * config/i386/i386.md (movcdi): New.
1777 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
1779 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
1780 size of mode1 to check for tieable modes in MMX case.
1782 2007-03-01 Richard Sandiford <richard@codesourcery.com>
1784 * Makefile.in (rtlanal.o): Depend on tree.h.
1785 * rtl.h (offset_within_section_p, split_const): Declare.
1786 * rtlanal.c: Include tree.h.
1787 (offset_within_block_p): New function, taken from
1788 mips_offset_within_object_p.
1789 (split_const): New function, taken from mips_split_const.
1790 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
1792 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
1793 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
1794 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
1795 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
1796 (m68k_illegitimate_symbolic_constant_p): New function.
1797 * config/m68k/m68k.md (movsi): Remove misleading predicates.
1798 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
1799 symbolic constant that might be outside the symbol's section,
1800 move the symbol first and then add the offset.
1801 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
1803 * config/mips/mips.c (mips_split_const): Delete.
1804 (mips_offset_within_object_p): Delete.
1805 (mips_symbolic_constant_p): Use offset_within_section_p and
1806 split_const instead of mips_offset_within_object_p and
1808 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
1809 (mips_legitimize_const_move, print_operand_reloc)
1810 (mips_dangerous_for_la25_p): Use split_const instead of
1813 2007-02-28 Eric Christopher <echristo@apple.com>
1815 * Makefile.in (install-include-dir): Don't rm -rf include.
1817 2007-02-28 Richard Guenther <rguenther@suse.de>
1820 * fold-const.c (fold_binary): Do not associate expressions
1821 with more than one variable for integer types that do not wrap.
1823 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
1825 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
1826 Delete, and replace with...
1827 (fold_builtin_call_array): This. Update callers to use it.
1828 * fold-const.c (fold_build_call_list): Delete, and replace with...
1829 (fold_build_call_array): This.
1830 (fold_build_call_list_initializer): Delete, and replace with...
1831 (fold_build_call_array_initializer): This.
1832 * tree.h: Update declarations to reflect above changes.
1834 * c-typeck.c (build_function_call): Store converted arguments
1835 in a stack-allocated array instead of building a list.
1836 (convert_arguments): Store arguments in the array passed in as an
1837 argument, and return the actual number of arguments.
1838 * c-format.c: (check_function_format): Pass arguments in an
1839 array instead of a list.
1840 * c-common.c (check_function_nonnull): Likewise.
1841 (check_function_sentinel): Likewise.
1842 (check_function_arguments): Likewise.
1843 * c-common.h: Update declarations to reflect above changes.
1845 2007-02-28 Jan Hubicka <jh@suse.cz>
1847 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
1848 PRED_NEGATIVE_RETURN): Update outcomes.
1850 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
1852 * calls.c (emit_library_call_value_1): Handle partial registers
1853 correctly when building up CALL_INSN_FUNCTION_USAGE.
1855 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1857 * pa/predicates.md (move_src_operand): Allow zero for mode.
1858 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
1861 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
1864 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
1865 *movv2df_internal): Enable pattern only for valid operand
1867 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
1868 tie only 128bit modes. For MMX registers, tie only 64bit modes.
1870 2007-02-27 Mike Stump <mrs@apple.com>
1872 * config/darwin-crt3.c: Avoid compilation when compiling for a
1875 2007-02-27 Joseph Myers <joseph@codesourcery.com>
1877 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
1879 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
1880 for fixed headers and limits.h.
1881 (install-include-dir, install-headers-tar, install-headers-cpio,
1882 install-headers-cp, real-install-headers-tar,
1883 real-install-headers-cpio, real-install-headers-cp): Handle
1884 include-fixed as well as include.
1885 (install-mkheaders): Don't install files that go only in include
1887 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
1888 from GCC_INCLUDE_DIR.
1889 * gcc.c (process_command): Remove special -BstageN/ handling.
1890 (do_spec_1): Add include-fixed directories.
1892 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
1894 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
1896 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
1898 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
1901 2007-02-27 Mark Mitchell <mark@codesourcery.com>
1903 * c-common.c (get_priority): Add check for
1904 SUPPORTS_INIT_PRIORITY.
1906 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
1908 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
1910 * config/bfin/bfin.c: Include "cfglayout.h".
1911 (MAX_LSETUP_DISTANCE): New macro.
1912 (struct loop_info): New members incoming, incoming_src and
1913 incoming_dest. Delete member predecessor.
1914 (length_for_loop): New function.
1915 (bfin_optimize_loop): Handle more different loop structures.
1916 (bfin_discover_loop): Rework detection of predecessor blocks by
1917 examining incoming edges.
1918 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
1920 (bfin_reorder_loops): New function.
1921 (bfin_reorg_loops): Use these three new functions.
1923 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
1924 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
1925 (CONSTRAINT_LEN): Add entry for 'q'.
1926 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
1927 Add 'q' constraints.
1928 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
1929 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
1931 * config/bfin/bfin.md (add_with_carry): New pattern.
1932 (s_or_u, su_optab, su_modifier): New code macros/attrs.
1933 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
1934 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
1935 support unsigned multiplies too. Removed incorrect commutativity from
1936 operand 1 constraint where appropriate.
1937 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
1939 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
1940 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
1942 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
1943 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
1944 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
1945 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
1946 usmulhisi_hh_huh): New patterns.
1948 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1949 lshifthi3): Fix output template to use half reg for operand 2.
1951 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
1954 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
1956 2007-02-27 Andreas Schwab <schwab@suse.de>
1958 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
1960 2007-02-27 Jan Hubicka <jh@suse.cz>
1962 * predict.c (last_basic_block_p): Remove.
1963 (tree_estimate_probability): Update return heuristic for commonized
1966 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
1968 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
1970 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
1972 * doc/include/gcc-common.texi (versionsubtitle): New macro.
1973 * doc/cpp.texi: Standardize title page.
1974 * doc/cppinternals.texi: Likewise.
1975 * doc/gcc.texi: Standardize title page, remove version number
1976 from copyright page.
1977 * doc/gccint.texi: Likewise.
1978 * doc/install.texi: Standardize title page, add table of
1981 2007-02-26 Jan Hubicka <jh@suse.cz>
1983 * predict.def: Set outcomes according to more recent results.
1984 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
1985 Remove dead predictors.
1986 * predict.c (return_prediction): Fix pasto.
1988 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
1990 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
1991 change; avoid a memory leak when returning early.
1993 2007-02-26 Mark Mitchell <mark@codesourcery.com>
1995 * c-decl.c (static_ctors): Move to c-common.c.
1996 (static_dtors): Likewise.
1997 (finish_function): Use c_record_cdtor_fn.
1998 (build_cdtor): Move to c-common.c.
1999 (c_write_global_declarations): Use c_build_cdtor_fns.
2000 * c-common.h (static_ctors): Declare.
2001 (static_dtors): Likewise.
2002 (c_record_cdtor_fn): Likewise.
2003 (c_build_cdtor_fns): Likewise.
2004 * c-common.c (static_ctors): New variable.
2005 (static_dtors): Likewise.
2006 (c_record_cdtor_fn): New function.
2007 (build_cdtor): Move from c-decl.c
2008 (c_build_cdtor_fns): New function.
2010 * output.h (assemble_addr_to_section): Declare.
2011 (get_cdtor_priority_section): Likewise.
2012 * varasm.c (assemble_addr_to_section): New function.
2013 (get_cdtor_priority_section): Likewise.
2014 (default_named_section_asm_out_destructor): Use them.
2015 (destor_dtor_section_asm_out_destructor): Likewise.
2016 (default_named_section_asm_out_constructor): Likewise.
2017 (default_ctor_section_asm_out_constructor): Likewise.
2018 * config.gcc (*-*-vxworks*): Include vxworks.o.
2019 * config/t-vxworks (vxworks.o): New target.
2020 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
2021 (TARGET_ASM_CONSTRUCTOR): Define.
2022 (TARGET_ASM_DESTRUCTOR): Likewise.
2023 (vxworks_asm_out_constructor): Declare.
2024 (vxworks_asm_out_destructor): Likewise.
2026 * c-common.c (get_priority): Check that we have not just an
2027 INTEGER_CST, but an integer constant with integeral type.
2029 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
2031 PR tree-optimization/30938
2032 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
2033 use &dt[nargs-1] instead of &dt[nargs] in the call to
2034 vect_is_simple_use().
2036 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
2038 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
2039 from register elimination as PRE_MODIFY / POST_MODIFY increments.
2040 Do not attempt to handle MEM inside auto-inc expressions.
2041 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
2042 of a register modified by an auto-inc expression. However, do handle
2043 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
2044 (elimination_effects): Prohibit elimination of a register modified
2045 by an auto-inc expression. Disable register elimination rules whose
2046 target register is modified by an auto-inc expression with variable
2049 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
2051 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
2053 (array_at_struct_end_p): New function.
2054 (idx_infer_loop_bounds): Use it.
2055 (estimate_numbers_of_iterations_loop): Export.
2056 * predict.c (predict_loops): Use estimated_loop_iterations_int.
2057 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
2058 (tree_estimate_probability): Call record_loop_exits.
2059 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
2060 (estimated_loop_iterations, estimated_loop_iterations_int,
2061 estimated_loop_iterations_tree): New functions.
2062 (analyze_siv_subscript_cst_affine,
2063 compute_overlap_steps_for_affine_1_2,
2064 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
2065 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
2066 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
2067 (PRED_LOOP_ITERATIONS_GUESSED): New.
2068 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
2069 * cfgloop.h (estimate_numbers_of_iterations_loop,
2070 estimated_loop_iterations_int): Declare.
2072 2007-02-25 Mark Mitchell <mark@codesourcery.com>
2074 * doc/extend.texi: Document optional priority argument to
2075 constructors and destructors.
2076 * tree.c (init_priority_for_decl): Adjust GTY markers.
2077 (init_ttree): Use priority-info hash functions for
2078 init_priority_for_decl.
2079 (tree_map_eq): Rename to ...
2080 (tree_map_base_eq): ... this.
2081 (tree_map_marked_p): Rename to ...
2082 (tree_map_base_marked_p): ... this.
2083 (tree_map_base_hash): New function.
2084 (decl_init_priority_lookup): Rework.
2085 (decl_fini_priority_lookup): New function.
2086 (decl_priority_info): New function.
2087 (decl_init_priority_insert): Use it.
2088 (decl_fini_priority_insert): Likewise.
2089 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
2091 (decl_restrict_base_insert): Likewise.
2092 (decl_debug_expr_insert): Likewise.
2093 (decl_value_expr_lookup): Likewise.
2094 (decl_value_expr_insert): Likewise.
2095 * tree.h (priority_type): New type.
2096 (decl_init_priority_lookup): Use priority_type.
2097 (decl_fini_priority_lookup): New function.
2098 (decl_init_priority_insert): Use priority_type.
2099 (decl_fini_priority_insert): New function.
2100 (DECL_HAS_INIT_PRIORITY): Tweak comments.
2101 (DECL_INIT_PRIORITY): Likewise.
2102 (SET_DECL_INIT_PRIORITY): Add comment.
2103 (DECL_FINI_PRIORITY): New macro.
2104 (SET_DECL_FINI_PRIORITY): Likewise.
2105 (DEFAULT_INIT_PRIORITY): Document.
2106 (MAX_INIT_PRIORITY): Likewise.
2107 (MAX_RESERVED_INIT_PRIORITY): Likewise.
2108 (tree_map_base): New type.
2109 (tree_map_base_eq): New function.
2110 (tree_map_base_hash): Likewise.
2111 (tree_map_base_marked_p): Likewise.
2112 (tree_map): Inherit from tree_map_base.
2113 (tree_map_eq): Make it a macro.
2114 (tree_map_marked_p): Likewise.
2115 (tree_int_map): Inherit from tree_map_base.
2116 (tree_int_map_eq): Make it a macro.
2117 (tree_int_map_hash): Likewise.
2118 (tree_int_map_marked_p): Likewise.
2119 (tree_priority_map): New type.
2120 (tree_priority_map_eq): New macro.
2121 (tree_priority_map_hash): Likewise.
2122 (tree_priority_map_marked_p): Likewise.
2123 * varasm.c (emults_decl): Adjust for refactoring of tree_map
2125 (emutls_common_1): Likewise.
2126 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
2127 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
2128 of tree_map hierarchy.
2129 * tree-cfg.c (move_stmt_r): Likewise.
2130 (new_label_mapper): Likewise.
2131 * c-tree.h (c_expand_body): Move to ...
2132 * c-common.h (c_expand_body): ... here.
2133 * c-decl.c (c_expand_body): Move to ...
2134 * c-common.c (c_expand_body): ... here.
2135 (c_common_attribute_table): Allow 1 argument for the constructor
2136 and destructor attributes.
2137 (get_priority): New function.
2138 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
2139 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
2141 2007-02-24 Jan Hubicka <jh@suse.cz>
2144 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
2146 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
2147 Jan Hubicka <jh@suse.cz>
2150 * i386.c (counter_mode): New function.
2151 (expand_set_or_movmem_via_loop): Use it.
2152 (expand_movmem_epilogue): Likewise; fix pasto.
2153 (ix86_expand_movmem): Do emit guard even for constant counts.
2154 (ix86_expand_setmem): Likewise.
2156 2007-02-25 Nick Clifton <nickc@redhat.com>
2158 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
2159 (JUMP_TABLES_IN_TEXT_SECTION): Define.
2161 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
2164 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
2165 count argument with 0x10, not with 0x16.
2166 (expand_setmem_epilogue): Ditto.
2168 2007-02-24 Mike Stump <mrs@apple.com>
2170 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
2173 2007-02-24 Richard Guenther <rguenther@suse.de>
2176 * fold-const.c (fold_binary): Fold x +- CST op x for
2177 EQ_EXPR and NE_EXPR.
2179 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2181 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
2183 2007-02-24 Jan Hubicka <jh@suse.cz>
2185 * cgraphunit.c (decide_is_function_needed): Honor
2186 -fkeep-inline-functions.
2188 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2190 * builtins.c (fold_builtin_modf): New.
2191 (fold_builtin_2): Use it.
2193 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
2195 * loop-iv.c (implies_p): Detect additional cases where A implies B.
2196 (determine_max_iter): Take additional LOOP arg; all callers changed.
2197 Lose broken logic dealing with PLUS. Try to limit the upper bound by
2198 one using simplifications.
2199 (simplify_using_initial_values): Return if the expression becomes
2200 invalid due to altered regs.
2202 2007-02-23 DJ Delorie <dj@redhat.com>
2204 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
2206 2007-02-23 Mike Stump <mrs@apple.com>
2208 * tlink.c (scan_linker_output): Parse linker messages from
2209 darwin9's linker better.
2211 2007-02-23 Steve Ellcey <sje@cup.hp.com>
2214 * varpool.c (varpool_assemble_pending_decls): Set
2215 varpool_last_needed_node to null.
2217 2007-02-23 DJ Delorie <dj@redhat.com>
2219 * config/i386/i386.c (ix86_data_alignment): Don't specify an
2220 alignment bigger than the object file can handle.
2222 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
2225 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
2226 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
2227 (*movsf_1): Penalize MMX moves.
2229 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
2231 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
2232 2^32-1 or more times unless flag_unsafe_loop_optimizations.
2234 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
2236 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2238 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
2239 (fold_builtin_1): Use them.
2240 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2241 BUILT_IN_SIGNIFICAND.
2243 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
2245 * config/i386/i386.c (bdesc_1arg): Initialize
2246 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
2247 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
2248 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
2249 and IX86_BUILTIN_MOVSLDUP.
2251 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
2253 PR rtl-optimization/30841
2254 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
2256 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2258 * builtins.c (fold_builtin_frexp): New.
2259 (fold_builtin_2): Use it.
2261 2007-02-22 Mark Mitchell <mark@codesourcery.com>
2263 * doc/invoke.texi (Spec Files): Document getenv spec function.
2265 * gcc.c (getenv_spec_function): New function.
2266 (static_spec_functions): Add it.
2267 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
2268 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
2271 2007-02-22 Michael Matz <matz@suse.de
2274 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
2275 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
2277 2007-02-22 Ian Lance Taylor <iant@google.com>
2280 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
2281 (mem_loc_descriptor): Call it.
2283 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
2284 Ira Rosen <irar@il.ibm.com>
2286 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
2288 2007-02-22 Ira Rosen <irar@il.ibm.com>
2290 PR tree-optimization/30843
2291 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
2292 stores only after all the group is vectorized.
2294 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
2296 PR tree-optimization/30858
2297 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
2298 in the reduction cycle have a single use in the loop.
2299 * tree-vectorizer.h (relevant): Add documentation.
2301 2007-02-20 Mike Stump <mrs@apple.com>
2303 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
2304 * configure: Regenerate.
2306 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2308 Change the defaults of some parameters and options.
2309 * config/spu/spu-protos.h (spu_optimization_options): Declare.
2310 * config/spu/spu.c (spu_optimization_options): Add.
2311 (spu_override_options): Change params in spu_optimization_options.
2312 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
2314 Register 127 is only 16 byte aligned when used as a frame pointer.
2315 * config/spu/spu-protos.h (spu_init_expanders): Declare.
2316 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
2317 HARD_FRAME_POINTER_REGNUM.
2318 (spu_legitimate_address): Use regno_aligned_for_reload.
2319 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
2320 aligned when frame_pointer_needed is true.
2321 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
2323 * config/spu/spu.h (INIT_EXPANDERS): Define.
2325 Make sure shift and rotate instructions have valid immediate operands.
2326 * config/spu/predicates.md (spu_shift_operand): Remove.
2327 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
2328 * config/spu/constraints.md (W, O): Extend range.
2329 * config/spu/spu.md (umask, nmask): Define.
2330 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
2331 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
2332 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
2333 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
2334 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
2335 (lshr<mode>3_reg): Fix rtl description.
2337 Make sure mulhisi immediate operands are valid.
2338 * config/spu/predicates.md (imm_K_operand): Add.
2339 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
2341 Generate constants using fsmbi and andi.
2342 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
2343 (print_operand, spu_split_immediate, classify_immediate,
2344 fsmbi_const_p): Handle IC_FSMBI2.
2346 Correctly handle a CONST_VECTOR containing symbols.
2347 * config/spu/spu.c (print_operand): Handle HIGH correctly.
2348 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
2349 (immediate_load_p): Allow symbols that use 2 instructions to create.
2350 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
2351 with symbols when flag_pic is set.
2352 (const_vector_immediate_p): New.
2353 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
2354 accept a CONST_VECTOR with symbols.
2355 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
2356 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
2358 * config/spu/spu.md (high, low): Delete.
2359 (low_<mode>): Define.
2361 Remove INTRmode and INTR_REGNUM, which didn't work.
2362 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
2364 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
2365 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
2366 peephole2 pattern): Don't use INTR or 131.
2367 (movintrcc): Delete.
2368 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
2369 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
2370 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
2371 (UNSPEC_SET_INTR): Add.
2372 * config/spu/spu-modes.def (INTR): Remove.
2374 More accurate warnings about run-time relocations.
2375 * config/spu/spu.c (reloc_diagnostic): Test in_section.
2377 Correctly warn about immediate arguments to specific intrinsics.
2378 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
2379 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
2380 the instruction predicate.
2382 Fix tree check errors with latest update.
2383 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
2385 (spu_expand_builtin): Use CALL_EXPR_FN.
2387 Add missing specific intrinsics.
2388 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
2390 * config/spu/spu_internals.h: Ditto.
2392 Fix incorrect operand modifiers.
2393 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
2394 * config/spu/spu.md (xor<mode>3): Change %S to %J.
2396 Optimize one case of zero_extend of a vec_select.
2397 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
2399 Accept any immediate for hbr.
2400 * config/spu/spu.md (hbr): Change s constraints to i.
2402 2007-02-21 Paul Brook <paul@codesourcery.com>
2404 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
2405 condexec_count when skipping USE and CLOBBER.
2407 2007-02-21 Nick Clifton <nickc@redhat.com>
2409 * common.opt (Warray-bounds): Add Warning attribute.
2410 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
2412 (fsized-zeroes): Add Optimization attribute.
2413 (fsplit-wide-types, ftree-scev-cprop): Likewise.
2414 * c.opt (Wc++0x-compat): Add Warning attribute.
2416 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
2419 * reload1.c (eliminate_regs_in_insn): In the single_set special
2420 case, attempt to re-recognize the insn before falling back to
2421 having reload fix it up.
2423 2007-02-20 Eric Christopher <echristo@gmail.com>
2425 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
2426 Rewrite accordingly.
2427 (frv_read_iacc_argument): Ditto.
2428 (frv_expand_set_builtin): Take a call instead of arglist, update for
2430 (frv_expand_unop_builtin): Ditto.
2431 (frv_expand_binop_builtin): Ditto.
2432 (frv_expand_cut_builtin): Ditto.
2433 (frv_expand_binopimm_builtin): Ditto.
2434 (frv_expand_voidbinop_builtin): Ditto.
2435 (frv_expand_int_void2arg): Ditto.
2436 (frv_expand_prefetches): Ditto.
2437 (frv_expand_voidtriop_builtin): Ditto.
2438 (frv_expand_voidaccop_builtin): Ditto.
2439 (frv_expand_load_builtin): Ditto.
2440 (frv_expand_store_builtin): Ditto.
2441 (frv_expand_mdpackh_builtin): Ditto.
2442 (frv_expand_mclracc_builtin): Ditto.
2443 (frv_expand_mrdacc_builtin): Ditto.
2444 (frv_expand_mwtacc_builtin): Ditto.
2445 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
2448 2007-02-20 Janis Johnson <janis187@us.ibm.com>
2450 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
2451 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
2453 (HAVE_GAS_DFP): Check for assembler support of decimal floating
2455 * configure: Regenerate.
2456 * config.in: Regenerate.
2457 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
2458 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
2459 masks to power6 and power6x and to POWERPC_MASKS.
2460 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2462 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
2463 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
2464 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2465 Access PROTOTYPE as variable, not mask.
2467 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
2469 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
2470 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
2471 * combine.c (adjust_for_new_dest): Use it.
2472 * postreload.c (reload_combine): Likewise.
2474 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
2476 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
2477 notes on an insn with multiple sets, even if single_set returns
2478 non-NULL for that insn.
2480 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2482 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
2485 2007-02-20 Geoffrey Keating <geoffk@apple.com>
2487 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
2488 if user didn't pass it.
2489 * config/i386/darwin.h (CC1_SPEC): Likewise.
2490 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
2491 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
2492 -mmacosx-version-min.
2494 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2495 Uros Bizjak <ubizjak@gmail.com>
2497 * optabs.h (enum optab_index): Add new OTI_scalb.
2498 (scalb_optab): Define corresponding macro.
2499 * optabs.c (init_optabs): Initialize scalb_optab.
2500 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
2502 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
2503 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
2504 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
2505 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
2506 flag_unsafe_math_optimizations is set.
2508 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
2509 to implement scalbf, scalb and scalbl built-ins as inline x87
2512 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2513 DJ Delorie <dj@redhat.com>
2516 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
2517 (diagnostic_report_diagnostic): ... here, and turn them into real
2518 errors. If warnings are inhibited, no need to do anything.
2520 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
2522 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
2523 better code generation.
2525 2007-02-20 Ben Elliston <bje@au.ibm.com>
2527 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
2529 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
2531 * config/alpha/alpha.c, config/alpha/alpha.md,
2532 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
2533 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
2534 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
2535 config/arm/lib1funcs.asm: Follow spelling conventions.
2537 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
2538 config/fr30/fr30.md, config/i386/i386.h,
2539 config/iq2000/iq2000.h, config/iq2000/predicates.md,
2540 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
2541 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
2542 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
2543 config/rs6000/altivec.md, config/rs6000/rs6000.c,
2544 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
2545 config/sparc/sparc.c, config/sparc/sparc.h,
2546 config/sparc/sparc.md, config/spu/constraints.md,
2547 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
2550 2007-02-20 Alan Modra <amodra@bigpond.net.au>
2553 * varasm.c (use_blocks_for_decl_p): Return false for decls with
2556 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
2558 * doc/invoke.texi (-ftree-lrs): Remove.
2560 2007-02-19 Diego Novillo <dnovillo@redhat.com>
2562 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
2565 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
2567 * config/ia64/ia64.c (ia64_expand_builtin): Use the
2568 new CALL_EXPR_FN macro for retrieving the function
2569 declaration of the input expression.
2571 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2573 * c.opt (Waddress): New.
2574 * common.opt (Walways-true): Delete.
2575 (Wstring-literal-comparison): Delete.
2576 * doc/invoke.texi (Warning Options): Delete -Walways-true and
2577 -Wstring-literal-comparison. Add -Waddress.
2579 (Walways-true): Delete.
2580 (Wstring-literal-comparison): Delete.
2581 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
2582 consistently instead of -Walways-true in example.
2583 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
2584 * c-typeck.c (parser_build_binary_op): Replace
2585 -Wstring-literal-comparison and -Walways-true with -Waddress.
2586 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
2589 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
2591 * tree-cfg.c (dump_function_to_file): Be prepared for functions
2592 without DECL_STRUCT_FUNCTION initialized.
2594 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
2596 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
2597 due to calls to functions taking pointers as parameters.
2599 2007-02-19 Richard Henderson <rth@redhat.com>
2602 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
2605 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
2607 * config/s390/s390.c (s390_call_saved_register_used,
2608 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
2609 accessed to the new scheme.
2611 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2613 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
2614 (cris_print_index, cris_print_operand, cris_print_operand_address)
2615 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
2616 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
2617 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
2619 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
2620 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
2621 GO_IF_LEGITIMATE_ADDRESS): Ditto.
2622 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
2623 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
2624 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
2625 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
2626 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
2627 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
2628 (uminsi3, call, call_value): Ditto.
2629 (define_split: indir_to_reg_split, unnamed): Ditto.
2631 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
2633 PR tree-optimization/30975
2634 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
2637 2007-02-18 Eric Christopher <echristo@gmail.com>
2639 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
2640 Remove use of arglist.
2641 (mips_expand_builtin): Remove use of arglist, pass in expr.
2642 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
2643 (mips_expand_builtin_movtf): Ditto.
2644 (mips_expand_builtin_compare): Ditto.
2646 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
2648 * tree-sra.c (sra_build_assignment): Replace assertion
2649 checking with a comment explaining why it can't be done.
2651 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
2654 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
2655 during CALL_EXPR representation conversion.
2656 * tree-ssa-propagate.c (set_rhs): Likewise.
2658 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
2660 * tree-sra.c (sra_build_assignment): Disable assertion checking
2663 2007-02-18 Roger Sayle <roger@eyesopen.com>
2665 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
2666 instead of calling build2 with a GIMPLE_MODIFY_STMT.
2667 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
2669 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
2670 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
2671 gimplify_init_ctor_eval_range, gimple_push_cleanup,
2672 gimplify_omp_for, gimplify_omp_atomic_pipeline,
2673 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
2674 force_gimple_operand): Likewise.
2675 * ipa-cp.c (constant_val_insert): Likewise.
2676 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2677 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
2678 perfect_nestify): Likewise.
2679 * langhooks.c (lhd_omp_assignment): Likewise.
2680 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
2681 lower_copyprivate_clauses, lower_send_clauses,
2682 lower_send_shared_vars, expand_parallel_call,
2683 expand_omp_for_generic, expand_omp_for_static_nochunk,
2684 expand_omp_for_static_chunk, expand_omp_sections,
2685 lower_omp_single_copy, lower_omp_for_lastprivate,
2686 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
2687 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
2688 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
2691 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
2693 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
2694 config/sh/sh.md: Follow spelling conventions.
2696 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
2697 config/frv/predicates.md: Follow spelling conventions.
2699 * config/m68k/linux-unwind.h: Fix a comment typo.
2700 * target.h: Follow spelling conventions.
2702 2007-02-18 Roger Sayle <roger@eyesopen.com>
2704 PR rtl-optimization/28173
2705 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
2706 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
2707 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
2708 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
2709 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
2711 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2713 * builtins.c (fold_builtin_load_exponent): New.
2714 (fold_builtin_2): Use it.
2716 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
2718 PR rtl-optimization/30773
2719 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
2720 if we fail to attach a REG_EQUIV note.
2722 2007-02-18 David Edelsohn <edelsohn@gnu.org>
2723 Roger Sayle <roger@eyesopen.com>
2725 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
2727 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
2729 * calls.c (initialize_argument_information): Pass original EXP
2730 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
2731 code to split complex arguments here, as part of initializing the
2733 (expand_call): Remove code that builds a list of arguments and
2734 inserts implicit arguments into it. Instead, just count how many
2735 implicit arguments there will be so we can determine the size of
2736 the ARGS array, and let initialize_argument_information do the work.
2737 (split_complex_values): Delete unused function.
2739 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
2741 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
2743 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
2745 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
2746 for arg pointer based indexed addressing.
2748 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
2750 * config/ia64/ia64.h, config/ia64/ia64.md,
2751 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
2752 spelling conventions.
2754 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
2756 * config/m68k/m68k.c (split_di): New.
2757 * config/m68k/m68k-protos.h: Declare split_di.
2758 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
2759 Improve predicate handling and split constant shifts.
2761 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
2763 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
2764 parameter for register bitfield operations, general predicates
2767 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
2769 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
2770 * config/m68k/linux-unwind.h: New file.
2772 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
2774 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
2775 config/i386/athlon.md, config/ia64/ia64.md,
2776 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
2777 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
2778 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
2779 tree-ssa-loop-niter.c, tree-vect-analyze.c,
2780 tree-vect-transform.c: Fix comment typos.
2782 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
2784 * sched-deps.c (find_insn_list): Remove.
2785 * sched-int.h: Remove the prototype for find_insn_list.
2787 2007-02-16 Geoffrey Keating <geoffk@apple.com>
2789 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
2791 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
2792 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
2793 darwin_rs6000_override_options.
2794 (C_COMMON_OVERRIDE_OPTIONS): Expect
2795 darwin_macosx_version_min to be non-NULL always.
2796 (TARGET_C99_FUNCTIONS): Likewise.
2797 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
2798 (DARWIN_MINVERSION_SPEC): New.
2799 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
2800 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
2802 (DARWIN_MINVERSION_SPEC): New.
2803 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
2805 * config/darwin-c.c (darwin_cpp_builtins): Expect
2806 darwin_macosx_version_min to be non-NULL always.
2808 * config/rs6000/rs6000.c: Clean up trailing whitespace.
2810 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
2812 * config/i386/i386.h (x86_use_xchgb): New.
2813 (TARGET_USE_XCHGB): New macro.
2814 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
2815 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
2816 Split after reload into bswaphi for shifts of 8.
2817 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
2818 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
2819 or when optimizing for size.
2821 2007-02-16 Richard Guenther <rguenther@suse.de>
2822 Christian Bruel <christian.bruel@st.com>
2824 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
2825 DECLs but prefer SSA_NAMEs over DECLs.
2827 2007-02-16 Richard Guenther <rguenther@suse.de>
2829 * tree-flow-inline.h (single_imm_use_p): Remove.
2830 (zero_imm_uses_p): Likewise.
2831 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
2832 instead of single_imm_use_p.
2833 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
2836 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2839 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
2840 nested double- and backquotes.
2842 2007-02-15 Roger Sayle <roger@eyesopen.com>
2845 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
2846 should be unreachable.
2847 (build2_stat): Allow construction of MODIFY_EXPR at any time.
2848 For the time being redirect GIMPLE_MODIFY_STMT to the new
2849 (renamed) build_gimple_modify_stmt_stat.
2850 (build2_gimple_stat): Rename to...
2851 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
2852 Always build a GIMPLE_MODIFY_STMT node.
2853 * tree.h (build2_gimple, build2_gimple_stat): Delete.
2854 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
2857 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
2858 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
2859 * tree-complex.c (set_component_ssa_name, expand_complex_move,
2860 expand_complex_div_wide): Likewise.
2861 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
2862 * tree-ssa-loop-im.c (schedule_sm): Likewise.
2863 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
2864 * tree-ssa-loop-manip.c (create_iv): Likewise.
2865 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
2866 abs_replacement): Likewise.
2867 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
2868 realify_fake_stores): Likewise.
2870 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
2871 node rather than a GIMPLE_MODIFY_STMT node.
2872 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
2873 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
2875 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
2876 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
2879 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2882 * fold-const.c (fold_comparison): Add back the
2883 folding of constant complex comparisions.
2885 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2888 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
2889 effects unknown to this function, return early.
2891 2007-02-15 Ian Lance Taylor <iant@google.com>
2893 * lower-subreg.c (move_eh_region_note): New static function.
2894 (resolve_simple_move): Call it.
2895 (decompose_multiword_subregs): Track blocks for which we resolve a
2896 simple move which is also a control flow insn. Pass them to
2897 find_many_sub_basic_blocks.
2898 (pass_lower_subreg): Add TODO_verify_flow.
2899 (pass_lower_subreg2): Likewise.
2901 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
2902 Brooks Moses <brooks.moses@codesourcery.com>
2903 Lee Millward <lee.millward@codesourcery.com>
2905 * tree.h (enum tree_code_class): Add tcc_vl_exp.
2906 (VL_EXP_CLASS_P): New.
2907 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
2909 (TREE_OPERAND_CHECK_CODE): Likewise.
2910 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
2911 (TREE_RTL_OPERAND_CHECK): Likewise.
2912 (tree_operand_check_failed): Make second parameter the whole tree
2913 instead of its code. Fixed callers.
2914 (VL_EXP_CHECK): New.
2915 (TREE_OPERAND_LENGTH): New.
2916 (VL_EXP_OPERAND_LENGTH): New.
2917 (CALL_EXPR_FN): New.
2918 (CALL_EXPR_STATIC_CHAIN): New.
2919 (CALL_EXPR_ARGS): New.
2920 (CALL_EXPR_ARG): New.
2921 (call_expr_nargs): New.
2922 (CALL_EXPR_ARGP): New.
2923 (build_nt_call_list): Declare.
2924 (build_vl_exp_stat): Declare.
2925 (build_vl_exp): New.
2926 (build_call_list): Declare.
2927 (build_call_nary): Declare.
2928 (build_call_valist): Declare.
2929 (build_call_array): Declare.
2930 (call_expr_arg): Declare.
2931 (call_expr_argp): Declare.
2932 (call_expr_arglist): Declare.
2933 (fold_build_call_list): Declare.
2934 (fold_build_call_list_initializer): Declare.
2935 (fold_call_expr): Declare to replace fold_builtin.
2936 (fold_builtin_fputs): Update to agree with modified definition.
2937 (fold_builtin_strcpy): Likewise.
2938 (fold_builtin_strncpy): Likewise.
2939 (fold_builtin_memory_chk): Likewise.
2940 (fold_builtin_stxcpy_chk): Likewise.
2941 (fold_builtin_strncpy_chk): Likewise.
2942 (fold_builtin_next_arg): Likewise.
2943 (fold_build_call_expr): Declare.
2944 (fold_builtin_call_list): Declare.
2945 (fold_builtin_call_valist): Declare.
2946 (build_call_expr): Declare.
2947 (validate_arglist): Update to agree with modified definition.
2948 (tree_operand_length): New.
2949 (call_expr_arg_iterator): New.
2950 (init_call_expr_arg_iterator): New.
2951 (next_call_expr_arg): New.
2952 (first_call_expr_arg): New.
2953 (more_call_expr_args_p): New.
2954 (FOR_EACH_CALL_EXPR_ARG): New.
2956 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
2957 and tcc_gimple_stmt.
2958 (tree_code_size): Update documentation. Use sizeof (tree) rather
2959 than sizeof (char *).
2960 (tree_size): Likewise. Add case for tcc_vl_exp.
2961 (tree_node_structure): Add case for tcc_vl_exp.
2962 (contains_placeholder_p): Likewise.
2963 (substitute_in_expr): Likewise.
2964 (substitute_placeholder_in_expr): Likewise.
2965 (stabilize_reference_1): Likewise.
2966 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
2967 to diagnose breakage of this interface for constructing CALL_EXPRs.
2968 (build_nt): Add similar assertion here.
2969 (build_nt_call_list): New.
2970 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
2971 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
2973 (get_callee_fndecl): Use new CALL_EXPR accessors.
2974 (tree_operand_check_failed): Change parameters to pass entire node
2975 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
2976 (process_call_operands): New.
2977 (build_vl_exp_stat): New.
2978 (build_call_list): New.
2979 (build_call_nary): New.
2980 (build_call_valist): New.
2981 (build_call_array): New.
2982 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2983 (call_expr_arglist): New.
2985 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
2986 tcc_vl_exp instead of a fixed-size tcc_expression.
2988 * doc/c-tree.texi (CALL_EXPR): Document new representation and
2989 accessors for CALL_EXPRs.
2990 (AGGR_INIT_EXPR): Likewise.
2992 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
2993 Brooks Moses <brooks.moses@codesourcery.com>
2994 Lee Millward <lee.millward@codesourcery.com>
2996 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
2997 (expand_builtin_nonlocal_goto): Change parameter to be entire
2998 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
2999 (expand_builtin_prefetch): Likewise.
3000 (expand_builtin_classify_type): Likewise.
3001 (mathfn_built_in): Return NULL_TREE instead of 0.
3002 (expand_errno_check): Use new CALL_EXPR accessors.
3003 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
3004 Return NULL_RTX instead of 0.
3005 (expand_builtin_mathfn_2): Likewise.
3006 (expand_builtin_mathfn_3): Likewise.
3007 (expand_builtin_interclass_mathfn): Likewise.
3008 (expand_builtin_sincos): Likewise.
3009 (expand_builtin_cexpi): Likewise.
3010 (expand_builtin_int_roundingfn): Likewise.
3011 (expand_builtin_int_roundingfn_2): Likewise.
3012 (expand_builtin_pow): Likewise.
3013 (expand_builtin_powi): Likewise.
3014 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
3015 of arglist, fixing callers appropriately. Use new CALL_EXPR
3016 accessors and constructors. Return NULL_RTX instead of 0.
3017 (expand_builtin_strstr): Likewise.
3018 (expand_builtin_strchr): Likewise.
3019 (expand_builtin_strrchr): Likewise.
3020 (expand_builtin_strpbrk): Likewise.
3021 (expand_builtin_memcpy): Likewise.
3022 (expand_builtin_mempcpy): Likewise.
3023 (expand_builtin_mempcpy_args): New.
3024 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
3025 (expand_builtin_memmove_args): New.
3026 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
3027 (expand_movstr): Likewise.
3028 (expand_builtin_strcpy): Likewise.
3029 (expand_builtin_strcpy_args): New.
3030 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
3031 (expand_builtin_strncpy): Likewise.
3032 (expand_builtin_memset): Likewise.
3033 (expand_builtin_memset_args): New.
3034 (expand_builtin_bzero): Similarly to expand_builtin_memset.
3035 (expand_builtin_memcmp): Likewise.
3036 (expand_builtin_strcmp): Likewise.
3037 (expand_builtin_strncmp): Likewise.
3038 (expand_builtin_strcat): Likewise.
3039 (expand_builtin_strncat): Likewise.
3040 (expand_builtin_strspn): Likewise.
3041 (expand_builtin_strcspn): Likewise.
3042 (expand_builtin_args_info): Likewise.
3043 (expand_builtin_va_start): Likewise.
3044 (gimplify_va_arg_expr): Likewise.
3045 (expand_builtin_va_end): Likewise.
3046 (expand_builtin_va_copy): Likewise.
3047 (expand_builtin_frame_address): Likewise.
3048 (expand_builtin_alloca): Likewise.
3049 (expand_builtin_bswap): Likewise.
3050 (expand_builtin_unop): Likewise.
3051 (expand_builtin_fputs): Likewise.
3052 (expand_builtin_expect): Likewise.
3053 (expand_builtin_fabs): Likewise.
3054 (expand_builtin_copysign): Likewise.
3055 (expand_builtin_printf): Likewise.
3056 (expand_builtin_fprintf): Likewise.
3057 (expand_builtin_sprintf): Likewise.
3058 (expand_builtin_init_trampoline): Likewise.
3059 (expand_builtin_signbit): Likewise.
3060 (expand_builtin_fork_or_exec): Likewise.
3061 (expand_builtin_sync_operation): Likewise.
3062 (expand_builtin_compare_and_swap): Likewise.
3063 (expand_builtin_lock_test_and_set): Likewise.
3064 (expand_builtin_lock_release): Likewise.
3065 (expand_builtin): Likewise.
3066 (builtin_mathfn_code): Likewise.
3068 (fold_builtin_constant_p): Pass call arguments individually instead
3069 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
3070 accessors and constructors. Return NULL_TREE instead of 0.
3071 (fold_builtin_expect): Likewise.
3072 (fold_builtin_classify_type): Likewise.
3073 (fold_builtin_strlen): Likewise.
3074 (fold_builtin_nan): Likewise.
3075 (integer_valued_real_p): Likewise.
3076 (fold_trunc_transparent_mathfn): Likewise.
3077 (fold_fixed_mathfn): Likewise.
3078 (fold_builtin_cabs): Likewise.
3079 (fold_builtin_sqrt): Likewise.
3080 (fold_builtin_cbrt): Likewise.
3081 (fold_builtin_cos): Likewise.
3082 (fold_builtin_cosh): Likewise.
3083 (fold_builtin_tan): Likewise.
3084 (fold_builtin_sincos): Likewise.
3085 (fold_builtin_cexp): Likewise.
3086 (fold_builtin_trunc): Likewise.
3087 (fold_builtin_floor): Likewise.
3088 (fold_builtin_ceil): Likewise.
3089 (fold_builtin_round): Likewise.
3090 (fold_builtin_int_roundingfn): Likewise.
3091 (fold_builtin_bitop): Likewise.
3092 (fold_builtin_bswap): Likewise.
3093 (fold_builtin_logarithm): Likewise.
3094 (fold_builtin_hypot): Likewise.
3095 (fold_builtin_pow): Likewise.
3096 (fold_builtin_powi): Likewise.
3097 (fold_builtin_exponent): Likewise.
3098 (fold_builtin_memset): Likewise.
3099 (fold_builtin_bzero): Likewise.
3100 (fold_builtin_memory_op): Likewise.
3101 (fold_builtin_bcopy): Deleted; call site changed to invoke
3102 fold_builtin_memory_op directly.
3103 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
3104 (fold_builtin_strncpy): Likewise.
3105 (fold_builtin_memcmp): Likewise.
3106 (fold_builtin_strcmp): Likewise.
3107 (fold_builtin_strncmp): Likewise.
3108 (fold_builtin_signbit): Likewise.
3109 (fold_builtin_copysign): Likewise.
3110 (fold_builtin_isascii): Likewise.
3111 (fold_builtin_toascii): Likewise.
3112 (fold_builtin_isdigit): Likewise.
3113 (fold_builtin_fabs): Likewise.
3114 (fold_builtin_abs): Likewise.
3115 (fold_builtin_fmin_fmax): Likewise.
3116 (fold_builtin_carg): Likewise.
3117 (fold_builtin_classify): Likewise.
3118 (fold_builtin_unordered_cmp): Likewise.
3120 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
3121 New functions split out from fold_builtin_1.
3122 (fold_builtin_n): New.
3123 (fold_builtin_varargs): New.
3124 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
3126 (fold_call_expr): New.
3127 (build_function_call_expr): Rewrite to use new helper function.
3128 (fold_builtin_call_list): New.
3129 (build_call_expr): New.
3130 (fold_builtin_call_valist): New.
3131 (rewrite_call_expr): New.
3132 (validate_arg): New.
3133 (validate_arglist): Change parameter to be entire CALL_EXPR instead
3134 of an arglist. Change return type to bool. Use new CALL_EXPR
3137 (fold_builtin_strstr): Pass call arguments individually instead
3138 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
3139 accessors and constructors. Return NULL_TREE instead of 0.
3140 (fold_builtin_strchr): Likewise.
3141 (fold_builtin_strrchr): Likewise.
3142 (fold_builtin_strpbrk): Likewise.
3143 (fold_builtin_strcat): Likewise.
3144 (fold_builtin_strncat): Likewise.
3145 (fold_builtin_strspn): Likewise.
3146 (fold_builtin_strcspn): Likewise.
3147 (fold_builtin_fputs): Likewise.
3148 (fold_builtin_next_arg): Likewise.
3149 (fold_builtin_sprintf): Likewise.
3151 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
3152 NULL_RTX instead of 0.
3153 (expand_builtin_memory_chk): Likewise.
3154 (maybe_emit_chk_warning): Likewise.
3155 (maybe_emit_sprintf_chk_warning): Likewise.
3157 (fold_builtin_object_size): Pass call arguments individually instead
3158 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
3159 accessors and constructors. Return NULL_TREE instead of 0.
3160 (fold_builtin_memory_chk): Likewise.
3161 (fold_builtin_stxcpy_chk): Likewise.
3162 (fold_builtin_strncpy_chk): Likewise.
3163 (fold_builtin_strcat_chk): Likewise.
3164 (fold_builtin_strcat_chk): Likewise.
3165 (fold_builtin_strncat_chk): Likewise.
3166 (fold_builtin_sprintf_chk): Likewise.
3167 (fold_builtin_snprintf_chk): Likewise.
3168 (fold_builtin_printf): Likewise.
3169 (fold_builtin_vprintf): Likewise.
3171 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
3173 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
3174 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3175 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
3176 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
3177 (fold_unary): Likewise.
3178 (fold_binary): Likewise.
3179 (fold_ternary): Remove CALL_EXPR case, since they are no longer
3180 ternary expressions.
3181 (fold): Add logic for tcc_vl_exp.
3182 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
3183 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3184 (fold_build3_stat): Add assertion to flag broken interface for
3185 constructing CALL_EXPRs.
3186 (fold_build_call_list): New.
3187 (fold_build_call_list_initializer): New.
3188 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
3190 (fold_strip_sign_ops): Likewise.
3192 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3193 Brooks Moses <brooks.moses@codesourcery.com>
3194 Lee Millward <lee.millward@codesourcery.com>
3196 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
3197 accessors and dump arguments explicitly.
3199 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
3201 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
3203 (print_call_name): Use new CALL_EXPR accessors.
3205 * print-tree.c (print_node): Add case tcc_vl_exp. Print
3206 CALL_EXPR arguments explicitly instead of as a list. Use
3207 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3209 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
3210 (vrp_visit_stmt): Likewise.
3212 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
3213 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
3215 (force_move_till_expr): Likewise.
3217 * targhooks.c (default_external_stack_protect_fail): Use
3218 build_call_expr instead of build_function_call_expr.
3219 (default_hidden_stack_protect_fail): Likewise.
3221 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
3224 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
3225 and walk arguments explicitly.
3227 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
3228 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3229 (expand_simple_operations): Likewise.
3230 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
3232 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
3233 of TREE_CODE_LENGTH.
3234 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
3236 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
3237 instead of TREE_CODE_LENGTH.
3239 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
3240 (tree_ic_transform): Likewise.
3241 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
3242 parameter instead of arglist. Fix callers.
3243 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
3244 (tree_stringops_transform): Likewise.
3245 (tree_indirect_call_to_profile): Likewise.
3246 (tree_stringops_values_to_profile): Likewise.
3248 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
3249 (eliminate_tail_call): Likewise.
3251 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
3253 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
3254 Use TREE_OPERAND_LENGTH and generalize to handle any number of
3256 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
3258 * omp-low.c (build_omp_barrier): Use build_call_expr.
3259 (lower_rec_input_clauses): Likewise.
3260 (lower_reduction_clauses): Likewise.
3261 (expand_parallel_call): Likewise.
3262 (maybe_catch_exception): Likewise.
3263 (expand_omp_for_generic): Likewise.
3264 (expand_omp_for_static_nochunk): Likewise.
3265 (expand_omp_sections): Likewise.
3266 (lower_omp_single_simple): Likewise.
3267 (lower_omp_single_copy): Likewise.
3268 (lower_omp_master): Likewise.
3269 (lower_omp_ordered): Likewise.
3270 (lower_omp_critical): Likewise.
3272 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
3273 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
3275 * tree-gimple.c (is_gimple_call_addr): Fix doc.
3276 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
3277 TREE_CODE_LENGTH. Add tcc_vl_exp case.
3279 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
3280 and generalize to handle any number of operands.
3281 (chrec_contains_undetermined): Likewise.
3282 (tree_contains_chrecs): Likewise.
3283 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
3285 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
3287 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
3288 fold_call_expr instead of fold_builtin.
3289 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
3290 match declarations there.
3291 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
3294 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
3295 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3297 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
3298 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
3300 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
3303 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
3304 (execute_cse_sincos): Use new CALL_EXPR accessors.
3306 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
3308 * gimple-low.c (lower_function_body): Use build_call_expr.
3309 (lower_builtin_setjmp): Likewise.
3311 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
3312 (set_storage_via_libcall): Likewise.
3313 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
3314 instead of TREE_CODE_LENGTH.
3315 (expand_expr_real_1): Use new CALL_EXPR accessors.
3317 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
3318 generalize to handle any number of operands.
3319 (TB_parent_eq): Likewise.
3321 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
3322 (strip_builtin_expect): Likewise.
3324 * function.c (gimplify_parameters): Use build_call_expr.
3326 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
3327 instead of TREE_CODE_LENGTH.
3329 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
3330 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
3332 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
3335 * gimplify.c (build_stack_save_restore): Use build_call_expr.
3336 (gimplify_decl_expr): Likewise.
3337 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
3338 Use new CALL_EXPR iterators.
3339 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
3340 (gimplify_modify_expr_to_memset): Likewise.
3341 (gimplify_variable_sized_compare): Likewise.
3342 (gimplify_omp_atomic_fetch_op): Likewise.
3343 (gimplify_omp_atomic_pipeline): Likewise.
3344 (gimplify_omp_atomic_mutex): Likewise.
3345 (gimplify_function_tree): Likewise.
3347 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
3348 (call_expr_flags): Likewise.
3349 (expand_call): Likewise.
3351 * except.c (expand_builtin_eh_return_data_regno): Pass entire
3352 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
3355 * coverage.c (create_coverage): Use build_call_expr.
3357 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
3358 (temp_call_expr_obstack): New.
3359 (pool_copy_list): Delete.
3360 (temp_copy_call_expr): New.
3361 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
3362 CALL_EXPR accessors. Get rid of special goo for copying argument
3363 lists and use temp_copy_call_expr instead.
3364 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
3365 CALL_EXPR accessors.
3366 (create_expression_by_pieces): Likewise. Use build_call_array
3367 to construct the result instead of fold_build3.
3368 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
3369 dealing with argument lists.
3370 (init_pre): Remove references to expression_node_pool and
3371 list_node_pool. Init temp_call_expr_obstack instead.
3372 (fini_pre): Remove references to expression_node_pool and
3375 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
3376 and walk arguments explicitly instead of as a list.
3378 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
3379 (mx_register_decls): Likewise.
3380 (mudflap_register_call): Likewise.
3381 (mudflap_finish_file): Likewise.
3383 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
3384 (ipa_callsite_compute_param): Likewise.
3386 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
3387 accessors and constructor.
3389 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
3390 accessors and constructor.
3391 (convert_tramp_reference): Likewise.
3392 (convert_call_expr): Likewise.
3393 (finalize_nesting_tree_1): Likewise.
3395 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
3398 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
3400 * tree-inline.c (initialize_inlined_parameters): Pass entire
3401 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
3403 (estimate_num_insns_1): Use new CALL_EXPR accessors.
3404 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
3406 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
3407 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3408 (vectorizable_reduction): Likewise.
3409 (vectorizable_call): Use new CALL_EXPR iterators.
3410 (vectorizable_conversion): Use build_call_expr.
3411 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
3412 (vect_gen_widened_results_half): Use build_call_expr.
3413 (vect_setup_realignment): Likewise.
3414 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
3416 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
3417 (pass_through_call): Likewise.
3418 (compute_object_sizes): Likewise. Use fold_call_expr instead of
3421 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
3422 (tree_gen_pow2_profiler): Likewise.
3423 (tree_gen_one_value_profiler): Likewise.
3424 (tree_gen_ic_func_profiler): Likewise.
3425 (tree_gen_average_profiler): Likewise.
3426 (tree_gen_ior_profiler): Likewise.
3428 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
3429 (find_func_aliases): Use new CALL_EXPR accessors. Add case
3430 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3432 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
3433 of TREE_CODE_LENGTH.
3435 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
3436 of TREE_CODE_LENGTH.
3438 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
3440 (convert_to_integer): Likewise.
3442 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
3445 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3446 Brooks Moses <brooks.moses@codesourcery.com>
3447 Lee Millward <lee.millward@codesourcery.com>
3449 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
3451 * config/frv/frv.c (frv_expand_builtin): Likewise.
3452 * config/s390/s390.c (s390_expand_builtin): Likewise.
3454 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
3455 (sparc_expand_builtin): Use new CALL_EXPR accessors.
3457 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
3458 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
3459 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
3460 (ix86_expand_store_builtin): Likewise.
3461 (ix86_expand_unop_builtin): Likewise.
3462 (ix86_expand_unop1_builtin): Likewise.
3463 (ix86_expand_sse_compare): Likewise.
3464 (ix86_expand_sse_comi): Likewise.
3465 (ix86_expand_vec_init_builtin): Likewise.
3466 (ix86_expand_vec_ext_builtin): Likewise.
3467 (ix86_expand_vec_set_builtin): Likewise.
3468 (ix86_expand_builtin): Use new CALL_EXPR accessors.
3470 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
3471 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
3473 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
3474 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
3475 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
3477 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
3479 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
3480 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
3481 arglist. Use new CALL_EXPR accessors. Fix callers.
3482 (altivec_expand_abs_builtin): Likewise.
3483 (rs6000_expand_binop_builtin): Likewise.
3484 (altivec_expand_predicate_builtin): Likewise.
3485 (altivec_expand_lv_builtin): Likewise.
3486 (spe_expand_stv_builtin): Likewise.
3487 (altivec_expand_stv_builtin): Likewise.
3488 (rs6000_expand_ternop_builtin): Likewise.
3489 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
3490 (altivec_expand_st_builtin): Likewise.
3491 (altivec_expand_dst_builtin): Likewise.
3492 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
3493 arglist. Use new CALL_EXPR accessors. Fix callers.
3494 (altivec_expand_vec_set_builtin): Likewise.
3495 (altivec_expand_vec_ext_builtin): Likewise.
3496 (altivec_expand_builtin): Use new CALL_EXPR accessors.
3497 (spe_expand_builtin): Likewise.
3498 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
3499 arglist. Use new CALL_EXPR accessors. Fix callers.
3500 (spe_expand_evsel_builtin): Likewise.
3501 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
3502 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
3504 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
3505 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
3506 (arm_expand_unop_builtin): Likewise.
3507 (arm_expand_builtin): Use new CALL_EXPR accessors.
3509 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
3512 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
3513 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
3514 (bfin_expand_unop_builtin): Likewise.
3515 (bfin_expand_builtin): Use new CALL_EXPR accessors.
3517 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3518 Brooks Moses <brooks.moses@codesourcery.com>
3519 Lee Millward <lee.millward@codesourcery.com>
3521 * c-semantics.c (build_stmt): Add internal diagnostic check.
3523 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
3524 accessors. Print arguments explicitly instead of as a list.
3526 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
3528 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
3529 (c_finish_omp_flish): Likewise.
3531 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
3532 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
3533 instead of TREE_CODE_LENGTH.
3534 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
3535 (c_warn_unused_result): Likewise.
3537 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3540 * doc/invoke.texi (Warning Options): Remove
3541 -Werror-implicit-function-declaration.
3542 (Wimplicit-function-declaration): Update description.
3543 * opts.c (common_handle_option): Move handling of -Werror=* to...
3544 (enable_warning_as_error): ...here.
3545 * opts.h (enable_warning_as_error): Declare.
3546 * c-decl.c (implicit_decl_warning): Unless
3547 -Wno-implicit-function-declaration is given, emit a pedwarn if
3548 -std=c99 or emit a warning if -Wimplicit-function-declaration.
3549 * c.opt (Wimplicit-function-declaration): Replace
3550 mesg_implicit_function_declaration with
3551 warn_implicit_function_declaration.
3552 * c-opts.c (c_common_handle_option):
3553 -Werror-implicit-function-declaration is exactly equal as
3554 -Werror=implicit-function-declaration.
3555 (set_Wimplicit): Replace mesg_implicit_function_declaration with
3556 warn_implicit_function_declaration.
3557 (c_common_post_options): -Wimplict-function-declaration is enabled
3558 by default by -std=c99, otherwise is disabled by default.
3559 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
3561 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
3563 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
3564 DECL on the rhs to a DECL on the lhs for debug info purposes if the
3565 former is ignored but not the latter.
3567 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
3569 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
3570 is made and the reference doesn't use the alias set of its type,
3571 do not create the temporary using that type.
3573 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
3575 * jump.c: Remove prototypes for delete_computation and
3576 delete_prior_computation.
3578 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
3580 * jump.c (get_label_after): Delete.
3581 (get_label_before, delete_computation, delete_jump,
3582 delete_prior_computation, follow_jumps): Move...
3583 * reorg.c (delete_computation, delete_prior_computation): ... here...
3584 (get_label_before, delete_jump): ... making these static ...
3585 (follow_jumps): ... and simplifying this since it only runs after
3587 * rtl.h (get_label_after, get_label_before, delete_jump,
3588 follow_jumps): Delete prototypes.
3590 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
3592 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
3594 2007-02-15 Nick Clifton <nickc@redhat.com>
3596 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
3597 order to prevent it from being munged by the target.
3599 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
3601 * config/i386/i386.md: Remove misleading comment.
3603 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3605 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
3606 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
3609 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3611 * tree-sra.c (instantiate_missing_elements): Canonicalize
3613 (sra_build_assignment): New.
3614 (generate_copy_inout, generate_element_copy,
3615 generate_element_zero, generate_one_element_init): Use it.
3617 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3619 * tree-sra.c (instantiate_missing_elements): Canonicalize
3621 (sra_build_assignment): New.
3622 (generate_copy_inout, generate_element_copy,
3623 generate_element_zero, generate_one_element_init): Use it.
3625 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3627 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
3630 2007-02-14 Joseph Myers <joseph@codesourcery.com>
3632 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
3633 types as aggregates not scalars.
3634 * function.c (assign_stack_temp_for_type): Likewise.
3636 2007-02-14 Roger Sayle <roger@eyesopen.com>
3637 Zdenek Dvorak <dvorakz@suse.cz>
3639 * tree-dump.c (dump_switch_p_1): Require exact match of the option
3642 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3644 * passes.c (next_pass_1): Clear the next field of the copied
3647 2007-02-14 Richard Henderson <rth@redhat.com>
3649 * tree-sra.c (early_sra): New.
3650 (decl_can_be_decomposed_p): Deny va_list if early_sra.
3651 (tree_sra_early, pass_sra_early): New.
3652 * tree-pass.h (pass_sra_early): Declare.
3653 * passes.c (init_optimization_passes): Use it.
3655 2007-02-14 Richard Guenther <rguenther@suse.de>
3657 * flags.h (issue_strict_overflow_warning): Convert to a macro.
3659 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
3661 PR tree-optimization/30771
3662 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
3664 (vect_analyze_operations): Induction phis can now be marked as
3666 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
3667 Update documentation accordingly.
3669 2007-02-14 Nick Clifton <nickc@redhat.com>
3671 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
3672 most 3 arguments are supported.
3673 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
3675 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
3677 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
3678 Ensure dst->current is valid.
3680 2007-02-13 Paul Brook <paul@codesourcery.com>
3682 * config.gcc: Add arm*-*-uclinux-*eabi.
3683 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
3684 (SUBTARGET_EXTRA_LINK_SPEC): Define.
3685 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
3686 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
3687 (LINK_SPEC): Define.
3689 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
3691 * config/arm/uclinux-eabi.h: New file.
3692 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
3693 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
3696 2007-02-13 Ian Lance Taylor <iant@google.com>
3698 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
3699 * flags.h (warn_strict_overflow): Declare.
3700 (enum warn_strict_overflow_code): Define.
3701 (issue_strict_overflow_warning): New static inline function.
3702 * opts.c (warn_strict_overflow): New variable.
3703 (common_handle_option): Handle OPT_Wstrict_overflow and
3704 OPT_Wstrict_overflow_.
3705 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
3707 * fold-const.c: Include intl.h.
3708 (fold_deferring_overflow_warnings): New static variable.
3709 (fold_deferred_overflow_warning): New static variable.
3710 (fold_deferred_overflow_code): New static variable.
3711 (fold_defer_overflow_warnings): New function.
3712 (fold_undefer_overflow_warnings): New function.
3713 (fold_undefer_and_ignore_overflow_warnings): New function.
3714 (fold_deferring_overflow_warnings_p): New function.
3715 (fold_overflow_warning): New static function.
3716 (make_range): Add strict_overflow_p parameter. Change all
3718 (extract_muldiv, extract_muldiv_1): Likewise.
3719 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
3720 tree_expr_nonnegative_p.
3721 (fold_negate_expr): Call fold_overflow_warning.
3722 (fold_range_test): Likewise.
3723 (fold_comparison): Likewise.
3724 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
3725 instead of tree_expr_nonnegative_p.
3726 (tree_expr_nonnegative_warnv_p): Rename from
3727 tree_expr_nonnegative_p, add strict_overflow_p parameter.
3728 (tree_expr_nonnegative_p): New function.
3729 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
3730 strict_overflow_p parameter.
3731 (tree_expr_nonzero_p): New function.
3732 * passes.c (verify_interpass_invariants): New static function.
3733 (execute_one_pass): Call it.
3734 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
3736 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
3737 (estimate_numbers_of_iterations): Likewise.
3738 (scev_probably_wraps_p): Likewise.
3739 * tree-ssa-ccp.c: Include "toplev.h".
3740 (evaluate_stmt): Defer fold overflow warnings until we know we are
3742 (struct fold_stmt_r_data): Add stmt field.
3743 (fold_stmt_r): Defer fold overflow warnings until we know we
3745 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
3746 (fold_stmt_inplace): Likewise.
3747 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
3748 (cleanup_control_expr_graph): Defer fold overflow warnings until
3749 we know we are going to optimize.
3750 * tree-cfg.c (fold_cond_expr_cond): Likewise.
3751 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
3753 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
3754 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
3755 * tree-ssa-loop-manip.c (create_iv): Likewise.
3756 * c-typeck.c (build_conditional_expr): Likewise.
3757 (build_binary_op): Likewise.
3758 * tree-vrp.c (vrp_expr_computes_nonzero): Call
3759 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
3760 (extract_range_from_unary_expr): Likewise.
3761 * simplify-rtx.c (simplify_const_relational_operation): Warn when
3762 assuming that signed overflow does not occur.
3763 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
3764 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
3765 (fold_defer_overflow_warnings): Declare.
3766 (fold_undefer_overflow_warnings): Declare.
3767 (fold_undefer_and_ignore_overflow_warnings): Declare.
3768 (fold_deferring_overflow_warnings_p): Declare.
3769 (tree_expr_nonzero_warnv_p): Declare.
3770 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
3772 (Warning Options): Document -Wstrict-overflow.
3773 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
3774 (tree-ssa-ccp.o): Likewise.
3775 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
3776 (fold-const.o): Depend on intl.h.
3778 2007-02-13 Ian Lance Taylor <iant@google.com>
3781 * lower-subreg.c (resolve_simple_move): Decompose subregs in
3784 2007-02-13 Stuart Hastings <stuart@apple.com>
3786 * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
3788 2007-02-13 Richard Henderson <rth@redhat.com>
3790 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
3791 handled_component_p before looking for the indirect_ref.
3793 2007-02-13 Richard Henderson <rth@redhat.com>
3795 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
3796 remove flags clobber.
3797 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
3798 (bswaphi_lowpart): New.
3799 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
3800 remove TARGET_BSWAP test. Delete expander of the same name.
3802 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
3803 (expand_unop): Use them.
3805 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
3807 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
3808 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
3809 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
3810 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
3811 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
3812 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
3813 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
3814 assembler dialect choice from asm templates.
3816 2007-02-12 Richard Henderson <rth@redhat.com>
3818 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
3819 (fixuns_trunc<SSEMODEF>si2): Use it.
3820 * config/i386/sse.md (vec_setv4sf_0): Export.
3821 * config/i386/i386.c (ix86_build_const_vector): Export.
3822 (ix86_split_convert_uns_si_sse): Rename from
3823 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
3824 * config/i386/i386-protos.h: Update.
3826 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3829 * c-typeck.c (c_finish_return): Improve warning message.
3831 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3833 * alias.c (find_symbolic_term): Delete unused function.
3835 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
3837 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
3838 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
3839 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
3841 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
3843 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
3844 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
3845 the function, temporarily point the debug interface to the null one.
3847 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
3849 * dwarf2out.c (round_up_to_align): New static function.
3850 (field_byte_offset): Use it to round the offset.
3852 2007-02-12 Richard Henderson <rth@redhat.com>
3854 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
3855 (inswl_const): Export.
3857 2007-02-12 Richard Henderson <rth@redhat.com>
3859 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
3860 result mode of the libcall, convert back to outmode.
3862 2007-02-12 Roger Sayle <roger@eyesopen.com>
3864 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
3865 (bswapdi2): New define_expand to implement 32-bit implementation.
3867 2007-02-12 Nick Clifton <nickc@redhat.com>
3869 * doc/invoke.texi (Overall Options): Document --help=.
3870 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
3871 (cc1_options): Pass --help= on to cc1.
3872 (display_help): Add description of --help=.
3873 (process_command): Add code to handle --help=. Allow translated
3874 --help and --target-help switches to be passed on to compiler
3876 (main): Remove unused if statement.
3877 * opts.c (columns): Remove.
3878 (LEFT_COLUMN): Define.
3879 (wrap_help): Add columns argument.
3880 (print_filtered_help): Change parameters to be an include bitmask,
3881 an exclude bitmask, an any bitmask and the column width. Move the
3882 code to display the params list here. Add code to display the
3883 status of options rather than their descriptions if the quiet flag
3885 (print_specific_help): Change parameters to be an include bitmask,
3886 an exclude bitmask and an any bitmask. Move code to look up the
3887 column width here. Decide upon the title for an options listing.
3888 (common_handle_options): Add code to handle --help=. Adapt code
3889 for --help and --target-help to use the revised form of the
3890 print_specific_help function.
3891 (print_help): Delete.
3892 (print_param_help): Delete.
3893 (print_switch): Delete.
3894 * opts.h (cl_lang_count): Add prototype.
3895 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
3896 CL_MAX_OPTION_CLASS): New defines.
3897 * optc-gen.awk: Add construction of cl_lang_count.
3898 * c.opt: Add Warning attribute to warning options and Optimization
3899 attribute to optimization options.
3900 * common.opt: Likewise.
3902 Add -fhelp and -ftarget-help as aliases for the transformed --help
3903 and --target-help options.
3904 * opt-functions.awk: Add code to handle Warning and Optimization
3907 2007-02-12 Richard Henderson <rth@redhat.com>
3909 * config/alpha/constraints.md: New file.
3910 * config/alpha/alpha.c: Include tm-constrs.h.
3911 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
3912 alpha_extra_constraint): Remove.
3913 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
3914 * config/alpha/alpha-protos.h: Update.
3915 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
3916 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
3917 (EXTRA_CONSTRAINT): Remove.
3918 * config/alpha/alpha.md: Include constraints.md.
3919 (adddi splitter): Use satisfies_constraint_*.
3920 * config/alpha/predicates.md (add_operand): Likewise.
3921 (sext_add_operand, addition_operation): Likewise.
3923 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
3925 PR tree-optimization/29145
3926 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
3927 in our handling of restrict qualified pointers.
3929 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3932 * doc/invoke.texi (Wunused-value): Update description.
3933 (Wextra): Delete item.
3934 * opts.c (set_Wextra): Don't use the value of Wextra to set the
3935 value of Wunused-value.
3936 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
3937 (c_finish_stmt_expr): Don't check extra_warnings.
3938 (emit_side_effect_warnings): The caller is responsible to check
3941 2007-02-11 Roger Sayle <roger@eyesopen.com>
3942 Matt Thomas <matt@3am-software.com>
3944 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
3946 2007-02-11 Roger Sayle <roger@eyesopen.com>
3948 * simplify-rtx.c (simplify_relational_operation_1): Optimize
3949 comparisons of POPCOUNT against zero.
3950 (simplify_const_relational_operation): Likewise.
3952 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3954 * doc/invoke.texi (Wextra): Delete outdated paragraph.
3956 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3958 * dwarf2out.c (root_type): Delete unused function.
3960 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3962 * genattrtab.c (contained_in_p): Delete unused function.
3963 (write_expr_attr_cache): Likewise.
3965 2007-02-11 Jan Hubicka <jh@suse.cz>
3967 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
3970 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
3972 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
3973 to add the REG_EQ* note.
3974 * see.c (see_merge_one_use_extension): Likewise.
3975 * local-alloc.c (update_equiv_regs): Likewise. Also don't
3976 turn REG_EQUAL notes into REG_EQUIV notes if the target
3977 register may have more than one set.
3978 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
3979 * gcse.c (try_replace_reg): Likewise.
3980 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
3981 * calls.c (fixup_tail_calls): Likewise. Abort if there is
3982 more than one REG_EQUIV note.
3983 * reload1.c (gen_reload): Use set_unique_reg_note.
3985 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
3987 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
3988 (ix86_builtin_conversion): New function.
3990 2007-02-06 Mark Mitchell <mark@codesourcery.com>
3993 * tree.h (DECL_REPLACEABLE_P): New macro.
3994 * except.c (set_nothrow_function_flags): Likewise.
3996 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
3997 Ira Rosen <irar@il.ibm.com>
3998 Dorit Nuzman <dorit@il.ibm.com>
4000 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
4001 * targhooks.c (default_builtin_vectorized_conversion): New.
4002 * targhooks.h (default_builtin_vectorized_function): New declaration.
4003 * target.h (struct vectorize): Add builtin_conversion field.
4004 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
4005 stmt_vec_info_type value.
4006 (vectorizable_conversion): New declaration.
4007 * tree-vect-analyze.c (vect_analyze_operations): Add
4008 vectorizable_conversion call.
4009 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
4010 * tree-vect-transform.c (vectorizable_conversion): New function.
4011 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
4012 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4014 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
4015 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
4016 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
4017 or ALTIVEC_BUILTIN_VCFSX.
4019 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4022 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
4023 CONST_DOUBLE and operand 0 is a hard register.
4024 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
4025 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
4026 is a hard floating-point register.
4028 2007-02-10 Richard Henderson <rth@redhat.com>
4029 Jakub Jelinek <jakub@redhat.com>
4030 Alexandre Oliva <aoliva@redhat.com>
4032 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
4033 * builtin-types.def (BT_WORD): Make unsigned.
4034 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4035 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4036 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4037 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4038 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4039 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4041 * expr.c (emutls_var_address): New.
4042 (expand_expr_real_1): Expand emulated tls.
4043 (expand_expr_addr_expr_1): Likewise.
4044 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4045 * output.h (emutls_finish): Declare.
4046 * toplev.c (compile_file): Call it.
4047 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4048 address before wrapping in CONST.
4049 * varasm.c (emutls_htab, emutls_object_type): New.
4050 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4051 (get_emutls_object_name, get_emutls_object_type): New.
4052 (get_emutls_init_templ_addr, emutls_decl): New.
4053 (emutls_common_1, emutls_finish): New.
4054 (assemble_variable): When emulating tls, swap decls; generate
4055 constructor for the emutls objects.
4056 (do_assemble_alias): When emulating tls, swap decl and target name.
4057 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4059 * varpool.c (decide_is_variable_needed): Look at force_output.
4060 Recurse for emulated tls.
4061 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
4062 with decide_is_variable_needed.
4063 * emutls.c: New file.
4064 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4065 tls_object for real tls.
4067 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
4069 PR rtl-optimization/29599
4070 * reload1.c (eliminate_regs_in_insn): Take the destination
4071 mode into account when computing the offset.
4073 2007-02-09 Stuart Hastings <stuart@apple.com>
4074 Richard Henderson <rth@redhat.com>
4076 * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
4077 * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
4078 * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
4079 fixuns_truncdfhi2): New.
4080 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
4081 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
4082 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
4083 (floatunssidf2): Allow nonimmediate source.
4084 * gcc/config/i386/sse.md (movdi_to_sse): New.
4085 (vec_concatv2di): Drop '*'.
4086 * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
4087 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
4088 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
4090 * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
4091 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
4092 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
4093 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
4094 (ix86_build_signbit_mask): Fix decl of v, refactor to call
4095 ix86_build_const_vector.
4096 (x86_emit_floatuns): Rewrite.
4098 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4100 * genautomata.c (longest_path_length): Delete unused function.
4101 (struct state): Delete unused longest_path_length.
4102 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
4103 (get_free_state): Delete unused.
4105 2007-02-09 Jan Hubicka <jh@suse.cz>
4107 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
4108 * doc/invoke.texi (inline-unit-growth): Update default value.
4110 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
4111 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
4112 (rebuild_cgraph_edges): Likewise.
4113 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
4114 (dump_cgraph_node): Dump frequencies.
4115 (cgraph_clone_edge): Add frequency scales.
4116 (cgraph_clone_node): Add freuqnecy.
4117 * cgraph.h (cgraph_edge): Add freuqnecy argument.
4118 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
4119 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
4120 * tree-pass.h (TODO_rebuild_frequencies): New constant.
4121 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
4122 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
4123 (save_inline_function_body): Likewise.
4124 * ipa-inline.c: inluce rtl.h
4125 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
4126 (cgraph_edge_badness): Use frequencies.
4127 (cgraph_decide_recursive_inlining): Update clonning.
4128 (cgraph_decide_inlining_of_small_function): Dump frequency.
4129 * predict.c (estimate_bb_frequencies): Export.
4130 * predict.h (estimate_bb_frequencies): Declare.
4131 * tree-inline.c (copy_bb): Watch overflows.
4132 (expand_call_inline): Update call of cgraph_create_edge.
4133 (optimize_inline_calls): Use TODO flags to update frequnecies.
4134 * passes.h: Include predict.h
4135 (init_optimization_passes): Move profile ahead.
4136 (execute_function_todo): Handle TODO_rebuild_frequencies.
4138 2007-02-09 Roger Sayle <roger@eyesopen.com>
4140 * config/alpha/alpha.c (emit_insxl): Force the first operand of
4141 the insbl or inswl pattern into a register.
4143 2007-02-09 Roger Sayle <roger@eyesopen.com>
4145 * config/ia64/ia64.md (bswapdi2): New define_insn.
4147 2007-02-09 Richard Henderson <rth@redhat.com>
4149 * config/i386/constraints.md (Ym): New constraint.
4150 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
4151 (movdi_1_rex64): Split sse and xmm general register moves from
4152 memory move alternatives. Use conditional register constraints.
4153 (movsf_1, movdf_integer): Likewise.
4154 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4155 (movdf_integer_rex64): New.
4156 (pushsf_rex64): Fix output constraints.
4157 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
4158 (sse2_stored): Likewise.
4159 (sse2_storeq_rex64): New.
4160 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
4161 amd and not generic.
4162 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
4163 for optimize_size. Remove SF/DFmode hack.
4165 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
4167 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
4170 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
4171 Richard Sandiford <richard@codesourcery.com>
4173 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
4174 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
4175 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
4176 m68k/t-mlib to tmake_file.
4177 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
4178 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
4179 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
4180 Allow it to be cf or m68k. Set m68k_arch_family. If that
4181 variable is not empty, add t-$m68k_arch_family to tmake_file.
4182 Add t-mlibs to tmake_file.
4183 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
4184 * config/m68k/t-cf: New file.
4185 * config/m68k/t-m68k: Likewise.
4186 * config/m68k/t-mlibs: Likewise.
4187 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4188 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4189 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
4190 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4191 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
4193 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
4194 (INSTALL_LIBGCC): Delete.
4195 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
4196 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4197 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4198 (M68K_MLIB_CPU): Define.
4199 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4200 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4201 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
4203 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4204 Richard Guenther <rguenther@suse.de>
4207 * fold-const.c (fold_comparison): Handle obfuscated comparisons
4208 against INT_MIN/INT_MAX.
4209 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
4210 file if a loop is removed.
4212 2007-02-09 Joseph Myers <joseph@codesourcery.com>
4214 * calls.c (store_one_arg): Pass correct alignment to
4215 emit_push_insn for non-BLKmode values.
4216 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
4217 unaligned stack slot via a suitably aligned slot.
4219 2007-02-08 DJ Delorie <dj@redhat.com>
4221 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
4223 (legal_subregs): Use unsigned char, make const.
4224 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
4226 2007-02-08 Paul Brook <paul@codesourcery.com>
4228 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
4229 special interworking needed.
4231 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
4233 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
4234 conditional to __SSE2__.
4235 (Entries below should have been added to first ChangeLog
4236 entry for amdfam10 dated 2007-02-05)
4237 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
4239 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
4241 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
4244 2007-02-08 DJ Delorie <dj@redhat.com>
4246 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
4247 * config/m32c/m32c.c (legal_subregs): New.
4248 (m32c_illegal_subreg_p): New.
4249 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
4250 unsupported subregs of hard regs.
4252 2007-02-08 Jan Hubicka <jh@suse.cz>
4254 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
4255 the same one; always update histograms.
4257 2007-02-08 Diego Novillo <dnovillo@redhat.com>
4259 * passes.c (init_optimization_passes): Tidy comment.
4261 2007-02-08 Roger Sayle <roger@eyesopen.com>
4263 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
4264 strip zero_extend, bswap and rotates from POCOUNT's argument.
4265 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
4266 zero_extend and rotates from PARITY's argument.
4267 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
4268 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
4269 of an integer constant at compile-time.
4271 2007-02-08 Diego Novillo <dnovillo@redhat.com>
4274 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
4276 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
4279 * tree-ssa-live.c (remove_unused_locals): Do not remove
4280 TREE_ADDRESSABLE variables.
4281 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
4282 * tree-ssa-operands.c (add_virtual_operand): Remove argument
4283 FOR_CLOBBER. Update all users.
4284 If VAR has an associated alias set, add a virtual operand for
4285 it if no alias is found to conflict with the memory reference.
4287 2007-02-07 Jan Hubicka <jh@suse.cz>
4288 Robert Kidd <rkidd@crhc.uiuc.edu>
4290 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
4292 2007-02-07 Ian Lance Taylor <iant@google.com>
4294 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
4296 2007-02-07 Roger Sayle <roger@eyesopen.com>
4298 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
4299 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
4300 tablejumpdi, movsi_to_cr_one): Remove constraints from
4301 define_expand's match_operands.
4303 2007-02-07 Roger Sayle <roger@eyesopen.com>
4305 * global.c (compute_regsets): Move declatation of "i" inside of
4306 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
4308 2007-02-07 Jakub Jelinek <jakub@redhat.com>
4311 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
4312 of INDIRECT_REF <RESULT_DECL>.
4314 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
4316 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
4317 Kaz Kojima <kkojima@gcc.gnu.org>
4320 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
4322 (sh_initialize_trampoline): Add parentheses to avoid a warning.
4324 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4326 * doc/loop.texi: Document possibility not to perform disambiguation
4327 of loops with multiple latches.
4328 * cfgloopmanip.c (alp_enum_p): Removed.
4329 (add_loop): Handle subloops. Use get_loop_body_with_size.
4330 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
4331 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
4332 the new forwarder block.
4333 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
4334 Handle the case latch is NULL.
4335 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
4336 when marking loop exits.
4337 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
4339 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
4340 disambiguate_loops_with_multiple_latches.
4341 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
4342 before fix_loop_structure.
4343 * cfgloop.c: Include pointer-set.h and output.h.
4344 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
4345 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
4346 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
4347 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
4348 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
4349 disambiguate_multiple_latches, get_loop_body_with_size,
4350 disambiguate_loops_with_multiple_latches): New functions.
4351 (flow_loop_dump): Dump multiple latch edges.
4352 (flow_loop_nodes_find): Handle loops with multiple latches.
4353 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
4354 (glb_enum_p): Modified.
4355 (get_loop_body): Use get_loop_body_with_size.
4356 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
4357 (AVOID_CFG_MODIFICATIONS): New constant.
4358 (disambiguate_loops_with_multiple_latches, add_loop,
4359 get_loop_body_with_size): Declare.
4360 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
4362 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
4365 * global.c (compute_regsets): New function.
4366 (global_alloc): Refactored ELIMINABLE_REGSET
4367 and NO_GLOBAL_ALLOC_REGS computation out.
4368 (rest_of_handle_global_alloc): Call compute_regsets()
4369 for non-optimizing case.
4371 2007-02-06 Richard Henderson <rth@redhat.com>
4373 * config/i386/constraints.md (Y2): Rename from Y.
4374 (Yi): New constraint.
4375 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
4376 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
4377 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
4378 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
4379 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
4380 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
4381 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
4382 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
4383 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
4384 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
4385 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
4386 vec_extractv2si_1): Change Y constraints to Y2.
4387 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
4388 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
4389 Change Y constraints to Y2.
4390 (sse2_loadld): Change Y constraints to x.
4392 2007-02-06 Roger Sayle <roger@eyesopen.com>
4394 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
4395 (parity<mode>2): New define_expand using rs6000_emit_parity.
4396 * config/rs6000/rs6000.c (rs6000_emit_popcount,
4397 rs6000_emit_parity): New functions.
4398 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
4399 rs6000_emit_parity): Prototype here.
4401 2007-02-06 Ian Lance Taylor <iant@google.com>
4403 * lower-subreg.c (simple_move_operand): Reject CONST.
4404 (resolve_clobber): Call validate_change rather than directly
4405 assigning to XEXP (pat, 0).
4407 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
4409 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
4410 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
4411 (tree-cfg.o): Remove hashtab.h dependency.
4413 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
4414 (struct ivopts_data): Change niters to pointer_map_t.
4415 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
4416 (niter_for_exit): Create pointer_map on demand. Change for
4418 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
4419 (free_loop_data): Destroy data->niters if created and reset field.
4420 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
4421 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
4423 * tree-ssa-reassoc.c: Include pointer-set.h.
4424 (bb_rank): Change to long *.
4425 (operand_rank): Change to pointer_map_t.
4426 (find_operand_rank): Return long, -1 if not found. Declare as inline.
4427 (insert_operand_rank): Accept long.
4428 (operand_entry_hash, operand_entry_eq): Remove.
4429 (get_rank): Return long. Adjust for changes above.
4430 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
4432 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
4434 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
4435 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
4436 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
4438 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
4439 directly since it cannot be NULL.
4440 (get_vi_for_tree): Rewrite for pointer_map API.
4441 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
4442 (init_alias_vars): Create vi_for_tree as pointer_map.
4443 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
4445 * tree-cfg.c: Don't include hashtab.h.
4446 (edge_to_cases): Declare as pointer_map.
4447 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
4449 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
4450 (start_recording_case_labels): Create edge_to_cases as pointer_map.
4451 (end_recoding_case_labels): Cleanup edge_to_cases manually before
4453 (record_switch_edge): Delete.
4454 (get_cases_for_edge): Adjust for pointer_map API, inline
4455 record_switch_edge (rewritten for new API), remove goto.
4457 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
4459 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
4460 * tree-nested.c: Include pointer-set.h.
4461 (var_map_elt, var_map_eq, var_map_hash): Delete.
4462 (struct nesting_info): Remove GTY marker. Change the two htab_t's
4464 (nesting_info_bitmap_obstack): New.
4465 (lookup_field_for_decl): Adjust for pointer_map API.
4466 (lookup_tramp_for_decl): Adjust for pointer_map API.
4467 (get_nonlocal_debug_decl): Adjust for pointer_map API.
4468 (get_local_debug_decl): Adjust for pointer_map API.
4469 (convert_nl_goto_reference): Adjust for pointer_map API.
4470 (convert_nl_goto_receiver): Adjust for pointer_map API.
4471 (create_nesting_tree): Create outside GGC space. Create bitmap on
4472 the new obstack. Create field_map and var_map as pointer_maps.
4473 (free_nesting_tree): Adjust for changes to create_nesting_tree.
4475 (lower_nested_functions): Move root here, no need to NULL it.
4476 Initialize and release the obstack.
4478 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
4480 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
4481 Remove prototypes and make them non-static.
4482 (struct tree_int_map): Remove.
4483 * tree.h (struct tree_int_map): Move here, turning TO into an
4485 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
4487 * tree.h (TREE_COMPLEXITY): Remove.
4488 (struct tree_exp): Remove complexity field.
4489 * tree.c (build1_stat): Don't set it.
4491 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
4492 Victor Kaplansky <victork@il.ibm.com>
4494 * tree-vectorizer.c (vect_is_simple_use): Support induction.
4495 (vect_is_simple_reduction): Support reduction with induction as
4496 one of the operands.
4497 (vect_is_simple_iv_evolution): Fix formatting.
4498 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
4499 formatting. Don't mark induction phis for vectorization.
4500 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
4501 * tree-vect-transform.c (get_initial_def_for_induction): New function.
4502 (vect_get_vec_def_for_operand): Support induction.
4503 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
4505 (vectorizable_reduction): Support reduction with induction as one of
4507 (vectorizable_type_demotion): Use def-type of stmt argument rather
4508 than dummy def-type.
4510 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
4511 flag_tree_scev_cprop.
4512 * common.opt (tree-scev-cprop): New flag.
4514 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
4515 call to vect_get_new_vect_var.
4517 2007-02-06 Ira Rosen <irar@il.ibm.com>
4519 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
4520 vectype is not NULL.
4521 (vect_pattern_recog_1): Likewise.
4523 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4525 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
4526 (fold_negate_expr): Likewise.
4528 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
4531 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
4532 even if cv-qualification is the same.
4534 2007-02-05 Geoffrey Keating <geoffk@apple.com>
4536 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
4537 __enable_execute_stack on completion.
4539 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4541 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
4542 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
4543 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
4544 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
4545 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
4546 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
4547 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
4548 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
4550 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4552 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
4553 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
4554 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
4555 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
4556 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
4557 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
4558 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
4559 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
4560 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
4561 umuldi3_highpart_rex64, umulsi3_highpart_insn,
4562 umulsi3_highpart_zext, smuldi3_highpart_rex64,
4563 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
4564 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
4565 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
4566 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
4567 sqrtextenddfxf2_i387): Added amdfam10_decode.
4569 * config/i386/athlon.md (athlon_idirect_amdfam10,
4570 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
4571 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
4572 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
4573 athlon_ivector_store_amdfam10): New define_insn_reservation.
4574 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
4577 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4579 * config/i386/athlon.md (athlon_call_amdfam10,
4580 athlon_pop_amdfam10, athlon_lea_amdfam10): New
4581 define_insn_reservation.
4582 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
4583 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
4584 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
4586 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4588 * config/i386/athlon.md (athlon_sseld_amdfam10,
4589 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
4590 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
4592 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4594 * config/i386/athlon.md (athlon_sseins_amdfam10): New
4595 define_insn_reservation.
4596 * config/i386/i386.md (sseins): Added sseins to define_attr type
4597 and define_attr unit.
4598 * config/i386/sse.md: Set type attribute to sseins for insertq
4601 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4603 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
4604 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
4605 ssecomi_load_amdfam10, ssecomi_amdfam10,
4606 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
4607 define_insn_reservation.
4608 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
4610 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4612 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
4613 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
4614 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
4615 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
4616 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
4617 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
4618 define_insn_reservation.
4620 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
4621 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
4622 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
4623 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
4624 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
4626 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4628 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
4629 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
4630 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
4631 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
4632 athlon_ssemul_load_k8): Added amdfam10.
4634 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4636 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
4637 (x86_sse_unaligned_move_optimal): New variable.
4639 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
4641 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
4642 for unaligned vector SSE double/single precision loads for AMDFAM10.
4644 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4646 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
4647 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
4648 Define TARGET_CPU_DEFAULT_amdfam10.
4649 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
4650 (processor_type): Add PROCESSOR_AMDFAM10.
4652 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
4653 processor_type in config/i386/i386.h.
4654 Enable imul peepholes for TARGET_AMDFAM10.
4656 * config.gcc: Add support for --with-cpu option for amdfam10.
4658 * config/i386/i386.c (amdfam10_cost): New variable.
4659 (m_AMDFAM10): New macro.
4660 (m_ATHLON_K8_AMDFAM10): New macro.
4661 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4662 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
4663 x86_promote_QImode, x86_integer_DFmode_moves,
4664 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4665 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
4666 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
4667 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
4668 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
4669 Enable/disable for amdfam10.
4670 (override_options): Add amdfam10_cost to processor_target_table.
4671 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
4672 processor_alias_table.
4673 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
4674 (ix86_adjust_cost): Add code for amdfam10.
4676 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4678 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
4679 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
4680 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
4681 * config/i386/i386.h: Add builtin definition for SSE4A.
4682 * config/i386/i386.md: Add support for ABM instructions
4684 * config/i386/sse.md: Add support for SSE4A instructions
4685 (movntss, movntsd, extrq, insertq).
4686 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
4687 Add -march=amdfam10 flag.
4688 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
4689 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
4691 * doc/extend.texi: Add documentation for SSE4A builtins.
4693 2007-02-05 Bob Wilson <bob.wilson@acm.org>
4695 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
4697 2007-02-05 Richard Guenther <rguenther@suse.de>
4699 * tree-vectorizer.h (vectorizable_function): Add argument type
4700 argument, change return type.
4701 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
4702 * tree-vect-transform.c (vectorizable_function): Handle extra
4703 argument, return vectorized function decl.
4704 (build_vectorized_function_call): Remove.
4705 (vectorizable_call): Handle calls with result and argument types
4706 differing. Handle loop vectorization factor correctly.
4707 * targhooks.c (default_builtin_vectorized_function): Adjust for
4709 * targhooks.h (default_builtin_vectorized_function): Likewise.
4710 * target.h (builtin_vectorized_function): Add argument type
4712 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
4713 extra argument, allow vectorizing of lrintf.
4714 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
4715 documentation of target hook.
4717 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
4720 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
4721 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
4722 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
4724 2007-02-05 Roger Sayle <roger@eyesopen.com>
4726 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
4727 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
4728 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
4729 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
4730 before canonicalizing sincos to cexpi.
4731 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
4733 2007-02-05 Roger Sayle <roger@eyesopen.com>
4735 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
4736 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
4737 (alpha_init_builtins): Use alpha_add_builtins to process tables.
4739 2007-02-05 Roger Sayle <roger@eyesopen.com>
4741 * mips-tfile.c (initialize_init_file): Correct endianness test.
4743 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
4745 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
4748 2007-02-05 Richard Sandiford <richard@codesourcery.com>
4750 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
4751 saves in a PARALLEL before the register assignments.
4753 2007-02-05 Richard Sandiford <richard@codesourcery.com>
4755 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
4756 DWARF_FRAME_RETURN_COLUMN to be a general register.
4757 * dwarf2out.c (init_return_column_size): New function, split from...
4758 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
4759 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
4760 to be nongeneral registers.
4761 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
4763 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
4764 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
4766 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4768 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
4770 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4772 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
4773 (remove_path): Use can_remove_branch_p and remove_branch instead
4774 of loop_delete_branch_edge.
4775 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
4776 (tree_transform_and_unroll_loop): Remove dead branches immediately.
4777 Update profile using scale_dominated_blocks_in_loop.
4778 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
4779 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
4780 (can_remove_branch_p, remove_branch): Declare.
4781 * tree-cfg.c (tree_can_remove_branch_p): New function.
4782 (tree_cfg_hooks): Add tree_can_remove_branch_p.
4783 * cfgrtl.c (rtl_can_remove_branch_p): New function.
4784 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
4786 2007-02-05 Jan Hubicka <jh@suse.cz>
4789 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
4790 nodes in cgraph, don't remove offline copy of the function.
4792 2007-02-04 Jan Hubicka <jh@suse.cz>
4794 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
4795 vectors might cause maybe_lookup_element_for_expr to be called
4796 on non-sra-candidate.
4798 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
4800 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
4801 config/bfin/bfin.md, config/bfin/predicates.md: Follow
4802 spelling conventions.
4804 2007-02-04 Richard Guenther <rguenther@suse.de>
4807 * fold-const.c (try_move_mult_to_index): Make sure to not
4808 overflow one dimension of a multi-dimensional array access.
4810 2007-02-04 Jan Hubicka <jh@suse.cz>
4812 * passes.c (init_optimization_passes): Reindent.
4814 2007-02-04 Jan Hubicka <jh@suse.cz>
4815 Eric Botcazou <ebotcazou@adacore.com>
4817 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
4818 (execute_fixup_cfg): Break out the abnormal goto code.
4819 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
4820 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
4821 (optimize_inline_calls): Call make_nonlocal_label_edges.
4823 2007-02-04 Jan Hubicka <jh@suse.cz>
4825 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
4826 true when something was changed.
4827 (rename_ssa_copies): When something was changed, do
4828 TODO_remove_unused_locals.
4829 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4830 add TODO_remove_unused_locals when instruction was removed.
4832 2007-02-04 Jan Hubicka <jh@suse.cz>
4834 * ipa-inline.c (try_inline): Improve debug output; work on already
4836 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
4837 call try_inline for already inlined edges too when flattening;
4838 inline also functions that make callee growth but overall unit size
4841 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
4843 * config/m32c/bitops.md, config/m32c/jump.md,
4844 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
4845 config/m32r/m32r.h, config/m32r/m32r.md,
4846 config/m32r/predicates.md, config/m68hc11/larith.asm,
4847 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
4848 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
4849 config/mips/mips-protos.h, config/mips/mips.c,
4850 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
4851 config/mn10300/mn10300.h, config/mn10300/predicates.md,
4852 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
4853 spelling conventions.
4855 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
4856 Follow spelling conventions.
4858 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
4860 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
4861 warn about C++0x compatibility.
4863 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
4865 * config/h8300/h8300.c, config/h8300/h8300.h,
4866 config/h8300/h8300.md: Follow spelling conventions.
4868 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
4871 * combine.c (try_combine): Do not substitute source operand
4872 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
4874 2007-02-03 Jan Hubicka <jh@suse.cz>
4876 PR gcov-profile/30650
4877 * value-prof.c (stringop_block_profile): Fix handling of size counter;
4878 do not divide by zero for never executed counters.
4879 (tree_find_values_to_profile): Fix counters.
4880 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
4882 2007-02-03 Ian Lance Taylor <iant@google.com>
4884 * lower-subreg.c (simple_move_operand): New static function,
4885 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
4887 (simple_move): Call simple_move_operand.
4888 (find_decomposable_subregs): Add special handling of MEMs.
4889 (can_decompose_p): Rename from cannot_decompose_p. Reverse
4890 meaning of return value. If we see a hard register, test whether
4891 it can store a word_mode value. Change all callers.
4893 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4895 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
4896 ftrapv insns and expanders.
4897 (subdi3): Change define_expand operand 1 to arith11_operand, and
4898 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
4899 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
4900 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
4904 * varasm.c (notice_global_symbol): Treat global objects as weak when
4907 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4909 * emit-rtl.c (dconstpi): Delete.
4911 (init_emit_once): Delete dconstpi and init dconstsqrt2.
4912 * real.h (dconstpi): Delete.
4914 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
4915 (fold_builtin_hypot): Likewise.
4917 2007-02-03 Tom Tromey <tromey@redhat.com>
4920 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
4921 -gcoff3, -gxcoff3, -gvms3 implies -dD.
4923 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
4925 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
4926 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
4927 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
4928 config/rs6000/cell.md, config/rs6000/darwin.h,
4929 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
4930 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
4931 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
4932 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
4933 typos. Follow spelling conventions.
4934 * doc/invoke.texi: Follow spelling conventions.
4936 2007-02-03 Roger Sayle <roger@eyesopen.com>
4938 * simplify-rtx.c (simplify_relational_operation_1): Implement some
4939 canonicalization transformations that attempt to simplify integer
4940 constant comparisons to become comparisons against zero.
4942 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4944 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
4946 * fold-const.c (fold_binary): Fix comment typos. Fold complex
4947 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
4949 2007-02-02 Mike Stump <mrs@apple.com>
4951 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
4952 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
4953 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
4954 generate a branch island.
4956 2007-02-02 Bob Wilson <bob.wilson@acm.org>
4958 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
4959 (xtensa_legitimate_address_p): New.
4960 (xtensa_legitimize_address): New.
4961 (xtensa_output_addr_const_extra): New.
4962 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
4964 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
4965 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
4966 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
4967 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
4968 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
4969 (xtensa_legitimize_address): New.
4970 (xtensa_output_addr_const_extra): New.
4972 2007-02-02 Steve Ellcey <sje@cup.hp.com>
4974 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
4976 2007-02-02 Ian Lance Taylor <iant@google.com>
4978 * expmed.c (expand_divmod): Add comment.
4980 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
4982 * emit-rtl.c (renumber_insns): Remove.
4983 * flags.h: Remove the extern for flag_renumber_insns.
4984 * rtl.h: Remove the prototype for renumber_insns.
4985 * toplev.c (flag_renumber_insns): Remove.
4987 2007-02-02 Hui-May Chang <hm.chang@apple.com>
4989 Revert for x86 darwin:
4990 2005-06-19 Uros Bizjak <uros@kss-loka.si>
4992 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
4993 code before the following patch under TARGET_MACHO.
4994 (ix86_function_value_regno_p): Likewise.
4996 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4998 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
5001 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5004 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
5005 general or fp registers. Add comments.
5006 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
5008 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
5010 * pointer-set.c (insert_aux): Only return insertion slot.
5011 (pointer_set_insert): Adjust.
5012 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
5013 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
5014 pointer_map_traverse): New.
5015 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
5016 pointer_map_create, pointer_map_destroy, pointer_map_insert,
5017 pointer_map_contains, pointer_map_traverse): Declare.
5019 2007-02-02 Jakub Jelinek <jakub@redhat.com>
5022 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
5023 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
5025 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5027 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
5029 (struct _dep): New type.
5030 (dep_t): New typedef.
5031 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
5032 (DEP_STATUS): New access macro. The macro with the same name was
5033 renamed to DEP_LINK_STATUS.
5034 (dep_init): Declare function
5036 (struct _dep_link): New type.
5037 (dep_link_t): New typedef.
5038 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
5039 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
5040 (DEP_LINK_STATUS): New macro.
5041 (debug_dep_links): New debug function.
5043 (struct _deps_list): New type.
5044 (deps_list_t): New typedef.
5045 (DEPS_LIST_FIRST): New access macro.
5046 (FOR_EACH_DEP_LINK): New cycle macro.
5047 (create_deps_list, free_deps_list, delete_deps_list): Declare
5049 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
5050 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
5051 (copy_deps_list_change_con): Ditto.
5053 (move_dep_link): Declare function.
5055 (struct _dep_node): New type.
5056 (dep_node_t): New typedef.
5057 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
5059 (struct haifa_insn_data.back_deps): New field to hold backward
5060 dependencies of the insn.
5061 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
5063 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
5064 Change its type to deps_list_t.
5065 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
5066 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
5067 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
5069 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
5071 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
5073 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
5075 (dep_cost): Declare.
5077 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
5078 (ds_to_dk, dk_to_ds): New functions.
5080 (init_dep_1): New static function.
5081 (init_dep): New function.
5082 (copy_dep): New static function.
5084 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
5086 (detach_dep_link): New static function.
5087 (move_dep_link): New function.
5089 (dep_links_consistent_p, dump_dep_links): New static functions.
5090 (debug_dep_links): New debugging function.
5092 (deps_obstack, dl_obstack, dn_obstack): New static variables.
5094 (alloc_deps_list, init_deps_list): New static functions.
5095 (create_deps_list): New function.
5096 (clear_deps_list): New static function.
5097 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
5098 (deps_list_consistent_p, dump_deps_list): New static functions.
5099 (debug_deps_list): New function.
5100 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
5102 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
5104 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
5105 use new scheduler dependencies lists.
5106 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
5107 (sched_analyze): Ditto. Initialize dependencies lists.
5108 (add_forw_dep, compute_forward_dependences): Update to use new
5109 scheduler dependencies lists.
5111 (init_dependency_caches): Init deps_obstack.
5112 (free_dependency_caches): Free deps_obstack.
5114 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
5115 new scheduler dependencies lists.
5116 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
5117 (add_back_forw_dep, delete_back_forw_dep): Ditto.
5119 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
5120 Update to use new scheduler dependencies lists.
5121 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
5122 (debug_dependencies): Ditto.
5123 (schedule_region): Update comments.
5125 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
5126 scheduler dependencies lists.
5127 (schedule_ebb): Update comments.
5129 * rtl.def (DEPS_LIST): Remove.
5131 * lists.c (unused_deps_list): Remove.
5132 (free_list): Update assertions.
5134 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
5135 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
5137 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
5138 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
5140 * haifa-sched.c (comments): Update.
5141 (insn_cost1): Remove. Inline the code into insn_cost ().
5142 (insn_cost): Update to use new scheduler dependencies lists. Move
5143 processing of the dependency cost to dep_cost ().
5144 (dep_cost): New function. Use it instead of insn_cost () when
5145 evaluating cost of the dependency. Use compatible interface to
5146 interact with the target.
5147 (priority): Update to use new scheduler dependencies lists.
5148 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
5149 with greater number of insns that depend on the insn.
5150 (schedule_insn): Update to use new scheduler dependencies lists. Add
5151 code to free backward dependencies lists. Inline and optimize code
5152 from resolve_dep () - see PR28071.
5153 (ok_for_early_queue_removal): Update to use new scheduler dependencies
5154 lists. Update call to targetm.sched.is_costly_dependence hook.
5156 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
5157 scheduler dependencies lists.
5159 (resolve_dep): Remove. Move the logic to schedule_insn ().
5160 (init_h_i_d): Initialize dependencies lists.
5162 (process_insn_depend_be_in_spec): Rename to
5163 process_insn_forw_deps_be_in_spec. Update to use new scheduler
5165 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
5166 Update to use new scheduler dependencies lists.
5167 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
5169 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
5170 new scheduler dependencies lists.
5171 (build_intra_loop_deps): Ditto.
5173 * target.h (struct _dep): Declare to use in
5174 gcc_target.sched.is_costly_dependence.
5175 (struct gcc_target.sched.adjust_cost): Fix typo.
5176 (struct gcc_target.sched.is_costly_dependence): Change signature to use
5177 single dep_t parameter instead of an equivalent triad.
5178 (struct gcc_target.sched.adjust_cost_2): Remove.
5180 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
5182 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
5184 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
5186 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
5188 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
5189 (REG_DEP_TRUE): Document.
5191 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
5192 Change signature to correspond to the targetm.sched.adjust_cost hook.
5193 Update use in TARGET_SCHED_ADJUST_COST_2.
5194 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
5195 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
5196 new scheduler dependencies lists.
5197 (ia64_gen_check): Ditto.
5199 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
5202 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
5203 signature to correspond to the targetm.sched.is_costly_dependence hook.
5204 (is_costly_group): Update to use new scheduler dependencies lists.
5206 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
5207 instead of INSN_COST () macro.
5209 2007-02-01 Ian Lance Taylor <iant@google.com>
5211 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
5213 2007-02-01 Guy Martin <gmsoft@gentoo.org>
5215 * pa.md (tp_load): Correct mfctl instruction syntax.
5217 2007-02-01 Geoffrey Keating <geoffk@apple.com>
5219 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
5220 altivec_padding_size calculation on AIX. Improve comment, add
5221 assert to verify that it's right.
5223 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
5226 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
5229 * global.c (global_alloc): Add mising initialization of
5232 2007-02-01 Roger Sayle <roger@eyesopen.com>
5234 * alias.c (init_alias_analysis): Correct whitespace.
5235 * bb-reorder.c (fix_edges_for_rarely_executed_code,
5236 partition_hot_cold_basic_blocks): Likewise.
5237 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
5238 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
5239 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
5240 fold_builtin_snprintf_chk, fold_builtin_printf,
5241 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
5242 do_mpfr_arg3, do_mpfr_sincos): Likewise.
5243 * cfgcleanup.c (cleanup_cfg): Likewise.
5244 * cfgexpand.c (tree_expand_cfg): Likewise.
5245 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
5246 * function.c (get_next_funcdef_no): Likewise.
5247 * gengtype.c (main): Likewise.
5248 * genmodes.c (main): Likewise.
5249 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
5250 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
5251 * ifcvt.c (noce_emit_move_insn): Likewise.
5252 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
5254 * stor-layout.c (get_best_mode): Likewise.
5255 * tree-ssa-loop-niter.c (get_val_for): Likewise.
5256 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
5257 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
5258 perform_var_substitution, solve_graph): Likewise.
5259 * tree-vrp.c (vrp_finalize): Likewise.
5261 2007-02-01 Ian Lance Taylor <iant@google.com>
5263 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
5264 high part of a paradoxical subreg, return a constant zero.
5266 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
5268 * toplev.c (lang_dependent_init): Call init_set_costs.
5269 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
5271 2007-02-01 Richard Guenther <rguenther@suse.de>
5274 * fold-const.c (fold_negate_expr): Allow negating a
5275 constant if overflow does not change.
5277 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5279 * doc/c-tree.texi (Expression trees): Improve markup.
5280 * doc/tm.texi (Register Classes, Addressing Modes)
5281 (Floating Point): Fix spacing after abbreviations. Fix some
5284 2007-02-01 Ben Elliston <bje@au.ibm.com>
5286 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
5287 * doc/contrib.texi: Likewise.
5288 * doc/install.texi: Likewise.
5290 2007-01-31 Richard Henderson <rth@redhat.com>
5291 Ian Lance Taylor <iant@google.com>
5293 * lower-subreg.c: New file.
5294 * rtl.def (CONCATN): Define.
5295 * passes.c (init_optimization_passes): Add pass_lower_subreg and
5297 * emit-rtl.c (update_reg_offset): New static function, broken out
5298 of gen_rtx_REG_offset.
5299 (gen_rtx_REG_offset): Call update_reg_offset.
5300 (gen_reg_rtx_offset): New function.
5301 * regclass.c: Revert patch of 2006-03-05, restoring
5303 (clear_reg_info_regno): New function.
5304 * dwarf2out.c (concatn_loc_descriptor): New static function.
5305 (loc_descriptor): Handle CONCATN.
5306 * common.opt (fsplit_wide_types): New option.
5307 * opts.c (decode_options): Set flag_split_wide_types when
5309 * timevar.def (TV_LOWER_SUBREG): Define.
5310 * rtl.h (gen_reg_rtx_offset): Declare.
5311 (reg_scan_update): Declare.
5312 * regs.h (clear_reg_info_regno): Declare.
5313 * tree-pass.h (pass_lower_subreg): Declare.
5314 (pass_lower_subreg2): Declare.
5315 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
5316 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
5318 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
5319 * Makefile.in (OBJS-common): Add lower-subreg.o.
5320 (lower-subreg.o): New target.
5322 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
5324 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
5326 2007-01-31 Anatoly Sokolov <aesok@post.ru>
5329 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
5331 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5334 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
5336 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
5338 * cfgloop.h: Include vec-prim.h.
5339 (enum li_flags): Remove LI_ONLY_OLD.
5340 (loop_iterator): Changed.
5341 (fel_next, fel_init): Iterate over loop tree.
5342 (FOR_EACH_LOOP_BREAK): New macro.
5343 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
5345 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
5346 * modulo-sched.c (sms_schedule): Ditto.
5347 * tree-vectorizer.c (vectorize_loops): Ditto.
5348 * doc/loop.texi: Update information on loop numbering and behavior of
5349 FOR_EACH_LOOP wrto new loops.
5350 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5351 add_to_evolution_1): Test nestedness of loops instead of comparing
5353 * tree-chrec.c (chrec_fold_plus_poly_poly,
5354 chrec_fold_multiply_poly_poly, chrec_evaluate,
5355 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
5356 reset_evolution_in_loop): Ditto.
5357 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
5359 2007-01-31 Dirk Mueller <dmueller@suse.de>
5361 * c-common.c (warn_about_parentheses): Separate warning about
5362 un-parenthized sequence of comparison operators from the one
5363 which is supposed to warn about x <= y <= z.
5365 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
5367 * optabs.h (enum optab_index): Add new OTI_isinf.
5368 (isinf_optab): Define corresponding macro.
5369 * optabs.c (init_optabs): Initialize isinf_optab.
5370 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
5372 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
5373 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
5375 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
5376 expand_builtin_interclass_mathfn.
5377 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
5378 * config/i386/i386.md (UNSPEC_FXAM): New constant.
5379 (fxam<mode>2_i387): New insn pattern.
5380 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
5381 built-in functions as x87 inline asm.
5383 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
5385 * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
5387 2007-01-30 Eric Christopher <echristo@apple.com>
5389 * config.gcc: Add geode.
5391 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
5393 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
5394 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
5395 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
5396 value-prof.c: Fix comment typos.
5398 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5401 * doc/invoke.texi (Wpointer-arith): Document warning.
5403 2007-01-30 Janis Johnson <janis187@us.ibm.com>
5405 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
5406 the list of discrepancies from the draft TR.
5408 2007-01-30 Dirk Mueller <dmueller@suse.de>
5411 * doc/invoke.texi (-Wreturn-type): Update description to
5414 2007-01-30 Richard Sandiford <richard@codesourcery.com>
5416 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
5418 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
5420 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
5421 to handle optabs that operate on floating point input argument and
5422 output to integer output.
5423 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
5424 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
5425 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
5426 expand_builtin_interclass_mathfn ().
5427 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
5429 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
5430 ilogbl built-in functions as x87 intrinsics.
5432 2007-01-30 Richard Guenther <rguenther@suse.de>
5435 * dwarf2out.c (reference_to_unused): Query varpool if the
5436 variable was output.
5438 2007-01-30 Richard Guenther <rguenther@suse.de>
5441 * passes.c (execute_one_pass): Reset in_gimple_form to not
5442 confuse non-unit-at-a-time mode.
5444 2007-01-29 Roger Sayle <roger@eyesopen.com>
5445 Richard Guenther <rguenther@suse.de>
5447 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
5448 avoid undefined behaviour on overflow. Use force_fit_type_double
5449 to construct the constant with the specified TREE_OVERFLOW.
5451 2007-01-29 Janis Johnson <janis187@us.ibm.com>
5453 * config/dfp-bit.c: Add parameterized support for fp exceptions.
5454 * config/dfp-bit.h: Ditto.
5456 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5458 * c-decl.c (pop_scope): Replace warnings with call to
5459 warn_for_unused_label.
5460 * c-common.h (warn_for_unused_label): Declare.
5461 * c-common.c (warn_for_unused_label): Define.
5463 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5465 * tree-optimize.c (update_inlined_to_pointers): Delete unused
5468 2007-01-29 Janis Johnson <janis187@us.ibm.com>
5470 * Makefile.in (USER_H): Remove decfloat.h.
5471 * ginclude/decfloat.h: Delete, moving contents to ...
5472 * ginclude/float.h: Add support for decimal floating point,
5473 guarded by __STDC_WANT_DEC_FP__.
5475 2007-01-29 Mike Stump <mrs@apple.com>
5477 * doc/gccint.texi (Top): Rename Loop Representation to Loop
5478 Analysis and Representation to resolve case insensitive conflict.
5479 * doc/loop.texi (Loop Analysis and Representation): Likewise.
5481 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
5483 * tree.h (struct tree_memory_tag): Add aliases member.
5484 (MTAG_ALIASES): New macro.
5485 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
5486 (add_may_alias): Remove pointer-set. Update for may_aliases being
5488 (mark_aliases_call_clobbered): Update for may_aliases being a
5490 (compute_tag_properties): Ditto.
5491 (create_partition_for): Ditto.
5492 (compute_memory_partitions): Ditto.
5493 (dump_may_aliases_for): Ditto.
5494 (is_aliased_with): Ditto.
5495 (add_may_alias_for_new_tag): Ditto.
5496 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
5497 (compute_is_aliased): New function.
5498 (compute_may_aliases): Call compute_is_aliased).
5499 (init_alias_info): Initialize alias_bitmap_obstack.
5500 (union_alias_set_into): New function.
5501 (compute_flow_sensitive_aliasing): Use union_aliases_into.
5502 (have_common_aliases_p): Rewrite to take two bitmaps and use
5504 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
5506 (finalize_ref_all_pointers): Update for add_may_alias changes.
5507 (new_type_alias): Ditto.
5508 * tree-flow-inline.h (may_aliases): Return a bitmap.
5509 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
5510 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
5511 may_aliases being a bitmap.
5512 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
5513 may_aliases now returns a bitmap.
5514 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
5516 * tree-ssa-operands.c (add_virtual_operand): Update for
5517 may_aliases being a bitmap.
5519 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
5521 PR tree-optimization/30630
5522 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
5523 variable as changed.
5525 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
5528 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
5529 expanded only once even if an error occurs.
5531 2007-01-29 Ben Elliston <bje@au.ibm.com>
5533 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
5534 (__gcov_average_profiler): Likewise.
5535 (__gcov_ior_profiler): Likewise.
5536 (__gcov_merge_ior): Likewise.
5538 2007-01-28 Jan Hubicka <jh@suse.cz>
5540 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
5541 * value-prof.c (stringop_block_profile): Likewise.
5543 2007-01-28 Jan Hubicka <jh@suse.cz>
5545 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
5546 variant handling histograms; add wrapper.
5547 (clear_storage_via_libcall): Export.
5548 (emit_block_move_hints): Break out from ...; add histograms.
5549 (emit_block_move): ... this one.
5550 (clear_storage_hints): Break out from ...; add histograms.
5551 (clear_storage): ... this one.
5552 (set_storage_via_memset): Handle histogram.
5553 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
5554 (clear_storage_hints, clear_storage_via_libcall): Declare.
5555 (set_storage_via_setmem): Update prototype.
5556 * doc/md.texi (movmem, setmem): Document new arguments.
5558 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
5560 (stringop_block_profile): New global function.
5561 (tree_stringops_values_to_profile): Profile block size and alignment.
5562 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
5564 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
5565 (stringop_block_profile): Declare.
5566 * builtins.c: Include value-prof.h.
5567 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
5568 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
5569 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
5570 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
5571 * profile.c (instrument_values): Add new counters.
5572 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
5574 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
5575 (tree_init_edge_profiler): Build new profilers.
5576 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
5577 (pass_tree_profile): Add dump.
5578 (tree_profile_hooks): Update.
5579 * Makefile.in (LIBGCOV): Add new constants.
5580 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
5581 __gcov_ior_profiler): New.
5582 * i386.md (movmem/setmem expanders): Add new optional arguments.
5584 2007-01-28 David Edelsohn <edelsohn@gnu.org>
5586 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
5588 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
5590 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
5591 (tree_unswitch_single_loop): Pass eni_size_weights to
5592 tree_num_loop_insns.
5593 * tree-ssa-loop-manip.c: Include tree-inline.h.
5594 (can_unroll_loop_p): Pass eni_size_weights to
5595 tree_num_loop_insns.
5596 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
5597 Pass eni_size_weights to estimate_num_insns.
5598 * tree.h (init_inline_once): Export.
5599 * toplev.c (backend_init): Call init_inline_once.
5600 * cgraphunit.c (cgraph_process_new_functions,
5601 cgraph_analyze_function): Pass eni_inlining_weights to
5603 * ipa-inline.c (compute_inline_parameters): Ditto.
5604 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
5605 to estimate_num_insns.
5606 (try_unroll_loop_completely): Pass eni_size_weights to
5607 tree_num_loop_insns.
5608 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
5609 ot estimate_num_insns.
5610 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
5611 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
5612 * tree-inline.c (eni_inlining_weights, eni_size_weights,
5613 eni_time_weights): New variables.
5614 (init_inline_once): Initialize them.
5615 (struct eni_data): Mew.
5616 (estimate_num_insns_1, estimate_num_insns): Use weights.
5617 * tree-inline.h (struct eni_weights_d): New.
5618 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
5619 (estimate_num_insns): Declaration changed.
5620 * cfgloop.h (tree_num_loop_insns): Declaration changed.
5621 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
5622 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
5624 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
5626 * tree-data-ref.c (conflict_fn): Assert that the number of affine
5627 relations in the conflict function is valid.
5629 2007-01-27 Ian Lance Taylor <iant@google.com>
5631 * common.opt: Add fstrict-overflow.
5632 * opts.c (decode_options): Set flag_strict_overflow if -O2.
5633 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
5634 (TYPE_OVERFLOW_UNDEFINED): Define.
5635 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
5637 * tree.h (TYPE_TRAP_SIGNED): Don't define.
5638 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
5639 (fold_negate_expr): Likewise.
5640 (make_range): Likewise.
5641 (extract_muldiv_1): Likewise.
5642 (maybe_canonicalize_comparison): Likewise.
5643 (fold_comparison): Likewise.
5644 (fold_binary): Likewise.
5645 (tree_expr_nonnegative_p): Likewise.
5646 (tree_expr_nonzero_p): Likewise.
5647 * tree-vrp.c (compare_values): Likewise.
5648 (extract_range_from_binary_expr): Likewise.
5649 (extract_range_from_unary_expr): Likewise.
5650 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
5652 (nowrap_type_p): Likewise.
5653 * tree-scalar-evolution.c (simple_iv): Likewise.
5654 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
5655 (build_range_check): Likewise.
5656 (extract_muldiv_1): Likewise.
5657 (fold_comparison): Likewise.
5658 * tree-vrp.c (vrp_int_const_binop): Likewise.
5659 (extract_range_from_unary_expr): Likewise.
5660 * convert.c (convert_to_integer): Likewise.
5661 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
5662 (fold_comparison): Likewise.
5663 (fold_binary): Likewise.
5664 * optabs.c (optab_for_tree_code): Likewise.
5665 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
5666 * simplify-rtx.c (simplify_const_relational_operation): Check
5667 flag_strict_overflow and flag_trapv.
5668 (simplify_const_relational_operation): Likewise.
5669 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
5670 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
5673 2007-01-27 Roger Sayle <roger@eyesopen.com>
5675 * tree.c (tree_fold_gcd): Delete.
5676 * tree.h (tree_fold_gcd): Remove prototype.
5677 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
5678 test whether one constant integer is a multiple of another. Instead
5679 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
5680 * fold-const.c (multiple_of_p): We've determined both TOP and
5681 BOTTOM are integer constants so we can call int_const_binop directly
5682 instead of the more generic const_binop.
5684 2007-01-27 Roger Sayle <roger@eyesopen.com>
5686 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
5687 1*X check that the constant hasn't overflowed, to preserve the
5689 (round_up): Provide an efficient implementation when rouding-up an
5690 INTEGER_CST to a power-of-two.
5692 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5694 * doc/sourcebuild.texi: Add comma for clarity.
5695 * doc/extend.texi: Fix some typos.
5696 * doc/passes.texi: Likewise.
5697 * doc/cppinternals.texi: Likewise.
5698 * doc/c-tree.texi: Likewise.
5699 * doc/tree-ssa.texi: Likewise.
5700 * doc/install.texi: Likewise.
5702 2007-01-27 Jan Hubicka <jh@suse.cz>
5704 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
5705 (pass_sra): Do not require alias information.
5706 * passes.c (init_optimization_passes): Add SRA
5708 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
5710 * tracer.c (rest_of_handle_tracer): We already cleaned
5711 up the CFG in tracer() so don't do it here again.
5712 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
5713 cleanup_cfg here, either. And don't call renumber_insns.
5715 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
5716 and BB_HEAD are in the insn stream here. Instead make sure
5717 that BB_INSN is valid on all insns. Also, do check here that
5718 there are no pending branch predictions...
5719 (rtl_verify_flow_info): ...instead of doing it here. Checks
5720 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
5723 2007-01-26 Roger Sayle <roger@eyesopen.com>
5725 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
5726 function to simplify/factorize operand order canonicalization.
5727 (ix86_fixup_binary_operands): Reorganize using the above function.
5728 (ix86_binary_operator_ok): Likewise.
5730 2007-01-27 Jakub Jelinek <jakub@redhat.com>
5732 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
5733 file scope from optimize_attrs.
5734 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
5736 (optimize_attrs): Clear insn_code_values after freeing it.
5738 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
5740 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
5741 a parts.base assignment.
5743 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
5745 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
5746 (compute_subscript_distance, initialize_data_dependence_relation,
5747 finalize_ddr_dependent, analyze_ziv_subscript,
5748 analyze_siv_subscript_cst_affine,
5749 compute_overlap_steps_for_affine_univar,
5750 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
5751 analyze_siv_subscript, analyze_miv_subscript,
5752 analyze_overlapping_iterations, subscript_dependence_tester_1,
5753 compute_self_dependence, free_dependence_relation): Work
5754 with affine_fn instead of chrecs.
5755 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
5756 common_affine_function, affine_function_base,
5757 affine_function_constant_p, affine_fn_op, affine_fn_plus,
5758 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
5759 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
5760 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
5761 (all_chrecs_equal_p): Removed.
5762 * tree-data-ref.h (affine_fn, conflict_function): New types.
5763 (struct subscript): Change type of conflicting_iterations_in_a
5764 and conflicting_iterations_in_b.
5766 2007-01-26 Steve Ellcey <sje@cup.hp.com>
5769 * config/pa/pa.h (TARGET_HPUX_11): New.
5770 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
5771 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
5773 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
5774 Richard Guenther <rguenther@suse.de>
5776 * tree-ssa-structalias.c (solve_graph): Handle case
5777 we merged the variable to another.
5779 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5781 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
5784 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
5785 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
5787 2007-01-25 DJ Delorie <dj@redhat.com>
5789 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
5790 allow changes to modes which don't fit in those registers.
5792 * reload1.c (choose_reload_regs): Check for invalid subregs before
5793 computing their locations, not after.
5795 2007-01-25 Geoffrey Keating <geoffk@apple.com>
5798 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
5799 save Altivec registers in an eh_return function.
5800 (compute_vrsave_mask): Likewise.
5801 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
5802 for saving Altivec registers.
5803 (rs6000_emit_prologue): Don't allocate stack twice in
5804 eh_return function. Correct expected value of altivec_save_offset
5805 when using save_world. Describe save of R0 to stack when using
5806 save_world. Describe stack pointer adjustment when using
5807 save_world. Remove duplicated eh_return parameter register saving.
5808 Update sp_offset variable after save_world.
5809 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
5811 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
5812 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
5815 2007-01-25 Steve Ellcey <sje@cup.hp.com>
5817 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
5819 2007-01-25 Steve Ellcey <sje@cup.hp.com>
5822 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
5823 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
5825 2007-01-25 Richard Guenther <rguenther@suse.de>
5827 * doc/invoke.texi (-Wcoverage-mismatch): Document.
5828 * common.opt (-Wcoverage-mismatch): New warning option.
5829 * coverage.c (get_coverage_counts): Ignore coverage mismatch
5830 if -Wcoverage-mismatch is given.
5832 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
5834 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
5835 (ipcp_driver): Change to static definition.
5836 Add dumping of the ifunctions.
5837 (constant_val_insert): Remove unused parameter. Support for SSA.
5838 (ipcp_propagate_const): Support for SSA.
5839 (ipcp_profile_bb_print): Print only analyzed nodes.
5840 (ipcp_replace_map_create): Remove support for Fortran constant
5842 * ipa-prop.c (ipa_method_modify_stmt,
5843 ipa_callsite_compute_param): Support for SSA.
5844 * ipa-prop.h (ipcp_driver): Remove declaration.
5845 (IS_VALID_TREE_MAP_INDEX): Add define.
5847 2007-01-24 Geoffrey Keating <geoffk@apple.com>
5849 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
5851 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5854 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
5855 constant argument to cabs and do it without checking for
5856 -funsafe-math-optimizations.
5858 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
5860 * c-common.h (RID_FIRST_CXX0X): New.
5861 (RID_LAST_CXX0X): New.
5862 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
5864 * c.opt (Wc++0x-compat): New.
5865 * doc/invoke.texi (-Wc++0x-compat): Document.
5867 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5869 * builtins.c (fold_builtin_carg): New.
5870 (fold_builtin_1): Use it.
5872 2007-01-24 Jan Hubicka <jh@suse.cz>
5874 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
5876 * ipa-inline.c (initial_insns, max_insns): Delete.
5877 (compute_max_insns): New function.
5878 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
5879 of insns as base for code growth.
5880 (cgraph_decide_inlining): Make initial_insns local; do not compute
5882 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
5883 * doc/invoke.texi (inline-unit-growth): Update docs.
5885 2007-01-24 Jakub Jelinek <jakub@redhat.com>
5887 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
5888 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
5889 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
5890 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
5891 for CPUs that have PTA_CX16 set.
5894 * gimplify.c (omp_check_private): New function.
5895 (gimplify_scan_omp_clauses): Use it for
5896 firstprivate/lastprivate/reduction.
5899 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
5900 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
5903 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
5904 If lower_lastprivate_clauses emits some statements, append them
5905 to dlist rather than body_p and to body_p append an initializer.
5906 (lower_omp_for): Adjust caller.
5908 2007-01-24 Steve Ellcey <sje@cup.hp.com>
5910 * target.h (globalize_decl_name): New.
5911 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
5912 * output.h (default_globalize_decl_name): New.
5913 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
5915 (globalize_decl): Ditto.
5916 (default_globalize_decl_name): New.
5917 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
5918 (ia64_handle_version_id_attribute): New.
5919 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
5920 (ia64_asm_output_external): Use globalize_decl_name instead
5922 * doc/extend.texi (version_id): New pragma.
5923 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
5925 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
5927 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
5928 _uleb128_t and _Unwind_SWord with _sleb128_t.
5929 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
5930 uw_frame_state_for, uw_update_context_1): Likewise.
5931 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
5932 * unwind-pe.h (read_uleb128, read_sleb128,
5933 read_encoded_value_with_base): Likewise.
5934 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
5936 2007-01-24 Richard Guenther <rguenther@suse.de>
5938 * builtins.c (expand_builtin_cexpi): Get the fndecl
5939 for cexp in the correct way.
5941 2007-01-24 Jan Hubicka <jh@suse.cz>
5943 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
5945 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
5947 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
5948 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
5949 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
5950 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
5951 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
5952 __SIZEOF_PTRDIFF_T__.
5953 * doc/cpp.texi: Documentation for the new builtin macros added.
5955 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
5957 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
5958 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
5959 instead of operands[2] to avoid access past the end of array.
5961 2007-01-24 Richard Sandiford <richard@codesourcery.com>
5963 * reload1.c (emit_reload_insns): Pass the reload register
5964 for a non-spill output reload through forget_old_reloads_1.
5966 2007-01-23 Joseph Myers <joseph@codesourcery.com>
5968 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5969 _SOFT_DOUBLE if doubles use software floating-point.
5970 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
5971 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
5972 * config/rs6000/darwin-ldouble.c: Also compile functions for
5973 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
5974 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
5975 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
5976 commented-out long double override.
5977 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
5978 * config/rs6000/eabispe.h: Likewise.
5979 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
5980 long double for non-SPE.
5981 (rs6000_handle_option): Likewise.
5982 (invalid_e500_subreg): Disallow more subregs involding DImode,
5983 DFmode, TImode or TFmode.
5984 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
5986 (legitimate_lo_sum_address_p): Also check for TFmode for E500
5988 (rs6000_legitimize_address): Also handle TFmode for E500 double.
5989 (rs6000_legitimize_reload_address): Also handle TFmode for E500
5991 (rs6000_legitimate_address): Also check for TFmode for E500
5993 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
5994 (spe_build_register_parallel): Handle TFmode and TCmode.
5995 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
5997 (function_arg): Handle TFmode and TCmode for E500 double.
5998 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
6000 (print_operand): Handle TFmode and TImode for %y.
6001 (rs6000_generate_compare): Handle TFmode comparisons for E500
6003 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
6004 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
6005 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
6006 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
6007 TFmode for E500 double.
6008 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
6009 (floatsidf2): Enable for E500 double.
6010 (movtf_softfloat): Use rs6000_nonimmediate_operand.
6011 (extenddftf2): Change to extenddftf2_fprs.
6012 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
6013 depending on TARGET_E500_DOUBLE.
6014 (extendsftf2): Enable for E500 double.
6015 (trunctfdf2): Enable for E500 double.
6016 (trunctfsf2): Change to trunctfsf2_fprs.
6017 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
6018 depending on TARGET_E500_DOUBLE.
6019 (floatsitf2): Enable for E500 double.
6020 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
6021 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
6022 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
6023 (negtf2): Change to negtf2_internal.
6024 (negtf2): New expander.
6025 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
6026 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
6027 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
6028 (movdi_internal32): Use rs6000_nonimmediate_operand.
6029 (unnamed splitter): Likewise.
6030 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
6031 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
6032 (SPE64TF, DITI): New mode macros.
6033 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
6036 (frob_<mode>_di_2): New.
6037 (frob_tf_di_8_2): New.
6038 (frob_di_df): Change to frob_di_<mode>; allow more modes.
6040 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
6042 (frob_ti_<mode>_8_2): New.
6043 (frob_ti_tf_2): New.
6044 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
6045 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
6047 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
6048 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
6049 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
6050 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
6051 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
6052 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
6055 2007-01-23 Ian Lance Taylor <iant@google.com>
6057 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
6059 (OBJS-archive): Reformat, alphabetize.
6060 (OBJS): Change out_object_file to OBJS-md.
6062 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
6064 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
6065 JUMP_P and CALL_P predicates where applicable.
6066 * config/i386/i386.c: Ditto.
6067 * config/i386/i386.md: Ditto.
6068 * config/i386/mmx.md: Ditto.
6069 * config/i386/predicates.md: Ditto.
6071 2007-01-22 Andreas Schwab <schwab@suse.de>
6073 * config/m68k/m68k.h: Fix comment.
6075 2007-01-22 Jan Hubicka <jh@suse.cz>
6077 * passes.c (init_optimization_passes): Do not rerun
6078 pass_early_warn_uninitialized.
6080 2007-01-22 Richard Guenther <rguenther@suse.de>
6082 PR tree-optimization/30038
6083 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
6085 (execute_cse_sincos_1): Likewise.
6086 (execute_cse_sincos): Likewise.
6087 (gate_cse_sincos): Likewise.
6088 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
6089 the cexpi() canonicalization of sincos().
6090 * tree-pass.h (pass_cse_sincos): Declare.
6091 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
6093 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6095 PR rtl-optimization/29329
6096 * combine.c (replaced_rhs_insn): Rename to i2mod.
6097 (replaced_rhs_value): Rename to i2mod_new_rhs.
6098 (i2mod_old_rhs): New global variable.
6099 (combine_instructions): Adjust for above change. Save a copy of
6100 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
6101 note are substituted in the second instruction.
6102 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
6103 ditch the note if it pertains to the second eliminated register
6104 and this register is mentioned in i2mod_old_rhs.
6107 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
6109 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6110 the insn to which the note was originally attached.
6112 2007-01-21 Jan Hubicka <jh@suse.cz>
6114 * ipa-inline.c (inlining_mode): Comment, move up.
6115 (cgraph_decide_inlining_incrementally): Do not perform inlining
6116 itself; fix handling of flattening of self recursive functions.
6117 (cgraph_find_cycles): Remove.
6118 (cgraph_flatten_node): Remove.
6119 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
6120 (try_inline): New function.
6121 (cgraph_early_inlining): Update call of
6122 cgraph_decide_inlining_incrementally. Apply inlining here.
6123 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
6125 2007-01-21 Dirk Mueller <dmueller@suse.de>
6128 * tree-vrp.c (check_array_bounds): do not warn
6129 about ADDR_EXPR's of ARRAY_REF's which are immediately
6130 used in binary expressions.
6132 2007-01-21 Ira Rosen <irar@il.ibm.com>
6134 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
6135 read_write_dep and macros for its access.
6136 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
6137 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
6138 argument, call vect_check_interleaving for every independent pair of
6139 data-refs. Mark loads that access the same memory location as a store
6141 (vect_check_dependences): Remove.
6142 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
6143 call, fix the call to vect_analyze_data_ref_dependence.
6144 (vect_analyze_data_ref_access): For statements that access the same
6145 data-ref, check that they are not stores; for loads, check that there
6146 is no store that access the same location.
6148 2007-01-20 Roger Sayle <roger@eyesopen.com>
6149 Joseph Myers <joseph@codesourcery.com>
6151 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
6152 (-fdump-rtl-stack): Likewise.
6153 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
6154 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
6155 (-mpt-fixed): Use @minus{} for minus sign.
6156 (Using Precompiled Headers): Fix under/overfull hbox.
6158 2007-01-20 Jan Hubicka <jh@suse.cz>
6160 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
6161 place within annotation.
6163 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6165 * pa.c (output_move_double): Change array size of xoperands to 4.
6167 2007-01-20 Jan Hubicka <jh@suse.cz>
6169 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
6172 2007-01-19 Ian Lance Taylor <iant@google.com>
6174 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
6175 constant to unsigned HOST_WIDE_INT before negating.
6177 2007-01-19 Ian Lance Taylor <iant@google.com>
6179 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
6181 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
6182 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
6183 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
6184 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
6185 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
6186 (realloc_vdef, realloc_vuse): Change second parameter to
6188 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
6190 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
6191 unsigned. Change x and lim locals to unsigned.
6192 (realloc_vdef, realloc_vuse): Change num_elem parameter to
6194 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
6195 (copy_virtual_operands): Change i and n locals to unsigned.
6197 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6200 * builtins.c (fold_builtin_1): Handle builtin fdim.
6202 2007-01-20 Jan Hubicka <jh@suse.cz>
6204 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
6205 * tree-ssa-structalias.c (compute_points_to_sets): Do call
6206 init_alias_heapvars.
6207 (init_alias_heapvars): Initialize only when not already initialized.
6208 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
6210 2007-01-19 Roger Sayle <roger@eyesopen.com>
6212 * common.opt (fsigned-zeros): New command line option.
6213 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
6214 of flag_unsafe_math_optimizations.
6215 * opts.c (set_fast_math_flags): The -ffast-math command line option
6216 implies -fno-signed-zeros.
6217 (fast_math_flags_set_p): Likewise.
6219 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
6220 the documentation of -ffast-math appropriately. Wrap long lines.
6222 2007-01-19 Steve Ellcey <sje@cup.hp.com>
6224 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
6225 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
6227 2007-01-19 Tomas Bily <tbily@suse.cz>
6229 * cgraphunit.c (cgraph_finalize_function): Updating of pid
6231 (tree_init_ic_make_global_vars): New function
6232 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
6233 (tree_gen_ic_profiler): New function
6234 (tree_gen_ic_func_profiler): New function
6235 (tree_profiling): Added calling of tree_gen_ic_func_profiler
6236 (tree_profile_hooks): Added hook for indirec/virtual calls
6237 * value-prof.c (tree_find_values_to_profile): New case for
6239 (tree_values_to_profile): Call for determining indirect/virtual
6241 (tree_indirect_call_to_profile): New function
6242 (tree_ic_transform): New function
6243 (tree_ic): New function
6244 (find_func_by_pid): New function
6245 (init_pid_map): New function
6246 (tree_value_profile_transformations): Added check for
6247 indirect/virtual call transformation
6248 * value-prof.h (enum hist_type): New counter type for
6249 indirect/virtual calls
6250 (profile_hooks): Added new hook for profiling indirect/virtual
6252 * profile.c (instrument_values): New case for indirect/virtual
6254 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
6255 (GCOV_COUNTER_V_INDIR): New counter type
6256 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
6257 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
6259 * cgraph.c: Definition of cgraph_max_pid
6260 (cgraph_create_node): Default init of pid attribute
6261 * cgraph.h: Declaration of cgraph_max_pid
6262 (struct cgraph_node): Added pid attribute
6263 * libgcov.c (__gcov_indirect_call_profiler): New function
6264 (__gcov_one_value_profiler_body): New function
6265 (__gcov_one_value_profiler): Body was moved to
6266 __gcov_one_value_profiler_body and calls it
6268 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
6270 * doc/gty.texi (Options): Document the mark_hook option to GTY.
6271 * gengtype.c (write_types_data, write_func_for_structure,
6272 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
6273 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
6274 (walk_type, write_func_for_structure): Generate the mark_hook if
6277 2007-01-19 Jan Hubicka <jh@suse.cz>
6279 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
6280 'early' argument take inlining mode argument specifying whether to
6281 inline for size/speeed or all functions; add support for flattening;
6283 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
6285 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6288 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
6289 the name of the declared identifier.
6291 2007-01-19 Dirk Mueller <dmueller@suse.de>
6293 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
6294 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
6295 duplicate evaluation.
6297 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
6299 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
6300 Macroize expander using X87MODEF12 mode macro. Extend operand 1
6301 to XFMode, use acosxf2 and truncate result to requested mode.
6302 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
6303 (asin<mode>2): Similarly, with asin expanders.
6304 (*fscalexf4_i387): Rename from *fscalexf4.
6305 (expNcorexf3): New expander.
6306 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
6307 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
6308 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
6309 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
6310 patterns for SSE math.
6311 (exp10<mode>2): Similarly, with exp10 expanders.
6312 (exp2<mode>2): Similarly, with exp2 expanders.
6313 (expm1<mode>2): Similarly, with expm1 expanders.
6314 (ldexp<mode>3): Similarly, with ldexp expanders.
6315 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
6316 Use gen_truncxf<mode>2_i387_noop to truncate result.
6318 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6320 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
6321 for ColdFire targets.
6323 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
6324 Richard Sandiford <richard@codesourcery.com>
6326 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
6327 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
6328 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
6329 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
6330 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
6331 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
6333 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6335 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
6336 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
6337 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
6338 (*adddi_dilshr32_cf): New pattern.
6339 (adddi3, subdi3): Remove first alternatives.
6341 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6343 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
6344 implemented using move.l, do not use its cc result for floating-point
6347 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6349 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
6350 from accepting 's' constraints if flag_pic.
6352 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6354 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
6355 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
6356 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
6357 condition from TARGET_68881 to TARGET_HARD_FLOAT.
6359 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
6361 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
6362 ColdFire alternatives.
6363 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
6364 * config/m68k/m68k.md (clzsi2): Define for ColdFire
6365 architectures that support ff1 instruction.
6367 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6368 Julian Brown <julian@codesourcery.com>
6370 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
6371 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
6372 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
6375 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6377 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
6379 (output_move_const_into_data_reg, output_move_simode_const): Delete.
6380 * config/m68k/m68k.c (const_method, const_int_cost): Take a
6381 HOST_WIDE_INT instead of an rtx.
6382 (m68k_rtx_costs): Update call accordingly.
6383 (output_move_const_into_data_reg): Likewise. Fix formatting.
6384 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
6386 (output_move_simode_const): Update calls after above changes.
6387 Rework to use automatic variables and predicates like MEM_P.
6388 * config/m68k/m68k.md (pushexthisi_const): Update call to
6391 2007-01-19 Dirk Mueller <dmueller@suse.de>
6393 * tree-ssa-alias.c (perform_var_substitution): Fix typo
6396 2007-01-19 Richard Guenther <rguenther@suse.de>
6398 * builtins.c (expand_builtin_cexpi): Fall back to expanding
6399 via cexp in case sincos is not available.
6401 2007-01-19 Richard Guenther <rguenther@suse.de>
6403 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
6404 * defaults.h (TARGET_HAS_SINCOS): Default to off.
6405 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
6406 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
6407 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
6408 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
6409 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
6410 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
6412 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
6414 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
6416 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
6417 (atan2xf3): Directly generate RTL pattern.
6418 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
6419 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
6420 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
6421 disable patterns for SSE math.
6422 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
6423 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
6424 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
6425 disable patterns for SSE math.
6427 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
6429 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
6431 2007-01-18 Roger Sayle <roger@eyesopen.com>
6433 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
6434 VIEW_CONVERT_EXPR to the same type as it's operand.
6436 2007-01-18 David Edelsohn <edelsohn@gnu.org>
6438 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
6439 configured for long double 128.
6441 2007-01-18 Mike Stump <mrs@apple.com>
6443 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
6446 2007-01-18 Michael Meissner <michael.meissner@amd.com>
6448 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
6451 2007-01-18 Jan Hubicka <jh@suse.cz>
6453 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
6454 greater than NUM_VOP_FREE_BUCKETS.
6456 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
6458 * tree-ssa-structalias.c: Update comments.
6459 (ptabitmap_obstack): Removed.
6461 (oldpta_obstack): Ditto.
6462 (stats): Add a few members.
6463 (struct variable_info): Remove node, complex, address_taken, and
6464 indirect_target members. Add oldsolution member.
6465 (new_var_info): Do not initialize removed members.
6466 (constraint_expr_type): Remove INCLUDES.
6467 (constraint_graph): Add size, implicit_preds, rep,
6468 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
6469 (FIRST_REF_NODE): New macro.
6470 (LAST_REF_NODE): Ditto.
6471 (FIRST_ADDR_NODE): Ditto.
6472 (find): New function.
6474 (dump_constraint): Do not handle INCLUDES.
6475 (insert_into_complex): Do not insert duplicate constraints.
6476 (condense_varmap_nodes): Renamed and rewritten into ...
6477 (merge_node_constraints): This. Also fix bug in handling of
6478 offseted copy constraints.
6479 (clear_edges_for_node): No longer need to deal with preds at all,
6480 or removing associated preds/succs.
6481 (merge_graph_nodes): Deal with indirect_cycles.
6482 Don't deal with predecessors.
6483 (add_implicit_graph_edge): New function.
6484 (add_pred_graph_edge): Ditto.
6485 (add_graph_edge): Don't deal with predecessors.
6486 (build_constraint_graph): Removed.
6487 (build_pred_graph): New function.
6488 (build_succ_graph): Ditto.
6489 (struct scc_info): Removed in_component. Added roots, dfs, and
6490 node_mapping. Remove visited_index, unification_queue.
6491 (scc_visit): Deal with union-find we do now.
6492 Deal with cycles with REF nodes.
6493 (collapse_nodes): Renamed and rewritten to ...
6494 (unify_nodes): This.
6495 (process_unification_queue): Removed.
6496 (topo_visit): Cleanup
6497 (do_da_constraint): Use find.
6498 (do_sd_constraint): Ditto.
6499 (do_ds_constraint): Ditto.
6500 (do_complex_constraint): Ditto.
6501 (init_scc_info): Update for removed and added members.
6502 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
6503 (find_indirect_cycles): This.
6504 (equivalence_class): New variable.
6505 (label_visit): New function.
6506 (perform_variable_substitution): Rewritten.
6507 (free_var_substitution_info): New function.
6508 (find_equivalent_node): Ditto.
6509 (move_complex_constraints): Ditto.
6510 (eliminate_indirect_cycles): Ditto.
6511 (solve_graph): Only propagate changed bits.
6512 Use indirect cycle elimination.
6514 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
6515 (tree_id_eq): Renamed to ...
6516 (tree_vi_eq): This. Update for member change
6517 (insert_id_for_tree): Renamed and rewritten to ...
6518 (insert_vi_for_tree): This.
6519 (lookup_id_for_tree): Renamed and rewritten to ...
6520 (lookup_vi_for_tree): This.
6521 (get_id_for_tree): Renamed and rewritten to ...
6522 (get_vi_for_tree): Ditto.
6523 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
6524 (process_constraint): Don't handle INCLUDES.
6525 Remove special ADDRESSOF case.
6526 (find_func_aliases): Rewrite to use vi functions instead of id
6528 (create_function_info_for): Ditto.
6529 (create_variable_info_for): Ditto.
6530 (intra_create_variable_infos): Ditto.
6531 (merge_smts_into): Ditto.
6532 (find_what_p_points_to): Ditto.
6533 (init_base_vars): Ditto.
6534 (init_alias_vars): Ditto.
6535 (remove_preds_and_fake_succs): New function.
6536 (dump_sa_points_to_info): Dump new stats.
6537 (dump_solution_for_var): Use find.
6538 (set_used_smts): Fix formatting.
6539 (compute_points_to_sets): Updated for new functions.
6540 (ipa_pta_execute): Ditto.
6542 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6543 Richard Sandiford <richard@codesourcery.com>
6545 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
6547 * calls.c (expand_call): If the return value is a PARALLEL,
6548 extract its first member.
6549 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
6550 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
6551 use FUNCTION_EXTRA_EPILOGUE.
6552 (m68k_function_value): Return a PARALLEL if the return value
6553 is of a pointer type.
6554 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
6555 (FUNCTION_EXTRA_EPILOGUE): Remove.
6556 * config/m68k/m68k.md (D0_REG): New constant.
6558 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6560 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
6561 output a NOP for empty epilogues.
6563 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6565 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
6566 before function. Extend register save check to include all
6567 registers, not just integer ones.
6569 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6571 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
6572 (m68k_use_return_insn): ...this.
6573 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
6574 * config/m68k/m68k.c (use_return_insn): Rename to...
6575 (m68k_use_return_insn): ...this.
6576 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
6579 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6581 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
6582 nearest even, fix denormal rounding overflow.
6584 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6586 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
6587 f%$smove and f%$move.
6588 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
6589 (extendsfdf2_cf): Use fdmove instead of f%&move.
6590 (truncdfsf2_cf): Use fsmove instead of f%$smove.
6591 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
6593 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6595 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
6598 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6600 * real.h (real_format): Add a canonical_nan_lsbs_set field.
6601 (coldfire_single_format): Declare.
6602 (coldfire_double_format): Likewise.
6603 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
6604 of qnan_msb_set to determine the lower bits of a canonical
6606 (encode_ieee_double): Likewise.
6607 (encode_ieee_quad): Likewise.
6608 (ieee_single_format): Initialize canonical_nan_lsbs_set.
6609 (mips_single_format): Likewise.
6610 (ieee_double_format): Likewise.
6611 (mips_double_format): Likewise.
6612 (ieee_extended_motorola_format): Likewise.
6613 (ieee_extended_intel_96_format): Likewise.
6614 (ieee_extended_intel_128_format): Likewise.
6615 (ieee_extended_intel_96_round_53_format): Likewise.
6616 (ibm_extended_format): Likewise.
6617 (mips_extended_format): Likewise.
6618 (ieee_quad_format): Likewise.
6619 (mips_quad_format): Likewise.
6620 (vax_f_format): Likewise.
6621 (vax_d_format): Likewise.
6622 (vax_g_format): Likewise.
6623 (i370_single_format): Likewise.
6624 (i370_double_format): Likewise.
6625 (decimal_single_format): Likewise.
6626 (decimal_double_format): Likewise.
6627 (decimal_quad_format): Likewise.
6628 (c4x_single_format): Likewise.
6629 (c4x_extended_format): Likewise.
6630 (real_internal_format): Likewise.
6631 (coldfire_single_format): New real_format.
6632 (coldfire_double_format): Likewise.
6633 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
6634 canonical_nan_lsbs_set.
6635 (pdp11_d_format): Likewise.
6636 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
6637 if TARGET_COLDFIRE_CPU.
6639 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6641 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
6642 (output_call, m68k_legitimize_call_address): Declare.
6643 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
6644 parenthesees. Add support for a 'W' constraint.
6645 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
6646 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
6647 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
6648 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
6650 (override_options): Initialize them. Do not set flag_no_function_cse
6651 for TARGET_ID_SHARED_LIBRARY.
6652 (m68k_output_pic_call): Delete.
6653 (m68k_legitimize_call_address): New function.
6654 (print_operand): Remove the %o prefix. Handle the %p prefix.
6655 (output_call): New function.
6656 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
6657 target address from the GOT if symbolic jumps are not allowed.
6658 * config/m68k/m68k.md (call, general_operand): Do not set
6659 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
6660 Merge separate flag_pic and !flag_pic define_insns into...
6661 (*call, *call_value): ...these new patterns. Match the address
6662 rather than the containing MEM and require it to be a call_operand.
6663 Use output_call to generate the asm template.
6664 * config/m68k/predicates.md (const_call_operand): New predicate.
6665 (call_operand): Likewise.
6667 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6669 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
6670 (STACK_GROWS_DOWNWARD): Define to 1.
6671 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
6672 comments, emphasizing that these values are only defaults.
6673 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
6674 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
6676 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6678 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
6680 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6681 Richard Sandiford <richard@codesourcery.com>
6683 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
6684 (FP_REGNO_P): New macros.
6685 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
6686 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
6687 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
6688 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
6690 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6692 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6693 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
6695 * config/m68k/t-floatlib: New file, extracting common code from...
6696 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
6697 * config/m68k/t-uclinux: Here.
6698 * config/m68k/fpgnulib.c: Do not compile extendeed precision
6699 routines on ColdFire targets.
6701 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6703 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6704 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
6705 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
6706 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
6707 explicitly set MOTOROLA to 1.
6708 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
6710 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6711 Nathan Sidwell <nathan@codesourcery.com>
6713 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
6714 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
6715 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
6716 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
6717 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
6718 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
6719 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
6720 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
6721 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
6722 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
6723 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
6724 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
6725 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
6726 (DBX_REGISTER_NUMBER): Delete.
6727 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
6728 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
6729 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
6731 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6733 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
6734 * config/flat.h: New file.
6735 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
6737 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
6738 indirect references for -msep-data or -mid-shared-library.
6739 Do not use PC-relative code addresses either.
6740 * config/m68k/m68k.c (override_options): Restrict -fPIC error
6742 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
6743 for shared libraries and crt1.o for executables. Use crti.o and
6745 (ENDFILE_SPEC): Use crtend.o and crtn.o.
6746 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
6747 Do not add -elf2flt or -shared-lib-id options here.
6748 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
6749 Pass -shared-lib-id if -mid-shared-library, taking the library
6750 identifier from -mshared-library-id if given, otherwise
6752 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
6753 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
6754 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
6755 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
6756 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
6757 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
6759 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
6760 jump sequence for ISA A and ISA A+.
6761 (PICJUMP): Likewise.
6763 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6765 * config.gcc (m68k-*-uclinux*): Base the port on the common
6766 and m68k GNU/Linux files rather than on the generic ELF ones.
6767 * config/m68k/uclinux.h (TARGET_VERSION): Override.
6768 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
6770 2007-01-18 Julian Brown <julian@codesourcery.com>
6771 Richard Sandiford <richard@codesourcery.com>
6773 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
6774 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
6775 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
6777 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
6779 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
6781 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6783 * doc/install.texi: Document m68k-uclinuxoldabi.
6784 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
6785 * config/m68k/uclinux-oldabi.h: New file, copied from
6786 config/m68k/uclinux.h.
6788 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
6790 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
6791 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
6792 (m32r_compute_frame_size): Use unsigned for regno.
6793 (m32r_reload_lr): Use gen_frame_mem.
6795 (m32r_output_function_epilogue): Don't output the function epilogue
6797 (m32r_expand_epilogue): New.
6798 (direct_return): Return false if the function has the interrupt
6800 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
6801 * config/m32r/m32r.md (epilogue): New expander.
6802 (return_lr, return_rte): New insns.
6803 (return): Make it expander.
6804 (return_normal): New expander.
6806 2007-01-18 Josh Conner <jconner@apple.com>
6809 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
6810 support for UNLE, UNLT, UNGE, and UNGT.
6812 2007-01-18 Jan Hubicka <jh@suse.cz>
6814 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
6815 * tree-tailcall (add_virtual_phis): Likewise.
6816 (optimize_tail_call): Return TODOs.
6817 (execute_tail_calls): Return TODOs.
6818 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
6819 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
6821 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6822 Cleanup cfg using TODO.
6823 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
6824 * passes.c (execute_function_todo): When cleanup did something, remove
6826 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
6827 (make_edges): Don't cleanup_cfg.
6829 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
6831 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
6832 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
6833 operate on the top of stack.
6834 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
6835 register handling of instructions that output to the second
6837 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
6838 (move_for_stack_reg): Special-case check for dead destination
6839 stack slot for constant load of 1.0 inside UNSPEC_TAN.
6841 * config/i386/i386.md (UNSPEC_TAN): New constant.
6842 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
6843 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
6844 to correctly model move of constant 1.0 to top stack slot.
6845 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
6846 (unnamed peephole2 pattern): Remove corresponding peephole2
6847 pattern that optimizes tan insn and loading of constant 1.0.
6848 (tanxf2): Use fptanxf4_i387.
6849 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
6850 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
6851 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
6852 disable patterns for SSE math.
6853 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
6854 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
6856 2007-01-18 Dirk Mueller <dmueller@suse.de>
6857 Richard Guenther <rguenther@suse.de>
6860 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
6861 * common.opt (Warray-bounds): Add new warning option.
6862 * c-opts.c (c_common_handle_option): Define -Warray-bounds
6864 * Makefile.in: make tree-vrp.o depend on toplev.h
6865 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
6867 (check_array_refs, check_array_bounds, check_array_ref): New.
6869 2007-01-18 Jan Hubicka <jh@suse.cz>
6871 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
6872 (execute_ssa_ccp): Return flags conditionally.
6873 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
6875 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
6877 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
6879 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
6880 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
6882 * Makefile.c (GTFILES): Add cfglayout.h.
6883 * gengtype.c (open_base_files): Likewise.
6884 * cfglayout.c (cfg_layout_function_footer,
6885 cfg_layout_function_header) Reindent to make gengtype happy.
6886 * cfglayout.h (cfg_layout_function_footer,
6887 cfg_layout_function_header): Add GTY(()) marker.
6889 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
6891 2007-01-18 Ben Elliston <bje@au.ibm.com>
6893 * genautomata.c (write_automata): Include xstrerror output in the
6894 error message if writing the DFA description file fails.
6896 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
6898 * config/mips/mips-protos.h (mips_output_external): Make it
6900 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
6901 * config/mips/mips.c (irix_output_external_libcall): Likewise.
6902 (extern_list): Likewise.
6903 (extern_head): Likewise.
6904 (TARGET_ASM_FILE_END): Likewise.
6905 (mips_file_end): Likewise.
6906 (mips_output_external): Rewritten.
6908 2007-01-18 Ben Elliston <bje@au.ibm.com>
6910 * genpreds.c (write_insn_preds_c): Only write out the function
6911 body for regclass_for_constraint if we have register constraints.
6913 2007-01-17 Tom Tromey <tromey@redhat.com>
6915 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
6916 * doc/install.texi (Testing): Use sourceware.org.
6917 (Binaries): Likewise.
6918 (Specific): Likewise.
6919 * doc/contrib.texi (Contributors): Use sourceware.org.
6921 2007-01-17 Anatoly Sokolov <aesok@post.ru>
6923 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
6924 (AVR_ENHANCED): Rename to ...
6925 (AVR_HAVE_MUL): ... new.
6926 (avr_enhanced_p): Rename to ...
6927 (avr_have_mul_p): ... new.
6928 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
6929 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
6930 * config/avr/avr.c (avr_enhanced_p): Rename to ...
6931 (avr_have_mul_p): ... new.
6932 (base_arch_s): Rename 'enhanced' to 'have_mul'.
6933 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
6934 'avr_enhanced_p' and 'enhanced'.
6935 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
6936 AVR_HAVE_MUL instead of AVR_ENHANCED.
6937 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
6938 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
6939 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
6940 instead of AVR_ENHANCED.
6941 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
6942 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
6943 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
6945 2007-01-17 Ian Lance Taylor <iant@google.com>
6947 * vec.h (VEC_reserve_exact): Define.
6948 (vec_gc_p_reserve_exact): Declare.
6949 (vec_gc_o_reserve_exact): Declare.
6950 (vec_heap_p_reserve_exact): Declare.
6951 (vec_heap_o_reserve_exact): Declare.
6952 (VEC_OP (T,A,reserve_exact)): New static inline function, three
6954 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
6956 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
6957 (VEC_OP (T,A,copy)) [all versions]: Likewise.
6958 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
6959 * vec.c (calculate_allocation): Add exact parameter. Change all
6961 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
6962 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
6963 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
6964 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
6965 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
6966 (vec_heap_p_reserve_exact): New function.
6967 (vec_heap_o_reserve_exact): New function.
6969 2007-01-17 Jan Hubicka <jh@suse.cz>
6971 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
6973 2007-01-17 Eric Christopher <echristo@apple.com>
6975 * config.gcc: Support core2 processor.
6977 2007-01-16 Jan Hubicka <jh@suse.cz>
6979 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
6980 the names, just unlink the chain so we don't crash on dangling pointers
6983 2007-01-16 Jan Hubicka <jh@suse.cz>
6985 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
6986 * tree-pass.h: Reorder to make IPA passes appear toegher.
6987 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
6988 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
6989 parameters, do not call early inliner.
6990 * ipa-inline.c: Update comments. Include tree-flow.h
6991 (cgraph_decide_inlining): Do not compute inlining parameters.
6992 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
6993 be called with function context set up.
6994 (pass_ipa_inline): Remove unreachable functions before pass.
6995 (cgraph_early_inlining): Simplify assuming to be called from the
6997 (pass_early_inline): New pass.
6998 (cgraph_gate_ipa_early_inlining): New gate.
6999 (pass_ipa_early_inline): Turn into simple wrapper.
7000 (compute_inline_parameters): New function.
7001 (gate_inline_passes): New gate.
7002 (pass_inline_parameters): New pass.
7003 (apply_inline): Move here from tree-optimize.c
7004 (pass_apply_inline): New pass.
7005 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
7007 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
7009 (tree_function_versioning): Do not allocate dummy struct function.
7010 * tree-inline.h (optimize_inline_calls): Update prototype.
7011 * tree-optimize.c (execute_fixup_cfg): Export.
7012 (pass_fixup_cfg): Remove
7013 (tree_rest_of_compilation): Do not apply inlines.
7014 * tree-flow.h (execute_fixup_cfg): Declare.
7015 * Makefile.in (gt-passes.c): New.
7016 * passes.c: Include gt-passes.h
7017 (init_optimization_passes): New passes.
7018 (nnodes, order): New static vars.
7019 (do_per_function_toporder): New function.
7020 (execute_one_pass): Dump current pass here.
7021 (execute_ipa_pass_list): Don't dump current pass here.
7023 2007-01-16 Janis Johnson <janis187@us.ibm.com>
7025 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
7026 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
7028 2007-01-16 David Edelsohn <edelsohn@gnu.org>
7030 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
7031 (strong_alias): Define.
7032 (__gcc_qmul): Provide non-FMA for soft-float.
7038 (__gcc_qunord): New.
7048 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
7049 soft-float functions.
7050 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
7051 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
7052 about long double soft float.
7054 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
7055 Tehila Meyzels <tehila@il.ibm.com>
7057 * tree-vectorizer.h (is_pattern_stmt_p): New.
7058 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
7059 formatting (tabs instead of spaces). Cleanup and clarify setting
7060 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
7061 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
7062 (vectorizable_type_demotion): Check that types are integral.
7063 (vectorizable_type_promotion): Likewise.
7064 (vectorizable_store): Fix typo. Eliminate new-line at end of
7067 2007-01-16 Jan Hubicka <jh@suse.cz>
7069 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
7072 2007-01-15 Eric Christopher <echristo@apple.com>
7074 * ifcvt.c: Include vec.h, vecprim.h.
7075 (check_cond_move_block): New argument regs.
7076 Reorganize. Add registers used to regs.
7077 (cond_move_process_if_block): Use regs set above as
7080 2007-01-15 Eric Christopher <echristo@apple.com>
7082 * config/darwin.h: Update copyright.
7083 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
7084 (LINK_COMMAND_SPEC): Add -u.
7085 (LINK_SPEC): Fix umbrella for above.
7087 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
7089 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
7092 2007-01-15 Tom Tromey <tromey@redhat.com>
7094 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
7095 * doc/install.texi (Testing): Don't mention jacks.
7096 (Configuration): Document --enable-java-maintainer-mode. Move
7097 --with-java-home to libgcj-specific section. Document
7099 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
7101 2007-01-15 Jan Hubicka <jh@suse.cz>
7103 * tree-ssa-dce.c (DCE_TODOs): New.
7104 (propagate_necessity): Return if something changed.
7105 (eliminate_unnecessary_stmts): Likewise.
7106 (perform_tree_ssa_dce): Return TODO flags when needed.
7107 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
7109 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
7111 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
7112 (fyl2x_extend<mode>xf3_i387): New insn pattern.
7113 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
7114 patterns using X87MODEF12 mode macro. Extend operand 1
7115 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
7116 (log10<mode>2): Ditto.
7117 (log2<mode>2): Ditto.
7118 (log1p<mode>2): Ditto.
7119 (logb<mode>2): Ditto.
7120 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
7121 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
7122 (*fxtractxf3_i387): Rename from *fxtractxf3.
7123 (fxtract_extend<mode>xf3_i387): New insn pattern.
7124 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
7125 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
7126 and gen_fyl2xxf3_i387().
7128 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7130 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
7131 * cfgloopmanip.c (fix_loop_placement): Made static. Use
7132 get_loop_exit_edges. Changed return type to bool.
7133 * cfgloop.h (fix_loop_placement): Declaration removed.
7135 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
7137 * param.h (MIN_VECT_LOOP_BOUND): New.
7138 * params.def (MIN_VECT_LOOP_BOUND): New.
7139 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
7140 argument - minimum threshold for number of iterations.
7141 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
7142 argument to declaration.
7143 * tree-vect-analyze.c (vect_analyze_operations): Check value of
7144 MIN_VECT_LOOP_BOUND.
7145 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
7146 slpeel_tree_peel_loop_to_edge with additional argument.
7147 (vect_do_peeling_for_alignment): Likewise.
7148 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
7150 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
7153 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
7156 2007-01-14 Jan Hubicka <jh@suse.cz>
7158 * tree-dfa.c (remove_referenced_var): New function.
7159 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
7160 prune referenced vars list too.
7161 * tree-flow.h (remove_referenced_var): Declare.
7163 2007-01-14 Jan Hubicka <jh@suse.cz>
7165 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
7167 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
7168 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
7169 * except.h (verify_eh_throw_table_statements): Kill prototype.
7170 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
7171 into call exrepssions.
7172 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
7174 * tree-cfg.c: Include pointer-set.h.
7175 (verify_node_sharing): Work on pointer set.
7176 (verify_eh_throw_stmt_node): New.
7177 (verify_stmts): Use pointers sets, verify throw_stmt.
7179 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
7181 * ipa-reference.c (analyze_function): Consider also addresses taken
7184 2007-01-12 Roger Sayle <roger@eyesopen.com>
7186 * c-typeck.c (null_pointer_constant_p): Replace use of
7187 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7188 (build_c_cast): Likewise.
7190 2007-01-12 Roger Sayle <roger@eyesopen.com>
7192 * tree.h (force_fit_type_double): Remove unused final argument.
7193 * c-common.c (constant_expression_warning): Replace use of
7194 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7195 (convert_and_check): Likewise.
7196 (shorten_compare): Update call to force_fit_type_double.
7197 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
7198 * convert.c (convert_to_pointer): Update call to
7199 force_fit_type_double.
7200 * fold-const.c (force_fit_type_double): Remove overflowed_const
7202 (int_const_binop, fold_convert_const_int_from_int,
7203 fold_convert_const_int_from_real, fold_div_compare,
7204 fold_sign_changed_comparison, fold_unary, fold_negate_const,
7205 fold_abs_const, fold_not_const): Remove the final argument from
7206 calls to force_fit_type_double.
7208 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
7210 * configure.ac: Set insn to "nop" for spu-*-* also.
7211 * configure: Regenerate.
7213 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
7215 * builtins.def : Add BUILT_IN_FREE.
7217 2007-01-12 Jan Hubicka <jh@suse.cz>
7219 PR tree-optimization/30443
7220 * tree-inline.c (tree_function_versioning): Do not optimize when
7221 cloning for inlining.
7223 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
7225 * doc/loop.texi: Document recording of loop exits.
7226 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
7227 (update_single_exits_after_duplication,
7228 update_single_exit_for_duplicated_loop,
7229 update_single_exit_for_duplicated_loops): Removed.
7230 (duplicate_loop_to_header_edge): Do not call
7231 update_single_exits_after_duplication and
7232 update_single_exit_for_duplicated_loops.
7233 (loop_version): Do not update single_exit information.
7234 (fix_loop_structure): Use record_loop_exits instead of
7235 mark_single_exit_loops.
7236 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
7237 the lists of loop exits.
7238 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
7239 split_edge, merge_blocks): Update the lists of loop exits.
7240 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
7241 loop_optimizer_init.
7242 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
7243 of mark_single_exit_loops.
7244 (loop_optimizer_finalize): Call release_recorded_exits.
7245 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
7246 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
7247 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
7248 update single exit information.
7249 * lambda-code.c (perfect_nestify): Ditto.
7250 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
7251 (mark_single_exit_loops): Removed.
7252 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
7253 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
7254 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
7256 (get_loop_exit_edges, single_exit): Use recorded exit lists.
7257 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
7258 (verify_loop_structure): Verify consistency of the exit lists.
7259 (flow_loops_find): Use alloc_loop. Initialize exits hash.
7260 (set_single_exit): Removed.
7261 * cfgloop.h (struct loop_exit): New function.
7262 (struct loop): single_exit_ field replaced by exits field.
7263 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
7264 (struct loops): Added exits hash.
7265 (mark_single_exit_loops, set_single_exit): Declaration removed.
7266 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
7268 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7270 * doc/invoke.texi: Avoid use of @headitem.
7272 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7274 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
7276 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7278 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
7281 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
7282 Richard Sandiford <richard@codesourcery.com>
7284 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
7285 * config/m68k/m68k.opt: Resort options.
7286 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
7288 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
7289 Richard Sandiford <richard@codesourcery.com>
7291 * doc/invoke.texi: Document the macros that are defined by
7292 m68k's -mtune and -mhard-float options.
7293 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
7294 (m68k_cpp_cpu_family): Likewise.
7295 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
7296 of __ucfv*__ macros. Define __mcffpu__ if generating code for
7297 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
7298 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
7299 (m68k_cpp_cpu_family): Likewise.
7301 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7303 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
7304 macros besides mc68000 as tuning macros. Use a switch statement
7305 to set them and mcpu32.
7307 2007-01-12 Julian Brown <julian@codesourcery.com>
7309 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
7310 (TARGET_68040_ONLY): Rename to...
7311 (TARGET_68040): ...this.
7312 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
7313 * config/m68k/m68k.md: Likewise.
7315 2007-01-12 Julian Brown <julian@codesourcery.com>
7316 Nathan Sidwell <nathan@codesourcery.com>
7317 Richard Sandiford <richard@codesourcery.com>
7319 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
7320 the -mcpu= argument associated with the --with-cpu setting.
7321 Define M68K_DEFAULT_TUNE to the default -mtune= option,
7322 if different from the one implied by the -mcpu setting.
7323 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
7324 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
7325 * doc/invoke.texi: Mention ColdFire in the introduction to the
7326 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
7327 -mno-div and -mhard-float options. Make -m68881 a synonym for
7328 -mhard-float. Document the previously-undocumented -m5206e,
7329 -m528x, -m5307 and -m5407 options. Tweak the existing option
7330 documentation for consistency.
7331 * doc/install.texi: Mention new --with-cpu arguments.
7332 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
7333 default CPU if neither -mcpu nor -march are specified.
7334 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
7335 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
7336 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
7337 using m68k_tune to decide between families that implement the
7338 same ISA. Use m68k_tune to set __mcfv4e__.
7339 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
7340 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
7341 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
7342 (FL_ISA_C, FL_ISA_MMU): New macros.
7343 (MASK_COLDFIRE): Delete.
7344 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
7345 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
7346 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
7347 (TARGET_HARD_FLOAT): Do not define here.
7348 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
7349 (TUNE_68000): New macro.
7350 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
7351 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
7352 (TUNE_CFV2): Redefine in terms of m68k_tune.
7353 (uarch_type, target_device, fpu_type): New enums.
7354 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
7355 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
7356 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
7357 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
7358 (FL_FOR_isa_c): New macros.
7359 (m68k_isa): New enum.
7360 (m68k_target_selection): New structure.
7361 (all_devices, all_isas, all_microarchs): New tables.
7362 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
7363 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
7364 (MASK_ALL_CPU_BITS): Delete.
7365 (m68k_find_selection): New function.
7366 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
7367 Map the legacy target options to a combination of the new ones.
7368 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
7369 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
7370 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
7372 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
7373 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
7375 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
7376 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
7377 * config/m68k/m68k-devices.def: New file.
7379 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7380 Nathan Sidwell <nathan@codesourcery.com>
7382 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
7383 (SUBTARGET_EXTRA_SPECS): New macros.
7384 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
7385 use %(asm_cpu_spec) instead.
7386 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
7387 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
7388 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
7389 (EXTRA_SPECS): Rename to...
7390 (SUBTARGET_EXTRA_SPECS): ...this.
7392 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
7393 Richard Sandiford <richard@codesourcery.com>
7394 Julian Brown <julian@codesourcery.com>
7396 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7397 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
7398 to the configuration's default CPU.
7399 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
7400 Remove default masks.
7401 (m680[012]0-*-*): Set the default with_cpu to the first part of
7403 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
7404 (m68k*-*-linux): Extend the --with-cpu handling to...
7405 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
7406 and m68010. Don't set target_cpu_default2.
7407 * doc/install.texi: Document --with-cpu for m68k.
7408 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
7409 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
7410 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
7411 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
7412 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
7413 (ASM_SPEC): Remove use of %(asm_cpu_default).
7414 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
7415 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
7416 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
7417 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
7418 __HAVE_FPU__ if TARGET_HARD_FLOAT.
7419 (TARGET_DEFAULT): Delete.
7420 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
7421 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
7422 (CPP_CPU_SPEC): Delete.
7423 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
7424 the appropriate string.
7425 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
7426 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
7427 (ASM_SPEC): Don't use %(asm_default_spec).
7428 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7429 TARGET_DEFAULT and add MASK_68881.
7430 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
7432 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7434 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
7435 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
7436 MASK_68010 alongside MASK_68020.
7437 * doc/invoke.texi: Document -m68010.
7438 * config/m68k/m68k.opt (m68010): New.
7439 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
7441 (TUNE_68010): New macro.
7442 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
7443 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
7444 (M68K_CPU_m68332): Add MASK_68010.
7445 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
7446 fallback definition.
7447 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
7449 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
7450 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
7451 to all entries that use MASK_68020.
7452 (output_move_simode_const, output_move_himode, output_move_qimode)
7453 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
7454 instead of TARGET_68020 to select clr behavior. Remove comment
7455 about there being no TARGET_68010.
7456 * config/m68k/m68k.md: Likewise throughout.
7458 2007-01-12 Julian Brown <julian@codesourcery.com>
7460 * config/m68k/m68k.h (TARGET_ISAB): New macro.
7461 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
7462 * config/m68k/m68k.md: Likewise.
7464 2007-01-12 Julian Brown <julian@codesourcery.com>
7466 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
7467 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
7469 2007-01-12 Julian Brown <julian@codesourcery.com>
7471 * config/m68k/m68k.h (TUNE_68040_60): New macro.
7472 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
7473 * config/m68k/m68k.md: Likewise.
7475 2007-01-12 Julian Brown <julian@codesourcery.com>
7476 Richard Sandiford <richard@codesourcery.com>
7478 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
7479 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
7480 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
7482 (TARGET_CPU32): Rename to...
7483 (TUNE_CPU32): ...this.
7484 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
7485 (TUNE_CFV2): New macros.
7486 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
7487 remove conditions that are implied by TARGET_68020.
7488 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
7489 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
7490 (m68k_output_function_epilogue): Likewise.
7491 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
7492 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
7493 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
7494 non-68000 timings. Refactor multiplication and division costs.
7495 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
7496 TUNE_CPU32 instead of TARGET_CPU32.
7497 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
7498 and TUNE_68060 instead of TARGET_68060.
7499 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
7500 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
7502 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
7503 && !TARGET_COLDFIRE" to choose between moveq and clr.
7504 Likewise in the unnamed movsf pattern.
7505 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
7506 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
7509 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7511 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
7512 of tabbing before backslashes.
7514 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7516 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
7517 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
7518 (ASM_OUTPUT_INTERNAL_LABEL): Define.
7520 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7522 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
7523 find_interesting_uses_cond.
7524 (find_interesting_uses_cond): Use extract_cond_operands.
7525 (rewrite_use_compare): Use extract_cond_operands and
7526 force_gimple_operand_bsi. Do not call update_stmt.
7527 (determine_use_iv_cost_condition): Use extract_cond_operands.
7528 Return cheaper of using original bound and changing the exit bound.
7530 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7532 PR tree-optimization/29516
7533 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
7534 most_expensive_mult_to_index, addr_to_parts,
7535 create_mem_ref, maybe_fold_tmr): Make the type of
7536 fields of TARGET_MEM_REF sizetype.
7537 (move_fixed_address_to_symbol, move_pointer_to_base):
7539 * tree.def (TARGET_MEM_REF): Add comment on types of
7542 2007-01-11 Joseph Myers <joseph@codesourcery.com>
7544 * c-common.c (vector_types_convertible_p): Treat opaque types as
7545 always convertible if they have the same size, but not otherwise.
7547 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
7549 * ifcvt.c (struct noce_if_info): Add comments to the fields.
7550 Remove the b_unconditional field.
7551 (noce_try_sign_mask): Do not look at b_unconditional.
7552 (noce_process_if_block): Do not use merge_if_blocks. Update
7553 the CFG here. Do not set b_unconditional.
7554 (cond_move_process_if_block): Likewise.
7555 (find_cond_trap): Likewise.
7556 (check_cond_move_block): Require simple jump insns at the end
7559 2007-01-11 Jan Hubicka <jh@suse.cz>
7561 PR tree-optimization/1046
7562 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
7563 when alias info is not ready.
7564 (pass_tail_recursion): Do not require aliasing.
7565 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
7566 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
7567 * tree-ssa-copy.c (pass_copy_prop): Likewise.
7568 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
7569 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
7570 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
7571 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
7573 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
7574 When aliasing is not build, mark statement as volatile.
7576 2007-01-11 Tom Tromey <tromey@redhat.com>
7578 PR preprocessor/15185, PR preprocessor/20989:
7579 * doc/cppopts.texi <-MT>: Update description of algorithm for
7580 computing default target.
7581 <-M, -MD>: Reword "basename" text.
7583 2007-01-11 Roger Sayle <roger@eyesopen.com>
7585 * builtins.c (expand_builtin_pow, expand_builtin_powi,
7586 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
7587 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
7588 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
7589 fold_builtin_bswap, real_constp, fold_builtin_pow,
7590 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
7591 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
7592 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7593 * convert.c (convert_to_pointer): Likewise.
7594 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
7595 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
7596 const_binop, fold_convert_const_int_from_int,
7597 fold_convert_const_int_from_real,
7598 fold_convert_const_real_from_real, sign_bit_p,
7599 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
7600 fold_sign_changed_comparison, fold_unary, fold_comparison,
7601 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
7602 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
7603 * print-tree.c (print_node_brief, print_node): Likewise.
7604 * stor-layout.c (place_field, layout_type): Likewise.
7605 * tree-chrec.c (keep_cast): Likewise.
7606 * tree.c (build_vector, build_real, build_real_from_int_cst,
7607 build_complex): Likewise.
7609 2007-01-11 Roger Sayle <roger@eyesopen.com>
7611 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
7612 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
7614 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
7616 * configure.ac (strict1_warn): Rename to strict_warn.
7617 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
7618 cc_set_by_configure, quoted_cc_set_by_configure,
7619 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
7620 all_boot_languages, all_stagestuff): Remove.
7621 (target_list): Remove bootstrap targets.
7622 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
7623 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
7624 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
7625 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
7626 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
7627 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
7628 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
7629 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
7630 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
7631 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
7632 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
7633 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
7634 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
7635 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
7636 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
7637 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
7638 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
7639 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
7640 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
7641 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
7642 (mostlyclean): Adjust.
7643 (clean, distclean): Don't mention bootstrap stuff.
7644 * configure: Regenerate.
7645 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
7646 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
7647 treelang/config-lang.in (stagestuff): Remove.
7648 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
7649 stageprofile, stagefeedback, stagestuff): Remove mention.
7651 2007-01-11 Nick Clifton <nickc@redhat.com>
7653 * config/mcore/predicates.md (mcore_general_movesrc_operand):
7655 (mcore_general_movdst_operand): Do not accept CONST_INTs.
7656 (mcore_arith_K_S_operand): Run the test for the S constraint not
7657 the test for the M constraint.
7658 (mcore_addsub_operand): Do not accept integer values that are
7659 larger than 32 bits.
7660 * config/mcore/mcore.md: Remove unused constraints from split.
7661 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
7663 (allocate_stack): Likewise.
7664 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
7665 operands to 32 bits.
7666 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
7668 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
7669 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
7670 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
7671 mcore_output_bclri, mcore_output_andn, output_inline_const,
7672 mcore_output_move, mcore_output_movedouble): Likewise.
7673 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
7674 (output_inline_const): Likewise.
7675 (output_inline_const): Fix format strings used in sprintf
7677 * config/mcore/mcore-protos.h: Update prototypes for changed
7678 functions in mcore.c.
7679 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
7680 HOST_WIDE_INT and not int.
7681 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
7682 CONST_OK_FOR_N): Likewise.
7683 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
7684 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
7687 2007-01-10 Jan Hubicka <jh@suse.cz>
7689 * tree-vrp.c (remove_range_assertions): Release defs.
7690 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
7691 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
7693 2007-01-10 Paul Brook <paul@codesourcery.com>
7695 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
7696 * config/arm/arm.md (mulsi3subsi): New insn.
7698 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
7700 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
7701 (tree_transform_and_unroll_loop): New.
7702 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
7705 2007-01-10 Robert Kennedy <jimbob@google.com>
7707 * fold-const.c (fold_comparison): Fold comparisons like (x *
7708 1000 < 0) to (x < 0).
7710 2007-01-10 Ian Lance Taylor <iant@google.com>
7712 * tree-pretty-print.c (dump_generic_node): Print parentheses when
7713 operands have the same priority.
7715 2007-01-10 Tom Tromey <tromey@redhat.com>
7717 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
7718 (fold_binary): Likewise.
7719 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
7720 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
7721 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
7722 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
7723 * langhooks.h (struct lang_hooks): Removed field
7724 'can_use_bit_fields_p'.
7726 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
7728 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
7730 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
7732 * function.c (get_last_funcdef_no): New function.
7733 * function.h (get_last_funcdef_no): Declare.
7734 * tree-inline.c (initialize_cfun): Add initialization.
7735 (tree_function_versioning): Cleanup.
7737 2007-01-10 Jan Hubicka <jh@suse.cz>
7739 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
7742 2007-01-10 Sa Liu <saliu@de.ibm.com>
7743 Ben Elliston <bje@au.ibm.com>
7745 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
7746 for SAVE_NONLOCAL and Pmode for any other save level.
7747 * spu-protos.h (spu_restore_stack_block): Declare.
7748 * spu.md (save_stack_block): Remove.
7749 (restore_stack_block): Call spu_restore_stack_block.
7750 * spu.c (spu_restore_stack_block): New function.
7751 (spu_expand_epilogue): Remove old comment.
7753 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
7755 PR tree-optimization/30322
7756 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
7757 (cand_value_at): Return the value as aff_tree.
7758 (may_eliminate_iv): Convert the bound from aff_tree to tree.
7759 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
7760 aff_combination_mult): New functions.
7761 (aff_combination_add): Use aff_combination_add_cst.
7762 (aff_combination_convert): Allow conversions to a wider type.
7763 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
7764 * tree-affine.h (aff_combination_mult): Declare.
7766 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
7768 * doc/tm.texi: Update documentation to reflect reality of exec
7769 and start file search behaviours. Update copyright year.
7770 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
7771 header file directories.
7773 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
7775 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
7776 (*cosxf2): Rename to cosxf2_i387.
7777 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
7778 using X87MODEF12 mode macro. Rename patterns to
7779 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
7781 (*cosdf2, *cossf2): Ditto.
7782 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
7783 to match extended input operands.
7784 (sincos<mode>3): New expander.
7785 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
7786 insn patterns and corresponding splitters.
7788 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
7790 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
7791 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
7793 2007-01-09 Nicolas Pitre <nico@cam.org>
7796 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
7798 2007-01-08 Geoffrey Keating <geoffk@apple.com>
7800 * target.h (struct gcc_target): New field library_rtti_comdat.
7801 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
7802 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
7803 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
7804 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
7806 2007-01-08 Geoffrey Keating <geoffk@apple.com>
7808 * doc/invoke.texi (Optimize Options): Correct description of -O0.
7810 2007-01-08 Richard Guenther <rguenther@suse.de>
7812 * tree.h (force_fit_type_double): Export.
7813 (force_fit_type): Remove.
7814 * fold-const.c (force_fit_type_double): New function.
7815 (force_fit_type): Remove.
7816 (int_const_binop): Use it.
7817 (fold_convert_const_int_from_int): Likewise.
7818 (fold_convert_const_int_from_real): Likewise.
7819 (fold_div_compare): Likewise.
7820 (fold_sign_changed_comparison): Likewise.
7821 (fold_unary): Likewise.
7822 (fold_negate_const): Likewise.
7823 (fold_abs_const): Likewise.
7824 (fold_not_const): Likewise.
7825 * c-common.c (shorten_compare): Use force_fit_type_double.
7826 * convert.c (convert_to_pointer): Likewise.
7828 2007-01-08 Richard Guenther <rguenther@suse.de>
7830 * tree.h (build_int_cst_wide_type): Export.
7831 * tree.c (build_int_cst_wide_type): New function.
7832 (build_int_cst_wide): Fix comment.
7833 * builtins.c (fold_builtin_object_size): Use build_int_cst
7834 to build -1 or 0 of the correct type. Use fit_double_type
7835 to check for overflow.
7836 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
7838 (decode_field_reference): Likewise.
7839 (all_ones_mask_p): Likewise.
7840 (native_interpret_int): Use build_int_cst_wide_type.
7841 (fold_binary): Use build_int_cst_type to build an all-ones
7843 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
7845 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
7847 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
7849 2007-01-09 Ben Elliston <bje@au.ibm.com>
7851 * genautomata.c (STATS_OPTION): New option.
7852 (stats_flag): New flag.
7853 (gen_automata_option): Handle it.
7854 (initiate_automaton_gen): Ditto.
7855 (write_automata): Output statistics only if stats_flag is
7856 set. Likewise, output time statistics only if time_flag is set.
7857 * doc/md.texi (Processor pipeline description): Document new flag.
7859 2007-01-08 Richard Guenther <rguenther@suse.de>
7861 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
7862 * tree.c (build_int_cst_type): Likewise.
7863 (size_in_bytes): Don't call force_fit_type on the result.
7864 (int_fits_type_p): Use fit_double_type.
7865 * fold-const.c (fit_double_type): New function.
7866 (force_fit_type): Use it.
7867 * tree.h (fit_double_type): Export.
7869 2007-01-08 Jan Hubicka <jh@suse.cz>
7871 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
7872 * ipa.c (function_and_variable_visibility): Fix return type.
7874 2007-01-08 Richard Guenther <rguenther@suse.de>
7876 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
7877 of offset to build the index.
7878 * tree-pretty-print.c (dump_generic_node): Don't build negated
7879 const just for printing.
7880 * c-pretty-print.c (pp_c_integer_constant): Likewise.
7881 * builtins.c (fold_builtin_int_roundingfn): Check if result
7882 fits the type by using force_fit_type and comparing the result.
7883 * predict.c (predict_loops): Use compare_tree_int for comparison.
7884 * tree.c (build_int_cst): Fall back to integer_type_node for
7886 (build_int_cst_wide): Assert type is non-null.
7888 2007-01-08 Roberto Costa <roberto.costa@st.com>
7890 * tree-vrp.c (extract_range_from_cond_expr): New.
7891 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
7892 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
7894 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
7895 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
7896 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
7897 used as expressions.
7898 * tree-object-size.c (cond_expr_object_size): New.
7899 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
7901 2007-01-08 Jan Hubicka <jh@suse.cz>
7903 * tree-ssa-forwprop.c (forward_propagate_into_cond,
7904 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
7907 2007-01-08 Richard Guenther <rguenther@suse.de>
7909 PR tree-optimization/23603
7910 * tree-vrp.c (set_value_range_to_truthvalue): New function.
7911 (extract_range_from_binary): Fall back to truthvalue instead of
7912 varying for TRUTH_*_EXPR.
7913 (extract_range_from_comparison): Fall back to truthvalue instead of
7915 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
7916 if all visited PHI values were constant.
7918 2007-01-08 Jan Hubicka <jh@suse.cz>
7920 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
7921 (cgraph_analyze_function): break out from ...
7922 (cgraph_finalize_compilation_unit): ... here.
7923 (cgraph_expand_function): Remove forgoten commented out line.
7924 (cgraph_optimize): Analyze functions.
7926 2007-01-08 Jan Hubicka <jh@suse.cz>
7928 * tree-pas.h (TODO_remove_function): New flag.
7929 (TODO_update*): Renumber.
7930 (pass_ipa_increase_alignment,
7931 pass_ipa_function_and_variable_visibility): New passes.
7932 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
7933 (cgraph_function_and_variable_visibility): Move to ipa.c
7934 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
7935 cgraph_increase_alignment.
7936 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
7937 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
7938 calling tree-inline.
7939 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
7940 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
7941 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
7942 (gate_increase_alignment): New function.
7943 (pass_ipa_increase_alignment): New pass.
7944 * ipa.c: Inline tree-pass.h and timevar.h
7945 (function_and_variable_visibility): Move here from cgraphunit.c
7946 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
7947 * passes.c (init_optimization_passes): Add the two new passes.
7948 (execute_todo): Handle cgraph_remove_functions.
7950 2007-01-08 Nick Clifton <nickc@redhat.com>
7952 * config/frv/predicates.md (reg_or_0_operand): Accept
7955 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
7957 * config/bfin/rtems.h, config/bfin/t-rtems: New.
7958 * config.gcc: Add bfin*-rtems*.
7960 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
7962 * c.opt: Add -flax-vector-conversions.
7963 * c-typeck.c (convert_for_assignment): Pass flag to
7964 vector_types_convertible_p to allow emission of note.
7965 (digest_init): Likewise.
7966 * c-opts.c: Handle -flax-vector-conversions.
7967 * c-common.c (flag_lax_vector_conversions): New.
7968 (vector_types_convertible_p): Unless -flax-vector conversions
7969 has been passed, disallow conversions between vectors with
7970 differing numbers of subparts and/or element types. If such
7971 a conversion is disallowed, possibly emit a note on the first
7972 occasion only to inform the user of -flax-vector-conversions.
7973 The new last argument specifies this.
7974 * c-common.h (flag_lax_vector_conversions): New.
7975 (vector_types_convertible_p): Add extra argument.
7976 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
7977 char_type_node for V*QI type vectors.
7978 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
7979 Update to satisfy new typechecking rules.
7980 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
7982 * doc/invoke.texi (C Dialect Options): Document
7983 -flax-vector-conversions.
7985 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
7987 PR tree-optimization/29877
7988 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
7989 a register variable on the RHS to not be replaceable.
7991 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
7992 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
7993 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
7994 const_simm15, const_pow2, const_npow2): Added.
7995 * config/score/misc.md (insv, extv, extzv, movmemsi,
7996 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
7997 * config/score/score.c (score_address_cost, score_select_cc_mode):
7999 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
8000 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
8001 Update score_print_operand.
8002 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
8003 Adjust register allocate order and update some macro define.
8004 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
8005 mdx_block_move_straight, mdx_block_move_loop_head,
8006 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
8007 mdx_block_move): Added.
8008 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
8009 mdp_limm): Updated and fix some bug and typo.
8010 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
8011 (movsf, movdf, doloop_end): Added.
8013 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
8015 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
8016 config/arm/thumb2.md: Fix comment typos.
8017 * doc/extend.texi: Fix a typo.
8019 2007-01-07 Eric Christopher <echristo@apple.com>
8021 * configure.ac: Check for __stack_chk_fail for darwin.
8022 * configure: Regenerate.
8024 2007-01-07 Richard Guenther <rguenther@suse.de>
8026 * tree-vrp.c (extract_range_from_assert): CSE calls to
8027 compare_values where possible.
8028 (extract_range_from_unary_expr): Likewise.
8030 2007-01-07 Anatoly Sokolov <aesok@post.ru>
8032 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
8033 * config/avr/avr.c (call_insn_operand): Delete function.
8034 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
8035 instead of register number. Use predicates.
8036 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
8037 call_insn_operand): Add.
8039 2007-01-06 Jan Hubicka <jh@suse.cz>
8041 * tree-pass.h (pass_build_cgraph_edges): Declare.
8042 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
8043 (visited_nodes): Remove.
8044 (cgraph_create_edges): Move to cgraphbuild.c; rename to
8045 build_cgrpah_edges; make visited_nodes local.
8046 (cgraph_process_new_functions): DO not call initialize_inline_failed.
8047 (record_references_in_initializer): Move to cgraphbuild.c
8048 (initialize_inline_failed, rebuild_cgraph_edges,
8049 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
8050 (verify_cgraph_node): Make visited_nodes local.
8051 (cgraph_analyze_function): Do not call cgraph_create_edges and
8052 initialize_inline_failed.
8053 (cgraph_expand_function): Do not call cgraph_lower_function;
8054 assert that function is already lowered.
8055 * Makefile.in (cgraphbuild.o): New.
8056 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
8057 at the end of lowering passes.
8059 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
8061 * ifcvt.c (cond_move_convert_if_block): New function, code
8062 factored out from...
8063 (cond_move_process_if_block): ...here. Call the new function
8064 on the THEN and ELSE blocks.
8065 (merge_if_block): Do not copy global_live_at_end, merge_blocks
8066 already takes care of this.
8068 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8071 * tree.h (TREE_OVERFLOW_P): New.
8072 * c-typeck.c (parser_build_unary_op): Warn only if result
8073 overflowed and operands did not.
8074 (parser_build_binary_op): Likewise.
8075 (convert_for_assignment): Remove redundant overflow_warning.
8076 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
8078 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8080 * c-typeck.c (store_init_value): Split over two lines to follow
8081 the GNU coding style.
8083 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
8085 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
8086 __GXX_EXPERIMENTAL_CXX0X__.
8087 * doc/cpp.texi: Same.
8089 2007-01-05 Richard Guenther <rguenther@suse.de>
8092 * tree.c (get_narrower): Do not construct COMPONENT_REFs
8093 with mismatched types. Instead explicitly build a
8094 conversion NOP_EXPR.
8096 2007-01-05 Ian Lance Taylor <iant@google.com>
8098 * c-common.c (decl_with_nonnull_addr_p): New function.
8099 (c_common_truthvalue_conversion): Call it.
8100 * c-typeck.c (build_binary_op): Likewise.
8101 * c-common.h (decl_with_nonnull_addr_p): Declare.
8103 2007-01-05 Jakub Jelinek <jakub@redhat.com>
8106 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
8109 2007-01-05 Joel Brobecker <brobecker@adacore.com>
8111 * doc/install.texi (Final install): Document the fact that
8112 the GNAT runtime should not be stripped.
8114 2007-01-04 Jan Hubicka <jh@suse.cz>
8116 * tree-inline.c (fold_marked_statements): Update operand caches
8117 and EH after folding
8119 2007-01-04 Ian Lance Taylor <iant@google.com>
8121 * c-common.c (check_function_nonnull): Whitespace fix.
8123 2007-01-04 Jan Hubicka <jh@suse.cz>
8125 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
8126 comitted older version of patch.
8127 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
8128 function, celanup cfg and collect garbage.
8130 2007-01-04 Mike Stump <mrs@apple.com>
8132 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
8135 2007-01-04 Eric Christopher <echristo@apple.com>
8137 * libgcc2.c (__bswapsi2): Use SItype.
8138 (__bswapdi2): Use DItype.
8139 * libgcc2.h: Update for above.
8141 2007-01-04 Paul Brook <paul@codesourcery.com>
8143 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
8144 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
8145 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
8146 umulsidi3, umulsidi3adddi, smulsi3_highpart,
8147 umulsi3_highpart): Make conditional on !arm_arch6.
8148 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
8149 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
8150 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
8151 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
8152 umulsi3_highpart_v6): New insns.
8154 2007-01-04 Roger Sayle <roger@eyesopen.com>
8156 * fold-const.c (fold_convert): When casting an expression to void,
8157 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
8158 have a type. Instead of attempting to build a NOP_EXPR, return
8159 these "special" trees directly.
8161 2007-01-04 Joseph Myers <joseph@codesourcery.com>
8163 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
8164 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
8165 rs6000_cost->fp not 0 as adjustment for outer NEG.
8167 2007-01-04 Jan Hubicka <jh@suse.cz>
8169 * cgraph.c (cgraph_release_function_body): New function.
8170 (cgraph_remove_node): Use it.
8171 * cgraph.h (cgraph_release_function_body): Declare.
8172 * cgraphunit.c (cgraph_expand_function): Use it.
8173 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
8174 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
8175 is initialized and while compilation of other function is running.
8176 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
8177 statement CFG annotations from here to ...
8178 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
8180 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
8182 * cfgloop.h (enum li_flags): Make the constants powers of two.
8184 2007-01-04 Jan Hubicka <jh@suse.cz>
8186 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
8188 (fold_marked_statements): New function.
8189 (optimize_inline_calls, tree_function_versioning): Fold new statements.
8190 * tree-inline.h (copy_body_data): Add statements_to_fold.
8192 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
8194 * config.gcc: Mention libgcc/config.host.
8195 * Makefile.in: Update comments mentioning libgcc.
8196 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
8197 (all.cross, start.encap, rest.encap, rest.cross): Update
8198 dependencies for libgcc move.
8199 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
8200 (clean-target, clean-target-libgcc): Delete.
8201 (srcdirify, GCC_EXTRA_PARTS): New macros.
8202 (libgcc-support, libgcc.mvars): New rules.
8203 (distclean): Remove mention of mklibgcc.
8204 (install): Don't reference INSTALL_LIBGCC.
8205 (install-common): Don't reference EXTRA_PARTS.
8206 (install-libgcc, install-multilib): Delete rules.
8207 * mklibgcc.in: Delete file.
8208 * doc/configfiles.texi: Don't mention mklibgcc.
8210 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
8211 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
8212 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
8213 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
8214 (mklibgcc, ldblspecs): Likewise.
8216 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
8217 (posixpre.def): Use $(T).
8218 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
8219 (SHLIB_SRC, SHLIB_INSTALL): Delete.
8220 (SHLIB_LINK): Make dummy.
8221 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
8223 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
8225 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
8226 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
8227 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
8228 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
8230 * configure.ac (all_outputs): Remove mklibgcc.
8231 * configure: Regenerated.
8233 2007-01-03 Josh Conner <jconner@apple.com>
8236 * calls.c (compute_argument_addresses): Set stack and stack_slot
8237 for partial args, too.
8238 (store_one_arg): Use locate.size.constant for the size when
8239 generating a save_area.
8241 2007-01-03 Robert Kennedy <jimbob@google.com>
8243 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
8244 whose definitions are deleted due to basic block merging.
8246 2007-01-03 Paul Brook <paul@codesourcery.com>
8249 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
8251 (use_return_insn): Return 0 for Thumb interrupt functions.
8252 (print_multi_reg): Add rfe argument for IRQ returns.
8253 (arm_output_epilogue): Pop interrupt return address directly into PC.
8254 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
8256 2007-01-03 Paul Brook <paul@codesourcery.com>
8258 Merge from sourcerygxx-4_1.
8259 * config/arm/thumb2.md: New file.
8260 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
8262 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
8263 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
8264 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
8265 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
8267 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
8268 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
8270 * config/arm/ieee754-sf.S: Ditto.
8271 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
8272 (thumb1_base_register_rtx_p): ... to this.
8273 (thumb_index_register_rtx_p): Rename...
8274 (thumb1_index_register_rtx_p): ... to this.
8275 (thumb_output_function_prologue): Rename...
8276 (thumb1_output_function_prologue): ... to this.
8277 (thumb_legitimate_address_p): Rename...
8278 (thumb1_legitimate_address_p): ... to this.
8279 (thumb_rtx_costs): Rename...
8280 (thumb1_rtx_costs): ... to this.
8281 (thumb_compute_save_reg_mask): Rename...
8282 (thumb1_compute_save_reg_mask): ... to this.
8283 (thumb_final_prescan_insn): Rename...
8284 (thumb1_final_prescan_insn): ... to this.
8285 (thumb_expand_epilogue): Rename...
8286 (thumb1_expand_epilogue): ... to this.
8287 (arm_unwind_emit_stm): Rename...
8288 (arm_unwind_emit_sequence): ... to this.
8289 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
8290 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
8291 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
8292 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
8293 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
8294 thumb2_output_casesi): New functions.
8295 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
8296 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
8297 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
8298 THUMB2_WORK_REGS): Define.
8299 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
8300 arm_condexec_mask, arm_condexec_masklen)): New variables.
8301 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
8302 (arm_override_options): Check new CPU capabilities.
8303 Set new architecture flag variables.
8304 (arm_isr_value): Handle v7m interrupt functions.
8305 (user_return_insn): Return 0 for v7m interrupt functions. Handle
8307 (const_ok_for_arm): Handle Thumb-2 constants.
8308 (arm_gen_constant): Ditto. Use movw when available.
8309 (arm_function_ok_for_sibcall): Return false for v7m interrupt
8311 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
8312 (thumb_find_work_register, arm_load_pic_register,
8313 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
8314 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
8315 print_multi_reg, output_mov_long_double_fpa_from_arm,
8316 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
8317 output_mov_double_fpa_from_arm, output_move_double,
8318 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
8319 output_return_instruction, arm_output_function_prologue,
8320 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
8321 arm_output_mi_thunk, thumb_set_return_address): Ditto.
8322 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
8323 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
8324 (arithmetic_instr, shift_op): Use arm_shift_nmem.
8325 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
8327 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
8328 (thumb_expand_prologue): Use thumb_set_frame_pointer.
8329 (arm_file_start): Output directive for unified syntax.
8330 (arm_unwind_emit_set): Handle stack alignment instruction.
8331 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
8332 Add v6t2, v7, v7a, v7r and v7m.
8333 (RETLDM): Add Thumb-2 code.
8334 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
8335 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
8336 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
8337 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
8338 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
8339 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
8340 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
8341 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
8342 ADJUST_INSN_LENGTH): Define.
8343 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
8344 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
8345 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
8346 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
8347 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
8348 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
8349 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
8350 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
8351 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
8352 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
8353 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
8354 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
8355 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
8356 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
8357 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
8358 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
8359 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
8361 * config/arm/arm-tune.md: Regenerate.
8362 * config/arm/arm-protos.h: Update prototypes.
8363 * config/arm/vfp.md: Enable patterns for Thumb-2.
8364 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
8365 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
8366 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
8367 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
8368 * config/arm/libunwind.S: Add Thumb-2 code.
8369 * config/arm/constraints.md: Update include Thumb-2.
8370 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
8371 * config/arm/ieee754-df.S: Ditto.
8372 * config/arm/bpabi.S: Ditto.
8373 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
8374 * config/arm/predicates.md (low_register_operand,
8375 low_reg_or_int_operand, thumb_16bit_operator): New.
8376 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
8377 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
8378 * config/arm/t-arm-elf: Add armv7 multilib.
8379 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
8381 (UNSPEC_STACK_ALIGN, ce_count): New.
8382 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
8383 arm_zero_extendsidi2, arm_zero_extendqidi2): New
8385 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
8386 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
8387 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
8388 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
8389 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
8390 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
8392 * doc/extend.texi: Document ARMv7-M interrupt functions.
8393 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
8395 2007-01-03 Jakub Jelinek <jakub@redhat.com>
8397 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
8398 (struct _Unwind_Context): Rename args_size to flags, remove
8399 signal_frame field, add a new args_size field and version field.
8400 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
8401 _Unwind_IsExtendedContext): New inline functions.
8402 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8403 Assume by_value array is only present if _Unwind_IsExtendedContext.
8404 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
8405 _Unwind_IsSignalFrame.
8406 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
8407 (uw_update_context_1): Use _Unwind_SetSignalFrame.
8408 (uw_init_context_1): Initialize context->flags to
8409 EXTENDED_CONTEXT_BIT.
8410 * config/rs6000/linux-unwind.h (frob_update_context): Use
8411 _Unwind_SetSignalFrame.
8413 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
8416 * gimplify.c (gimplify_modify_expr_complex_part): Move below
8417 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
8420 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
8422 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
8423 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
8424 RET, AT_SP): Remove.
8425 * config/i386/i386.md (*sse_prologue_save_insn): Use return
8428 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8429 * cfgbuild.c (find_basic_blocks): Likewise.
8430 * cfgrtl.c (rtl_create_basic_block): Likewise.
8431 * function.c (temp_slots_at_level): Likewise.
8432 * reg-stack.c (stack_regs_mentioned): Likewise.
8433 * regclass.c (allocate_reg_info): Likewise.
8434 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8435 set_bb_for_stmt, move_block_to_fn): Likewise.
8436 * tree-complex.c (tree_lower_complex): Likewise.
8437 * vec.h (VEC_safe_grow_cleared): New.
8439 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
8441 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
8443 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
8444 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
8446 * cfgloopmanip.c (scale_loop_frequencies): Export.
8447 (loopify): Scale the frequencies by prescribed coefficients.
8448 (set_zero_probability): New function.
8449 (duplicate_loop_to_header_edge): Improve updating of frequencies.
8450 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
8451 and frequencies according to arguments.
8452 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
8454 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
8455 * modulo-sched.c (sms_schedule): Set probabilities for entering
8456 versioned loop correctly.
8457 * tree-vect-transform.c (vect_transform_loop): Ditto.
8458 * cfgloop.h (loopify, loop_version): Declaration changed.
8459 (scale_loop_frequencies): Declared.
8461 2007-01-02 Jan Hubicka <jh@suse.cz>
8463 * cgraph.c: Include tree-flow.h
8464 (cgraph_add_new-function): Handle IPA_SSA mode; execute
8466 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
8467 * tree-pass.h (pass_all_early_optimizations): Declare.
8468 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
8470 (cgraph_analyze_function): Do early_local_passes.
8471 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
8472 Do not add referenced vars.
8473 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
8475 (gate_all_early_local_passes): New gate.
8476 (pass_early_local_passes): Use new gate.
8477 (execute_early_local_optimizations): New functions.
8478 (gate_all_early_optimizations): New gate.
8479 (pass_all_early_optimizations): New pass.
8480 (execute_free_datastructures): Free SSA only when initialized.
8481 (gate_init_datastructures): Init only when optimizing.
8482 (tree_lowering_passes): Do early local passes when called late.
8483 * tree-profile.c (do_tree_profiling): Don't profile functions added
8485 (do_early_tree_profiling, pass_early_tree_profile): Kill.
8486 * tree-cfg.c (update_modified_stmts): Do not update when operands are
8488 * passes.c (init_optimizations_passes): Reorder so we go into SSA
8489 during early_local_passes.
8490 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
8493 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
8495 * Makefile.in: Update copyright year.
8497 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
8499 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
8500 in $(lang_checks) and check-consistency targets.
8502 2007-01-02 Jan Hubicka <jh@suse.cz>
8504 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
8505 Do not add referenced vars.
8506 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
8508 * passes.c (init_optimization_passes): Put mudflap_2 after
8509 free_datastructures.
8511 2007-01-02 Jan Hubicka <jh@suse.cz>
8513 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
8514 Set NOTHROW flag on call statements proved to be nothrow.
8515 Update statement of local calls so new pure/const functions are
8516 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
8518 (tree_rest_of_compilation): Register hooks and initialize bitmap
8519 early. Do not set after_inlining flag.
8521 2007-01-02 Steve Ellcey <sje@cup.hp.com>
8523 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
8524 HOST_BITS_PER_LONGLONG
8526 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8529 * c-typeck.c (store_init_value): Don't emit pedantic overflow
8530 warning for non-static initializers.
8532 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
8534 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
8535 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
8536 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
8537 Always use set_unique_reg_note to add REG_EQUAL notes.
8539 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
8542 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
8544 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8545 * cfgbuild.c (find_basic_blocks): Likewise.
8546 * cfgrtl.c (rtl_create_basic_block): Likewise.
8547 * function.c (temp_slots_at_level): Likewise.
8548 * reg-stack.c (stack_regs_mentioned): Likewise.
8549 * regclass.c (allocate_reg_info): Likewise.
8550 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8551 set_bb_for_stmt, move_block_to_fn): Likewise.
8552 * tree-complex.c (tree_lower_complex): Likewise.
8553 * vec.h (VEC_safe_grow_cleared): New.
8555 2007-01-02 Ian Lance Taylor <iant@google.com>
8557 * c-common.c (c_common_truthvalue_conversion): When warning about
8558 using an assignment as a truth value, set TREE_NO_WARNING.
8560 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8563 * c.opt (Wold-style-declaration): New.
8564 * doc/invoke.texi (C-only Warning Options): New.
8565 (Wold-style-declaration): Document it.
8566 (Wextra): Enabled by -Wextra.
8567 * c-opts.c (c_common_post_options): Enabled by -Wextra.
8568 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
8569 -Wold-style-declaration.
8571 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
8573 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8574 * cfgbuild.c (find_basic_blocks): Likewise.
8575 * cfgrtl.c (rtl_create_basic_block): Likewise.
8576 * function.c (temp_slots_at_level): Likewise.
8577 * reg-stack.c (stack_regs_mentioned): Likewise.
8578 * regclass.c (allocate_reg_info): Likewise.
8579 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8580 set_bb_for_stmt, move_block_to_fn): Likewise.
8581 * tree-complex.c (tree_lower_complex): Likewise.
8582 * vec.h (VEC_safe_grow_cleared): New.
8584 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
8586 * c-common.c (c_common_nodes_and_builtins): Since variants of
8587 void_type_node get built before it is given a name, we need to
8588 give those variants the name, too.
8589 (complete_array_type): We need to work with the canonical main
8590 type of the array, from which we will build the qualified version.
8591 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
8592 * print-tree.c (print_node): Display canonical type information
8594 * stor-layout.c (layout_type): When we don't know the
8595 alignment of a type for which we're building an array, we end up
8596 guessing wrong, so make the type require structural equality.
8597 * tree.c (make_node_stat): When we build a new type, it is its
8599 (build_type_attribute_qual_variant): When building an attribute
8600 variant, its canonical type is the non-attribute variant. However,
8601 if the attributes are target-dependent and they differ, we need to
8602 use structural equality checks for this type.
8603 (build_qualified_type): A qualified type is not equivalent to its
8604 unqualified variant; set the canonical type appropriately.
8605 (build_distinct_type_copy): When building a distinct type from
8606 another type, the new type is its own canonical type.
8607 (build_variant_type_copy): When building a new type variant, we
8608 assume that it is equivalent to the original type.
8609 (build_pointer_type_for_mode): When building a pointer type, also
8610 build a canonical type pointer.
8611 (build_reference_type_for_mode): When building a reference type,
8612 also build a canonical type reference.
8613 (build_index_type): When we can't hash an index type (e.g.,
8614 because its maximum value is negative), the index type requires
8615 structural equality tests.
8616 (build_array_type): Build the canonical form of an array type.
8617 (build_function_type): Function types require structural equality,
8618 because they contain default arguments, attributes, etc.
8619 (build_method_type_directly): Ditto for method types.
8620 (build_offset_type): Build the canonical offset type.
8621 (build_complex_type): Build the canonical vector type.
8622 (make_vector_type): Build the canonical vector type.
8623 * tree.h (TYPE_CANONICAL): New.
8624 (TYPE_STRUCTURAL_EQUALITY_P): New.
8625 (SET_TYPE_STRUCTURAL_EQUALITY): New.
8626 (struct tree_type): Added "canonical" field.
8627 * params.h (VERIFY_CANONICAL_TYPES): New.
8628 * doc/c-tree.texi (TYPE_CANONICAL): Document.
8629 (TYPE_STRUCTURAL_EQUALITY_P): Document.
8630 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
8631 * doc/invoke.texi (verify-canonical-types): Document --param
8632 parameter for verifying canonical types.
8634 2007-01-02 Joseph Myers <joseph@codesourcery.com>
8636 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
8637 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
8638 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
8639 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
8641 * config/rs6000/e500.h: New.
8642 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
8643 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
8645 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
8646 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
8647 TARGET_E500_DOUBLE): Remove.
8648 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
8649 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
8650 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
8651 * config/rs6000/rs6000.c (rs6000_override_options): Use
8654 2007-01-02 Joseph Myers <joseph@codesourcery.com>
8656 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
8657 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
8658 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
8659 rs6000_emit_cmove): Don't check TARGET_E500.
8660 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
8661 sordered): Don't check TARGET_E500.
8663 2007-01-01 Eric Christopher <echristo@apple.com>
8665 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
8666 HARD_REGISTER_NUM_P.
8668 2007-01-01 Roger Sayle <roger@eyesopen.com>
8670 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
8671 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
8672 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
8675 2007-01-01 Mike Stump <mrs@apple.com>
8677 * configure.ac: Remove support for building with Apple's gcc-3.1.
8679 2007-01-02 Joseph Myers <joseph@codesourcery.com>
8682 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
8683 REG is a hard register. Do not modify REG before calling
8685 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
8686 multiple of the size of YMODE for certain lowpart cases.
8688 2007-01-01 Andrew Pinski <pinskia@gmail.com>
8691 * gimplify (voidify_wrapper_expr): Update for
8694 2007-01-01 Andreas Schwab <schwab@suse.de>
8697 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
8698 save of BR0 in extra_spill_size instead of spill_size.
8699 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
8701 (ia64_expand_epilogue): Restore BR0 from its new location.
8703 2007-01-01 Andrew Pinski <pinskia@gmail.com>
8705 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
8706 Use a temporary variable if the left hand side is not a gimple
8709 2007-01-01 Andrew Pinski <pinskia@gmail.com>
8711 * gimplify.c (gimplify_return_expr): Make the temporary variable
8712 for the return expression, a gimple register variable.
8714 2007-01-01 Jan Hubicka <jh@suse.cz>
8716 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
8719 2007-01-01 Mike Stump <mrs@apple.com>
8721 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
8723 * config/darwin.c (machopic_select_rtx_section): Use
8725 (darwin_mergeable_constant_section): Likewise.
8726 * configure: Regenerate.
8727 * config.in: Regenerate.
8729 2007-01-01 Jan Hubicka <jh@suse.cz>
8730 Andrew Pinski <pinskia@gmail.com>
8732 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
8733 before starting IPA passes.