1 2007-03-19 Jeff Law <law@redhat.com>
3 * tree-cfg.c (find_taken_edge): Tighten conditions for
4 optimizing computed gotos.
6 2007-03-19 Michael Matz <matz@suse.de>
8 * builtins.c (expand_builtin_sync_operation,
9 expand_builtin_compare_and_swap,
10 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
13 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
14 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
17 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
19 * doc/tm.texi: Add brackets around the return type of
20 TARGET_SECONDARY_RELOAD.
22 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
23 Richard Guenther <rguenther@suse.de>
25 PR tree-optimization/31254
26 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
27 Use handled_component_p () where appropriate. Continue
28 propagating into the rhs if we propagated into an INDIRECT_REF
31 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
33 * config/s390/s390.md (op_type attribute): RRR instruction type added.
34 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
35 (xde, xdee): Mode attributes adjusted to support DFP modes.
36 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
37 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
38 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
39 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
40 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
41 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
42 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
44 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
45 "movsf"): Insn definitions removed.
46 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
47 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
48 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
50 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
51 "reload_in<mode>", "reload_out<mode>"): Expander added.
52 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
55 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
57 * config/s390/s390.md: Only non-functional changes. Renamed
58 FPR mode macro to BFP all over the file.
60 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
62 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
63 (op_type attribute): RRF instruction type added.
64 (fT0): New mode attribute.
65 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
66 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
67 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
68 no secondary memory is needed when moving DFmode values between GPRs
71 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
73 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
74 inverted and documentation adjusted.
75 ("mhard-dfp", "msoft-dfp"): New options.
76 * config/s390/s390.c (s390_handle_arch_option): New architecture
78 (override_options): Sanity checks for the new options added.
79 * config.gcc: New architecture switch: z9-ec.
80 * config/s390/s390.h (processor_flags): PF_DFP added.
81 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
82 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
83 when the bit is NOT set so remove it from the defaults.
85 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
87 * genemit.c (main): Print include statement for dfp.h.
88 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
91 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
93 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
95 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
98 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
101 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
103 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
104 attr_length_call, output_call, output_indirect_call): Cleanup
105 formatting of targetm calls.
107 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
109 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
111 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
113 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
114 reservation, bypass and anti-bypass descriptions for these instructions.
115 Update move patterns.
116 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
119 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
121 * tree-vect-transform.c (get_initial_def_for_induction): Replace
122 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
123 (get_initial_def_for_reduction): Likewise.
125 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
127 Fix PR tree-optimization/29922
128 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
129 (get_representative): Removed.
130 (value_dies_in_block_x): Update for rvuse removal.
131 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
132 (compute_antic_aux): Handle when PHI nodes appear in
133 non-single-successors.
134 (dump_bitmap_of_names): Removed.
135 (compute_antic_safe): Renamed and removed rvuse calculation.
136 Calculate only antic safe.
137 (insert_into_preds_of_block): Remove assert.
138 (execute_pre): Update for renamed functions.
139 (defer_or_phi_translate_block): New function.
141 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
143 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
144 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
146 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
147 Follow spelling conventions.
149 * tree-data-ref.h: Remove the prototype for analyze_array.
151 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
153 PR tree-optimization/31041
154 * tree-vect-transform.c (get_initial_def_for_induction): Call
155 force_gimple_operand.
157 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
159 * ipa-type-escape.c (look_for_casts) : Revert code to use
160 handled_component_p due to ada test a-numaux.adb.
162 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
164 * final.c (final_scan_insn): Alter the condition of a
165 conditional trap if we have nonstandard CC.
167 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
169 * configure.ac: Remove excess quoting from asm line 0 test.
170 * configure: Rebuilt.
172 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
174 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
175 * c-common.c (convert_and_check): Move warning logic to...
176 (warnings_for_convert_and_check): ...here. Define.
177 * c-common.h (warnings_for_convert_and_check): Declare.
179 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
181 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
182 (output_call): Likewise.
184 2007-03-16 Richard Sandiford <richard@codesourcery.com>
186 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
188 2007-03-16 Richard Sandiford <richard@codesourcery.com>
190 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
192 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
194 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
195 opteron, athlon-64 and athlon-fx processor_alias_table entries.
197 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
199 PR tree-optimization/31183
200 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
201 Use double_int instead of unsigned int for representing access_strides.
202 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
204 2007-03-16 Richard Guenther <rguenther@suse.de>
206 PR tree-optimization/31146
207 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
208 to allow recursion of forward_propagate_addr_expr.
209 (forward_propagate_addr_into_variable_array_index): Likewise.
210 (forward_propagate_addr_expr): Likewise.
211 (tree_ssa_forward_propagate_single_use_vars): Likewise.
212 (forward_propagate_addr_expr_1): Recurse on simple copies
213 instead of propagating into them. Do so for useless conversions
215 (forward_propagate_addr_expr): Clean up unused statements after
218 2007-03-16 Richard Guenther <rguenther@suse.de>
220 * builtins.c (expand_builtin_cexpi): Use the right argument
221 for the expansion via cexp.
223 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
225 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
226 * configure: Rebuilt.
228 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
231 * dwarf2out.c (force_type_die): Adjust comment.
232 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
234 2007-03-15 DJ Delorie <dj@redhat.com>
236 * config/frv/predicates.md (minmax_operator): Don't check operands
239 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
241 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
242 Update constant estimates of number of iterations.
243 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
244 argument renamed to "realistic".
245 (compute_estimated_nb_iterations): Removed.
246 (record_niter_bound): New function.
247 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
248 call record_nonwrapping_iv with upper = false.
249 (infer_loop_bounds_from_signedness): Pass upper argument to
250 record_nonwrapping_iv.
251 (estimate_numbers_of_iterations_loop): Do not call
252 compute_estimated_nb_iterations. Record estimate based on profile
253 information. Initialize the constant estimates of number of
255 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
257 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
258 number of iterations is too small.
259 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
260 (EST_NOT_AVAILABLE): Removed.
261 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
262 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
265 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
267 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
268 Handle NE_EXPR guards.
270 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
273 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
274 Set also -pedantic-errors by default for the preprocessor unless
275 -fpermissive is given.
277 2007-03-15 Richard Guenther <rguenther@suse.de>
281 * builtins.c (expand_builtin_cexpi): As a fallback if we
282 don't have builtins for sincos or cexp create a function
283 declaration for cexp and expand to a call to that.
284 (expand_builtin_int_roundingfn): Always fall
285 back to floor/ceil and its variants even if they may be
288 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
291 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
292 jump tables, move the call to delete_dead_jumptables from here...
293 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
294 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
295 don't allow merging of blocks that try_redirect_by_replacing_jump
296 also does not handle when not optimizing.
298 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
299 Francois-Xavier Coudert <coudert@clipper.ens.fr>
301 * config/i386/i386.md (x86_sahf_1): Correctly handle
304 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
307 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
308 x86_64_general_operand as operand[2] predicate. Remove "iF"
309 from operand constraints and use "e" constraint instead.
310 (*subti3_1, *subti3_1 splitter): Ditto.
311 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
312 operand[1] predicate.
314 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
316 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
317 arrays, multiply the access strides by the size of the sub-array.
318 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
320 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
322 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
323 the configured assembler supports the sahf mnemonic.
324 * configure: Regenerate.
325 * config.in: Regenerate.
327 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
328 emit "sahf" or ".byte\t0x9e" as asm template.
330 2007-03-14 Michael Meissner <michael.meissner@amd.com>
333 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
334 option to replace hard coded TARGET_xxx in md file.
335 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
336 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
337 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
338 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
339 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
340 (X86_TUNE_NOT_VECTORMODE): Ditto.
341 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
342 (TUNE_AVOID_VECTOR_DECODE): Ditto.
343 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
344 (TUNE_SLOW_IMUL_IMM8): Ditto.
345 (TUNE_MOVE_M1_VIA_OR): Ditto.
346 (TUNE_NOT_UNPAIRABLE): Ditto.
347 (TUNE_NOT_VECTORMODE): Ditto.
349 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
352 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
353 tuning options instead of hard coded TARGET_xxx.
354 (fix ssemode peephole2's): Ditto.
355 (imul peephole2's): Ditto.
357 (movdi_or_rex64): Ditto.
358 (move peephole2): Ditto.
359 (not peephole2's): Ditto.
361 2007-03-14 Dirk Mueller <dmueller@suse.de>
363 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
364 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
365 * c-parser.c (c_parser_if_body): Always add an empty statement in case
367 * c-parser.c (c_parser_do_statement): Warn about empty body in
369 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
370 * doc/invoke.texi (-Wempty-body): Update documentation.
372 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
375 * c-common.h (warn_for_div_by_zero): Declare.
376 * c-common.c (warn_for_div_by_zero): Define.
377 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
380 2007-03-14 Richard Sandiford <richard@codesourcery.com>
382 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
383 to PREFIX and STANDARD_PREFIX.
385 2007-03-14 Richard Sandiford <richard@codesourcery.com>
386 Phil Edwards <phil@codesourcery.com>
388 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
389 (__gthread_once_t): Remove busy field for RTPs.
390 (__GTHREAD_ONCE_INIT): Update accordingly.
392 2007-03-14 Richard Sandiford <richard@codesourcery.com>
394 * doc/invoke.texi: Document VxWorks options.
396 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
398 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
400 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
402 PR tree-optimization/30590
403 * tree-nrv.c (tree_nrv): Check for the partial update of the
406 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
408 * flags.h (flag_random_seed): Remove declaration, in favor of...
409 * toplev.h (get_random_seed, set_random_seed): ... these.
410 * tree.c (get_file_function_name): Use the former.
411 * opts.c (common_handle_option): Use the latter.
414 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
417 * cse.c (cse_find_path): Do not bail out if a basic block that
418 we already visited now becomes part of a path that starts at a
419 different basic block. Just disallow this, to make sure we
420 visit each basic block at most once.
422 2007-03-13 Jan Hubicka <jh@suse.cz>
424 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
425 when profile esitmate is present, calls with very low frequency are
428 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
430 PR tree-optimization/30730
431 PR tree-optimization/26900
432 * tree-ssa-loop-niter.c: Include gmp.h.
434 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
435 split_to_var_and_offset, determine_value_range,
436 bound_difference_of_offsetted_base, refine_bounds_using_guard,
437 bound_difference, bounds_add, bounds_negate,
438 number_of_iterations_ne_max, dump_affine_iv): New functions.
439 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
440 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
441 difference of initial and final value of control iv to validate
443 (number_of_iterations_cond): Add loop parameter. Determine bounds
444 on the difference of the extremes of the control iv. Add dumps.
445 (expand_simple_operations): Handle phi nodes.
446 (simplify_using_initial_conditions): Do not record used conditions.
447 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
448 Do not set additional_info.
449 (implies_nonnegative_p, implies_ge_p): Removed.
450 (derive_constant_upper_bound): Do not use parameter `additional'.
451 (record_estimate): Parameter `additional' removed. Parameter
452 `i_bound' added. Do not call derive_constant_upper_bound.
453 (record_nonwrapping_iv): Use derive_constant_upper_bound to
454 bound the number of iterations estimate.
455 (estimate_numbers_of_iterations_loop): Pass the estimate from
456 the number of iterations analysis to record_estimate.
457 * tree.h (multiple_of_p): Declare.
458 * tree-scalar-evolution.c (expression_expensive_p): Removed.
459 (scev_const_prop): Do not check expression_expensive_p.
460 * fold-const.c (multiple_of_p): Exported.
461 * double-int.c (double_int_mask): Exported.
462 * double-int.h (double_int_mask): Declare.
463 * tree-flow.h (struct tree_niter_desc): Removed additional_info
464 field. Added max field.
466 2007-03-13 David Taylor <taylor@candd.org>
469 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
472 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
475 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
478 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
480 * config/i386/i386.opt (mcx16, msahf): New options.
481 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
482 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
484 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
485 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
486 Output -mcx16 and -msahf options when corresponding bit is set.
488 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
491 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
493 * configure.ac: Test for assembler tolerance to # 0 "".
494 * configure, config.in: Rebuilt.
495 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
497 2007-03-13 Geoffrey Keating <geoffk@apple.com>
499 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
501 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
502 (handle_syscall): Handle direct system calls.
503 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
505 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
507 * doc/invoke.texi: Fix cpp.info cross-reference.
508 * doc/passes.texi: Fix gcc.info cross-reference.
510 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
512 PR tree-optimization/30835
513 * lambda-code.c (can_convert_to_perfect_nest): Check whether
514 bb_for_stmt is not NULL before accessing it.
516 2007-03-12 Joseph Myers <joseph@codesourcery.com>
518 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
521 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
524 * doc/install.texi: Document --enable-stage1-languages
526 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
528 * tree-pass.h (pass_into_cfg_layout_mode,
529 pass_outof_cfg_layout_mode): Declare.
530 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
531 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
532 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
533 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
535 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
537 * c-decl.c (warn_variable_length_array): New function.
538 Refactored from grokdeclarator to handle warn_vla
539 and handle unnamed array case.
540 (grokdeclarator): Refactored VLA warning case.
541 * c.opt (Wvla): New flag.
542 * doc/invoke.texi (Wvla): New warning.
544 2007-03-12 Richard Henderson <rth@redhat.com>
546 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
547 (TARGET_SECTION_TYPE_FLAGS): New.
549 2007-03-12 Richard Henderson <rth@redhat.com>
551 * config/darwin.c (machopic_reloc_rw_mask): New.
552 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
553 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
555 2007-03-12 Mark Mitchell <mark@codesourcery.com>
557 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
558 * cppdefault.h (cpp_PREFIX): Document.
559 (cpp_PREFIX_len): Likewise.
560 (cpp_EXEC_PREFIX): New variable.
561 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
562 * c-incpath.c (add_standard_paths): Correct logic for relocating
565 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
567 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
568 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
570 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
571 fix_truncdfdi_sse using SSEMODEF mode macro.
572 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
573 fix_truncdfsi_sse using SSEMODEF mode macro.
574 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
575 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
577 2007-03-12 Richard Sandiford <richard@codesourcery.com>
579 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
582 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
584 * tree.h : Add multiple_of_p declaration.
585 * fold-const.c (multiple_of_p): Make multiple_of_p public.
586 * ipa-type-escape.c (results_of_malloc): Redundant.
587 (visited_stmts): New. Visited stmt for walk_use_def_chains.
588 (cast_type): Extended with new members.
589 (check_cast): Returns cast_type.
590 (cast): New structure for data of walk_use_def_chains.
591 (is_malloc_result, is_cast_from_non_pointer_1,
592 is_cast_from_non_pointer,
593 is_array_access_through_pointer_and_index): New functions.
594 (look_for_casts): Returns cast types.
595 (check_call): Returns void.
596 (okay_pointer_operation): Use support of pointer plus index,
597 pointer plus constant and allow all multiplications.
599 2007-03-11 Richard Guenther <rguenther@suse.de>
601 PR tree-optimization/31115
602 * tree-vrp.c (extract_range_from_binary_expr): Make sure
603 the shift count is positive and non-anti-range for RSHIFT_EXPR.
604 A shift count of zero is not special as with *_DIV_EXPR.
605 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
608 2007-03-11 Ian Lance Taylor <iant@google.com>
610 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
611 the *_DIV_EXPR codes correctly with overflow infinities.
613 2007-03-11 Ira Rosen <irar@il.ibm.com>
615 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
616 indicate success/failure of the analysis. Add negation to subtrahend
617 in case of subtraction. Fail if both operands contain constants.
618 (create_data_ref): Fail if analyze_offset fails.
620 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
622 * config/i386/i386.md (frndintxf2): Rename to ...
623 (rintxf2): ... this. Remove expander having same name.
624 (rintsf2, rintdf2): Implement using SSEMODEF macro.
625 (roundsf2, rounddf2): Ditto.
626 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
627 (lround<mode>di2, lround<mode>si2): Ditto.
629 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
631 * lower-subreg.c: Include except.h.
632 (decompose_multiword_subregs): Verify that the only control flow
633 insns we can split are loads to multi-words pseudos.
634 Handle breaking such blocks after splitting, instead of calling
635 find_many_sub_basic_blocks.
637 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
638 on the new basic block. Add a lengthy comment explaining why we
639 thought this was necessary.
640 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
642 2007-03-10 Mark Mitchell <mark@codesourcery.com>
645 * tree.c (walk_type_fields): Recurse into the element type of
646 ARRAY_TYPEs if there is a pointer set.
648 2007-03-10 Dirk Mueller <dmueller@suse.de>
650 * c-common.c (warn_logical_operator): Fix condition.
652 2007-03-10 Tobias Schlüter <tobi@gcc.gnu.org>
654 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
656 * config/darwin.c (machopic_select_section): Remove superfluous
657 argument in call to categorize_decl_for_section. Remove unused
660 2007-03-10 Joseph Myers <joseph@codesourcery.com>
662 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
664 * configure: Regenerate.
666 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
669 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
670 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
671 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
672 Add LABEL_NUSES to emitted label.
673 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
674 branch probability value to emitted jump insn.
675 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
676 Do not check life information and do not re-arrange input operands
677 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
679 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
681 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
682 the change of decode_asm_operands.
684 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
686 * mode-switching.c (create_pre_exit): Skip blockage insn.
688 2007-03-09 Diego Novillo <dnovillo@redhat.com>
690 * tree-pass.h (TODO_update_smt_usage): Remove.
692 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
696 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
698 * pa.c (attr_length_call): Revise condition for long pc-relative branch.
699 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
700 calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
703 2007-03-09 Geoffrey Keating <geoffk@apple.com>
705 * gcc.c: Document %{, in big comment at top.
706 (input_suffix_matches): Remove special handling for .s and
708 (input_spec_matches): New.
709 (handle_braces): Handle %{,.
710 (validate_switches): ',' indicates a value which is not a switch.
711 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
712 to detect assembler input.
713 * config/i386/sol2.h (CPP_SPEC): Likewise.
714 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
715 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
716 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
717 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
718 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
719 -m64 causes deployment target to default to 10.5.
720 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
722 2007-03-09 Richard Henderson <rth@redhat.com>
725 * target.h (targetm.asm.out.reloc_rw_mask): New.
726 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
727 (TARGET_ASM_OUT): Use it.
728 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
729 * varasm.c (categorize_decl_for_section): Remove shlib argument;
730 use the new reloc_rw_mask target hook instead.
731 (default_section_type_flags_1): Merge into...
732 (default_section_type_flags): ... here.
733 (decl_readonly_section_1): Merge into...
734 (decl_readonly_section): ... here.
735 (default_elf_select_section_1): Merge into...
736 (default_elf_select_section): ... here.
737 (default_unique_section_1): Merge into...
738 (default_unique_section): ... here.
739 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
740 (default_select_rtx_section): Use it.
741 (default_elf_select_rtx_section): Likewise.
742 * output.h: Update to match.
743 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
744 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
745 (TARGET_ASM_RELOC_RW_MASK): New.
746 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
747 to categorize_decl_for_section.
748 (x86_64_elf_unique_section): Likewise.
749 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
750 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
751 (TARGET_ASM_RELOC_RW_MASK): New.
752 * config/ia64/ia64.c (ia64_rwreloc_select_section,
753 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
754 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
755 (TARGET_RWRELOC): Remove.
756 (ia64_section_type_flags): Adjust call to default_section_type_flags.
757 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
758 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
759 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
760 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
761 (rs6000_xcoff_select_section): Use decl_readonly_section.
762 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
763 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
764 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
765 (TARGET_SECTION_TYPE_FLAGS): Remove.
766 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
768 2007-03-09 Roger Sayle <roger@eyesopen.com>
770 * fold-const.c (fold_comparison): Remove compile-time evaluation of
771 complex constant equality/inequality comparisons for here.
772 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
773 known at compile-time or can be simplified to a scalar comparison.
774 (fold_relational_const): Move compile-time evaluation of complex
775 constant equality/inequality comparisons to here.
777 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
779 PR rtl-optimization/30643
780 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
782 (fold_rtx): Recurse, like before 2006-11-03.
784 2007-03-09 DJ Delorie <dj@redhat.com>
786 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
789 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
791 PR tree-optimization/30375
792 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
793 LHS of statements is not the same.
794 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
796 2007-03-09 Chao-ying Fu <fu@mips.com>
798 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
800 * doc/invoke.texi (-mdspr2): Document new option.
801 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
802 New unspec for DSP REV 2.
803 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
804 these instructions are extended in DSP REV 2.
805 (mips-dspr2.md): Include.
806 * config/mips/mips.opt (mdspr2): New option.
807 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
808 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
809 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
810 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
811 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
812 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
813 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
815 (bdesc_map): Add one field of unsupported_target_flags.
816 (bdesc_arrays): Update entries to have extra fields. Add
818 (mips_init_builtins): Initialize new function types.
819 Check unsupported_target_fileds to filter out builtins.
820 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
822 (ASM_SPEC): Pass mdspr2 to the assembler.
823 * config/mips/mips-dspr2.md: New file.
825 2007-03-09 Sa Liu <saliu@de.ibm.com>
827 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
829 2007-03-09 Ian Lance Taylor <iant@google.com>
831 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
832 argument) like -Wstrict-overflow=2.
833 * doc/invoke.texi (Warning Options): Update documentation.
835 2007-03-09 Dirk Mueller <dmueller@suse.de>
838 * doc/invoke.texi (-Wlogical-op): Document.
839 * common.opt (-Wlogical-op): New.
840 * c-common.h (warn_logical_operator): Declare.
841 * c-common.c (warn_logical_operator): Define.
842 * c-typeck.c (parser_build_binary_op): Call
843 warn_logical_operator.
845 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
847 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
848 * final.c (final_scan_insn): Test for non-"" file name.
850 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
852 * doc/loop.texi: Document the Omega linear constraints solver.
853 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
854 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
855 omega-hash-table-size, omega-max-keys, and
856 omega-eliminate-redundant-constraints.
857 * tree-pass.h (pass_check_data_deps): Declared.
860 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
861 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
862 pass_check_data_deps): New.
863 * tree-data-ref.c (init_data_ref): Remove declaration.
864 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
865 (analyze_array): Renamed init_array_ref, move up initializations.
866 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
867 Removed arguments that are set to NULL.
868 (analyze_indirect_ref): Correct indentation, correct call to
870 (object_analysis): Call init_array_ref instead of analyze_array.
871 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
872 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
873 of DR_ACCESS_FNS_ADDR.
874 (init_omega_eq_with_af, omega_extract_distance_vectors,
875 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
876 ddr_consistent_p): New.
877 (compute_affine_dependence): Check consistency of ddrs when
878 flag_check_data_deps is passed.
879 (analyze_all_data_dependences): Uncomment.
880 (tree_check_data_deps): New.
881 * tree-data-ref.h: Include omega.h.
882 (DR_ACCESS_FNS_ADDR): Removed.
883 (data_dependence_relation): Add inner_loop.
884 (DDR_INNER_LOOP): New.
885 * common.opt (fcheck-data-deps): New.
886 * tree-flow.h (tree_check_data_deps): Declare.
887 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
888 (OBJS-common): Depend on omega.o.
890 * passes.c (pass_check_data_deps): Scheduled.
891 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
892 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
893 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
894 PARAM_VECT_MAX_VERSION_CHECKS,
895 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
897 2007-03-09 Richard Guenther <rguenther@suse.de>
899 PR tree-optimization/30904
901 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
902 the same way as *_DIV_EXPR.
904 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
906 * recog.c (decode_asm_operands): No mixed declarations and code.
908 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
910 * rtl.def (ASM_INPUT): Add location.
911 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
912 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
913 (decode_asm_operands): Add loc operand.
914 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
915 * stmt.c (expand_asm): Rename to...
916 (expand_asm_loc): ... this. Add locus argument. Pass it on to
917 gen_rtx_ASM_INPUT_loc.
918 (expand_asm_expr): Adjust.
919 * recog.c (decode_asm_operands): Add loc operand.
920 (check_asm_operands, extract_insn): Adjust.
921 * reload1.c (maybe_fix_stack_asms): Likewise.
922 * final.c (asm_insn_count): Likewise.
923 (final_scan_insn): Output # line before and after asm.
925 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
927 * tree-ssa-structalias.c (variable_info): Remove
929 (new_var_info): Ditto.
930 (shared_bitmap_info_t): New structure.
931 (shared_bitmap_table): New variable.
932 (shared_bitmap_hash): New function.
933 (shared_bitmap_eq): Ditto
934 (shared_bitmap_lookup): Ditto.
935 (shared_bitmap_add): Ditto.
936 (merge_smts_into): Change to take bitmap directly.
937 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
938 (init_alias_vars): Init shared bitmap hashtable.
939 (delete_points_to_sets): Delete shared bitmap hashtable.
940 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
941 is_aliased removal as a change that was still necessary was
944 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
946 * config/i386/i386.h (override_options): Conditionally disable
947 x86_sahf for 64bit targets only.
949 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
952 * c-decl.c (merge_decls): Don't call make_var_volatile.
953 * varasm.c (make_var_volatile): Remove.
954 * output.h (make_var_volatile): Remove.
956 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
958 PR tree-optimization/31085
959 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
961 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
963 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
964 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
965 ATTR_CONST_NOTHROW_LIST.
967 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
970 2007-03-08 Diego Novillo <dnovillo@redhat.com>
972 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
974 2007-03-08 Geoffrey Keating <geoffk@apple.com>
977 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
979 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
980 passed, use shared libgcc.
982 2007-03-08 Roger Sayle <roger@eyesopen.com>
984 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
985 instead of calling build2 with a GIMPLE_MODIFY_STMT.
986 (honor_protect_cleanup_actions, lower_try_finally_switch):
988 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
989 ifc_temp_var): Likewise.
990 * tree-inline.c (setup_one_parameter): Likewise.
991 * tree-mudflap.c (mf_decl_cache_locals,
992 mf_build_check_statement_for): Likewise.
993 * tree-nested.c (init_tmp_var, save_tmp_var,
994 finalize_nesting_tree_1): Likewise.
995 * tree-outof-ssa.c (insert_copy_on_edge,
996 insert_backedge_copies): Likewise.
997 * tree-profile.c (tree_gen_edge_profiler,
998 tree_gen_ic_profiler): Likewise.
999 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1000 * tree-sra.c (sra_build_assignment): Likewise.
1001 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
1002 * tree-ssa-math-opts.c (insert_reciprocals,
1003 execute_cse_sincos_1): Likewise.
1004 * tree-tailcall.c (adjust_accumulator_values,
1005 adjust_return_value): Likewise.
1006 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
1007 * tree-vect-transform.c (vect_create_data_ref_ptr,
1008 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
1009 vect_create_epilog_for_reduction, vectorizable_reduction,
1010 vectorizable_call, vectorizable_conversion,
1011 vectorizable_assignment, vectorizable_operation,
1012 vectorizable_type_demotion, vect_gen_widened_results_half,
1013 vect_permute_store_chain, vectorizable_store,
1014 vect_setup_realignment, vect_permute_load_chain,
1015 vectorizable_load, vectorizable_condition,
1016 vect_create_cond_for_align_checks): Likewise.
1017 * tree-vrp.c (build_assert_expr_for): Likewise.
1019 2007-03-08 Ian Lance Taylor <iant@google.com>
1021 * tree-vrp.c: Include "intl.h".
1022 (usable_range_p): New static function.
1023 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
1024 overflowed values, juts set *strict_overflow_p.
1025 (compare_values): Only return -2 if one of the operands is not a
1027 (compare_ranges): Call usable_range_p.
1028 (compare_range_with_value): Likewise.
1029 (vrp_evaluate_conditional_warnv): Rename from
1030 vrp_evaluate_conditional. Make static. Change all callers.
1031 (vrp_evaluate_conditional): New function.
1032 (simplify_div_or_mod_using_ranges): Issue warning about reliance
1034 (simplify_abs_using_ranges): Likewise.
1035 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
1036 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
1037 within_stmt parameter.
1038 * tree-ssa-propagate.c (fold_predicate_in): Update call to
1039 vrp_evaluate_conditional.
1040 * tree-ssa-threadedge.c
1041 (record_temporary_equivalences_from_stmts_at_dest): Change
1042 simplify parameter to take a second tree parameter.
1043 (simplify_control_stmt_condition): Likewise.
1044 (thread_across_edge): Likewise.
1045 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1046 (thread_across_edge): Likewise.
1047 * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
1049 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
1051 * config/i386/i386.h (TARGET_SAHF): New define.
1052 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
1053 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
1054 (x86_sahf): New global variable.
1055 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
1056 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
1057 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
1058 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
1060 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
1061 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
1062 when expanding fcomi/sahf based tests.
1063 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
1064 expanding sahf based alternative. Emit sahf based sequence when
1065 optimizing for code size.
1066 * config/i386/i386.md (x86_sahf_1): Do not disable for
1067 TARGET_64BIT, enable for TARGET_SAHF.
1069 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
1071 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
1072 spurious whitespace from error message.
1074 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
1077 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
1079 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
1081 * c-decl.c (grokdeclarator): Disable warnings for anonymous
1083 * tree-sra.c (instantiate_element): Propagate disabled warnings
1084 from the element itself to the created variable.
1086 2007-03-07 Richard Henderson <rth@redhat.com>
1089 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
1090 silently fix up the stack in the case of a missing register.
1092 2007-03-07 Paul Brook <paul@codesourcery.com>
1094 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
1096 2007-03-07 Joseph Myers <joseph@codesourcery.com>
1098 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
1100 (phase1_vrs): Use them.
1101 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
1102 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
1103 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
1104 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
1105 __gnu_Unwind_Restore_WMMXC if required.
1106 (_Unwind_VRS_Pop): Implement iWMMXt support.
1107 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
1108 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
1109 gnu_Unwind_Save_WMMXC): Define.
1111 2007-03-07 Richard Sandiford <richard@codesourcery.com>
1113 * config/vxworks.h (vxworks_override_options): Declare.
1114 (VXWORKS_OVERRIDE_OPTIONS): Use it.
1115 * config/vxworks.c: Include target.h and toplev.h.
1116 (vxworks_override_options): New function.
1117 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
1119 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
1121 * config/s390/s390.c (override_options): Don't emit an error when
1122 -mstack-size is used without providing -mstack-guard.
1123 (s390_emit_prologue): Choose stack_guard value automatically if not
1124 provided via command line.
1125 * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
1127 2007-03-07 Richard Sandiford <richard@codesourcery.com>
1129 * config/i386/i386.c (output_set_got): Add a GOT initialization
1130 sequence for VxWorks PIC.
1131 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
1132 around labels as well as symbols. Use gotoff_operand instead
1133 of local_symbolic_operand.
1134 (legitimize_pic_address): Use gotoff_operand instead of
1135 local_symbolic_operand. Use @GOT accesses for labels as
1137 (ix86_output_addr_diff_elt): Use PC-relative rather than
1138 GP-relative offsets for VxWorks PIC.
1139 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
1140 no_new_pseudos. Check whether the returned register is op0.
1141 * config/i386/i386.md (tablejump): Use PC-relative rather than
1142 GP-relative offsets for VxWorks PIC.
1143 * config/i386/predicates.md (gotoff_operand): New predicate.
1145 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1147 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
1149 * config/vxworks-dummy.h: New file.
1150 * config/i386/i386.h: Include it.
1152 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
1154 * dwarf2out.c (is_inlined_entry_point): New
1155 (add_high_low_attributes): Emit DW_AT_entry_pc along with
1156 DW_AT_ranges if the first subblock is the entry point.
1158 2007-03-06 David Daney <ddaney@avtrex.com>
1160 * doc/install.texi (mips-*-*): Change recommended binutils
1163 2007-03-06 Anatoly Sokolov <aesok@post.ru>
1165 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
1166 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
1168 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1169 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1171 2007-03-06 Jan Hubicka <jh@suse.cz>
1173 * errors.h (warning, error, fatal, internal_error): Mark as cold.
1174 * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
1176 (probably_cold_bb_p): Cold functions are cold.
1177 (probably_never_executed_bb_p): Cold functions are cold.
1178 (tree_bb_level_predictions): Predict calls to cold functions as not
1180 (compute_function_frequency): Check hot/cold attributes.
1181 * function.h (function_frequency): Update comments.
1182 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
1183 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
1184 (c_common_att): Add cold and hot.
1186 * doc/extend.texi (hot,cold attributes): Document.
1188 2007-03-06 Andrew Haley <aph@redhat.com>
1190 * function.c (expand_function_end): Move blockage to just after we
1191 emit the label for the naked return from the function.
1193 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1195 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
1198 2007-03-06 Jan Hubicka <jh@suse.cz>
1200 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
1201 loaded for constant large models. Non-large 64bit PIC can do.
1202 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
1203 * cmodel.h: Add LARGE PIC.
1204 * i386.md (UNSPEC_PLTOFF): New.
1205 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
1207 (*call_1_rex64): Disable for large models.
1208 (*call_1_rex64_large): New.
1209 (*call_value_1_rex64): Disable for large models.
1210 (*call_value_1_rex64_large): New.
1211 (set_rip_rex4): New.
1212 (set_got_offset_rex64): New.
1213 * predicates.md (constant_call_address_operand): For large model
1214 constant calls are not possible.
1215 * i386-protos.h (construct_plt_address): Declare.
1216 * i386.c (override_options): Accept large models.
1217 (ix86_expand_prologue): Expand large PIC GOT pointer load.
1218 (legitimate_constant_p): Add new UNSPECs.
1219 (legitimate_pic_operand_p): Likewise.
1220 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
1221 (legitimize_pic_address): Do easy RIP relative way for TLS only for
1223 (output_pic_addr_const): Add PLTOFF.
1224 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
1225 (ix86_expand_move): Legitimize pic address when in PIC mode.
1226 (construct_plt_address): New function.
1227 (ix86_expand_call): Offload the address to register and use GOT pointer
1229 * invoke.texi (mcmodel=large): Update documentation.
1231 2007-03-06 Richard Henderson <rth@redhat.com>
1233 * config/i386/i386.c (x86_use_leave, x86_push_memory,
1234 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
1235 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
1236 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
1237 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
1238 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
1239 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
1240 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
1241 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
1242 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1243 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1244 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
1245 x86_sse_partial_reg_dependency, x86_sse_split_regs,
1246 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
1247 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
1248 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
1249 x86_schedule, x86_use_bt, x86_pad_returns,
1250 x86_use_xchgb): Merge into ...
1251 (ix86_tune_features): ... here. New array.
1252 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
1253 x86_bswap): Merge into ...
1254 (ix86_arch_features): ... here. New array.
1255 (x86_3dnow_a): Remove.
1256 (x86_accumulate_outgoing_args): Make static.
1257 (x86_arch_always_fancy_math_387): Make static.
1258 (ix86_tune_mask, ix86_arch_mask): Move ...
1259 (override_options): ... to local variables here. Apply the
1260 appropriate mask to each element of ix86_arch_features and
1261 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
1262 as were done in the old macros.
1263 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
1264 * config/i386/i386.h (x86_use_leave, x86_push_memory,
1265 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
1266 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
1267 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
1268 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
1269 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
1270 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
1271 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
1272 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
1273 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
1274 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1275 x86_accumulate_outgoing_args, x86_prologue_using_move,
1276 x86_epilogue_using_move, x86_decompose_lea,
1277 x86_arch_always_fancy_math_387, x86_shift1,
1278 x86_sse_partial_reg_dependency, x86_sse_split_regs,
1279 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
1280 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
1281 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
1282 x86_use_incdec, x86_pad_returns, x86_bswap,
1283 x86_partial_flag_reg_stall): Remove.
1284 (enum ix86_tune_indices): New.
1285 (ix86_tune_features): New.
1286 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
1287 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
1288 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
1289 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
1290 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
1291 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
1292 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
1293 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
1294 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
1295 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
1296 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
1297 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
1298 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
1299 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
1300 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
1301 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
1302 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
1303 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
1304 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
1305 TARGET_EXT_80387_CONSTANTS): Use it.
1306 (enum ix86_arch_indices): New.
1307 (ix86_arch_features): New.
1308 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
1309 TARGET_BSWAP): Use it.
1310 (ix86_tune_mask, ix86_arch_mask): Remove.
1312 2007-03-06 Joseph Myers <joseph@codesourcery.com>
1315 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
1316 Define using $${sysroot_headers_suffix}.
1317 * configure: Regenerate.
1318 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
1319 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
1321 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
1322 * gcc.c (print_sysroot_headers_suffix): New.
1323 (option_map): Include --print-sysroot-headers-suffix.
1324 (display_help): Mention -print-sysroot-headers-suffix.
1325 (process_command): Handle -print-sysroot-headers-suffix.
1326 (do_spec_1): Append multilib directory to include-fixed path if
1327 sysroot suffixes in use.
1328 (main): Handle -print-sysroot-headers-suffix.
1329 * Makefile.in (start.encap): Don't depend on xlimits.h
1330 (xlimits.h): Remove.
1331 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
1332 limits.h for each multilib in fixinc_list.
1333 (fixinc_list, s-fixinc_list): New.
1334 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
1335 generate them for each multilib in fixinc_list.
1336 (stmp-fixproto): Use include-fixed. Run fixproto for each
1337 multilib in fixinc_list.
1338 (mostlyclean): Don't remove xlimits.h.
1339 (clean): Remove include-fixed.
1340 (real-install-headers-tar, real-install-headers-cpio,
1341 real-install-headers-cp): Don't copy include, only include-fixed.
1342 (install-mkheaders): Depend on fixinc_list. Don't depend on
1343 xlimits.h. Save limits.h files for each multilib in fixinc_list.
1344 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
1345 SYSTEM_HEADER_DIR setting in mkheaders.conf.
1347 2007-03-06 Jan Hubicka <jh@suse.cz>
1349 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
1352 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1354 * configure.ac: Allow tm_file to contain build-directory files.
1355 * configure: Regenerate.
1356 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
1357 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
1358 * config/m68k/print-sysroot-suffix.sh: New file.
1360 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1362 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
1363 of pic_offset_table_rtx if reload_completed.
1364 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
1365 PIC_OFFSET_TABLE_REGNUM.
1366 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
1368 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
1369 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
1371 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1373 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
1374 functions that call eh_return.
1376 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1378 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
1379 functions that need a constant pool.
1381 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1384 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
1385 (m68k_preferred_reload_class): Likewise.
1386 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
1387 (SECONDARY_RELOAD_CLASS): Define.
1388 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
1389 (LIMIT_RELOAD_CLASS): Delete.
1390 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
1391 registers from storing bytes.
1392 (m68k_secondary_reload_class): New function.
1393 (m68k_preferred_reload_class): Likewise.
1395 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1397 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
1399 (m68k_expand_prologue): Likewise.
1401 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1403 * config/m68k/m68k-protos.h (output_sibcall): Declare.
1404 (mips_expand_epilogue): Add a bool parameter.
1405 (m68k_legitimize_sibcall_address): Declare.
1406 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
1407 (m68k_expand_epilogue): Add a parameter to select between sibling
1408 and normal epilogues. Only generate a return for the latter.
1409 (m68k_ok_for_sibcall_p): New function.
1410 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
1411 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
1412 (sibcall_value, *sibcall_value): Likewise.
1413 (*call, *call_value): Require !SIBLING_CALL_P.
1414 (epilogue): Update call to m68k_expand_epilogue.
1415 (sibcall_epilogue): New pattern.
1416 * config/m68k/predicates.md (const_call_operand): Say that this
1417 predicate applies to sibling calls too.
1418 (sibcall_operand): New predicate.
1420 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1422 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
1423 alternatives as movsi_cf.
1424 (movsf_cf_hard): Add commentary.
1426 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
1427 Richard Sandiford <richard@codesourcery.com>
1429 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
1430 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
1431 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
1432 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
1433 as being live on exit from an interrupt function.
1434 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
1435 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
1436 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
1437 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
1438 (m68k_interrupt_function_p): Globalize.
1439 (m68k_compute_frame_layout): Remove reverse mask code.
1440 (m68k_emit_movem, m68k_set_frame_related): New functions.
1441 (m68k_output_function_prologue): Delete in favor of...
1442 (m68k_expand_prologue): ...this new function.
1443 (m68k_output_function_epilogue): Delete in favor of...
1444 (m68k_expand_epilogue): ...this new function.
1445 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
1447 (print_operand): Handle %?.
1448 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
1449 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
1450 (prologue, epilogue): New patterns.
1451 (return): Turn into a define_expand.
1452 (*return): New pattern, derived from old "return" pattern. Use rte
1453 rather than rts for interrupt functions. Only use rtd if the pop
1455 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
1456 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
1457 (link, *link, unlink, *unlink, load_got): Likewise.
1459 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1463 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
1464 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
1465 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
1466 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
1467 and m68k_matches_u_p.
1468 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
1469 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
1470 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
1471 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
1472 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
1473 (REG_STRICT_P): New macro.
1474 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
1475 PCREL_GENERAL_OPERAND_OK.
1476 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
1477 m68k_legitimate_base_reg_p.
1478 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
1479 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
1480 (PIC_CASE_VECTOR_ADDRESS): Update comment.
1481 * config/m68k/m68k.c (m68k_address): New structure.
1482 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
1483 (m68k_decompose_index, m68k_legitimate_constant_address_p)
1484 (m68k_jump_table_ref_p, m68k_decompose_address)
1485 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
1486 (m68k_matches_u_p): New functions.
1487 (print_operand_address): Rewrite to use m68k_decompose_index.
1489 2007-03-05 David Taylor <dtaylor@emc.com>
1491 * gcc.c: Correct copyright date in --version output.
1493 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1495 * pa.md: In unamed move patterns, disparge copies between general
1496 and floating point registers using '?' modifier. Don't include 'f'
1497 constraint for register preferences in DImode, SImode, HImode and
1498 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
1499 Remove constraints for copies between general and floating registers
1500 in soft-float DFmode pattern.
1501 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
1505 2007-03-05 Mike Stump <mrs@apple.com>
1507 * c-common.c (targetcm): Add.
1508 * c-opts.c (c_common_handle_option): Handle language specific
1510 * opts.c (handle_option): Verify language for target options, if
1512 * opth-gen.awk: Add CL_LANG_ALL.
1513 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
1514 (TARGETCM_INITIALIZER): Add.
1515 * target.h (struct gcc_targetcm): Add.
1517 * targhooks.c (default_handle_c_option): Add.
1518 * targhooks.h (default_handle_c_option): Add.
1519 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
1521 * config/darwin.opt (iframework): Add.
1522 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
1523 * config/darwin-c.c (handle_c_option): Add.
1524 (TARGET_HANDLE_C_OPTION): Add.
1526 * doc/invoke.texi (Darwin Options): Add -iframework.
1528 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1530 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
1533 2007-03-05 Ian Lance Taylor <iant@google.com>
1535 * c.opt (fgnu89-inline): New option.
1536 * c-opts.c (c_common_post_options): Set default value for
1538 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
1539 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
1541 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
1542 (grokdeclarator, start_function): Likewise.
1543 * c-cppbuiltin.c (c_cpp_builtins): Define either
1544 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
1545 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
1546 (C Dialect Options): Document -fgnu89-inline.
1547 * doc/extend.texi (Function Attributes): Explain what the
1548 gnu_inline attribute does.
1549 * doc/cpp.texi (Common Predefined Macros): Document
1550 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1552 2007-03-05 Ian Lance Taylor <iant@google.com>
1554 PR tree-optimization/31034
1555 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
1556 half-range if the other side is an overflow infinity.
1558 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1560 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
1561 (bfin*-linux-uclibc*): New configuration.
1562 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
1564 * config/bfin/linux.h: New file.
1565 * config/bfin/libgcc-bfin.ver: New file.
1566 * config/bfin/t-bfin-uclinux: New file.
1567 * config/bfin/t-bfin-linux: New file.
1568 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
1569 (TARGET_OS_CPP_BUILTINS): New macro.
1571 2007-03-05 Richard Guenther <rguenther@suse.de>
1573 * fold-const.c (fold_binary): Remove duplicate folding
1574 of comparison of non-null ADDR_EXPR against null.
1576 2007-03-05 Richard Guenther <rguenther@suse.de>
1577 Dorit Nuzman <dorit@il.ibm.com>
1579 PR tree-optimization/26420
1580 * tree-vectorizer.c (vectorize_loops): Bail out early if there
1581 are no loops in the function. Only print the number of
1582 vectorized loops if it is greater than zero or we are supposed
1583 to print information about unvectorized loops.
1585 2007-03-05 Revital Eres <eres@il.ibm.com>
1587 * gcc.dg/var-expand1.c: New test.
1588 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
1589 when an accumulator is expanded.
1591 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1594 * c-common.c (convert_and_check): Don't give warnings for
1595 conversion if 'expr' already overflowed.
1597 2007-03-04 Roger Sayle <roger@eyesopen.com>
1600 * fold-const.c (fold_comparison): Enforce type consistency when
1601 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
1603 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
1605 * tree-ssa-address.c (create_mem_ref): Do not put an expression
1606 containing a cast to the base of TARGET_MEM_REF.
1608 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
1610 * tree.c (tree_contains_struct_check_failed): Remove spurious
1611 whitespace from error message.
1613 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
1616 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
1617 instead of precision.
1619 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
1620 Nathan Sidwell <nathan@codesourcery.com>
1622 * emit-rtl.c (find_auto_inc): New.
1623 (try_split): recreate REG_INC notes,
1624 Use regular for loops rather than whiles.
1626 2007-03-03 Andreas Schwab <schwab@suse.de>
1628 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
1629 * configure: Regenerate.
1631 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1633 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
1634 flag_rounding_math, not flag_unsafe_math_optimizations.
1636 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
1638 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
1639 alpha_fold_vector_minmax): Likewise.
1640 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
1641 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
1643 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
1645 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
1646 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
1647 if the lhs has side-effects.
1648 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
1650 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
1652 * config/i386/i386.h (TUNEMASK): Remove define.
1653 (ARCHMASK): Remove define.
1654 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
1655 Use ix86_arch_mask variable instead of ARCHMASK.
1656 * config/i386/i386.c (override_options): Ditto.
1657 (standard_80387_constant_p): Ditto.
1659 2007-03-02 Ian Lance Taylor <iant@google.com>
1661 Used signed infinities in VRP.
1662 * tree-vrp.c (uses_overflow_infinity): New static function.
1663 (supports_overflow_infinity): New static function.
1664 (make_overflow_infinity): New static function.
1665 (negative_overflow_infinity): New static function.
1666 (positive_overflow_infinity): New static function.
1667 (is_negative_overflow_infinity): New static function.
1668 (is_positive_overflow_infinity): New static function.
1669 (is_overflow_infinity): New static function.
1670 (overflow_infinity_range_p): New static function.
1671 (compare_values_warnv): New function split out of compare_values.
1672 (compare_value): Call it.
1673 (set_value_range_to_nonnegative): Add overflow_infinity
1674 parameter. Change caller.
1675 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
1677 (vrp_expr_computes_nonzero): Likewise.
1678 (compare_ranges, compare_range_with_value): Likewise.
1679 (compare_name_with_value, compare_names): Likewise.
1680 (vrp_evaluate_conditional): Likewise.
1681 (set_value_range): Handle infinity
1682 (vrp_operand_equal_p, operand_less_p): Likewise.
1683 (extract_range_from_assert): Likewise.
1684 (vrp_int_const_binop): Likewise.
1685 (extract_range_from_binary_expr): Likewise.
1686 (extract_range_from_unary_expr): Likewise.
1687 (extract_range_from_comparison): Likewise.
1688 (extract_range_from_expr): Likewise.
1689 (dump_value_range): Likewise.
1690 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
1691 (test_for_singularity): Likewise.
1692 (vrp_int_const_binop): Remove inline qualifier.
1693 (adjust_range_with_scev): Add comment.
1694 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1696 2007-03-02 Diego Novillo <dnovillo@redhat.com>
1698 * tree-ssa-structalias.c (could_have_pointers): Tidy.
1699 (get_constraint_for): Likewise.
1700 (do_structure_copy): Likewise.
1701 (find_func_aliases): Fix references to MODIFY_EXPR.
1702 (intra_create_variable_infos): Tidy.
1703 * tree-ssa-operands.c (add_virtual_operand): Add argument
1705 When adding members of alias sets, if IS_CALL_SITE is true and
1706 the symbol is not call-clobbered, skip it.
1709 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
1711 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
1712 entry by means of emit_insn_at_entry.
1714 2007-03-02 Richard Henderson <rth@redhat.com>
1716 * expr.h (promoted_input_arg): Remove decl.
1717 * function.c (promoted_input_arg): Merge into ...
1718 * combine.c (setup_incoming_promotions): ... only caller.
1719 Rearrange to avoid double loop.
1721 2007-03-02 Ben Elliston <bje@au.ibm.com>
1722 Peter Bergner <bergner@vnet.ibm.com>
1723 Janis Johnson <janis187@us.ibm.com>
1725 * config/rs6000/dfp.md: New file.
1726 * config/rs6000/rs6000.md: Include dfp.md.
1727 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
1728 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
1729 and TDmode decimal float modes in FP registers.
1730 (num_insns_constant): Likewise.
1731 (rs6000_legitimate_offset_address_p): Likewise.
1732 (rs6000_legitimize_address): Likewise.
1733 (rs6000_legitimize_reload_address): Likewise.
1734 (rs6000_legitimate_address): Likewise.
1735 (rs6000_emit_move): Likewise.
1736 (function_arg_boundary): Likewise.
1737 (function_arg_advance): Likewise.
1738 (rs6000_darwin64_record_arg_recurse): Likewise.
1739 (function_arg): Likewise.
1740 (rs6000_gimplify_va_arg): Likewise.
1741 (rs6000_split_multireg_move): Likewise.
1742 (rs6000_output_function_epilogue): Likewise.
1743 (rs6000_output_function_epilogue): Likewise.
1744 (rs6000_register_move_cost): Likewise.
1745 (rs6000_function_value): Likewise.
1746 (rs6000_libcall_value): Likewise.
1748 2007-03-02 Richard Sandiford <richard@codesourcery.com>
1750 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
1752 2007-03-02 Richard Sandiford <richard@codesourcery.com>
1754 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
1755 Use $MULTIDIR to choose between the kernel and RTP headers,
1756 and use $WIND_BASE and $WIND_USR to locate them.
1758 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
1760 * config/i386/i386.c (override_options): Put initialization of
1761 ix86_tune_mask and ix86_arch_mask to the correct place.
1763 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
1764 Michael Meissner <michael.meissner@amd.com>
1767 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
1769 (TARGET_CMOVE): Use ARCHMASK.
1770 (TARGET_CMPXCHG): Ditto.
1771 (TARGET_CMPXCHG8B): Ditto.
1772 (TARGET_XADD): Ditto.
1773 (TARGET_BSWAP): Ditto.
1774 * config/i386/i386.c (ix86_tune_mask): New global variable.
1775 (ix86_arch_mask): Ditto.
1776 (override_options): Initialize ix86_tune_mask and
1777 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
1780 2007-03-02 Ben Elliston <bje@au.ibm.com>
1783 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
1785 2007-03-02 Joseph Myers <joseph@codesourcery.com>
1787 * target.h (init_dwarf_reg_sizes_extra): New target hook.
1788 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
1789 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
1790 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
1792 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
1793 rs6000_init_dwarf_reg_sizes_extra): New.
1794 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
1795 SPE register high parts.
1797 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
1799 * Makefile.in: Add install-pdf target as
1800 copied from automake v1.10 rules.
1801 * configure.ac: Add install-pdf to target list.
1802 * configure: Regenerate.
1804 2007-03-01 Paul Brook <paul@codesourcery.com>
1806 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
1807 modes to LDRD for DImode.
1808 (output_move_double): Fixup out of range ldrd/strd.
1809 (vfp_secondary_reload_class): Rename...
1810 (coproc_secondary_reload_class): ... to this. Add wb argument.
1811 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
1812 coproc_secondary_reload_class for CLASS_IWMMXT.
1813 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
1814 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
1816 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
1818 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the unroll
1819 factor by the estimated number of iterations.
1820 (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
1823 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
1824 decode_caches_intel, detect_caches_intel): New functions.
1825 (host_detect_local_cpu): Use detect_caches_amd and
1826 detect_caches_intel.
1828 2007-03-01 Richard Henderson <rth@redhat.com>
1830 * expr.c (emit_move_complex_push): Export.
1831 (emit_move_complex_parts): Split out from ...
1832 (emit_move_complex): ... here.
1833 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
1834 * config/i386/i386.md (movcdi): New.
1836 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
1838 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
1839 size of mode1 to check for tieable modes in MMX case.
1841 2007-03-01 Richard Sandiford <richard@codesourcery.com>
1843 * Makefile.in (rtlanal.o): Depend on tree.h.
1844 * rtl.h (offset_within_section_p, split_const): Declare.
1845 * rtlanal.c: Include tree.h.
1846 (offset_within_block_p): New function, taken from
1847 mips_offset_within_object_p.
1848 (split_const): New function, taken from mips_split_const.
1849 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
1851 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
1852 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
1853 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
1854 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
1855 (m68k_illegitimate_symbolic_constant_p): New function.
1856 * config/m68k/m68k.md (movsi): Remove misleading predicates.
1857 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
1858 symbolic constant that might be outside the symbol's section,
1859 move the symbol first and then add the offset.
1860 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
1862 * config/mips/mips.c (mips_split_const): Delete.
1863 (mips_offset_within_object_p): Delete.
1864 (mips_symbolic_constant_p): Use offset_within_section_p and
1865 split_const instead of mips_offset_within_object_p and
1867 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
1868 (mips_legitimize_const_move, print_operand_reloc)
1869 (mips_dangerous_for_la25_p): Use split_const instead of
1872 2007-02-28 Eric Christopher <echristo@apple.com>
1874 * Makefile.in (install-include-dir): Don't rm -rf include.
1876 2007-02-28 Richard Guenther <rguenther@suse.de>
1879 * fold-const.c (fold_binary): Do not associate expressions
1880 with more than one variable for integer types that do not wrap.
1882 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
1884 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
1885 Delete, and replace with...
1886 (fold_builtin_call_array): This. Update callers to use it.
1887 * fold-const.c (fold_build_call_list): Delete, and replace with...
1888 (fold_build_call_array): This.
1889 (fold_build_call_list_initializer): Delete, and replace with...
1890 (fold_build_call_array_initializer): This.
1891 * tree.h: Update declarations to reflect above changes.
1893 * c-typeck.c (build_function_call): Store converted arguments
1894 in a stack-allocated array instead of building a list.
1895 (convert_arguments): Store arguments in the array passed in as an
1896 argument, and return the actual number of arguments.
1897 * c-format.c: (check_function_format): Pass arguments in an
1898 array instead of a list.
1899 * c-common.c (check_function_nonnull): Likewise.
1900 (check_function_sentinel): Likewise.
1901 (check_function_arguments): Likewise.
1902 * c-common.h: Update declarations to reflect above changes.
1904 2007-02-28 Jan Hubicka <jh@suse.cz>
1906 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
1907 PRED_NEGATIVE_RETURN): Update outcomes.
1909 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
1911 * calls.c (emit_library_call_value_1): Handle partial registers
1912 correctly when building up CALL_INSN_FUNCTION_USAGE.
1914 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1916 * pa/predicates.md (move_src_operand): Allow zero for mode.
1917 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
1920 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
1923 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
1924 *movv2df_internal): Enable pattern only for valid operand
1926 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
1927 tie only 128bit modes. For MMX registers, tie only 64bit modes.
1929 2007-02-27 Mike Stump <mrs@apple.com>
1931 * config/darwin-crt3.c: Avoid compilation when compiling for a
1934 2007-02-27 Joseph Myers <joseph@codesourcery.com>
1936 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
1938 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
1939 for fixed headers and limits.h.
1940 (install-include-dir, install-headers-tar, install-headers-cpio,
1941 install-headers-cp, real-install-headers-tar,
1942 real-install-headers-cpio, real-install-headers-cp): Handle
1943 include-fixed as well as include.
1944 (install-mkheaders): Don't install files that go only in include
1946 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
1947 from GCC_INCLUDE_DIR.
1948 * gcc.c (process_command): Remove special -BstageN/ handling.
1949 (do_spec_1): Add include-fixed directories.
1951 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
1953 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
1955 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
1957 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
1960 2007-02-27 Mark Mitchell <mark@codesourcery.com>
1962 * c-common.c (get_priority): Add check for
1963 SUPPORTS_INIT_PRIORITY.
1965 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
1967 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
1969 * config/bfin/bfin.c: Include "cfglayout.h".
1970 (MAX_LSETUP_DISTANCE): New macro.
1971 (struct loop_info): New members incoming, incoming_src and
1972 incoming_dest. Delete member predecessor.
1973 (length_for_loop): New function.
1974 (bfin_optimize_loop): Handle more different loop structures.
1975 (bfin_discover_loop): Rework detection of predecessor blocks by
1976 examining incoming edges.
1977 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
1979 (bfin_reorder_loops): New function.
1980 (bfin_reorg_loops): Use these three new functions.
1982 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
1983 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
1984 (CONSTRAINT_LEN): Add entry for 'q'.
1985 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
1986 Add 'q' constraints.
1987 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
1988 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
1990 * config/bfin/bfin.md (add_with_carry): New pattern.
1991 (s_or_u, su_optab, su_modifier): New code macros/attrs.
1992 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
1993 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
1994 support unsigned multiplies too. Removed incorrect commutativity from
1995 operand 1 constraint where appropriate.
1996 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
1998 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
1999 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
2001 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
2002 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
2003 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
2004 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
2005 usmulhisi_hh_huh): New patterns.
2007 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
2008 lshifthi3): Fix output template to use half reg for operand 2.
2010 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
2013 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
2015 2007-02-27 Andreas Schwab <schwab@suse.de>
2017 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
2019 2007-02-27 Jan Hubicka <jh@suse.cz>
2021 * predict.c (last_basic_block_p): Remove.
2022 (tree_estimate_probability): Update return heuristic for commonized
2025 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
2027 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
2029 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
2031 * doc/include/gcc-common.texi (versionsubtitle): New macro.
2032 * doc/cpp.texi: Standardize title page.
2033 * doc/cppinternals.texi: Likewise.
2034 * doc/gcc.texi: Standardize title page, remove version number
2035 from copyright page.
2036 * doc/gccint.texi: Likewise.
2037 * doc/install.texi: Standardize title page, add table of
2040 2007-02-26 Jan Hubicka <jh@suse.cz>
2042 * predict.def: Set outcomes according to more recent results.
2043 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
2044 Remove dead predictors.
2045 * predict.c (return_prediction): Fix pasto.
2047 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
2049 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
2050 change; avoid a memory leak when returning early.
2052 2007-02-26 Mark Mitchell <mark@codesourcery.com>
2054 * c-decl.c (static_ctors): Move to c-common.c.
2055 (static_dtors): Likewise.
2056 (finish_function): Use c_record_cdtor_fn.
2057 (build_cdtor): Move to c-common.c.
2058 (c_write_global_declarations): Use c_build_cdtor_fns.
2059 * c-common.h (static_ctors): Declare.
2060 (static_dtors): Likewise.
2061 (c_record_cdtor_fn): Likewise.
2062 (c_build_cdtor_fns): Likewise.
2063 * c-common.c (static_ctors): New variable.
2064 (static_dtors): Likewise.
2065 (c_record_cdtor_fn): New function.
2066 (build_cdtor): Move from c-decl.c
2067 (c_build_cdtor_fns): New function.
2069 * output.h (assemble_addr_to_section): Declare.
2070 (get_cdtor_priority_section): Likewise.
2071 * varasm.c (assemble_addr_to_section): New function.
2072 (get_cdtor_priority_section): Likewise.
2073 (default_named_section_asm_out_destructor): Use them.
2074 (destor_dtor_section_asm_out_destructor): Likewise.
2075 (default_named_section_asm_out_constructor): Likewise.
2076 (default_ctor_section_asm_out_constructor): Likewise.
2077 * config.gcc (*-*-vxworks*): Include vxworks.o.
2078 * config/t-vxworks (vxworks.o): New target.
2079 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
2080 (TARGET_ASM_CONSTRUCTOR): Define.
2081 (TARGET_ASM_DESTRUCTOR): Likewise.
2082 (vxworks_asm_out_constructor): Declare.
2083 (vxworks_asm_out_destructor): Likewise.
2085 * c-common.c (get_priority): Check that we have not just an
2086 INTEGER_CST, but an integer constant with integeral type.
2088 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
2090 PR tree-optimization/30938
2091 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
2092 use &dt[nargs-1] instead of &dt[nargs] in the call to
2093 vect_is_simple_use().
2095 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
2097 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
2098 from register elimination as PRE_MODIFY / POST_MODIFY increments.
2099 Do not attempt to handle MEM inside auto-inc expressions.
2100 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
2101 of a register modified by an auto-inc expression. However, do handle
2102 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
2103 (elimination_effects): Prohibit elimination of a register modified
2104 by an auto-inc expression. Disable register elimination rules whose
2105 target register is modified by an auto-inc expression with variable
2108 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
2110 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
2112 (array_at_struct_end_p): New function.
2113 (idx_infer_loop_bounds): Use it.
2114 (estimate_numbers_of_iterations_loop): Export.
2115 * predict.c (predict_loops): Use estimated_loop_iterations_int.
2116 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
2117 (tree_estimate_probability): Call record_loop_exits.
2118 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
2119 (estimated_loop_iterations, estimated_loop_iterations_int,
2120 estimated_loop_iterations_tree): New functions.
2121 (analyze_siv_subscript_cst_affine,
2122 compute_overlap_steps_for_affine_1_2,
2123 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
2124 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
2125 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
2126 (PRED_LOOP_ITERATIONS_GUESSED): New.
2127 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
2128 * cfgloop.h (estimate_numbers_of_iterations_loop,
2129 estimated_loop_iterations_int): Declare.
2131 2007-02-25 Mark Mitchell <mark@codesourcery.com>
2133 * doc/extend.texi: Document optional priority argument to
2134 constructors and destructors.
2135 * tree.c (init_priority_for_decl): Adjust GTY markers.
2136 (init_ttree): Use priority-info hash functions for
2137 init_priority_for_decl.
2138 (tree_map_eq): Rename to ...
2139 (tree_map_base_eq): ... this.
2140 (tree_map_marked_p): Rename to ...
2141 (tree_map_base_marked_p): ... this.
2142 (tree_map_base_hash): New function.
2143 (decl_init_priority_lookup): Rework.
2144 (decl_fini_priority_lookup): New function.
2145 (decl_priority_info): New function.
2146 (decl_init_priority_insert): Use it.
2147 (decl_fini_priority_insert): Likewise.
2148 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
2150 (decl_restrict_base_insert): Likewise.
2151 (decl_debug_expr_insert): Likewise.
2152 (decl_value_expr_lookup): Likewise.
2153 (decl_value_expr_insert): Likewise.
2154 * tree.h (priority_type): New type.
2155 (decl_init_priority_lookup): Use priority_type.
2156 (decl_fini_priority_lookup): New function.
2157 (decl_init_priority_insert): Use priority_type.
2158 (decl_fini_priority_insert): New function.
2159 (DECL_HAS_INIT_PRIORITY): Tweak comments.
2160 (DECL_INIT_PRIORITY): Likewise.
2161 (SET_DECL_INIT_PRIORITY): Add comment.
2162 (DECL_FINI_PRIORITY): New macro.
2163 (SET_DECL_FINI_PRIORITY): Likewise.
2164 (DEFAULT_INIT_PRIORITY): Document.
2165 (MAX_INIT_PRIORITY): Likewise.
2166 (MAX_RESERVED_INIT_PRIORITY): Likewise.
2167 (tree_map_base): New type.
2168 (tree_map_base_eq): New function.
2169 (tree_map_base_hash): Likewise.
2170 (tree_map_base_marked_p): Likewise.
2171 (tree_map): Inherit from tree_map_base.
2172 (tree_map_eq): Make it a macro.
2173 (tree_map_marked_p): Likewise.
2174 (tree_int_map): Inherit from tree_map_base.
2175 (tree_int_map_eq): Make it a macro.
2176 (tree_int_map_hash): Likewise.
2177 (tree_int_map_marked_p): Likewise.
2178 (tree_priority_map): New type.
2179 (tree_priority_map_eq): New macro.
2180 (tree_priority_map_hash): Likewise.
2181 (tree_priority_map_marked_p): Likewise.
2182 * varasm.c (emults_decl): Adjust for refactoring of tree_map
2184 (emutls_common_1): Likewise.
2185 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
2186 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
2187 of tree_map hierarchy.
2188 * tree-cfg.c (move_stmt_r): Likewise.
2189 (new_label_mapper): Likewise.
2190 * c-tree.h (c_expand_body): Move to ...
2191 * c-common.h (c_expand_body): ... here.
2192 * c-decl.c (c_expand_body): Move to ...
2193 * c-common.c (c_expand_body): ... here.
2194 (c_common_attribute_table): Allow 1 argument for the constructor
2195 and destructor attributes.
2196 (get_priority): New function.
2197 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
2198 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
2200 2007-02-24 Jan Hubicka <jh@suse.cz>
2203 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
2205 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
2206 Jan Hubicka <jh@suse.cz>
2209 * i386.c (counter_mode): New function.
2210 (expand_set_or_movmem_via_loop): Use it.
2211 (expand_movmem_epilogue): Likewise; fix pasto.
2212 (ix86_expand_movmem): Do emit guard even for constant counts.
2213 (ix86_expand_setmem): Likewise.
2215 2007-02-25 Nick Clifton <nickc@redhat.com>
2217 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
2218 (JUMP_TABLES_IN_TEXT_SECTION): Define.
2220 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
2223 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
2224 count argument with 0x10, not with 0x16.
2225 (expand_setmem_epilogue): Ditto.
2227 2007-02-24 Mike Stump <mrs@apple.com>
2229 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
2232 2007-02-24 Richard Guenther <rguenther@suse.de>
2235 * fold-const.c (fold_binary): Fold x +- CST op x for
2236 EQ_EXPR and NE_EXPR.
2238 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2240 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
2242 2007-02-24 Jan Hubicka <jh@suse.cz>
2244 * cgraphunit.c (decide_is_function_needed): Honor
2245 -fkeep-inline-functions.
2247 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2249 * builtins.c (fold_builtin_modf): New.
2250 (fold_builtin_2): Use it.
2252 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
2254 * loop-iv.c (implies_p): Detect additional cases where A implies B.
2255 (determine_max_iter): Take additional LOOP arg; all callers changed.
2256 Lose broken logic dealing with PLUS. Try to limit the upper bound by
2257 one using simplifications.
2258 (simplify_using_initial_values): Return if the expression becomes
2259 invalid due to altered regs.
2261 2007-02-23 DJ Delorie <dj@redhat.com>
2263 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
2265 2007-02-23 Mike Stump <mrs@apple.com>
2267 * tlink.c (scan_linker_output): Parse linker messages from
2268 darwin9's linker better.
2270 2007-02-23 Steve Ellcey <sje@cup.hp.com>
2273 * varpool.c (varpool_assemble_pending_decls): Set
2274 varpool_last_needed_node to null.
2276 2007-02-23 DJ Delorie <dj@redhat.com>
2278 * config/i386/i386.c (ix86_data_alignment): Don't specify an
2279 alignment bigger than the object file can handle.
2281 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
2284 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
2285 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
2286 (*movsf_1): Penalize MMX moves.
2288 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
2290 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
2291 2^32-1 or more times unless flag_unsafe_loop_optimizations.
2293 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
2295 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2297 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
2298 (fold_builtin_1): Use them.
2299 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2300 BUILT_IN_SIGNIFICAND.
2302 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
2304 * config/i386/i386.c (bdesc_1arg): Initialize
2305 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
2306 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
2307 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
2308 and IX86_BUILTIN_MOVSLDUP.
2310 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
2312 PR rtl-optimization/30841
2313 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
2315 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2317 * builtins.c (fold_builtin_frexp): New.
2318 (fold_builtin_2): Use it.
2320 2007-02-22 Mark Mitchell <mark@codesourcery.com>
2322 * doc/invoke.texi (Spec Files): Document getenv spec function.
2324 * gcc.c (getenv_spec_function): New function.
2325 (static_spec_functions): Add it.
2326 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
2327 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
2330 2007-02-22 Michael Matz <matz@suse.de
2333 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
2334 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
2336 2007-02-22 Ian Lance Taylor <iant@google.com>
2339 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
2340 (mem_loc_descriptor): Call it.
2342 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
2343 Ira Rosen <irar@il.ibm.com>
2345 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
2347 2007-02-22 Ira Rosen <irar@il.ibm.com>
2349 PR tree-optimization/30843
2350 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
2351 stores only after all the group is vectorized.
2353 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
2355 PR tree-optimization/30858
2356 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
2357 in the reduction cycle have a single use in the loop.
2358 * tree-vectorizer.h (relevant): Add documentation.
2360 2007-02-20 Mike Stump <mrs@apple.com>
2362 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
2363 * configure: Regenerate.
2365 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2367 Change the defaults of some parameters and options.
2368 * config/spu/spu-protos.h (spu_optimization_options): Declare.
2369 * config/spu/spu.c (spu_optimization_options): Add.
2370 (spu_override_options): Change params in spu_optimization_options.
2371 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
2373 Register 127 is only 16 byte aligned when used as a frame pointer.
2374 * config/spu/spu-protos.h (spu_init_expanders): Declare.
2375 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
2376 HARD_FRAME_POINTER_REGNUM.
2377 (spu_legitimate_address): Use regno_aligned_for_reload.
2378 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
2379 aligned when frame_pointer_needed is true.
2380 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
2382 * config/spu/spu.h (INIT_EXPANDERS): Define.
2384 Make sure shift and rotate instructions have valid immediate operands.
2385 * config/spu/predicates.md (spu_shift_operand): Remove.
2386 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
2387 * config/spu/constraints.md (W, O): Extend range.
2388 * config/spu/spu.md (umask, nmask): Define.
2389 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
2390 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
2391 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
2392 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
2393 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
2394 (lshr<mode>3_reg): Fix rtl description.
2396 Make sure mulhisi immediate operands are valid.
2397 * config/spu/predicates.md (imm_K_operand): Add.
2398 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
2400 Generate constants using fsmbi and andi.
2401 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
2402 (print_operand, spu_split_immediate, classify_immediate,
2403 fsmbi_const_p): Handle IC_FSMBI2.
2405 Correctly handle a CONST_VECTOR containing symbols.
2406 * config/spu/spu.c (print_operand): Handle HIGH correctly.
2407 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
2408 (immediate_load_p): Allow symbols that use 2 instructions to create.
2409 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
2410 with symbols when flag_pic is set.
2411 (const_vector_immediate_p): New.
2412 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
2413 accept a CONST_VECTOR with symbols.
2414 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
2415 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
2417 * config/spu/spu.md (high, low): Delete.
2418 (low_<mode>): Define.
2420 Remove INTRmode and INTR_REGNUM, which didn't work.
2421 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
2423 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
2424 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
2425 peephole2 pattern): Don't use INTR or 131.
2426 (movintrcc): Delete.
2427 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
2428 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
2429 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
2430 (UNSPEC_SET_INTR): Add.
2431 * config/spu/spu-modes.def (INTR): Remove.
2433 More accurate warnings about run-time relocations.
2434 * config/spu/spu.c (reloc_diagnostic): Test in_section.
2436 Correctly warn about immediate arguments to specific intrinsics.
2437 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
2438 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
2439 the instruction predicate.
2441 Fix tree check errors with latest update.
2442 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
2444 (spu_expand_builtin): Use CALL_EXPR_FN.
2446 Add missing specific intrinsics.
2447 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
2449 * config/spu/spu_internals.h: Ditto.
2451 Fix incorrect operand modifiers.
2452 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
2453 * config/spu/spu.md (xor<mode>3): Change %S to %J.
2455 Optimize one case of zero_extend of a vec_select.
2456 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
2458 Accept any immediate for hbr.
2459 * config/spu/spu.md (hbr): Change s constraints to i.
2461 2007-02-21 Paul Brook <paul@codesourcery.com>
2463 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
2464 condexec_count when skipping USE and CLOBBER.
2466 2007-02-21 Nick Clifton <nickc@redhat.com>
2468 * common.opt (Warray-bounds): Add Warning attribute.
2469 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
2471 (fsized-zeroes): Add Optimization attribute.
2472 (fsplit-wide-types, ftree-scev-cprop): Likewise.
2473 * c.opt (Wc++0x-compat): Add Warning attribute.
2475 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
2478 * reload1.c (eliminate_regs_in_insn): In the single_set special
2479 case, attempt to re-recognize the insn before falling back to
2480 having reload fix it up.
2482 2007-02-20 Eric Christopher <echristo@gmail.com>
2484 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
2485 Rewrite accordingly.
2486 (frv_read_iacc_argument): Ditto.
2487 (frv_expand_set_builtin): Take a call instead of arglist, update for
2489 (frv_expand_unop_builtin): Ditto.
2490 (frv_expand_binop_builtin): Ditto.
2491 (frv_expand_cut_builtin): Ditto.
2492 (frv_expand_binopimm_builtin): Ditto.
2493 (frv_expand_voidbinop_builtin): Ditto.
2494 (frv_expand_int_void2arg): Ditto.
2495 (frv_expand_prefetches): Ditto.
2496 (frv_expand_voidtriop_builtin): Ditto.
2497 (frv_expand_voidaccop_builtin): Ditto.
2498 (frv_expand_load_builtin): Ditto.
2499 (frv_expand_store_builtin): Ditto.
2500 (frv_expand_mdpackh_builtin): Ditto.
2501 (frv_expand_mclracc_builtin): Ditto.
2502 (frv_expand_mrdacc_builtin): Ditto.
2503 (frv_expand_mwtacc_builtin): Ditto.
2504 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
2507 2007-02-20 Janis Johnson <janis187@us.ibm.com>
2509 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
2510 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
2512 (HAVE_GAS_DFP): Check for assembler support of decimal floating
2514 * configure: Regenerate.
2515 * config.in: Regenerate.
2516 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
2517 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
2518 masks to power6 and power6x and to POWERPC_MASKS.
2519 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2521 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
2522 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
2523 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2524 Access PROTOTYPE as variable, not mask.
2526 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
2528 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
2529 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
2530 * combine.c (adjust_for_new_dest): Use it.
2531 * postreload.c (reload_combine): Likewise.
2533 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
2535 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
2536 notes on an insn with multiple sets, even if single_set returns
2537 non-NULL for that insn.
2539 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2541 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
2544 2007-02-20 Geoffrey Keating <geoffk@apple.com>
2546 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
2547 if user didn't pass it.
2548 * config/i386/darwin.h (CC1_SPEC): Likewise.
2549 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
2550 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
2551 -mmacosx-version-min.
2553 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2554 Uros Bizjak <ubizjak@gmail.com>
2556 * optabs.h (enum optab_index): Add new OTI_scalb.
2557 (scalb_optab): Define corresponding macro.
2558 * optabs.c (init_optabs): Initialize scalb_optab.
2559 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
2561 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
2562 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
2563 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
2564 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
2565 flag_unsafe_math_optimizations is set.
2567 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
2568 to implement scalbf, scalb and scalbl built-ins as inline x87
2571 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2572 DJ Delorie <dj@redhat.com>
2575 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
2576 (diagnostic_report_diagnostic): ... here, and turn them into real
2577 errors. If warnings are inhibited, no need to do anything.
2579 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
2581 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
2582 better code generation.
2584 2007-02-20 Ben Elliston <bje@au.ibm.com>
2586 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
2588 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
2590 * config/alpha/alpha.c, config/alpha/alpha.md,
2591 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
2592 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
2593 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
2594 config/arm/lib1funcs.asm: Follow spelling conventions.
2596 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
2597 config/fr30/fr30.md, config/i386/i386.h,
2598 config/iq2000/iq2000.h, config/iq2000/predicates.md,
2599 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
2600 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
2601 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
2602 config/rs6000/altivec.md, config/rs6000/rs6000.c,
2603 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
2604 config/sparc/sparc.c, config/sparc/sparc.h,
2605 config/sparc/sparc.md, config/spu/constraints.md,
2606 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
2609 2007-02-20 Alan Modra <amodra@bigpond.net.au>
2612 * varasm.c (use_blocks_for_decl_p): Return false for decls with
2615 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
2617 * doc/invoke.texi (-ftree-lrs): Remove.
2619 2007-02-19 Diego Novillo <dnovillo@redhat.com>
2621 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
2624 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
2626 * config/ia64/ia64.c (ia64_expand_builtin): Use the
2627 new CALL_EXPR_FN macro for retrieving the function
2628 declaration of the input expression.
2630 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2632 * c.opt (Waddress): New.
2633 * common.opt (Walways-true): Delete.
2634 (Wstring-literal-comparison): Delete.
2635 * doc/invoke.texi (Warning Options): Delete -Walways-true and
2636 -Wstring-literal-comparison. Add -Waddress.
2638 (Walways-true): Delete.
2639 (Wstring-literal-comparison): Delete.
2640 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
2641 consistently instead of -Walways-true in example.
2642 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
2643 * c-typeck.c (parser_build_binary_op): Replace
2644 -Wstring-literal-comparison and -Walways-true with -Waddress.
2645 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
2648 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
2650 * tree-cfg.c (dump_function_to_file): Be prepared for functions
2651 without DECL_STRUCT_FUNCTION initialized.
2653 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
2655 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
2656 due to calls to functions taking pointers as parameters.
2658 2007-02-19 Richard Henderson <rth@redhat.com>
2661 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
2664 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
2666 * config/s390/s390.c (s390_call_saved_register_used,
2667 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
2668 accessed to the new scheme.
2670 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2672 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
2673 (cris_print_index, cris_print_operand, cris_print_operand_address)
2674 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
2675 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
2676 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
2678 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
2679 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
2680 GO_IF_LEGITIMATE_ADDRESS): Ditto.
2681 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
2682 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
2683 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
2684 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
2685 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
2686 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
2687 (uminsi3, call, call_value): Ditto.
2688 (define_split: indir_to_reg_split, unnamed): Ditto.
2690 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
2692 PR tree-optimization/30975
2693 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
2696 2007-02-18 Eric Christopher <echristo@gmail.com>
2698 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
2699 Remove use of arglist.
2700 (mips_expand_builtin): Remove use of arglist, pass in expr.
2701 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
2702 (mips_expand_builtin_movtf): Ditto.
2703 (mips_expand_builtin_compare): Ditto.
2705 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
2707 * tree-sra.c (sra_build_assignment): Replace assertion
2708 checking with a comment explaining why it can't be done.
2710 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
2713 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
2714 during CALL_EXPR representation conversion.
2715 * tree-ssa-propagate.c (set_rhs): Likewise.
2717 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
2719 * tree-sra.c (sra_build_assignment): Disable assertion checking
2722 2007-02-18 Roger Sayle <roger@eyesopen.com>
2724 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
2725 instead of calling build2 with a GIMPLE_MODIFY_STMT.
2726 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
2728 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
2729 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
2730 gimplify_init_ctor_eval_range, gimple_push_cleanup,
2731 gimplify_omp_for, gimplify_omp_atomic_pipeline,
2732 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
2733 force_gimple_operand): Likewise.
2734 * ipa-cp.c (constant_val_insert): Likewise.
2735 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2736 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
2737 perfect_nestify): Likewise.
2738 * langhooks.c (lhd_omp_assignment): Likewise.
2739 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
2740 lower_copyprivate_clauses, lower_send_clauses,
2741 lower_send_shared_vars, expand_parallel_call,
2742 expand_omp_for_generic, expand_omp_for_static_nochunk,
2743 expand_omp_for_static_chunk, expand_omp_sections,
2744 lower_omp_single_copy, lower_omp_for_lastprivate,
2745 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
2746 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
2747 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
2750 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
2752 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
2753 config/sh/sh.md: Follow spelling conventions.
2755 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
2756 config/frv/predicates.md: Follow spelling conventions.
2758 * config/m68k/linux-unwind.h: Fix a comment typo.
2759 * target.h: Follow spelling conventions.
2761 2007-02-18 Roger Sayle <roger@eyesopen.com>
2763 PR rtl-optimization/28173
2764 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
2765 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
2766 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
2767 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
2768 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
2770 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2772 * builtins.c (fold_builtin_load_exponent): New.
2773 (fold_builtin_2): Use it.
2775 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
2777 PR rtl-optimization/30773
2778 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
2779 if we fail to attach a REG_EQUIV note.
2781 2007-02-18 David Edelsohn <edelsohn@gnu.org>
2782 Roger Sayle <roger@eyesopen.com>
2784 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
2786 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
2788 * calls.c (initialize_argument_information): Pass original EXP
2789 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
2790 code to split complex arguments here, as part of initializing the
2792 (expand_call): Remove code that builds a list of arguments and
2793 inserts implicit arguments into it. Instead, just count how many
2794 implicit arguments there will be so we can determine the size of
2795 the ARGS array, and let initialize_argument_information do the work.
2796 (split_complex_values): Delete unused function.
2798 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
2800 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
2802 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
2804 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
2805 for arg pointer based indexed addressing.
2807 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
2809 * config/ia64/ia64.h, config/ia64/ia64.md,
2810 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
2811 spelling conventions.
2813 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
2815 * config/m68k/m68k.c (split_di): New.
2816 * config/m68k/m68k-protos.h: Declare split_di.
2817 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
2818 Improve predicate handling and split constant shifts.
2820 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
2822 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
2823 parameter for register bitfield operations, general predicates
2826 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
2828 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
2829 * config/m68k/linux-unwind.h: New file.
2831 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
2833 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
2834 config/i386/athlon.md, config/ia64/ia64.md,
2835 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
2836 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
2837 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
2838 tree-ssa-loop-niter.c, tree-vect-analyze.c,
2839 tree-vect-transform.c: Fix comment typos.
2841 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
2843 * sched-deps.c (find_insn_list): Remove.
2844 * sched-int.h: Remove the prototype for find_insn_list.
2846 2007-02-16 Geoffrey Keating <geoffk@apple.com>
2848 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
2850 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
2851 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
2852 darwin_rs6000_override_options.
2853 (C_COMMON_OVERRIDE_OPTIONS): Expect
2854 darwin_macosx_version_min to be non-NULL always.
2855 (TARGET_C99_FUNCTIONS): Likewise.
2856 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
2857 (DARWIN_MINVERSION_SPEC): New.
2858 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
2859 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
2861 (DARWIN_MINVERSION_SPEC): New.
2862 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
2864 * config/darwin-c.c (darwin_cpp_builtins): Expect
2865 darwin_macosx_version_min to be non-NULL always.
2867 * config/rs6000/rs6000.c: Clean up trailing whitespace.
2869 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
2871 * config/i386/i386.h (x86_use_xchgb): New.
2872 (TARGET_USE_XCHGB): New macro.
2873 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
2874 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
2875 Split after reload into bswaphi for shifts of 8.
2876 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
2877 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
2878 or when optimizing for size.
2880 2007-02-16 Richard Guenther <rguenther@suse.de>
2881 Christian Bruel <christian.bruel@st.com>
2883 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
2884 DECLs but prefer SSA_NAMEs over DECLs.
2886 2007-02-16 Richard Guenther <rguenther@suse.de>
2888 * tree-flow-inline.h (single_imm_use_p): Remove.
2889 (zero_imm_uses_p): Likewise.
2890 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
2891 instead of single_imm_use_p.
2892 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
2895 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2898 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
2899 nested double- and backquotes.
2901 2007-02-15 Roger Sayle <roger@eyesopen.com>
2904 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
2905 should be unreachable.
2906 (build2_stat): Allow construction of MODIFY_EXPR at any time.
2907 For the time being redirect GIMPLE_MODIFY_STMT to the new
2908 (renamed) build_gimple_modify_stmt_stat.
2909 (build2_gimple_stat): Rename to...
2910 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
2911 Always build a GIMPLE_MODIFY_STMT node.
2912 * tree.h (build2_gimple, build2_gimple_stat): Delete.
2913 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
2916 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
2917 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
2918 * tree-complex.c (set_component_ssa_name, expand_complex_move,
2919 expand_complex_div_wide): Likewise.
2920 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
2921 * tree-ssa-loop-im.c (schedule_sm): Likewise.
2922 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
2923 * tree-ssa-loop-manip.c (create_iv): Likewise.
2924 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
2925 abs_replacement): Likewise.
2926 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
2927 realify_fake_stores): Likewise.
2929 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
2930 node rather than a GIMPLE_MODIFY_STMT node.
2931 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
2932 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
2934 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
2935 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
2938 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2941 * fold-const.c (fold_comparison): Add back the
2942 folding of constant complex comparisions.
2944 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2947 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
2948 effects unknown to this function, return early.
2950 2007-02-15 Ian Lance Taylor <iant@google.com>
2952 * lower-subreg.c (move_eh_region_note): New static function.
2953 (resolve_simple_move): Call it.
2954 (decompose_multiword_subregs): Track blocks for which we resolve a
2955 simple move which is also a control flow insn. Pass them to
2956 find_many_sub_basic_blocks.
2957 (pass_lower_subreg): Add TODO_verify_flow.
2958 (pass_lower_subreg2): Likewise.
2960 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
2961 Brooks Moses <brooks.moses@codesourcery.com>
2962 Lee Millward <lee.millward@codesourcery.com>
2964 * tree.h (enum tree_code_class): Add tcc_vl_exp.
2965 (VL_EXP_CLASS_P): New.
2966 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
2968 (TREE_OPERAND_CHECK_CODE): Likewise.
2969 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
2970 (TREE_RTL_OPERAND_CHECK): Likewise.
2971 (tree_operand_check_failed): Make second parameter the whole tree
2972 instead of its code. Fixed callers.
2973 (VL_EXP_CHECK): New.
2974 (TREE_OPERAND_LENGTH): New.
2975 (VL_EXP_OPERAND_LENGTH): New.
2976 (CALL_EXPR_FN): New.
2977 (CALL_EXPR_STATIC_CHAIN): New.
2978 (CALL_EXPR_ARGS): New.
2979 (CALL_EXPR_ARG): New.
2980 (call_expr_nargs): New.
2981 (CALL_EXPR_ARGP): New.
2982 (build_nt_call_list): Declare.
2983 (build_vl_exp_stat): Declare.
2984 (build_vl_exp): New.
2985 (build_call_list): Declare.
2986 (build_call_nary): Declare.
2987 (build_call_valist): Declare.
2988 (build_call_array): Declare.
2989 (call_expr_arg): Declare.
2990 (call_expr_argp): Declare.
2991 (call_expr_arglist): Declare.
2992 (fold_build_call_list): Declare.
2993 (fold_build_call_list_initializer): Declare.
2994 (fold_call_expr): Declare to replace fold_builtin.
2995 (fold_builtin_fputs): Update to agree with modified definition.
2996 (fold_builtin_strcpy): Likewise.
2997 (fold_builtin_strncpy): Likewise.
2998 (fold_builtin_memory_chk): Likewise.
2999 (fold_builtin_stxcpy_chk): Likewise.
3000 (fold_builtin_strncpy_chk): Likewise.
3001 (fold_builtin_next_arg): Likewise.
3002 (fold_build_call_expr): Declare.
3003 (fold_builtin_call_list): Declare.
3004 (fold_builtin_call_valist): Declare.
3005 (build_call_expr): Declare.
3006 (validate_arglist): Update to agree with modified definition.
3007 (tree_operand_length): New.
3008 (call_expr_arg_iterator): New.
3009 (init_call_expr_arg_iterator): New.
3010 (next_call_expr_arg): New.
3011 (first_call_expr_arg): New.
3012 (more_call_expr_args_p): New.
3013 (FOR_EACH_CALL_EXPR_ARG): New.
3015 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
3016 and tcc_gimple_stmt.
3017 (tree_code_size): Update documentation. Use sizeof (tree) rather
3018 than sizeof (char *).
3019 (tree_size): Likewise. Add case for tcc_vl_exp.
3020 (tree_node_structure): Add case for tcc_vl_exp.
3021 (contains_placeholder_p): Likewise.
3022 (substitute_in_expr): Likewise.
3023 (substitute_placeholder_in_expr): Likewise.
3024 (stabilize_reference_1): Likewise.
3025 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
3026 to diagnose breakage of this interface for constructing CALL_EXPRs.
3027 (build_nt): Add similar assertion here.
3028 (build_nt_call_list): New.
3029 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
3030 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
3032 (get_callee_fndecl): Use new CALL_EXPR accessors.
3033 (tree_operand_check_failed): Change parameters to pass entire node
3034 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
3035 (process_call_operands): New.
3036 (build_vl_exp_stat): New.
3037 (build_call_list): New.
3038 (build_call_nary): New.
3039 (build_call_valist): New.
3040 (build_call_array): New.
3041 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3042 (call_expr_arglist): New.
3044 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
3045 tcc_vl_exp instead of a fixed-size tcc_expression.
3047 * doc/c-tree.texi (CALL_EXPR): Document new representation and
3048 accessors for CALL_EXPRs.
3049 (AGGR_INIT_EXPR): Likewise.
3051 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3052 Brooks Moses <brooks.moses@codesourcery.com>
3053 Lee Millward <lee.millward@codesourcery.com>
3055 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
3056 (expand_builtin_nonlocal_goto): Change parameter to be entire
3057 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
3058 (expand_builtin_prefetch): Likewise.
3059 (expand_builtin_classify_type): Likewise.
3060 (mathfn_built_in): Return NULL_TREE instead of 0.
3061 (expand_errno_check): Use new CALL_EXPR accessors.
3062 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
3063 Return NULL_RTX instead of 0.
3064 (expand_builtin_mathfn_2): Likewise.
3065 (expand_builtin_mathfn_3): Likewise.
3066 (expand_builtin_interclass_mathfn): Likewise.
3067 (expand_builtin_sincos): Likewise.
3068 (expand_builtin_cexpi): Likewise.
3069 (expand_builtin_int_roundingfn): Likewise.
3070 (expand_builtin_int_roundingfn_2): Likewise.
3071 (expand_builtin_pow): Likewise.
3072 (expand_builtin_powi): Likewise.
3073 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
3074 of arglist, fixing callers appropriately. Use new CALL_EXPR
3075 accessors and constructors. Return NULL_RTX instead of 0.
3076 (expand_builtin_strstr): Likewise.
3077 (expand_builtin_strchr): Likewise.
3078 (expand_builtin_strrchr): Likewise.
3079 (expand_builtin_strpbrk): Likewise.
3080 (expand_builtin_memcpy): Likewise.
3081 (expand_builtin_mempcpy): Likewise.
3082 (expand_builtin_mempcpy_args): New.
3083 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
3084 (expand_builtin_memmove_args): New.
3085 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
3086 (expand_movstr): Likewise.
3087 (expand_builtin_strcpy): Likewise.
3088 (expand_builtin_strcpy_args): New.
3089 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
3090 (expand_builtin_strncpy): Likewise.
3091 (expand_builtin_memset): Likewise.
3092 (expand_builtin_memset_args): New.
3093 (expand_builtin_bzero): Similarly to expand_builtin_memset.
3094 (expand_builtin_memcmp): Likewise.
3095 (expand_builtin_strcmp): Likewise.
3096 (expand_builtin_strncmp): Likewise.
3097 (expand_builtin_strcat): Likewise.
3098 (expand_builtin_strncat): Likewise.
3099 (expand_builtin_strspn): Likewise.
3100 (expand_builtin_strcspn): Likewise.
3101 (expand_builtin_args_info): Likewise.
3102 (expand_builtin_va_start): Likewise.
3103 (gimplify_va_arg_expr): Likewise.
3104 (expand_builtin_va_end): Likewise.
3105 (expand_builtin_va_copy): Likewise.
3106 (expand_builtin_frame_address): Likewise.
3107 (expand_builtin_alloca): Likewise.
3108 (expand_builtin_bswap): Likewise.
3109 (expand_builtin_unop): Likewise.
3110 (expand_builtin_fputs): Likewise.
3111 (expand_builtin_expect): Likewise.
3112 (expand_builtin_fabs): Likewise.
3113 (expand_builtin_copysign): Likewise.
3114 (expand_builtin_printf): Likewise.
3115 (expand_builtin_fprintf): Likewise.
3116 (expand_builtin_sprintf): Likewise.
3117 (expand_builtin_init_trampoline): Likewise.
3118 (expand_builtin_signbit): Likewise.
3119 (expand_builtin_fork_or_exec): Likewise.
3120 (expand_builtin_sync_operation): Likewise.
3121 (expand_builtin_compare_and_swap): Likewise.
3122 (expand_builtin_lock_test_and_set): Likewise.
3123 (expand_builtin_lock_release): Likewise.
3124 (expand_builtin): Likewise.
3125 (builtin_mathfn_code): Likewise.
3127 (fold_builtin_constant_p): Pass call arguments individually instead
3128 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
3129 accessors and constructors. Return NULL_TREE instead of 0.
3130 (fold_builtin_expect): Likewise.
3131 (fold_builtin_classify_type): Likewise.
3132 (fold_builtin_strlen): Likewise.
3133 (fold_builtin_nan): Likewise.
3134 (integer_valued_real_p): Likewise.
3135 (fold_trunc_transparent_mathfn): Likewise.
3136 (fold_fixed_mathfn): Likewise.
3137 (fold_builtin_cabs): Likewise.
3138 (fold_builtin_sqrt): Likewise.
3139 (fold_builtin_cbrt): Likewise.
3140 (fold_builtin_cos): Likewise.
3141 (fold_builtin_cosh): Likewise.
3142 (fold_builtin_tan): Likewise.
3143 (fold_builtin_sincos): Likewise.
3144 (fold_builtin_cexp): Likewise.
3145 (fold_builtin_trunc): Likewise.
3146 (fold_builtin_floor): Likewise.
3147 (fold_builtin_ceil): Likewise.
3148 (fold_builtin_round): Likewise.
3149 (fold_builtin_int_roundingfn): Likewise.
3150 (fold_builtin_bitop): Likewise.
3151 (fold_builtin_bswap): Likewise.
3152 (fold_builtin_logarithm): Likewise.
3153 (fold_builtin_hypot): Likewise.
3154 (fold_builtin_pow): Likewise.
3155 (fold_builtin_powi): Likewise.
3156 (fold_builtin_exponent): Likewise.
3157 (fold_builtin_memset): Likewise.
3158 (fold_builtin_bzero): Likewise.
3159 (fold_builtin_memory_op): Likewise.
3160 (fold_builtin_bcopy): Deleted; call site changed to invoke
3161 fold_builtin_memory_op directly.
3162 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
3163 (fold_builtin_strncpy): Likewise.
3164 (fold_builtin_memcmp): Likewise.
3165 (fold_builtin_strcmp): Likewise.
3166 (fold_builtin_strncmp): Likewise.
3167 (fold_builtin_signbit): Likewise.
3168 (fold_builtin_copysign): Likewise.
3169 (fold_builtin_isascii): Likewise.
3170 (fold_builtin_toascii): Likewise.
3171 (fold_builtin_isdigit): Likewise.
3172 (fold_builtin_fabs): Likewise.
3173 (fold_builtin_abs): Likewise.
3174 (fold_builtin_fmin_fmax): Likewise.
3175 (fold_builtin_carg): Likewise.
3176 (fold_builtin_classify): Likewise.
3177 (fold_builtin_unordered_cmp): Likewise.
3179 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
3180 New functions split out from fold_builtin_1.
3181 (fold_builtin_n): New.
3182 (fold_builtin_varargs): New.
3183 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
3185 (fold_call_expr): New.
3186 (build_function_call_expr): Rewrite to use new helper function.
3187 (fold_builtin_call_list): New.
3188 (build_call_expr): New.
3189 (fold_builtin_call_valist): New.
3190 (rewrite_call_expr): New.
3191 (validate_arg): New.
3192 (validate_arglist): Change parameter to be entire CALL_EXPR instead
3193 of an arglist. Change return type to bool. Use new CALL_EXPR
3196 (fold_builtin_strstr): Pass call arguments individually instead
3197 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
3198 accessors and constructors. Return NULL_TREE instead of 0.
3199 (fold_builtin_strchr): Likewise.
3200 (fold_builtin_strrchr): Likewise.
3201 (fold_builtin_strpbrk): Likewise.
3202 (fold_builtin_strcat): Likewise.
3203 (fold_builtin_strncat): Likewise.
3204 (fold_builtin_strspn): Likewise.
3205 (fold_builtin_strcspn): Likewise.
3206 (fold_builtin_fputs): Likewise.
3207 (fold_builtin_next_arg): Likewise.
3208 (fold_builtin_sprintf): Likewise.
3210 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
3211 NULL_RTX instead of 0.
3212 (expand_builtin_memory_chk): Likewise.
3213 (maybe_emit_chk_warning): Likewise.
3214 (maybe_emit_sprintf_chk_warning): Likewise.
3216 (fold_builtin_object_size): Pass call arguments individually instead
3217 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
3218 accessors and constructors. Return NULL_TREE instead of 0.
3219 (fold_builtin_memory_chk): Likewise.
3220 (fold_builtin_stxcpy_chk): Likewise.
3221 (fold_builtin_strncpy_chk): Likewise.
3222 (fold_builtin_strcat_chk): Likewise.
3223 (fold_builtin_strcat_chk): Likewise.
3224 (fold_builtin_strncat_chk): Likewise.
3225 (fold_builtin_sprintf_chk): Likewise.
3226 (fold_builtin_snprintf_chk): Likewise.
3227 (fold_builtin_printf): Likewise.
3228 (fold_builtin_vprintf): Likewise.
3230 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
3232 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
3233 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3234 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
3235 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
3236 (fold_unary): Likewise.
3237 (fold_binary): Likewise.
3238 (fold_ternary): Remove CALL_EXPR case, since they are no longer
3239 ternary expressions.
3240 (fold): Add logic for tcc_vl_exp.
3241 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
3242 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3243 (fold_build3_stat): Add assertion to flag broken interface for
3244 constructing CALL_EXPRs.
3245 (fold_build_call_list): New.
3246 (fold_build_call_list_initializer): New.
3247 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
3249 (fold_strip_sign_ops): Likewise.
3251 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3252 Brooks Moses <brooks.moses@codesourcery.com>
3253 Lee Millward <lee.millward@codesourcery.com>
3255 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
3256 accessors and dump arguments explicitly.
3258 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
3260 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
3262 (print_call_name): Use new CALL_EXPR accessors.
3264 * print-tree.c (print_node): Add case tcc_vl_exp. Print
3265 CALL_EXPR arguments explicitly instead of as a list. Use
3266 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3268 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
3269 (vrp_visit_stmt): Likewise.
3271 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
3272 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
3274 (force_move_till_expr): Likewise.
3276 * targhooks.c (default_external_stack_protect_fail): Use
3277 build_call_expr instead of build_function_call_expr.
3278 (default_hidden_stack_protect_fail): Likewise.
3280 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
3283 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
3284 and walk arguments explicitly.
3286 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
3287 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3288 (expand_simple_operations): Likewise.
3289 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
3291 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
3292 of TREE_CODE_LENGTH.
3293 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
3295 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
3296 instead of TREE_CODE_LENGTH.
3298 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
3299 (tree_ic_transform): Likewise.
3300 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
3301 parameter instead of arglist. Fix callers.
3302 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
3303 (tree_stringops_transform): Likewise.
3304 (tree_indirect_call_to_profile): Likewise.
3305 (tree_stringops_values_to_profile): Likewise.
3307 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
3308 (eliminate_tail_call): Likewise.
3310 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
3312 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
3313 Use TREE_OPERAND_LENGTH and generalize to handle any number of
3315 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
3317 * omp-low.c (build_omp_barrier): Use build_call_expr.
3318 (lower_rec_input_clauses): Likewise.
3319 (lower_reduction_clauses): Likewise.
3320 (expand_parallel_call): Likewise.
3321 (maybe_catch_exception): Likewise.
3322 (expand_omp_for_generic): Likewise.
3323 (expand_omp_for_static_nochunk): Likewise.
3324 (expand_omp_sections): Likewise.
3325 (lower_omp_single_simple): Likewise.
3326 (lower_omp_single_copy): Likewise.
3327 (lower_omp_master): Likewise.
3328 (lower_omp_ordered): Likewise.
3329 (lower_omp_critical): Likewise.
3331 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
3332 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
3334 * tree-gimple.c (is_gimple_call_addr): Fix doc.
3335 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
3336 TREE_CODE_LENGTH. Add tcc_vl_exp case.
3338 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
3339 and generalize to handle any number of operands.
3340 (chrec_contains_undetermined): Likewise.
3341 (tree_contains_chrecs): Likewise.
3342 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
3344 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
3346 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
3347 fold_call_expr instead of fold_builtin.
3348 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
3349 match declarations there.
3350 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
3353 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
3354 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3356 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
3357 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
3359 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
3362 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
3363 (execute_cse_sincos): Use new CALL_EXPR accessors.
3365 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
3367 * gimple-low.c (lower_function_body): Use build_call_expr.
3368 (lower_builtin_setjmp): Likewise.
3370 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
3371 (set_storage_via_libcall): Likewise.
3372 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
3373 instead of TREE_CODE_LENGTH.
3374 (expand_expr_real_1): Use new CALL_EXPR accessors.
3376 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
3377 generalize to handle any number of operands.
3378 (TB_parent_eq): Likewise.
3380 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
3381 (strip_builtin_expect): Likewise.
3383 * function.c (gimplify_parameters): Use build_call_expr.
3385 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
3386 instead of TREE_CODE_LENGTH.
3388 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
3389 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
3391 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
3394 * gimplify.c (build_stack_save_restore): Use build_call_expr.
3395 (gimplify_decl_expr): Likewise.
3396 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
3397 Use new CALL_EXPR iterators.
3398 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
3399 (gimplify_modify_expr_to_memset): Likewise.
3400 (gimplify_variable_sized_compare): Likewise.
3401 (gimplify_omp_atomic_fetch_op): Likewise.
3402 (gimplify_omp_atomic_pipeline): Likewise.
3403 (gimplify_omp_atomic_mutex): Likewise.
3404 (gimplify_function_tree): Likewise.
3406 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
3407 (call_expr_flags): Likewise.
3408 (expand_call): Likewise.
3410 * except.c (expand_builtin_eh_return_data_regno): Pass entire
3411 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
3414 * coverage.c (create_coverage): Use build_call_expr.
3416 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
3417 (temp_call_expr_obstack): New.
3418 (pool_copy_list): Delete.
3419 (temp_copy_call_expr): New.
3420 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
3421 CALL_EXPR accessors. Get rid of special goo for copying argument
3422 lists and use temp_copy_call_expr instead.
3423 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
3424 CALL_EXPR accessors.
3425 (create_expression_by_pieces): Likewise. Use build_call_array
3426 to construct the result instead of fold_build3.
3427 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
3428 dealing with argument lists.
3429 (init_pre): Remove references to expression_node_pool and
3430 list_node_pool. Init temp_call_expr_obstack instead.
3431 (fini_pre): Remove references to expression_node_pool and
3434 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
3435 and walk arguments explicitly instead of as a list.
3437 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
3438 (mx_register_decls): Likewise.
3439 (mudflap_register_call): Likewise.
3440 (mudflap_finish_file): Likewise.
3442 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
3443 (ipa_callsite_compute_param): Likewise.
3445 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
3446 accessors and constructor.
3448 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
3449 accessors and constructor.
3450 (convert_tramp_reference): Likewise.
3451 (convert_call_expr): Likewise.
3452 (finalize_nesting_tree_1): Likewise.
3454 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
3457 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
3459 * tree-inline.c (initialize_inlined_parameters): Pass entire
3460 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
3462 (estimate_num_insns_1): Use new CALL_EXPR accessors.
3463 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
3465 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
3466 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3467 (vectorizable_reduction): Likewise.
3468 (vectorizable_call): Use new CALL_EXPR iterators.
3469 (vectorizable_conversion): Use build_call_expr.
3470 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
3471 (vect_gen_widened_results_half): Use build_call_expr.
3472 (vect_setup_realignment): Likewise.
3473 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
3475 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
3476 (pass_through_call): Likewise.
3477 (compute_object_sizes): Likewise. Use fold_call_expr instead of
3480 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
3481 (tree_gen_pow2_profiler): Likewise.
3482 (tree_gen_one_value_profiler): Likewise.
3483 (tree_gen_ic_func_profiler): Likewise.
3484 (tree_gen_average_profiler): Likewise.
3485 (tree_gen_ior_profiler): Likewise.
3487 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
3488 (find_func_aliases): Use new CALL_EXPR accessors. Add case
3489 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3491 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
3492 of TREE_CODE_LENGTH.
3494 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
3495 of TREE_CODE_LENGTH.
3497 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
3499 (convert_to_integer): Likewise.
3501 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
3504 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3505 Brooks Moses <brooks.moses@codesourcery.com>
3506 Lee Millward <lee.millward@codesourcery.com>
3508 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
3510 * config/frv/frv.c (frv_expand_builtin): Likewise.
3511 * config/s390/s390.c (s390_expand_builtin): Likewise.
3513 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
3514 (sparc_expand_builtin): Use new CALL_EXPR accessors.
3516 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
3517 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
3518 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
3519 (ix86_expand_store_builtin): Likewise.
3520 (ix86_expand_unop_builtin): Likewise.
3521 (ix86_expand_unop1_builtin): Likewise.
3522 (ix86_expand_sse_compare): Likewise.
3523 (ix86_expand_sse_comi): Likewise.
3524 (ix86_expand_vec_init_builtin): Likewise.
3525 (ix86_expand_vec_ext_builtin): Likewise.
3526 (ix86_expand_vec_set_builtin): Likewise.
3527 (ix86_expand_builtin): Use new CALL_EXPR accessors.
3529 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
3530 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
3532 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
3533 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
3534 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
3536 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
3538 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
3539 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
3540 arglist. Use new CALL_EXPR accessors. Fix callers.
3541 (altivec_expand_abs_builtin): Likewise.
3542 (rs6000_expand_binop_builtin): Likewise.
3543 (altivec_expand_predicate_builtin): Likewise.
3544 (altivec_expand_lv_builtin): Likewise.
3545 (spe_expand_stv_builtin): Likewise.
3546 (altivec_expand_stv_builtin): Likewise.
3547 (rs6000_expand_ternop_builtin): Likewise.
3548 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
3549 (altivec_expand_st_builtin): Likewise.
3550 (altivec_expand_dst_builtin): Likewise.
3551 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
3552 arglist. Use new CALL_EXPR accessors. Fix callers.
3553 (altivec_expand_vec_set_builtin): Likewise.
3554 (altivec_expand_vec_ext_builtin): Likewise.
3555 (altivec_expand_builtin): Use new CALL_EXPR accessors.
3556 (spe_expand_builtin): Likewise.
3557 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
3558 arglist. Use new CALL_EXPR accessors. Fix callers.
3559 (spe_expand_evsel_builtin): Likewise.
3560 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
3561 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
3563 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
3564 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
3565 (arm_expand_unop_builtin): Likewise.
3566 (arm_expand_builtin): Use new CALL_EXPR accessors.
3568 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
3571 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
3572 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
3573 (bfin_expand_unop_builtin): Likewise.
3574 (bfin_expand_builtin): Use new CALL_EXPR accessors.
3576 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3577 Brooks Moses <brooks.moses@codesourcery.com>
3578 Lee Millward <lee.millward@codesourcery.com>
3580 * c-semantics.c (build_stmt): Add internal diagnostic check.
3582 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
3583 accessors. Print arguments explicitly instead of as a list.
3585 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
3587 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
3588 (c_finish_omp_flish): Likewise.
3590 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
3591 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
3592 instead of TREE_CODE_LENGTH.
3593 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
3594 (c_warn_unused_result): Likewise.
3596 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3599 * doc/invoke.texi (Warning Options): Remove
3600 -Werror-implicit-function-declaration.
3601 (Wimplicit-function-declaration): Update description.
3602 * opts.c (common_handle_option): Move handling of -Werror=* to...
3603 (enable_warning_as_error): ...here.
3604 * opts.h (enable_warning_as_error): Declare.
3605 * c-decl.c (implicit_decl_warning): Unless
3606 -Wno-implicit-function-declaration is given, emit a pedwarn if
3607 -std=c99 or emit a warning if -Wimplicit-function-declaration.
3608 * c.opt (Wimplicit-function-declaration): Replace
3609 mesg_implicit_function_declaration with
3610 warn_implicit_function_declaration.
3611 * c-opts.c (c_common_handle_option):
3612 -Werror-implicit-function-declaration is exactly equal as
3613 -Werror=implicit-function-declaration.
3614 (set_Wimplicit): Replace mesg_implicit_function_declaration with
3615 warn_implicit_function_declaration.
3616 (c_common_post_options): -Wimplict-function-declaration is enabled
3617 by default by -std=c99, otherwise is disabled by default.
3618 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
3620 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
3622 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
3623 DECL on the rhs to a DECL on the lhs for debug info purposes if the
3624 former is ignored but not the latter.
3626 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
3628 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
3629 is made and the reference doesn't use the alias set of its type,
3630 do not create the temporary using that type.
3632 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
3634 * jump.c: Remove prototypes for delete_computation and
3635 delete_prior_computation.
3637 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
3639 * jump.c (get_label_after): Delete.
3640 (get_label_before, delete_computation, delete_jump,
3641 delete_prior_computation, follow_jumps): Move...
3642 * reorg.c (delete_computation, delete_prior_computation): ... here...
3643 (get_label_before, delete_jump): ... making these static ...
3644 (follow_jumps): ... and simplifying this since it only runs after
3646 * rtl.h (get_label_after, get_label_before, delete_jump,
3647 follow_jumps): Delete prototypes.
3649 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
3651 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
3653 2007-02-15 Nick Clifton <nickc@redhat.com>
3655 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
3656 order to prevent it from being munged by the target.
3658 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
3660 * config/i386/i386.md: Remove misleading comment.
3662 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3664 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
3665 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
3668 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3670 * tree-sra.c (instantiate_missing_elements): Canonicalize
3672 (sra_build_assignment): New.
3673 (generate_copy_inout, generate_element_copy,
3674 generate_element_zero, generate_one_element_init): Use it.
3676 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3678 * tree-sra.c (instantiate_missing_elements): Canonicalize
3680 (sra_build_assignment): New.
3681 (generate_copy_inout, generate_element_copy,
3682 generate_element_zero, generate_one_element_init): Use it.
3684 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3686 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
3689 2007-02-14 Joseph Myers <joseph@codesourcery.com>
3691 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
3692 types as aggregates not scalars.
3693 * function.c (assign_stack_temp_for_type): Likewise.
3695 2007-02-14 Roger Sayle <roger@eyesopen.com>
3696 Zdenek Dvorak <dvorakz@suse.cz>
3698 * tree-dump.c (dump_switch_p_1): Require exact match of the option
3701 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3703 * passes.c (next_pass_1): Clear the next field of the copied
3706 2007-02-14 Richard Henderson <rth@redhat.com>
3708 * tree-sra.c (early_sra): New.
3709 (decl_can_be_decomposed_p): Deny va_list if early_sra.
3710 (tree_sra_early, pass_sra_early): New.
3711 * tree-pass.h (pass_sra_early): Declare.
3712 * passes.c (init_optimization_passes): Use it.
3714 2007-02-14 Richard Guenther <rguenther@suse.de>
3716 * flags.h (issue_strict_overflow_warning): Convert to a macro.
3718 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
3720 PR tree-optimization/30771
3721 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
3723 (vect_analyze_operations): Induction phis can now be marked as
3725 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
3726 Update documentation accordingly.
3728 2007-02-14 Nick Clifton <nickc@redhat.com>
3730 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
3731 most 3 arguments are supported.
3732 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
3734 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
3736 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
3737 Ensure dst->current is valid.
3739 2007-02-13 Paul Brook <paul@codesourcery.com>
3741 * config.gcc: Add arm*-*-uclinux-*eabi.
3742 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
3743 (SUBTARGET_EXTRA_LINK_SPEC): Define.
3744 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
3745 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
3746 (LINK_SPEC): Define.
3748 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
3750 * config/arm/uclinux-eabi.h: New file.
3751 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
3752 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
3755 2007-02-13 Ian Lance Taylor <iant@google.com>
3757 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
3758 * flags.h (warn_strict_overflow): Declare.
3759 (enum warn_strict_overflow_code): Define.
3760 (issue_strict_overflow_warning): New static inline function.
3761 * opts.c (warn_strict_overflow): New variable.
3762 (common_handle_option): Handle OPT_Wstrict_overflow and
3763 OPT_Wstrict_overflow_.
3764 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
3766 * fold-const.c: Include intl.h.
3767 (fold_deferring_overflow_warnings): New static variable.
3768 (fold_deferred_overflow_warning): New static variable.
3769 (fold_deferred_overflow_code): New static variable.
3770 (fold_defer_overflow_warnings): New function.
3771 (fold_undefer_overflow_warnings): New function.
3772 (fold_undefer_and_ignore_overflow_warnings): New function.
3773 (fold_deferring_overflow_warnings_p): New function.
3774 (fold_overflow_warning): New static function.
3775 (make_range): Add strict_overflow_p parameter. Change all
3777 (extract_muldiv, extract_muldiv_1): Likewise.
3778 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
3779 tree_expr_nonnegative_p.
3780 (fold_negate_expr): Call fold_overflow_warning.
3781 (fold_range_test): Likewise.
3782 (fold_comparison): Likewise.
3783 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
3784 instead of tree_expr_nonnegative_p.
3785 (tree_expr_nonnegative_warnv_p): Rename from
3786 tree_expr_nonnegative_p, add strict_overflow_p parameter.
3787 (tree_expr_nonnegative_p): New function.
3788 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
3789 strict_overflow_p parameter.
3790 (tree_expr_nonzero_p): New function.
3791 * passes.c (verify_interpass_invariants): New static function.
3792 (execute_one_pass): Call it.
3793 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
3795 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
3796 (estimate_numbers_of_iterations): Likewise.
3797 (scev_probably_wraps_p): Likewise.
3798 * tree-ssa-ccp.c: Include "toplev.h".
3799 (evaluate_stmt): Defer fold overflow warnings until we know we are
3801 (struct fold_stmt_r_data): Add stmt field.
3802 (fold_stmt_r): Defer fold overflow warnings until we know we
3804 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
3805 (fold_stmt_inplace): Likewise.
3806 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
3807 (cleanup_control_expr_graph): Defer fold overflow warnings until
3808 we know we are going to optimize.
3809 * tree-cfg.c (fold_cond_expr_cond): Likewise.
3810 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
3812 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
3813 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
3814 * tree-ssa-loop-manip.c (create_iv): Likewise.
3815 * c-typeck.c (build_conditional_expr): Likewise.
3816 (build_binary_op): Likewise.
3817 * tree-vrp.c (vrp_expr_computes_nonzero): Call
3818 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
3819 (extract_range_from_unary_expr): Likewise.
3820 * simplify-rtx.c (simplify_const_relational_operation): Warn when
3821 assuming that signed overflow does not occur.
3822 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
3823 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
3824 (fold_defer_overflow_warnings): Declare.
3825 (fold_undefer_overflow_warnings): Declare.
3826 (fold_undefer_and_ignore_overflow_warnings): Declare.
3827 (fold_deferring_overflow_warnings_p): Declare.
3828 (tree_expr_nonzero_warnv_p): Declare.
3829 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
3831 (Warning Options): Document -Wstrict-overflow.
3832 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
3833 (tree-ssa-ccp.o): Likewise.
3834 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
3835 (fold-const.o): Depend on intl.h.
3837 2007-02-13 Ian Lance Taylor <iant@google.com>
3840 * lower-subreg.c (resolve_simple_move): Decompose subregs in
3843 2007-02-13 Stuart Hastings <stuart@apple.com>
3845 * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
3847 2007-02-13 Richard Henderson <rth@redhat.com>
3849 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
3850 handled_component_p before looking for the indirect_ref.
3852 2007-02-13 Richard Henderson <rth@redhat.com>
3854 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
3855 remove flags clobber.
3856 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
3857 (bswaphi_lowpart): New.
3858 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
3859 remove TARGET_BSWAP test. Delete expander of the same name.
3861 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
3862 (expand_unop): Use them.
3864 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
3866 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
3867 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
3868 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
3869 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
3870 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
3871 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
3872 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
3873 assembler dialect choice from asm templates.
3875 2007-02-12 Richard Henderson <rth@redhat.com>
3877 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
3878 (fixuns_trunc<SSEMODEF>si2): Use it.
3879 * config/i386/sse.md (vec_setv4sf_0): Export.
3880 * config/i386/i386.c (ix86_build_const_vector): Export.
3881 (ix86_split_convert_uns_si_sse): Rename from
3882 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
3883 * config/i386/i386-protos.h: Update.
3885 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3888 * c-typeck.c (c_finish_return): Improve warning message.
3890 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3892 * alias.c (find_symbolic_term): Delete unused function.
3894 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
3896 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
3897 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
3898 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
3900 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
3902 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
3903 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
3904 the function, temporarily point the debug interface to the null one.
3906 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
3908 * dwarf2out.c (round_up_to_align): New static function.
3909 (field_byte_offset): Use it to round the offset.
3911 2007-02-12 Richard Henderson <rth@redhat.com>
3913 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
3914 (inswl_const): Export.
3916 2007-02-12 Richard Henderson <rth@redhat.com>
3918 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
3919 result mode of the libcall, convert back to outmode.
3921 2007-02-12 Roger Sayle <roger@eyesopen.com>
3923 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
3924 (bswapdi2): New define_expand to implement 32-bit implementation.
3926 2007-02-12 Nick Clifton <nickc@redhat.com>
3928 * doc/invoke.texi (Overall Options): Document --help=.
3929 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
3930 (cc1_options): Pass --help= on to cc1.
3931 (display_help): Add description of --help=.
3932 (process_command): Add code to handle --help=. Allow translated
3933 --help and --target-help switches to be passed on to compiler
3935 (main): Remove unused if statement.
3936 * opts.c (columns): Remove.
3937 (LEFT_COLUMN): Define.
3938 (wrap_help): Add columns argument.
3939 (print_filtered_help): Change parameters to be an include bitmask,
3940 an exclude bitmask, an any bitmask and the column width. Move the
3941 code to display the params list here. Add code to display the
3942 status of options rather than their descriptions if the quiet flag
3944 (print_specific_help): Change parameters to be an include bitmask,
3945 an exclude bitmask and an any bitmask. Move code to look up the
3946 column width here. Decide upon the title for an options listing.
3947 (common_handle_options): Add code to handle --help=. Adapt code
3948 for --help and --target-help to use the revised form of the
3949 print_specific_help function.
3950 (print_help): Delete.
3951 (print_param_help): Delete.
3952 (print_switch): Delete.
3953 * opts.h (cl_lang_count): Add prototype.
3954 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
3955 CL_MAX_OPTION_CLASS): New defines.
3956 * optc-gen.awk: Add construction of cl_lang_count.
3957 * c.opt: Add Warning attribute to warning options and Optimization
3958 attribute to optimization options.
3959 * common.opt: Likewise.
3961 Add -fhelp and -ftarget-help as aliases for the transformed --help
3962 and --target-help options.
3963 * opt-functions.awk: Add code to handle Warning and Optimization
3966 2007-02-12 Richard Henderson <rth@redhat.com>
3968 * config/alpha/constraints.md: New file.
3969 * config/alpha/alpha.c: Include tm-constrs.h.
3970 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
3971 alpha_extra_constraint): Remove.
3972 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
3973 * config/alpha/alpha-protos.h: Update.
3974 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
3975 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
3976 (EXTRA_CONSTRAINT): Remove.
3977 * config/alpha/alpha.md: Include constraints.md.
3978 (adddi splitter): Use satisfies_constraint_*.
3979 * config/alpha/predicates.md (add_operand): Likewise.
3980 (sext_add_operand, addition_operation): Likewise.
3982 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
3984 PR tree-optimization/29145
3985 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
3986 in our handling of restrict qualified pointers.
3988 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3991 * doc/invoke.texi (Wunused-value): Update description.
3992 (Wextra): Delete item.
3993 * opts.c (set_Wextra): Don't use the value of Wextra to set the
3994 value of Wunused-value.
3995 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
3996 (c_finish_stmt_expr): Don't check extra_warnings.
3997 (emit_side_effect_warnings): The caller is responsible to check
4000 2007-02-11 Roger Sayle <roger@eyesopen.com>
4001 Matt Thomas <matt@3am-software.com>
4003 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
4005 2007-02-11 Roger Sayle <roger@eyesopen.com>
4007 * simplify-rtx.c (simplify_relational_operation_1): Optimize
4008 comparisons of POPCOUNT against zero.
4009 (simplify_const_relational_operation): Likewise.
4011 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4013 * doc/invoke.texi (Wextra): Delete outdated paragraph.
4015 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4017 * dwarf2out.c (root_type): Delete unused function.
4019 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4021 * genattrtab.c (contained_in_p): Delete unused function.
4022 (write_expr_attr_cache): Likewise.
4024 2007-02-11 Jan Hubicka <jh@suse.cz>
4026 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
4029 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
4031 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
4032 to add the REG_EQ* note.
4033 * see.c (see_merge_one_use_extension): Likewise.
4034 * local-alloc.c (update_equiv_regs): Likewise. Also don't
4035 turn REG_EQUAL notes into REG_EQUIV notes if the target
4036 register may have more than one set.
4037 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
4038 * gcse.c (try_replace_reg): Likewise.
4039 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
4040 * calls.c (fixup_tail_calls): Likewise. Abort if there is
4041 more than one REG_EQUIV note.
4042 * reload1.c (gen_reload): Use set_unique_reg_note.
4044 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
4046 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
4047 (ix86_builtin_conversion): New function.
4049 2007-02-06 Mark Mitchell <mark@codesourcery.com>
4052 * tree.h (DECL_REPLACEABLE_P): New macro.
4053 * except.c (set_nothrow_function_flags): Likewise.
4055 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
4056 Ira Rosen <irar@il.ibm.com>
4057 Dorit Nuzman <dorit@il.ibm.com>
4059 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
4060 * targhooks.c (default_builtin_vectorized_conversion): New.
4061 * targhooks.h (default_builtin_vectorized_function): New declaration.
4062 * target.h (struct vectorize): Add builtin_conversion field.
4063 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
4064 stmt_vec_info_type value.
4065 (vectorizable_conversion): New declaration.
4066 * tree-vect-analyze.c (vect_analyze_operations): Add
4067 vectorizable_conversion call.
4068 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
4069 * tree-vect-transform.c (vectorizable_conversion): New function.
4070 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
4071 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4073 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
4074 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
4075 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
4076 or ALTIVEC_BUILTIN_VCFSX.
4078 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4081 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
4082 CONST_DOUBLE and operand 0 is a hard register.
4083 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
4084 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
4085 is a hard floating-point register.
4087 2007-02-10 Richard Henderson <rth@redhat.com>
4088 Jakub Jelinek <jakub@redhat.com>
4089 Alexandre Oliva <aoliva@redhat.com>
4091 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
4092 * builtin-types.def (BT_WORD): Make unsigned.
4093 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4094 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4095 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4096 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4097 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4098 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4100 * expr.c (emutls_var_address): New.
4101 (expand_expr_real_1): Expand emulated tls.
4102 (expand_expr_addr_expr_1): Likewise.
4103 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4104 * output.h (emutls_finish): Declare.
4105 * toplev.c (compile_file): Call it.
4106 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4107 address before wrapping in CONST.
4108 * varasm.c (emutls_htab, emutls_object_type): New.
4109 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4110 (get_emutls_object_name, get_emutls_object_type): New.
4111 (get_emutls_init_templ_addr, emutls_decl): New.
4112 (emutls_common_1, emutls_finish): New.
4113 (assemble_variable): When emulating tls, swap decls; generate
4114 constructor for the emutls objects.
4115 (do_assemble_alias): When emulating tls, swap decl and target name.
4116 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4118 * varpool.c (decide_is_variable_needed): Look at force_output.
4119 Recurse for emulated tls.
4120 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
4121 with decide_is_variable_needed.
4122 * emutls.c: New file.
4123 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4124 tls_object for real tls.
4126 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
4128 PR rtl-optimization/29599
4129 * reload1.c (eliminate_regs_in_insn): Take the destination
4130 mode into account when computing the offset.
4132 2007-02-09 Stuart Hastings <stuart@apple.com>
4133 Richard Henderson <rth@redhat.com>
4135 * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
4136 * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
4137 * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
4138 fixuns_truncdfhi2): New.
4139 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
4140 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
4141 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
4142 (floatunssidf2): Allow nonimmediate source.
4143 * gcc/config/i386/sse.md (movdi_to_sse): New.
4144 (vec_concatv2di): Drop '*'.
4145 * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
4146 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
4147 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
4149 * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
4150 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
4151 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
4152 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
4153 (ix86_build_signbit_mask): Fix decl of v, refactor to call
4154 ix86_build_const_vector.
4155 (x86_emit_floatuns): Rewrite.
4157 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4159 * genautomata.c (longest_path_length): Delete unused function.
4160 (struct state): Delete unused longest_path_length.
4161 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
4162 (get_free_state): Delete unused.
4164 2007-02-09 Jan Hubicka <jh@suse.cz>
4166 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
4167 * doc/invoke.texi (inline-unit-growth): Update default value.
4169 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
4170 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
4171 (rebuild_cgraph_edges): Likewise.
4172 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
4173 (dump_cgraph_node): Dump frequencies.
4174 (cgraph_clone_edge): Add frequency scales.
4175 (cgraph_clone_node): Add freuqnecy.
4176 * cgraph.h (cgraph_edge): Add freuqnecy argument.
4177 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
4178 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
4179 * tree-pass.h (TODO_rebuild_frequencies): New constant.
4180 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
4181 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
4182 (save_inline_function_body): Likewise.
4183 * ipa-inline.c: inluce rtl.h
4184 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
4185 (cgraph_edge_badness): Use frequencies.
4186 (cgraph_decide_recursive_inlining): Update clonning.
4187 (cgraph_decide_inlining_of_small_function): Dump frequency.
4188 * predict.c (estimate_bb_frequencies): Export.
4189 * predict.h (estimate_bb_frequencies): Declare.
4190 * tree-inline.c (copy_bb): Watch overflows.
4191 (expand_call_inline): Update call of cgraph_create_edge.
4192 (optimize_inline_calls): Use TODO flags to update frequnecies.
4193 * passes.h: Include predict.h
4194 (init_optimization_passes): Move profile ahead.
4195 (execute_function_todo): Handle TODO_rebuild_frequencies.
4197 2007-02-09 Roger Sayle <roger@eyesopen.com>
4199 * config/alpha/alpha.c (emit_insxl): Force the first operand of
4200 the insbl or inswl pattern into a register.
4202 2007-02-09 Roger Sayle <roger@eyesopen.com>
4204 * config/ia64/ia64.md (bswapdi2): New define_insn.
4206 2007-02-09 Richard Henderson <rth@redhat.com>
4208 * config/i386/constraints.md (Ym): New constraint.
4209 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
4210 (movdi_1_rex64): Split sse and xmm general register moves from
4211 memory move alternatives. Use conditional register constraints.
4212 (movsf_1, movdf_integer): Likewise.
4213 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4214 (movdf_integer_rex64): New.
4215 (pushsf_rex64): Fix output constraints.
4216 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
4217 (sse2_stored): Likewise.
4218 (sse2_storeq_rex64): New.
4219 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
4220 amd and not generic.
4221 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
4222 for optimize_size. Remove SF/DFmode hack.
4224 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
4226 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
4229 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
4230 Richard Sandiford <richard@codesourcery.com>
4232 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
4233 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
4234 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
4235 m68k/t-mlib to tmake_file.
4236 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
4237 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
4238 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
4239 Allow it to be cf or m68k. Set m68k_arch_family. If that
4240 variable is not empty, add t-$m68k_arch_family to tmake_file.
4241 Add t-mlibs to tmake_file.
4242 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
4243 * config/m68k/t-cf: New file.
4244 * config/m68k/t-m68k: Likewise.
4245 * config/m68k/t-mlibs: Likewise.
4246 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4247 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4248 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
4249 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4250 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
4252 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
4253 (INSTALL_LIBGCC): Delete.
4254 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
4255 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4256 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4257 (M68K_MLIB_CPU): Define.
4258 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4259 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4260 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
4262 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4263 Richard Guenther <rguenther@suse.de>
4266 * fold-const.c (fold_comparison): Handle obfuscated comparisons
4267 against INT_MIN/INT_MAX.
4268 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
4269 file if a loop is removed.
4271 2007-02-09 Joseph Myers <joseph@codesourcery.com>
4273 * calls.c (store_one_arg): Pass correct alignment to
4274 emit_push_insn for non-BLKmode values.
4275 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
4276 unaligned stack slot via a suitably aligned slot.
4278 2007-02-08 DJ Delorie <dj@redhat.com>
4280 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
4282 (legal_subregs): Use unsigned char, make const.
4283 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
4285 2007-02-08 Paul Brook <paul@codesourcery.com>
4287 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
4288 special interworking needed.
4290 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
4292 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
4293 conditional to __SSE2__.
4294 (Entries below should have been added to first ChangeLog
4295 entry for amdfam10 dated 2007-02-05)
4296 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
4298 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
4300 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
4303 2007-02-08 DJ Delorie <dj@redhat.com>
4305 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
4306 * config/m32c/m32c.c (legal_subregs): New.
4307 (m32c_illegal_subreg_p): New.
4308 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
4309 unsupported subregs of hard regs.
4311 2007-02-08 Jan Hubicka <jh@suse.cz>
4313 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
4314 the same one; always update histograms.
4316 2007-02-08 Diego Novillo <dnovillo@redhat.com>
4318 * passes.c (init_optimization_passes): Tidy comment.
4320 2007-02-08 Roger Sayle <roger@eyesopen.com>
4322 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
4323 strip zero_extend, bswap and rotates from POCOUNT's argument.
4324 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
4325 zero_extend and rotates from PARITY's argument.
4326 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
4327 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
4328 of an integer constant at compile-time.
4330 2007-02-08 Diego Novillo <dnovillo@redhat.com>
4333 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
4335 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
4338 * tree-ssa-live.c (remove_unused_locals): Do not remove
4339 TREE_ADDRESSABLE variables.
4340 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
4341 * tree-ssa-operands.c (add_virtual_operand): Remove argument
4342 FOR_CLOBBER. Update all users.
4343 If VAR has an associated alias set, add a virtual operand for
4344 it if no alias is found to conflict with the memory reference.
4346 2007-02-07 Jan Hubicka <jh@suse.cz>
4347 Robert Kidd <rkidd@crhc.uiuc.edu>
4349 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
4351 2007-02-07 Ian Lance Taylor <iant@google.com>
4353 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
4355 2007-02-07 Roger Sayle <roger@eyesopen.com>
4357 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
4358 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
4359 tablejumpdi, movsi_to_cr_one): Remove constraints from
4360 define_expand's match_operands.
4362 2007-02-07 Roger Sayle <roger@eyesopen.com>
4364 * global.c (compute_regsets): Move declatation of "i" inside of
4365 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
4367 2007-02-07 Jakub Jelinek <jakub@redhat.com>
4370 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
4371 of INDIRECT_REF <RESULT_DECL>.
4373 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
4375 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
4376 Kaz Kojima <kkojima@gcc.gnu.org>
4379 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
4381 (sh_initialize_trampoline): Add parentheses to avoid a warning.
4383 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4385 * doc/loop.texi: Document possibility not to perform disambiguation
4386 of loops with multiple latches.
4387 * cfgloopmanip.c (alp_enum_p): Removed.
4388 (add_loop): Handle subloops. Use get_loop_body_with_size.
4389 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
4390 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
4391 the new forwarder block.
4392 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
4393 Handle the case latch is NULL.
4394 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
4395 when marking loop exits.
4396 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
4398 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
4399 disambiguate_loops_with_multiple_latches.
4400 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
4401 before fix_loop_structure.
4402 * cfgloop.c: Include pointer-set.h and output.h.
4403 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
4404 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
4405 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
4406 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
4407 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
4408 disambiguate_multiple_latches, get_loop_body_with_size,
4409 disambiguate_loops_with_multiple_latches): New functions.
4410 (flow_loop_dump): Dump multiple latch edges.
4411 (flow_loop_nodes_find): Handle loops with multiple latches.
4412 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
4413 (glb_enum_p): Modified.
4414 (get_loop_body): Use get_loop_body_with_size.
4415 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
4416 (AVOID_CFG_MODIFICATIONS): New constant.
4417 (disambiguate_loops_with_multiple_latches, add_loop,
4418 get_loop_body_with_size): Declare.
4419 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
4421 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
4424 * global.c (compute_regsets): New function.
4425 (global_alloc): Refactored ELIMINABLE_REGSET
4426 and NO_GLOBAL_ALLOC_REGS computation out.
4427 (rest_of_handle_global_alloc): Call compute_regsets()
4428 for non-optimizing case.
4430 2007-02-06 Richard Henderson <rth@redhat.com>
4432 * config/i386/constraints.md (Y2): Rename from Y.
4433 (Yi): New constraint.
4434 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
4435 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
4436 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
4437 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
4438 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
4439 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
4440 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
4441 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
4442 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
4443 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
4444 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
4445 vec_extractv2si_1): Change Y constraints to Y2.
4446 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
4447 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
4448 Change Y constraints to Y2.
4449 (sse2_loadld): Change Y constraints to x.
4451 2007-02-06 Roger Sayle <roger@eyesopen.com>
4453 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
4454 (parity<mode>2): New define_expand using rs6000_emit_parity.
4455 * config/rs6000/rs6000.c (rs6000_emit_popcount,
4456 rs6000_emit_parity): New functions.
4457 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
4458 rs6000_emit_parity): Prototype here.
4460 2007-02-06 Ian Lance Taylor <iant@google.com>
4462 * lower-subreg.c (simple_move_operand): Reject CONST.
4463 (resolve_clobber): Call validate_change rather than directly
4464 assigning to XEXP (pat, 0).
4466 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
4468 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
4469 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
4470 (tree-cfg.o): Remove hashtab.h dependency.
4472 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
4473 (struct ivopts_data): Change niters to pointer_map_t.
4474 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
4475 (niter_for_exit): Create pointer_map on demand. Change for
4477 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
4478 (free_loop_data): Destroy data->niters if created and reset field.
4479 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
4480 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
4482 * tree-ssa-reassoc.c: Include pointer-set.h.
4483 (bb_rank): Change to long *.
4484 (operand_rank): Change to pointer_map_t.
4485 (find_operand_rank): Return long, -1 if not found. Declare as inline.
4486 (insert_operand_rank): Accept long.
4487 (operand_entry_hash, operand_entry_eq): Remove.
4488 (get_rank): Return long. Adjust for changes above.
4489 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
4491 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
4493 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
4494 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
4495 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
4497 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
4498 directly since it cannot be NULL.
4499 (get_vi_for_tree): Rewrite for pointer_map API.
4500 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
4501 (init_alias_vars): Create vi_for_tree as pointer_map.
4502 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
4504 * tree-cfg.c: Don't include hashtab.h.
4505 (edge_to_cases): Declare as pointer_map.
4506 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
4508 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
4509 (start_recording_case_labels): Create edge_to_cases as pointer_map.
4510 (end_recoding_case_labels): Cleanup edge_to_cases manually before
4512 (record_switch_edge): Delete.
4513 (get_cases_for_edge): Adjust for pointer_map API, inline
4514 record_switch_edge (rewritten for new API), remove goto.
4516 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
4518 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
4519 * tree-nested.c: Include pointer-set.h.
4520 (var_map_elt, var_map_eq, var_map_hash): Delete.
4521 (struct nesting_info): Remove GTY marker. Change the two htab_t's
4523 (nesting_info_bitmap_obstack): New.
4524 (lookup_field_for_decl): Adjust for pointer_map API.
4525 (lookup_tramp_for_decl): Adjust for pointer_map API.
4526 (get_nonlocal_debug_decl): Adjust for pointer_map API.
4527 (get_local_debug_decl): Adjust for pointer_map API.
4528 (convert_nl_goto_reference): Adjust for pointer_map API.
4529 (convert_nl_goto_receiver): Adjust for pointer_map API.
4530 (create_nesting_tree): Create outside GGC space. Create bitmap on
4531 the new obstack. Create field_map and var_map as pointer_maps.
4532 (free_nesting_tree): Adjust for changes to create_nesting_tree.
4534 (lower_nested_functions): Move root here, no need to NULL it.
4535 Initialize and release the obstack.
4537 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
4539 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
4540 Remove prototypes and make them non-static.
4541 (struct tree_int_map): Remove.
4542 * tree.h (struct tree_int_map): Move here, turning TO into an
4544 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
4546 * tree.h (TREE_COMPLEXITY): Remove.
4547 (struct tree_exp): Remove complexity field.
4548 * tree.c (build1_stat): Don't set it.
4550 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
4551 Victor Kaplansky <victork@il.ibm.com>
4553 * tree-vectorizer.c (vect_is_simple_use): Support induction.
4554 (vect_is_simple_reduction): Support reduction with induction as
4555 one of the operands.
4556 (vect_is_simple_iv_evolution): Fix formatting.
4557 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
4558 formatting. Don't mark induction phis for vectorization.
4559 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
4560 * tree-vect-transform.c (get_initial_def_for_induction): New function.
4561 (vect_get_vec_def_for_operand): Support induction.
4562 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
4564 (vectorizable_reduction): Support reduction with induction as one of
4566 (vectorizable_type_demotion): Use def-type of stmt argument rather
4567 than dummy def-type.
4569 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
4570 flag_tree_scev_cprop.
4571 * common.opt (tree-scev-cprop): New flag.
4573 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
4574 call to vect_get_new_vect_var.
4576 2007-02-06 Ira Rosen <irar@il.ibm.com>
4578 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
4579 vectype is not NULL.
4580 (vect_pattern_recog_1): Likewise.
4582 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4584 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
4585 (fold_negate_expr): Likewise.
4587 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
4590 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
4591 even if cv-qualification is the same.
4593 2007-02-05 Geoffrey Keating <geoffk@apple.com>
4595 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
4596 __enable_execute_stack on completion.
4598 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4600 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
4601 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
4602 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
4603 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
4604 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
4605 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
4606 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
4607 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
4609 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4611 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
4612 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
4613 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
4614 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
4615 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
4616 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
4617 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
4618 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
4619 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
4620 umuldi3_highpart_rex64, umulsi3_highpart_insn,
4621 umulsi3_highpart_zext, smuldi3_highpart_rex64,
4622 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
4623 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
4624 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
4625 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
4626 sqrtextenddfxf2_i387): Added amdfam10_decode.
4628 * config/i386/athlon.md (athlon_idirect_amdfam10,
4629 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
4630 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
4631 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
4632 athlon_ivector_store_amdfam10): New define_insn_reservation.
4633 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
4636 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4638 * config/i386/athlon.md (athlon_call_amdfam10,
4639 athlon_pop_amdfam10, athlon_lea_amdfam10): New
4640 define_insn_reservation.
4641 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
4642 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
4643 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
4645 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4647 * config/i386/athlon.md (athlon_sseld_amdfam10,
4648 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
4649 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
4651 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4653 * config/i386/athlon.md (athlon_sseins_amdfam10): New
4654 define_insn_reservation.
4655 * config/i386/i386.md (sseins): Added sseins to define_attr type
4656 and define_attr unit.
4657 * config/i386/sse.md: Set type attribute to sseins for insertq
4660 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4662 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
4663 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
4664 ssecomi_load_amdfam10, ssecomi_amdfam10,
4665 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
4666 define_insn_reservation.
4667 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
4669 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4671 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
4672 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
4673 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
4674 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
4675 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
4676 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
4677 define_insn_reservation.
4679 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
4680 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
4681 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
4682 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
4683 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
4685 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4687 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
4688 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
4689 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
4690 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
4691 athlon_ssemul_load_k8): Added amdfam10.
4693 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4695 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
4696 (x86_sse_unaligned_move_optimal): New variable.
4698 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
4700 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
4701 for unaligned vector SSE double/single precision loads for AMDFAM10.
4703 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4705 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
4706 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
4707 Define TARGET_CPU_DEFAULT_amdfam10.
4708 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
4709 (processor_type): Add PROCESSOR_AMDFAM10.
4711 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
4712 processor_type in config/i386/i386.h.
4713 Enable imul peepholes for TARGET_AMDFAM10.
4715 * config.gcc: Add support for --with-cpu option for amdfam10.
4717 * config/i386/i386.c (amdfam10_cost): New variable.
4718 (m_AMDFAM10): New macro.
4719 (m_ATHLON_K8_AMDFAM10): New macro.
4720 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4721 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
4722 x86_promote_QImode, x86_integer_DFmode_moves,
4723 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4724 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
4725 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
4726 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
4727 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
4728 Enable/disable for amdfam10.
4729 (override_options): Add amdfam10_cost to processor_target_table.
4730 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
4731 processor_alias_table.
4732 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
4733 (ix86_adjust_cost): Add code for amdfam10.
4735 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4737 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
4738 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
4739 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
4740 * config/i386/i386.h: Add builtin definition for SSE4A.
4741 * config/i386/i386.md: Add support for ABM instructions
4743 * config/i386/sse.md: Add support for SSE4A instructions
4744 (movntss, movntsd, extrq, insertq).
4745 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
4746 Add -march=amdfam10 flag.
4747 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
4748 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
4750 * doc/extend.texi: Add documentation for SSE4A builtins.
4752 2007-02-05 Bob Wilson <bob.wilson@acm.org>
4754 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
4756 2007-02-05 Richard Guenther <rguenther@suse.de>
4758 * tree-vectorizer.h (vectorizable_function): Add argument type
4759 argument, change return type.
4760 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
4761 * tree-vect-transform.c (vectorizable_function): Handle extra
4762 argument, return vectorized function decl.
4763 (build_vectorized_function_call): Remove.
4764 (vectorizable_call): Handle calls with result and argument types
4765 differing. Handle loop vectorization factor correctly.
4766 * targhooks.c (default_builtin_vectorized_function): Adjust for
4768 * targhooks.h (default_builtin_vectorized_function): Likewise.
4769 * target.h (builtin_vectorized_function): Add argument type
4771 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
4772 extra argument, allow vectorizing of lrintf.
4773 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
4774 documentation of target hook.
4776 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
4779 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
4780 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
4781 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
4783 2007-02-05 Roger Sayle <roger@eyesopen.com>
4785 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
4786 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
4787 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
4788 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
4789 before canonicalizing sincos to cexpi.
4790 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
4792 2007-02-05 Roger Sayle <roger@eyesopen.com>
4794 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
4795 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
4796 (alpha_init_builtins): Use alpha_add_builtins to process tables.
4798 2007-02-05 Roger Sayle <roger@eyesopen.com>
4800 * mips-tfile.c (initialize_init_file): Correct endianness test.
4802 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
4804 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
4807 2007-02-05 Richard Sandiford <richard@codesourcery.com>
4809 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
4810 saves in a PARALLEL before the register assignments.
4812 2007-02-05 Richard Sandiford <richard@codesourcery.com>
4814 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
4815 DWARF_FRAME_RETURN_COLUMN to be a general register.
4816 * dwarf2out.c (init_return_column_size): New function, split from...
4817 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
4818 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
4819 to be nongeneral registers.
4820 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
4822 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
4823 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
4825 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4827 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
4829 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4831 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
4832 (remove_path): Use can_remove_branch_p and remove_branch instead
4833 of loop_delete_branch_edge.
4834 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
4835 (tree_transform_and_unroll_loop): Remove dead branches immediately.
4836 Update profile using scale_dominated_blocks_in_loop.
4837 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
4838 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
4839 (can_remove_branch_p, remove_branch): Declare.
4840 * tree-cfg.c (tree_can_remove_branch_p): New function.
4841 (tree_cfg_hooks): Add tree_can_remove_branch_p.
4842 * cfgrtl.c (rtl_can_remove_branch_p): New function.
4843 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
4845 2007-02-05 Jan Hubicka <jh@suse.cz>
4848 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
4849 nodes in cgraph, don't remove offline copy of the function.
4851 2007-02-04 Jan Hubicka <jh@suse.cz>
4853 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
4854 vectors might cause maybe_lookup_element_for_expr to be called
4855 on non-sra-candidate.
4857 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
4859 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
4860 config/bfin/bfin.md, config/bfin/predicates.md: Follow
4861 spelling conventions.
4863 2007-02-04 Richard Guenther <rguenther@suse.de>
4866 * fold-const.c (try_move_mult_to_index): Make sure to not
4867 overflow one dimension of a multi-dimensional array access.
4869 2007-02-04 Jan Hubicka <jh@suse.cz>
4871 * passes.c (init_optimization_passes): Reindent.
4873 2007-02-04 Jan Hubicka <jh@suse.cz>
4874 Eric Botcazou <ebotcazou@adacore.com>
4876 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
4877 (execute_fixup_cfg): Break out the abnormal goto code.
4878 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
4879 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
4880 (optimize_inline_calls): Call make_nonlocal_label_edges.
4882 2007-02-04 Jan Hubicka <jh@suse.cz>
4884 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
4885 true when something was changed.
4886 (rename_ssa_copies): When something was changed, do
4887 TODO_remove_unused_locals.
4888 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4889 add TODO_remove_unused_locals when instruction was removed.
4891 2007-02-04 Jan Hubicka <jh@suse.cz>
4893 * ipa-inline.c (try_inline): Improve debug output; work on already
4895 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
4896 call try_inline for already inlined edges too when flattening;
4897 inline also functions that make callee growth but overall unit size
4900 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
4902 * config/m32c/bitops.md, config/m32c/jump.md,
4903 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
4904 config/m32r/m32r.h, config/m32r/m32r.md,
4905 config/m32r/predicates.md, config/m68hc11/larith.asm,
4906 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
4907 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
4908 config/mips/mips-protos.h, config/mips/mips.c,
4909 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
4910 config/mn10300/mn10300.h, config/mn10300/predicates.md,
4911 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
4912 spelling conventions.
4914 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
4915 Follow spelling conventions.
4917 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
4919 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
4920 warn about C++0x compatibility.
4922 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
4924 * config/h8300/h8300.c, config/h8300/h8300.h,
4925 config/h8300/h8300.md: Follow spelling conventions.
4927 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
4930 * combine.c (try_combine): Do not substitute source operand
4931 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
4933 2007-02-03 Jan Hubicka <jh@suse.cz>
4935 PR gcov-profile/30650
4936 * value-prof.c (stringop_block_profile): Fix handling of size counter;
4937 do not divide by zero for never executed counters.
4938 (tree_find_values_to_profile): Fix counters.
4939 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
4941 2007-02-03 Ian Lance Taylor <iant@google.com>
4943 * lower-subreg.c (simple_move_operand): New static function,
4944 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
4946 (simple_move): Call simple_move_operand.
4947 (find_decomposable_subregs): Add special handling of MEMs.
4948 (can_decompose_p): Rename from cannot_decompose_p. Reverse
4949 meaning of return value. If we see a hard register, test whether
4950 it can store a word_mode value. Change all callers.
4952 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4954 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
4955 ftrapv insns and expanders.
4956 (subdi3): Change define_expand operand 1 to arith11_operand, and
4957 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
4958 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
4959 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
4963 * varasm.c (notice_global_symbol): Treat global objects as weak when
4966 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4968 * emit-rtl.c (dconstpi): Delete.
4970 (init_emit_once): Delete dconstpi and init dconstsqrt2.
4971 * real.h (dconstpi): Delete.
4973 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
4974 (fold_builtin_hypot): Likewise.
4976 2007-02-03 Tom Tromey <tromey@redhat.com>
4979 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
4980 -gcoff3, -gxcoff3, -gvms3 implies -dD.
4982 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
4984 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
4985 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
4986 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
4987 config/rs6000/cell.md, config/rs6000/darwin.h,
4988 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
4989 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
4990 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
4991 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
4992 typos. Follow spelling conventions.
4993 * doc/invoke.texi: Follow spelling conventions.
4995 2007-02-03 Roger Sayle <roger@eyesopen.com>
4997 * simplify-rtx.c (simplify_relational_operation_1): Implement some
4998 canonicalization transformations that attempt to simplify integer
4999 constant comparisons to become comparisons against zero.
5001 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5003 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
5005 * fold-const.c (fold_binary): Fix comment typos. Fold complex
5006 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
5008 2007-02-02 Mike Stump <mrs@apple.com>
5010 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
5011 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
5012 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
5013 generate a branch island.
5015 2007-02-02 Bob Wilson <bob.wilson@acm.org>
5017 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
5018 (xtensa_legitimate_address_p): New.
5019 (xtensa_legitimize_address): New.
5020 (xtensa_output_addr_const_extra): New.
5021 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
5023 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
5024 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
5025 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
5026 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
5027 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
5028 (xtensa_legitimize_address): New.
5029 (xtensa_output_addr_const_extra): New.
5031 2007-02-02 Steve Ellcey <sje@cup.hp.com>
5033 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
5035 2007-02-02 Ian Lance Taylor <iant@google.com>
5037 * expmed.c (expand_divmod): Add comment.
5039 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
5041 * emit-rtl.c (renumber_insns): Remove.
5042 * flags.h: Remove the extern for flag_renumber_insns.
5043 * rtl.h: Remove the prototype for renumber_insns.
5044 * toplev.c (flag_renumber_insns): Remove.
5046 2007-02-02 Hui-May Chang <hm.chang@apple.com>
5048 Revert for x86 darwin:
5049 2005-06-19 Uros Bizjak <uros@kss-loka.si>
5051 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
5052 code before the following patch under TARGET_MACHO.
5053 (ix86_function_value_regno_p): Likewise.
5055 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5057 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
5060 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5063 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
5064 general or fp registers. Add comments.
5065 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
5067 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
5069 * pointer-set.c (insert_aux): Only return insertion slot.
5070 (pointer_set_insert): Adjust.
5071 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
5072 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
5073 pointer_map_traverse): New.
5074 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
5075 pointer_map_create, pointer_map_destroy, pointer_map_insert,
5076 pointer_map_contains, pointer_map_traverse): Declare.
5078 2007-02-02 Jakub Jelinek <jakub@redhat.com>
5081 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
5082 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
5084 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5086 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
5088 (struct _dep): New type.
5089 (dep_t): New typedef.
5090 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
5091 (DEP_STATUS): New access macro. The macro with the same name was
5092 renamed to DEP_LINK_STATUS.
5093 (dep_init): Declare function
5095 (struct _dep_link): New type.
5096 (dep_link_t): New typedef.
5097 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
5098 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
5099 (DEP_LINK_STATUS): New macro.
5100 (debug_dep_links): New debug function.
5102 (struct _deps_list): New type.
5103 (deps_list_t): New typedef.
5104 (DEPS_LIST_FIRST): New access macro.
5105 (FOR_EACH_DEP_LINK): New cycle macro.
5106 (create_deps_list, free_deps_list, delete_deps_list): Declare
5108 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
5109 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
5110 (copy_deps_list_change_con): Ditto.
5112 (move_dep_link): Declare function.
5114 (struct _dep_node): New type.
5115 (dep_node_t): New typedef.
5116 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
5118 (struct haifa_insn_data.back_deps): New field to hold backward
5119 dependencies of the insn.
5120 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
5122 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
5123 Change its type to deps_list_t.
5124 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
5125 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
5126 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
5128 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
5130 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
5132 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
5134 (dep_cost): Declare.
5136 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
5137 (ds_to_dk, dk_to_ds): New functions.
5139 (init_dep_1): New static function.
5140 (init_dep): New function.
5141 (copy_dep): New static function.
5143 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
5145 (detach_dep_link): New static function.
5146 (move_dep_link): New function.
5148 (dep_links_consistent_p, dump_dep_links): New static functions.
5149 (debug_dep_links): New debugging function.
5151 (deps_obstack, dl_obstack, dn_obstack): New static variables.
5153 (alloc_deps_list, init_deps_list): New static functions.
5154 (create_deps_list): New function.
5155 (clear_deps_list): New static function.
5156 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
5157 (deps_list_consistent_p, dump_deps_list): New static functions.
5158 (debug_deps_list): New function.
5159 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
5161 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
5163 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
5164 use new scheduler dependencies lists.
5165 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
5166 (sched_analyze): Ditto. Initialize dependencies lists.
5167 (add_forw_dep, compute_forward_dependences): Update to use new
5168 scheduler dependencies lists.
5170 (init_dependency_caches): Init deps_obstack.
5171 (free_dependency_caches): Free deps_obstack.
5173 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
5174 new scheduler dependencies lists.
5175 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
5176 (add_back_forw_dep, delete_back_forw_dep): Ditto.
5178 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
5179 Update to use new scheduler dependencies lists.
5180 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
5181 (debug_dependencies): Ditto.
5182 (schedule_region): Update comments.
5184 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
5185 scheduler dependencies lists.
5186 (schedule_ebb): Update comments.
5188 * rtl.def (DEPS_LIST): Remove.
5190 * lists.c (unused_deps_list): Remove.
5191 (free_list): Update assertions.
5193 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
5194 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
5196 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
5197 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
5199 * haifa-sched.c (comments): Update.
5200 (insn_cost1): Remove. Inline the code into insn_cost ().
5201 (insn_cost): Update to use new scheduler dependencies lists. Move
5202 processing of the dependency cost to dep_cost ().
5203 (dep_cost): New function. Use it instead of insn_cost () when
5204 evaluating cost of the dependency. Use compatible interface to
5205 interact with the target.
5206 (priority): Update to use new scheduler dependencies lists.
5207 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
5208 with greater number of insns that depend on the insn.
5209 (schedule_insn): Update to use new scheduler dependencies lists. Add
5210 code to free backward dependencies lists. Inline and optimize code
5211 from resolve_dep () - see PR28071.
5212 (ok_for_early_queue_removal): Update to use new scheduler dependencies
5213 lists. Update call to targetm.sched.is_costly_dependence hook.
5215 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
5216 scheduler dependencies lists.
5218 (resolve_dep): Remove. Move the logic to schedule_insn ().
5219 (init_h_i_d): Initialize dependencies lists.
5221 (process_insn_depend_be_in_spec): Rename to
5222 process_insn_forw_deps_be_in_spec. Update to use new scheduler
5224 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
5225 Update to use new scheduler dependencies lists.
5226 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
5228 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
5229 new scheduler dependencies lists.
5230 (build_intra_loop_deps): Ditto.
5232 * target.h (struct _dep): Declare to use in
5233 gcc_target.sched.is_costly_dependence.
5234 (struct gcc_target.sched.adjust_cost): Fix typo.
5235 (struct gcc_target.sched.is_costly_dependence): Change signature to use
5236 single dep_t parameter instead of an equivalent triad.
5237 (struct gcc_target.sched.adjust_cost_2): Remove.
5239 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
5241 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
5243 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
5245 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
5247 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
5248 (REG_DEP_TRUE): Document.
5250 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
5251 Change signature to correspond to the targetm.sched.adjust_cost hook.
5252 Update use in TARGET_SCHED_ADJUST_COST_2.
5253 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
5254 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
5255 new scheduler dependencies lists.
5256 (ia64_gen_check): Ditto.
5258 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
5261 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
5262 signature to correspond to the targetm.sched.is_costly_dependence hook.
5263 (is_costly_group): Update to use new scheduler dependencies lists.
5265 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
5266 instead of INSN_COST () macro.
5268 2007-02-01 Ian Lance Taylor <iant@google.com>
5270 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
5272 2007-02-01 Guy Martin <gmsoft@gentoo.org>
5274 * pa.md (tp_load): Correct mfctl instruction syntax.
5276 2007-02-01 Geoffrey Keating <geoffk@apple.com>
5278 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
5279 altivec_padding_size calculation on AIX. Improve comment, add
5280 assert to verify that it's right.
5282 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
5285 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
5288 * global.c (global_alloc): Add mising initialization of
5291 2007-02-01 Roger Sayle <roger@eyesopen.com>
5293 * alias.c (init_alias_analysis): Correct whitespace.
5294 * bb-reorder.c (fix_edges_for_rarely_executed_code,
5295 partition_hot_cold_basic_blocks): Likewise.
5296 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
5297 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
5298 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
5299 fold_builtin_snprintf_chk, fold_builtin_printf,
5300 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
5301 do_mpfr_arg3, do_mpfr_sincos): Likewise.
5302 * cfgcleanup.c (cleanup_cfg): Likewise.
5303 * cfgexpand.c (tree_expand_cfg): Likewise.
5304 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
5305 * function.c (get_next_funcdef_no): Likewise.
5306 * gengtype.c (main): Likewise.
5307 * genmodes.c (main): Likewise.
5308 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
5309 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
5310 * ifcvt.c (noce_emit_move_insn): Likewise.
5311 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
5313 * stor-layout.c (get_best_mode): Likewise.
5314 * tree-ssa-loop-niter.c (get_val_for): Likewise.
5315 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
5316 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
5317 perform_var_substitution, solve_graph): Likewise.
5318 * tree-vrp.c (vrp_finalize): Likewise.
5320 2007-02-01 Ian Lance Taylor <iant@google.com>
5322 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
5323 high part of a paradoxical subreg, return a constant zero.
5325 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
5327 * toplev.c (lang_dependent_init): Call init_set_costs.
5328 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
5330 2007-02-01 Richard Guenther <rguenther@suse.de>
5333 * fold-const.c (fold_negate_expr): Allow negating a
5334 constant if overflow does not change.
5336 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5338 * doc/c-tree.texi (Expression trees): Improve markup.
5339 * doc/tm.texi (Register Classes, Addressing Modes)
5340 (Floating Point): Fix spacing after abbreviations. Fix some
5343 2007-02-01 Ben Elliston <bje@au.ibm.com>
5345 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
5346 * doc/contrib.texi: Likewise.
5347 * doc/install.texi: Likewise.
5349 2007-01-31 Richard Henderson <rth@redhat.com>
5350 Ian Lance Taylor <iant@google.com>
5352 * lower-subreg.c: New file.
5353 * rtl.def (CONCATN): Define.
5354 * passes.c (init_optimization_passes): Add pass_lower_subreg and
5356 * emit-rtl.c (update_reg_offset): New static function, broken out
5357 of gen_rtx_REG_offset.
5358 (gen_rtx_REG_offset): Call update_reg_offset.
5359 (gen_reg_rtx_offset): New function.
5360 * regclass.c: Revert patch of 2006-03-05, restoring
5362 (clear_reg_info_regno): New function.
5363 * dwarf2out.c (concatn_loc_descriptor): New static function.
5364 (loc_descriptor): Handle CONCATN.
5365 * common.opt (fsplit_wide_types): New option.
5366 * opts.c (decode_options): Set flag_split_wide_types when
5368 * timevar.def (TV_LOWER_SUBREG): Define.
5369 * rtl.h (gen_reg_rtx_offset): Declare.
5370 (reg_scan_update): Declare.
5371 * regs.h (clear_reg_info_regno): Declare.
5372 * tree-pass.h (pass_lower_subreg): Declare.
5373 (pass_lower_subreg2): Declare.
5374 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
5375 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
5377 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
5378 * Makefile.in (OBJS-common): Add lower-subreg.o.
5379 (lower-subreg.o): New target.
5381 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
5383 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
5385 2007-01-31 Anatoly Sokolov <aesok@post.ru>
5388 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
5390 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5393 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
5395 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
5397 * cfgloop.h: Include vec-prim.h.
5398 (enum li_flags): Remove LI_ONLY_OLD.
5399 (loop_iterator): Changed.
5400 (fel_next, fel_init): Iterate over loop tree.
5401 (FOR_EACH_LOOP_BREAK): New macro.
5402 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
5404 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
5405 * modulo-sched.c (sms_schedule): Ditto.
5406 * tree-vectorizer.c (vectorize_loops): Ditto.
5407 * doc/loop.texi: Update information on loop numbering and behavior of
5408 FOR_EACH_LOOP wrto new loops.
5409 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5410 add_to_evolution_1): Test nestedness of loops instead of comparing
5412 * tree-chrec.c (chrec_fold_plus_poly_poly,
5413 chrec_fold_multiply_poly_poly, chrec_evaluate,
5414 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
5415 reset_evolution_in_loop): Ditto.
5416 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
5418 2007-01-31 Dirk Mueller <dmueller@suse.de>
5420 * c-common.c (warn_about_parentheses): Separate warning about
5421 un-parenthized sequence of comparison operators from the one
5422 which is supposed to warn about x <= y <= z.
5424 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
5426 * optabs.h (enum optab_index): Add new OTI_isinf.
5427 (isinf_optab): Define corresponding macro.
5428 * optabs.c (init_optabs): Initialize isinf_optab.
5429 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
5431 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
5432 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
5434 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
5435 expand_builtin_interclass_mathfn.
5436 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
5437 * config/i386/i386.md (UNSPEC_FXAM): New constant.
5438 (fxam<mode>2_i387): New insn pattern.
5439 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
5440 built-in functions as x87 inline asm.
5442 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
5444 * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
5446 2007-01-30 Eric Christopher <echristo@apple.com>
5448 * config.gcc: Add geode.
5450 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
5452 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
5453 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
5454 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
5455 value-prof.c: Fix comment typos.
5457 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5460 * doc/invoke.texi (Wpointer-arith): Document warning.
5462 2007-01-30 Janis Johnson <janis187@us.ibm.com>
5464 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
5465 the list of discrepancies from the draft TR.
5467 2007-01-30 Dirk Mueller <dmueller@suse.de>
5470 * doc/invoke.texi (-Wreturn-type): Update description to
5473 2007-01-30 Richard Sandiford <richard@codesourcery.com>
5475 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
5477 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
5479 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
5480 to handle optabs that operate on floating point input argument and
5481 output to integer output.
5482 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
5483 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
5484 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
5485 expand_builtin_interclass_mathfn ().
5486 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
5488 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
5489 ilogbl built-in functions as x87 intrinsics.
5491 2007-01-30 Richard Guenther <rguenther@suse.de>
5494 * dwarf2out.c (reference_to_unused): Query varpool if the
5495 variable was output.
5497 2007-01-30 Richard Guenther <rguenther@suse.de>
5500 * passes.c (execute_one_pass): Reset in_gimple_form to not
5501 confuse non-unit-at-a-time mode.
5503 2007-01-29 Roger Sayle <roger@eyesopen.com>
5504 Richard Guenther <rguenther@suse.de>
5506 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
5507 avoid undefined behaviour on overflow. Use force_fit_type_double
5508 to construct the constant with the specified TREE_OVERFLOW.
5510 2007-01-29 Janis Johnson <janis187@us.ibm.com>
5512 * config/dfp-bit.c: Add parameterized support for fp exceptions.
5513 * config/dfp-bit.h: Ditto.
5515 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5517 * c-decl.c (pop_scope): Replace warnings with call to
5518 warn_for_unused_label.
5519 * c-common.h (warn_for_unused_label): Declare.
5520 * c-common.c (warn_for_unused_label): Define.
5522 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5524 * tree-optimize.c (update_inlined_to_pointers): Delete unused
5527 2007-01-29 Janis Johnson <janis187@us.ibm.com>
5529 * Makefile.in (USER_H): Remove decfloat.h.
5530 * ginclude/decfloat.h: Delete, moving contents to ...
5531 * ginclude/float.h: Add support for decimal floating point,
5532 guarded by __STDC_WANT_DEC_FP__.
5534 2007-01-29 Mike Stump <mrs@apple.com>
5536 * doc/gccint.texi (Top): Rename Loop Representation to Loop
5537 Analysis and Representation to resolve case insensitive conflict.
5538 * doc/loop.texi (Loop Analysis and Representation): Likewise.
5540 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
5542 * tree.h (struct tree_memory_tag): Add aliases member.
5543 (MTAG_ALIASES): New macro.
5544 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
5545 (add_may_alias): Remove pointer-set. Update for may_aliases being
5547 (mark_aliases_call_clobbered): Update for may_aliases being a
5549 (compute_tag_properties): Ditto.
5550 (create_partition_for): Ditto.
5551 (compute_memory_partitions): Ditto.
5552 (dump_may_aliases_for): Ditto.
5553 (is_aliased_with): Ditto.
5554 (add_may_alias_for_new_tag): Ditto.
5555 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
5556 (compute_is_aliased): New function.
5557 (compute_may_aliases): Call compute_is_aliased).
5558 (init_alias_info): Initialize alias_bitmap_obstack.
5559 (union_alias_set_into): New function.
5560 (compute_flow_sensitive_aliasing): Use union_aliases_into.
5561 (have_common_aliases_p): Rewrite to take two bitmaps and use
5563 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
5565 (finalize_ref_all_pointers): Update for add_may_alias changes.
5566 (new_type_alias): Ditto.
5567 * tree-flow-inline.h (may_aliases): Return a bitmap.
5568 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
5569 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
5570 may_aliases being a bitmap.
5571 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
5572 may_aliases now returns a bitmap.
5573 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
5575 * tree-ssa-operands.c (add_virtual_operand): Update for
5576 may_aliases being a bitmap.
5578 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
5580 PR tree-optimization/30630
5581 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
5582 variable as changed.
5584 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
5587 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
5588 expanded only once even if an error occurs.
5590 2007-01-29 Ben Elliston <bje@au.ibm.com>
5592 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
5593 (__gcov_average_profiler): Likewise.
5594 (__gcov_ior_profiler): Likewise.
5595 (__gcov_merge_ior): Likewise.
5597 2007-01-28 Jan Hubicka <jh@suse.cz>
5599 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
5600 * value-prof.c (stringop_block_profile): Likewise.
5602 2007-01-28 Jan Hubicka <jh@suse.cz>
5604 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
5605 variant handling histograms; add wrapper.
5606 (clear_storage_via_libcall): Export.
5607 (emit_block_move_hints): Break out from ...; add histograms.
5608 (emit_block_move): ... this one.
5609 (clear_storage_hints): Break out from ...; add histograms.
5610 (clear_storage): ... this one.
5611 (set_storage_via_memset): Handle histogram.
5612 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
5613 (clear_storage_hints, clear_storage_via_libcall): Declare.
5614 (set_storage_via_setmem): Update prototype.
5615 * doc/md.texi (movmem, setmem): Document new arguments.
5617 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
5619 (stringop_block_profile): New global function.
5620 (tree_stringops_values_to_profile): Profile block size and alignment.
5621 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
5623 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
5624 (stringop_block_profile): Declare.
5625 * builtins.c: Include value-prof.h.
5626 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
5627 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
5628 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
5629 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
5630 * profile.c (instrument_values): Add new counters.
5631 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
5633 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
5634 (tree_init_edge_profiler): Build new profilers.
5635 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
5636 (pass_tree_profile): Add dump.
5637 (tree_profile_hooks): Update.
5638 * Makefile.in (LIBGCOV): Add new constants.
5639 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
5640 __gcov_ior_profiler): New.
5641 * i386.md (movmem/setmem expanders): Add new optional arguments.
5643 2007-01-28 David Edelsohn <edelsohn@gnu.org>
5645 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
5647 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
5649 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
5650 (tree_unswitch_single_loop): Pass eni_size_weights to
5651 tree_num_loop_insns.
5652 * tree-ssa-loop-manip.c: Include tree-inline.h.
5653 (can_unroll_loop_p): Pass eni_size_weights to
5654 tree_num_loop_insns.
5655 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
5656 Pass eni_size_weights to estimate_num_insns.
5657 * tree.h (init_inline_once): Export.
5658 * toplev.c (backend_init): Call init_inline_once.
5659 * cgraphunit.c (cgraph_process_new_functions,
5660 cgraph_analyze_function): Pass eni_inlining_weights to
5662 * ipa-inline.c (compute_inline_parameters): Ditto.
5663 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
5664 to estimate_num_insns.
5665 (try_unroll_loop_completely): Pass eni_size_weights to
5666 tree_num_loop_insns.
5667 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
5668 ot estimate_num_insns.
5669 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
5670 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
5671 * tree-inline.c (eni_inlining_weights, eni_size_weights,
5672 eni_time_weights): New variables.
5673 (init_inline_once): Initialize them.
5674 (struct eni_data): Mew.
5675 (estimate_num_insns_1, estimate_num_insns): Use weights.
5676 * tree-inline.h (struct eni_weights_d): New.
5677 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
5678 (estimate_num_insns): Declaration changed.
5679 * cfgloop.h (tree_num_loop_insns): Declaration changed.
5680 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
5681 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
5683 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
5685 * tree-data-ref.c (conflict_fn): Assert that the number of affine
5686 relations in the conflict function is valid.
5688 2007-01-27 Ian Lance Taylor <iant@google.com>
5690 * common.opt: Add fstrict-overflow.
5691 * opts.c (decode_options): Set flag_strict_overflow if -O2.
5692 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
5693 (TYPE_OVERFLOW_UNDEFINED): Define.
5694 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
5696 * tree.h (TYPE_TRAP_SIGNED): Don't define.
5697 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
5698 (fold_negate_expr): Likewise.
5699 (make_range): Likewise.
5700 (extract_muldiv_1): Likewise.
5701 (maybe_canonicalize_comparison): Likewise.
5702 (fold_comparison): Likewise.
5703 (fold_binary): Likewise.
5704 (tree_expr_nonnegative_p): Likewise.
5705 (tree_expr_nonzero_p): Likewise.
5706 * tree-vrp.c (compare_values): Likewise.
5707 (extract_range_from_binary_expr): Likewise.
5708 (extract_range_from_unary_expr): Likewise.
5709 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
5711 (nowrap_type_p): Likewise.
5712 * tree-scalar-evolution.c (simple_iv): Likewise.
5713 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
5714 (build_range_check): Likewise.
5715 (extract_muldiv_1): Likewise.
5716 (fold_comparison): Likewise.
5717 * tree-vrp.c (vrp_int_const_binop): Likewise.
5718 (extract_range_from_unary_expr): Likewise.
5719 * convert.c (convert_to_integer): Likewise.
5720 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
5721 (fold_comparison): Likewise.
5722 (fold_binary): Likewise.
5723 * optabs.c (optab_for_tree_code): Likewise.
5724 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
5725 * simplify-rtx.c (simplify_const_relational_operation): Check
5726 flag_strict_overflow and flag_trapv.
5727 (simplify_const_relational_operation): Likewise.
5728 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
5729 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
5732 2007-01-27 Roger Sayle <roger@eyesopen.com>
5734 * tree.c (tree_fold_gcd): Delete.
5735 * tree.h (tree_fold_gcd): Remove prototype.
5736 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
5737 test whether one constant integer is a multiple of another. Instead
5738 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
5739 * fold-const.c (multiple_of_p): We've determined both TOP and
5740 BOTTOM are integer constants so we can call int_const_binop directly
5741 instead of the more generic const_binop.
5743 2007-01-27 Roger Sayle <roger@eyesopen.com>
5745 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
5746 1*X check that the constant hasn't overflowed, to preserve the
5748 (round_up): Provide an efficient implementation when rouding-up an
5749 INTEGER_CST to a power-of-two.
5751 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5753 * doc/sourcebuild.texi: Add comma for clarity.
5754 * doc/extend.texi: Fix some typos.
5755 * doc/passes.texi: Likewise.
5756 * doc/cppinternals.texi: Likewise.
5757 * doc/c-tree.texi: Likewise.
5758 * doc/tree-ssa.texi: Likewise.
5759 * doc/install.texi: Likewise.
5761 2007-01-27 Jan Hubicka <jh@suse.cz>
5763 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
5764 (pass_sra): Do not require alias information.
5765 * passes.c (init_optimization_passes): Add SRA
5767 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
5769 * tracer.c (rest_of_handle_tracer): We already cleaned
5770 up the CFG in tracer() so don't do it here again.
5771 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
5772 cleanup_cfg here, either. And don't call renumber_insns.
5774 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
5775 and BB_HEAD are in the insn stream here. Instead make sure
5776 that BB_INSN is valid on all insns. Also, do check here that
5777 there are no pending branch predictions...
5778 (rtl_verify_flow_info): ...instead of doing it here. Checks
5779 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
5782 2007-01-26 Roger Sayle <roger@eyesopen.com>
5784 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
5785 function to simplify/factorize operand order canonicalization.
5786 (ix86_fixup_binary_operands): Reorganize using the above function.
5787 (ix86_binary_operator_ok): Likewise.
5789 2007-01-27 Jakub Jelinek <jakub@redhat.com>
5791 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
5792 file scope from optimize_attrs.
5793 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
5795 (optimize_attrs): Clear insn_code_values after freeing it.
5797 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
5799 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
5800 a parts.base assignment.
5802 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
5804 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
5805 (compute_subscript_distance, initialize_data_dependence_relation,
5806 finalize_ddr_dependent, analyze_ziv_subscript,
5807 analyze_siv_subscript_cst_affine,
5808 compute_overlap_steps_for_affine_univar,
5809 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
5810 analyze_siv_subscript, analyze_miv_subscript,
5811 analyze_overlapping_iterations, subscript_dependence_tester_1,
5812 compute_self_dependence, free_dependence_relation): Work
5813 with affine_fn instead of chrecs.
5814 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
5815 common_affine_function, affine_function_base,
5816 affine_function_constant_p, affine_fn_op, affine_fn_plus,
5817 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
5818 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
5819 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
5820 (all_chrecs_equal_p): Removed.
5821 * tree-data-ref.h (affine_fn, conflict_function): New types.
5822 (struct subscript): Change type of conflicting_iterations_in_a
5823 and conflicting_iterations_in_b.
5825 2007-01-26 Steve Ellcey <sje@cup.hp.com>
5828 * config/pa/pa.h (TARGET_HPUX_11): New.
5829 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
5830 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
5832 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
5833 Richard Guenther <rguenther@suse.de>
5835 * tree-ssa-structalias.c (solve_graph): Handle case
5836 we merged the variable to another.
5838 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5840 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
5843 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
5844 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
5846 2007-01-25 DJ Delorie <dj@redhat.com>
5848 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
5849 allow changes to modes which don't fit in those registers.
5851 * reload1.c (choose_reload_regs): Check for invalid subregs before
5852 computing their locations, not after.
5854 2007-01-25 Geoffrey Keating <geoffk@apple.com>
5857 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
5858 save Altivec registers in an eh_return function.
5859 (compute_vrsave_mask): Likewise.
5860 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
5861 for saving Altivec registers.
5862 (rs6000_emit_prologue): Don't allocate stack twice in
5863 eh_return function. Correct expected value of altivec_save_offset
5864 when using save_world. Describe save of R0 to stack when using
5865 save_world. Describe stack pointer adjustment when using
5866 save_world. Remove duplicated eh_return parameter register saving.
5867 Update sp_offset variable after save_world.
5868 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
5870 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
5871 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
5874 2007-01-25 Steve Ellcey <sje@cup.hp.com>
5876 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
5878 2007-01-25 Steve Ellcey <sje@cup.hp.com>
5881 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
5882 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
5884 2007-01-25 Richard Guenther <rguenther@suse.de>
5886 * doc/invoke.texi (-Wcoverage-mismatch): Document.
5887 * common.opt (-Wcoverage-mismatch): New warning option.
5888 * coverage.c (get_coverage_counts): Ignore coverage mismatch
5889 if -Wcoverage-mismatch is given.
5891 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
5893 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
5894 (ipcp_driver): Change to static definition.
5895 Add dumping of the ifunctions.
5896 (constant_val_insert): Remove unused parameter. Support for SSA.
5897 (ipcp_propagate_const): Support for SSA.
5898 (ipcp_profile_bb_print): Print only analyzed nodes.
5899 (ipcp_replace_map_create): Remove support for Fortran constant
5901 * ipa-prop.c (ipa_method_modify_stmt,
5902 ipa_callsite_compute_param): Support for SSA.
5903 * ipa-prop.h (ipcp_driver): Remove declaration.
5904 (IS_VALID_TREE_MAP_INDEX): Add define.
5906 2007-01-24 Geoffrey Keating <geoffk@apple.com>
5908 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
5910 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5913 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
5914 constant argument to cabs and do it without checking for
5915 -funsafe-math-optimizations.
5917 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
5919 * c-common.h (RID_FIRST_CXX0X): New.
5920 (RID_LAST_CXX0X): New.
5921 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
5923 * c.opt (Wc++0x-compat): New.
5924 * doc/invoke.texi (-Wc++0x-compat): Document.
5926 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5928 * builtins.c (fold_builtin_carg): New.
5929 (fold_builtin_1): Use it.
5931 2007-01-24 Jan Hubicka <jh@suse.cz>
5933 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
5935 * ipa-inline.c (initial_insns, max_insns): Delete.
5936 (compute_max_insns): New function.
5937 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
5938 of insns as base for code growth.
5939 (cgraph_decide_inlining): Make initial_insns local; do not compute
5941 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
5942 * doc/invoke.texi (inline-unit-growth): Update docs.
5944 2007-01-24 Jakub Jelinek <jakub@redhat.com>
5946 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
5947 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
5948 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
5949 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
5950 for CPUs that have PTA_CX16 set.
5953 * gimplify.c (omp_check_private): New function.
5954 (gimplify_scan_omp_clauses): Use it for
5955 firstprivate/lastprivate/reduction.
5958 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
5959 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
5962 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
5963 If lower_lastprivate_clauses emits some statements, append them
5964 to dlist rather than body_p and to body_p append an initializer.
5965 (lower_omp_for): Adjust caller.
5967 2007-01-24 Steve Ellcey <sje@cup.hp.com>
5969 * target.h (globalize_decl_name): New.
5970 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
5971 * output.h (default_globalize_decl_name): New.
5972 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
5974 (globalize_decl): Ditto.
5975 (default_globalize_decl_name): New.
5976 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
5977 (ia64_handle_version_id_attribute): New.
5978 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
5979 (ia64_asm_output_external): Use globalize_decl_name instead
5981 * doc/extend.texi (version_id): New pragma.
5982 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
5984 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
5986 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
5987 _uleb128_t and _Unwind_SWord with _sleb128_t.
5988 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
5989 uw_frame_state_for, uw_update_context_1): Likewise.
5990 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
5991 * unwind-pe.h (read_uleb128, read_sleb128,
5992 read_encoded_value_with_base): Likewise.
5993 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
5995 2007-01-24 Richard Guenther <rguenther@suse.de>
5997 * builtins.c (expand_builtin_cexpi): Get the fndecl
5998 for cexp in the correct way.
6000 2007-01-24 Jan Hubicka <jh@suse.cz>
6002 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
6004 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
6006 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
6007 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
6008 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
6009 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
6010 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
6011 __SIZEOF_PTRDIFF_T__.
6012 * doc/cpp.texi: Documentation for the new builtin macros added.
6014 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
6016 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
6017 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
6018 instead of operands[2] to avoid access past the end of array.
6020 2007-01-24 Richard Sandiford <richard@codesourcery.com>
6022 * reload1.c (emit_reload_insns): Pass the reload register
6023 for a non-spill output reload through forget_old_reloads_1.
6025 2007-01-23 Joseph Myers <joseph@codesourcery.com>
6027 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6028 _SOFT_DOUBLE if doubles use software floating-point.
6029 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
6030 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6031 * config/rs6000/darwin-ldouble.c: Also compile functions for
6032 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
6033 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6034 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
6035 commented-out long double override.
6036 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
6037 * config/rs6000/eabispe.h: Likewise.
6038 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
6039 long double for non-SPE.
6040 (rs6000_handle_option): Likewise.
6041 (invalid_e500_subreg): Disallow more subregs involding DImode,
6042 DFmode, TImode or TFmode.
6043 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
6045 (legitimate_lo_sum_address_p): Also check for TFmode for E500
6047 (rs6000_legitimize_address): Also handle TFmode for E500 double.
6048 (rs6000_legitimize_reload_address): Also handle TFmode for E500
6050 (rs6000_legitimate_address): Also check for TFmode for E500
6052 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
6053 (spe_build_register_parallel): Handle TFmode and TCmode.
6054 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
6056 (function_arg): Handle TFmode and TCmode for E500 double.
6057 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
6059 (print_operand): Handle TFmode and TImode for %y.
6060 (rs6000_generate_compare): Handle TFmode comparisons for E500
6062 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
6063 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
6064 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
6065 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
6066 TFmode for E500 double.
6067 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
6068 (floatsidf2): Enable for E500 double.
6069 (movtf_softfloat): Use rs6000_nonimmediate_operand.
6070 (extenddftf2): Change to extenddftf2_fprs.
6071 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
6072 depending on TARGET_E500_DOUBLE.
6073 (extendsftf2): Enable for E500 double.
6074 (trunctfdf2): Enable for E500 double.
6075 (trunctfsf2): Change to trunctfsf2_fprs.
6076 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
6077 depending on TARGET_E500_DOUBLE.
6078 (floatsitf2): Enable for E500 double.
6079 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
6080 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
6081 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
6082 (negtf2): Change to negtf2_internal.
6083 (negtf2): New expander.
6084 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
6085 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
6086 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
6087 (movdi_internal32): Use rs6000_nonimmediate_operand.
6088 (unnamed splitter): Likewise.
6089 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
6090 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
6091 (SPE64TF, DITI): New mode macros.
6092 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
6095 (frob_<mode>_di_2): New.
6096 (frob_tf_di_8_2): New.
6097 (frob_di_df): Change to frob_di_<mode>; allow more modes.
6099 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
6101 (frob_ti_<mode>_8_2): New.
6102 (frob_ti_tf_2): New.
6103 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
6104 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
6106 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
6107 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
6108 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
6109 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
6110 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
6111 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
6114 2007-01-23 Ian Lance Taylor <iant@google.com>
6116 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
6118 (OBJS-archive): Reformat, alphabetize.
6119 (OBJS): Change out_object_file to OBJS-md.
6121 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
6123 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
6124 JUMP_P and CALL_P predicates where applicable.
6125 * config/i386/i386.c: Ditto.
6126 * config/i386/i386.md: Ditto.
6127 * config/i386/mmx.md: Ditto.
6128 * config/i386/predicates.md: Ditto.
6130 2007-01-22 Andreas Schwab <schwab@suse.de>
6132 * config/m68k/m68k.h: Fix comment.
6134 2007-01-22 Jan Hubicka <jh@suse.cz>
6136 * passes.c (init_optimization_passes): Do not rerun
6137 pass_early_warn_uninitialized.
6139 2007-01-22 Richard Guenther <rguenther@suse.de>
6141 PR tree-optimization/30038
6142 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
6144 (execute_cse_sincos_1): Likewise.
6145 (execute_cse_sincos): Likewise.
6146 (gate_cse_sincos): Likewise.
6147 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
6148 the cexpi() canonicalization of sincos().
6149 * tree-pass.h (pass_cse_sincos): Declare.
6150 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
6152 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6154 PR rtl-optimization/29329
6155 * combine.c (replaced_rhs_insn): Rename to i2mod.
6156 (replaced_rhs_value): Rename to i2mod_new_rhs.
6157 (i2mod_old_rhs): New global variable.
6158 (combine_instructions): Adjust for above change. Save a copy of
6159 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
6160 note are substituted in the second instruction.
6161 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
6162 ditch the note if it pertains to the second eliminated register
6163 and this register is mentioned in i2mod_old_rhs.
6166 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
6168 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6169 the insn to which the note was originally attached.
6171 2007-01-21 Jan Hubicka <jh@suse.cz>
6173 * ipa-inline.c (inlining_mode): Comment, move up.
6174 (cgraph_decide_inlining_incrementally): Do not perform inlining
6175 itself; fix handling of flattening of self recursive functions.
6176 (cgraph_find_cycles): Remove.
6177 (cgraph_flatten_node): Remove.
6178 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
6179 (try_inline): New function.
6180 (cgraph_early_inlining): Update call of
6181 cgraph_decide_inlining_incrementally. Apply inlining here.
6182 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
6184 2007-01-21 Dirk Mueller <dmueller@suse.de>
6187 * tree-vrp.c (check_array_bounds): do not warn
6188 about ADDR_EXPR's of ARRAY_REF's which are immediately
6189 used in binary expressions.
6191 2007-01-21 Ira Rosen <irar@il.ibm.com>
6193 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
6194 read_write_dep and macros for its access.
6195 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
6196 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
6197 argument, call vect_check_interleaving for every independent pair of
6198 data-refs. Mark loads that access the same memory location as a store
6200 (vect_check_dependences): Remove.
6201 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
6202 call, fix the call to vect_analyze_data_ref_dependence.
6203 (vect_analyze_data_ref_access): For statements that access the same
6204 data-ref, check that they are not stores; for loads, check that there
6205 is no store that access the same location.
6207 2007-01-20 Roger Sayle <roger@eyesopen.com>
6208 Joseph Myers <joseph@codesourcery.com>
6210 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
6211 (-fdump-rtl-stack): Likewise.
6212 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
6213 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
6214 (-mpt-fixed): Use @minus{} for minus sign.
6215 (Using Precompiled Headers): Fix under/overfull hbox.
6217 2007-01-20 Jan Hubicka <jh@suse.cz>
6219 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
6220 place within annotation.
6222 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6224 * pa.c (output_move_double): Change array size of xoperands to 4.
6226 2007-01-20 Jan Hubicka <jh@suse.cz>
6228 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
6231 2007-01-19 Ian Lance Taylor <iant@google.com>
6233 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
6234 constant to unsigned HOST_WIDE_INT before negating.
6236 2007-01-19 Ian Lance Taylor <iant@google.com>
6238 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
6240 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
6241 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
6242 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
6243 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
6244 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
6245 (realloc_vdef, realloc_vuse): Change second parameter to
6247 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
6249 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
6250 unsigned. Change x and lim locals to unsigned.
6251 (realloc_vdef, realloc_vuse): Change num_elem parameter to
6253 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
6254 (copy_virtual_operands): Change i and n locals to unsigned.
6256 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6259 * builtins.c (fold_builtin_1): Handle builtin fdim.
6261 2007-01-20 Jan Hubicka <jh@suse.cz>
6263 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
6264 * tree-ssa-structalias.c (compute_points_to_sets): Do call
6265 init_alias_heapvars.
6266 (init_alias_heapvars): Initialize only when not already initialized.
6267 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
6269 2007-01-19 Roger Sayle <roger@eyesopen.com>
6271 * common.opt (fsigned-zeros): New command line option.
6272 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
6273 of flag_unsafe_math_optimizations.
6274 * opts.c (set_fast_math_flags): The -ffast-math command line option
6275 implies -fno-signed-zeros.
6276 (fast_math_flags_set_p): Likewise.
6278 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
6279 the documentation of -ffast-math appropriately. Wrap long lines.
6281 2007-01-19 Steve Ellcey <sje@cup.hp.com>
6283 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
6284 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
6286 2007-01-19 Tomas Bily <tbily@suse.cz>
6288 * cgraphunit.c (cgraph_finalize_function): Updating of pid
6290 (tree_init_ic_make_global_vars): New function
6291 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
6292 (tree_gen_ic_profiler): New function
6293 (tree_gen_ic_func_profiler): New function
6294 (tree_profiling): Added calling of tree_gen_ic_func_profiler
6295 (tree_profile_hooks): Added hook for indirec/virtual calls
6296 * value-prof.c (tree_find_values_to_profile): New case for
6298 (tree_values_to_profile): Call for determining indirect/virtual
6300 (tree_indirect_call_to_profile): New function
6301 (tree_ic_transform): New function
6302 (tree_ic): New function
6303 (find_func_by_pid): New function
6304 (init_pid_map): New function
6305 (tree_value_profile_transformations): Added check for
6306 indirect/virtual call transformation
6307 * value-prof.h (enum hist_type): New counter type for
6308 indirect/virtual calls
6309 (profile_hooks): Added new hook for profiling indirect/virtual
6311 * profile.c (instrument_values): New case for indirect/virtual
6313 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
6314 (GCOV_COUNTER_V_INDIR): New counter type
6315 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
6316 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
6318 * cgraph.c: Definition of cgraph_max_pid
6319 (cgraph_create_node): Default init of pid attribute
6320 * cgraph.h: Declaration of cgraph_max_pid
6321 (struct cgraph_node): Added pid attribute
6322 * libgcov.c (__gcov_indirect_call_profiler): New function
6323 (__gcov_one_value_profiler_body): New function
6324 (__gcov_one_value_profiler): Body was moved to
6325 __gcov_one_value_profiler_body and calls it
6327 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
6329 * doc/gty.texi (Options): Document the mark_hook option to GTY.
6330 * gengtype.c (write_types_data, write_func_for_structure,
6331 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
6332 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
6333 (walk_type, write_func_for_structure): Generate the mark_hook if
6336 2007-01-19 Jan Hubicka <jh@suse.cz>
6338 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
6339 'early' argument take inlining mode argument specifying whether to
6340 inline for size/speeed or all functions; add support for flattening;
6342 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
6344 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6347 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
6348 the name of the declared identifier.
6350 2007-01-19 Dirk Mueller <dmueller@suse.de>
6352 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
6353 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
6354 duplicate evaluation.
6356 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
6358 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
6359 Macroize expander using X87MODEF12 mode macro. Extend operand 1
6360 to XFMode, use acosxf2 and truncate result to requested mode.
6361 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
6362 (asin<mode>2): Similarly, with asin expanders.
6363 (*fscalexf4_i387): Rename from *fscalexf4.
6364 (expNcorexf3): New expander.
6365 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
6366 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
6367 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
6368 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
6369 patterns for SSE math.
6370 (exp10<mode>2): Similarly, with exp10 expanders.
6371 (exp2<mode>2): Similarly, with exp2 expanders.
6372 (expm1<mode>2): Similarly, with expm1 expanders.
6373 (ldexp<mode>3): Similarly, with ldexp expanders.
6374 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
6375 Use gen_truncxf<mode>2_i387_noop to truncate result.
6377 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6379 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
6380 for ColdFire targets.
6382 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
6383 Richard Sandiford <richard@codesourcery.com>
6385 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
6386 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
6387 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
6388 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
6389 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
6390 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
6392 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6394 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
6395 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
6396 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
6397 (*adddi_dilshr32_cf): New pattern.
6398 (adddi3, subdi3): Remove first alternatives.
6400 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6402 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
6403 implemented using move.l, do not use its cc result for floating-point
6406 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6408 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
6409 from accepting 's' constraints if flag_pic.
6411 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6413 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
6414 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
6415 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
6416 condition from TARGET_68881 to TARGET_HARD_FLOAT.
6418 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
6420 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
6421 ColdFire alternatives.
6422 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
6423 * config/m68k/m68k.md (clzsi2): Define for ColdFire
6424 architectures that support ff1 instruction.
6426 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6427 Julian Brown <julian@codesourcery.com>
6429 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
6430 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
6431 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
6434 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6436 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
6438 (output_move_const_into_data_reg, output_move_simode_const): Delete.
6439 * config/m68k/m68k.c (const_method, const_int_cost): Take a
6440 HOST_WIDE_INT instead of an rtx.
6441 (m68k_rtx_costs): Update call accordingly.
6442 (output_move_const_into_data_reg): Likewise. Fix formatting.
6443 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
6445 (output_move_simode_const): Update calls after above changes.
6446 Rework to use automatic variables and predicates like MEM_P.
6447 * config/m68k/m68k.md (pushexthisi_const): Update call to
6450 2007-01-19 Dirk Mueller <dmueller@suse.de>
6452 * tree-ssa-alias.c (perform_var_substitution): Fix typo
6455 2007-01-19 Richard Guenther <rguenther@suse.de>
6457 * builtins.c (expand_builtin_cexpi): Fall back to expanding
6458 via cexp in case sincos is not available.
6460 2007-01-19 Richard Guenther <rguenther@suse.de>
6462 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
6463 * defaults.h (TARGET_HAS_SINCOS): Default to off.
6464 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
6465 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
6466 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
6467 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
6468 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
6469 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
6471 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
6473 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
6475 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
6476 (atan2xf3): Directly generate RTL pattern.
6477 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
6478 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
6479 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
6480 disable patterns for SSE math.
6481 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
6482 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
6483 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
6484 disable patterns for SSE math.
6486 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
6488 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
6490 2007-01-18 Roger Sayle <roger@eyesopen.com>
6492 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
6493 VIEW_CONVERT_EXPR to the same type as it's operand.
6495 2007-01-18 David Edelsohn <edelsohn@gnu.org>
6497 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
6498 configured for long double 128.
6500 2007-01-18 Mike Stump <mrs@apple.com>
6502 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
6505 2007-01-18 Michael Meissner <michael.meissner@amd.com>
6507 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
6510 2007-01-18 Jan Hubicka <jh@suse.cz>
6512 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
6513 greater than NUM_VOP_FREE_BUCKETS.
6515 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
6517 * tree-ssa-structalias.c: Update comments.
6518 (ptabitmap_obstack): Removed.
6520 (oldpta_obstack): Ditto.
6521 (stats): Add a few members.
6522 (struct variable_info): Remove node, complex, address_taken, and
6523 indirect_target members. Add oldsolution member.
6524 (new_var_info): Do not initialize removed members.
6525 (constraint_expr_type): Remove INCLUDES.
6526 (constraint_graph): Add size, implicit_preds, rep,
6527 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
6528 (FIRST_REF_NODE): New macro.
6529 (LAST_REF_NODE): Ditto.
6530 (FIRST_ADDR_NODE): Ditto.
6531 (find): New function.
6533 (dump_constraint): Do not handle INCLUDES.
6534 (insert_into_complex): Do not insert duplicate constraints.
6535 (condense_varmap_nodes): Renamed and rewritten into ...
6536 (merge_node_constraints): This. Also fix bug in handling of
6537 offseted copy constraints.
6538 (clear_edges_for_node): No longer need to deal with preds at all,
6539 or removing associated preds/succs.
6540 (merge_graph_nodes): Deal with indirect_cycles.
6541 Don't deal with predecessors.
6542 (add_implicit_graph_edge): New function.
6543 (add_pred_graph_edge): Ditto.
6544 (add_graph_edge): Don't deal with predecessors.
6545 (build_constraint_graph): Removed.
6546 (build_pred_graph): New function.
6547 (build_succ_graph): Ditto.
6548 (struct scc_info): Removed in_component. Added roots, dfs, and
6549 node_mapping. Remove visited_index, unification_queue.
6550 (scc_visit): Deal with union-find we do now.
6551 Deal with cycles with REF nodes.
6552 (collapse_nodes): Renamed and rewritten to ...
6553 (unify_nodes): This.
6554 (process_unification_queue): Removed.
6555 (topo_visit): Cleanup
6556 (do_da_constraint): Use find.
6557 (do_sd_constraint): Ditto.
6558 (do_ds_constraint): Ditto.
6559 (do_complex_constraint): Ditto.
6560 (init_scc_info): Update for removed and added members.
6561 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
6562 (find_indirect_cycles): This.
6563 (equivalence_class): New variable.
6564 (label_visit): New function.
6565 (perform_variable_substitution): Rewritten.
6566 (free_var_substitution_info): New function.
6567 (find_equivalent_node): Ditto.
6568 (move_complex_constraints): Ditto.
6569 (eliminate_indirect_cycles): Ditto.
6570 (solve_graph): Only propagate changed bits.
6571 Use indirect cycle elimination.
6573 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
6574 (tree_id_eq): Renamed to ...
6575 (tree_vi_eq): This. Update for member change
6576 (insert_id_for_tree): Renamed and rewritten to ...
6577 (insert_vi_for_tree): This.
6578 (lookup_id_for_tree): Renamed and rewritten to ...
6579 (lookup_vi_for_tree): This.
6580 (get_id_for_tree): Renamed and rewritten to ...
6581 (get_vi_for_tree): Ditto.
6582 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
6583 (process_constraint): Don't handle INCLUDES.
6584 Remove special ADDRESSOF case.
6585 (find_func_aliases): Rewrite to use vi functions instead of id
6587 (create_function_info_for): Ditto.
6588 (create_variable_info_for): Ditto.
6589 (intra_create_variable_infos): Ditto.
6590 (merge_smts_into): Ditto.
6591 (find_what_p_points_to): Ditto.
6592 (init_base_vars): Ditto.
6593 (init_alias_vars): Ditto.
6594 (remove_preds_and_fake_succs): New function.
6595 (dump_sa_points_to_info): Dump new stats.
6596 (dump_solution_for_var): Use find.
6597 (set_used_smts): Fix formatting.
6598 (compute_points_to_sets): Updated for new functions.
6599 (ipa_pta_execute): Ditto.
6601 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6602 Richard Sandiford <richard@codesourcery.com>
6604 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
6606 * calls.c (expand_call): If the return value is a PARALLEL,
6607 extract its first member.
6608 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
6609 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
6610 use FUNCTION_EXTRA_EPILOGUE.
6611 (m68k_function_value): Return a PARALLEL if the return value
6612 is of a pointer type.
6613 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
6614 (FUNCTION_EXTRA_EPILOGUE): Remove.
6615 * config/m68k/m68k.md (D0_REG): New constant.
6617 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6619 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
6620 output a NOP for empty epilogues.
6622 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6624 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
6625 before function. Extend register save check to include all
6626 registers, not just integer ones.
6628 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6630 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
6631 (m68k_use_return_insn): ...this.
6632 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
6633 * config/m68k/m68k.c (use_return_insn): Rename to...
6634 (m68k_use_return_insn): ...this.
6635 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
6638 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6640 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
6641 nearest even, fix denormal rounding overflow.
6643 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6645 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
6646 f%$smove and f%$move.
6647 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
6648 (extendsfdf2_cf): Use fdmove instead of f%&move.
6649 (truncdfsf2_cf): Use fsmove instead of f%$smove.
6650 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
6652 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6654 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
6657 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6659 * real.h (real_format): Add a canonical_nan_lsbs_set field.
6660 (coldfire_single_format): Declare.
6661 (coldfire_double_format): Likewise.
6662 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
6663 of qnan_msb_set to determine the lower bits of a canonical
6665 (encode_ieee_double): Likewise.
6666 (encode_ieee_quad): Likewise.
6667 (ieee_single_format): Initialize canonical_nan_lsbs_set.
6668 (mips_single_format): Likewise.
6669 (ieee_double_format): Likewise.
6670 (mips_double_format): Likewise.
6671 (ieee_extended_motorola_format): Likewise.
6672 (ieee_extended_intel_96_format): Likewise.
6673 (ieee_extended_intel_128_format): Likewise.
6674 (ieee_extended_intel_96_round_53_format): Likewise.
6675 (ibm_extended_format): Likewise.
6676 (mips_extended_format): Likewise.
6677 (ieee_quad_format): Likewise.
6678 (mips_quad_format): Likewise.
6679 (vax_f_format): Likewise.
6680 (vax_d_format): Likewise.
6681 (vax_g_format): Likewise.
6682 (i370_single_format): Likewise.
6683 (i370_double_format): Likewise.
6684 (decimal_single_format): Likewise.
6685 (decimal_double_format): Likewise.
6686 (decimal_quad_format): Likewise.
6687 (c4x_single_format): Likewise.
6688 (c4x_extended_format): Likewise.
6689 (real_internal_format): Likewise.
6690 (coldfire_single_format): New real_format.
6691 (coldfire_double_format): Likewise.
6692 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
6693 canonical_nan_lsbs_set.
6694 (pdp11_d_format): Likewise.
6695 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
6696 if TARGET_COLDFIRE_CPU.
6698 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6700 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
6701 (output_call, m68k_legitimize_call_address): Declare.
6702 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
6703 parenthesees. Add support for a 'W' constraint.
6704 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
6705 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
6706 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
6707 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
6709 (override_options): Initialize them. Do not set flag_no_function_cse
6710 for TARGET_ID_SHARED_LIBRARY.
6711 (m68k_output_pic_call): Delete.
6712 (m68k_legitimize_call_address): New function.
6713 (print_operand): Remove the %o prefix. Handle the %p prefix.
6714 (output_call): New function.
6715 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
6716 target address from the GOT if symbolic jumps are not allowed.
6717 * config/m68k/m68k.md (call, general_operand): Do not set
6718 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
6719 Merge separate flag_pic and !flag_pic define_insns into...
6720 (*call, *call_value): ...these new patterns. Match the address
6721 rather than the containing MEM and require it to be a call_operand.
6722 Use output_call to generate the asm template.
6723 * config/m68k/predicates.md (const_call_operand): New predicate.
6724 (call_operand): Likewise.
6726 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6728 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
6729 (STACK_GROWS_DOWNWARD): Define to 1.
6730 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
6731 comments, emphasizing that these values are only defaults.
6732 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
6733 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
6735 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6737 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
6739 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6740 Richard Sandiford <richard@codesourcery.com>
6742 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
6743 (FP_REGNO_P): New macros.
6744 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
6745 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
6746 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
6747 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
6749 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6751 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6752 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
6754 * config/m68k/t-floatlib: New file, extracting common code from...
6755 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
6756 * config/m68k/t-uclinux: Here.
6757 * config/m68k/fpgnulib.c: Do not compile extendeed precision
6758 routines on ColdFire targets.
6760 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6762 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6763 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
6764 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
6765 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
6766 explicitly set MOTOROLA to 1.
6767 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
6769 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6770 Nathan Sidwell <nathan@codesourcery.com>
6772 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
6773 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
6774 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
6775 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
6776 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
6777 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
6778 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
6779 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
6780 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
6781 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
6782 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
6783 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
6784 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
6785 (DBX_REGISTER_NUMBER): Delete.
6786 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
6787 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
6788 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
6790 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6792 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
6793 * config/flat.h: New file.
6794 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
6796 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
6797 indirect references for -msep-data or -mid-shared-library.
6798 Do not use PC-relative code addresses either.
6799 * config/m68k/m68k.c (override_options): Restrict -fPIC error
6801 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
6802 for shared libraries and crt1.o for executables. Use crti.o and
6804 (ENDFILE_SPEC): Use crtend.o and crtn.o.
6805 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
6806 Do not add -elf2flt or -shared-lib-id options here.
6807 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
6808 Pass -shared-lib-id if -mid-shared-library, taking the library
6809 identifier from -mshared-library-id if given, otherwise
6811 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
6812 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
6813 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
6814 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
6815 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
6816 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
6818 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
6819 jump sequence for ISA A and ISA A+.
6820 (PICJUMP): Likewise.
6822 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6824 * config.gcc (m68k-*-uclinux*): Base the port on the common
6825 and m68k GNU/Linux files rather than on the generic ELF ones.
6826 * config/m68k/uclinux.h (TARGET_VERSION): Override.
6827 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
6829 2007-01-18 Julian Brown <julian@codesourcery.com>
6830 Richard Sandiford <richard@codesourcery.com>
6832 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
6833 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
6834 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
6836 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
6838 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
6840 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6842 * doc/install.texi: Document m68k-uclinuxoldabi.
6843 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
6844 * config/m68k/uclinux-oldabi.h: New file, copied from
6845 config/m68k/uclinux.h.
6847 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
6849 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
6850 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
6851 (m32r_compute_frame_size): Use unsigned for regno.
6852 (m32r_reload_lr): Use gen_frame_mem.
6854 (m32r_output_function_epilogue): Don't output the function epilogue
6856 (m32r_expand_epilogue): New.
6857 (direct_return): Return false if the function has the interrupt
6859 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
6860 * config/m32r/m32r.md (epilogue): New expander.
6861 (return_lr, return_rte): New insns.
6862 (return): Make it expander.
6863 (return_normal): New expander.
6865 2007-01-18 Josh Conner <jconner@apple.com>
6868 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
6869 support for UNLE, UNLT, UNGE, and UNGT.
6871 2007-01-18 Jan Hubicka <jh@suse.cz>
6873 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
6874 * tree-tailcall (add_virtual_phis): Likewise.
6875 (optimize_tail_call): Return TODOs.
6876 (execute_tail_calls): Return TODOs.
6877 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
6878 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
6880 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6881 Cleanup cfg using TODO.
6882 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
6883 * passes.c (execute_function_todo): When cleanup did something, remove
6885 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
6886 (make_edges): Don't cleanup_cfg.
6888 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
6890 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
6891 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
6892 operate on the top of stack.
6893 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
6894 register handling of instructions that output to the second
6896 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
6897 (move_for_stack_reg): Special-case check for dead destination
6898 stack slot for constant load of 1.0 inside UNSPEC_TAN.
6900 * config/i386/i386.md (UNSPEC_TAN): New constant.
6901 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
6902 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
6903 to correctly model move of constant 1.0 to top stack slot.
6904 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
6905 (unnamed peephole2 pattern): Remove corresponding peephole2
6906 pattern that optimizes tan insn and loading of constant 1.0.
6907 (tanxf2): Use fptanxf4_i387.
6908 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
6909 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
6910 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
6911 disable patterns for SSE math.
6912 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
6913 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
6915 2007-01-18 Dirk Mueller <dmueller@suse.de>
6916 Richard Guenther <rguenther@suse.de>
6919 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
6920 * common.opt (Warray-bounds): Add new warning option.
6921 * c-opts.c (c_common_handle_option): Define -Warray-bounds
6923 * Makefile.in: make tree-vrp.o depend on toplev.h
6924 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
6926 (check_array_refs, check_array_bounds, check_array_ref): New.
6928 2007-01-18 Jan Hubicka <jh@suse.cz>
6930 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
6931 (execute_ssa_ccp): Return flags conditionally.
6932 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
6934 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
6936 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
6938 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
6939 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
6941 * Makefile.c (GTFILES): Add cfglayout.h.
6942 * gengtype.c (open_base_files): Likewise.
6943 * cfglayout.c (cfg_layout_function_footer,
6944 cfg_layout_function_header) Reindent to make gengtype happy.
6945 * cfglayout.h (cfg_layout_function_footer,
6946 cfg_layout_function_header): Add GTY(()) marker.
6948 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
6950 2007-01-18 Ben Elliston <bje@au.ibm.com>
6952 * genautomata.c (write_automata): Include xstrerror output in the
6953 error message if writing the DFA description file fails.
6955 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
6957 * config/mips/mips-protos.h (mips_output_external): Make it
6959 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
6960 * config/mips/mips.c (irix_output_external_libcall): Likewise.
6961 (extern_list): Likewise.
6962 (extern_head): Likewise.
6963 (TARGET_ASM_FILE_END): Likewise.
6964 (mips_file_end): Likewise.
6965 (mips_output_external): Rewritten.
6967 2007-01-18 Ben Elliston <bje@au.ibm.com>
6969 * genpreds.c (write_insn_preds_c): Only write out the function
6970 body for regclass_for_constraint if we have register constraints.
6972 2007-01-17 Tom Tromey <tromey@redhat.com>
6974 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
6975 * doc/install.texi (Testing): Use sourceware.org.
6976 (Binaries): Likewise.
6977 (Specific): Likewise.
6978 * doc/contrib.texi (Contributors): Use sourceware.org.
6980 2007-01-17 Anatoly Sokolov <aesok@post.ru>
6982 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
6983 (AVR_ENHANCED): Rename to ...
6984 (AVR_HAVE_MUL): ... new.
6985 (avr_enhanced_p): Rename to ...
6986 (avr_have_mul_p): ... new.
6987 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
6988 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
6989 * config/avr/avr.c (avr_enhanced_p): Rename to ...
6990 (avr_have_mul_p): ... new.
6991 (base_arch_s): Rename 'enhanced' to 'have_mul'.
6992 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
6993 'avr_enhanced_p' and 'enhanced'.
6994 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
6995 AVR_HAVE_MUL instead of AVR_ENHANCED.
6996 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
6997 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
6998 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
6999 instead of AVR_ENHANCED.
7000 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7001 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
7002 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
7004 2007-01-17 Ian Lance Taylor <iant@google.com>
7006 * vec.h (VEC_reserve_exact): Define.
7007 (vec_gc_p_reserve_exact): Declare.
7008 (vec_gc_o_reserve_exact): Declare.
7009 (vec_heap_p_reserve_exact): Declare.
7010 (vec_heap_o_reserve_exact): Declare.
7011 (VEC_OP (T,A,reserve_exact)): New static inline function, three
7013 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
7015 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
7016 (VEC_OP (T,A,copy)) [all versions]: Likewise.
7017 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
7018 * vec.c (calculate_allocation): Add exact parameter. Change all
7020 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
7021 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
7022 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
7023 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
7024 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
7025 (vec_heap_p_reserve_exact): New function.
7026 (vec_heap_o_reserve_exact): New function.
7028 2007-01-17 Jan Hubicka <jh@suse.cz>
7030 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
7032 2007-01-17 Eric Christopher <echristo@apple.com>
7034 * config.gcc: Support core2 processor.
7036 2007-01-16 Jan Hubicka <jh@suse.cz>
7038 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
7039 the names, just unlink the chain so we don't crash on dangling pointers
7042 2007-01-16 Jan Hubicka <jh@suse.cz>
7044 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
7045 * tree-pass.h: Reorder to make IPA passes appear toegher.
7046 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
7047 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
7048 parameters, do not call early inliner.
7049 * ipa-inline.c: Update comments. Include tree-flow.h
7050 (cgraph_decide_inlining): Do not compute inlining parameters.
7051 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
7052 be called with function context set up.
7053 (pass_ipa_inline): Remove unreachable functions before pass.
7054 (cgraph_early_inlining): Simplify assuming to be called from the
7056 (pass_early_inline): New pass.
7057 (cgraph_gate_ipa_early_inlining): New gate.
7058 (pass_ipa_early_inline): Turn into simple wrapper.
7059 (compute_inline_parameters): New function.
7060 (gate_inline_passes): New gate.
7061 (pass_inline_parameters): New pass.
7062 (apply_inline): Move here from tree-optimize.c
7063 (pass_apply_inline): New pass.
7064 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
7066 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
7068 (tree_function_versioning): Do not allocate dummy struct function.
7069 * tree-inline.h (optimize_inline_calls): Update prototype.
7070 * tree-optimize.c (execute_fixup_cfg): Export.
7071 (pass_fixup_cfg): Remove
7072 (tree_rest_of_compilation): Do not apply inlines.
7073 * tree-flow.h (execute_fixup_cfg): Declare.
7074 * Makefile.in (gt-passes.c): New.
7075 * passes.c: Include gt-passes.h
7076 (init_optimization_passes): New passes.
7077 (nnodes, order): New static vars.
7078 (do_per_function_toporder): New function.
7079 (execute_one_pass): Dump current pass here.
7080 (execute_ipa_pass_list): Don't dump current pass here.
7082 2007-01-16 Janis Johnson <janis187@us.ibm.com>
7084 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
7085 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
7087 2007-01-16 David Edelsohn <edelsohn@gnu.org>
7089 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
7090 (strong_alias): Define.
7091 (__gcc_qmul): Provide non-FMA for soft-float.
7097 (__gcc_qunord): New.
7107 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
7108 soft-float functions.
7109 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
7110 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
7111 about long double soft float.
7113 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
7114 Tehila Meyzels <tehila@il.ibm.com>
7116 * tree-vectorizer.h (is_pattern_stmt_p): New.
7117 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
7118 formatting (tabs instead of spaces). Cleanup and clarify setting
7119 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
7120 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
7121 (vectorizable_type_demotion): Check that types are integral.
7122 (vectorizable_type_promotion): Likewise.
7123 (vectorizable_store): Fix typo. Eliminate new-line at end of
7126 2007-01-16 Jan Hubicka <jh@suse.cz>
7128 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
7131 2007-01-15 Eric Christopher <echristo@apple.com>
7133 * ifcvt.c: Include vec.h, vecprim.h.
7134 (check_cond_move_block): New argument regs.
7135 Reorganize. Add registers used to regs.
7136 (cond_move_process_if_block): Use regs set above as
7139 2007-01-15 Eric Christopher <echristo@apple.com>
7141 * config/darwin.h: Update copyright.
7142 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
7143 (LINK_COMMAND_SPEC): Add -u.
7144 (LINK_SPEC): Fix umbrella for above.
7146 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
7148 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
7151 2007-01-15 Tom Tromey <tromey@redhat.com>
7153 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
7154 * doc/install.texi (Testing): Don't mention jacks.
7155 (Configuration): Document --enable-java-maintainer-mode. Move
7156 --with-java-home to libgcj-specific section. Document
7158 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
7160 2007-01-15 Jan Hubicka <jh@suse.cz>
7162 * tree-ssa-dce.c (DCE_TODOs): New.
7163 (propagate_necessity): Return if something changed.
7164 (eliminate_unnecessary_stmts): Likewise.
7165 (perform_tree_ssa_dce): Return TODO flags when needed.
7166 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
7168 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
7170 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
7171 (fyl2x_extend<mode>xf3_i387): New insn pattern.
7172 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
7173 patterns using X87MODEF12 mode macro. Extend operand 1
7174 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
7175 (log10<mode>2): Ditto.
7176 (log2<mode>2): Ditto.
7177 (log1p<mode>2): Ditto.
7178 (logb<mode>2): Ditto.
7179 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
7180 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
7181 (*fxtractxf3_i387): Rename from *fxtractxf3.
7182 (fxtract_extend<mode>xf3_i387): New insn pattern.
7183 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
7184 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
7185 and gen_fyl2xxf3_i387().
7187 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7189 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
7190 * cfgloopmanip.c (fix_loop_placement): Made static. Use
7191 get_loop_exit_edges. Changed return type to bool.
7192 * cfgloop.h (fix_loop_placement): Declaration removed.
7194 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
7196 * param.h (MIN_VECT_LOOP_BOUND): New.
7197 * params.def (MIN_VECT_LOOP_BOUND): New.
7198 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
7199 argument - minimum threshold for number of iterations.
7200 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
7201 argument to declaration.
7202 * tree-vect-analyze.c (vect_analyze_operations): Check value of
7203 MIN_VECT_LOOP_BOUND.
7204 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
7205 slpeel_tree_peel_loop_to_edge with additional argument.
7206 (vect_do_peeling_for_alignment): Likewise.
7207 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
7209 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
7212 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
7215 2007-01-14 Jan Hubicka <jh@suse.cz>
7217 * tree-dfa.c (remove_referenced_var): New function.
7218 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
7219 prune referenced vars list too.
7220 * tree-flow.h (remove_referenced_var): Declare.
7222 2007-01-14 Jan Hubicka <jh@suse.cz>
7224 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
7226 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
7227 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
7228 * except.h (verify_eh_throw_table_statements): Kill prototype.
7229 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
7230 into call exrepssions.
7231 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
7233 * tree-cfg.c: Include pointer-set.h.
7234 (verify_node_sharing): Work on pointer set.
7235 (verify_eh_throw_stmt_node): New.
7236 (verify_stmts): Use pointers sets, verify throw_stmt.
7238 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
7240 * ipa-reference.c (analyze_function): Consider also addresses taken
7243 2007-01-12 Roger Sayle <roger@eyesopen.com>
7245 * c-typeck.c (null_pointer_constant_p): Replace use of
7246 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7247 (build_c_cast): Likewise.
7249 2007-01-12 Roger Sayle <roger@eyesopen.com>
7251 * tree.h (force_fit_type_double): Remove unused final argument.
7252 * c-common.c (constant_expression_warning): Replace use of
7253 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7254 (convert_and_check): Likewise.
7255 (shorten_compare): Update call to force_fit_type_double.
7256 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
7257 * convert.c (convert_to_pointer): Update call to
7258 force_fit_type_double.
7259 * fold-const.c (force_fit_type_double): Remove overflowed_const
7261 (int_const_binop, fold_convert_const_int_from_int,
7262 fold_convert_const_int_from_real, fold_div_compare,
7263 fold_sign_changed_comparison, fold_unary, fold_negate_const,
7264 fold_abs_const, fold_not_const): Remove the final argument from
7265 calls to force_fit_type_double.
7267 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
7269 * configure.ac: Set insn to "nop" for spu-*-* also.
7270 * configure: Regenerate.
7272 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
7274 * builtins.def : Add BUILT_IN_FREE.
7276 2007-01-12 Jan Hubicka <jh@suse.cz>
7278 PR tree-optimization/30443
7279 * tree-inline.c (tree_function_versioning): Do not optimize when
7280 cloning for inlining.
7282 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
7284 * doc/loop.texi: Document recording of loop exits.
7285 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
7286 (update_single_exits_after_duplication,
7287 update_single_exit_for_duplicated_loop,
7288 update_single_exit_for_duplicated_loops): Removed.
7289 (duplicate_loop_to_header_edge): Do not call
7290 update_single_exits_after_duplication and
7291 update_single_exit_for_duplicated_loops.
7292 (loop_version): Do not update single_exit information.
7293 (fix_loop_structure): Use record_loop_exits instead of
7294 mark_single_exit_loops.
7295 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
7296 the lists of loop exits.
7297 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
7298 split_edge, merge_blocks): Update the lists of loop exits.
7299 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
7300 loop_optimizer_init.
7301 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
7302 of mark_single_exit_loops.
7303 (loop_optimizer_finalize): Call release_recorded_exits.
7304 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
7305 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
7306 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
7307 update single exit information.
7308 * lambda-code.c (perfect_nestify): Ditto.
7309 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
7310 (mark_single_exit_loops): Removed.
7311 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
7312 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
7313 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
7315 (get_loop_exit_edges, single_exit): Use recorded exit lists.
7316 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
7317 (verify_loop_structure): Verify consistency of the exit lists.
7318 (flow_loops_find): Use alloc_loop. Initialize exits hash.
7319 (set_single_exit): Removed.
7320 * cfgloop.h (struct loop_exit): New function.
7321 (struct loop): single_exit_ field replaced by exits field.
7322 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
7323 (struct loops): Added exits hash.
7324 (mark_single_exit_loops, set_single_exit): Declaration removed.
7325 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
7327 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7329 * doc/invoke.texi: Avoid use of @headitem.
7331 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7333 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
7335 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7337 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
7340 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
7341 Richard Sandiford <richard@codesourcery.com>
7343 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
7344 * config/m68k/m68k.opt: Resort options.
7345 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
7347 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
7348 Richard Sandiford <richard@codesourcery.com>
7350 * doc/invoke.texi: Document the macros that are defined by
7351 m68k's -mtune and -mhard-float options.
7352 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
7353 (m68k_cpp_cpu_family): Likewise.
7354 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
7355 of __ucfv*__ macros. Define __mcffpu__ if generating code for
7356 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
7357 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
7358 (m68k_cpp_cpu_family): Likewise.
7360 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7362 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
7363 macros besides mc68000 as tuning macros. Use a switch statement
7364 to set them and mcpu32.
7366 2007-01-12 Julian Brown <julian@codesourcery.com>
7368 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
7369 (TARGET_68040_ONLY): Rename to...
7370 (TARGET_68040): ...this.
7371 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
7372 * config/m68k/m68k.md: Likewise.
7374 2007-01-12 Julian Brown <julian@codesourcery.com>
7375 Nathan Sidwell <nathan@codesourcery.com>
7376 Richard Sandiford <richard@codesourcery.com>
7378 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
7379 the -mcpu= argument associated with the --with-cpu setting.
7380 Define M68K_DEFAULT_TUNE to the default -mtune= option,
7381 if different from the one implied by the -mcpu setting.
7382 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
7383 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
7384 * doc/invoke.texi: Mention ColdFire in the introduction to the
7385 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
7386 -mno-div and -mhard-float options. Make -m68881 a synonym for
7387 -mhard-float. Document the previously-undocumented -m5206e,
7388 -m528x, -m5307 and -m5407 options. Tweak the existing option
7389 documentation for consistency.
7390 * doc/install.texi: Mention new --with-cpu arguments.
7391 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
7392 default CPU if neither -mcpu nor -march are specified.
7393 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
7394 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
7395 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
7396 using m68k_tune to decide between families that implement the
7397 same ISA. Use m68k_tune to set __mcfv4e__.
7398 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
7399 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
7400 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
7401 (FL_ISA_C, FL_ISA_MMU): New macros.
7402 (MASK_COLDFIRE): Delete.
7403 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
7404 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
7405 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
7406 (TARGET_HARD_FLOAT): Do not define here.
7407 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
7408 (TUNE_68000): New macro.
7409 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
7410 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
7411 (TUNE_CFV2): Redefine in terms of m68k_tune.
7412 (uarch_type, target_device, fpu_type): New enums.
7413 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
7414 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
7415 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
7416 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
7417 (FL_FOR_isa_c): New macros.
7418 (m68k_isa): New enum.
7419 (m68k_target_selection): New structure.
7420 (all_devices, all_isas, all_microarchs): New tables.
7421 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
7422 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
7423 (MASK_ALL_CPU_BITS): Delete.
7424 (m68k_find_selection): New function.
7425 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
7426 Map the legacy target options to a combination of the new ones.
7427 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
7428 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
7429 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
7431 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
7432 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
7434 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
7435 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
7436 * config/m68k/m68k-devices.def: New file.
7438 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7439 Nathan Sidwell <nathan@codesourcery.com>
7441 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
7442 (SUBTARGET_EXTRA_SPECS): New macros.
7443 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
7444 use %(asm_cpu_spec) instead.
7445 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
7446 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
7447 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
7448 (EXTRA_SPECS): Rename to...
7449 (SUBTARGET_EXTRA_SPECS): ...this.
7451 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
7452 Richard Sandiford <richard@codesourcery.com>
7453 Julian Brown <julian@codesourcery.com>
7455 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7456 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
7457 to the configuration's default CPU.
7458 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
7459 Remove default masks.
7460 (m680[012]0-*-*): Set the default with_cpu to the first part of
7462 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
7463 (m68k*-*-linux): Extend the --with-cpu handling to...
7464 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
7465 and m68010. Don't set target_cpu_default2.
7466 * doc/install.texi: Document --with-cpu for m68k.
7467 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
7468 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
7469 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
7470 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
7471 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
7472 (ASM_SPEC): Remove use of %(asm_cpu_default).
7473 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
7474 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
7475 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
7476 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
7477 __HAVE_FPU__ if TARGET_HARD_FLOAT.
7478 (TARGET_DEFAULT): Delete.
7479 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
7480 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
7481 (CPP_CPU_SPEC): Delete.
7482 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
7483 the appropriate string.
7484 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
7485 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
7486 (ASM_SPEC): Don't use %(asm_default_spec).
7487 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7488 TARGET_DEFAULT and add MASK_68881.
7489 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
7491 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7493 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
7494 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
7495 MASK_68010 alongside MASK_68020.
7496 * doc/invoke.texi: Document -m68010.
7497 * config/m68k/m68k.opt (m68010): New.
7498 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
7500 (TUNE_68010): New macro.
7501 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
7502 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
7503 (M68K_CPU_m68332): Add MASK_68010.
7504 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
7505 fallback definition.
7506 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
7508 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
7509 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
7510 to all entries that use MASK_68020.
7511 (output_move_simode_const, output_move_himode, output_move_qimode)
7512 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
7513 instead of TARGET_68020 to select clr behavior. Remove comment
7514 about there being no TARGET_68010.
7515 * config/m68k/m68k.md: Likewise throughout.
7517 2007-01-12 Julian Brown <julian@codesourcery.com>
7519 * config/m68k/m68k.h (TARGET_ISAB): New macro.
7520 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
7521 * config/m68k/m68k.md: Likewise.
7523 2007-01-12 Julian Brown <julian@codesourcery.com>
7525 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
7526 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
7528 2007-01-12 Julian Brown <julian@codesourcery.com>
7530 * config/m68k/m68k.h (TUNE_68040_60): New macro.
7531 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
7532 * config/m68k/m68k.md: Likewise.
7534 2007-01-12 Julian Brown <julian@codesourcery.com>
7535 Richard Sandiford <richard@codesourcery.com>
7537 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
7538 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
7539 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
7541 (TARGET_CPU32): Rename to...
7542 (TUNE_CPU32): ...this.
7543 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
7544 (TUNE_CFV2): New macros.
7545 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
7546 remove conditions that are implied by TARGET_68020.
7547 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
7548 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
7549 (m68k_output_function_epilogue): Likewise.
7550 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
7551 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
7552 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
7553 non-68000 timings. Refactor multiplication and division costs.
7554 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
7555 TUNE_CPU32 instead of TARGET_CPU32.
7556 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
7557 and TUNE_68060 instead of TARGET_68060.
7558 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
7559 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
7561 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
7562 && !TARGET_COLDFIRE" to choose between moveq and clr.
7563 Likewise in the unnamed movsf pattern.
7564 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
7565 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
7568 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7570 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
7571 of tabbing before backslashes.
7573 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7575 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
7576 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
7577 (ASM_OUTPUT_INTERNAL_LABEL): Define.
7579 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7581 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
7582 find_interesting_uses_cond.
7583 (find_interesting_uses_cond): Use extract_cond_operands.
7584 (rewrite_use_compare): Use extract_cond_operands and
7585 force_gimple_operand_bsi. Do not call update_stmt.
7586 (determine_use_iv_cost_condition): Use extract_cond_operands.
7587 Return cheaper of using original bound and changing the exit bound.
7589 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7591 PR tree-optimization/29516
7592 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
7593 most_expensive_mult_to_index, addr_to_parts,
7594 create_mem_ref, maybe_fold_tmr): Make the type of
7595 fields of TARGET_MEM_REF sizetype.
7596 (move_fixed_address_to_symbol, move_pointer_to_base):
7598 * tree.def (TARGET_MEM_REF): Add comment on types of
7601 2007-01-11 Joseph Myers <joseph@codesourcery.com>
7603 * c-common.c (vector_types_convertible_p): Treat opaque types as
7604 always convertible if they have the same size, but not otherwise.
7606 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
7608 * ifcvt.c (struct noce_if_info): Add comments to the fields.
7609 Remove the b_unconditional field.
7610 (noce_try_sign_mask): Do not look at b_unconditional.
7611 (noce_process_if_block): Do not use merge_if_blocks. Update
7612 the CFG here. Do not set b_unconditional.
7613 (cond_move_process_if_block): Likewise.
7614 (find_cond_trap): Likewise.
7615 (check_cond_move_block): Require simple jump insns at the end
7618 2007-01-11 Jan Hubicka <jh@suse.cz>
7620 PR tree-optimization/1046
7621 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
7622 when alias info is not ready.
7623 (pass_tail_recursion): Do not require aliasing.
7624 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
7625 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
7626 * tree-ssa-copy.c (pass_copy_prop): Likewise.
7627 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
7628 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
7629 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
7630 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
7632 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
7633 When aliasing is not build, mark statement as volatile.
7635 2007-01-11 Tom Tromey <tromey@redhat.com>
7637 PR preprocessor/15185, PR preprocessor/20989:
7638 * doc/cppopts.texi <-MT>: Update description of algorithm for
7639 computing default target.
7640 <-M, -MD>: Reword "basename" text.
7642 2007-01-11 Roger Sayle <roger@eyesopen.com>
7644 * builtins.c (expand_builtin_pow, expand_builtin_powi,
7645 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
7646 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
7647 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
7648 fold_builtin_bswap, real_constp, fold_builtin_pow,
7649 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
7650 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
7651 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7652 * convert.c (convert_to_pointer): Likewise.
7653 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
7654 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
7655 const_binop, fold_convert_const_int_from_int,
7656 fold_convert_const_int_from_real,
7657 fold_convert_const_real_from_real, sign_bit_p,
7658 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
7659 fold_sign_changed_comparison, fold_unary, fold_comparison,
7660 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
7661 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
7662 * print-tree.c (print_node_brief, print_node): Likewise.
7663 * stor-layout.c (place_field, layout_type): Likewise.
7664 * tree-chrec.c (keep_cast): Likewise.
7665 * tree.c (build_vector, build_real, build_real_from_int_cst,
7666 build_complex): Likewise.
7668 2007-01-11 Roger Sayle <roger@eyesopen.com>
7670 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
7671 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
7673 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
7675 * configure.ac (strict1_warn): Rename to strict_warn.
7676 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
7677 cc_set_by_configure, quoted_cc_set_by_configure,
7678 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
7679 all_boot_languages, all_stagestuff): Remove.
7680 (target_list): Remove bootstrap targets.
7681 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
7682 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
7683 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
7684 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
7685 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
7686 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
7687 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
7688 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
7689 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
7690 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
7691 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
7692 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
7693 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
7694 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
7695 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
7696 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
7697 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
7698 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
7699 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
7700 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
7701 (mostlyclean): Adjust.
7702 (clean, distclean): Don't mention bootstrap stuff.
7703 * configure: Regenerate.
7704 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
7705 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
7706 treelang/config-lang.in (stagestuff): Remove.
7707 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
7708 stageprofile, stagefeedback, stagestuff): Remove mention.
7710 2007-01-11 Nick Clifton <nickc@redhat.com>
7712 * config/mcore/predicates.md (mcore_general_movesrc_operand):
7714 (mcore_general_movdst_operand): Do not accept CONST_INTs.
7715 (mcore_arith_K_S_operand): Run the test for the S constraint not
7716 the test for the M constraint.
7717 (mcore_addsub_operand): Do not accept integer values that are
7718 larger than 32 bits.
7719 * config/mcore/mcore.md: Remove unused constraints from split.
7720 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
7722 (allocate_stack): Likewise.
7723 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
7724 operands to 32 bits.
7725 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
7727 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
7728 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
7729 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
7730 mcore_output_bclri, mcore_output_andn, output_inline_const,
7731 mcore_output_move, mcore_output_movedouble): Likewise.
7732 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
7733 (output_inline_const): Likewise.
7734 (output_inline_const): Fix format strings used in sprintf
7736 * config/mcore/mcore-protos.h: Update prototypes for changed
7737 functions in mcore.c.
7738 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
7739 HOST_WIDE_INT and not int.
7740 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
7741 CONST_OK_FOR_N): Likewise.
7742 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
7743 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
7746 2007-01-10 Jan Hubicka <jh@suse.cz>
7748 * tree-vrp.c (remove_range_assertions): Release defs.
7749 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
7750 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
7752 2007-01-10 Paul Brook <paul@codesourcery.com>
7754 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
7755 * config/arm/arm.md (mulsi3subsi): New insn.
7757 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
7759 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
7760 (tree_transform_and_unroll_loop): New.
7761 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
7764 2007-01-10 Robert Kennedy <jimbob@google.com>
7766 * fold-const.c (fold_comparison): Fold comparisons like (x *
7767 1000 < 0) to (x < 0).
7769 2007-01-10 Ian Lance Taylor <iant@google.com>
7771 * tree-pretty-print.c (dump_generic_node): Print parentheses when
7772 operands have the same priority.
7774 2007-01-10 Tom Tromey <tromey@redhat.com>
7776 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
7777 (fold_binary): Likewise.
7778 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
7779 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
7780 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
7781 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
7782 * langhooks.h (struct lang_hooks): Removed field
7783 'can_use_bit_fields_p'.
7785 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
7787 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
7789 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
7791 * function.c (get_last_funcdef_no): New function.
7792 * function.h (get_last_funcdef_no): Declare.
7793 * tree-inline.c (initialize_cfun): Add initialization.
7794 (tree_function_versioning): Cleanup.
7796 2007-01-10 Jan Hubicka <jh@suse.cz>
7798 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
7801 2007-01-10 Sa Liu <saliu@de.ibm.com>
7802 Ben Elliston <bje@au.ibm.com>
7804 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
7805 for SAVE_NONLOCAL and Pmode for any other save level.
7806 * spu-protos.h (spu_restore_stack_block): Declare.
7807 * spu.md (save_stack_block): Remove.
7808 (restore_stack_block): Call spu_restore_stack_block.
7809 * spu.c (spu_restore_stack_block): New function.
7810 (spu_expand_epilogue): Remove old comment.
7812 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
7814 PR tree-optimization/30322
7815 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
7816 (cand_value_at): Return the value as aff_tree.
7817 (may_eliminate_iv): Convert the bound from aff_tree to tree.
7818 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
7819 aff_combination_mult): New functions.
7820 (aff_combination_add): Use aff_combination_add_cst.
7821 (aff_combination_convert): Allow conversions to a wider type.
7822 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
7823 * tree-affine.h (aff_combination_mult): Declare.
7825 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
7827 * doc/tm.texi: Update documentation to reflect reality of exec
7828 and start file search behaviours. Update copyright year.
7829 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
7830 header file directories.
7832 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
7834 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
7835 (*cosxf2): Rename to cosxf2_i387.
7836 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
7837 using X87MODEF12 mode macro. Rename patterns to
7838 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
7840 (*cosdf2, *cossf2): Ditto.
7841 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
7842 to match extended input operands.
7843 (sincos<mode>3): New expander.
7844 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
7845 insn patterns and corresponding splitters.
7847 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
7849 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
7850 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
7852 2007-01-09 Nicolas Pitre <nico@cam.org>
7855 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
7857 2007-01-08 Geoffrey Keating <geoffk@apple.com>
7859 * target.h (struct gcc_target): New field library_rtti_comdat.
7860 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
7861 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
7862 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
7863 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
7865 2007-01-08 Geoffrey Keating <geoffk@apple.com>
7867 * doc/invoke.texi (Optimize Options): Correct description of -O0.
7869 2007-01-08 Richard Guenther <rguenther@suse.de>
7871 * tree.h (force_fit_type_double): Export.
7872 (force_fit_type): Remove.
7873 * fold-const.c (force_fit_type_double): New function.
7874 (force_fit_type): Remove.
7875 (int_const_binop): Use it.
7876 (fold_convert_const_int_from_int): Likewise.
7877 (fold_convert_const_int_from_real): Likewise.
7878 (fold_div_compare): Likewise.
7879 (fold_sign_changed_comparison): Likewise.
7880 (fold_unary): Likewise.
7881 (fold_negate_const): Likewise.
7882 (fold_abs_const): Likewise.
7883 (fold_not_const): Likewise.
7884 * c-common.c (shorten_compare): Use force_fit_type_double.
7885 * convert.c (convert_to_pointer): Likewise.
7887 2007-01-08 Richard Guenther <rguenther@suse.de>
7889 * tree.h (build_int_cst_wide_type): Export.
7890 * tree.c (build_int_cst_wide_type): New function.
7891 (build_int_cst_wide): Fix comment.
7892 * builtins.c (fold_builtin_object_size): Use build_int_cst
7893 to build -1 or 0 of the correct type. Use fit_double_type
7894 to check for overflow.
7895 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
7897 (decode_field_reference): Likewise.
7898 (all_ones_mask_p): Likewise.
7899 (native_interpret_int): Use build_int_cst_wide_type.
7900 (fold_binary): Use build_int_cst_type to build an all-ones
7902 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
7904 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
7906 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
7908 2007-01-09 Ben Elliston <bje@au.ibm.com>
7910 * genautomata.c (STATS_OPTION): New option.
7911 (stats_flag): New flag.
7912 (gen_automata_option): Handle it.
7913 (initiate_automaton_gen): Ditto.
7914 (write_automata): Output statistics only if stats_flag is
7915 set. Likewise, output time statistics only if time_flag is set.
7916 * doc/md.texi (Processor pipeline description): Document new flag.
7918 2007-01-08 Richard Guenther <rguenther@suse.de>
7920 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
7921 * tree.c (build_int_cst_type): Likewise.
7922 (size_in_bytes): Don't call force_fit_type on the result.
7923 (int_fits_type_p): Use fit_double_type.
7924 * fold-const.c (fit_double_type): New function.
7925 (force_fit_type): Use it.
7926 * tree.h (fit_double_type): Export.
7928 2007-01-08 Jan Hubicka <jh@suse.cz>
7930 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
7931 * ipa.c (function_and_variable_visibility): Fix return type.
7933 2007-01-08 Richard Guenther <rguenther@suse.de>
7935 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
7936 of offset to build the index.
7937 * tree-pretty-print.c (dump_generic_node): Don't build negated
7938 const just for printing.
7939 * c-pretty-print.c (pp_c_integer_constant): Likewise.
7940 * builtins.c (fold_builtin_int_roundingfn): Check if result
7941 fits the type by using force_fit_type and comparing the result.
7942 * predict.c (predict_loops): Use compare_tree_int for comparison.
7943 * tree.c (build_int_cst): Fall back to integer_type_node for
7945 (build_int_cst_wide): Assert type is non-null.
7947 2007-01-08 Roberto Costa <roberto.costa@st.com>
7949 * tree-vrp.c (extract_range_from_cond_expr): New.
7950 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
7951 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
7953 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
7954 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
7955 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
7956 used as expressions.
7957 * tree-object-size.c (cond_expr_object_size): New.
7958 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
7960 2007-01-08 Jan Hubicka <jh@suse.cz>
7962 * tree-ssa-forwprop.c (forward_propagate_into_cond,
7963 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
7966 2007-01-08 Richard Guenther <rguenther@suse.de>
7968 PR tree-optimization/23603
7969 * tree-vrp.c (set_value_range_to_truthvalue): New function.
7970 (extract_range_from_binary): Fall back to truthvalue instead of
7971 varying for TRUTH_*_EXPR.
7972 (extract_range_from_comparison): Fall back to truthvalue instead of
7974 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
7975 if all visited PHI values were constant.
7977 2007-01-08 Jan Hubicka <jh@suse.cz>
7979 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
7980 (cgraph_analyze_function): break out from ...
7981 (cgraph_finalize_compilation_unit): ... here.
7982 (cgraph_expand_function): Remove forgoten commented out line.
7983 (cgraph_optimize): Analyze functions.
7985 2007-01-08 Jan Hubicka <jh@suse.cz>
7987 * tree-pas.h (TODO_remove_function): New flag.
7988 (TODO_update*): Renumber.
7989 (pass_ipa_increase_alignment,
7990 pass_ipa_function_and_variable_visibility): New passes.
7991 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
7992 (cgraph_function_and_variable_visibility): Move to ipa.c
7993 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
7994 cgraph_increase_alignment.
7995 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
7996 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
7997 calling tree-inline.
7998 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
7999 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
8000 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
8001 (gate_increase_alignment): New function.
8002 (pass_ipa_increase_alignment): New pass.
8003 * ipa.c: Inline tree-pass.h and timevar.h
8004 (function_and_variable_visibility): Move here from cgraphunit.c
8005 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
8006 * passes.c (init_optimization_passes): Add the two new passes.
8007 (execute_todo): Handle cgraph_remove_functions.
8009 2007-01-08 Nick Clifton <nickc@redhat.com>
8011 * config/frv/predicates.md (reg_or_0_operand): Accept
8014 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
8016 * config/bfin/rtems.h, config/bfin/t-rtems: New.
8017 * config.gcc: Add bfin*-rtems*.
8019 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
8021 * c.opt: Add -flax-vector-conversions.
8022 * c-typeck.c (convert_for_assignment): Pass flag to
8023 vector_types_convertible_p to allow emission of note.
8024 (digest_init): Likewise.
8025 * c-opts.c: Handle -flax-vector-conversions.
8026 * c-common.c (flag_lax_vector_conversions): New.
8027 (vector_types_convertible_p): Unless -flax-vector conversions
8028 has been passed, disallow conversions between vectors with
8029 differing numbers of subparts and/or element types. If such
8030 a conversion is disallowed, possibly emit a note on the first
8031 occasion only to inform the user of -flax-vector-conversions.
8032 The new last argument specifies this.
8033 * c-common.h (flag_lax_vector_conversions): New.
8034 (vector_types_convertible_p): Add extra argument.
8035 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
8036 char_type_node for V*QI type vectors.
8037 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
8038 Update to satisfy new typechecking rules.
8039 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
8041 * doc/invoke.texi (C Dialect Options): Document
8042 -flax-vector-conversions.
8044 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
8046 PR tree-optimization/29877
8047 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
8048 a register variable on the RHS to not be replaceable.
8050 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
8051 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
8052 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
8053 const_simm15, const_pow2, const_npow2): Added.
8054 * config/score/misc.md (insv, extv, extzv, movmemsi,
8055 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
8056 * config/score/score.c (score_address_cost, score_select_cc_mode):
8058 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
8059 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
8060 Update score_print_operand.
8061 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
8062 Adjust register allocate order and update some macro define.
8063 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
8064 mdx_block_move_straight, mdx_block_move_loop_head,
8065 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
8066 mdx_block_move): Added.
8067 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
8068 mdp_limm): Updated and fix some bug and typo.
8069 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
8070 (movsf, movdf, doloop_end): Added.
8072 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
8074 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
8075 config/arm/thumb2.md: Fix comment typos.
8076 * doc/extend.texi: Fix a typo.
8078 2007-01-07 Eric Christopher <echristo@apple.com>
8080 * configure.ac: Check for __stack_chk_fail for darwin.
8081 * configure: Regenerate.
8083 2007-01-07 Richard Guenther <rguenther@suse.de>
8085 * tree-vrp.c (extract_range_from_assert): CSE calls to
8086 compare_values where possible.
8087 (extract_range_from_unary_expr): Likewise.
8089 2007-01-07 Anatoly Sokolov <aesok@post.ru>
8091 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
8092 * config/avr/avr.c (call_insn_operand): Delete function.
8093 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
8094 instead of register number. Use predicates.
8095 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
8096 call_insn_operand): Add.
8098 2007-01-06 Jan Hubicka <jh@suse.cz>
8100 * tree-pass.h (pass_build_cgraph_edges): Declare.
8101 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
8102 (visited_nodes): Remove.
8103 (cgraph_create_edges): Move to cgraphbuild.c; rename to
8104 build_cgrpah_edges; make visited_nodes local.
8105 (cgraph_process_new_functions): DO not call initialize_inline_failed.
8106 (record_references_in_initializer): Move to cgraphbuild.c
8107 (initialize_inline_failed, rebuild_cgraph_edges,
8108 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
8109 (verify_cgraph_node): Make visited_nodes local.
8110 (cgraph_analyze_function): Do not call cgraph_create_edges and
8111 initialize_inline_failed.
8112 (cgraph_expand_function): Do not call cgraph_lower_function;
8113 assert that function is already lowered.
8114 * Makefile.in (cgraphbuild.o): New.
8115 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
8116 at the end of lowering passes.
8118 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
8120 * ifcvt.c (cond_move_convert_if_block): New function, code
8121 factored out from...
8122 (cond_move_process_if_block): ...here. Call the new function
8123 on the THEN and ELSE blocks.
8124 (merge_if_block): Do not copy global_live_at_end, merge_blocks
8125 already takes care of this.
8127 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8130 * tree.h (TREE_OVERFLOW_P): New.
8131 * c-typeck.c (parser_build_unary_op): Warn only if result
8132 overflowed and operands did not.
8133 (parser_build_binary_op): Likewise.
8134 (convert_for_assignment): Remove redundant overflow_warning.
8135 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
8137 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8139 * c-typeck.c (store_init_value): Split over two lines to follow
8140 the GNU coding style.
8142 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
8144 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
8145 __GXX_EXPERIMENTAL_CXX0X__.
8146 * doc/cpp.texi: Same.
8148 2007-01-05 Richard Guenther <rguenther@suse.de>
8151 * tree.c (get_narrower): Do not construct COMPONENT_REFs
8152 with mismatched types. Instead explicitly build a
8153 conversion NOP_EXPR.
8155 2007-01-05 Ian Lance Taylor <iant@google.com>
8157 * c-common.c (decl_with_nonnull_addr_p): New function.
8158 (c_common_truthvalue_conversion): Call it.
8159 * c-typeck.c (build_binary_op): Likewise.
8160 * c-common.h (decl_with_nonnull_addr_p): Declare.
8162 2007-01-05 Jakub Jelinek <jakub@redhat.com>
8165 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
8168 2007-01-05 Joel Brobecker <brobecker@adacore.com>
8170 * doc/install.texi (Final install): Document the fact that
8171 the GNAT runtime should not be stripped.
8173 2007-01-04 Jan Hubicka <jh@suse.cz>
8175 * tree-inline.c (fold_marked_statements): Update operand caches
8176 and EH after folding
8178 2007-01-04 Ian Lance Taylor <iant@google.com>
8180 * c-common.c (check_function_nonnull): Whitespace fix.
8182 2007-01-04 Jan Hubicka <jh@suse.cz>
8184 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
8185 comitted older version of patch.
8186 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
8187 function, celanup cfg and collect garbage.
8189 2007-01-04 Mike Stump <mrs@apple.com>
8191 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
8194 2007-01-04 Eric Christopher <echristo@apple.com>
8196 * libgcc2.c (__bswapsi2): Use SItype.
8197 (__bswapdi2): Use DItype.
8198 * libgcc2.h: Update for above.
8200 2007-01-04 Paul Brook <paul@codesourcery.com>
8202 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
8203 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
8204 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
8205 umulsidi3, umulsidi3adddi, smulsi3_highpart,
8206 umulsi3_highpart): Make conditional on !arm_arch6.
8207 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
8208 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
8209 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
8210 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
8211 umulsi3_highpart_v6): New insns.
8213 2007-01-04 Roger Sayle <roger@eyesopen.com>
8215 * fold-const.c (fold_convert): When casting an expression to void,
8216 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
8217 have a type. Instead of attempting to build a NOP_EXPR, return
8218 these "special" trees directly.
8220 2007-01-04 Joseph Myers <joseph@codesourcery.com>
8222 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
8223 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
8224 rs6000_cost->fp not 0 as adjustment for outer NEG.
8226 2007-01-04 Jan Hubicka <jh@suse.cz>
8228 * cgraph.c (cgraph_release_function_body): New function.
8229 (cgraph_remove_node): Use it.
8230 * cgraph.h (cgraph_release_function_body): Declare.
8231 * cgraphunit.c (cgraph_expand_function): Use it.
8232 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
8233 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
8234 is initialized and while compilation of other function is running.
8235 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
8236 statement CFG annotations from here to ...
8237 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
8239 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
8241 * cfgloop.h (enum li_flags): Make the constants powers of two.
8243 2007-01-04 Jan Hubicka <jh@suse.cz>
8245 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
8247 (fold_marked_statements): New function.
8248 (optimize_inline_calls, tree_function_versioning): Fold new statements.
8249 * tree-inline.h (copy_body_data): Add statements_to_fold.
8251 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
8253 * config.gcc: Mention libgcc/config.host.
8254 * Makefile.in: Update comments mentioning libgcc.
8255 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
8256 (all.cross, start.encap, rest.encap, rest.cross): Update
8257 dependencies for libgcc move.
8258 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
8259 (clean-target, clean-target-libgcc): Delete.
8260 (srcdirify, GCC_EXTRA_PARTS): New macros.
8261 (libgcc-support, libgcc.mvars): New rules.
8262 (distclean): Remove mention of mklibgcc.
8263 (install): Don't reference INSTALL_LIBGCC.
8264 (install-common): Don't reference EXTRA_PARTS.
8265 (install-libgcc, install-multilib): Delete rules.
8266 * mklibgcc.in: Delete file.
8267 * doc/configfiles.texi: Don't mention mklibgcc.
8269 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
8270 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
8271 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
8272 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
8273 (mklibgcc, ldblspecs): Likewise.
8275 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
8276 (posixpre.def): Use $(T).
8277 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
8278 (SHLIB_SRC, SHLIB_INSTALL): Delete.
8279 (SHLIB_LINK): Make dummy.
8280 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
8282 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
8284 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
8285 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
8286 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
8287 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
8289 * configure.ac (all_outputs): Remove mklibgcc.
8290 * configure: Regenerated.
8292 2007-01-03 Josh Conner <jconner@apple.com>
8295 * calls.c (compute_argument_addresses): Set stack and stack_slot
8296 for partial args, too.
8297 (store_one_arg): Use locate.size.constant for the size when
8298 generating a save_area.
8300 2007-01-03 Robert Kennedy <jimbob@google.com>
8302 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
8303 whose definitions are deleted due to basic block merging.
8305 2007-01-03 Paul Brook <paul@codesourcery.com>
8308 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
8310 (use_return_insn): Return 0 for Thumb interrupt functions.
8311 (print_multi_reg): Add rfe argument for IRQ returns.
8312 (arm_output_epilogue): Pop interrupt return address directly into PC.
8313 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
8315 2007-01-03 Paul Brook <paul@codesourcery.com>
8317 Merge from sourcerygxx-4_1.
8318 * config/arm/thumb2.md: New file.
8319 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
8321 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
8322 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
8323 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
8324 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
8326 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
8327 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
8329 * config/arm/ieee754-sf.S: Ditto.
8330 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
8331 (thumb1_base_register_rtx_p): ... to this.
8332 (thumb_index_register_rtx_p): Rename...
8333 (thumb1_index_register_rtx_p): ... to this.
8334 (thumb_output_function_prologue): Rename...
8335 (thumb1_output_function_prologue): ... to this.
8336 (thumb_legitimate_address_p): Rename...
8337 (thumb1_legitimate_address_p): ... to this.
8338 (thumb_rtx_costs): Rename...
8339 (thumb1_rtx_costs): ... to this.
8340 (thumb_compute_save_reg_mask): Rename...
8341 (thumb1_compute_save_reg_mask): ... to this.
8342 (thumb_final_prescan_insn): Rename...
8343 (thumb1_final_prescan_insn): ... to this.
8344 (thumb_expand_epilogue): Rename...
8345 (thumb1_expand_epilogue): ... to this.
8346 (arm_unwind_emit_stm): Rename...
8347 (arm_unwind_emit_sequence): ... to this.
8348 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
8349 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
8350 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
8351 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
8352 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
8353 thumb2_output_casesi): New functions.
8354 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
8355 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
8356 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
8357 THUMB2_WORK_REGS): Define.
8358 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
8359 arm_condexec_mask, arm_condexec_masklen)): New variables.
8360 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
8361 (arm_override_options): Check new CPU capabilities.
8362 Set new architecture flag variables.
8363 (arm_isr_value): Handle v7m interrupt functions.
8364 (user_return_insn): Return 0 for v7m interrupt functions. Handle
8366 (const_ok_for_arm): Handle Thumb-2 constants.
8367 (arm_gen_constant): Ditto. Use movw when available.
8368 (arm_function_ok_for_sibcall): Return false for v7m interrupt
8370 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
8371 (thumb_find_work_register, arm_load_pic_register,
8372 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
8373 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
8374 print_multi_reg, output_mov_long_double_fpa_from_arm,
8375 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
8376 output_mov_double_fpa_from_arm, output_move_double,
8377 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
8378 output_return_instruction, arm_output_function_prologue,
8379 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
8380 arm_output_mi_thunk, thumb_set_return_address): Ditto.
8381 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
8382 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
8383 (arithmetic_instr, shift_op): Use arm_shift_nmem.
8384 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
8386 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
8387 (thumb_expand_prologue): Use thumb_set_frame_pointer.
8388 (arm_file_start): Output directive for unified syntax.
8389 (arm_unwind_emit_set): Handle stack alignment instruction.
8390 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
8391 Add v6t2, v7, v7a, v7r and v7m.
8392 (RETLDM): Add Thumb-2 code.
8393 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
8394 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
8395 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
8396 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
8397 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
8398 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
8399 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
8400 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
8401 ADJUST_INSN_LENGTH): Define.
8402 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
8403 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
8404 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
8405 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
8406 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
8407 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
8408 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
8409 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
8410 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
8411 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
8412 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
8413 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
8414 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
8415 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
8416 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
8417 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
8418 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
8420 * config/arm/arm-tune.md: Regenerate.
8421 * config/arm/arm-protos.h: Update prototypes.
8422 * config/arm/vfp.md: Enable patterns for Thumb-2.
8423 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
8424 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
8425 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
8426 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
8427 * config/arm/libunwind.S: Add Thumb-2 code.
8428 * config/arm/constraints.md: Update include Thumb-2.
8429 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
8430 * config/arm/ieee754-df.S: Ditto.
8431 * config/arm/bpabi.S: Ditto.
8432 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
8433 * config/arm/predicates.md (low_register_operand,
8434 low_reg_or_int_operand, thumb_16bit_operator): New.
8435 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
8436 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
8437 * config/arm/t-arm-elf: Add armv7 multilib.
8438 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
8440 (UNSPEC_STACK_ALIGN, ce_count): New.
8441 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
8442 arm_zero_extendsidi2, arm_zero_extendqidi2): New
8444 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
8445 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
8446 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
8447 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
8448 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
8449 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
8451 * doc/extend.texi: Document ARMv7-M interrupt functions.
8452 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
8454 2007-01-03 Jakub Jelinek <jakub@redhat.com>
8456 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
8457 (struct _Unwind_Context): Rename args_size to flags, remove
8458 signal_frame field, add a new args_size field and version field.
8459 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
8460 _Unwind_IsExtendedContext): New inline functions.
8461 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8462 Assume by_value array is only present if _Unwind_IsExtendedContext.
8463 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
8464 _Unwind_IsSignalFrame.
8465 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
8466 (uw_update_context_1): Use _Unwind_SetSignalFrame.
8467 (uw_init_context_1): Initialize context->flags to
8468 EXTENDED_CONTEXT_BIT.
8469 * config/rs6000/linux-unwind.h (frob_update_context): Use
8470 _Unwind_SetSignalFrame.
8472 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
8475 * gimplify.c (gimplify_modify_expr_complex_part): Move below
8476 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
8479 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
8481 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
8482 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
8483 RET, AT_SP): Remove.
8484 * config/i386/i386.md (*sse_prologue_save_insn): Use return
8487 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8488 * cfgbuild.c (find_basic_blocks): Likewise.
8489 * cfgrtl.c (rtl_create_basic_block): Likewise.
8490 * function.c (temp_slots_at_level): Likewise.
8491 * reg-stack.c (stack_regs_mentioned): Likewise.
8492 * regclass.c (allocate_reg_info): Likewise.
8493 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8494 set_bb_for_stmt, move_block_to_fn): Likewise.
8495 * tree-complex.c (tree_lower_complex): Likewise.
8496 * vec.h (VEC_safe_grow_cleared): New.
8498 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
8500 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
8502 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
8503 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
8505 * cfgloopmanip.c (scale_loop_frequencies): Export.
8506 (loopify): Scale the frequencies by prescribed coefficients.
8507 (set_zero_probability): New function.
8508 (duplicate_loop_to_header_edge): Improve updating of frequencies.
8509 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
8510 and frequencies according to arguments.
8511 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
8513 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
8514 * modulo-sched.c (sms_schedule): Set probabilities for entering
8515 versioned loop correctly.
8516 * tree-vect-transform.c (vect_transform_loop): Ditto.
8517 * cfgloop.h (loopify, loop_version): Declaration changed.
8518 (scale_loop_frequencies): Declared.
8520 2007-01-02 Jan Hubicka <jh@suse.cz>
8522 * cgraph.c: Include tree-flow.h
8523 (cgraph_add_new-function): Handle IPA_SSA mode; execute
8525 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
8526 * tree-pass.h (pass_all_early_optimizations): Declare.
8527 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
8529 (cgraph_analyze_function): Do early_local_passes.
8530 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
8531 Do not add referenced vars.
8532 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
8534 (gate_all_early_local_passes): New gate.
8535 (pass_early_local_passes): Use new gate.
8536 (execute_early_local_optimizations): New functions.
8537 (gate_all_early_optimizations): New gate.
8538 (pass_all_early_optimizations): New pass.
8539 (execute_free_datastructures): Free SSA only when initialized.
8540 (gate_init_datastructures): Init only when optimizing.
8541 (tree_lowering_passes): Do early local passes when called late.
8542 * tree-profile.c (do_tree_profiling): Don't profile functions added
8544 (do_early_tree_profiling, pass_early_tree_profile): Kill.
8545 * tree-cfg.c (update_modified_stmts): Do not update when operands are
8547 * passes.c (init_optimizations_passes): Reorder so we go into SSA
8548 during early_local_passes.
8549 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
8552 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
8554 * Makefile.in: Update copyright year.
8556 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
8558 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
8559 in $(lang_checks) and check-consistency targets.
8561 2007-01-02 Jan Hubicka <jh@suse.cz>
8563 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
8564 Do not add referenced vars.
8565 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
8567 * passes.c (init_optimization_passes): Put mudflap_2 after
8568 free_datastructures.
8570 2007-01-02 Jan Hubicka <jh@suse.cz>
8572 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
8573 Set NOTHROW flag on call statements proved to be nothrow.
8574 Update statement of local calls so new pure/const functions are
8575 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
8577 (tree_rest_of_compilation): Register hooks and initialize bitmap
8578 early. Do not set after_inlining flag.
8580 2007-01-02 Steve Ellcey <sje@cup.hp.com>
8582 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
8583 HOST_BITS_PER_LONGLONG
8585 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8588 * c-typeck.c (store_init_value): Don't emit pedantic overflow
8589 warning for non-static initializers.
8591 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
8593 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
8594 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
8595 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
8596 Always use set_unique_reg_note to add REG_EQUAL notes.
8598 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
8601 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
8603 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8604 * cfgbuild.c (find_basic_blocks): Likewise.
8605 * cfgrtl.c (rtl_create_basic_block): Likewise.
8606 * function.c (temp_slots_at_level): Likewise.
8607 * reg-stack.c (stack_regs_mentioned): Likewise.
8608 * regclass.c (allocate_reg_info): Likewise.
8609 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8610 set_bb_for_stmt, move_block_to_fn): Likewise.
8611 * tree-complex.c (tree_lower_complex): Likewise.
8612 * vec.h (VEC_safe_grow_cleared): New.
8614 2007-01-02 Ian Lance Taylor <iant@google.com>
8616 * c-common.c (c_common_truthvalue_conversion): When warning about
8617 using an assignment as a truth value, set TREE_NO_WARNING.
8619 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8622 * c.opt (Wold-style-declaration): New.
8623 * doc/invoke.texi (C-only Warning Options): New.
8624 (Wold-style-declaration): Document it.
8625 (Wextra): Enabled by -Wextra.
8626 * c-opts.c (c_common_post_options): Enabled by -Wextra.
8627 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
8628 -Wold-style-declaration.
8630 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
8632 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8633 * cfgbuild.c (find_basic_blocks): Likewise.
8634 * cfgrtl.c (rtl_create_basic_block): Likewise.
8635 * function.c (temp_slots_at_level): Likewise.
8636 * reg-stack.c (stack_regs_mentioned): Likewise.
8637 * regclass.c (allocate_reg_info): Likewise.
8638 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8639 set_bb_for_stmt, move_block_to_fn): Likewise.
8640 * tree-complex.c (tree_lower_complex): Likewise.
8641 * vec.h (VEC_safe_grow_cleared): New.
8643 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
8645 * c-common.c (c_common_nodes_and_builtins): Since variants of
8646 void_type_node get built before it is given a name, we need to
8647 give those variants the name, too.
8648 (complete_array_type): We need to work with the canonical main
8649 type of the array, from which we will build the qualified version.
8650 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
8651 * print-tree.c (print_node): Display canonical type information
8653 * stor-layout.c (layout_type): When we don't know the
8654 alignment of a type for which we're building an array, we end up
8655 guessing wrong, so make the type require structural equality.
8656 * tree.c (make_node_stat): When we build a new type, it is its
8658 (build_type_attribute_qual_variant): When building an attribute
8659 variant, its canonical type is the non-attribute variant. However,
8660 if the attributes are target-dependent and they differ, we need to
8661 use structural equality checks for this type.
8662 (build_qualified_type): A qualified type is not equivalent to its
8663 unqualified variant; set the canonical type appropriately.
8664 (build_distinct_type_copy): When building a distinct type from
8665 another type, the new type is its own canonical type.
8666 (build_variant_type_copy): When building a new type variant, we
8667 assume that it is equivalent to the original type.
8668 (build_pointer_type_for_mode): When building a pointer type, also
8669 build a canonical type pointer.
8670 (build_reference_type_for_mode): When building a reference type,
8671 also build a canonical type reference.
8672 (build_index_type): When we can't hash an index type (e.g.,
8673 because its maximum value is negative), the index type requires
8674 structural equality tests.
8675 (build_array_type): Build the canonical form of an array type.
8676 (build_function_type): Function types require structural equality,
8677 because they contain default arguments, attributes, etc.
8678 (build_method_type_directly): Ditto for method types.
8679 (build_offset_type): Build the canonical offset type.
8680 (build_complex_type): Build the canonical vector type.
8681 (make_vector_type): Build the canonical vector type.
8682 * tree.h (TYPE_CANONICAL): New.
8683 (TYPE_STRUCTURAL_EQUALITY_P): New.
8684 (SET_TYPE_STRUCTURAL_EQUALITY): New.
8685 (struct tree_type): Added "canonical" field.
8686 * params.h (VERIFY_CANONICAL_TYPES): New.
8687 * doc/c-tree.texi (TYPE_CANONICAL): Document.
8688 (TYPE_STRUCTURAL_EQUALITY_P): Document.
8689 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
8690 * doc/invoke.texi (verify-canonical-types): Document --param
8691 parameter for verifying canonical types.
8693 2007-01-02 Joseph Myers <joseph@codesourcery.com>
8695 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
8696 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
8697 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
8698 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
8700 * config/rs6000/e500.h: New.
8701 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
8702 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
8704 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
8705 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
8706 TARGET_E500_DOUBLE): Remove.
8707 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
8708 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
8709 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
8710 * config/rs6000/rs6000.c (rs6000_override_options): Use
8713 2007-01-02 Joseph Myers <joseph@codesourcery.com>
8715 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
8716 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
8717 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
8718 rs6000_emit_cmove): Don't check TARGET_E500.
8719 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
8720 sordered): Don't check TARGET_E500.
8722 2007-01-01 Eric Christopher <echristo@apple.com>
8724 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
8725 HARD_REGISTER_NUM_P.
8727 2007-01-01 Roger Sayle <roger@eyesopen.com>
8729 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
8730 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
8731 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
8734 2007-01-01 Mike Stump <mrs@apple.com>
8736 * configure.ac: Remove support for building with Apple's gcc-3.1.
8738 2007-01-02 Joseph Myers <joseph@codesourcery.com>
8741 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
8742 REG is a hard register. Do not modify REG before calling
8744 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
8745 multiple of the size of YMODE for certain lowpart cases.
8747 2007-01-01 Andrew Pinski <pinskia@gmail.com>
8750 * gimplify (voidify_wrapper_expr): Update for
8753 2007-01-01 Andreas Schwab <schwab@suse.de>
8756 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
8757 save of BR0 in extra_spill_size instead of spill_size.
8758 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
8760 (ia64_expand_epilogue): Restore BR0 from its new location.
8762 2007-01-01 Andrew Pinski <pinskia@gmail.com>
8764 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
8765 Use a temporary variable if the left hand side is not a gimple
8768 2007-01-01 Andrew Pinski <pinskia@gmail.com>
8770 * gimplify.c (gimplify_return_expr): Make the temporary variable
8771 for the return expression, a gimple register variable.
8773 2007-01-01 Jan Hubicka <jh@suse.cz>
8775 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
8778 2007-01-01 Mike Stump <mrs@apple.com>
8780 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
8782 * config/darwin.c (machopic_select_rtx_section): Use
8784 (darwin_mergeable_constant_section): Likewise.
8785 * configure: Regenerate.
8786 * config.in: Regenerate.
8788 2007-01-01 Jan Hubicka <jh@suse.cz>
8789 Andrew Pinski <pinskia@gmail.com>
8791 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
8792 before starting IPA passes.