1 2007-03-20 Jakub Jelinek <jakub@redhat.com>
4 * c-typeck.c (convert_for_assignment): Call comptypes for
5 RECORD_TYPE or UNION_TYPE.
8 * reload1.c (reload): Do invalid ASM checking after
9 cleanup_subreg_operands.
11 2007-03-19 Jeff Law <law@redhat.com>
13 * tree-cfg.c (find_taken_edge): Tighten conditions for
14 optimizing computed gotos.
16 2007-03-19 Michael Matz <matz@suse.de>
18 * builtins.c (expand_builtin_sync_operation,
19 expand_builtin_compare_and_swap,
20 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
23 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
24 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
27 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
29 * doc/tm.texi: Add brackets around the return type of
30 TARGET_SECONDARY_RELOAD.
32 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
33 Richard Guenther <rguenther@suse.de>
35 PR tree-optimization/31254
36 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
37 Use handled_component_p () where appropriate. Continue
38 propagating into the rhs if we propagated into an INDIRECT_REF
41 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
43 * config/s390/s390.md (op_type attribute): RRR instruction type added.
44 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
45 (xde, xdee): Mode attributes adjusted to support DFP modes.
46 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
47 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
48 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
49 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
50 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
51 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
52 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
54 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
55 "movsf"): Insn definitions removed.
56 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
57 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
58 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
60 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
61 "reload_in<mode>", "reload_out<mode>"): Expander added.
62 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
65 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
67 * config/s390/s390.md: Only non-functional changes. Renamed
68 FPR mode macro to BFP all over the file.
70 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
72 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
73 (op_type attribute): RRF instruction type added.
74 (fT0): New mode attribute.
75 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
76 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
77 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
78 no secondary memory is needed when moving DFmode values between GPRs
81 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
83 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
84 inverted and documentation adjusted.
85 ("mhard-dfp", "msoft-dfp"): New options.
86 * config/s390/s390.c (s390_handle_arch_option): New architecture
88 (override_options): Sanity checks for the new options added.
89 * config.gcc: New architecture switch: z9-ec.
90 * config/s390/s390.h (processor_flags): PF_DFP added.
91 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
92 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
93 when the bit is NOT set so remove it from the defaults.
95 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
97 * genemit.c (main): Print include statement for dfp.h.
98 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
101 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
103 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
105 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
108 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
111 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
113 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
114 attr_length_call, output_call, output_indirect_call): Cleanup
115 formatting of targetm calls.
117 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
119 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
121 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
123 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
124 reservation, bypass and anti-bypass descriptions for these instructions.
125 Update move patterns.
126 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
129 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
131 * tree-vect-transform.c (get_initial_def_for_induction): Replace
132 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
133 (get_initial_def_for_reduction): Likewise.
135 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
137 Fix PR tree-optimization/29922
138 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
139 (get_representative): Removed.
140 (value_dies_in_block_x): Update for rvuse removal.
141 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
142 (compute_antic_aux): Handle when PHI nodes appear in
143 non-single-successors.
144 (dump_bitmap_of_names): Removed.
145 (compute_antic_safe): Renamed and removed rvuse calculation.
146 Calculate only antic safe.
147 (insert_into_preds_of_block): Remove assert.
148 (execute_pre): Update for renamed functions.
149 (defer_or_phi_translate_block): New function.
151 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
153 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
154 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
156 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
157 Follow spelling conventions.
159 * tree-data-ref.h: Remove the prototype for analyze_array.
161 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
163 PR tree-optimization/31041
164 * tree-vect-transform.c (get_initial_def_for_induction): Call
165 force_gimple_operand.
167 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
169 * ipa-type-escape.c (look_for_casts) : Revert code to use
170 handled_component_p due to ada test a-numaux.adb.
172 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
174 * final.c (final_scan_insn): Alter the condition of a
175 conditional trap if we have nonstandard CC.
177 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
179 * configure.ac: Remove excess quoting from asm line 0 test.
180 * configure: Rebuilt.
182 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
184 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
185 * c-common.c (convert_and_check): Move warning logic to...
186 (warnings_for_convert_and_check): ...here. Define.
187 * c-common.h (warnings_for_convert_and_check): Declare.
189 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
191 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
192 (output_call): Likewise.
194 2007-03-16 Richard Sandiford <richard@codesourcery.com>
196 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
198 2007-03-16 Richard Sandiford <richard@codesourcery.com>
200 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
202 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
204 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
205 opteron, athlon-64 and athlon-fx processor_alias_table entries.
207 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
209 PR tree-optimization/31183
210 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
211 Use double_int instead of unsigned int for representing access_strides.
212 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
214 2007-03-16 Richard Guenther <rguenther@suse.de>
216 PR tree-optimization/31146
217 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
218 to allow recursion of forward_propagate_addr_expr.
219 (forward_propagate_addr_into_variable_array_index): Likewise.
220 (forward_propagate_addr_expr): Likewise.
221 (tree_ssa_forward_propagate_single_use_vars): Likewise.
222 (forward_propagate_addr_expr_1): Recurse on simple copies
223 instead of propagating into them. Do so for useless conversions
225 (forward_propagate_addr_expr): Clean up unused statements after
228 2007-03-16 Richard Guenther <rguenther@suse.de>
230 * builtins.c (expand_builtin_cexpi): Use the right argument
231 for the expansion via cexp.
233 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
235 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
236 * configure: Rebuilt.
238 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
241 * dwarf2out.c (force_type_die): Adjust comment.
242 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
244 2007-03-15 DJ Delorie <dj@redhat.com>
246 * config/frv/predicates.md (minmax_operator): Don't check operands
249 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
251 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
252 Update constant estimates of number of iterations.
253 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
254 argument renamed to "realistic".
255 (compute_estimated_nb_iterations): Removed.
256 (record_niter_bound): New function.
257 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
258 call record_nonwrapping_iv with upper = false.
259 (infer_loop_bounds_from_signedness): Pass upper argument to
260 record_nonwrapping_iv.
261 (estimate_numbers_of_iterations_loop): Do not call
262 compute_estimated_nb_iterations. Record estimate based on profile
263 information. Initialize the constant estimates of number of
265 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
267 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
268 number of iterations is too small.
269 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
270 (EST_NOT_AVAILABLE): Removed.
271 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
272 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
275 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
277 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
278 Handle NE_EXPR guards.
280 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
283 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
284 Set also -pedantic-errors by default for the preprocessor unless
285 -fpermissive is given.
287 2007-03-15 Richard Guenther <rguenther@suse.de>
291 * builtins.c (expand_builtin_cexpi): As a fallback if we
292 don't have builtins for sincos or cexp create a function
293 declaration for cexp and expand to a call to that.
294 (expand_builtin_int_roundingfn): Always fall
295 back to floor/ceil and its variants even if they may be
298 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
301 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
302 jump tables, move the call to delete_dead_jumptables from here...
303 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
304 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
305 don't allow merging of blocks that try_redirect_by_replacing_jump
306 also does not handle when not optimizing.
308 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
309 Francois-Xavier Coudert <coudert@clipper.ens.fr>
311 * config/i386/i386.md (x86_sahf_1): Correctly handle
314 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
317 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
318 x86_64_general_operand as operand[2] predicate. Remove "iF"
319 from operand constraints and use "e" constraint instead.
320 (*subti3_1, *subti3_1 splitter): Ditto.
321 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
322 operand[1] predicate.
324 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
326 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
327 arrays, multiply the access strides by the size of the sub-array.
328 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
330 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
332 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
333 the configured assembler supports the sahf mnemonic.
334 * configure: Regenerate.
335 * config.in: Regenerate.
337 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
338 emit "sahf" or ".byte\t0x9e" as asm template.
340 2007-03-14 Michael Meissner <michael.meissner@amd.com>
343 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
344 option to replace hard coded TARGET_xxx in md file.
345 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
346 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
347 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
348 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
349 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
350 (X86_TUNE_NOT_VECTORMODE): Ditto.
351 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
352 (TUNE_AVOID_VECTOR_DECODE): Ditto.
353 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
354 (TUNE_SLOW_IMUL_IMM8): Ditto.
355 (TUNE_MOVE_M1_VIA_OR): Ditto.
356 (TUNE_NOT_UNPAIRABLE): Ditto.
357 (TUNE_NOT_VECTORMODE): Ditto.
359 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
362 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
363 tuning options instead of hard coded TARGET_xxx.
364 (fix ssemode peephole2's): Ditto.
365 (imul peephole2's): Ditto.
367 (movdi_or_rex64): Ditto.
368 (move peephole2): Ditto.
369 (not peephole2's): Ditto.
371 2007-03-14 Dirk Mueller <dmueller@suse.de>
373 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
374 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
375 * c-parser.c (c_parser_if_body): Always add an empty statement in case
377 * c-parser.c (c_parser_do_statement): Warn about empty body in
379 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
380 * doc/invoke.texi (-Wempty-body): Update documentation.
382 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
385 * c-common.h (warn_for_div_by_zero): Declare.
386 * c-common.c (warn_for_div_by_zero): Define.
387 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
390 2007-03-14 Richard Sandiford <richard@codesourcery.com>
392 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
393 to PREFIX and STANDARD_PREFIX.
395 2007-03-14 Richard Sandiford <richard@codesourcery.com>
396 Phil Edwards <phil@codesourcery.com>
398 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
399 (__gthread_once_t): Remove busy field for RTPs.
400 (__GTHREAD_ONCE_INIT): Update accordingly.
402 2007-03-14 Richard Sandiford <richard@codesourcery.com>
404 * doc/invoke.texi: Document VxWorks options.
406 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
408 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
410 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
412 PR tree-optimization/30590
413 * tree-nrv.c (tree_nrv): Check for the partial update of the
416 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
418 * flags.h (flag_random_seed): Remove declaration, in favor of...
419 * toplev.h (get_random_seed, set_random_seed): ... these.
420 * tree.c (get_file_function_name): Use the former.
421 * opts.c (common_handle_option): Use the latter.
424 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
427 * cse.c (cse_find_path): Do not bail out if a basic block that
428 we already visited now becomes part of a path that starts at a
429 different basic block. Just disallow this, to make sure we
430 visit each basic block at most once.
432 2007-03-13 Jan Hubicka <jh@suse.cz>
434 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
435 when profile esitmate is present, calls with very low frequency are
438 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
440 PR tree-optimization/30730
441 PR tree-optimization/26900
442 * tree-ssa-loop-niter.c: Include gmp.h.
444 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
445 split_to_var_and_offset, determine_value_range,
446 bound_difference_of_offsetted_base, refine_bounds_using_guard,
447 bound_difference, bounds_add, bounds_negate,
448 number_of_iterations_ne_max, dump_affine_iv): New functions.
449 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
450 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
451 difference of initial and final value of control iv to validate
453 (number_of_iterations_cond): Add loop parameter. Determine bounds
454 on the difference of the extremes of the control iv. Add dumps.
455 (expand_simple_operations): Handle phi nodes.
456 (simplify_using_initial_conditions): Do not record used conditions.
457 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
458 Do not set additional_info.
459 (implies_nonnegative_p, implies_ge_p): Removed.
460 (derive_constant_upper_bound): Do not use parameter `additional'.
461 (record_estimate): Parameter `additional' removed. Parameter
462 `i_bound' added. Do not call derive_constant_upper_bound.
463 (record_nonwrapping_iv): Use derive_constant_upper_bound to
464 bound the number of iterations estimate.
465 (estimate_numbers_of_iterations_loop): Pass the estimate from
466 the number of iterations analysis to record_estimate.
467 * tree.h (multiple_of_p): Declare.
468 * tree-scalar-evolution.c (expression_expensive_p): Removed.
469 (scev_const_prop): Do not check expression_expensive_p.
470 * fold-const.c (multiple_of_p): Exported.
471 * double-int.c (double_int_mask): Exported.
472 * double-int.h (double_int_mask): Declare.
473 * tree-flow.h (struct tree_niter_desc): Removed additional_info
474 field. Added max field.
476 2007-03-13 David Taylor <taylor@candd.org>
479 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
482 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
485 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
488 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
490 * config/i386/i386.opt (mcx16, msahf): New options.
491 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
492 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
494 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
495 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
496 Output -mcx16 and -msahf options when corresponding bit is set.
498 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
501 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
503 * configure.ac: Test for assembler tolerance to # 0 "".
504 * configure, config.in: Rebuilt.
505 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
507 2007-03-13 Geoffrey Keating <geoffk@apple.com>
509 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
511 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
512 (handle_syscall): Handle direct system calls.
513 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
515 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
517 * doc/invoke.texi: Fix cpp.info cross-reference.
518 * doc/passes.texi: Fix gcc.info cross-reference.
520 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
522 PR tree-optimization/30835
523 * lambda-code.c (can_convert_to_perfect_nest): Check whether
524 bb_for_stmt is not NULL before accessing it.
526 2007-03-12 Joseph Myers <joseph@codesourcery.com>
528 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
531 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
534 * doc/install.texi: Document --enable-stage1-languages
536 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
538 * tree-pass.h (pass_into_cfg_layout_mode,
539 pass_outof_cfg_layout_mode): Declare.
540 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
541 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
542 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
543 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
545 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
547 * c-decl.c (warn_variable_length_array): New function.
548 Refactored from grokdeclarator to handle warn_vla
549 and handle unnamed array case.
550 (grokdeclarator): Refactored VLA warning case.
551 * c.opt (Wvla): New flag.
552 * doc/invoke.texi (Wvla): New warning.
554 2007-03-12 Richard Henderson <rth@redhat.com>
556 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
557 (TARGET_SECTION_TYPE_FLAGS): New.
559 2007-03-12 Richard Henderson <rth@redhat.com>
561 * config/darwin.c (machopic_reloc_rw_mask): New.
562 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
563 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
565 2007-03-12 Mark Mitchell <mark@codesourcery.com>
567 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
568 * cppdefault.h (cpp_PREFIX): Document.
569 (cpp_PREFIX_len): Likewise.
570 (cpp_EXEC_PREFIX): New variable.
571 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
572 * c-incpath.c (add_standard_paths): Correct logic for relocating
575 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
577 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
578 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
580 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
581 fix_truncdfdi_sse using SSEMODEF mode macro.
582 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
583 fix_truncdfsi_sse using SSEMODEF mode macro.
584 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
585 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
587 2007-03-12 Richard Sandiford <richard@codesourcery.com>
589 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
592 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
594 * tree.h : Add multiple_of_p declaration.
595 * fold-const.c (multiple_of_p): Make multiple_of_p public.
596 * ipa-type-escape.c (results_of_malloc): Redundant.
597 (visited_stmts): New. Visited stmt for walk_use_def_chains.
598 (cast_type): Extended with new members.
599 (check_cast): Returns cast_type.
600 (cast): New structure for data of walk_use_def_chains.
601 (is_malloc_result, is_cast_from_non_pointer_1,
602 is_cast_from_non_pointer,
603 is_array_access_through_pointer_and_index): New functions.
604 (look_for_casts): Returns cast types.
605 (check_call): Returns void.
606 (okay_pointer_operation): Use support of pointer plus index,
607 pointer plus constant and allow all multiplications.
609 2007-03-11 Richard Guenther <rguenther@suse.de>
611 PR tree-optimization/31115
612 * tree-vrp.c (extract_range_from_binary_expr): Make sure
613 the shift count is positive and non-anti-range for RSHIFT_EXPR.
614 A shift count of zero is not special as with *_DIV_EXPR.
615 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
618 2007-03-11 Ian Lance Taylor <iant@google.com>
620 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
621 the *_DIV_EXPR codes correctly with overflow infinities.
623 2007-03-11 Ira Rosen <irar@il.ibm.com>
625 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
626 indicate success/failure of the analysis. Add negation to subtrahend
627 in case of subtraction. Fail if both operands contain constants.
628 (create_data_ref): Fail if analyze_offset fails.
630 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
632 * config/i386/i386.md (frndintxf2): Rename to ...
633 (rintxf2): ... this. Remove expander having same name.
634 (rintsf2, rintdf2): Implement using SSEMODEF macro.
635 (roundsf2, rounddf2): Ditto.
636 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
637 (lround<mode>di2, lround<mode>si2): Ditto.
639 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
641 * lower-subreg.c: Include except.h.
642 (decompose_multiword_subregs): Verify that the only control flow
643 insns we can split are loads to multi-words pseudos.
644 Handle breaking such blocks after splitting, instead of calling
645 find_many_sub_basic_blocks.
647 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
648 on the new basic block. Add a lengthy comment explaining why we
649 thought this was necessary.
650 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
652 2007-03-10 Mark Mitchell <mark@codesourcery.com>
655 * tree.c (walk_type_fields): Recurse into the element type of
656 ARRAY_TYPEs if there is a pointer set.
658 2007-03-10 Dirk Mueller <dmueller@suse.de>
660 * c-common.c (warn_logical_operator): Fix condition.
662 2007-03-10 Tobias Schlüter <tobi@gcc.gnu.org>
664 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
666 * config/darwin.c (machopic_select_section): Remove superfluous
667 argument in call to categorize_decl_for_section. Remove unused
670 2007-03-10 Joseph Myers <joseph@codesourcery.com>
672 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
674 * configure: Regenerate.
676 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
679 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
680 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
681 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
682 Add LABEL_NUSES to emitted label.
683 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
684 branch probability value to emitted jump insn.
685 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
686 Do not check life information and do not re-arrange input operands
687 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
689 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
691 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
692 the change of decode_asm_operands.
694 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
696 * mode-switching.c (create_pre_exit): Skip blockage insn.
698 2007-03-09 Diego Novillo <dnovillo@redhat.com>
700 * tree-pass.h (TODO_update_smt_usage): Remove.
702 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
706 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
708 * pa.c (attr_length_call): Revise condition for long pc-relative branch.
709 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
710 calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
713 2007-03-09 Geoffrey Keating <geoffk@apple.com>
715 * gcc.c: Document %{, in big comment at top.
716 (input_suffix_matches): Remove special handling for .s and
718 (input_spec_matches): New.
719 (handle_braces): Handle %{,.
720 (validate_switches): ',' indicates a value which is not a switch.
721 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
722 to detect assembler input.
723 * config/i386/sol2.h (CPP_SPEC): Likewise.
724 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
725 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
726 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
727 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
728 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
729 -m64 causes deployment target to default to 10.5.
730 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
732 2007-03-09 Richard Henderson <rth@redhat.com>
735 * target.h (targetm.asm.out.reloc_rw_mask): New.
736 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
737 (TARGET_ASM_OUT): Use it.
738 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
739 * varasm.c (categorize_decl_for_section): Remove shlib argument;
740 use the new reloc_rw_mask target hook instead.
741 (default_section_type_flags_1): Merge into...
742 (default_section_type_flags): ... here.
743 (decl_readonly_section_1): Merge into...
744 (decl_readonly_section): ... here.
745 (default_elf_select_section_1): Merge into...
746 (default_elf_select_section): ... here.
747 (default_unique_section_1): Merge into...
748 (default_unique_section): ... here.
749 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
750 (default_select_rtx_section): Use it.
751 (default_elf_select_rtx_section): Likewise.
752 * output.h: Update to match.
753 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
754 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
755 (TARGET_ASM_RELOC_RW_MASK): New.
756 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
757 to categorize_decl_for_section.
758 (x86_64_elf_unique_section): Likewise.
759 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
760 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
761 (TARGET_ASM_RELOC_RW_MASK): New.
762 * config/ia64/ia64.c (ia64_rwreloc_select_section,
763 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
764 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
765 (TARGET_RWRELOC): Remove.
766 (ia64_section_type_flags): Adjust call to default_section_type_flags.
767 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
768 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
769 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
770 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
771 (rs6000_xcoff_select_section): Use decl_readonly_section.
772 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
773 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
774 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
775 (TARGET_SECTION_TYPE_FLAGS): Remove.
776 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
778 2007-03-09 Roger Sayle <roger@eyesopen.com>
780 * fold-const.c (fold_comparison): Remove compile-time evaluation of
781 complex constant equality/inequality comparisons for here.
782 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
783 known at compile-time or can be simplified to a scalar comparison.
784 (fold_relational_const): Move compile-time evaluation of complex
785 constant equality/inequality comparisons to here.
787 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
789 PR rtl-optimization/30643
790 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
792 (fold_rtx): Recurse, like before 2006-11-03.
794 2007-03-09 DJ Delorie <dj@redhat.com>
796 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
799 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
801 PR tree-optimization/30375
802 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
803 LHS of statements is not the same.
804 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
806 2007-03-09 Chao-ying Fu <fu@mips.com>
808 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
810 * doc/invoke.texi (-mdspr2): Document new option.
811 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
812 New unspec for DSP REV 2.
813 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
814 these instructions are extended in DSP REV 2.
815 (mips-dspr2.md): Include.
816 * config/mips/mips.opt (mdspr2): New option.
817 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
818 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
819 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
820 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
821 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
822 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
823 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
825 (bdesc_map): Add one field of unsupported_target_flags.
826 (bdesc_arrays): Update entries to have extra fields. Add
828 (mips_init_builtins): Initialize new function types.
829 Check unsupported_target_fileds to filter out builtins.
830 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
832 (ASM_SPEC): Pass mdspr2 to the assembler.
833 * config/mips/mips-dspr2.md: New file.
835 2007-03-09 Sa Liu <saliu@de.ibm.com>
837 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
839 2007-03-09 Ian Lance Taylor <iant@google.com>
841 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
842 argument) like -Wstrict-overflow=2.
843 * doc/invoke.texi (Warning Options): Update documentation.
845 2007-03-09 Dirk Mueller <dmueller@suse.de>
848 * doc/invoke.texi (-Wlogical-op): Document.
849 * common.opt (-Wlogical-op): New.
850 * c-common.h (warn_logical_operator): Declare.
851 * c-common.c (warn_logical_operator): Define.
852 * c-typeck.c (parser_build_binary_op): Call
853 warn_logical_operator.
855 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
857 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
858 * final.c (final_scan_insn): Test for non-"" file name.
860 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
862 * doc/loop.texi: Document the Omega linear constraints solver.
863 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
864 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
865 omega-hash-table-size, omega-max-keys, and
866 omega-eliminate-redundant-constraints.
867 * tree-pass.h (pass_check_data_deps): Declared.
870 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
871 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
872 pass_check_data_deps): New.
873 * tree-data-ref.c (init_data_ref): Remove declaration.
874 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
875 (analyze_array): Renamed init_array_ref, move up initializations.
876 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
877 Removed arguments that are set to NULL.
878 (analyze_indirect_ref): Correct indentation, correct call to
880 (object_analysis): Call init_array_ref instead of analyze_array.
881 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
882 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
883 of DR_ACCESS_FNS_ADDR.
884 (init_omega_eq_with_af, omega_extract_distance_vectors,
885 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
886 ddr_consistent_p): New.
887 (compute_affine_dependence): Check consistency of ddrs when
888 flag_check_data_deps is passed.
889 (analyze_all_data_dependences): Uncomment.
890 (tree_check_data_deps): New.
891 * tree-data-ref.h: Include omega.h.
892 (DR_ACCESS_FNS_ADDR): Removed.
893 (data_dependence_relation): Add inner_loop.
894 (DDR_INNER_LOOP): New.
895 * common.opt (fcheck-data-deps): New.
896 * tree-flow.h (tree_check_data_deps): Declare.
897 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
898 (OBJS-common): Depend on omega.o.
900 * passes.c (pass_check_data_deps): Scheduled.
901 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
902 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
903 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
904 PARAM_VECT_MAX_VERSION_CHECKS,
905 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
907 2007-03-09 Richard Guenther <rguenther@suse.de>
909 PR tree-optimization/30904
911 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
912 the same way as *_DIV_EXPR.
914 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
916 * recog.c (decode_asm_operands): No mixed declarations and code.
918 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
920 * rtl.def (ASM_INPUT): Add location.
921 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
922 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
923 (decode_asm_operands): Add loc operand.
924 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
925 * stmt.c (expand_asm): Rename to...
926 (expand_asm_loc): ... this. Add locus argument. Pass it on to
927 gen_rtx_ASM_INPUT_loc.
928 (expand_asm_expr): Adjust.
929 * recog.c (decode_asm_operands): Add loc operand.
930 (check_asm_operands, extract_insn): Adjust.
931 * reload1.c (maybe_fix_stack_asms): Likewise.
932 * final.c (asm_insn_count): Likewise.
933 (final_scan_insn): Output # line before and after asm.
935 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
937 * tree-ssa-structalias.c (variable_info): Remove
939 (new_var_info): Ditto.
940 (shared_bitmap_info_t): New structure.
941 (shared_bitmap_table): New variable.
942 (shared_bitmap_hash): New function.
943 (shared_bitmap_eq): Ditto
944 (shared_bitmap_lookup): Ditto.
945 (shared_bitmap_add): Ditto.
946 (merge_smts_into): Change to take bitmap directly.
947 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
948 (init_alias_vars): Init shared bitmap hashtable.
949 (delete_points_to_sets): Delete shared bitmap hashtable.
950 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
951 is_aliased removal as a change that was still necessary was
954 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
956 * config/i386/i386.h (override_options): Conditionally disable
957 x86_sahf for 64bit targets only.
959 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
962 * c-decl.c (merge_decls): Don't call make_var_volatile.
963 * varasm.c (make_var_volatile): Remove.
964 * output.h (make_var_volatile): Remove.
966 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
968 PR tree-optimization/31085
969 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
971 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
973 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
974 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
975 ATTR_CONST_NOTHROW_LIST.
977 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
980 2007-03-08 Diego Novillo <dnovillo@redhat.com>
982 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
984 2007-03-08 Geoffrey Keating <geoffk@apple.com>
987 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
989 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
990 passed, use shared libgcc.
992 2007-03-08 Roger Sayle <roger@eyesopen.com>
994 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
995 instead of calling build2 with a GIMPLE_MODIFY_STMT.
996 (honor_protect_cleanup_actions, lower_try_finally_switch):
998 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
999 ifc_temp_var): Likewise.
1000 * tree-inline.c (setup_one_parameter): Likewise.
1001 * tree-mudflap.c (mf_decl_cache_locals,
1002 mf_build_check_statement_for): Likewise.
1003 * tree-nested.c (init_tmp_var, save_tmp_var,
1004 finalize_nesting_tree_1): Likewise.
1005 * tree-outof-ssa.c (insert_copy_on_edge,
1006 insert_backedge_copies): Likewise.
1007 * tree-profile.c (tree_gen_edge_profiler,
1008 tree_gen_ic_profiler): Likewise.
1009 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1010 * tree-sra.c (sra_build_assignment): Likewise.
1011 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
1012 * tree-ssa-math-opts.c (insert_reciprocals,
1013 execute_cse_sincos_1): Likewise.
1014 * tree-tailcall.c (adjust_accumulator_values,
1015 adjust_return_value): Likewise.
1016 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
1017 * tree-vect-transform.c (vect_create_data_ref_ptr,
1018 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
1019 vect_create_epilog_for_reduction, vectorizable_reduction,
1020 vectorizable_call, vectorizable_conversion,
1021 vectorizable_assignment, vectorizable_operation,
1022 vectorizable_type_demotion, vect_gen_widened_results_half,
1023 vect_permute_store_chain, vectorizable_store,
1024 vect_setup_realignment, vect_permute_load_chain,
1025 vectorizable_load, vectorizable_condition,
1026 vect_create_cond_for_align_checks): Likewise.
1027 * tree-vrp.c (build_assert_expr_for): Likewise.
1029 2007-03-08 Ian Lance Taylor <iant@google.com>
1031 * tree-vrp.c: Include "intl.h".
1032 (usable_range_p): New static function.
1033 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
1034 overflowed values, juts set *strict_overflow_p.
1035 (compare_values): Only return -2 if one of the operands is not a
1037 (compare_ranges): Call usable_range_p.
1038 (compare_range_with_value): Likewise.
1039 (vrp_evaluate_conditional_warnv): Rename from
1040 vrp_evaluate_conditional. Make static. Change all callers.
1041 (vrp_evaluate_conditional): New function.
1042 (simplify_div_or_mod_using_ranges): Issue warning about reliance
1044 (simplify_abs_using_ranges): Likewise.
1045 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
1046 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
1047 within_stmt parameter.
1048 * tree-ssa-propagate.c (fold_predicate_in): Update call to
1049 vrp_evaluate_conditional.
1050 * tree-ssa-threadedge.c
1051 (record_temporary_equivalences_from_stmts_at_dest): Change
1052 simplify parameter to take a second tree parameter.
1053 (simplify_control_stmt_condition): Likewise.
1054 (thread_across_edge): Likewise.
1055 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1056 (thread_across_edge): Likewise.
1057 * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
1059 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
1061 * config/i386/i386.h (TARGET_SAHF): New define.
1062 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
1063 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
1064 (x86_sahf): New global variable.
1065 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
1066 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
1067 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
1068 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
1070 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
1071 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
1072 when expanding fcomi/sahf based tests.
1073 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
1074 expanding sahf based alternative. Emit sahf based sequence when
1075 optimizing for code size.
1076 * config/i386/i386.md (x86_sahf_1): Do not disable for
1077 TARGET_64BIT, enable for TARGET_SAHF.
1079 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
1081 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
1082 spurious whitespace from error message.
1084 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
1087 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
1089 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
1091 * c-decl.c (grokdeclarator): Disable warnings for anonymous
1093 * tree-sra.c (instantiate_element): Propagate disabled warnings
1094 from the element itself to the created variable.
1096 2007-03-07 Richard Henderson <rth@redhat.com>
1099 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
1100 silently fix up the stack in the case of a missing register.
1102 2007-03-07 Paul Brook <paul@codesourcery.com>
1104 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
1106 2007-03-07 Joseph Myers <joseph@codesourcery.com>
1108 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
1110 (phase1_vrs): Use them.
1111 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
1112 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
1113 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
1114 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
1115 __gnu_Unwind_Restore_WMMXC if required.
1116 (_Unwind_VRS_Pop): Implement iWMMXt support.
1117 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
1118 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
1119 gnu_Unwind_Save_WMMXC): Define.
1121 2007-03-07 Richard Sandiford <richard@codesourcery.com>
1123 * config/vxworks.h (vxworks_override_options): Declare.
1124 (VXWORKS_OVERRIDE_OPTIONS): Use it.
1125 * config/vxworks.c: Include target.h and toplev.h.
1126 (vxworks_override_options): New function.
1127 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
1129 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
1131 * config/s390/s390.c (override_options): Don't emit an error when
1132 -mstack-size is used without providing -mstack-guard.
1133 (s390_emit_prologue): Choose stack_guard value automatically if not
1134 provided via command line.
1135 * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
1137 2007-03-07 Richard Sandiford <richard@codesourcery.com>
1139 * config/i386/i386.c (output_set_got): Add a GOT initialization
1140 sequence for VxWorks PIC.
1141 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
1142 around labels as well as symbols. Use gotoff_operand instead
1143 of local_symbolic_operand.
1144 (legitimize_pic_address): Use gotoff_operand instead of
1145 local_symbolic_operand. Use @GOT accesses for labels as
1147 (ix86_output_addr_diff_elt): Use PC-relative rather than
1148 GP-relative offsets for VxWorks PIC.
1149 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
1150 no_new_pseudos. Check whether the returned register is op0.
1151 * config/i386/i386.md (tablejump): Use PC-relative rather than
1152 GP-relative offsets for VxWorks PIC.
1153 * config/i386/predicates.md (gotoff_operand): New predicate.
1155 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1157 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
1159 * config/vxworks-dummy.h: New file.
1160 * config/i386/i386.h: Include it.
1162 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
1164 * dwarf2out.c (is_inlined_entry_point): New
1165 (add_high_low_attributes): Emit DW_AT_entry_pc along with
1166 DW_AT_ranges if the first subblock is the entry point.
1168 2007-03-06 David Daney <ddaney@avtrex.com>
1170 * doc/install.texi (mips-*-*): Change recommended binutils
1173 2007-03-06 Anatoly Sokolov <aesok@post.ru>
1175 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
1176 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
1178 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1179 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1181 2007-03-06 Jan Hubicka <jh@suse.cz>
1183 * errors.h (warning, error, fatal, internal_error): Mark as cold.
1184 * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
1186 (probably_cold_bb_p): Cold functions are cold.
1187 (probably_never_executed_bb_p): Cold functions are cold.
1188 (tree_bb_level_predictions): Predict calls to cold functions as not
1190 (compute_function_frequency): Check hot/cold attributes.
1191 * function.h (function_frequency): Update comments.
1192 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
1193 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
1194 (c_common_att): Add cold and hot.
1196 * doc/extend.texi (hot,cold attributes): Document.
1198 2007-03-06 Andrew Haley <aph@redhat.com>
1200 * function.c (expand_function_end): Move blockage to just after we
1201 emit the label for the naked return from the function.
1203 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1205 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
1208 2007-03-06 Jan Hubicka <jh@suse.cz>
1210 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
1211 loaded for constant large models. Non-large 64bit PIC can do.
1212 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
1213 * cmodel.h: Add LARGE PIC.
1214 * i386.md (UNSPEC_PLTOFF): New.
1215 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
1217 (*call_1_rex64): Disable for large models.
1218 (*call_1_rex64_large): New.
1219 (*call_value_1_rex64): Disable for large models.
1220 (*call_value_1_rex64_large): New.
1221 (set_rip_rex4): New.
1222 (set_got_offset_rex64): New.
1223 * predicates.md (constant_call_address_operand): For large model
1224 constant calls are not possible.
1225 * i386-protos.h (construct_plt_address): Declare.
1226 * i386.c (override_options): Accept large models.
1227 (ix86_expand_prologue): Expand large PIC GOT pointer load.
1228 (legitimate_constant_p): Add new UNSPECs.
1229 (legitimate_pic_operand_p): Likewise.
1230 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
1231 (legitimize_pic_address): Do easy RIP relative way for TLS only for
1233 (output_pic_addr_const): Add PLTOFF.
1234 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
1235 (ix86_expand_move): Legitimize pic address when in PIC mode.
1236 (construct_plt_address): New function.
1237 (ix86_expand_call): Offload the address to register and use GOT pointer
1239 * invoke.texi (mcmodel=large): Update documentation.
1241 2007-03-06 Richard Henderson <rth@redhat.com>
1243 * config/i386/i386.c (x86_use_leave, x86_push_memory,
1244 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
1245 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
1246 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
1247 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
1248 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
1249 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
1250 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
1251 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
1252 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1253 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1254 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
1255 x86_sse_partial_reg_dependency, x86_sse_split_regs,
1256 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
1257 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
1258 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
1259 x86_schedule, x86_use_bt, x86_pad_returns,
1260 x86_use_xchgb): Merge into ...
1261 (ix86_tune_features): ... here. New array.
1262 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
1263 x86_bswap): Merge into ...
1264 (ix86_arch_features): ... here. New array.
1265 (x86_3dnow_a): Remove.
1266 (x86_accumulate_outgoing_args): Make static.
1267 (x86_arch_always_fancy_math_387): Make static.
1268 (ix86_tune_mask, ix86_arch_mask): Move ...
1269 (override_options): ... to local variables here. Apply the
1270 appropriate mask to each element of ix86_arch_features and
1271 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
1272 as were done in the old macros.
1273 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
1274 * config/i386/i386.h (x86_use_leave, x86_push_memory,
1275 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
1276 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
1277 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
1278 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
1279 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
1280 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
1281 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
1282 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
1283 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
1284 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1285 x86_accumulate_outgoing_args, x86_prologue_using_move,
1286 x86_epilogue_using_move, x86_decompose_lea,
1287 x86_arch_always_fancy_math_387, x86_shift1,
1288 x86_sse_partial_reg_dependency, x86_sse_split_regs,
1289 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
1290 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
1291 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
1292 x86_use_incdec, x86_pad_returns, x86_bswap,
1293 x86_partial_flag_reg_stall): Remove.
1294 (enum ix86_tune_indices): New.
1295 (ix86_tune_features): New.
1296 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
1297 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
1298 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
1299 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
1300 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
1301 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
1302 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
1303 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
1304 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
1305 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
1306 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
1307 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
1308 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
1309 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
1310 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
1311 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
1312 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
1313 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
1314 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
1315 TARGET_EXT_80387_CONSTANTS): Use it.
1316 (enum ix86_arch_indices): New.
1317 (ix86_arch_features): New.
1318 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
1319 TARGET_BSWAP): Use it.
1320 (ix86_tune_mask, ix86_arch_mask): Remove.
1322 2007-03-06 Joseph Myers <joseph@codesourcery.com>
1325 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
1326 Define using $${sysroot_headers_suffix}.
1327 * configure: Regenerate.
1328 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
1329 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
1331 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
1332 * gcc.c (print_sysroot_headers_suffix): New.
1333 (option_map): Include --print-sysroot-headers-suffix.
1334 (display_help): Mention -print-sysroot-headers-suffix.
1335 (process_command): Handle -print-sysroot-headers-suffix.
1336 (do_spec_1): Append multilib directory to include-fixed path if
1337 sysroot suffixes in use.
1338 (main): Handle -print-sysroot-headers-suffix.
1339 * Makefile.in (start.encap): Don't depend on xlimits.h
1340 (xlimits.h): Remove.
1341 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
1342 limits.h for each multilib in fixinc_list.
1343 (fixinc_list, s-fixinc_list): New.
1344 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
1345 generate them for each multilib in fixinc_list.
1346 (stmp-fixproto): Use include-fixed. Run fixproto for each
1347 multilib in fixinc_list.
1348 (mostlyclean): Don't remove xlimits.h.
1349 (clean): Remove include-fixed.
1350 (real-install-headers-tar, real-install-headers-cpio,
1351 real-install-headers-cp): Don't copy include, only include-fixed.
1352 (install-mkheaders): Depend on fixinc_list. Don't depend on
1353 xlimits.h. Save limits.h files for each multilib in fixinc_list.
1354 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
1355 SYSTEM_HEADER_DIR setting in mkheaders.conf.
1357 2007-03-06 Jan Hubicka <jh@suse.cz>
1359 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
1362 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1364 * configure.ac: Allow tm_file to contain build-directory files.
1365 * configure: Regenerate.
1366 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
1367 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
1368 * config/m68k/print-sysroot-suffix.sh: New file.
1370 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1372 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
1373 of pic_offset_table_rtx if reload_completed.
1374 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
1375 PIC_OFFSET_TABLE_REGNUM.
1376 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
1378 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
1379 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
1381 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1383 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
1384 functions that call eh_return.
1386 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1388 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
1389 functions that need a constant pool.
1391 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1394 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
1395 (m68k_preferred_reload_class): Likewise.
1396 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
1397 (SECONDARY_RELOAD_CLASS): Define.
1398 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
1399 (LIMIT_RELOAD_CLASS): Delete.
1400 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
1401 registers from storing bytes.
1402 (m68k_secondary_reload_class): New function.
1403 (m68k_preferred_reload_class): Likewise.
1405 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1407 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
1409 (m68k_expand_prologue): Likewise.
1411 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1413 * config/m68k/m68k-protos.h (output_sibcall): Declare.
1414 (mips_expand_epilogue): Add a bool parameter.
1415 (m68k_legitimize_sibcall_address): Declare.
1416 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
1417 (m68k_expand_epilogue): Add a parameter to select between sibling
1418 and normal epilogues. Only generate a return for the latter.
1419 (m68k_ok_for_sibcall_p): New function.
1420 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
1421 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
1422 (sibcall_value, *sibcall_value): Likewise.
1423 (*call, *call_value): Require !SIBLING_CALL_P.
1424 (epilogue): Update call to m68k_expand_epilogue.
1425 (sibcall_epilogue): New pattern.
1426 * config/m68k/predicates.md (const_call_operand): Say that this
1427 predicate applies to sibling calls too.
1428 (sibcall_operand): New predicate.
1430 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1432 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
1433 alternatives as movsi_cf.
1434 (movsf_cf_hard): Add commentary.
1436 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
1437 Richard Sandiford <richard@codesourcery.com>
1439 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
1440 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
1441 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
1442 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
1443 as being live on exit from an interrupt function.
1444 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
1445 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
1446 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
1447 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
1448 (m68k_interrupt_function_p): Globalize.
1449 (m68k_compute_frame_layout): Remove reverse mask code.
1450 (m68k_emit_movem, m68k_set_frame_related): New functions.
1451 (m68k_output_function_prologue): Delete in favor of...
1452 (m68k_expand_prologue): ...this new function.
1453 (m68k_output_function_epilogue): Delete in favor of...
1454 (m68k_expand_epilogue): ...this new function.
1455 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
1457 (print_operand): Handle %?.
1458 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
1459 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
1460 (prologue, epilogue): New patterns.
1461 (return): Turn into a define_expand.
1462 (*return): New pattern, derived from old "return" pattern. Use rte
1463 rather than rts for interrupt functions. Only use rtd if the pop
1465 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
1466 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
1467 (link, *link, unlink, *unlink, load_got): Likewise.
1469 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1473 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
1474 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
1475 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
1476 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
1477 and m68k_matches_u_p.
1478 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
1479 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
1480 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
1481 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
1482 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
1483 (REG_STRICT_P): New macro.
1484 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
1485 PCREL_GENERAL_OPERAND_OK.
1486 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
1487 m68k_legitimate_base_reg_p.
1488 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
1489 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
1490 (PIC_CASE_VECTOR_ADDRESS): Update comment.
1491 * config/m68k/m68k.c (m68k_address): New structure.
1492 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
1493 (m68k_decompose_index, m68k_legitimate_constant_address_p)
1494 (m68k_jump_table_ref_p, m68k_decompose_address)
1495 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
1496 (m68k_matches_u_p): New functions.
1497 (print_operand_address): Rewrite to use m68k_decompose_index.
1499 2007-03-05 David Taylor <dtaylor@emc.com>
1501 * gcc.c: Correct copyright date in --version output.
1503 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1505 * pa.md: In unamed move patterns, disparge copies between general
1506 and floating point registers using '?' modifier. Don't include 'f'
1507 constraint for register preferences in DImode, SImode, HImode and
1508 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
1509 Remove constraints for copies between general and floating registers
1510 in soft-float DFmode pattern.
1511 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
1515 2007-03-05 Mike Stump <mrs@apple.com>
1517 * c-common.c (targetcm): Add.
1518 * c-opts.c (c_common_handle_option): Handle language specific
1520 * opts.c (handle_option): Verify language for target options, if
1522 * opth-gen.awk: Add CL_LANG_ALL.
1523 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
1524 (TARGETCM_INITIALIZER): Add.
1525 * target.h (struct gcc_targetcm): Add.
1527 * targhooks.c (default_handle_c_option): Add.
1528 * targhooks.h (default_handle_c_option): Add.
1529 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
1531 * config/darwin.opt (iframework): Add.
1532 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
1533 * config/darwin-c.c (handle_c_option): Add.
1534 (TARGET_HANDLE_C_OPTION): Add.
1536 * doc/invoke.texi (Darwin Options): Add -iframework.
1538 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1540 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
1543 2007-03-05 Ian Lance Taylor <iant@google.com>
1545 * c.opt (fgnu89-inline): New option.
1546 * c-opts.c (c_common_post_options): Set default value for
1548 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
1549 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
1551 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
1552 (grokdeclarator, start_function): Likewise.
1553 * c-cppbuiltin.c (c_cpp_builtins): Define either
1554 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
1555 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
1556 (C Dialect Options): Document -fgnu89-inline.
1557 * doc/extend.texi (Function Attributes): Explain what the
1558 gnu_inline attribute does.
1559 * doc/cpp.texi (Common Predefined Macros): Document
1560 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1562 2007-03-05 Ian Lance Taylor <iant@google.com>
1564 PR tree-optimization/31034
1565 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
1566 half-range if the other side is an overflow infinity.
1568 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1570 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
1571 (bfin*-linux-uclibc*): New configuration.
1572 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
1574 * config/bfin/linux.h: New file.
1575 * config/bfin/libgcc-bfin.ver: New file.
1576 * config/bfin/t-bfin-uclinux: New file.
1577 * config/bfin/t-bfin-linux: New file.
1578 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
1579 (TARGET_OS_CPP_BUILTINS): New macro.
1581 2007-03-05 Richard Guenther <rguenther@suse.de>
1583 * fold-const.c (fold_binary): Remove duplicate folding
1584 of comparison of non-null ADDR_EXPR against null.
1586 2007-03-05 Richard Guenther <rguenther@suse.de>
1587 Dorit Nuzman <dorit@il.ibm.com>
1589 PR tree-optimization/26420
1590 * tree-vectorizer.c (vectorize_loops): Bail out early if there
1591 are no loops in the function. Only print the number of
1592 vectorized loops if it is greater than zero or we are supposed
1593 to print information about unvectorized loops.
1595 2007-03-05 Revital Eres <eres@il.ibm.com>
1597 * gcc.dg/var-expand1.c: New test.
1598 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
1599 when an accumulator is expanded.
1601 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1604 * c-common.c (convert_and_check): Don't give warnings for
1605 conversion if 'expr' already overflowed.
1607 2007-03-04 Roger Sayle <roger@eyesopen.com>
1610 * fold-const.c (fold_comparison): Enforce type consistency when
1611 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
1613 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
1615 * tree-ssa-address.c (create_mem_ref): Do not put an expression
1616 containing a cast to the base of TARGET_MEM_REF.
1618 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
1620 * tree.c (tree_contains_struct_check_failed): Remove spurious
1621 whitespace from error message.
1623 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
1626 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
1627 instead of precision.
1629 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
1630 Nathan Sidwell <nathan@codesourcery.com>
1632 * emit-rtl.c (find_auto_inc): New.
1633 (try_split): recreate REG_INC notes,
1634 Use regular for loops rather than whiles.
1636 2007-03-03 Andreas Schwab <schwab@suse.de>
1638 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
1639 * configure: Regenerate.
1641 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1643 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
1644 flag_rounding_math, not flag_unsafe_math_optimizations.
1646 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
1648 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
1649 alpha_fold_vector_minmax): Likewise.
1650 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
1651 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
1653 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
1655 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
1656 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
1657 if the lhs has side-effects.
1658 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
1660 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
1662 * config/i386/i386.h (TUNEMASK): Remove define.
1663 (ARCHMASK): Remove define.
1664 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
1665 Use ix86_arch_mask variable instead of ARCHMASK.
1666 * config/i386/i386.c (override_options): Ditto.
1667 (standard_80387_constant_p): Ditto.
1669 2007-03-02 Ian Lance Taylor <iant@google.com>
1671 Used signed infinities in VRP.
1672 * tree-vrp.c (uses_overflow_infinity): New static function.
1673 (supports_overflow_infinity): New static function.
1674 (make_overflow_infinity): New static function.
1675 (negative_overflow_infinity): New static function.
1676 (positive_overflow_infinity): New static function.
1677 (is_negative_overflow_infinity): New static function.
1678 (is_positive_overflow_infinity): New static function.
1679 (is_overflow_infinity): New static function.
1680 (overflow_infinity_range_p): New static function.
1681 (compare_values_warnv): New function split out of compare_values.
1682 (compare_value): Call it.
1683 (set_value_range_to_nonnegative): Add overflow_infinity
1684 parameter. Change caller.
1685 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
1687 (vrp_expr_computes_nonzero): Likewise.
1688 (compare_ranges, compare_range_with_value): Likewise.
1689 (compare_name_with_value, compare_names): Likewise.
1690 (vrp_evaluate_conditional): Likewise.
1691 (set_value_range): Handle infinity
1692 (vrp_operand_equal_p, operand_less_p): Likewise.
1693 (extract_range_from_assert): Likewise.
1694 (vrp_int_const_binop): Likewise.
1695 (extract_range_from_binary_expr): Likewise.
1696 (extract_range_from_unary_expr): Likewise.
1697 (extract_range_from_comparison): Likewise.
1698 (extract_range_from_expr): Likewise.
1699 (dump_value_range): Likewise.
1700 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
1701 (test_for_singularity): Likewise.
1702 (vrp_int_const_binop): Remove inline qualifier.
1703 (adjust_range_with_scev): Add comment.
1704 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1706 2007-03-02 Diego Novillo <dnovillo@redhat.com>
1708 * tree-ssa-structalias.c (could_have_pointers): Tidy.
1709 (get_constraint_for): Likewise.
1710 (do_structure_copy): Likewise.
1711 (find_func_aliases): Fix references to MODIFY_EXPR.
1712 (intra_create_variable_infos): Tidy.
1713 * tree-ssa-operands.c (add_virtual_operand): Add argument
1715 When adding members of alias sets, if IS_CALL_SITE is true and
1716 the symbol is not call-clobbered, skip it.
1719 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
1721 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
1722 entry by means of emit_insn_at_entry.
1724 2007-03-02 Richard Henderson <rth@redhat.com>
1726 * expr.h (promoted_input_arg): Remove decl.
1727 * function.c (promoted_input_arg): Merge into ...
1728 * combine.c (setup_incoming_promotions): ... only caller.
1729 Rearrange to avoid double loop.
1731 2007-03-02 Ben Elliston <bje@au.ibm.com>
1732 Peter Bergner <bergner@vnet.ibm.com>
1733 Janis Johnson <janis187@us.ibm.com>
1735 * config/rs6000/dfp.md: New file.
1736 * config/rs6000/rs6000.md: Include dfp.md.
1737 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
1738 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
1739 and TDmode decimal float modes in FP registers.
1740 (num_insns_constant): Likewise.
1741 (rs6000_legitimate_offset_address_p): Likewise.
1742 (rs6000_legitimize_address): Likewise.
1743 (rs6000_legitimize_reload_address): Likewise.
1744 (rs6000_legitimate_address): Likewise.
1745 (rs6000_emit_move): Likewise.
1746 (function_arg_boundary): Likewise.
1747 (function_arg_advance): Likewise.
1748 (rs6000_darwin64_record_arg_recurse): Likewise.
1749 (function_arg): Likewise.
1750 (rs6000_gimplify_va_arg): Likewise.
1751 (rs6000_split_multireg_move): Likewise.
1752 (rs6000_output_function_epilogue): Likewise.
1753 (rs6000_output_function_epilogue): Likewise.
1754 (rs6000_register_move_cost): Likewise.
1755 (rs6000_function_value): Likewise.
1756 (rs6000_libcall_value): Likewise.
1758 2007-03-02 Richard Sandiford <richard@codesourcery.com>
1760 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
1762 2007-03-02 Richard Sandiford <richard@codesourcery.com>
1764 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
1765 Use $MULTIDIR to choose between the kernel and RTP headers,
1766 and use $WIND_BASE and $WIND_USR to locate them.
1768 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
1770 * config/i386/i386.c (override_options): Put initialization of
1771 ix86_tune_mask and ix86_arch_mask to the correct place.
1773 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
1774 Michael Meissner <michael.meissner@amd.com>
1777 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
1779 (TARGET_CMOVE): Use ARCHMASK.
1780 (TARGET_CMPXCHG): Ditto.
1781 (TARGET_CMPXCHG8B): Ditto.
1782 (TARGET_XADD): Ditto.
1783 (TARGET_BSWAP): Ditto.
1784 * config/i386/i386.c (ix86_tune_mask): New global variable.
1785 (ix86_arch_mask): Ditto.
1786 (override_options): Initialize ix86_tune_mask and
1787 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
1790 2007-03-02 Ben Elliston <bje@au.ibm.com>
1793 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
1795 2007-03-02 Joseph Myers <joseph@codesourcery.com>
1797 * target.h (init_dwarf_reg_sizes_extra): New target hook.
1798 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
1799 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
1800 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
1802 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
1803 rs6000_init_dwarf_reg_sizes_extra): New.
1804 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
1805 SPE register high parts.
1807 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
1809 * Makefile.in: Add install-pdf target as
1810 copied from automake v1.10 rules.
1811 * configure.ac: Add install-pdf to target list.
1812 * configure: Regenerate.
1814 2007-03-01 Paul Brook <paul@codesourcery.com>
1816 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
1817 modes to LDRD for DImode.
1818 (output_move_double): Fixup out of range ldrd/strd.
1819 (vfp_secondary_reload_class): Rename...
1820 (coproc_secondary_reload_class): ... to this. Add wb argument.
1821 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
1822 coproc_secondary_reload_class for CLASS_IWMMXT.
1823 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
1824 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
1826 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
1828 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the unroll
1829 factor by the estimated number of iterations.
1830 (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
1833 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
1834 decode_caches_intel, detect_caches_intel): New functions.
1835 (host_detect_local_cpu): Use detect_caches_amd and
1836 detect_caches_intel.
1838 2007-03-01 Richard Henderson <rth@redhat.com>
1840 * expr.c (emit_move_complex_push): Export.
1841 (emit_move_complex_parts): Split out from ...
1842 (emit_move_complex): ... here.
1843 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
1844 * config/i386/i386.md (movcdi): New.
1846 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
1848 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
1849 size of mode1 to check for tieable modes in MMX case.
1851 2007-03-01 Richard Sandiford <richard@codesourcery.com>
1853 * Makefile.in (rtlanal.o): Depend on tree.h.
1854 * rtl.h (offset_within_section_p, split_const): Declare.
1855 * rtlanal.c: Include tree.h.
1856 (offset_within_block_p): New function, taken from
1857 mips_offset_within_object_p.
1858 (split_const): New function, taken from mips_split_const.
1859 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
1861 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
1862 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
1863 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
1864 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
1865 (m68k_illegitimate_symbolic_constant_p): New function.
1866 * config/m68k/m68k.md (movsi): Remove misleading predicates.
1867 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
1868 symbolic constant that might be outside the symbol's section,
1869 move the symbol first and then add the offset.
1870 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
1872 * config/mips/mips.c (mips_split_const): Delete.
1873 (mips_offset_within_object_p): Delete.
1874 (mips_symbolic_constant_p): Use offset_within_section_p and
1875 split_const instead of mips_offset_within_object_p and
1877 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
1878 (mips_legitimize_const_move, print_operand_reloc)
1879 (mips_dangerous_for_la25_p): Use split_const instead of
1882 2007-02-28 Eric Christopher <echristo@apple.com>
1884 * Makefile.in (install-include-dir): Don't rm -rf include.
1886 2007-02-28 Richard Guenther <rguenther@suse.de>
1889 * fold-const.c (fold_binary): Do not associate expressions
1890 with more than one variable for integer types that do not wrap.
1892 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
1894 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
1895 Delete, and replace with...
1896 (fold_builtin_call_array): This. Update callers to use it.
1897 * fold-const.c (fold_build_call_list): Delete, and replace with...
1898 (fold_build_call_array): This.
1899 (fold_build_call_list_initializer): Delete, and replace with...
1900 (fold_build_call_array_initializer): This.
1901 * tree.h: Update declarations to reflect above changes.
1903 * c-typeck.c (build_function_call): Store converted arguments
1904 in a stack-allocated array instead of building a list.
1905 (convert_arguments): Store arguments in the array passed in as an
1906 argument, and return the actual number of arguments.
1907 * c-format.c: (check_function_format): Pass arguments in an
1908 array instead of a list.
1909 * c-common.c (check_function_nonnull): Likewise.
1910 (check_function_sentinel): Likewise.
1911 (check_function_arguments): Likewise.
1912 * c-common.h: Update declarations to reflect above changes.
1914 2007-02-28 Jan Hubicka <jh@suse.cz>
1916 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
1917 PRED_NEGATIVE_RETURN): Update outcomes.
1919 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
1921 * calls.c (emit_library_call_value_1): Handle partial registers
1922 correctly when building up CALL_INSN_FUNCTION_USAGE.
1924 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1926 * pa/predicates.md (move_src_operand): Allow zero for mode.
1927 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
1930 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
1933 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
1934 *movv2df_internal): Enable pattern only for valid operand
1936 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
1937 tie only 128bit modes. For MMX registers, tie only 64bit modes.
1939 2007-02-27 Mike Stump <mrs@apple.com>
1941 * config/darwin-crt3.c: Avoid compilation when compiling for a
1944 2007-02-27 Joseph Myers <joseph@codesourcery.com>
1946 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
1948 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
1949 for fixed headers and limits.h.
1950 (install-include-dir, install-headers-tar, install-headers-cpio,
1951 install-headers-cp, real-install-headers-tar,
1952 real-install-headers-cpio, real-install-headers-cp): Handle
1953 include-fixed as well as include.
1954 (install-mkheaders): Don't install files that go only in include
1956 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
1957 from GCC_INCLUDE_DIR.
1958 * gcc.c (process_command): Remove special -BstageN/ handling.
1959 (do_spec_1): Add include-fixed directories.
1961 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
1963 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
1965 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
1967 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
1970 2007-02-27 Mark Mitchell <mark@codesourcery.com>
1972 * c-common.c (get_priority): Add check for
1973 SUPPORTS_INIT_PRIORITY.
1975 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
1977 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
1979 * config/bfin/bfin.c: Include "cfglayout.h".
1980 (MAX_LSETUP_DISTANCE): New macro.
1981 (struct loop_info): New members incoming, incoming_src and
1982 incoming_dest. Delete member predecessor.
1983 (length_for_loop): New function.
1984 (bfin_optimize_loop): Handle more different loop structures.
1985 (bfin_discover_loop): Rework detection of predecessor blocks by
1986 examining incoming edges.
1987 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
1989 (bfin_reorder_loops): New function.
1990 (bfin_reorg_loops): Use these three new functions.
1992 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
1993 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
1994 (CONSTRAINT_LEN): Add entry for 'q'.
1995 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
1996 Add 'q' constraints.
1997 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
1998 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
2000 * config/bfin/bfin.md (add_with_carry): New pattern.
2001 (s_or_u, su_optab, su_modifier): New code macros/attrs.
2002 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
2003 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
2004 support unsigned multiplies too. Removed incorrect commutativity from
2005 operand 1 constraint where appropriate.
2006 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
2008 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
2009 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
2011 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
2012 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
2013 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
2014 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
2015 usmulhisi_hh_huh): New patterns.
2017 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
2018 lshifthi3): Fix output template to use half reg for operand 2.
2020 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
2023 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
2025 2007-02-27 Andreas Schwab <schwab@suse.de>
2027 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
2029 2007-02-27 Jan Hubicka <jh@suse.cz>
2031 * predict.c (last_basic_block_p): Remove.
2032 (tree_estimate_probability): Update return heuristic for commonized
2035 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
2037 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
2039 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
2041 * doc/include/gcc-common.texi (versionsubtitle): New macro.
2042 * doc/cpp.texi: Standardize title page.
2043 * doc/cppinternals.texi: Likewise.
2044 * doc/gcc.texi: Standardize title page, remove version number
2045 from copyright page.
2046 * doc/gccint.texi: Likewise.
2047 * doc/install.texi: Standardize title page, add table of
2050 2007-02-26 Jan Hubicka <jh@suse.cz>
2052 * predict.def: Set outcomes according to more recent results.
2053 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
2054 Remove dead predictors.
2055 * predict.c (return_prediction): Fix pasto.
2057 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
2059 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
2060 change; avoid a memory leak when returning early.
2062 2007-02-26 Mark Mitchell <mark@codesourcery.com>
2064 * c-decl.c (static_ctors): Move to c-common.c.
2065 (static_dtors): Likewise.
2066 (finish_function): Use c_record_cdtor_fn.
2067 (build_cdtor): Move to c-common.c.
2068 (c_write_global_declarations): Use c_build_cdtor_fns.
2069 * c-common.h (static_ctors): Declare.
2070 (static_dtors): Likewise.
2071 (c_record_cdtor_fn): Likewise.
2072 (c_build_cdtor_fns): Likewise.
2073 * c-common.c (static_ctors): New variable.
2074 (static_dtors): Likewise.
2075 (c_record_cdtor_fn): New function.
2076 (build_cdtor): Move from c-decl.c
2077 (c_build_cdtor_fns): New function.
2079 * output.h (assemble_addr_to_section): Declare.
2080 (get_cdtor_priority_section): Likewise.
2081 * varasm.c (assemble_addr_to_section): New function.
2082 (get_cdtor_priority_section): Likewise.
2083 (default_named_section_asm_out_destructor): Use them.
2084 (destor_dtor_section_asm_out_destructor): Likewise.
2085 (default_named_section_asm_out_constructor): Likewise.
2086 (default_ctor_section_asm_out_constructor): Likewise.
2087 * config.gcc (*-*-vxworks*): Include vxworks.o.
2088 * config/t-vxworks (vxworks.o): New target.
2089 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
2090 (TARGET_ASM_CONSTRUCTOR): Define.
2091 (TARGET_ASM_DESTRUCTOR): Likewise.
2092 (vxworks_asm_out_constructor): Declare.
2093 (vxworks_asm_out_destructor): Likewise.
2095 * c-common.c (get_priority): Check that we have not just an
2096 INTEGER_CST, but an integer constant with integeral type.
2098 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
2100 PR tree-optimization/30938
2101 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
2102 use &dt[nargs-1] instead of &dt[nargs] in the call to
2103 vect_is_simple_use().
2105 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
2107 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
2108 from register elimination as PRE_MODIFY / POST_MODIFY increments.
2109 Do not attempt to handle MEM inside auto-inc expressions.
2110 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
2111 of a register modified by an auto-inc expression. However, do handle
2112 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
2113 (elimination_effects): Prohibit elimination of a register modified
2114 by an auto-inc expression. Disable register elimination rules whose
2115 target register is modified by an auto-inc expression with variable
2118 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
2120 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
2122 (array_at_struct_end_p): New function.
2123 (idx_infer_loop_bounds): Use it.
2124 (estimate_numbers_of_iterations_loop): Export.
2125 * predict.c (predict_loops): Use estimated_loop_iterations_int.
2126 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
2127 (tree_estimate_probability): Call record_loop_exits.
2128 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
2129 (estimated_loop_iterations, estimated_loop_iterations_int,
2130 estimated_loop_iterations_tree): New functions.
2131 (analyze_siv_subscript_cst_affine,
2132 compute_overlap_steps_for_affine_1_2,
2133 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
2134 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
2135 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
2136 (PRED_LOOP_ITERATIONS_GUESSED): New.
2137 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
2138 * cfgloop.h (estimate_numbers_of_iterations_loop,
2139 estimated_loop_iterations_int): Declare.
2141 2007-02-25 Mark Mitchell <mark@codesourcery.com>
2143 * doc/extend.texi: Document optional priority argument to
2144 constructors and destructors.
2145 * tree.c (init_priority_for_decl): Adjust GTY markers.
2146 (init_ttree): Use priority-info hash functions for
2147 init_priority_for_decl.
2148 (tree_map_eq): Rename to ...
2149 (tree_map_base_eq): ... this.
2150 (tree_map_marked_p): Rename to ...
2151 (tree_map_base_marked_p): ... this.
2152 (tree_map_base_hash): New function.
2153 (decl_init_priority_lookup): Rework.
2154 (decl_fini_priority_lookup): New function.
2155 (decl_priority_info): New function.
2156 (decl_init_priority_insert): Use it.
2157 (decl_fini_priority_insert): Likewise.
2158 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
2160 (decl_restrict_base_insert): Likewise.
2161 (decl_debug_expr_insert): Likewise.
2162 (decl_value_expr_lookup): Likewise.
2163 (decl_value_expr_insert): Likewise.
2164 * tree.h (priority_type): New type.
2165 (decl_init_priority_lookup): Use priority_type.
2166 (decl_fini_priority_lookup): New function.
2167 (decl_init_priority_insert): Use priority_type.
2168 (decl_fini_priority_insert): New function.
2169 (DECL_HAS_INIT_PRIORITY): Tweak comments.
2170 (DECL_INIT_PRIORITY): Likewise.
2171 (SET_DECL_INIT_PRIORITY): Add comment.
2172 (DECL_FINI_PRIORITY): New macro.
2173 (SET_DECL_FINI_PRIORITY): Likewise.
2174 (DEFAULT_INIT_PRIORITY): Document.
2175 (MAX_INIT_PRIORITY): Likewise.
2176 (MAX_RESERVED_INIT_PRIORITY): Likewise.
2177 (tree_map_base): New type.
2178 (tree_map_base_eq): New function.
2179 (tree_map_base_hash): Likewise.
2180 (tree_map_base_marked_p): Likewise.
2181 (tree_map): Inherit from tree_map_base.
2182 (tree_map_eq): Make it a macro.
2183 (tree_map_marked_p): Likewise.
2184 (tree_int_map): Inherit from tree_map_base.
2185 (tree_int_map_eq): Make it a macro.
2186 (tree_int_map_hash): Likewise.
2187 (tree_int_map_marked_p): Likewise.
2188 (tree_priority_map): New type.
2189 (tree_priority_map_eq): New macro.
2190 (tree_priority_map_hash): Likewise.
2191 (tree_priority_map_marked_p): Likewise.
2192 * varasm.c (emults_decl): Adjust for refactoring of tree_map
2194 (emutls_common_1): Likewise.
2195 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
2196 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
2197 of tree_map hierarchy.
2198 * tree-cfg.c (move_stmt_r): Likewise.
2199 (new_label_mapper): Likewise.
2200 * c-tree.h (c_expand_body): Move to ...
2201 * c-common.h (c_expand_body): ... here.
2202 * c-decl.c (c_expand_body): Move to ...
2203 * c-common.c (c_expand_body): ... here.
2204 (c_common_attribute_table): Allow 1 argument for the constructor
2205 and destructor attributes.
2206 (get_priority): New function.
2207 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
2208 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
2210 2007-02-24 Jan Hubicka <jh@suse.cz>
2213 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
2215 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
2216 Jan Hubicka <jh@suse.cz>
2219 * i386.c (counter_mode): New function.
2220 (expand_set_or_movmem_via_loop): Use it.
2221 (expand_movmem_epilogue): Likewise; fix pasto.
2222 (ix86_expand_movmem): Do emit guard even for constant counts.
2223 (ix86_expand_setmem): Likewise.
2225 2007-02-25 Nick Clifton <nickc@redhat.com>
2227 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
2228 (JUMP_TABLES_IN_TEXT_SECTION): Define.
2230 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
2233 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
2234 count argument with 0x10, not with 0x16.
2235 (expand_setmem_epilogue): Ditto.
2237 2007-02-24 Mike Stump <mrs@apple.com>
2239 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
2242 2007-02-24 Richard Guenther <rguenther@suse.de>
2245 * fold-const.c (fold_binary): Fold x +- CST op x for
2246 EQ_EXPR and NE_EXPR.
2248 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2250 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
2252 2007-02-24 Jan Hubicka <jh@suse.cz>
2254 * cgraphunit.c (decide_is_function_needed): Honor
2255 -fkeep-inline-functions.
2257 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2259 * builtins.c (fold_builtin_modf): New.
2260 (fold_builtin_2): Use it.
2262 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
2264 * loop-iv.c (implies_p): Detect additional cases where A implies B.
2265 (determine_max_iter): Take additional LOOP arg; all callers changed.
2266 Lose broken logic dealing with PLUS. Try to limit the upper bound by
2267 one using simplifications.
2268 (simplify_using_initial_values): Return if the expression becomes
2269 invalid due to altered regs.
2271 2007-02-23 DJ Delorie <dj@redhat.com>
2273 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
2275 2007-02-23 Mike Stump <mrs@apple.com>
2277 * tlink.c (scan_linker_output): Parse linker messages from
2278 darwin9's linker better.
2280 2007-02-23 Steve Ellcey <sje@cup.hp.com>
2283 * varpool.c (varpool_assemble_pending_decls): Set
2284 varpool_last_needed_node to null.
2286 2007-02-23 DJ Delorie <dj@redhat.com>
2288 * config/i386/i386.c (ix86_data_alignment): Don't specify an
2289 alignment bigger than the object file can handle.
2291 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
2294 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
2295 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
2296 (*movsf_1): Penalize MMX moves.
2298 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
2300 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
2301 2^32-1 or more times unless flag_unsafe_loop_optimizations.
2303 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
2305 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2307 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
2308 (fold_builtin_1): Use them.
2309 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2310 BUILT_IN_SIGNIFICAND.
2312 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
2314 * config/i386/i386.c (bdesc_1arg): Initialize
2315 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
2316 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
2317 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
2318 and IX86_BUILTIN_MOVSLDUP.
2320 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
2322 PR rtl-optimization/30841
2323 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
2325 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2327 * builtins.c (fold_builtin_frexp): New.
2328 (fold_builtin_2): Use it.
2330 2007-02-22 Mark Mitchell <mark@codesourcery.com>
2332 * doc/invoke.texi (Spec Files): Document getenv spec function.
2334 * gcc.c (getenv_spec_function): New function.
2335 (static_spec_functions): Add it.
2336 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
2337 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
2340 2007-02-22 Michael Matz <matz@suse.de
2343 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
2344 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
2346 2007-02-22 Ian Lance Taylor <iant@google.com>
2349 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
2350 (mem_loc_descriptor): Call it.
2352 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
2353 Ira Rosen <irar@il.ibm.com>
2355 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
2357 2007-02-22 Ira Rosen <irar@il.ibm.com>
2359 PR tree-optimization/30843
2360 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
2361 stores only after all the group is vectorized.
2363 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
2365 PR tree-optimization/30858
2366 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
2367 in the reduction cycle have a single use in the loop.
2368 * tree-vectorizer.h (relevant): Add documentation.
2370 2007-02-20 Mike Stump <mrs@apple.com>
2372 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
2373 * configure: Regenerate.
2375 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2377 Change the defaults of some parameters and options.
2378 * config/spu/spu-protos.h (spu_optimization_options): Declare.
2379 * config/spu/spu.c (spu_optimization_options): Add.
2380 (spu_override_options): Change params in spu_optimization_options.
2381 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
2383 Register 127 is only 16 byte aligned when used as a frame pointer.
2384 * config/spu/spu-protos.h (spu_init_expanders): Declare.
2385 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
2386 HARD_FRAME_POINTER_REGNUM.
2387 (spu_legitimate_address): Use regno_aligned_for_reload.
2388 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
2389 aligned when frame_pointer_needed is true.
2390 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
2392 * config/spu/spu.h (INIT_EXPANDERS): Define.
2394 Make sure shift and rotate instructions have valid immediate operands.
2395 * config/spu/predicates.md (spu_shift_operand): Remove.
2396 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
2397 * config/spu/constraints.md (W, O): Extend range.
2398 * config/spu/spu.md (umask, nmask): Define.
2399 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
2400 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
2401 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
2402 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
2403 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
2404 (lshr<mode>3_reg): Fix rtl description.
2406 Make sure mulhisi immediate operands are valid.
2407 * config/spu/predicates.md (imm_K_operand): Add.
2408 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
2410 Generate constants using fsmbi and andi.
2411 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
2412 (print_operand, spu_split_immediate, classify_immediate,
2413 fsmbi_const_p): Handle IC_FSMBI2.
2415 Correctly handle a CONST_VECTOR containing symbols.
2416 * config/spu/spu.c (print_operand): Handle HIGH correctly.
2417 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
2418 (immediate_load_p): Allow symbols that use 2 instructions to create.
2419 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
2420 with symbols when flag_pic is set.
2421 (const_vector_immediate_p): New.
2422 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
2423 accept a CONST_VECTOR with symbols.
2424 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
2425 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
2427 * config/spu/spu.md (high, low): Delete.
2428 (low_<mode>): Define.
2430 Remove INTRmode and INTR_REGNUM, which didn't work.
2431 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
2433 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
2434 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
2435 peephole2 pattern): Don't use INTR or 131.
2436 (movintrcc): Delete.
2437 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
2438 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
2439 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
2440 (UNSPEC_SET_INTR): Add.
2441 * config/spu/spu-modes.def (INTR): Remove.
2443 More accurate warnings about run-time relocations.
2444 * config/spu/spu.c (reloc_diagnostic): Test in_section.
2446 Correctly warn about immediate arguments to specific intrinsics.
2447 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
2448 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
2449 the instruction predicate.
2451 Fix tree check errors with latest update.
2452 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
2454 (spu_expand_builtin): Use CALL_EXPR_FN.
2456 Add missing specific intrinsics.
2457 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
2459 * config/spu/spu_internals.h: Ditto.
2461 Fix incorrect operand modifiers.
2462 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
2463 * config/spu/spu.md (xor<mode>3): Change %S to %J.
2465 Optimize one case of zero_extend of a vec_select.
2466 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
2468 Accept any immediate for hbr.
2469 * config/spu/spu.md (hbr): Change s constraints to i.
2471 2007-02-21 Paul Brook <paul@codesourcery.com>
2473 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
2474 condexec_count when skipping USE and CLOBBER.
2476 2007-02-21 Nick Clifton <nickc@redhat.com>
2478 * common.opt (Warray-bounds): Add Warning attribute.
2479 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
2481 (fsized-zeroes): Add Optimization attribute.
2482 (fsplit-wide-types, ftree-scev-cprop): Likewise.
2483 * c.opt (Wc++0x-compat): Add Warning attribute.
2485 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
2488 * reload1.c (eliminate_regs_in_insn): In the single_set special
2489 case, attempt to re-recognize the insn before falling back to
2490 having reload fix it up.
2492 2007-02-20 Eric Christopher <echristo@gmail.com>
2494 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
2495 Rewrite accordingly.
2496 (frv_read_iacc_argument): Ditto.
2497 (frv_expand_set_builtin): Take a call instead of arglist, update for
2499 (frv_expand_unop_builtin): Ditto.
2500 (frv_expand_binop_builtin): Ditto.
2501 (frv_expand_cut_builtin): Ditto.
2502 (frv_expand_binopimm_builtin): Ditto.
2503 (frv_expand_voidbinop_builtin): Ditto.
2504 (frv_expand_int_void2arg): Ditto.
2505 (frv_expand_prefetches): Ditto.
2506 (frv_expand_voidtriop_builtin): Ditto.
2507 (frv_expand_voidaccop_builtin): Ditto.
2508 (frv_expand_load_builtin): Ditto.
2509 (frv_expand_store_builtin): Ditto.
2510 (frv_expand_mdpackh_builtin): Ditto.
2511 (frv_expand_mclracc_builtin): Ditto.
2512 (frv_expand_mrdacc_builtin): Ditto.
2513 (frv_expand_mwtacc_builtin): Ditto.
2514 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
2517 2007-02-20 Janis Johnson <janis187@us.ibm.com>
2519 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
2520 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
2522 (HAVE_GAS_DFP): Check for assembler support of decimal floating
2524 * configure: Regenerate.
2525 * config.in: Regenerate.
2526 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
2527 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
2528 masks to power6 and power6x and to POWERPC_MASKS.
2529 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2531 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
2532 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
2533 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2534 Access PROTOTYPE as variable, not mask.
2536 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
2538 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
2539 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
2540 * combine.c (adjust_for_new_dest): Use it.
2541 * postreload.c (reload_combine): Likewise.
2543 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
2545 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
2546 notes on an insn with multiple sets, even if single_set returns
2547 non-NULL for that insn.
2549 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2551 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
2554 2007-02-20 Geoffrey Keating <geoffk@apple.com>
2556 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
2557 if user didn't pass it.
2558 * config/i386/darwin.h (CC1_SPEC): Likewise.
2559 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
2560 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
2561 -mmacosx-version-min.
2563 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2564 Uros Bizjak <ubizjak@gmail.com>
2566 * optabs.h (enum optab_index): Add new OTI_scalb.
2567 (scalb_optab): Define corresponding macro.
2568 * optabs.c (init_optabs): Initialize scalb_optab.
2569 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
2571 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
2572 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
2573 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
2574 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
2575 flag_unsafe_math_optimizations is set.
2577 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
2578 to implement scalbf, scalb and scalbl built-ins as inline x87
2581 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2582 DJ Delorie <dj@redhat.com>
2585 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
2586 (diagnostic_report_diagnostic): ... here, and turn them into real
2587 errors. If warnings are inhibited, no need to do anything.
2589 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
2591 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
2592 better code generation.
2594 2007-02-20 Ben Elliston <bje@au.ibm.com>
2596 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
2598 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
2600 * config/alpha/alpha.c, config/alpha/alpha.md,
2601 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
2602 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
2603 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
2604 config/arm/lib1funcs.asm: Follow spelling conventions.
2606 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
2607 config/fr30/fr30.md, config/i386/i386.h,
2608 config/iq2000/iq2000.h, config/iq2000/predicates.md,
2609 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
2610 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
2611 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
2612 config/rs6000/altivec.md, config/rs6000/rs6000.c,
2613 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
2614 config/sparc/sparc.c, config/sparc/sparc.h,
2615 config/sparc/sparc.md, config/spu/constraints.md,
2616 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
2619 2007-02-20 Alan Modra <amodra@bigpond.net.au>
2622 * varasm.c (use_blocks_for_decl_p): Return false for decls with
2625 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
2627 * doc/invoke.texi (-ftree-lrs): Remove.
2629 2007-02-19 Diego Novillo <dnovillo@redhat.com>
2631 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
2634 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
2636 * config/ia64/ia64.c (ia64_expand_builtin): Use the
2637 new CALL_EXPR_FN macro for retrieving the function
2638 declaration of the input expression.
2640 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2642 * c.opt (Waddress): New.
2643 * common.opt (Walways-true): Delete.
2644 (Wstring-literal-comparison): Delete.
2645 * doc/invoke.texi (Warning Options): Delete -Walways-true and
2646 -Wstring-literal-comparison. Add -Waddress.
2648 (Walways-true): Delete.
2649 (Wstring-literal-comparison): Delete.
2650 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
2651 consistently instead of -Walways-true in example.
2652 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
2653 * c-typeck.c (parser_build_binary_op): Replace
2654 -Wstring-literal-comparison and -Walways-true with -Waddress.
2655 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
2658 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
2660 * tree-cfg.c (dump_function_to_file): Be prepared for functions
2661 without DECL_STRUCT_FUNCTION initialized.
2663 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
2665 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
2666 due to calls to functions taking pointers as parameters.
2668 2007-02-19 Richard Henderson <rth@redhat.com>
2671 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
2674 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
2676 * config/s390/s390.c (s390_call_saved_register_used,
2677 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
2678 accessed to the new scheme.
2680 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2682 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
2683 (cris_print_index, cris_print_operand, cris_print_operand_address)
2684 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
2685 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
2686 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
2688 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
2689 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
2690 GO_IF_LEGITIMATE_ADDRESS): Ditto.
2691 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
2692 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
2693 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
2694 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
2695 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
2696 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
2697 (uminsi3, call, call_value): Ditto.
2698 (define_split: indir_to_reg_split, unnamed): Ditto.
2700 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
2702 PR tree-optimization/30975
2703 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
2706 2007-02-18 Eric Christopher <echristo@gmail.com>
2708 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
2709 Remove use of arglist.
2710 (mips_expand_builtin): Remove use of arglist, pass in expr.
2711 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
2712 (mips_expand_builtin_movtf): Ditto.
2713 (mips_expand_builtin_compare): Ditto.
2715 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
2717 * tree-sra.c (sra_build_assignment): Replace assertion
2718 checking with a comment explaining why it can't be done.
2720 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
2723 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
2724 during CALL_EXPR representation conversion.
2725 * tree-ssa-propagate.c (set_rhs): Likewise.
2727 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
2729 * tree-sra.c (sra_build_assignment): Disable assertion checking
2732 2007-02-18 Roger Sayle <roger@eyesopen.com>
2734 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
2735 instead of calling build2 with a GIMPLE_MODIFY_STMT.
2736 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
2738 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
2739 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
2740 gimplify_init_ctor_eval_range, gimple_push_cleanup,
2741 gimplify_omp_for, gimplify_omp_atomic_pipeline,
2742 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
2743 force_gimple_operand): Likewise.
2744 * ipa-cp.c (constant_val_insert): Likewise.
2745 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2746 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
2747 perfect_nestify): Likewise.
2748 * langhooks.c (lhd_omp_assignment): Likewise.
2749 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
2750 lower_copyprivate_clauses, lower_send_clauses,
2751 lower_send_shared_vars, expand_parallel_call,
2752 expand_omp_for_generic, expand_omp_for_static_nochunk,
2753 expand_omp_for_static_chunk, expand_omp_sections,
2754 lower_omp_single_copy, lower_omp_for_lastprivate,
2755 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
2756 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
2757 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
2760 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
2762 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
2763 config/sh/sh.md: Follow spelling conventions.
2765 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
2766 config/frv/predicates.md: Follow spelling conventions.
2768 * config/m68k/linux-unwind.h: Fix a comment typo.
2769 * target.h: Follow spelling conventions.
2771 2007-02-18 Roger Sayle <roger@eyesopen.com>
2773 PR rtl-optimization/28173
2774 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
2775 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
2776 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
2777 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
2778 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
2780 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2782 * builtins.c (fold_builtin_load_exponent): New.
2783 (fold_builtin_2): Use it.
2785 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
2787 PR rtl-optimization/30773
2788 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
2789 if we fail to attach a REG_EQUIV note.
2791 2007-02-18 David Edelsohn <edelsohn@gnu.org>
2792 Roger Sayle <roger@eyesopen.com>
2794 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
2796 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
2798 * calls.c (initialize_argument_information): Pass original EXP
2799 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
2800 code to split complex arguments here, as part of initializing the
2802 (expand_call): Remove code that builds a list of arguments and
2803 inserts implicit arguments into it. Instead, just count how many
2804 implicit arguments there will be so we can determine the size of
2805 the ARGS array, and let initialize_argument_information do the work.
2806 (split_complex_values): Delete unused function.
2808 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
2810 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
2812 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
2814 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
2815 for arg pointer based indexed addressing.
2817 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
2819 * config/ia64/ia64.h, config/ia64/ia64.md,
2820 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
2821 spelling conventions.
2823 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
2825 * config/m68k/m68k.c (split_di): New.
2826 * config/m68k/m68k-protos.h: Declare split_di.
2827 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
2828 Improve predicate handling and split constant shifts.
2830 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
2832 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
2833 parameter for register bitfield operations, general predicates
2836 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
2838 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
2839 * config/m68k/linux-unwind.h: New file.
2841 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
2843 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
2844 config/i386/athlon.md, config/ia64/ia64.md,
2845 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
2846 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
2847 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
2848 tree-ssa-loop-niter.c, tree-vect-analyze.c,
2849 tree-vect-transform.c: Fix comment typos.
2851 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
2853 * sched-deps.c (find_insn_list): Remove.
2854 * sched-int.h: Remove the prototype for find_insn_list.
2856 2007-02-16 Geoffrey Keating <geoffk@apple.com>
2858 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
2860 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
2861 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
2862 darwin_rs6000_override_options.
2863 (C_COMMON_OVERRIDE_OPTIONS): Expect
2864 darwin_macosx_version_min to be non-NULL always.
2865 (TARGET_C99_FUNCTIONS): Likewise.
2866 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
2867 (DARWIN_MINVERSION_SPEC): New.
2868 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
2869 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
2871 (DARWIN_MINVERSION_SPEC): New.
2872 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
2874 * config/darwin-c.c (darwin_cpp_builtins): Expect
2875 darwin_macosx_version_min to be non-NULL always.
2877 * config/rs6000/rs6000.c: Clean up trailing whitespace.
2879 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
2881 * config/i386/i386.h (x86_use_xchgb): New.
2882 (TARGET_USE_XCHGB): New macro.
2883 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
2884 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
2885 Split after reload into bswaphi for shifts of 8.
2886 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
2887 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
2888 or when optimizing for size.
2890 2007-02-16 Richard Guenther <rguenther@suse.de>
2891 Christian Bruel <christian.bruel@st.com>
2893 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
2894 DECLs but prefer SSA_NAMEs over DECLs.
2896 2007-02-16 Richard Guenther <rguenther@suse.de>
2898 * tree-flow-inline.h (single_imm_use_p): Remove.
2899 (zero_imm_uses_p): Likewise.
2900 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
2901 instead of single_imm_use_p.
2902 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
2905 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2908 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
2909 nested double- and backquotes.
2911 2007-02-15 Roger Sayle <roger@eyesopen.com>
2914 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
2915 should be unreachable.
2916 (build2_stat): Allow construction of MODIFY_EXPR at any time.
2917 For the time being redirect GIMPLE_MODIFY_STMT to the new
2918 (renamed) build_gimple_modify_stmt_stat.
2919 (build2_gimple_stat): Rename to...
2920 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
2921 Always build a GIMPLE_MODIFY_STMT node.
2922 * tree.h (build2_gimple, build2_gimple_stat): Delete.
2923 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
2926 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
2927 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
2928 * tree-complex.c (set_component_ssa_name, expand_complex_move,
2929 expand_complex_div_wide): Likewise.
2930 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
2931 * tree-ssa-loop-im.c (schedule_sm): Likewise.
2932 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
2933 * tree-ssa-loop-manip.c (create_iv): Likewise.
2934 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
2935 abs_replacement): Likewise.
2936 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
2937 realify_fake_stores): Likewise.
2939 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
2940 node rather than a GIMPLE_MODIFY_STMT node.
2941 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
2942 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
2944 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
2945 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
2948 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2951 * fold-const.c (fold_comparison): Add back the
2952 folding of constant complex comparisions.
2954 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2957 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
2958 effects unknown to this function, return early.
2960 2007-02-15 Ian Lance Taylor <iant@google.com>
2962 * lower-subreg.c (move_eh_region_note): New static function.
2963 (resolve_simple_move): Call it.
2964 (decompose_multiword_subregs): Track blocks for which we resolve a
2965 simple move which is also a control flow insn. Pass them to
2966 find_many_sub_basic_blocks.
2967 (pass_lower_subreg): Add TODO_verify_flow.
2968 (pass_lower_subreg2): Likewise.
2970 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
2971 Brooks Moses <brooks.moses@codesourcery.com>
2972 Lee Millward <lee.millward@codesourcery.com>
2974 * tree.h (enum tree_code_class): Add tcc_vl_exp.
2975 (VL_EXP_CLASS_P): New.
2976 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
2978 (TREE_OPERAND_CHECK_CODE): Likewise.
2979 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
2980 (TREE_RTL_OPERAND_CHECK): Likewise.
2981 (tree_operand_check_failed): Make second parameter the whole tree
2982 instead of its code. Fixed callers.
2983 (VL_EXP_CHECK): New.
2984 (TREE_OPERAND_LENGTH): New.
2985 (VL_EXP_OPERAND_LENGTH): New.
2986 (CALL_EXPR_FN): New.
2987 (CALL_EXPR_STATIC_CHAIN): New.
2988 (CALL_EXPR_ARGS): New.
2989 (CALL_EXPR_ARG): New.
2990 (call_expr_nargs): New.
2991 (CALL_EXPR_ARGP): New.
2992 (build_nt_call_list): Declare.
2993 (build_vl_exp_stat): Declare.
2994 (build_vl_exp): New.
2995 (build_call_list): Declare.
2996 (build_call_nary): Declare.
2997 (build_call_valist): Declare.
2998 (build_call_array): Declare.
2999 (call_expr_arg): Declare.
3000 (call_expr_argp): Declare.
3001 (call_expr_arglist): Declare.
3002 (fold_build_call_list): Declare.
3003 (fold_build_call_list_initializer): Declare.
3004 (fold_call_expr): Declare to replace fold_builtin.
3005 (fold_builtin_fputs): Update to agree with modified definition.
3006 (fold_builtin_strcpy): Likewise.
3007 (fold_builtin_strncpy): Likewise.
3008 (fold_builtin_memory_chk): Likewise.
3009 (fold_builtin_stxcpy_chk): Likewise.
3010 (fold_builtin_strncpy_chk): Likewise.
3011 (fold_builtin_next_arg): Likewise.
3012 (fold_build_call_expr): Declare.
3013 (fold_builtin_call_list): Declare.
3014 (fold_builtin_call_valist): Declare.
3015 (build_call_expr): Declare.
3016 (validate_arglist): Update to agree with modified definition.
3017 (tree_operand_length): New.
3018 (call_expr_arg_iterator): New.
3019 (init_call_expr_arg_iterator): New.
3020 (next_call_expr_arg): New.
3021 (first_call_expr_arg): New.
3022 (more_call_expr_args_p): New.
3023 (FOR_EACH_CALL_EXPR_ARG): New.
3025 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
3026 and tcc_gimple_stmt.
3027 (tree_code_size): Update documentation. Use sizeof (tree) rather
3028 than sizeof (char *).
3029 (tree_size): Likewise. Add case for tcc_vl_exp.
3030 (tree_node_structure): Add case for tcc_vl_exp.
3031 (contains_placeholder_p): Likewise.
3032 (substitute_in_expr): Likewise.
3033 (substitute_placeholder_in_expr): Likewise.
3034 (stabilize_reference_1): Likewise.
3035 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
3036 to diagnose breakage of this interface for constructing CALL_EXPRs.
3037 (build_nt): Add similar assertion here.
3038 (build_nt_call_list): New.
3039 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
3040 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
3042 (get_callee_fndecl): Use new CALL_EXPR accessors.
3043 (tree_operand_check_failed): Change parameters to pass entire node
3044 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
3045 (process_call_operands): New.
3046 (build_vl_exp_stat): New.
3047 (build_call_list): New.
3048 (build_call_nary): New.
3049 (build_call_valist): New.
3050 (build_call_array): New.
3051 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3052 (call_expr_arglist): New.
3054 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
3055 tcc_vl_exp instead of a fixed-size tcc_expression.
3057 * doc/c-tree.texi (CALL_EXPR): Document new representation and
3058 accessors for CALL_EXPRs.
3059 (AGGR_INIT_EXPR): Likewise.
3061 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3062 Brooks Moses <brooks.moses@codesourcery.com>
3063 Lee Millward <lee.millward@codesourcery.com>
3065 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
3066 (expand_builtin_nonlocal_goto): Change parameter to be entire
3067 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
3068 (expand_builtin_prefetch): Likewise.
3069 (expand_builtin_classify_type): Likewise.
3070 (mathfn_built_in): Return NULL_TREE instead of 0.
3071 (expand_errno_check): Use new CALL_EXPR accessors.
3072 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
3073 Return NULL_RTX instead of 0.
3074 (expand_builtin_mathfn_2): Likewise.
3075 (expand_builtin_mathfn_3): Likewise.
3076 (expand_builtin_interclass_mathfn): Likewise.
3077 (expand_builtin_sincos): Likewise.
3078 (expand_builtin_cexpi): Likewise.
3079 (expand_builtin_int_roundingfn): Likewise.
3080 (expand_builtin_int_roundingfn_2): Likewise.
3081 (expand_builtin_pow): Likewise.
3082 (expand_builtin_powi): Likewise.
3083 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
3084 of arglist, fixing callers appropriately. Use new CALL_EXPR
3085 accessors and constructors. Return NULL_RTX instead of 0.
3086 (expand_builtin_strstr): Likewise.
3087 (expand_builtin_strchr): Likewise.
3088 (expand_builtin_strrchr): Likewise.
3089 (expand_builtin_strpbrk): Likewise.
3090 (expand_builtin_memcpy): Likewise.
3091 (expand_builtin_mempcpy): Likewise.
3092 (expand_builtin_mempcpy_args): New.
3093 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
3094 (expand_builtin_memmove_args): New.
3095 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
3096 (expand_movstr): Likewise.
3097 (expand_builtin_strcpy): Likewise.
3098 (expand_builtin_strcpy_args): New.
3099 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
3100 (expand_builtin_strncpy): Likewise.
3101 (expand_builtin_memset): Likewise.
3102 (expand_builtin_memset_args): New.
3103 (expand_builtin_bzero): Similarly to expand_builtin_memset.
3104 (expand_builtin_memcmp): Likewise.
3105 (expand_builtin_strcmp): Likewise.
3106 (expand_builtin_strncmp): Likewise.
3107 (expand_builtin_strcat): Likewise.
3108 (expand_builtin_strncat): Likewise.
3109 (expand_builtin_strspn): Likewise.
3110 (expand_builtin_strcspn): Likewise.
3111 (expand_builtin_args_info): Likewise.
3112 (expand_builtin_va_start): Likewise.
3113 (gimplify_va_arg_expr): Likewise.
3114 (expand_builtin_va_end): Likewise.
3115 (expand_builtin_va_copy): Likewise.
3116 (expand_builtin_frame_address): Likewise.
3117 (expand_builtin_alloca): Likewise.
3118 (expand_builtin_bswap): Likewise.
3119 (expand_builtin_unop): Likewise.
3120 (expand_builtin_fputs): Likewise.
3121 (expand_builtin_expect): Likewise.
3122 (expand_builtin_fabs): Likewise.
3123 (expand_builtin_copysign): Likewise.
3124 (expand_builtin_printf): Likewise.
3125 (expand_builtin_fprintf): Likewise.
3126 (expand_builtin_sprintf): Likewise.
3127 (expand_builtin_init_trampoline): Likewise.
3128 (expand_builtin_signbit): Likewise.
3129 (expand_builtin_fork_or_exec): Likewise.
3130 (expand_builtin_sync_operation): Likewise.
3131 (expand_builtin_compare_and_swap): Likewise.
3132 (expand_builtin_lock_test_and_set): Likewise.
3133 (expand_builtin_lock_release): Likewise.
3134 (expand_builtin): Likewise.
3135 (builtin_mathfn_code): Likewise.
3137 (fold_builtin_constant_p): Pass call arguments individually instead
3138 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
3139 accessors and constructors. Return NULL_TREE instead of 0.
3140 (fold_builtin_expect): Likewise.
3141 (fold_builtin_classify_type): Likewise.
3142 (fold_builtin_strlen): Likewise.
3143 (fold_builtin_nan): Likewise.
3144 (integer_valued_real_p): Likewise.
3145 (fold_trunc_transparent_mathfn): Likewise.
3146 (fold_fixed_mathfn): Likewise.
3147 (fold_builtin_cabs): Likewise.
3148 (fold_builtin_sqrt): Likewise.
3149 (fold_builtin_cbrt): Likewise.
3150 (fold_builtin_cos): Likewise.
3151 (fold_builtin_cosh): Likewise.
3152 (fold_builtin_tan): Likewise.
3153 (fold_builtin_sincos): Likewise.
3154 (fold_builtin_cexp): Likewise.
3155 (fold_builtin_trunc): Likewise.
3156 (fold_builtin_floor): Likewise.
3157 (fold_builtin_ceil): Likewise.
3158 (fold_builtin_round): Likewise.
3159 (fold_builtin_int_roundingfn): Likewise.
3160 (fold_builtin_bitop): Likewise.
3161 (fold_builtin_bswap): Likewise.
3162 (fold_builtin_logarithm): Likewise.
3163 (fold_builtin_hypot): Likewise.
3164 (fold_builtin_pow): Likewise.
3165 (fold_builtin_powi): Likewise.
3166 (fold_builtin_exponent): Likewise.
3167 (fold_builtin_memset): Likewise.
3168 (fold_builtin_bzero): Likewise.
3169 (fold_builtin_memory_op): Likewise.
3170 (fold_builtin_bcopy): Deleted; call site changed to invoke
3171 fold_builtin_memory_op directly.
3172 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
3173 (fold_builtin_strncpy): Likewise.
3174 (fold_builtin_memcmp): Likewise.
3175 (fold_builtin_strcmp): Likewise.
3176 (fold_builtin_strncmp): Likewise.
3177 (fold_builtin_signbit): Likewise.
3178 (fold_builtin_copysign): Likewise.
3179 (fold_builtin_isascii): Likewise.
3180 (fold_builtin_toascii): Likewise.
3181 (fold_builtin_isdigit): Likewise.
3182 (fold_builtin_fabs): Likewise.
3183 (fold_builtin_abs): Likewise.
3184 (fold_builtin_fmin_fmax): Likewise.
3185 (fold_builtin_carg): Likewise.
3186 (fold_builtin_classify): Likewise.
3187 (fold_builtin_unordered_cmp): Likewise.
3189 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
3190 New functions split out from fold_builtin_1.
3191 (fold_builtin_n): New.
3192 (fold_builtin_varargs): New.
3193 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
3195 (fold_call_expr): New.
3196 (build_function_call_expr): Rewrite to use new helper function.
3197 (fold_builtin_call_list): New.
3198 (build_call_expr): New.
3199 (fold_builtin_call_valist): New.
3200 (rewrite_call_expr): New.
3201 (validate_arg): New.
3202 (validate_arglist): Change parameter to be entire CALL_EXPR instead
3203 of an arglist. Change return type to bool. Use new CALL_EXPR
3206 (fold_builtin_strstr): Pass call arguments individually instead
3207 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
3208 accessors and constructors. Return NULL_TREE instead of 0.
3209 (fold_builtin_strchr): Likewise.
3210 (fold_builtin_strrchr): Likewise.
3211 (fold_builtin_strpbrk): Likewise.
3212 (fold_builtin_strcat): Likewise.
3213 (fold_builtin_strncat): Likewise.
3214 (fold_builtin_strspn): Likewise.
3215 (fold_builtin_strcspn): Likewise.
3216 (fold_builtin_fputs): Likewise.
3217 (fold_builtin_next_arg): Likewise.
3218 (fold_builtin_sprintf): Likewise.
3220 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
3221 NULL_RTX instead of 0.
3222 (expand_builtin_memory_chk): Likewise.
3223 (maybe_emit_chk_warning): Likewise.
3224 (maybe_emit_sprintf_chk_warning): Likewise.
3226 (fold_builtin_object_size): Pass call arguments individually instead
3227 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
3228 accessors and constructors. Return NULL_TREE instead of 0.
3229 (fold_builtin_memory_chk): Likewise.
3230 (fold_builtin_stxcpy_chk): Likewise.
3231 (fold_builtin_strncpy_chk): Likewise.
3232 (fold_builtin_strcat_chk): Likewise.
3233 (fold_builtin_strcat_chk): Likewise.
3234 (fold_builtin_strncat_chk): Likewise.
3235 (fold_builtin_sprintf_chk): Likewise.
3236 (fold_builtin_snprintf_chk): Likewise.
3237 (fold_builtin_printf): Likewise.
3238 (fold_builtin_vprintf): Likewise.
3240 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
3242 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
3243 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3244 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
3245 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
3246 (fold_unary): Likewise.
3247 (fold_binary): Likewise.
3248 (fold_ternary): Remove CALL_EXPR case, since they are no longer
3249 ternary expressions.
3250 (fold): Add logic for tcc_vl_exp.
3251 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
3252 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3253 (fold_build3_stat): Add assertion to flag broken interface for
3254 constructing CALL_EXPRs.
3255 (fold_build_call_list): New.
3256 (fold_build_call_list_initializer): New.
3257 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
3259 (fold_strip_sign_ops): Likewise.
3261 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3262 Brooks Moses <brooks.moses@codesourcery.com>
3263 Lee Millward <lee.millward@codesourcery.com>
3265 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
3266 accessors and dump arguments explicitly.
3268 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
3270 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
3272 (print_call_name): Use new CALL_EXPR accessors.
3274 * print-tree.c (print_node): Add case tcc_vl_exp. Print
3275 CALL_EXPR arguments explicitly instead of as a list. Use
3276 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3278 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
3279 (vrp_visit_stmt): Likewise.
3281 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
3282 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
3284 (force_move_till_expr): Likewise.
3286 * targhooks.c (default_external_stack_protect_fail): Use
3287 build_call_expr instead of build_function_call_expr.
3288 (default_hidden_stack_protect_fail): Likewise.
3290 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
3293 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
3294 and walk arguments explicitly.
3296 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
3297 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3298 (expand_simple_operations): Likewise.
3299 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
3301 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
3302 of TREE_CODE_LENGTH.
3303 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
3305 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
3306 instead of TREE_CODE_LENGTH.
3308 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
3309 (tree_ic_transform): Likewise.
3310 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
3311 parameter instead of arglist. Fix callers.
3312 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
3313 (tree_stringops_transform): Likewise.
3314 (tree_indirect_call_to_profile): Likewise.
3315 (tree_stringops_values_to_profile): Likewise.
3317 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
3318 (eliminate_tail_call): Likewise.
3320 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
3322 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
3323 Use TREE_OPERAND_LENGTH and generalize to handle any number of
3325 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
3327 * omp-low.c (build_omp_barrier): Use build_call_expr.
3328 (lower_rec_input_clauses): Likewise.
3329 (lower_reduction_clauses): Likewise.
3330 (expand_parallel_call): Likewise.
3331 (maybe_catch_exception): Likewise.
3332 (expand_omp_for_generic): Likewise.
3333 (expand_omp_for_static_nochunk): Likewise.
3334 (expand_omp_sections): Likewise.
3335 (lower_omp_single_simple): Likewise.
3336 (lower_omp_single_copy): Likewise.
3337 (lower_omp_master): Likewise.
3338 (lower_omp_ordered): Likewise.
3339 (lower_omp_critical): Likewise.
3341 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
3342 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
3344 * tree-gimple.c (is_gimple_call_addr): Fix doc.
3345 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
3346 TREE_CODE_LENGTH. Add tcc_vl_exp case.
3348 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
3349 and generalize to handle any number of operands.
3350 (chrec_contains_undetermined): Likewise.
3351 (tree_contains_chrecs): Likewise.
3352 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
3354 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
3356 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
3357 fold_call_expr instead of fold_builtin.
3358 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
3359 match declarations there.
3360 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
3363 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
3364 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3366 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
3367 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
3369 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
3372 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
3373 (execute_cse_sincos): Use new CALL_EXPR accessors.
3375 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
3377 * gimple-low.c (lower_function_body): Use build_call_expr.
3378 (lower_builtin_setjmp): Likewise.
3380 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
3381 (set_storage_via_libcall): Likewise.
3382 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
3383 instead of TREE_CODE_LENGTH.
3384 (expand_expr_real_1): Use new CALL_EXPR accessors.
3386 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
3387 generalize to handle any number of operands.
3388 (TB_parent_eq): Likewise.
3390 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
3391 (strip_builtin_expect): Likewise.
3393 * function.c (gimplify_parameters): Use build_call_expr.
3395 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
3396 instead of TREE_CODE_LENGTH.
3398 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
3399 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
3401 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
3404 * gimplify.c (build_stack_save_restore): Use build_call_expr.
3405 (gimplify_decl_expr): Likewise.
3406 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
3407 Use new CALL_EXPR iterators.
3408 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
3409 (gimplify_modify_expr_to_memset): Likewise.
3410 (gimplify_variable_sized_compare): Likewise.
3411 (gimplify_omp_atomic_fetch_op): Likewise.
3412 (gimplify_omp_atomic_pipeline): Likewise.
3413 (gimplify_omp_atomic_mutex): Likewise.
3414 (gimplify_function_tree): Likewise.
3416 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
3417 (call_expr_flags): Likewise.
3418 (expand_call): Likewise.
3420 * except.c (expand_builtin_eh_return_data_regno): Pass entire
3421 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
3424 * coverage.c (create_coverage): Use build_call_expr.
3426 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
3427 (temp_call_expr_obstack): New.
3428 (pool_copy_list): Delete.
3429 (temp_copy_call_expr): New.
3430 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
3431 CALL_EXPR accessors. Get rid of special goo for copying argument
3432 lists and use temp_copy_call_expr instead.
3433 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
3434 CALL_EXPR accessors.
3435 (create_expression_by_pieces): Likewise. Use build_call_array
3436 to construct the result instead of fold_build3.
3437 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
3438 dealing with argument lists.
3439 (init_pre): Remove references to expression_node_pool and
3440 list_node_pool. Init temp_call_expr_obstack instead.
3441 (fini_pre): Remove references to expression_node_pool and
3444 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
3445 and walk arguments explicitly instead of as a list.
3447 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
3448 (mx_register_decls): Likewise.
3449 (mudflap_register_call): Likewise.
3450 (mudflap_finish_file): Likewise.
3452 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
3453 (ipa_callsite_compute_param): Likewise.
3455 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
3456 accessors and constructor.
3458 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
3459 accessors and constructor.
3460 (convert_tramp_reference): Likewise.
3461 (convert_call_expr): Likewise.
3462 (finalize_nesting_tree_1): Likewise.
3464 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
3467 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
3469 * tree-inline.c (initialize_inlined_parameters): Pass entire
3470 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
3472 (estimate_num_insns_1): Use new CALL_EXPR accessors.
3473 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
3475 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
3476 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3477 (vectorizable_reduction): Likewise.
3478 (vectorizable_call): Use new CALL_EXPR iterators.
3479 (vectorizable_conversion): Use build_call_expr.
3480 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
3481 (vect_gen_widened_results_half): Use build_call_expr.
3482 (vect_setup_realignment): Likewise.
3483 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
3485 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
3486 (pass_through_call): Likewise.
3487 (compute_object_sizes): Likewise. Use fold_call_expr instead of
3490 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
3491 (tree_gen_pow2_profiler): Likewise.
3492 (tree_gen_one_value_profiler): Likewise.
3493 (tree_gen_ic_func_profiler): Likewise.
3494 (tree_gen_average_profiler): Likewise.
3495 (tree_gen_ior_profiler): Likewise.
3497 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
3498 (find_func_aliases): Use new CALL_EXPR accessors. Add case
3499 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3501 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
3502 of TREE_CODE_LENGTH.
3504 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
3505 of TREE_CODE_LENGTH.
3507 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
3509 (convert_to_integer): Likewise.
3511 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
3514 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3515 Brooks Moses <brooks.moses@codesourcery.com>
3516 Lee Millward <lee.millward@codesourcery.com>
3518 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
3520 * config/frv/frv.c (frv_expand_builtin): Likewise.
3521 * config/s390/s390.c (s390_expand_builtin): Likewise.
3523 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
3524 (sparc_expand_builtin): Use new CALL_EXPR accessors.
3526 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
3527 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
3528 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
3529 (ix86_expand_store_builtin): Likewise.
3530 (ix86_expand_unop_builtin): Likewise.
3531 (ix86_expand_unop1_builtin): Likewise.
3532 (ix86_expand_sse_compare): Likewise.
3533 (ix86_expand_sse_comi): Likewise.
3534 (ix86_expand_vec_init_builtin): Likewise.
3535 (ix86_expand_vec_ext_builtin): Likewise.
3536 (ix86_expand_vec_set_builtin): Likewise.
3537 (ix86_expand_builtin): Use new CALL_EXPR accessors.
3539 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
3540 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
3542 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
3543 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
3544 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
3546 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
3548 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
3549 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
3550 arglist. Use new CALL_EXPR accessors. Fix callers.
3551 (altivec_expand_abs_builtin): Likewise.
3552 (rs6000_expand_binop_builtin): Likewise.
3553 (altivec_expand_predicate_builtin): Likewise.
3554 (altivec_expand_lv_builtin): Likewise.
3555 (spe_expand_stv_builtin): Likewise.
3556 (altivec_expand_stv_builtin): Likewise.
3557 (rs6000_expand_ternop_builtin): Likewise.
3558 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
3559 (altivec_expand_st_builtin): Likewise.
3560 (altivec_expand_dst_builtin): Likewise.
3561 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
3562 arglist. Use new CALL_EXPR accessors. Fix callers.
3563 (altivec_expand_vec_set_builtin): Likewise.
3564 (altivec_expand_vec_ext_builtin): Likewise.
3565 (altivec_expand_builtin): Use new CALL_EXPR accessors.
3566 (spe_expand_builtin): Likewise.
3567 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
3568 arglist. Use new CALL_EXPR accessors. Fix callers.
3569 (spe_expand_evsel_builtin): Likewise.
3570 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
3571 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
3573 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
3574 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
3575 (arm_expand_unop_builtin): Likewise.
3576 (arm_expand_builtin): Use new CALL_EXPR accessors.
3578 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
3581 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
3582 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
3583 (bfin_expand_unop_builtin): Likewise.
3584 (bfin_expand_builtin): Use new CALL_EXPR accessors.
3586 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3587 Brooks Moses <brooks.moses@codesourcery.com>
3588 Lee Millward <lee.millward@codesourcery.com>
3590 * c-semantics.c (build_stmt): Add internal diagnostic check.
3592 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
3593 accessors. Print arguments explicitly instead of as a list.
3595 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
3597 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
3598 (c_finish_omp_flish): Likewise.
3600 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
3601 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
3602 instead of TREE_CODE_LENGTH.
3603 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
3604 (c_warn_unused_result): Likewise.
3606 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3609 * doc/invoke.texi (Warning Options): Remove
3610 -Werror-implicit-function-declaration.
3611 (Wimplicit-function-declaration): Update description.
3612 * opts.c (common_handle_option): Move handling of -Werror=* to...
3613 (enable_warning_as_error): ...here.
3614 * opts.h (enable_warning_as_error): Declare.
3615 * c-decl.c (implicit_decl_warning): Unless
3616 -Wno-implicit-function-declaration is given, emit a pedwarn if
3617 -std=c99 or emit a warning if -Wimplicit-function-declaration.
3618 * c.opt (Wimplicit-function-declaration): Replace
3619 mesg_implicit_function_declaration with
3620 warn_implicit_function_declaration.
3621 * c-opts.c (c_common_handle_option):
3622 -Werror-implicit-function-declaration is exactly equal as
3623 -Werror=implicit-function-declaration.
3624 (set_Wimplicit): Replace mesg_implicit_function_declaration with
3625 warn_implicit_function_declaration.
3626 (c_common_post_options): -Wimplict-function-declaration is enabled
3627 by default by -std=c99, otherwise is disabled by default.
3628 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
3630 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
3632 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
3633 DECL on the rhs to a DECL on the lhs for debug info purposes if the
3634 former is ignored but not the latter.
3636 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
3638 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
3639 is made and the reference doesn't use the alias set of its type,
3640 do not create the temporary using that type.
3642 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
3644 * jump.c: Remove prototypes for delete_computation and
3645 delete_prior_computation.
3647 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
3649 * jump.c (get_label_after): Delete.
3650 (get_label_before, delete_computation, delete_jump,
3651 delete_prior_computation, follow_jumps): Move...
3652 * reorg.c (delete_computation, delete_prior_computation): ... here...
3653 (get_label_before, delete_jump): ... making these static ...
3654 (follow_jumps): ... and simplifying this since it only runs after
3656 * rtl.h (get_label_after, get_label_before, delete_jump,
3657 follow_jumps): Delete prototypes.
3659 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
3661 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
3663 2007-02-15 Nick Clifton <nickc@redhat.com>
3665 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
3666 order to prevent it from being munged by the target.
3668 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
3670 * config/i386/i386.md: Remove misleading comment.
3672 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3674 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
3675 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
3678 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3680 * tree-sra.c (instantiate_missing_elements): Canonicalize
3682 (sra_build_assignment): New.
3683 (generate_copy_inout, generate_element_copy,
3684 generate_element_zero, generate_one_element_init): Use it.
3686 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3688 * tree-sra.c (instantiate_missing_elements): Canonicalize
3690 (sra_build_assignment): New.
3691 (generate_copy_inout, generate_element_copy,
3692 generate_element_zero, generate_one_element_init): Use it.
3694 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3696 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
3699 2007-02-14 Joseph Myers <joseph@codesourcery.com>
3701 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
3702 types as aggregates not scalars.
3703 * function.c (assign_stack_temp_for_type): Likewise.
3705 2007-02-14 Roger Sayle <roger@eyesopen.com>
3706 Zdenek Dvorak <dvorakz@suse.cz>
3708 * tree-dump.c (dump_switch_p_1): Require exact match of the option
3711 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3713 * passes.c (next_pass_1): Clear the next field of the copied
3716 2007-02-14 Richard Henderson <rth@redhat.com>
3718 * tree-sra.c (early_sra): New.
3719 (decl_can_be_decomposed_p): Deny va_list if early_sra.
3720 (tree_sra_early, pass_sra_early): New.
3721 * tree-pass.h (pass_sra_early): Declare.
3722 * passes.c (init_optimization_passes): Use it.
3724 2007-02-14 Richard Guenther <rguenther@suse.de>
3726 * flags.h (issue_strict_overflow_warning): Convert to a macro.
3728 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
3730 PR tree-optimization/30771
3731 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
3733 (vect_analyze_operations): Induction phis can now be marked as
3735 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
3736 Update documentation accordingly.
3738 2007-02-14 Nick Clifton <nickc@redhat.com>
3740 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
3741 most 3 arguments are supported.
3742 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
3744 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
3746 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
3747 Ensure dst->current is valid.
3749 2007-02-13 Paul Brook <paul@codesourcery.com>
3751 * config.gcc: Add arm*-*-uclinux-*eabi.
3752 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
3753 (SUBTARGET_EXTRA_LINK_SPEC): Define.
3754 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
3755 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
3756 (LINK_SPEC): Define.
3758 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
3760 * config/arm/uclinux-eabi.h: New file.
3761 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
3762 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
3765 2007-02-13 Ian Lance Taylor <iant@google.com>
3767 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
3768 * flags.h (warn_strict_overflow): Declare.
3769 (enum warn_strict_overflow_code): Define.
3770 (issue_strict_overflow_warning): New static inline function.
3771 * opts.c (warn_strict_overflow): New variable.
3772 (common_handle_option): Handle OPT_Wstrict_overflow and
3773 OPT_Wstrict_overflow_.
3774 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
3776 * fold-const.c: Include intl.h.
3777 (fold_deferring_overflow_warnings): New static variable.
3778 (fold_deferred_overflow_warning): New static variable.
3779 (fold_deferred_overflow_code): New static variable.
3780 (fold_defer_overflow_warnings): New function.
3781 (fold_undefer_overflow_warnings): New function.
3782 (fold_undefer_and_ignore_overflow_warnings): New function.
3783 (fold_deferring_overflow_warnings_p): New function.
3784 (fold_overflow_warning): New static function.
3785 (make_range): Add strict_overflow_p parameter. Change all
3787 (extract_muldiv, extract_muldiv_1): Likewise.
3788 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
3789 tree_expr_nonnegative_p.
3790 (fold_negate_expr): Call fold_overflow_warning.
3791 (fold_range_test): Likewise.
3792 (fold_comparison): Likewise.
3793 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
3794 instead of tree_expr_nonnegative_p.
3795 (tree_expr_nonnegative_warnv_p): Rename from
3796 tree_expr_nonnegative_p, add strict_overflow_p parameter.
3797 (tree_expr_nonnegative_p): New function.
3798 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
3799 strict_overflow_p parameter.
3800 (tree_expr_nonzero_p): New function.
3801 * passes.c (verify_interpass_invariants): New static function.
3802 (execute_one_pass): Call it.
3803 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
3805 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
3806 (estimate_numbers_of_iterations): Likewise.
3807 (scev_probably_wraps_p): Likewise.
3808 * tree-ssa-ccp.c: Include "toplev.h".
3809 (evaluate_stmt): Defer fold overflow warnings until we know we are
3811 (struct fold_stmt_r_data): Add stmt field.
3812 (fold_stmt_r): Defer fold overflow warnings until we know we
3814 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
3815 (fold_stmt_inplace): Likewise.
3816 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
3817 (cleanup_control_expr_graph): Defer fold overflow warnings until
3818 we know we are going to optimize.
3819 * tree-cfg.c (fold_cond_expr_cond): Likewise.
3820 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
3822 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
3823 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
3824 * tree-ssa-loop-manip.c (create_iv): Likewise.
3825 * c-typeck.c (build_conditional_expr): Likewise.
3826 (build_binary_op): Likewise.
3827 * tree-vrp.c (vrp_expr_computes_nonzero): Call
3828 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
3829 (extract_range_from_unary_expr): Likewise.
3830 * simplify-rtx.c (simplify_const_relational_operation): Warn when
3831 assuming that signed overflow does not occur.
3832 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
3833 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
3834 (fold_defer_overflow_warnings): Declare.
3835 (fold_undefer_overflow_warnings): Declare.
3836 (fold_undefer_and_ignore_overflow_warnings): Declare.
3837 (fold_deferring_overflow_warnings_p): Declare.
3838 (tree_expr_nonzero_warnv_p): Declare.
3839 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
3841 (Warning Options): Document -Wstrict-overflow.
3842 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
3843 (tree-ssa-ccp.o): Likewise.
3844 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
3845 (fold-const.o): Depend on intl.h.
3847 2007-02-13 Ian Lance Taylor <iant@google.com>
3850 * lower-subreg.c (resolve_simple_move): Decompose subregs in
3853 2007-02-13 Stuart Hastings <stuart@apple.com>
3855 * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
3857 2007-02-13 Richard Henderson <rth@redhat.com>
3859 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
3860 handled_component_p before looking for the indirect_ref.
3862 2007-02-13 Richard Henderson <rth@redhat.com>
3864 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
3865 remove flags clobber.
3866 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
3867 (bswaphi_lowpart): New.
3868 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
3869 remove TARGET_BSWAP test. Delete expander of the same name.
3871 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
3872 (expand_unop): Use them.
3874 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
3876 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
3877 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
3878 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
3879 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
3880 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
3881 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
3882 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
3883 assembler dialect choice from asm templates.
3885 2007-02-12 Richard Henderson <rth@redhat.com>
3887 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
3888 (fixuns_trunc<SSEMODEF>si2): Use it.
3889 * config/i386/sse.md (vec_setv4sf_0): Export.
3890 * config/i386/i386.c (ix86_build_const_vector): Export.
3891 (ix86_split_convert_uns_si_sse): Rename from
3892 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
3893 * config/i386/i386-protos.h: Update.
3895 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3898 * c-typeck.c (c_finish_return): Improve warning message.
3900 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3902 * alias.c (find_symbolic_term): Delete unused function.
3904 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
3906 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
3907 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
3908 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
3910 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
3912 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
3913 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
3914 the function, temporarily point the debug interface to the null one.
3916 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
3918 * dwarf2out.c (round_up_to_align): New static function.
3919 (field_byte_offset): Use it to round the offset.
3921 2007-02-12 Richard Henderson <rth@redhat.com>
3923 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
3924 (inswl_const): Export.
3926 2007-02-12 Richard Henderson <rth@redhat.com>
3928 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
3929 result mode of the libcall, convert back to outmode.
3931 2007-02-12 Roger Sayle <roger@eyesopen.com>
3933 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
3934 (bswapdi2): New define_expand to implement 32-bit implementation.
3936 2007-02-12 Nick Clifton <nickc@redhat.com>
3938 * doc/invoke.texi (Overall Options): Document --help=.
3939 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
3940 (cc1_options): Pass --help= on to cc1.
3941 (display_help): Add description of --help=.
3942 (process_command): Add code to handle --help=. Allow translated
3943 --help and --target-help switches to be passed on to compiler
3945 (main): Remove unused if statement.
3946 * opts.c (columns): Remove.
3947 (LEFT_COLUMN): Define.
3948 (wrap_help): Add columns argument.
3949 (print_filtered_help): Change parameters to be an include bitmask,
3950 an exclude bitmask, an any bitmask and the column width. Move the
3951 code to display the params list here. Add code to display the
3952 status of options rather than their descriptions if the quiet flag
3954 (print_specific_help): Change parameters to be an include bitmask,
3955 an exclude bitmask and an any bitmask. Move code to look up the
3956 column width here. Decide upon the title for an options listing.
3957 (common_handle_options): Add code to handle --help=. Adapt code
3958 for --help and --target-help to use the revised form of the
3959 print_specific_help function.
3960 (print_help): Delete.
3961 (print_param_help): Delete.
3962 (print_switch): Delete.
3963 * opts.h (cl_lang_count): Add prototype.
3964 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
3965 CL_MAX_OPTION_CLASS): New defines.
3966 * optc-gen.awk: Add construction of cl_lang_count.
3967 * c.opt: Add Warning attribute to warning options and Optimization
3968 attribute to optimization options.
3969 * common.opt: Likewise.
3971 Add -fhelp and -ftarget-help as aliases for the transformed --help
3972 and --target-help options.
3973 * opt-functions.awk: Add code to handle Warning and Optimization
3976 2007-02-12 Richard Henderson <rth@redhat.com>
3978 * config/alpha/constraints.md: New file.
3979 * config/alpha/alpha.c: Include tm-constrs.h.
3980 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
3981 alpha_extra_constraint): Remove.
3982 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
3983 * config/alpha/alpha-protos.h: Update.
3984 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
3985 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
3986 (EXTRA_CONSTRAINT): Remove.
3987 * config/alpha/alpha.md: Include constraints.md.
3988 (adddi splitter): Use satisfies_constraint_*.
3989 * config/alpha/predicates.md (add_operand): Likewise.
3990 (sext_add_operand, addition_operation): Likewise.
3992 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
3994 PR tree-optimization/29145
3995 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
3996 in our handling of restrict qualified pointers.
3998 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4001 * doc/invoke.texi (Wunused-value): Update description.
4002 (Wextra): Delete item.
4003 * opts.c (set_Wextra): Don't use the value of Wextra to set the
4004 value of Wunused-value.
4005 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
4006 (c_finish_stmt_expr): Don't check extra_warnings.
4007 (emit_side_effect_warnings): The caller is responsible to check
4010 2007-02-11 Roger Sayle <roger@eyesopen.com>
4011 Matt Thomas <matt@3am-software.com>
4013 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
4015 2007-02-11 Roger Sayle <roger@eyesopen.com>
4017 * simplify-rtx.c (simplify_relational_operation_1): Optimize
4018 comparisons of POPCOUNT against zero.
4019 (simplify_const_relational_operation): Likewise.
4021 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4023 * doc/invoke.texi (Wextra): Delete outdated paragraph.
4025 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4027 * dwarf2out.c (root_type): Delete unused function.
4029 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4031 * genattrtab.c (contained_in_p): Delete unused function.
4032 (write_expr_attr_cache): Likewise.
4034 2007-02-11 Jan Hubicka <jh@suse.cz>
4036 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
4039 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
4041 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
4042 to add the REG_EQ* note.
4043 * see.c (see_merge_one_use_extension): Likewise.
4044 * local-alloc.c (update_equiv_regs): Likewise. Also don't
4045 turn REG_EQUAL notes into REG_EQUIV notes if the target
4046 register may have more than one set.
4047 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
4048 * gcse.c (try_replace_reg): Likewise.
4049 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
4050 * calls.c (fixup_tail_calls): Likewise. Abort if there is
4051 more than one REG_EQUIV note.
4052 * reload1.c (gen_reload): Use set_unique_reg_note.
4054 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
4056 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
4057 (ix86_builtin_conversion): New function.
4059 2007-02-06 Mark Mitchell <mark@codesourcery.com>
4062 * tree.h (DECL_REPLACEABLE_P): New macro.
4063 * except.c (set_nothrow_function_flags): Likewise.
4065 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
4066 Ira Rosen <irar@il.ibm.com>
4067 Dorit Nuzman <dorit@il.ibm.com>
4069 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
4070 * targhooks.c (default_builtin_vectorized_conversion): New.
4071 * targhooks.h (default_builtin_vectorized_function): New declaration.
4072 * target.h (struct vectorize): Add builtin_conversion field.
4073 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
4074 stmt_vec_info_type value.
4075 (vectorizable_conversion): New declaration.
4076 * tree-vect-analyze.c (vect_analyze_operations): Add
4077 vectorizable_conversion call.
4078 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
4079 * tree-vect-transform.c (vectorizable_conversion): New function.
4080 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
4081 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4083 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
4084 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
4085 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
4086 or ALTIVEC_BUILTIN_VCFSX.
4088 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4091 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
4092 CONST_DOUBLE and operand 0 is a hard register.
4093 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
4094 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
4095 is a hard floating-point register.
4097 2007-02-10 Richard Henderson <rth@redhat.com>
4098 Jakub Jelinek <jakub@redhat.com>
4099 Alexandre Oliva <aoliva@redhat.com>
4101 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
4102 * builtin-types.def (BT_WORD): Make unsigned.
4103 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4104 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4105 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4106 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4107 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4108 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4110 * expr.c (emutls_var_address): New.
4111 (expand_expr_real_1): Expand emulated tls.
4112 (expand_expr_addr_expr_1): Likewise.
4113 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4114 * output.h (emutls_finish): Declare.
4115 * toplev.c (compile_file): Call it.
4116 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4117 address before wrapping in CONST.
4118 * varasm.c (emutls_htab, emutls_object_type): New.
4119 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4120 (get_emutls_object_name, get_emutls_object_type): New.
4121 (get_emutls_init_templ_addr, emutls_decl): New.
4122 (emutls_common_1, emutls_finish): New.
4123 (assemble_variable): When emulating tls, swap decls; generate
4124 constructor for the emutls objects.
4125 (do_assemble_alias): When emulating tls, swap decl and target name.
4126 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4128 * varpool.c (decide_is_variable_needed): Look at force_output.
4129 Recurse for emulated tls.
4130 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
4131 with decide_is_variable_needed.
4132 * emutls.c: New file.
4133 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4134 tls_object for real tls.
4136 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
4138 PR rtl-optimization/29599
4139 * reload1.c (eliminate_regs_in_insn): Take the destination
4140 mode into account when computing the offset.
4142 2007-02-09 Stuart Hastings <stuart@apple.com>
4143 Richard Henderson <rth@redhat.com>
4145 * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
4146 * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
4147 * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
4148 fixuns_truncdfhi2): New.
4149 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
4150 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
4151 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
4152 (floatunssidf2): Allow nonimmediate source.
4153 * gcc/config/i386/sse.md (movdi_to_sse): New.
4154 (vec_concatv2di): Drop '*'.
4155 * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
4156 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
4157 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
4159 * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
4160 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
4161 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
4162 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
4163 (ix86_build_signbit_mask): Fix decl of v, refactor to call
4164 ix86_build_const_vector.
4165 (x86_emit_floatuns): Rewrite.
4167 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4169 * genautomata.c (longest_path_length): Delete unused function.
4170 (struct state): Delete unused longest_path_length.
4171 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
4172 (get_free_state): Delete unused.
4174 2007-02-09 Jan Hubicka <jh@suse.cz>
4176 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
4177 * doc/invoke.texi (inline-unit-growth): Update default value.
4179 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
4180 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
4181 (rebuild_cgraph_edges): Likewise.
4182 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
4183 (dump_cgraph_node): Dump frequencies.
4184 (cgraph_clone_edge): Add frequency scales.
4185 (cgraph_clone_node): Add freuqnecy.
4186 * cgraph.h (cgraph_edge): Add freuqnecy argument.
4187 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
4188 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
4189 * tree-pass.h (TODO_rebuild_frequencies): New constant.
4190 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
4191 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
4192 (save_inline_function_body): Likewise.
4193 * ipa-inline.c: inluce rtl.h
4194 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
4195 (cgraph_edge_badness): Use frequencies.
4196 (cgraph_decide_recursive_inlining): Update clonning.
4197 (cgraph_decide_inlining_of_small_function): Dump frequency.
4198 * predict.c (estimate_bb_frequencies): Export.
4199 * predict.h (estimate_bb_frequencies): Declare.
4200 * tree-inline.c (copy_bb): Watch overflows.
4201 (expand_call_inline): Update call of cgraph_create_edge.
4202 (optimize_inline_calls): Use TODO flags to update frequnecies.
4203 * passes.h: Include predict.h
4204 (init_optimization_passes): Move profile ahead.
4205 (execute_function_todo): Handle TODO_rebuild_frequencies.
4207 2007-02-09 Roger Sayle <roger@eyesopen.com>
4209 * config/alpha/alpha.c (emit_insxl): Force the first operand of
4210 the insbl or inswl pattern into a register.
4212 2007-02-09 Roger Sayle <roger@eyesopen.com>
4214 * config/ia64/ia64.md (bswapdi2): New define_insn.
4216 2007-02-09 Richard Henderson <rth@redhat.com>
4218 * config/i386/constraints.md (Ym): New constraint.
4219 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
4220 (movdi_1_rex64): Split sse and xmm general register moves from
4221 memory move alternatives. Use conditional register constraints.
4222 (movsf_1, movdf_integer): Likewise.
4223 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4224 (movdf_integer_rex64): New.
4225 (pushsf_rex64): Fix output constraints.
4226 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
4227 (sse2_stored): Likewise.
4228 (sse2_storeq_rex64): New.
4229 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
4230 amd and not generic.
4231 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
4232 for optimize_size. Remove SF/DFmode hack.
4234 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
4236 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
4239 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
4240 Richard Sandiford <richard@codesourcery.com>
4242 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
4243 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
4244 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
4245 m68k/t-mlib to tmake_file.
4246 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
4247 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
4248 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
4249 Allow it to be cf or m68k. Set m68k_arch_family. If that
4250 variable is not empty, add t-$m68k_arch_family to tmake_file.
4251 Add t-mlibs to tmake_file.
4252 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
4253 * config/m68k/t-cf: New file.
4254 * config/m68k/t-m68k: Likewise.
4255 * config/m68k/t-mlibs: Likewise.
4256 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4257 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4258 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
4259 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4260 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
4262 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
4263 (INSTALL_LIBGCC): Delete.
4264 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
4265 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4266 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4267 (M68K_MLIB_CPU): Define.
4268 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4269 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4270 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
4272 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4273 Richard Guenther <rguenther@suse.de>
4276 * fold-const.c (fold_comparison): Handle obfuscated comparisons
4277 against INT_MIN/INT_MAX.
4278 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
4279 file if a loop is removed.
4281 2007-02-09 Joseph Myers <joseph@codesourcery.com>
4283 * calls.c (store_one_arg): Pass correct alignment to
4284 emit_push_insn for non-BLKmode values.
4285 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
4286 unaligned stack slot via a suitably aligned slot.
4288 2007-02-08 DJ Delorie <dj@redhat.com>
4290 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
4292 (legal_subregs): Use unsigned char, make const.
4293 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
4295 2007-02-08 Paul Brook <paul@codesourcery.com>
4297 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
4298 special interworking needed.
4300 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
4302 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
4303 conditional to __SSE2__.
4304 (Entries below should have been added to first ChangeLog
4305 entry for amdfam10 dated 2007-02-05)
4306 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
4308 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
4310 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
4313 2007-02-08 DJ Delorie <dj@redhat.com>
4315 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
4316 * config/m32c/m32c.c (legal_subregs): New.
4317 (m32c_illegal_subreg_p): New.
4318 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
4319 unsupported subregs of hard regs.
4321 2007-02-08 Jan Hubicka <jh@suse.cz>
4323 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
4324 the same one; always update histograms.
4326 2007-02-08 Diego Novillo <dnovillo@redhat.com>
4328 * passes.c (init_optimization_passes): Tidy comment.
4330 2007-02-08 Roger Sayle <roger@eyesopen.com>
4332 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
4333 strip zero_extend, bswap and rotates from POCOUNT's argument.
4334 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
4335 zero_extend and rotates from PARITY's argument.
4336 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
4337 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
4338 of an integer constant at compile-time.
4340 2007-02-08 Diego Novillo <dnovillo@redhat.com>
4343 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
4345 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
4348 * tree-ssa-live.c (remove_unused_locals): Do not remove
4349 TREE_ADDRESSABLE variables.
4350 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
4351 * tree-ssa-operands.c (add_virtual_operand): Remove argument
4352 FOR_CLOBBER. Update all users.
4353 If VAR has an associated alias set, add a virtual operand for
4354 it if no alias is found to conflict with the memory reference.
4356 2007-02-07 Jan Hubicka <jh@suse.cz>
4357 Robert Kidd <rkidd@crhc.uiuc.edu>
4359 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
4361 2007-02-07 Ian Lance Taylor <iant@google.com>
4363 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
4365 2007-02-07 Roger Sayle <roger@eyesopen.com>
4367 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
4368 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
4369 tablejumpdi, movsi_to_cr_one): Remove constraints from
4370 define_expand's match_operands.
4372 2007-02-07 Roger Sayle <roger@eyesopen.com>
4374 * global.c (compute_regsets): Move declatation of "i" inside of
4375 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
4377 2007-02-07 Jakub Jelinek <jakub@redhat.com>
4380 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
4381 of INDIRECT_REF <RESULT_DECL>.
4383 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
4385 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
4386 Kaz Kojima <kkojima@gcc.gnu.org>
4389 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
4391 (sh_initialize_trampoline): Add parentheses to avoid a warning.
4393 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4395 * doc/loop.texi: Document possibility not to perform disambiguation
4396 of loops with multiple latches.
4397 * cfgloopmanip.c (alp_enum_p): Removed.
4398 (add_loop): Handle subloops. Use get_loop_body_with_size.
4399 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
4400 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
4401 the new forwarder block.
4402 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
4403 Handle the case latch is NULL.
4404 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
4405 when marking loop exits.
4406 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
4408 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
4409 disambiguate_loops_with_multiple_latches.
4410 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
4411 before fix_loop_structure.
4412 * cfgloop.c: Include pointer-set.h and output.h.
4413 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
4414 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
4415 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
4416 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
4417 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
4418 disambiguate_multiple_latches, get_loop_body_with_size,
4419 disambiguate_loops_with_multiple_latches): New functions.
4420 (flow_loop_dump): Dump multiple latch edges.
4421 (flow_loop_nodes_find): Handle loops with multiple latches.
4422 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
4423 (glb_enum_p): Modified.
4424 (get_loop_body): Use get_loop_body_with_size.
4425 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
4426 (AVOID_CFG_MODIFICATIONS): New constant.
4427 (disambiguate_loops_with_multiple_latches, add_loop,
4428 get_loop_body_with_size): Declare.
4429 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
4431 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
4434 * global.c (compute_regsets): New function.
4435 (global_alloc): Refactored ELIMINABLE_REGSET
4436 and NO_GLOBAL_ALLOC_REGS computation out.
4437 (rest_of_handle_global_alloc): Call compute_regsets()
4438 for non-optimizing case.
4440 2007-02-06 Richard Henderson <rth@redhat.com>
4442 * config/i386/constraints.md (Y2): Rename from Y.
4443 (Yi): New constraint.
4444 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
4445 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
4446 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
4447 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
4448 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
4449 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
4450 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
4451 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
4452 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
4453 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
4454 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
4455 vec_extractv2si_1): Change Y constraints to Y2.
4456 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
4457 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
4458 Change Y constraints to Y2.
4459 (sse2_loadld): Change Y constraints to x.
4461 2007-02-06 Roger Sayle <roger@eyesopen.com>
4463 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
4464 (parity<mode>2): New define_expand using rs6000_emit_parity.
4465 * config/rs6000/rs6000.c (rs6000_emit_popcount,
4466 rs6000_emit_parity): New functions.
4467 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
4468 rs6000_emit_parity): Prototype here.
4470 2007-02-06 Ian Lance Taylor <iant@google.com>
4472 * lower-subreg.c (simple_move_operand): Reject CONST.
4473 (resolve_clobber): Call validate_change rather than directly
4474 assigning to XEXP (pat, 0).
4476 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
4478 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
4479 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
4480 (tree-cfg.o): Remove hashtab.h dependency.
4482 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
4483 (struct ivopts_data): Change niters to pointer_map_t.
4484 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
4485 (niter_for_exit): Create pointer_map on demand. Change for
4487 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
4488 (free_loop_data): Destroy data->niters if created and reset field.
4489 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
4490 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
4492 * tree-ssa-reassoc.c: Include pointer-set.h.
4493 (bb_rank): Change to long *.
4494 (operand_rank): Change to pointer_map_t.
4495 (find_operand_rank): Return long, -1 if not found. Declare as inline.
4496 (insert_operand_rank): Accept long.
4497 (operand_entry_hash, operand_entry_eq): Remove.
4498 (get_rank): Return long. Adjust for changes above.
4499 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
4501 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
4503 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
4504 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
4505 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
4507 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
4508 directly since it cannot be NULL.
4509 (get_vi_for_tree): Rewrite for pointer_map API.
4510 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
4511 (init_alias_vars): Create vi_for_tree as pointer_map.
4512 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
4514 * tree-cfg.c: Don't include hashtab.h.
4515 (edge_to_cases): Declare as pointer_map.
4516 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
4518 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
4519 (start_recording_case_labels): Create edge_to_cases as pointer_map.
4520 (end_recoding_case_labels): Cleanup edge_to_cases manually before
4522 (record_switch_edge): Delete.
4523 (get_cases_for_edge): Adjust for pointer_map API, inline
4524 record_switch_edge (rewritten for new API), remove goto.
4526 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
4528 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
4529 * tree-nested.c: Include pointer-set.h.
4530 (var_map_elt, var_map_eq, var_map_hash): Delete.
4531 (struct nesting_info): Remove GTY marker. Change the two htab_t's
4533 (nesting_info_bitmap_obstack): New.
4534 (lookup_field_for_decl): Adjust for pointer_map API.
4535 (lookup_tramp_for_decl): Adjust for pointer_map API.
4536 (get_nonlocal_debug_decl): Adjust for pointer_map API.
4537 (get_local_debug_decl): Adjust for pointer_map API.
4538 (convert_nl_goto_reference): Adjust for pointer_map API.
4539 (convert_nl_goto_receiver): Adjust for pointer_map API.
4540 (create_nesting_tree): Create outside GGC space. Create bitmap on
4541 the new obstack. Create field_map and var_map as pointer_maps.
4542 (free_nesting_tree): Adjust for changes to create_nesting_tree.
4544 (lower_nested_functions): Move root here, no need to NULL it.
4545 Initialize and release the obstack.
4547 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
4549 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
4550 Remove prototypes and make them non-static.
4551 (struct tree_int_map): Remove.
4552 * tree.h (struct tree_int_map): Move here, turning TO into an
4554 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
4556 * tree.h (TREE_COMPLEXITY): Remove.
4557 (struct tree_exp): Remove complexity field.
4558 * tree.c (build1_stat): Don't set it.
4560 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
4561 Victor Kaplansky <victork@il.ibm.com>
4563 * tree-vectorizer.c (vect_is_simple_use): Support induction.
4564 (vect_is_simple_reduction): Support reduction with induction as
4565 one of the operands.
4566 (vect_is_simple_iv_evolution): Fix formatting.
4567 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
4568 formatting. Don't mark induction phis for vectorization.
4569 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
4570 * tree-vect-transform.c (get_initial_def_for_induction): New function.
4571 (vect_get_vec_def_for_operand): Support induction.
4572 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
4574 (vectorizable_reduction): Support reduction with induction as one of
4576 (vectorizable_type_demotion): Use def-type of stmt argument rather
4577 than dummy def-type.
4579 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
4580 flag_tree_scev_cprop.
4581 * common.opt (tree-scev-cprop): New flag.
4583 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
4584 call to vect_get_new_vect_var.
4586 2007-02-06 Ira Rosen <irar@il.ibm.com>
4588 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
4589 vectype is not NULL.
4590 (vect_pattern_recog_1): Likewise.
4592 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4594 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
4595 (fold_negate_expr): Likewise.
4597 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
4600 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
4601 even if cv-qualification is the same.
4603 2007-02-05 Geoffrey Keating <geoffk@apple.com>
4605 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
4606 __enable_execute_stack on completion.
4608 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4610 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
4611 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
4612 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
4613 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
4614 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
4615 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
4616 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
4617 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
4619 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4621 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
4622 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
4623 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
4624 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
4625 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
4626 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
4627 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
4628 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
4629 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
4630 umuldi3_highpart_rex64, umulsi3_highpart_insn,
4631 umulsi3_highpart_zext, smuldi3_highpart_rex64,
4632 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
4633 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
4634 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
4635 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
4636 sqrtextenddfxf2_i387): Added amdfam10_decode.
4638 * config/i386/athlon.md (athlon_idirect_amdfam10,
4639 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
4640 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
4641 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
4642 athlon_ivector_store_amdfam10): New define_insn_reservation.
4643 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
4646 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4648 * config/i386/athlon.md (athlon_call_amdfam10,
4649 athlon_pop_amdfam10, athlon_lea_amdfam10): New
4650 define_insn_reservation.
4651 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
4652 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
4653 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
4655 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4657 * config/i386/athlon.md (athlon_sseld_amdfam10,
4658 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
4659 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
4661 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4663 * config/i386/athlon.md (athlon_sseins_amdfam10): New
4664 define_insn_reservation.
4665 * config/i386/i386.md (sseins): Added sseins to define_attr type
4666 and define_attr unit.
4667 * config/i386/sse.md: Set type attribute to sseins for insertq
4670 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4672 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
4673 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
4674 ssecomi_load_amdfam10, ssecomi_amdfam10,
4675 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
4676 define_insn_reservation.
4677 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
4679 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4681 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
4682 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
4683 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
4684 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
4685 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
4686 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
4687 define_insn_reservation.
4689 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
4690 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
4691 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
4692 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
4693 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
4695 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4697 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
4698 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
4699 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
4700 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
4701 athlon_ssemul_load_k8): Added amdfam10.
4703 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4705 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
4706 (x86_sse_unaligned_move_optimal): New variable.
4708 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
4710 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
4711 for unaligned vector SSE double/single precision loads for AMDFAM10.
4713 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4715 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
4716 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
4717 Define TARGET_CPU_DEFAULT_amdfam10.
4718 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
4719 (processor_type): Add PROCESSOR_AMDFAM10.
4721 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
4722 processor_type in config/i386/i386.h.
4723 Enable imul peepholes for TARGET_AMDFAM10.
4725 * config.gcc: Add support for --with-cpu option for amdfam10.
4727 * config/i386/i386.c (amdfam10_cost): New variable.
4728 (m_AMDFAM10): New macro.
4729 (m_ATHLON_K8_AMDFAM10): New macro.
4730 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4731 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
4732 x86_promote_QImode, x86_integer_DFmode_moves,
4733 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4734 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
4735 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
4736 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
4737 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
4738 Enable/disable for amdfam10.
4739 (override_options): Add amdfam10_cost to processor_target_table.
4740 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
4741 processor_alias_table.
4742 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
4743 (ix86_adjust_cost): Add code for amdfam10.
4745 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4747 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
4748 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
4749 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
4750 * config/i386/i386.h: Add builtin definition for SSE4A.
4751 * config/i386/i386.md: Add support for ABM instructions
4753 * config/i386/sse.md: Add support for SSE4A instructions
4754 (movntss, movntsd, extrq, insertq).
4755 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
4756 Add -march=amdfam10 flag.
4757 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
4758 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
4760 * doc/extend.texi: Add documentation for SSE4A builtins.
4762 2007-02-05 Bob Wilson <bob.wilson@acm.org>
4764 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
4766 2007-02-05 Richard Guenther <rguenther@suse.de>
4768 * tree-vectorizer.h (vectorizable_function): Add argument type
4769 argument, change return type.
4770 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
4771 * tree-vect-transform.c (vectorizable_function): Handle extra
4772 argument, return vectorized function decl.
4773 (build_vectorized_function_call): Remove.
4774 (vectorizable_call): Handle calls with result and argument types
4775 differing. Handle loop vectorization factor correctly.
4776 * targhooks.c (default_builtin_vectorized_function): Adjust for
4778 * targhooks.h (default_builtin_vectorized_function): Likewise.
4779 * target.h (builtin_vectorized_function): Add argument type
4781 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
4782 extra argument, allow vectorizing of lrintf.
4783 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
4784 documentation of target hook.
4786 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
4789 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
4790 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
4791 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
4793 2007-02-05 Roger Sayle <roger@eyesopen.com>
4795 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
4796 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
4797 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
4798 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
4799 before canonicalizing sincos to cexpi.
4800 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
4802 2007-02-05 Roger Sayle <roger@eyesopen.com>
4804 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
4805 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
4806 (alpha_init_builtins): Use alpha_add_builtins to process tables.
4808 2007-02-05 Roger Sayle <roger@eyesopen.com>
4810 * mips-tfile.c (initialize_init_file): Correct endianness test.
4812 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
4814 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
4817 2007-02-05 Richard Sandiford <richard@codesourcery.com>
4819 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
4820 saves in a PARALLEL before the register assignments.
4822 2007-02-05 Richard Sandiford <richard@codesourcery.com>
4824 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
4825 DWARF_FRAME_RETURN_COLUMN to be a general register.
4826 * dwarf2out.c (init_return_column_size): New function, split from...
4827 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
4828 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
4829 to be nongeneral registers.
4830 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
4832 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
4833 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
4835 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4837 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
4839 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4841 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
4842 (remove_path): Use can_remove_branch_p and remove_branch instead
4843 of loop_delete_branch_edge.
4844 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
4845 (tree_transform_and_unroll_loop): Remove dead branches immediately.
4846 Update profile using scale_dominated_blocks_in_loop.
4847 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
4848 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
4849 (can_remove_branch_p, remove_branch): Declare.
4850 * tree-cfg.c (tree_can_remove_branch_p): New function.
4851 (tree_cfg_hooks): Add tree_can_remove_branch_p.
4852 * cfgrtl.c (rtl_can_remove_branch_p): New function.
4853 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
4855 2007-02-05 Jan Hubicka <jh@suse.cz>
4858 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
4859 nodes in cgraph, don't remove offline copy of the function.
4861 2007-02-04 Jan Hubicka <jh@suse.cz>
4863 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
4864 vectors might cause maybe_lookup_element_for_expr to be called
4865 on non-sra-candidate.
4867 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
4869 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
4870 config/bfin/bfin.md, config/bfin/predicates.md: Follow
4871 spelling conventions.
4873 2007-02-04 Richard Guenther <rguenther@suse.de>
4876 * fold-const.c (try_move_mult_to_index): Make sure to not
4877 overflow one dimension of a multi-dimensional array access.
4879 2007-02-04 Jan Hubicka <jh@suse.cz>
4881 * passes.c (init_optimization_passes): Reindent.
4883 2007-02-04 Jan Hubicka <jh@suse.cz>
4884 Eric Botcazou <ebotcazou@adacore.com>
4886 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
4887 (execute_fixup_cfg): Break out the abnormal goto code.
4888 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
4889 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
4890 (optimize_inline_calls): Call make_nonlocal_label_edges.
4892 2007-02-04 Jan Hubicka <jh@suse.cz>
4894 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
4895 true when something was changed.
4896 (rename_ssa_copies): When something was changed, do
4897 TODO_remove_unused_locals.
4898 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4899 add TODO_remove_unused_locals when instruction was removed.
4901 2007-02-04 Jan Hubicka <jh@suse.cz>
4903 * ipa-inline.c (try_inline): Improve debug output; work on already
4905 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
4906 call try_inline for already inlined edges too when flattening;
4907 inline also functions that make callee growth but overall unit size
4910 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
4912 * config/m32c/bitops.md, config/m32c/jump.md,
4913 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
4914 config/m32r/m32r.h, config/m32r/m32r.md,
4915 config/m32r/predicates.md, config/m68hc11/larith.asm,
4916 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
4917 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
4918 config/mips/mips-protos.h, config/mips/mips.c,
4919 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
4920 config/mn10300/mn10300.h, config/mn10300/predicates.md,
4921 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
4922 spelling conventions.
4924 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
4925 Follow spelling conventions.
4927 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
4929 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
4930 warn about C++0x compatibility.
4932 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
4934 * config/h8300/h8300.c, config/h8300/h8300.h,
4935 config/h8300/h8300.md: Follow spelling conventions.
4937 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
4940 * combine.c (try_combine): Do not substitute source operand
4941 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
4943 2007-02-03 Jan Hubicka <jh@suse.cz>
4945 PR gcov-profile/30650
4946 * value-prof.c (stringop_block_profile): Fix handling of size counter;
4947 do not divide by zero for never executed counters.
4948 (tree_find_values_to_profile): Fix counters.
4949 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
4951 2007-02-03 Ian Lance Taylor <iant@google.com>
4953 * lower-subreg.c (simple_move_operand): New static function,
4954 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
4956 (simple_move): Call simple_move_operand.
4957 (find_decomposable_subregs): Add special handling of MEMs.
4958 (can_decompose_p): Rename from cannot_decompose_p. Reverse
4959 meaning of return value. If we see a hard register, test whether
4960 it can store a word_mode value. Change all callers.
4962 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4964 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
4965 ftrapv insns and expanders.
4966 (subdi3): Change define_expand operand 1 to arith11_operand, and
4967 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
4968 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
4969 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
4973 * varasm.c (notice_global_symbol): Treat global objects as weak when
4976 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4978 * emit-rtl.c (dconstpi): Delete.
4980 (init_emit_once): Delete dconstpi and init dconstsqrt2.
4981 * real.h (dconstpi): Delete.
4983 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
4984 (fold_builtin_hypot): Likewise.
4986 2007-02-03 Tom Tromey <tromey@redhat.com>
4989 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
4990 -gcoff3, -gxcoff3, -gvms3 implies -dD.
4992 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
4994 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
4995 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
4996 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
4997 config/rs6000/cell.md, config/rs6000/darwin.h,
4998 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
4999 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
5000 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
5001 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
5002 typos. Follow spelling conventions.
5003 * doc/invoke.texi: Follow spelling conventions.
5005 2007-02-03 Roger Sayle <roger@eyesopen.com>
5007 * simplify-rtx.c (simplify_relational_operation_1): Implement some
5008 canonicalization transformations that attempt to simplify integer
5009 constant comparisons to become comparisons against zero.
5011 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5013 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
5015 * fold-const.c (fold_binary): Fix comment typos. Fold complex
5016 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
5018 2007-02-02 Mike Stump <mrs@apple.com>
5020 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
5021 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
5022 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
5023 generate a branch island.
5025 2007-02-02 Bob Wilson <bob.wilson@acm.org>
5027 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
5028 (xtensa_legitimate_address_p): New.
5029 (xtensa_legitimize_address): New.
5030 (xtensa_output_addr_const_extra): New.
5031 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
5033 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
5034 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
5035 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
5036 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
5037 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
5038 (xtensa_legitimize_address): New.
5039 (xtensa_output_addr_const_extra): New.
5041 2007-02-02 Steve Ellcey <sje@cup.hp.com>
5043 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
5045 2007-02-02 Ian Lance Taylor <iant@google.com>
5047 * expmed.c (expand_divmod): Add comment.
5049 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
5051 * emit-rtl.c (renumber_insns): Remove.
5052 * flags.h: Remove the extern for flag_renumber_insns.
5053 * rtl.h: Remove the prototype for renumber_insns.
5054 * toplev.c (flag_renumber_insns): Remove.
5056 2007-02-02 Hui-May Chang <hm.chang@apple.com>
5058 Revert for x86 darwin:
5059 2005-06-19 Uros Bizjak <uros@kss-loka.si>
5061 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
5062 code before the following patch under TARGET_MACHO.
5063 (ix86_function_value_regno_p): Likewise.
5065 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5067 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
5070 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5073 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
5074 general or fp registers. Add comments.
5075 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
5077 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
5079 * pointer-set.c (insert_aux): Only return insertion slot.
5080 (pointer_set_insert): Adjust.
5081 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
5082 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
5083 pointer_map_traverse): New.
5084 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
5085 pointer_map_create, pointer_map_destroy, pointer_map_insert,
5086 pointer_map_contains, pointer_map_traverse): Declare.
5088 2007-02-02 Jakub Jelinek <jakub@redhat.com>
5091 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
5092 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
5094 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5096 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
5098 (struct _dep): New type.
5099 (dep_t): New typedef.
5100 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
5101 (DEP_STATUS): New access macro. The macro with the same name was
5102 renamed to DEP_LINK_STATUS.
5103 (dep_init): Declare function
5105 (struct _dep_link): New type.
5106 (dep_link_t): New typedef.
5107 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
5108 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
5109 (DEP_LINK_STATUS): New macro.
5110 (debug_dep_links): New debug function.
5112 (struct _deps_list): New type.
5113 (deps_list_t): New typedef.
5114 (DEPS_LIST_FIRST): New access macro.
5115 (FOR_EACH_DEP_LINK): New cycle macro.
5116 (create_deps_list, free_deps_list, delete_deps_list): Declare
5118 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
5119 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
5120 (copy_deps_list_change_con): Ditto.
5122 (move_dep_link): Declare function.
5124 (struct _dep_node): New type.
5125 (dep_node_t): New typedef.
5126 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
5128 (struct haifa_insn_data.back_deps): New field to hold backward
5129 dependencies of the insn.
5130 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
5132 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
5133 Change its type to deps_list_t.
5134 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
5135 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
5136 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
5138 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
5140 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
5142 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
5144 (dep_cost): Declare.
5146 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
5147 (ds_to_dk, dk_to_ds): New functions.
5149 (init_dep_1): New static function.
5150 (init_dep): New function.
5151 (copy_dep): New static function.
5153 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
5155 (detach_dep_link): New static function.
5156 (move_dep_link): New function.
5158 (dep_links_consistent_p, dump_dep_links): New static functions.
5159 (debug_dep_links): New debugging function.
5161 (deps_obstack, dl_obstack, dn_obstack): New static variables.
5163 (alloc_deps_list, init_deps_list): New static functions.
5164 (create_deps_list): New function.
5165 (clear_deps_list): New static function.
5166 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
5167 (deps_list_consistent_p, dump_deps_list): New static functions.
5168 (debug_deps_list): New function.
5169 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
5171 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
5173 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
5174 use new scheduler dependencies lists.
5175 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
5176 (sched_analyze): Ditto. Initialize dependencies lists.
5177 (add_forw_dep, compute_forward_dependences): Update to use new
5178 scheduler dependencies lists.
5180 (init_dependency_caches): Init deps_obstack.
5181 (free_dependency_caches): Free deps_obstack.
5183 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
5184 new scheduler dependencies lists.
5185 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
5186 (add_back_forw_dep, delete_back_forw_dep): Ditto.
5188 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
5189 Update to use new scheduler dependencies lists.
5190 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
5191 (debug_dependencies): Ditto.
5192 (schedule_region): Update comments.
5194 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
5195 scheduler dependencies lists.
5196 (schedule_ebb): Update comments.
5198 * rtl.def (DEPS_LIST): Remove.
5200 * lists.c (unused_deps_list): Remove.
5201 (free_list): Update assertions.
5203 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
5204 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
5206 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
5207 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
5209 * haifa-sched.c (comments): Update.
5210 (insn_cost1): Remove. Inline the code into insn_cost ().
5211 (insn_cost): Update to use new scheduler dependencies lists. Move
5212 processing of the dependency cost to dep_cost ().
5213 (dep_cost): New function. Use it instead of insn_cost () when
5214 evaluating cost of the dependency. Use compatible interface to
5215 interact with the target.
5216 (priority): Update to use new scheduler dependencies lists.
5217 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
5218 with greater number of insns that depend on the insn.
5219 (schedule_insn): Update to use new scheduler dependencies lists. Add
5220 code to free backward dependencies lists. Inline and optimize code
5221 from resolve_dep () - see PR28071.
5222 (ok_for_early_queue_removal): Update to use new scheduler dependencies
5223 lists. Update call to targetm.sched.is_costly_dependence hook.
5225 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
5226 scheduler dependencies lists.
5228 (resolve_dep): Remove. Move the logic to schedule_insn ().
5229 (init_h_i_d): Initialize dependencies lists.
5231 (process_insn_depend_be_in_spec): Rename to
5232 process_insn_forw_deps_be_in_spec. Update to use new scheduler
5234 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
5235 Update to use new scheduler dependencies lists.
5236 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
5238 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
5239 new scheduler dependencies lists.
5240 (build_intra_loop_deps): Ditto.
5242 * target.h (struct _dep): Declare to use in
5243 gcc_target.sched.is_costly_dependence.
5244 (struct gcc_target.sched.adjust_cost): Fix typo.
5245 (struct gcc_target.sched.is_costly_dependence): Change signature to use
5246 single dep_t parameter instead of an equivalent triad.
5247 (struct gcc_target.sched.adjust_cost_2): Remove.
5249 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
5251 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
5253 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
5255 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
5257 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
5258 (REG_DEP_TRUE): Document.
5260 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
5261 Change signature to correspond to the targetm.sched.adjust_cost hook.
5262 Update use in TARGET_SCHED_ADJUST_COST_2.
5263 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
5264 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
5265 new scheduler dependencies lists.
5266 (ia64_gen_check): Ditto.
5268 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
5271 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
5272 signature to correspond to the targetm.sched.is_costly_dependence hook.
5273 (is_costly_group): Update to use new scheduler dependencies lists.
5275 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
5276 instead of INSN_COST () macro.
5278 2007-02-01 Ian Lance Taylor <iant@google.com>
5280 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
5282 2007-02-01 Guy Martin <gmsoft@gentoo.org>
5284 * pa.md (tp_load): Correct mfctl instruction syntax.
5286 2007-02-01 Geoffrey Keating <geoffk@apple.com>
5288 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
5289 altivec_padding_size calculation on AIX. Improve comment, add
5290 assert to verify that it's right.
5292 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
5295 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
5298 * global.c (global_alloc): Add mising initialization of
5301 2007-02-01 Roger Sayle <roger@eyesopen.com>
5303 * alias.c (init_alias_analysis): Correct whitespace.
5304 * bb-reorder.c (fix_edges_for_rarely_executed_code,
5305 partition_hot_cold_basic_blocks): Likewise.
5306 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
5307 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
5308 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
5309 fold_builtin_snprintf_chk, fold_builtin_printf,
5310 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
5311 do_mpfr_arg3, do_mpfr_sincos): Likewise.
5312 * cfgcleanup.c (cleanup_cfg): Likewise.
5313 * cfgexpand.c (tree_expand_cfg): Likewise.
5314 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
5315 * function.c (get_next_funcdef_no): Likewise.
5316 * gengtype.c (main): Likewise.
5317 * genmodes.c (main): Likewise.
5318 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
5319 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
5320 * ifcvt.c (noce_emit_move_insn): Likewise.
5321 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
5323 * stor-layout.c (get_best_mode): Likewise.
5324 * tree-ssa-loop-niter.c (get_val_for): Likewise.
5325 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
5326 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
5327 perform_var_substitution, solve_graph): Likewise.
5328 * tree-vrp.c (vrp_finalize): Likewise.
5330 2007-02-01 Ian Lance Taylor <iant@google.com>
5332 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
5333 high part of a paradoxical subreg, return a constant zero.
5335 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
5337 * toplev.c (lang_dependent_init): Call init_set_costs.
5338 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
5340 2007-02-01 Richard Guenther <rguenther@suse.de>
5343 * fold-const.c (fold_negate_expr): Allow negating a
5344 constant if overflow does not change.
5346 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5348 * doc/c-tree.texi (Expression trees): Improve markup.
5349 * doc/tm.texi (Register Classes, Addressing Modes)
5350 (Floating Point): Fix spacing after abbreviations. Fix some
5353 2007-02-01 Ben Elliston <bje@au.ibm.com>
5355 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
5356 * doc/contrib.texi: Likewise.
5357 * doc/install.texi: Likewise.
5359 2007-01-31 Richard Henderson <rth@redhat.com>
5360 Ian Lance Taylor <iant@google.com>
5362 * lower-subreg.c: New file.
5363 * rtl.def (CONCATN): Define.
5364 * passes.c (init_optimization_passes): Add pass_lower_subreg and
5366 * emit-rtl.c (update_reg_offset): New static function, broken out
5367 of gen_rtx_REG_offset.
5368 (gen_rtx_REG_offset): Call update_reg_offset.
5369 (gen_reg_rtx_offset): New function.
5370 * regclass.c: Revert patch of 2006-03-05, restoring
5372 (clear_reg_info_regno): New function.
5373 * dwarf2out.c (concatn_loc_descriptor): New static function.
5374 (loc_descriptor): Handle CONCATN.
5375 * common.opt (fsplit_wide_types): New option.
5376 * opts.c (decode_options): Set flag_split_wide_types when
5378 * timevar.def (TV_LOWER_SUBREG): Define.
5379 * rtl.h (gen_reg_rtx_offset): Declare.
5380 (reg_scan_update): Declare.
5381 * regs.h (clear_reg_info_regno): Declare.
5382 * tree-pass.h (pass_lower_subreg): Declare.
5383 (pass_lower_subreg2): Declare.
5384 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
5385 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
5387 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
5388 * Makefile.in (OBJS-common): Add lower-subreg.o.
5389 (lower-subreg.o): New target.
5391 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
5393 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
5395 2007-01-31 Anatoly Sokolov <aesok@post.ru>
5398 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
5400 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5403 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
5405 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
5407 * cfgloop.h: Include vec-prim.h.
5408 (enum li_flags): Remove LI_ONLY_OLD.
5409 (loop_iterator): Changed.
5410 (fel_next, fel_init): Iterate over loop tree.
5411 (FOR_EACH_LOOP_BREAK): New macro.
5412 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
5414 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
5415 * modulo-sched.c (sms_schedule): Ditto.
5416 * tree-vectorizer.c (vectorize_loops): Ditto.
5417 * doc/loop.texi: Update information on loop numbering and behavior of
5418 FOR_EACH_LOOP wrto new loops.
5419 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5420 add_to_evolution_1): Test nestedness of loops instead of comparing
5422 * tree-chrec.c (chrec_fold_plus_poly_poly,
5423 chrec_fold_multiply_poly_poly, chrec_evaluate,
5424 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
5425 reset_evolution_in_loop): Ditto.
5426 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
5428 2007-01-31 Dirk Mueller <dmueller@suse.de>
5430 * c-common.c (warn_about_parentheses): Separate warning about
5431 un-parenthized sequence of comparison operators from the one
5432 which is supposed to warn about x <= y <= z.
5434 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
5436 * optabs.h (enum optab_index): Add new OTI_isinf.
5437 (isinf_optab): Define corresponding macro.
5438 * optabs.c (init_optabs): Initialize isinf_optab.
5439 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
5441 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
5442 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
5444 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
5445 expand_builtin_interclass_mathfn.
5446 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
5447 * config/i386/i386.md (UNSPEC_FXAM): New constant.
5448 (fxam<mode>2_i387): New insn pattern.
5449 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
5450 built-in functions as x87 inline asm.
5452 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
5454 * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
5456 2007-01-30 Eric Christopher <echristo@apple.com>
5458 * config.gcc: Add geode.
5460 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
5462 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
5463 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
5464 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
5465 value-prof.c: Fix comment typos.
5467 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5470 * doc/invoke.texi (Wpointer-arith): Document warning.
5472 2007-01-30 Janis Johnson <janis187@us.ibm.com>
5474 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
5475 the list of discrepancies from the draft TR.
5477 2007-01-30 Dirk Mueller <dmueller@suse.de>
5480 * doc/invoke.texi (-Wreturn-type): Update description to
5483 2007-01-30 Richard Sandiford <richard@codesourcery.com>
5485 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
5487 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
5489 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
5490 to handle optabs that operate on floating point input argument and
5491 output to integer output.
5492 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
5493 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
5494 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
5495 expand_builtin_interclass_mathfn ().
5496 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
5498 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
5499 ilogbl built-in functions as x87 intrinsics.
5501 2007-01-30 Richard Guenther <rguenther@suse.de>
5504 * dwarf2out.c (reference_to_unused): Query varpool if the
5505 variable was output.
5507 2007-01-30 Richard Guenther <rguenther@suse.de>
5510 * passes.c (execute_one_pass): Reset in_gimple_form to not
5511 confuse non-unit-at-a-time mode.
5513 2007-01-29 Roger Sayle <roger@eyesopen.com>
5514 Richard Guenther <rguenther@suse.de>
5516 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
5517 avoid undefined behaviour on overflow. Use force_fit_type_double
5518 to construct the constant with the specified TREE_OVERFLOW.
5520 2007-01-29 Janis Johnson <janis187@us.ibm.com>
5522 * config/dfp-bit.c: Add parameterized support for fp exceptions.
5523 * config/dfp-bit.h: Ditto.
5525 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5527 * c-decl.c (pop_scope): Replace warnings with call to
5528 warn_for_unused_label.
5529 * c-common.h (warn_for_unused_label): Declare.
5530 * c-common.c (warn_for_unused_label): Define.
5532 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5534 * tree-optimize.c (update_inlined_to_pointers): Delete unused
5537 2007-01-29 Janis Johnson <janis187@us.ibm.com>
5539 * Makefile.in (USER_H): Remove decfloat.h.
5540 * ginclude/decfloat.h: Delete, moving contents to ...
5541 * ginclude/float.h: Add support for decimal floating point,
5542 guarded by __STDC_WANT_DEC_FP__.
5544 2007-01-29 Mike Stump <mrs@apple.com>
5546 * doc/gccint.texi (Top): Rename Loop Representation to Loop
5547 Analysis and Representation to resolve case insensitive conflict.
5548 * doc/loop.texi (Loop Analysis and Representation): Likewise.
5550 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
5552 * tree.h (struct tree_memory_tag): Add aliases member.
5553 (MTAG_ALIASES): New macro.
5554 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
5555 (add_may_alias): Remove pointer-set. Update for may_aliases being
5557 (mark_aliases_call_clobbered): Update for may_aliases being a
5559 (compute_tag_properties): Ditto.
5560 (create_partition_for): Ditto.
5561 (compute_memory_partitions): Ditto.
5562 (dump_may_aliases_for): Ditto.
5563 (is_aliased_with): Ditto.
5564 (add_may_alias_for_new_tag): Ditto.
5565 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
5566 (compute_is_aliased): New function.
5567 (compute_may_aliases): Call compute_is_aliased).
5568 (init_alias_info): Initialize alias_bitmap_obstack.
5569 (union_alias_set_into): New function.
5570 (compute_flow_sensitive_aliasing): Use union_aliases_into.
5571 (have_common_aliases_p): Rewrite to take two bitmaps and use
5573 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
5575 (finalize_ref_all_pointers): Update for add_may_alias changes.
5576 (new_type_alias): Ditto.
5577 * tree-flow-inline.h (may_aliases): Return a bitmap.
5578 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
5579 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
5580 may_aliases being a bitmap.
5581 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
5582 may_aliases now returns a bitmap.
5583 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
5585 * tree-ssa-operands.c (add_virtual_operand): Update for
5586 may_aliases being a bitmap.
5588 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
5590 PR tree-optimization/30630
5591 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
5592 variable as changed.
5594 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
5597 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
5598 expanded only once even if an error occurs.
5600 2007-01-29 Ben Elliston <bje@au.ibm.com>
5602 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
5603 (__gcov_average_profiler): Likewise.
5604 (__gcov_ior_profiler): Likewise.
5605 (__gcov_merge_ior): Likewise.
5607 2007-01-28 Jan Hubicka <jh@suse.cz>
5609 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
5610 * value-prof.c (stringop_block_profile): Likewise.
5612 2007-01-28 Jan Hubicka <jh@suse.cz>
5614 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
5615 variant handling histograms; add wrapper.
5616 (clear_storage_via_libcall): Export.
5617 (emit_block_move_hints): Break out from ...; add histograms.
5618 (emit_block_move): ... this one.
5619 (clear_storage_hints): Break out from ...; add histograms.
5620 (clear_storage): ... this one.
5621 (set_storage_via_memset): Handle histogram.
5622 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
5623 (clear_storage_hints, clear_storage_via_libcall): Declare.
5624 (set_storage_via_setmem): Update prototype.
5625 * doc/md.texi (movmem, setmem): Document new arguments.
5627 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
5629 (stringop_block_profile): New global function.
5630 (tree_stringops_values_to_profile): Profile block size and alignment.
5631 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
5633 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
5634 (stringop_block_profile): Declare.
5635 * builtins.c: Include value-prof.h.
5636 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
5637 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
5638 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
5639 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
5640 * profile.c (instrument_values): Add new counters.
5641 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
5643 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
5644 (tree_init_edge_profiler): Build new profilers.
5645 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
5646 (pass_tree_profile): Add dump.
5647 (tree_profile_hooks): Update.
5648 * Makefile.in (LIBGCOV): Add new constants.
5649 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
5650 __gcov_ior_profiler): New.
5651 * i386.md (movmem/setmem expanders): Add new optional arguments.
5653 2007-01-28 David Edelsohn <edelsohn@gnu.org>
5655 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
5657 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
5659 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
5660 (tree_unswitch_single_loop): Pass eni_size_weights to
5661 tree_num_loop_insns.
5662 * tree-ssa-loop-manip.c: Include tree-inline.h.
5663 (can_unroll_loop_p): Pass eni_size_weights to
5664 tree_num_loop_insns.
5665 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
5666 Pass eni_size_weights to estimate_num_insns.
5667 * tree.h (init_inline_once): Export.
5668 * toplev.c (backend_init): Call init_inline_once.
5669 * cgraphunit.c (cgraph_process_new_functions,
5670 cgraph_analyze_function): Pass eni_inlining_weights to
5672 * ipa-inline.c (compute_inline_parameters): Ditto.
5673 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
5674 to estimate_num_insns.
5675 (try_unroll_loop_completely): Pass eni_size_weights to
5676 tree_num_loop_insns.
5677 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
5678 ot estimate_num_insns.
5679 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
5680 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
5681 * tree-inline.c (eni_inlining_weights, eni_size_weights,
5682 eni_time_weights): New variables.
5683 (init_inline_once): Initialize them.
5684 (struct eni_data): Mew.
5685 (estimate_num_insns_1, estimate_num_insns): Use weights.
5686 * tree-inline.h (struct eni_weights_d): New.
5687 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
5688 (estimate_num_insns): Declaration changed.
5689 * cfgloop.h (tree_num_loop_insns): Declaration changed.
5690 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
5691 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
5693 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
5695 * tree-data-ref.c (conflict_fn): Assert that the number of affine
5696 relations in the conflict function is valid.
5698 2007-01-27 Ian Lance Taylor <iant@google.com>
5700 * common.opt: Add fstrict-overflow.
5701 * opts.c (decode_options): Set flag_strict_overflow if -O2.
5702 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
5703 (TYPE_OVERFLOW_UNDEFINED): Define.
5704 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
5706 * tree.h (TYPE_TRAP_SIGNED): Don't define.
5707 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
5708 (fold_negate_expr): Likewise.
5709 (make_range): Likewise.
5710 (extract_muldiv_1): Likewise.
5711 (maybe_canonicalize_comparison): Likewise.
5712 (fold_comparison): Likewise.
5713 (fold_binary): Likewise.
5714 (tree_expr_nonnegative_p): Likewise.
5715 (tree_expr_nonzero_p): Likewise.
5716 * tree-vrp.c (compare_values): Likewise.
5717 (extract_range_from_binary_expr): Likewise.
5718 (extract_range_from_unary_expr): Likewise.
5719 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
5721 (nowrap_type_p): Likewise.
5722 * tree-scalar-evolution.c (simple_iv): Likewise.
5723 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
5724 (build_range_check): Likewise.
5725 (extract_muldiv_1): Likewise.
5726 (fold_comparison): Likewise.
5727 * tree-vrp.c (vrp_int_const_binop): Likewise.
5728 (extract_range_from_unary_expr): Likewise.
5729 * convert.c (convert_to_integer): Likewise.
5730 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
5731 (fold_comparison): Likewise.
5732 (fold_binary): Likewise.
5733 * optabs.c (optab_for_tree_code): Likewise.
5734 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
5735 * simplify-rtx.c (simplify_const_relational_operation): Check
5736 flag_strict_overflow and flag_trapv.
5737 (simplify_const_relational_operation): Likewise.
5738 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
5739 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
5742 2007-01-27 Roger Sayle <roger@eyesopen.com>
5744 * tree.c (tree_fold_gcd): Delete.
5745 * tree.h (tree_fold_gcd): Remove prototype.
5746 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
5747 test whether one constant integer is a multiple of another. Instead
5748 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
5749 * fold-const.c (multiple_of_p): We've determined both TOP and
5750 BOTTOM are integer constants so we can call int_const_binop directly
5751 instead of the more generic const_binop.
5753 2007-01-27 Roger Sayle <roger@eyesopen.com>
5755 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
5756 1*X check that the constant hasn't overflowed, to preserve the
5758 (round_up): Provide an efficient implementation when rouding-up an
5759 INTEGER_CST to a power-of-two.
5761 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5763 * doc/sourcebuild.texi: Add comma for clarity.
5764 * doc/extend.texi: Fix some typos.
5765 * doc/passes.texi: Likewise.
5766 * doc/cppinternals.texi: Likewise.
5767 * doc/c-tree.texi: Likewise.
5768 * doc/tree-ssa.texi: Likewise.
5769 * doc/install.texi: Likewise.
5771 2007-01-27 Jan Hubicka <jh@suse.cz>
5773 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
5774 (pass_sra): Do not require alias information.
5775 * passes.c (init_optimization_passes): Add SRA
5777 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
5779 * tracer.c (rest_of_handle_tracer): We already cleaned
5780 up the CFG in tracer() so don't do it here again.
5781 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
5782 cleanup_cfg here, either. And don't call renumber_insns.
5784 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
5785 and BB_HEAD are in the insn stream here. Instead make sure
5786 that BB_INSN is valid on all insns. Also, do check here that
5787 there are no pending branch predictions...
5788 (rtl_verify_flow_info): ...instead of doing it here. Checks
5789 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
5792 2007-01-26 Roger Sayle <roger@eyesopen.com>
5794 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
5795 function to simplify/factorize operand order canonicalization.
5796 (ix86_fixup_binary_operands): Reorganize using the above function.
5797 (ix86_binary_operator_ok): Likewise.
5799 2007-01-27 Jakub Jelinek <jakub@redhat.com>
5801 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
5802 file scope from optimize_attrs.
5803 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
5805 (optimize_attrs): Clear insn_code_values after freeing it.
5807 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
5809 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
5810 a parts.base assignment.
5812 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
5814 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
5815 (compute_subscript_distance, initialize_data_dependence_relation,
5816 finalize_ddr_dependent, analyze_ziv_subscript,
5817 analyze_siv_subscript_cst_affine,
5818 compute_overlap_steps_for_affine_univar,
5819 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
5820 analyze_siv_subscript, analyze_miv_subscript,
5821 analyze_overlapping_iterations, subscript_dependence_tester_1,
5822 compute_self_dependence, free_dependence_relation): Work
5823 with affine_fn instead of chrecs.
5824 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
5825 common_affine_function, affine_function_base,
5826 affine_function_constant_p, affine_fn_op, affine_fn_plus,
5827 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
5828 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
5829 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
5830 (all_chrecs_equal_p): Removed.
5831 * tree-data-ref.h (affine_fn, conflict_function): New types.
5832 (struct subscript): Change type of conflicting_iterations_in_a
5833 and conflicting_iterations_in_b.
5835 2007-01-26 Steve Ellcey <sje@cup.hp.com>
5838 * config/pa/pa.h (TARGET_HPUX_11): New.
5839 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
5840 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
5842 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
5843 Richard Guenther <rguenther@suse.de>
5845 * tree-ssa-structalias.c (solve_graph): Handle case
5846 we merged the variable to another.
5848 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5850 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
5853 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
5854 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
5856 2007-01-25 DJ Delorie <dj@redhat.com>
5858 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
5859 allow changes to modes which don't fit in those registers.
5861 * reload1.c (choose_reload_regs): Check for invalid subregs before
5862 computing their locations, not after.
5864 2007-01-25 Geoffrey Keating <geoffk@apple.com>
5867 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
5868 save Altivec registers in an eh_return function.
5869 (compute_vrsave_mask): Likewise.
5870 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
5871 for saving Altivec registers.
5872 (rs6000_emit_prologue): Don't allocate stack twice in
5873 eh_return function. Correct expected value of altivec_save_offset
5874 when using save_world. Describe save of R0 to stack when using
5875 save_world. Describe stack pointer adjustment when using
5876 save_world. Remove duplicated eh_return parameter register saving.
5877 Update sp_offset variable after save_world.
5878 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
5880 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
5881 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
5884 2007-01-25 Steve Ellcey <sje@cup.hp.com>
5886 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
5888 2007-01-25 Steve Ellcey <sje@cup.hp.com>
5891 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
5892 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
5894 2007-01-25 Richard Guenther <rguenther@suse.de>
5896 * doc/invoke.texi (-Wcoverage-mismatch): Document.
5897 * common.opt (-Wcoverage-mismatch): New warning option.
5898 * coverage.c (get_coverage_counts): Ignore coverage mismatch
5899 if -Wcoverage-mismatch is given.
5901 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
5903 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
5904 (ipcp_driver): Change to static definition.
5905 Add dumping of the ifunctions.
5906 (constant_val_insert): Remove unused parameter. Support for SSA.
5907 (ipcp_propagate_const): Support for SSA.
5908 (ipcp_profile_bb_print): Print only analyzed nodes.
5909 (ipcp_replace_map_create): Remove support for Fortran constant
5911 * ipa-prop.c (ipa_method_modify_stmt,
5912 ipa_callsite_compute_param): Support for SSA.
5913 * ipa-prop.h (ipcp_driver): Remove declaration.
5914 (IS_VALID_TREE_MAP_INDEX): Add define.
5916 2007-01-24 Geoffrey Keating <geoffk@apple.com>
5918 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
5920 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5923 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
5924 constant argument to cabs and do it without checking for
5925 -funsafe-math-optimizations.
5927 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
5929 * c-common.h (RID_FIRST_CXX0X): New.
5930 (RID_LAST_CXX0X): New.
5931 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
5933 * c.opt (Wc++0x-compat): New.
5934 * doc/invoke.texi (-Wc++0x-compat): Document.
5936 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5938 * builtins.c (fold_builtin_carg): New.
5939 (fold_builtin_1): Use it.
5941 2007-01-24 Jan Hubicka <jh@suse.cz>
5943 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
5945 * ipa-inline.c (initial_insns, max_insns): Delete.
5946 (compute_max_insns): New function.
5947 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
5948 of insns as base for code growth.
5949 (cgraph_decide_inlining): Make initial_insns local; do not compute
5951 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
5952 * doc/invoke.texi (inline-unit-growth): Update docs.
5954 2007-01-24 Jakub Jelinek <jakub@redhat.com>
5956 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
5957 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
5958 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
5959 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
5960 for CPUs that have PTA_CX16 set.
5963 * gimplify.c (omp_check_private): New function.
5964 (gimplify_scan_omp_clauses): Use it for
5965 firstprivate/lastprivate/reduction.
5968 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
5969 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
5972 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
5973 If lower_lastprivate_clauses emits some statements, append them
5974 to dlist rather than body_p and to body_p append an initializer.
5975 (lower_omp_for): Adjust caller.
5977 2007-01-24 Steve Ellcey <sje@cup.hp.com>
5979 * target.h (globalize_decl_name): New.
5980 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
5981 * output.h (default_globalize_decl_name): New.
5982 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
5984 (globalize_decl): Ditto.
5985 (default_globalize_decl_name): New.
5986 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
5987 (ia64_handle_version_id_attribute): New.
5988 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
5989 (ia64_asm_output_external): Use globalize_decl_name instead
5991 * doc/extend.texi (version_id): New pragma.
5992 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
5994 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
5996 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
5997 _uleb128_t and _Unwind_SWord with _sleb128_t.
5998 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
5999 uw_frame_state_for, uw_update_context_1): Likewise.
6000 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
6001 * unwind-pe.h (read_uleb128, read_sleb128,
6002 read_encoded_value_with_base): Likewise.
6003 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
6005 2007-01-24 Richard Guenther <rguenther@suse.de>
6007 * builtins.c (expand_builtin_cexpi): Get the fndecl
6008 for cexp in the correct way.
6010 2007-01-24 Jan Hubicka <jh@suse.cz>
6012 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
6014 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
6016 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
6017 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
6018 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
6019 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
6020 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
6021 __SIZEOF_PTRDIFF_T__.
6022 * doc/cpp.texi: Documentation for the new builtin macros added.
6024 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
6026 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
6027 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
6028 instead of operands[2] to avoid access past the end of array.
6030 2007-01-24 Richard Sandiford <richard@codesourcery.com>
6032 * reload1.c (emit_reload_insns): Pass the reload register
6033 for a non-spill output reload through forget_old_reloads_1.
6035 2007-01-23 Joseph Myers <joseph@codesourcery.com>
6037 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6038 _SOFT_DOUBLE if doubles use software floating-point.
6039 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
6040 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6041 * config/rs6000/darwin-ldouble.c: Also compile functions for
6042 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
6043 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6044 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
6045 commented-out long double override.
6046 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
6047 * config/rs6000/eabispe.h: Likewise.
6048 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
6049 long double for non-SPE.
6050 (rs6000_handle_option): Likewise.
6051 (invalid_e500_subreg): Disallow more subregs involding DImode,
6052 DFmode, TImode or TFmode.
6053 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
6055 (legitimate_lo_sum_address_p): Also check for TFmode for E500
6057 (rs6000_legitimize_address): Also handle TFmode for E500 double.
6058 (rs6000_legitimize_reload_address): Also handle TFmode for E500
6060 (rs6000_legitimate_address): Also check for TFmode for E500
6062 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
6063 (spe_build_register_parallel): Handle TFmode and TCmode.
6064 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
6066 (function_arg): Handle TFmode and TCmode for E500 double.
6067 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
6069 (print_operand): Handle TFmode and TImode for %y.
6070 (rs6000_generate_compare): Handle TFmode comparisons for E500
6072 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
6073 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
6074 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
6075 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
6076 TFmode for E500 double.
6077 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
6078 (floatsidf2): Enable for E500 double.
6079 (movtf_softfloat): Use rs6000_nonimmediate_operand.
6080 (extenddftf2): Change to extenddftf2_fprs.
6081 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
6082 depending on TARGET_E500_DOUBLE.
6083 (extendsftf2): Enable for E500 double.
6084 (trunctfdf2): Enable for E500 double.
6085 (trunctfsf2): Change to trunctfsf2_fprs.
6086 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
6087 depending on TARGET_E500_DOUBLE.
6088 (floatsitf2): Enable for E500 double.
6089 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
6090 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
6091 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
6092 (negtf2): Change to negtf2_internal.
6093 (negtf2): New expander.
6094 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
6095 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
6096 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
6097 (movdi_internal32): Use rs6000_nonimmediate_operand.
6098 (unnamed splitter): Likewise.
6099 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
6100 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
6101 (SPE64TF, DITI): New mode macros.
6102 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
6105 (frob_<mode>_di_2): New.
6106 (frob_tf_di_8_2): New.
6107 (frob_di_df): Change to frob_di_<mode>; allow more modes.
6109 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
6111 (frob_ti_<mode>_8_2): New.
6112 (frob_ti_tf_2): New.
6113 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
6114 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
6116 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
6117 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
6118 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
6119 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
6120 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
6121 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
6124 2007-01-23 Ian Lance Taylor <iant@google.com>
6126 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
6128 (OBJS-archive): Reformat, alphabetize.
6129 (OBJS): Change out_object_file to OBJS-md.
6131 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
6133 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
6134 JUMP_P and CALL_P predicates where applicable.
6135 * config/i386/i386.c: Ditto.
6136 * config/i386/i386.md: Ditto.
6137 * config/i386/mmx.md: Ditto.
6138 * config/i386/predicates.md: Ditto.
6140 2007-01-22 Andreas Schwab <schwab@suse.de>
6142 * config/m68k/m68k.h: Fix comment.
6144 2007-01-22 Jan Hubicka <jh@suse.cz>
6146 * passes.c (init_optimization_passes): Do not rerun
6147 pass_early_warn_uninitialized.
6149 2007-01-22 Richard Guenther <rguenther@suse.de>
6151 PR tree-optimization/30038
6152 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
6154 (execute_cse_sincos_1): Likewise.
6155 (execute_cse_sincos): Likewise.
6156 (gate_cse_sincos): Likewise.
6157 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
6158 the cexpi() canonicalization of sincos().
6159 * tree-pass.h (pass_cse_sincos): Declare.
6160 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
6162 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6164 PR rtl-optimization/29329
6165 * combine.c (replaced_rhs_insn): Rename to i2mod.
6166 (replaced_rhs_value): Rename to i2mod_new_rhs.
6167 (i2mod_old_rhs): New global variable.
6168 (combine_instructions): Adjust for above change. Save a copy of
6169 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
6170 note are substituted in the second instruction.
6171 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
6172 ditch the note if it pertains to the second eliminated register
6173 and this register is mentioned in i2mod_old_rhs.
6176 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
6178 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6179 the insn to which the note was originally attached.
6181 2007-01-21 Jan Hubicka <jh@suse.cz>
6183 * ipa-inline.c (inlining_mode): Comment, move up.
6184 (cgraph_decide_inlining_incrementally): Do not perform inlining
6185 itself; fix handling of flattening of self recursive functions.
6186 (cgraph_find_cycles): Remove.
6187 (cgraph_flatten_node): Remove.
6188 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
6189 (try_inline): New function.
6190 (cgraph_early_inlining): Update call of
6191 cgraph_decide_inlining_incrementally. Apply inlining here.
6192 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
6194 2007-01-21 Dirk Mueller <dmueller@suse.de>
6197 * tree-vrp.c (check_array_bounds): do not warn
6198 about ADDR_EXPR's of ARRAY_REF's which are immediately
6199 used in binary expressions.
6201 2007-01-21 Ira Rosen <irar@il.ibm.com>
6203 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
6204 read_write_dep and macros for its access.
6205 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
6206 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
6207 argument, call vect_check_interleaving for every independent pair of
6208 data-refs. Mark loads that access the same memory location as a store
6210 (vect_check_dependences): Remove.
6211 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
6212 call, fix the call to vect_analyze_data_ref_dependence.
6213 (vect_analyze_data_ref_access): For statements that access the same
6214 data-ref, check that they are not stores; for loads, check that there
6215 is no store that access the same location.
6217 2007-01-20 Roger Sayle <roger@eyesopen.com>
6218 Joseph Myers <joseph@codesourcery.com>
6220 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
6221 (-fdump-rtl-stack): Likewise.
6222 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
6223 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
6224 (-mpt-fixed): Use @minus{} for minus sign.
6225 (Using Precompiled Headers): Fix under/overfull hbox.
6227 2007-01-20 Jan Hubicka <jh@suse.cz>
6229 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
6230 place within annotation.
6232 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6234 * pa.c (output_move_double): Change array size of xoperands to 4.
6236 2007-01-20 Jan Hubicka <jh@suse.cz>
6238 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
6241 2007-01-19 Ian Lance Taylor <iant@google.com>
6243 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
6244 constant to unsigned HOST_WIDE_INT before negating.
6246 2007-01-19 Ian Lance Taylor <iant@google.com>
6248 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
6250 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
6251 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
6252 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
6253 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
6254 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
6255 (realloc_vdef, realloc_vuse): Change second parameter to
6257 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
6259 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
6260 unsigned. Change x and lim locals to unsigned.
6261 (realloc_vdef, realloc_vuse): Change num_elem parameter to
6263 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
6264 (copy_virtual_operands): Change i and n locals to unsigned.
6266 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6269 * builtins.c (fold_builtin_1): Handle builtin fdim.
6271 2007-01-20 Jan Hubicka <jh@suse.cz>
6273 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
6274 * tree-ssa-structalias.c (compute_points_to_sets): Do call
6275 init_alias_heapvars.
6276 (init_alias_heapvars): Initialize only when not already initialized.
6277 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
6279 2007-01-19 Roger Sayle <roger@eyesopen.com>
6281 * common.opt (fsigned-zeros): New command line option.
6282 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
6283 of flag_unsafe_math_optimizations.
6284 * opts.c (set_fast_math_flags): The -ffast-math command line option
6285 implies -fno-signed-zeros.
6286 (fast_math_flags_set_p): Likewise.
6288 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
6289 the documentation of -ffast-math appropriately. Wrap long lines.
6291 2007-01-19 Steve Ellcey <sje@cup.hp.com>
6293 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
6294 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
6296 2007-01-19 Tomas Bily <tbily@suse.cz>
6298 * cgraphunit.c (cgraph_finalize_function): Updating of pid
6300 (tree_init_ic_make_global_vars): New function
6301 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
6302 (tree_gen_ic_profiler): New function
6303 (tree_gen_ic_func_profiler): New function
6304 (tree_profiling): Added calling of tree_gen_ic_func_profiler
6305 (tree_profile_hooks): Added hook for indirec/virtual calls
6306 * value-prof.c (tree_find_values_to_profile): New case for
6308 (tree_values_to_profile): Call for determining indirect/virtual
6310 (tree_indirect_call_to_profile): New function
6311 (tree_ic_transform): New function
6312 (tree_ic): New function
6313 (find_func_by_pid): New function
6314 (init_pid_map): New function
6315 (tree_value_profile_transformations): Added check for
6316 indirect/virtual call transformation
6317 * value-prof.h (enum hist_type): New counter type for
6318 indirect/virtual calls
6319 (profile_hooks): Added new hook for profiling indirect/virtual
6321 * profile.c (instrument_values): New case for indirect/virtual
6323 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
6324 (GCOV_COUNTER_V_INDIR): New counter type
6325 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
6326 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
6328 * cgraph.c: Definition of cgraph_max_pid
6329 (cgraph_create_node): Default init of pid attribute
6330 * cgraph.h: Declaration of cgraph_max_pid
6331 (struct cgraph_node): Added pid attribute
6332 * libgcov.c (__gcov_indirect_call_profiler): New function
6333 (__gcov_one_value_profiler_body): New function
6334 (__gcov_one_value_profiler): Body was moved to
6335 __gcov_one_value_profiler_body and calls it
6337 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
6339 * doc/gty.texi (Options): Document the mark_hook option to GTY.
6340 * gengtype.c (write_types_data, write_func_for_structure,
6341 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
6342 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
6343 (walk_type, write_func_for_structure): Generate the mark_hook if
6346 2007-01-19 Jan Hubicka <jh@suse.cz>
6348 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
6349 'early' argument take inlining mode argument specifying whether to
6350 inline for size/speeed or all functions; add support for flattening;
6352 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
6354 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6357 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
6358 the name of the declared identifier.
6360 2007-01-19 Dirk Mueller <dmueller@suse.de>
6362 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
6363 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
6364 duplicate evaluation.
6366 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
6368 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
6369 Macroize expander using X87MODEF12 mode macro. Extend operand 1
6370 to XFMode, use acosxf2 and truncate result to requested mode.
6371 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
6372 (asin<mode>2): Similarly, with asin expanders.
6373 (*fscalexf4_i387): Rename from *fscalexf4.
6374 (expNcorexf3): New expander.
6375 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
6376 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
6377 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
6378 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
6379 patterns for SSE math.
6380 (exp10<mode>2): Similarly, with exp10 expanders.
6381 (exp2<mode>2): Similarly, with exp2 expanders.
6382 (expm1<mode>2): Similarly, with expm1 expanders.
6383 (ldexp<mode>3): Similarly, with ldexp expanders.
6384 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
6385 Use gen_truncxf<mode>2_i387_noop to truncate result.
6387 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6389 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
6390 for ColdFire targets.
6392 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
6393 Richard Sandiford <richard@codesourcery.com>
6395 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
6396 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
6397 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
6398 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
6399 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
6400 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
6402 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6404 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
6405 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
6406 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
6407 (*adddi_dilshr32_cf): New pattern.
6408 (adddi3, subdi3): Remove first alternatives.
6410 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6412 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
6413 implemented using move.l, do not use its cc result for floating-point
6416 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6418 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
6419 from accepting 's' constraints if flag_pic.
6421 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6423 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
6424 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
6425 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
6426 condition from TARGET_68881 to TARGET_HARD_FLOAT.
6428 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
6430 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
6431 ColdFire alternatives.
6432 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
6433 * config/m68k/m68k.md (clzsi2): Define for ColdFire
6434 architectures that support ff1 instruction.
6436 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6437 Julian Brown <julian@codesourcery.com>
6439 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
6440 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
6441 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
6444 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6446 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
6448 (output_move_const_into_data_reg, output_move_simode_const): Delete.
6449 * config/m68k/m68k.c (const_method, const_int_cost): Take a
6450 HOST_WIDE_INT instead of an rtx.
6451 (m68k_rtx_costs): Update call accordingly.
6452 (output_move_const_into_data_reg): Likewise. Fix formatting.
6453 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
6455 (output_move_simode_const): Update calls after above changes.
6456 Rework to use automatic variables and predicates like MEM_P.
6457 * config/m68k/m68k.md (pushexthisi_const): Update call to
6460 2007-01-19 Dirk Mueller <dmueller@suse.de>
6462 * tree-ssa-alias.c (perform_var_substitution): Fix typo
6465 2007-01-19 Richard Guenther <rguenther@suse.de>
6467 * builtins.c (expand_builtin_cexpi): Fall back to expanding
6468 via cexp in case sincos is not available.
6470 2007-01-19 Richard Guenther <rguenther@suse.de>
6472 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
6473 * defaults.h (TARGET_HAS_SINCOS): Default to off.
6474 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
6475 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
6476 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
6477 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
6478 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
6479 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
6481 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
6483 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
6485 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
6486 (atan2xf3): Directly generate RTL pattern.
6487 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
6488 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
6489 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
6490 disable patterns for SSE math.
6491 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
6492 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
6493 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
6494 disable patterns for SSE math.
6496 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
6498 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
6500 2007-01-18 Roger Sayle <roger@eyesopen.com>
6502 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
6503 VIEW_CONVERT_EXPR to the same type as it's operand.
6505 2007-01-18 David Edelsohn <edelsohn@gnu.org>
6507 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
6508 configured for long double 128.
6510 2007-01-18 Mike Stump <mrs@apple.com>
6512 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
6515 2007-01-18 Michael Meissner <michael.meissner@amd.com>
6517 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
6520 2007-01-18 Jan Hubicka <jh@suse.cz>
6522 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
6523 greater than NUM_VOP_FREE_BUCKETS.
6525 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
6527 * tree-ssa-structalias.c: Update comments.
6528 (ptabitmap_obstack): Removed.
6530 (oldpta_obstack): Ditto.
6531 (stats): Add a few members.
6532 (struct variable_info): Remove node, complex, address_taken, and
6533 indirect_target members. Add oldsolution member.
6534 (new_var_info): Do not initialize removed members.
6535 (constraint_expr_type): Remove INCLUDES.
6536 (constraint_graph): Add size, implicit_preds, rep,
6537 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
6538 (FIRST_REF_NODE): New macro.
6539 (LAST_REF_NODE): Ditto.
6540 (FIRST_ADDR_NODE): Ditto.
6541 (find): New function.
6543 (dump_constraint): Do not handle INCLUDES.
6544 (insert_into_complex): Do not insert duplicate constraints.
6545 (condense_varmap_nodes): Renamed and rewritten into ...
6546 (merge_node_constraints): This. Also fix bug in handling of
6547 offseted copy constraints.
6548 (clear_edges_for_node): No longer need to deal with preds at all,
6549 or removing associated preds/succs.
6550 (merge_graph_nodes): Deal with indirect_cycles.
6551 Don't deal with predecessors.
6552 (add_implicit_graph_edge): New function.
6553 (add_pred_graph_edge): Ditto.
6554 (add_graph_edge): Don't deal with predecessors.
6555 (build_constraint_graph): Removed.
6556 (build_pred_graph): New function.
6557 (build_succ_graph): Ditto.
6558 (struct scc_info): Removed in_component. Added roots, dfs, and
6559 node_mapping. Remove visited_index, unification_queue.
6560 (scc_visit): Deal with union-find we do now.
6561 Deal with cycles with REF nodes.
6562 (collapse_nodes): Renamed and rewritten to ...
6563 (unify_nodes): This.
6564 (process_unification_queue): Removed.
6565 (topo_visit): Cleanup
6566 (do_da_constraint): Use find.
6567 (do_sd_constraint): Ditto.
6568 (do_ds_constraint): Ditto.
6569 (do_complex_constraint): Ditto.
6570 (init_scc_info): Update for removed and added members.
6571 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
6572 (find_indirect_cycles): This.
6573 (equivalence_class): New variable.
6574 (label_visit): New function.
6575 (perform_variable_substitution): Rewritten.
6576 (free_var_substitution_info): New function.
6577 (find_equivalent_node): Ditto.
6578 (move_complex_constraints): Ditto.
6579 (eliminate_indirect_cycles): Ditto.
6580 (solve_graph): Only propagate changed bits.
6581 Use indirect cycle elimination.
6583 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
6584 (tree_id_eq): Renamed to ...
6585 (tree_vi_eq): This. Update for member change
6586 (insert_id_for_tree): Renamed and rewritten to ...
6587 (insert_vi_for_tree): This.
6588 (lookup_id_for_tree): Renamed and rewritten to ...
6589 (lookup_vi_for_tree): This.
6590 (get_id_for_tree): Renamed and rewritten to ...
6591 (get_vi_for_tree): Ditto.
6592 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
6593 (process_constraint): Don't handle INCLUDES.
6594 Remove special ADDRESSOF case.
6595 (find_func_aliases): Rewrite to use vi functions instead of id
6597 (create_function_info_for): Ditto.
6598 (create_variable_info_for): Ditto.
6599 (intra_create_variable_infos): Ditto.
6600 (merge_smts_into): Ditto.
6601 (find_what_p_points_to): Ditto.
6602 (init_base_vars): Ditto.
6603 (init_alias_vars): Ditto.
6604 (remove_preds_and_fake_succs): New function.
6605 (dump_sa_points_to_info): Dump new stats.
6606 (dump_solution_for_var): Use find.
6607 (set_used_smts): Fix formatting.
6608 (compute_points_to_sets): Updated for new functions.
6609 (ipa_pta_execute): Ditto.
6611 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6612 Richard Sandiford <richard@codesourcery.com>
6614 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
6616 * calls.c (expand_call): If the return value is a PARALLEL,
6617 extract its first member.
6618 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
6619 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
6620 use FUNCTION_EXTRA_EPILOGUE.
6621 (m68k_function_value): Return a PARALLEL if the return value
6622 is of a pointer type.
6623 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
6624 (FUNCTION_EXTRA_EPILOGUE): Remove.
6625 * config/m68k/m68k.md (D0_REG): New constant.
6627 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6629 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
6630 output a NOP for empty epilogues.
6632 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6634 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
6635 before function. Extend register save check to include all
6636 registers, not just integer ones.
6638 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6640 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
6641 (m68k_use_return_insn): ...this.
6642 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
6643 * config/m68k/m68k.c (use_return_insn): Rename to...
6644 (m68k_use_return_insn): ...this.
6645 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
6648 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6650 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
6651 nearest even, fix denormal rounding overflow.
6653 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6655 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
6656 f%$smove and f%$move.
6657 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
6658 (extendsfdf2_cf): Use fdmove instead of f%&move.
6659 (truncdfsf2_cf): Use fsmove instead of f%$smove.
6660 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
6662 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6664 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
6667 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6669 * real.h (real_format): Add a canonical_nan_lsbs_set field.
6670 (coldfire_single_format): Declare.
6671 (coldfire_double_format): Likewise.
6672 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
6673 of qnan_msb_set to determine the lower bits of a canonical
6675 (encode_ieee_double): Likewise.
6676 (encode_ieee_quad): Likewise.
6677 (ieee_single_format): Initialize canonical_nan_lsbs_set.
6678 (mips_single_format): Likewise.
6679 (ieee_double_format): Likewise.
6680 (mips_double_format): Likewise.
6681 (ieee_extended_motorola_format): Likewise.
6682 (ieee_extended_intel_96_format): Likewise.
6683 (ieee_extended_intel_128_format): Likewise.
6684 (ieee_extended_intel_96_round_53_format): Likewise.
6685 (ibm_extended_format): Likewise.
6686 (mips_extended_format): Likewise.
6687 (ieee_quad_format): Likewise.
6688 (mips_quad_format): Likewise.
6689 (vax_f_format): Likewise.
6690 (vax_d_format): Likewise.
6691 (vax_g_format): Likewise.
6692 (i370_single_format): Likewise.
6693 (i370_double_format): Likewise.
6694 (decimal_single_format): Likewise.
6695 (decimal_double_format): Likewise.
6696 (decimal_quad_format): Likewise.
6697 (c4x_single_format): Likewise.
6698 (c4x_extended_format): Likewise.
6699 (real_internal_format): Likewise.
6700 (coldfire_single_format): New real_format.
6701 (coldfire_double_format): Likewise.
6702 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
6703 canonical_nan_lsbs_set.
6704 (pdp11_d_format): Likewise.
6705 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
6706 if TARGET_COLDFIRE_CPU.
6708 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6710 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
6711 (output_call, m68k_legitimize_call_address): Declare.
6712 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
6713 parenthesees. Add support for a 'W' constraint.
6714 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
6715 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
6716 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
6717 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
6719 (override_options): Initialize them. Do not set flag_no_function_cse
6720 for TARGET_ID_SHARED_LIBRARY.
6721 (m68k_output_pic_call): Delete.
6722 (m68k_legitimize_call_address): New function.
6723 (print_operand): Remove the %o prefix. Handle the %p prefix.
6724 (output_call): New function.
6725 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
6726 target address from the GOT if symbolic jumps are not allowed.
6727 * config/m68k/m68k.md (call, general_operand): Do not set
6728 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
6729 Merge separate flag_pic and !flag_pic define_insns into...
6730 (*call, *call_value): ...these new patterns. Match the address
6731 rather than the containing MEM and require it to be a call_operand.
6732 Use output_call to generate the asm template.
6733 * config/m68k/predicates.md (const_call_operand): New predicate.
6734 (call_operand): Likewise.
6736 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6738 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
6739 (STACK_GROWS_DOWNWARD): Define to 1.
6740 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
6741 comments, emphasizing that these values are only defaults.
6742 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
6743 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
6745 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6747 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
6749 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6750 Richard Sandiford <richard@codesourcery.com>
6752 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
6753 (FP_REGNO_P): New macros.
6754 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
6755 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
6756 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
6757 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
6759 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6761 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6762 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
6764 * config/m68k/t-floatlib: New file, extracting common code from...
6765 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
6766 * config/m68k/t-uclinux: Here.
6767 * config/m68k/fpgnulib.c: Do not compile extendeed precision
6768 routines on ColdFire targets.
6770 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6772 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6773 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
6774 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
6775 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
6776 explicitly set MOTOROLA to 1.
6777 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
6779 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6780 Nathan Sidwell <nathan@codesourcery.com>
6782 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
6783 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
6784 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
6785 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
6786 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
6787 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
6788 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
6789 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
6790 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
6791 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
6792 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
6793 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
6794 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
6795 (DBX_REGISTER_NUMBER): Delete.
6796 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
6797 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
6798 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
6800 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6802 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
6803 * config/flat.h: New file.
6804 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
6806 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
6807 indirect references for -msep-data or -mid-shared-library.
6808 Do not use PC-relative code addresses either.
6809 * config/m68k/m68k.c (override_options): Restrict -fPIC error
6811 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
6812 for shared libraries and crt1.o for executables. Use crti.o and
6814 (ENDFILE_SPEC): Use crtend.o and crtn.o.
6815 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
6816 Do not add -elf2flt or -shared-lib-id options here.
6817 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
6818 Pass -shared-lib-id if -mid-shared-library, taking the library
6819 identifier from -mshared-library-id if given, otherwise
6821 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
6822 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
6823 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
6824 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
6825 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
6826 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
6828 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
6829 jump sequence for ISA A and ISA A+.
6830 (PICJUMP): Likewise.
6832 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6834 * config.gcc (m68k-*-uclinux*): Base the port on the common
6835 and m68k GNU/Linux files rather than on the generic ELF ones.
6836 * config/m68k/uclinux.h (TARGET_VERSION): Override.
6837 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
6839 2007-01-18 Julian Brown <julian@codesourcery.com>
6840 Richard Sandiford <richard@codesourcery.com>
6842 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
6843 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
6844 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
6846 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
6848 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
6850 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6852 * doc/install.texi: Document m68k-uclinuxoldabi.
6853 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
6854 * config/m68k/uclinux-oldabi.h: New file, copied from
6855 config/m68k/uclinux.h.
6857 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
6859 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
6860 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
6861 (m32r_compute_frame_size): Use unsigned for regno.
6862 (m32r_reload_lr): Use gen_frame_mem.
6864 (m32r_output_function_epilogue): Don't output the function epilogue
6866 (m32r_expand_epilogue): New.
6867 (direct_return): Return false if the function has the interrupt
6869 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
6870 * config/m32r/m32r.md (epilogue): New expander.
6871 (return_lr, return_rte): New insns.
6872 (return): Make it expander.
6873 (return_normal): New expander.
6875 2007-01-18 Josh Conner <jconner@apple.com>
6878 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
6879 support for UNLE, UNLT, UNGE, and UNGT.
6881 2007-01-18 Jan Hubicka <jh@suse.cz>
6883 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
6884 * tree-tailcall (add_virtual_phis): Likewise.
6885 (optimize_tail_call): Return TODOs.
6886 (execute_tail_calls): Return TODOs.
6887 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
6888 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
6890 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6891 Cleanup cfg using TODO.
6892 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
6893 * passes.c (execute_function_todo): When cleanup did something, remove
6895 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
6896 (make_edges): Don't cleanup_cfg.
6898 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
6900 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
6901 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
6902 operate on the top of stack.
6903 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
6904 register handling of instructions that output to the second
6906 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
6907 (move_for_stack_reg): Special-case check for dead destination
6908 stack slot for constant load of 1.0 inside UNSPEC_TAN.
6910 * config/i386/i386.md (UNSPEC_TAN): New constant.
6911 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
6912 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
6913 to correctly model move of constant 1.0 to top stack slot.
6914 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
6915 (unnamed peephole2 pattern): Remove corresponding peephole2
6916 pattern that optimizes tan insn and loading of constant 1.0.
6917 (tanxf2): Use fptanxf4_i387.
6918 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
6919 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
6920 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
6921 disable patterns for SSE math.
6922 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
6923 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
6925 2007-01-18 Dirk Mueller <dmueller@suse.de>
6926 Richard Guenther <rguenther@suse.de>
6929 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
6930 * common.opt (Warray-bounds): Add new warning option.
6931 * c-opts.c (c_common_handle_option): Define -Warray-bounds
6933 * Makefile.in: make tree-vrp.o depend on toplev.h
6934 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
6936 (check_array_refs, check_array_bounds, check_array_ref): New.
6938 2007-01-18 Jan Hubicka <jh@suse.cz>
6940 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
6941 (execute_ssa_ccp): Return flags conditionally.
6942 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
6944 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
6946 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
6948 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
6949 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
6951 * Makefile.c (GTFILES): Add cfglayout.h.
6952 * gengtype.c (open_base_files): Likewise.
6953 * cfglayout.c (cfg_layout_function_footer,
6954 cfg_layout_function_header) Reindent to make gengtype happy.
6955 * cfglayout.h (cfg_layout_function_footer,
6956 cfg_layout_function_header): Add GTY(()) marker.
6958 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
6960 2007-01-18 Ben Elliston <bje@au.ibm.com>
6962 * genautomata.c (write_automata): Include xstrerror output in the
6963 error message if writing the DFA description file fails.
6965 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
6967 * config/mips/mips-protos.h (mips_output_external): Make it
6969 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
6970 * config/mips/mips.c (irix_output_external_libcall): Likewise.
6971 (extern_list): Likewise.
6972 (extern_head): Likewise.
6973 (TARGET_ASM_FILE_END): Likewise.
6974 (mips_file_end): Likewise.
6975 (mips_output_external): Rewritten.
6977 2007-01-18 Ben Elliston <bje@au.ibm.com>
6979 * genpreds.c (write_insn_preds_c): Only write out the function
6980 body for regclass_for_constraint if we have register constraints.
6982 2007-01-17 Tom Tromey <tromey@redhat.com>
6984 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
6985 * doc/install.texi (Testing): Use sourceware.org.
6986 (Binaries): Likewise.
6987 (Specific): Likewise.
6988 * doc/contrib.texi (Contributors): Use sourceware.org.
6990 2007-01-17 Anatoly Sokolov <aesok@post.ru>
6992 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
6993 (AVR_ENHANCED): Rename to ...
6994 (AVR_HAVE_MUL): ... new.
6995 (avr_enhanced_p): Rename to ...
6996 (avr_have_mul_p): ... new.
6997 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
6998 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
6999 * config/avr/avr.c (avr_enhanced_p): Rename to ...
7000 (avr_have_mul_p): ... new.
7001 (base_arch_s): Rename 'enhanced' to 'have_mul'.
7002 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
7003 'avr_enhanced_p' and 'enhanced'.
7004 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
7005 AVR_HAVE_MUL instead of AVR_ENHANCED.
7006 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7007 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
7008 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
7009 instead of AVR_ENHANCED.
7010 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7011 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
7012 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
7014 2007-01-17 Ian Lance Taylor <iant@google.com>
7016 * vec.h (VEC_reserve_exact): Define.
7017 (vec_gc_p_reserve_exact): Declare.
7018 (vec_gc_o_reserve_exact): Declare.
7019 (vec_heap_p_reserve_exact): Declare.
7020 (vec_heap_o_reserve_exact): Declare.
7021 (VEC_OP (T,A,reserve_exact)): New static inline function, three
7023 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
7025 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
7026 (VEC_OP (T,A,copy)) [all versions]: Likewise.
7027 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
7028 * vec.c (calculate_allocation): Add exact parameter. Change all
7030 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
7031 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
7032 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
7033 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
7034 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
7035 (vec_heap_p_reserve_exact): New function.
7036 (vec_heap_o_reserve_exact): New function.
7038 2007-01-17 Jan Hubicka <jh@suse.cz>
7040 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
7042 2007-01-17 Eric Christopher <echristo@apple.com>
7044 * config.gcc: Support core2 processor.
7046 2007-01-16 Jan Hubicka <jh@suse.cz>
7048 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
7049 the names, just unlink the chain so we don't crash on dangling pointers
7052 2007-01-16 Jan Hubicka <jh@suse.cz>
7054 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
7055 * tree-pass.h: Reorder to make IPA passes appear toegher.
7056 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
7057 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
7058 parameters, do not call early inliner.
7059 * ipa-inline.c: Update comments. Include tree-flow.h
7060 (cgraph_decide_inlining): Do not compute inlining parameters.
7061 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
7062 be called with function context set up.
7063 (pass_ipa_inline): Remove unreachable functions before pass.
7064 (cgraph_early_inlining): Simplify assuming to be called from the
7066 (pass_early_inline): New pass.
7067 (cgraph_gate_ipa_early_inlining): New gate.
7068 (pass_ipa_early_inline): Turn into simple wrapper.
7069 (compute_inline_parameters): New function.
7070 (gate_inline_passes): New gate.
7071 (pass_inline_parameters): New pass.
7072 (apply_inline): Move here from tree-optimize.c
7073 (pass_apply_inline): New pass.
7074 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
7076 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
7078 (tree_function_versioning): Do not allocate dummy struct function.
7079 * tree-inline.h (optimize_inline_calls): Update prototype.
7080 * tree-optimize.c (execute_fixup_cfg): Export.
7081 (pass_fixup_cfg): Remove
7082 (tree_rest_of_compilation): Do not apply inlines.
7083 * tree-flow.h (execute_fixup_cfg): Declare.
7084 * Makefile.in (gt-passes.c): New.
7085 * passes.c: Include gt-passes.h
7086 (init_optimization_passes): New passes.
7087 (nnodes, order): New static vars.
7088 (do_per_function_toporder): New function.
7089 (execute_one_pass): Dump current pass here.
7090 (execute_ipa_pass_list): Don't dump current pass here.
7092 2007-01-16 Janis Johnson <janis187@us.ibm.com>
7094 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
7095 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
7097 2007-01-16 David Edelsohn <edelsohn@gnu.org>
7099 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
7100 (strong_alias): Define.
7101 (__gcc_qmul): Provide non-FMA for soft-float.
7107 (__gcc_qunord): New.
7117 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
7118 soft-float functions.
7119 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
7120 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
7121 about long double soft float.
7123 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
7124 Tehila Meyzels <tehila@il.ibm.com>
7126 * tree-vectorizer.h (is_pattern_stmt_p): New.
7127 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
7128 formatting (tabs instead of spaces). Cleanup and clarify setting
7129 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
7130 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
7131 (vectorizable_type_demotion): Check that types are integral.
7132 (vectorizable_type_promotion): Likewise.
7133 (vectorizable_store): Fix typo. Eliminate new-line at end of
7136 2007-01-16 Jan Hubicka <jh@suse.cz>
7138 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
7141 2007-01-15 Eric Christopher <echristo@apple.com>
7143 * ifcvt.c: Include vec.h, vecprim.h.
7144 (check_cond_move_block): New argument regs.
7145 Reorganize. Add registers used to regs.
7146 (cond_move_process_if_block): Use regs set above as
7149 2007-01-15 Eric Christopher <echristo@apple.com>
7151 * config/darwin.h: Update copyright.
7152 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
7153 (LINK_COMMAND_SPEC): Add -u.
7154 (LINK_SPEC): Fix umbrella for above.
7156 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
7158 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
7161 2007-01-15 Tom Tromey <tromey@redhat.com>
7163 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
7164 * doc/install.texi (Testing): Don't mention jacks.
7165 (Configuration): Document --enable-java-maintainer-mode. Move
7166 --with-java-home to libgcj-specific section. Document
7168 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
7170 2007-01-15 Jan Hubicka <jh@suse.cz>
7172 * tree-ssa-dce.c (DCE_TODOs): New.
7173 (propagate_necessity): Return if something changed.
7174 (eliminate_unnecessary_stmts): Likewise.
7175 (perform_tree_ssa_dce): Return TODO flags when needed.
7176 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
7178 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
7180 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
7181 (fyl2x_extend<mode>xf3_i387): New insn pattern.
7182 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
7183 patterns using X87MODEF12 mode macro. Extend operand 1
7184 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
7185 (log10<mode>2): Ditto.
7186 (log2<mode>2): Ditto.
7187 (log1p<mode>2): Ditto.
7188 (logb<mode>2): Ditto.
7189 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
7190 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
7191 (*fxtractxf3_i387): Rename from *fxtractxf3.
7192 (fxtract_extend<mode>xf3_i387): New insn pattern.
7193 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
7194 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
7195 and gen_fyl2xxf3_i387().
7197 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7199 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
7200 * cfgloopmanip.c (fix_loop_placement): Made static. Use
7201 get_loop_exit_edges. Changed return type to bool.
7202 * cfgloop.h (fix_loop_placement): Declaration removed.
7204 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
7206 * param.h (MIN_VECT_LOOP_BOUND): New.
7207 * params.def (MIN_VECT_LOOP_BOUND): New.
7208 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
7209 argument - minimum threshold for number of iterations.
7210 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
7211 argument to declaration.
7212 * tree-vect-analyze.c (vect_analyze_operations): Check value of
7213 MIN_VECT_LOOP_BOUND.
7214 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
7215 slpeel_tree_peel_loop_to_edge with additional argument.
7216 (vect_do_peeling_for_alignment): Likewise.
7217 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
7219 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
7222 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
7225 2007-01-14 Jan Hubicka <jh@suse.cz>
7227 * tree-dfa.c (remove_referenced_var): New function.
7228 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
7229 prune referenced vars list too.
7230 * tree-flow.h (remove_referenced_var): Declare.
7232 2007-01-14 Jan Hubicka <jh@suse.cz>
7234 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
7236 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
7237 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
7238 * except.h (verify_eh_throw_table_statements): Kill prototype.
7239 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
7240 into call exrepssions.
7241 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
7243 * tree-cfg.c: Include pointer-set.h.
7244 (verify_node_sharing): Work on pointer set.
7245 (verify_eh_throw_stmt_node): New.
7246 (verify_stmts): Use pointers sets, verify throw_stmt.
7248 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
7250 * ipa-reference.c (analyze_function): Consider also addresses taken
7253 2007-01-12 Roger Sayle <roger@eyesopen.com>
7255 * c-typeck.c (null_pointer_constant_p): Replace use of
7256 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7257 (build_c_cast): Likewise.
7259 2007-01-12 Roger Sayle <roger@eyesopen.com>
7261 * tree.h (force_fit_type_double): Remove unused final argument.
7262 * c-common.c (constant_expression_warning): Replace use of
7263 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7264 (convert_and_check): Likewise.
7265 (shorten_compare): Update call to force_fit_type_double.
7266 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
7267 * convert.c (convert_to_pointer): Update call to
7268 force_fit_type_double.
7269 * fold-const.c (force_fit_type_double): Remove overflowed_const
7271 (int_const_binop, fold_convert_const_int_from_int,
7272 fold_convert_const_int_from_real, fold_div_compare,
7273 fold_sign_changed_comparison, fold_unary, fold_negate_const,
7274 fold_abs_const, fold_not_const): Remove the final argument from
7275 calls to force_fit_type_double.
7277 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
7279 * configure.ac: Set insn to "nop" for spu-*-* also.
7280 * configure: Regenerate.
7282 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
7284 * builtins.def : Add BUILT_IN_FREE.
7286 2007-01-12 Jan Hubicka <jh@suse.cz>
7288 PR tree-optimization/30443
7289 * tree-inline.c (tree_function_versioning): Do not optimize when
7290 cloning for inlining.
7292 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
7294 * doc/loop.texi: Document recording of loop exits.
7295 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
7296 (update_single_exits_after_duplication,
7297 update_single_exit_for_duplicated_loop,
7298 update_single_exit_for_duplicated_loops): Removed.
7299 (duplicate_loop_to_header_edge): Do not call
7300 update_single_exits_after_duplication and
7301 update_single_exit_for_duplicated_loops.
7302 (loop_version): Do not update single_exit information.
7303 (fix_loop_structure): Use record_loop_exits instead of
7304 mark_single_exit_loops.
7305 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
7306 the lists of loop exits.
7307 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
7308 split_edge, merge_blocks): Update the lists of loop exits.
7309 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
7310 loop_optimizer_init.
7311 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
7312 of mark_single_exit_loops.
7313 (loop_optimizer_finalize): Call release_recorded_exits.
7314 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
7315 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
7316 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
7317 update single exit information.
7318 * lambda-code.c (perfect_nestify): Ditto.
7319 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
7320 (mark_single_exit_loops): Removed.
7321 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
7322 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
7323 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
7325 (get_loop_exit_edges, single_exit): Use recorded exit lists.
7326 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
7327 (verify_loop_structure): Verify consistency of the exit lists.
7328 (flow_loops_find): Use alloc_loop. Initialize exits hash.
7329 (set_single_exit): Removed.
7330 * cfgloop.h (struct loop_exit): New function.
7331 (struct loop): single_exit_ field replaced by exits field.
7332 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
7333 (struct loops): Added exits hash.
7334 (mark_single_exit_loops, set_single_exit): Declaration removed.
7335 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
7337 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7339 * doc/invoke.texi: Avoid use of @headitem.
7341 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7343 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
7345 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7347 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
7350 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
7351 Richard Sandiford <richard@codesourcery.com>
7353 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
7354 * config/m68k/m68k.opt: Resort options.
7355 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
7357 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
7358 Richard Sandiford <richard@codesourcery.com>
7360 * doc/invoke.texi: Document the macros that are defined by
7361 m68k's -mtune and -mhard-float options.
7362 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
7363 (m68k_cpp_cpu_family): Likewise.
7364 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
7365 of __ucfv*__ macros. Define __mcffpu__ if generating code for
7366 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
7367 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
7368 (m68k_cpp_cpu_family): Likewise.
7370 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7372 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
7373 macros besides mc68000 as tuning macros. Use a switch statement
7374 to set them and mcpu32.
7376 2007-01-12 Julian Brown <julian@codesourcery.com>
7378 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
7379 (TARGET_68040_ONLY): Rename to...
7380 (TARGET_68040): ...this.
7381 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
7382 * config/m68k/m68k.md: Likewise.
7384 2007-01-12 Julian Brown <julian@codesourcery.com>
7385 Nathan Sidwell <nathan@codesourcery.com>
7386 Richard Sandiford <richard@codesourcery.com>
7388 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
7389 the -mcpu= argument associated with the --with-cpu setting.
7390 Define M68K_DEFAULT_TUNE to the default -mtune= option,
7391 if different from the one implied by the -mcpu setting.
7392 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
7393 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
7394 * doc/invoke.texi: Mention ColdFire in the introduction to the
7395 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
7396 -mno-div and -mhard-float options. Make -m68881 a synonym for
7397 -mhard-float. Document the previously-undocumented -m5206e,
7398 -m528x, -m5307 and -m5407 options. Tweak the existing option
7399 documentation for consistency.
7400 * doc/install.texi: Mention new --with-cpu arguments.
7401 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
7402 default CPU if neither -mcpu nor -march are specified.
7403 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
7404 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
7405 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
7406 using m68k_tune to decide between families that implement the
7407 same ISA. Use m68k_tune to set __mcfv4e__.
7408 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
7409 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
7410 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
7411 (FL_ISA_C, FL_ISA_MMU): New macros.
7412 (MASK_COLDFIRE): Delete.
7413 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
7414 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
7415 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
7416 (TARGET_HARD_FLOAT): Do not define here.
7417 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
7418 (TUNE_68000): New macro.
7419 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
7420 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
7421 (TUNE_CFV2): Redefine in terms of m68k_tune.
7422 (uarch_type, target_device, fpu_type): New enums.
7423 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
7424 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
7425 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
7426 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
7427 (FL_FOR_isa_c): New macros.
7428 (m68k_isa): New enum.
7429 (m68k_target_selection): New structure.
7430 (all_devices, all_isas, all_microarchs): New tables.
7431 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
7432 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
7433 (MASK_ALL_CPU_BITS): Delete.
7434 (m68k_find_selection): New function.
7435 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
7436 Map the legacy target options to a combination of the new ones.
7437 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
7438 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
7439 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
7441 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
7442 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
7444 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
7445 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
7446 * config/m68k/m68k-devices.def: New file.
7448 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7449 Nathan Sidwell <nathan@codesourcery.com>
7451 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
7452 (SUBTARGET_EXTRA_SPECS): New macros.
7453 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
7454 use %(asm_cpu_spec) instead.
7455 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
7456 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
7457 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
7458 (EXTRA_SPECS): Rename to...
7459 (SUBTARGET_EXTRA_SPECS): ...this.
7461 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
7462 Richard Sandiford <richard@codesourcery.com>
7463 Julian Brown <julian@codesourcery.com>
7465 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7466 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
7467 to the configuration's default CPU.
7468 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
7469 Remove default masks.
7470 (m680[012]0-*-*): Set the default with_cpu to the first part of
7472 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
7473 (m68k*-*-linux): Extend the --with-cpu handling to...
7474 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
7475 and m68010. Don't set target_cpu_default2.
7476 * doc/install.texi: Document --with-cpu for m68k.
7477 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
7478 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
7479 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
7480 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
7481 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
7482 (ASM_SPEC): Remove use of %(asm_cpu_default).
7483 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
7484 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
7485 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
7486 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
7487 __HAVE_FPU__ if TARGET_HARD_FLOAT.
7488 (TARGET_DEFAULT): Delete.
7489 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
7490 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
7491 (CPP_CPU_SPEC): Delete.
7492 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
7493 the appropriate string.
7494 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
7495 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
7496 (ASM_SPEC): Don't use %(asm_default_spec).
7497 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7498 TARGET_DEFAULT and add MASK_68881.
7499 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
7501 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7503 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
7504 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
7505 MASK_68010 alongside MASK_68020.
7506 * doc/invoke.texi: Document -m68010.
7507 * config/m68k/m68k.opt (m68010): New.
7508 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
7510 (TUNE_68010): New macro.
7511 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
7512 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
7513 (M68K_CPU_m68332): Add MASK_68010.
7514 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
7515 fallback definition.
7516 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
7518 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
7519 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
7520 to all entries that use MASK_68020.
7521 (output_move_simode_const, output_move_himode, output_move_qimode)
7522 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
7523 instead of TARGET_68020 to select clr behavior. Remove comment
7524 about there being no TARGET_68010.
7525 * config/m68k/m68k.md: Likewise throughout.
7527 2007-01-12 Julian Brown <julian@codesourcery.com>
7529 * config/m68k/m68k.h (TARGET_ISAB): New macro.
7530 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
7531 * config/m68k/m68k.md: Likewise.
7533 2007-01-12 Julian Brown <julian@codesourcery.com>
7535 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
7536 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
7538 2007-01-12 Julian Brown <julian@codesourcery.com>
7540 * config/m68k/m68k.h (TUNE_68040_60): New macro.
7541 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
7542 * config/m68k/m68k.md: Likewise.
7544 2007-01-12 Julian Brown <julian@codesourcery.com>
7545 Richard Sandiford <richard@codesourcery.com>
7547 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
7548 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
7549 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
7551 (TARGET_CPU32): Rename to...
7552 (TUNE_CPU32): ...this.
7553 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
7554 (TUNE_CFV2): New macros.
7555 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
7556 remove conditions that are implied by TARGET_68020.
7557 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
7558 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
7559 (m68k_output_function_epilogue): Likewise.
7560 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
7561 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
7562 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
7563 non-68000 timings. Refactor multiplication and division costs.
7564 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
7565 TUNE_CPU32 instead of TARGET_CPU32.
7566 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
7567 and TUNE_68060 instead of TARGET_68060.
7568 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
7569 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
7571 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
7572 && !TARGET_COLDFIRE" to choose between moveq and clr.
7573 Likewise in the unnamed movsf pattern.
7574 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
7575 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
7578 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7580 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
7581 of tabbing before backslashes.
7583 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7585 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
7586 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
7587 (ASM_OUTPUT_INTERNAL_LABEL): Define.
7589 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7591 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
7592 find_interesting_uses_cond.
7593 (find_interesting_uses_cond): Use extract_cond_operands.
7594 (rewrite_use_compare): Use extract_cond_operands and
7595 force_gimple_operand_bsi. Do not call update_stmt.
7596 (determine_use_iv_cost_condition): Use extract_cond_operands.
7597 Return cheaper of using original bound and changing the exit bound.
7599 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7601 PR tree-optimization/29516
7602 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
7603 most_expensive_mult_to_index, addr_to_parts,
7604 create_mem_ref, maybe_fold_tmr): Make the type of
7605 fields of TARGET_MEM_REF sizetype.
7606 (move_fixed_address_to_symbol, move_pointer_to_base):
7608 * tree.def (TARGET_MEM_REF): Add comment on types of
7611 2007-01-11 Joseph Myers <joseph@codesourcery.com>
7613 * c-common.c (vector_types_convertible_p): Treat opaque types as
7614 always convertible if they have the same size, but not otherwise.
7616 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
7618 * ifcvt.c (struct noce_if_info): Add comments to the fields.
7619 Remove the b_unconditional field.
7620 (noce_try_sign_mask): Do not look at b_unconditional.
7621 (noce_process_if_block): Do not use merge_if_blocks. Update
7622 the CFG here. Do not set b_unconditional.
7623 (cond_move_process_if_block): Likewise.
7624 (find_cond_trap): Likewise.
7625 (check_cond_move_block): Require simple jump insns at the end
7628 2007-01-11 Jan Hubicka <jh@suse.cz>
7630 PR tree-optimization/1046
7631 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
7632 when alias info is not ready.
7633 (pass_tail_recursion): Do not require aliasing.
7634 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
7635 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
7636 * tree-ssa-copy.c (pass_copy_prop): Likewise.
7637 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
7638 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
7639 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
7640 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
7642 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
7643 When aliasing is not build, mark statement as volatile.
7645 2007-01-11 Tom Tromey <tromey@redhat.com>
7647 PR preprocessor/15185, PR preprocessor/20989:
7648 * doc/cppopts.texi <-MT>: Update description of algorithm for
7649 computing default target.
7650 <-M, -MD>: Reword "basename" text.
7652 2007-01-11 Roger Sayle <roger@eyesopen.com>
7654 * builtins.c (expand_builtin_pow, expand_builtin_powi,
7655 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
7656 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
7657 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
7658 fold_builtin_bswap, real_constp, fold_builtin_pow,
7659 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
7660 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
7661 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7662 * convert.c (convert_to_pointer): Likewise.
7663 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
7664 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
7665 const_binop, fold_convert_const_int_from_int,
7666 fold_convert_const_int_from_real,
7667 fold_convert_const_real_from_real, sign_bit_p,
7668 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
7669 fold_sign_changed_comparison, fold_unary, fold_comparison,
7670 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
7671 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
7672 * print-tree.c (print_node_brief, print_node): Likewise.
7673 * stor-layout.c (place_field, layout_type): Likewise.
7674 * tree-chrec.c (keep_cast): Likewise.
7675 * tree.c (build_vector, build_real, build_real_from_int_cst,
7676 build_complex): Likewise.
7678 2007-01-11 Roger Sayle <roger@eyesopen.com>
7680 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
7681 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
7683 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
7685 * configure.ac (strict1_warn): Rename to strict_warn.
7686 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
7687 cc_set_by_configure, quoted_cc_set_by_configure,
7688 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
7689 all_boot_languages, all_stagestuff): Remove.
7690 (target_list): Remove bootstrap targets.
7691 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
7692 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
7693 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
7694 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
7695 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
7696 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
7697 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
7698 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
7699 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
7700 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
7701 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
7702 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
7703 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
7704 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
7705 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
7706 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
7707 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
7708 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
7709 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
7710 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
7711 (mostlyclean): Adjust.
7712 (clean, distclean): Don't mention bootstrap stuff.
7713 * configure: Regenerate.
7714 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
7715 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
7716 treelang/config-lang.in (stagestuff): Remove.
7717 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
7718 stageprofile, stagefeedback, stagestuff): Remove mention.
7720 2007-01-11 Nick Clifton <nickc@redhat.com>
7722 * config/mcore/predicates.md (mcore_general_movesrc_operand):
7724 (mcore_general_movdst_operand): Do not accept CONST_INTs.
7725 (mcore_arith_K_S_operand): Run the test for the S constraint not
7726 the test for the M constraint.
7727 (mcore_addsub_operand): Do not accept integer values that are
7728 larger than 32 bits.
7729 * config/mcore/mcore.md: Remove unused constraints from split.
7730 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
7732 (allocate_stack): Likewise.
7733 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
7734 operands to 32 bits.
7735 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
7737 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
7738 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
7739 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
7740 mcore_output_bclri, mcore_output_andn, output_inline_const,
7741 mcore_output_move, mcore_output_movedouble): Likewise.
7742 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
7743 (output_inline_const): Likewise.
7744 (output_inline_const): Fix format strings used in sprintf
7746 * config/mcore/mcore-protos.h: Update prototypes for changed
7747 functions in mcore.c.
7748 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
7749 HOST_WIDE_INT and not int.
7750 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
7751 CONST_OK_FOR_N): Likewise.
7752 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
7753 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
7756 2007-01-10 Jan Hubicka <jh@suse.cz>
7758 * tree-vrp.c (remove_range_assertions): Release defs.
7759 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
7760 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
7762 2007-01-10 Paul Brook <paul@codesourcery.com>
7764 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
7765 * config/arm/arm.md (mulsi3subsi): New insn.
7767 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
7769 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
7770 (tree_transform_and_unroll_loop): New.
7771 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
7774 2007-01-10 Robert Kennedy <jimbob@google.com>
7776 * fold-const.c (fold_comparison): Fold comparisons like (x *
7777 1000 < 0) to (x < 0).
7779 2007-01-10 Ian Lance Taylor <iant@google.com>
7781 * tree-pretty-print.c (dump_generic_node): Print parentheses when
7782 operands have the same priority.
7784 2007-01-10 Tom Tromey <tromey@redhat.com>
7786 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
7787 (fold_binary): Likewise.
7788 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
7789 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
7790 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
7791 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
7792 * langhooks.h (struct lang_hooks): Removed field
7793 'can_use_bit_fields_p'.
7795 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
7797 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
7799 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
7801 * function.c (get_last_funcdef_no): New function.
7802 * function.h (get_last_funcdef_no): Declare.
7803 * tree-inline.c (initialize_cfun): Add initialization.
7804 (tree_function_versioning): Cleanup.
7806 2007-01-10 Jan Hubicka <jh@suse.cz>
7808 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
7811 2007-01-10 Sa Liu <saliu@de.ibm.com>
7812 Ben Elliston <bje@au.ibm.com>
7814 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
7815 for SAVE_NONLOCAL and Pmode for any other save level.
7816 * spu-protos.h (spu_restore_stack_block): Declare.
7817 * spu.md (save_stack_block): Remove.
7818 (restore_stack_block): Call spu_restore_stack_block.
7819 * spu.c (spu_restore_stack_block): New function.
7820 (spu_expand_epilogue): Remove old comment.
7822 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
7824 PR tree-optimization/30322
7825 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
7826 (cand_value_at): Return the value as aff_tree.
7827 (may_eliminate_iv): Convert the bound from aff_tree to tree.
7828 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
7829 aff_combination_mult): New functions.
7830 (aff_combination_add): Use aff_combination_add_cst.
7831 (aff_combination_convert): Allow conversions to a wider type.
7832 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
7833 * tree-affine.h (aff_combination_mult): Declare.
7835 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
7837 * doc/tm.texi: Update documentation to reflect reality of exec
7838 and start file search behaviours. Update copyright year.
7839 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
7840 header file directories.
7842 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
7844 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
7845 (*cosxf2): Rename to cosxf2_i387.
7846 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
7847 using X87MODEF12 mode macro. Rename patterns to
7848 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
7850 (*cosdf2, *cossf2): Ditto.
7851 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
7852 to match extended input operands.
7853 (sincos<mode>3): New expander.
7854 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
7855 insn patterns and corresponding splitters.
7857 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
7859 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
7860 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
7862 2007-01-09 Nicolas Pitre <nico@cam.org>
7865 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
7867 2007-01-08 Geoffrey Keating <geoffk@apple.com>
7869 * target.h (struct gcc_target): New field library_rtti_comdat.
7870 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
7871 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
7872 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
7873 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
7875 2007-01-08 Geoffrey Keating <geoffk@apple.com>
7877 * doc/invoke.texi (Optimize Options): Correct description of -O0.
7879 2007-01-08 Richard Guenther <rguenther@suse.de>
7881 * tree.h (force_fit_type_double): Export.
7882 (force_fit_type): Remove.
7883 * fold-const.c (force_fit_type_double): New function.
7884 (force_fit_type): Remove.
7885 (int_const_binop): Use it.
7886 (fold_convert_const_int_from_int): Likewise.
7887 (fold_convert_const_int_from_real): Likewise.
7888 (fold_div_compare): Likewise.
7889 (fold_sign_changed_comparison): Likewise.
7890 (fold_unary): Likewise.
7891 (fold_negate_const): Likewise.
7892 (fold_abs_const): Likewise.
7893 (fold_not_const): Likewise.
7894 * c-common.c (shorten_compare): Use force_fit_type_double.
7895 * convert.c (convert_to_pointer): Likewise.
7897 2007-01-08 Richard Guenther <rguenther@suse.de>
7899 * tree.h (build_int_cst_wide_type): Export.
7900 * tree.c (build_int_cst_wide_type): New function.
7901 (build_int_cst_wide): Fix comment.
7902 * builtins.c (fold_builtin_object_size): Use build_int_cst
7903 to build -1 or 0 of the correct type. Use fit_double_type
7904 to check for overflow.
7905 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
7907 (decode_field_reference): Likewise.
7908 (all_ones_mask_p): Likewise.
7909 (native_interpret_int): Use build_int_cst_wide_type.
7910 (fold_binary): Use build_int_cst_type to build an all-ones
7912 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
7914 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
7916 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
7918 2007-01-09 Ben Elliston <bje@au.ibm.com>
7920 * genautomata.c (STATS_OPTION): New option.
7921 (stats_flag): New flag.
7922 (gen_automata_option): Handle it.
7923 (initiate_automaton_gen): Ditto.
7924 (write_automata): Output statistics only if stats_flag is
7925 set. Likewise, output time statistics only if time_flag is set.
7926 * doc/md.texi (Processor pipeline description): Document new flag.
7928 2007-01-08 Richard Guenther <rguenther@suse.de>
7930 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
7931 * tree.c (build_int_cst_type): Likewise.
7932 (size_in_bytes): Don't call force_fit_type on the result.
7933 (int_fits_type_p): Use fit_double_type.
7934 * fold-const.c (fit_double_type): New function.
7935 (force_fit_type): Use it.
7936 * tree.h (fit_double_type): Export.
7938 2007-01-08 Jan Hubicka <jh@suse.cz>
7940 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
7941 * ipa.c (function_and_variable_visibility): Fix return type.
7943 2007-01-08 Richard Guenther <rguenther@suse.de>
7945 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
7946 of offset to build the index.
7947 * tree-pretty-print.c (dump_generic_node): Don't build negated
7948 const just for printing.
7949 * c-pretty-print.c (pp_c_integer_constant): Likewise.
7950 * builtins.c (fold_builtin_int_roundingfn): Check if result
7951 fits the type by using force_fit_type and comparing the result.
7952 * predict.c (predict_loops): Use compare_tree_int for comparison.
7953 * tree.c (build_int_cst): Fall back to integer_type_node for
7955 (build_int_cst_wide): Assert type is non-null.
7957 2007-01-08 Roberto Costa <roberto.costa@st.com>
7959 * tree-vrp.c (extract_range_from_cond_expr): New.
7960 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
7961 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
7963 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
7964 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
7965 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
7966 used as expressions.
7967 * tree-object-size.c (cond_expr_object_size): New.
7968 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
7970 2007-01-08 Jan Hubicka <jh@suse.cz>
7972 * tree-ssa-forwprop.c (forward_propagate_into_cond,
7973 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
7976 2007-01-08 Richard Guenther <rguenther@suse.de>
7978 PR tree-optimization/23603
7979 * tree-vrp.c (set_value_range_to_truthvalue): New function.
7980 (extract_range_from_binary): Fall back to truthvalue instead of
7981 varying for TRUTH_*_EXPR.
7982 (extract_range_from_comparison): Fall back to truthvalue instead of
7984 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
7985 if all visited PHI values were constant.
7987 2007-01-08 Jan Hubicka <jh@suse.cz>
7989 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
7990 (cgraph_analyze_function): break out from ...
7991 (cgraph_finalize_compilation_unit): ... here.
7992 (cgraph_expand_function): Remove forgoten commented out line.
7993 (cgraph_optimize): Analyze functions.
7995 2007-01-08 Jan Hubicka <jh@suse.cz>
7997 * tree-pas.h (TODO_remove_function): New flag.
7998 (TODO_update*): Renumber.
7999 (pass_ipa_increase_alignment,
8000 pass_ipa_function_and_variable_visibility): New passes.
8001 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
8002 (cgraph_function_and_variable_visibility): Move to ipa.c
8003 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
8004 cgraph_increase_alignment.
8005 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
8006 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
8007 calling tree-inline.
8008 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
8009 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
8010 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
8011 (gate_increase_alignment): New function.
8012 (pass_ipa_increase_alignment): New pass.
8013 * ipa.c: Inline tree-pass.h and timevar.h
8014 (function_and_variable_visibility): Move here from cgraphunit.c
8015 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
8016 * passes.c (init_optimization_passes): Add the two new passes.
8017 (execute_todo): Handle cgraph_remove_functions.
8019 2007-01-08 Nick Clifton <nickc@redhat.com>
8021 * config/frv/predicates.md (reg_or_0_operand): Accept
8024 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
8026 * config/bfin/rtems.h, config/bfin/t-rtems: New.
8027 * config.gcc: Add bfin*-rtems*.
8029 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
8031 * c.opt: Add -flax-vector-conversions.
8032 * c-typeck.c (convert_for_assignment): Pass flag to
8033 vector_types_convertible_p to allow emission of note.
8034 (digest_init): Likewise.
8035 * c-opts.c: Handle -flax-vector-conversions.
8036 * c-common.c (flag_lax_vector_conversions): New.
8037 (vector_types_convertible_p): Unless -flax-vector conversions
8038 has been passed, disallow conversions between vectors with
8039 differing numbers of subparts and/or element types. If such
8040 a conversion is disallowed, possibly emit a note on the first
8041 occasion only to inform the user of -flax-vector-conversions.
8042 The new last argument specifies this.
8043 * c-common.h (flag_lax_vector_conversions): New.
8044 (vector_types_convertible_p): Add extra argument.
8045 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
8046 char_type_node for V*QI type vectors.
8047 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
8048 Update to satisfy new typechecking rules.
8049 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
8051 * doc/invoke.texi (C Dialect Options): Document
8052 -flax-vector-conversions.
8054 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
8056 PR tree-optimization/29877
8057 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
8058 a register variable on the RHS to not be replaceable.
8060 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
8061 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
8062 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
8063 const_simm15, const_pow2, const_npow2): Added.
8064 * config/score/misc.md (insv, extv, extzv, movmemsi,
8065 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
8066 * config/score/score.c (score_address_cost, score_select_cc_mode):
8068 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
8069 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
8070 Update score_print_operand.
8071 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
8072 Adjust register allocate order and update some macro define.
8073 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
8074 mdx_block_move_straight, mdx_block_move_loop_head,
8075 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
8076 mdx_block_move): Added.
8077 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
8078 mdp_limm): Updated and fix some bug and typo.
8079 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
8080 (movsf, movdf, doloop_end): Added.
8082 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
8084 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
8085 config/arm/thumb2.md: Fix comment typos.
8086 * doc/extend.texi: Fix a typo.
8088 2007-01-07 Eric Christopher <echristo@apple.com>
8090 * configure.ac: Check for __stack_chk_fail for darwin.
8091 * configure: Regenerate.
8093 2007-01-07 Richard Guenther <rguenther@suse.de>
8095 * tree-vrp.c (extract_range_from_assert): CSE calls to
8096 compare_values where possible.
8097 (extract_range_from_unary_expr): Likewise.
8099 2007-01-07 Anatoly Sokolov <aesok@post.ru>
8101 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
8102 * config/avr/avr.c (call_insn_operand): Delete function.
8103 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
8104 instead of register number. Use predicates.
8105 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
8106 call_insn_operand): Add.
8108 2007-01-06 Jan Hubicka <jh@suse.cz>
8110 * tree-pass.h (pass_build_cgraph_edges): Declare.
8111 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
8112 (visited_nodes): Remove.
8113 (cgraph_create_edges): Move to cgraphbuild.c; rename to
8114 build_cgrpah_edges; make visited_nodes local.
8115 (cgraph_process_new_functions): DO not call initialize_inline_failed.
8116 (record_references_in_initializer): Move to cgraphbuild.c
8117 (initialize_inline_failed, rebuild_cgraph_edges,
8118 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
8119 (verify_cgraph_node): Make visited_nodes local.
8120 (cgraph_analyze_function): Do not call cgraph_create_edges and
8121 initialize_inline_failed.
8122 (cgraph_expand_function): Do not call cgraph_lower_function;
8123 assert that function is already lowered.
8124 * Makefile.in (cgraphbuild.o): New.
8125 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
8126 at the end of lowering passes.
8128 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
8130 * ifcvt.c (cond_move_convert_if_block): New function, code
8131 factored out from...
8132 (cond_move_process_if_block): ...here. Call the new function
8133 on the THEN and ELSE blocks.
8134 (merge_if_block): Do not copy global_live_at_end, merge_blocks
8135 already takes care of this.
8137 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8140 * tree.h (TREE_OVERFLOW_P): New.
8141 * c-typeck.c (parser_build_unary_op): Warn only if result
8142 overflowed and operands did not.
8143 (parser_build_binary_op): Likewise.
8144 (convert_for_assignment): Remove redundant overflow_warning.
8145 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
8147 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8149 * c-typeck.c (store_init_value): Split over two lines to follow
8150 the GNU coding style.
8152 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
8154 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
8155 __GXX_EXPERIMENTAL_CXX0X__.
8156 * doc/cpp.texi: Same.
8158 2007-01-05 Richard Guenther <rguenther@suse.de>
8161 * tree.c (get_narrower): Do not construct COMPONENT_REFs
8162 with mismatched types. Instead explicitly build a
8163 conversion NOP_EXPR.
8165 2007-01-05 Ian Lance Taylor <iant@google.com>
8167 * c-common.c (decl_with_nonnull_addr_p): New function.
8168 (c_common_truthvalue_conversion): Call it.
8169 * c-typeck.c (build_binary_op): Likewise.
8170 * c-common.h (decl_with_nonnull_addr_p): Declare.
8172 2007-01-05 Jakub Jelinek <jakub@redhat.com>
8175 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
8178 2007-01-05 Joel Brobecker <brobecker@adacore.com>
8180 * doc/install.texi (Final install): Document the fact that
8181 the GNAT runtime should not be stripped.
8183 2007-01-04 Jan Hubicka <jh@suse.cz>
8185 * tree-inline.c (fold_marked_statements): Update operand caches
8186 and EH after folding
8188 2007-01-04 Ian Lance Taylor <iant@google.com>
8190 * c-common.c (check_function_nonnull): Whitespace fix.
8192 2007-01-04 Jan Hubicka <jh@suse.cz>
8194 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
8195 comitted older version of patch.
8196 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
8197 function, celanup cfg and collect garbage.
8199 2007-01-04 Mike Stump <mrs@apple.com>
8201 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
8204 2007-01-04 Eric Christopher <echristo@apple.com>
8206 * libgcc2.c (__bswapsi2): Use SItype.
8207 (__bswapdi2): Use DItype.
8208 * libgcc2.h: Update for above.
8210 2007-01-04 Paul Brook <paul@codesourcery.com>
8212 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
8213 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
8214 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
8215 umulsidi3, umulsidi3adddi, smulsi3_highpart,
8216 umulsi3_highpart): Make conditional on !arm_arch6.
8217 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
8218 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
8219 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
8220 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
8221 umulsi3_highpart_v6): New insns.
8223 2007-01-04 Roger Sayle <roger@eyesopen.com>
8225 * fold-const.c (fold_convert): When casting an expression to void,
8226 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
8227 have a type. Instead of attempting to build a NOP_EXPR, return
8228 these "special" trees directly.
8230 2007-01-04 Joseph Myers <joseph@codesourcery.com>
8232 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
8233 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
8234 rs6000_cost->fp not 0 as adjustment for outer NEG.
8236 2007-01-04 Jan Hubicka <jh@suse.cz>
8238 * cgraph.c (cgraph_release_function_body): New function.
8239 (cgraph_remove_node): Use it.
8240 * cgraph.h (cgraph_release_function_body): Declare.
8241 * cgraphunit.c (cgraph_expand_function): Use it.
8242 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
8243 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
8244 is initialized and while compilation of other function is running.
8245 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
8246 statement CFG annotations from here to ...
8247 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
8249 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
8251 * cfgloop.h (enum li_flags): Make the constants powers of two.
8253 2007-01-04 Jan Hubicka <jh@suse.cz>
8255 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
8257 (fold_marked_statements): New function.
8258 (optimize_inline_calls, tree_function_versioning): Fold new statements.
8259 * tree-inline.h (copy_body_data): Add statements_to_fold.
8261 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
8263 * config.gcc: Mention libgcc/config.host.
8264 * Makefile.in: Update comments mentioning libgcc.
8265 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
8266 (all.cross, start.encap, rest.encap, rest.cross): Update
8267 dependencies for libgcc move.
8268 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
8269 (clean-target, clean-target-libgcc): Delete.
8270 (srcdirify, GCC_EXTRA_PARTS): New macros.
8271 (libgcc-support, libgcc.mvars): New rules.
8272 (distclean): Remove mention of mklibgcc.
8273 (install): Don't reference INSTALL_LIBGCC.
8274 (install-common): Don't reference EXTRA_PARTS.
8275 (install-libgcc, install-multilib): Delete rules.
8276 * mklibgcc.in: Delete file.
8277 * doc/configfiles.texi: Don't mention mklibgcc.
8279 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
8280 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
8281 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
8282 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
8283 (mklibgcc, ldblspecs): Likewise.
8285 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
8286 (posixpre.def): Use $(T).
8287 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
8288 (SHLIB_SRC, SHLIB_INSTALL): Delete.
8289 (SHLIB_LINK): Make dummy.
8290 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
8292 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
8294 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
8295 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
8296 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
8297 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
8299 * configure.ac (all_outputs): Remove mklibgcc.
8300 * configure: Regenerated.
8302 2007-01-03 Josh Conner <jconner@apple.com>
8305 * calls.c (compute_argument_addresses): Set stack and stack_slot
8306 for partial args, too.
8307 (store_one_arg): Use locate.size.constant for the size when
8308 generating a save_area.
8310 2007-01-03 Robert Kennedy <jimbob@google.com>
8312 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
8313 whose definitions are deleted due to basic block merging.
8315 2007-01-03 Paul Brook <paul@codesourcery.com>
8318 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
8320 (use_return_insn): Return 0 for Thumb interrupt functions.
8321 (print_multi_reg): Add rfe argument for IRQ returns.
8322 (arm_output_epilogue): Pop interrupt return address directly into PC.
8323 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
8325 2007-01-03 Paul Brook <paul@codesourcery.com>
8327 Merge from sourcerygxx-4_1.
8328 * config/arm/thumb2.md: New file.
8329 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
8331 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
8332 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
8333 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
8334 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
8336 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
8337 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
8339 * config/arm/ieee754-sf.S: Ditto.
8340 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
8341 (thumb1_base_register_rtx_p): ... to this.
8342 (thumb_index_register_rtx_p): Rename...
8343 (thumb1_index_register_rtx_p): ... to this.
8344 (thumb_output_function_prologue): Rename...
8345 (thumb1_output_function_prologue): ... to this.
8346 (thumb_legitimate_address_p): Rename...
8347 (thumb1_legitimate_address_p): ... to this.
8348 (thumb_rtx_costs): Rename...
8349 (thumb1_rtx_costs): ... to this.
8350 (thumb_compute_save_reg_mask): Rename...
8351 (thumb1_compute_save_reg_mask): ... to this.
8352 (thumb_final_prescan_insn): Rename...
8353 (thumb1_final_prescan_insn): ... to this.
8354 (thumb_expand_epilogue): Rename...
8355 (thumb1_expand_epilogue): ... to this.
8356 (arm_unwind_emit_stm): Rename...
8357 (arm_unwind_emit_sequence): ... to this.
8358 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
8359 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
8360 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
8361 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
8362 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
8363 thumb2_output_casesi): New functions.
8364 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
8365 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
8366 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
8367 THUMB2_WORK_REGS): Define.
8368 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
8369 arm_condexec_mask, arm_condexec_masklen)): New variables.
8370 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
8371 (arm_override_options): Check new CPU capabilities.
8372 Set new architecture flag variables.
8373 (arm_isr_value): Handle v7m interrupt functions.
8374 (user_return_insn): Return 0 for v7m interrupt functions. Handle
8376 (const_ok_for_arm): Handle Thumb-2 constants.
8377 (arm_gen_constant): Ditto. Use movw when available.
8378 (arm_function_ok_for_sibcall): Return false for v7m interrupt
8380 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
8381 (thumb_find_work_register, arm_load_pic_register,
8382 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
8383 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
8384 print_multi_reg, output_mov_long_double_fpa_from_arm,
8385 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
8386 output_mov_double_fpa_from_arm, output_move_double,
8387 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
8388 output_return_instruction, arm_output_function_prologue,
8389 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
8390 arm_output_mi_thunk, thumb_set_return_address): Ditto.
8391 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
8392 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
8393 (arithmetic_instr, shift_op): Use arm_shift_nmem.
8394 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
8396 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
8397 (thumb_expand_prologue): Use thumb_set_frame_pointer.
8398 (arm_file_start): Output directive for unified syntax.
8399 (arm_unwind_emit_set): Handle stack alignment instruction.
8400 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
8401 Add v6t2, v7, v7a, v7r and v7m.
8402 (RETLDM): Add Thumb-2 code.
8403 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
8404 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
8405 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
8406 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
8407 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
8408 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
8409 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
8410 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
8411 ADJUST_INSN_LENGTH): Define.
8412 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
8413 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
8414 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
8415 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
8416 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
8417 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
8418 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
8419 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
8420 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
8421 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
8422 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
8423 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
8424 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
8425 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
8426 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
8427 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
8428 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
8430 * config/arm/arm-tune.md: Regenerate.
8431 * config/arm/arm-protos.h: Update prototypes.
8432 * config/arm/vfp.md: Enable patterns for Thumb-2.
8433 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
8434 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
8435 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
8436 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
8437 * config/arm/libunwind.S: Add Thumb-2 code.
8438 * config/arm/constraints.md: Update include Thumb-2.
8439 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
8440 * config/arm/ieee754-df.S: Ditto.
8441 * config/arm/bpabi.S: Ditto.
8442 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
8443 * config/arm/predicates.md (low_register_operand,
8444 low_reg_or_int_operand, thumb_16bit_operator): New.
8445 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
8446 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
8447 * config/arm/t-arm-elf: Add armv7 multilib.
8448 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
8450 (UNSPEC_STACK_ALIGN, ce_count): New.
8451 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
8452 arm_zero_extendsidi2, arm_zero_extendqidi2): New
8454 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
8455 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
8456 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
8457 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
8458 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
8459 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
8461 * doc/extend.texi: Document ARMv7-M interrupt functions.
8462 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
8464 2007-01-03 Jakub Jelinek <jakub@redhat.com>
8466 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
8467 (struct _Unwind_Context): Rename args_size to flags, remove
8468 signal_frame field, add a new args_size field and version field.
8469 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
8470 _Unwind_IsExtendedContext): New inline functions.
8471 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8472 Assume by_value array is only present if _Unwind_IsExtendedContext.
8473 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
8474 _Unwind_IsSignalFrame.
8475 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
8476 (uw_update_context_1): Use _Unwind_SetSignalFrame.
8477 (uw_init_context_1): Initialize context->flags to
8478 EXTENDED_CONTEXT_BIT.
8479 * config/rs6000/linux-unwind.h (frob_update_context): Use
8480 _Unwind_SetSignalFrame.
8482 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
8485 * gimplify.c (gimplify_modify_expr_complex_part): Move below
8486 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
8489 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
8491 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
8492 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
8493 RET, AT_SP): Remove.
8494 * config/i386/i386.md (*sse_prologue_save_insn): Use return
8497 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8498 * cfgbuild.c (find_basic_blocks): Likewise.
8499 * cfgrtl.c (rtl_create_basic_block): Likewise.
8500 * function.c (temp_slots_at_level): Likewise.
8501 * reg-stack.c (stack_regs_mentioned): Likewise.
8502 * regclass.c (allocate_reg_info): Likewise.
8503 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8504 set_bb_for_stmt, move_block_to_fn): Likewise.
8505 * tree-complex.c (tree_lower_complex): Likewise.
8506 * vec.h (VEC_safe_grow_cleared): New.
8508 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
8510 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
8512 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
8513 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
8515 * cfgloopmanip.c (scale_loop_frequencies): Export.
8516 (loopify): Scale the frequencies by prescribed coefficients.
8517 (set_zero_probability): New function.
8518 (duplicate_loop_to_header_edge): Improve updating of frequencies.
8519 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
8520 and frequencies according to arguments.
8521 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
8523 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
8524 * modulo-sched.c (sms_schedule): Set probabilities for entering
8525 versioned loop correctly.
8526 * tree-vect-transform.c (vect_transform_loop): Ditto.
8527 * cfgloop.h (loopify, loop_version): Declaration changed.
8528 (scale_loop_frequencies): Declared.
8530 2007-01-02 Jan Hubicka <jh@suse.cz>
8532 * cgraph.c: Include tree-flow.h
8533 (cgraph_add_new-function): Handle IPA_SSA mode; execute
8535 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
8536 * tree-pass.h (pass_all_early_optimizations): Declare.
8537 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
8539 (cgraph_analyze_function): Do early_local_passes.
8540 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
8541 Do not add referenced vars.
8542 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
8544 (gate_all_early_local_passes): New gate.
8545 (pass_early_local_passes): Use new gate.
8546 (execute_early_local_optimizations): New functions.
8547 (gate_all_early_optimizations): New gate.
8548 (pass_all_early_optimizations): New pass.
8549 (execute_free_datastructures): Free SSA only when initialized.
8550 (gate_init_datastructures): Init only when optimizing.
8551 (tree_lowering_passes): Do early local passes when called late.
8552 * tree-profile.c (do_tree_profiling): Don't profile functions added
8554 (do_early_tree_profiling, pass_early_tree_profile): Kill.
8555 * tree-cfg.c (update_modified_stmts): Do not update when operands are
8557 * passes.c (init_optimizations_passes): Reorder so we go into SSA
8558 during early_local_passes.
8559 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
8562 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
8564 * Makefile.in: Update copyright year.
8566 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
8568 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
8569 in $(lang_checks) and check-consistency targets.
8571 2007-01-02 Jan Hubicka <jh@suse.cz>
8573 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
8574 Do not add referenced vars.
8575 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
8577 * passes.c (init_optimization_passes): Put mudflap_2 after
8578 free_datastructures.
8580 2007-01-02 Jan Hubicka <jh@suse.cz>
8582 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
8583 Set NOTHROW flag on call statements proved to be nothrow.
8584 Update statement of local calls so new pure/const functions are
8585 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
8587 (tree_rest_of_compilation): Register hooks and initialize bitmap
8588 early. Do not set after_inlining flag.
8590 2007-01-02 Steve Ellcey <sje@cup.hp.com>
8592 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
8593 HOST_BITS_PER_LONGLONG
8595 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8598 * c-typeck.c (store_init_value): Don't emit pedantic overflow
8599 warning for non-static initializers.
8601 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
8603 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
8604 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
8605 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
8606 Always use set_unique_reg_note to add REG_EQUAL notes.
8608 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
8611 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
8613 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8614 * cfgbuild.c (find_basic_blocks): Likewise.
8615 * cfgrtl.c (rtl_create_basic_block): Likewise.
8616 * function.c (temp_slots_at_level): Likewise.
8617 * reg-stack.c (stack_regs_mentioned): Likewise.
8618 * regclass.c (allocate_reg_info): Likewise.
8619 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8620 set_bb_for_stmt, move_block_to_fn): Likewise.
8621 * tree-complex.c (tree_lower_complex): Likewise.
8622 * vec.h (VEC_safe_grow_cleared): New.
8624 2007-01-02 Ian Lance Taylor <iant@google.com>
8626 * c-common.c (c_common_truthvalue_conversion): When warning about
8627 using an assignment as a truth value, set TREE_NO_WARNING.
8629 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8632 * c.opt (Wold-style-declaration): New.
8633 * doc/invoke.texi (C-only Warning Options): New.
8634 (Wold-style-declaration): Document it.
8635 (Wextra): Enabled by -Wextra.
8636 * c-opts.c (c_common_post_options): Enabled by -Wextra.
8637 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
8638 -Wold-style-declaration.
8640 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
8642 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8643 * cfgbuild.c (find_basic_blocks): Likewise.
8644 * cfgrtl.c (rtl_create_basic_block): Likewise.
8645 * function.c (temp_slots_at_level): Likewise.
8646 * reg-stack.c (stack_regs_mentioned): Likewise.
8647 * regclass.c (allocate_reg_info): Likewise.
8648 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8649 set_bb_for_stmt, move_block_to_fn): Likewise.
8650 * tree-complex.c (tree_lower_complex): Likewise.
8651 * vec.h (VEC_safe_grow_cleared): New.
8653 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
8655 * c-common.c (c_common_nodes_and_builtins): Since variants of
8656 void_type_node get built before it is given a name, we need to
8657 give those variants the name, too.
8658 (complete_array_type): We need to work with the canonical main
8659 type of the array, from which we will build the qualified version.
8660 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
8661 * print-tree.c (print_node): Display canonical type information
8663 * stor-layout.c (layout_type): When we don't know the
8664 alignment of a type for which we're building an array, we end up
8665 guessing wrong, so make the type require structural equality.
8666 * tree.c (make_node_stat): When we build a new type, it is its
8668 (build_type_attribute_qual_variant): When building an attribute
8669 variant, its canonical type is the non-attribute variant. However,
8670 if the attributes are target-dependent and they differ, we need to
8671 use structural equality checks for this type.
8672 (build_qualified_type): A qualified type is not equivalent to its
8673 unqualified variant; set the canonical type appropriately.
8674 (build_distinct_type_copy): When building a distinct type from
8675 another type, the new type is its own canonical type.
8676 (build_variant_type_copy): When building a new type variant, we
8677 assume that it is equivalent to the original type.
8678 (build_pointer_type_for_mode): When building a pointer type, also
8679 build a canonical type pointer.
8680 (build_reference_type_for_mode): When building a reference type,
8681 also build a canonical type reference.
8682 (build_index_type): When we can't hash an index type (e.g.,
8683 because its maximum value is negative), the index type requires
8684 structural equality tests.
8685 (build_array_type): Build the canonical form of an array type.
8686 (build_function_type): Function types require structural equality,
8687 because they contain default arguments, attributes, etc.
8688 (build_method_type_directly): Ditto for method types.
8689 (build_offset_type): Build the canonical offset type.
8690 (build_complex_type): Build the canonical vector type.
8691 (make_vector_type): Build the canonical vector type.
8692 * tree.h (TYPE_CANONICAL): New.
8693 (TYPE_STRUCTURAL_EQUALITY_P): New.
8694 (SET_TYPE_STRUCTURAL_EQUALITY): New.
8695 (struct tree_type): Added "canonical" field.
8696 * params.h (VERIFY_CANONICAL_TYPES): New.
8697 * doc/c-tree.texi (TYPE_CANONICAL): Document.
8698 (TYPE_STRUCTURAL_EQUALITY_P): Document.
8699 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
8700 * doc/invoke.texi (verify-canonical-types): Document --param
8701 parameter for verifying canonical types.
8703 2007-01-02 Joseph Myers <joseph@codesourcery.com>
8705 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
8706 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
8707 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
8708 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
8710 * config/rs6000/e500.h: New.
8711 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
8712 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
8714 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
8715 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
8716 TARGET_E500_DOUBLE): Remove.
8717 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
8718 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
8719 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
8720 * config/rs6000/rs6000.c (rs6000_override_options): Use
8723 2007-01-02 Joseph Myers <joseph@codesourcery.com>
8725 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
8726 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
8727 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
8728 rs6000_emit_cmove): Don't check TARGET_E500.
8729 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
8730 sordered): Don't check TARGET_E500.
8732 2007-01-01 Eric Christopher <echristo@apple.com>
8734 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
8735 HARD_REGISTER_NUM_P.
8737 2007-01-01 Roger Sayle <roger@eyesopen.com>
8739 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
8740 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
8741 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
8744 2007-01-01 Mike Stump <mrs@apple.com>
8746 * configure.ac: Remove support for building with Apple's gcc-3.1.
8748 2007-01-02 Joseph Myers <joseph@codesourcery.com>
8751 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
8752 REG is a hard register. Do not modify REG before calling
8754 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
8755 multiple of the size of YMODE for certain lowpart cases.
8757 2007-01-01 Andrew Pinski <pinskia@gmail.com>
8760 * gimplify (voidify_wrapper_expr): Update for
8763 2007-01-01 Andreas Schwab <schwab@suse.de>
8766 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
8767 save of BR0 in extra_spill_size instead of spill_size.
8768 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
8770 (ia64_expand_epilogue): Restore BR0 from its new location.
8772 2007-01-01 Andrew Pinski <pinskia@gmail.com>
8774 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
8775 Use a temporary variable if the left hand side is not a gimple
8778 2007-01-01 Andrew Pinski <pinskia@gmail.com>
8780 * gimplify.c (gimplify_return_expr): Make the temporary variable
8781 for the return expression, a gimple register variable.
8783 2007-01-01 Jan Hubicka <jh@suse.cz>
8785 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
8788 2007-01-01 Mike Stump <mrs@apple.com>
8790 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
8792 * config/darwin.c (machopic_select_rtx_section): Use
8794 (darwin_mergeable_constant_section): Likewise.
8795 * configure: Regenerate.
8796 * config.in: Regenerate.
8798 2007-01-01 Jan Hubicka <jh@suse.cz>
8799 Andrew Pinski <pinskia@gmail.com>
8801 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
8802 before starting IPA passes.