1 2007-03-22 Richard Henderson <rth@redhat.com>
3 * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
4 don't increase local_regparm with force_align_arg_pointer check.
5 (ix86_function_sseregparm): Assert 32-bit.
6 (type_has_variadic_args_p): New.
7 (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
8 type_has_variadic_args_p.
9 (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
10 (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
11 use memset instead. Do maybe_vaarg check first; skip attribute
12 tests if true; skip attribute tests for 64-bit.
13 (construct_container): Remove TARGET_DEBUG_ARG.
14 (function_arg_advance_32, function_arg_advance_64): Split out ...
15 (function_arg_advance): ... from here.
16 (function_arg_32, function_arg_64): Split out ...
17 (function_arg): ... from here.
18 (ix86_pass_by_reference): Tidy.
19 (ix86_function_value_regno_p): Rearrange w/ switch on regno.
20 (function_value_32): New, from parts of ix86_function_value
22 (function_value_64): New, from parts of ix86_function_value
23 and ix86_libcall_value.
24 (ix86_function_value_1): New.
25 (ix86_function_value, ix86_libcall_value): Use it.
26 (return_in_memory_32, return_in_memory_64): Split out ...
27 (ix86_return_in_memory): ... from here.
28 (ix86_struct_value_rtx): Skip for 64-bit.
29 (ix86_libcall_value, ix86_value_regno): Remove.
30 (setup_incoming_varargs_64): Split out ...
31 (ix86_setup_incoming_varargs): ... from here.
32 (ix86_va_start): Remove TARGET_DEBUG_ARG.
33 (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
34 * config/i386/i386-protos.h (ix86_function_value): Remove.
35 * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
37 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
40 * c-lex.c (interpret_float): On overflow, emit pedantic warning if
41 infinities not supported, otherwise emit warning if -Woverflow. On
42 underflow, emit warning if -Woverflow.
43 * real.c (real_from_string): Return -1 if underflow, +1 if overflow
45 * real.h (real_from_string): Update declaration
47 2007-03-22 Kai Tietz <kai.tietz@onevision.com>
48 Richard Henderson <rth@redhat.com>
50 * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
51 * calls.c (compute_argument_block_size, expand_call,
52 emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
53 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
54 * function.c (STACK_DYNAMIC_OFFSET): Likewise.
55 * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
56 * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
57 config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
58 config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
59 config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
62 2007-03-22 Joseph Myers <joseph@codesourcery.com>
64 * c-incpath.c (add_sysroot_to_chain): New.
65 (merge_include_chains): Add sysroot argument. Call
66 add_sysroot_to_chain if sysrooted.
67 (register_include_chains): Update call to merge_include_chains.
68 * doc/cppopts.texi: Document use of '=' in include directory
71 2007-03-22 Uros Bizjak <ubizjak@gmail.com>
73 * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
74 Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
75 (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
76 insn pattern using X87MODEF12 mode macro.
78 2007-03-21 Seongbae Park <seongbae.park@gmail.com>
80 * regmove.c (regmove_optimize): Use reg_mentioned_p
81 instead of reg_overlap_mentioned_p for DST.
83 2007-03-21 Mike Stump <mrs@apple.com>
85 * c.opt: Fixup for Objective-C/C++.
87 2007-03-21 Steve Ellcey <sje@cup.hp.com>
89 * explow.c (convert_memory_address): Fold memory reference when
90 POINTERS_EXTEND_UNSIGNED < 0
92 2007-03-21 Richard Henderson <rth@redhat.com>
95 * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
96 * config/i386/mmintrin.h (__m64): Likewise.
97 * config/i386/xmmintrin.h (__m128): Likewise.
99 2007-03-21 Richard Sandiford <richard@codesourcery.com>
101 * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
102 (VXWORKS_OS_CPP_BUILTINS): Define.
103 * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
104 (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
106 2007-03-21 Richard Sandiford <richard@codesourcery.com>
108 * rtl.h (constant_pool_reference_p): Delete.
109 (find_constant_src): Declare.
110 * rtlanal.c (find_constant_src): New function.
111 * simplify-rtx.c (constant_pool_reference_p): Delete.
112 * config/i386/i386.md: Use find_constant_src instead of
113 constant_pool_reference_p/avoid_constant_pool_reference pairs.
115 2007-03-21 Richard Sandiford <richard@codesourcery.com>
117 * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
118 * c-cppbuiltin.c (c_cpp_builtins): Define them.
120 2007-03-20 Mark Mitchell <mark@codesourcery.com>
122 * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
123 * config/arm/arm.c (arm_elf_asm_cdtor): New function.
124 (arm_elf_asm_constructor): Use it.
125 (arm_elf_asm_destructor): New function.
127 2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
129 * jump.c (mark_jump_label): Treat SEQUENCE specially.
131 2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
133 * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
135 2007-03-19 Andrew Haley <aph@redhat.com>
137 PR tree-optimization/31264
138 * tree-vrp.c (register_edge_assert_for_1): Don't look though
141 2007-03-19 Paolo Bonzini <bonzini@gnu.org>
143 PR rtl-optimization/30907
144 * fwprop.c (forward_propagate_into): Never propagate inside a loop.
145 (fwprop_init): Always call loop_optimizer_initialize.
146 (fwprop_done): Always call loop_optimizer_finalize.
147 (fwprop): We always have loop info now.
148 (gate_fwprop_addr): Remove.
149 (pass_fwprop_addr): Use gate_fwprop as gate.
151 PR rtl-optimization/30841
152 * df-problems.c (df_ru_local_compute, df_rd_local_compute,
153 df_chain_alloc): Call df_reorganize_refs unconditionally.
154 * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
155 refs_organized to refs_organized_size.
156 (df_ref_create_structure): Use refs_organized_size instead of
157 bitmap_size if refs had been organized, and keep refs_organized_size
159 * df.h (struct df_ref_info): Change refs_organized to
161 (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
164 2007-03-19 Mark Mitchell <mark@codesourcery.com>
166 * except.c (output_function_exception_table): Do not reference the
167 EH personality routine for functions that do not require an
170 2007-03-20 Jakub Jelinek <jakub@redhat.com>
173 * c-typeck.c (convert_for_assignment): Call comptypes for
174 RECORD_TYPE or UNION_TYPE.
177 * reload1.c (reload): Do invalid ASM checking after
178 cleanup_subreg_operands.
180 2007-03-19 Jeff Law <law@redhat.com>
182 * tree-cfg.c (find_taken_edge): Tighten conditions for
183 optimizing computed gotos.
185 2007-03-19 Michael Matz <matz@suse.de>
187 * builtins.c (expand_builtin_sync_operation,
188 expand_builtin_compare_and_swap,
189 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
192 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
193 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
196 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
198 * doc/tm.texi: Add brackets around the return type of
199 TARGET_SECONDARY_RELOAD.
201 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
202 Richard Guenther <rguenther@suse.de>
204 PR tree-optimization/31254
205 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
206 Use handled_component_p () where appropriate. Continue
207 propagating into the rhs if we propagated into an INDIRECT_REF
210 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
212 * config/s390/s390.md (op_type attribute): RRR instruction type added.
213 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
214 (xde, xdee): Mode attributes adjusted to support DFP modes.
215 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
216 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
217 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
218 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
219 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
220 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
221 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
223 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
224 "movsf"): Insn definitions removed.
225 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
226 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
227 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
229 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
230 "reload_in<mode>", "reload_out<mode>"): Expander added.
231 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
234 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
236 * config/s390/s390.md: Only non-functional changes. Renamed
237 FPR mode macro to BFP all over the file.
239 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
241 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
242 (op_type attribute): RRF instruction type added.
243 (fT0): New mode attribute.
244 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
245 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
246 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
247 no secondary memory is needed when moving DFmode values between GPRs
250 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
252 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
253 inverted and documentation adjusted.
254 ("mhard-dfp", "msoft-dfp"): New options.
255 * config/s390/s390.c (s390_handle_arch_option): New architecture
257 (override_options): Sanity checks for the new options added.
258 * config.gcc: New architecture switch: z9-ec.
259 * config/s390/s390.h (processor_flags): PF_DFP added.
260 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
261 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
262 when the bit is NOT set so remove it from the defaults.
264 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
266 * genemit.c (main): Print include statement for dfp.h.
267 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
270 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
272 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
274 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
277 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
280 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
282 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
283 attr_length_call, output_call, output_indirect_call): Cleanup
284 formatting of targetm calls.
286 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
288 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
290 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
292 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
293 reservation, bypass and anti-bypass descriptions for these instructions.
294 Update move patterns.
295 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
298 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
300 * tree-vect-transform.c (get_initial_def_for_induction): Replace
301 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
302 (get_initial_def_for_reduction): Likewise.
304 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
306 Fix PR tree-optimization/29922
307 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
308 (get_representative): Removed.
309 (value_dies_in_block_x): Update for rvuse removal.
310 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
311 (compute_antic_aux): Handle when PHI nodes appear in
312 non-single-successors.
313 (dump_bitmap_of_names): Removed.
314 (compute_antic_safe): Renamed and removed rvuse calculation.
315 Calculate only antic safe.
316 (insert_into_preds_of_block): Remove assert.
317 (execute_pre): Update for renamed functions.
318 (defer_or_phi_translate_block): New function.
320 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
322 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
323 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
325 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
326 Follow spelling conventions.
328 * tree-data-ref.h: Remove the prototype for analyze_array.
330 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
332 PR tree-optimization/31041
333 * tree-vect-transform.c (get_initial_def_for_induction): Call
334 force_gimple_operand.
336 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
338 * ipa-type-escape.c (look_for_casts) : Revert code to use
339 handled_component_p due to ada test a-numaux.adb.
341 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
343 * final.c (final_scan_insn): Alter the condition of a
344 conditional trap if we have nonstandard CC.
346 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
348 * configure.ac: Remove excess quoting from asm line 0 test.
349 * configure: Rebuilt.
351 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
353 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
354 * c-common.c (convert_and_check): Move warning logic to...
355 (warnings_for_convert_and_check): ...here. Define.
356 * c-common.h (warnings_for_convert_and_check): Declare.
358 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
360 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
361 (output_call): Likewise.
363 2007-03-16 Richard Sandiford <richard@codesourcery.com>
365 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
367 2007-03-16 Richard Sandiford <richard@codesourcery.com>
369 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
371 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
373 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
374 opteron, athlon-64 and athlon-fx processor_alias_table entries.
376 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
378 PR tree-optimization/31183
379 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
380 Use double_int instead of unsigned int for representing access_strides.
381 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
383 2007-03-16 Richard Guenther <rguenther@suse.de>
385 PR tree-optimization/31146
386 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
387 to allow recursion of forward_propagate_addr_expr.
388 (forward_propagate_addr_into_variable_array_index): Likewise.
389 (forward_propagate_addr_expr): Likewise.
390 (tree_ssa_forward_propagate_single_use_vars): Likewise.
391 (forward_propagate_addr_expr_1): Recurse on simple copies
392 instead of propagating into them. Do so for useless conversions
394 (forward_propagate_addr_expr): Clean up unused statements after
397 2007-03-16 Richard Guenther <rguenther@suse.de>
399 * builtins.c (expand_builtin_cexpi): Use the right argument
400 for the expansion via cexp.
402 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
404 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
405 * configure: Rebuilt.
407 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
410 * dwarf2out.c (force_type_die): Adjust comment.
411 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
413 2007-03-15 DJ Delorie <dj@redhat.com>
415 * config/frv/predicates.md (minmax_operator): Don't check operands
418 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
420 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
421 Update constant estimates of number of iterations.
422 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
423 argument renamed to "realistic".
424 (compute_estimated_nb_iterations): Removed.
425 (record_niter_bound): New function.
426 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
427 call record_nonwrapping_iv with upper = false.
428 (infer_loop_bounds_from_signedness): Pass upper argument to
429 record_nonwrapping_iv.
430 (estimate_numbers_of_iterations_loop): Do not call
431 compute_estimated_nb_iterations. Record estimate based on profile
432 information. Initialize the constant estimates of number of
434 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
436 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
437 number of iterations is too small.
438 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
439 (EST_NOT_AVAILABLE): Removed.
440 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
441 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
444 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
446 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
447 Handle NE_EXPR guards.
449 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
452 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
453 Set also -pedantic-errors by default for the preprocessor unless
454 -fpermissive is given.
456 2007-03-15 Richard Guenther <rguenther@suse.de>
460 * builtins.c (expand_builtin_cexpi): As a fallback if we
461 don't have builtins for sincos or cexp create a function
462 declaration for cexp and expand to a call to that.
463 (expand_builtin_int_roundingfn): Always fall
464 back to floor/ceil and its variants even if they may be
467 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
470 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
471 jump tables, move the call to delete_dead_jumptables from here...
472 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
473 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
474 don't allow merging of blocks that try_redirect_by_replacing_jump
475 also does not handle when not optimizing.
477 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
478 Francois-Xavier Coudert <coudert@clipper.ens.fr>
480 * config/i386/i386.md (x86_sahf_1): Correctly handle
483 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
486 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
487 x86_64_general_operand as operand[2] predicate. Remove "iF"
488 from operand constraints and use "e" constraint instead.
489 (*subti3_1, *subti3_1 splitter): Ditto.
490 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
491 operand[1] predicate.
493 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
495 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
496 arrays, multiply the access strides by the size of the sub-array.
497 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
499 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
501 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
502 the configured assembler supports the sahf mnemonic.
503 * configure: Regenerate.
504 * config.in: Regenerate.
506 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
507 emit "sahf" or ".byte\t0x9e" as asm template.
509 2007-03-14 Michael Meissner <michael.meissner@amd.com>
512 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
513 option to replace hard coded TARGET_xxx in md file.
514 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
515 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
516 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
517 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
518 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
519 (X86_TUNE_NOT_VECTORMODE): Ditto.
520 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
521 (TUNE_AVOID_VECTOR_DECODE): Ditto.
522 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
523 (TUNE_SLOW_IMUL_IMM8): Ditto.
524 (TUNE_MOVE_M1_VIA_OR): Ditto.
525 (TUNE_NOT_UNPAIRABLE): Ditto.
526 (TUNE_NOT_VECTORMODE): Ditto.
528 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
531 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
532 tuning options instead of hard coded TARGET_xxx.
533 (fix ssemode peephole2's): Ditto.
534 (imul peephole2's): Ditto.
536 (movdi_or_rex64): Ditto.
537 (move peephole2): Ditto.
538 (not peephole2's): Ditto.
540 2007-03-14 Dirk Mueller <dmueller@suse.de>
542 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
543 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
544 * c-parser.c (c_parser_if_body): Always add an empty statement in case
546 * c-parser.c (c_parser_do_statement): Warn about empty body in
548 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
549 * doc/invoke.texi (-Wempty-body): Update documentation.
551 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
554 * c-common.h (warn_for_div_by_zero): Declare.
555 * c-common.c (warn_for_div_by_zero): Define.
556 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
559 2007-03-14 Richard Sandiford <richard@codesourcery.com>
561 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
562 to PREFIX and STANDARD_PREFIX.
564 2007-03-14 Richard Sandiford <richard@codesourcery.com>
565 Phil Edwards <phil@codesourcery.com>
567 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
568 (__gthread_once_t): Remove busy field for RTPs.
569 (__GTHREAD_ONCE_INIT): Update accordingly.
571 2007-03-14 Richard Sandiford <richard@codesourcery.com>
573 * doc/invoke.texi: Document VxWorks options.
575 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
577 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
579 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
581 PR tree-optimization/30590
582 * tree-nrv.c (tree_nrv): Check for the partial update of the
585 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
587 * flags.h (flag_random_seed): Remove declaration, in favor of...
588 * toplev.h (get_random_seed, set_random_seed): ... these.
589 * tree.c (get_file_function_name): Use the former.
590 * opts.c (common_handle_option): Use the latter.
593 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
596 * cse.c (cse_find_path): Do not bail out if a basic block that
597 we already visited now becomes part of a path that starts at a
598 different basic block. Just disallow this, to make sure we
599 visit each basic block at most once.
601 2007-03-13 Jan Hubicka <jh@suse.cz>
603 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
604 when profile esitmate is present, calls with very low frequency are
607 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
609 PR tree-optimization/30730
610 PR tree-optimization/26900
611 * tree-ssa-loop-niter.c: Include gmp.h.
613 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
614 split_to_var_and_offset, determine_value_range,
615 bound_difference_of_offsetted_base, refine_bounds_using_guard,
616 bound_difference, bounds_add, bounds_negate,
617 number_of_iterations_ne_max, dump_affine_iv): New functions.
618 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
619 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
620 difference of initial and final value of control iv to validate
622 (number_of_iterations_cond): Add loop parameter. Determine bounds
623 on the difference of the extremes of the control iv. Add dumps.
624 (expand_simple_operations): Handle phi nodes.
625 (simplify_using_initial_conditions): Do not record used conditions.
626 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
627 Do not set additional_info.
628 (implies_nonnegative_p, implies_ge_p): Removed.
629 (derive_constant_upper_bound): Do not use parameter `additional'.
630 (record_estimate): Parameter `additional' removed. Parameter
631 `i_bound' added. Do not call derive_constant_upper_bound.
632 (record_nonwrapping_iv): Use derive_constant_upper_bound to
633 bound the number of iterations estimate.
634 (estimate_numbers_of_iterations_loop): Pass the estimate from
635 the number of iterations analysis to record_estimate.
636 * tree.h (multiple_of_p): Declare.
637 * tree-scalar-evolution.c (expression_expensive_p): Removed.
638 (scev_const_prop): Do not check expression_expensive_p.
639 * fold-const.c (multiple_of_p): Exported.
640 * double-int.c (double_int_mask): Exported.
641 * double-int.h (double_int_mask): Declare.
642 * tree-flow.h (struct tree_niter_desc): Removed additional_info
643 field. Added max field.
645 2007-03-13 David Taylor <taylor@candd.org>
648 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
651 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
654 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
657 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
659 * config/i386/i386.opt (mcx16, msahf): New options.
660 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
661 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
663 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
664 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
665 Output -mcx16 and -msahf options when corresponding bit is set.
667 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
670 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
672 * configure.ac: Test for assembler tolerance to # 0 "".
673 * configure, config.in: Rebuilt.
674 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
676 2007-03-13 Geoffrey Keating <geoffk@apple.com>
678 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
680 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
681 (handle_syscall): Handle direct system calls.
682 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
684 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
686 * doc/invoke.texi: Fix cpp.info cross-reference.
687 * doc/passes.texi: Fix gcc.info cross-reference.
689 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
691 PR tree-optimization/30835
692 * lambda-code.c (can_convert_to_perfect_nest): Check whether
693 bb_for_stmt is not NULL before accessing it.
695 2007-03-12 Joseph Myers <joseph@codesourcery.com>
697 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
700 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
703 * doc/install.texi: Document --enable-stage1-languages
705 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
707 * tree-pass.h (pass_into_cfg_layout_mode,
708 pass_outof_cfg_layout_mode): Declare.
709 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
710 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
711 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
712 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
714 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
716 * c-decl.c (warn_variable_length_array): New function.
717 Refactored from grokdeclarator to handle warn_vla
718 and handle unnamed array case.
719 (grokdeclarator): Refactored VLA warning case.
720 * c.opt (Wvla): New flag.
721 * doc/invoke.texi (Wvla): New warning.
723 2007-03-12 Richard Henderson <rth@redhat.com>
725 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
726 (TARGET_SECTION_TYPE_FLAGS): New.
728 2007-03-12 Richard Henderson <rth@redhat.com>
730 * config/darwin.c (machopic_reloc_rw_mask): New.
731 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
732 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
734 2007-03-12 Mark Mitchell <mark@codesourcery.com>
736 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
737 * cppdefault.h (cpp_PREFIX): Document.
738 (cpp_PREFIX_len): Likewise.
739 (cpp_EXEC_PREFIX): New variable.
740 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
741 * c-incpath.c (add_standard_paths): Correct logic for relocating
744 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
746 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
747 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
749 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
750 fix_truncdfdi_sse using SSEMODEF mode macro.
751 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
752 fix_truncdfsi_sse using SSEMODEF mode macro.
753 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
754 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
756 2007-03-12 Richard Sandiford <richard@codesourcery.com>
758 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
761 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
763 * tree.h : Add multiple_of_p declaration.
764 * fold-const.c (multiple_of_p): Make multiple_of_p public.
765 * ipa-type-escape.c (results_of_malloc): Redundant.
766 (visited_stmts): New. Visited stmt for walk_use_def_chains.
767 (cast_type): Extended with new members.
768 (check_cast): Returns cast_type.
769 (cast): New structure for data of walk_use_def_chains.
770 (is_malloc_result, is_cast_from_non_pointer_1,
771 is_cast_from_non_pointer,
772 is_array_access_through_pointer_and_index): New functions.
773 (look_for_casts): Returns cast types.
774 (check_call): Returns void.
775 (okay_pointer_operation): Use support of pointer plus index,
776 pointer plus constant and allow all multiplications.
778 2007-03-11 Richard Guenther <rguenther@suse.de>
780 PR tree-optimization/31115
781 * tree-vrp.c (extract_range_from_binary_expr): Make sure
782 the shift count is positive and non-anti-range for RSHIFT_EXPR.
783 A shift count of zero is not special as with *_DIV_EXPR.
784 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
787 2007-03-11 Ian Lance Taylor <iant@google.com>
789 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
790 the *_DIV_EXPR codes correctly with overflow infinities.
792 2007-03-11 Ira Rosen <irar@il.ibm.com>
794 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
795 indicate success/failure of the analysis. Add negation to subtrahend
796 in case of subtraction. Fail if both operands contain constants.
797 (create_data_ref): Fail if analyze_offset fails.
799 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
801 * config/i386/i386.md (frndintxf2): Rename to ...
802 (rintxf2): ... this. Remove expander having same name.
803 (rintsf2, rintdf2): Implement using SSEMODEF macro.
804 (roundsf2, rounddf2): Ditto.
805 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
806 (lround<mode>di2, lround<mode>si2): Ditto.
808 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
810 * lower-subreg.c: Include except.h.
811 (decompose_multiword_subregs): Verify that the only control flow
812 insns we can split are loads to multi-words pseudos.
813 Handle breaking such blocks after splitting, instead of calling
814 find_many_sub_basic_blocks.
816 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
817 on the new basic block. Add a lengthy comment explaining why we
818 thought this was necessary.
819 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
821 2007-03-10 Mark Mitchell <mark@codesourcery.com>
824 * tree.c (walk_type_fields): Recurse into the element type of
825 ARRAY_TYPEs if there is a pointer set.
827 2007-03-10 Dirk Mueller <dmueller@suse.de>
829 * c-common.c (warn_logical_operator): Fix condition.
831 2007-03-10 Tobias Schlüter <tobi@gcc.gnu.org>
833 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
835 * config/darwin.c (machopic_select_section): Remove superfluous
836 argument in call to categorize_decl_for_section. Remove unused
839 2007-03-10 Joseph Myers <joseph@codesourcery.com>
841 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
843 * configure: Regenerate.
845 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
848 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
849 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
850 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
851 Add LABEL_NUSES to emitted label.
852 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
853 branch probability value to emitted jump insn.
854 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
855 Do not check life information and do not re-arrange input operands
856 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
858 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
860 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
861 the change of decode_asm_operands.
863 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
865 * mode-switching.c (create_pre_exit): Skip blockage insn.
867 2007-03-09 Diego Novillo <dnovillo@redhat.com>
869 * tree-pass.h (TODO_update_smt_usage): Remove.
871 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
875 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
877 * pa.c (attr_length_call): Revise condition for long pc-relative branch.
878 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
879 calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
882 2007-03-09 Geoffrey Keating <geoffk@apple.com>
884 * gcc.c: Document %{, in big comment at top.
885 (input_suffix_matches): Remove special handling for .s and
887 (input_spec_matches): New.
888 (handle_braces): Handle %{,.
889 (validate_switches): ',' indicates a value which is not a switch.
890 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
891 to detect assembler input.
892 * config/i386/sol2.h (CPP_SPEC): Likewise.
893 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
894 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
895 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
896 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
897 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
898 -m64 causes deployment target to default to 10.5.
899 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
901 2007-03-09 Richard Henderson <rth@redhat.com>
904 * target.h (targetm.asm.out.reloc_rw_mask): New.
905 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
906 (TARGET_ASM_OUT): Use it.
907 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
908 * varasm.c (categorize_decl_for_section): Remove shlib argument;
909 use the new reloc_rw_mask target hook instead.
910 (default_section_type_flags_1): Merge into...
911 (default_section_type_flags): ... here.
912 (decl_readonly_section_1): Merge into...
913 (decl_readonly_section): ... here.
914 (default_elf_select_section_1): Merge into...
915 (default_elf_select_section): ... here.
916 (default_unique_section_1): Merge into...
917 (default_unique_section): ... here.
918 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
919 (default_select_rtx_section): Use it.
920 (default_elf_select_rtx_section): Likewise.
921 * output.h: Update to match.
922 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
923 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
924 (TARGET_ASM_RELOC_RW_MASK): New.
925 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
926 to categorize_decl_for_section.
927 (x86_64_elf_unique_section): Likewise.
928 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
929 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
930 (TARGET_ASM_RELOC_RW_MASK): New.
931 * config/ia64/ia64.c (ia64_rwreloc_select_section,
932 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
933 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
934 (TARGET_RWRELOC): Remove.
935 (ia64_section_type_flags): Adjust call to default_section_type_flags.
936 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
937 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
938 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
939 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
940 (rs6000_xcoff_select_section): Use decl_readonly_section.
941 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
942 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
943 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
944 (TARGET_SECTION_TYPE_FLAGS): Remove.
945 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
947 2007-03-09 Roger Sayle <roger@eyesopen.com>
949 * fold-const.c (fold_comparison): Remove compile-time evaluation of
950 complex constant equality/inequality comparisons for here.
951 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
952 known at compile-time or can be simplified to a scalar comparison.
953 (fold_relational_const): Move compile-time evaluation of complex
954 constant equality/inequality comparisons to here.
956 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
958 PR rtl-optimization/30643
959 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
961 (fold_rtx): Recurse, like before 2006-11-03.
963 2007-03-09 DJ Delorie <dj@redhat.com>
965 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
968 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
970 PR tree-optimization/30375
971 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
972 LHS of statements is not the same.
973 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
975 2007-03-09 Chao-ying Fu <fu@mips.com>
977 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
979 * doc/invoke.texi (-mdspr2): Document new option.
980 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
981 New unspec for DSP REV 2.
982 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
983 these instructions are extended in DSP REV 2.
984 (mips-dspr2.md): Include.
985 * config/mips/mips.opt (mdspr2): New option.
986 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
987 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
988 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
989 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
990 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
991 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
992 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
994 (bdesc_map): Add one field of unsupported_target_flags.
995 (bdesc_arrays): Update entries to have extra fields. Add
997 (mips_init_builtins): Initialize new function types.
998 Check unsupported_target_fileds to filter out builtins.
999 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
1001 (ASM_SPEC): Pass mdspr2 to the assembler.
1002 * config/mips/mips-dspr2.md: New file.
1004 2007-03-09 Sa Liu <saliu@de.ibm.com>
1006 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
1008 2007-03-09 Ian Lance Taylor <iant@google.com>
1010 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
1011 argument) like -Wstrict-overflow=2.
1012 * doc/invoke.texi (Warning Options): Update documentation.
1014 2007-03-09 Dirk Mueller <dmueller@suse.de>
1017 * doc/invoke.texi (-Wlogical-op): Document.
1018 * common.opt (-Wlogical-op): New.
1019 * c-common.h (warn_logical_operator): Declare.
1020 * c-common.c (warn_logical_operator): Define.
1021 * c-typeck.c (parser_build_binary_op): Call
1022 warn_logical_operator.
1024 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
1026 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
1027 * final.c (final_scan_insn): Test for non-"" file name.
1029 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
1031 * doc/loop.texi: Document the Omega linear constraints solver.
1032 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
1033 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
1034 omega-hash-table-size, omega-max-keys, and
1035 omega-eliminate-redundant-constraints.
1036 * tree-pass.h (pass_check_data_deps): Declared.
1039 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
1040 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
1041 pass_check_data_deps): New.
1042 * tree-data-ref.c (init_data_ref): Remove declaration.
1043 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
1044 (analyze_array): Renamed init_array_ref, move up initializations.
1045 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
1046 Removed arguments that are set to NULL.
1047 (analyze_indirect_ref): Correct indentation, correct call to
1049 (object_analysis): Call init_array_ref instead of analyze_array.
1050 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
1051 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
1052 of DR_ACCESS_FNS_ADDR.
1053 (init_omega_eq_with_af, omega_extract_distance_vectors,
1054 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
1055 ddr_consistent_p): New.
1056 (compute_affine_dependence): Check consistency of ddrs when
1057 flag_check_data_deps is passed.
1058 (analyze_all_data_dependences): Uncomment.
1059 (tree_check_data_deps): New.
1060 * tree-data-ref.h: Include omega.h.
1061 (DR_ACCESS_FNS_ADDR): Removed.
1062 (data_dependence_relation): Add inner_loop.
1063 (DDR_INNER_LOOP): New.
1064 * common.opt (fcheck-data-deps): New.
1065 * tree-flow.h (tree_check_data_deps): Declare.
1066 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
1067 (OBJS-common): Depend on omega.o.
1069 * passes.c (pass_check_data_deps): Scheduled.
1070 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
1071 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
1072 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
1073 PARAM_VECT_MAX_VERSION_CHECKS,
1074 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
1076 2007-03-09 Richard Guenther <rguenther@suse.de>
1078 PR tree-optimization/30904
1080 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
1081 the same way as *_DIV_EXPR.
1083 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
1085 * recog.c (decode_asm_operands): No mixed declarations and code.
1087 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
1089 * rtl.def (ASM_INPUT): Add location.
1090 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
1091 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
1092 (decode_asm_operands): Add loc operand.
1093 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
1094 * stmt.c (expand_asm): Rename to...
1095 (expand_asm_loc): ... this. Add locus argument. Pass it on to
1096 gen_rtx_ASM_INPUT_loc.
1097 (expand_asm_expr): Adjust.
1098 * recog.c (decode_asm_operands): Add loc operand.
1099 (check_asm_operands, extract_insn): Adjust.
1100 * reload1.c (maybe_fix_stack_asms): Likewise.
1101 * final.c (asm_insn_count): Likewise.
1102 (final_scan_insn): Output # line before and after asm.
1104 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
1106 * tree-ssa-structalias.c (variable_info): Remove
1108 (new_var_info): Ditto.
1109 (shared_bitmap_info_t): New structure.
1110 (shared_bitmap_table): New variable.
1111 (shared_bitmap_hash): New function.
1112 (shared_bitmap_eq): Ditto
1113 (shared_bitmap_lookup): Ditto.
1114 (shared_bitmap_add): Ditto.
1115 (merge_smts_into): Change to take bitmap directly.
1116 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
1117 (init_alias_vars): Init shared bitmap hashtable.
1118 (delete_points_to_sets): Delete shared bitmap hashtable.
1119 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
1120 is_aliased removal as a change that was still necessary was
1123 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
1125 * config/i386/i386.h (override_options): Conditionally disable
1126 x86_sahf for 64bit targets only.
1128 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
1131 * c-decl.c (merge_decls): Don't call make_var_volatile.
1132 * varasm.c (make_var_volatile): Remove.
1133 * output.h (make_var_volatile): Remove.
1135 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
1137 PR tree-optimization/31085
1138 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
1140 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1142 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
1143 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
1144 ATTR_CONST_NOTHROW_LIST.
1146 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
1149 2007-03-08 Diego Novillo <dnovillo@redhat.com>
1151 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
1153 2007-03-08 Geoffrey Keating <geoffk@apple.com>
1156 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
1158 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
1159 passed, use shared libgcc.
1161 2007-03-08 Roger Sayle <roger@eyesopen.com>
1163 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
1164 instead of calling build2 with a GIMPLE_MODIFY_STMT.
1165 (honor_protect_cleanup_actions, lower_try_finally_switch):
1167 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
1168 ifc_temp_var): Likewise.
1169 * tree-inline.c (setup_one_parameter): Likewise.
1170 * tree-mudflap.c (mf_decl_cache_locals,
1171 mf_build_check_statement_for): Likewise.
1172 * tree-nested.c (init_tmp_var, save_tmp_var,
1173 finalize_nesting_tree_1): Likewise.
1174 * tree-outof-ssa.c (insert_copy_on_edge,
1175 insert_backedge_copies): Likewise.
1176 * tree-profile.c (tree_gen_edge_profiler,
1177 tree_gen_ic_profiler): Likewise.
1178 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1179 * tree-sra.c (sra_build_assignment): Likewise.
1180 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
1181 * tree-ssa-math-opts.c (insert_reciprocals,
1182 execute_cse_sincos_1): Likewise.
1183 * tree-tailcall.c (adjust_accumulator_values,
1184 adjust_return_value): Likewise.
1185 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
1186 * tree-vect-transform.c (vect_create_data_ref_ptr,
1187 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
1188 vect_create_epilog_for_reduction, vectorizable_reduction,
1189 vectorizable_call, vectorizable_conversion,
1190 vectorizable_assignment, vectorizable_operation,
1191 vectorizable_type_demotion, vect_gen_widened_results_half,
1192 vect_permute_store_chain, vectorizable_store,
1193 vect_setup_realignment, vect_permute_load_chain,
1194 vectorizable_load, vectorizable_condition,
1195 vect_create_cond_for_align_checks): Likewise.
1196 * tree-vrp.c (build_assert_expr_for): Likewise.
1198 2007-03-08 Ian Lance Taylor <iant@google.com>
1200 * tree-vrp.c: Include "intl.h".
1201 (usable_range_p): New static function.
1202 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
1203 overflowed values, juts set *strict_overflow_p.
1204 (compare_values): Only return -2 if one of the operands is not a
1206 (compare_ranges): Call usable_range_p.
1207 (compare_range_with_value): Likewise.
1208 (vrp_evaluate_conditional_warnv): Rename from
1209 vrp_evaluate_conditional. Make static. Change all callers.
1210 (vrp_evaluate_conditional): New function.
1211 (simplify_div_or_mod_using_ranges): Issue warning about reliance
1213 (simplify_abs_using_ranges): Likewise.
1214 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
1215 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
1216 within_stmt parameter.
1217 * tree-ssa-propagate.c (fold_predicate_in): Update call to
1218 vrp_evaluate_conditional.
1219 * tree-ssa-threadedge.c
1220 (record_temporary_equivalences_from_stmts_at_dest): Change
1221 simplify parameter to take a second tree parameter.
1222 (simplify_control_stmt_condition): Likewise.
1223 (thread_across_edge): Likewise.
1224 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1225 (thread_across_edge): Likewise.
1226 * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
1228 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
1230 * config/i386/i386.h (TARGET_SAHF): New define.
1231 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
1232 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
1233 (x86_sahf): New global variable.
1234 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
1235 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
1236 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
1237 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
1239 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
1240 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
1241 when expanding fcomi/sahf based tests.
1242 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
1243 expanding sahf based alternative. Emit sahf based sequence when
1244 optimizing for code size.
1245 * config/i386/i386.md (x86_sahf_1): Do not disable for
1246 TARGET_64BIT, enable for TARGET_SAHF.
1248 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
1250 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
1251 spurious whitespace from error message.
1253 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
1256 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
1258 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
1260 * c-decl.c (grokdeclarator): Disable warnings for anonymous
1262 * tree-sra.c (instantiate_element): Propagate disabled warnings
1263 from the element itself to the created variable.
1265 2007-03-07 Richard Henderson <rth@redhat.com>
1268 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
1269 silently fix up the stack in the case of a missing register.
1271 2007-03-07 Paul Brook <paul@codesourcery.com>
1273 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
1275 2007-03-07 Joseph Myers <joseph@codesourcery.com>
1277 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
1279 (phase1_vrs): Use them.
1280 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
1281 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
1282 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
1283 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
1284 __gnu_Unwind_Restore_WMMXC if required.
1285 (_Unwind_VRS_Pop): Implement iWMMXt support.
1286 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
1287 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
1288 gnu_Unwind_Save_WMMXC): Define.
1290 2007-03-07 Richard Sandiford <richard@codesourcery.com>
1292 * config/vxworks.h (vxworks_override_options): Declare.
1293 (VXWORKS_OVERRIDE_OPTIONS): Use it.
1294 * config/vxworks.c: Include target.h and toplev.h.
1295 (vxworks_override_options): New function.
1296 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
1298 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
1300 * config/s390/s390.c (override_options): Don't emit an error when
1301 -mstack-size is used without providing -mstack-guard.
1302 (s390_emit_prologue): Choose stack_guard value automatically if not
1303 provided via command line.
1304 * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
1306 2007-03-07 Richard Sandiford <richard@codesourcery.com>
1308 * config/i386/i386.c (output_set_got): Add a GOT initialization
1309 sequence for VxWorks PIC.
1310 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
1311 around labels as well as symbols. Use gotoff_operand instead
1312 of local_symbolic_operand.
1313 (legitimize_pic_address): Use gotoff_operand instead of
1314 local_symbolic_operand. Use @GOT accesses for labels as
1316 (ix86_output_addr_diff_elt): Use PC-relative rather than
1317 GP-relative offsets for VxWorks PIC.
1318 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
1319 no_new_pseudos. Check whether the returned register is op0.
1320 * config/i386/i386.md (tablejump): Use PC-relative rather than
1321 GP-relative offsets for VxWorks PIC.
1322 * config/i386/predicates.md (gotoff_operand): New predicate.
1324 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1326 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
1328 * config/vxworks-dummy.h: New file.
1329 * config/i386/i386.h: Include it.
1331 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
1333 * dwarf2out.c (is_inlined_entry_point): New
1334 (add_high_low_attributes): Emit DW_AT_entry_pc along with
1335 DW_AT_ranges if the first subblock is the entry point.
1337 2007-03-06 David Daney <ddaney@avtrex.com>
1339 * doc/install.texi (mips-*-*): Change recommended binutils
1342 2007-03-06 Anatoly Sokolov <aesok@post.ru>
1344 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
1345 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
1347 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1348 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1350 2007-03-06 Jan Hubicka <jh@suse.cz>
1352 * errors.h (warning, error, fatal, internal_error): Mark as cold.
1353 * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
1355 (probably_cold_bb_p): Cold functions are cold.
1356 (probably_never_executed_bb_p): Cold functions are cold.
1357 (tree_bb_level_predictions): Predict calls to cold functions as not
1359 (compute_function_frequency): Check hot/cold attributes.
1360 * function.h (function_frequency): Update comments.
1361 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
1362 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
1363 (c_common_att): Add cold and hot.
1365 * doc/extend.texi (hot,cold attributes): Document.
1367 2007-03-06 Andrew Haley <aph@redhat.com>
1369 * function.c (expand_function_end): Move blockage to just after we
1370 emit the label for the naked return from the function.
1372 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1374 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
1377 2007-03-06 Jan Hubicka <jh@suse.cz>
1379 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
1380 loaded for constant large models. Non-large 64bit PIC can do.
1381 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
1382 * cmodel.h: Add LARGE PIC.
1383 * i386.md (UNSPEC_PLTOFF): New.
1384 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
1386 (*call_1_rex64): Disable for large models.
1387 (*call_1_rex64_large): New.
1388 (*call_value_1_rex64): Disable for large models.
1389 (*call_value_1_rex64_large): New.
1390 (set_rip_rex4): New.
1391 (set_got_offset_rex64): New.
1392 * predicates.md (constant_call_address_operand): For large model
1393 constant calls are not possible.
1394 * i386-protos.h (construct_plt_address): Declare.
1395 * i386.c (override_options): Accept large models.
1396 (ix86_expand_prologue): Expand large PIC GOT pointer load.
1397 (legitimate_constant_p): Add new UNSPECs.
1398 (legitimate_pic_operand_p): Likewise.
1399 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
1400 (legitimize_pic_address): Do easy RIP relative way for TLS only for
1402 (output_pic_addr_const): Add PLTOFF.
1403 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
1404 (ix86_expand_move): Legitimize pic address when in PIC mode.
1405 (construct_plt_address): New function.
1406 (ix86_expand_call): Offload the address to register and use GOT pointer
1408 * invoke.texi (mcmodel=large): Update documentation.
1410 2007-03-06 Richard Henderson <rth@redhat.com>
1412 * config/i386/i386.c (x86_use_leave, x86_push_memory,
1413 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
1414 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
1415 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
1416 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
1417 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
1418 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
1419 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
1420 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
1421 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1422 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1423 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
1424 x86_sse_partial_reg_dependency, x86_sse_split_regs,
1425 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
1426 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
1427 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
1428 x86_schedule, x86_use_bt, x86_pad_returns,
1429 x86_use_xchgb): Merge into ...
1430 (ix86_tune_features): ... here. New array.
1431 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
1432 x86_bswap): Merge into ...
1433 (ix86_arch_features): ... here. New array.
1434 (x86_3dnow_a): Remove.
1435 (x86_accumulate_outgoing_args): Make static.
1436 (x86_arch_always_fancy_math_387): Make static.
1437 (ix86_tune_mask, ix86_arch_mask): Move ...
1438 (override_options): ... to local variables here. Apply the
1439 appropriate mask to each element of ix86_arch_features and
1440 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
1441 as were done in the old macros.
1442 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
1443 * config/i386/i386.h (x86_use_leave, x86_push_memory,
1444 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
1445 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
1446 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
1447 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
1448 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
1449 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
1450 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
1451 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
1452 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
1453 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1454 x86_accumulate_outgoing_args, x86_prologue_using_move,
1455 x86_epilogue_using_move, x86_decompose_lea,
1456 x86_arch_always_fancy_math_387, x86_shift1,
1457 x86_sse_partial_reg_dependency, x86_sse_split_regs,
1458 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
1459 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
1460 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
1461 x86_use_incdec, x86_pad_returns, x86_bswap,
1462 x86_partial_flag_reg_stall): Remove.
1463 (enum ix86_tune_indices): New.
1464 (ix86_tune_features): New.
1465 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
1466 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
1467 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
1468 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
1469 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
1470 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
1471 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
1472 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
1473 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
1474 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
1475 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
1476 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
1477 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
1478 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
1479 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
1480 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
1481 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
1482 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
1483 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
1484 TARGET_EXT_80387_CONSTANTS): Use it.
1485 (enum ix86_arch_indices): New.
1486 (ix86_arch_features): New.
1487 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
1488 TARGET_BSWAP): Use it.
1489 (ix86_tune_mask, ix86_arch_mask): Remove.
1491 2007-03-06 Joseph Myers <joseph@codesourcery.com>
1494 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
1495 Define using $${sysroot_headers_suffix}.
1496 * configure: Regenerate.
1497 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
1498 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
1500 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
1501 * gcc.c (print_sysroot_headers_suffix): New.
1502 (option_map): Include --print-sysroot-headers-suffix.
1503 (display_help): Mention -print-sysroot-headers-suffix.
1504 (process_command): Handle -print-sysroot-headers-suffix.
1505 (do_spec_1): Append multilib directory to include-fixed path if
1506 sysroot suffixes in use.
1507 (main): Handle -print-sysroot-headers-suffix.
1508 * Makefile.in (start.encap): Don't depend on xlimits.h
1509 (xlimits.h): Remove.
1510 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
1511 limits.h for each multilib in fixinc_list.
1512 (fixinc_list, s-fixinc_list): New.
1513 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
1514 generate them for each multilib in fixinc_list.
1515 (stmp-fixproto): Use include-fixed. Run fixproto for each
1516 multilib in fixinc_list.
1517 (mostlyclean): Don't remove xlimits.h.
1518 (clean): Remove include-fixed.
1519 (real-install-headers-tar, real-install-headers-cpio,
1520 real-install-headers-cp): Don't copy include, only include-fixed.
1521 (install-mkheaders): Depend on fixinc_list. Don't depend on
1522 xlimits.h. Save limits.h files for each multilib in fixinc_list.
1523 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
1524 SYSTEM_HEADER_DIR setting in mkheaders.conf.
1526 2007-03-06 Jan Hubicka <jh@suse.cz>
1528 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
1531 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1533 * configure.ac: Allow tm_file to contain build-directory files.
1534 * configure: Regenerate.
1535 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
1536 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
1537 * config/m68k/print-sysroot-suffix.sh: New file.
1539 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1541 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
1542 of pic_offset_table_rtx if reload_completed.
1543 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
1544 PIC_OFFSET_TABLE_REGNUM.
1545 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
1547 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
1548 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
1550 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1552 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
1553 functions that call eh_return.
1555 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1557 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
1558 functions that need a constant pool.
1560 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1563 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
1564 (m68k_preferred_reload_class): Likewise.
1565 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
1566 (SECONDARY_RELOAD_CLASS): Define.
1567 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
1568 (LIMIT_RELOAD_CLASS): Delete.
1569 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
1570 registers from storing bytes.
1571 (m68k_secondary_reload_class): New function.
1572 (m68k_preferred_reload_class): Likewise.
1574 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1576 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
1578 (m68k_expand_prologue): Likewise.
1580 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1582 * config/m68k/m68k-protos.h (output_sibcall): Declare.
1583 (mips_expand_epilogue): Add a bool parameter.
1584 (m68k_legitimize_sibcall_address): Declare.
1585 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
1586 (m68k_expand_epilogue): Add a parameter to select between sibling
1587 and normal epilogues. Only generate a return for the latter.
1588 (m68k_ok_for_sibcall_p): New function.
1589 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
1590 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
1591 (sibcall_value, *sibcall_value): Likewise.
1592 (*call, *call_value): Require !SIBLING_CALL_P.
1593 (epilogue): Update call to m68k_expand_epilogue.
1594 (sibcall_epilogue): New pattern.
1595 * config/m68k/predicates.md (const_call_operand): Say that this
1596 predicate applies to sibling calls too.
1597 (sibcall_operand): New predicate.
1599 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1601 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
1602 alternatives as movsi_cf.
1603 (movsf_cf_hard): Add commentary.
1605 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
1606 Richard Sandiford <richard@codesourcery.com>
1608 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
1609 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
1610 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
1611 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
1612 as being live on exit from an interrupt function.
1613 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
1614 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
1615 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
1616 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
1617 (m68k_interrupt_function_p): Globalize.
1618 (m68k_compute_frame_layout): Remove reverse mask code.
1619 (m68k_emit_movem, m68k_set_frame_related): New functions.
1620 (m68k_output_function_prologue): Delete in favor of...
1621 (m68k_expand_prologue): ...this new function.
1622 (m68k_output_function_epilogue): Delete in favor of...
1623 (m68k_expand_epilogue): ...this new function.
1624 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
1626 (print_operand): Handle %?.
1627 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
1628 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
1629 (prologue, epilogue): New patterns.
1630 (return): Turn into a define_expand.
1631 (*return): New pattern, derived from old "return" pattern. Use rte
1632 rather than rts for interrupt functions. Only use rtd if the pop
1634 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
1635 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
1636 (link, *link, unlink, *unlink, load_got): Likewise.
1638 2007-03-06 Richard Sandiford <richard@codesourcery.com>
1642 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
1643 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
1644 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
1645 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
1646 and m68k_matches_u_p.
1647 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
1648 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
1649 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
1650 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
1651 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
1652 (REG_STRICT_P): New macro.
1653 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
1654 PCREL_GENERAL_OPERAND_OK.
1655 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
1656 m68k_legitimate_base_reg_p.
1657 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
1658 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
1659 (PIC_CASE_VECTOR_ADDRESS): Update comment.
1660 * config/m68k/m68k.c (m68k_address): New structure.
1661 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
1662 (m68k_decompose_index, m68k_legitimate_constant_address_p)
1663 (m68k_jump_table_ref_p, m68k_decompose_address)
1664 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
1665 (m68k_matches_u_p): New functions.
1666 (print_operand_address): Rewrite to use m68k_decompose_index.
1668 2007-03-05 David Taylor <dtaylor@emc.com>
1670 * gcc.c: Correct copyright date in --version output.
1672 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1674 * pa.md: In unamed move patterns, disparge copies between general
1675 and floating point registers using '?' modifier. Don't include 'f'
1676 constraint for register preferences in DImode, SImode, HImode and
1677 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
1678 Remove constraints for copies between general and floating registers
1679 in soft-float DFmode pattern.
1680 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
1684 2007-03-05 Mike Stump <mrs@apple.com>
1686 * c-common.c (targetcm): Add.
1687 * c-opts.c (c_common_handle_option): Handle language specific
1689 * opts.c (handle_option): Verify language for target options, if
1691 * opth-gen.awk: Add CL_LANG_ALL.
1692 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
1693 (TARGETCM_INITIALIZER): Add.
1694 * target.h (struct gcc_targetcm): Add.
1696 * targhooks.c (default_handle_c_option): Add.
1697 * targhooks.h (default_handle_c_option): Add.
1698 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
1700 * config/darwin.opt (iframework): Add.
1701 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
1702 * config/darwin-c.c (handle_c_option): Add.
1703 (TARGET_HANDLE_C_OPTION): Add.
1705 * doc/invoke.texi (Darwin Options): Add -iframework.
1707 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1709 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
1712 2007-03-05 Ian Lance Taylor <iant@google.com>
1714 * c.opt (fgnu89-inline): New option.
1715 * c-opts.c (c_common_post_options): Set default value for
1717 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
1718 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
1720 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
1721 (grokdeclarator, start_function): Likewise.
1722 * c-cppbuiltin.c (c_cpp_builtins): Define either
1723 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
1724 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
1725 (C Dialect Options): Document -fgnu89-inline.
1726 * doc/extend.texi (Function Attributes): Explain what the
1727 gnu_inline attribute does.
1728 * doc/cpp.texi (Common Predefined Macros): Document
1729 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1731 2007-03-05 Ian Lance Taylor <iant@google.com>
1733 PR tree-optimization/31034
1734 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
1735 half-range if the other side is an overflow infinity.
1737 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1739 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
1740 (bfin*-linux-uclibc*): New configuration.
1741 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
1743 * config/bfin/linux.h: New file.
1744 * config/bfin/libgcc-bfin.ver: New file.
1745 * config/bfin/t-bfin-uclinux: New file.
1746 * config/bfin/t-bfin-linux: New file.
1747 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
1748 (TARGET_OS_CPP_BUILTINS): New macro.
1750 2007-03-05 Richard Guenther <rguenther@suse.de>
1752 * fold-const.c (fold_binary): Remove duplicate folding
1753 of comparison of non-null ADDR_EXPR against null.
1755 2007-03-05 Richard Guenther <rguenther@suse.de>
1756 Dorit Nuzman <dorit@il.ibm.com>
1758 PR tree-optimization/26420
1759 * tree-vectorizer.c (vectorize_loops): Bail out early if there
1760 are no loops in the function. Only print the number of
1761 vectorized loops if it is greater than zero or we are supposed
1762 to print information about unvectorized loops.
1764 2007-03-05 Revital Eres <eres@il.ibm.com>
1766 * gcc.dg/var-expand1.c: New test.
1767 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
1768 when an accumulator is expanded.
1770 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1773 * c-common.c (convert_and_check): Don't give warnings for
1774 conversion if 'expr' already overflowed.
1776 2007-03-04 Roger Sayle <roger@eyesopen.com>
1779 * fold-const.c (fold_comparison): Enforce type consistency when
1780 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
1782 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
1784 * tree-ssa-address.c (create_mem_ref): Do not put an expression
1785 containing a cast to the base of TARGET_MEM_REF.
1787 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
1789 * tree.c (tree_contains_struct_check_failed): Remove spurious
1790 whitespace from error message.
1792 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
1795 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
1796 instead of precision.
1798 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
1799 Nathan Sidwell <nathan@codesourcery.com>
1801 * emit-rtl.c (find_auto_inc): New.
1802 (try_split): recreate REG_INC notes,
1803 Use regular for loops rather than whiles.
1805 2007-03-03 Andreas Schwab <schwab@suse.de>
1807 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
1808 * configure: Regenerate.
1810 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1812 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
1813 flag_rounding_math, not flag_unsafe_math_optimizations.
1815 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
1817 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
1818 alpha_fold_vector_minmax): Likewise.
1819 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
1820 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
1822 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
1824 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
1825 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
1826 if the lhs has side-effects.
1827 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
1829 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
1831 * config/i386/i386.h (TUNEMASK): Remove define.
1832 (ARCHMASK): Remove define.
1833 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
1834 Use ix86_arch_mask variable instead of ARCHMASK.
1835 * config/i386/i386.c (override_options): Ditto.
1836 (standard_80387_constant_p): Ditto.
1838 2007-03-02 Ian Lance Taylor <iant@google.com>
1840 Used signed infinities in VRP.
1841 * tree-vrp.c (uses_overflow_infinity): New static function.
1842 (supports_overflow_infinity): New static function.
1843 (make_overflow_infinity): New static function.
1844 (negative_overflow_infinity): New static function.
1845 (positive_overflow_infinity): New static function.
1846 (is_negative_overflow_infinity): New static function.
1847 (is_positive_overflow_infinity): New static function.
1848 (is_overflow_infinity): New static function.
1849 (overflow_infinity_range_p): New static function.
1850 (compare_values_warnv): New function split out of compare_values.
1851 (compare_value): Call it.
1852 (set_value_range_to_nonnegative): Add overflow_infinity
1853 parameter. Change caller.
1854 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
1856 (vrp_expr_computes_nonzero): Likewise.
1857 (compare_ranges, compare_range_with_value): Likewise.
1858 (compare_name_with_value, compare_names): Likewise.
1859 (vrp_evaluate_conditional): Likewise.
1860 (set_value_range): Handle infinity
1861 (vrp_operand_equal_p, operand_less_p): Likewise.
1862 (extract_range_from_assert): Likewise.
1863 (vrp_int_const_binop): Likewise.
1864 (extract_range_from_binary_expr): Likewise.
1865 (extract_range_from_unary_expr): Likewise.
1866 (extract_range_from_comparison): Likewise.
1867 (extract_range_from_expr): Likewise.
1868 (dump_value_range): Likewise.
1869 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
1870 (test_for_singularity): Likewise.
1871 (vrp_int_const_binop): Remove inline qualifier.
1872 (adjust_range_with_scev): Add comment.
1873 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1875 2007-03-02 Diego Novillo <dnovillo@redhat.com>
1877 * tree-ssa-structalias.c (could_have_pointers): Tidy.
1878 (get_constraint_for): Likewise.
1879 (do_structure_copy): Likewise.
1880 (find_func_aliases): Fix references to MODIFY_EXPR.
1881 (intra_create_variable_infos): Tidy.
1882 * tree-ssa-operands.c (add_virtual_operand): Add argument
1884 When adding members of alias sets, if IS_CALL_SITE is true and
1885 the symbol is not call-clobbered, skip it.
1888 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
1890 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
1891 entry by means of emit_insn_at_entry.
1893 2007-03-02 Richard Henderson <rth@redhat.com>
1895 * expr.h (promoted_input_arg): Remove decl.
1896 * function.c (promoted_input_arg): Merge into ...
1897 * combine.c (setup_incoming_promotions): ... only caller.
1898 Rearrange to avoid double loop.
1900 2007-03-02 Ben Elliston <bje@au.ibm.com>
1901 Peter Bergner <bergner@vnet.ibm.com>
1902 Janis Johnson <janis187@us.ibm.com>
1904 * config/rs6000/dfp.md: New file.
1905 * config/rs6000/rs6000.md: Include dfp.md.
1906 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
1907 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
1908 and TDmode decimal float modes in FP registers.
1909 (num_insns_constant): Likewise.
1910 (rs6000_legitimate_offset_address_p): Likewise.
1911 (rs6000_legitimize_address): Likewise.
1912 (rs6000_legitimize_reload_address): Likewise.
1913 (rs6000_legitimate_address): Likewise.
1914 (rs6000_emit_move): Likewise.
1915 (function_arg_boundary): Likewise.
1916 (function_arg_advance): Likewise.
1917 (rs6000_darwin64_record_arg_recurse): Likewise.
1918 (function_arg): Likewise.
1919 (rs6000_gimplify_va_arg): Likewise.
1920 (rs6000_split_multireg_move): Likewise.
1921 (rs6000_output_function_epilogue): Likewise.
1922 (rs6000_output_function_epilogue): Likewise.
1923 (rs6000_register_move_cost): Likewise.
1924 (rs6000_function_value): Likewise.
1925 (rs6000_libcall_value): Likewise.
1927 2007-03-02 Richard Sandiford <richard@codesourcery.com>
1929 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
1931 2007-03-02 Richard Sandiford <richard@codesourcery.com>
1933 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
1934 Use $MULTIDIR to choose between the kernel and RTP headers,
1935 and use $WIND_BASE and $WIND_USR to locate them.
1937 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
1939 * config/i386/i386.c (override_options): Put initialization of
1940 ix86_tune_mask and ix86_arch_mask to the correct place.
1942 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
1943 Michael Meissner <michael.meissner@amd.com>
1946 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
1948 (TARGET_CMOVE): Use ARCHMASK.
1949 (TARGET_CMPXCHG): Ditto.
1950 (TARGET_CMPXCHG8B): Ditto.
1951 (TARGET_XADD): Ditto.
1952 (TARGET_BSWAP): Ditto.
1953 * config/i386/i386.c (ix86_tune_mask): New global variable.
1954 (ix86_arch_mask): Ditto.
1955 (override_options): Initialize ix86_tune_mask and
1956 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
1959 2007-03-02 Ben Elliston <bje@au.ibm.com>
1962 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
1964 2007-03-02 Joseph Myers <joseph@codesourcery.com>
1966 * target.h (init_dwarf_reg_sizes_extra): New target hook.
1967 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
1968 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
1969 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
1971 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
1972 rs6000_init_dwarf_reg_sizes_extra): New.
1973 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
1974 SPE register high parts.
1976 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
1978 * Makefile.in: Add install-pdf target as
1979 copied from automake v1.10 rules.
1980 * configure.ac: Add install-pdf to target list.
1981 * configure: Regenerate.
1983 2007-03-01 Paul Brook <paul@codesourcery.com>
1985 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
1986 modes to LDRD for DImode.
1987 (output_move_double): Fixup out of range ldrd/strd.
1988 (vfp_secondary_reload_class): Rename...
1989 (coproc_secondary_reload_class): ... to this. Add wb argument.
1990 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
1991 coproc_secondary_reload_class for CLASS_IWMMXT.
1992 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
1993 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
1995 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
1997 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the unroll
1998 factor by the estimated number of iterations.
1999 (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
2002 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
2003 decode_caches_intel, detect_caches_intel): New functions.
2004 (host_detect_local_cpu): Use detect_caches_amd and
2005 detect_caches_intel.
2007 2007-03-01 Richard Henderson <rth@redhat.com>
2009 * expr.c (emit_move_complex_push): Export.
2010 (emit_move_complex_parts): Split out from ...
2011 (emit_move_complex): ... here.
2012 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
2013 * config/i386/i386.md (movcdi): New.
2015 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
2017 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
2018 size of mode1 to check for tieable modes in MMX case.
2020 2007-03-01 Richard Sandiford <richard@codesourcery.com>
2022 * Makefile.in (rtlanal.o): Depend on tree.h.
2023 * rtl.h (offset_within_section_p, split_const): Declare.
2024 * rtlanal.c: Include tree.h.
2025 (offset_within_block_p): New function, taken from
2026 mips_offset_within_object_p.
2027 (split_const): New function, taken from mips_split_const.
2028 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
2030 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
2031 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
2032 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
2033 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
2034 (m68k_illegitimate_symbolic_constant_p): New function.
2035 * config/m68k/m68k.md (movsi): Remove misleading predicates.
2036 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
2037 symbolic constant that might be outside the symbol's section,
2038 move the symbol first and then add the offset.
2039 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
2041 * config/mips/mips.c (mips_split_const): Delete.
2042 (mips_offset_within_object_p): Delete.
2043 (mips_symbolic_constant_p): Use offset_within_section_p and
2044 split_const instead of mips_offset_within_object_p and
2046 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
2047 (mips_legitimize_const_move, print_operand_reloc)
2048 (mips_dangerous_for_la25_p): Use split_const instead of
2051 2007-02-28 Eric Christopher <echristo@apple.com>
2053 * Makefile.in (install-include-dir): Don't rm -rf include.
2055 2007-02-28 Richard Guenther <rguenther@suse.de>
2058 * fold-const.c (fold_binary): Do not associate expressions
2059 with more than one variable for integer types that do not wrap.
2061 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
2063 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
2064 Delete, and replace with...
2065 (fold_builtin_call_array): This. Update callers to use it.
2066 * fold-const.c (fold_build_call_list): Delete, and replace with...
2067 (fold_build_call_array): This.
2068 (fold_build_call_list_initializer): Delete, and replace with...
2069 (fold_build_call_array_initializer): This.
2070 * tree.h: Update declarations to reflect above changes.
2072 * c-typeck.c (build_function_call): Store converted arguments
2073 in a stack-allocated array instead of building a list.
2074 (convert_arguments): Store arguments in the array passed in as an
2075 argument, and return the actual number of arguments.
2076 * c-format.c: (check_function_format): Pass arguments in an
2077 array instead of a list.
2078 * c-common.c (check_function_nonnull): Likewise.
2079 (check_function_sentinel): Likewise.
2080 (check_function_arguments): Likewise.
2081 * c-common.h: Update declarations to reflect above changes.
2083 2007-02-28 Jan Hubicka <jh@suse.cz>
2085 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
2086 PRED_NEGATIVE_RETURN): Update outcomes.
2088 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
2090 * calls.c (emit_library_call_value_1): Handle partial registers
2091 correctly when building up CALL_INSN_FUNCTION_USAGE.
2093 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2095 * pa/predicates.md (move_src_operand): Allow zero for mode.
2096 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
2099 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
2102 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
2103 *movv2df_internal): Enable pattern only for valid operand
2105 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
2106 tie only 128bit modes. For MMX registers, tie only 64bit modes.
2108 2007-02-27 Mike Stump <mrs@apple.com>
2110 * config/darwin-crt3.c: Avoid compilation when compiling for a
2113 2007-02-27 Joseph Myers <joseph@codesourcery.com>
2115 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
2117 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
2118 for fixed headers and limits.h.
2119 (install-include-dir, install-headers-tar, install-headers-cpio,
2120 install-headers-cp, real-install-headers-tar,
2121 real-install-headers-cpio, real-install-headers-cp): Handle
2122 include-fixed as well as include.
2123 (install-mkheaders): Don't install files that go only in include
2125 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
2126 from GCC_INCLUDE_DIR.
2127 * gcc.c (process_command): Remove special -BstageN/ handling.
2128 (do_spec_1): Add include-fixed directories.
2130 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
2132 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
2134 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
2136 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
2139 2007-02-27 Mark Mitchell <mark@codesourcery.com>
2141 * c-common.c (get_priority): Add check for
2142 SUPPORTS_INIT_PRIORITY.
2144 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
2146 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
2148 * config/bfin/bfin.c: Include "cfglayout.h".
2149 (MAX_LSETUP_DISTANCE): New macro.
2150 (struct loop_info): New members incoming, incoming_src and
2151 incoming_dest. Delete member predecessor.
2152 (length_for_loop): New function.
2153 (bfin_optimize_loop): Handle more different loop structures.
2154 (bfin_discover_loop): Rework detection of predecessor blocks by
2155 examining incoming edges.
2156 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
2158 (bfin_reorder_loops): New function.
2159 (bfin_reorg_loops): Use these three new functions.
2161 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
2162 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
2163 (CONSTRAINT_LEN): Add entry for 'q'.
2164 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
2165 Add 'q' constraints.
2166 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
2167 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
2169 * config/bfin/bfin.md (add_with_carry): New pattern.
2170 (s_or_u, su_optab, su_modifier): New code macros/attrs.
2171 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
2172 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
2173 support unsigned multiplies too. Removed incorrect commutativity from
2174 operand 1 constraint where appropriate.
2175 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
2177 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
2178 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
2180 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
2181 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
2182 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
2183 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
2184 usmulhisi_hh_huh): New patterns.
2186 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
2187 lshifthi3): Fix output template to use half reg for operand 2.
2189 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
2192 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
2194 2007-02-27 Andreas Schwab <schwab@suse.de>
2196 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
2198 2007-02-27 Jan Hubicka <jh@suse.cz>
2200 * predict.c (last_basic_block_p): Remove.
2201 (tree_estimate_probability): Update return heuristic for commonized
2204 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
2206 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
2208 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
2210 * doc/include/gcc-common.texi (versionsubtitle): New macro.
2211 * doc/cpp.texi: Standardize title page.
2212 * doc/cppinternals.texi: Likewise.
2213 * doc/gcc.texi: Standardize title page, remove version number
2214 from copyright page.
2215 * doc/gccint.texi: Likewise.
2216 * doc/install.texi: Standardize title page, add table of
2219 2007-02-26 Jan Hubicka <jh@suse.cz>
2221 * predict.def: Set outcomes according to more recent results.
2222 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
2223 Remove dead predictors.
2224 * predict.c (return_prediction): Fix pasto.
2226 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
2228 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
2229 change; avoid a memory leak when returning early.
2231 2007-02-26 Mark Mitchell <mark@codesourcery.com>
2233 * c-decl.c (static_ctors): Move to c-common.c.
2234 (static_dtors): Likewise.
2235 (finish_function): Use c_record_cdtor_fn.
2236 (build_cdtor): Move to c-common.c.
2237 (c_write_global_declarations): Use c_build_cdtor_fns.
2238 * c-common.h (static_ctors): Declare.
2239 (static_dtors): Likewise.
2240 (c_record_cdtor_fn): Likewise.
2241 (c_build_cdtor_fns): Likewise.
2242 * c-common.c (static_ctors): New variable.
2243 (static_dtors): Likewise.
2244 (c_record_cdtor_fn): New function.
2245 (build_cdtor): Move from c-decl.c
2246 (c_build_cdtor_fns): New function.
2248 * output.h (assemble_addr_to_section): Declare.
2249 (get_cdtor_priority_section): Likewise.
2250 * varasm.c (assemble_addr_to_section): New function.
2251 (get_cdtor_priority_section): Likewise.
2252 (default_named_section_asm_out_destructor): Use them.
2253 (destor_dtor_section_asm_out_destructor): Likewise.
2254 (default_named_section_asm_out_constructor): Likewise.
2255 (default_ctor_section_asm_out_constructor): Likewise.
2256 * config.gcc (*-*-vxworks*): Include vxworks.o.
2257 * config/t-vxworks (vxworks.o): New target.
2258 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
2259 (TARGET_ASM_CONSTRUCTOR): Define.
2260 (TARGET_ASM_DESTRUCTOR): Likewise.
2261 (vxworks_asm_out_constructor): Declare.
2262 (vxworks_asm_out_destructor): Likewise.
2264 * c-common.c (get_priority): Check that we have not just an
2265 INTEGER_CST, but an integer constant with integeral type.
2267 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
2269 PR tree-optimization/30938
2270 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
2271 use &dt[nargs-1] instead of &dt[nargs] in the call to
2272 vect_is_simple_use().
2274 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
2276 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
2277 from register elimination as PRE_MODIFY / POST_MODIFY increments.
2278 Do not attempt to handle MEM inside auto-inc expressions.
2279 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
2280 of a register modified by an auto-inc expression. However, do handle
2281 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
2282 (elimination_effects): Prohibit elimination of a register modified
2283 by an auto-inc expression. Disable register elimination rules whose
2284 target register is modified by an auto-inc expression with variable
2287 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
2289 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
2291 (array_at_struct_end_p): New function.
2292 (idx_infer_loop_bounds): Use it.
2293 (estimate_numbers_of_iterations_loop): Export.
2294 * predict.c (predict_loops): Use estimated_loop_iterations_int.
2295 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
2296 (tree_estimate_probability): Call record_loop_exits.
2297 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
2298 (estimated_loop_iterations, estimated_loop_iterations_int,
2299 estimated_loop_iterations_tree): New functions.
2300 (analyze_siv_subscript_cst_affine,
2301 compute_overlap_steps_for_affine_1_2,
2302 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
2303 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
2304 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
2305 (PRED_LOOP_ITERATIONS_GUESSED): New.
2306 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
2307 * cfgloop.h (estimate_numbers_of_iterations_loop,
2308 estimated_loop_iterations_int): Declare.
2310 2007-02-25 Mark Mitchell <mark@codesourcery.com>
2312 * doc/extend.texi: Document optional priority argument to
2313 constructors and destructors.
2314 * tree.c (init_priority_for_decl): Adjust GTY markers.
2315 (init_ttree): Use priority-info hash functions for
2316 init_priority_for_decl.
2317 (tree_map_eq): Rename to ...
2318 (tree_map_base_eq): ... this.
2319 (tree_map_marked_p): Rename to ...
2320 (tree_map_base_marked_p): ... this.
2321 (tree_map_base_hash): New function.
2322 (decl_init_priority_lookup): Rework.
2323 (decl_fini_priority_lookup): New function.
2324 (decl_priority_info): New function.
2325 (decl_init_priority_insert): Use it.
2326 (decl_fini_priority_insert): Likewise.
2327 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
2329 (decl_restrict_base_insert): Likewise.
2330 (decl_debug_expr_insert): Likewise.
2331 (decl_value_expr_lookup): Likewise.
2332 (decl_value_expr_insert): Likewise.
2333 * tree.h (priority_type): New type.
2334 (decl_init_priority_lookup): Use priority_type.
2335 (decl_fini_priority_lookup): New function.
2336 (decl_init_priority_insert): Use priority_type.
2337 (decl_fini_priority_insert): New function.
2338 (DECL_HAS_INIT_PRIORITY): Tweak comments.
2339 (DECL_INIT_PRIORITY): Likewise.
2340 (SET_DECL_INIT_PRIORITY): Add comment.
2341 (DECL_FINI_PRIORITY): New macro.
2342 (SET_DECL_FINI_PRIORITY): Likewise.
2343 (DEFAULT_INIT_PRIORITY): Document.
2344 (MAX_INIT_PRIORITY): Likewise.
2345 (MAX_RESERVED_INIT_PRIORITY): Likewise.
2346 (tree_map_base): New type.
2347 (tree_map_base_eq): New function.
2348 (tree_map_base_hash): Likewise.
2349 (tree_map_base_marked_p): Likewise.
2350 (tree_map): Inherit from tree_map_base.
2351 (tree_map_eq): Make it a macro.
2352 (tree_map_marked_p): Likewise.
2353 (tree_int_map): Inherit from tree_map_base.
2354 (tree_int_map_eq): Make it a macro.
2355 (tree_int_map_hash): Likewise.
2356 (tree_int_map_marked_p): Likewise.
2357 (tree_priority_map): New type.
2358 (tree_priority_map_eq): New macro.
2359 (tree_priority_map_hash): Likewise.
2360 (tree_priority_map_marked_p): Likewise.
2361 * varasm.c (emults_decl): Adjust for refactoring of tree_map
2363 (emutls_common_1): Likewise.
2364 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
2365 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
2366 of tree_map hierarchy.
2367 * tree-cfg.c (move_stmt_r): Likewise.
2368 (new_label_mapper): Likewise.
2369 * c-tree.h (c_expand_body): Move to ...
2370 * c-common.h (c_expand_body): ... here.
2371 * c-decl.c (c_expand_body): Move to ...
2372 * c-common.c (c_expand_body): ... here.
2373 (c_common_attribute_table): Allow 1 argument for the constructor
2374 and destructor attributes.
2375 (get_priority): New function.
2376 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
2377 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
2379 2007-02-24 Jan Hubicka <jh@suse.cz>
2382 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
2384 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
2385 Jan Hubicka <jh@suse.cz>
2388 * i386.c (counter_mode): New function.
2389 (expand_set_or_movmem_via_loop): Use it.
2390 (expand_movmem_epilogue): Likewise; fix pasto.
2391 (ix86_expand_movmem): Do emit guard even for constant counts.
2392 (ix86_expand_setmem): Likewise.
2394 2007-02-25 Nick Clifton <nickc@redhat.com>
2396 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
2397 (JUMP_TABLES_IN_TEXT_SECTION): Define.
2399 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
2402 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
2403 count argument with 0x10, not with 0x16.
2404 (expand_setmem_epilogue): Ditto.
2406 2007-02-24 Mike Stump <mrs@apple.com>
2408 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
2411 2007-02-24 Richard Guenther <rguenther@suse.de>
2414 * fold-const.c (fold_binary): Fold x +- CST op x for
2415 EQ_EXPR and NE_EXPR.
2417 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2419 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
2421 2007-02-24 Jan Hubicka <jh@suse.cz>
2423 * cgraphunit.c (decide_is_function_needed): Honor
2424 -fkeep-inline-functions.
2426 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2428 * builtins.c (fold_builtin_modf): New.
2429 (fold_builtin_2): Use it.
2431 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
2433 * loop-iv.c (implies_p): Detect additional cases where A implies B.
2434 (determine_max_iter): Take additional LOOP arg; all callers changed.
2435 Lose broken logic dealing with PLUS. Try to limit the upper bound by
2436 one using simplifications.
2437 (simplify_using_initial_values): Return if the expression becomes
2438 invalid due to altered regs.
2440 2007-02-23 DJ Delorie <dj@redhat.com>
2442 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
2444 2007-02-23 Mike Stump <mrs@apple.com>
2446 * tlink.c (scan_linker_output): Parse linker messages from
2447 darwin9's linker better.
2449 2007-02-23 Steve Ellcey <sje@cup.hp.com>
2452 * varpool.c (varpool_assemble_pending_decls): Set
2453 varpool_last_needed_node to null.
2455 2007-02-23 DJ Delorie <dj@redhat.com>
2457 * config/i386/i386.c (ix86_data_alignment): Don't specify an
2458 alignment bigger than the object file can handle.
2460 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
2463 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
2464 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
2465 (*movsf_1): Penalize MMX moves.
2467 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
2469 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
2470 2^32-1 or more times unless flag_unsafe_loop_optimizations.
2472 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
2474 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2476 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
2477 (fold_builtin_1): Use them.
2478 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2479 BUILT_IN_SIGNIFICAND.
2481 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
2483 * config/i386/i386.c (bdesc_1arg): Initialize
2484 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
2485 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
2486 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
2487 and IX86_BUILTIN_MOVSLDUP.
2489 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
2491 PR rtl-optimization/30841
2492 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
2494 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2496 * builtins.c (fold_builtin_frexp): New.
2497 (fold_builtin_2): Use it.
2499 2007-02-22 Mark Mitchell <mark@codesourcery.com>
2501 * doc/invoke.texi (Spec Files): Document getenv spec function.
2503 * gcc.c (getenv_spec_function): New function.
2504 (static_spec_functions): Add it.
2505 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
2506 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
2509 2007-02-22 Michael Matz <matz@suse.de
2512 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
2513 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
2515 2007-02-22 Ian Lance Taylor <iant@google.com>
2518 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
2519 (mem_loc_descriptor): Call it.
2521 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
2522 Ira Rosen <irar@il.ibm.com>
2524 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
2526 2007-02-22 Ira Rosen <irar@il.ibm.com>
2528 PR tree-optimization/30843
2529 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
2530 stores only after all the group is vectorized.
2532 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
2534 PR tree-optimization/30858
2535 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
2536 in the reduction cycle have a single use in the loop.
2537 * tree-vectorizer.h (relevant): Add documentation.
2539 2007-02-20 Mike Stump <mrs@apple.com>
2541 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
2542 * configure: Regenerate.
2544 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2546 Change the defaults of some parameters and options.
2547 * config/spu/spu-protos.h (spu_optimization_options): Declare.
2548 * config/spu/spu.c (spu_optimization_options): Add.
2549 (spu_override_options): Change params in spu_optimization_options.
2550 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
2552 Register 127 is only 16 byte aligned when used as a frame pointer.
2553 * config/spu/spu-protos.h (spu_init_expanders): Declare.
2554 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
2555 HARD_FRAME_POINTER_REGNUM.
2556 (spu_legitimate_address): Use regno_aligned_for_reload.
2557 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
2558 aligned when frame_pointer_needed is true.
2559 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
2561 * config/spu/spu.h (INIT_EXPANDERS): Define.
2563 Make sure shift and rotate instructions have valid immediate operands.
2564 * config/spu/predicates.md (spu_shift_operand): Remove.
2565 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
2566 * config/spu/constraints.md (W, O): Extend range.
2567 * config/spu/spu.md (umask, nmask): Define.
2568 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
2569 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
2570 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
2571 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
2572 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
2573 (lshr<mode>3_reg): Fix rtl description.
2575 Make sure mulhisi immediate operands are valid.
2576 * config/spu/predicates.md (imm_K_operand): Add.
2577 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
2579 Generate constants using fsmbi and andi.
2580 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
2581 (print_operand, spu_split_immediate, classify_immediate,
2582 fsmbi_const_p): Handle IC_FSMBI2.
2584 Correctly handle a CONST_VECTOR containing symbols.
2585 * config/spu/spu.c (print_operand): Handle HIGH correctly.
2586 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
2587 (immediate_load_p): Allow symbols that use 2 instructions to create.
2588 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
2589 with symbols when flag_pic is set.
2590 (const_vector_immediate_p): New.
2591 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
2592 accept a CONST_VECTOR with symbols.
2593 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
2594 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
2596 * config/spu/spu.md (high, low): Delete.
2597 (low_<mode>): Define.
2599 Remove INTRmode and INTR_REGNUM, which didn't work.
2600 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
2602 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
2603 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
2604 peephole2 pattern): Don't use INTR or 131.
2605 (movintrcc): Delete.
2606 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
2607 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
2608 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
2609 (UNSPEC_SET_INTR): Add.
2610 * config/spu/spu-modes.def (INTR): Remove.
2612 More accurate warnings about run-time relocations.
2613 * config/spu/spu.c (reloc_diagnostic): Test in_section.
2615 Correctly warn about immediate arguments to specific intrinsics.
2616 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
2617 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
2618 the instruction predicate.
2620 Fix tree check errors with latest update.
2621 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
2623 (spu_expand_builtin): Use CALL_EXPR_FN.
2625 Add missing specific intrinsics.
2626 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
2628 * config/spu/spu_internals.h: Ditto.
2630 Fix incorrect operand modifiers.
2631 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
2632 * config/spu/spu.md (xor<mode>3): Change %S to %J.
2634 Optimize one case of zero_extend of a vec_select.
2635 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
2637 Accept any immediate for hbr.
2638 * config/spu/spu.md (hbr): Change s constraints to i.
2640 2007-02-21 Paul Brook <paul@codesourcery.com>
2642 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
2643 condexec_count when skipping USE and CLOBBER.
2645 2007-02-21 Nick Clifton <nickc@redhat.com>
2647 * common.opt (Warray-bounds): Add Warning attribute.
2648 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
2650 (fsized-zeroes): Add Optimization attribute.
2651 (fsplit-wide-types, ftree-scev-cprop): Likewise.
2652 * c.opt (Wc++0x-compat): Add Warning attribute.
2654 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
2657 * reload1.c (eliminate_regs_in_insn): In the single_set special
2658 case, attempt to re-recognize the insn before falling back to
2659 having reload fix it up.
2661 2007-02-20 Eric Christopher <echristo@gmail.com>
2663 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
2664 Rewrite accordingly.
2665 (frv_read_iacc_argument): Ditto.
2666 (frv_expand_set_builtin): Take a call instead of arglist, update for
2668 (frv_expand_unop_builtin): Ditto.
2669 (frv_expand_binop_builtin): Ditto.
2670 (frv_expand_cut_builtin): Ditto.
2671 (frv_expand_binopimm_builtin): Ditto.
2672 (frv_expand_voidbinop_builtin): Ditto.
2673 (frv_expand_int_void2arg): Ditto.
2674 (frv_expand_prefetches): Ditto.
2675 (frv_expand_voidtriop_builtin): Ditto.
2676 (frv_expand_voidaccop_builtin): Ditto.
2677 (frv_expand_load_builtin): Ditto.
2678 (frv_expand_store_builtin): Ditto.
2679 (frv_expand_mdpackh_builtin): Ditto.
2680 (frv_expand_mclracc_builtin): Ditto.
2681 (frv_expand_mrdacc_builtin): Ditto.
2682 (frv_expand_mwtacc_builtin): Ditto.
2683 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
2686 2007-02-20 Janis Johnson <janis187@us.ibm.com>
2688 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
2689 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
2691 (HAVE_GAS_DFP): Check for assembler support of decimal floating
2693 * configure: Regenerate.
2694 * config.in: Regenerate.
2695 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
2696 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
2697 masks to power6 and power6x and to POWERPC_MASKS.
2698 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2700 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
2701 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
2702 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2703 Access PROTOTYPE as variable, not mask.
2705 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
2707 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
2708 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
2709 * combine.c (adjust_for_new_dest): Use it.
2710 * postreload.c (reload_combine): Likewise.
2712 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
2714 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
2715 notes on an insn with multiple sets, even if single_set returns
2716 non-NULL for that insn.
2718 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2720 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
2723 2007-02-20 Geoffrey Keating <geoffk@apple.com>
2725 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
2726 if user didn't pass it.
2727 * config/i386/darwin.h (CC1_SPEC): Likewise.
2728 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
2729 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
2730 -mmacosx-version-min.
2732 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2733 Uros Bizjak <ubizjak@gmail.com>
2735 * optabs.h (enum optab_index): Add new OTI_scalb.
2736 (scalb_optab): Define corresponding macro.
2737 * optabs.c (init_optabs): Initialize scalb_optab.
2738 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
2740 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
2741 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
2742 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
2743 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
2744 flag_unsafe_math_optimizations is set.
2746 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
2747 to implement scalbf, scalb and scalbl built-ins as inline x87
2750 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2751 DJ Delorie <dj@redhat.com>
2754 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
2755 (diagnostic_report_diagnostic): ... here, and turn them into real
2756 errors. If warnings are inhibited, no need to do anything.
2758 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
2760 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
2761 better code generation.
2763 2007-02-20 Ben Elliston <bje@au.ibm.com>
2765 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
2767 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
2769 * config/alpha/alpha.c, config/alpha/alpha.md,
2770 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
2771 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
2772 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
2773 config/arm/lib1funcs.asm: Follow spelling conventions.
2775 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
2776 config/fr30/fr30.md, config/i386/i386.h,
2777 config/iq2000/iq2000.h, config/iq2000/predicates.md,
2778 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
2779 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
2780 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
2781 config/rs6000/altivec.md, config/rs6000/rs6000.c,
2782 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
2783 config/sparc/sparc.c, config/sparc/sparc.h,
2784 config/sparc/sparc.md, config/spu/constraints.md,
2785 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
2788 2007-02-20 Alan Modra <amodra@bigpond.net.au>
2791 * varasm.c (use_blocks_for_decl_p): Return false for decls with
2794 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
2796 * doc/invoke.texi (-ftree-lrs): Remove.
2798 2007-02-19 Diego Novillo <dnovillo@redhat.com>
2800 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
2803 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
2805 * config/ia64/ia64.c (ia64_expand_builtin): Use the
2806 new CALL_EXPR_FN macro for retrieving the function
2807 declaration of the input expression.
2809 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2811 * c.opt (Waddress): New.
2812 * common.opt (Walways-true): Delete.
2813 (Wstring-literal-comparison): Delete.
2814 * doc/invoke.texi (Warning Options): Delete -Walways-true and
2815 -Wstring-literal-comparison. Add -Waddress.
2817 (Walways-true): Delete.
2818 (Wstring-literal-comparison): Delete.
2819 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
2820 consistently instead of -Walways-true in example.
2821 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
2822 * c-typeck.c (parser_build_binary_op): Replace
2823 -Wstring-literal-comparison and -Walways-true with -Waddress.
2824 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
2827 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
2829 * tree-cfg.c (dump_function_to_file): Be prepared for functions
2830 without DECL_STRUCT_FUNCTION initialized.
2832 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
2834 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
2835 due to calls to functions taking pointers as parameters.
2837 2007-02-19 Richard Henderson <rth@redhat.com>
2840 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
2843 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
2845 * config/s390/s390.c (s390_call_saved_register_used,
2846 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
2847 accessed to the new scheme.
2849 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2851 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
2852 (cris_print_index, cris_print_operand, cris_print_operand_address)
2853 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
2854 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
2855 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
2857 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
2858 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
2859 GO_IF_LEGITIMATE_ADDRESS): Ditto.
2860 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
2861 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
2862 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
2863 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
2864 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
2865 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
2866 (uminsi3, call, call_value): Ditto.
2867 (define_split: indir_to_reg_split, unnamed): Ditto.
2869 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
2871 PR tree-optimization/30975
2872 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
2875 2007-02-18 Eric Christopher <echristo@gmail.com>
2877 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
2878 Remove use of arglist.
2879 (mips_expand_builtin): Remove use of arglist, pass in expr.
2880 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
2881 (mips_expand_builtin_movtf): Ditto.
2882 (mips_expand_builtin_compare): Ditto.
2884 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
2886 * tree-sra.c (sra_build_assignment): Replace assertion
2887 checking with a comment explaining why it can't be done.
2889 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
2892 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
2893 during CALL_EXPR representation conversion.
2894 * tree-ssa-propagate.c (set_rhs): Likewise.
2896 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
2898 * tree-sra.c (sra_build_assignment): Disable assertion checking
2901 2007-02-18 Roger Sayle <roger@eyesopen.com>
2903 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
2904 instead of calling build2 with a GIMPLE_MODIFY_STMT.
2905 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
2907 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
2908 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
2909 gimplify_init_ctor_eval_range, gimple_push_cleanup,
2910 gimplify_omp_for, gimplify_omp_atomic_pipeline,
2911 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
2912 force_gimple_operand): Likewise.
2913 * ipa-cp.c (constant_val_insert): Likewise.
2914 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2915 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
2916 perfect_nestify): Likewise.
2917 * langhooks.c (lhd_omp_assignment): Likewise.
2918 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
2919 lower_copyprivate_clauses, lower_send_clauses,
2920 lower_send_shared_vars, expand_parallel_call,
2921 expand_omp_for_generic, expand_omp_for_static_nochunk,
2922 expand_omp_for_static_chunk, expand_omp_sections,
2923 lower_omp_single_copy, lower_omp_for_lastprivate,
2924 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
2925 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
2926 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
2929 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
2931 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
2932 config/sh/sh.md: Follow spelling conventions.
2934 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
2935 config/frv/predicates.md: Follow spelling conventions.
2937 * config/m68k/linux-unwind.h: Fix a comment typo.
2938 * target.h: Follow spelling conventions.
2940 2007-02-18 Roger Sayle <roger@eyesopen.com>
2942 PR rtl-optimization/28173
2943 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
2944 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
2945 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
2946 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
2947 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
2949 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2951 * builtins.c (fold_builtin_load_exponent): New.
2952 (fold_builtin_2): Use it.
2954 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
2956 PR rtl-optimization/30773
2957 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
2958 if we fail to attach a REG_EQUIV note.
2960 2007-02-18 David Edelsohn <edelsohn@gnu.org>
2961 Roger Sayle <roger@eyesopen.com>
2963 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
2965 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
2967 * calls.c (initialize_argument_information): Pass original EXP
2968 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
2969 code to split complex arguments here, as part of initializing the
2971 (expand_call): Remove code that builds a list of arguments and
2972 inserts implicit arguments into it. Instead, just count how many
2973 implicit arguments there will be so we can determine the size of
2974 the ARGS array, and let initialize_argument_information do the work.
2975 (split_complex_values): Delete unused function.
2977 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
2979 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
2981 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
2983 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
2984 for arg pointer based indexed addressing.
2986 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
2988 * config/ia64/ia64.h, config/ia64/ia64.md,
2989 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
2990 spelling conventions.
2992 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
2994 * config/m68k/m68k.c (split_di): New.
2995 * config/m68k/m68k-protos.h: Declare split_di.
2996 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
2997 Improve predicate handling and split constant shifts.
2999 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
3001 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
3002 parameter for register bitfield operations, general predicates
3005 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
3007 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
3008 * config/m68k/linux-unwind.h: New file.
3010 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
3012 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
3013 config/i386/athlon.md, config/ia64/ia64.md,
3014 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
3015 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
3016 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
3017 tree-ssa-loop-niter.c, tree-vect-analyze.c,
3018 tree-vect-transform.c: Fix comment typos.
3020 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
3022 * sched-deps.c (find_insn_list): Remove.
3023 * sched-int.h: Remove the prototype for find_insn_list.
3025 2007-02-16 Geoffrey Keating <geoffk@apple.com>
3027 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
3029 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
3030 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
3031 darwin_rs6000_override_options.
3032 (C_COMMON_OVERRIDE_OPTIONS): Expect
3033 darwin_macosx_version_min to be non-NULL always.
3034 (TARGET_C99_FUNCTIONS): Likewise.
3035 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
3036 (DARWIN_MINVERSION_SPEC): New.
3037 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
3038 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
3040 (DARWIN_MINVERSION_SPEC): New.
3041 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
3043 * config/darwin-c.c (darwin_cpp_builtins): Expect
3044 darwin_macosx_version_min to be non-NULL always.
3046 * config/rs6000/rs6000.c: Clean up trailing whitespace.
3048 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
3050 * config/i386/i386.h (x86_use_xchgb): New.
3051 (TARGET_USE_XCHGB): New macro.
3052 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
3053 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
3054 Split after reload into bswaphi for shifts of 8.
3055 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
3056 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
3057 or when optimizing for size.
3059 2007-02-16 Richard Guenther <rguenther@suse.de>
3060 Christian Bruel <christian.bruel@st.com>
3062 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
3063 DECLs but prefer SSA_NAMEs over DECLs.
3065 2007-02-16 Richard Guenther <rguenther@suse.de>
3067 * tree-flow-inline.h (single_imm_use_p): Remove.
3068 (zero_imm_uses_p): Likewise.
3069 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
3070 instead of single_imm_use_p.
3071 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
3074 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3077 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
3078 nested double- and backquotes.
3080 2007-02-15 Roger Sayle <roger@eyesopen.com>
3083 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
3084 should be unreachable.
3085 (build2_stat): Allow construction of MODIFY_EXPR at any time.
3086 For the time being redirect GIMPLE_MODIFY_STMT to the new
3087 (renamed) build_gimple_modify_stmt_stat.
3088 (build2_gimple_stat): Rename to...
3089 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
3090 Always build a GIMPLE_MODIFY_STMT node.
3091 * tree.h (build2_gimple, build2_gimple_stat): Delete.
3092 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
3095 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
3096 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
3097 * tree-complex.c (set_component_ssa_name, expand_complex_move,
3098 expand_complex_div_wide): Likewise.
3099 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
3100 * tree-ssa-loop-im.c (schedule_sm): Likewise.
3101 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
3102 * tree-ssa-loop-manip.c (create_iv): Likewise.
3103 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
3104 abs_replacement): Likewise.
3105 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
3106 realify_fake_stores): Likewise.
3108 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
3109 node rather than a GIMPLE_MODIFY_STMT node.
3110 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
3111 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
3113 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
3114 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
3117 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
3120 * fold-const.c (fold_comparison): Add back the
3121 folding of constant complex comparisions.
3123 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
3126 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
3127 effects unknown to this function, return early.
3129 2007-02-15 Ian Lance Taylor <iant@google.com>
3131 * lower-subreg.c (move_eh_region_note): New static function.
3132 (resolve_simple_move): Call it.
3133 (decompose_multiword_subregs): Track blocks for which we resolve a
3134 simple move which is also a control flow insn. Pass them to
3135 find_many_sub_basic_blocks.
3136 (pass_lower_subreg): Add TODO_verify_flow.
3137 (pass_lower_subreg2): Likewise.
3139 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3140 Brooks Moses <brooks.moses@codesourcery.com>
3141 Lee Millward <lee.millward@codesourcery.com>
3143 * tree.h (enum tree_code_class): Add tcc_vl_exp.
3144 (VL_EXP_CLASS_P): New.
3145 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
3147 (TREE_OPERAND_CHECK_CODE): Likewise.
3148 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
3149 (TREE_RTL_OPERAND_CHECK): Likewise.
3150 (tree_operand_check_failed): Make second parameter the whole tree
3151 instead of its code. Fixed callers.
3152 (VL_EXP_CHECK): New.
3153 (TREE_OPERAND_LENGTH): New.
3154 (VL_EXP_OPERAND_LENGTH): New.
3155 (CALL_EXPR_FN): New.
3156 (CALL_EXPR_STATIC_CHAIN): New.
3157 (CALL_EXPR_ARGS): New.
3158 (CALL_EXPR_ARG): New.
3159 (call_expr_nargs): New.
3160 (CALL_EXPR_ARGP): New.
3161 (build_nt_call_list): Declare.
3162 (build_vl_exp_stat): Declare.
3163 (build_vl_exp): New.
3164 (build_call_list): Declare.
3165 (build_call_nary): Declare.
3166 (build_call_valist): Declare.
3167 (build_call_array): Declare.
3168 (call_expr_arg): Declare.
3169 (call_expr_argp): Declare.
3170 (call_expr_arglist): Declare.
3171 (fold_build_call_list): Declare.
3172 (fold_build_call_list_initializer): Declare.
3173 (fold_call_expr): Declare to replace fold_builtin.
3174 (fold_builtin_fputs): Update to agree with modified definition.
3175 (fold_builtin_strcpy): Likewise.
3176 (fold_builtin_strncpy): Likewise.
3177 (fold_builtin_memory_chk): Likewise.
3178 (fold_builtin_stxcpy_chk): Likewise.
3179 (fold_builtin_strncpy_chk): Likewise.
3180 (fold_builtin_next_arg): Likewise.
3181 (fold_build_call_expr): Declare.
3182 (fold_builtin_call_list): Declare.
3183 (fold_builtin_call_valist): Declare.
3184 (build_call_expr): Declare.
3185 (validate_arglist): Update to agree with modified definition.
3186 (tree_operand_length): New.
3187 (call_expr_arg_iterator): New.
3188 (init_call_expr_arg_iterator): New.
3189 (next_call_expr_arg): New.
3190 (first_call_expr_arg): New.
3191 (more_call_expr_args_p): New.
3192 (FOR_EACH_CALL_EXPR_ARG): New.
3194 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
3195 and tcc_gimple_stmt.
3196 (tree_code_size): Update documentation. Use sizeof (tree) rather
3197 than sizeof (char *).
3198 (tree_size): Likewise. Add case for tcc_vl_exp.
3199 (tree_node_structure): Add case for tcc_vl_exp.
3200 (contains_placeholder_p): Likewise.
3201 (substitute_in_expr): Likewise.
3202 (substitute_placeholder_in_expr): Likewise.
3203 (stabilize_reference_1): Likewise.
3204 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
3205 to diagnose breakage of this interface for constructing CALL_EXPRs.
3206 (build_nt): Add similar assertion here.
3207 (build_nt_call_list): New.
3208 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
3209 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
3211 (get_callee_fndecl): Use new CALL_EXPR accessors.
3212 (tree_operand_check_failed): Change parameters to pass entire node
3213 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
3214 (process_call_operands): New.
3215 (build_vl_exp_stat): New.
3216 (build_call_list): New.
3217 (build_call_nary): New.
3218 (build_call_valist): New.
3219 (build_call_array): New.
3220 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3221 (call_expr_arglist): New.
3223 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
3224 tcc_vl_exp instead of a fixed-size tcc_expression.
3226 * doc/c-tree.texi (CALL_EXPR): Document new representation and
3227 accessors for CALL_EXPRs.
3228 (AGGR_INIT_EXPR): Likewise.
3230 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3231 Brooks Moses <brooks.moses@codesourcery.com>
3232 Lee Millward <lee.millward@codesourcery.com>
3234 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
3235 (expand_builtin_nonlocal_goto): Change parameter to be entire
3236 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
3237 (expand_builtin_prefetch): Likewise.
3238 (expand_builtin_classify_type): Likewise.
3239 (mathfn_built_in): Return NULL_TREE instead of 0.
3240 (expand_errno_check): Use new CALL_EXPR accessors.
3241 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
3242 Return NULL_RTX instead of 0.
3243 (expand_builtin_mathfn_2): Likewise.
3244 (expand_builtin_mathfn_3): Likewise.
3245 (expand_builtin_interclass_mathfn): Likewise.
3246 (expand_builtin_sincos): Likewise.
3247 (expand_builtin_cexpi): Likewise.
3248 (expand_builtin_int_roundingfn): Likewise.
3249 (expand_builtin_int_roundingfn_2): Likewise.
3250 (expand_builtin_pow): Likewise.
3251 (expand_builtin_powi): Likewise.
3252 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
3253 of arglist, fixing callers appropriately. Use new CALL_EXPR
3254 accessors and constructors. Return NULL_RTX instead of 0.
3255 (expand_builtin_strstr): Likewise.
3256 (expand_builtin_strchr): Likewise.
3257 (expand_builtin_strrchr): Likewise.
3258 (expand_builtin_strpbrk): Likewise.
3259 (expand_builtin_memcpy): Likewise.
3260 (expand_builtin_mempcpy): Likewise.
3261 (expand_builtin_mempcpy_args): New.
3262 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
3263 (expand_builtin_memmove_args): New.
3264 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
3265 (expand_movstr): Likewise.
3266 (expand_builtin_strcpy): Likewise.
3267 (expand_builtin_strcpy_args): New.
3268 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
3269 (expand_builtin_strncpy): Likewise.
3270 (expand_builtin_memset): Likewise.
3271 (expand_builtin_memset_args): New.
3272 (expand_builtin_bzero): Similarly to expand_builtin_memset.
3273 (expand_builtin_memcmp): Likewise.
3274 (expand_builtin_strcmp): Likewise.
3275 (expand_builtin_strncmp): Likewise.
3276 (expand_builtin_strcat): Likewise.
3277 (expand_builtin_strncat): Likewise.
3278 (expand_builtin_strspn): Likewise.
3279 (expand_builtin_strcspn): Likewise.
3280 (expand_builtin_args_info): Likewise.
3281 (expand_builtin_va_start): Likewise.
3282 (gimplify_va_arg_expr): Likewise.
3283 (expand_builtin_va_end): Likewise.
3284 (expand_builtin_va_copy): Likewise.
3285 (expand_builtin_frame_address): Likewise.
3286 (expand_builtin_alloca): Likewise.
3287 (expand_builtin_bswap): Likewise.
3288 (expand_builtin_unop): Likewise.
3289 (expand_builtin_fputs): Likewise.
3290 (expand_builtin_expect): Likewise.
3291 (expand_builtin_fabs): Likewise.
3292 (expand_builtin_copysign): Likewise.
3293 (expand_builtin_printf): Likewise.
3294 (expand_builtin_fprintf): Likewise.
3295 (expand_builtin_sprintf): Likewise.
3296 (expand_builtin_init_trampoline): Likewise.
3297 (expand_builtin_signbit): Likewise.
3298 (expand_builtin_fork_or_exec): Likewise.
3299 (expand_builtin_sync_operation): Likewise.
3300 (expand_builtin_compare_and_swap): Likewise.
3301 (expand_builtin_lock_test_and_set): Likewise.
3302 (expand_builtin_lock_release): Likewise.
3303 (expand_builtin): Likewise.
3304 (builtin_mathfn_code): Likewise.
3306 (fold_builtin_constant_p): Pass call arguments individually instead
3307 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
3308 accessors and constructors. Return NULL_TREE instead of 0.
3309 (fold_builtin_expect): Likewise.
3310 (fold_builtin_classify_type): Likewise.
3311 (fold_builtin_strlen): Likewise.
3312 (fold_builtin_nan): Likewise.
3313 (integer_valued_real_p): Likewise.
3314 (fold_trunc_transparent_mathfn): Likewise.
3315 (fold_fixed_mathfn): Likewise.
3316 (fold_builtin_cabs): Likewise.
3317 (fold_builtin_sqrt): Likewise.
3318 (fold_builtin_cbrt): Likewise.
3319 (fold_builtin_cos): Likewise.
3320 (fold_builtin_cosh): Likewise.
3321 (fold_builtin_tan): Likewise.
3322 (fold_builtin_sincos): Likewise.
3323 (fold_builtin_cexp): Likewise.
3324 (fold_builtin_trunc): Likewise.
3325 (fold_builtin_floor): Likewise.
3326 (fold_builtin_ceil): Likewise.
3327 (fold_builtin_round): Likewise.
3328 (fold_builtin_int_roundingfn): Likewise.
3329 (fold_builtin_bitop): Likewise.
3330 (fold_builtin_bswap): Likewise.
3331 (fold_builtin_logarithm): Likewise.
3332 (fold_builtin_hypot): Likewise.
3333 (fold_builtin_pow): Likewise.
3334 (fold_builtin_powi): Likewise.
3335 (fold_builtin_exponent): Likewise.
3336 (fold_builtin_memset): Likewise.
3337 (fold_builtin_bzero): Likewise.
3338 (fold_builtin_memory_op): Likewise.
3339 (fold_builtin_bcopy): Deleted; call site changed to invoke
3340 fold_builtin_memory_op directly.
3341 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
3342 (fold_builtin_strncpy): Likewise.
3343 (fold_builtin_memcmp): Likewise.
3344 (fold_builtin_strcmp): Likewise.
3345 (fold_builtin_strncmp): Likewise.
3346 (fold_builtin_signbit): Likewise.
3347 (fold_builtin_copysign): Likewise.
3348 (fold_builtin_isascii): Likewise.
3349 (fold_builtin_toascii): Likewise.
3350 (fold_builtin_isdigit): Likewise.
3351 (fold_builtin_fabs): Likewise.
3352 (fold_builtin_abs): Likewise.
3353 (fold_builtin_fmin_fmax): Likewise.
3354 (fold_builtin_carg): Likewise.
3355 (fold_builtin_classify): Likewise.
3356 (fold_builtin_unordered_cmp): Likewise.
3358 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
3359 New functions split out from fold_builtin_1.
3360 (fold_builtin_n): New.
3361 (fold_builtin_varargs): New.
3362 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
3364 (fold_call_expr): New.
3365 (build_function_call_expr): Rewrite to use new helper function.
3366 (fold_builtin_call_list): New.
3367 (build_call_expr): New.
3368 (fold_builtin_call_valist): New.
3369 (rewrite_call_expr): New.
3370 (validate_arg): New.
3371 (validate_arglist): Change parameter to be entire CALL_EXPR instead
3372 of an arglist. Change return type to bool. Use new CALL_EXPR
3375 (fold_builtin_strstr): Pass call arguments individually instead
3376 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
3377 accessors and constructors. Return NULL_TREE instead of 0.
3378 (fold_builtin_strchr): Likewise.
3379 (fold_builtin_strrchr): Likewise.
3380 (fold_builtin_strpbrk): Likewise.
3381 (fold_builtin_strcat): Likewise.
3382 (fold_builtin_strncat): Likewise.
3383 (fold_builtin_strspn): Likewise.
3384 (fold_builtin_strcspn): Likewise.
3385 (fold_builtin_fputs): Likewise.
3386 (fold_builtin_next_arg): Likewise.
3387 (fold_builtin_sprintf): Likewise.
3389 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
3390 NULL_RTX instead of 0.
3391 (expand_builtin_memory_chk): Likewise.
3392 (maybe_emit_chk_warning): Likewise.
3393 (maybe_emit_sprintf_chk_warning): Likewise.
3395 (fold_builtin_object_size): Pass call arguments individually instead
3396 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
3397 accessors and constructors. Return NULL_TREE instead of 0.
3398 (fold_builtin_memory_chk): Likewise.
3399 (fold_builtin_stxcpy_chk): Likewise.
3400 (fold_builtin_strncpy_chk): Likewise.
3401 (fold_builtin_strcat_chk): Likewise.
3402 (fold_builtin_strcat_chk): Likewise.
3403 (fold_builtin_strncat_chk): Likewise.
3404 (fold_builtin_sprintf_chk): Likewise.
3405 (fold_builtin_snprintf_chk): Likewise.
3406 (fold_builtin_printf): Likewise.
3407 (fold_builtin_vprintf): Likewise.
3409 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
3411 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
3412 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3413 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
3414 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
3415 (fold_unary): Likewise.
3416 (fold_binary): Likewise.
3417 (fold_ternary): Remove CALL_EXPR case, since they are no longer
3418 ternary expressions.
3419 (fold): Add logic for tcc_vl_exp.
3420 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
3421 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3422 (fold_build3_stat): Add assertion to flag broken interface for
3423 constructing CALL_EXPRs.
3424 (fold_build_call_list): New.
3425 (fold_build_call_list_initializer): New.
3426 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
3428 (fold_strip_sign_ops): Likewise.
3430 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3431 Brooks Moses <brooks.moses@codesourcery.com>
3432 Lee Millward <lee.millward@codesourcery.com>
3434 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
3435 accessors and dump arguments explicitly.
3437 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
3439 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
3441 (print_call_name): Use new CALL_EXPR accessors.
3443 * print-tree.c (print_node): Add case tcc_vl_exp. Print
3444 CALL_EXPR arguments explicitly instead of as a list. Use
3445 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3447 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
3448 (vrp_visit_stmt): Likewise.
3450 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
3451 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
3453 (force_move_till_expr): Likewise.
3455 * targhooks.c (default_external_stack_protect_fail): Use
3456 build_call_expr instead of build_function_call_expr.
3457 (default_hidden_stack_protect_fail): Likewise.
3459 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
3462 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
3463 and walk arguments explicitly.
3465 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
3466 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3467 (expand_simple_operations): Likewise.
3468 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
3470 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
3471 of TREE_CODE_LENGTH.
3472 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
3474 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
3475 instead of TREE_CODE_LENGTH.
3477 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
3478 (tree_ic_transform): Likewise.
3479 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
3480 parameter instead of arglist. Fix callers.
3481 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
3482 (tree_stringops_transform): Likewise.
3483 (tree_indirect_call_to_profile): Likewise.
3484 (tree_stringops_values_to_profile): Likewise.
3486 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
3487 (eliminate_tail_call): Likewise.
3489 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
3491 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
3492 Use TREE_OPERAND_LENGTH and generalize to handle any number of
3494 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
3496 * omp-low.c (build_omp_barrier): Use build_call_expr.
3497 (lower_rec_input_clauses): Likewise.
3498 (lower_reduction_clauses): Likewise.
3499 (expand_parallel_call): Likewise.
3500 (maybe_catch_exception): Likewise.
3501 (expand_omp_for_generic): Likewise.
3502 (expand_omp_for_static_nochunk): Likewise.
3503 (expand_omp_sections): Likewise.
3504 (lower_omp_single_simple): Likewise.
3505 (lower_omp_single_copy): Likewise.
3506 (lower_omp_master): Likewise.
3507 (lower_omp_ordered): Likewise.
3508 (lower_omp_critical): Likewise.
3510 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
3511 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
3513 * tree-gimple.c (is_gimple_call_addr): Fix doc.
3514 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
3515 TREE_CODE_LENGTH. Add tcc_vl_exp case.
3517 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
3518 and generalize to handle any number of operands.
3519 (chrec_contains_undetermined): Likewise.
3520 (tree_contains_chrecs): Likewise.
3521 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
3523 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
3525 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
3526 fold_call_expr instead of fold_builtin.
3527 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
3528 match declarations there.
3529 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
3532 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
3533 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3535 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
3536 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
3538 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
3541 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
3542 (execute_cse_sincos): Use new CALL_EXPR accessors.
3544 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
3546 * gimple-low.c (lower_function_body): Use build_call_expr.
3547 (lower_builtin_setjmp): Likewise.
3549 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
3550 (set_storage_via_libcall): Likewise.
3551 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
3552 instead of TREE_CODE_LENGTH.
3553 (expand_expr_real_1): Use new CALL_EXPR accessors.
3555 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
3556 generalize to handle any number of operands.
3557 (TB_parent_eq): Likewise.
3559 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
3560 (strip_builtin_expect): Likewise.
3562 * function.c (gimplify_parameters): Use build_call_expr.
3564 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
3565 instead of TREE_CODE_LENGTH.
3567 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
3568 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
3570 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
3573 * gimplify.c (build_stack_save_restore): Use build_call_expr.
3574 (gimplify_decl_expr): Likewise.
3575 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
3576 Use new CALL_EXPR iterators.
3577 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
3578 (gimplify_modify_expr_to_memset): Likewise.
3579 (gimplify_variable_sized_compare): Likewise.
3580 (gimplify_omp_atomic_fetch_op): Likewise.
3581 (gimplify_omp_atomic_pipeline): Likewise.
3582 (gimplify_omp_atomic_mutex): Likewise.
3583 (gimplify_function_tree): Likewise.
3585 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
3586 (call_expr_flags): Likewise.
3587 (expand_call): Likewise.
3589 * except.c (expand_builtin_eh_return_data_regno): Pass entire
3590 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
3593 * coverage.c (create_coverage): Use build_call_expr.
3595 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
3596 (temp_call_expr_obstack): New.
3597 (pool_copy_list): Delete.
3598 (temp_copy_call_expr): New.
3599 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
3600 CALL_EXPR accessors. Get rid of special goo for copying argument
3601 lists and use temp_copy_call_expr instead.
3602 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
3603 CALL_EXPR accessors.
3604 (create_expression_by_pieces): Likewise. Use build_call_array
3605 to construct the result instead of fold_build3.
3606 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
3607 dealing with argument lists.
3608 (init_pre): Remove references to expression_node_pool and
3609 list_node_pool. Init temp_call_expr_obstack instead.
3610 (fini_pre): Remove references to expression_node_pool and
3613 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
3614 and walk arguments explicitly instead of as a list.
3616 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
3617 (mx_register_decls): Likewise.
3618 (mudflap_register_call): Likewise.
3619 (mudflap_finish_file): Likewise.
3621 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
3622 (ipa_callsite_compute_param): Likewise.
3624 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
3625 accessors and constructor.
3627 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
3628 accessors and constructor.
3629 (convert_tramp_reference): Likewise.
3630 (convert_call_expr): Likewise.
3631 (finalize_nesting_tree_1): Likewise.
3633 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
3636 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
3638 * tree-inline.c (initialize_inlined_parameters): Pass entire
3639 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
3641 (estimate_num_insns_1): Use new CALL_EXPR accessors.
3642 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
3644 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
3645 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3646 (vectorizable_reduction): Likewise.
3647 (vectorizable_call): Use new CALL_EXPR iterators.
3648 (vectorizable_conversion): Use build_call_expr.
3649 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
3650 (vect_gen_widened_results_half): Use build_call_expr.
3651 (vect_setup_realignment): Likewise.
3652 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
3654 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
3655 (pass_through_call): Likewise.
3656 (compute_object_sizes): Likewise. Use fold_call_expr instead of
3659 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
3660 (tree_gen_pow2_profiler): Likewise.
3661 (tree_gen_one_value_profiler): Likewise.
3662 (tree_gen_ic_func_profiler): Likewise.
3663 (tree_gen_average_profiler): Likewise.
3664 (tree_gen_ior_profiler): Likewise.
3666 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
3667 (find_func_aliases): Use new CALL_EXPR accessors. Add case
3668 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3670 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
3671 of TREE_CODE_LENGTH.
3673 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
3674 of TREE_CODE_LENGTH.
3676 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
3678 (convert_to_integer): Likewise.
3680 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
3683 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3684 Brooks Moses <brooks.moses@codesourcery.com>
3685 Lee Millward <lee.millward@codesourcery.com>
3687 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
3689 * config/frv/frv.c (frv_expand_builtin): Likewise.
3690 * config/s390/s390.c (s390_expand_builtin): Likewise.
3692 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
3693 (sparc_expand_builtin): Use new CALL_EXPR accessors.
3695 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
3696 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
3697 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
3698 (ix86_expand_store_builtin): Likewise.
3699 (ix86_expand_unop_builtin): Likewise.
3700 (ix86_expand_unop1_builtin): Likewise.
3701 (ix86_expand_sse_compare): Likewise.
3702 (ix86_expand_sse_comi): Likewise.
3703 (ix86_expand_vec_init_builtin): Likewise.
3704 (ix86_expand_vec_ext_builtin): Likewise.
3705 (ix86_expand_vec_set_builtin): Likewise.
3706 (ix86_expand_builtin): Use new CALL_EXPR accessors.
3708 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
3709 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
3711 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
3712 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
3713 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
3715 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
3717 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
3718 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
3719 arglist. Use new CALL_EXPR accessors. Fix callers.
3720 (altivec_expand_abs_builtin): Likewise.
3721 (rs6000_expand_binop_builtin): Likewise.
3722 (altivec_expand_predicate_builtin): Likewise.
3723 (altivec_expand_lv_builtin): Likewise.
3724 (spe_expand_stv_builtin): Likewise.
3725 (altivec_expand_stv_builtin): Likewise.
3726 (rs6000_expand_ternop_builtin): Likewise.
3727 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
3728 (altivec_expand_st_builtin): Likewise.
3729 (altivec_expand_dst_builtin): Likewise.
3730 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
3731 arglist. Use new CALL_EXPR accessors. Fix callers.
3732 (altivec_expand_vec_set_builtin): Likewise.
3733 (altivec_expand_vec_ext_builtin): Likewise.
3734 (altivec_expand_builtin): Use new CALL_EXPR accessors.
3735 (spe_expand_builtin): Likewise.
3736 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
3737 arglist. Use new CALL_EXPR accessors. Fix callers.
3738 (spe_expand_evsel_builtin): Likewise.
3739 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
3740 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
3742 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
3743 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
3744 (arm_expand_unop_builtin): Likewise.
3745 (arm_expand_builtin): Use new CALL_EXPR accessors.
3747 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
3750 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
3751 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
3752 (bfin_expand_unop_builtin): Likewise.
3753 (bfin_expand_builtin): Use new CALL_EXPR accessors.
3755 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
3756 Brooks Moses <brooks.moses@codesourcery.com>
3757 Lee Millward <lee.millward@codesourcery.com>
3759 * c-semantics.c (build_stmt): Add internal diagnostic check.
3761 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
3762 accessors. Print arguments explicitly instead of as a list.
3764 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
3766 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
3767 (c_finish_omp_flish): Likewise.
3769 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
3770 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
3771 instead of TREE_CODE_LENGTH.
3772 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
3773 (c_warn_unused_result): Likewise.
3775 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3778 * doc/invoke.texi (Warning Options): Remove
3779 -Werror-implicit-function-declaration.
3780 (Wimplicit-function-declaration): Update description.
3781 * opts.c (common_handle_option): Move handling of -Werror=* to...
3782 (enable_warning_as_error): ...here.
3783 * opts.h (enable_warning_as_error): Declare.
3784 * c-decl.c (implicit_decl_warning): Unless
3785 -Wno-implicit-function-declaration is given, emit a pedwarn if
3786 -std=c99 or emit a warning if -Wimplicit-function-declaration.
3787 * c.opt (Wimplicit-function-declaration): Replace
3788 mesg_implicit_function_declaration with
3789 warn_implicit_function_declaration.
3790 * c-opts.c (c_common_handle_option):
3791 -Werror-implicit-function-declaration is exactly equal as
3792 -Werror=implicit-function-declaration.
3793 (set_Wimplicit): Replace mesg_implicit_function_declaration with
3794 warn_implicit_function_declaration.
3795 (c_common_post_options): -Wimplict-function-declaration is enabled
3796 by default by -std=c99, otherwise is disabled by default.
3797 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
3799 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
3801 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
3802 DECL on the rhs to a DECL on the lhs for debug info purposes if the
3803 former is ignored but not the latter.
3805 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
3807 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
3808 is made and the reference doesn't use the alias set of its type,
3809 do not create the temporary using that type.
3811 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
3813 * jump.c: Remove prototypes for delete_computation and
3814 delete_prior_computation.
3816 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
3818 * jump.c (get_label_after): Delete.
3819 (get_label_before, delete_computation, delete_jump,
3820 delete_prior_computation, follow_jumps): Move...
3821 * reorg.c (delete_computation, delete_prior_computation): ... here...
3822 (get_label_before, delete_jump): ... making these static ...
3823 (follow_jumps): ... and simplifying this since it only runs after
3825 * rtl.h (get_label_after, get_label_before, delete_jump,
3826 follow_jumps): Delete prototypes.
3828 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
3830 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
3832 2007-02-15 Nick Clifton <nickc@redhat.com>
3834 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
3835 order to prevent it from being munged by the target.
3837 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
3839 * config/i386/i386.md: Remove misleading comment.
3841 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3843 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
3844 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
3847 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3849 * tree-sra.c (instantiate_missing_elements): Canonicalize
3851 (sra_build_assignment): New.
3852 (generate_copy_inout, generate_element_copy,
3853 generate_element_zero, generate_one_element_init): Use it.
3855 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3857 * tree-sra.c (instantiate_missing_elements): Canonicalize
3859 (sra_build_assignment): New.
3860 (generate_copy_inout, generate_element_copy,
3861 generate_element_zero, generate_one_element_init): Use it.
3863 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
3865 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
3868 2007-02-14 Joseph Myers <joseph@codesourcery.com>
3870 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
3871 types as aggregates not scalars.
3872 * function.c (assign_stack_temp_for_type): Likewise.
3874 2007-02-14 Roger Sayle <roger@eyesopen.com>
3875 Zdenek Dvorak <dvorakz@suse.cz>
3877 * tree-dump.c (dump_switch_p_1): Require exact match of the option
3880 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3882 * passes.c (next_pass_1): Clear the next field of the copied
3885 2007-02-14 Richard Henderson <rth@redhat.com>
3887 * tree-sra.c (early_sra): New.
3888 (decl_can_be_decomposed_p): Deny va_list if early_sra.
3889 (tree_sra_early, pass_sra_early): New.
3890 * tree-pass.h (pass_sra_early): Declare.
3891 * passes.c (init_optimization_passes): Use it.
3893 2007-02-14 Richard Guenther <rguenther@suse.de>
3895 * flags.h (issue_strict_overflow_warning): Convert to a macro.
3897 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
3899 PR tree-optimization/30771
3900 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
3902 (vect_analyze_operations): Induction phis can now be marked as
3904 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
3905 Update documentation accordingly.
3907 2007-02-14 Nick Clifton <nickc@redhat.com>
3909 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
3910 most 3 arguments are supported.
3911 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
3913 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
3915 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
3916 Ensure dst->current is valid.
3918 2007-02-13 Paul Brook <paul@codesourcery.com>
3920 * config.gcc: Add arm*-*-uclinux-*eabi.
3921 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
3922 (SUBTARGET_EXTRA_LINK_SPEC): Define.
3923 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
3924 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
3925 (LINK_SPEC): Define.
3927 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
3929 * config/arm/uclinux-eabi.h: New file.
3930 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
3931 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
3934 2007-02-13 Ian Lance Taylor <iant@google.com>
3936 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
3937 * flags.h (warn_strict_overflow): Declare.
3938 (enum warn_strict_overflow_code): Define.
3939 (issue_strict_overflow_warning): New static inline function.
3940 * opts.c (warn_strict_overflow): New variable.
3941 (common_handle_option): Handle OPT_Wstrict_overflow and
3942 OPT_Wstrict_overflow_.
3943 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
3945 * fold-const.c: Include intl.h.
3946 (fold_deferring_overflow_warnings): New static variable.
3947 (fold_deferred_overflow_warning): New static variable.
3948 (fold_deferred_overflow_code): New static variable.
3949 (fold_defer_overflow_warnings): New function.
3950 (fold_undefer_overflow_warnings): New function.
3951 (fold_undefer_and_ignore_overflow_warnings): New function.
3952 (fold_deferring_overflow_warnings_p): New function.
3953 (fold_overflow_warning): New static function.
3954 (make_range): Add strict_overflow_p parameter. Change all
3956 (extract_muldiv, extract_muldiv_1): Likewise.
3957 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
3958 tree_expr_nonnegative_p.
3959 (fold_negate_expr): Call fold_overflow_warning.
3960 (fold_range_test): Likewise.
3961 (fold_comparison): Likewise.
3962 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
3963 instead of tree_expr_nonnegative_p.
3964 (tree_expr_nonnegative_warnv_p): Rename from
3965 tree_expr_nonnegative_p, add strict_overflow_p parameter.
3966 (tree_expr_nonnegative_p): New function.
3967 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
3968 strict_overflow_p parameter.
3969 (tree_expr_nonzero_p): New function.
3970 * passes.c (verify_interpass_invariants): New static function.
3971 (execute_one_pass): Call it.
3972 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
3974 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
3975 (estimate_numbers_of_iterations): Likewise.
3976 (scev_probably_wraps_p): Likewise.
3977 * tree-ssa-ccp.c: Include "toplev.h".
3978 (evaluate_stmt): Defer fold overflow warnings until we know we are
3980 (struct fold_stmt_r_data): Add stmt field.
3981 (fold_stmt_r): Defer fold overflow warnings until we know we
3983 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
3984 (fold_stmt_inplace): Likewise.
3985 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
3986 (cleanup_control_expr_graph): Defer fold overflow warnings until
3987 we know we are going to optimize.
3988 * tree-cfg.c (fold_cond_expr_cond): Likewise.
3989 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
3991 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
3992 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
3993 * tree-ssa-loop-manip.c (create_iv): Likewise.
3994 * c-typeck.c (build_conditional_expr): Likewise.
3995 (build_binary_op): Likewise.
3996 * tree-vrp.c (vrp_expr_computes_nonzero): Call
3997 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
3998 (extract_range_from_unary_expr): Likewise.
3999 * simplify-rtx.c (simplify_const_relational_operation): Warn when
4000 assuming that signed overflow does not occur.
4001 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
4002 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
4003 (fold_defer_overflow_warnings): Declare.
4004 (fold_undefer_overflow_warnings): Declare.
4005 (fold_undefer_and_ignore_overflow_warnings): Declare.
4006 (fold_deferring_overflow_warnings_p): Declare.
4007 (tree_expr_nonzero_warnv_p): Declare.
4008 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
4010 (Warning Options): Document -Wstrict-overflow.
4011 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
4012 (tree-ssa-ccp.o): Likewise.
4013 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
4014 (fold-const.o): Depend on intl.h.
4016 2007-02-13 Ian Lance Taylor <iant@google.com>
4019 * lower-subreg.c (resolve_simple_move): Decompose subregs in
4022 2007-02-13 Stuart Hastings <stuart@apple.com>
4024 * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
4026 2007-02-13 Richard Henderson <rth@redhat.com>
4028 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
4029 handled_component_p before looking for the indirect_ref.
4031 2007-02-13 Richard Henderson <rth@redhat.com>
4033 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
4034 remove flags clobber.
4035 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
4036 (bswaphi_lowpart): New.
4037 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
4038 remove TARGET_BSWAP test. Delete expander of the same name.
4040 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
4041 (expand_unop): Use them.
4043 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
4045 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
4046 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
4047 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
4048 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
4049 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
4050 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
4051 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
4052 assembler dialect choice from asm templates.
4054 2007-02-12 Richard Henderson <rth@redhat.com>
4056 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
4057 (fixuns_trunc<SSEMODEF>si2): Use it.
4058 * config/i386/sse.md (vec_setv4sf_0): Export.
4059 * config/i386/i386.c (ix86_build_const_vector): Export.
4060 (ix86_split_convert_uns_si_sse): Rename from
4061 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
4062 * config/i386/i386-protos.h: Update.
4064 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4067 * c-typeck.c (c_finish_return): Improve warning message.
4069 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4071 * alias.c (find_symbolic_term): Delete unused function.
4073 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
4075 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
4076 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
4077 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
4079 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
4081 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
4082 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
4083 the function, temporarily point the debug interface to the null one.
4085 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
4087 * dwarf2out.c (round_up_to_align): New static function.
4088 (field_byte_offset): Use it to round the offset.
4090 2007-02-12 Richard Henderson <rth@redhat.com>
4092 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
4093 (inswl_const): Export.
4095 2007-02-12 Richard Henderson <rth@redhat.com>
4097 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
4098 result mode of the libcall, convert back to outmode.
4100 2007-02-12 Roger Sayle <roger@eyesopen.com>
4102 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
4103 (bswapdi2): New define_expand to implement 32-bit implementation.
4105 2007-02-12 Nick Clifton <nickc@redhat.com>
4107 * doc/invoke.texi (Overall Options): Document --help=.
4108 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
4109 (cc1_options): Pass --help= on to cc1.
4110 (display_help): Add description of --help=.
4111 (process_command): Add code to handle --help=. Allow translated
4112 --help and --target-help switches to be passed on to compiler
4114 (main): Remove unused if statement.
4115 * opts.c (columns): Remove.
4116 (LEFT_COLUMN): Define.
4117 (wrap_help): Add columns argument.
4118 (print_filtered_help): Change parameters to be an include bitmask,
4119 an exclude bitmask, an any bitmask and the column width. Move the
4120 code to display the params list here. Add code to display the
4121 status of options rather than their descriptions if the quiet flag
4123 (print_specific_help): Change parameters to be an include bitmask,
4124 an exclude bitmask and an any bitmask. Move code to look up the
4125 column width here. Decide upon the title for an options listing.
4126 (common_handle_options): Add code to handle --help=. Adapt code
4127 for --help and --target-help to use the revised form of the
4128 print_specific_help function.
4129 (print_help): Delete.
4130 (print_param_help): Delete.
4131 (print_switch): Delete.
4132 * opts.h (cl_lang_count): Add prototype.
4133 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
4134 CL_MAX_OPTION_CLASS): New defines.
4135 * optc-gen.awk: Add construction of cl_lang_count.
4136 * c.opt: Add Warning attribute to warning options and Optimization
4137 attribute to optimization options.
4138 * common.opt: Likewise.
4140 Add -fhelp and -ftarget-help as aliases for the transformed --help
4141 and --target-help options.
4142 * opt-functions.awk: Add code to handle Warning and Optimization
4145 2007-02-12 Richard Henderson <rth@redhat.com>
4147 * config/alpha/constraints.md: New file.
4148 * config/alpha/alpha.c: Include tm-constrs.h.
4149 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
4150 alpha_extra_constraint): Remove.
4151 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
4152 * config/alpha/alpha-protos.h: Update.
4153 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
4154 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
4155 (EXTRA_CONSTRAINT): Remove.
4156 * config/alpha/alpha.md: Include constraints.md.
4157 (adddi splitter): Use satisfies_constraint_*.
4158 * config/alpha/predicates.md (add_operand): Likewise.
4159 (sext_add_operand, addition_operation): Likewise.
4161 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
4163 PR tree-optimization/29145
4164 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
4165 in our handling of restrict qualified pointers.
4167 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4170 * doc/invoke.texi (Wunused-value): Update description.
4171 (Wextra): Delete item.
4172 * opts.c (set_Wextra): Don't use the value of Wextra to set the
4173 value of Wunused-value.
4174 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
4175 (c_finish_stmt_expr): Don't check extra_warnings.
4176 (emit_side_effect_warnings): The caller is responsible to check
4179 2007-02-11 Roger Sayle <roger@eyesopen.com>
4180 Matt Thomas <matt@3am-software.com>
4182 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
4184 2007-02-11 Roger Sayle <roger@eyesopen.com>
4186 * simplify-rtx.c (simplify_relational_operation_1): Optimize
4187 comparisons of POPCOUNT against zero.
4188 (simplify_const_relational_operation): Likewise.
4190 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4192 * doc/invoke.texi (Wextra): Delete outdated paragraph.
4194 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4196 * dwarf2out.c (root_type): Delete unused function.
4198 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4200 * genattrtab.c (contained_in_p): Delete unused function.
4201 (write_expr_attr_cache): Likewise.
4203 2007-02-11 Jan Hubicka <jh@suse.cz>
4205 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
4208 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
4210 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
4211 to add the REG_EQ* note.
4212 * see.c (see_merge_one_use_extension): Likewise.
4213 * local-alloc.c (update_equiv_regs): Likewise. Also don't
4214 turn REG_EQUAL notes into REG_EQUIV notes if the target
4215 register may have more than one set.
4216 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
4217 * gcse.c (try_replace_reg): Likewise.
4218 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
4219 * calls.c (fixup_tail_calls): Likewise. Abort if there is
4220 more than one REG_EQUIV note.
4221 * reload1.c (gen_reload): Use set_unique_reg_note.
4223 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
4225 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
4226 (ix86_builtin_conversion): New function.
4228 2007-02-06 Mark Mitchell <mark@codesourcery.com>
4231 * tree.h (DECL_REPLACEABLE_P): New macro.
4232 * except.c (set_nothrow_function_flags): Likewise.
4234 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
4235 Ira Rosen <irar@il.ibm.com>
4236 Dorit Nuzman <dorit@il.ibm.com>
4238 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
4239 * targhooks.c (default_builtin_vectorized_conversion): New.
4240 * targhooks.h (default_builtin_vectorized_function): New declaration.
4241 * target.h (struct vectorize): Add builtin_conversion field.
4242 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
4243 stmt_vec_info_type value.
4244 (vectorizable_conversion): New declaration.
4245 * tree-vect-analyze.c (vect_analyze_operations): Add
4246 vectorizable_conversion call.
4247 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
4248 * tree-vect-transform.c (vectorizable_conversion): New function.
4249 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
4250 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4252 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
4253 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
4254 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
4255 or ALTIVEC_BUILTIN_VCFSX.
4257 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4260 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
4261 CONST_DOUBLE and operand 0 is a hard register.
4262 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
4263 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
4264 is a hard floating-point register.
4266 2007-02-10 Richard Henderson <rth@redhat.com>
4267 Jakub Jelinek <jakub@redhat.com>
4268 Alexandre Oliva <aoliva@redhat.com>
4270 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
4271 * builtin-types.def (BT_WORD): Make unsigned.
4272 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4273 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4274 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4275 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4276 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4277 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4279 * expr.c (emutls_var_address): New.
4280 (expand_expr_real_1): Expand emulated tls.
4281 (expand_expr_addr_expr_1): Likewise.
4282 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4283 * output.h (emutls_finish): Declare.
4284 * toplev.c (compile_file): Call it.
4285 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4286 address before wrapping in CONST.
4287 * varasm.c (emutls_htab, emutls_object_type): New.
4288 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4289 (get_emutls_object_name, get_emutls_object_type): New.
4290 (get_emutls_init_templ_addr, emutls_decl): New.
4291 (emutls_common_1, emutls_finish): New.
4292 (assemble_variable): When emulating tls, swap decls; generate
4293 constructor for the emutls objects.
4294 (do_assemble_alias): When emulating tls, swap decl and target name.
4295 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4297 * varpool.c (decide_is_variable_needed): Look at force_output.
4298 Recurse for emulated tls.
4299 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
4300 with decide_is_variable_needed.
4301 * emutls.c: New file.
4302 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4303 tls_object for real tls.
4305 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
4307 PR rtl-optimization/29599
4308 * reload1.c (eliminate_regs_in_insn): Take the destination
4309 mode into account when computing the offset.
4311 2007-02-09 Stuart Hastings <stuart@apple.com>
4312 Richard Henderson <rth@redhat.com>
4314 * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
4315 * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
4316 * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
4317 fixuns_truncdfhi2): New.
4318 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
4319 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
4320 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
4321 (floatunssidf2): Allow nonimmediate source.
4322 * gcc/config/i386/sse.md (movdi_to_sse): New.
4323 (vec_concatv2di): Drop '*'.
4324 * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
4325 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
4326 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
4328 * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
4329 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
4330 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
4331 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
4332 (ix86_build_signbit_mask): Fix decl of v, refactor to call
4333 ix86_build_const_vector.
4334 (x86_emit_floatuns): Rewrite.
4336 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4338 * genautomata.c (longest_path_length): Delete unused function.
4339 (struct state): Delete unused longest_path_length.
4340 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
4341 (get_free_state): Delete unused.
4343 2007-02-09 Jan Hubicka <jh@suse.cz>
4345 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
4346 * doc/invoke.texi (inline-unit-growth): Update default value.
4348 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
4349 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
4350 (rebuild_cgraph_edges): Likewise.
4351 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
4352 (dump_cgraph_node): Dump frequencies.
4353 (cgraph_clone_edge): Add frequency scales.
4354 (cgraph_clone_node): Add freuqnecy.
4355 * cgraph.h (cgraph_edge): Add freuqnecy argument.
4356 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
4357 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
4358 * tree-pass.h (TODO_rebuild_frequencies): New constant.
4359 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
4360 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
4361 (save_inline_function_body): Likewise.
4362 * ipa-inline.c: inluce rtl.h
4363 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
4364 (cgraph_edge_badness): Use frequencies.
4365 (cgraph_decide_recursive_inlining): Update clonning.
4366 (cgraph_decide_inlining_of_small_function): Dump frequency.
4367 * predict.c (estimate_bb_frequencies): Export.
4368 * predict.h (estimate_bb_frequencies): Declare.
4369 * tree-inline.c (copy_bb): Watch overflows.
4370 (expand_call_inline): Update call of cgraph_create_edge.
4371 (optimize_inline_calls): Use TODO flags to update frequnecies.
4372 * passes.h: Include predict.h
4373 (init_optimization_passes): Move profile ahead.
4374 (execute_function_todo): Handle TODO_rebuild_frequencies.
4376 2007-02-09 Roger Sayle <roger@eyesopen.com>
4378 * config/alpha/alpha.c (emit_insxl): Force the first operand of
4379 the insbl or inswl pattern into a register.
4381 2007-02-09 Roger Sayle <roger@eyesopen.com>
4383 * config/ia64/ia64.md (bswapdi2): New define_insn.
4385 2007-02-09 Richard Henderson <rth@redhat.com>
4387 * config/i386/constraints.md (Ym): New constraint.
4388 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
4389 (movdi_1_rex64): Split sse and xmm general register moves from
4390 memory move alternatives. Use conditional register constraints.
4391 (movsf_1, movdf_integer): Likewise.
4392 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4393 (movdf_integer_rex64): New.
4394 (pushsf_rex64): Fix output constraints.
4395 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
4396 (sse2_stored): Likewise.
4397 (sse2_storeq_rex64): New.
4398 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
4399 amd and not generic.
4400 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
4401 for optimize_size. Remove SF/DFmode hack.
4403 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
4405 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
4408 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
4409 Richard Sandiford <richard@codesourcery.com>
4411 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
4412 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
4413 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
4414 m68k/t-mlib to tmake_file.
4415 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
4416 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
4417 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
4418 Allow it to be cf or m68k. Set m68k_arch_family. If that
4419 variable is not empty, add t-$m68k_arch_family to tmake_file.
4420 Add t-mlibs to tmake_file.
4421 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
4422 * config/m68k/t-cf: New file.
4423 * config/m68k/t-m68k: Likewise.
4424 * config/m68k/t-mlibs: Likewise.
4425 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4426 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4427 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
4428 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4429 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
4431 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
4432 (INSTALL_LIBGCC): Delete.
4433 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
4434 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4435 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4436 (M68K_MLIB_CPU): Define.
4437 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4438 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4439 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
4441 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4442 Richard Guenther <rguenther@suse.de>
4445 * fold-const.c (fold_comparison): Handle obfuscated comparisons
4446 against INT_MIN/INT_MAX.
4447 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
4448 file if a loop is removed.
4450 2007-02-09 Joseph Myers <joseph@codesourcery.com>
4452 * calls.c (store_one_arg): Pass correct alignment to
4453 emit_push_insn for non-BLKmode values.
4454 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
4455 unaligned stack slot via a suitably aligned slot.
4457 2007-02-08 DJ Delorie <dj@redhat.com>
4459 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
4461 (legal_subregs): Use unsigned char, make const.
4462 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
4464 2007-02-08 Paul Brook <paul@codesourcery.com>
4466 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
4467 special interworking needed.
4469 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
4471 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
4472 conditional to __SSE2__.
4473 (Entries below should have been added to first ChangeLog
4474 entry for amdfam10 dated 2007-02-05)
4475 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
4477 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
4479 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
4482 2007-02-08 DJ Delorie <dj@redhat.com>
4484 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
4485 * config/m32c/m32c.c (legal_subregs): New.
4486 (m32c_illegal_subreg_p): New.
4487 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
4488 unsupported subregs of hard regs.
4490 2007-02-08 Jan Hubicka <jh@suse.cz>
4492 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
4493 the same one; always update histograms.
4495 2007-02-08 Diego Novillo <dnovillo@redhat.com>
4497 * passes.c (init_optimization_passes): Tidy comment.
4499 2007-02-08 Roger Sayle <roger@eyesopen.com>
4501 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
4502 strip zero_extend, bswap and rotates from POCOUNT's argument.
4503 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
4504 zero_extend and rotates from PARITY's argument.
4505 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
4506 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
4507 of an integer constant at compile-time.
4509 2007-02-08 Diego Novillo <dnovillo@redhat.com>
4512 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
4514 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
4517 * tree-ssa-live.c (remove_unused_locals): Do not remove
4518 TREE_ADDRESSABLE variables.
4519 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
4520 * tree-ssa-operands.c (add_virtual_operand): Remove argument
4521 FOR_CLOBBER. Update all users.
4522 If VAR has an associated alias set, add a virtual operand for
4523 it if no alias is found to conflict with the memory reference.
4525 2007-02-07 Jan Hubicka <jh@suse.cz>
4526 Robert Kidd <rkidd@crhc.uiuc.edu>
4528 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
4530 2007-02-07 Ian Lance Taylor <iant@google.com>
4532 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
4534 2007-02-07 Roger Sayle <roger@eyesopen.com>
4536 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
4537 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
4538 tablejumpdi, movsi_to_cr_one): Remove constraints from
4539 define_expand's match_operands.
4541 2007-02-07 Roger Sayle <roger@eyesopen.com>
4543 * global.c (compute_regsets): Move declatation of "i" inside of
4544 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
4546 2007-02-07 Jakub Jelinek <jakub@redhat.com>
4549 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
4550 of INDIRECT_REF <RESULT_DECL>.
4552 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
4554 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
4555 Kaz Kojima <kkojima@gcc.gnu.org>
4558 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
4560 (sh_initialize_trampoline): Add parentheses to avoid a warning.
4562 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4564 * doc/loop.texi: Document possibility not to perform disambiguation
4565 of loops with multiple latches.
4566 * cfgloopmanip.c (alp_enum_p): Removed.
4567 (add_loop): Handle subloops. Use get_loop_body_with_size.
4568 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
4569 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
4570 the new forwarder block.
4571 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
4572 Handle the case latch is NULL.
4573 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
4574 when marking loop exits.
4575 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
4577 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
4578 disambiguate_loops_with_multiple_latches.
4579 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
4580 before fix_loop_structure.
4581 * cfgloop.c: Include pointer-set.h and output.h.
4582 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
4583 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
4584 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
4585 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
4586 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
4587 disambiguate_multiple_latches, get_loop_body_with_size,
4588 disambiguate_loops_with_multiple_latches): New functions.
4589 (flow_loop_dump): Dump multiple latch edges.
4590 (flow_loop_nodes_find): Handle loops with multiple latches.
4591 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
4592 (glb_enum_p): Modified.
4593 (get_loop_body): Use get_loop_body_with_size.
4594 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
4595 (AVOID_CFG_MODIFICATIONS): New constant.
4596 (disambiguate_loops_with_multiple_latches, add_loop,
4597 get_loop_body_with_size): Declare.
4598 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
4600 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
4603 * global.c (compute_regsets): New function.
4604 (global_alloc): Refactored ELIMINABLE_REGSET
4605 and NO_GLOBAL_ALLOC_REGS computation out.
4606 (rest_of_handle_global_alloc): Call compute_regsets()
4607 for non-optimizing case.
4609 2007-02-06 Richard Henderson <rth@redhat.com>
4611 * config/i386/constraints.md (Y2): Rename from Y.
4612 (Yi): New constraint.
4613 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
4614 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
4615 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
4616 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
4617 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
4618 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
4619 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
4620 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
4621 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
4622 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
4623 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
4624 vec_extractv2si_1): Change Y constraints to Y2.
4625 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
4626 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
4627 Change Y constraints to Y2.
4628 (sse2_loadld): Change Y constraints to x.
4630 2007-02-06 Roger Sayle <roger@eyesopen.com>
4632 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
4633 (parity<mode>2): New define_expand using rs6000_emit_parity.
4634 * config/rs6000/rs6000.c (rs6000_emit_popcount,
4635 rs6000_emit_parity): New functions.
4636 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
4637 rs6000_emit_parity): Prototype here.
4639 2007-02-06 Ian Lance Taylor <iant@google.com>
4641 * lower-subreg.c (simple_move_operand): Reject CONST.
4642 (resolve_clobber): Call validate_change rather than directly
4643 assigning to XEXP (pat, 0).
4645 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
4647 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
4648 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
4649 (tree-cfg.o): Remove hashtab.h dependency.
4651 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
4652 (struct ivopts_data): Change niters to pointer_map_t.
4653 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
4654 (niter_for_exit): Create pointer_map on demand. Change for
4656 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
4657 (free_loop_data): Destroy data->niters if created and reset field.
4658 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
4659 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
4661 * tree-ssa-reassoc.c: Include pointer-set.h.
4662 (bb_rank): Change to long *.
4663 (operand_rank): Change to pointer_map_t.
4664 (find_operand_rank): Return long, -1 if not found. Declare as inline.
4665 (insert_operand_rank): Accept long.
4666 (operand_entry_hash, operand_entry_eq): Remove.
4667 (get_rank): Return long. Adjust for changes above.
4668 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
4670 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
4672 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
4673 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
4674 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
4676 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
4677 directly since it cannot be NULL.
4678 (get_vi_for_tree): Rewrite for pointer_map API.
4679 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
4680 (init_alias_vars): Create vi_for_tree as pointer_map.
4681 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
4683 * tree-cfg.c: Don't include hashtab.h.
4684 (edge_to_cases): Declare as pointer_map.
4685 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
4687 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
4688 (start_recording_case_labels): Create edge_to_cases as pointer_map.
4689 (end_recoding_case_labels): Cleanup edge_to_cases manually before
4691 (record_switch_edge): Delete.
4692 (get_cases_for_edge): Adjust for pointer_map API, inline
4693 record_switch_edge (rewritten for new API), remove goto.
4695 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
4697 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
4698 * tree-nested.c: Include pointer-set.h.
4699 (var_map_elt, var_map_eq, var_map_hash): Delete.
4700 (struct nesting_info): Remove GTY marker. Change the two htab_t's
4702 (nesting_info_bitmap_obstack): New.
4703 (lookup_field_for_decl): Adjust for pointer_map API.
4704 (lookup_tramp_for_decl): Adjust for pointer_map API.
4705 (get_nonlocal_debug_decl): Adjust for pointer_map API.
4706 (get_local_debug_decl): Adjust for pointer_map API.
4707 (convert_nl_goto_reference): Adjust for pointer_map API.
4708 (convert_nl_goto_receiver): Adjust for pointer_map API.
4709 (create_nesting_tree): Create outside GGC space. Create bitmap on
4710 the new obstack. Create field_map and var_map as pointer_maps.
4711 (free_nesting_tree): Adjust for changes to create_nesting_tree.
4713 (lower_nested_functions): Move root here, no need to NULL it.
4714 Initialize and release the obstack.
4716 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
4718 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
4719 Remove prototypes and make them non-static.
4720 (struct tree_int_map): Remove.
4721 * tree.h (struct tree_int_map): Move here, turning TO into an
4723 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
4725 * tree.h (TREE_COMPLEXITY): Remove.
4726 (struct tree_exp): Remove complexity field.
4727 * tree.c (build1_stat): Don't set it.
4729 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
4730 Victor Kaplansky <victork@il.ibm.com>
4732 * tree-vectorizer.c (vect_is_simple_use): Support induction.
4733 (vect_is_simple_reduction): Support reduction with induction as
4734 one of the operands.
4735 (vect_is_simple_iv_evolution): Fix formatting.
4736 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
4737 formatting. Don't mark induction phis for vectorization.
4738 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
4739 * tree-vect-transform.c (get_initial_def_for_induction): New function.
4740 (vect_get_vec_def_for_operand): Support induction.
4741 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
4743 (vectorizable_reduction): Support reduction with induction as one of
4745 (vectorizable_type_demotion): Use def-type of stmt argument rather
4746 than dummy def-type.
4748 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
4749 flag_tree_scev_cprop.
4750 * common.opt (tree-scev-cprop): New flag.
4752 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
4753 call to vect_get_new_vect_var.
4755 2007-02-06 Ira Rosen <irar@il.ibm.com>
4757 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
4758 vectype is not NULL.
4759 (vect_pattern_recog_1): Likewise.
4761 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4763 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
4764 (fold_negate_expr): Likewise.
4766 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
4769 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
4770 even if cv-qualification is the same.
4772 2007-02-05 Geoffrey Keating <geoffk@apple.com>
4774 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
4775 __enable_execute_stack on completion.
4777 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4779 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
4780 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
4781 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
4782 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
4783 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
4784 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
4785 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
4786 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
4788 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4790 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
4791 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
4792 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
4793 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
4794 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
4795 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
4796 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
4797 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
4798 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
4799 umuldi3_highpart_rex64, umulsi3_highpart_insn,
4800 umulsi3_highpart_zext, smuldi3_highpart_rex64,
4801 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
4802 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
4803 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
4804 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
4805 sqrtextenddfxf2_i387): Added amdfam10_decode.
4807 * config/i386/athlon.md (athlon_idirect_amdfam10,
4808 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
4809 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
4810 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
4811 athlon_ivector_store_amdfam10): New define_insn_reservation.
4812 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
4815 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4817 * config/i386/athlon.md (athlon_call_amdfam10,
4818 athlon_pop_amdfam10, athlon_lea_amdfam10): New
4819 define_insn_reservation.
4820 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
4821 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
4822 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
4824 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4826 * config/i386/athlon.md (athlon_sseld_amdfam10,
4827 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
4828 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
4830 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4832 * config/i386/athlon.md (athlon_sseins_amdfam10): New
4833 define_insn_reservation.
4834 * config/i386/i386.md (sseins): Added sseins to define_attr type
4835 and define_attr unit.
4836 * config/i386/sse.md: Set type attribute to sseins for insertq
4839 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4841 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
4842 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
4843 ssecomi_load_amdfam10, ssecomi_amdfam10,
4844 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
4845 define_insn_reservation.
4846 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
4848 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4850 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
4851 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
4852 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
4853 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
4854 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
4855 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
4856 define_insn_reservation.
4858 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
4859 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
4860 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
4861 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
4862 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
4864 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4866 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
4867 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
4868 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
4869 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
4870 athlon_ssemul_load_k8): Added amdfam10.
4872 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4874 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
4875 (x86_sse_unaligned_move_optimal): New variable.
4877 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
4879 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
4880 for unaligned vector SSE double/single precision loads for AMDFAM10.
4882 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4884 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
4885 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
4886 Define TARGET_CPU_DEFAULT_amdfam10.
4887 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
4888 (processor_type): Add PROCESSOR_AMDFAM10.
4890 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
4891 processor_type in config/i386/i386.h.
4892 Enable imul peepholes for TARGET_AMDFAM10.
4894 * config.gcc: Add support for --with-cpu option for amdfam10.
4896 * config/i386/i386.c (amdfam10_cost): New variable.
4897 (m_AMDFAM10): New macro.
4898 (m_ATHLON_K8_AMDFAM10): New macro.
4899 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4900 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
4901 x86_promote_QImode, x86_integer_DFmode_moves,
4902 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4903 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
4904 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
4905 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
4906 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
4907 Enable/disable for amdfam10.
4908 (override_options): Add amdfam10_cost to processor_target_table.
4909 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
4910 processor_alias_table.
4911 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
4912 (ix86_adjust_cost): Add code for amdfam10.
4914 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
4916 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
4917 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
4918 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
4919 * config/i386/i386.h: Add builtin definition for SSE4A.
4920 * config/i386/i386.md: Add support for ABM instructions
4922 * config/i386/sse.md: Add support for SSE4A instructions
4923 (movntss, movntsd, extrq, insertq).
4924 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
4925 Add -march=amdfam10 flag.
4926 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
4927 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
4929 * doc/extend.texi: Add documentation for SSE4A builtins.
4931 2007-02-05 Bob Wilson <bob.wilson@acm.org>
4933 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
4935 2007-02-05 Richard Guenther <rguenther@suse.de>
4937 * tree-vectorizer.h (vectorizable_function): Add argument type
4938 argument, change return type.
4939 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
4940 * tree-vect-transform.c (vectorizable_function): Handle extra
4941 argument, return vectorized function decl.
4942 (build_vectorized_function_call): Remove.
4943 (vectorizable_call): Handle calls with result and argument types
4944 differing. Handle loop vectorization factor correctly.
4945 * targhooks.c (default_builtin_vectorized_function): Adjust for
4947 * targhooks.h (default_builtin_vectorized_function): Likewise.
4948 * target.h (builtin_vectorized_function): Add argument type
4950 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
4951 extra argument, allow vectorizing of lrintf.
4952 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
4953 documentation of target hook.
4955 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
4958 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
4959 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
4960 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
4962 2007-02-05 Roger Sayle <roger@eyesopen.com>
4964 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
4965 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
4966 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
4967 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
4968 before canonicalizing sincos to cexpi.
4969 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
4971 2007-02-05 Roger Sayle <roger@eyesopen.com>
4973 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
4974 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
4975 (alpha_init_builtins): Use alpha_add_builtins to process tables.
4977 2007-02-05 Roger Sayle <roger@eyesopen.com>
4979 * mips-tfile.c (initialize_init_file): Correct endianness test.
4981 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
4983 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
4986 2007-02-05 Richard Sandiford <richard@codesourcery.com>
4988 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
4989 saves in a PARALLEL before the register assignments.
4991 2007-02-05 Richard Sandiford <richard@codesourcery.com>
4993 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
4994 DWARF_FRAME_RETURN_COLUMN to be a general register.
4995 * dwarf2out.c (init_return_column_size): New function, split from...
4996 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
4997 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
4998 to be nongeneral registers.
4999 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
5001 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
5002 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
5004 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5006 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
5008 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5010 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
5011 (remove_path): Use can_remove_branch_p and remove_branch instead
5012 of loop_delete_branch_edge.
5013 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
5014 (tree_transform_and_unroll_loop): Remove dead branches immediately.
5015 Update profile using scale_dominated_blocks_in_loop.
5016 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
5017 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
5018 (can_remove_branch_p, remove_branch): Declare.
5019 * tree-cfg.c (tree_can_remove_branch_p): New function.
5020 (tree_cfg_hooks): Add tree_can_remove_branch_p.
5021 * cfgrtl.c (rtl_can_remove_branch_p): New function.
5022 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
5024 2007-02-05 Jan Hubicka <jh@suse.cz>
5027 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
5028 nodes in cgraph, don't remove offline copy of the function.
5030 2007-02-04 Jan Hubicka <jh@suse.cz>
5032 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
5033 vectors might cause maybe_lookup_element_for_expr to be called
5034 on non-sra-candidate.
5036 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
5038 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
5039 config/bfin/bfin.md, config/bfin/predicates.md: Follow
5040 spelling conventions.
5042 2007-02-04 Richard Guenther <rguenther@suse.de>
5045 * fold-const.c (try_move_mult_to_index): Make sure to not
5046 overflow one dimension of a multi-dimensional array access.
5048 2007-02-04 Jan Hubicka <jh@suse.cz>
5050 * passes.c (init_optimization_passes): Reindent.
5052 2007-02-04 Jan Hubicka <jh@suse.cz>
5053 Eric Botcazou <ebotcazou@adacore.com>
5055 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
5056 (execute_fixup_cfg): Break out the abnormal goto code.
5057 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
5058 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
5059 (optimize_inline_calls): Call make_nonlocal_label_edges.
5061 2007-02-04 Jan Hubicka <jh@suse.cz>
5063 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
5064 true when something was changed.
5065 (rename_ssa_copies): When something was changed, do
5066 TODO_remove_unused_locals.
5067 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
5068 add TODO_remove_unused_locals when instruction was removed.
5070 2007-02-04 Jan Hubicka <jh@suse.cz>
5072 * ipa-inline.c (try_inline): Improve debug output; work on already
5074 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
5075 call try_inline for already inlined edges too when flattening;
5076 inline also functions that make callee growth but overall unit size
5079 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
5081 * config/m32c/bitops.md, config/m32c/jump.md,
5082 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
5083 config/m32r/m32r.h, config/m32r/m32r.md,
5084 config/m32r/predicates.md, config/m68hc11/larith.asm,
5085 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
5086 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
5087 config/mips/mips-protos.h, config/mips/mips.c,
5088 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
5089 config/mn10300/mn10300.h, config/mn10300/predicates.md,
5090 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
5091 spelling conventions.
5093 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
5094 Follow spelling conventions.
5096 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
5098 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
5099 warn about C++0x compatibility.
5101 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
5103 * config/h8300/h8300.c, config/h8300/h8300.h,
5104 config/h8300/h8300.md: Follow spelling conventions.
5106 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
5109 * combine.c (try_combine): Do not substitute source operand
5110 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
5112 2007-02-03 Jan Hubicka <jh@suse.cz>
5114 PR gcov-profile/30650
5115 * value-prof.c (stringop_block_profile): Fix handling of size counter;
5116 do not divide by zero for never executed counters.
5117 (tree_find_values_to_profile): Fix counters.
5118 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
5120 2007-02-03 Ian Lance Taylor <iant@google.com>
5122 * lower-subreg.c (simple_move_operand): New static function,
5123 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
5125 (simple_move): Call simple_move_operand.
5126 (find_decomposable_subregs): Add special handling of MEMs.
5127 (can_decompose_p): Rename from cannot_decompose_p. Reverse
5128 meaning of return value. If we see a hard register, test whether
5129 it can store a word_mode value. Change all callers.
5131 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5133 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
5134 ftrapv insns and expanders.
5135 (subdi3): Change define_expand operand 1 to arith11_operand, and
5136 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
5137 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
5138 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
5142 * varasm.c (notice_global_symbol): Treat global objects as weak when
5145 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5147 * emit-rtl.c (dconstpi): Delete.
5149 (init_emit_once): Delete dconstpi and init dconstsqrt2.
5150 * real.h (dconstpi): Delete.
5152 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
5153 (fold_builtin_hypot): Likewise.
5155 2007-02-03 Tom Tromey <tromey@redhat.com>
5158 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
5159 -gcoff3, -gxcoff3, -gvms3 implies -dD.
5161 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
5163 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
5164 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
5165 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
5166 config/rs6000/cell.md, config/rs6000/darwin.h,
5167 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
5168 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
5169 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
5170 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
5171 typos. Follow spelling conventions.
5172 * doc/invoke.texi: Follow spelling conventions.
5174 2007-02-03 Roger Sayle <roger@eyesopen.com>
5176 * simplify-rtx.c (simplify_relational_operation_1): Implement some
5177 canonicalization transformations that attempt to simplify integer
5178 constant comparisons to become comparisons against zero.
5180 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5182 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
5184 * fold-const.c (fold_binary): Fix comment typos. Fold complex
5185 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
5187 2007-02-02 Mike Stump <mrs@apple.com>
5189 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
5190 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
5191 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
5192 generate a branch island.
5194 2007-02-02 Bob Wilson <bob.wilson@acm.org>
5196 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
5197 (xtensa_legitimate_address_p): New.
5198 (xtensa_legitimize_address): New.
5199 (xtensa_output_addr_const_extra): New.
5200 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
5202 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
5203 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
5204 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
5205 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
5206 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
5207 (xtensa_legitimize_address): New.
5208 (xtensa_output_addr_const_extra): New.
5210 2007-02-02 Steve Ellcey <sje@cup.hp.com>
5212 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
5214 2007-02-02 Ian Lance Taylor <iant@google.com>
5216 * expmed.c (expand_divmod): Add comment.
5218 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
5220 * emit-rtl.c (renumber_insns): Remove.
5221 * flags.h: Remove the extern for flag_renumber_insns.
5222 * rtl.h: Remove the prototype for renumber_insns.
5223 * toplev.c (flag_renumber_insns): Remove.
5225 2007-02-02 Hui-May Chang <hm.chang@apple.com>
5227 Revert for x86 darwin:
5228 2005-06-19 Uros Bizjak <uros@kss-loka.si>
5230 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
5231 code before the following patch under TARGET_MACHO.
5232 (ix86_function_value_regno_p): Likewise.
5234 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5236 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
5239 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5242 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
5243 general or fp registers. Add comments.
5244 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
5246 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
5248 * pointer-set.c (insert_aux): Only return insertion slot.
5249 (pointer_set_insert): Adjust.
5250 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
5251 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
5252 pointer_map_traverse): New.
5253 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
5254 pointer_map_create, pointer_map_destroy, pointer_map_insert,
5255 pointer_map_contains, pointer_map_traverse): Declare.
5257 2007-02-02 Jakub Jelinek <jakub@redhat.com>
5260 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
5261 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
5263 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5265 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
5267 (struct _dep): New type.
5268 (dep_t): New typedef.
5269 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
5270 (DEP_STATUS): New access macro. The macro with the same name was
5271 renamed to DEP_LINK_STATUS.
5272 (dep_init): Declare function
5274 (struct _dep_link): New type.
5275 (dep_link_t): New typedef.
5276 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
5277 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
5278 (DEP_LINK_STATUS): New macro.
5279 (debug_dep_links): New debug function.
5281 (struct _deps_list): New type.
5282 (deps_list_t): New typedef.
5283 (DEPS_LIST_FIRST): New access macro.
5284 (FOR_EACH_DEP_LINK): New cycle macro.
5285 (create_deps_list, free_deps_list, delete_deps_list): Declare
5287 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
5288 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
5289 (copy_deps_list_change_con): Ditto.
5291 (move_dep_link): Declare function.
5293 (struct _dep_node): New type.
5294 (dep_node_t): New typedef.
5295 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
5297 (struct haifa_insn_data.back_deps): New field to hold backward
5298 dependencies of the insn.
5299 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
5301 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
5302 Change its type to deps_list_t.
5303 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
5304 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
5305 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
5307 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
5309 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
5311 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
5313 (dep_cost): Declare.
5315 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
5316 (ds_to_dk, dk_to_ds): New functions.
5318 (init_dep_1): New static function.
5319 (init_dep): New function.
5320 (copy_dep): New static function.
5322 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
5324 (detach_dep_link): New static function.
5325 (move_dep_link): New function.
5327 (dep_links_consistent_p, dump_dep_links): New static functions.
5328 (debug_dep_links): New debugging function.
5330 (deps_obstack, dl_obstack, dn_obstack): New static variables.
5332 (alloc_deps_list, init_deps_list): New static functions.
5333 (create_deps_list): New function.
5334 (clear_deps_list): New static function.
5335 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
5336 (deps_list_consistent_p, dump_deps_list): New static functions.
5337 (debug_deps_list): New function.
5338 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
5340 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
5342 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
5343 use new scheduler dependencies lists.
5344 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
5345 (sched_analyze): Ditto. Initialize dependencies lists.
5346 (add_forw_dep, compute_forward_dependences): Update to use new
5347 scheduler dependencies lists.
5349 (init_dependency_caches): Init deps_obstack.
5350 (free_dependency_caches): Free deps_obstack.
5352 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
5353 new scheduler dependencies lists.
5354 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
5355 (add_back_forw_dep, delete_back_forw_dep): Ditto.
5357 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
5358 Update to use new scheduler dependencies lists.
5359 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
5360 (debug_dependencies): Ditto.
5361 (schedule_region): Update comments.
5363 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
5364 scheduler dependencies lists.
5365 (schedule_ebb): Update comments.
5367 * rtl.def (DEPS_LIST): Remove.
5369 * lists.c (unused_deps_list): Remove.
5370 (free_list): Update assertions.
5372 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
5373 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
5375 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
5376 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
5378 * haifa-sched.c (comments): Update.
5379 (insn_cost1): Remove. Inline the code into insn_cost ().
5380 (insn_cost): Update to use new scheduler dependencies lists. Move
5381 processing of the dependency cost to dep_cost ().
5382 (dep_cost): New function. Use it instead of insn_cost () when
5383 evaluating cost of the dependency. Use compatible interface to
5384 interact with the target.
5385 (priority): Update to use new scheduler dependencies lists.
5386 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
5387 with greater number of insns that depend on the insn.
5388 (schedule_insn): Update to use new scheduler dependencies lists. Add
5389 code to free backward dependencies lists. Inline and optimize code
5390 from resolve_dep () - see PR28071.
5391 (ok_for_early_queue_removal): Update to use new scheduler dependencies
5392 lists. Update call to targetm.sched.is_costly_dependence hook.
5394 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
5395 scheduler dependencies lists.
5397 (resolve_dep): Remove. Move the logic to schedule_insn ().
5398 (init_h_i_d): Initialize dependencies lists.
5400 (process_insn_depend_be_in_spec): Rename to
5401 process_insn_forw_deps_be_in_spec. Update to use new scheduler
5403 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
5404 Update to use new scheduler dependencies lists.
5405 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
5407 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
5408 new scheduler dependencies lists.
5409 (build_intra_loop_deps): Ditto.
5411 * target.h (struct _dep): Declare to use in
5412 gcc_target.sched.is_costly_dependence.
5413 (struct gcc_target.sched.adjust_cost): Fix typo.
5414 (struct gcc_target.sched.is_costly_dependence): Change signature to use
5415 single dep_t parameter instead of an equivalent triad.
5416 (struct gcc_target.sched.adjust_cost_2): Remove.
5418 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
5420 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
5422 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
5424 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
5426 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
5427 (REG_DEP_TRUE): Document.
5429 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
5430 Change signature to correspond to the targetm.sched.adjust_cost hook.
5431 Update use in TARGET_SCHED_ADJUST_COST_2.
5432 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
5433 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
5434 new scheduler dependencies lists.
5435 (ia64_gen_check): Ditto.
5437 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
5440 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
5441 signature to correspond to the targetm.sched.is_costly_dependence hook.
5442 (is_costly_group): Update to use new scheduler dependencies lists.
5444 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
5445 instead of INSN_COST () macro.
5447 2007-02-01 Ian Lance Taylor <iant@google.com>
5449 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
5451 2007-02-01 Guy Martin <gmsoft@gentoo.org>
5453 * pa.md (tp_load): Correct mfctl instruction syntax.
5455 2007-02-01 Geoffrey Keating <geoffk@apple.com>
5457 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
5458 altivec_padding_size calculation on AIX. Improve comment, add
5459 assert to verify that it's right.
5461 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
5464 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
5467 * global.c (global_alloc): Add mising initialization of
5470 2007-02-01 Roger Sayle <roger@eyesopen.com>
5472 * alias.c (init_alias_analysis): Correct whitespace.
5473 * bb-reorder.c (fix_edges_for_rarely_executed_code,
5474 partition_hot_cold_basic_blocks): Likewise.
5475 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
5476 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
5477 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
5478 fold_builtin_snprintf_chk, fold_builtin_printf,
5479 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
5480 do_mpfr_arg3, do_mpfr_sincos): Likewise.
5481 * cfgcleanup.c (cleanup_cfg): Likewise.
5482 * cfgexpand.c (tree_expand_cfg): Likewise.
5483 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
5484 * function.c (get_next_funcdef_no): Likewise.
5485 * gengtype.c (main): Likewise.
5486 * genmodes.c (main): Likewise.
5487 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
5488 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
5489 * ifcvt.c (noce_emit_move_insn): Likewise.
5490 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
5492 * stor-layout.c (get_best_mode): Likewise.
5493 * tree-ssa-loop-niter.c (get_val_for): Likewise.
5494 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
5495 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
5496 perform_var_substitution, solve_graph): Likewise.
5497 * tree-vrp.c (vrp_finalize): Likewise.
5499 2007-02-01 Ian Lance Taylor <iant@google.com>
5501 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
5502 high part of a paradoxical subreg, return a constant zero.
5504 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
5506 * toplev.c (lang_dependent_init): Call init_set_costs.
5507 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
5509 2007-02-01 Richard Guenther <rguenther@suse.de>
5512 * fold-const.c (fold_negate_expr): Allow negating a
5513 constant if overflow does not change.
5515 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5517 * doc/c-tree.texi (Expression trees): Improve markup.
5518 * doc/tm.texi (Register Classes, Addressing Modes)
5519 (Floating Point): Fix spacing after abbreviations. Fix some
5522 2007-02-01 Ben Elliston <bje@au.ibm.com>
5524 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
5525 * doc/contrib.texi: Likewise.
5526 * doc/install.texi: Likewise.
5528 2007-01-31 Richard Henderson <rth@redhat.com>
5529 Ian Lance Taylor <iant@google.com>
5531 * lower-subreg.c: New file.
5532 * rtl.def (CONCATN): Define.
5533 * passes.c (init_optimization_passes): Add pass_lower_subreg and
5535 * emit-rtl.c (update_reg_offset): New static function, broken out
5536 of gen_rtx_REG_offset.
5537 (gen_rtx_REG_offset): Call update_reg_offset.
5538 (gen_reg_rtx_offset): New function.
5539 * regclass.c: Revert patch of 2006-03-05, restoring
5541 (clear_reg_info_regno): New function.
5542 * dwarf2out.c (concatn_loc_descriptor): New static function.
5543 (loc_descriptor): Handle CONCATN.
5544 * common.opt (fsplit_wide_types): New option.
5545 * opts.c (decode_options): Set flag_split_wide_types when
5547 * timevar.def (TV_LOWER_SUBREG): Define.
5548 * rtl.h (gen_reg_rtx_offset): Declare.
5549 (reg_scan_update): Declare.
5550 * regs.h (clear_reg_info_regno): Declare.
5551 * tree-pass.h (pass_lower_subreg): Declare.
5552 (pass_lower_subreg2): Declare.
5553 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
5554 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
5556 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
5557 * Makefile.in (OBJS-common): Add lower-subreg.o.
5558 (lower-subreg.o): New target.
5560 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
5562 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
5564 2007-01-31 Anatoly Sokolov <aesok@post.ru>
5567 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
5569 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5572 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
5574 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
5576 * cfgloop.h: Include vec-prim.h.
5577 (enum li_flags): Remove LI_ONLY_OLD.
5578 (loop_iterator): Changed.
5579 (fel_next, fel_init): Iterate over loop tree.
5580 (FOR_EACH_LOOP_BREAK): New macro.
5581 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
5583 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
5584 * modulo-sched.c (sms_schedule): Ditto.
5585 * tree-vectorizer.c (vectorize_loops): Ditto.
5586 * doc/loop.texi: Update information on loop numbering and behavior of
5587 FOR_EACH_LOOP wrto new loops.
5588 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5589 add_to_evolution_1): Test nestedness of loops instead of comparing
5591 * tree-chrec.c (chrec_fold_plus_poly_poly,
5592 chrec_fold_multiply_poly_poly, chrec_evaluate,
5593 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
5594 reset_evolution_in_loop): Ditto.
5595 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
5597 2007-01-31 Dirk Mueller <dmueller@suse.de>
5599 * c-common.c (warn_about_parentheses): Separate warning about
5600 un-parenthized sequence of comparison operators from the one
5601 which is supposed to warn about x <= y <= z.
5603 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
5605 * optabs.h (enum optab_index): Add new OTI_isinf.
5606 (isinf_optab): Define corresponding macro.
5607 * optabs.c (init_optabs): Initialize isinf_optab.
5608 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
5610 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
5611 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
5613 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
5614 expand_builtin_interclass_mathfn.
5615 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
5616 * config/i386/i386.md (UNSPEC_FXAM): New constant.
5617 (fxam<mode>2_i387): New insn pattern.
5618 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
5619 built-in functions as x87 inline asm.
5621 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
5623 * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
5625 2007-01-30 Eric Christopher <echristo@apple.com>
5627 * config.gcc: Add geode.
5629 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
5631 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
5632 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
5633 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
5634 value-prof.c: Fix comment typos.
5636 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5639 * doc/invoke.texi (Wpointer-arith): Document warning.
5641 2007-01-30 Janis Johnson <janis187@us.ibm.com>
5643 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
5644 the list of discrepancies from the draft TR.
5646 2007-01-30 Dirk Mueller <dmueller@suse.de>
5649 * doc/invoke.texi (-Wreturn-type): Update description to
5652 2007-01-30 Richard Sandiford <richard@codesourcery.com>
5654 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
5656 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
5658 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
5659 to handle optabs that operate on floating point input argument and
5660 output to integer output.
5661 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
5662 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
5663 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
5664 expand_builtin_interclass_mathfn ().
5665 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
5667 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
5668 ilogbl built-in functions as x87 intrinsics.
5670 2007-01-30 Richard Guenther <rguenther@suse.de>
5673 * dwarf2out.c (reference_to_unused): Query varpool if the
5674 variable was output.
5676 2007-01-30 Richard Guenther <rguenther@suse.de>
5679 * passes.c (execute_one_pass): Reset in_gimple_form to not
5680 confuse non-unit-at-a-time mode.
5682 2007-01-29 Roger Sayle <roger@eyesopen.com>
5683 Richard Guenther <rguenther@suse.de>
5685 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
5686 avoid undefined behaviour on overflow. Use force_fit_type_double
5687 to construct the constant with the specified TREE_OVERFLOW.
5689 2007-01-29 Janis Johnson <janis187@us.ibm.com>
5691 * config/dfp-bit.c: Add parameterized support for fp exceptions.
5692 * config/dfp-bit.h: Ditto.
5694 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5696 * c-decl.c (pop_scope): Replace warnings with call to
5697 warn_for_unused_label.
5698 * c-common.h (warn_for_unused_label): Declare.
5699 * c-common.c (warn_for_unused_label): Define.
5701 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5703 * tree-optimize.c (update_inlined_to_pointers): Delete unused
5706 2007-01-29 Janis Johnson <janis187@us.ibm.com>
5708 * Makefile.in (USER_H): Remove decfloat.h.
5709 * ginclude/decfloat.h: Delete, moving contents to ...
5710 * ginclude/float.h: Add support for decimal floating point,
5711 guarded by __STDC_WANT_DEC_FP__.
5713 2007-01-29 Mike Stump <mrs@apple.com>
5715 * doc/gccint.texi (Top): Rename Loop Representation to Loop
5716 Analysis and Representation to resolve case insensitive conflict.
5717 * doc/loop.texi (Loop Analysis and Representation): Likewise.
5719 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
5721 * tree.h (struct tree_memory_tag): Add aliases member.
5722 (MTAG_ALIASES): New macro.
5723 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
5724 (add_may_alias): Remove pointer-set. Update for may_aliases being
5726 (mark_aliases_call_clobbered): Update for may_aliases being a
5728 (compute_tag_properties): Ditto.
5729 (create_partition_for): Ditto.
5730 (compute_memory_partitions): Ditto.
5731 (dump_may_aliases_for): Ditto.
5732 (is_aliased_with): Ditto.
5733 (add_may_alias_for_new_tag): Ditto.
5734 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
5735 (compute_is_aliased): New function.
5736 (compute_may_aliases): Call compute_is_aliased).
5737 (init_alias_info): Initialize alias_bitmap_obstack.
5738 (union_alias_set_into): New function.
5739 (compute_flow_sensitive_aliasing): Use union_aliases_into.
5740 (have_common_aliases_p): Rewrite to take two bitmaps and use
5742 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
5744 (finalize_ref_all_pointers): Update for add_may_alias changes.
5745 (new_type_alias): Ditto.
5746 * tree-flow-inline.h (may_aliases): Return a bitmap.
5747 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
5748 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
5749 may_aliases being a bitmap.
5750 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
5751 may_aliases now returns a bitmap.
5752 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
5754 * tree-ssa-operands.c (add_virtual_operand): Update for
5755 may_aliases being a bitmap.
5757 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
5759 PR tree-optimization/30630
5760 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
5761 variable as changed.
5763 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
5766 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
5767 expanded only once even if an error occurs.
5769 2007-01-29 Ben Elliston <bje@au.ibm.com>
5771 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
5772 (__gcov_average_profiler): Likewise.
5773 (__gcov_ior_profiler): Likewise.
5774 (__gcov_merge_ior): Likewise.
5776 2007-01-28 Jan Hubicka <jh@suse.cz>
5778 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
5779 * value-prof.c (stringop_block_profile): Likewise.
5781 2007-01-28 Jan Hubicka <jh@suse.cz>
5783 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
5784 variant handling histograms; add wrapper.
5785 (clear_storage_via_libcall): Export.
5786 (emit_block_move_hints): Break out from ...; add histograms.
5787 (emit_block_move): ... this one.
5788 (clear_storage_hints): Break out from ...; add histograms.
5789 (clear_storage): ... this one.
5790 (set_storage_via_memset): Handle histogram.
5791 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
5792 (clear_storage_hints, clear_storage_via_libcall): Declare.
5793 (set_storage_via_setmem): Update prototype.
5794 * doc/md.texi (movmem, setmem): Document new arguments.
5796 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
5798 (stringop_block_profile): New global function.
5799 (tree_stringops_values_to_profile): Profile block size and alignment.
5800 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
5802 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
5803 (stringop_block_profile): Declare.
5804 * builtins.c: Include value-prof.h.
5805 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
5806 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
5807 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
5808 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
5809 * profile.c (instrument_values): Add new counters.
5810 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
5812 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
5813 (tree_init_edge_profiler): Build new profilers.
5814 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
5815 (pass_tree_profile): Add dump.
5816 (tree_profile_hooks): Update.
5817 * Makefile.in (LIBGCOV): Add new constants.
5818 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
5819 __gcov_ior_profiler): New.
5820 * i386.md (movmem/setmem expanders): Add new optional arguments.
5822 2007-01-28 David Edelsohn <edelsohn@gnu.org>
5824 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
5826 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
5828 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
5829 (tree_unswitch_single_loop): Pass eni_size_weights to
5830 tree_num_loop_insns.
5831 * tree-ssa-loop-manip.c: Include tree-inline.h.
5832 (can_unroll_loop_p): Pass eni_size_weights to
5833 tree_num_loop_insns.
5834 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
5835 Pass eni_size_weights to estimate_num_insns.
5836 * tree.h (init_inline_once): Export.
5837 * toplev.c (backend_init): Call init_inline_once.
5838 * cgraphunit.c (cgraph_process_new_functions,
5839 cgraph_analyze_function): Pass eni_inlining_weights to
5841 * ipa-inline.c (compute_inline_parameters): Ditto.
5842 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
5843 to estimate_num_insns.
5844 (try_unroll_loop_completely): Pass eni_size_weights to
5845 tree_num_loop_insns.
5846 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
5847 ot estimate_num_insns.
5848 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
5849 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
5850 * tree-inline.c (eni_inlining_weights, eni_size_weights,
5851 eni_time_weights): New variables.
5852 (init_inline_once): Initialize them.
5853 (struct eni_data): Mew.
5854 (estimate_num_insns_1, estimate_num_insns): Use weights.
5855 * tree-inline.h (struct eni_weights_d): New.
5856 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
5857 (estimate_num_insns): Declaration changed.
5858 * cfgloop.h (tree_num_loop_insns): Declaration changed.
5859 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
5860 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
5862 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
5864 * tree-data-ref.c (conflict_fn): Assert that the number of affine
5865 relations in the conflict function is valid.
5867 2007-01-27 Ian Lance Taylor <iant@google.com>
5869 * common.opt: Add fstrict-overflow.
5870 * opts.c (decode_options): Set flag_strict_overflow if -O2.
5871 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
5872 (TYPE_OVERFLOW_UNDEFINED): Define.
5873 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
5875 * tree.h (TYPE_TRAP_SIGNED): Don't define.
5876 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
5877 (fold_negate_expr): Likewise.
5878 (make_range): Likewise.
5879 (extract_muldiv_1): Likewise.
5880 (maybe_canonicalize_comparison): Likewise.
5881 (fold_comparison): Likewise.
5882 (fold_binary): Likewise.
5883 (tree_expr_nonnegative_p): Likewise.
5884 (tree_expr_nonzero_p): Likewise.
5885 * tree-vrp.c (compare_values): Likewise.
5886 (extract_range_from_binary_expr): Likewise.
5887 (extract_range_from_unary_expr): Likewise.
5888 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
5890 (nowrap_type_p): Likewise.
5891 * tree-scalar-evolution.c (simple_iv): Likewise.
5892 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
5893 (build_range_check): Likewise.
5894 (extract_muldiv_1): Likewise.
5895 (fold_comparison): Likewise.
5896 * tree-vrp.c (vrp_int_const_binop): Likewise.
5897 (extract_range_from_unary_expr): Likewise.
5898 * convert.c (convert_to_integer): Likewise.
5899 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
5900 (fold_comparison): Likewise.
5901 (fold_binary): Likewise.
5902 * optabs.c (optab_for_tree_code): Likewise.
5903 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
5904 * simplify-rtx.c (simplify_const_relational_operation): Check
5905 flag_strict_overflow and flag_trapv.
5906 (simplify_const_relational_operation): Likewise.
5907 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
5908 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
5911 2007-01-27 Roger Sayle <roger@eyesopen.com>
5913 * tree.c (tree_fold_gcd): Delete.
5914 * tree.h (tree_fold_gcd): Remove prototype.
5915 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
5916 test whether one constant integer is a multiple of another. Instead
5917 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
5918 * fold-const.c (multiple_of_p): We've determined both TOP and
5919 BOTTOM are integer constants so we can call int_const_binop directly
5920 instead of the more generic const_binop.
5922 2007-01-27 Roger Sayle <roger@eyesopen.com>
5924 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
5925 1*X check that the constant hasn't overflowed, to preserve the
5927 (round_up): Provide an efficient implementation when rouding-up an
5928 INTEGER_CST to a power-of-two.
5930 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5932 * doc/sourcebuild.texi: Add comma for clarity.
5933 * doc/extend.texi: Fix some typos.
5934 * doc/passes.texi: Likewise.
5935 * doc/cppinternals.texi: Likewise.
5936 * doc/c-tree.texi: Likewise.
5937 * doc/tree-ssa.texi: Likewise.
5938 * doc/install.texi: Likewise.
5940 2007-01-27 Jan Hubicka <jh@suse.cz>
5942 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
5943 (pass_sra): Do not require alias information.
5944 * passes.c (init_optimization_passes): Add SRA
5946 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
5948 * tracer.c (rest_of_handle_tracer): We already cleaned
5949 up the CFG in tracer() so don't do it here again.
5950 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
5951 cleanup_cfg here, either. And don't call renumber_insns.
5953 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
5954 and BB_HEAD are in the insn stream here. Instead make sure
5955 that BB_INSN is valid on all insns. Also, do check here that
5956 there are no pending branch predictions...
5957 (rtl_verify_flow_info): ...instead of doing it here. Checks
5958 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
5961 2007-01-26 Roger Sayle <roger@eyesopen.com>
5963 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
5964 function to simplify/factorize operand order canonicalization.
5965 (ix86_fixup_binary_operands): Reorganize using the above function.
5966 (ix86_binary_operator_ok): Likewise.
5968 2007-01-27 Jakub Jelinek <jakub@redhat.com>
5970 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
5971 file scope from optimize_attrs.
5972 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
5974 (optimize_attrs): Clear insn_code_values after freeing it.
5976 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
5978 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
5979 a parts.base assignment.
5981 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
5983 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
5984 (compute_subscript_distance, initialize_data_dependence_relation,
5985 finalize_ddr_dependent, analyze_ziv_subscript,
5986 analyze_siv_subscript_cst_affine,
5987 compute_overlap_steps_for_affine_univar,
5988 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
5989 analyze_siv_subscript, analyze_miv_subscript,
5990 analyze_overlapping_iterations, subscript_dependence_tester_1,
5991 compute_self_dependence, free_dependence_relation): Work
5992 with affine_fn instead of chrecs.
5993 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
5994 common_affine_function, affine_function_base,
5995 affine_function_constant_p, affine_fn_op, affine_fn_plus,
5996 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
5997 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
5998 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
5999 (all_chrecs_equal_p): Removed.
6000 * tree-data-ref.h (affine_fn, conflict_function): New types.
6001 (struct subscript): Change type of conflicting_iterations_in_a
6002 and conflicting_iterations_in_b.
6004 2007-01-26 Steve Ellcey <sje@cup.hp.com>
6007 * config/pa/pa.h (TARGET_HPUX_11): New.
6008 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
6009 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
6011 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
6012 Richard Guenther <rguenther@suse.de>
6014 * tree-ssa-structalias.c (solve_graph): Handle case
6015 we merged the variable to another.
6017 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6019 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
6022 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
6023 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
6025 2007-01-25 DJ Delorie <dj@redhat.com>
6027 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
6028 allow changes to modes which don't fit in those registers.
6030 * reload1.c (choose_reload_regs): Check for invalid subregs before
6031 computing their locations, not after.
6033 2007-01-25 Geoffrey Keating <geoffk@apple.com>
6036 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
6037 save Altivec registers in an eh_return function.
6038 (compute_vrsave_mask): Likewise.
6039 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
6040 for saving Altivec registers.
6041 (rs6000_emit_prologue): Don't allocate stack twice in
6042 eh_return function. Correct expected value of altivec_save_offset
6043 when using save_world. Describe save of R0 to stack when using
6044 save_world. Describe stack pointer adjustment when using
6045 save_world. Remove duplicated eh_return parameter register saving.
6046 Update sp_offset variable after save_world.
6047 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
6049 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
6050 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
6053 2007-01-25 Steve Ellcey <sje@cup.hp.com>
6055 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
6057 2007-01-25 Steve Ellcey <sje@cup.hp.com>
6060 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
6061 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
6063 2007-01-25 Richard Guenther <rguenther@suse.de>
6065 * doc/invoke.texi (-Wcoverage-mismatch): Document.
6066 * common.opt (-Wcoverage-mismatch): New warning option.
6067 * coverage.c (get_coverage_counts): Ignore coverage mismatch
6068 if -Wcoverage-mismatch is given.
6070 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
6072 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
6073 (ipcp_driver): Change to static definition.
6074 Add dumping of the ifunctions.
6075 (constant_val_insert): Remove unused parameter. Support for SSA.
6076 (ipcp_propagate_const): Support for SSA.
6077 (ipcp_profile_bb_print): Print only analyzed nodes.
6078 (ipcp_replace_map_create): Remove support for Fortran constant
6080 * ipa-prop.c (ipa_method_modify_stmt,
6081 ipa_callsite_compute_param): Support for SSA.
6082 * ipa-prop.h (ipcp_driver): Remove declaration.
6083 (IS_VALID_TREE_MAP_INDEX): Add define.
6085 2007-01-24 Geoffrey Keating <geoffk@apple.com>
6087 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
6089 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6092 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
6093 constant argument to cabs and do it without checking for
6094 -funsafe-math-optimizations.
6096 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
6098 * c-common.h (RID_FIRST_CXX0X): New.
6099 (RID_LAST_CXX0X): New.
6100 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
6102 * c.opt (Wc++0x-compat): New.
6103 * doc/invoke.texi (-Wc++0x-compat): Document.
6105 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6107 * builtins.c (fold_builtin_carg): New.
6108 (fold_builtin_1): Use it.
6110 2007-01-24 Jan Hubicka <jh@suse.cz>
6112 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
6114 * ipa-inline.c (initial_insns, max_insns): Delete.
6115 (compute_max_insns): New function.
6116 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
6117 of insns as base for code growth.
6118 (cgraph_decide_inlining): Make initial_insns local; do not compute
6120 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
6121 * doc/invoke.texi (inline-unit-growth): Update docs.
6123 2007-01-24 Jakub Jelinek <jakub@redhat.com>
6125 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
6126 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
6127 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
6128 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
6129 for CPUs that have PTA_CX16 set.
6132 * gimplify.c (omp_check_private): New function.
6133 (gimplify_scan_omp_clauses): Use it for
6134 firstprivate/lastprivate/reduction.
6137 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
6138 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
6141 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
6142 If lower_lastprivate_clauses emits some statements, append them
6143 to dlist rather than body_p and to body_p append an initializer.
6144 (lower_omp_for): Adjust caller.
6146 2007-01-24 Steve Ellcey <sje@cup.hp.com>
6148 * target.h (globalize_decl_name): New.
6149 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
6150 * output.h (default_globalize_decl_name): New.
6151 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
6153 (globalize_decl): Ditto.
6154 (default_globalize_decl_name): New.
6155 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
6156 (ia64_handle_version_id_attribute): New.
6157 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
6158 (ia64_asm_output_external): Use globalize_decl_name instead
6160 * doc/extend.texi (version_id): New pragma.
6161 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
6163 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
6165 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
6166 _uleb128_t and _Unwind_SWord with _sleb128_t.
6167 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
6168 uw_frame_state_for, uw_update_context_1): Likewise.
6169 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
6170 * unwind-pe.h (read_uleb128, read_sleb128,
6171 read_encoded_value_with_base): Likewise.
6172 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
6174 2007-01-24 Richard Guenther <rguenther@suse.de>
6176 * builtins.c (expand_builtin_cexpi): Get the fndecl
6177 for cexp in the correct way.
6179 2007-01-24 Jan Hubicka <jh@suse.cz>
6181 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
6183 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
6185 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
6186 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
6187 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
6188 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
6189 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
6190 __SIZEOF_PTRDIFF_T__.
6191 * doc/cpp.texi: Documentation for the new builtin macros added.
6193 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
6195 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
6196 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
6197 instead of operands[2] to avoid access past the end of array.
6199 2007-01-24 Richard Sandiford <richard@codesourcery.com>
6201 * reload1.c (emit_reload_insns): Pass the reload register
6202 for a non-spill output reload through forget_old_reloads_1.
6204 2007-01-23 Joseph Myers <joseph@codesourcery.com>
6206 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6207 _SOFT_DOUBLE if doubles use software floating-point.
6208 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
6209 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6210 * config/rs6000/darwin-ldouble.c: Also compile functions for
6211 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
6212 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6213 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
6214 commented-out long double override.
6215 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
6216 * config/rs6000/eabispe.h: Likewise.
6217 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
6218 long double for non-SPE.
6219 (rs6000_handle_option): Likewise.
6220 (invalid_e500_subreg): Disallow more subregs involding DImode,
6221 DFmode, TImode or TFmode.
6222 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
6224 (legitimate_lo_sum_address_p): Also check for TFmode for E500
6226 (rs6000_legitimize_address): Also handle TFmode for E500 double.
6227 (rs6000_legitimize_reload_address): Also handle TFmode for E500
6229 (rs6000_legitimate_address): Also check for TFmode for E500
6231 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
6232 (spe_build_register_parallel): Handle TFmode and TCmode.
6233 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
6235 (function_arg): Handle TFmode and TCmode for E500 double.
6236 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
6238 (print_operand): Handle TFmode and TImode for %y.
6239 (rs6000_generate_compare): Handle TFmode comparisons for E500
6241 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
6242 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
6243 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
6244 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
6245 TFmode for E500 double.
6246 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
6247 (floatsidf2): Enable for E500 double.
6248 (movtf_softfloat): Use rs6000_nonimmediate_operand.
6249 (extenddftf2): Change to extenddftf2_fprs.
6250 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
6251 depending on TARGET_E500_DOUBLE.
6252 (extendsftf2): Enable for E500 double.
6253 (trunctfdf2): Enable for E500 double.
6254 (trunctfsf2): Change to trunctfsf2_fprs.
6255 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
6256 depending on TARGET_E500_DOUBLE.
6257 (floatsitf2): Enable for E500 double.
6258 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
6259 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
6260 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
6261 (negtf2): Change to negtf2_internal.
6262 (negtf2): New expander.
6263 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
6264 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
6265 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
6266 (movdi_internal32): Use rs6000_nonimmediate_operand.
6267 (unnamed splitter): Likewise.
6268 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
6269 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
6270 (SPE64TF, DITI): New mode macros.
6271 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
6274 (frob_<mode>_di_2): New.
6275 (frob_tf_di_8_2): New.
6276 (frob_di_df): Change to frob_di_<mode>; allow more modes.
6278 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
6280 (frob_ti_<mode>_8_2): New.
6281 (frob_ti_tf_2): New.
6282 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
6283 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
6285 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
6286 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
6287 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
6288 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
6289 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
6290 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
6293 2007-01-23 Ian Lance Taylor <iant@google.com>
6295 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
6297 (OBJS-archive): Reformat, alphabetize.
6298 (OBJS): Change out_object_file to OBJS-md.
6300 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
6302 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
6303 JUMP_P and CALL_P predicates where applicable.
6304 * config/i386/i386.c: Ditto.
6305 * config/i386/i386.md: Ditto.
6306 * config/i386/mmx.md: Ditto.
6307 * config/i386/predicates.md: Ditto.
6309 2007-01-22 Andreas Schwab <schwab@suse.de>
6311 * config/m68k/m68k.h: Fix comment.
6313 2007-01-22 Jan Hubicka <jh@suse.cz>
6315 * passes.c (init_optimization_passes): Do not rerun
6316 pass_early_warn_uninitialized.
6318 2007-01-22 Richard Guenther <rguenther@suse.de>
6320 PR tree-optimization/30038
6321 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
6323 (execute_cse_sincos_1): Likewise.
6324 (execute_cse_sincos): Likewise.
6325 (gate_cse_sincos): Likewise.
6326 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
6327 the cexpi() canonicalization of sincos().
6328 * tree-pass.h (pass_cse_sincos): Declare.
6329 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
6331 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6333 PR rtl-optimization/29329
6334 * combine.c (replaced_rhs_insn): Rename to i2mod.
6335 (replaced_rhs_value): Rename to i2mod_new_rhs.
6336 (i2mod_old_rhs): New global variable.
6337 (combine_instructions): Adjust for above change. Save a copy of
6338 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
6339 note are substituted in the second instruction.
6340 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
6341 ditch the note if it pertains to the second eliminated register
6342 and this register is mentioned in i2mod_old_rhs.
6345 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
6347 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6348 the insn to which the note was originally attached.
6350 2007-01-21 Jan Hubicka <jh@suse.cz>
6352 * ipa-inline.c (inlining_mode): Comment, move up.
6353 (cgraph_decide_inlining_incrementally): Do not perform inlining
6354 itself; fix handling of flattening of self recursive functions.
6355 (cgraph_find_cycles): Remove.
6356 (cgraph_flatten_node): Remove.
6357 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
6358 (try_inline): New function.
6359 (cgraph_early_inlining): Update call of
6360 cgraph_decide_inlining_incrementally. Apply inlining here.
6361 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
6363 2007-01-21 Dirk Mueller <dmueller@suse.de>
6366 * tree-vrp.c (check_array_bounds): do not warn
6367 about ADDR_EXPR's of ARRAY_REF's which are immediately
6368 used in binary expressions.
6370 2007-01-21 Ira Rosen <irar@il.ibm.com>
6372 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
6373 read_write_dep and macros for its access.
6374 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
6375 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
6376 argument, call vect_check_interleaving for every independent pair of
6377 data-refs. Mark loads that access the same memory location as a store
6379 (vect_check_dependences): Remove.
6380 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
6381 call, fix the call to vect_analyze_data_ref_dependence.
6382 (vect_analyze_data_ref_access): For statements that access the same
6383 data-ref, check that they are not stores; for loads, check that there
6384 is no store that access the same location.
6386 2007-01-20 Roger Sayle <roger@eyesopen.com>
6387 Joseph Myers <joseph@codesourcery.com>
6389 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
6390 (-fdump-rtl-stack): Likewise.
6391 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
6392 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
6393 (-mpt-fixed): Use @minus{} for minus sign.
6394 (Using Precompiled Headers): Fix under/overfull hbox.
6396 2007-01-20 Jan Hubicka <jh@suse.cz>
6398 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
6399 place within annotation.
6401 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6403 * pa.c (output_move_double): Change array size of xoperands to 4.
6405 2007-01-20 Jan Hubicka <jh@suse.cz>
6407 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
6410 2007-01-19 Ian Lance Taylor <iant@google.com>
6412 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
6413 constant to unsigned HOST_WIDE_INT before negating.
6415 2007-01-19 Ian Lance Taylor <iant@google.com>
6417 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
6419 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
6420 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
6421 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
6422 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
6423 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
6424 (realloc_vdef, realloc_vuse): Change second parameter to
6426 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
6428 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
6429 unsigned. Change x and lim locals to unsigned.
6430 (realloc_vdef, realloc_vuse): Change num_elem parameter to
6432 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
6433 (copy_virtual_operands): Change i and n locals to unsigned.
6435 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6438 * builtins.c (fold_builtin_1): Handle builtin fdim.
6440 2007-01-20 Jan Hubicka <jh@suse.cz>
6442 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
6443 * tree-ssa-structalias.c (compute_points_to_sets): Do call
6444 init_alias_heapvars.
6445 (init_alias_heapvars): Initialize only when not already initialized.
6446 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
6448 2007-01-19 Roger Sayle <roger@eyesopen.com>
6450 * common.opt (fsigned-zeros): New command line option.
6451 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
6452 of flag_unsafe_math_optimizations.
6453 * opts.c (set_fast_math_flags): The -ffast-math command line option
6454 implies -fno-signed-zeros.
6455 (fast_math_flags_set_p): Likewise.
6457 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
6458 the documentation of -ffast-math appropriately. Wrap long lines.
6460 2007-01-19 Steve Ellcey <sje@cup.hp.com>
6462 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
6463 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
6465 2007-01-19 Tomas Bily <tbily@suse.cz>
6467 * cgraphunit.c (cgraph_finalize_function): Updating of pid
6469 (tree_init_ic_make_global_vars): New function
6470 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
6471 (tree_gen_ic_profiler): New function
6472 (tree_gen_ic_func_profiler): New function
6473 (tree_profiling): Added calling of tree_gen_ic_func_profiler
6474 (tree_profile_hooks): Added hook for indirec/virtual calls
6475 * value-prof.c (tree_find_values_to_profile): New case for
6477 (tree_values_to_profile): Call for determining indirect/virtual
6479 (tree_indirect_call_to_profile): New function
6480 (tree_ic_transform): New function
6481 (tree_ic): New function
6482 (find_func_by_pid): New function
6483 (init_pid_map): New function
6484 (tree_value_profile_transformations): Added check for
6485 indirect/virtual call transformation
6486 * value-prof.h (enum hist_type): New counter type for
6487 indirect/virtual calls
6488 (profile_hooks): Added new hook for profiling indirect/virtual
6490 * profile.c (instrument_values): New case for indirect/virtual
6492 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
6493 (GCOV_COUNTER_V_INDIR): New counter type
6494 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
6495 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
6497 * cgraph.c: Definition of cgraph_max_pid
6498 (cgraph_create_node): Default init of pid attribute
6499 * cgraph.h: Declaration of cgraph_max_pid
6500 (struct cgraph_node): Added pid attribute
6501 * libgcov.c (__gcov_indirect_call_profiler): New function
6502 (__gcov_one_value_profiler_body): New function
6503 (__gcov_one_value_profiler): Body was moved to
6504 __gcov_one_value_profiler_body and calls it
6506 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
6508 * doc/gty.texi (Options): Document the mark_hook option to GTY.
6509 * gengtype.c (write_types_data, write_func_for_structure,
6510 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
6511 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
6512 (walk_type, write_func_for_structure): Generate the mark_hook if
6515 2007-01-19 Jan Hubicka <jh@suse.cz>
6517 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
6518 'early' argument take inlining mode argument specifying whether to
6519 inline for size/speeed or all functions; add support for flattening;
6521 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
6523 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6526 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
6527 the name of the declared identifier.
6529 2007-01-19 Dirk Mueller <dmueller@suse.de>
6531 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
6532 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
6533 duplicate evaluation.
6535 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
6537 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
6538 Macroize expander using X87MODEF12 mode macro. Extend operand 1
6539 to XFMode, use acosxf2 and truncate result to requested mode.
6540 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
6541 (asin<mode>2): Similarly, with asin expanders.
6542 (*fscalexf4_i387): Rename from *fscalexf4.
6543 (expNcorexf3): New expander.
6544 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
6545 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
6546 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
6547 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
6548 patterns for SSE math.
6549 (exp10<mode>2): Similarly, with exp10 expanders.
6550 (exp2<mode>2): Similarly, with exp2 expanders.
6551 (expm1<mode>2): Similarly, with expm1 expanders.
6552 (ldexp<mode>3): Similarly, with ldexp expanders.
6553 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
6554 Use gen_truncxf<mode>2_i387_noop to truncate result.
6556 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6558 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
6559 for ColdFire targets.
6561 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
6562 Richard Sandiford <richard@codesourcery.com>
6564 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
6565 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
6566 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
6567 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
6568 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
6569 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
6571 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6573 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
6574 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
6575 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
6576 (*adddi_dilshr32_cf): New pattern.
6577 (adddi3, subdi3): Remove first alternatives.
6579 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6581 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
6582 implemented using move.l, do not use its cc result for floating-point
6585 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6587 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
6588 from accepting 's' constraints if flag_pic.
6590 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6592 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
6593 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
6594 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
6595 condition from TARGET_68881 to TARGET_HARD_FLOAT.
6597 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
6599 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
6600 ColdFire alternatives.
6601 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
6602 * config/m68k/m68k.md (clzsi2): Define for ColdFire
6603 architectures that support ff1 instruction.
6605 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6606 Julian Brown <julian@codesourcery.com>
6608 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
6609 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
6610 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
6613 2007-01-19 Richard Sandiford <richard@codesourcery.com>
6615 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
6617 (output_move_const_into_data_reg, output_move_simode_const): Delete.
6618 * config/m68k/m68k.c (const_method, const_int_cost): Take a
6619 HOST_WIDE_INT instead of an rtx.
6620 (m68k_rtx_costs): Update call accordingly.
6621 (output_move_const_into_data_reg): Likewise. Fix formatting.
6622 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
6624 (output_move_simode_const): Update calls after above changes.
6625 Rework to use automatic variables and predicates like MEM_P.
6626 * config/m68k/m68k.md (pushexthisi_const): Update call to
6629 2007-01-19 Dirk Mueller <dmueller@suse.de>
6631 * tree-ssa-alias.c (perform_var_substitution): Fix typo
6634 2007-01-19 Richard Guenther <rguenther@suse.de>
6636 * builtins.c (expand_builtin_cexpi): Fall back to expanding
6637 via cexp in case sincos is not available.
6639 2007-01-19 Richard Guenther <rguenther@suse.de>
6641 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
6642 * defaults.h (TARGET_HAS_SINCOS): Default to off.
6643 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
6644 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
6645 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
6646 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
6647 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
6648 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
6650 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
6652 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
6654 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
6655 (atan2xf3): Directly generate RTL pattern.
6656 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
6657 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
6658 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
6659 disable patterns for SSE math.
6660 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
6661 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
6662 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
6663 disable patterns for SSE math.
6665 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
6667 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
6669 2007-01-18 Roger Sayle <roger@eyesopen.com>
6671 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
6672 VIEW_CONVERT_EXPR to the same type as it's operand.
6674 2007-01-18 David Edelsohn <edelsohn@gnu.org>
6676 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
6677 configured for long double 128.
6679 2007-01-18 Mike Stump <mrs@apple.com>
6681 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
6684 2007-01-18 Michael Meissner <michael.meissner@amd.com>
6686 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
6689 2007-01-18 Jan Hubicka <jh@suse.cz>
6691 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
6692 greater than NUM_VOP_FREE_BUCKETS.
6694 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
6696 * tree-ssa-structalias.c: Update comments.
6697 (ptabitmap_obstack): Removed.
6699 (oldpta_obstack): Ditto.
6700 (stats): Add a few members.
6701 (struct variable_info): Remove node, complex, address_taken, and
6702 indirect_target members. Add oldsolution member.
6703 (new_var_info): Do not initialize removed members.
6704 (constraint_expr_type): Remove INCLUDES.
6705 (constraint_graph): Add size, implicit_preds, rep,
6706 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
6707 (FIRST_REF_NODE): New macro.
6708 (LAST_REF_NODE): Ditto.
6709 (FIRST_ADDR_NODE): Ditto.
6710 (find): New function.
6712 (dump_constraint): Do not handle INCLUDES.
6713 (insert_into_complex): Do not insert duplicate constraints.
6714 (condense_varmap_nodes): Renamed and rewritten into ...
6715 (merge_node_constraints): This. Also fix bug in handling of
6716 offseted copy constraints.
6717 (clear_edges_for_node): No longer need to deal with preds at all,
6718 or removing associated preds/succs.
6719 (merge_graph_nodes): Deal with indirect_cycles.
6720 Don't deal with predecessors.
6721 (add_implicit_graph_edge): New function.
6722 (add_pred_graph_edge): Ditto.
6723 (add_graph_edge): Don't deal with predecessors.
6724 (build_constraint_graph): Removed.
6725 (build_pred_graph): New function.
6726 (build_succ_graph): Ditto.
6727 (struct scc_info): Removed in_component. Added roots, dfs, and
6728 node_mapping. Remove visited_index, unification_queue.
6729 (scc_visit): Deal with union-find we do now.
6730 Deal with cycles with REF nodes.
6731 (collapse_nodes): Renamed and rewritten to ...
6732 (unify_nodes): This.
6733 (process_unification_queue): Removed.
6734 (topo_visit): Cleanup
6735 (do_da_constraint): Use find.
6736 (do_sd_constraint): Ditto.
6737 (do_ds_constraint): Ditto.
6738 (do_complex_constraint): Ditto.
6739 (init_scc_info): Update for removed and added members.
6740 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
6741 (find_indirect_cycles): This.
6742 (equivalence_class): New variable.
6743 (label_visit): New function.
6744 (perform_variable_substitution): Rewritten.
6745 (free_var_substitution_info): New function.
6746 (find_equivalent_node): Ditto.
6747 (move_complex_constraints): Ditto.
6748 (eliminate_indirect_cycles): Ditto.
6749 (solve_graph): Only propagate changed bits.
6750 Use indirect cycle elimination.
6752 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
6753 (tree_id_eq): Renamed to ...
6754 (tree_vi_eq): This. Update for member change
6755 (insert_id_for_tree): Renamed and rewritten to ...
6756 (insert_vi_for_tree): This.
6757 (lookup_id_for_tree): Renamed and rewritten to ...
6758 (lookup_vi_for_tree): This.
6759 (get_id_for_tree): Renamed and rewritten to ...
6760 (get_vi_for_tree): Ditto.
6761 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
6762 (process_constraint): Don't handle INCLUDES.
6763 Remove special ADDRESSOF case.
6764 (find_func_aliases): Rewrite to use vi functions instead of id
6766 (create_function_info_for): Ditto.
6767 (create_variable_info_for): Ditto.
6768 (intra_create_variable_infos): Ditto.
6769 (merge_smts_into): Ditto.
6770 (find_what_p_points_to): Ditto.
6771 (init_base_vars): Ditto.
6772 (init_alias_vars): Ditto.
6773 (remove_preds_and_fake_succs): New function.
6774 (dump_sa_points_to_info): Dump new stats.
6775 (dump_solution_for_var): Use find.
6776 (set_used_smts): Fix formatting.
6777 (compute_points_to_sets): Updated for new functions.
6778 (ipa_pta_execute): Ditto.
6780 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6781 Richard Sandiford <richard@codesourcery.com>
6783 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
6785 * calls.c (expand_call): If the return value is a PARALLEL,
6786 extract its first member.
6787 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
6788 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
6789 use FUNCTION_EXTRA_EPILOGUE.
6790 (m68k_function_value): Return a PARALLEL if the return value
6791 is of a pointer type.
6792 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
6793 (FUNCTION_EXTRA_EPILOGUE): Remove.
6794 * config/m68k/m68k.md (D0_REG): New constant.
6796 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6798 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
6799 output a NOP for empty epilogues.
6801 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6803 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
6804 before function. Extend register save check to include all
6805 registers, not just integer ones.
6807 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6809 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
6810 (m68k_use_return_insn): ...this.
6811 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
6812 * config/m68k/m68k.c (use_return_insn): Rename to...
6813 (m68k_use_return_insn): ...this.
6814 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
6817 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6819 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
6820 nearest even, fix denormal rounding overflow.
6822 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6824 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
6825 f%$smove and f%$move.
6826 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
6827 (extendsfdf2_cf): Use fdmove instead of f%&move.
6828 (truncdfsf2_cf): Use fsmove instead of f%$smove.
6829 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
6831 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6833 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
6836 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6838 * real.h (real_format): Add a canonical_nan_lsbs_set field.
6839 (coldfire_single_format): Declare.
6840 (coldfire_double_format): Likewise.
6841 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
6842 of qnan_msb_set to determine the lower bits of a canonical
6844 (encode_ieee_double): Likewise.
6845 (encode_ieee_quad): Likewise.
6846 (ieee_single_format): Initialize canonical_nan_lsbs_set.
6847 (mips_single_format): Likewise.
6848 (ieee_double_format): Likewise.
6849 (mips_double_format): Likewise.
6850 (ieee_extended_motorola_format): Likewise.
6851 (ieee_extended_intel_96_format): Likewise.
6852 (ieee_extended_intel_128_format): Likewise.
6853 (ieee_extended_intel_96_round_53_format): Likewise.
6854 (ibm_extended_format): Likewise.
6855 (mips_extended_format): Likewise.
6856 (ieee_quad_format): Likewise.
6857 (mips_quad_format): Likewise.
6858 (vax_f_format): Likewise.
6859 (vax_d_format): Likewise.
6860 (vax_g_format): Likewise.
6861 (i370_single_format): Likewise.
6862 (i370_double_format): Likewise.
6863 (decimal_single_format): Likewise.
6864 (decimal_double_format): Likewise.
6865 (decimal_quad_format): Likewise.
6866 (c4x_single_format): Likewise.
6867 (c4x_extended_format): Likewise.
6868 (real_internal_format): Likewise.
6869 (coldfire_single_format): New real_format.
6870 (coldfire_double_format): Likewise.
6871 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
6872 canonical_nan_lsbs_set.
6873 (pdp11_d_format): Likewise.
6874 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
6875 if TARGET_COLDFIRE_CPU.
6877 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6879 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
6880 (output_call, m68k_legitimize_call_address): Declare.
6881 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
6882 parenthesees. Add support for a 'W' constraint.
6883 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
6884 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
6885 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
6886 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
6888 (override_options): Initialize them. Do not set flag_no_function_cse
6889 for TARGET_ID_SHARED_LIBRARY.
6890 (m68k_output_pic_call): Delete.
6891 (m68k_legitimize_call_address): New function.
6892 (print_operand): Remove the %o prefix. Handle the %p prefix.
6893 (output_call): New function.
6894 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
6895 target address from the GOT if symbolic jumps are not allowed.
6896 * config/m68k/m68k.md (call, general_operand): Do not set
6897 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
6898 Merge separate flag_pic and !flag_pic define_insns into...
6899 (*call, *call_value): ...these new patterns. Match the address
6900 rather than the containing MEM and require it to be a call_operand.
6901 Use output_call to generate the asm template.
6902 * config/m68k/predicates.md (const_call_operand): New predicate.
6903 (call_operand): Likewise.
6905 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6907 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
6908 (STACK_GROWS_DOWNWARD): Define to 1.
6909 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
6910 comments, emphasizing that these values are only defaults.
6911 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
6912 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
6914 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6916 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
6918 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
6919 Richard Sandiford <richard@codesourcery.com>
6921 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
6922 (FP_REGNO_P): New macros.
6923 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
6924 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
6925 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
6926 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
6928 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6930 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6931 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
6933 * config/m68k/t-floatlib: New file, extracting common code from...
6934 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
6935 * config/m68k/t-uclinux: Here.
6936 * config/m68k/fpgnulib.c: Do not compile extendeed precision
6937 routines on ColdFire targets.
6939 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
6941 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6942 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
6943 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
6944 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
6945 explicitly set MOTOROLA to 1.
6946 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
6948 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6949 Nathan Sidwell <nathan@codesourcery.com>
6951 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
6952 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
6953 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
6954 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
6955 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
6956 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
6957 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
6958 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
6959 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
6960 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
6961 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
6962 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
6963 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
6964 (DBX_REGISTER_NUMBER): Delete.
6965 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
6966 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
6967 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
6969 2007-01-18 Richard Sandiford <richard@codesourcery.com>
6971 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
6972 * config/flat.h: New file.
6973 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
6975 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
6976 indirect references for -msep-data or -mid-shared-library.
6977 Do not use PC-relative code addresses either.
6978 * config/m68k/m68k.c (override_options): Restrict -fPIC error
6980 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
6981 for shared libraries and crt1.o for executables. Use crti.o and
6983 (ENDFILE_SPEC): Use crtend.o and crtn.o.
6984 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
6985 Do not add -elf2flt or -shared-lib-id options here.
6986 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
6987 Pass -shared-lib-id if -mid-shared-library, taking the library
6988 identifier from -mshared-library-id if given, otherwise
6990 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
6991 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
6992 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
6993 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
6994 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
6995 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
6997 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
6998 jump sequence for ISA A and ISA A+.
6999 (PICJUMP): Likewise.
7001 2007-01-18 Richard Sandiford <richard@codesourcery.com>
7003 * config.gcc (m68k-*-uclinux*): Base the port on the common
7004 and m68k GNU/Linux files rather than on the generic ELF ones.
7005 * config/m68k/uclinux.h (TARGET_VERSION): Override.
7006 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
7008 2007-01-18 Julian Brown <julian@codesourcery.com>
7009 Richard Sandiford <richard@codesourcery.com>
7011 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
7012 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
7013 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
7015 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
7017 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
7019 2007-01-18 Richard Sandiford <richard@codesourcery.com>
7021 * doc/install.texi: Document m68k-uclinuxoldabi.
7022 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
7023 * config/m68k/uclinux-oldabi.h: New file, copied from
7024 config/m68k/uclinux.h.
7026 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
7028 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
7029 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
7030 (m32r_compute_frame_size): Use unsigned for regno.
7031 (m32r_reload_lr): Use gen_frame_mem.
7033 (m32r_output_function_epilogue): Don't output the function epilogue
7035 (m32r_expand_epilogue): New.
7036 (direct_return): Return false if the function has the interrupt
7038 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
7039 * config/m32r/m32r.md (epilogue): New expander.
7040 (return_lr, return_rte): New insns.
7041 (return): Make it expander.
7042 (return_normal): New expander.
7044 2007-01-18 Josh Conner <jconner@apple.com>
7047 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
7048 support for UNLE, UNLT, UNGE, and UNGT.
7050 2007-01-18 Jan Hubicka <jh@suse.cz>
7052 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
7053 * tree-tailcall (add_virtual_phis): Likewise.
7054 (optimize_tail_call): Return TODOs.
7055 (execute_tail_calls): Return TODOs.
7056 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
7057 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
7059 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
7060 Cleanup cfg using TODO.
7061 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
7062 * passes.c (execute_function_todo): When cleanup did something, remove
7064 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
7065 (make_edges): Don't cleanup_cfg.
7067 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
7069 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
7070 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
7071 operate on the top of stack.
7072 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
7073 register handling of instructions that output to the second
7075 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
7076 (move_for_stack_reg): Special-case check for dead destination
7077 stack slot for constant load of 1.0 inside UNSPEC_TAN.
7079 * config/i386/i386.md (UNSPEC_TAN): New constant.
7080 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
7081 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
7082 to correctly model move of constant 1.0 to top stack slot.
7083 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
7084 (unnamed peephole2 pattern): Remove corresponding peephole2
7085 pattern that optimizes tan insn and loading of constant 1.0.
7086 (tanxf2): Use fptanxf4_i387.
7087 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
7088 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
7089 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
7090 disable patterns for SSE math.
7091 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
7092 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
7094 2007-01-18 Dirk Mueller <dmueller@suse.de>
7095 Richard Guenther <rguenther@suse.de>
7098 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
7099 * common.opt (Warray-bounds): Add new warning option.
7100 * c-opts.c (c_common_handle_option): Define -Warray-bounds
7102 * Makefile.in: make tree-vrp.o depend on toplev.h
7103 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
7105 (check_array_refs, check_array_bounds, check_array_ref): New.
7107 2007-01-18 Jan Hubicka <jh@suse.cz>
7109 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
7110 (execute_ssa_ccp): Return flags conditionally.
7111 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
7113 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
7115 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
7117 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
7118 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
7120 * Makefile.c (GTFILES): Add cfglayout.h.
7121 * gengtype.c (open_base_files): Likewise.
7122 * cfglayout.c (cfg_layout_function_footer,
7123 cfg_layout_function_header) Reindent to make gengtype happy.
7124 * cfglayout.h (cfg_layout_function_footer,
7125 cfg_layout_function_header): Add GTY(()) marker.
7127 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
7129 2007-01-18 Ben Elliston <bje@au.ibm.com>
7131 * genautomata.c (write_automata): Include xstrerror output in the
7132 error message if writing the DFA description file fails.
7134 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
7136 * config/mips/mips-protos.h (mips_output_external): Make it
7138 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
7139 * config/mips/mips.c (irix_output_external_libcall): Likewise.
7140 (extern_list): Likewise.
7141 (extern_head): Likewise.
7142 (TARGET_ASM_FILE_END): Likewise.
7143 (mips_file_end): Likewise.
7144 (mips_output_external): Rewritten.
7146 2007-01-18 Ben Elliston <bje@au.ibm.com>
7148 * genpreds.c (write_insn_preds_c): Only write out the function
7149 body for regclass_for_constraint if we have register constraints.
7151 2007-01-17 Tom Tromey <tromey@redhat.com>
7153 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
7154 * doc/install.texi (Testing): Use sourceware.org.
7155 (Binaries): Likewise.
7156 (Specific): Likewise.
7157 * doc/contrib.texi (Contributors): Use sourceware.org.
7159 2007-01-17 Anatoly Sokolov <aesok@post.ru>
7161 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
7162 (AVR_ENHANCED): Rename to ...
7163 (AVR_HAVE_MUL): ... new.
7164 (avr_enhanced_p): Rename to ...
7165 (avr_have_mul_p): ... new.
7166 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
7167 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
7168 * config/avr/avr.c (avr_enhanced_p): Rename to ...
7169 (avr_have_mul_p): ... new.
7170 (base_arch_s): Rename 'enhanced' to 'have_mul'.
7171 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
7172 'avr_enhanced_p' and 'enhanced'.
7173 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
7174 AVR_HAVE_MUL instead of AVR_ENHANCED.
7175 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7176 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
7177 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
7178 instead of AVR_ENHANCED.
7179 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7180 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
7181 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
7183 2007-01-17 Ian Lance Taylor <iant@google.com>
7185 * vec.h (VEC_reserve_exact): Define.
7186 (vec_gc_p_reserve_exact): Declare.
7187 (vec_gc_o_reserve_exact): Declare.
7188 (vec_heap_p_reserve_exact): Declare.
7189 (vec_heap_o_reserve_exact): Declare.
7190 (VEC_OP (T,A,reserve_exact)): New static inline function, three
7192 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
7194 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
7195 (VEC_OP (T,A,copy)) [all versions]: Likewise.
7196 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
7197 * vec.c (calculate_allocation): Add exact parameter. Change all
7199 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
7200 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
7201 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
7202 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
7203 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
7204 (vec_heap_p_reserve_exact): New function.
7205 (vec_heap_o_reserve_exact): New function.
7207 2007-01-17 Jan Hubicka <jh@suse.cz>
7209 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
7211 2007-01-17 Eric Christopher <echristo@apple.com>
7213 * config.gcc: Support core2 processor.
7215 2007-01-16 Jan Hubicka <jh@suse.cz>
7217 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
7218 the names, just unlink the chain so we don't crash on dangling pointers
7221 2007-01-16 Jan Hubicka <jh@suse.cz>
7223 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
7224 * tree-pass.h: Reorder to make IPA passes appear toegher.
7225 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
7226 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
7227 parameters, do not call early inliner.
7228 * ipa-inline.c: Update comments. Include tree-flow.h
7229 (cgraph_decide_inlining): Do not compute inlining parameters.
7230 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
7231 be called with function context set up.
7232 (pass_ipa_inline): Remove unreachable functions before pass.
7233 (cgraph_early_inlining): Simplify assuming to be called from the
7235 (pass_early_inline): New pass.
7236 (cgraph_gate_ipa_early_inlining): New gate.
7237 (pass_ipa_early_inline): Turn into simple wrapper.
7238 (compute_inline_parameters): New function.
7239 (gate_inline_passes): New gate.
7240 (pass_inline_parameters): New pass.
7241 (apply_inline): Move here from tree-optimize.c
7242 (pass_apply_inline): New pass.
7243 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
7245 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
7247 (tree_function_versioning): Do not allocate dummy struct function.
7248 * tree-inline.h (optimize_inline_calls): Update prototype.
7249 * tree-optimize.c (execute_fixup_cfg): Export.
7250 (pass_fixup_cfg): Remove
7251 (tree_rest_of_compilation): Do not apply inlines.
7252 * tree-flow.h (execute_fixup_cfg): Declare.
7253 * Makefile.in (gt-passes.c): New.
7254 * passes.c: Include gt-passes.h
7255 (init_optimization_passes): New passes.
7256 (nnodes, order): New static vars.
7257 (do_per_function_toporder): New function.
7258 (execute_one_pass): Dump current pass here.
7259 (execute_ipa_pass_list): Don't dump current pass here.
7261 2007-01-16 Janis Johnson <janis187@us.ibm.com>
7263 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
7264 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
7266 2007-01-16 David Edelsohn <edelsohn@gnu.org>
7268 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
7269 (strong_alias): Define.
7270 (__gcc_qmul): Provide non-FMA for soft-float.
7276 (__gcc_qunord): New.
7286 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
7287 soft-float functions.
7288 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
7289 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
7290 about long double soft float.
7292 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
7293 Tehila Meyzels <tehila@il.ibm.com>
7295 * tree-vectorizer.h (is_pattern_stmt_p): New.
7296 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
7297 formatting (tabs instead of spaces). Cleanup and clarify setting
7298 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
7299 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
7300 (vectorizable_type_demotion): Check that types are integral.
7301 (vectorizable_type_promotion): Likewise.
7302 (vectorizable_store): Fix typo. Eliminate new-line at end of
7305 2007-01-16 Jan Hubicka <jh@suse.cz>
7307 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
7310 2007-01-15 Eric Christopher <echristo@apple.com>
7312 * ifcvt.c: Include vec.h, vecprim.h.
7313 (check_cond_move_block): New argument regs.
7314 Reorganize. Add registers used to regs.
7315 (cond_move_process_if_block): Use regs set above as
7318 2007-01-15 Eric Christopher <echristo@apple.com>
7320 * config/darwin.h: Update copyright.
7321 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
7322 (LINK_COMMAND_SPEC): Add -u.
7323 (LINK_SPEC): Fix umbrella for above.
7325 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
7327 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
7330 2007-01-15 Tom Tromey <tromey@redhat.com>
7332 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
7333 * doc/install.texi (Testing): Don't mention jacks.
7334 (Configuration): Document --enable-java-maintainer-mode. Move
7335 --with-java-home to libgcj-specific section. Document
7337 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
7339 2007-01-15 Jan Hubicka <jh@suse.cz>
7341 * tree-ssa-dce.c (DCE_TODOs): New.
7342 (propagate_necessity): Return if something changed.
7343 (eliminate_unnecessary_stmts): Likewise.
7344 (perform_tree_ssa_dce): Return TODO flags when needed.
7345 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
7347 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
7349 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
7350 (fyl2x_extend<mode>xf3_i387): New insn pattern.
7351 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
7352 patterns using X87MODEF12 mode macro. Extend operand 1
7353 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
7354 (log10<mode>2): Ditto.
7355 (log2<mode>2): Ditto.
7356 (log1p<mode>2): Ditto.
7357 (logb<mode>2): Ditto.
7358 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
7359 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
7360 (*fxtractxf3_i387): Rename from *fxtractxf3.
7361 (fxtract_extend<mode>xf3_i387): New insn pattern.
7362 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
7363 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
7364 and gen_fyl2xxf3_i387().
7366 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7368 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
7369 * cfgloopmanip.c (fix_loop_placement): Made static. Use
7370 get_loop_exit_edges. Changed return type to bool.
7371 * cfgloop.h (fix_loop_placement): Declaration removed.
7373 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
7375 * param.h (MIN_VECT_LOOP_BOUND): New.
7376 * params.def (MIN_VECT_LOOP_BOUND): New.
7377 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
7378 argument - minimum threshold for number of iterations.
7379 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
7380 argument to declaration.
7381 * tree-vect-analyze.c (vect_analyze_operations): Check value of
7382 MIN_VECT_LOOP_BOUND.
7383 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
7384 slpeel_tree_peel_loop_to_edge with additional argument.
7385 (vect_do_peeling_for_alignment): Likewise.
7386 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
7388 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
7391 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
7394 2007-01-14 Jan Hubicka <jh@suse.cz>
7396 * tree-dfa.c (remove_referenced_var): New function.
7397 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
7398 prune referenced vars list too.
7399 * tree-flow.h (remove_referenced_var): Declare.
7401 2007-01-14 Jan Hubicka <jh@suse.cz>
7403 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
7405 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
7406 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
7407 * except.h (verify_eh_throw_table_statements): Kill prototype.
7408 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
7409 into call exrepssions.
7410 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
7412 * tree-cfg.c: Include pointer-set.h.
7413 (verify_node_sharing): Work on pointer set.
7414 (verify_eh_throw_stmt_node): New.
7415 (verify_stmts): Use pointers sets, verify throw_stmt.
7417 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
7419 * ipa-reference.c (analyze_function): Consider also addresses taken
7422 2007-01-12 Roger Sayle <roger@eyesopen.com>
7424 * c-typeck.c (null_pointer_constant_p): Replace use of
7425 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7426 (build_c_cast): Likewise.
7428 2007-01-12 Roger Sayle <roger@eyesopen.com>
7430 * tree.h (force_fit_type_double): Remove unused final argument.
7431 * c-common.c (constant_expression_warning): Replace use of
7432 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7433 (convert_and_check): Likewise.
7434 (shorten_compare): Update call to force_fit_type_double.
7435 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
7436 * convert.c (convert_to_pointer): Update call to
7437 force_fit_type_double.
7438 * fold-const.c (force_fit_type_double): Remove overflowed_const
7440 (int_const_binop, fold_convert_const_int_from_int,
7441 fold_convert_const_int_from_real, fold_div_compare,
7442 fold_sign_changed_comparison, fold_unary, fold_negate_const,
7443 fold_abs_const, fold_not_const): Remove the final argument from
7444 calls to force_fit_type_double.
7446 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
7448 * configure.ac: Set insn to "nop" for spu-*-* also.
7449 * configure: Regenerate.
7451 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
7453 * builtins.def : Add BUILT_IN_FREE.
7455 2007-01-12 Jan Hubicka <jh@suse.cz>
7457 PR tree-optimization/30443
7458 * tree-inline.c (tree_function_versioning): Do not optimize when
7459 cloning for inlining.
7461 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
7463 * doc/loop.texi: Document recording of loop exits.
7464 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
7465 (update_single_exits_after_duplication,
7466 update_single_exit_for_duplicated_loop,
7467 update_single_exit_for_duplicated_loops): Removed.
7468 (duplicate_loop_to_header_edge): Do not call
7469 update_single_exits_after_duplication and
7470 update_single_exit_for_duplicated_loops.
7471 (loop_version): Do not update single_exit information.
7472 (fix_loop_structure): Use record_loop_exits instead of
7473 mark_single_exit_loops.
7474 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
7475 the lists of loop exits.
7476 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
7477 split_edge, merge_blocks): Update the lists of loop exits.
7478 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
7479 loop_optimizer_init.
7480 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
7481 of mark_single_exit_loops.
7482 (loop_optimizer_finalize): Call release_recorded_exits.
7483 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
7484 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
7485 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
7486 update single exit information.
7487 * lambda-code.c (perfect_nestify): Ditto.
7488 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
7489 (mark_single_exit_loops): Removed.
7490 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
7491 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
7492 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
7494 (get_loop_exit_edges, single_exit): Use recorded exit lists.
7495 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
7496 (verify_loop_structure): Verify consistency of the exit lists.
7497 (flow_loops_find): Use alloc_loop. Initialize exits hash.
7498 (set_single_exit): Removed.
7499 * cfgloop.h (struct loop_exit): New function.
7500 (struct loop): single_exit_ field replaced by exits field.
7501 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
7502 (struct loops): Added exits hash.
7503 (mark_single_exit_loops, set_single_exit): Declaration removed.
7504 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
7506 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7508 * doc/invoke.texi: Avoid use of @headitem.
7510 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7512 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
7514 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7516 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
7519 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
7520 Richard Sandiford <richard@codesourcery.com>
7522 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
7523 * config/m68k/m68k.opt: Resort options.
7524 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
7526 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
7527 Richard Sandiford <richard@codesourcery.com>
7529 * doc/invoke.texi: Document the macros that are defined by
7530 m68k's -mtune and -mhard-float options.
7531 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
7532 (m68k_cpp_cpu_family): Likewise.
7533 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
7534 of __ucfv*__ macros. Define __mcffpu__ if generating code for
7535 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
7536 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
7537 (m68k_cpp_cpu_family): Likewise.
7539 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7541 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
7542 macros besides mc68000 as tuning macros. Use a switch statement
7543 to set them and mcpu32.
7545 2007-01-12 Julian Brown <julian@codesourcery.com>
7547 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
7548 (TARGET_68040_ONLY): Rename to...
7549 (TARGET_68040): ...this.
7550 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
7551 * config/m68k/m68k.md: Likewise.
7553 2007-01-12 Julian Brown <julian@codesourcery.com>
7554 Nathan Sidwell <nathan@codesourcery.com>
7555 Richard Sandiford <richard@codesourcery.com>
7557 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
7558 the -mcpu= argument associated with the --with-cpu setting.
7559 Define M68K_DEFAULT_TUNE to the default -mtune= option,
7560 if different from the one implied by the -mcpu setting.
7561 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
7562 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
7563 * doc/invoke.texi: Mention ColdFire in the introduction to the
7564 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
7565 -mno-div and -mhard-float options. Make -m68881 a synonym for
7566 -mhard-float. Document the previously-undocumented -m5206e,
7567 -m528x, -m5307 and -m5407 options. Tweak the existing option
7568 documentation for consistency.
7569 * doc/install.texi: Mention new --with-cpu arguments.
7570 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
7571 default CPU if neither -mcpu nor -march are specified.
7572 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
7573 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
7574 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
7575 using m68k_tune to decide between families that implement the
7576 same ISA. Use m68k_tune to set __mcfv4e__.
7577 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
7578 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
7579 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
7580 (FL_ISA_C, FL_ISA_MMU): New macros.
7581 (MASK_COLDFIRE): Delete.
7582 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
7583 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
7584 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
7585 (TARGET_HARD_FLOAT): Do not define here.
7586 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
7587 (TUNE_68000): New macro.
7588 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
7589 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
7590 (TUNE_CFV2): Redefine in terms of m68k_tune.
7591 (uarch_type, target_device, fpu_type): New enums.
7592 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
7593 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
7594 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
7595 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
7596 (FL_FOR_isa_c): New macros.
7597 (m68k_isa): New enum.
7598 (m68k_target_selection): New structure.
7599 (all_devices, all_isas, all_microarchs): New tables.
7600 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
7601 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
7602 (MASK_ALL_CPU_BITS): Delete.
7603 (m68k_find_selection): New function.
7604 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
7605 Map the legacy target options to a combination of the new ones.
7606 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
7607 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
7608 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
7610 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
7611 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
7613 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
7614 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
7615 * config/m68k/m68k-devices.def: New file.
7617 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7618 Nathan Sidwell <nathan@codesourcery.com>
7620 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
7621 (SUBTARGET_EXTRA_SPECS): New macros.
7622 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
7623 use %(asm_cpu_spec) instead.
7624 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
7625 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
7626 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
7627 (EXTRA_SPECS): Rename to...
7628 (SUBTARGET_EXTRA_SPECS): ...this.
7630 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
7631 Richard Sandiford <richard@codesourcery.com>
7632 Julian Brown <julian@codesourcery.com>
7634 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7635 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
7636 to the configuration's default CPU.
7637 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
7638 Remove default masks.
7639 (m680[012]0-*-*): Set the default with_cpu to the first part of
7641 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
7642 (m68k*-*-linux): Extend the --with-cpu handling to...
7643 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
7644 and m68010. Don't set target_cpu_default2.
7645 * doc/install.texi: Document --with-cpu for m68k.
7646 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
7647 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
7648 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
7649 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
7650 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
7651 (ASM_SPEC): Remove use of %(asm_cpu_default).
7652 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
7653 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
7654 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
7655 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
7656 __HAVE_FPU__ if TARGET_HARD_FLOAT.
7657 (TARGET_DEFAULT): Delete.
7658 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
7659 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
7660 (CPP_CPU_SPEC): Delete.
7661 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
7662 the appropriate string.
7663 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
7664 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
7665 (ASM_SPEC): Don't use %(asm_default_spec).
7666 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7667 TARGET_DEFAULT and add MASK_68881.
7668 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
7670 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7672 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
7673 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
7674 MASK_68010 alongside MASK_68020.
7675 * doc/invoke.texi: Document -m68010.
7676 * config/m68k/m68k.opt (m68010): New.
7677 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
7679 (TUNE_68010): New macro.
7680 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
7681 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
7682 (M68K_CPU_m68332): Add MASK_68010.
7683 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
7684 fallback definition.
7685 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
7687 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
7688 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
7689 to all entries that use MASK_68020.
7690 (output_move_simode_const, output_move_himode, output_move_qimode)
7691 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
7692 instead of TARGET_68020 to select clr behavior. Remove comment
7693 about there being no TARGET_68010.
7694 * config/m68k/m68k.md: Likewise throughout.
7696 2007-01-12 Julian Brown <julian@codesourcery.com>
7698 * config/m68k/m68k.h (TARGET_ISAB): New macro.
7699 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
7700 * config/m68k/m68k.md: Likewise.
7702 2007-01-12 Julian Brown <julian@codesourcery.com>
7704 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
7705 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
7707 2007-01-12 Julian Brown <julian@codesourcery.com>
7709 * config/m68k/m68k.h (TUNE_68040_60): New macro.
7710 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
7711 * config/m68k/m68k.md: Likewise.
7713 2007-01-12 Julian Brown <julian@codesourcery.com>
7714 Richard Sandiford <richard@codesourcery.com>
7716 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
7717 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
7718 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
7720 (TARGET_CPU32): Rename to...
7721 (TUNE_CPU32): ...this.
7722 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
7723 (TUNE_CFV2): New macros.
7724 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
7725 remove conditions that are implied by TARGET_68020.
7726 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
7727 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
7728 (m68k_output_function_epilogue): Likewise.
7729 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
7730 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
7731 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
7732 non-68000 timings. Refactor multiplication and division costs.
7733 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
7734 TUNE_CPU32 instead of TARGET_CPU32.
7735 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
7736 and TUNE_68060 instead of TARGET_68060.
7737 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
7738 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
7740 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
7741 && !TARGET_COLDFIRE" to choose between moveq and clr.
7742 Likewise in the unnamed movsf pattern.
7743 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
7744 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
7747 2007-01-12 Richard Sandiford <richard@codesourcery.com>
7749 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
7750 of tabbing before backslashes.
7752 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7754 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
7755 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
7756 (ASM_OUTPUT_INTERNAL_LABEL): Define.
7758 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7760 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
7761 find_interesting_uses_cond.
7762 (find_interesting_uses_cond): Use extract_cond_operands.
7763 (rewrite_use_compare): Use extract_cond_operands and
7764 force_gimple_operand_bsi. Do not call update_stmt.
7765 (determine_use_iv_cost_condition): Use extract_cond_operands.
7766 Return cheaper of using original bound and changing the exit bound.
7768 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7770 PR tree-optimization/29516
7771 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
7772 most_expensive_mult_to_index, addr_to_parts,
7773 create_mem_ref, maybe_fold_tmr): Make the type of
7774 fields of TARGET_MEM_REF sizetype.
7775 (move_fixed_address_to_symbol, move_pointer_to_base):
7777 * tree.def (TARGET_MEM_REF): Add comment on types of
7780 2007-01-11 Joseph Myers <joseph@codesourcery.com>
7782 * c-common.c (vector_types_convertible_p): Treat opaque types as
7783 always convertible if they have the same size, but not otherwise.
7785 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
7787 * ifcvt.c (struct noce_if_info): Add comments to the fields.
7788 Remove the b_unconditional field.
7789 (noce_try_sign_mask): Do not look at b_unconditional.
7790 (noce_process_if_block): Do not use merge_if_blocks. Update
7791 the CFG here. Do not set b_unconditional.
7792 (cond_move_process_if_block): Likewise.
7793 (find_cond_trap): Likewise.
7794 (check_cond_move_block): Require simple jump insns at the end
7797 2007-01-11 Jan Hubicka <jh@suse.cz>
7799 PR tree-optimization/1046
7800 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
7801 when alias info is not ready.
7802 (pass_tail_recursion): Do not require aliasing.
7803 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
7804 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
7805 * tree-ssa-copy.c (pass_copy_prop): Likewise.
7806 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
7807 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
7808 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
7809 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
7811 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
7812 When aliasing is not build, mark statement as volatile.
7814 2007-01-11 Tom Tromey <tromey@redhat.com>
7816 PR preprocessor/15185, PR preprocessor/20989:
7817 * doc/cppopts.texi <-MT>: Update description of algorithm for
7818 computing default target.
7819 <-M, -MD>: Reword "basename" text.
7821 2007-01-11 Roger Sayle <roger@eyesopen.com>
7823 * builtins.c (expand_builtin_pow, expand_builtin_powi,
7824 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
7825 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
7826 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
7827 fold_builtin_bswap, real_constp, fold_builtin_pow,
7828 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
7829 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
7830 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7831 * convert.c (convert_to_pointer): Likewise.
7832 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
7833 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
7834 const_binop, fold_convert_const_int_from_int,
7835 fold_convert_const_int_from_real,
7836 fold_convert_const_real_from_real, sign_bit_p,
7837 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
7838 fold_sign_changed_comparison, fold_unary, fold_comparison,
7839 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
7840 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
7841 * print-tree.c (print_node_brief, print_node): Likewise.
7842 * stor-layout.c (place_field, layout_type): Likewise.
7843 * tree-chrec.c (keep_cast): Likewise.
7844 * tree.c (build_vector, build_real, build_real_from_int_cst,
7845 build_complex): Likewise.
7847 2007-01-11 Roger Sayle <roger@eyesopen.com>
7849 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
7850 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
7852 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
7854 * configure.ac (strict1_warn): Rename to strict_warn.
7855 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
7856 cc_set_by_configure, quoted_cc_set_by_configure,
7857 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
7858 all_boot_languages, all_stagestuff): Remove.
7859 (target_list): Remove bootstrap targets.
7860 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
7861 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
7862 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
7863 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
7864 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
7865 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
7866 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
7867 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
7868 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
7869 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
7870 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
7871 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
7872 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
7873 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
7874 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
7875 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
7876 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
7877 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
7878 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
7879 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
7880 (mostlyclean): Adjust.
7881 (clean, distclean): Don't mention bootstrap stuff.
7882 * configure: Regenerate.
7883 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
7884 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
7885 treelang/config-lang.in (stagestuff): Remove.
7886 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
7887 stageprofile, stagefeedback, stagestuff): Remove mention.
7889 2007-01-11 Nick Clifton <nickc@redhat.com>
7891 * config/mcore/predicates.md (mcore_general_movesrc_operand):
7893 (mcore_general_movdst_operand): Do not accept CONST_INTs.
7894 (mcore_arith_K_S_operand): Run the test for the S constraint not
7895 the test for the M constraint.
7896 (mcore_addsub_operand): Do not accept integer values that are
7897 larger than 32 bits.
7898 * config/mcore/mcore.md: Remove unused constraints from split.
7899 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
7901 (allocate_stack): Likewise.
7902 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
7903 operands to 32 bits.
7904 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
7906 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
7907 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
7908 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
7909 mcore_output_bclri, mcore_output_andn, output_inline_const,
7910 mcore_output_move, mcore_output_movedouble): Likewise.
7911 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
7912 (output_inline_const): Likewise.
7913 (output_inline_const): Fix format strings used in sprintf
7915 * config/mcore/mcore-protos.h: Update prototypes for changed
7916 functions in mcore.c.
7917 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
7918 HOST_WIDE_INT and not int.
7919 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
7920 CONST_OK_FOR_N): Likewise.
7921 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
7922 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
7925 2007-01-10 Jan Hubicka <jh@suse.cz>
7927 * tree-vrp.c (remove_range_assertions): Release defs.
7928 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
7929 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
7931 2007-01-10 Paul Brook <paul@codesourcery.com>
7933 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
7934 * config/arm/arm.md (mulsi3subsi): New insn.
7936 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
7938 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
7939 (tree_transform_and_unroll_loop): New.
7940 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
7943 2007-01-10 Robert Kennedy <jimbob@google.com>
7945 * fold-const.c (fold_comparison): Fold comparisons like (x *
7946 1000 < 0) to (x < 0).
7948 2007-01-10 Ian Lance Taylor <iant@google.com>
7950 * tree-pretty-print.c (dump_generic_node): Print parentheses when
7951 operands have the same priority.
7953 2007-01-10 Tom Tromey <tromey@redhat.com>
7955 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
7956 (fold_binary): Likewise.
7957 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
7958 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
7959 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
7960 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
7961 * langhooks.h (struct lang_hooks): Removed field
7962 'can_use_bit_fields_p'.
7964 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
7966 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
7968 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
7970 * function.c (get_last_funcdef_no): New function.
7971 * function.h (get_last_funcdef_no): Declare.
7972 * tree-inline.c (initialize_cfun): Add initialization.
7973 (tree_function_versioning): Cleanup.
7975 2007-01-10 Jan Hubicka <jh@suse.cz>
7977 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
7980 2007-01-10 Sa Liu <saliu@de.ibm.com>
7981 Ben Elliston <bje@au.ibm.com>
7983 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
7984 for SAVE_NONLOCAL and Pmode for any other save level.
7985 * spu-protos.h (spu_restore_stack_block): Declare.
7986 * spu.md (save_stack_block): Remove.
7987 (restore_stack_block): Call spu_restore_stack_block.
7988 * spu.c (spu_restore_stack_block): New function.
7989 (spu_expand_epilogue): Remove old comment.
7991 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
7993 PR tree-optimization/30322
7994 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
7995 (cand_value_at): Return the value as aff_tree.
7996 (may_eliminate_iv): Convert the bound from aff_tree to tree.
7997 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
7998 aff_combination_mult): New functions.
7999 (aff_combination_add): Use aff_combination_add_cst.
8000 (aff_combination_convert): Allow conversions to a wider type.
8001 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
8002 * tree-affine.h (aff_combination_mult): Declare.
8004 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
8006 * doc/tm.texi: Update documentation to reflect reality of exec
8007 and start file search behaviours. Update copyright year.
8008 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
8009 header file directories.
8011 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
8013 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
8014 (*cosxf2): Rename to cosxf2_i387.
8015 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
8016 using X87MODEF12 mode macro. Rename patterns to
8017 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
8019 (*cosdf2, *cossf2): Ditto.
8020 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
8021 to match extended input operands.
8022 (sincos<mode>3): New expander.
8023 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
8024 insn patterns and corresponding splitters.
8026 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
8028 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
8029 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
8031 2007-01-09 Nicolas Pitre <nico@cam.org>
8034 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
8036 2007-01-08 Geoffrey Keating <geoffk@apple.com>
8038 * target.h (struct gcc_target): New field library_rtti_comdat.
8039 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
8040 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
8041 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
8042 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
8044 2007-01-08 Geoffrey Keating <geoffk@apple.com>
8046 * doc/invoke.texi (Optimize Options): Correct description of -O0.
8048 2007-01-08 Richard Guenther <rguenther@suse.de>
8050 * tree.h (force_fit_type_double): Export.
8051 (force_fit_type): Remove.
8052 * fold-const.c (force_fit_type_double): New function.
8053 (force_fit_type): Remove.
8054 (int_const_binop): Use it.
8055 (fold_convert_const_int_from_int): Likewise.
8056 (fold_convert_const_int_from_real): Likewise.
8057 (fold_div_compare): Likewise.
8058 (fold_sign_changed_comparison): Likewise.
8059 (fold_unary): Likewise.
8060 (fold_negate_const): Likewise.
8061 (fold_abs_const): Likewise.
8062 (fold_not_const): Likewise.
8063 * c-common.c (shorten_compare): Use force_fit_type_double.
8064 * convert.c (convert_to_pointer): Likewise.
8066 2007-01-08 Richard Guenther <rguenther@suse.de>
8068 * tree.h (build_int_cst_wide_type): Export.
8069 * tree.c (build_int_cst_wide_type): New function.
8070 (build_int_cst_wide): Fix comment.
8071 * builtins.c (fold_builtin_object_size): Use build_int_cst
8072 to build -1 or 0 of the correct type. Use fit_double_type
8073 to check for overflow.
8074 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
8076 (decode_field_reference): Likewise.
8077 (all_ones_mask_p): Likewise.
8078 (native_interpret_int): Use build_int_cst_wide_type.
8079 (fold_binary): Use build_int_cst_type to build an all-ones
8081 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
8083 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
8085 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
8087 2007-01-09 Ben Elliston <bje@au.ibm.com>
8089 * genautomata.c (STATS_OPTION): New option.
8090 (stats_flag): New flag.
8091 (gen_automata_option): Handle it.
8092 (initiate_automaton_gen): Ditto.
8093 (write_automata): Output statistics only if stats_flag is
8094 set. Likewise, output time statistics only if time_flag is set.
8095 * doc/md.texi (Processor pipeline description): Document new flag.
8097 2007-01-08 Richard Guenther <rguenther@suse.de>
8099 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
8100 * tree.c (build_int_cst_type): Likewise.
8101 (size_in_bytes): Don't call force_fit_type on the result.
8102 (int_fits_type_p): Use fit_double_type.
8103 * fold-const.c (fit_double_type): New function.
8104 (force_fit_type): Use it.
8105 * tree.h (fit_double_type): Export.
8107 2007-01-08 Jan Hubicka <jh@suse.cz>
8109 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
8110 * ipa.c (function_and_variable_visibility): Fix return type.
8112 2007-01-08 Richard Guenther <rguenther@suse.de>
8114 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
8115 of offset to build the index.
8116 * tree-pretty-print.c (dump_generic_node): Don't build negated
8117 const just for printing.
8118 * c-pretty-print.c (pp_c_integer_constant): Likewise.
8119 * builtins.c (fold_builtin_int_roundingfn): Check if result
8120 fits the type by using force_fit_type and comparing the result.
8121 * predict.c (predict_loops): Use compare_tree_int for comparison.
8122 * tree.c (build_int_cst): Fall back to integer_type_node for
8124 (build_int_cst_wide): Assert type is non-null.
8126 2007-01-08 Roberto Costa <roberto.costa@st.com>
8128 * tree-vrp.c (extract_range_from_cond_expr): New.
8129 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
8130 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
8132 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
8133 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
8134 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
8135 used as expressions.
8136 * tree-object-size.c (cond_expr_object_size): New.
8137 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
8139 2007-01-08 Jan Hubicka <jh@suse.cz>
8141 * tree-ssa-forwprop.c (forward_propagate_into_cond,
8142 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
8145 2007-01-08 Richard Guenther <rguenther@suse.de>
8147 PR tree-optimization/23603
8148 * tree-vrp.c (set_value_range_to_truthvalue): New function.
8149 (extract_range_from_binary): Fall back to truthvalue instead of
8150 varying for TRUTH_*_EXPR.
8151 (extract_range_from_comparison): Fall back to truthvalue instead of
8153 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
8154 if all visited PHI values were constant.
8156 2007-01-08 Jan Hubicka <jh@suse.cz>
8158 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
8159 (cgraph_analyze_function): break out from ...
8160 (cgraph_finalize_compilation_unit): ... here.
8161 (cgraph_expand_function): Remove forgoten commented out line.
8162 (cgraph_optimize): Analyze functions.
8164 2007-01-08 Jan Hubicka <jh@suse.cz>
8166 * tree-pas.h (TODO_remove_function): New flag.
8167 (TODO_update*): Renumber.
8168 (pass_ipa_increase_alignment,
8169 pass_ipa_function_and_variable_visibility): New passes.
8170 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
8171 (cgraph_function_and_variable_visibility): Move to ipa.c
8172 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
8173 cgraph_increase_alignment.
8174 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
8175 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
8176 calling tree-inline.
8177 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
8178 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
8179 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
8180 (gate_increase_alignment): New function.
8181 (pass_ipa_increase_alignment): New pass.
8182 * ipa.c: Inline tree-pass.h and timevar.h
8183 (function_and_variable_visibility): Move here from cgraphunit.c
8184 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
8185 * passes.c (init_optimization_passes): Add the two new passes.
8186 (execute_todo): Handle cgraph_remove_functions.
8188 2007-01-08 Nick Clifton <nickc@redhat.com>
8190 * config/frv/predicates.md (reg_or_0_operand): Accept
8193 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
8195 * config/bfin/rtems.h, config/bfin/t-rtems: New.
8196 * config.gcc: Add bfin*-rtems*.
8198 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
8200 * c.opt: Add -flax-vector-conversions.
8201 * c-typeck.c (convert_for_assignment): Pass flag to
8202 vector_types_convertible_p to allow emission of note.
8203 (digest_init): Likewise.
8204 * c-opts.c: Handle -flax-vector-conversions.
8205 * c-common.c (flag_lax_vector_conversions): New.
8206 (vector_types_convertible_p): Unless -flax-vector conversions
8207 has been passed, disallow conversions between vectors with
8208 differing numbers of subparts and/or element types. If such
8209 a conversion is disallowed, possibly emit a note on the first
8210 occasion only to inform the user of -flax-vector-conversions.
8211 The new last argument specifies this.
8212 * c-common.h (flag_lax_vector_conversions): New.
8213 (vector_types_convertible_p): Add extra argument.
8214 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
8215 char_type_node for V*QI type vectors.
8216 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
8217 Update to satisfy new typechecking rules.
8218 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
8220 * doc/invoke.texi (C Dialect Options): Document
8221 -flax-vector-conversions.
8223 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
8225 PR tree-optimization/29877
8226 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
8227 a register variable on the RHS to not be replaceable.
8229 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
8230 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
8231 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
8232 const_simm15, const_pow2, const_npow2): Added.
8233 * config/score/misc.md (insv, extv, extzv, movmemsi,
8234 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
8235 * config/score/score.c (score_address_cost, score_select_cc_mode):
8237 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
8238 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
8239 Update score_print_operand.
8240 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
8241 Adjust register allocate order and update some macro define.
8242 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
8243 mdx_block_move_straight, mdx_block_move_loop_head,
8244 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
8245 mdx_block_move): Added.
8246 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
8247 mdp_limm): Updated and fix some bug and typo.
8248 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
8249 (movsf, movdf, doloop_end): Added.
8251 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
8253 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
8254 config/arm/thumb2.md: Fix comment typos.
8255 * doc/extend.texi: Fix a typo.
8257 2007-01-07 Eric Christopher <echristo@apple.com>
8259 * configure.ac: Check for __stack_chk_fail for darwin.
8260 * configure: Regenerate.
8262 2007-01-07 Richard Guenther <rguenther@suse.de>
8264 * tree-vrp.c (extract_range_from_assert): CSE calls to
8265 compare_values where possible.
8266 (extract_range_from_unary_expr): Likewise.
8268 2007-01-07 Anatoly Sokolov <aesok@post.ru>
8270 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
8271 * config/avr/avr.c (call_insn_operand): Delete function.
8272 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
8273 instead of register number. Use predicates.
8274 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
8275 call_insn_operand): Add.
8277 2007-01-06 Jan Hubicka <jh@suse.cz>
8279 * tree-pass.h (pass_build_cgraph_edges): Declare.
8280 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
8281 (visited_nodes): Remove.
8282 (cgraph_create_edges): Move to cgraphbuild.c; rename to
8283 build_cgrpah_edges; make visited_nodes local.
8284 (cgraph_process_new_functions): DO not call initialize_inline_failed.
8285 (record_references_in_initializer): Move to cgraphbuild.c
8286 (initialize_inline_failed, rebuild_cgraph_edges,
8287 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
8288 (verify_cgraph_node): Make visited_nodes local.
8289 (cgraph_analyze_function): Do not call cgraph_create_edges and
8290 initialize_inline_failed.
8291 (cgraph_expand_function): Do not call cgraph_lower_function;
8292 assert that function is already lowered.
8293 * Makefile.in (cgraphbuild.o): New.
8294 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
8295 at the end of lowering passes.
8297 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
8299 * ifcvt.c (cond_move_convert_if_block): New function, code
8300 factored out from...
8301 (cond_move_process_if_block): ...here. Call the new function
8302 on the THEN and ELSE blocks.
8303 (merge_if_block): Do not copy global_live_at_end, merge_blocks
8304 already takes care of this.
8306 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8309 * tree.h (TREE_OVERFLOW_P): New.
8310 * c-typeck.c (parser_build_unary_op): Warn only if result
8311 overflowed and operands did not.
8312 (parser_build_binary_op): Likewise.
8313 (convert_for_assignment): Remove redundant overflow_warning.
8314 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
8316 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8318 * c-typeck.c (store_init_value): Split over two lines to follow
8319 the GNU coding style.
8321 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
8323 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
8324 __GXX_EXPERIMENTAL_CXX0X__.
8325 * doc/cpp.texi: Same.
8327 2007-01-05 Richard Guenther <rguenther@suse.de>
8330 * tree.c (get_narrower): Do not construct COMPONENT_REFs
8331 with mismatched types. Instead explicitly build a
8332 conversion NOP_EXPR.
8334 2007-01-05 Ian Lance Taylor <iant@google.com>
8336 * c-common.c (decl_with_nonnull_addr_p): New function.
8337 (c_common_truthvalue_conversion): Call it.
8338 * c-typeck.c (build_binary_op): Likewise.
8339 * c-common.h (decl_with_nonnull_addr_p): Declare.
8341 2007-01-05 Jakub Jelinek <jakub@redhat.com>
8344 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
8347 2007-01-05 Joel Brobecker <brobecker@adacore.com>
8349 * doc/install.texi (Final install): Document the fact that
8350 the GNAT runtime should not be stripped.
8352 2007-01-04 Jan Hubicka <jh@suse.cz>
8354 * tree-inline.c (fold_marked_statements): Update operand caches
8355 and EH after folding
8357 2007-01-04 Ian Lance Taylor <iant@google.com>
8359 * c-common.c (check_function_nonnull): Whitespace fix.
8361 2007-01-04 Jan Hubicka <jh@suse.cz>
8363 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
8364 comitted older version of patch.
8365 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
8366 function, celanup cfg and collect garbage.
8368 2007-01-04 Mike Stump <mrs@apple.com>
8370 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
8373 2007-01-04 Eric Christopher <echristo@apple.com>
8375 * libgcc2.c (__bswapsi2): Use SItype.
8376 (__bswapdi2): Use DItype.
8377 * libgcc2.h: Update for above.
8379 2007-01-04 Paul Brook <paul@codesourcery.com>
8381 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
8382 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
8383 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
8384 umulsidi3, umulsidi3adddi, smulsi3_highpart,
8385 umulsi3_highpart): Make conditional on !arm_arch6.
8386 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
8387 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
8388 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
8389 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
8390 umulsi3_highpart_v6): New insns.
8392 2007-01-04 Roger Sayle <roger@eyesopen.com>
8394 * fold-const.c (fold_convert): When casting an expression to void,
8395 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
8396 have a type. Instead of attempting to build a NOP_EXPR, return
8397 these "special" trees directly.
8399 2007-01-04 Joseph Myers <joseph@codesourcery.com>
8401 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
8402 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
8403 rs6000_cost->fp not 0 as adjustment for outer NEG.
8405 2007-01-04 Jan Hubicka <jh@suse.cz>
8407 * cgraph.c (cgraph_release_function_body): New function.
8408 (cgraph_remove_node): Use it.
8409 * cgraph.h (cgraph_release_function_body): Declare.
8410 * cgraphunit.c (cgraph_expand_function): Use it.
8411 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
8412 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
8413 is initialized and while compilation of other function is running.
8414 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
8415 statement CFG annotations from here to ...
8416 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
8418 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
8420 * cfgloop.h (enum li_flags): Make the constants powers of two.
8422 2007-01-04 Jan Hubicka <jh@suse.cz>
8424 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
8426 (fold_marked_statements): New function.
8427 (optimize_inline_calls, tree_function_versioning): Fold new statements.
8428 * tree-inline.h (copy_body_data): Add statements_to_fold.
8430 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
8432 * config.gcc: Mention libgcc/config.host.
8433 * Makefile.in: Update comments mentioning libgcc.
8434 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
8435 (all.cross, start.encap, rest.encap, rest.cross): Update
8436 dependencies for libgcc move.
8437 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
8438 (clean-target, clean-target-libgcc): Delete.
8439 (srcdirify, GCC_EXTRA_PARTS): New macros.
8440 (libgcc-support, libgcc.mvars): New rules.
8441 (distclean): Remove mention of mklibgcc.
8442 (install): Don't reference INSTALL_LIBGCC.
8443 (install-common): Don't reference EXTRA_PARTS.
8444 (install-libgcc, install-multilib): Delete rules.
8445 * mklibgcc.in: Delete file.
8446 * doc/configfiles.texi: Don't mention mklibgcc.
8448 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
8449 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
8450 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
8451 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
8452 (mklibgcc, ldblspecs): Likewise.
8454 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
8455 (posixpre.def): Use $(T).
8456 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
8457 (SHLIB_SRC, SHLIB_INSTALL): Delete.
8458 (SHLIB_LINK): Make dummy.
8459 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
8461 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
8463 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
8464 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
8465 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
8466 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
8468 * configure.ac (all_outputs): Remove mklibgcc.
8469 * configure: Regenerated.
8471 2007-01-03 Josh Conner <jconner@apple.com>
8474 * calls.c (compute_argument_addresses): Set stack and stack_slot
8475 for partial args, too.
8476 (store_one_arg): Use locate.size.constant for the size when
8477 generating a save_area.
8479 2007-01-03 Robert Kennedy <jimbob@google.com>
8481 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
8482 whose definitions are deleted due to basic block merging.
8484 2007-01-03 Paul Brook <paul@codesourcery.com>
8487 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
8489 (use_return_insn): Return 0 for Thumb interrupt functions.
8490 (print_multi_reg): Add rfe argument for IRQ returns.
8491 (arm_output_epilogue): Pop interrupt return address directly into PC.
8492 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
8494 2007-01-03 Paul Brook <paul@codesourcery.com>
8496 Merge from sourcerygxx-4_1.
8497 * config/arm/thumb2.md: New file.
8498 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
8500 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
8501 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
8502 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
8503 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
8505 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
8506 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
8508 * config/arm/ieee754-sf.S: Ditto.
8509 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
8510 (thumb1_base_register_rtx_p): ... to this.
8511 (thumb_index_register_rtx_p): Rename...
8512 (thumb1_index_register_rtx_p): ... to this.
8513 (thumb_output_function_prologue): Rename...
8514 (thumb1_output_function_prologue): ... to this.
8515 (thumb_legitimate_address_p): Rename...
8516 (thumb1_legitimate_address_p): ... to this.
8517 (thumb_rtx_costs): Rename...
8518 (thumb1_rtx_costs): ... to this.
8519 (thumb_compute_save_reg_mask): Rename...
8520 (thumb1_compute_save_reg_mask): ... to this.
8521 (thumb_final_prescan_insn): Rename...
8522 (thumb1_final_prescan_insn): ... to this.
8523 (thumb_expand_epilogue): Rename...
8524 (thumb1_expand_epilogue): ... to this.
8525 (arm_unwind_emit_stm): Rename...
8526 (arm_unwind_emit_sequence): ... to this.
8527 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
8528 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
8529 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
8530 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
8531 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
8532 thumb2_output_casesi): New functions.
8533 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
8534 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
8535 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
8536 THUMB2_WORK_REGS): Define.
8537 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
8538 arm_condexec_mask, arm_condexec_masklen)): New variables.
8539 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
8540 (arm_override_options): Check new CPU capabilities.
8541 Set new architecture flag variables.
8542 (arm_isr_value): Handle v7m interrupt functions.
8543 (user_return_insn): Return 0 for v7m interrupt functions. Handle
8545 (const_ok_for_arm): Handle Thumb-2 constants.
8546 (arm_gen_constant): Ditto. Use movw when available.
8547 (arm_function_ok_for_sibcall): Return false for v7m interrupt
8549 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
8550 (thumb_find_work_register, arm_load_pic_register,
8551 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
8552 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
8553 print_multi_reg, output_mov_long_double_fpa_from_arm,
8554 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
8555 output_mov_double_fpa_from_arm, output_move_double,
8556 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
8557 output_return_instruction, arm_output_function_prologue,
8558 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
8559 arm_output_mi_thunk, thumb_set_return_address): Ditto.
8560 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
8561 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
8562 (arithmetic_instr, shift_op): Use arm_shift_nmem.
8563 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
8565 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
8566 (thumb_expand_prologue): Use thumb_set_frame_pointer.
8567 (arm_file_start): Output directive for unified syntax.
8568 (arm_unwind_emit_set): Handle stack alignment instruction.
8569 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
8570 Add v6t2, v7, v7a, v7r and v7m.
8571 (RETLDM): Add Thumb-2 code.
8572 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
8573 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
8574 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
8575 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
8576 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
8577 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
8578 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
8579 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
8580 ADJUST_INSN_LENGTH): Define.
8581 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
8582 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
8583 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
8584 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
8585 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
8586 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
8587 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
8588 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
8589 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
8590 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
8591 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
8592 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
8593 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
8594 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
8595 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
8596 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
8597 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
8599 * config/arm/arm-tune.md: Regenerate.
8600 * config/arm/arm-protos.h: Update prototypes.
8601 * config/arm/vfp.md: Enable patterns for Thumb-2.
8602 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
8603 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
8604 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
8605 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
8606 * config/arm/libunwind.S: Add Thumb-2 code.
8607 * config/arm/constraints.md: Update include Thumb-2.
8608 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
8609 * config/arm/ieee754-df.S: Ditto.
8610 * config/arm/bpabi.S: Ditto.
8611 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
8612 * config/arm/predicates.md (low_register_operand,
8613 low_reg_or_int_operand, thumb_16bit_operator): New.
8614 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
8615 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
8616 * config/arm/t-arm-elf: Add armv7 multilib.
8617 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
8619 (UNSPEC_STACK_ALIGN, ce_count): New.
8620 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
8621 arm_zero_extendsidi2, arm_zero_extendqidi2): New
8623 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
8624 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
8625 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
8626 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
8627 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
8628 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
8630 * doc/extend.texi: Document ARMv7-M interrupt functions.
8631 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
8633 2007-01-03 Jakub Jelinek <jakub@redhat.com>
8635 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
8636 (struct _Unwind_Context): Rename args_size to flags, remove
8637 signal_frame field, add a new args_size field and version field.
8638 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
8639 _Unwind_IsExtendedContext): New inline functions.
8640 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8641 Assume by_value array is only present if _Unwind_IsExtendedContext.
8642 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
8643 _Unwind_IsSignalFrame.
8644 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
8645 (uw_update_context_1): Use _Unwind_SetSignalFrame.
8646 (uw_init_context_1): Initialize context->flags to
8647 EXTENDED_CONTEXT_BIT.
8648 * config/rs6000/linux-unwind.h (frob_update_context): Use
8649 _Unwind_SetSignalFrame.
8651 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
8654 * gimplify.c (gimplify_modify_expr_complex_part): Move below
8655 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
8658 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
8660 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
8661 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
8662 RET, AT_SP): Remove.
8663 * config/i386/i386.md (*sse_prologue_save_insn): Use return
8666 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8667 * cfgbuild.c (find_basic_blocks): Likewise.
8668 * cfgrtl.c (rtl_create_basic_block): Likewise.
8669 * function.c (temp_slots_at_level): Likewise.
8670 * reg-stack.c (stack_regs_mentioned): Likewise.
8671 * regclass.c (allocate_reg_info): Likewise.
8672 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8673 set_bb_for_stmt, move_block_to_fn): Likewise.
8674 * tree-complex.c (tree_lower_complex): Likewise.
8675 * vec.h (VEC_safe_grow_cleared): New.
8677 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
8679 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
8681 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
8682 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
8684 * cfgloopmanip.c (scale_loop_frequencies): Export.
8685 (loopify): Scale the frequencies by prescribed coefficients.
8686 (set_zero_probability): New function.
8687 (duplicate_loop_to_header_edge): Improve updating of frequencies.
8688 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
8689 and frequencies according to arguments.
8690 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
8692 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
8693 * modulo-sched.c (sms_schedule): Set probabilities for entering
8694 versioned loop correctly.
8695 * tree-vect-transform.c (vect_transform_loop): Ditto.
8696 * cfgloop.h (loopify, loop_version): Declaration changed.
8697 (scale_loop_frequencies): Declared.
8699 2007-01-02 Jan Hubicka <jh@suse.cz>
8701 * cgraph.c: Include tree-flow.h
8702 (cgraph_add_new-function): Handle IPA_SSA mode; execute
8704 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
8705 * tree-pass.h (pass_all_early_optimizations): Declare.
8706 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
8708 (cgraph_analyze_function): Do early_local_passes.
8709 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
8710 Do not add referenced vars.
8711 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
8713 (gate_all_early_local_passes): New gate.
8714 (pass_early_local_passes): Use new gate.
8715 (execute_early_local_optimizations): New functions.
8716 (gate_all_early_optimizations): New gate.
8717 (pass_all_early_optimizations): New pass.
8718 (execute_free_datastructures): Free SSA only when initialized.
8719 (gate_init_datastructures): Init only when optimizing.
8720 (tree_lowering_passes): Do early local passes when called late.
8721 * tree-profile.c (do_tree_profiling): Don't profile functions added
8723 (do_early_tree_profiling, pass_early_tree_profile): Kill.
8724 * tree-cfg.c (update_modified_stmts): Do not update when operands are
8726 * passes.c (init_optimizations_passes): Reorder so we go into SSA
8727 during early_local_passes.
8728 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
8731 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
8733 * Makefile.in: Update copyright year.
8735 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
8737 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
8738 in $(lang_checks) and check-consistency targets.
8740 2007-01-02 Jan Hubicka <jh@suse.cz>
8742 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
8743 Do not add referenced vars.
8744 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
8746 * passes.c (init_optimization_passes): Put mudflap_2 after
8747 free_datastructures.
8749 2007-01-02 Jan Hubicka <jh@suse.cz>
8751 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
8752 Set NOTHROW flag on call statements proved to be nothrow.
8753 Update statement of local calls so new pure/const functions are
8754 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
8756 (tree_rest_of_compilation): Register hooks and initialize bitmap
8757 early. Do not set after_inlining flag.
8759 2007-01-02 Steve Ellcey <sje@cup.hp.com>
8761 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
8762 HOST_BITS_PER_LONGLONG
8764 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8767 * c-typeck.c (store_init_value): Don't emit pedantic overflow
8768 warning for non-static initializers.
8770 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
8772 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
8773 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
8774 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
8775 Always use set_unique_reg_note to add REG_EQUAL notes.
8777 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
8780 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
8782 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8783 * cfgbuild.c (find_basic_blocks): Likewise.
8784 * cfgrtl.c (rtl_create_basic_block): Likewise.
8785 * function.c (temp_slots_at_level): Likewise.
8786 * reg-stack.c (stack_regs_mentioned): Likewise.
8787 * regclass.c (allocate_reg_info): Likewise.
8788 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8789 set_bb_for_stmt, move_block_to_fn): Likewise.
8790 * tree-complex.c (tree_lower_complex): Likewise.
8791 * vec.h (VEC_safe_grow_cleared): New.
8793 2007-01-02 Ian Lance Taylor <iant@google.com>
8795 * c-common.c (c_common_truthvalue_conversion): When warning about
8796 using an assignment as a truth value, set TREE_NO_WARNING.
8798 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8801 * c.opt (Wold-style-declaration): New.
8802 * doc/invoke.texi (C-only Warning Options): New.
8803 (Wold-style-declaration): Document it.
8804 (Wextra): Enabled by -Wextra.
8805 * c-opts.c (c_common_post_options): Enabled by -Wextra.
8806 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
8807 -Wold-style-declaration.
8809 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
8811 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8812 * cfgbuild.c (find_basic_blocks): Likewise.
8813 * cfgrtl.c (rtl_create_basic_block): Likewise.
8814 * function.c (temp_slots_at_level): Likewise.
8815 * reg-stack.c (stack_regs_mentioned): Likewise.
8816 * regclass.c (allocate_reg_info): Likewise.
8817 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8818 set_bb_for_stmt, move_block_to_fn): Likewise.
8819 * tree-complex.c (tree_lower_complex): Likewise.
8820 * vec.h (VEC_safe_grow_cleared): New.
8822 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
8824 * c-common.c (c_common_nodes_and_builtins): Since variants of
8825 void_type_node get built before it is given a name, we need to
8826 give those variants the name, too.
8827 (complete_array_type): We need to work with the canonical main
8828 type of the array, from which we will build the qualified version.
8829 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
8830 * print-tree.c (print_node): Display canonical type information
8832 * stor-layout.c (layout_type): When we don't know the
8833 alignment of a type for which we're building an array, we end up
8834 guessing wrong, so make the type require structural equality.
8835 * tree.c (make_node_stat): When we build a new type, it is its
8837 (build_type_attribute_qual_variant): When building an attribute
8838 variant, its canonical type is the non-attribute variant. However,
8839 if the attributes are target-dependent and they differ, we need to
8840 use structural equality checks for this type.
8841 (build_qualified_type): A qualified type is not equivalent to its
8842 unqualified variant; set the canonical type appropriately.
8843 (build_distinct_type_copy): When building a distinct type from
8844 another type, the new type is its own canonical type.
8845 (build_variant_type_copy): When building a new type variant, we
8846 assume that it is equivalent to the original type.
8847 (build_pointer_type_for_mode): When building a pointer type, also
8848 build a canonical type pointer.
8849 (build_reference_type_for_mode): When building a reference type,
8850 also build a canonical type reference.
8851 (build_index_type): When we can't hash an index type (e.g.,
8852 because its maximum value is negative), the index type requires
8853 structural equality tests.
8854 (build_array_type): Build the canonical form of an array type.
8855 (build_function_type): Function types require structural equality,
8856 because they contain default arguments, attributes, etc.
8857 (build_method_type_directly): Ditto for method types.
8858 (build_offset_type): Build the canonical offset type.
8859 (build_complex_type): Build the canonical vector type.
8860 (make_vector_type): Build the canonical vector type.
8861 * tree.h (TYPE_CANONICAL): New.
8862 (TYPE_STRUCTURAL_EQUALITY_P): New.
8863 (SET_TYPE_STRUCTURAL_EQUALITY): New.
8864 (struct tree_type): Added "canonical" field.
8865 * params.h (VERIFY_CANONICAL_TYPES): New.
8866 * doc/c-tree.texi (TYPE_CANONICAL): Document.
8867 (TYPE_STRUCTURAL_EQUALITY_P): Document.
8868 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
8869 * doc/invoke.texi (verify-canonical-types): Document --param
8870 parameter for verifying canonical types.
8872 2007-01-02 Joseph Myers <joseph@codesourcery.com>
8874 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
8875 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
8876 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
8877 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
8879 * config/rs6000/e500.h: New.
8880 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
8881 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
8883 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
8884 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
8885 TARGET_E500_DOUBLE): Remove.
8886 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
8887 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
8888 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
8889 * config/rs6000/rs6000.c (rs6000_override_options): Use
8892 2007-01-02 Joseph Myers <joseph@codesourcery.com>
8894 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
8895 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
8896 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
8897 rs6000_emit_cmove): Don't check TARGET_E500.
8898 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
8899 sordered): Don't check TARGET_E500.
8901 2007-01-01 Eric Christopher <echristo@apple.com>
8903 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
8904 HARD_REGISTER_NUM_P.
8906 2007-01-01 Roger Sayle <roger@eyesopen.com>
8908 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
8909 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
8910 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
8913 2007-01-01 Mike Stump <mrs@apple.com>
8915 * configure.ac: Remove support for building with Apple's gcc-3.1.
8917 2007-01-02 Joseph Myers <joseph@codesourcery.com>
8920 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
8921 REG is a hard register. Do not modify REG before calling
8923 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
8924 multiple of the size of YMODE for certain lowpart cases.
8926 2007-01-01 Andrew Pinski <pinskia@gmail.com>
8929 * gimplify (voidify_wrapper_expr): Update for
8932 2007-01-01 Andreas Schwab <schwab@suse.de>
8935 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
8936 save of BR0 in extra_spill_size instead of spill_size.
8937 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
8939 (ia64_expand_epilogue): Restore BR0 from its new location.
8941 2007-01-01 Andrew Pinski <pinskia@gmail.com>
8943 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
8944 Use a temporary variable if the left hand side is not a gimple
8947 2007-01-01 Andrew Pinski <pinskia@gmail.com>
8949 * gimplify.c (gimplify_return_expr): Make the temporary variable
8950 for the return expression, a gimple register variable.
8952 2007-01-01 Jan Hubicka <jh@suse.cz>
8954 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
8957 2007-01-01 Mike Stump <mrs@apple.com>
8959 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
8961 * config/darwin.c (machopic_select_rtx_section): Use
8963 (darwin_mergeable_constant_section): Likewise.
8964 * configure: Regenerate.
8965 * config.in: Regenerate.
8967 2007-01-01 Jan Hubicka <jh@suse.cz>
8968 Andrew Pinski <pinskia@gmail.com>
8970 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
8971 before starting IPA passes.